1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2014 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 24.4.50, bug-gnu-emacs@gnu.org)
28 dnl We get MINGW64 with MSYS2
29 if test "x$MSYSTEM" = "xMINGW32" -o "x$MSYSTEM" = "xMINGW64"
31 . $srcdir/nt/mingw-cfg.site
35 # srcdir is an absolute path. In this case, force the format
36 # "/c/foo/bar", to simplify later conversions to native Windows
37 # format ("c:/foo/bar")
38 srcdir=`cd "${srcdir}" && pwd -W`
39 srcdir="/${srcdir:0:1}${srcdir:2}"
44 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
45 dnl and then quoted again for a C string. Separate options with spaces.
46 dnl Add some environment variables, if they were passed via the environment
47 dnl rather than on the command-line.
50 dnl This is the documented way to record the args passed to configure,
51 dnl rather than $ac_configure_args.
52 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
54 -n | --no-create | --no-recursion)
56 CFLAGS | CPPFLAGS | LDFLAGS)
57 eval 'test "${'$opt'+set}" = set' || continue
59 *" $opt="*) continue ;;
61 eval opt=$opt=\$$opt ;;
64 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
66 *[["$emacs_shell_specials"]]*)
69 emacs_quote_apostrophes="s/'/'\\\\''/g"
70 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
75 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
76 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
79 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
83 AC_CONFIG_HEADERS(src/config.h:src/config.in)
84 AC_CONFIG_SRCDIR(src/lisp.h)
85 AC_CONFIG_AUX_DIR(build-aux)
88 AC_CHECK_PROGS(XCRUN, [xcrun])
89 if test -n "$XCRUN"; then
90 if test -z "$MAKE"; then
91 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
92 dnl SET_MAKE and with the usual MAKE variable that 'make' itself uses.
93 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
94 if test -z "$MAKE_PROG"; then
97 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
102 dnl Fairly arbitrary, older versions might work too.
103 AM_INIT_AUTOMAKE(1.11)
105 dnl Support for --program-prefix, --program-suffix and
106 dnl --program-transform-name options
109 dnl It is important that variables on the RHS not be expanded here,
110 dnl hence the single quotes. This is per the GNU coding standards, see
111 dnl (autoconf) Installation Directory Variables
112 dnl See also epaths.h below.
113 lispdir='${datadir}/emacs/${version}/lisp'
114 standardlisppath='${lispdir}'
115 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
116 '${datadir}/emacs/site-lisp'
117 lisppath='${locallisppath}:${standardlisppath}'
118 etcdir='${datadir}/emacs/${version}/etc'
119 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
120 etcdocdir='${datadir}/emacs/${version}/etc'
121 gamedir='${localstatedir}/games/emacs'
123 dnl Special option to disable the most of other options.
125 [AS_HELP_STRING([--without-all],
126 [omit almost all features and build
127 small executable with minimal dependencies])],
128 [with_features=$withval],
131 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
132 dnl Create a new --with option that defaults to being disabled.
133 dnl NAME is the base name of the option. The shell variable with_NAME
134 dnl will be set to either the user's value (if the option is
135 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
136 dnl option is not specified). Note that the shell variable name is
137 dnl constructed as autoconf does, by replacing non-alphanumeric
138 dnl characters with "_".
139 dnl HELP-STRING is the help text for the option.
140 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
141 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
142 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
145 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
146 dnl Create a new --with option that defaults to $with_features.
147 dnl NAME is the base name of the option. The shell variable with_NAME
148 dnl will be set either to 'no' (for a plain --without-NAME) or to
149 dnl 'yes' (if the option is not specified). Note that the shell
150 dnl variable name is constructed as autoconf does, by replacing
151 dnl non-alphanumeric characters with "_".
152 dnl HELP-STRING is the help text for the option.
153 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
154 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
155 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
158 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
159 if test "$with_pop" = yes; then
160 AC_DEFINE(MAIL_USE_POP)
162 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
164 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
165 if test "$with_kerberos" != no; then
168 AH_TEMPLATE(KERBEROS,
169 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
171 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
172 if test "${with_kerberos5}" != no; then
173 if test "${with_kerberos}" = no; then
177 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
180 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
181 dnl FIXME hesiod support may not be present, so it seems like an error
182 dnl to define, or at least use, this unconditionally.
183 if test "$with_hesiod" != no; then
184 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
187 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
188 if test "$with_mmdf" != no; then
189 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
192 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
193 if test "$with_mail_unlink" != no; then
194 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
197 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
198 [string giving default POP mail host])],
199 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
201 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
202 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
203 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
204 [ case "${withval}" in
205 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
206 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
207 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
212 [with_sound=$with_features])
214 dnl FIXME currently it is not the last.
215 dnl This should be the last --with option, because --with-x is
216 dnl added later on when we find the file name of X, and it's best to
217 dnl keep them together visually.
218 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
219 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
220 [ case "${withval}" in
221 y | ye | yes ) val=gtk ;;
223 l | lu | luc | luci | lucid ) val=lucid ;;
224 a | at | ath | athe | athen | athena ) val=athena ;;
225 m | mo | mot | moti | motif ) val=motif ;;
226 g | gt | gtk ) val=gtk ;;
230 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
231 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
232 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
233 `athena' and `lucid' are synonyms.])
239 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
240 if test "$with_wide_int" = yes; then
241 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
244 dnl _ON results in a '--without' option in the --help output, so
245 dnl the help text should refer to "don't compile", etc.
246 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
247 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
248 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
249 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
250 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
251 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
252 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
253 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
255 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
256 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
257 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
259 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
260 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
261 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
262 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
263 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
265 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
266 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
267 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
268 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
269 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
270 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
271 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
273 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
274 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
275 [ case "${withval}" in
276 y | ye | yes ) val=yes ;;
278 g | gf | gfi | gfil | gfile ) val=gfile ;;
279 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
280 w | w3 | w32 ) val=w32 ;;
281 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
282 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
283 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
284 otherwise for the first of `gfile' or `inotify' that is usable.])
287 with_file_notification=$val
289 [with_file_notification=$with_features])
291 ## For the times when you want to build Emacs but don't have
292 ## a suitable makeinfo, and can live without the manuals.
293 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
294 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
296 ## Makefile.in needs the cache file name.
299 ## This is an option because I do not know if all info/man support
300 ## compressed files, nor how to test if they do so.
301 OPTION_DEFAULT_ON([compress-install],
302 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
303 make GZIP_PROG= install])
305 AC_ARG_WITH([pkg-config-prog],dnl
306 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
307 [file name of pkg-config for finding GTK and librsvg])])
308 if test "X${with_pkg_config_prog}" != X; then
309 if test "${with_pkg_config_prog}" != yes; then
310 PKG_CONFIG="${with_pkg_config_prog}"
314 AC_ARG_WITH(gameuser,dnl
315 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
316 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
317 && gameuser="${with_gameuser}"
318 test "X$gameuser" = X && gameuser=games
320 AC_ARG_WITH([gnustep-conf],dnl
321 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
322 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
323 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
324 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
325 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
326 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
328 AC_ARG_ENABLE(ns-self-contained,
329 [AS_HELP_STRING([--disable-ns-self-contained],
330 [disable self contained build under NeXTstep])],
331 EN_NS_SELF_CONTAINED=$enableval,
332 EN_NS_SELF_CONTAINED=yes)
334 AC_ARG_ENABLE(locallisppath,
335 [AS_HELP_STRING([--enable-locallisppath=PATH],
336 [directories Emacs should search for lisp files specific
338 if test "${enableval}" = "no"; then
340 elif test "${enableval}" != "yes"; then
341 locallisppath=${enableval}
344 AC_ARG_ENABLE(checking,
345 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
346 [enable expensive run-time checks. With LIST,
347 enable only specific categories of checks.
348 Categories are: all,yes,no.
349 Flags are: stringbytes, stringoverrun, stringfreelist,
350 xmallocoverrun, conslist, glyphs])],
351 [ac_checking_flags="${enableval}"],[])
352 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
353 for check in $ac_checking_flags
356 # these set all the flags to specific states
357 yes) ac_enable_checking=1 ;;
358 no) ac_enable_checking= ;
359 ac_gc_check_stringbytes= ;
360 ac_gc_check_string_overrun= ;
361 ac_gc_check_string_free_list= ;
362 ac_xmalloc_overrun= ;
363 ac_gc_check_cons_list= ;
365 all) ac_enable_checking=1 ;
366 ac_gc_check_stringbytes=1 ;
367 ac_gc_check_string_overrun=1 ;
368 ac_gc_check_string_free_list=1 ;
369 ac_xmalloc_overrun=1 ;
370 ac_gc_check_cons_list=1 ;
372 # these enable particular checks
373 stringbytes) ac_gc_check_stringbytes=1 ;;
374 stringoverrun) ac_gc_check_string_overrun=1 ;;
375 stringfreelist) ac_gc_check_string_free_list=1 ;;
376 xmallocoverrun) ac_xmalloc_overrun=1 ;;
377 conslist) ac_gc_check_cons_list=1 ;;
378 glyphs) ac_glyphs_debug=1 ;;
379 *) AC_MSG_ERROR(unknown check category $check) ;;
384 if test x$ac_enable_checking != x ; then
385 AC_DEFINE(ENABLE_CHECKING, 1,
386 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
388 if test x$ac_gc_check_stringbytes != x ; then
389 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
390 [Define this temporarily to hunt a bug. If defined, the size of
391 strings is redundantly recorded in sdata structures so that it can
392 be compared to the sizes recorded in Lisp strings.])
394 if test x$ac_gc_check_string_overrun != x ; then
395 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
396 [Define this to check for short string overrun.])
398 if test x$ac_gc_check_string_free_list != x ; then
399 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
400 [Define this to check the string free list.])
402 if test x$ac_xmalloc_overrun != x ; then
403 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
404 [Define this to check for malloc buffer overrun.])
406 if test x$ac_gc_check_cons_list != x ; then
407 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
408 [Define this to check for errors in cons list.])
410 if test x$ac_glyphs_debug != x ; then
411 AC_DEFINE(GLYPH_DEBUG, 1,
412 [Define this to enable glyphs debugging code.])
415 AC_ARG_ENABLE(check-lisp-object-type,
416 [AS_HELP_STRING([--enable-check-lisp-object-type],
417 [enable compile time checks for the Lisp_Object data type.
418 This is useful for development for catching certain types of bugs.])],
419 if test "${enableval}" != "no"; then
420 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
421 [Define this to enable compile time checks for the Lisp_Object data type.])
425 dnl The name of this option is unfortunate. It predates, and has no
426 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
427 dnl Actually, it stops it working.
428 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
429 AC_ARG_ENABLE(profiling,
430 [AS_HELP_STRING([--enable-profiling],
431 [build emacs with low-level, gprof profiling support.
432 Mainly useful for debugging Emacs itself. May not work on
433 all platforms. Stops profiler.el working.])],
434 [ac_enable_profiling="${enableval}"],[])
435 if test x$ac_enable_profiling != x ; then
436 PROFILING_CFLAGS="-DPROFILING=1 -pg"
440 AC_SUBST(PROFILING_CFLAGS)
442 AC_ARG_ENABLE(autodepend,
443 [AS_HELP_STRING([--enable-autodepend],
444 [automatically generate dependencies to .h-files.
445 Requires gcc, enabled if found.])],
446 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
448 AC_ARG_ENABLE(gtk-deprecation-warnings,
449 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
450 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
451 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
453 ### Canonicalize the configuration name.
457 configuration=${host_alias-${build_alias-$host}}
459 dnl This used to use changequote, but, apart from `changequote is evil'
460 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
461 dnl the great gob of text. Thus it's not processed for possible expansion.
462 dnl Just make sure the brackets remain balanced.
464 dnl Since Emacs can't find matching pairs of quotes, boundaries are
465 dnl indicated by comments.
469 ### If you add support for a new configuration, add code to this
470 ### switch statement to recognize your configuration name and select
471 ### the appropriate opsys.
473 ### As far as handling version numbers on operating systems is
474 ### concerned, make sure things will fail in a fixable way. If
475 ### /etc/MACHINES doesn't say anything about version numbers, be
476 ### prepared to handle anything reasonably. If version numbers
477 ### matter, be sure /etc/MACHINES says something about it.
480 case "${canonical}" in
482 ## GNU/Linux and similar ports
497 ## FreeBSD kernel + glibc based userland
512 ## Apple Darwin / Mac OS X
514 case "${canonical}" in
521 ## Use fink packages if available.
522 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
523 ## if test -d /sw/include && test -d /sw/lib; then
524 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
525 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
534 ## HP 9000 series 700 and 800, running HP/UX
538 hppa*-hp-hpux1[1-9]* )
540 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
544 rs6000-ibm-aix4.[23]* )
547 powerpc-ibm-aix4.[23]* )
550 rs6000-ibm-aix[56]* )
553 powerpc-ibm-aix[56]* )
557 ## Silicon Graphics machines
561 # Without defining _LANGUAGE_C, things get masked out in the headers
562 # so that, for instance, grepping for `free' in stdlib.h fails and
563 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
564 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
569 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
570 | x86_64-*-solaris2* | x86_64-*-sunos5*)
571 case "${canonical}" in
573 amd64-*-*|x86_64-*-*) ;;
577 case "${canonical}" in
578 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
580 emacs_check_sunpro_c=yes
582 *-sunos5.6* | *-solaris2.6* )
586 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
588 emacs_check_sunpro_c=yes
591 ## Watch out for a compiler that we know will not work.
592 case "${canonical}" in
593 *-solaris* | *-sunos5* )
594 if [ "x$CC" = x/usr/ucb/cc ]; then
595 ## /usr/ucb/cc doesn't work;
596 ## we should find some other compiler that does work.
604 ## Intel 386 machines where we don't care about the manufacturer.
606 case "${canonical}" in
607 *-darwin* ) opsys=darwin ;;
610 # MinGW overrides and adds some system headers in nt/inc.
611 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
613 *-sysv4.2uw* ) opsys=unixware ;;
614 *-sysv5uw* ) opsys=unixware ;;
615 *-sysv5OpenUNIX* ) opsys=unixware ;;
616 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
622 case "${canonical}" in
625 # MinGW overrides and adds some system headers in nt/inc.
