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, 1999-2012 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.1.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
28 AC_CONFIG_AUX_DIR(build-aux)
31 dnl Support for --program-prefix, --program-suffix and
32 dnl --program-transform-name options
35 dnl It is important that variables on the RHS not be expanded here,
36 dnl hence the single quotes. This is per the GNU coding standards, see
37 dnl (autoconf) Installation Directory Variables
38 dnl See also epaths.h below.
39 lispdir='${datadir}/emacs/${version}/lisp'
40 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
41 '${datadir}/emacs/site-lisp'
42 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
43 etcdir='${datadir}/emacs/${version}/etc'
44 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
45 docdir='${datadir}/emacs/${version}/etc'
46 gamedir='${localstatedir}/games/emacs'
48 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
49 dnl Create a new --with option that defaults to being disabled.
50 dnl NAME is the base name of the option. The shell variable with_NAME
51 dnl will be set to either the user's value (if the option is
52 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
53 dnl option is not specified). Note that the shell variable name is
54 dnl constructed as autoconf does, by replacing non-alphanumeric
55 dnl characters with "_".
56 dnl HELP-STRING is the help text for the option.
57 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
58 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
59 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
62 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
63 dnl Create a new --with option that defaults to being enabled. NAME
64 dnl is the base name of the option. The shell variable with_NAME
65 dnl will be set either to 'no' (for a plain --without-NAME) or to
66 dnl 'yes' (if the option is not specified). Note that the shell
67 dnl variable name is constructed as autoconf does, by replacing
68 dnl non-alphanumeric characters with "_".
69 dnl HELP-STRING is the help text for the option.
70 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
71 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
72 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
75 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
76 if test "$with_pop" = yes; then
77 AC_DEFINE(MAIL_USE_POP)
79 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
81 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
82 if test "$with_kerberos" != no; then
86 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
88 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
89 if test "${with_kerberos5}" != no; then
90 if test "${with_kerberos}" = no; then
94 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
97 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
98 dnl FIXME hesiod support may not be present, so it seems like an error
99 dnl to define, or at least use, this unconditionally.
100 if test "$with_hesiod" != no; then
101 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
104 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
105 if test "$with_mmdf" != no; then
106 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
109 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
110 if test "$with_mail_unlink" != no; then
111 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
114 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
115 [string giving default POP mail host])],
116 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
118 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
120 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
121 if test "$with_sync_input" = yes; then
122 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
125 dnl FIXME currently it is not the last.
126 dnl This should be the last --with option, because --with-x is
127 dnl added later on when we find the path of X, and it's best to
128 dnl keep them together visually.
129 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
130 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
131 [ case "${withval}" in
132 y | ye | yes ) val=gtk ;;
134 l | lu | luc | luci | lucid ) val=lucid ;;
135 a | at | ath | athe | athen | athena ) val=athena ;;
136 m | mo | mot | moti | motif ) val=motif ;;
137 g | gt | gtk ) val=gtk ;;
140 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
141 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
142 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
148 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
149 if test "$with_wide_int" = yes; then
150 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
153 dnl _ON results in a '--without' option in the --help output, so
154 dnl the help text should refer to "don't compile", etc.
155 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
156 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
157 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
158 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
159 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
160 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
161 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
162 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
164 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
165 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
166 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
168 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
169 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
170 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
171 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
173 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
174 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
175 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
176 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
177 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
178 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
180 ## For the times when you want to build Emacs but don't have
181 ## a suitable makeinfo, and can live without the manuals.
182 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
183 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
185 ## Makefile.in needs the cache file name.
188 ## This is an option because I do not know if all info/man support
189 ## compressed files, nor how to test if they do so.
190 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
191 if test $with_compress_info = yes; then
198 AC_ARG_WITH([pkg-config-prog],dnl
199 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
200 [path to pkg-config for finding GTK and librsvg])])
201 if test "X${with_pkg_config_prog}" != X; then
202 if test "${with_pkg_config_prog}" != yes; then
203 PKG_CONFIG="${with_pkg_config_prog}"
208 AC_ARG_WITH([crt-dir],dnl
209 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
210 The default is /usr/lib, or /usr/lib64 on some platforms.])])
211 CRT_DIR="${with_crt_dir}"
213 AC_ARG_WITH(gameuser,dnl
214 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
215 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
216 && gameuser="${with_gameuser}"
217 test "X$gameuser" = X && gameuser=games
219 AC_ARG_WITH([gnustep-conf],dnl
220 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
221 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
222 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
223 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
224 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
226 AC_ARG_ENABLE(ns-self-contained,
227 [AS_HELP_STRING([--disable-ns-self-contained],
228 [disable self contained build under NeXTstep])],
229 EN_NS_SELF_CONTAINED=$enableval,
230 EN_NS_SELF_CONTAINED=yes)
232 AC_ARG_ENABLE(asserts,
233 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
234 USE_XASSERTS=$enableval,
237 AC_ARG_ENABLE(maintainer-mode,
238 [AS_HELP_STRING([--disable-maintainer-mode],
239 [disable make rules and dependencies not useful (and sometimes
240 confusing) to the casual installer])],
241 USE_MAINTAINER_MODE=$enableval,
242 USE_MAINTAINER_MODE=yes)
243 if test $USE_MAINTAINER_MODE = yes; then
250 AC_ARG_ENABLE(locallisppath,
251 [AS_HELP_STRING([--enable-locallisppath=PATH],
252 [directories Emacs should search for lisp files specific
254 if test "${enableval}" = "no"; then
256 elif test "${enableval}" != "yes"; then
257 locallisppath=${enableval}
260 AC_ARG_ENABLE(checking,
261 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
262 [enable expensive run-time checks. With LIST,
263 enable only specific categories of checks.
264 Categories are: all,yes,no.
265 Flags are: stringbytes, stringoverrun, stringfreelist,
266 xmallocoverrun, conslist])],
267 [ac_checking_flags="${enableval}"],[])
268 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
269 for check in $ac_checking_flags
272 # these set all the flags to specific states
273 yes) ac_enable_checking=1 ;;
274 no) ac_enable_checking= ;
275 ac_gc_check_stringbytes= ;
276 ac_gc_check_string_overrun= ;
277 ac_gc_check_string_free_list= ;
278 ac_xmalloc_overrun= ;
279 ac_gc_check_cons_list= ;;
280 all) ac_enable_checking=1 ;
281 ac_gc_check_stringbytes=1 ;
282 ac_gc_check_string_overrun=1 ;
283 ac_gc_check_string_free_list=1 ;
284 ac_xmalloc_overrun=1 ;
285 ac_gc_check_cons_list=1 ;;
286 # these enable particular checks
287 stringbytes) ac_gc_check_stringbytes=1 ;;
288 stringoverrun) ac_gc_check_string_overrun=1 ;;
289 stringfreelist) ac_gc_check_string_free_list=1 ;;
290 xmallocoverrun) ac_xmalloc_overrun=1 ;;
291 conslist) ac_gc_check_cons_list=1 ;;
292 *) AC_MSG_ERROR(unknown check category $check) ;;
297 if test x$ac_enable_checking != x ; then
298 AC_DEFINE(ENABLE_CHECKING, 1,
299 [Enable expensive run-time checking of data types?])
301 if test x$ac_gc_check_stringbytes != x ; then
302 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
303 [Define this temporarily to hunt a bug. If defined, the size of
304 strings is redundantly recorded in sdata structures so that it can
305 be compared to the sizes recorded in Lisp strings.])
307 if test x$ac_gc_check_string_overrun != x ; then
308 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
309 [Define this to check for short string overrun.])
311 if test x$ac_gc_check_string_free_list != x ; then
312 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
313 [Define this to check the string free list.])
315 if test x$ac_xmalloc_overrun != x ; then
316 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
317 [Define this to check for malloc buffer overrun.])
319 if test x$ac_gc_check_cons_list != x ; then
320 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
321 [Define this to check for errors in cons list.])
324 AC_ARG_ENABLE(use-lisp-union-type,
325 [AS_HELP_STRING([--enable-use-lisp-union-type],
326 [use a union for the Lisp_Object data type.
327 This is only useful for development for catching certain types of bugs.])],
328 if test "${enableval}" != "no"; then
329 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
330 [Define this to use a lisp union for the Lisp_Object data type.])
334 AC_ARG_ENABLE(profiling,
335 [AS_HELP_STRING([--enable-profiling],
336 [build emacs with profiling support.
337 This might not work on all platforms])],
338 [ac_enable_profiling="${enableval}"],[])
339 if test x$ac_enable_profiling != x ; then
340 PROFILING_CFLAGS="-DPROFILING=1 -pg"
344 AC_SUBST(PROFILING_CFLAGS)
346 AC_ARG_ENABLE(autodepend,
347 [AS_HELP_STRING([--enable-autodepend],
348 [automatically generate dependencies to .h-files.
349 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
351 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
353 #### Make srcdir absolute, if it isn't already. It's important to
354 #### avoid running the path through pwd unnecessarily, since pwd can
355 #### give you automounter prefixes, which can go away. We do all this
356 #### so Emacs can find its files when run uninstalled.
357 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
362 ## We may be able to use the $PWD environment variable to make this
363 ## absolute. But sometimes PWD is inaccurate.
364 ## Note: we used to use ${PWD} at the end instead of `pwd`,
365 ## but that tested only for a well-formed and valid PWD,
366 ## it did not object when PWD was well-formed and valid but just wrong.
367 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
371 srcdir="`(cd ${srcdir}; pwd)`"
374 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
377 #### Given the configuration name, set machfile and opsysfile to the
378 #### names of the m/*.h and s/*.h files we should use.
380 ### Canonicalize the configuration name.
384 configuration=${host_alias-${build_alias-$host}}
386 dnl This used to use changequote, but, apart from `changequote is evil'
387 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
388 dnl the great gob of text. Thus it's not processed for possible expansion.
389 dnl Just make sure the brackets remain balanced.
391 dnl Since Emacs can't find matching pairs of quotes, boundaries are
392 dnl indicated by comments.
396 ### If you add support for a new configuration, add code to this
397 ### switch statement to recognize your configuration name and select
398 ### the appropriate operating system and machine description files.
400 ### You would hope that you could choose an m/*.h file pretty much
401 ### based on the machine portion of the configuration name, and an s/*.h
402 ### file based on the operating system portion. However, it turns out
403 ### that each m/*.h file is pretty manufacturer-specific - for
404 ### example mips.h is MIPS
405 ### So we basically have to have a special case for each
406 ### configuration name.
408 ### As far as handling version numbers on operating systems is
409 ### concerned, make sure things will fail in a fixable way. If
410 ### /etc/MACHINES doesn't say anything about version numbers, be
411 ### prepared to handle anything reasonably. If version numbers
412 ### matter, be sure /etc/MACHINES says something about it.
