1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2013 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.3.50)
27 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
28 dnl and then quoted again for a C string. Separate options with spaces.
29 dnl Add some environment variables, if they were passed via the environment
30 dnl rather than on the command-line.
33 dnl This is the documented way to record the args passed to configure,
34 dnl rather than $ac_configure_args.
35 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
37 -n | --no-create | --no-recursion)
39 CFLAGS | CPPFLAGS | LDFLAGS)
40 eval 'test "${'$opt'+set}" = set' || continue
42 *" $opt="*) continue ;;
44 eval opt=$opt=\$$opt ;;
47 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
49 *[["$emacs_shell_specials"]]*)
52 emacs_quote_apostrophes="s/'/'\\\\''/g"
53 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
58 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
59 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
62 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
66 AC_CONFIG_HEADER(src/config.h:src/config.in)
67 AC_CONFIG_SRCDIR(src/lisp.h)
68 AC_CONFIG_AUX_DIR(build-aux)
69 dnl Fairly arbitrary, older versions might work too.
70 AM_INIT_AUTOMAKE(1.11)
72 dnl Support for --program-prefix, --program-suffix and
73 dnl --program-transform-name options
76 dnl It is important that variables on the RHS not be expanded here,
77 dnl hence the single quotes. This is per the GNU coding standards, see
78 dnl (autoconf) Installation Directory Variables
79 dnl See also epaths.h below.
80 lispdir='${datadir}/emacs/${version}/lisp'
81 leimdir='${datadir}/emacs/${version}/leim'
82 standardlisppath='${lispdir}:${leimdir}'
83 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
84 '${datadir}/emacs/site-lisp'
85 lisppath='${locallisppath}:${standardlisppath}'
86 etcdir='${datadir}/emacs/${version}/etc'
87 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
88 etcdocdir='${datadir}/emacs/${version}/etc'
89 gamedir='${localstatedir}/games/emacs'
91 dnl Special option to disable the most of other options.
93 [AS_HELP_STRING([--without-all],
94 [omit almost all features and build
95 small executable with minimal dependencies])],
96 with_features=$withval,
99 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
100 dnl Create a new --with option that defaults to being disabled.
101 dnl NAME is the base name of the option. The shell variable with_NAME
102 dnl will be set to either the user's value (if the option is
103 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
104 dnl option is not specified). Note that the shell variable name is
105 dnl constructed as autoconf does, by replacing non-alphanumeric
106 dnl characters with "_".
107 dnl HELP-STRING is the help text for the option.
108 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
109 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
110 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
113 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
114 dnl Create a new --with option that defaults to $with_features.
115 dnl NAME is the base name of the option. The shell variable with_NAME
116 dnl will be set either to 'no' (for a plain --without-NAME) or to
117 dnl 'yes' (if the option is not specified). Note that the shell
118 dnl variable name is constructed as autoconf does, by replacing
119 dnl non-alphanumeric characters with "_".
120 dnl HELP-STRING is the help text for the option.
121 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
122 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
123 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
126 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
127 if test "$with_pop" = yes; then
128 AC_DEFINE(MAIL_USE_POP)
130 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
132 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
133 if test "$with_kerberos" != no; then
136 AH_TEMPLATE(KERBEROS,
137 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
139 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
140 if test "${with_kerberos5}" != no; then
141 if test "${with_kerberos}" = no; then
145 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
148 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
149 dnl FIXME hesiod support may not be present, so it seems like an error
150 dnl to define, or at least use, this unconditionally.
151 if test "$with_hesiod" != no; then
152 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
155 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
156 if test "$with_mmdf" != no; then
157 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
160 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
161 if test "$with_mail_unlink" != no; then
162 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
165 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
166 [string giving default POP mail host])],
167 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
169 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
170 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
171 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
172 [ case "${withval}" in
173 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
174 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
175 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
180 [with_sound=$with_features])
182 dnl FIXME currently it is not the last.
183 dnl This should be the last --with option, because --with-x is
184 dnl added later on when we find the file name of X, and it's best to
185 dnl keep them together visually.
186 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
187 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
188 [ case "${withval}" in
189 y | ye | yes ) val=gtk ;;
191 l | lu | luc | luci | lucid ) val=lucid ;;
192 a | at | ath | athe | athen | athena ) val=athena ;;
193 m | mo | mot | moti | motif ) val=motif ;;
194 g | gt | gtk ) val=gtk ;;
198 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
199 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
200 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
201 `athena' and `lucid' are synonyms.])
207 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
208 if test "$with_wide_int" = yes; then
209 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
212 dnl _ON results in a '--without' option in the --help output, so
213 dnl the help text should refer to "don't compile", etc.
214 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
215 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
216 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
217 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
218 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
219 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
220 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
221 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
223 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
224 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
225 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
227 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
228 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
229 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
230 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
231 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
233 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
234 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
235 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
236 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
237 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
238 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
239 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
241 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
242 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
243 [ case "${withval}" in
244 y | ye | yes ) val=yes ;;
246 g | gf | gfi | gfil | gfile ) val=gfile ;;
247 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
248 w | w3 | w32 ) val=w32 ;;
249 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
250 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
251 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
252 otherwise for the first of `gfile' or `inotify' that is usable.])
255 with_file_notification=$val
257 [with_file_notification=$with_features])
259 ## For the times when you want to build Emacs but don't have
260 ## a suitable makeinfo, and can live without the manuals.
261 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
262 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
264 ## Makefile.in needs the cache file name.
267 ## This is an option because I do not know if all info/man support
268 ## compressed files, nor how to test if they do so.
269 OPTION_DEFAULT_ON([compress-install],
270 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
271 make GZIP_PROG= install])
273 AC_ARG_WITH([pkg-config-prog],dnl
274 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
275 [file name of pkg-config for finding GTK and librsvg])])
276 if test "X${with_pkg_config_prog}" != X; then
277 if test "${with_pkg_config_prog}" != yes; then
278 PKG_CONFIG="${with_pkg_config_prog}"
282 AC_ARG_WITH(gameuser,dnl
283 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
284 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
285 && gameuser="${with_gameuser}"
286 test "X$gameuser" = X && gameuser=games
288 AC_ARG_WITH([gnustep-conf],dnl
289 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
290 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
291 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
292 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
293 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
294 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
296 AC_ARG_ENABLE(ns-self-contained,
297 [AS_HELP_STRING([--disable-ns-self-contained],
298 [disable self contained build under NeXTstep])],
299 EN_NS_SELF_CONTAINED=$enableval,
300 EN_NS_SELF_CONTAINED=yes)
302 AC_ARG_ENABLE(locallisppath,
303 [AS_HELP_STRING([--enable-locallisppath=PATH],
304 [directories Emacs should search for lisp files specific
306 if test "${enableval}" = "no"; then
308 elif test "${enableval}" != "yes"; then
309 locallisppath=${enableval}
312 AC_ARG_ENABLE(checking,
313 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
314 [enable expensive run-time checks. With LIST,
315 enable only specific categories of checks.
316 Categories are: all,yes,no.
317 Flags are: stringbytes, stringoverrun, stringfreelist,
318 xmallocoverrun, conslist, glyphs])],
319 [ac_checking_flags="${enableval}"],[])
320 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
321 for check in $ac_checking_flags
324 # these set all the flags to specific states
325 yes) ac_enable_checking=1 ;;
326 no) ac_enable_checking= ;
327 ac_gc_check_stringbytes= ;
328 ac_gc_check_string_overrun= ;
329 ac_gc_check_string_free_list= ;
330 ac_xmalloc_overrun= ;
331 ac_gc_check_cons_list= ;
333 all) ac_enable_checking=1 ;
334 ac_gc_check_stringbytes=1 ;
335 ac_gc_check_string_overrun=1 ;
336 ac_gc_check_string_free_list=1 ;
337 ac_xmalloc_overrun=1 ;
338 ac_gc_check_cons_list=1 ;
340 # these enable particular checks
341 stringbytes) ac_gc_check_stringbytes=1 ;;
342 stringoverrun) ac_gc_check_string_overrun=1 ;;
343 stringfreelist) ac_gc_check_string_free_list=1 ;;
344 xmallocoverrun) ac_xmalloc_overrun=1 ;;
345 conslist) ac_gc_check_cons_list=1 ;;
346 glyphs) ac_glyphs_debug=1 ;;
347 *) AC_MSG_ERROR(unknown check category $check) ;;
352 if test x$ac_enable_checking != x ; then
353 AC_DEFINE(ENABLE_CHECKING, 1,
354 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
356 if test x$ac_gc_check_stringbytes != x ; then
357 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
358 [Define this temporarily to hunt a bug. If defined, the size of
359 strings is redundantly recorded in sdata structures so that it can
360 be compared to the sizes recorded in Lisp strings.])
362 if test x$ac_gc_check_string_overrun != x ; then
363 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
364 [Define this to check for short string overrun.])
366 if test x$ac_gc_check_string_free_list != x ; then
367 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
368 [Define this to check the string free list.])
370 if test x$ac_xmalloc_overrun != x ; then
371 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
372 [Define this to check for malloc buffer overrun.])
374 if test x$ac_gc_check_cons_list != x ; then
375 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
376 [Define this to check for errors in cons list.])
378 if test x$ac_glyphs_debug != x ; then
379 AC_DEFINE(GLYPH_DEBUG, 1,
380 [Define this to enable glyphs debugging code.])
383 AC_ARG_ENABLE(check-lisp-object-type,
384 [AS_HELP_STRING([--enable-check-lisp-object-type],
385 [enable compile time checks for the Lisp_Object data type.
386 This is useful for development for catching certain types of bugs.])],
387 if test "${enableval}" != "no"; then
388 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
389 [Define this to enable compile time checks for the Lisp_Object data type.])
393 dnl The name of this option is unfortunate. It predates, and has no
394 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
395 dnl Actually, it stops it working.
396 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
397 AC_ARG_ENABLE(profiling,
398 [AS_HELP_STRING([--enable-profiling],
399 [build emacs with low-level, gprof profiling support.
400 Mainly useful for debugging Emacs itself. May not work on
401 all platforms. Stops profiler.el working.])],
402 [ac_enable_profiling="${enableval}"],[])
403 if test x$ac_enable_profiling != x ; then
404 PROFILING_CFLAGS="-DPROFILING=1 -pg"
408 AC_SUBST(PROFILING_CFLAGS)
410 AC_ARG_ENABLE(autodepend,
411 [AS_HELP_STRING([--enable-autodepend],
412 [automatically generate dependencies to .h-files.
413 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
415 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
417 AC_ARG_ENABLE(gtk-deprecation-warnings,
418 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
419 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
420 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
422 #### Make srcdir absolute, if it isn't already. It's important to
423 #### avoid running the file name through pwd unnecessarily, since pwd can
424 #### give you automounter prefixes, which can go away. We do all this
425 #### so Emacs can find its files when run uninstalled.
426 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
429 [[\\/]]* | ?:[[\\/]]*) ;;
431 ## We may be able to use the $PWD environment variable to make this
432 ## absolute. But sometimes PWD is inaccurate.
433 ## Note: we used to use $PWD at the end instead of `pwd`,
434 ## but that tested only for a well-formed and valid PWD,
435 ## it did not object when PWD was well-formed and valid but just wrong.
436 if test ".$PWD" != "." && test ".`(cd "$PWD" ; sh -c pwd)`" = ".`pwd`" ;
440 srcdir=`(cd "$srcdir"; pwd)`
443 * ) srcdir=`(cd "$srcdir"; pwd)` ;;
446 ### Canonicalize the configuration name.
450 configuration=${host_alias-${build_alias-$host}}
452 dnl This used to use changequote, but, apart from `changequote is evil'
453 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
454 dnl the great gob of text. Thus it's not processed for possible expansion.
455 dnl Just make sure the brackets remain balanced.
457 dnl Since Emacs can't find matching pairs of quotes, boundaries are
458 dnl indicated by comments.
462 ### If you add support for a new configuration, add code to this
463 ### switch statement to recognize your configuration name and select
464 ### the appropriate operating system file.
466 ### You would hope that you could choose an s/*.h
467 ### file based on the operating system portion. However, it turns out
468 ### that each s/*.h file is pretty manufacturer-specific.
469 ### So we basically have to have a special case for each
470 ### configuration name.
472 ### As far as handling version numbers on operating systems is
473 ### concerned, make sure things will fail in a fixable way. If
474 ### /etc/MACHINES doesn't say anything about version numbers, be
475 ### prepared to handle anything reasonably. If version numbers
476 ### matter, be sure /etc/MACHINES says something about it.
479 case "${canonical}" in
481 ## GNU/Linux and similar ports
496 ## FreeBSD kernel + glibc based userland
511 ## Apple Darwin / Mac OS X
513 case "${canonical}" in
520 ## Use fink packages if available.
521 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
522 ## if test -d /sw/include && test -d /sw/lib; then
523 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
524 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
533 ## HP 9000 series 700 and 800, running HP/UX
537 hppa*-hp-hpux1[1-9]* )
539 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
543 rs6000-ibm-aix4.[23]* )
546 powerpc-ibm-aix4.[23]* )
549 rs6000-ibm-aix[56]* )
552 powerpc-ibm-aix[56]* )
556 ## Silicon Graphics machines
560 # Without defining _LANGUAGE_C, things get masked out in the headers
561 # so that, for instance, grepping for `free' in stdlib.h fails and
562 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
563 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
568 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
569 | x86_64-*-solaris2* | x86_64-*-sunos5*)
570 case "${canonical}" in
572 amd64-*-*|x86_64-*-*) ;;
576 case "${canonical}" in
577 *-sunos5.6* | *-solaris2.6* )
581 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
583 emacs_check_sunpro_c=yes
585 *-sunos5* | *-solaris* )
587 emacs_check_sunpro_c=yes
590 ## Watch out for a compiler that we know will not work.
591 case "${canonical}" in
592 *-solaris* | *-sunos5* )
593 if [ "x$CC" = x/usr/ucb/cc ]; then
594 ## /usr/ucb/cc doesn't work;
595 ## we should find some other compiler that does work.
603 ## Intel 386 machines where we don't care about the manufacturer.
605 case "${canonical}" in
606 *-darwin* ) opsys=darwin ;;
609 # MinGW overrides and adds some system headers in nt/inc.