626 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
628 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
637 ### If the code above didn't choose an operating system, just choose
638 ### an operating system based on the configuration name. You really
639 ### only want to use this when you have no idea what the right
640 ### operating system is; if you know what operating systems a machine
641 ### runs, it's cleaner to make it explicit in the case statement
643 if test x"${opsys}" = x; then
644 case "${canonical}" in
645 *-gnu* ) opsys=gnu ;;
655 if test $unported = yes; then
656 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
657 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
658 Check `etc/MACHINES' for recognized configuration names.])
662 AC_MSG_CHECKING([whether we are using GNU Make])
663 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
664 if test "x$testval" != x; then
668 AC_MSG_ERROR([Building Emacs requires GNU make.
669 If you have it installed under another name, configure with 'MAKE=...'.
670 For example, run './configure MAKE=gmake'.])
674 #### Choose a compiler.
676 dnl Sets GCC=yes if using gcc.
677 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
678 if test -n "$XCRUN"; then
679 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
680 test -n "$AR" && export AR
685 if test x$GCC = xyes; then
686 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
688 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
691 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
692 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
693 dnl that clash with MinGW.
694 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
696 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
697 AC_DEFUN([gl_CRYPTO_CHECK])
698 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
699 # as we don't use them.
700 AC_DEFUN([gl_FCNTL_O_FLAGS])
701 # Avoid gnulib's threadlib module, as we do threads our own way.
702 AC_DEFUN([gl_THREADLIB])
704 # Initialize gnulib right after choosing the compiler.
705 dnl Amongst other things, this sets AR and ARFLAGS.
708 if test "$ac_test_CFLAGS" != set; then
709 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
710 # if -g3 works and the user does not specify CFLAGS.
711 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
714 emacs_g3_CFLAGS='-g3';;
716 emacs_g3_CFLAGS='-g3 -O2';;
720 if test -n "$emacs_g3_CFLAGS"; then
721 emacs_save_CFLAGS=$CFLAGS
722 CFLAGS=$emacs_g3_CFLAGS
723 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
724 [emacs_cv_prog_cc_g3],
725 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
726 [emacs_cv_prog_cc_g3=yes],
727 [emacs_cv_prog_cc_g3=no])])
728 if test $emacs_cv_prog_cc_g3 != yes; then
729 CFLAGS=$emacs_save_CFLAGS
731 if test $opsys = mingw32; then
732 CFLAGS="$CFLAGS -gdwarf-2"
739 # No optimization flag was inferred for this non-GCC compiler.
740 # Try -O. This is needed for xlc on AIX; see Bug#14258.
741 emacs_save_CFLAGS=$CFLAGS
742 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
744 AC_CACHE_CHECK([whether $CC accepts -O],
745 [emacs_cv_prog_cc_o],
746 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
747 [emacs_cv_prog_cc_o=yes],
748 [emacs_cv_prog_cc_o=no])])
749 if test $emacs_cv_prog_cc_o != yes; then
750 CFLAGS=$emacs_save_CFLAGS
755 AC_ARG_ENABLE([gcc-warnings],
756 [AS_HELP_STRING([--enable-gcc-warnings],
757 [turn on lots of GCC warnings/errors. This is intended for
758 developers, and may generate false alarms when used
759 with older or non-GNU development tools.])],
762 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
764 gl_gcc_warnings=$enableval],
768 AC_ARG_ENABLE(link-time-optimization,
769 [AS_HELP_STRING([--enable-link-time-optimization],
770 [build emacs with link-time optimization.
771 This is supported only for GCC since 4.5.0.])],
772 if test "${enableval}" != "no"; then
773 AC_MSG_CHECKING([whether link-time optimization is supported])
775 if test x$GCC = xyes; then
776 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
777 if test x$CPUS != x; then
783 CFLAGS="$CFLAGS $LTO"
784 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
785 [ac_lto_supported=yes], [ac_lto_supported=no])
788 AC_MSG_RESULT([$ac_lto_supported])
789 if test "$ac_lto_supported" = "yes"; then
790 CFLAGS="$CFLAGS $LTO"
794 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
795 # ------------------------------------------------
796 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
797 # Otherwise, run RUN-IF-NOT-FOUND.
798 AC_DEFUN([gl_GCC_VERSION_IFELSE],
802 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
805 # error "your version of gcc is older than $1.$2"
812 # clang is unduly picky about some things.
813 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
820 [emacs_cv_clang=yes],
821 [emacs_cv_clang=no])])
823 # When compiling with GCC, prefer -isystem to -I when including system
824 # include files, to avoid generating useless diagnostics for the files.
825 if test "$gl_gcc_warnings" != yes; then
827 if test "$emacs_cv_clang" = yes
829 # Turn off some warnings if supported.
830 gl_WARN_ADD([-Wno-switch])
831 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
832 gl_WARN_ADD([-Wno-pointer-sign])
837 # This, $nw, is the list of warnings we disable.
840 case $with_x_toolkit in
841 lucid | athena | motif)
842 # Old toolkits mishandle 'const'.
843 nw="$nw -Wwrite-strings"
846 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
849 AC_SUBST([WERROR_CFLAGS])
851 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
852 nw="$nw -Woverlength-strings" # Not a problem these days
853 nw="$nw -Wlogical-op" # any use of fwrite provokes this
854 nw="$nw -Wformat-nonliteral" # we do this a lot
855 nw="$nw -Wvla" # warnings in gettext.h
856 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
857 nw="$nw -Wswitch-default" # Too many warnings for now
858 nw="$nw -Winline" # OK to ignore 'inline'
859 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
860 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
861 # signed overflow has undefined behavior
862 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
863 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
864 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
866 # Emacs doesn't care about shadowing; see
867 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
870 # Emacs's use of alloca inhibits protecting the stack.
871 nw="$nw -Wstack-protector"
873 # The following line should be removable at some point.
874 nw="$nw -Wsuggest-attribute=pure"
876 # This part is merely for shortening the command line,
877 # since -Wno-FOO needs to be added below regardless.
878 nw="$nw -Wmissing-field-initializers"
880 nw="$nw -Wtype-limits"
881 nw="$nw -Wunused-parameter"
883 if test $emacs_cv_clang = yes; then
884 nw="$nw -Wcast-align"
887 gl_MANYWARN_ALL_GCC([ws])
888 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
892 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
893 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
894 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
895 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
896 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
897 gl_WARN_ADD([-Wno-format-nonliteral])
899 # In spite of excluding -Wlogical-op above, it is enabled, as of
900 # gcc 4.5.0 20090517.
901 gl_WARN_ADD([-Wno-logical-op])
903 # More things that clang is unduly picky about.
904 if test $emacs_cv_clang = yes; then
905 gl_WARN_ADD([-Wno-format-extra-args])
906 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
907 gl_WARN_ADD([-Wno-unused-command-line-argument])
908 gl_WARN_ADD([-Wno-unused-value])
911 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
912 AH_VERBATIM([FORTIFY_SOURCE],
913 [/* Enable compile-time and run-time bounds-checking, and some warnings,
914 without upsetting glibc 2.15+. */
915 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
916 # define _FORTIFY_SOURCE 2
919 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
921 # We use a slightly smaller set of warning options for lib/.
922 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
924 nw="$nw -Wunused-macros"
926 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
927 AC_SUBST([GNULIB_WARN_CFLAGS])
932 dnl Some other nice autoconf tests.
933 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
936 dnl if test "x$RANLIB" = x; then
941 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
942 dnl can be made to directories. This is not relevant for our usage, and
943 dnl excludes some cases that work fine for us. Eg MS Windows or files
944 dnl hosted on AFS, both examples where simple links work, but links to
945 dnl directories fail. We use a cut-down version instead.
948 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
949 rm -f conf$$ conf$$.file
951 LN_S_FILEONLY='cp -p'
953 if (echo >conf$$.file) 2>/dev/null; then
954 if ln -s conf$$.file conf$$ 2>/dev/null; then
955 LN_S_FILEONLY='ln -s'
956 elif ln conf$$.file conf$$ 2>/dev/null; then
961 rm -f conf$$ conf$$.file
963 if test "$LN_S_FILEONLY" = "ln -s"; then
966 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
969 AC_SUBST(LN_S_FILEONLY)
972 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
973 dnl doesn't support links to directories, as in "ln file dir". But that
974 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
975 dnl executables at "make install" time.
976 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
977 dnl for more details.
978 if test "$opsys" = "mingw32"; then
982 AC_PATH_PROG(INSTALL_INFO, install-info, :,
983 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
984 dnl Don't use GZIP, which is used by gzip for additional parameters.
985 AC_PATH_PROG(GZIP_PROG, gzip)
987 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
988 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
990 if test $opsys = gnu-linux; then
991 AC_PATH_PROG(PAXCTL, paxctl,,
992 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
993 if test "X$PAXCTL" != X; then
994 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
995 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
996 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
997 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1000 if test "${SETFATTR+set}" != set; then
1001 AC_CACHE_CHECK([for setfattr],
1002 [emacs_cv_prog_setfattr],
1004 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1005 emacs_cv_prog_setfattr=yes
1007 emacs_cv_prog_setfattr=no
1009 if test "$emacs_cv_prog_setfattr" = yes; then
1015 AC_SUBST([SETFATTR])
1019 ## Need makeinfo >= 4.7 (?) to build the manuals.
1020 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1021 dnl By this stage, configure has already checked for egrep and set EGREP,
1022 dnl or exited with an error if no egrep was found.
1023 if test "$MAKEINFO" != "no"; then
1025 $MAKEINFO --version 2> /dev/null |
1026 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1032 ## Makeinfo is unusual. For a released Emacs, the manuals are
1033 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1034 ## therefore in the category of "special tools" not normally required, which
1035 ## configure does not have to check for (eg autoconf itself).
1036 ## In a repository checkout on the other hand, the manuals are not included.
1037 ## So makeinfo is a requirement to build from the repository, and configure
1038 ## should test for it as it does for any other build requirement.
1039 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1040 ## with pre-built manuals, from a repository checkout.
1043 if test "$MAKEINFO" = "no"; then
1045 if test "x${with_makeinfo}" = "xno"; then
1047 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1048 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1049 source tree does not seem to have pre-built manuals in the `info' directory.
1050 Either install a suitable version of makeinfo, or re-run configure
1051 with the `--without-makeinfo' option to build without the manuals.] )
1054 AC_SUBST(HAVE_MAKEINFO)
1056 dnl Just so that there is only a single place we need to edit.
1058 INFO_OPTS=--no-split
1062 if test $opsys = mingw32; then
1063 DOCMISC_W32=efaq-w32
1067 AC_SUBST(DOCMISC_W32)
1069 dnl Add our options to ac_link now, after it is set up.
1071 if test x$GCC = xyes; then
1072 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1073 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1075 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1076 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1079 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1080 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1081 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1082 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1083 dnl if not built to support GNU ld.
1085 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1086 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1087 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1088 dnl Eg "make LDFLAGS=... all" could run into problems,
1089 dnl http://bugs.debian.org/684788
1090 dnl * unnecessary, since temacs is the only thing that actually needs it.
1091 dnl Indeed this is where it was originally, prior to:
1092 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1093 late_LDFLAGS="$LDFLAGS"
1094 if test x$GCC = xyes; then
1095 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1097 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1100 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1102 AC_MSG_CHECKING([for -znocombreloc])
1103 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1104 [AC_MSG_RESULT(yes)],
1105 LDFLAGS_NOCOMBRELOC=
1106 [AC_MSG_RESULT(no)])
1108 LDFLAGS="$late_LDFLAGS"
1110 AC_CACHE_CHECK([whether addresses are sanitized],
1111 [emacs_cv_sanitize_address],
1114 [[#ifndef __has_feature
1115 #define __has_feature(f) 0
1117 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1119 #error "Addresses are not sanitized."
1122 [emacs_cv_sanitize_address=yes],
1123 [emacs_cv_sanitize_address=no])])
1125 dnl The function dump-emacs will not be defined and temacs will do
1126 dnl (load "loadup") automatically unless told otherwise.
1127 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1129 your-opsys-here) CANNOT_DUMP=yes ;;
1132 if test "$CANNOT_DUMP" = "yes"; then
1133 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1134 elif test "$emacs_cv_sanitize_address" = yes; then
1135 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1138 AC_SUBST(CANNOT_DUMP)
1141 UNEXEC_OBJ=unexelf.o
1143 # MSDOS uses unexcoff.o
1145 UNEXEC_OBJ=unexaix.o
1151 UNEXEC_OBJ=unexmacosx.o
1154 UNEXEC_OBJ=unexhp9k800.o
1157 UNEXEC_OBJ=unexw32.o
1160 # Use the Solaris dldump() function, called from unexsol.c, to dump
1161 # emacs, instead of the generic ELF dump code found in unexelf.c.
1162 # The resulting binary has a complete symbol table, and is better
1163 # for debugging and other observability tools (debuggers, pstack, etc).
1165 # If you encounter a problem using dldump(), please consider sending
1166 # a message to the OpenSolaris tools-linking mailing list:
1167 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1169 # It is likely that dldump() works with older Solaris too, but this has
1170 # not been tested, so for now this change is for Solaris 10 or newer.
1171 UNEXEC_OBJ=unexsol.o
1178 ## Let `ld' find image libs and similar things in /usr/local/lib.
1179 ## The system compiler, GCC, has apparently been modified to not
1180 ## look there, contrary to what a stock GCC would do.
1181 ### It's not our place to do this. See bug#10313#17.
1182 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1187 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1188 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1192 ### It's not our place to do this. See bug#10313#17.
1193 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1198 ## Han Boetes <han@boetes.org> says this is necessary,
1199 ## otherwise Emacs dumps core on elf systems.
1200 LD_SWITCH_SYSTEM="-Z"
1203 AC_SUBST(LD_SWITCH_SYSTEM)
1205 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1207 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1208 ## which has not been defined yet. When this was handled with cpp,
1209 ## it was expanded to null when configure sourced the s/*.h file.
1210 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1211 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1212 ## (or somesuch), but because it is supposed to go at the _front_
1213 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1214 ## Compare with the gnu-linux case below, which added to the end
1215 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1216 ## LD_SWITCH_SYSTEM_TEMACS.
1219 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1226 AC_CHECK_DECL([__ELF__])
1227 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1228 ## With ELF, make sure that all common symbols get allocated to in the
1229 ## data section. Otherwise, the dump of temacs may miss variables in
1230 ## the shared library that have been initialized. For example, with
1231 ## GNU libc, __malloc_initialized would normally be resolved to the
1232 ## shared library's .bss section, which is fatal.
1233 if test "x$GCC" = "xyes"; then
1234 C_SWITCH_MACHINE="-fno-common"
1236 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1239 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1240 dnl albeit under the mistaken assumption that said file
1241 dnl was no longer used.