414 machine='' opsys='' unported=no
415 case "${canonical}" in
417 ## GNU/Linux and similar ports
421 alpha*) machine=alpha ;;
422 s390x-*) machine=ibms390x ;;
423 powerpc*) machine=macppc ;;
424 sparc*) machine=sparc ;;
425 ia64*) machine=ia64 ;;
426 m68k*) machine=m68k ;;
427 x86_64*) machine=amdx86-64 ;;
434 case "${canonical}" in
435 alpha*) machine=alpha ;;
436 amd64-*|x86_64-*) machine=amdx86-64 ;;
437 ia64-*) machine=ia64 ;;
438 i[3456]86-*) machine=intel386 ;;
439 powerpc-*) machine=macppc ;;
440 sparc-*) machine=sparc ;;
441 sparc64-*) machine=sparc ;;
445 ## FreeBSD kernel + glibc based userland
448 case "${canonical}" in
449 alpha*) machine=alpha ;;
450 amd64-*|x86_64-*) machine=amdx86-64 ;;
451 ia64-*) machine=ia64 ;;
452 i[3456]86-*) machine=intel386 ;;
453 powerpc-*) machine=macppc ;;
454 sparc-*) machine=sparc ;;
455 sparc64-*) machine=sparc ;;
462 case "${canonical}" in
463 alpha*) machine=alpha ;;
464 x86_64-*) machine=amdx86-64 ;;
465 i[3456]86-*) machine=intel386 ;;
466 m68k-*) machine=m68k ;;
467 powerpc-*) machine=macppc ;;
468 sparc*-) machine=sparc ;;
475 case "${canonical}" in
476 alpha*) machine=alpha ;;
477 x86_64-*) machine=amdx86-64 ;;
478 i386-*) machine=intel386 ;;
479 powerpc-*) machine=macppc ;;
480 sparc*) machine=sparc ;;
484 ## Apple Darwin / Mac OS X
486 case "${canonical}" in
487 i[3456]86-* ) machine=intel386 ;;
488 powerpc-* ) machine=macppc ;;
489 x86_64-* ) machine=amdx86-64 ;;
493 ## Use fink packages if available.
494 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
495 ## if test -d /sw/include && test -d /sw/lib; then
496 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
497 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
501 ## HP 9000 series 700 and 800, running HP/UX
505 hppa*-hp-hpux1[1-9]* )
507 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
511 rs6000-ibm-aix4.[23]* )
512 machine=ibmrs6000 opsys=aix4-2
514 powerpc-ibm-aix4.[23]* )
515 machine=ibmrs6000 opsys=aix4-2
517 rs6000-ibm-aix[56]* )
518 machine=ibmrs6000 opsys=aix4-2
520 powerpc-ibm-aix[56]* )
521 machine=ibmrs6000 opsys=aix4-2
524 ## Silicon Graphics machines
528 # Without defining _LANGUAGE_C, things get masked out in the headers
529 # so that, for instance, grepping for `free' in stdlib.h fails and
530 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
531 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
536 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
537 | x86_64-*-solaris2* | x86_64-*-sunos5*)
538 case "${canonical}" in
539 i[3456]86-*-* ) machine=intel386 ;;
540 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
541 sparc* ) machine=sparc ;;
544 case "${canonical}" in
545 *-sunos5.6* | *-solaris2.6* )
549 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
551 emacs_check_sunpro_c=yes
553 *-sunos5* | *-solaris* )
555 emacs_check_sunpro_c=yes
558 ## Watch out for a compiler that we know will not work.
559 case "${canonical}" in
560 *-solaris* | *-sunos5* )
561 if [ "x$CC" = x/usr/ucb/cc ]; then
562 ## /usr/ucb/cc doesn't work;
563 ## we should find some other compiler that does work.
571 ## Intel 386 machines where we don't care about the manufacturer.
574 case "${canonical}" in
575 *-cygwin ) opsys=cygwin ;;
576 *-darwin* ) opsys=darwin ;;
577 *-sysv4.2uw* ) opsys=unixware ;;
578 *-sysv5uw* ) opsys=unixware ;;
579 *-sysv5OpenUNIX* ) opsys=unixware ;;
580 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
589 ### If the code above didn't choose an operating system, just choose
590 ### an operating system based on the configuration name. You really
591 ### only want to use this when you have no idea what the right
592 ### operating system is; if you know what operating systems a machine
593 ### runs, it's cleaner to make it explicit in the case statement
595 if test x"${opsys}" = x; then
596 case "${canonical}" in
597 *-gnu* ) opsys=gnu ;;
607 if test $unported = yes; then
608 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
609 Check `etc/MACHINES' for recognized configuration names.])
612 if test -n "$machine"; then
613 machfile="m/${machine}.h"
617 opsysfile="s/${opsys}.h"
620 #### Choose a compiler.
622 dnl Sets GCC=yes if using gcc.
626 if test x$GCC = xyes; then
627 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
629 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
632 # Initialize gnulib right after choosing the compiler.
635 AC_ARG_ENABLE([gcc-warnings],
636 [AS_HELP_STRING([--enable-gcc-warnings],
637 [turn on lots of GCC warnings (for developers)])],
640 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
642 gl_gcc_warnings=$enableval],
646 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
647 # ------------------------------------------------
648 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
649 # Otherwise, run RUN-IF-NOT-FOUND.
650 AC_DEFUN([gl_GCC_VERSION_IFELSE],
654 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
657 # error "your version of gcc is older than $1.$2"
664 # When compiling with GCC, prefer -isystem to -I when including system
665 # include files, to avoid generating useless diagnostics for the files.
666 if test "$gl_gcc_warnings" != yes; then
671 # This, $nw, is the list of warnings we disable.
674 case $with_x_toolkit in
675 lucid | athena | motif)
676 # Old toolkits mishandle 'const'.
677 nw="$nw -Wwrite-strings"
680 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
683 AC_SUBST([WERROR_CFLAGS])
685 nw="$nw -Waggregate-return" # anachronistic
686 nw="$nw -Wlong-long" # C90 is anachronistic
687 nw="$nw -Wc++-compat" # We don't care about C++ compilers
688 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
689 nw="$nw -Wtraditional" # Warns on #elif which we use often
690 nw="$nw -Wcast-qual" # Too many warnings for now
691 nw="$nw -Wconversion" # Too many warnings for now
692 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
693 nw="$nw -Wsign-conversion" # Too many warnings for now
694 nw="$nw -Woverlength-strings" # Not a problem these days
695 nw="$nw -Wtraditional-conversion" # Too many warnings for now
696 nw="$nw -Wpadded" # Our structs are not padded
697 nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc.
698 nw="$nw -Wlogical-op" # any use of fwrite provokes this
699 nw="$nw -Wformat-nonliteral" # Emacs does this a lot
700 nw="$nw -Wvla" # warnings in gettext.h
701 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
702 nw="$nw -Wswitch-enum" # Too many warnings for now
703 nw="$nw -Wswitch-default" # Too many warnings for now
704 nw="$nw -Wfloat-equal" # e.g., ftoastr.c
705 nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p
707 # Emacs doesn't care about shadowing; see
708 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
711 # The following lines should be removable at some point.
712 nw="$nw -Wstack-protector"
713 nw="$nw -Wstrict-overflow"
714 nw="$nw -Wsuggest-attribute=const"
715 nw="$nw -Wsuggest-attribute=pure"
717 gl_MANYWARN_ALL_GCC([ws])
718 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
722 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
723 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
724 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
725 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
726 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
727 gl_WARN_ADD([-Wno-format-nonliteral])
729 # In spite of excluding -Wlogical-op above, it is enabled, as of
730 # gcc 4.5.0 20090517.
731 gl_WARN_ADD([-Wno-logical-op])
733 gl_WARN_ADD([-fdiagnostics-show-option])
734 gl_WARN_ADD([-funit-at-a-time])
736 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
737 AC_DEFINE([_FORTIFY_SOURCE], [2],
738 [enable compile-time and run-time bounds-checking, and some warnings])
739 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
741 # We use a slightly smaller set of warning options for lib/.
742 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
744 nw="$nw -Wunused-macros"
746 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
747 AC_SUBST([GNULIB_WARN_CFLAGS])
752 dnl Some other nice autoconf tests.
753 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
756 dnl if test "x$RANLIB" = x; then
760 ## Although we're running on an amd64 kernel, we're actually compiling for
761 ## the x86 architecture. The user should probably have provided an
762 ## explicit --build to `configure', but if everything else than the kernel
763 ## is running in i386 mode, we can help them out.
764 if test "$machine" = "amdx86-64"; then
765 AC_CHECK_DECL([i386])
766 if test "$ac_cv_have_decl_i386" = "yes"; then
767 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
769 machfile="m/${machine}.h"
773 AC_PATH_PROG(INSTALL_INFO, install-info)
774 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
775 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
776 dnl Don't use GZIP, which is used by gzip for additional parameters.
777 AC_PATH_PROG(GZIP_PROG, gzip)
780 ## Need makeinfo >= 4.7 (?) to build the manuals.
781 AC_PATH_PROG(MAKEINFO, makeinfo, no)
782 dnl By this stage, configure has already checked for egrep and set EGREP,
783 dnl or exited with an error if no egrep was found.
784 if test "$MAKEINFO" != "no" && \
785 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'`" = x; then
789 ## Makeinfo is unusual. For a released Emacs, the manuals are
790 ## pre-built, and not deleted by the normal clean rules. makeinfo is
791 ## therefore in the category of "special tools" not normally required, which
792 ## configure does not have to check for (eg autoconf itself).
793 ## In a Bazaar checkout on the other hand, the manuals are not included.
794 ## So makeinfo is a requirement to build from Bazaar, and configure
795 ## should test for it as it does for any other build requirement.
796 ## We use the presence of $srcdir/info/emacs to distinguish a release,
797 ## with pre-built manuals, from a Bazaar checkout.
800 if test "$MAKEINFO" = "no"; then
802 if test "x${with_makeinfo}" = "xno"; then
804 elif test ! -e $srcdir/info/emacs; then
805 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
806 source tree does not seem to have pre-built manuals in the `info' directory.
807 Either install a suitable version of makeinfo, or re-run configure
808 with the `--without-makeinfo' option to build without the manuals.] )
811 AC_SUBST(HAVE_MAKEINFO)
813 dnl Just so that there is only a single place we need to edit.
819 dnl Add our options to ac_link now, after it is set up.
821 if test x$GCC = xyes; then
822 test "x$GCC_LINK_TEST_OPTIONS" != x && \
823 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
825 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
826 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
829 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
830 dnl If we can link with the flag, it shouldn't do any harm anyhow.
831 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
832 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
833 dnl if not built to support GNU ld.
835 late_LDFLAGS=$LDFLAGS
836 if test x$GCC = xyes; then
837 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
839 LDFLAGS="$LDFLAGS -znocombreloc"
842 AC_MSG_CHECKING([for -znocombreloc])
843 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
844 [AC_MSG_RESULT(yes)],
845 LDFLAGS=$late_LDFLAGS
849 dnl The function dump-emacs will not be defined and temacs will do
850 dnl (load "loadup") automatically unless told otherwise.
851 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
853 your-opsys-here) CANNOT_DUMP=yes ;;
856 test "$CANNOT_DUMP" = "yes" && \
857 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
859 AC_SUBST(CANNOT_DUMP)
864 # MSDOS uses unexcoff.o
865 # MSWindows uses unexw32.o
873 UNEXEC_OBJ=unexmacosx.o
876 UNEXEC_OBJ=unexhp9k800.o
879 # Use the Solaris dldump() function, called from unexsol.c, to dump
880 # emacs, instead of the generic ELF dump code found in unexelf.c.
881 # The resulting binary has a complete symbol table, and is better
882 # for debugging and other observability tools (debuggers, pstack, etc).
884 # If you encounter a problem using dldump(), please consider sending
885 # a message to the OpenSolaris tools-linking mailing list:
886 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
888 # It is likely that dldump() works with older Solaris too, but this has
889 # not been tested, so for now this change is for Solaris 10 or newer.
897 ## Let `ld' find image libs and similar things in /usr/local/lib.
898 ## The system compiler, GCC, has apparently been modified to not
899 ## look there, contrary to what a stock GCC would do.
900 ### It's not our place to do this. See bug#10313#17.
901 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
906 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
907 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
911 ### It's not our place to do this. See bug#10313#17.
912 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
917 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
918 ## otherwise Emacs dumps core on elf systems.