610 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
612 *-sysv4.2uw* ) opsys=unixware ;;
613 *-sysv5uw* ) opsys=unixware ;;
614 *-sysv5OpenUNIX* ) opsys=unixware ;;
615 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
624 ### If the code above didn't choose an operating system, just choose
625 ### an operating system based on the configuration name. You really
626 ### only want to use this when you have no idea what the right
627 ### operating system is; if you know what operating systems a machine
628 ### runs, it's cleaner to make it explicit in the case statement
630 if test x"${opsys}" = x; then
631 case "${canonical}" in
632 *-gnu* ) opsys=gnu ;;
642 if test $unported = yes; then
643 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
644 Check `etc/MACHINES' for recognized configuration names.])
648 #### Choose a compiler.
650 dnl Sets GCC=yes if using gcc.
654 if test x$GCC = xyes; then
655 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
657 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
660 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
661 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
662 dnl that clash with MinGW.
663 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
665 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
666 # as we don't use them.
667 AC_DEFUN([gl_FCNTL_O_FLAGS])
668 # Avoid gnulib's threadlib module, as we do threads our own way.
669 AC_DEFUN([gl_THREADLIB])
671 # Initialize gnulib right after choosing the compiler.
672 dnl Amongst other things, this sets AR and ARFLAGS.
675 if test "$ac_test_CFLAGS" != set; then
676 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
677 # if -g3 works and the user does not specify CFLAGS.
678 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
681 emacs_g3_CFLAGS='-g3';;
683 emacs_g3_CFLAGS='-g3 -O2';;
687 if test -n "$emacs_g3_CFLAGS"; then
688 emacs_save_CFLAGS=$CFLAGS
689 CFLAGS=$emacs_g3_CFLAGS
690 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
691 [emacs_cv_prog_cc_g3],
692 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
693 [emacs_cv_prog_cc_g3=yes],
694 [emacs_cv_prog_cc_g3=no])])
695 if test $emacs_cv_prog_cc_g3 != yes; then
696 CFLAGS=$emacs_save_CFLAGS
698 if test $opsys = mingw32; then
699 CFLAGS="$CFLAGS -gdwarf-2"
706 # No optimization flag was inferred for this non-GCC compiler.
707 # Try -O. This is needed for xlc on AIX; see Bug#14258.
708 emacs_save_CFLAGS=$CFLAGS
709 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
711 AC_CACHE_CHECK([whether $CC accepts -O],
712 [emacs_cv_prog_cc_o],
713 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
714 [emacs_cv_prog_cc_o=yes],
715 [emacs_cv_prog_cc_o=no])])
716 if test $emacs_cv_prog_cc_o != yes; then
717 CFLAGS=$emacs_save_CFLAGS
722 AC_ARG_ENABLE([gcc-warnings],
723 [AS_HELP_STRING([--enable-gcc-warnings],
724 [turn on lots of GCC warnings/errors. This is intended for
725 developers, and may generate false alarms when used
726 with older or non-GNU development tools.])],
729 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
731 gl_gcc_warnings=$enableval],
735 AC_ARG_ENABLE(link-time-optimization,
736 [AS_HELP_STRING([--enable-link-time-optimization],
737 [build emacs with link-time optimization.
738 This is supported only for GCC since 4.5.0.])],
739 if test "${enableval}" != "no"; then
740 AC_MSG_CHECKING([whether link-time optimization is supported])
742 if test x$GCC = xyes; then
743 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
744 if test x$CPUS != x; then
750 CFLAGS="$CFLAGS $LTO"
751 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
752 [ac_lto_supported=yes], [ac_lto_supported=no])
755 AC_MSG_RESULT([$ac_lto_supported])
756 if test "$ac_lto_supported" = "yes"; then
757 CFLAGS="$CFLAGS $LTO"
761 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
762 # ------------------------------------------------
763 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
764 # Otherwise, run RUN-IF-NOT-FOUND.
765 AC_DEFUN([gl_GCC_VERSION_IFELSE],
769 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
772 # error "your version of gcc is older than $1.$2"
779 # When compiling with GCC, prefer -isystem to -I when including system
780 # include files, to avoid generating useless diagnostics for the files.
781 if test "$gl_gcc_warnings" != yes; then
786 # This, $nw, is the list of warnings we disable.
789 case $with_x_toolkit in
790 lucid | athena | motif)
791 # Old toolkits mishandle 'const'.
792 nw="$nw -Wwrite-strings"
795 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
798 AC_SUBST([WERROR_CFLAGS])
800 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
801 nw="$nw -Woverlength-strings" # Not a problem these days
802 nw="$nw -Wlogical-op" # any use of fwrite provokes this
803 nw="$nw -Wformat-nonliteral" # we do this a lot
804 nw="$nw -Wvla" # warnings in gettext.h
805 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
806 nw="$nw -Wswitch-default" # Too many warnings for now
807 nw="$nw -Winline" # OK to ignore 'inline'
808 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
809 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
810 # signed overflow has undefined behavior
811 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
812 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
813 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
815 # Emacs doesn't care about shadowing; see
816 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
819 # Emacs's use of alloca inhibits protecting the stack.
820 nw="$nw -Wstack-protector"
822 # The following line should be removable at some point.
823 nw="$nw -Wsuggest-attribute=pure"
825 # This part is merely for shortening the command line,
826 # since -Wno-FOO needs to be added below regardless.
827 nw="$nw -Wmissing-field-initializers"
829 nw="$nw -Wtype-limits"
830 nw="$nw -Wunused-parameter"
832 # clang is unduly picky about some things.
833 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
840 [emacs_cv_clang=yes],
841 [emacs_cv_clang=no])])
842 if test $emacs_cv_clang = yes; then
843 nw="$nw -Wcast-align"
846 gl_MANYWARN_ALL_GCC([ws])
847 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
851 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
852 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
853 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
854 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
855 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
856 gl_WARN_ADD([-Wno-format-nonliteral])
858 # In spite of excluding -Wlogical-op above, it is enabled, as of
859 # gcc 4.5.0 20090517.
860 gl_WARN_ADD([-Wno-logical-op])
862 # More things that clang is unduly picky about.
863 if test $emacs_cv_clang = yes; then
864 gl_WARN_ADD([-Wno-format-extra-args])
865 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
866 gl_WARN_ADD([-Wno-unused-command-line-argument])
867 gl_WARN_ADD([-Wno-unused-value])
870 gl_WARN_ADD([-fdiagnostics-show-option])
871 gl_WARN_ADD([-funit-at-a-time])
873 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
874 AH_VERBATIM([FORTIFY_SOURCE],
875 [/* Enable compile-time and run-time bounds-checking, and some warnings,
876 without upsetting glibc 2.15+. */
877 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
878 # define _FORTIFY_SOURCE 2
881 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
883 # We use a slightly smaller set of warning options for lib/.
884 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
886 nw="$nw -Wunused-macros"
888 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
889 AC_SUBST([GNULIB_WARN_CFLAGS])
894 dnl Some other nice autoconf tests.
895 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
898 dnl if test "x$RANLIB" = x; then
903 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
904 dnl can be made to directories. This is not relevant for our usage, and
905 dnl excludes some cases that work fine for us. Eg MS Windows or files
906 dnl hosted on AFS, both examples where simple links work, but links to
907 dnl directories fail. We use a cut-down version instead.
910 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
911 rm -f conf$$ conf$$.file
913 LN_S_FILEONLY='cp -p'
915 if (echo >conf$$.file) 2>/dev/null; then
916 if ln -s conf$$.file conf$$ 2>/dev/null; then
917 LN_S_FILEONLY='ln -s'
918 elif ln conf$$.file conf$$ 2>/dev/null; then
923 rm -f conf$$ conf$$.file
925 if test "$LN_S_FILEONLY" = "ln -s"; then
928 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
931 AC_SUBST(LN_S_FILEONLY)
934 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
935 dnl doesn't support links to directories, as in "ln file dir". But that
936 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
937 dnl executables at "make install" time.
938 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
939 dnl for more details.
940 if test "$opsys" = "mingw32"; then
944 AC_PATH_PROG(INSTALL_INFO, install-info, :,
945 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
946 dnl Don't use GZIP, which is used by gzip for additional parameters.
947 AC_PATH_PROG(GZIP_PROG, gzip)
949 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
950 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
952 if test $opsys = gnu-linux; then
953 AC_PATH_PROG(PAXCTL, paxctl,,
954 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
955 if test "X$PAXCTL" != X; then
956 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
957 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
958 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
959 else AC_MSG_RESULT(no); PAXCTL=""; fi])
963 ## Need makeinfo >= 4.7 (?) to build the manuals.
964 AC_PATH_PROG(MAKEINFO, makeinfo, no)
965 dnl By this stage, configure has already checked for egrep and set EGREP,
966 dnl or exited with an error if no egrep was found.
967 if test "$MAKEINFO" != "no"; then
969 $MAKEINFO --version 2> /dev/null |
970 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
976 ## Makeinfo is unusual. For a released Emacs, the manuals are
977 ## pre-built, and not deleted by the normal clean rules. makeinfo is
978 ## therefore in the category of "special tools" not normally required, which
979 ## configure does not have to check for (eg autoconf itself).
980 ## In a Bazaar checkout on the other hand, the manuals are not included.
981 ## So makeinfo is a requirement to build from Bazaar, and configure
982 ## should test for it as it does for any other build requirement.
983 ## We use the presence of $srcdir/info/emacs to distinguish a release,
984 ## with pre-built manuals, from a Bazaar checkout.
987 if test "$MAKEINFO" = "no"; then
989 if test "x${with_makeinfo}" = "xno"; then
991 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
992 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
993 source tree does not seem to have pre-built manuals in the `info' directory.
994 Either install a suitable version of makeinfo, or re-run configure
995 with the `--without-makeinfo' option to build without the manuals.] )
998 AC_SUBST(HAVE_MAKEINFO)
1000 dnl Just so that there is only a single place we need to edit.
1002 INFO_OPTS=--no-split
1006 if test $opsys = mingw32; then
1007 DOCMISC_W32=efaq-w32
1011 AC_SUBST(DOCMISC_W32)
1013 dnl Add our options to ac_link now, after it is set up.
1015 if test x$GCC = xyes; then
1016 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1017 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1019 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1020 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1023 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1024 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1025 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1026 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1027 dnl if not built to support GNU ld.
1029 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1030 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1031 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1032 dnl Eg "make LDFLAGS=... all" could run into problems,
1033 dnl http://bugs.debian.org/684788
1034 dnl * unnecessary, since temacs is the only thing that actually needs it.
1035 dnl Indeed this is where it was originally, prior to:
1036 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1037 late_LDFLAGS="$LDFLAGS"
1038 if test x$GCC = xyes; then
1039 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1041 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1044 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1046 AC_MSG_CHECKING([for -znocombreloc])
1047 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1048 [AC_MSG_RESULT(yes)],
1049 LDFLAGS_NOCOMBRELOC=
1050 [AC_MSG_RESULT(no)])
1052 LDFLAGS="$late_LDFLAGS"
1054 dnl The function dump-emacs will not be defined and temacs will do
1055 dnl (load "loadup") automatically unless told otherwise.
1056 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1058 your-opsys-here) CANNOT_DUMP=yes ;;
1061 test "$CANNOT_DUMP" = "yes" && \
1062 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1064 AC_SUBST(CANNOT_DUMP)
1067 UNEXEC_OBJ=unexelf.o
1069 # MSDOS uses unexcoff.o
1071 UNEXEC_OBJ=unexaix.o
1077 UNEXEC_OBJ=unexmacosx.o
1080 UNEXEC_OBJ=unexhp9k800.o
1083 UNEXEC_OBJ=unexw32.o
1086 # Use the Solaris dldump() function, called from unexsol.c, to dump
1087 # emacs, instead of the generic ELF dump code found in unexelf.c.
1088 # The resulting binary has a complete symbol table, and is better
1089 # for debugging and other observability tools (debuggers, pstack, etc).
1091 # If you encounter a problem using dldump(), please consider sending
1092 # a message to the OpenSolaris tools-linking mailing list:
1093 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1095 # It is likely that dldump() works with older Solaris too, but this has
1096 # not been tested, so for now this change is for Solaris 10 or newer.
1097 UNEXEC_OBJ=unexsol.o
1104 ## Let `ld' find image libs and similar things in /usr/local/lib.
1105 ## The system compiler, GCC, has apparently been modified to not
1106 ## look there, contrary to what a stock GCC would do.
1107 ### It's not our place to do this. See bug#10313#17.
1108 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1113 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1114 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1118 ### It's not our place to do this. See bug#10313#17.
1119 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1124 ## Han Boetes <han@boetes.org> says this is necessary,
1125 ## otherwise Emacs dumps core on elf systems.
1126 LD_SWITCH_SYSTEM="-Z"
1129 AC_SUBST(LD_SWITCH_SYSTEM)
1131 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1133 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1134 ## which has not been defined yet. When this was handled with cpp,
1135 ## it was expanded to null when configure sourced the s/*.h file.
1136 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1137 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1138 ## (or somesuch), but because it is supposed to go at the _front_
1139 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1140 ## Compare with the gnu-linux case below, which added to the end
1141 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1142 ## LD_SWITCH_SYSTEM_TEMACS.
1145 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1152 AC_CHECK_DECL([__ELF__])
1153 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1154 ## With ELF, make sure that all common symbols get allocated to in the
1155 ## data section. Otherwise, the dump of temacs may miss variables in
1156 ## the shared library that have been initialized. For example, with
1157 ## GNU libc, __malloc_initialized would normally be resolved to the
1158 ## shared library's .bss section, which is fatal.
1159 if test "x$GCC" = "xyes"; then
1160 C_SWITCH_MACHINE="-fno-common"
1162 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
1165 UNEXEC_OBJ=unexalpha.o
1169 AC_SUBST(C_SWITCH_MACHINE)
1171 AC_SUBST(UNEXEC_OBJ)
1174 ## Some programs in src produce warnings saying certain subprograms
1175 ## are too complex and need a MAXMEM value greater than 2000 for
1176 ## additional optimization. --nils@exp-math.uni-essen.de
1177 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1178 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1179 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1180 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1181 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1182 AC_SUBST(C_SWITCH_SYSTEM)
1187 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1188 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1190 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1192 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1194 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1196 ## Motif needs -lgen.
1197 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1200 AC_SUBST(LIBS_SYSTEM)
1202 ### Make sure subsequent tests use flags consistent with the build flags.
1204 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1205 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1207 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1210 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1211 AC_DEFUN([AC_TYPE_SIZE_T])
1212 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1213 AC_DEFUN([AC_TYPE_UID_T])
1217 dnl Current possibilities handled by sed (aix4-2 -> aix,
1218 dnl gnu-linux -> gnu/linux, etc.):
1219 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1220 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1221 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1228 ## Adding -lm confuses the dynamic linker, so omit it.