1242 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1246 AC_SUBST(C_SWITCH_MACHINE)
1248 AC_SUBST(UNEXEC_OBJ)
1251 ## Some programs in src produce warnings saying certain subprograms
1252 ## are too complex and need a MAXMEM value greater than 2000 for
1253 ## additional optimization. --nils@exp-math.uni-essen.de
1254 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1255 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1256 if test "$opsys" = "mingw32"; then
1257 case "$canonical" in
1258 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1259 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1262 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1263 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1264 AC_SUBST(C_SWITCH_SYSTEM)
1269 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1270 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1272 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1274 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1276 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1278 ## Motif needs -lgen.
1279 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1282 AC_SUBST(LIBS_SYSTEM)
1284 ### Make sure subsequent tests use flags consistent with the build flags.
1286 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1287 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1289 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1292 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1293 AC_DEFUN([AC_TYPE_SIZE_T])
1294 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1295 AC_DEFUN([AC_TYPE_UID_T])
1297 # sqrt and other floating-point functions such as fmod and frexp
1298 # are found in -lm on many systems.
1300 AC_SEARCH_LIBS([sqrt], [m])
1301 if test "X$LIBS" = "X$OLD_LIBS"; then
1304 LIB_MATH=$ac_cv_search_sqrt
1308 dnl Current possibilities handled by sed (aix4-2 -> aix,
1309 dnl gnu-linux -> gnu/linux, etc.):
1310 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1311 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1312 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1319 ## Adding -lm confuses the dynamic linker, so omit it.
1322 freebsd | dragonfly )
1323 SYSTEM_TYPE=berkeley-unix
1325 gnu-linux | gnu-kfreebsd )
1327 hpux10-20 | hpux11 )
1331 SYSTEM_TYPE=windows-nt
1333 dnl NB this may be adjusted below.
1335 SYSTEM_TYPE=berkeley-unix
1339 SYSTEM_TYPE=usg-unix-v
1345 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1346 [The type of system you are compiling for; sets `system-type'.])
1349 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1350 pre_PKG_CONFIG_LIBS=$LIBS
1352 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1354 dnl This function definition taken from Gnome 2.0
1355 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1356 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1357 dnl also defines GSTUFF_PKG_ERRORS on error
1358 AC_DEFUN([PKG_CHECK_MODULES], [
1361 if test "$PKG_CONFIG" = "no" ; then
1362 ifelse([$4], , [AC_MSG_ERROR([
1363 *** 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])
1365 PKG_CONFIG_MIN_VERSION=0.9.0
1366 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1367 AC_MSG_CHECKING(for $2)
1369 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1370 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1371 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1378 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1379 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1380 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1386 ## If we have a custom action on failure, don't print errors, but
1387 ## do set a variable so people can do so. Do it in a subshell
1388 ## to capture any diagnostics in invoking pkg-config.
1389 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1390 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1396 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1397 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1401 if test $succeeded = yes; then
1402 ifelse([$3], , :, [$3])
1404 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.])], [$4])
1409 if test "${with_sound}" != "no"; then
1410 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1411 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1412 have_sound_header=yes, [], [
1414 #define WIN32_LEAN_AND_MEAN
1415 #include <windows.h>
1418 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1419 AC_MSG_ERROR([OSS sound support requested but not found.])
1421 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1422 # Emulation library used on NetBSD.
1423 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1424 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1425 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1426 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1427 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1431 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1433 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1434 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1435 if test $HAVE_ALSA = yes; then
1436 SAVE_CFLAGS="$CFLAGS"
1438 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1439 LIBS="$ALSA_LIBS $LIBS"
1440 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1441 emacs_alsa_normal=yes,
1442 emacs_alsa_normal=no)
1443 if test "$emacs_alsa_normal" != yes; then
1444 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1445 [[snd_lib_error_set_handler (0);]])],
1446 emacs_alsa_subdir=yes,
1447 emacs_alsa_subdir=no)
1448 if test "$emacs_alsa_subdir" != yes; then
1449 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1451 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1454 CFLAGS="$SAVE_CFLAGS"
1456 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1457 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1458 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1459 elif test "${with_sound}" = "alsa"; then
1460 AC_MSG_ERROR([ALSA sound support requested but not found.])
1462 fi dnl with_sound = alsa|yes
1464 dnl Define HAVE_SOUND if we have sound support. We know it works and
1465 dnl compiles only on the specified platforms. For others, it
1466 dnl probably doesn't make sense to try.
1467 dnl FIXME So surely we should bypass this whole section if not using
1468 dnl one of these platforms?
1469 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1471 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1472 dnl Adjust the --with-sound help text if you change this.
1473 gnu-linux|freebsd|netbsd|mingw32)
1474 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1480 AC_SUBST(CFLAGS_SOUND)
1483 dnl checks for header files
1484 AC_CHECK_HEADERS_ONCE(
1488 sys/utsname.h pwd.h utmp.h util.h)
1490 AC_MSG_CHECKING(if personality LINUX32 can be set)
1491 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1492 emacs_cv_personality_linux32=yes,
1493 emacs_cv_personality_linux32=no)
1494 AC_MSG_RESULT($emacs_cv_personality_linux32)
1496 if test $emacs_cv_personality_linux32 = yes; then
1497 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1498 [Define to 1 if personality LINUX32 can be set.])
1501 dnl On Solaris 8 there's a compilation warning for term.h because
1502 dnl it doesn't define `bool'.
1503 AC_CHECK_HEADERS(term.h, , , -)
1505 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1507 if test $ac_cv_have_decl_sys_siglist != yes; then
1508 # For Tru64, at least:
1509 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1514 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1515 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1516 #if HAVE_SYS_SOCKET_H
1517 #include <sys/socket.h>
1519 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1520 #if HAVE_SYS_SOCKET_H
1521 #include <sys/socket.h>
1523 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1524 #if HAVE_SYS_SOCKET_H
1525 #include <sys/socket.h>
1528 dnl checks for structure members
1529 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1530 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1531 struct ifreq.ifr_addr,
1532 struct ifreq.ifr_addr.sa_len], , ,
1533 [AC_INCLUDES_DEFAULT
1534 #if HAVE_SYS_SOCKET_H
1535 #include <sys/socket.h>
1541 dnl Check for endianness.
1542 dnl AC_C_BIGENDIAN is done by gnulib.
1544 dnl check for Make feature
1545 dnl AC_PROG_MAKE_SET is done by Automake.
1550 dnl check if we have GCC and autodepend is on.
1551 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1552 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1553 SAVE_CFLAGS="$CFLAGS"
1554 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1555 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1556 CFLAGS="$SAVE_CFLAGS"
1557 test -f deps.d || ac_enable_autodepend=no
1559 AC_MSG_RESULT([$ac_enable_autodepend])
1560 if test $ac_enable_autodepend = yes; then
1561 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1562 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1563 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1564 deps_frag=autodeps.mk
1567 deps_frag=$srcdir/src/$deps_frag
1570 AC_SUBST_FILE(deps_frag)
1573 lisp_frag=$srcdir/src/lisp.mk
1574 AC_SUBST_FILE(lisp_frag)
1577 dnl checks for operating system services
1578 AC_SYS_LONG_FILE_NAMES
1580 #### Choose a window system.
1582 ## We leave window_system equal to none if
1583 ## we end up building without one. Any new window system should
1584 ## set window_system to an appropriate value and add objects to
1585 ## window-system-specific substs.
1589 if test "$no_x" != yes; then
1593 LD_SWITCH_X_SITE_RPATH=
1594 if test "${x_libraries}" != NONE; then
1595 if test -n "${x_libraries}"; then
1596 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1597 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1599 x_default_search_path=""
1600 x_search_path=${x_libraries}
1601 if test -z "${x_search_path}"; then
1602 x_search_path=/usr/lib
1604 for x_library in `echo ${x_search_path}: | \
1605 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1607 ${x_library}/X11/%L/%T/%N%C%S:\
1608 ${x_library}/X11/%l/%T/%N%C%S:\
1609 ${x_library}/X11/%T/%N%C%S:\
1610 ${x_library}/X11/%L/%T/%N%S:\
1611 ${x_library}/X11/%l/%T/%N%S:\
1612 ${x_library}/X11/%T/%N%S"
1613 if test x"${x_default_search_path}" = x; then
1614 x_default_search_path=${x_search_path}
1616 x_default_search_path="${x_search_path}:${x_default_search_path}"
1620 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1622 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1623 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1626 if test x"${x_includes}" = x; then
1627 bitmapdir=/usr/include/X11/bitmaps
1629 # accumulate include directories that have X11 bitmap subdirectories
1631 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1632 if test -d "${bmd}/X11/bitmaps"; then
1633 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1635 if test -d "${bmd}/bitmaps"; then
1636 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1639 if test ${bmd_acc} != "dummyval"; then
1640 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1647 tmp_CPPFLAGS="$CPPFLAGS"
1648 tmp_CFLAGS="$CFLAGS"
1649 CPPFLAGS="$CPPFLAGS -x objective-c"
1650 CFLAGS="$CFLAGS -x objective-c"
1653 if test "${with_ns}" != no; then
1654 if test "${opsys}" = darwin; then
1656 ns_appdir=`pwd`/nextstep/Emacs.app
1657 ns_appbindir=${ns_appdir}/Contents/MacOS
1658 ns_appresdir=${ns_appdir}/Contents/Resources
1659 ns_appsrc=Cocoa/Emacs.base
1660 elif test -f $GNUSTEP_CONFIG_FILE; then
1662 ns_appdir=`pwd`/nextstep/Emacs.app
1663 ns_appbindir=${ns_appdir}
1664 ns_appresdir=${ns_appdir}/Resources
1665 ns_appsrc=GNUstep/Emacs.base
1666 dnl FIXME sourcing this several times in subshells seems inefficient.
1667 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1668 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1669 dnl I seemed to need these as well with GNUstep-startup 0.25.
1670 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1671 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1672 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1673 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1674 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1675 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1676 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1677 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1678 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1679 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1680 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1681 dnl If they had chosen to either define it or not, we could have
1682 dnl just used AC_CHECK_DECL here.
1683 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1684 emacs_cv_objc_exceptions,
1685 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1686 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1690 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1691 if test $emacs_cv_objc_exceptions = yes; then
1692 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1693 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1694 [Define if GNUstep uses ObjC exceptions.])
1695 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1699 dnl This is only used while we test the NS headers, it gets reset below.
1700 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1702 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1703 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1704 files are missing or cannot be compiled.])])
1707 if test "${NS_IMPL_COCOA}" = "yes"; then
1708 AC_MSG_CHECKING([for OSX 10.4 or newer])
1709 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1711 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1712 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1715 #error "OSX 10.4 or newer required"
1719 ns_osx_have_104=yes,
1721 AC_MSG_RESULT([$ns_osx_have_104])
1723 if test $ns_osx_have_104 = no; then
1724 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1726 AC_MSG_CHECKING([for OSX 10.5 or newer])
1727 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1729 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1730 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1733 #error "OSX 10.5 not found"
1737 ns_osx_have_105=yes,
1739 AC_MSG_RESULT([$ns_osx_have_105])
1740 if test $ns_osx_have_105 = yes; then
1741 macfont_file="macfont.o"
1744 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1746 ns_have_nsinteger=yes,
1747 ns_have_nsinteger=no)
1748 if test $ns_have_nsinteger = yes; then
1749 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1753 AC_SUBST(LIBS_GNUSTEP)
1755 INSTALL_ARCH_INDEP_EXTRA=install-etc
1756 ns_self_contained=no
1759 if test "${HAVE_NS}" = yes; then
1760 if test "$with_toolkit_scroll_bars" = "no"; then
1761 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1764 window_system=nextstep
1765 # set up packaging dirs
1766 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1767 ns_self_contained=yes
1768 prefix=${ns_appresdir}
1769 exec_prefix=${ns_appbindir}
1770 dnl This one isn't really used, only archlibdir is.
1771 libexecdir="\${ns_appbindir}/libexec"
1772 archlibdir="\${ns_appbindir}/libexec"
1773 etcdocdir="\${ns_appresdir}/etc"
1774 etcdir="\${ns_appresdir}/etc"
1775 dnl FIXME maybe set datarootdir instead.
1776 dnl That would also get applications, icons, man.
1777 infodir="\${ns_appresdir}/info"
1778 mandir="\${ns_appresdir}/man"
1779 lispdir="\${ns_appresdir}/lisp"
1780 INSTALL_ARCH_INDEP_EXTRA=
1783 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1785 CFLAGS="$tmp_CFLAGS"
1786 CPPFLAGS="$tmp_CPPFLAGS"
1787 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1788 AC_SUBST(ns_self_contained)
1790 AC_SUBST(NS_OBJC_OBJ)
1801 if test "${with_w32}" != no; then
1804 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1805 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1806 cannot be found.])])
1809 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1812 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1817 if test "${opsys}" = "mingw32"; then
1818 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1819 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1820 #include <windows.h>
1821 #include <usp10.h>]],
1822 [[PIMAGE_NT_HEADERS pHeader;
1823 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1824 [emacs_cv_w32api=yes
1827 AC_MSG_RESULT($emacs_cv_w32api)
1828 if test "${emacs_cv_w32api}" = "no"; then
1829 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1840 if test "${HAVE_W32}" = "yes"; then
1841 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1842 AC_CHECK_TOOL(WINDRES, [windres],
1843 [AC_MSG_ERROR([No resource compiler found.])])
1844 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1845 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1846 EMACSRES="emacs.res"
1847 case "$canonical" in
1848 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1849 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1851 if test "${opsys}" = "cygwin"; then
1852 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1853 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1854 # Tell the linker that emacs.res is an object (which we compile from
1855 # the rc file), not a linker script.
1856 W32_RES_LINK="-Wl,emacs.res"
1858 UPDATE_MANIFEST=update-game-score.exe.manifest
1859 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1860 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1861 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1862 W32_RES_LINK="\$(EMACSRES)"
1863 CLIENTRES="emacsclient.res"
1864 CLIENTW="emacsclientw\$(EXEEXT)"
1865 FIRSTFILE_OBJ=firstfile.o
1868 LIBS_ECLIENT="-lcomctl32"
1869 LIB_WSOCK32="-lwsock32"
1870 NTLIB="ntlib.$ac_objext"
1871 XARGS_LIMIT="-s 10000"
1877 AC_SUBST(EMACS_MANIFEST)
1878 AC_SUBST(UPDATE_MANIFEST)
1881 AC_SUBST(W32_RES_LINK)
1882 AC_SUBST(FIRSTFILE_OBJ)
1885 AC_SUBST(LIBS_ECLIENT)
1886 AC_SUBST(LIB_WSOCK32)
1888 AC_SUBST(XARGS_LIMIT)
1890 if test "${HAVE_W32}" = "yes"; then
1895 ## $window_system is now set to the window system we will
1898 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1899 # Too many warnings for now.