919 LD_SWITCH_SYSTEM="-Z"
922 AC_SUBST(LD_SWITCH_SYSTEM)
924 ac_link="$ac_link $LD_SWITCH_SYSTEM"
926 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
927 ## which has not been defined yet. When this was handled with cpp,
928 ## it was expanded to null when configure sourced the s/*.h file.
929 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
930 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
931 ## (or somesuch), but because it is supposed to go at the _front_
932 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
933 ## Compare with the gnu-linux case below, which added to the end
934 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
935 ## LD_SWITCH_SYSTEM_TEMACS.
938 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
943 if test "$machine" = "alpha"; then
944 AC_CHECK_DECL([__ELF__])
945 if test "$ac_cv_have_decl___ELF__" = "yes"; then
946 ## With ELF, make sure that all common symbols get allocated to in the
947 ## data section. Otherwise, the dump of temacs may miss variables in
948 ## the shared library that have been initialized. For example, with
949 ## GNU libc, __malloc_initialized would normally be resolved to the
950 ## shared library's .bss section, which is fatal.
951 if test "x$GCC" = "xyes"; then
952 C_SWITCH_MACHINE="-fno-common"
954 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
957 UNEXEC_OBJ=unexalpha.o
960 AC_SUBST(C_SWITCH_MACHINE)
965 ## Some programs in src produce warnings saying certain subprograms
966 ## are too complex and need a MAXMEM value greater than 2000 for
967 ## additional optimization. --nils@exp-math.uni-essen.de
968 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
969 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
970 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
971 ## It is redundant in glibc2, since we define _GNU_SOURCE.
972 AC_SUBST(C_SWITCH_SYSTEM)
977 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
978 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
980 freebsd) LIBS_SYSTEM="-lutil" ;;
982 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
984 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
986 ## Motif needs -lgen.
987 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
989 AC_SUBST(LIBS_SYSTEM)
992 ### Make sure subsequent tests use flags consistent with the build flags.
994 if test x"${OVERRIDE_CPPFLAGS}" != x; then
995 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
997 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1000 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1001 AC_DEFUN([AC_TYPE_SIZE_T])
1002 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1003 AC_DEFUN([AC_TYPE_UID_T])
1005 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1013 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
1017 START_FILES='pre-crt0.o'
1020 ## Adding -lm confuses the dynamic linker, so omit it.
1022 START_FILES='pre-crt0.o'
1025 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1026 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1028 gnu-linux | gnu-kfreebsd )
1029 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1030 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1032 hpux10-20 | hpux11 )
1034 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1036 dnl NB this may be adjusted below.
1038 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1039 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1044 AC_SUBST(START_FILES)
1046 dnl Not all platforms use crtn.o files. Check if the current one does.
1049 for file in x $LIB_STANDARD $START_FILES; do
1051 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1055 if test "x$crt_files" != x; then
1057 ## If user specified a crt-dir, use that unconditionally.
1060 if test "X$CRT_DIR" = "X"; then
1062 CRT_DIR=/usr/lib # default
1064 case "$canonical" in
1065 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1066 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1067 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1068 ## For anything else (eg /usr/lib32), it is up the user to specify
1069 ## the location (bug#5655).
1070 ## Test for crtn.o, not just the directory, because sometimes the
1071 ## directory exists but does not have the relevant files (bug#1287).
1072 ## FIXME better to test for binary compatibility somehow.
1073 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1076 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1080 hpux10-20) CRT_DIR=/lib ;;
1083 test "x${GCC}" = xyes && crt_gcc=yes
1089 for file in $crt_files; do
1091 ## If we're using gcc, try to determine it automatically by asking
1092 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1093 ## system-dependent default from above.]
1094 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1096 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1099 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1104 dnl We expect all the files to be in a single directory, so after the
1105 dnl first there is no point asking gcc.
1108 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1111 test "x$crt_missing" = x || \
1112 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1113 Try using the --with-crt-dir option.])
1115 fi # crt_files != ""
1121 if test -f $CRT_DIR/crti.o; then
1123 test -f $CRT_DIR/crtn.o || \
1124 AC_MSG_ERROR([Required file not found: crtn.o])
1126 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1127 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1133 dnl This function definition taken from Gnome 2.0
1134 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1135 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1136 dnl also defines GSTUFF_PKG_ERRORS on error
1137 AC_DEFUN([PKG_CHECK_MODULES], [
1140 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1142 if test "$PKG_CONFIG" = "no" ; then
1143 ifelse([$4], , [AC_MSG_ERROR([
1144 *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to 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])
1146 PKG_CONFIG_MIN_VERSION=0.9.0
1147 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1148 AC_MSG_CHECKING(for $2)
1150 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1151 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1152 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1159 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1160 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1161 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1167 ## If we have a custom action on failure, don't print errors, but
1168 ## do set a variable so people can do so.
1169 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1170 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1176 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1177 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1181 if test $succeeded = yes; then
1182 ifelse([$3], , :, [$3])
1184 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.])], [$4])
1189 if test "${with_sound}" != "no"; then
1190 # Sound support for GNU/Linux and the free BSDs.
1191 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1192 have_sound_header=yes)
1193 # Emulation library used on NetBSD.
1194 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1198 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1199 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1200 if test $HAVE_ALSA = yes; then
1201 SAVE_CFLAGS="$CFLAGS"
1203 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1204 LIBS="$ALSA_LIBS $LIBS"
1205 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1206 emacs_alsa_normal=yes,
1207 emacs_alsa_normal=no)
1208 if test "$emacs_alsa_normal" != yes; then
1209 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1210 [[snd_lib_error_set_handler (0);]])],
1211 emacs_alsa_subdir=yes,
1212 emacs_alsa_subdir=no)
1213 if test "$emacs_alsa_subdir" != yes; then
1214 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1216 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1219 CFLAGS="$SAVE_CFLAGS"
1221 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1222 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1223 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1226 dnl Define HAVE_SOUND if we have sound support. We know it works and
1227 dnl compiles only on the specified platforms. For others, it
1228 dnl probably doesn't make sense to try.
1229 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1231 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1232 gnu-linux|freebsd|netbsd)
1233 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1238 AC_SUBST(CFLAGS_SOUND)
1241 dnl checks for header files
1242 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1243 linux/version.h sys/systeminfo.h \
1244 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1245 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1246 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1248 AC_MSG_CHECKING(if personality LINUX32 can be set)
1249 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1250 emacs_cv_personality_linux32=yes,
1251 emacs_cv_personality_linux32=no)
1252 AC_MSG_RESULT($emacs_cv_personality_linux32)
1254 if test $emacs_cv_personality_linux32 = yes; then
1255 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1256 [Define to 1 if personality LINUX32 can be set.])
1259 dnl On Solaris 8 there's a compilation warning for term.h because
1260 dnl it doesn't define `bool'.
1261 AC_CHECK_HEADERS(term.h, , , -)
1263 AC_CHECK_DECLS([sys_siglist])
1264 if test $ac_cv_have_decl_sys_siglist != yes; then
1265 # For Tru64, at least:
1266 AC_CHECK_DECLS([__sys_siglist])
1267 if test $ac_cv_have_decl___sys_siglist = yes; then
1268 AC_DEFINE(sys_siglist, __sys_siglist,
1269 [Define to any substitute for sys_siglist.])
1274 dnl Some systems have utime.h but don't declare the struct anyplace.
1275 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1276 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1277 #include <sys/time.h>
1280 #ifdef HAVE_SYS_TIME_H
1281 #include <sys/time.h>
1288 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1289 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1290 if test $emacs_cv_struct_utimbuf = yes; then
1291 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1294 dnl Check for speed_t typedef.
1295 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1296 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1297 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1298 if test $emacs_cv_speed_t = yes; then
1299 AC_DEFINE(HAVE_SPEED_T, 1,
1300 [Define to 1 if `speed_t' is declared by <termios.h>.])
1303 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1304 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1305 #include <sys/time.h>
1308 #ifdef HAVE_SYS_TIME_H
1309 #include <sys/time.h>
1313 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1314 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1315 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1316 if test $emacs_cv_struct_timeval = yes; then
1317 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1320 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1321 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1322 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1323 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1324 HAVE_EXCEPTION=$emacs_cv_struct_exception
1325 if test $emacs_cv_struct_exception != yes; then
1326 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1329 AC_CHECK_HEADERS(sys/socket.h)
1330 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1331 #if HAVE_SYS_SOCKET_H
1332 #include <sys/socket.h>
1334 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1335 #if HAVE_SYS_SOCKET_H
1336 #include <sys/socket.h>
1338 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1339 #if HAVE_SYS_SOCKET_H
1340 #include <sys/socket.h>
1342 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1344 dnl checks for structure members
1345 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1346 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1347 struct ifreq.ifr_addr,
1348 struct ifreq.ifr_addr.sa_len], , ,
1349 [AC_INCLUDES_DEFAULT
1350 #if HAVE_SYS_SOCKET_H
1351 #include <sys/socket.h>
1357 dnl checks for compiler characteristics
1359 dnl Testing __STDC__ to determine prototype support isn't good enough.
1360 dnl DEC C, for instance, doesn't define it with default options, and
1361 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1366 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1367 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1368 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1369 if test $emacs_cv_void_star = yes; then
1370 AC_DEFINE(POINTER_TYPE, void)
1372 AC_DEFINE(POINTER_TYPE, char)
1374 AH_TEMPLATE(POINTER_TYPE,
1375 [Define as `void' if your compiler accepts `void *'; otherwise
1376 define as `char'.])dnl
1378 dnl Check for endianness.
1381 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1382 [emacs_cv_attribute_aligned],
1385 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1387 [emacs_cv_attribute_aligned=yes],
1388 [emacs_cv_attribute_aligned=no])])
1389 if test $emacs_cv_attribute_aligned = yes; then
1390 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1391 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1394 dnl check for Make feature
1400 dnl check for GNU Make if we have GCC and autodepend is on.
1401 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1402 AC_MSG_CHECKING([whether we are using GNU Make])
1404 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1405 if test "x$testval" != x; then
1408 ac_enable_autodepend=no
1410 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1411 if test $HAVE_GNU_MAKE = yes; then
1412 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1413 SAVE_CFLAGS="$CFLAGS"
1414 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1415 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1416 CFLAGS="$SAVE_CFLAGS"
1417 test -f deps.d || ac_enable_autodepend=no
1419 AC_MSG_RESULT([$ac_enable_autodepend])
1421 if test $ac_enable_autodepend = yes; then
1422 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1423 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1424 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1425 deps_frag=autodeps.mk
1428 deps_frag=$srcdir/src/$deps_frag
1431 AC_SUBST_FILE(deps_frag)
1434 lisp_frag=$srcdir/src/lisp.mk
1435 AC_SUBST_FILE(lisp_frag)
1438 dnl checks for operating system services
1439 AC_SYS_LONG_FILE_NAMES
1441 #### Choose a window system.