1231 freebsd | dragonfly )
1232 SYSTEM_TYPE=berkeley-unix
1234 gnu-linux | gnu-kfreebsd )
1236 hpux10-20 | hpux11 )
1240 SYSTEM_TYPE=windows-nt
1242 dnl NB this may be adjusted below.
1244 SYSTEM_TYPE=berkeley-unix
1248 SYSTEM_TYPE=usg-unix-v
1254 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1255 [The type of system you are compiling for; sets `system-type'.])
1258 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1259 pre_PKG_CONFIG_LIBS=$LIBS
1261 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1263 dnl This function definition taken from Gnome 2.0
1264 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1265 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1266 dnl also defines GSTUFF_PKG_ERRORS on error
1267 AC_DEFUN([PKG_CHECK_MODULES], [
1270 if test "$PKG_CONFIG" = "no" ; then
1271 ifelse([$4], , [AC_MSG_ERROR([
1272 *** The pkg-config script could not be found. Make sure it is in your path, or give the full name of pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1274 PKG_CONFIG_MIN_VERSION=0.9.0
1275 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1276 AC_MSG_CHECKING(for $2)
1278 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1279 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1280 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1287 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1288 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1289 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1295 ## If we have a custom action on failure, don't print errors, but
1296 ## do set a variable so people can do so. Do it in a subshell
1297 ## to capture any diagnostics in invoking pkg-config.
1298 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1299 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1305 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1306 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1310 if test $succeeded = yes; then
1311 ifelse([$3], , :, [$3])
1313 ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1318 if test "${with_sound}" != "no"; then
1319 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1320 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1321 have_sound_header=yes, [], [
1323 #define WIN32_LEAN_AND_MEAN
1324 #include <windows.h>
1327 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1328 AC_MSG_ERROR([OSS sound support requested but not found.])
1330 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1331 # Emulation library used on NetBSD.
1332 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1333 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1334 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1335 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1336 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1340 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1342 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1343 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1344 if test $HAVE_ALSA = yes; then
1345 SAVE_CFLAGS="$CFLAGS"
1347 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1348 LIBS="$ALSA_LIBS $LIBS"
1349 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1350 emacs_alsa_normal=yes,
1351 emacs_alsa_normal=no)
1352 if test "$emacs_alsa_normal" != yes; then
1353 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1354 [[snd_lib_error_set_handler (0);]])],
1355 emacs_alsa_subdir=yes,
1356 emacs_alsa_subdir=no)
1357 if test "$emacs_alsa_subdir" != yes; then
1358 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1360 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1363 CFLAGS="$SAVE_CFLAGS"
1365 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1366 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1367 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1368 elif test "${with_sound}" = "alsa"; then
1369 AC_MSG_ERROR([ALSA sound support requested but not found.])
1371 fi dnl with_sound = alsa|yes
1373 dnl Define HAVE_SOUND if we have sound support. We know it works and
1374 dnl compiles only on the specified platforms. For others, it
1375 dnl probably doesn't make sense to try.
1376 dnl FIXME So surely we should bypass this whole section if not using
1377 dnl one of these platforms?
1378 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1380 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1381 dnl Adjust the --with-sound help text if you change this.
1382 gnu-linux|freebsd|netbsd|mingw32)
1383 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1389 AC_SUBST(CFLAGS_SOUND)
1392 dnl checks for header files
1393 AC_CHECK_HEADERS_ONCE(
1397 sys/utsname.h pwd.h utmp.h util.h)
1399 AC_MSG_CHECKING(if personality LINUX32 can be set)
1400 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1401 emacs_cv_personality_linux32=yes,
1402 emacs_cv_personality_linux32=no)
1403 AC_MSG_RESULT($emacs_cv_personality_linux32)
1405 if test $emacs_cv_personality_linux32 = yes; then
1406 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1407 [Define to 1 if personality LINUX32 can be set.])
1410 dnl On Solaris 8 there's a compilation warning for term.h because
1411 dnl it doesn't define `bool'.
1412 AC_CHECK_HEADERS(term.h, , , -)
1414 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1416 if test $ac_cv_have_decl_sys_siglist != yes; then
1417 # For Tru64, at least:
1418 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1423 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1424 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1425 #if HAVE_SYS_SOCKET_H
1426 #include <sys/socket.h>
1428 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1429 #if HAVE_SYS_SOCKET_H
1430 #include <sys/socket.h>
1432 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1433 #if HAVE_SYS_SOCKET_H
1434 #include <sys/socket.h>
1437 dnl checks for structure members
1438 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1439 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1440 struct ifreq.ifr_addr,
1441 struct ifreq.ifr_addr.sa_len], , ,
1442 [AC_INCLUDES_DEFAULT
1443 #if HAVE_SYS_SOCKET_H
1444 #include <sys/socket.h>
1450 dnl Check for endianness.
1451 dnl AC_C_BIGENDIAN is done by gnulib.
1453 dnl check for Make feature
1454 dnl AC_PROG_MAKE_SET is done by Automake.
1459 dnl check for GNU Make if we have GCC and autodepend is on.
1460 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1461 AC_MSG_CHECKING([whether we are using GNU Make])
1463 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1464 if test "x$testval" != x; then
1467 ac_enable_autodepend=no
1469 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1470 if test $HAVE_GNU_MAKE = yes; then
1471 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1472 SAVE_CFLAGS="$CFLAGS"
1473 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1474 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1475 CFLAGS="$SAVE_CFLAGS"
1476 test -f deps.d || ac_enable_autodepend=no
1478 AC_MSG_RESULT([$ac_enable_autodepend])
1480 if test $ac_enable_autodepend = yes; then
1481 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1482 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1483 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1484 deps_frag=autodeps.mk
1487 deps_frag=$srcdir/src/$deps_frag
1490 AC_SUBST_FILE(deps_frag)
1493 lisp_frag=$srcdir/src/lisp.mk
1494 AC_SUBST_FILE(lisp_frag)
1497 dnl checks for operating system services
1498 AC_SYS_LONG_FILE_NAMES
1500 #### Choose a window system.
1502 ## We leave window_system equal to none if
1503 ## we end up building without one. Any new window system should
1504 ## set window_system to an appropriate value and add objects to
1505 ## window-system-specific substs.
1509 if test "$no_x" != yes; then
1513 LD_SWITCH_X_SITE_RPATH=
1514 if test "${x_libraries}" != NONE; then
1515 if test -n "${x_libraries}"; then
1516 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1517 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1519 x_default_search_path=""
1520 x_search_path=${x_libraries}
1521 if test -z "${x_search_path}"; then
1522 x_search_path=/usr/lib
1524 for x_library in `echo ${x_search_path}: | \
1525 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1527 ${x_library}/X11/%L/%T/%N%C%S:\
1528 ${x_library}/X11/%l/%T/%N%C%S:\
1529 ${x_library}/X11/%T/%N%C%S:\
1530 ${x_library}/X11/%L/%T/%N%S:\
1531 ${x_library}/X11/%l/%T/%N%S:\
1532 ${x_library}/X11/%T/%N%S"
1533 if test x"${x_default_search_path}" = x; then
1534 x_default_search_path=${x_search_path}
1536 x_default_search_path="${x_search_path}:${x_default_search_path}"
1540 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1542 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1543 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1546 if test x"${x_includes}" = x; then
1547 bitmapdir=/usr/include/X11/bitmaps
1549 # accumulate include directories that have X11 bitmap subdirectories
1551 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1552 if test -d "${bmd}/X11/bitmaps"; then
1553 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1555 if test -d "${bmd}/bitmaps"; then
1556 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1559 if test ${bmd_acc} != "dummyval"; then
1560 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1567 tmp_CPPFLAGS="$CPPFLAGS"
1568 tmp_CFLAGS="$CFLAGS"
1569 CPPFLAGS="$CPPFLAGS -x objective-c"
1570 CFLAGS="$CFLAGS -x objective-c"
1573 if test "${with_ns}" != no; then
1574 if test "${opsys}" = darwin; then
1576 ns_appdir=`pwd`/nextstep/Emacs.app
1577 ns_appbindir=${ns_appdir}/Contents/MacOS
1578 ns_appresdir=${ns_appdir}/Contents/Resources
1579 ns_appsrc=Cocoa/Emacs.base
1580 elif test -f $GNUSTEP_CONFIG_FILE; then
1582 ns_appdir=`pwd`/nextstep/Emacs.app
1583 ns_appbindir=${ns_appdir}
1584 ns_appresdir=${ns_appdir}/Resources
1585 ns_appsrc=GNUstep/Emacs.base
1586 dnl FIXME sourcing this several times in subshells seems inefficient.
1587 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1588 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1589 dnl I seemed to need these as well with GNUstep-startup 0.25.
1590 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1591 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1592 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1593 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1594 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1595 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1596 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1597 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1598 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1599 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1600 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1601 dnl If they had chosen to either define it or not, we could have
1602 dnl just used AC_CHECK_DECL here.
1603 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1604 emacs_cv_objc_exceptions,
1605 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1606 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1610 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1611 if test $emacs_cv_objc_exceptions = yes; then
1612 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1613 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1614 [Define if GNUstep uses ObjC exceptions.])
1615 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1619 dnl This is only used while we test the NS headers, it gets reset below.
1620 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1622 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1623 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1624 files are missing or cannot be compiled.])])
1626 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1628 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1629 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1632 #error "OSX 10.4 or newer required"
1636 ns_osx_have_104=yes,
1638 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1640 ns_have_nsinteger=yes,
1641 ns_have_nsinteger=no)
1642 if test $ns_osx_have_104 = no; then
1643 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1645 if test $ns_have_nsinteger = yes; then
1646 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1650 AC_SUBST(LIBS_GNUSTEP)
1652 INSTALL_ARCH_INDEP_EXTRA=install-etc
1653 ns_self_contained=no
1656 if test "${HAVE_NS}" = yes; then
1657 if test "$with_toolkit_scroll_bars" = "no"; then
1658 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1661 window_system=nextstep
1662 # set up packaging dirs
1663 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1664 ns_self_contained=yes
1665 prefix=${ns_appresdir}
1666 exec_prefix=${ns_appbindir}
1667 dnl This one isn't really used, only archlibdir is.
1668 libexecdir="\${ns_appbindir}/libexec"
1669 archlibdir="\${ns_appbindir}/libexec"
1670 etcdocdir="\${ns_appresdir}/etc"
1671 etcdir="\${ns_appresdir}/etc"
1672 dnl FIXME maybe set datarootdir instead.
1673 dnl That would also get applications, icons, man.
1674 infodir="\${ns_appresdir}/info"
1675 mandir="\${ns_appresdir}/man"
1676 lispdir="\${ns_appresdir}/lisp"
1677 leimdir="\${ns_appresdir}/leim"
1678 INSTALL_ARCH_INDEP_EXTRA=
1680 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1682 CFLAGS="$tmp_CFLAGS"
1683 CPPFLAGS="$tmp_CPPFLAGS"
1684 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1685 AC_SUBST(ns_self_contained)
1687 AC_SUBST(NS_OBJC_OBJ)
1698 if test "${with_w32}" != no; then
1701 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1702 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1703 cannot be found.])])
1706 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1709 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1714 if test "${opsys}" = "mingw32"; then
1715 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1716 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1717 #include <windows.h>
1718 #include <usp10.h>]],
1719 [[PIMAGE_NT_HEADERS pHeader;
1720 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1721 [emacs_cv_w32api=yes
1724 AC_MSG_RESULT($emacs_cv_w32api)
1725 if test "${emacs_cv_w32api}" = "no"; then
1726 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1737 if test "${HAVE_W32}" = "yes"; then
1738 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1739 AC_CHECK_TOOL(WINDRES, [windres],
1740 [AC_MSG_ERROR([No resource compiler found.])])
1741 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1742 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1743 EMACSRES="emacs.res"
1744 case "$canonical" in
1745 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1746 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1748 UPDATE_MANIFEST=update-game-score.exe.manifest
1749 if test "${opsys}" = "cygwin"; then
1750 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1751 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1752 # Tell the linker that emacs.res is an object (which we compile from
1753 # the rc file), not a linker script.
1754 W32_RES_LINK="-Wl,emacs.res"
1756 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1757 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1758 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1759 W32_RES_LINK="\$(EMACSRES)"
1760 CLIENTRES="emacsclient.res"
1761 CLIENTW="emacsclientw\$(EXEEXT)"
1762 FIRSTFILE_OBJ=firstfile.o
1765 LIBS_ECLIENT="-lcomctl32"
1766 LIB_WSOCK32="-lwsock32"
1767 NTLIB="ntlib.$ac_objext"
1768 XARGS_LIMIT="-s 10000"
1774 AC_SUBST(EMACS_MANIFEST)
1775 AC_SUBST(UPDATE_MANIFEST)
1778 AC_SUBST(W32_RES_LINK)
1779 AC_SUBST(FIRSTFILE_OBJ)
1782 AC_SUBST(LIBS_ECLIENT)
1783 AC_SUBST(LIB_WSOCK32)
1785 AC_SUBST(XARGS_LIMIT)
1787 if test "${HAVE_W32}" = "yes"; then
1792 ## $window_system is now set to the window system we will
1795 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1796 # Too many warnings for now.
1798 nw="$nw -Wsuggest-attribute=const"
1799 nw="$nw -Wsuggest-attribute=noreturn"
1800 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1802 gl_WARN_ADD([-Wno-unused-variable])
1803 gl_WARN_ADD([-Wno-unused-but-set-variable])
1804 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1812 case "${window_system}" in
1817 case "${with_x_toolkit}" in
1818 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1819 motif ) USE_X_TOOLKIT=MOTIF ;;
1821 term_header=gtkutil.h
1822 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1823 dnl USE_X_TOOLKIT is set.
1824 USE_X_TOOLKIT=none ;;
1825 gtk2 ) with_gtk2=yes
1826 term_header=gtkutil.h
1827 USE_X_TOOLKIT=none ;;
1828 gtk3 ) with_gtk3=yes
1829 term_header=gtkutil.h
1830 USE_X_TOOLKIT=none ;;
1831 no ) USE_X_TOOLKIT=none ;;
1832 dnl If user did not say whether to use a toolkit, make this decision later:
1833 dnl use the toolkit if we have gtk, or X11R5 or newer.
1834 * ) USE_X_TOOLKIT=maybe ;;
1838 term_header=nsterm.h
1841 term_header=w32term.h
1845 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1846 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1847 if test "$HAVE_XSERVER" = true ||
1848 test -n "$DISPLAY" ||
1849 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1850 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1851 were found. You should install the relevant development files for X
1852 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1853 sure you have development files for image handling, i.e.
1854 tiff, gif, jpeg, png and xpm.