1901 nw="$nw -Wsuggest-attribute=const"
1902 nw="$nw -Wsuggest-attribute=noreturn"
1903 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1905 gl_WARN_ADD([-Wno-unused-variable])
1906 gl_WARN_ADD([-Wno-unused-but-set-variable])
1907 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1915 case "${window_system}" in
1920 case "${with_x_toolkit}" in
1921 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1922 motif ) USE_X_TOOLKIT=MOTIF ;;
1924 term_header=gtkutil.h
1925 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1926 dnl USE_X_TOOLKIT is set.
1927 USE_X_TOOLKIT=none ;;
1928 gtk2 ) with_gtk2=yes
1929 term_header=gtkutil.h
1930 USE_X_TOOLKIT=none ;;
1931 gtk3 ) with_gtk3=yes
1932 term_header=gtkutil.h
1933 USE_X_TOOLKIT=none ;;
1934 no ) USE_X_TOOLKIT=none ;;
1935 dnl If user did not say whether to use a toolkit, make this decision later:
1936 dnl use the toolkit if we have gtk, or X11R5 or newer.
1937 * ) USE_X_TOOLKIT=maybe ;;
1941 term_header=nsterm.h
1944 term_header=w32term.h
1948 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1949 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1950 if test "$HAVE_XSERVER" = true ||
1951 test -n "$DISPLAY" ||
1952 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1953 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1954 were found. You should install the relevant development files for X
1955 and for the toolkit you want, such as Gtk+ or Motif. Also make
1956 sure you have development files for image handling, i.e.
1957 tiff, gif, jpeg, png and xpm.
1958 If you are sure you want Emacs compiled without X window support, pass
1964 # Does the opsystem file prohibit the use of the GNU malloc?
1965 # Assume not, until told otherwise.
1969 [whether malloc is Doug Lea style],
1970 [emacs_cv_var_doug_lea_malloc],
1971 [emacs_cv_var_doug_lea_malloc=no
1972 dnl Hooks do not work with address sanitization.
1973 if test "$emacs_cv_sanitize_address" != yes; then
1976 [[#include <malloc.h>
1977 static void hook (void) {}]],
1978 [[malloc_set_state (malloc_get_state ());
1979 __after_morecore_hook = hook;
1980 __malloc_initialize_hook = hook;]])],
1981 [emacs_cv_var_doug_lea_malloc=yes])])
1983 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1985 system_malloc=$emacs_cv_sanitize_address
1987 ## darwin ld insists on the use of malloc routines in the System framework.
1988 darwin|sol2-10) system_malloc=yes ;;
1992 if test "${system_malloc}" = "yes"; then
1993 AC_DEFINE([SYSTEM_MALLOC], 1,
1994 [Define to 1 to use the system memory allocator, even if it is not
1998 (The GNU allocators don't work with this system configuration.)"
2001 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2002 VMLIMIT_OBJ=vm-limit.o
2004 AC_CHECK_HEADERS([sys/vlimit.h])
2005 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2008 [[extern char data_start[]; char ch;]],
2009 [[return data_start < &ch;]])],
2010 [emacs_cv_data_start=yes],
2011 [emacs_cv_data_start=no])])
2012 if test $emacs_cv_data_start = yes; then
2013 AC_DEFINE([HAVE_DATA_START], 1,
2014 [Define to 1 if data_start is the address of the start
2015 of the main data segment.])
2018 AC_SUBST(GMALLOC_OBJ)
2019 AC_SUBST(VMLIMIT_OBJ)
2021 if test "$doug_lea_malloc" = "yes" ; then
2022 if test "$GNU_MALLOC" = yes ; then
2024 (Using Doug Lea's new malloc from the GNU C Library.)"
2026 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2027 [Define to 1 if the system memory allocator is Doug Lea style,
2028 with malloc hooks and malloc_set_state.])
2030 ## Use mmap directly for allocating larger buffers.
2031 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2032 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2033 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2035 gnu*) REL_ALLOC=no ;;
2039 if test x"${REL_ALLOC}" = x; then
2040 REL_ALLOC=${GNU_MALLOC}
2043 use_mmap_for_buffers=no
2045 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2049 if test $use_mmap_for_buffers = yes; then
2050 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2054 LIBS="$LIBS_SYSTEM $LIBS"
2056 dnl FIXME replace main with a function we actually want from this library.
2057 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2059 dnl Check for the POSIX thread library.
2061 AC_CHECK_HEADERS_ONCE(pthread.h)
2062 if test "$ac_cv_header_pthread_h"; then
2063 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2064 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2065 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2066 if test "$GMALLOC_OBJ" = gmalloc.o; then
2067 emacs_pthread_function=pthread_atfork
2069 emacs_pthread_function=pthread_kill
2072 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2073 [AC_DEFINE([HAVE_PTHREAD], [1],
2074 [Define to 1 if you have pthread (-lpthread).])])
2075 if test "X$LIBS" != "X$OLD_LIBS"; then
2076 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2080 AC_SUBST([LIB_PTHREAD])
2082 dnl Check for need for bigtoc support on IBM AIX
2086 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2088 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2089 *) gdb_cv_bigtoc=-bbigtoc ;;
2092 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2093 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2098 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2099 # is for the tests that follow. We set them back later on.
2101 REAL_CFLAGS="$CFLAGS"
2102 REAL_CPPFLAGS="$CPPFLAGS"
2105 if test "${HAVE_X11}" = "yes"; then
2106 DEFS="$C_SWITCH_X_SITE $DEFS"
2107 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2109 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2110 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2112 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2113 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2114 # but it's more convenient here to set LD_RUN_PATH since this
2115 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2116 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2117 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2121 if test "${opsys}" = "gnu-linux"; then
2122 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2123 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2124 [[XOpenDisplay ("foo");]])],
2125 [xgnu_linux_first_failure=no],
2126 [xgnu_linux_first_failure=yes])
2127 if test "${xgnu_linux_first_failure}" = "yes"; then
2128 OLD_CPPFLAGS="$CPPFLAGS"
2130 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2131 LIBS="$LIBS -b i486-linuxaout"
2132 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2133 [[XOpenDisplay ("foo");]])],
2134 [xgnu_linux_second_failure=no],
2135 [xgnu_linux_second_failure=yes])
2136 if test "${xgnu_linux_second_failure}" = "yes"; then
2137 # If we get the same failure with -b, there is no use adding -b.
2138 # So leave it out. This plays safe.
2141 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2142 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2145 CPPFLAGS=$OLD_CPPFLAGS
2152 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2153 # header files included from there.
2154 AC_MSG_CHECKING(for Xkb)
2155 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2156 #include <X11/XKBlib.h>]],
2157 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2158 emacs_xkb=yes, emacs_xkb=no)
2159 AC_MSG_RESULT($emacs_xkb)
2160 if test $emacs_xkb = yes; then
2161 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2164 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2165 XScreenNumberOfScreen)
2168 if test "${window_system}" = "x11"; then
2169 AC_MSG_CHECKING(X11 version 6)
2170 AC_CACHE_VAL(emacs_cv_x11_version_6,
2171 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2172 [[#if XlibSpecificationRelease < 6
2175 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2176 if test $emacs_cv_x11_version_6 = yes; then
2177 AC_MSG_RESULT(6 or newer)
2178 AC_DEFINE(HAVE_X11R6, 1,
2179 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2180 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2181 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2185 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2186 [Define if you have usable X11R6-style XIM support.])
2190 AC_MSG_RESULT(before 6)
2195 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2197 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2198 if test "${with_rsvg}" != "no"; then
2199 RSVG_REQUIRED=2.11.0
2200 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2202 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2203 AC_SUBST(RSVG_CFLAGS)
2206 if test $HAVE_RSVG = yes; then
2207 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2208 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2209 # Windows loads librsvg dynamically
2210 if test "${opsys}" = "mingw32"; then
2218 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2219 if test "${with_imagemagick}" != "no"; then
2220 ## 6.2.8 is the earliest version known to work, but earlier versions
2221 ## might work - let us know if you find one.
2222 ## 6.0.7 does not work. See bug#7955.
2223 ## 6.8.2 makes Emacs crash; see Bug#13867.
2224 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2225 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2226 AC_SUBST(IMAGEMAGICK_CFLAGS)
2227 AC_SUBST(IMAGEMAGICK_LIBS)
2229 if test $HAVE_IMAGEMAGICK = yes; then
2230 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2233 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2234 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2235 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2245 gtk_term_header=$term_header
2248 if test "${opsys}" != "mingw32"; then
2249 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2252 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2254 dnl Checks for libraries.
2255 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2256 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2257 AC_MSG_ERROR($GTK_PKG_ERRORS)
2259 if test "$pkg_check_gtk" = "yes"; then
2260 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2261 GTK_OBJ=emacsgtkfixed.o
2262 gtk_term_header=gtkutil.h
2263 USE_GTK_TOOLKIT="GTK3"
2264 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2265 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2266 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2267 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2268 [Define to 1 to disable Glib deprecation warnings.])
2272 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2276 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2279 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2281 dnl Checks for libraries.
2282 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2283 if test "$pkg_check_gtk" = "no" &&
2284 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2286 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2288 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2295 if test x"$pkg_check_gtk" = xyes; then
2298 CFLAGS="$CFLAGS $GTK_CFLAGS"
2299 LIBS="$GTK_LIBS $LIBS"
2300 dnl Try to compile a simple GTK program.
2301 AC_MSG_CHECKING([whether GTK compiles])
2305 [[/* Check the Gtk and Glib APIs. */
2306 #include <gtk/gtk.h>
2307 #include <glib-object.h>
2309 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2313 GtkSettings *gs = 0;
2314 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2315 strict C prohibits this. Use gtk_main_iteration to test that the
2316 libraries are there. */
2317 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2318 0, 0, 0, G_CALLBACK (callback), 0))
2319 gtk_main_iteration ();
2322 AC_MSG_RESULT([$GTK_COMPILES])
2323 if test "${GTK_COMPILES}" != "yes"; then
2325 if test "$USE_X_TOOLKIT" != "maybe"; then
2326 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2329 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2331 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2332 GTK_OBJ="gtkutil.o $GTK_OBJ"
2333 term_header=$gtk_term_header
2335 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2338 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2339 closing open displays. This is no problem if you just use
2340 one display, but if you use more than one and close one of them
2350 if test "${HAVE_GTK}" = "yes"; then
2352 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2353 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2354 if test "$with_toolkit_scroll_bars" != no; then
2355 with_toolkit_scroll_bars=yes
2358 dnl Check if we have the old file selection dialog declared and
2359 dnl in the link library. In 2.x it may be in the library,
2360 dnl but not declared if deprecated featured has been selected out.
2361 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2362 HAVE_GTK_FILE_SELECTION=no
2363 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2364 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2365 #include <gtk/gtk.h>])
2366 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2367 AC_CHECK_FUNCS(gtk_file_selection_new)
2370 dnl Same as above for gtk_handle_box.
2371 HAVE_GTK_HANDLE_BOX=no
2372 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2373 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2374 #include <gtk/gtk.h>])
2375 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2376 AC_CHECK_FUNCS(gtk_handle_box_new)
2379 dnl Same as above for gtk_tearoff_menu_item.
2380 HAVE_GTK_TEAROFF_MENU_ITEM=no
2381 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2382 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2383 #include <gtk/gtk.h>])
2384 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2385 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2388 dnl Check for functions introduced in 2.14 and later.
2389 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2390 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2391 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2392 gtk_orientable_set_orientation \
2393 gtk_window_set_has_resize_grip)
2395 term_header=gtkutil.h
2401 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2402 dnl other platforms.
2405 if test "${with_dbus}" = "yes"; then
2406 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2407 if test "$HAVE_DBUS" = yes; then
2408 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2409 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2410 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2413 LIBS="$LIBS $DBUS_LIBS"
2414 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2415 dbus_type_is_valid \
2416 dbus_validate_bus_name \
2417 dbus_validate_path \
2418 dbus_validate_interface \
2419 dbus_validate_member)
2426 dnl GSettings has been tested under GNU/Linux only.
2428 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2429 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2430 if test "$HAVE_GSETTINGS" = "yes"; then
2432 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2434 LIBS="$LIBS $GSETTINGS_LIBS"
2435 AC_MSG_CHECKING([whether GSettings is in gio])
2438 [[/* Check that gsettings really is present. */
2439 #include <glib-object.h>
2440 #include <gio/gio.h>
2443 GSettings *settings;
2444 GVariant *val = g_settings_get_value (settings, "");
2446 [], HAVE_GSETTINGS=no)
2447 AC_MSG_RESULT([$HAVE_GSETTINGS])
2449 if test "$HAVE_GSETTINGS" = "yes"; then
2450 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2451 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2452 SETTINGS_LIBS="$GSETTINGS_LIBS"
2459 dnl GConf has been tested under GNU/Linux only.
2460 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2462 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2463 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2464 if test "$HAVE_GCONF" = yes; then
2465 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2466 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2467 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2468 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2472 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2473 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2474 if test "$HAVE_GOBJECT" = "yes"; then
2475 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2476 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2478 SAVE_CFLAGS="$CFLAGS"
2480 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2481 LIBS="$SETTINGS_LIBS $LIBS"
2482 CFLAGS="$SAVE_CFLAGS"
2485 AC_SUBST(SETTINGS_CFLAGS)
2486 AC_SUBST(SETTINGS_LIBS)
2489 dnl SELinux is available for GNU/Linux only.
2492 if test "${with_selinux}" = "yes"; then
2493 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2494 if test "$HAVE_LIBSELINUX" = yes; then
2495 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2496 LIBSELINUX_LIBS=-lselinux
2499 AC_SUBST(LIBSELINUX_LIBS)
2503 if test "${with_gnutls}" = "yes" ; then
2504 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2505 if test "${HAVE_GNUTLS3}" = "yes"; then
2506 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2509 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2511 if test "${HAVE_GNUTLS}" = "yes"; then
2512 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2515 # Windows loads GnuTLS dynamically
2516 if test "${opsys}" = "mingw32"; then
2519 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2520 LIBS="$LIBGNUTLS_LIBS $LIBS"
2524 AC_SUBST(LIBGNUTLS_LIBS)
2525 AC_SUBST(LIBGNUTLS_CFLAGS)
2530 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2531 dnl a particular library. This doesn't make much sense?
2532 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2533 with_file_notification=no
2536 dnl MS Windows native file monitor is available for mingw32 only.