1444 if test "$no_x" = yes; then
1450 LD_SWITCH_X_SITE_RPATH=
1451 if test "${x_libraries}" != NONE; then
1452 if test -n "${x_libraries}"; then
1453 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1454 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1456 x_default_search_path=""
1457 x_search_path=${x_libraries}
1458 if test -z "${x_search_path}"; then
1459 x_search_path=/usr/lib
1461 for x_library in `echo ${x_search_path}: | \
1462 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1464 ${x_library}/X11/%L/%T/%N%C%S:\
1465 ${x_library}/X11/%l/%T/%N%C%S:\
1466 ${x_library}/X11/%T/%N%C%S:\
1467 ${x_library}/X11/%L/%T/%N%S:\
1468 ${x_library}/X11/%l/%T/%N%S:\
1469 ${x_library}/X11/%T/%N%S"
1470 if test x"${x_default_search_path}" = x; then
1471 x_default_search_path=${x_search_path}
1473 x_default_search_path="${x_search_path}:${x_default_search_path}"
1477 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1479 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1480 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1483 if test x"${x_includes}" = x; then
1484 bitmapdir=/usr/include/X11/bitmaps
1486 # accumulate include directories that have X11 bitmap subdirectories
1488 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1489 if test -d "${bmd}/X11/bitmaps"; then
1490 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1492 if test -d "${bmd}/bitmaps"; then
1493 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1496 if test ${bmd_acc} != "dummyval"; then
1497 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1504 tmp_CPPFLAGS="$CPPFLAGS"
1505 tmp_CFLAGS="$CFLAGS"
1506 CPPFLAGS="$CPPFLAGS -x objective-c"
1507 CFLAGS="$CFLAGS -x objective-c"
1508 TEMACS_LDFLAGS2="\${LDFLAGS}"
1510 if test "${with_ns}" != no; then
1511 if test "${opsys}" = darwin; then
1513 ns_appdir=`pwd`/nextstep/Emacs.app
1514 ns_appbindir=${ns_appdir}/Contents/MacOS
1515 ns_appresdir=${ns_appdir}/Contents/Resources
1516 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1517 elif test -f $GNUSTEP_CONFIG_FILE; then
1519 ns_appdir=`pwd`/nextstep/Emacs.app
1520 ns_appbindir=${ns_appdir}
1521 ns_appresdir=${ns_appdir}/Resources
1522 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1523 dnl FIXME sourcing this several times in subshells seems inefficient.
1524 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1525 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1526 dnl I seemed to need these as well with GNUstep-startup 0.25.
1527 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1528 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1529 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1530 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1531 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1532 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1533 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1534 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1535 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1539 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1540 dnl If they had chosen to either define it or not, we could have
1541 dnl just used AC_CHECK_DECL here.
1542 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1543 emacs_cv_objc_exceptions,
1544 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1545 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1549 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1550 if test $emacs_cv_objc_exceptions = yes; then
1551 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1552 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1553 [Define if GNUstep uses ObjC exceptions.])
1554 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1558 dnl This is only used while we test the NS headers, it gets reset below.
1559 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1561 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1562 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1563 files are missing or cannot be compiled.])])
1564 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1566 ns_have_nsinteger=yes,
1567 ns_have_nsinteger=no)
1568 if test $ns_have_nsinteger = yes; then
1569 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1572 AC_SUBST(TEMACS_LDFLAGS2)
1574 INSTALL_ARCH_INDEP_EXTRA=install-etc
1575 LEIM_INSTALLDIR="\${install_prefix}/leim"
1576 ns_self_contained=no
1580 if test "${HAVE_NS}" = yes; then
1581 if test "$with_toolkit_scroll_bars" = "no"; then
1582 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1585 window_system=nextstep
1587 # set up packaging dirs
1588 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1589 ns_self_contained=yes
1590 prefix=${ns_appresdir}
1591 exec_prefix=${ns_appbindir}
1592 dnl This one isn't really used, only archlibdir is.
1593 libexecdir="\${ns_appbindir}/libexec"
1594 archlibdir="\${ns_appbindir}/libexec"
1595 docdir="\${ns_appresdir}/etc"
1596 etcdir="\${ns_appresdir}/etc"
1597 dnl FIXME maybe set datarootdir instead.
1598 dnl That would also get applications, icons, man.
1599 infodir="\${ns_appresdir}/info"
1600 mandir="\${ns_appresdir}/man"
1601 lispdir="\${ns_appresdir}/lisp"
1602 LEIM_INSTALLDIR="\${ns_appresdir}/leim"
1603 INSTALL_ARCH_INDEP_EXTRA=
1605 ns_frag=$srcdir/src/ns.mk
1606 NS_OBJ="fontset.o fringe.o image.o"
1607 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1609 CFLAGS="$tmp_CFLAGS"
1610 CPPFLAGS="$tmp_CPPFLAGS"
1611 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1612 AC_SUBST(LEIM_INSTALLDIR)
1613 AC_SUBST(ns_self_contained)
1615 AC_SUBST(NS_OBJC_OBJ)
1616 AC_SUBST(LIB_STANDARD)
1617 AC_SUBST_FILE(ns_frag)
1619 case "${window_system}" in
1623 case "${with_x_toolkit}" in
1624 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1625 motif ) USE_X_TOOLKIT=MOTIF ;;
1627 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1628 dnl USE_X_TOOLKIT is set.
1629 USE_X_TOOLKIT=none ;;
1630 gtk3 ) with_gtk3=yes
1631 USE_X_TOOLKIT=none ;;
1632 no ) USE_X_TOOLKIT=none ;;
1633 dnl If user did not say whether to use a toolkit, make this decision later:
1634 dnl use the toolkit if we have gtk, or X11R5 or newer.
1635 * ) USE_X_TOOLKIT=maybe ;;
1645 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1646 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1647 if test "$HAVE_XSERVER" = true ||
1648 test -n "$DISPLAY" ||
1649 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1650 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1651 were found. You should install the relevant development files for X
1652 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1653 sure you have development files for image handling, i.e.
1654 tiff, gif, jpeg, png and xpm.
1655 If you are sure you want Emacs compiled without X window support, pass
1661 ### If we're using X11, we should use the X menu package.
1664 yes ) HAVE_MENUS=yes ;;
1667 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1668 # Assume not, until told otherwise.
1672 [whether malloc is Doug Lea style],
1673 [emacs_cv_var_doug_lea_malloc],
1676 [[#include <malloc.h>
1677 static void hook (void) {}]],
1678 [[malloc_set_state (malloc_get_state ());
1679 __after_morecore_hook = hook;
1680 __malloc_initialize_hook = hook;]])],
1681 [emacs_cv_var_doug_lea_malloc=yes],
1682 [emacs_cv_var_doug_lea_malloc=no])])
1683 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1686 dnl See comments in aix4-2.h about maybe using system malloc there.
1689 ## darwin ld insists on the use of malloc routines in the System framework.
1690 darwin|sol2-10) system_malloc=yes ;;
1693 if test "${system_malloc}" = "yes"; then
1694 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1697 (The GNU allocators don't work with this system configuration.)"
1701 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1702 VMLIMIT_OBJ=vm-limit.o
1704 AC_SUBST(GMALLOC_OBJ)
1705 AC_SUBST(VMLIMIT_OBJ)
1707 if test "$doug_lea_malloc" = "yes" ; then
1708 if test "$GNU_MALLOC" = yes ; then
1710 (Using Doug Lea's new malloc from the GNU C Library.)"
1712 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1713 [Define to 1 if you are using the GNU C Library.])
1715 ## Use mmap directly for allocating larger buffers.
1716 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1717 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1718 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1720 gnu*) REL_ALLOC=no ;;
1724 if test x"${REL_ALLOC}" = x; then
1725 REL_ALLOC=${GNU_MALLOC}
1728 use_mmap_for_buffers=no
1730 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1734 if test $use_mmap_for_buffers = yes; then
1735 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1739 LIBS="$LIBS_SYSTEM $LIBS"
1741 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1742 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1743 AC_CHECK_LIB(dnet, dnet_ntoa)
1744 dnl This causes -lresolv to get used in subsequent tests,
1745 dnl which causes failures on some systems such as HPUX 9.
1746 dnl AC_CHECK_LIB(resolv, gethostbyname)
1748 dnl FIXME replace main with a function we actually want from this library.
1749 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1751 dnl Check if pthreads is available.
1753 AC_CHECK_HEADERS(pthread.h)
1754 if test "$ac_cv_header_pthread_h"; then
1755 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1756 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1757 dnl testing for pthread_self if Emacs uses gmalloc.c.
1758 if test "$GMALLOC_OBJ" = gmalloc.o; then
1759 emacs_pthread_function=pthread_atfork
1761 emacs_pthread_function=pthread_self
1763 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1765 if test "$HAVE_PTHREAD" = yes; then
1766 case "${canonical}" in
1768 *) LIB_PTHREAD="-lpthread"
1769 LIBS="$LIB_PTHREAD $LIBS" ;;
1771 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1773 AC_SUBST([LIB_PTHREAD])
1775 AC_CHECK_LIB(pthreads, cma_open)
1777 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1778 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1779 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1780 ## added to LIBS in configure would never contain the pthreads part,
1781 ## but the value used in Makefiles might. FIXME?
1783 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1784 ## be harmless on older versions of X where it happens to exist.
1785 test "$opsys" = "aix4-2" && \
1786 test $ac_cv_lib_pthreads_cma_open = yes && \
1787 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1789 dnl Check for need for bigtoc support on IBM AIX
1793 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1795 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1796 *) gdb_cv_bigtoc=-bbigtoc ;;
1799 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1800 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1805 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1806 # used for the tests that follow. We set them back to REAL_CFLAGS and
1807 # REAL_CPPFLAGS later on.
1809 REAL_CFLAGS="$CFLAGS"
1810 REAL_CPPFLAGS="$CPPFLAGS"
1812 if test "${HAVE_X11}" = "yes"; then
1813 DEFS="$C_SWITCH_X_SITE $DEFS"
1814 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1816 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1817 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1819 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1820 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1821 # but it's more convenient here to set LD_RUN_PATH since this
1822 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1823 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1824 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1828 if test "${opsys}" = "gnu-linux"; then
1829 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1830 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1831 [[XOpenDisplay ("foo");]])],
1832 [xgnu_linux_first_failure=no],
1833 [xgnu_linux_first_failure=yes])
1834 if test "${xgnu_linux_first_failure}" = "yes"; then
1835 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1836 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1837 OLD_CPPFLAGS="$CPPFLAGS"
1839 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1840 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1841 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1842 LIBS="$LIBS -b i486-linuxaout"
1843 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1844 [[XOpenDisplay ("foo");]])],
1845 [xgnu_linux_second_failure=no],
1846 [xgnu_linux_second_failure=yes])
1847 if test "${xgnu_linux_second_failure}" = "yes"; then
1848 # If we get the same failure with -b, there is no use adding -b.
1849 # So take it out. This plays safe.
1850 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1851 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1852 CPPFLAGS="$OLD_CPPFLAGS"
1863 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1864 # header files included from there.
1865 AC_MSG_CHECKING(for Xkb)
1866 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1867 #include <X11/XKBlib.h>]],
1868 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1869 emacs_xkb=yes, emacs_xkb=no)
1870 AC_MSG_RESULT($emacs_xkb)
1871 if test $emacs_xkb = yes; then
1872 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1875 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1876 XScreenNumberOfScreen)
1879 if test "${window_system}" = "x11"; then
1880 AC_MSG_CHECKING(X11 version 6)
1881 AC_CACHE_VAL(emacs_cv_x11_version_6,
1882 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1883 [[#if XlibSpecificationRelease < 6
1886 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1887 if test $emacs_cv_x11_version_6 = yes; then
1888 AC_MSG_RESULT(6 or newer)
1889 AC_DEFINE(HAVE_X11R6, 1,
1890 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1891 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1892 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1896 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1897 [Define if you have usable X11R6-style XIM support.])
1901 AC_MSG_RESULT(before 6)
1906 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1908 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1909 if test "${with_rsvg}" != "no"; then
1910 RSVG_REQUIRED=2.11.0
1911 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1913 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1914 AC_SUBST(RSVG_CFLAGS)
1917 if test $HAVE_RSVG = yes; then
1918 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1919 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1920 LIBS="$RSVG_LIBS $LIBS"
1926 if test "${HAVE_X11}" = "yes"; then
1927 if test "${with_imagemagick}" != "no"; then
1928 ## 6.2.8 is the earliest version known to work, but earlier versions
1929 ## might work - let us know if you find one.
1930 ## 6.0.7 does not work. See bug#7955.
1931 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1932 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1933 AC_SUBST(IMAGEMAGICK_CFLAGS)
1934 AC_SUBST(IMAGEMAGICK_LIBS)
1936 if test $HAVE_IMAGEMAGICK = yes; then
1937 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1938 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1939 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1940 AC_CHECK_FUNCS(MagickExportImagePixels)
1948 if test "${with_gtk3}" = "yes"; then
1951 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1953 dnl Checks for libraries.
1954 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1955 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1956 AC_MSG_ERROR($GTK_PKG_ERRORS)
1958 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1959 GTK_OBJ=emacsgtkfixed.o
1962 if test "$pkg_check_gtk" != "yes"; then
1964 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1967 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1969 dnl Checks for libraries.
1970 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1971 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1972 AC_MSG_ERROR($GTK_PKG_ERRORS)
1977 if test x"$pkg_check_gtk" = xyes; then
1979 AC_SUBST(GTK_CFLAGS)
1981 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1982 CFLAGS="$CFLAGS $GTK_CFLAGS"
1983 LIBS="$GTK_LIBS $LIBS"
1984 dnl Try to compile a simple GTK program.
1986 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1987 if test "${GTK_COMPILES}" != "yes"; then
1988 if test "$USE_X_TOOLKIT" != "maybe"; then
1989 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1993 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1994 GTK_OBJ="gtkutil.o $GTK_OBJ"
1996 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1999 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2000 closing open displays. This is no problem if you just use
2001 one display, but if you use more than one and close one of them
2011 if test "${HAVE_GTK}" = "yes"; then
2013 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2014 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2015 if test "$with_toolkit_scroll_bars" != no; then
2016 with_toolkit_scroll_bars=yes
2019 dnl Check if we have the old file selection dialog declared and
2020 dnl in the link library. In 2.x it may be in the library,
2021 dnl but not declared if deprecated featured has been selected out.
2022 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2023 HAVE_GTK_FILE_SELECTION=no
2024 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2025 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2026 #include <gtk/gtk.h>])
2027 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2028 AC_CHECK_FUNCS(gtk_file_selection_new)
2032 dnl Check for functions introduced in 2.14 and later.
2033 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2034 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2035 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2036 gtk_orientable_set_orientation \
2037 gtk_window_set_has_resize_grip)
2040 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2041 dnl other platforms.
2044 if test "${with_dbus}" = "yes"; then
2045 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2046 if test "$HAVE_DBUS" = yes; then
2047 LIBS="$LIBS $DBUS_LIBS"
2048 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2049 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2050 dnl dbus_validate_* have been introduced in D-Bus 1.5.12.
2051 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2052 dbus_validate_bus_name \
2053 dbus_validate_path \
2054 dbus_validate_interface \
2055 dbus_validate_member)
2061 dnl GSettings has been tested under GNU/Linux only.
2063 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2064 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2065 if test "$HAVE_GSETTINGS" = "yes"; then
2066 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2067 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2068 SETTINGS_LIBS="$GSETTINGS_LIBS"
2072 dnl GConf has been tested under GNU/Linux only.
2073 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2075 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2076 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2077 if test "$HAVE_GCONF" = yes; then
2078 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2079 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2080 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2081 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2085 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2086 SAVE_CFLAGS="$CFLAGS"
2088 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2089 LIBS="$SETTINGS_LIBS $LIBS"
2090 AC_CHECK_FUNCS([g_type_init])
2091 CFLAGS="$SAVE_CFLAGS"
2094 AC_SUBST(SETTINGS_CFLAGS)
2095 AC_SUBST(SETTINGS_LIBS)
2098 dnl SELinux is available for GNU/Linux only.
2101 if test "${with_selinux}" = "yes"; then
2102 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2103 if test "$HAVE_LIBSELINUX" = yes; then
2104 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2105 LIBSELINUX_LIBS=-lselinux
2108 AC_SUBST(LIBSELINUX_LIBS)
2111 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2112 if test "${with_gnutls}" = "yes" ; then
2113 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2114 if test "${HAVE_GNUTLS}" = "yes"; then
2115 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2118 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2119 LIBS="$LIBGNUTLS_LIBS $LIBS"
2120 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2122 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2123 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2127 AC_SUBST(LIBGNUTLS_LIBS)
2128 AC_SUBST(LIBGNUTLS_CFLAGS)
2130 dnl Do not put whitespace before the #include statements below.
2131 dnl Older compilers (eg sunos4 cc) choke on it.
2134 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2135 if test "$with_xaw3d" != no; then
2136 AC_MSG_CHECKING(for xaw3d)
2137 AC_CACHE_VAL(emacs_cv_xaw3d,
2138 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2139 #include <X11/Intrinsic.h>
2140 #include <X11/Xaw3d/Simple.h>]],
2142 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2143 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2144 emacs_cv_xaw3d=no)])
2148 if test $emacs_cv_xaw3d = yes; then
2149 AC_MSG_RESULT([yes; using Lucid toolkit])
2153 AC_DEFINE(HAVE_XAW3D, 1,
2154 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2157 AC_MSG_CHECKING(for libXaw)
2158 AC_CACHE_VAL(emacs_cv_xaw,
2159 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2160 #include <X11/Intrinsic.h>
2161 #include <X11/Xaw/Simple.h>]],
2165 if test $emacs_cv_xaw = yes; then
2166 AC_MSG_RESULT([yes; using Lucid toolkit])
2169 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2170 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2172 AC_MSG_ERROR([No X toolkit could be found.
2173 If you are sure you want Emacs compiled without an X toolkit, pass
2175 to configure. Otherwise, install the development libraries for the toolkit
2176 that you want to use (e.g. Gtk+) and re-run configure.])
2181 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2184 if test "${USE_X_TOOLKIT}" != "none"; then
2185 AC_MSG_CHECKING(X11 toolkit version)
2186 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2187 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2188 [[#if XtSpecificationRelease < 6
2191 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2192 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2193 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2194 AC_MSG_RESULT(6 or newer)
2195 AC_DEFINE(HAVE_X11XTR6, 1,
2196 [Define to 1 if you have the X11R6 or newer version of Xt.])
2197 LIBXTR6="-lSM -lICE"
2199 ## Use libw.a along with X11R6 Xt.
2200 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2203 AC_MSG_RESULT(before 6)
2206 dnl If using toolkit, check whether libXmu.a exists.
2207 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2209 if test x$HAVE_X11XTR6 = xyes; then
2210 LIBS="-lXt -lSM -lICE $LIBS"
2214 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2215 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2219 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2220 dnl Why not just test for libxmu in the normal way?
2223 ## These systems don't supply Xmu.
2225 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2230 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2231 if test "${HAVE_X11}" = "yes"; then
2232 if test "${USE_X_TOOLKIT}" != "none"; then
2233 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2238 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2239 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2240 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2241 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2244 Motif version prior to 2.1.
2246 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2247 if test $emacs_cv_motif_version_2_1 = yes; then
2248 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2250 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2251 # We put this in CFLAGS temporarily to precede other -I options
2252 # that might be in CFLAGS temporarily.
2253 # We put this in CPPFLAGS where it precedes the other -I options.
2254 OLD_CPPFLAGS=$CPPFLAGS
2256 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2257 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2258 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2260 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2261 if test $emacs_cv_lesstif = yes; then
2262 # Make sure this -I option remains in CPPFLAGS after it is set
2263 # back to REAL_CPPFLAGS.
2264 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2265 # have those other -I options anyway. Ultimately, having this
2266 # directory ultimately in CPPFLAGS will be enough.
2267 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2268 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2271 CPPFLAGS=$OLD_CPPFLAGS
2274 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2275 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2278 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2279 dnl using Motif or Xaw3d is available, and unless
2280 dnl --with-toolkit-scroll-bars=no was specified.
2282 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2283 [Define to 1 if we should use toolkit scroll bars.])dnl
2284 USE_TOOLKIT_SCROLL_BARS=no
2285 if test "${with_toolkit_scroll_bars}" != "no"; then
2286 if test "${USE_X_TOOLKIT}" != "none"; then
2287 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2288 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2290 USE_TOOLKIT_SCROLL_BARS=yes
2291 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2292 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2293 USE_TOOLKIT_SCROLL_BARS=yes
2295 elif test "${HAVE_GTK}" = "yes"; then
2296 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2297 USE_TOOLKIT_SCROLL_BARS=yes
2298 elif test "${HAVE_NS}" = "yes"; then
2299 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2300 USE_TOOLKIT_SCROLL_BARS=yes
2304 dnl See if XIM is available.
2305 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2306 #include <X11/Xlib.h>
2307 #include <X11/Xresource.h>]],
2308 [[XIMProc callback;]])],
2310 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2313 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2315 if test "${with_xim}" != "no"; then
2316 AC_DEFINE(USE_XIM, 1,
2317 [Define to 1 if we should use XIM, if it is available.])
2321 if test "${HAVE_XIM}" != "no"; then
2323 if test "$GCC" = yes; then
2324 CFLAGS="$CFLAGS --pedantic-errors"
2326 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2327 #include <X11/Xlib.h>
2328 #include <X11/Xresource.h>]],
2334 XPointer *client_data;
2336 /* If we're not using GCC, it's probably not XFree86, and this is
2337 probably right, but we can't use something like --pedantic-errors. */
2338 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2339 char*, XIMProc, XPointer*);
2341 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2343 [emacs_cv_arg6_star=yes])
2344 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2345 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2346 either XPointer or XPointer*.])dnl
2347 if test "$emacs_cv_arg6_star" = yes; then
2348 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2350 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2355 ### Start of font-backend (under any platform) section.
2356 # (nothing here yet -- this is a placeholder)
2357 ### End of font-backend (under any platform) section.
2359 ### Start of font-backend (under X11) section.
2360 if test "${HAVE_X11}" = "yes"; then
2361 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2363 ## Use -lXft if available, unless `--with-xft=no'.
2365 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2368 if test "x${with_xft}" != "xno"; then
2370 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2371 ## Because xftfont.c uses XRenderQueryExtension, we also
2372 ## need to link to -lXrender.
2374 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2375 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2376 OLD_CPPFLAGS="$CPPFLAGS"
2377 OLD_CFLAGS="$CFLAGS"
2379 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2380 CFLAGS="$CFLAGS $XFT_CFLAGS"
2381 XFT_LIBS="-lXrender $XFT_LIBS"
2382 LIBS="$XFT_LIBS $LIBS"
2383 AC_CHECK_HEADER(X11/Xft/Xft.h,
2384 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2386 if test "${HAVE_XFT}" = "yes"; then
2387 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2389 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2391 CPPFLAGS="$OLD_CPPFLAGS"
2392 CFLAGS="$OLD_CFLAGS"
2394 fi # "${HAVE_XFT}" = "yes"
2395 fi # "$HAVE_XFT" != no
2396 fi # "x${with_xft}" != "xno"
2398 ## We used to allow building with FreeType and without Xft.
2399 ## However, the ftx font backend driver is not in good shape.
2400 if test "$HAVE_XFT" != "yes"; then
2401 dnl For the "Does Emacs use" message at the end.
2405 dnl Strict linkers fail with
2406 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2407 dnl if -lfreetype is not specified.
2408 dnl The following is needed to set FREETYPE_LIBS.
2409 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2412 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2416 if test "${HAVE_FREETYPE}" = "yes"; then
2417 AC_DEFINE(HAVE_FREETYPE, 1,
2418 [Define to 1 if using the freetype and fontconfig libraries.])
2419 if test "${with_libotf}" != "no"; then
2420 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2422 if test "$HAVE_LIBOTF" = "yes"; then
2423 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2424 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2425 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2426 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2427 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2428 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2429 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2433 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2434 dnl Does the new font backend require it, or can it work without it?
2438 if test "${HAVE_LIBOTF}" = yes; then
2439 if test "${with_m17n_flt}" != "no"; then
2440 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2441 if test "$HAVE_M17N_FLT" = "yes"; then
2442 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2453 ### End of font-backend (under X11) section.
2455 AC_SUBST(FREETYPE_CFLAGS)
2456 AC_SUBST(FREETYPE_LIBS)
2457 AC_SUBST(FONTCONFIG_CFLAGS)
2458 AC_SUBST(FONTCONFIG_LIBS)
2459 AC_SUBST(LIBOTF_CFLAGS)
2460 AC_SUBST(LIBOTF_LIBS)
2461 AC_SUBST(M17N_FLT_CFLAGS)
2462 AC_SUBST(M17N_FLT_LIBS)
2464 ### Use -lXpm if available, unless `--with-xpm=no'.
2467 if test "${HAVE_X11}" = "yes"; then
2468 if test "${with_xpm}" != "no"; then
2469 AC_CHECK_HEADER(X11/xpm.h,
2470 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2471 if test "${HAVE_XPM}" = "yes"; then
2472 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2473 AC_EGREP_CPP(no_return_alloc_pixels,
2474 [#include "X11/xpm.h"
2475 #ifndef XpmReturnAllocPixels
2476 no_return_alloc_pixels
2478 ], HAVE_XPM=no, HAVE_XPM=yes)
2480 if test "${HAVE_XPM}" = "yes"; then
2488 if test "${HAVE_XPM}" = "yes"; then
2489 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2495 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2498 if test "${HAVE_X11}" = "yes"; then
2499 if test "${with_jpeg}" != "no"; then
2500 dnl Checking for jpeglib.h can lose because of a redefinition of
2502 AC_CHECK_HEADER(jerror.h,
2503 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2506 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2507 if test "${HAVE_JPEG}" = "yes"; then
2508 AC_DEFINE(HAVE_JPEG)
2509 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2510 [#include <jpeglib.h>
2511 version=JPEG_LIB_VERSION
2513 [AC_DEFINE(HAVE_JPEG)],
2514 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2517 if test "${HAVE_JPEG}" = "yes"; then
2523 ### Use -lpng if available, unless `--with-png=no'.
2526 if test "${HAVE_X11}" = "yes"; then
2527 if test "${with_png}" != "no"; then
2528 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2529 # in /usr/include/libpng.
2530 AC_CHECK_HEADERS(png.h libpng/png.h)
2531 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2532 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2536 if test "${HAVE_PNG}" = "yes"; then
2537 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2538 LIBPNG="-lpng -lz -lm"
2543 ### Use -ltiff if available, unless `--with-tiff=no'.
2546 if test "${HAVE_X11}" = "yes"; then
2547 if test "${with_tiff}" != "no"; then
2548 AC_CHECK_HEADER(tiffio.h,
2550 # At least one tiff package requires the jpeg library.
2551 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2552 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2555 if test "${HAVE_TIFF}" = "yes"; then
2556 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2557 dnl FIXME -lz -lm, as per libpng?
2563 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2566 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2567 AC_CHECK_HEADER(gif_lib.h,
2568 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2569 # Earlier versions can crash Emacs.
2570 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2572 if test "$HAVE_GIF" = yes; then
2574 elif test "$HAVE_GIF" = maybe; then
2575 # If gif_lib.h but no libgif, try libungif.
2576 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2577 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2580 if test "${HAVE_GIF}" = "yes"; then
2581 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2586 dnl Check for required libraries.
2587 if test "${HAVE_X11}" = "yes"; then
2590 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2591 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2592 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2593 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2594 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2595 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2596 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2597 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2598 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2599 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2601 if test "X${MISSING}" != X; then
2602 AC_MSG_ERROR([The following required libraries were not found:
2604 Maybe some development libraries/packages are missing?
2605 If you don't want to link with them give
2607 as options to configure])
2611 ### Use -lgpm if available, unless `--with-gpm=no'.
2614 if test "${with_gpm}" != "no"; then
2615 AC_CHECK_HEADER(gpm.h,
2616 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2618 if test "${HAVE_GPM}" = "yes"; then
2619 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2625 dnl Check for malloc/malloc.h on darwin
2626 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2629 ### Use NeXTstep API to implement GUI.
2630 if test "${HAVE_NS}" = "yes"; then
2631 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2632 if test "${NS_IMPL_COCOA}" = "yes"; then
2633 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2635 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2636 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2637 # See also .m.o rule in Makefile.in */
2638 # FIXME: are all these flags really needed? Document here why. */
2639 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2640 ## Extra CFLAGS applied to src/*.m files.
2641 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2643 # We also have mouse menus.
2649 ### Use session management (-lSM -lICE) if available
2652 if test "${HAVE_X11}" = "yes"; then
2653 AC_CHECK_HEADER(X11/SM/SMlib.h,
2654 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2656 if test "${HAVE_X_SM}" = "yes"; then
2657 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2661 *) LIBS="$LIBXSM $LIBS" ;;
2667 ### Use libxml (-lxml2) if available
2669 if test "${with_xml2}" != "no"; then
2670 ### I'm not sure what the version number should be, so I just guessed.
2671 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2672 if test "${HAVE_LIBXML2}" = "yes"; then
2673 LIBS="$LIBXML2_LIBS $LIBS"
2674 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2675 if test "${HAVE_LIBXML2}" = "yes"; then
2676 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2683 AC_SUBST(LIBXML2_LIBS)
2684 AC_SUBST(LIBXML2_CFLAGS)
2686 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2687 AC_CACHE_CHECK(whether netdb declares h_errno,
2688 emacs_cv_netdb_declares_h_errno,
2689 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2690 [[return h_errno;]])],
2691 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2692 if test $emacs_cv_netdb_declares_h_errno = yes; then
2693 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2696 # fmod, logb, and frexp are found in -lm on most systems.
2697 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2698 AC_CHECK_LIB(m, sqrt)
2700 # Check for mail-locking functions in a "mail" library. Probably this should
2701 # have the same check as for liblockfile below.
2702 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2703 if test $have_mail = yes; then
2705 LIBS="$LIBS_MAIL $LIBS"
2706 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2710 dnl Debian, at least:
2711 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2712 if test $have_lockfile = yes; then
2713 LIBS_MAIL=-llockfile
2714 LIBS="$LIBS_MAIL $LIBS"
2715 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2717 # If we have the shared liblockfile, assume we must use it for mail
2718 # locking (e.g. Debian). If we couldn't link against liblockfile
2719 # (no liblockfile.a installed), ensure that we don't need to.
2720 dnl This works for files generally, not just executables.
2721 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2722 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2723 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2724 if test $ac_cv_prog_liblockfile = yes; then
2725 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2726 This probably means that movemail could lose mail.
2727 There may be a `development' package to install containing liblockfile.])
2730 AC_CHECK_FUNCS(touchlock)
2731 AC_CHECK_HEADERS(maillock.h)
2734 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2735 ## interlock access to the mail spool. The alternative is a lock file named
2736 ## /usr/spool/mail/$USER.lock.
2739 aix4-2) mail_lock="lockf" ;;
2741 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2743 ## On GNU/Linux systems, both methods are used by various mail programs.
2744 ## I assume most people are using newer mailers that have heard of flock.
2745 ## Change this if you need to.
2746 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2747 ## configure gets the right answers, and that means *NOT* using flock.
2748 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2749 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2750 ## Debian maintainer hasn't provided a clean fix for Emacs.
2751 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2752 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2753 ## correct logic. -- fx
2754 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2755 ## liblockfile is a Free Software replacement for libmail, used on
2756 ## Debian systems and elsewhere. -rfr.
2759 if test $have_mail = yes || test $have_lockfile = yes; then
2760 test $ac_cv_header_maillock_h = yes && mail_lock=no
2766 case "$mail_lock" in
2767 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2769 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2771 *) BLESSMAIL_TARGET="need-blessmail" ;;
2773 AC_SUBST(BLESSMAIL_TARGET)
2776 AC_CHECK_FUNCS(gethostname \
2777 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2778 random lrand48 logb frexp fmod rint cbrt setsid \
2779 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2780 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2781 __fpending strsignal setitimer \
2782 sendto recvfrom getsockname getpeername \
2783 gai_strerror mkstemp getline getdelim fsync sync \
2784 difftime posix_memalign \
2785 getpwent endpwent getgrent endgrent \
2786 cfmakeraw cfsetspeed copysign __executable_start)
2788 dnl Cannot use AC_CHECK_FUNCS
2789 AC_CACHE_CHECK([for __builtin_unwind_init],
2790 emacs_cv_func___builtin_unwind_init,
2791 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2792 emacs_cv_func___builtin_unwind_init=yes,
2793 emacs_cv_func___builtin_unwind_init=no)])
2794 if test $emacs_cv_func___builtin_unwind_init = yes; then
2795 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2796 [Define to 1 if you have the `__builtin_unwind_init' function.])
2799 AC_CHECK_HEADERS(sys/un.h)
2806 AC_CHECK_FUNCS(grantpt)
2808 # PTY-related GNU extensions.
2809 AC_CHECK_FUNCS(getpt)
2811 # Check this now, so that we will NOT find the above functions in ncurses.
2812 # That is because we have not set up to link ncurses in lib-src.
2813 # It's better to believe a function is not available
2814 # than to expect to find it in ncurses.
2815 # Also we need tputs and friends to be able to build at all.
2816 AC_MSG_CHECKING([for library containing tputs])
2817 # Run a test program that contains a call to tputs, a call that is
2818 # never executed. This tests whether a pre-'main' dynamic linker
2819 # works with the library. It's too much trouble to actually call
2820 # tputs in the test program, due to portability hassles. When
2821 # cross-compiling, assume the test program will run if it links.
2822 AC_DEFUN([tputs_link_source], [
2824 [[extern void tputs (const char *, int, int (*)(int));
2825 int main (int argc, char **argv)
2828 tputs (argv[0], 0, 0);
2832 # Maybe curses should be tried earlier?
2833 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2834 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2836 if test -z "$tputs_library"; then
2840 LIBS_TERMCAP=-l$tputs_library
2842 LIBS="$LIBS_TERMCAP $LIBS"
2844 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2845 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2847 if test "X$msg" != Xno; then
2851 AC_MSG_RESULT([$msg])
2852 if test "X$msg" = Xno; then
2853 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2854 The following libraries were tried (in order):
2855 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2856 Please try installing whichever of these libraries is most appropriate
2857 for your system, together with its header files.
2858 For example, a libncurses-dev(el) or similar package.])
2861 ## Use termcap instead of terminfo?
2862 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2864 ## FIXME? In the cases below where we unconditionally set
2865 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2866 ## if that was found above to have tputs.
2867 ## Should we use the gnu* logic everywhere?
2869 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2870 ## The ncurses library has been moved out of the System framework in
2871 ## Mac OS X 10.2. So if configure detects it, set the command-line
2872 ## option to use it.
2873 darwin) LIBS_TERMCAP="-lncurses" ;;
2875 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2878 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2879 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2880 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2881 [[#if __FreeBSD_version < 400000
2884 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2886 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2888 if test $emacs_cv_freebsd_terminfo = yes; then
2889 LIBS_TERMCAP="-lncurses"
2892 LIBS_TERMCAP="-ltermcap"
2897 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2899 LIBS_TERMCAP="-ltermcap"
2903 openbsd) LIBS_TERMCAP="-lncurses" ;;
2905 ## hpux: Make sure we get select from libc rather than from libcurses
2906 ## because libcurses on HPUX 10.10 has a broken version of select.
2907 ## We used to use -lc -lcurses, but this may be cleaner.
2908 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2909 # set that way, now it uses the default). Isn't this a contradiction?
2910 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2914 TERMCAP_OBJ=tparam.o
2915 if test $TERMINFO = yes; then
2916 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2917 TERMCAP_OBJ=terminfo.o
2919 AC_SUBST(LIBS_TERMCAP)
2920 AC_SUBST(TERMCAP_OBJ)
2923 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2925 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2926 #include <arpa/nameser.h>
2927 #include <resolv.h>]],
2928 [[return res_init();]])],
2929 have_res_init=yes, have_res_init=no)
2930 if test "$have_res_init" = no; then
2932 LIBS="$LIBS -lresolv"
2933 AC_MSG_CHECKING(for res_init with -lresolv)
2934 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2935 #include <arpa/nameser.h>
2936 #include <resolv.h>]],
2937 [[return res_init();]])],
2938 have_res_init=yes, have_res_init=no)
2939 AC_MSG_RESULT($have_res_init)
2940 if test "$have_res_init" = yes ; then
2946 if test "$have_res_init" = yes; then
2947 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2950 # Do we need the Hesiod library to provide the support routines?
2952 if test "$with_hesiod" != no ; then
2953 # Don't set $LIBS here -- see comments above. FIXME which comments?
2954 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2955 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2956 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2957 if test "$resolv" = yes ; then
2962 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2963 hesiod=yes, :, $RESOLVLIB)])
2965 if test x"$hesiod" = xyes; then
2966 AC_DEFINE(HAVE_LIBHESIOD, 1,
2967 [Define to 1 if you have the hesiod library (-lhesiod).])
2973 # Do we need libresolv (due to res_init or Hesiod)?
2974 if test "$resolv" = yes ; then
2975 AC_DEFINE(HAVE_LIBRESOLV, 1,
2976 [Define to 1 if you have the resolv library (-lresolv).])
2983 # These tell us which Kerberos-related libraries to use.
2990 if test "${with_kerberos}" != no; then
2991 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2992 if test $have_com_err = yes; then
2993 COM_ERRLIB=-lcom_err
2994 LIBS="$COM_ERRLIB $LIBS"
2995 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2997 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2998 if test $have_crypto = yes; then
3000 LIBS="$CRYPTOLIB $LIBS"
3001 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3003 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3004 if test $have_k5crypto = yes; then
3005 CRYPTOLIB=-lk5crypto
3006 LIBS="$CRYPTOLIB $LIBS"
3007 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3009 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3010 if test $have_krb5=yes; then
3012 LIBS="$KRB5LIB $LIBS"
3013 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3015 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3016 if test "${with_kerberos5}" = no; then
3017 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3018 if test $have_des425 = yes; then
3020 LIBS="$DESLIB $LIBS"
3021 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3023 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3024 if test $have_des = yes; then
3026 LIBS="$DESLIB $LIBS"
3027 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3030 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3031 if test $have_krb4 = yes; then
3033 LIBS="$KRB4LIB $LIBS"
3034 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3036 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3037 if test $have_krb = yes; then
3039 LIBS="$KRB4LIB $LIBS"
3040 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3045 if test "${with_kerberos5}" != no; then
3046 AC_CHECK_HEADERS(krb5.h,
3047 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3048 [#include <krb5.h>])])
3050 AC_CHECK_HEADERS(des.h,,
3051 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3052 [AC_CHECK_HEADERS(kerberos/des.h)])])
3053 AC_CHECK_HEADERS(krb.h,,
3054 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3055 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3057 AC_CHECK_HEADERS(com_err.h)
3060 AC_SUBST(COM_ERRLIB)
3066 AC_MSG_CHECKING(whether localtime caches TZ)
3067 AC_CACHE_VAL(emacs_cv_localtime_cache,
3068 [if test x$ac_cv_func_tzset = xyes; then
3069 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3070 char TZ_GMT0[] = "TZ=GMT0";
3071 char TZ_PST8[] = "TZ=PST8";
3074 time_t now = time ((time_t *) 0);
3075 int hour_GMT0, hour_unset;
3076 if (putenv (TZ_GMT0) != 0)
3078 hour_GMT0 = localtime (&now)->tm_hour;
3080 hour_unset = localtime (&now)->tm_hour;
3081 if (putenv (TZ_PST8) != 0)
3083 if (localtime (&now)->tm_hour == hour_GMT0)
3086 if (localtime (&now)->tm_hour != hour_unset)
3089 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3090 [# If we have tzset, assume the worst when cross-compiling.
3091 emacs_cv_localtime_cache=yes])
3093 # If we lack tzset, report that localtime does not cache TZ,
3094 # since we can't invalidate the cache if we don't have tzset.
3095 emacs_cv_localtime_cache=no
3097 AC_MSG_RESULT($emacs_cv_localtime_cache)
3098 if test $emacs_cv_localtime_cache = yes; then
3099 AC_DEFINE(LOCALTIME_CACHE, 1,
3100 [Define to 1 if localtime caches TZ.])
3103 if test "x$HAVE_TIMEVAL" = xyes; then
3104 AC_CHECK_FUNCS(gettimeofday)
3105 if test $ac_cv_func_gettimeofday = yes; then
3106 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3107 emacs_cv_gettimeofday_two_arguments,
3108 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3109 #ifdef TIME_WITH_SYS_TIME
3110 #include <sys/time.h>
3113 #ifdef HAVE_SYS_TIME_H
3114 #include <sys/time.h>
3119 [[struct timeval time;
3120 gettimeofday (&time, 0);]])],
3121 emacs_cv_gettimeofday_two_arguments=yes,
3122 emacs_cv_gettimeofday_two_arguments=no)])
3123 if test $emacs_cv_gettimeofday_two_arguments = no; then
3124 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3125 [Define to 1 if gettimeofday accepts only one argument.])
3131 AC_CHECK_FUNC(socket, , ok_so_far=no)
3132 if test $ok_so_far = yes; then
3133 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3135 if test $ok_so_far = yes; then
3136 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3138 if test $ok_so_far = yes; then
3139 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3140 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3141 [Define to 1 if you have inet sockets.])
3144 if test -f /usr/lpp/X11/bin/smt.exp; then
3145 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3146 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3149 AC_MSG_CHECKING(whether system supports dynamic ptys)
3150 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3152 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3159 AC_CHECK_FUNCS(snprintf)
3161 dnl Adapted from Haible's version.
3162 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3163 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3164 [[char* cs = nl_langinfo(CODESET);]])],
3165 emacs_cv_langinfo_codeset=yes,
3166 emacs_cv_langinfo_codeset=no)
3168 if test $emacs_cv_langinfo_codeset = yes; then
3169 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3170 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3175 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3176 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3177 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3178 if test "$emacs_cv_c_restrict_arr" = yes; then
3179 AC_DEFINE(__restrict_arr, __restrict,
3180 [Define to compiler's equivalent of C99 restrict keyword in array
3181 declarations. Define as empty for no equivalent.])
3184 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3185 dnl how the tty code is related to POSIX and/or other versions of termios.
3186 dnl The following looks like a useful start.
3188 dnl AC_SYS_POSIX_TERMIOS
3189 dnl if test $ac_cv_sys_posix_termios = yes; then
3190 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3191 dnl and macros for terminal control.])
3192 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3195 # Set up the CFLAGS for real compilation, so we can substitute it.
3196 CFLAGS="$REAL_CFLAGS"
3197 CPPFLAGS="$REAL_CPPFLAGS"
3199 ## Hack to detect a buggy GCC version.
3200 if test "x$GCC" = xyes \
3201 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3202 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3203 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3204 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3207 version=$PACKAGE_VERSION
3209 ### Specify what sort of things we'll be editing into Makefile and config.h.
3210 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3212 AC_SUBST(configuration)
3217 AC_SUBST(exec_prefix)
3220 AC_SUBST(sharedstatedir)
3221 AC_SUBST(libexecdir)
3225 AC_SUBST(locallisppath)
3227 AC_SUBST(x_default_search_path)
3229 AC_SUBST(archlibdir)
3234 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3235 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3236 ## end of LIBX_BASE, but nothing ever set it.
3237 AC_SUBST(LD_SWITCH_X_SITE)
3238 AC_SUBST(C_SWITCH_X_SITE)
3239 AC_SUBST(GNUSTEP_CFLAGS)
3241 ## Used in lwlib/Makefile.in.
3242 AC_SUBST(X_TOOLKIT_TYPE)
3243 if test -n "${machfile}"; then
3244 M_FILE="\$(srcdir)/${machfile}"
3248 S_FILE="\$(srcdir)/${opsysfile}"
3252 AC_SUBST(ns_appbindir)
3253 AC_SUBST(ns_appresdir)
3255 AC_SUBST(GNU_OBJC_CFLAGS)
3256 AC_SUBST(OTHER_FILES)
3258 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3259 [Define to the canonical Emacs configuration name.])
3260 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3261 [Define to the options passed to configure.])
3262 if test -n "$machfile"; then
3263 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3264 [Define to the used machine dependent file.])
3266 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3267 [Define to the used os dependent file.])
3272 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3273 AC_DEFINE(HAVE_X_WINDOWS, 1,
3274 [Define to 1 if you want to use the X window system.])
3276 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3278 if test "$HAVE_XFT" = "yes"; then
3279 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3280 elif test "$HAVE_FREETYPE" = "yes"; then
3281 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3291 if test "${USE_X_TOOLKIT}" != "none" ; then
3293 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3294 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3295 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3296 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3297 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3301 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3302 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3306 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3307 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3308 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3312 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3313 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3316 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3319 AC_SUBST(WIDGET_OBJ)
3322 case "$USE_X_TOOLKIT" in
3323 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3324 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3325 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3327 AC_SUBST(TOOLKIT_LIBW)
3329 if test "$USE_X_TOOLKIT" = "none"; then
3330 LIBXT_OTHER="\$(LIBXSM)"
3331 OLDXMENU_TARGET="really-oldXMenu"
3333 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3334 OLDXMENU_TARGET="really-lwlib"
3336 AC_SUBST(LIBXT_OTHER)
3338 ## The X Menu stuff is present in the X10 distribution, but missing
3339 ## from X11. If we have X10, just use the installed library;
3340 ## otherwise, use our own copy.
3341 if test "${HAVE_X11}" = "yes" ; then
3342 AC_DEFINE(HAVE_X11, 1,
3343 [Define to 1 if you want to use version 11 of X windows.
3344 Otherwise, Emacs expects to use version 10.])
3346 if test "$USE_X_TOOLKIT" = "none"; then
3347 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3349 OLDXMENU="\${lwlibdir}/liblw.a"
3351 LIBXMENU="\$(OLDXMENU)"
3352 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3353 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3355 ## For a syntactically valid Makefile; not actually used for anything.
3356 ## See comments in src/Makefile.in.
3358 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3359 if test "${HAVE_X_WINDOWS}" = "yes"; then
3368 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3375 AC_SUBST(OLDXMENU_TARGET)
3378 AC_SUBST(LIBX_OTHER)
3379 AC_SUBST(OLDXMENU_DEPS)
3381 if test "${HAVE_MENUS}" = "yes" ; then
3382 AC_DEFINE(HAVE_MENUS, 1,
3383 [Define to 1 if you have mouse menus.
3384 (This is automatic if you use X, but the option to specify it remains.)
3385 It is also defined with other window systems that support xmenu.c.])
3388 if test "${GNU_MALLOC}" = "yes" ; then
3389 AC_DEFINE(GNU_MALLOC, 1,
3390 [Define to 1 if you want to use the GNU memory allocator.])
3394 if test "${REL_ALLOC}" = "yes" ; then
3395 AC_DEFINE(REL_ALLOC, 1,
3396 [Define REL_ALLOC if you want to use the relocating allocator for
3399 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3401 AC_SUBST(RALLOC_OBJ)
3403 if test "$opsys" = "cygwin"; then
3404 CYGWIN_OBJ="sheap.o"
3405 ## Cygwin differs because of its unexec().
3407 POST_ALLOC_OBJ=lastfile.o
3410 PRE_ALLOC_OBJ=lastfile.o
3413 AC_SUBST(CYGWIN_OBJ)
3414 AC_SUBST(PRE_ALLOC_OBJ)
3415 AC_SUBST(POST_ALLOC_OBJ)
3417 # Configure gnulib here, now that we know LIBS.
3418 gl_ASSERT_NO_GNULIB_POSIXCHECK
3419 gl_ASSERT_NO_GNULIB_TESTS
3423 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3426 ## The -headerpad option tells ld (see man page) to leave room at the
3427 ## end of the header for adding load commands. Needed for dumping.
3428 ## 0x690 is the total size of 30 segment load commands (at 56
3429 ## each); under Cocoa 31 commands are required.
3430 if test "$HAVE_NS" = "yes"; then
3431 libs_nsgui="-framework AppKit"
3437 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3439 ## This is here because src/Makefile.in did some extra fiddling around
3440 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3441 ## #ifndef LD_SWITCH_SYSTEM
3442 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3443 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3444 ## not using gcc, darwin system not on an alpha (ie darwin, since
3445 ## darwin + alpha does not occur).
3446 ## Because this was done in src/Makefile.in, the resulting part of
3447 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3448 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3449 ## rather than LD_SWITCH_SYSTEM.
3450 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3451 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3454 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
3455 ## find X at run-time.
3456 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
3457 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
3458 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3459 ## had different values in configure (in ac_link) and src/Makefile.in.
3460 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3461 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
3463 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3466 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3467 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3470 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3476 ## gnu: GNU needs its own crt0.
3477 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3479 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3480 ## library search parth, i.e. it won't search /usr/lib for libc and
3481 ## friends. Using -nostartfiles instead avoids this problem, and
3482 ## will also work on earlier NetBSD releases.
3483 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3485 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3486 ## MkLinux/LinuxPPC needs this.
3487 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3490 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3496 if test "x$ORDINARY_LINK" = "xyes"; then
3499 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3501 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3502 ## freebsd, gnu-* not on macppc|ibms390x.
3503 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3505 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3506 ## places that are difficult to figure out at make time. Fortunately,
3507 ## these same versions allow you to pass arbitrary flags on to the
3508 ## linker, so there is no reason not to use it as a linker.
3510 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3511 ## searching for libraries in its internal directories, so we have to
3512 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3513 LD_FIRSTFLAG="-nostdlib"
3516 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3517 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3519 AC_SUBST(LD_FIRSTFLAG)
3522 ## FIXME? The logic here is not precisely the same as that above.
3523 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3524 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3526 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3529 freebsd|netbsd|openbsd) LIB_GCC= ;;
3532 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3533 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3539 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3540 ## immediately undefine it again and redefine it to empty.
3541 ## Was the C_SWITCH_X_SITE part really necessary?
3542 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3548 ## Ask GCC where to find libgcc.a.
3549 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3555 ## If we're using X11/GNUstep, define some consequences.
3556 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3557 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3558 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3562 AH_TOP([/* GNU Emacs site configuration template file.
3564 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3565 Free Software Foundation, Inc.
3567 This file is part of GNU Emacs.
3569 GNU Emacs is free software: you can redistribute it and/or modify
3570 it under the terms of the GNU General Public License as published by
3571 the Free Software Foundation, either version 3 of the License, or
3572 (at your option) any later version.
3574 GNU Emacs is distributed in the hope that it will be useful,
3575 but WITHOUT ANY WARRANTY; without even the implied warranty of
3576 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3577 GNU General Public License for more details.
3579 You should have received a copy of the GNU General Public License
3580 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3583 /* No code in Emacs #includes config.h twice, but some bits of code
3584 intended to work with other packages as well (like gmalloc.c)
3585 think they can include it as many times as they like. */
3586 #ifndef EMACS_CONFIG_H
3587 #define EMACS_CONFIG_H
3591 /* On AIX 3 this must be included before any other include file. */
3594 # error "alloca not available on this machine"
3597 /* Define AMPERSAND_FULL_NAME if you use the convention
3598 that & in the full name stands for the login id. */
3599 /* Turned on June 1996 supposing nobody will mind it. */
3600 #define AMPERSAND_FULL_NAME
3602 /* `subprocesses' should be defined if you want to
3603 have code for asynchronous subprocesses
3604 (as used in M-x compile and M-x shell).
3605 Only MSDOS does not support this (it overrides
3606 this in its config_opsysfile below). */
3608 #define subprocesses
3610 /* Include the os and machine dependent files. */
3611 #include config_opsysfile
3612 #ifdef config_machfile
3613 # include config_machfile
3616 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3617 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3618 (There is probably a better place to do this, but right now the
3619 Cocoa side does this in s/darwin.h and we cannot parallel this
3620 exactly since GNUstep is multi-OS. */
3621 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3622 # define SYSTEM_PURESIZE_EXTRA 30000
3625 #ifdef emacs /* Don't do this for lib-src. */
3626 /* Tell regex.c to use a type compatible with Emacs. */
3627 #define RE_TRANSLATE_TYPE Lisp_Object
3628 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3630 /* If make_number is a macro, use it. */
3631 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3633 /* If make_number is a function, avoid it. */
3634 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3638 /* These default definitions are good for almost all machines.
3639 Any exceptions should override them in m/MACHINE.h.
3640 They must be usable in preprocessor conditionals. */
3642 #ifndef BITS_PER_CHAR
3643 #define BITS_PER_CHAR 8
3646 #ifndef BITS_PER_SHORT
3647 #define BITS_PER_SHORT 16
3650 #ifndef BITS_PER_INT
3651 #define BITS_PER_INT 32
3654 #ifndef BITS_PER_LONG
3656 #define BITS_PER_LONG 64
3658 #define BITS_PER_LONG 32
3662 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3663 #define BITS_PER_LONG_LONG 64
3666 /* Define if the compiler supports function prototypes. It may do so but
3667 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3673 #if defined __GNUC__ && (__GNUC__ > 2 \
3674 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3675 #define NO_RETURN __attribute__ ((__noreturn__))
3677 #define NO_RETURN /* nothing */
3680 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3681 #define NO_INLINE __attribute__((noinline))
3686 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3687 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3689 #define EXTERNALLY_VISIBLE
3692 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3693 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3695 # define ATTRIBUTE_FORMAT(spec) /* empty */
3698 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3699 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3700 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3702 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3703 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3706 /* Some versions of GNU/Linux define noinline in their headers. */
3711 /* These won't be used automatically yet. We also need to know, at least,
3712 that the stack is continuous. */
3714 # ifndef GC_SETJMP_WORKS
3715 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3716 # define GC_SETJMP_WORKS 1
3720 #endif /* EMACS_CONFIG_H */
3729 #### Report on what we decided to do.
3730 #### Report GTK as a toolkit, even if it doesn't use Xt.
3731 #### It makes printing result more understandable as using GTK sets
3732 #### toolkit_scroll_bars to yes by default.
3733 if test "${HAVE_GTK}" = "yes"; then
3738 if test -n "$machfile"; then
3739 and_machfile=" and \`${machfile}'"
3743 Configured for \`${canonical}'.
3745 Where should the build process find the source code? ${srcdir}
3746 What operating system and machine description files should Emacs use?
3747 \`${opsysfile}'${and_machfile}
3748 What compiler should emacs be built with? ${CC} ${CFLAGS}
3749 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3750 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3751 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3752 What window system should Emacs use? ${window_system}
3753 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3755 if test -n "${x_includes}"; then
3756 echo " Where do we find X Windows header files? ${x_includes}"
3758 echo " Where do we find X Windows header files? Standard dirs"
3760 if test -n "${x_libraries}"; then
3761 echo " Where do we find X Windows libraries? ${x_libraries}"
3763 echo " Where do we find X Windows libraries? Standard dirs"
3766 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3767 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3768 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3769 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3770 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3771 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3772 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3773 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3775 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3776 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3777 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3778 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3779 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3780 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3781 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3783 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3784 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3785 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3786 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3788 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3791 if test -n "${EMACSDATA}"; then
3792 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3794 if test -n "${EMACSDOC}"; then
3795 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3798 if test $USE_XASSERTS = yes; then
3799 echo " Compiling with asserts turned on."
3800 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3805 if test "$HAVE_NS" = "yes"; then
3807 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3808 The installed application will go to nextstep/Emacs.app and can be
3809 run or moved from there."
3810 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3811 echo "The application will be fully self-contained."
3813 echo "The lisp resources for the application will be installed under ${prefix}.
3814 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3815 to run if these resources are not installed."
3820 if test "${opsys}" = "cygwin"; then
3822 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3828 # Remove any trailing slashes in these variables.
3829 [test "${prefix}" != NONE &&
3830 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3831 test "${exec_prefix}" != NONE &&
3832 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3834 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3835 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3836 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3837 dnl (else you get "no `Makefile.am' found for any configure output").
3838 dnl This will work, but you get a config.status that is not quite right
3839 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3840 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3841 dnl it seems better to just live with the duplication.
3842 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"
3844 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3845 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3846 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3849 dnl test/ is not present in release tarfiles.
3850 opt_makefile=test/automated/Makefile
3852 if test -f $srcdir/${opt_makefile}.in; then
3853 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3854 dnl Again, it's best not to use a variable. Though you can add
3855 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3856 AC_CONFIG_FILES([test/automated/Makefile])
3860 dnl admin/ may or may not be present.
3861 opt_makefile=admin/unidata/Makefile
3863 if test -f $srcdir/${opt_makefile}.in; then
3864 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3865 AC_CONFIG_FILES([admin/unidata/Makefile])
3869 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3871 AC_SUBST(SUBDIR_MAKEFILES_IN)
3873 dnl Make the necessary directories, if they don't exist.
3874 AC_CONFIG_COMMANDS([mkdirs], [
3875 for dir in etc lisp ; do
3876 test -d ${dir} || mkdir ${dir}
3880 dnl You might wonder (I did) why epaths.h is generated by running make,
3881 dnl rather than just letting configure generate it from epaths.in.
3882 dnl One reason is that the various paths are not fully expanded (see above);
3883 dnl eg gamedir=${prefix}/var/games/emacs.
3884 dnl Secondly, the GNU Coding standards require that one should be able
3885 dnl to run `make prefix=/some/where/else' and override the values set
3886 dnl by configure. This also explains the `move-if-change' test and
3887 dnl the use of force in the `epaths-force' rule in Makefile.in.
3888 AC_CONFIG_COMMANDS([epaths], [
3889 echo creating src/epaths.h
3890 ${MAKE-make} epaths-force
3891 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
3893 AC_CONFIG_COMMANDS([gdbinit], [
3894 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3895 echo creating src/.gdbinit
3896 echo source $srcdir/src/.gdbinit > src/.gdbinit
3902 dnl configure.in ends here