1855 If you are sure you want Emacs compiled without X window support, pass
1861 ### If we're using X11, we should use the X menu package.
1864 yes ) HAVE_MENUS=yes ;;
1867 # Does the opsystem file prohibit the use of the GNU malloc?
1868 # Assume not, until told otherwise.
1872 [whether malloc is Doug Lea style],
1873 [emacs_cv_var_doug_lea_malloc],
1876 [[#include <malloc.h>
1877 static void hook (void) {}]],
1878 [[malloc_set_state (malloc_get_state ());
1879 __after_morecore_hook = hook;
1880 __malloc_initialize_hook = hook;]])],
1881 [emacs_cv_var_doug_lea_malloc=yes],
1882 [emacs_cv_var_doug_lea_malloc=no])])
1883 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1886 dnl See comments in aix4-2.h about maybe using system malloc there.
1889 ## darwin ld insists on the use of malloc routines in the System framework.
1890 darwin|sol2-10) system_malloc=yes ;;
1893 if test "${system_malloc}" = "yes"; then
1894 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1897 (The GNU allocators don't work with this system configuration.)"
1901 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1902 VMLIMIT_OBJ=vm-limit.o
1904 AC_CHECK_HEADERS([sys/vlimit.h])
1905 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1908 [[extern char data_start[]; char ch;]],
1909 [[return data_start < &ch;]])],
1910 [emacs_cv_data_start=yes],
1911 [emacs_cv_data_start=no])])
1912 if test $emacs_cv_data_start = yes; then
1913 AC_DEFINE([HAVE_DATA_START], 1,
1914 [Define to 1 if data_start is the address of the start
1915 of the main data segment.])
1918 AC_SUBST(GMALLOC_OBJ)
1919 AC_SUBST(VMLIMIT_OBJ)
1921 if test "$doug_lea_malloc" = "yes" ; then
1922 if test "$GNU_MALLOC" = yes ; then
1924 (Using Doug Lea's new malloc from the GNU C Library.)"
1926 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1927 [Define to 1 if you are using the GNU C Library.])
1929 ## Use mmap directly for allocating larger buffers.
1930 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1931 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1932 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1934 gnu*) REL_ALLOC=no ;;
1938 if test x"${REL_ALLOC}" = x; then
1939 REL_ALLOC=${GNU_MALLOC}
1942 use_mmap_for_buffers=no
1944 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1948 if test $use_mmap_for_buffers = yes; then
1949 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1953 LIBS="$LIBS_SYSTEM $LIBS"
1955 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
1956 AC_CHECK_LIB(dnet, dnet_ntoa)
1957 dnl This causes -lresolv to get used in subsequent tests,
1958 dnl which causes failures on some systems such as HPUX 9.
1959 dnl AC_CHECK_LIB(resolv, gethostbyname)
1961 dnl FIXME replace main with a function we actually want from this library.
1962 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1964 dnl Check if pthreads is available.
1966 AC_CHECK_HEADERS_ONCE(pthread.h)
1967 if test "$ac_cv_header_pthread_h"; then
1968 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1969 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1970 dnl testing for pthread_self if Emacs uses gmalloc.c.
1971 if test "$GMALLOC_OBJ" = gmalloc.o; then
1972 emacs_pthread_function=pthread_atfork
1974 emacs_pthread_function=pthread_self
1976 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1978 if test "$HAVE_PTHREAD" = yes; then
1979 case "${canonical}" in
1981 *) LIB_PTHREAD="-lpthread"
1982 LIBS="$LIB_PTHREAD $LIBS" ;;
1984 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1986 AC_SUBST([LIB_PTHREAD])
1988 AC_CHECK_LIB(pthreads, cma_open)
1990 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1991 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1992 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1993 ## added to LIBS in configure would never contain the pthreads part,
1994 ## but the value used in Makefiles might. FIXME?
1996 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1997 ## be harmless on older versions of X where it happens to exist.
1998 test "$opsys" = "aix4-2" && \
1999 test $ac_cv_lib_pthreads_cma_open = yes && \
2000 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2002 dnl Check for need for bigtoc support on IBM AIX
2006 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2008 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2009 *) gdb_cv_bigtoc=-bbigtoc ;;
2012 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2013 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2018 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2019 # used for the tests that follow. We set them back to REAL_CFLAGS and
2020 # REAL_CPPFLAGS later on.
2022 REAL_CFLAGS="$CFLAGS"
2023 REAL_CPPFLAGS="$CPPFLAGS"
2025 if test "${HAVE_X11}" = "yes"; then
2026 DEFS="$C_SWITCH_X_SITE $DEFS"
2027 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2029 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2030 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2032 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2033 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2034 # but it's more convenient here to set LD_RUN_PATH since this
2035 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2036 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2037 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2041 if test "${opsys}" = "gnu-linux"; then
2042 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2043 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2044 [[XOpenDisplay ("foo");]])],
2045 [xgnu_linux_first_failure=no],
2046 [xgnu_linux_first_failure=yes])
2047 if test "${xgnu_linux_first_failure}" = "yes"; then
2048 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2049 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2050 OLD_CPPFLAGS="$CPPFLAGS"
2052 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2053 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2054 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2055 LIBS="$LIBS -b i486-linuxaout"
2056 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2057 [[XOpenDisplay ("foo");]])],
2058 [xgnu_linux_second_failure=no],
2059 [xgnu_linux_second_failure=yes])
2060 if test "${xgnu_linux_second_failure}" = "yes"; then
2061 # If we get the same failure with -b, there is no use adding -b.
2062 # So take it out. This plays safe.
2063 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2064 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2065 CPPFLAGS="$OLD_CPPFLAGS"
2076 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2077 # header files included from there.
2078 AC_MSG_CHECKING(for Xkb)
2079 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2080 #include <X11/XKBlib.h>]],
2081 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2082 emacs_xkb=yes, emacs_xkb=no)
2083 AC_MSG_RESULT($emacs_xkb)
2084 if test $emacs_xkb = yes; then
2085 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2088 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2089 XScreenNumberOfScreen)
2092 if test "${window_system}" = "x11"; then
2093 AC_MSG_CHECKING(X11 version 6)
2094 AC_CACHE_VAL(emacs_cv_x11_version_6,
2095 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2096 [[#if XlibSpecificationRelease < 6
2099 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2100 if test $emacs_cv_x11_version_6 = yes; then
2101 AC_MSG_RESULT(6 or newer)
2102 AC_DEFINE(HAVE_X11R6, 1,
2103 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2104 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2105 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2109 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2110 [Define if you have usable X11R6-style XIM support.])
2114 AC_MSG_RESULT(before 6)
2119 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2121 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2122 if test "${with_rsvg}" != "no"; then
2123 RSVG_REQUIRED=2.11.0
2124 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2126 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2127 AC_SUBST(RSVG_CFLAGS)
2130 if test $HAVE_RSVG = yes; then
2131 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2132 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2133 LIBS="$RSVG_LIBS $LIBS"
2139 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
2140 if test "${with_imagemagick}" != "no"; then
2141 ## 6.2.8 is the earliest version known to work, but earlier versions
2142 ## might work - let us know if you find one.
2143 ## 6.0.7 does not work. See bug#7955.
2144 ## 6.8.2 makes Emacs crash; see Bug#13867.
2145 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2146 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2147 AC_SUBST(IMAGEMAGICK_CFLAGS)
2148 AC_SUBST(IMAGEMAGICK_LIBS)
2150 if test $HAVE_IMAGEMAGICK = yes; then
2151 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2152 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2153 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2154 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2162 gtk_term_header=$term_header
2165 if test "${opsys}" != "mingw32"; then
2166 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2169 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2171 dnl Checks for libraries.
2172 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2173 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2174 AC_MSG_ERROR($GTK_PKG_ERRORS)
2176 if test "$pkg_check_gtk" = "yes"; then
2177 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2178 GTK_OBJ=emacsgtkfixed.o
2179 gtk_term_header=gtkutil.h
2180 USE_GTK_TOOLKIT="GTK3"
2181 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2182 GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
2183 GTK_CFLAGS="$GTK_CFLAGS -DGLIB_DISABLE_DEPRECATION_WARNINGS"
2187 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2191 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2194 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2196 dnl Checks for libraries.
2197 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2198 if test "$pkg_check_gtk" = "no" &&
2199 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2201 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2203 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2207 if test x"$pkg_check_gtk" = xyes; then
2209 AC_SUBST(GTK_CFLAGS)
2211 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2212 CFLAGS="$CFLAGS $GTK_CFLAGS"
2213 LIBS="$GTK_LIBS $LIBS"
2214 dnl Try to compile a simple GTK program.
2215 AC_MSG_CHECKING([whether GTK compiles])
2219 [[/* Check the Gtk and Glib APIs. */
2220 #include <gtk/gtk.h>
2221 #include <glib-object.h>
2223 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2227 GtkSettings *gs = 0;
2228 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2229 strict C prohibits this. Use gtk_main_iteration to test that the
2230 libraries are there. */
2231 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2232 0, 0, 0, G_CALLBACK (callback), 0))
2233 gtk_main_iteration ();
2236 AC_MSG_RESULT([$GTK_COMPILES])
2237 if test "${GTK_COMPILES}" != "yes"; then
2239 if test "$USE_X_TOOLKIT" != "maybe"; then
2240 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2244 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2245 GTK_OBJ="gtkutil.o $GTK_OBJ"
2246 term_header=$gtk_term_header
2248 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2251 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2252 closing open displays. This is no problem if you just use
2253 one display, but if you use more than one and close one of them
2263 if test "${HAVE_GTK}" = "yes"; then
2265 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2266 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2267 if test "$with_toolkit_scroll_bars" != no; then
2268 with_toolkit_scroll_bars=yes
2271 dnl Check if we have the old file selection dialog declared and
2272 dnl in the link library. In 2.x it may be in the library,
2273 dnl but not declared if deprecated featured has been selected out.
2274 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2275 HAVE_GTK_FILE_SELECTION=no
2276 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2277 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2278 #include <gtk/gtk.h>])
2279 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2280 AC_CHECK_FUNCS(gtk_file_selection_new)
2283 dnl Same as above for gtk_handle_box.
2284 HAVE_GTK_HANDLE_BOX=no
2285 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2286 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2287 #include <gtk/gtk.h>])
2288 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2289 AC_CHECK_FUNCS(gtk_handle_box_new)
2292 dnl Same as above for gtk_tearoff_menu_item.
2293 HAVE_GTK_TEAROFF_MENU_ITEM=no
2294 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2295 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2296 #include <gtk/gtk.h>])
2297 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2298 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2301 dnl Check for functions introduced in 2.14 and later.
2302 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2303 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2304 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2305 gtk_orientable_set_orientation \
2306 gtk_window_set_has_resize_grip)
2308 term_header=gtkutil.h
2311 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2312 dnl other platforms.
2315 if test "${with_dbus}" = "yes"; then
2316 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2317 if test "$HAVE_DBUS" = yes; then
2318 LIBS="$LIBS $DBUS_LIBS"
2319 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2320 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2321 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2323 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2324 dbus_type_is_valid \
2325 dbus_validate_bus_name \
2326 dbus_validate_path \
2327 dbus_validate_interface \
2328 dbus_validate_member)
2334 dnl GSettings has been tested under GNU/Linux only.
2336 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2337 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2338 if test "$HAVE_GSETTINGS" = "yes"; then
2339 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2340 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2341 SETTINGS_LIBS="$GSETTINGS_LIBS"
2345 dnl GConf has been tested under GNU/Linux only.
2346 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2348 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2349 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2350 if test "$HAVE_GCONF" = yes; then
2351 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2352 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2353 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2354 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2358 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2359 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2360 if test "$HAVE_GOBJECT" = "yes"; then
2361 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2362 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2364 SAVE_CFLAGS="$CFLAGS"
2366 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2367 LIBS="$SETTINGS_LIBS $LIBS"
2368 AC_CHECK_FUNCS([g_type_init])
2369 CFLAGS="$SAVE_CFLAGS"
2372 AC_SUBST(SETTINGS_CFLAGS)
2373 AC_SUBST(SETTINGS_LIBS)
2376 dnl SELinux is available for GNU/Linux only.
2379 if test "${with_selinux}" = "yes"; then
2380 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2381 if test "$HAVE_LIBSELINUX" = yes; then
2382 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2383 LIBSELINUX_LIBS=-lselinux
2386 AC_SUBST(LIBSELINUX_LIBS)
2389 if test "${with_gnutls}" = "yes" ; then
2390 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2391 if test "${HAVE_GNUTLS}" = "yes"; then
2392 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2395 # Windows loads GnuTLS dynamically
2396 if test "${opsys}" = "mingw32"; then
2399 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2400 LIBS="$LIBGNUTLS_LIBS $LIBS"
2404 AC_SUBST(LIBGNUTLS_LIBS)
2405 AC_SUBST(LIBGNUTLS_CFLAGS)
2410 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2411 dnl a particular library. This doesn't make much sense?
2412 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2413 with_file_notification=no
2416 dnl MS Windows native file monitor is available for mingw32 only.
2417 case $with_file_notification,$opsys in
2418 w32,* | yes,mingw32)
2419 AC_CHECK_HEADER(windows.h)
2420 if test "$ac_cv_header_windows_h" = yes ; then
2421 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2422 NOTIFY_OBJ=w32notify.o
2423 NOTIFY_SUMMARY="yes (w32)"
2427 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2428 dnl has been added in glib 2.24. It has been tested under
2429 dnl GNU/Linux only. We take precedence over inotify, but this makes
2430 dnl only sense when glib has been compiled with inotify support. How
2432 case $with_file_notification,$NOTIFY_OBJ in
2434 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2435 if test "$HAVE_GFILENOTIFY" = "yes"; then
2436 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2437 NOTIFY_OBJ=gfilenotify.o
2438 NOTIFY_SUMMARY="yes -lgio (gfile)"
2442 dnl inotify is only available on GNU/Linux.
2443 case $with_file_notification,$NOTIFY_OBJ in
2445 AC_CHECK_HEADER(sys/inotify.h)
2446 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2447 AC_CHECK_FUNC(inotify_init1)
2448 if test "$ac_cv_func_inotify_init1" = yes; then
2449 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2450 NOTIFY_OBJ=inotify.o
2451 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2456 case $with_file_notification,$NOTIFY_OBJ in
2457 yes,* | no,* | *,?*) ;;
2458 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2461 if test -n "$NOTIFY_OBJ"; then
2462 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2464 AC_SUBST(NOTIFY_OBJ)
2465 AC_SUBST(GFILENOTIFY_CFLAGS)
2466 AC_SUBST(GFILENOTIFY_LIBS)
2468 dnl Do not put whitespace before the #include statements below.