2537 case $with_file_notification,$opsys in
2538 w32,* | yes,mingw32)
2539 AC_CHECK_HEADER(windows.h)
2540 if test "$ac_cv_header_windows_h" = yes ; then
2541 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2542 NOTIFY_OBJ=w32notify.o
2543 NOTIFY_SUMMARY="yes (w32)"
2547 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2548 dnl has been added in glib 2.24. It has been tested under
2549 dnl GNU/Linux only. We take precedence over inotify, but this makes
2550 dnl only sense when glib has been compiled with inotify support. How
2552 case $with_file_notification,$NOTIFY_OBJ in
2554 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2555 if test "$HAVE_GFILENOTIFY" = "yes"; then
2556 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2557 NOTIFY_OBJ=gfilenotify.o
2558 NOTIFY_SUMMARY="yes -lgio (gfile)"
2562 dnl inotify is only available on GNU/Linux.
2563 case $with_file_notification,$NOTIFY_OBJ in
2565 AC_CHECK_HEADER(sys/inotify.h)
2566 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2567 AC_CHECK_FUNC(inotify_init1)
2568 if test "$ac_cv_func_inotify_init1" = yes; then
2569 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2570 NOTIFY_OBJ=inotify.o
2571 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2576 case $with_file_notification,$NOTIFY_OBJ in
2577 yes,* | no,* | *,?*) ;;
2578 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2581 if test -n "$NOTIFY_OBJ"; then
2582 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2584 AC_SUBST(NOTIFY_OBJ)
2585 AC_SUBST(GFILENOTIFY_CFLAGS)
2586 AC_SUBST(GFILENOTIFY_LIBS)
2588 dnl Do not put whitespace before the #include statements below.
2589 dnl Older compilers (eg sunos4 cc) choke on it.
2592 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2593 if test "$with_xaw3d" != no; then
2594 AC_CACHE_VAL(emacs_cv_xaw3d,
2595 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2596 #include <X11/Intrinsic.h>
2597 #include <X11/Xaw3d/Simple.h>]],
2599 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2600 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2601 emacs_cv_xaw3d=no)])
2605 if test $emacs_cv_xaw3d = yes; then
2606 AC_MSG_CHECKING(for xaw3d)
2607 AC_MSG_RESULT([yes; using Lucid toolkit])
2611 AC_DEFINE(HAVE_XAW3D, 1,
2612 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2614 AC_MSG_CHECKING(for xaw3d)
2616 AC_MSG_CHECKING(for libXaw)
2617 AC_CACHE_VAL(emacs_cv_xaw,
2618 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2619 #include <X11/Intrinsic.h>
2620 #include <X11/Xaw/Simple.h>]],
2624 if test $emacs_cv_xaw = yes; then
2625 AC_MSG_RESULT([yes; using Lucid toolkit])
2628 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2629 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2631 AC_MSG_ERROR([No X toolkit could be found.
2632 If you are sure you want Emacs compiled without an X toolkit, pass
2634 to configure. Otherwise, install the development libraries for the toolkit
2635 that you want to use (e.g. Gtk+) and re-run configure.])
2640 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2644 if test "${USE_X_TOOLKIT}" != "none"; then
2645 AC_MSG_CHECKING(X11 toolkit version)
2646 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2647 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2648 [[#if XtSpecificationRelease < 6
2651 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2652 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2653 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2654 AC_MSG_RESULT(6 or newer)
2655 AC_DEFINE(HAVE_X11XTR6, 1,
2656 [Define to 1 if you have the X11R6 or newer version of Xt.])
2657 LIBXTR6="-lSM -lICE"
2659 ## Use libw.a along with X11R6 Xt.
2660 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2663 AC_MSG_RESULT(before 6)
2666 dnl If using toolkit, check whether libXmu.a exists.
2667 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2669 if test x$HAVE_X11XTR6 = xyes; then
2670 OTHERLIBS='-lXt -lSM -lICE'
2674 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2675 if test "X$LIBS" != "X$OLDLIBS"; then
2676 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2679 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2685 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2686 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2687 if test -d /usr/include/openmotif; then
2688 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2689 emacs_cv_openmotif=yes
2690 case "$canonical" in
2691 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2692 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2695 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2698 emacs_cv_openmotif=no
2700 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2701 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2702 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2705 Motif version prior to 2.1.
2707 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2708 if test $emacs_cv_motif_version_2_1 = yes; then
2709 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2710 if test x$emacs_cv_openmotif = xyes; then
2711 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2714 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2715 # We put this in CFLAGS temporarily to precede other -I options
2716 # that might be in CFLAGS temporarily.
2717 # We put this in CPPFLAGS where it precedes the other -I options.
2718 OLD_CPPFLAGS=$CPPFLAGS
2720 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2721 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2722 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2724 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2725 if test $emacs_cv_lesstif = yes; then
2726 # Make sure this -I option remains in CPPFLAGS after it is set
2727 # back to REAL_CPPFLAGS.
2728 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2729 # have those other -I options anyway. Ultimately, having this
2730 # directory ultimately in CPPFLAGS will be enough.
2731 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2732 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2735 CPPFLAGS=$OLD_CPPFLAGS
2738 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2739 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2742 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2743 dnl using Motif or Xaw3d is available, and unless
2744 dnl --with-toolkit-scroll-bars=no was specified.
2746 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2747 [Define to 1 if we should use toolkit scroll bars.])dnl
2748 USE_TOOLKIT_SCROLL_BARS=no
2749 if test "${with_toolkit_scroll_bars}" != "no"; then
2750 if test "${USE_X_TOOLKIT}" != "none"; then
2751 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2752 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2754 USE_TOOLKIT_SCROLL_BARS=yes
2755 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2756 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2757 USE_TOOLKIT_SCROLL_BARS=yes
2759 elif test "${HAVE_GTK}" = "yes"; then
2760 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2761 USE_TOOLKIT_SCROLL_BARS=yes
2762 elif test "${HAVE_NS}" = "yes"; then
2763 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2764 USE_TOOLKIT_SCROLL_BARS=yes
2765 elif test "${HAVE_W32}" = "yes"; then
2766 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2767 USE_TOOLKIT_SCROLL_BARS=yes
2771 dnl See if XIM is available.
2772 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2773 #include <X11/Xlib.h>
2774 #include <X11/Xresource.h>]],
2775 [[XIMProc callback;]])],
2777 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2780 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2782 if test "${with_xim}" != "no"; then
2783 AC_DEFINE(USE_XIM, 1,
2784 [Define to 1 if we should use XIM, if it is available.])
2788 if test "${HAVE_XIM}" != "no"; then
2790 if test "$GCC" = yes; then
2791 CFLAGS="$CFLAGS --pedantic-errors"
2793 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2794 #include <X11/Xlib.h>
2795 #include <X11/Xresource.h>]],
2801 XPointer *client_data;
2803 /* If we're not using GCC, it's probably not XFree86, and this is
2804 probably right, but we can't use something like --pedantic-errors. */
2805 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2806 char*, XIMProc, XPointer*);
2808 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2810 [emacs_cv_arg6_star=yes])
2811 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2812 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2813 either XPointer or XPointer*.])dnl
2814 if test "$emacs_cv_arg6_star" = yes; then
2815 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2817 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2822 ### Start of font-backend (under any platform) section.
2823 # (nothing here yet -- this is a placeholder)
2824 ### End of font-backend (under any platform) section.
2826 ### Start of font-backend (under X11) section.
2827 if test "${HAVE_X11}" = "yes"; then
2828 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2830 ## Use -lXft if available, unless `--with-xft=no'.
2832 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2835 if test "x${with_xft}" != "xno"; then
2837 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2838 ## Because xftfont.c uses XRenderQueryExtension, we also
2839 ## need to link to -lXrender.
2841 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2842 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2843 OLD_CPPFLAGS="$CPPFLAGS"
2844 OLD_CFLAGS="$CFLAGS"
2846 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2847 CFLAGS="$CFLAGS $XFT_CFLAGS"
2848 XFT_LIBS="-lXrender $XFT_LIBS"
2849 LIBS="$XFT_LIBS $LIBS"
2850 AC_CHECK_HEADER(X11/Xft/Xft.h,
2851 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2852 [[#include <X11/X.h>]])
2854 if test "${HAVE_XFT}" = "yes"; then
2855 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2857 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2858 fi # "${HAVE_XFT}" = "yes"
2859 CPPFLAGS=$OLD_CPPFLAGS
2862 fi # "$HAVE_XFT" != no
2863 fi # "x${with_xft}" != "xno"
2865 ## We used to allow building with FreeType and without Xft.
2866 ## However, the ftx font backend driver is not in good shape.
2867 if test "$HAVE_XFT" != "yes"; then
2868 dnl For the "Does Emacs use" message at the end.
2872 dnl Strict linkers fail with
2873 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2874 dnl if -lfreetype is not specified.
2875 dnl The following is needed to set FREETYPE_LIBS.
2876 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2879 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2883 if test "${HAVE_FREETYPE}" = "yes"; then
2884 AC_DEFINE(HAVE_FREETYPE, 1,
2885 [Define to 1 if using the freetype and fontconfig libraries.])
2886 if test "${with_libotf}" != "no"; then
2887 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2889 if test "$HAVE_LIBOTF" = "yes"; then
2890 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2891 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2892 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2893 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2894 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2895 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2896 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2900 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2901 dnl Does the new font backend require it, or can it work without it?
2905 if test "${HAVE_LIBOTF}" = yes; then
2906 if test "${with_m17n_flt}" != "no"; then
2907 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2908 if test "$HAVE_M17N_FLT" = "yes"; then
2909 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2920 ### End of font-backend (under X11) section.
2922 AC_SUBST(FREETYPE_CFLAGS)
2923 AC_SUBST(FREETYPE_LIBS)
2924 AC_SUBST(FONTCONFIG_CFLAGS)
2925 AC_SUBST(FONTCONFIG_LIBS)
2926 AC_SUBST(LIBOTF_CFLAGS)
2927 AC_SUBST(LIBOTF_LIBS)
2928 AC_SUBST(M17N_FLT_CFLAGS)
2929 AC_SUBST(M17N_FLT_LIBS)
2931 ### Use -lXpm if available, unless `--with-xpm=no'.
2932 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2935 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2936 if test "${with_xpm}" != "no"; then
2937 SAVE_CPPFLAGS="$CPPFLAGS"
2938 SAVE_LDFLAGS="$LDFLAGS"
2939 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2940 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2941 AC_CHECK_HEADER(X11/xpm.h,
2942 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2943 if test "${HAVE_XPM}" = "yes"; then
2944 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2945 AC_EGREP_CPP(no_return_alloc_pixels,
2946 [#include "X11/xpm.h"
2947 #ifndef XpmReturnAllocPixels
2948 no_return_alloc_pixels
2950 ], HAVE_XPM=no, HAVE_XPM=yes)
2952 if test "${HAVE_XPM}" = "yes"; then
2953 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2957 CPPFLAGS="$SAVE_CPPFLAGS"
2958 LDFLAGS="$SAVE_LDFLAGS"
2963 if test "${HAVE_XPM}" = "yes"; then
2964 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2969 if test "${HAVE_X11}" = "yes"; then
2970 if test "${with_xpm}" != "no"; then
2971 AC_CHECK_HEADER(X11/xpm.h,
2972 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2973 if test "${HAVE_XPM}" = "yes"; then
2974 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2975 AC_EGREP_CPP(no_return_alloc_pixels,
2976 [#include "X11/xpm.h"
2977 #ifndef XpmReturnAllocPixels
2978 no_return_alloc_pixels
2980 ], HAVE_XPM=no, HAVE_XPM=yes)
2982 if test "${HAVE_XPM}" = "yes"; then
2990 if test "${HAVE_XPM}" = "yes"; then
2991 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2996 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2997 ### slightly different requirements wrt image libraries (it doesn't
2998 ### use -lXpm because it loads the xpm shared library dynamically at
3000 if test "${opsys}" = "mingw32"; then
3001 if test "${with_xpm}" != "no"; then
3002 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3006 if test "${HAVE_XPM}" = "yes"; then
3007 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3013 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3014 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3017 if test "${opsys}" = "mingw32"; then
3018 if test "${with_jpeg}" != "no"; then
3019 dnl Checking for jpeglib.h can lose because of a redefinition of
3021 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3023 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3024 if test "${HAVE_JPEG}" = "yes"; then
3025 AC_DEFINE(HAVE_JPEG)
3026 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3027 [#include <jpeglib.h>
3028 version=JPEG_LIB_VERSION
3030 [AC_DEFINE(HAVE_JPEG)],
3031 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3034 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3035 if test "${with_jpeg}" != "no"; then
3036 dnl Checking for jpeglib.h can lose because of a redefinition of
3038 AC_CHECK_HEADER(jerror.h,
3039 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3042 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3043 if test "${HAVE_JPEG}" = "yes"; then
3044 AC_DEFINE(HAVE_JPEG)
3045 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3046 [#include <jpeglib.h>
3047 version=JPEG_LIB_VERSION
3049 [AC_DEFINE(HAVE_JPEG)],
3050 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3053 if test "${HAVE_JPEG}" = "yes"; then
3059 ### Use -lpng if available, unless `--with-png=no'.
3060 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
3063 if test "${opsys}" = "mingw32"; then
3064 if test "${with_png}" != "no"; then
3065 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
3067 if test "${HAVE_PNG}" = "yes"; then
3068 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3070 AC_CHECK_DECL(png_longjmp,
3072 [AC_DEFINE(PNG_DEPSTRUCT, [],
3073 [Define to empty to suppress deprecation warnings when building
3074 with --enable-gcc-warnings and with libpng versions before 1.5,
3075 which lack png_longjmp.])],
3076 [[#ifdef HAVE_LIBPNG_PNG_H
3077 # include <libpng/png.h>
3083 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3084 if test "${with_png}" != "no"; then
3085 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3086 # in /usr/include/libpng.
3087 AC_CHECK_HEADERS(png.h libpng/png.h, break)
3088 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
3089 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3093 if test "${HAVE_PNG}" = "yes"; then
3094 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3095 LIBPNG="-lpng -lz -lm"
3097 AC_CHECK_DECL(png_longjmp,
3099 [AC_DEFINE(PNG_DEPSTRUCT, [],
3100 [Define to empty to suppress deprecation warnings when building
3101 with --enable-gcc-warnings and with libpng versions before 1.5,
3102 which lack png_longjmp.])],
3103 [[#ifdef HAVE_LIBPNG_PNG_H
3104 # include <libpng/png.h>
3115 if test "${with_zlib}" != "no"; then
3117 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3119 case $ac_cv_search_inflateEnd in
3120 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3123 if test "${HAVE_ZLIB}" = "yes"; then
3124 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3125 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3126 if test "${opsys}" = "mingw32"; then
3133 ### Use -ltiff if available, unless `--with-tiff=no'.
3134 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3137 if test "${opsys}" = "mingw32"; then
3138 if test "${with_tiff}" != "no"; then
3139 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3141 if test "${HAVE_TIFF}" = "yes"; then
3142 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3144 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3145 if test "${with_tiff}" != "no"; then
3146 AC_CHECK_HEADER(tiffio.h,
3148 # At least one tiff package requires the jpeg library.
3149 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3150 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3153 if test "${HAVE_TIFF}" = "yes"; then
3154 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3155 dnl FIXME -lz -lm, as per libpng?
3161 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3162 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3165 if test "${opsys}" = "mingw32"; then
3166 if test "${with_gif}" != "no"; then
3167 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3169 if test "${HAVE_GIF}" = "yes"; then
3170 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3172 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3173 || test "${HAVE_W32}" = "yes"; then
3174 AC_CHECK_HEADER(gif_lib.h,
3175 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3176 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3177 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3178 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3180 if test "$HAVE_GIF" = yes; then
3182 elif test "$HAVE_GIF" = maybe; then
3183 # If gif_lib.h but no libgif, try libungif.
3184 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3185 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3188 if test "${HAVE_GIF}" = "yes"; then
3189 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3194 dnl Check for required libraries.
3195 if test "${HAVE_X11}" = "yes"; then
3198 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3199 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3200 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3201 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3202 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3203 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3204 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3205 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3206 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3207 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3209 if test "X${MISSING}" != X; then
3210 AC_MSG_ERROR([The following required libraries were not found:
3212 Maybe some development libraries/packages are missing?
3213 If you don't want to link with them give
3215 as options to configure])
3219 ### Use -lgpm if available, unless `--with-gpm=no'.
3222 if test "${with_gpm}" != "no"; then
3223 AC_CHECK_HEADER(gpm.h,
3224 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3226 if test "${HAVE_GPM}" = "yes"; then
3227 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3233 dnl Check for malloc/malloc.h on darwin
3234 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3237 ### Use NeXTstep API to implement GUI.
3238 if test "${HAVE_NS}" = "yes"; then
3239 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3240 if test "${NS_IMPL_COCOA}" = "yes"; then
3241 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3243 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3244 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3245 # See also .m.o rule in Makefile.in */
3246 # FIXME: are all these flags really needed? Document here why. */
3247 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3248 ## Extra CFLAGS applied to src/*.m files.
3249 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3254 ### Use session management (-lSM -lICE) if available
3257 if test "${HAVE_X11}" = "yes"; then
3258 AC_CHECK_HEADER(X11/SM/SMlib.h,
3259 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3261 if test "${HAVE_X_SM}" = "yes"; then
3262 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3268 ### Use XRandr (-lXrandr) if available
3270 if test "${HAVE_X11}" = "yes"; then
3271 XRANDR_REQUIRED=1.2.2
3272 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3273 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3274 if test $HAVE_XRANDR = no; then
3275 # Test old way in case pkg-config doesn't have it (older machines).
3276 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3277 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3278 if test $HAVE_XRANDR = yes; then
3279 XRANDR_LIBS=-lXrandr
3280 AC_SUBST(XRANDR_LIBS)
3283 if test $HAVE_XRANDR = yes; then
3284 SAVE_CFLAGS="$CFLAGS"
3286 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3287 LIBS="$XRANDR_LIBS $LIBS"
3288 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3289 CFLAGS="$SAVE_CFLAGS"
3292 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3296 ### Use Xinerama (-lXinerama) if available
3298 if test "${HAVE_X11}" = "yes"; then
3299 XINERAMA_REQUIRED=1.0.2
3300 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3301 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3303 if test $HAVE_XINERAMA = no; then
3304 # Test old way in case pkg-config doesn't have it (older machines).
3305 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3306 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3307 if test $HAVE_XINERAMA = yes; then
3308 XINERAMA_LIBS=-lXinerama
3309 AC_SUBST(XINERAMA_LIBS)
3312 if test $HAVE_XINERAMA = yes; then
3313 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3318 ### Use libxml (-lxml2) if available
3319 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3321 if test "${with_xml2}" != "no"; then
3322 ### I'm not sure what the version number should be, so I just guessed.
3323 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3324 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3325 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3326 SAVE_CPPFLAGS="$CPPFLAGS"
3327 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3328 AC_CHECK_HEADER(libxml/HTMLparser.h,
3329 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3330 [#include <libxml/HTMLparser.h>])])
3331 CPPFLAGS="$SAVE_CPPFLAGS"
3332 if test "${HAVE_LIBXML2}" = "yes"; then
3333 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3334 LIBXML2_LIBS="-lxml2"
3337 if test "${HAVE_LIBXML2}" = "yes"; then
3338 if test "${opsys}" != "mingw32"; then
3339 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3344 if test "${HAVE_LIBXML2}" = "yes"; then
3345 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3352 AC_SUBST(LIBXML2_LIBS)
3353 AC_SUBST(LIBXML2_CFLAGS)
3355 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3356 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3357 if test "${opsys}" = "mingw32"; then
3358 emacs_cv_netdb_declares_h_errno=yes
3360 AC_CACHE_CHECK(whether netdb declares h_errno,
3361 emacs_cv_netdb_declares_h_errno,
3362 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3363 [[return h_errno;]])],
3364 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3365 if test $emacs_cv_netdb_declares_h_errno = yes; then
3366 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3369 # Check for mail-locking functions in a "mail" library. Probably this should
3370 # have the same check as for liblockfile below.
3371 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3372 if test $have_mail = yes; then
3374 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3377 LIBS="$LIBS_MAIL $LIBS"
3378 AC_CHECK_FUNCS(touchlock)
3383 dnl Debian, at least:
3384 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3385 if test $have_lockfile = yes; then
3386 LIBS_MAIL=-llockfile
3387 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3389 # If we have the shared liblockfile, assume we must use it for mail
3390 # locking (e.g. Debian). If we couldn't link against liblockfile
3391 # (no liblockfile.a installed), ensure that we don't need to.
3392 dnl This works for files generally, not just executables.
3393 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3394 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3395 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3396 if test $ac_cv_prog_liblockfile = yes; then
3397 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3398 This probably means that movemail could lose mail.
3399 There may be a `development' package to install containing liblockfile.])
3402 AC_CHECK_HEADERS_ONCE(maillock.h)
3405 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3406 ## interlock access to the mail spool. The alternative is a lock file named
3407 ## /usr/spool/mail/$USER.lock.
3410 aix4-2) mail_lock="lockf" ;;
3412 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3414 ## On GNU/Linux systems, both methods are used by various mail programs.
3415 ## I assume most people are using newer mailers that have heard of flock.
3416 ## Change this if you need to.
3417 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3418 ## configure gets the right answers, and that means *NOT* using flock.
3419 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3420 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3421 ## Debian maintainer hasn't provided a clean fix for Emacs.
3422 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3423 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3424 ## correct logic. -- fx
3425 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3426 ## liblockfile is a Free Software replacement for libmail, used on
3427 ## Debian systems and elsewhere. -rfr.
3430 if test $have_mail = yes || test $have_lockfile = yes; then
3431 test $ac_cv_header_maillock_h = yes && mail_lock=no
3436 mail_lock="none-needed" ;;
3440 case "$mail_lock" in
3441 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3443 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3447 *) BLESSMAIL_TARGET="need-blessmail" ;;
3449 AC_SUBST(BLESSMAIL_TARGET)
3452 LIBS="$LIB_MATH $LIBS"
3453 AC_CHECK_FUNCS(accept4 gethostname \
3454 getrusage get_current_dir_name \
3455 lrand48 random rint \
3456 select getpagesize setlocale \
3457 getrlimit setrlimit shutdown getaddrinfo \
3458 strsignal setitimer \
3459 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3460 gai_strerror getline getdelim sync \
3461 getpwent endpwent getgrent endgrent \
3462 cfmakeraw cfsetspeed copysign __executable_start log2)
3465 dnl No need to check for aligned_alloc and posix_memalign if using
3466 dnl gmalloc.o, as it supplies them. Don't use these functions on
3467 dnl Darwin as they are incompatible with unexmacosx.c.
3468 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3469 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3472 dnl Cannot use AC_CHECK_FUNCS
3473 AC_CACHE_CHECK([for __builtin_unwind_init],
3474 emacs_cv_func___builtin_unwind_init,
3475 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3476 emacs_cv_func___builtin_unwind_init=yes,
3477 emacs_cv_func___builtin_unwind_init=no)])
3478 if test $emacs_cv_func___builtin_unwind_init = yes; then
3479 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3480 [Define to 1 if you have the `__builtin_unwind_init' function.])
3483 AC_CHECK_HEADERS_ONCE(sys/un.h)
3488 AC_CHECK_FUNCS(grantpt)
3490 # PTY-related GNU extensions.
3491 AC_CHECK_FUNCS(getpt posix_openpt)
3493 # Check this now, so that we will NOT find the above functions in ncurses.
3494 # That is because we have not set up to link ncurses in lib-src.
3495 # It's better to believe a function is not available
3496 # than to expect to find it in ncurses.
3497 # Also we need tputs and friends to be able to build at all.
3498 AC_MSG_CHECKING([for library containing tputs])
3499 # Run a test program that contains a call to tputs, a call that is
3500 # never executed. This tests whether a pre-'main' dynamic linker
3501 # works with the library. It's too much trouble to actually call
3502 # tputs in the test program, due to portability hassles. When
3503 # cross-compiling, assume the test program will run if it links.
3504 AC_DEFUN([tputs_link_source], [
3506 [[extern void tputs (const char *, int, int (*)(int));
3507 int main (int argc, char **argv)
3510 tputs (argv[0], 0, 0);
3514 if test "${opsys}" = "mingw32"; then
3517 # Maybe curses should be tried earlier?
3518 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3519 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3521 if test -z "$tputs_library"; then
3525 LIBS_TERMCAP=-l$tputs_library
3527 LIBS="$LIBS_TERMCAP $LIBS"
3529 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3530 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3532 if test "X$msg" != Xno; then
3537 AC_MSG_RESULT([$msg])
3538 if test "X$msg" = Xno; then
3539 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3540 The following libraries were tried (in order):
3541 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3542 Please try installing whichever of these libraries is most appropriate
3543 for your system, together with its header files.
3544 For example, a libncurses-dev(el) or similar package.])
3547 ## Use termcap instead of terminfo?
3548 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3550 ## FIXME? In the cases below where we unconditionally set
3551 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3552 ## if that was found above to have tputs.
3553 ## Should we use the gnu* logic everywhere?
3555 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3556 ## The ncurses library has been moved out of the System framework in
3557 ## Mac OS X 10.2. So if configure detects it, set the command-line
3558 ## option to use it.
3559 darwin) LIBS_TERMCAP="-lncurses" ;;
3561 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3564 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3565 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3566 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3567 [[#if __FreeBSD_version < 400000
3570 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3572 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3574 if test $emacs_cv_freebsd_terminfo = yes; then
3575 LIBS_TERMCAP="-lncurses"
3578 LIBS_TERMCAP="-ltermcap"
3588 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3590 LIBS_TERMCAP="-ltermcap"
3594 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3596 ## hpux: Make sure we get select from libc rather than from libcurses
3597 ## because libcurses on HPUX 10.10 has a broken version of select.
3598 ## We used to use -lc -lcurses, but this may be cleaner.
3599 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3600 # set that way, now it uses the default). Isn't this a contradiction?
3601 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3605 TERMCAP_OBJ=tparam.o
3606 if test $TERMINFO = yes; then
3607 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3608 TERMCAP_OBJ=terminfo.o
3610 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3611 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3613 AC_SUBST(LIBS_TERMCAP)
3614 AC_SUBST(TERMCAP_OBJ)
3617 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3618 # On Darwin, res_init appears not to be useful: see bug#562 and
3619 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3622 if test $opsys != darwin; then
3624 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3625 #include <arpa/nameser.h>
3626 #include <resolv.h>]],
3627 [[return res_init();]])],
3628 have_res_init=yes, have_res_init=no)
3629 if test "$have_res_init" = no; then
3631 LIBS="$LIBS -lresolv"
3632 AC_MSG_CHECKING(for res_init with -lresolv)
3633 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3634 #include <arpa/nameser.h>
3635 #include <resolv.h>]],
3636 [[return res_init();]])],
3637 have_res_init=yes, have_res_init=no)
3638 AC_MSG_RESULT($have_res_init)
3639 if test "$have_res_init" = yes ; then
3645 if test "$have_res_init" = yes; then
3646 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3650 # Do we need the Hesiod library to provide the support routines?
3651 dnl FIXME? Should we be skipping this on Darwin too?
3653 if test "$with_hesiod" != no ; then
3654 # Don't set $LIBS here -- see comments above. FIXME which comments?
3655 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3656 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3657 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3658 if test "$resolv" = yes ; then
3663 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3664 hesiod=yes, :, $RESOLVLIB)])
3666 if test x"$hesiod" = xyes; then
3672 # Do we need libresolv (due to res_init or Hesiod)?
3673 if test "$resolv" = yes && test $opsys != darwin; then
3680 # These tell us which Kerberos-related libraries to use.
3687 if test "${with_kerberos}" != no; then
3689 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3690 if test $have_com_err = yes; then
3691 COM_ERRLIB=-lcom_err
3692 LIBS="$COM_ERRLIB $LIBS"
3694 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3695 if test $have_crypto = yes; then
3697 LIBS="$CRYPTOLIB $LIBS"
3699 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3700 if test $have_k5crypto = yes; then
3701 CRYPTOLIB=-lk5crypto
3702 LIBS="$CRYPTOLIB $LIBS"
3704 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3705 if test $have_krb5=yes; then
3707 LIBS="$KRB5LIB $LIBS"
3709 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3710 if test "${with_kerberos5}" = no; then
3711 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3712 if test $have_des425 = yes; then
3714 LIBS="$DESLIB $LIBS"
3716 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3717 if test $have_des = yes; then
3719 LIBS="$DESLIB $LIBS"
3722 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3723 if test $have_krb4 = yes; then
3725 LIBS="$KRB4LIB $LIBS"
3727 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3728 if test $have_krb = yes; then
3730 LIBS="$KRB4LIB $LIBS"
3735 if test "${with_kerberos5}" != no; then
3736 AC_CHECK_HEADERS(krb5.h,
3737 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3738 [#include <krb5.h>])])
3740 AC_CHECK_HEADERS(krb.h,,
3741 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3742 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3744 AC_CHECK_HEADERS(com_err.h)
3748 AC_SUBST(COM_ERRLIB)
3754 AC_CHECK_HEADERS(valgrind/valgrind.h)
3756 AC_CHECK_FUNCS_ONCE(tzset)
3757 AC_MSG_CHECKING(whether localtime caches TZ)
3758 AC_CACHE_VAL(emacs_cv_localtime_cache,
3759 [if test x$ac_cv_func_tzset = xyes; then
3760 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3761 char TZ_GMT0[] = "TZ=GMT0";
3762 char TZ_PST8[] = "TZ=PST8";
3765 time_t now = time ((time_t *) 0);
3766 int hour_GMT0, hour_unset;
3767 if (putenv (TZ_GMT0) != 0)
3769 hour_GMT0 = localtime (&now)->tm_hour;
3771 hour_unset = localtime (&now)->tm_hour;
3772 if (putenv (TZ_PST8) != 0)
3774 if (localtime (&now)->tm_hour == hour_GMT0)
3777 if (localtime (&now)->tm_hour != hour_unset)
3780 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3781 [# If we have tzset, assume the worst when cross-compiling.