2469 dnl Older compilers (eg sunos4 cc) choke on it.
2472 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2473 if test "$with_xaw3d" != no; then
2474 AC_CACHE_VAL(emacs_cv_xaw3d,
2475 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2476 #include <X11/Intrinsic.h>
2477 #include <X11/Xaw3d/Simple.h>]],
2479 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2480 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2481 emacs_cv_xaw3d=no)])
2485 if test $emacs_cv_xaw3d = yes; then
2486 AC_MSG_CHECKING(for xaw3d)
2487 AC_MSG_RESULT([yes; using Lucid toolkit])
2491 AC_DEFINE(HAVE_XAW3D, 1,
2492 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2494 AC_MSG_CHECKING(for xaw3d)
2496 AC_MSG_CHECKING(for libXaw)
2497 AC_CACHE_VAL(emacs_cv_xaw,
2498 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2499 #include <X11/Intrinsic.h>
2500 #include <X11/Xaw/Simple.h>]],
2504 if test $emacs_cv_xaw = yes; then
2505 AC_MSG_RESULT([yes; using Lucid toolkit])
2508 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2509 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2511 AC_MSG_ERROR([No X toolkit could be found.
2512 If you are sure you want Emacs compiled without an X toolkit, pass
2514 to configure. Otherwise, install the development libraries for the toolkit
2515 that you want to use (e.g. Gtk+) and re-run configure.])
2520 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2523 if test "${USE_X_TOOLKIT}" != "none"; then
2524 AC_MSG_CHECKING(X11 toolkit version)
2525 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2526 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2527 [[#if XtSpecificationRelease < 6
2530 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2531 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2532 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2533 AC_MSG_RESULT(6 or newer)
2534 AC_DEFINE(HAVE_X11XTR6, 1,
2535 [Define to 1 if you have the X11R6 or newer version of Xt.])
2536 LIBXTR6="-lSM -lICE"
2538 ## Use libw.a along with X11R6 Xt.
2539 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2542 AC_MSG_RESULT(before 6)
2545 dnl If using toolkit, check whether libXmu.a exists.
2546 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2548 if test x$HAVE_X11XTR6 = xyes; then
2549 LIBS="-lXt -lSM -lICE $LIBS"
2553 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2554 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2555 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2559 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2560 dnl Why not just test for libxmu in the normal way?
2563 ## These systems don't supply Xmu.
2565 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2573 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2574 if test "${HAVE_X11}" = "yes"; then
2575 if test "${USE_X_TOOLKIT}" != "none"; then
2576 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2581 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2582 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2583 if test -d /usr/include/openmotif; then
2584 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2585 emacs_cv_openmotif=yes
2586 case "$canonical" in
2587 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2588 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2591 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2594 emacs_cv_openmotif=no
2596 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2597 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2598 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2601 Motif version prior to 2.1.
2603 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2604 if test $emacs_cv_motif_version_2_1 = yes; then
2605 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2606 if test x$emacs_cv_openmotif = xyes; then
2607 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2610 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2611 # We put this in CFLAGS temporarily to precede other -I options
2612 # that might be in CFLAGS temporarily.
2613 # We put this in CPPFLAGS where it precedes the other -I options.
2614 OLD_CPPFLAGS=$CPPFLAGS
2616 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2617 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2618 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2620 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2621 if test $emacs_cv_lesstif = yes; then
2622 # Make sure this -I option remains in CPPFLAGS after it is set
2623 # back to REAL_CPPFLAGS.
2624 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2625 # have those other -I options anyway. Ultimately, having this
2626 # directory ultimately in CPPFLAGS will be enough.
2627 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2628 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2631 CPPFLAGS=$OLD_CPPFLAGS
2634 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2635 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2638 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2639 dnl using Motif or Xaw3d is available, and unless
2640 dnl --with-toolkit-scroll-bars=no was specified.
2642 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2643 [Define to 1 if we should use toolkit scroll bars.])dnl
2644 USE_TOOLKIT_SCROLL_BARS=no
2645 if test "${with_toolkit_scroll_bars}" != "no"; then
2646 if test "${USE_X_TOOLKIT}" != "none"; then
2647 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2648 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2650 USE_TOOLKIT_SCROLL_BARS=yes
2651 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2652 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2653 USE_TOOLKIT_SCROLL_BARS=yes
2655 elif test "${HAVE_GTK}" = "yes"; then
2656 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2657 USE_TOOLKIT_SCROLL_BARS=yes
2658 elif test "${HAVE_NS}" = "yes"; then
2659 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2660 USE_TOOLKIT_SCROLL_BARS=yes
2661 elif test "${HAVE_W32}" = "yes"; then
2662 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2663 USE_TOOLKIT_SCROLL_BARS=yes
2667 dnl See if XIM is available.
2668 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2669 #include <X11/Xlib.h>
2670 #include <X11/Xresource.h>]],
2671 [[XIMProc callback;]])],
2673 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2676 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2678 if test "${with_xim}" != "no"; then
2679 AC_DEFINE(USE_XIM, 1,
2680 [Define to 1 if we should use XIM, if it is available.])
2684 if test "${HAVE_XIM}" != "no"; then
2686 if test "$GCC" = yes; then
2687 CFLAGS="$CFLAGS --pedantic-errors"
2689 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2690 #include <X11/Xlib.h>
2691 #include <X11/Xresource.h>]],
2697 XPointer *client_data;
2699 /* If we're not using GCC, it's probably not XFree86, and this is
2700 probably right, but we can't use something like --pedantic-errors. */
2701 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2702 char*, XIMProc, XPointer*);
2704 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2706 [emacs_cv_arg6_star=yes])
2707 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2708 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2709 either XPointer or XPointer*.])dnl
2710 if test "$emacs_cv_arg6_star" = yes; then
2711 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2713 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2718 ### Start of font-backend (under any platform) section.
2719 # (nothing here yet -- this is a placeholder)
2720 ### End of font-backend (under any platform) section.
2722 ### Start of font-backend (under X11) section.
2723 if test "${HAVE_X11}" = "yes"; then
2724 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2726 ## Use -lXft if available, unless `--with-xft=no'.
2728 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2731 if test "x${with_xft}" != "xno"; then
2733 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2734 ## Because xftfont.c uses XRenderQueryExtension, we also
2735 ## need to link to -lXrender.
2737 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2738 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2739 OLD_CPPFLAGS="$CPPFLAGS"
2740 OLD_CFLAGS="$CFLAGS"
2742 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2743 CFLAGS="$CFLAGS $XFT_CFLAGS"
2744 XFT_LIBS="-lXrender $XFT_LIBS"
2745 LIBS="$XFT_LIBS $LIBS"
2746 AC_CHECK_HEADER(X11/Xft/Xft.h,
2747 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2748 [[#include <X11/X.h>]])
2750 if test "${HAVE_XFT}" = "yes"; then
2751 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2753 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2755 CPPFLAGS="$OLD_CPPFLAGS"
2756 CFLAGS="$OLD_CFLAGS"
2758 fi # "${HAVE_XFT}" = "yes"
2759 fi # "$HAVE_XFT" != no
2760 fi # "x${with_xft}" != "xno"
2762 ## We used to allow building with FreeType and without Xft.
2763 ## However, the ftx font backend driver is not in good shape.
2764 if test "$HAVE_XFT" != "yes"; then
2765 dnl For the "Does Emacs use" message at the end.
2769 dnl Strict linkers fail with
2770 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2771 dnl if -lfreetype is not specified.
2772 dnl The following is needed to set FREETYPE_LIBS.
2773 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2776 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2780 if test "${HAVE_FREETYPE}" = "yes"; then
2781 AC_DEFINE(HAVE_FREETYPE, 1,
2782 [Define to 1 if using the freetype and fontconfig libraries.])
2783 if test "${with_libotf}" != "no"; then
2784 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2786 if test "$HAVE_LIBOTF" = "yes"; then
2787 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2788 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2789 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2790 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2791 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2792 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2793 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2797 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2798 dnl Does the new font backend require it, or can it work without it?
2802 if test "${HAVE_LIBOTF}" = yes; then
2803 if test "${with_m17n_flt}" != "no"; then
2804 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2805 if test "$HAVE_M17N_FLT" = "yes"; then
2806 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2817 ### End of font-backend (under X11) section.
2819 AC_SUBST(FREETYPE_CFLAGS)
2820 AC_SUBST(FREETYPE_LIBS)
2821 AC_SUBST(FONTCONFIG_CFLAGS)
2822 AC_SUBST(FONTCONFIG_LIBS)
2823 AC_SUBST(LIBOTF_CFLAGS)
2824 AC_SUBST(LIBOTF_LIBS)
2825 AC_SUBST(M17N_FLT_CFLAGS)
2826 AC_SUBST(M17N_FLT_LIBS)
2828 ### Use -lXpm if available, unless `--with-xpm=no'.
2829 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2832 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2833 if test "${with_xpm}" != "no"; then
2834 SAVE_CPPFLAGS="$CPPFLAGS"
2835 SAVE_LDFLAGS="$LDFLAGS"
2836 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2837 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2838 AC_CHECK_HEADER(X11/xpm.h,
2839 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2840 if test "${HAVE_XPM}" = "yes"; then
2841 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2842 AC_EGREP_CPP(no_return_alloc_pixels,
2843 [#include "X11/xpm.h"
2844 #ifndef XpmReturnAllocPixels
2845 no_return_alloc_pixels
2847 ], HAVE_XPM=no, HAVE_XPM=yes)
2849 if test "${HAVE_XPM}" = "yes"; then
2850 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2854 CPPFLAGS="$SAVE_CPPFLAGS"
2855 LDFLAGS="$SAVE_LDFLAGS"
2860 if test "${HAVE_XPM}" = "yes"; then
2861 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2866 if test "${HAVE_X11}" = "yes"; then
2867 if test "${with_xpm}" != "no"; then
2868 AC_CHECK_HEADER(X11/xpm.h,
2869 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2870 if test "${HAVE_XPM}" = "yes"; then
2871 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2872 AC_EGREP_CPP(no_return_alloc_pixels,
2873 [#include "X11/xpm.h"
2874 #ifndef XpmReturnAllocPixels
2875 no_return_alloc_pixels
2877 ], HAVE_XPM=no, HAVE_XPM=yes)
2879 if test "${HAVE_XPM}" = "yes"; then
2887 if test "${HAVE_XPM}" = "yes"; then
2888 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2893 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2894 ### slightly different requirements wrt image libraries (it doesn't
2895 ### use -lXpm because it loads the xpm shared library dynamically at
2897 if test "${opsys}" = "mingw32"; then
2898 if test "${with_xpm}" != "no"; then
2899 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2903 if test "${HAVE_XPM}" = "yes"; then
2904 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2910 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2911 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2914 if test "${opsys}" = "mingw32"; then
2915 if test "${with_jpeg}" != "no"; then
2916 dnl Checking for jpeglib.h can lose because of a redefinition of
2918 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2920 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2921 if test "${HAVE_JPEG}" = "yes"; then
2922 AC_DEFINE(HAVE_JPEG)
2923 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2924 [#include <jpeglib.h>
2925 version=JPEG_LIB_VERSION
2927 [AC_DEFINE(HAVE_JPEG)],
2928 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2931 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2932 if test "${with_jpeg}" != "no"; then
2933 dnl Checking for jpeglib.h can lose because of a redefinition of
2935 AC_CHECK_HEADER(jerror.h,
2936 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2939 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2940 if test "${HAVE_JPEG}" = "yes"; then
2941 AC_DEFINE(HAVE_JPEG)
2942 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2943 [#include <jpeglib.h>
2944 version=JPEG_LIB_VERSION
2946 [AC_DEFINE(HAVE_JPEG)],
2947 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2950 if test "${HAVE_JPEG}" = "yes"; then
2956 ### Use -lpng if available, unless `--with-png=no'.
2957 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2960 if test "${opsys}" = "mingw32"; then
2961 if test "${with_png}" != "no"; then
2962 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2964 if test "${HAVE_PNG}" = "yes"; then
2965 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2967 AC_CHECK_DECL(png_longjmp,
2969 [AC_DEFINE(PNG_DEPSTRUCT, [],
2970 [Define to empty to suppress deprecation warnings when building
2971 with --enable-gcc-warnings and with libpng versions before 1.5,
2972 which lack png_longjmp.])],
2973 [[#ifdef HAVE_LIBPNG_PNG_H
2974 # include <libpng/png.h>
2980 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2981 if test "${with_png}" != "no"; then
2982 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2983 # in /usr/include/libpng.
2984 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2985 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2986 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2990 if test "${HAVE_PNG}" = "yes"; then
2991 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2992 LIBPNG="-lpng -lz -lm"
2994 AC_CHECK_DECL(png_longjmp,
2996 [AC_DEFINE(PNG_DEPSTRUCT, [],
2997 [Define to empty to suppress deprecation warnings when building
2998 with --enable-gcc-warnings and with libpng versions before 1.5,
2999 which lack png_longjmp.])],
3000 [[#ifdef HAVE_LIBPNG_PNG_H
3001 # include <libpng/png.h>
3012 if test "${with_zlib}" != "no"; then
3014 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3016 case $ac_cv_search_inflateEnd in
3017 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3020 if test "${HAVE_ZLIB}" = "yes"; then
3021 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3022 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3023 if test "${opsys}" = "mingw32"; then
3030 ### Use -ltiff if available, unless `--with-tiff=no'.
3031 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3034 if test "${opsys}" = "mingw32"; then
3035 if test "${with_tiff}" != "no"; then
3036 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3038 if test "${HAVE_TIFF}" = "yes"; then
3039 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3041 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3042 if test "${with_tiff}" != "no"; then
3043 AC_CHECK_HEADER(tiffio.h,
3045 # At least one tiff package requires the jpeg library.
3046 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3047 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3050 if test "${HAVE_TIFF}" = "yes"; then
3051 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3052 dnl FIXME -lz -lm, as per libpng?
3058 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3059 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3062 if test "${opsys}" = "mingw32"; then
3063 if test "${with_gif}" != "no"; then
3064 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3066 if test "${HAVE_GIF}" = "yes"; then
3067 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3069 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3070 || test "${HAVE_W32}" = "yes"; then
3071 AC_CHECK_HEADER(gif_lib.h,
3072 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3073 # Earlier versions can crash Emacs.
3074 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
3076 if test "$HAVE_GIF" = yes; then
3078 elif test "$HAVE_GIF" = maybe; then
3079 # If gif_lib.h but no libgif, try libungif.
3080 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3081 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3084 if test "${HAVE_GIF}" = "yes"; then
3085 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3090 dnl Check for required libraries.
3091 if test "${HAVE_X11}" = "yes"; then
3094 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3095 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3096 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3097 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3098 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3099 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3100 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3101 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3102 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3103 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3105 if test "X${MISSING}" != X; then
3106 AC_MSG_ERROR([The following required libraries were not found:
3108 Maybe some development libraries/packages are missing?
3109 If you don't want to link with them give
3111 as options to configure])
3115 ### Use -lgpm if available, unless `--with-gpm=no'.
3118 if test "${with_gpm}" != "no"; then
3119 AC_CHECK_HEADER(gpm.h,
3120 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3122 if test "${HAVE_GPM}" = "yes"; then
3123 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3129 dnl Check for malloc/malloc.h on darwin
3130 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3133 ### Use NeXTstep API to implement GUI.
3134 if test "${HAVE_NS}" = "yes"; then
3135 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3136 if test "${NS_IMPL_COCOA}" = "yes"; then
3137 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3139 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3140 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3141 # See also .m.o rule in Makefile.in */
3142 # FIXME: are all these flags really needed? Document here why. */
3143 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3144 ## Extra CFLAGS applied to src/*.m files.
3145 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3147 # We also have mouse menus.
3152 if test "${HAVE_W32}" = "yes"; then
3156 ### Use session management (-lSM -lICE) if available
3159 if test "${HAVE_X11}" = "yes"; then
3160 AC_CHECK_HEADER(X11/SM/SMlib.h,
3161 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3163 if test "${HAVE_X_SM}" = "yes"; then
3164 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3168 *) LIBS="$LIBXSM $LIBS" ;;
3174 ### Use XRandr (-lXrandr) if available
3176 if test "${HAVE_X11}" = "yes"; then
3177 XRANDR_REQUIRED=1.2.2
3178 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3179 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3180 if test $HAVE_XRANDR = no; then
3181 # Test old way in case pkg-config doesn't have it (older machines).
3182 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3183 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3184 if test $HAVE_XRANDR = yes; then
3185 XRANDR_LIBS=-lXrandr
3186 AC_SUBST(XRANDR_LIBS)
3189 if test $HAVE_XRANDR = yes; then
3190 SAVE_CFLAGS="$CFLAGS"
3192 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3193 LIBS="$XRANDR_LIBS $LIBS"
3194 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3195 CFLAGS="$SAVE_CFLAGS"
3198 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3202 ### Use Xinerama (-lXinerama) if available
3204 if test "${HAVE_X11}" = "yes"; then
3205 XINERAMA_REQUIRED=1.0.2
3206 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3207 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3209 if test $HAVE_XINERAMA = no; then
3210 # Test old way in case pkg-config doesn't have it (older machines).
3211 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3212 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3213 if test $HAVE_XINERAMA = yes; then
3214 XINERAMA_LIBS=-lXinerama
3215 AC_SUBST(XINERAMA_LIBS)
3218 if test $HAVE_XINERAMA = yes; then
3219 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3224 ### Use libxml (-lxml2) if available
3225 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3227 if test "${with_xml2}" != "no"; then
3228 ### I'm not sure what the version number should be, so I just guessed.
3229 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3230 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3231 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3232 SAVE_CPPFLAGS="$CPPFLAGS"
3233 CPPFLAGS="$CPPFLAGS -I/usr/include/libxml2"
3234 AC_CHECK_HEADER(libxml/HTMLparser.h,
3235 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3236 [#include <libxml/HTMLparser.h>])])
3237 CPPFLAGS="$SAVE_CPPFLAGS"
3238 if test "${HAVE_LIBXML2}" = "yes"; then
3239 LIBXML2_LIBS="-lxml2"
3240 LIBXML2_CFLAGS="-I/usr/include/libxml2"
3243 if test "${HAVE_LIBXML2}" = "yes"; then
3244 if test "${opsys}" != "mingw32"; then
3245 LIBS="$LIBXML2_LIBS $LIBS"
3246 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3250 if test "${HAVE_LIBXML2}" = "yes"; then
3251 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3258 AC_SUBST(LIBXML2_LIBS)
3259 AC_SUBST(LIBXML2_CFLAGS)
3261 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3262 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3263 if test "${opsys}" = "mingw32"; then
3264 emacs_cv_netdb_declares_h_errno=yes
3266 AC_CACHE_CHECK(whether netdb declares h_errno,
3267 emacs_cv_netdb_declares_h_errno,
3268 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3269 [[return h_errno;]])],
3270 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3271 if test $emacs_cv_netdb_declares_h_errno = yes; then
3272 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3275 # sqrt and other floating-point functions such as fmod and frexp
3276 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3277 if test "${opsys}" != "mingw32"; then
3278 AC_CHECK_LIB(m, sqrt)
3281 # Check for mail-locking functions in a "mail" library. Probably this should
3282 # have the same check as for liblockfile below.
3283 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3284 if test $have_mail = yes; then
3286 LIBS="$LIBS_MAIL $LIBS"
3287 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3291 dnl Debian, at least:
3292 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3293 if test $have_lockfile = yes; then
3294 LIBS_MAIL=-llockfile
3295 LIBS="$LIBS_MAIL $LIBS"
3296 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3298 # If we have the shared liblockfile, assume we must use it for mail
3299 # locking (e.g. Debian). If we couldn't link against liblockfile
3300 # (no liblockfile.a installed), ensure that we don't need to.
3301 dnl This works for files generally, not just executables.
3302 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3303 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3304 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3305 if test $ac_cv_prog_liblockfile = yes; then
3306 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3307 This probably means that movemail could lose mail.
3308 There may be a `development' package to install containing liblockfile.])
3311 AC_CHECK_HEADERS_ONCE(maillock.h)
3314 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3315 ## interlock access to the mail spool. The alternative is a lock file named
3316 ## /usr/spool/mail/$USER.lock.
3319 aix4-2) mail_lock="lockf" ;;
3321 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3323 ## On GNU/Linux systems, both methods are used by various mail programs.
3324 ## I assume most people are using newer mailers that have heard of flock.
3325 ## Change this if you need to.
3326 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3327 ## configure gets the right answers, and that means *NOT* using flock.
3328 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3329 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3330 ## Debian maintainer hasn't provided a clean fix for Emacs.
3331 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3332 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3333 ## correct logic. -- fx
3334 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3335 ## liblockfile is a Free Software replacement for libmail, used on
3336 ## Debian systems and elsewhere. -rfr.
3339 if test $have_mail = yes || test $have_lockfile = yes; then
3340 test $ac_cv_header_maillock_h = yes && mail_lock=no
3345 mail_lock="none-needed" ;;
3349 case "$mail_lock" in
3350 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3352 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3356 *) BLESSMAIL_TARGET="need-blessmail" ;;
3358 AC_SUBST(BLESSMAIL_TARGET)
3361 AC_CHECK_FUNCS(accept4 gethostname \
3362 getrusage get_current_dir_name \
3364 select getpagesize setlocale \
3365 getrlimit setrlimit shutdown getaddrinfo \
3366 strsignal setitimer \
3367 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3368 gai_strerror getline getdelim sync \
3369 difftime posix_memalign \
3370 getpwent endpwent getgrent endgrent \
3372 cfmakeraw cfsetspeed copysign __executable_start log2)
3374 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3375 ## has a broken `rint' in some library versions including math library
3376 ## version number A.09.05.
3377 ## You can fix the math library by installing patch number PHSS_4630.
3378 ## But we can fix it more reliably for Emacs by just not using rint.
3379 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3382 *) AC_CHECK_FUNCS(random rint) ;;
3385 dnl Cannot use AC_CHECK_FUNCS
3386 AC_CACHE_CHECK([for __builtin_unwind_init],
3387 emacs_cv_func___builtin_unwind_init,
3388 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3389 emacs_cv_func___builtin_unwind_init=yes,
3390 emacs_cv_func___builtin_unwind_init=no)])
3391 if test $emacs_cv_func___builtin_unwind_init = yes; then
3392 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3393 [Define to 1 if you have the `__builtin_unwind_init' function.])
3396 AC_CHECK_HEADERS_ONCE(sys/un.h)
3401 AC_CHECK_FUNCS(grantpt)
3403 # PTY-related GNU extensions.
3404 AC_CHECK_FUNCS(getpt posix_openpt)
3406 # Check this now, so that we will NOT find the above functions in ncurses.
3407 # That is because we have not set up to link ncurses in lib-src.
3408 # It's better to believe a function is not available
3409 # than to expect to find it in ncurses.
3410 # Also we need tputs and friends to be able to build at all.
3411 AC_MSG_CHECKING([for library containing tputs])
3412 # Run a test program that contains a call to tputs, a call that is
3413 # never executed. This tests whether a pre-'main' dynamic linker
3414 # works with the library. It's too much trouble to actually call
3415 # tputs in the test program, due to portability hassles. When
3416 # cross-compiling, assume the test program will run if it links.
3417 AC_DEFUN([tputs_link_source], [
3419 [[extern void tputs (const char *, int, int (*)(int));
3420 int main (int argc, char **argv)
3423 tputs (argv[0], 0, 0);
3427 if test "${opsys}" = "mingw32"; then
3430 # Maybe curses should be tried earlier?
3431 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3432 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3434 if test -z "$tputs_library"; then
3438 LIBS_TERMCAP=-l$tputs_library
3440 LIBS="$LIBS_TERMCAP $LIBS"
3442 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3443 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3445 if test "X$msg" != Xno; then
3450 AC_MSG_RESULT([$msg])
3451 if test "X$msg" = Xno; then
3452 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3453 The following libraries were tried (in order):
3454 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3455 Please try installing whichever of these libraries is most appropriate
3456 for your system, together with its header files.
3457 For example, a libncurses-dev(el) or similar package.])
3460 ## Use termcap instead of terminfo?
3461 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3463 ## FIXME? In the cases below where we unconditionally set
3464 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3465 ## if that was found above to have tputs.
3466 ## Should we use the gnu* logic everywhere?
3468 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3469 ## The ncurses library has been moved out of the System framework in
3470 ## Mac OS X 10.2. So if configure detects it, set the command-line
3471 ## option to use it.
3472 darwin) LIBS_TERMCAP="-lncurses" ;;
3474 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3477 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3478 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3479 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3480 [[#if __FreeBSD_version < 400000
3483 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3485 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3487 if test $emacs_cv_freebsd_terminfo = yes; then
3488 LIBS_TERMCAP="-lncurses"
3491 LIBS_TERMCAP="-ltermcap"
3501 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3503 LIBS_TERMCAP="-ltermcap"
3507 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3509 ## hpux: Make sure we get select from libc rather than from libcurses
3510 ## because libcurses on HPUX 10.10 has a broken version of select.
3511 ## We used to use -lc -lcurses, but this may be cleaner.
3512 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3513 # set that way, now it uses the default). Isn't this a contradiction?
3514 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3518 TERMCAP_OBJ=tparam.o
3519 if test $TERMINFO = yes; then
3520 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3521 TERMCAP_OBJ=terminfo.o
3523 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3524 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3526 AC_SUBST(LIBS_TERMCAP)
3527 AC_SUBST(TERMCAP_OBJ)
3530 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3531 # On Darwin, res_init appears not to be useful: see bug#562 and
3532 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3535 if test $opsys != darwin; then
3537 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3538 #include <arpa/nameser.h>
3539 #include <resolv.h>]],
3540 [[return res_init();]])],
3541 have_res_init=yes, have_res_init=no)
3542 if test "$have_res_init" = no; then
3544 LIBS="$LIBS -lresolv"
3545 AC_MSG_CHECKING(for res_init with -lresolv)
3546 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3547 #include <arpa/nameser.h>
3548 #include <resolv.h>]],
3549 [[return res_init();]])],
3550 have_res_init=yes, have_res_init=no)
3551 AC_MSG_RESULT($have_res_init)
3552 if test "$have_res_init" = yes ; then
3558 if test "$have_res_init" = yes; then
3559 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3563 # Do we need the Hesiod library to provide the support routines?
3564 dnl FIXME? Should we be skipping this on Darwin too?
3566 if test "$with_hesiod" != no ; then
3567 # Don't set $LIBS here -- see comments above. FIXME which comments?
3568 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3569 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3570 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3571 if test "$resolv" = yes ; then
3576 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3577 hesiod=yes, :, $RESOLVLIB)])
3579 if test x"$hesiod" = xyes; then
3585 # Do we need libresolv (due to res_init or Hesiod)?
3586 if test "$resolv" = yes && test $opsys != darwin; then
3593 # These tell us which Kerberos-related libraries to use.
3600 if test "${with_kerberos}" != no; then
3601 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3602 if test $have_com_err = yes; then
3603 COM_ERRLIB=-lcom_err
3604 LIBS="$COM_ERRLIB $LIBS"
3606 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3607 if test $have_crypto = yes; then
3609 LIBS="$CRYPTOLIB $LIBS"
3611 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3612 if test $have_k5crypto = yes; then
3613 CRYPTOLIB=-lk5crypto
3614 LIBS="$CRYPTOLIB $LIBS"
3616 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3617 if test $have_krb5=yes; then
3619 LIBS="$KRB5LIB $LIBS"
3621 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3622 if test "${with_kerberos5}" = no; then
3623 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3624 if test $have_des425 = yes; then
3626 LIBS="$DESLIB $LIBS"
3628 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3629 if test $have_des = yes; then
3631 LIBS="$DESLIB $LIBS"
3634 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3635 if test $have_krb4 = yes; then
3637 LIBS="$KRB4LIB $LIBS"
3639 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3640 if test $have_krb = yes; then
3642 LIBS="$KRB4LIB $LIBS"
3647 if test "${with_kerberos5}" != no; then
3648 AC_CHECK_HEADERS(krb5.h,
3649 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3650 [#include <krb5.h>])])
3652 AC_CHECK_HEADERS(krb.h,,
3653 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3654 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3656 AC_CHECK_HEADERS(com_err.h)
3659 AC_SUBST(COM_ERRLIB)
3665 AC_CHECK_FUNCS_ONCE(tzset)
3666 AC_MSG_CHECKING(whether localtime caches TZ)
3667 AC_CACHE_VAL(emacs_cv_localtime_cache,
3668 [if test x$ac_cv_func_tzset = xyes; then
3669 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3670 char TZ_GMT0[] = "TZ=GMT0";
3671 char TZ_PST8[] = "TZ=PST8";
3674 time_t now = time ((time_t *) 0);
3675 int hour_GMT0, hour_unset;
3676 if (putenv (TZ_GMT0) != 0)
3678 hour_GMT0 = localtime (&now)->tm_hour;
3680 hour_unset = localtime (&now)->tm_hour;
3681 if (putenv (TZ_PST8) != 0)
3683 if (localtime (&now)->tm_hour == hour_GMT0)
3686 if (localtime (&now)->tm_hour != hour_unset)
3689 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3690 [# If we have tzset, assume the worst when cross-compiling.
3691 emacs_cv_localtime_cache=yes])
3693 # If we lack tzset, report that localtime does not cache TZ,
3694 # since we can't invalidate the cache if we don't have tzset.
3695 emacs_cv_localtime_cache=no
3697 AC_MSG_RESULT($emacs_cv_localtime_cache)
3698 if test $emacs_cv_localtime_cache = yes; then
3699 AC_DEFINE(LOCALTIME_CACHE, 1,
3700 [Define to 1 if localtime caches TZ.])
3704 AC_CHECK_FUNC(socket, , ok_so_far=no)
3705 if test $ok_so_far = yes; then
3706 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3708 if test $ok_so_far = yes; then
3709 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3711 if test $ok_so_far = yes; then
3712 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3713 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3714 [Define to 1 if you have inet sockets.])
3717 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3718 dnl This can be removed once we assume Autoconf 2.70.
3720 *-solaris2.4 | *-solaris2.4.*)
3721 dnl Disable the Autoconf-generated vfork test.
3722 : ${ac_cv_func_vfork_works=no};;
3727 AC_CHECK_FUNCS(snprintf)
3729 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3732 AC_MSG_CHECKING([whether GLib is linked in])
3733 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3736 [[g_print ("Hello world");]])],
3739 AC_MSG_RESULT([$links_glib])
3740 if test "${links_glib}" = "yes"; then
3741 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3742 if test "$HAVE_NS" = no;then
3748 dnl Adapted from Haible's version.
3749 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3750 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3751 [[char* cs = nl_langinfo(CODESET);]])],
3752 emacs_cv_langinfo_codeset=yes,
3753 emacs_cv_langinfo_codeset=no)
3755 if test $emacs_cv_langinfo_codeset = yes; then
3756 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3757 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3762 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3763 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3764 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3765 if test "$emacs_cv_c_restrict_arr" = yes; then
3766 AC_DEFINE(__restrict_arr, __restrict,
3767 [Define to compiler's equivalent of C99 restrict keyword in array
3768 declarations. Define as empty for no equivalent.])
3771 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3772 dnl how the tty code is related to POSIX and/or other versions of termios.
3773 dnl The following looks like a useful start.
3775 dnl AC_SYS_POSIX_TERMIOS
3776 dnl if test $ac_cv_sys_posix_termios = yes; then
3777 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3778 dnl and macros for terminal control.])
3779 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3782 dnl Turned on June 1996 supposing nobody will mind it.
3783 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3784 if test "${opsys}" != "mingw32"; then
3785 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3786 in the full name stands for the login id.])
3789 dnl Every platform that uses configure supports this.
3790 dnl There is a create-lockfiles option you can
3791 dnl customize if you do not want the lock files to be written.
3792 dnl So it is not clear that this #define still needs to exist.
3793 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3794 so that Emacs can tell instantly when you try to modify a file that
3795 someone else has modified in his/her Emacs.])
3797 dnl Everybody supports this, except MS.
3798 dnl Seems like the kind of thing we should be testing for, though.
3799 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3800 if test "${opsys}" != "mingw32"; then
3801 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3804 dnl Everybody supports this, except MS-DOS.
3805 dnl Seems like the kind of thing we should be testing for, though.
3806 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3807 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3808 4.2-compatible sockets.])
3810 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3812 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3813 a null file, or a data sink.])
3814 if test "${opsys}" = "mingw32"; then
3815 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3817 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3820 AH_TEMPLATE(SEPCHAR, [Character that separates PATH elements.])
3821 if test "${opsys}" = "mingw32"; then
3822 AC_DEFINE(SEPCHAR, [';'])
3824 AC_DEFINE(SEPCHAR, [':'])
3827 dnl Everybody supports this, except MS-DOS.
3828 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3830 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3833 AC_DEFINE(DIRECTORY_SEP, ['/'],
3834 [Character that separates directories in a file name.])
3836 if test "${opsys}" = "mingw32"; then
3837 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3838 [Returns true if character is a device separator.])
3840 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3841 [Returns true if character is a directory separator.])
3843 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3844 [Returns true if character is any form of separator.])
3846 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3847 [Returns true if character is a device separator.])
3849 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3850 [Returns true if character is a directory separator.])
3852 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3853 [Returns true if character is any form of separator.])
3856 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3860 dnl Unfortunately without libXmu we cannot support EditRes.
3861 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3862 AC_DEFINE(NO_EDITRES, 1)
3867 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3868 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3869 AC_DEFINE(NO_EDITRES, 1)
3875 irix6-5 | sol2* | unixware )
3876 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3877 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3878 dnl need the constant to dimension an array. So wire in the appropriate
3880 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3884 emacs_broken_SIGIO=no
3887 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3888 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3889 hpux* | irix6-5 | openbsd | sol2* | unixware )
3890 emacs_broken_SIGIO=yes
3894 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3895 dnl the way this system works, libc functions that return malloced
3896 dnl memory use the libc malloc implementation. Calling xfree or
3897 dnl xrealloc on the results of such functions results in a crash.
3899 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3900 dnl but that does not currently work on this system.
3902 dnl It is possible to completely override the malloc implementation on
3903 dnl AIX, but that involves putting the malloc functions in a shared
3904 dnl library and setting the MALLOCTYPE environment variable to point to
3905 dnl that shared library.
3907 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3908 dnl to avoid a crash just use the Emacs implementation for that function.
3910 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3911 dnl of this file, so that we do not check for get_current_dir_name
3912 dnl on AIX. But that might be fragile if something else ends
3913 dnl up testing for get_current_dir_name as a dependency.
3914 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3915 get_current_dir_name should not be used.])
3919 dnl Circumvent a bug in FreeBSD. In the following sequence of
3920 dnl writes/reads on a PTY, read(2) returns bogus data:
3922 dnl write(2) 1022 bytes
3923 dnl write(2) 954 bytes, get EAGAIN
3924 dnl read(2) 1024 bytes in process_read_output
3925 dnl read(2) 11 bytes in process_read_output
3927 dnl That is, read(2) returns more bytes than have ever been written
3928 dnl successfully. The 1033 bytes read are the 1022 bytes written
3929 dnl successfully after processing (for example with CRs added if the
3930 dnl terminal is set up that way which it is here). The same bytes will
3931 dnl be seen again in a later read(2), without the CRs.
3932 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3933 work around an issue when reading from a PTY.])
3939 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3940 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3945 darwin | dragonfly | freebsd | netbsd | openbsd )
3946 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3947 close a pty to make it a controlling terminal (it is already a
3948 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3952 dnl FIXME Surely we can test for this rather than hard-code it.
3954 netbsd | openbsd) sound_device="/dev/audio" ;;
3955 *) sound_device="/dev/dsp" ;;
3959 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3960 [Name of the default sound device.])
3963 dnl Emacs can read input using SIGIO and buffering characters itself,
3964 dnl or using CBREAK mode and making C-g cause SIGINT.
3965 dnl The choice is controlled by the variable interrupt_input.
3967 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3969 dnl Emacs uses the presence of the USABLE_SIGIO macro
3970 dnl to indicate whether or not signal-driven I/O is possible. It uses
3971 dnl INTERRUPT_INPUT to decide whether to use it by default.
3973 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3974 dnl CBREAK mode has two disadvantages
3975 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3976 dnl I hear that in system V this problem does not exist.
3977 dnl 2) Control-G causes output to be discarded.
3978 dnl I do not know whether this can be fixed in system V.
3980 dnl Another method of doing input is planned but not implemented.
3981 dnl It would have Emacs fork off a separate process
3982 dnl to read the input and send it to the true Emacs process
3985 darwin | gnu-linux | gnu-kfreebsd )
3986 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3991 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3992 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3993 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3994 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3995 dnl taking float or double parameters.
3997 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3998 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3999 file defines `NeedWidePrototypes' as `NO'.])
4004 dnl Used in process.c, this must be a loop, even if it only runs once.
4005 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4006 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4007 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4008 dnl trying suffixes 0-16.
4009 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4010 first PTY, if PTYs are supported.])
4011 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4012 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4013 end of a PTY, if non-standard.])
4014 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4015 end of a PTY, if non-standard.])
4019 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4020 dnl You allocate a pty by opening /dev/ptc to get the master side.
4021 dnl To get the name of the slave side, you just ttyname() the master side.
4022 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4023 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4027 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4028 dnl multi-line AC_DEFINEs are hard. :(
4029 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 (0)])
4030 AC_DEFINE(PTY_NAME_SPRINTF, [])
4031 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4034 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4036 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4037 dnl Not used, because PTY_ITERATION is defined.
4038 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4039 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4040 dnl But we don't have to block SIGCHLD because it is blocked in the
4041 dnl implementation of grantpt.
4042 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
4043 AC_DEFINE(PTY_NAME_SPRINTF, [])
4044 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4048 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4051 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4053 if test "x$ac_cv_func_grantpt" = xyes; then
4054 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4055 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4056 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4057 dnl to prevent sigchld_handler from intercepting the child's death.
4058 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); }])
4059 dnl if HAVE_POSIX_OPENPT
4060 if test "x$ac_cv_func_posix_openpt" = xyes; then
4061 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (0)])
4062 AC_DEFINE(PTY_NAME_SPRINTF, [])
4064 elif test "x$ac_cv_func_getpt" = xyes; then
4065 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4066 AC_DEFINE(PTY_NAME_SPRINTF, [])
4068 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4071 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4076 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4077 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4078 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4082 dnl It looks like this cannot be right, because it is not a loop.
4083 dnl However, process.c actually does this:
4089 dnl which presumably makes it OK, since irix == sgi (?).
4090 dnl FIXME it seems like this special treatment is unnecessary?
4091 dnl Why can't irix use a single-trip loop like eg cygwin?
4092 AC_DEFINE(PTY_ITERATION, [])
4093 dnl Not used, because PTY_ITERATION is defined.
4094 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4095 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); }])
4096 dnl No need to get the pty name at all.
4097 AC_DEFINE(PTY_NAME_SPRINTF, [])
4098 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4099 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4103 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4104 dnl from intercepting that death. If any child but grantpt's should die
4105 dnl within, it should be caught after sigrelse(2).
4106 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); }])
4110 dnl Comments are as per sol2*.
4111 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); }])
4118 dnl This change means that we don't loop through allocate_pty too
4119 dnl many times in the (rare) event of a failure.
4120 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4121 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4122 dnl Push various streams modules onto a PTY channel. Used in process.c.
4123 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.])
4128 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4129 "typing" a signal character on the pty.])
4132 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4133 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4134 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4135 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4138 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4139 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4140 gnu-linux | gnu-kfreebsd )
4142 AC_MSG_CHECKING([for signals via characters])
4143 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4144 #include <linux/version.h>
4145 #if LINUX_VERSION_CODE < 0x20400
4146 # error "Linux version too old"
4148 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4150 AC_MSG_RESULT([$emacs_signals_via_chars])
4151 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4156 dnl Used in lisp.h, emacs.c, vm-limit.c
4157 dnl NEWS.18 describes this as "a number which contains
4158 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4159 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4160 stored in a Lisp_Object.])
4161 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4165 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4166 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4169 dnl The data segment on this machine always starts at address 0x40000000.
4170 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4173 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4178 AH_TEMPLATE(TAB3, [Undocumented.])
4181 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4183 gnu | dragonfly | freebsd | netbsd | openbsd )
4184 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4185 AC_DEFINE(TAB3, OXTABS)
4188 gnu-linux | gnu-kfreebsd )
4189 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4193 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4194 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (0)],
4195 [Mark a secondary stack, like the register stack on the ia64.]), [])
4199 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4200 run_time_remap; for HPUX.])
4205 dnl This won't be used automatically yet. We also need to know, at least,
4206 dnl that the stack is continuous.
4207 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4208 registers relevant for conservative garbage collection in the jmp_buf.])
4212 dnl Not all the architectures are tested, but there are Debian packages
4213 dnl for SCM and/or Guile on them, so the technique must work. See also
4214 dnl comments in alloc.c concerning setjmp and gcc.
4215 dnl Fixme: it's probably safe to just use the GCC conditional below.
4216 gnu-linux | gnu-kfreebsd )
4217 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4218 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4219 || defined __alpha__ || defined __mips__ || defined __s390__ \
4220 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4221 || defined __ia64__ || defined __sh__
4224 # error "setjmp not known to work on this arch"
4226 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4231 if test x$GCC = xyes; then
4232 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4233 AC_DEFINE(GC_SETJMP_WORKS, 1)
4236 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4237 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4238 AC_DEFINE(GC_SETJMP_WORKS, 1)
4243 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4244 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4247 [[#include <setjmp.h>
4249 # define _longjmp longjmp
4254 _longjmp (j, 1);]])],
4255 [emacs_cv_func__setjmp=yes],
4256 [emacs_cv_func__setjmp=no])])
4257 if test $emacs_cv_func__setjmp = yes; then
4258 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4260 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4263 [[#include <setjmp.h>
4266 if (! sigsetjmp (j, 1))
4267 siglongjmp (j, 1);]])],
4268 [emacs_cv_func_sigsetjmp=yes],
4269 [emacs_cv_func_sigsetjmp=no])])
4270 if test $emacs_cv_func_sigsetjmp = yes; then
4271 AC_DEFINE([HAVE_SIGSETJMP], 1,
4272 [Define to 1 if sigsetjmp and siglongjmp work.
4273 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4279 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4280 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4281 dnl and this is all we need.
4282 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4289 dnl Used in xfaces.c.
4290 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4291 some systems, where it requires time.h.])
4296 dnl Define symbols to identify the version of Unix this is.
4297 dnl Define all the symbols that apply correctly.
4298 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4299 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4300 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4301 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4306 dnl This symbol should be defined on AIX Version 3 ???????
4307 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4309 # error "_AIX not defined"
4311 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4315 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4319 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4320 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4321 dnl distinguish OS X from pure Darwin.
4322 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4325 gnu-linux | gnu-kfreebsd )
4327 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4332 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4337 AC_DEFINE(USG5_4, [])
4338 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4342 AC_DEFINE(DOS_NT, [])
4343 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4344 if test "x$ac_enable_checking" != "x" ; then
4345 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4351 AC_DEFINE(USG5_4, [])
4352 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4357 AC_DEFINE(USG5_4, [])
4361 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4364 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4365 emacs_cv_usable_FIONREAD=no
4369 emacs_cv_usable_FIONREAD=yes
4374 [AC_LANG_PROGRAM([[#include <sys/types.h>
4375 #include <sys/ioctl.h>
4377 # include <sys/filio.h>
4380 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4381 [emacs_cv_usable_FIONREAD=yes],
4382 [emacs_cv_usable_FIONREAD=no])
4385 if test $emacs_cv_usable_FIONREAD = yes; then
4386 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4388 if test $emacs_broken_SIGIO = no; then
4389 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4391 [AC_LANG_PROGRAM([[#include <fcntl.h>
4394 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4395 [emacs_cv_usable_SIGIO=yes],
4396 [emacs_cv_usable_SIGIO=no])],
4397 [emacs_cv_usable_SIGIO=yes],
4398 [emacs_cv_usable_SIGIO=no])
4399 if test $emacs_cv_usable_SIGIO = yes; then
4400 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4407 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4408 dnl and on Cygwin prior to version 1.7.24 that becomes the
4409 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4410 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4411 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4412 dnl needed starting with cygwin-1.7.24, and it is no longer
4413 dnl effective starting with glib-2.36. */
4415 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4416 G_SLICE environment variable to "always-malloc" at startup.])
4420 dnl It works to open the pty's tty in the parent (Emacs), then
4421 dnl close and reopen it in the child.
4422 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4423 works to open a pty's tty in the parent process, then close and
4424 reopen it in the child.])
4428 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4429 use VSUSP instead of VSWTCH.])
4433 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4438 # Set up the CFLAGS for real compilation, so we can substitute it.
4439 CFLAGS="$REAL_CFLAGS"
4440 CPPFLAGS="$REAL_CPPFLAGS"
4442 ## Hack to detect a buggy GCC version.
4443 if test "x$GCC" = xyes \
4444 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4445 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4446 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4447 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4450 version=$PACKAGE_VERSION
4452 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4453 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4454 [Short copyright string for this version of Emacs.])
4457 ### Specify what sort of things we'll be editing into Makefile and config.h.
4458 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4460 AC_SUBST(configuration)
4465 AC_SUBST(exec_prefix)
4468 AC_SUBST(sharedstatedir)
4469 AC_SUBST(libexecdir)
4474 AC_SUBST(standardlisppath)
4475 AC_SUBST(locallisppath)
4477 AC_SUBST(x_default_search_path)
4479 AC_SUBST(archlibdir)
4484 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4485 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4486 ## end of LIBX_BASE, but nothing ever set it.
4487 AC_SUBST(LD_SWITCH_X_SITE)
4488 AC_SUBST(C_SWITCH_X_SITE)
4489 AC_SUBST(GNUSTEP_CFLAGS)
4491 ## Used in lwlib/Makefile.in.
4492 AC_SUBST(X_TOOLKIT_TYPE)
4494 AC_SUBST(ns_appbindir)
4495 AC_SUBST(ns_appresdir)
4497 AC_SUBST(GNU_OBJC_CFLAGS)
4498 AC_SUBST(OTHER_FILES)
4500 if test -n "${term_header}"; then
4501 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4502 [Define to the header for the built-in window system.])
4505 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4506 [Define to the canonical Emacs configuration name.])
4507 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4508 [Define to the options passed to configure.])
4509 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4510 define this to include extra configuration information.])
4514 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4521 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4522 AC_DEFINE(HAVE_X_WINDOWS, 1,
4523 [Define to 1 if you want to use the X window system.])
4525 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4527 if test "$HAVE_XFT" = "yes"; then
4528 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4529 elif test "$HAVE_FREETYPE" = "yes"; then
4530 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4540 if test "${USE_X_TOOLKIT}" != "none" ; then
4542 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4543 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4544 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4545 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4546 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4550 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4551 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4555 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4556 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4557 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4561 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4562 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4565 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4568 AC_SUBST(WIDGET_OBJ)
4571 case "$USE_X_TOOLKIT" in
4572 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4573 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4574 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4576 AC_SUBST(TOOLKIT_LIBW)
4578 if test "${opsys}" != "mingw32"; then
4579 if test "$USE_X_TOOLKIT" = "none"; then
4580 LIBXT_OTHER="\$(LIBXSM)"
4581 OLDXMENU_TARGET="really-oldXMenu"
4583 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4584 OLDXMENU_TARGET="really-lwlib"
4587 AC_SUBST(LIBXT_OTHER)
4589 ## The X Menu stuff is present in the X10 distribution, but missing
4590 ## from X11. If we have X10, just use the installed library;
4591 ## otherwise, use our own copy.
4592 if test "${HAVE_X11}" = "yes" ; then
4593 AC_DEFINE(HAVE_X11, 1,
4594 [Define to 1 if you want to use version 11 of X windows.
4595 Otherwise, Emacs expects to use version 10.])
4597 if test "$USE_X_TOOLKIT" = "none"; then
4598 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4600 OLDXMENU="\${lwlibdir}/liblw.a"
4602 LIBXMENU="\$(OLDXMENU)"
4603 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4604 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4606 ## For a syntactically valid Makefile; not actually used for anything.
4607 ## See comments in src/Makefile.in.
4609 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4610 if test "${HAVE_X_WINDOWS}" = "yes"; then
4619 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4626 AC_SUBST(OLDXMENU_TARGET)
4629 AC_SUBST(LIBX_OTHER)
4630 AC_SUBST(OLDXMENU_DEPS)
4632 if test "${HAVE_MENUS}" = "yes" ; then
4633 AC_DEFINE(HAVE_MENUS, 1,
4634 [Define to 1 if you have mouse menus.
4635 (This is automatic if you use X, but the option to specify it remains.)
4636 It is also defined with other window systems that support xmenu.c.])
4639 if test "${GNU_MALLOC}" = "yes" ; then
4640 AC_DEFINE(GNU_MALLOC, 1,
4641 [Define to 1 if you want to use the GNU memory allocator.])
4645 if test "${REL_ALLOC}" = "yes" ; then
4646 AC_DEFINE(REL_ALLOC, 1,
4647 [Define REL_ALLOC if you want to use the relocating allocator for
4650 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4652 AC_SUBST(RALLOC_OBJ)
4654 if test "$opsys" = "cygwin"; then
4655 CYGWIN_OBJ="sheap.o cygw32.o"
4656 ## Cygwin differs because of its unexec().
4658 POST_ALLOC_OBJ=lastfile.o
4659 elif test "$opsys" = "mingw32"; then
4662 POST_ALLOC_OBJ=lastfile.o
4665 PRE_ALLOC_OBJ=lastfile.o
4668 AC_SUBST(CYGWIN_OBJ)
4669 AC_SUBST(PRE_ALLOC_OBJ)
4670 AC_SUBST(POST_ALLOC_OBJ)
4672 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4673 # it temporarily reverts them to their pre-pkg-config values,
4674 # because gnulib needs to work with both src (which uses the
4675 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4676 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4677 # and it therefore needs to run in an environment where LIBS does not
4678 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4679 # for some package unrelated to lib-src.
4682 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4683 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4684 gl_ASSERT_NO_GNULIB_POSIXCHECK
4685 gl_ASSERT_NO_GNULIB_TESTS
4690 if test "${opsys}" = "mingw32"; then
4691 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I $srcdir/nt/inc"
4692 # Remove unneeded switches from the value of CC that goes to Makefiles
4693 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4697 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4700 ## The -headerpad option tells ld (see man page) to leave room at the
4701 ## end of the header for adding load commands. Needed for dumping.
4702 ## 0x690 is the total size of 30 segment load commands (at 56
4703 ## each); under Cocoa 31 commands are required.
4704 if test "$HAVE_NS" = "yes"; then
4705 libs_nsgui="-framework AppKit"
4706 if test "$NS_IMPL_COCOA" = "yes"; then
4707 libs_nsgui="$libs_nsgui -framework IOKit"
4714 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4716 ## This is here because src/Makefile.in did some extra fiddling around
4717 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4718 ## LD_SWITCH_SYSTEM_TEMACS instead,
4719 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4720 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4723 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4724 ## find X at run-time.
4725 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4726 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4727 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4728 ## had different values in configure (in ac_link) and src/Makefile.in.
4729 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4730 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4733 ## MinGW64 does not prepend an underscore to symbols, so we must
4734 ## pass a different -entry switch to linker. FIXME: It is better
4735 ## to make the entry points the same by changing unexw32.c.
4736 case "$canonical" in
4737 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4738 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4742 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4744 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4747 if test x$ac_enable_profiling != x ; then
4749 *freebsd | gnu-linux) ;;
4750 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4754 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4756 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4758 ## MinGW-specific post-link processing of temacs.
4759 TEMACS_POST_LINK=":"
4762 if test "${opsys}" = "mingw32"; then
4763 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4764 ADDSECTION="../nt/addsection\$(EXEEXT)"
4765 ## Preload heap size of temacs.exe in MB.
4766 case "$canonical" in
4767 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4768 *) EMACS_HEAPSIZE=27 ;;
4772 AC_SUBST(ADDSECTION)
4773 AC_SUBST(TEMACS_POST_LINK)
4774 AC_SUBST(EMACS_HEAPSIZE)
4776 ## Common for all window systems
4777 if test "$window_system" != "none"; then
4778 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4779 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4782 AC_SUBST(WINDOW_SYSTEM_OBJ)
4784 AH_TOP([/* GNU Emacs site configuration template file.
4786 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4787 Free Software Foundation, Inc.
4789 This file is part of GNU Emacs.
4791 GNU Emacs is free software: you can redistribute it and/or modify
4792 it under the terms of the GNU General Public License as published by
4793 the Free Software Foundation, either version 3 of the License, or
4794 (at your option) any later version.
4796 GNU Emacs is distributed in the hope that it will be useful,
4797 but WITHOUT ANY WARRANTY; without even the implied warranty of
4798 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4799 GNU General Public License for more details.
4801 You should have received a copy of the GNU General Public License
4802 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4805 /* No code in Emacs #includes config.h twice, but some bits of code
4806 intended to work with other packages as well (like gmalloc.c)
4807 think they can include it as many times as they like. */
4808 #ifndef EMACS_CONFIG_H
4809 #define EMACS_CONFIG_H
4812 AH_BOTTOM([#include <conf_post.h>
4814 #endif /* EMACS_CONFIG_H */
4823 #### Report on what we decided to do.
4824 #### Report GTK as a toolkit, even if it doesn't use Xt.
4825 #### It makes printing result more understandable as using GTK sets
4826 #### toolkit_scroll_bars to yes by default.
4827 if test "${HAVE_GTK}" = "yes"; then
4828 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4831 if test $USE_ACL -ne 0; then
4832 acl_summary="yes $LIB_ACL"
4838 Configured for \`${canonical}'.
4840 Where should the build process find the source code? ${srcdir}
4841 What compiler should emacs be built with? ${CC} ${CFLAGS}
4842 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4843 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4844 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4845 What window system should Emacs use? ${window_system}
4846 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4848 if test -n "${x_includes}"; then
4849 echo " Where do we find X Windows header files? ${x_includes}"
4851 echo " Where do we find X Windows header files? Standard dirs"
4853 if test -n "${x_libraries}"; then
4854 echo " Where do we find X Windows libraries? ${x_libraries}"
4856 echo " Where do we find X Windows libraries? Standard dirs"
4859 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4860 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4861 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4862 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4863 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4864 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4865 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4866 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4868 echo " Does Emacs support sound? ${HAVE_SOUND}"
4870 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4871 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4872 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4873 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4874 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4875 echo " Does Emacs use access control lists? ${acl_summary}"
4876 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4877 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4878 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4880 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4881 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4882 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4883 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4884 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4886 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4889 if test -n "${EMACSDATA}"; then
4890 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4892 if test -n "${EMACSDOC}"; then
4893 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4898 if test "$HAVE_NS" = "yes"; then
4900 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4901 The installed application will go to nextstep/Emacs.app and can be
4902 run or moved from there."
4903 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4904 echo "The application will be fully self-contained."
4906 echo "The lisp resources for the application will be installed under ${prefix}.
4907 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4908 to run if these resources are not installed."
4913 if test "${opsys}" = "cygwin"; then
4915 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4921 # Remove any trailing slashes in these variables.
4922 [test "${prefix}" != NONE &&
4923 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4924 test "${exec_prefix}" != NONE &&
4925 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4927 if test "$HAVE_NS" = "yes"; then
4928 if test "$NS_IMPL_GNUSTEP" = yes; then
4929 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4930 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4931 ns_check_file=Resources/Info-gnustep.plist
4933 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4934 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4935 ns_check_file=Contents/Info.plist
4937 AC_SUBST(ns_check_file)
4940 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4941 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4942 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4943 dnl (else you get "no `Makefile.am' found for any configure output").
4944 dnl This will work, but you get a config.status that is not quite right
4945 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4946 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4947 dnl it seems better to just live with the duplication.
4948 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
4950 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4951 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4952 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4953 leim/Makefile nextstep/Makefile nt/Makefile])
4955 dnl test/ is not present in release tarfiles.
4956 opt_makefile=test/automated/Makefile
4958 if test -f "$srcdir/$opt_makefile.in"; then
4959 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4960 dnl Again, it's best not to use a variable. Though you can add
4961 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4962 AC_CONFIG_FILES([test/automated/Makefile])
4966 dnl admin/ may or may not be present.
4967 opt_makefile=admin/unidata/Makefile
4969 if test -f "$srcdir/$opt_makefile.in"; then
4970 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4971 AC_CONFIG_FILES([admin/unidata/Makefile])
4975 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4977 AC_SUBST(SUBDIR_MAKEFILES_IN)
4979 dnl You might wonder (I did) why epaths.h is generated by running make,
4980 dnl rather than just letting configure generate it from epaths.in.
4981 dnl One reason is that the various paths are not fully expanded (see above);
4982 dnl eg gamedir=${prefix}/var/games/emacs.
4983 dnl Secondly, the GNU Coding standards require that one should be able
4984 dnl to run `make prefix=/some/where/else' and override the values set
4985 dnl by configure. This also explains the `move-if-change' test and
4986 dnl the use of force in the `epaths-force' rule in Makefile.in.
4987 AC_CONFIG_COMMANDS([src/epaths.h], [
4988 if test "${opsys}" = "mingw32"; then
4989 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
4991 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4993 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
4995 AC_CONFIG_COMMANDS([src/.gdbinit], [
4996 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
4997 echo "source $srcdir/src/.gdbinit" > src/.gdbinit