3782 emacs_cv_localtime_cache=yes])
3784 # If we lack tzset, report that localtime does not cache TZ,
3785 # since we can't invalidate the cache if we don't have tzset.
3786 emacs_cv_localtime_cache=no
3788 AC_MSG_RESULT($emacs_cv_localtime_cache)
3789 if test $emacs_cv_localtime_cache = yes; then
3790 AC_DEFINE(LOCALTIME_CACHE, 1,
3791 [Define to 1 if localtime caches TZ.])
3795 AC_CHECK_FUNC(socket, , ok_so_far=no)
3796 if test $ok_so_far = yes; then
3797 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3799 if test $ok_so_far = yes; then
3800 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3802 if test $ok_so_far = yes; then
3803 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3804 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3805 [Define to 1 if you have inet sockets.])
3808 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3809 dnl This can be removed once we assume Autoconf 2.70.
3811 *-solaris2.4 | *-solaris2.4.*)
3812 dnl Disable the Autoconf-generated vfork test.
3813 : ${ac_cv_func_vfork_works=no};;
3818 AC_CHECK_FUNCS(snprintf)
3820 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3825 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3826 LIBS="$LIBS $GFILENOTIFY_LIBS"
3827 AC_MSG_CHECKING([whether GLib is linked in])
3828 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3831 [[g_print ("Hello world");]])],
3834 AC_MSG_RESULT([$links_glib])
3835 if test "${links_glib}" = "yes"; then
3836 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3837 if test "$HAVE_NS" = no;then
3845 dnl Adapted from Haible's version.
3846 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3847 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3848 [[char* cs = nl_langinfo(CODESET);]])],
3849 emacs_cv_langinfo_codeset=yes,
3850 emacs_cv_langinfo_codeset=no)
3852 if test $emacs_cv_langinfo_codeset = yes; then
3853 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3854 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3859 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3860 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3861 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3862 if test "$emacs_cv_c_restrict_arr" = yes; then
3863 AC_DEFINE(__restrict_arr, __restrict,
3864 [Define to compiler's equivalent of C99 restrict keyword in array
3865 declarations. Define as empty for no equivalent.])
3868 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3869 dnl how the tty code is related to POSIX and/or other versions of termios.
3870 dnl The following looks like a useful start.
3872 dnl AC_SYS_POSIX_TERMIOS
3873 dnl if test $ac_cv_sys_posix_termios = yes; then
3874 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3875 dnl and macros for terminal control.])
3876 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3879 dnl Turned on June 1996 supposing nobody will mind it.
3880 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3881 if test "${opsys}" != "mingw32"; then
3882 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3883 in the full name stands for the login id.])
3886 dnl Everybody supports this, except MS.
3887 dnl Seems like the kind of thing we should be testing for, though.
3888 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3889 if test "${opsys}" != "mingw32"; then
3890 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3893 dnl Everybody supports this, except MS-DOS.
3894 dnl Seems like the kind of thing we should be testing for, though.
3895 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3896 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3897 4.2-compatible sockets.])
3899 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3901 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3902 a null file, or a data sink.])
3903 if test "${opsys}" = "mingw32"; then
3904 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3906 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3909 if test "${opsys}" = "mingw32"; then
3914 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3915 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3916 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3917 dnl decides that a command-line argument to be passed to a MinGW program
3918 dnl is a PATH-style list of directories. But that heuristics plays it
3919 dnl safe, and only does the replacement when it is _absolutely_ sure it
3920 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3921 dnl which breaks in-tree builds. So we do this manually instead.
3922 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3923 dnl be computed as ':' in MSYS Bash.
3926 dnl Everybody supports this, except MS-DOS.
3927 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3929 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3932 AC_DEFINE(DIRECTORY_SEP, ['/'],
3933 [Character that separates directories in a file name.])
3935 if test "${opsys}" = "mingw32"; then
3936 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3937 [Returns true if character is a device separator.])
3939 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3940 [Returns true if character is a directory separator.])
3942 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3943 [Returns true if character is any form of separator.])
3945 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3946 [Returns true if character is a device separator.])
3948 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3949 [Returns true if character is a directory separator.])
3951 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3952 [Returns true if character is any form of separator.])
3955 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3959 dnl Unfortunately without libXmu we cannot support EditRes.
3960 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
3961 AC_DEFINE(NO_EDITRES, 1)
3966 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3967 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3968 AC_DEFINE(NO_EDITRES, 1)
3974 irix6-5 | sol2* | unixware )
3975 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3976 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3977 dnl need the constant to dimension an array. So wire in the appropriate
3979 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3983 emacs_broken_SIGIO=no
3986 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3987 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3988 hpux* | irix6-5 | openbsd | sol2* | unixware )
3989 emacs_broken_SIGIO=yes
3993 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3994 dnl the way this system works, libc functions that return malloced
3995 dnl memory use the libc malloc implementation. Calling xfree or
3996 dnl xrealloc on the results of such functions results in a crash.
3998 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3999 dnl but that does not currently work on this system.
4001 dnl It is possible to completely override the malloc implementation on
4002 dnl AIX, but that involves putting the malloc functions in a shared
4003 dnl library and setting the MALLOCTYPE environment variable to point to
4004 dnl that shared library.
4006 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4007 dnl to avoid a crash just use the Emacs implementation for that function.
4009 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4010 dnl of this file, so that we do not check for get_current_dir_name
4011 dnl on AIX. But that might be fragile if something else ends
4012 dnl up testing for get_current_dir_name as a dependency.
4013 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4014 get_current_dir_name should not be used.])
4018 dnl Circumvent a bug in FreeBSD. In the following sequence of
4019 dnl writes/reads on a PTY, read(2) returns bogus data:
4021 dnl write(2) 1022 bytes
4022 dnl write(2) 954 bytes, get EAGAIN
4023 dnl read(2) 1024 bytes in process_read_output
4024 dnl read(2) 11 bytes in process_read_output
4026 dnl That is, read(2) returns more bytes than have ever been written
4027 dnl successfully. The 1033 bytes read are the 1022 bytes written
4028 dnl successfully after processing (for example with CRs added if the
4029 dnl terminal is set up that way which it is here). The same bytes will
4030 dnl be seen again in a later read(2), without the CRs.
4031 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4032 work around an issue when reading from a PTY.])
4038 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4039 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4044 darwin | dragonfly | freebsd | netbsd | openbsd )
4045 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4046 close a pty to make it a controlling terminal (it is already a
4047 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4051 dnl FIXME Surely we can test for this rather than hard-code it.
4053 netbsd | openbsd) sound_device="/dev/audio" ;;
4054 *) sound_device="/dev/dsp" ;;
4058 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4059 [Name of the default sound device.])
4062 dnl Emacs can read input using SIGIO and buffering characters itself,
4063 dnl or using CBREAK mode and making C-g cause SIGINT.
4064 dnl The choice is controlled by the variable interrupt_input.
4066 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4068 dnl Emacs uses the presence of the USABLE_SIGIO macro
4069 dnl to indicate whether or not signal-driven I/O is possible. It uses
4070 dnl INTERRUPT_INPUT to decide whether to use it by default.
4072 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4073 dnl CBREAK mode has two disadvantages
4074 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4075 dnl I hear that in system V this problem does not exist.
4076 dnl 2) Control-G causes output to be discarded.
4077 dnl I do not know whether this can be fixed in system V.
4079 dnl Another method of doing input is planned but not implemented.
4080 dnl It would have Emacs fork off a separate process
4081 dnl to read the input and send it to the true Emacs process
4084 darwin | gnu-linux | gnu-kfreebsd )
4085 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4090 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4091 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4092 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4093 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4094 dnl taking float or double parameters.
4096 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4097 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4098 file defines `NeedWidePrototypes' as `NO'.])
4103 dnl Used in process.c, this must be a loop, even if it only runs once.
4104 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4105 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4106 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4107 dnl trying suffixes 0-16.
4108 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4109 first PTY, if PTYs are supported.])
4110 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4111 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4112 end of a PTY, if non-standard.])
4113 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4114 end of a PTY, if non-standard.])
4118 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4119 dnl You allocate a pty by opening /dev/ptc to get the master side.
4120 dnl To get the name of the slave side, you just ttyname() the master side.
4121 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4122 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4126 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4127 dnl multi-line AC_DEFINEs are hard. :(
4128 AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (false)])
4129 AC_DEFINE(PTY_NAME_SPRINTF, [])
4130 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4133 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4135 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4136 dnl Not used, because PTY_ITERATION is defined.
4137 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4138 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4139 dnl But we don't have to block SIGCHLD because it is blocked in the
4140 dnl implementation of grantpt.
4141 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4142 AC_DEFINE(PTY_NAME_SPRINTF, [])
4143 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4147 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4150 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4152 if test "x$ac_cv_func_grantpt" = xyes; then
4153 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4154 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4155 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4156 dnl to prevent sigchld_handler from intercepting the child's death.
4157 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); }])
4158 dnl if HAVE_POSIX_OPENPT
4159 if test "x$ac_cv_func_posix_openpt" = xyes; then
4160 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4161 AC_DEFINE(PTY_NAME_SPRINTF, [])
4163 elif test "x$ac_cv_func_getpt" = xyes; then
4164 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4165 AC_DEFINE(PTY_NAME_SPRINTF, [])
4167 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4170 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4175 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4176 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4177 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4181 dnl It looks like this cannot be right, because it is not a loop.
4182 dnl However, process.c actually does this:
4188 dnl which presumably makes it OK, since irix == sgi (?).
4189 dnl FIXME it seems like this special treatment is unnecessary?
4190 dnl Why can't irix use a single-trip loop like eg cygwin?
4191 AC_DEFINE(PTY_ITERATION, [])
4192 dnl Not used, because PTY_ITERATION is defined.
4193 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4194 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); }])
4195 dnl No need to get the pty name at all.
4196 AC_DEFINE(PTY_NAME_SPRINTF, [])
4197 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4198 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4202 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4203 dnl from intercepting that death. If any child but grantpt's should die
4204 dnl within, it should be caught after sigrelse(2).
4205 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); }])
4209 dnl Comments are as per sol2*.
4210 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); }])
4217 dnl This change means that we don't loop through allocate_pty too
4218 dnl many times in the (rare) event of a failure.
4219 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4220 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4221 dnl Push various streams modules onto a PTY channel. Used in process.c.
4222 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.])
4227 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4228 "typing" a signal character on the pty.])
4231 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4232 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4233 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4234 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4237 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4238 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4239 gnu-linux | gnu-kfreebsd )
4241 AC_MSG_CHECKING([for signals via characters])
4242 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4243 #include <linux/version.h>
4244 #if LINUX_VERSION_CODE < 0x20400
4245 # error "Linux version too old"
4247 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4249 AC_MSG_RESULT([$emacs_signals_via_chars])
4250 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4255 dnl Used in lisp.h, emacs.c, vm-limit.c
4256 dnl NEWS.18 describes this as "a number which contains
4257 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4258 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4259 stored in a Lisp_Object.])
4260 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4264 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4265 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4268 dnl The data segment on this machine always starts at address 0x40000000.
4269 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4272 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4277 AH_TEMPLATE(TAB3, [Undocumented.])
4280 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4282 gnu | dragonfly | freebsd | netbsd | openbsd )
4283 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4284 AC_DEFINE(TAB3, OXTABS)
4287 gnu-linux | gnu-kfreebsd )
4288 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4292 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4293 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4294 [Mark a secondary stack, like the register stack on the ia64.]), [])
4298 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4299 run_time_remap; for HPUX.])
4304 dnl This won't be used automatically yet. We also need to know, at least,
4305 dnl that the stack is continuous.
4306 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4307 registers relevant for conservative garbage collection in the jmp_buf.])
4311 dnl Not all the architectures are tested, but there are Debian packages
4312 dnl for SCM and/or Guile on them, so the technique must work. See also
4313 dnl comments in alloc.c concerning setjmp and gcc.
4314 dnl Fixme: it's probably safe to just use the GCC conditional below.
4315 gnu-linux | gnu-kfreebsd )
4316 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4317 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4318 || defined __alpha__ || defined __mips__ || defined __s390__ \
4319 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4320 || defined __ia64__ || defined __sh__
4323 # error "setjmp not known to work on this arch"
4325 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4330 if test x$GCC = xyes; then
4331 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4332 AC_DEFINE(GC_SETJMP_WORKS, 1)
4335 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4336 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4337 AC_DEFINE(GC_SETJMP_WORKS, 1)
4342 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4343 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4346 [[#include <setjmp.h>
4348 # define _longjmp longjmp
4353 _longjmp (j, 1);]])],
4354 [emacs_cv_func__setjmp=yes],
4355 [emacs_cv_func__setjmp=no])])
4356 if test $emacs_cv_func__setjmp = yes; then
4357 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4359 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4362 [[#include <setjmp.h>
4365 if (! sigsetjmp (j, 1))
4366 siglongjmp (j, 1);]])],
4367 [emacs_cv_func_sigsetjmp=yes],
4368 [emacs_cv_func_sigsetjmp=no])])
4369 if test $emacs_cv_func_sigsetjmp = yes; then
4370 AC_DEFINE([HAVE_SIGSETJMP], 1,
4371 [Define to 1 if sigsetjmp and siglongjmp work.
4372 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4378 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4379 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4380 dnl and this is all we need.
4381 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4388 dnl Used in xfaces.c.
4389 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4390 some systems, where it requires time.h.])
4395 dnl Define symbols to identify the version of Unix this is.
4396 dnl Define all the symbols that apply correctly.
4397 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4398 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4399 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4400 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4405 dnl This symbol should be defined on AIX Version 3 ???????
4406 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4408 # error "_AIX not defined"
4410 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4414 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4418 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4419 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4420 dnl distinguish OS X from pure Darwin.
4421 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4424 gnu-linux | gnu-kfreebsd )
4426 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4431 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4436 AC_DEFINE(USG5_4, [])
4437 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4441 AC_DEFINE(DOS_NT, [])
4442 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4443 if test "x$ac_enable_checking" != "x" ; then
4444 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4450 AC_DEFINE(USG5_4, [])
4451 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4456 AC_DEFINE(USG5_4, [])
4460 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4463 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4464 emacs_cv_usable_FIONREAD=no
4468 emacs_cv_usable_FIONREAD=yes
4473 [AC_LANG_PROGRAM([[#include <sys/types.h>
4474 #include <sys/ioctl.h>
4476 # include <sys/filio.h>
4479 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4480 [emacs_cv_usable_FIONREAD=yes],
4481 [emacs_cv_usable_FIONREAD=no])
4484 if test $emacs_cv_usable_FIONREAD = yes; then
4485 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4487 if test $emacs_broken_SIGIO = no; then
4488 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4490 [AC_LANG_PROGRAM([[#include <fcntl.h>
4493 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4494 [emacs_cv_usable_SIGIO=yes],
4495 [emacs_cv_usable_SIGIO=no])],
4496 [emacs_cv_usable_SIGIO=yes],
4497 [emacs_cv_usable_SIGIO=no])
4498 if test $emacs_cv_usable_SIGIO = yes; then
4499 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4506 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4507 dnl and on Cygwin prior to version 1.7.24 that becomes the
4508 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4509 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4510 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4511 dnl needed starting with cygwin-1.7.24, and it is no longer
4512 dnl effective starting with glib-2.36. */
4514 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4515 G_SLICE environment variable to "always-malloc" at startup.])
4519 dnl It works to open the pty's tty in the parent (Emacs), then
4520 dnl close and reopen it in the child.
4521 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4522 works to open a pty's tty in the parent process, then close and
4523 reopen it in the child.])
4527 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4528 use VSUSP instead of VSWTCH.])
4532 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4537 # Set up the CFLAGS for real compilation, so we can substitute it.
4538 CFLAGS="$REAL_CFLAGS"
4539 CPPFLAGS="$REAL_CPPFLAGS"
4542 ## Hack to detect a buggy GCC version.
4543 if test "x$GCC" = xyes \
4544 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4545 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4546 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4547 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4550 version=$PACKAGE_VERSION
4552 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4553 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4554 [Short copyright string for this version of Emacs.])
4557 ### Specify what sort of things we'll be editing into Makefile and config.h.
4558 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4560 AC_SUBST(configuration)
4565 AC_SUBST(exec_prefix)
4568 AC_SUBST(sharedstatedir)
4569 AC_SUBST(libexecdir)
4573 AC_SUBST(standardlisppath)
4574 AC_SUBST(locallisppath)
4576 AC_SUBST(x_default_search_path)
4578 AC_SUBST(archlibdir)
4583 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4584 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4585 ## end of LIBX_BASE, but nothing ever set it.
4586 AC_SUBST(LD_SWITCH_X_SITE)
4587 AC_SUBST(C_SWITCH_X_SITE)
4588 AC_SUBST(GNUSTEP_CFLAGS)
4590 ## Used in lwlib/Makefile.in.
4591 AC_SUBST(X_TOOLKIT_TYPE)
4593 AC_SUBST(ns_appbindir)
4594 AC_SUBST(ns_appresdir)
4596 AC_SUBST(GNU_OBJC_CFLAGS)
4597 AC_SUBST(OTHER_FILES)
4599 if test -n "${term_header}"; then
4600 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4601 [Define to the header for the built-in window system.])
4604 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4605 [Define to the canonical Emacs configuration name.])
4606 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4607 [Define to the options passed to configure.])
4608 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4609 define this to include extra configuration information.])
4613 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4620 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4621 AC_DEFINE(HAVE_X_WINDOWS, 1,
4622 [Define to 1 if you want to use the X window system.])
4624 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4626 if test "$HAVE_XFT" = "yes"; then
4627 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4628 elif test "$HAVE_FREETYPE" = "yes"; then
4629 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4639 if test "${USE_X_TOOLKIT}" != "none" ; then
4641 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4642 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4643 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4644 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4645 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4649 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4650 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4654 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4655 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4656 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4660 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4661 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4664 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4667 AC_SUBST(WIDGET_OBJ)
4670 case "$USE_X_TOOLKIT" in
4671 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4672 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4673 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4675 AC_SUBST(TOOLKIT_LIBW)
4677 if test "${opsys}" != "mingw32"; then
4678 if test "$USE_X_TOOLKIT" = "none"; then
4679 LIBXT_OTHER="\$(LIBXSM)"
4681 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4684 AC_SUBST(LIBXT_OTHER)
4686 if test "${HAVE_X11}" = "yes" ; then
4687 AC_DEFINE(HAVE_X11, 1,
4688 [Define to 1 if you want to use version 11 of X windows.])
4689 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4693 AC_SUBST(LIBX_OTHER)
4695 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4697 elif test "$USE_X_TOOLKIT" = none; then
4698 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4700 LIBXMENU='$(lwlibdir)/liblw.a'
4704 if test "${GNU_MALLOC}" = "yes" ; then
4705 AC_DEFINE(GNU_MALLOC, 1,
4706 [Define to 1 if you want to use the GNU memory allocator.])
4710 if test "${REL_ALLOC}" = "yes" ; then
4711 AC_DEFINE(REL_ALLOC, 1,
4712 [Define REL_ALLOC if you want to use the relocating allocator for
4715 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4717 AC_SUBST(RALLOC_OBJ)
4719 if test "$opsys" = "cygwin"; then
4720 CYGWIN_OBJ="sheap.o cygw32.o"
4721 ## Cygwin differs because of its unexec().
4723 POST_ALLOC_OBJ=lastfile.o
4724 elif test "$opsys" = "mingw32"; then
4727 POST_ALLOC_OBJ=lastfile.o
4730 PRE_ALLOC_OBJ=lastfile.o
4733 AC_SUBST(CYGWIN_OBJ)
4734 AC_SUBST(PRE_ALLOC_OBJ)
4735 AC_SUBST(POST_ALLOC_OBJ)
4737 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4738 dnl verbatim defined above. The tricky name is apropos, as this hack
4739 dnl makes Fortify go sour!
4740 AH_VERBATIM([FORTIFY_SOUR],
4741 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4742 The workaround disables some useful run-time checking, so it
4743 should be conditional to the platforms with the performance bug.
4744 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4745 #if defined __APPLE__ && defined __GNUC__
4746 # ifndef _DONT_USE_CTYPE_INLINE_
4747 # define _DONT_USE_CTYPE_INLINE_
4749 # ifndef _FORTIFY_SOURCE
4750 # define _FORTIFY_SOURCE 0
4755 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4756 # it temporarily reverts them to their pre-pkg-config values,
4757 # because gnulib needs to work with both src (which uses the
4758 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4759 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4760 # and it therefore needs to run in an environment where LIBS does not
4761 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4762 # for some package unrelated to lib-src.
4765 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4766 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4767 gl_ASSERT_NO_GNULIB_POSIXCHECK
4768 gl_ASSERT_NO_GNULIB_TESTS
4773 if test "${opsys}" = "mingw32"; then
4774 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4775 # Remove unneeded switches from the value of CC that goes to Makefiles
4776 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4780 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4783 ## The -headerpad option tells ld (see man page) to leave room at the
4784 ## end of the header for adding load commands. Needed for dumping.
4785 ## 0x690 is the total size of 30 segment load commands (at 56
4786 ## each); under Cocoa 31 commands are required.
4787 if test "$HAVE_NS" = "yes"; then
4788 libs_nsgui="-framework AppKit"
4789 if test "$NS_IMPL_COCOA" = "yes"; then
4790 libs_nsgui="$libs_nsgui -framework IOKit"
4797 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4799 ## This is here because src/Makefile.in did some extra fiddling around
4800 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4801 ## LD_SWITCH_SYSTEM_TEMACS instead,
4802 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4803 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4806 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4807 ## find X at run-time.
4808 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4809 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4810 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4811 ## had different values in configure (in ac_link) and src/Makefile.in.
4812 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4813 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4816 ## MinGW64 does not prepend an underscore to symbols, so we must
4817 ## pass a different -entry switch to linker. FIXME: It is better
4818 ## to make the entry points the same by changing unexw32.c.
4819 case "$canonical" in
4820 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4821 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4825 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4827 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4830 if test x$ac_enable_profiling != x ; then
4832 *freebsd | gnu-linux) ;;
4833 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4837 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4839 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4841 ## MinGW-specific post-link processing of temacs.
4842 TEMACS_POST_LINK=":"
4845 if test "${opsys}" = "mingw32"; then
4846 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4847 ADDSECTION="../nt/addsection\$(EXEEXT)"
4848 ## Preload heap size of temacs.exe in MB.
4849 case "$canonical" in
4850 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4851 *) EMACS_HEAPSIZE=27 ;;
4855 AC_SUBST(ADDSECTION)
4856 AC_SUBST(TEMACS_POST_LINK)
4857 AC_SUBST(EMACS_HEAPSIZE)
4859 ## Common for all window systems
4860 if test "$window_system" != "none"; then
4861 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4862 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4865 AC_SUBST(WINDOW_SYSTEM_OBJ)
4867 AH_TOP([/* GNU Emacs site configuration template file.
4869 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4870 Free Software Foundation, Inc.
4872 This file is part of GNU Emacs.
4874 GNU Emacs is free software: you can redistribute it and/or modify
4875 it under the terms of the GNU General Public License as published by
4876 the Free Software Foundation, either version 3 of the License, or
4877 (at your option) any later version.
4879 GNU Emacs is distributed in the hope that it will be useful,
4880 but WITHOUT ANY WARRANTY; without even the implied warranty of
4881 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4882 GNU General Public License for more details.
4884 You should have received a copy of the GNU General Public License
4885 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4888 /* No code in Emacs #includes config.h twice, but some bits of code
4889 intended to work with other packages as well (like gmalloc.c)
4890 think they can include it as many times as they like. */
4891 #ifndef EMACS_CONFIG_H
4892 #define EMACS_CONFIG_H
4895 AH_BOTTOM([#include <conf_post.h>
4897 #endif /* EMACS_CONFIG_H */
4906 #### Report on what we decided to do.
4907 #### Report GTK as a toolkit, even if it doesn't use Xt.
4908 #### It makes printing result more understandable as using GTK sets
4909 #### toolkit_scroll_bars to yes by default.
4910 if test "${HAVE_GTK}" = "yes"; then
4911 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4914 if test $USE_ACL -ne 0; then
4915 ACL_SUMMARY="yes $LIB_ACL"
4921 Configured for \`${canonical}'.
4923 Where should the build process find the source code? ${srcdir}
4924 What compiler should emacs be built with? ${CC} ${CFLAGS}
4925 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4926 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4927 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4928 What window system should Emacs use? ${window_system}
4929 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4931 if test -n "${x_includes}"; then
4932 echo " Where do we find X Windows header files? ${x_includes}"
4934 echo " Where do we find X Windows header files? Standard dirs"
4936 if test -n "${x_libraries}"; then
4937 echo " Where do we find X Windows libraries? ${x_libraries}"
4939 echo " Where do we find X Windows libraries? Standard dirs"
4943 emacs_config_features=
4944 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
4945 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
4949 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
4950 *) eval val=\${HAVE_$opt} ;;
4952 test x"$val" = xno && continue
4953 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
4956 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
4957 [Summary of some of the main features enabled by configure.])
4959 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4960 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4961 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4962 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4963 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4964 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4965 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4966 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4968 echo " Does Emacs support sound? ${HAVE_SOUND}"
4970 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4971 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4972 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4973 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4974 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4975 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
4976 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4977 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4978 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4980 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4981 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4982 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4983 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4984 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4986 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4989 if test -n "${EMACSDATA}"; then
4990 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4992 if test -n "${EMACSDOC}"; then
4993 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4998 if test "$HAVE_NS" = "yes"; then
5000 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5001 The installed application will go to nextstep/Emacs.app and can be
5002 run or moved from there."
5003 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5004 echo "The application will be fully self-contained."
5006 echo "The lisp resources for the application will be installed under ${prefix}.
5007 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5008 to run if these resources are not installed."
5013 if test "${opsys}" = "cygwin"; then
5015 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5021 # Remove any trailing slashes in these variables.
5022 [test "${prefix}" != NONE &&
5023 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5024 test "${exec_prefix}" != NONE &&
5025 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5027 if test "$HAVE_NS" = "yes"; then
5028 if test "$NS_IMPL_GNUSTEP" = yes; then
5029 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5030 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5031 ns_check_file=Resources/Info-gnustep.plist
5033 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5034 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5035 ns_check_file=Contents/Info.plist
5037 AC_SUBST(ns_check_file)
5040 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5041 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5042 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5043 dnl (else you get "no `Makefile.am' found for any configure output").
5044 dnl This will work, but you get a config.status that is not quite right
5045 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5046 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5047 dnl it seems better to just live with the duplication.
5048 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5050 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5051 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5052 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5053 leim/Makefile nextstep/Makefile nt/Makefile])
5055 dnl test/ is not present in release tarfiles.
5056 opt_makefile=test/automated/Makefile
5058 if test -f "$srcdir/$opt_makefile.in"; then
5059 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5060 dnl Again, it's best not to use a variable. Though you can add
5061 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5062 AC_CONFIG_FILES([test/automated/Makefile])
5066 dnl The admin/ directory used to be excluded from tarfiles.
5067 if test -d $srcdir/admin; then
5068 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5069 AC_CONFIG_FILES([admin/unidata/Makefile])
5070 AC_CONFIG_FILES([admin/grammars/Makefile])
5074 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5076 AC_SUBST(SUBDIR_MAKEFILES_IN)
5078 dnl You might wonder (I did) why epaths.h is generated by running make,
5079 dnl rather than just letting configure generate it from epaths.in.
5080 dnl One reason is that the various paths are not fully expanded (see above);
5081 dnl eg gamedir=${prefix}/var/games/emacs.
5082 dnl Secondly, the GNU Coding standards require that one should be able
5083 dnl to run `make prefix=/some/where/else' and override the values set
5084 dnl by configure. This also explains the `move-if-change' test and
5085 dnl the use of force in the `epaths-force' rule in Makefile.in.
5086 AC_CONFIG_COMMANDS([src/epaths.h], [
5087 if test "${opsys}" = "mingw32"; then
5088 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5090 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5092 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5094 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5095 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5097 AC_CONFIG_COMMANDS([src/.gdbinit], [
5098 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5099 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit