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 leimdir='${datadir}/emacs/${version}/leim'
41 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
42 '${datadir}/emacs/site-lisp'
43 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
44 etcdir='${datadir}/emacs/${version}/etc'
45 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
46 docdir='${datadir}/emacs/${version}/etc'
47 gamedir='${localstatedir}/games/emacs'
49 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
50 dnl Create a new --with option that defaults to being disabled.
51 dnl NAME is the base name of the option. The shell variable with_NAME
52 dnl will be set to either the user's value (if the option is
53 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
54 dnl option is not specified). Note that the shell variable name is
55 dnl constructed as autoconf does, by replacing non-alphanumeric
56 dnl characters with "_".
57 dnl HELP-STRING is the help text for the option.
58 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
59 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
60 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
63 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
64 dnl Create a new --with option that defaults to being enabled. NAME
65 dnl is the base name of the option. The shell variable with_NAME
66 dnl will be set either to 'no' (for a plain --without-NAME) or to
67 dnl 'yes' (if the option is not specified). Note that the shell
68 dnl variable name is constructed as autoconf does, by replacing
69 dnl non-alphanumeric characters with "_".
70 dnl HELP-STRING is the help text for the option.
71 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
72 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
73 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
76 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
77 if test "$with_pop" = yes; then
78 AC_DEFINE(MAIL_USE_POP)
80 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
82 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
83 if test "$with_kerberos" != no; then
87 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
89 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
90 if test "${with_kerberos5}" != no; then
91 if test "${with_kerberos}" = no; then
95 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
98 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
99 dnl FIXME hesiod support may not be present, so it seems like an error
100 dnl to define, or at least use, this unconditionally.
101 if test "$with_hesiod" != no; then
102 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
105 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
106 if test "$with_mmdf" != no; then
107 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
110 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
111 if test "$with_mail_unlink" != no; then
112 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
115 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
116 [string giving default POP mail host])],
117 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
119 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
121 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
122 if test "$with_sync_input" = yes; then
123 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
126 dnl FIXME currently it is not the last.
127 dnl This should be the last --with option, because --with-x is
128 dnl added later on when we find the path of X, and it's best to
129 dnl keep them together visually.
130 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
131 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
132 [ case "${withval}" in
133 y | ye | yes ) val=gtk ;;
135 l | lu | luc | luci | lucid ) val=lucid ;;
136 a | at | ath | athe | athen | athena ) val=athena ;;
137 m | mo | mot | moti | motif ) val=motif ;;
138 g | gt | gtk ) val=gtk ;;
141 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
142 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
143 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
149 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
150 if test "$with_wide_int" = yes; then
151 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
154 dnl _ON results in a '--without' option in the --help output, so
155 dnl the help text should refer to "don't compile", etc.
156 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
157 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
158 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
159 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
160 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
161 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
162 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
163 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
165 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
166 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
167 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
169 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
170 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
171 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
172 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
174 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
175 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
176 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
177 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
178 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
179 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
181 ## For the times when you want to build Emacs but don't have
182 ## a suitable makeinfo, and can live without the manuals.
183 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
184 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
186 ## Makefile.in needs the cache file name.
189 ## This is an option because I do not know if all info/man support
190 ## compressed files, nor how to test if they do so.
191 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
192 if test $with_compress_info = yes; then
199 AC_ARG_WITH([pkg-config-prog],dnl
200 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
201 [path to pkg-config for finding GTK and librsvg])])
202 if test "X${with_pkg_config_prog}" != X; then
203 if test "${with_pkg_config_prog}" != yes; then
204 PKG_CONFIG="${with_pkg_config_prog}"
209 AC_ARG_WITH([crt-dir],dnl
210 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
211 The default is /usr/lib, or /usr/lib64 on some platforms.])])
212 CRT_DIR="${with_crt_dir}"
214 AC_ARG_WITH(gameuser,dnl
215 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
216 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
217 && gameuser="${with_gameuser}"
218 test "X$gameuser" = X && gameuser=games
220 AC_ARG_WITH([gnustep-conf],dnl
221 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
222 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
223 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
224 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
225 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
227 AC_ARG_ENABLE(ns-self-contained,
228 [AS_HELP_STRING([--disable-ns-self-contained],
229 [disable self contained build under NeXTstep])],
230 EN_NS_SELF_CONTAINED=$enableval,
231 EN_NS_SELF_CONTAINED=yes)
233 AC_ARG_ENABLE(asserts,
234 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
235 USE_XASSERTS=$enableval,
238 AC_ARG_ENABLE(maintainer-mode,
239 [AS_HELP_STRING([--disable-maintainer-mode],
240 [disable make rules and dependencies not useful (and sometimes
241 confusing) to the casual installer])],
242 USE_MAINTAINER_MODE=$enableval,
243 USE_MAINTAINER_MODE=yes)
244 if test $USE_MAINTAINER_MODE = yes; then
251 AC_ARG_ENABLE(locallisppath,
252 [AS_HELP_STRING([--enable-locallisppath=PATH],
253 [directories Emacs should search for lisp files specific
255 if test "${enableval}" = "no"; then
257 elif test "${enableval}" != "yes"; then
258 locallisppath=${enableval}
261 AC_ARG_ENABLE(checking,
262 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
263 [enable expensive run-time checks. With LIST,
264 enable only specific categories of checks.
265 Categories are: all,yes,no.
266 Flags are: stringbytes, stringoverrun, stringfreelist,
267 xmallocoverrun, conslist])],
268 [ac_checking_flags="${enableval}"],[])
269 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
270 for check in $ac_checking_flags
273 # these set all the flags to specific states
274 yes) ac_enable_checking=1 ;;
275 no) ac_enable_checking= ;
276 ac_gc_check_stringbytes= ;
277 ac_gc_check_string_overrun= ;
278 ac_gc_check_string_free_list= ;
279 ac_xmalloc_overrun= ;
280 ac_gc_check_cons_list= ;;
281 all) ac_enable_checking=1 ;
282 ac_gc_check_stringbytes=1 ;
283 ac_gc_check_string_overrun=1 ;
284 ac_gc_check_string_free_list=1 ;
285 ac_xmalloc_overrun=1 ;
286 ac_gc_check_cons_list=1 ;;
287 # these enable particular checks
288 stringbytes) ac_gc_check_stringbytes=1 ;;
289 stringoverrun) ac_gc_check_string_overrun=1 ;;
290 stringfreelist) ac_gc_check_string_free_list=1 ;;
291 xmallocoverrun) ac_xmalloc_overrun=1 ;;
292 conslist) ac_gc_check_cons_list=1 ;;
293 *) AC_MSG_ERROR(unknown check category $check) ;;
298 if test x$ac_enable_checking != x ; then
299 AC_DEFINE(ENABLE_CHECKING, 1,
300 [Enable expensive run-time checking of data types?])
302 if test x$ac_gc_check_stringbytes != x ; then
303 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
304 [Define this temporarily to hunt a bug. If defined, the size of
305 strings is redundantly recorded in sdata structures so that it can
306 be compared to the sizes recorded in Lisp strings.])
308 if test x$ac_gc_check_string_overrun != x ; then
309 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
310 [Define this to check for short string overrun.])
312 if test x$ac_gc_check_string_free_list != x ; then
313 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
314 [Define this to check the string free list.])
316 if test x$ac_xmalloc_overrun != x ; then
317 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
318 [Define this to check for malloc buffer overrun.])
320 if test x$ac_gc_check_cons_list != x ; then
321 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
322 [Define this to check for errors in cons list.])
325 AC_ARG_ENABLE(use-lisp-union-type,
326 [AS_HELP_STRING([--enable-use-lisp-union-type],
327 [use a union for the Lisp_Object data type.
328 This is only useful for development for catching certain types of bugs.])],
329 if test "${enableval}" != "no"; then
330 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
331 [Define this to use a lisp union for the Lisp_Object data type.])
335 AC_ARG_ENABLE(profiling,
336 [AS_HELP_STRING([--enable-profiling],
337 [build emacs with profiling support.
338 This might not work on all platforms])],
339 [ac_enable_profiling="${enableval}"],[])
340 if test x$ac_enable_profiling != x ; then
341 PROFILING_CFLAGS="-DPROFILING=1 -pg"
345 AC_SUBST(PROFILING_CFLAGS)
347 AC_ARG_ENABLE(autodepend,
348 [AS_HELP_STRING([--enable-autodepend],
349 [automatically generate dependencies to .h-files.
350 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
352 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
354 #### Make srcdir absolute, if it isn't already. It's important to
355 #### avoid running the path through pwd unnecessarily, since pwd can
356 #### give you automounter prefixes, which can go away. We do all this
357 #### so Emacs can find its files when run uninstalled.
358 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
363 ## We may be able to use the $PWD environment variable to make this
364 ## absolute. But sometimes PWD is inaccurate.
365 ## Note: we used to use ${PWD} at the end instead of `pwd`,
366 ## but that tested only for a well-formed and valid PWD,
367 ## it did not object when PWD was well-formed and valid but just wrong.
368 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
372 srcdir="`(cd ${srcdir}; pwd)`"
375 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
378 #### Given the configuration name, set machfile and opsysfile to the
379 #### names of the m/*.h and s/*.h files we should use.
381 ### Canonicalize the configuration name.
385 configuration=${host_alias-${build_alias-$host}}
387 dnl This used to use changequote, but, apart from `changequote is evil'
388 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
389 dnl the great gob of text. Thus it's not processed for possible expansion.
390 dnl Just make sure the brackets remain balanced.
392 dnl Since Emacs can't find matching pairs of quotes, boundaries are
393 dnl indicated by comments.
397 ### If you add support for a new configuration, add code to this
398 ### switch statement to recognize your configuration name and select
399 ### the appropriate operating system and machine description files.
401 ### You would hope that you could choose an m/*.h file pretty much
402 ### based on the machine portion of the configuration name, and an s/*.h
403 ### file based on the operating system portion. However, it turns out
404 ### that each m/*.h file is pretty manufacturer-specific - for
405 ### example mips.h is MIPS
406 ### So we basically have to have a special case for each
407 ### configuration name.
409 ### As far as handling version numbers on operating systems is
410 ### concerned, make sure things will fail in a fixable way. If
411 ### /etc/MACHINES doesn't say anything about version numbers, be
412 ### prepared to handle anything reasonably. If version numbers
413 ### matter, be sure /etc/MACHINES says something about it.
415 machine='' opsys='' unported=no
416 case "${canonical}" in
418 ## GNU/Linux and similar ports
422 alpha*) machine=alpha ;;
423 s390x-*) machine=ibms390x ;;
424 powerpc*) machine=macppc ;;
425 sparc*) machine=sparc ;;
426 ia64*) machine=ia64 ;;
427 m68k*) machine=m68k ;;
428 x86_64*) machine=amdx86-64 ;;
435 case "${canonical}" in
436 alpha*) machine=alpha ;;
437 amd64-*|x86_64-*) machine=amdx86-64 ;;
438 ia64-*) machine=ia64 ;;
439 i[3456]86-*) machine=intel386 ;;
440 powerpc-*) machine=macppc ;;
441 sparc-*) machine=sparc ;;
442 sparc64-*) machine=sparc ;;
446 ## FreeBSD kernel + glibc based userland
449 case "${canonical}" in
450 alpha*) machine=alpha ;;
451 amd64-*|x86_64-*) machine=amdx86-64 ;;
452 ia64-*) machine=ia64 ;;
453 i[3456]86-*) machine=intel386 ;;
454 powerpc-*) machine=macppc ;;
455 sparc-*) machine=sparc ;;
456 sparc64-*) machine=sparc ;;
463 case "${canonical}" in
464 alpha*) machine=alpha ;;
465 x86_64-*) machine=amdx86-64 ;;
466 i[3456]86-*) machine=intel386 ;;
467 m68k-*) machine=m68k ;;
468 powerpc-*) machine=macppc ;;
469 sparc*-) machine=sparc ;;
476 case "${canonical}" in
477 alpha*) machine=alpha ;;
478 x86_64-*) machine=amdx86-64 ;;
479 i386-*) machine=intel386 ;;
480 powerpc-*) machine=macppc ;;
481 sparc*) machine=sparc ;;
485 ## Apple Darwin / Mac OS X
487 case "${canonical}" in
488 i[3456]86-* ) machine=intel386 ;;
489 powerpc-* ) machine=macppc ;;
490 x86_64-* ) machine=amdx86-64 ;;
494 ## Use fink packages if available.
495 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
496 ## if test -d /sw/include && test -d /sw/lib; then
497 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
498 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
502 ## HP 9000 series 700 and 800, running HP/UX
506 hppa*-hp-hpux1[1-9]* )
508 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
512 rs6000-ibm-aix4.[23]* )
513 machine=ibmrs6000 opsys=aix4-2
515 powerpc-ibm-aix4.[23]* )
516 machine=ibmrs6000 opsys=aix4-2
518 rs6000-ibm-aix[56]* )
519 machine=ibmrs6000 opsys=aix4-2
521 powerpc-ibm-aix[56]* )
522 machine=ibmrs6000 opsys=aix4-2
525 ## Silicon Graphics machines
529 # Without defining _LANGUAGE_C, things get masked out in the headers
530 # so that, for instance, grepping for `free' in stdlib.h fails and
531 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
532 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
537 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
538 | x86_64-*-solaris2* | x86_64-*-sunos5*)
539 case "${canonical}" in
540 i[3456]86-*-* ) machine=intel386 ;;
541 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
542 sparc* ) machine=sparc ;;
545 case "${canonical}" in
546 *-sunos5.6* | *-solaris2.6* )
550 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
552 emacs_check_sunpro_c=yes
554 *-sunos5* | *-solaris* )
556 emacs_check_sunpro_c=yes
559 ## Watch out for a compiler that we know will not work.
560 case "${canonical}" in
561 *-solaris* | *-sunos5* )
562 if [ "x$CC" = x/usr/ucb/cc ]; then
563 ## /usr/ucb/cc doesn't work;
564 ## we should find some other compiler that does work.
572 ## Intel 386 machines where we don't care about the manufacturer.
575 case "${canonical}" in
576 *-cygwin ) opsys=cygwin ;;
577 *-darwin* ) opsys=darwin ;;
578 *-sysv4.2uw* ) opsys=unixware ;;
579 *-sysv5uw* ) opsys=unixware ;;
580 *-sysv5OpenUNIX* ) opsys=unixware ;;
581 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
590 ### If the code above didn't choose an operating system, just choose
591 ### an operating system based on the configuration name. You really
592 ### only want to use this when you have no idea what the right
593 ### operating system is; if you know what operating systems a machine
594 ### runs, it's cleaner to make it explicit in the case statement
596 if test x"${opsys}" = x; then
597 case "${canonical}" in
598 *-gnu* ) opsys=gnu ;;
608 if test $unported = yes; then
609 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
610 Check `etc/MACHINES' for recognized configuration names.])
613 if test -n "$machine"; then
614 machfile="m/${machine}.h"
618 opsysfile="s/${opsys}.h"
621 #### Choose a compiler.
623 dnl Sets GCC=yes if using gcc.
627 if test x$GCC = xyes; then
628 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
630 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
633 # Initialize gnulib right after choosing the compiler.
636 AC_ARG_ENABLE([gcc-warnings],
637 [AS_HELP_STRING([--enable-gcc-warnings],
638 [turn on lots of GCC warnings (for developers)])],
641 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
643 gl_gcc_warnings=$enableval],
647 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
648 # ------------------------------------------------
649 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
650 # Otherwise, run RUN-IF-NOT-FOUND.
651 AC_DEFUN([gl_GCC_VERSION_IFELSE],
655 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
658 # error "your version of gcc is older than $1.$2"
665 # When compiling with GCC, prefer -isystem to -I when including system
666 # include files, to avoid generating useless diagnostics for the files.
667 if test "$gl_gcc_warnings" != yes; then
672 # This, $nw, is the list of warnings we disable.
675 case $with_x_toolkit in
676 lucid | athena | motif)
677 # Old toolkits mishandle 'const'.
678 nw="$nw -Wwrite-strings"
681 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
684 AC_SUBST([WERROR_CFLAGS])
686 nw="$nw -Waggregate-return" # anachronistic
687 nw="$nw -Wlong-long" # C90 is anachronistic
688 nw="$nw -Wc++-compat" # We don't care about C++ compilers
689 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
690 nw="$nw -Wtraditional" # Warns on #elif which we use often
691 nw="$nw -Wcast-qual" # Too many warnings for now
692 nw="$nw -Wconversion" # Too many warnings for now
693 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
694 nw="$nw -Wsign-conversion" # Too many warnings for now
695 nw="$nw -Woverlength-strings" # Not a problem these days
696 nw="$nw -Wtraditional-conversion" # Too many warnings for now
697 nw="$nw -Wpadded" # Our structs are not padded
698 nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc.
699 nw="$nw -Wlogical-op" # any use of fwrite provokes this
700 nw="$nw -Wformat-nonliteral" # Emacs does this a lot
701 nw="$nw -Wvla" # warnings in gettext.h
702 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
703 nw="$nw -Wswitch-enum" # Too many warnings for now
704 nw="$nw -Wswitch-default" # Too many warnings for now
705 nw="$nw -Wfloat-equal" # e.g., ftoastr.c
706 nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p
708 # Emacs doesn't care about shadowing; see
709 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
712 # The following lines should be removable at some point.
713 nw="$nw -Wstack-protector"
714 nw="$nw -Wstrict-overflow"
715 nw="$nw -Wsuggest-attribute=const"
716 nw="$nw -Wsuggest-attribute=pure"
718 gl_MANYWARN_ALL_GCC([ws])
719 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
723 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
724 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
725 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
726 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
727 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
728 gl_WARN_ADD([-Wno-format-nonliteral])
730 # In spite of excluding -Wlogical-op above, it is enabled, as of
731 # gcc 4.5.0 20090517.
732 gl_WARN_ADD([-Wno-logical-op])
734 gl_WARN_ADD([-fdiagnostics-show-option])
735 gl_WARN_ADD([-funit-at-a-time])
737 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
738 AC_DEFINE([_FORTIFY_SOURCE], [2],
739 [enable compile-time and run-time bounds-checking, and some warnings])
740 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
742 # We use a slightly smaller set of warning options for lib/.
743 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
745 nw="$nw -Wunused-macros"
747 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
748 AC_SUBST([GNULIB_WARN_CFLAGS])
753 dnl Some other nice autoconf tests.
754 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
757 dnl if test "x$RANLIB" = x; then
761 ## Although we're running on an amd64 kernel, we're actually compiling for
762 ## the x86 architecture. The user should probably have provided an
763 ## explicit --build to `configure', but if everything else than the kernel
764 ## is running in i386 mode, we can help them out.
765 if test "$machine" = "amdx86-64"; then
766 AC_CHECK_DECL([i386])
767 if test "$ac_cv_have_decl_i386" = "yes"; then
768 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
770 machfile="m/${machine}.h"
774 AC_PATH_PROG(INSTALL_INFO, install-info)
775 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
776 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
777 dnl Don't use GZIP, which is used by gzip for additional parameters.
778 AC_PATH_PROG(GZIP_PROG, gzip)
781 ## Need makeinfo >= 4.7 (?) to build the manuals.
782 AC_PATH_PROG(MAKEINFO, makeinfo, no)
783 dnl By this stage, configure has already checked for egrep and set EGREP,
784 dnl or exited with an error if no egrep was found.
785 if test "$MAKEINFO" != "no" && \
786 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
790 ## Makeinfo is unusual. For a released Emacs, the manuals are
791 ## pre-built, and not deleted by the normal clean rules. makeinfo is
792 ## therefore in the category of "special tools" not normally required, which
793 ## configure does not have to check for (eg autoconf itself).
794 ## In a Bazaar checkout on the other hand, the manuals are not included.
795 ## So makeinfo is a requirement to build from Bazaar, and configure
796 ## should test for it as it does for any other build requirement.
797 ## We use the presence of $srcdir/info/emacs to distinguish a release,
798 ## with pre-built manuals, from a Bazaar checkout.
801 if test "$MAKEINFO" = "no"; then
803 if test "x${with_makeinfo}" = "xno"; then
805 elif test ! -e $srcdir/info/emacs; then
806 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
807 source tree does not seem to have pre-built manuals in the `info' directory.
808 Either install a suitable version of makeinfo, or re-run configure
809 with the `--without-makeinfo' option to build without the manuals.] )
812 AC_SUBST(HAVE_MAKEINFO)
814 dnl Just so that there is only a single place we need to edit.
820 dnl Add our options to ac_link now, after it is set up.
822 if test x$GCC = xyes; then
823 test "x$GCC_LINK_TEST_OPTIONS" != x && \
824 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
826 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
827 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
830 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
831 dnl If we can link with the flag, it shouldn't do any harm anyhow.
832 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
833 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
834 dnl if not built to support GNU ld.
836 late_LDFLAGS=$LDFLAGS
837 if test x$GCC = xyes; then
838 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
840 LDFLAGS="$LDFLAGS -znocombreloc"
843 AC_MSG_CHECKING([for -znocombreloc])
844 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
845 [AC_MSG_RESULT(yes)],
846 LDFLAGS=$late_LDFLAGS
850 dnl The function dump-emacs will not be defined and temacs will do
851 dnl (load "loadup") automatically unless told otherwise.
852 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
854 your-opsys-here) CANNOT_DUMP=yes ;;
857 test "$CANNOT_DUMP" = "yes" && \
858 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
860 AC_SUBST(CANNOT_DUMP)
865 # MSDOS uses unexcoff.o
866 # MSWindows uses unexw32.o
874 UNEXEC_OBJ=unexmacosx.o
877 UNEXEC_OBJ=unexhp9k800.o
880 # Use the Solaris dldump() function, called from unexsol.c, to dump
881 # emacs, instead of the generic ELF dump code found in unexelf.c.
882 # The resulting binary has a complete symbol table, and is better
883 # for debugging and other observability tools (debuggers, pstack, etc).
885 # If you encounter a problem using dldump(), please consider sending
886 # a message to the OpenSolaris tools-linking mailing list:
887 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
889 # It is likely that dldump() works with older Solaris too, but this has
890 # not been tested, so for now this change is for Solaris 10 or newer.
898 ## Let `ld' find image libs and similar things in /usr/local/lib.
899 ## The system compiler, GCC, has apparently been modified to not
900 ## look there, contrary to what a stock GCC would do.
901 ### It's not our place to do this. See bug#10313#17.
902 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
907 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
908 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
912 ### It's not our place to do this. See bug#10313#17.
913 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
918 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
919 ## otherwise Emacs dumps core on elf systems.
920 LD_SWITCH_SYSTEM="-Z"
923 AC_SUBST(LD_SWITCH_SYSTEM)
925 ac_link="$ac_link $LD_SWITCH_SYSTEM"
927 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
928 ## which has not been defined yet. When this was handled with cpp,
929 ## it was expanded to null when configure sourced the s/*.h file.
930 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
931 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
932 ## (or somesuch), but because it is supposed to go at the _front_
933 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
934 ## Compare with the gnu-linux case below, which added to the end
935 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
936 ## LD_SWITCH_SYSTEM_TEMACS.
939 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
944 if test "$machine" = "alpha"; then
945 AC_CHECK_DECL([__ELF__])
946 if test "$ac_cv_have_decl___ELF__" = "yes"; then
947 ## With ELF, make sure that all common symbols get allocated to in the
948 ## data section. Otherwise, the dump of temacs may miss variables in
949 ## the shared library that have been initialized. For example, with
950 ## GNU libc, __malloc_initialized would normally be resolved to the
951 ## shared library's .bss section, which is fatal.
952 if test "x$GCC" = "xyes"; then
953 C_SWITCH_MACHINE="-fno-common"
955 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
958 UNEXEC_OBJ=unexalpha.o
961 AC_SUBST(C_SWITCH_MACHINE)
966 ## Some programs in src produce warnings saying certain subprograms
967 ## are too complex and need a MAXMEM value greater than 2000 for
968 ## additional optimization. --nils@exp-math.uni-essen.de
969 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
970 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
971 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
972 ## It is redundant in glibc2, since we define _GNU_SOURCE.
973 AC_SUBST(C_SWITCH_SYSTEM)
978 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
979 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
981 freebsd) LIBS_SYSTEM="-lutil" ;;
983 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
985 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
987 ## Motif needs -lgen.
988 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
990 AC_SUBST(LIBS_SYSTEM)
993 ### Make sure subsequent tests use flags consistent with the build flags.
995 if test x"${OVERRIDE_CPPFLAGS}" != x; then
996 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
998 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1001 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1002 AC_DEFUN([AC_TYPE_SIZE_T])
1003 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1004 AC_DEFUN([AC_TYPE_UID_T])
1006 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1014 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
1018 START_FILES='pre-crt0.o'
1021 ## Adding -lm confuses the dynamic linker, so omit it.
1023 START_FILES='pre-crt0.o'
1026 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1027 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1029 gnu-linux | gnu-kfreebsd )
1030 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1031 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1033 hpux10-20 | hpux11 )
1035 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1037 dnl NB this may be adjusted below.
1039 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1040 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1045 AC_SUBST(START_FILES)
1047 dnl Not all platforms use crtn.o files. Check if the current one does.
1050 for file in x $LIB_STANDARD $START_FILES; do
1052 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1056 if test "x$crt_files" != x; then
1058 ## If user specified a crt-dir, use that unconditionally.
1061 if test "X$CRT_DIR" = "X"; then
1063 CRT_DIR=/usr/lib # default
1065 case "$canonical" in
1066 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1067 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1068 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1069 ## For anything else (eg /usr/lib32), it is up the user to specify
1070 ## the location (bug#5655).
1071 ## Test for crtn.o, not just the directory, because sometimes the
1072 ## directory exists but does not have the relevant files (bug#1287).
1073 ## FIXME better to test for binary compatibility somehow.
1074 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1077 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1081 hpux10-20) CRT_DIR=/lib ;;
1084 test "x${GCC}" = xyes && crt_gcc=yes
1090 for file in $crt_files; do
1092 ## If we're using gcc, try to determine it automatically by asking
1093 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1094 ## system-dependent default from above.]
1095 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1097 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1100 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1105 dnl We expect all the files to be in a single directory, so after the
1106 dnl first there is no point asking gcc.
1109 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1112 test "x$crt_missing" = x || \
1113 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1114 Try using the --with-crt-dir option.])
1116 fi # crt_files != ""
1122 if test -f $CRT_DIR/crti.o; then
1124 test -f $CRT_DIR/crtn.o || \
1125 AC_MSG_ERROR([Required file not found: crtn.o])
1127 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1128 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1134 dnl This function definition taken from Gnome 2.0
1135 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1136 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1137 dnl also defines GSTUFF_PKG_ERRORS on error
1138 AC_DEFUN([PKG_CHECK_MODULES], [
1141 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1143 if test "$PKG_CONFIG" = "no" ; then
1144 ifelse([$4], , [AC_MSG_ERROR([
1145 *** 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])
1147 PKG_CONFIG_MIN_VERSION=0.9.0
1148 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1149 AC_MSG_CHECKING(for $2)
1151 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1152 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1153 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1160 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1161 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1162 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1168 ## If we have a custom action on failure, don't print errors, but
1169 ## do set a variable so people can do so.
1170 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1171 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1177 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1178 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1182 if test $succeeded = yes; then
1183 ifelse([$3], , :, [$3])
1185 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.])], [$4])
1190 if test "${with_sound}" != "no"; then
1191 # Sound support for GNU/Linux and the free BSDs.
1192 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1193 have_sound_header=yes)
1194 # Emulation library used on NetBSD.
1195 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1199 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1200 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1201 if test $HAVE_ALSA = yes; then
1202 SAVE_CFLAGS="$CFLAGS"
1204 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1205 LIBS="$ALSA_LIBS $LIBS"
1206 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1207 emacs_alsa_normal=yes,
1208 emacs_alsa_normal=no)
1209 if test "$emacs_alsa_normal" != yes; then
1210 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1211 [[snd_lib_error_set_handler (0);]])],
1212 emacs_alsa_subdir=yes,
1213 emacs_alsa_subdir=no)
1214 if test "$emacs_alsa_subdir" != yes; then
1215 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1217 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1220 CFLAGS="$SAVE_CFLAGS"
1222 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1223 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1224 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1227 dnl Define HAVE_SOUND if we have sound support. We know it works and
1228 dnl compiles only on the specified platforms. For others, it
1229 dnl probably doesn't make sense to try.
1230 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1232 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1233 gnu-linux|freebsd|netbsd)
1234 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1239 AC_SUBST(CFLAGS_SOUND)
1242 dnl checks for header files
1243 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1244 linux/version.h sys/systeminfo.h \
1245 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1246 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1247 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1249 AC_MSG_CHECKING(if personality LINUX32 can be set)
1250 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1251 emacs_cv_personality_linux32=yes,
1252 emacs_cv_personality_linux32=no)
1253 AC_MSG_RESULT($emacs_cv_personality_linux32)
1255 if test $emacs_cv_personality_linux32 = yes; then
1256 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1257 [Define to 1 if personality LINUX32 can be set.])
1260 dnl On Solaris 8 there's a compilation warning for term.h because
1261 dnl it doesn't define `bool'.
1262 AC_CHECK_HEADERS(term.h, , , -)
1264 AC_CHECK_DECLS([sys_siglist])
1265 if test $ac_cv_have_decl_sys_siglist != yes; then
1266 # For Tru64, at least:
1267 AC_CHECK_DECLS([__sys_siglist])
1268 if test $ac_cv_have_decl___sys_siglist = yes; then
1269 AC_DEFINE(sys_siglist, __sys_siglist,
1270 [Define to any substitute for sys_siglist.])
1275 dnl Some systems have utime.h but don't declare the struct anyplace.
1276 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1277 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1278 #include <sys/time.h>
1281 #ifdef HAVE_SYS_TIME_H
1282 #include <sys/time.h>
1289 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1290 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1291 if test $emacs_cv_struct_utimbuf = yes; then
1292 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1295 dnl Check for speed_t typedef.
1296 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1297 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1298 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1299 if test $emacs_cv_speed_t = yes; then
1300 AC_DEFINE(HAVE_SPEED_T, 1,
1301 [Define to 1 if `speed_t' is declared by <termios.h>.])
1304 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1305 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1306 #include <sys/time.h>
1309 #ifdef HAVE_SYS_TIME_H
1310 #include <sys/time.h>
1314 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1315 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1316 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1317 if test $emacs_cv_struct_timeval = yes; then
1318 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1321 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1322 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1323 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1324 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1325 HAVE_EXCEPTION=$emacs_cv_struct_exception
1326 if test $emacs_cv_struct_exception != yes; then
1327 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1330 AC_CHECK_HEADERS(sys/socket.h)
1331 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1332 #if HAVE_SYS_SOCKET_H
1333 #include <sys/socket.h>
1335 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1336 #if HAVE_SYS_SOCKET_H
1337 #include <sys/socket.h>
1339 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1340 #if HAVE_SYS_SOCKET_H
1341 #include <sys/socket.h>
1343 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1345 dnl checks for structure members
1346 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1347 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1348 struct ifreq.ifr_addr,
1349 struct ifreq.ifr_addr.sa_len], , ,
1350 [AC_INCLUDES_DEFAULT
1351 #if HAVE_SYS_SOCKET_H
1352 #include <sys/socket.h>
1358 dnl checks for compiler characteristics
1360 dnl Testing __STDC__ to determine prototype support isn't good enough.
1361 dnl DEC C, for instance, doesn't define it with default options, and
1362 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1367 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1368 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1369 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1370 if test $emacs_cv_void_star = yes; then
1371 AC_DEFINE(POINTER_TYPE, void)
1373 AC_DEFINE(POINTER_TYPE, char)
1375 AH_TEMPLATE(POINTER_TYPE,
1376 [Define as `void' if your compiler accepts `void *'; otherwise
1377 define as `char'.])dnl
1379 dnl Check for endianness.
1382 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1383 [emacs_cv_attribute_aligned],
1386 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1388 [emacs_cv_attribute_aligned=yes],
1389 [emacs_cv_attribute_aligned=no])])
1390 if test $emacs_cv_attribute_aligned = yes; then
1391 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1392 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1395 dnl check for Make feature
1401 dnl check for GNU Make if we have GCC and autodepend is on.
1402 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1403 AC_MSG_CHECKING([whether we are using GNU Make])
1405 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1406 if test "x$testval" != x; then
1409 ac_enable_autodepend=no
1411 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1412 if test $HAVE_GNU_MAKE = yes; then
1413 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1414 SAVE_CFLAGS="$CFLAGS"
1415 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1416 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1417 CFLAGS="$SAVE_CFLAGS"
1418 test -f deps.d || ac_enable_autodepend=no
1420 AC_MSG_RESULT([$ac_enable_autodepend])
1422 if test $ac_enable_autodepend = yes; then
1423 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1424 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1425 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1426 deps_frag=autodeps.mk
1429 deps_frag=$srcdir/src/$deps_frag
1432 AC_SUBST_FILE(deps_frag)
1435 lisp_frag=$srcdir/src/lisp.mk
1436 AC_SUBST_FILE(lisp_frag)
1439 dnl checks for operating system services
1440 AC_SYS_LONG_FILE_NAMES
1442 #### Choose a window system.
1445 if test "$no_x" = yes; then
1451 LD_SWITCH_X_SITE_RPATH=
1452 if test "${x_libraries}" != NONE; then
1453 if test -n "${x_libraries}"; then
1454 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1455 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1457 x_default_search_path=""
1458 x_search_path=${x_libraries}
1459 if test -z "${x_search_path}"; then
1460 x_search_path=/usr/lib
1462 for x_library in `echo ${x_search_path}: | \
1463 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1465 ${x_library}/X11/%L/%T/%N%C%S:\
1466 ${x_library}/X11/%l/%T/%N%C%S:\
1467 ${x_library}/X11/%T/%N%C%S:\
1468 ${x_library}/X11/%L/%T/%N%S:\
1469 ${x_library}/X11/%l/%T/%N%S:\
1470 ${x_library}/X11/%T/%N%S"
1471 if test x"${x_default_search_path}" = x; then
1472 x_default_search_path=${x_search_path}
1474 x_default_search_path="${x_search_path}:${x_default_search_path}"
1478 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1480 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1481 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1484 if test x"${x_includes}" = x; then
1485 bitmapdir=/usr/include/X11/bitmaps
1487 # accumulate include directories that have X11 bitmap subdirectories
1489 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1490 if test -d "${bmd}/X11/bitmaps"; then
1491 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1493 if test -d "${bmd}/bitmaps"; then
1494 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1497 if test ${bmd_acc} != "dummyval"; then
1498 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1505 tmp_CPPFLAGS="$CPPFLAGS"
1506 tmp_CFLAGS="$CFLAGS"
1507 CPPFLAGS="$CPPFLAGS -x objective-c"
1508 CFLAGS="$CFLAGS -x objective-c"
1509 TEMACS_LDFLAGS2="\${LDFLAGS}"
1511 if test "${with_ns}" != no; then
1512 if test "${opsys}" = darwin; then
1514 ns_appdir=`pwd`/nextstep/Emacs.app
1515 ns_appbindir=${ns_appdir}/Contents/MacOS
1516 ns_appresdir=${ns_appdir}/Contents/Resources
1517 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1518 elif test -f $GNUSTEP_CONFIG_FILE; then
1520 ns_appdir=`pwd`/nextstep/Emacs.app
1521 ns_appbindir=${ns_appdir}
1522 ns_appresdir=${ns_appdir}/Resources
1523 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1524 dnl FIXME sourcing this several times in subshells seems inefficient.
1525 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1526 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1527 dnl I seemed to need these as well with GNUstep-startup 0.25.
1528 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1529 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1530 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1531 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1532 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1533 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1534 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1535 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1536 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1540 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1541 dnl If they had chosen to either define it or not, we could have
1542 dnl just used AC_CHECK_DECL here.
1543 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1544 emacs_cv_objc_exceptions,
1545 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1546 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1550 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1551 if test $emacs_cv_objc_exceptions = yes; then
1552 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1553 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1554 [Define if GNUstep uses ObjC exceptions.])
1555 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1559 dnl This is only used while we test the NS headers, it gets reset below.
1560 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1562 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1563 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1564 files are missing or cannot be compiled.])])
1565 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1567 ns_have_nsinteger=yes,
1568 ns_have_nsinteger=no)
1569 if test $ns_have_nsinteger = yes; then
1570 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1573 AC_SUBST(TEMACS_LDFLAGS2)
1575 INSTALL_ARCH_INDEP_EXTRA=install-etc
1576 ns_self_contained=no
1580 if test "${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 leimdir="\${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="$tmp_CPPFLAGS"
1611 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1612 AC_SUBST(ns_self_contained)
1614 AC_SUBST(NS_OBJC_OBJ)
1615 AC_SUBST(LIB_STANDARD)
1616 AC_SUBST_FILE(ns_frag)
1618 case "${window_system}" in
1622 case "${with_x_toolkit}" in
1623 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1624 motif ) USE_X_TOOLKIT=MOTIF ;;
1626 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1627 dnl USE_X_TOOLKIT is set.
1628 USE_X_TOOLKIT=none ;;
1629 gtk3 ) with_gtk3=yes
1630 USE_X_TOOLKIT=none ;;
1631 no ) USE_X_TOOLKIT=none ;;
1632 dnl If user did not say whether to use a toolkit, make this decision later:
1633 dnl use the toolkit if we have gtk, or X11R5 or newer.
1634 * ) USE_X_TOOLKIT=maybe ;;
1644 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1645 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1646 if test "$HAVE_XSERVER" = true ||
1647 test -n "$DISPLAY" ||
1648 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1649 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1650 were found. You should install the relevant development files for X
1651 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1652 sure you have development files for image handling, i.e.
1653 tiff, gif, jpeg, png and xpm.
1654 If you are sure you want Emacs compiled without X window support, pass
1660 ### If we're using X11, we should use the X menu package.
1663 yes ) HAVE_MENUS=yes ;;
1666 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1667 # Assume not, until told otherwise.
1671 [whether malloc is Doug Lea style],
1672 [emacs_cv_var_doug_lea_malloc],
1675 [[#include <malloc.h>
1676 static void hook (void) {}]],
1677 [[malloc_set_state (malloc_get_state ());
1678 __after_morecore_hook = hook;
1679 __malloc_initialize_hook = hook;]])],
1680 [emacs_cv_var_doug_lea_malloc=yes],
1681 [emacs_cv_var_doug_lea_malloc=no])])
1682 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1685 dnl See comments in aix4-2.h about maybe using system malloc there.
1688 ## darwin ld insists on the use of malloc routines in the System framework.
1689 darwin|sol2-10) system_malloc=yes ;;
1692 if test "${system_malloc}" = "yes"; then
1693 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1696 (The GNU allocators don't work with this system configuration.)"
1700 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1701 VMLIMIT_OBJ=vm-limit.o
1703 AC_SUBST(GMALLOC_OBJ)
1704 AC_SUBST(VMLIMIT_OBJ)
1706 if test "$doug_lea_malloc" = "yes" ; then
1707 if test "$GNU_MALLOC" = yes ; then
1709 (Using Doug Lea's new malloc from the GNU C Library.)"
1711 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1712 [Define to 1 if you are using the GNU C Library.])
1714 ## Use mmap directly for allocating larger buffers.
1715 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1716 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1717 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1719 gnu*) REL_ALLOC=no ;;
1723 if test x"${REL_ALLOC}" = x; then
1724 REL_ALLOC=${GNU_MALLOC}
1727 use_mmap_for_buffers=no
1729 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1733 if test $use_mmap_for_buffers = yes; then
1734 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1738 LIBS="$LIBS_SYSTEM $LIBS"
1740 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1741 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1742 AC_CHECK_LIB(dnet, dnet_ntoa)
1743 dnl This causes -lresolv to get used in subsequent tests,
1744 dnl which causes failures on some systems such as HPUX 9.
1745 dnl AC_CHECK_LIB(resolv, gethostbyname)
1747 dnl FIXME replace main with a function we actually want from this library.
1748 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1750 dnl Check if pthreads is available.
1752 AC_CHECK_HEADERS(pthread.h)
1753 if test "$ac_cv_header_pthread_h"; then
1754 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1755 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1756 dnl testing for pthread_self if Emacs uses gmalloc.c.
1757 if test "$GMALLOC_OBJ" = gmalloc.o; then
1758 emacs_pthread_function=pthread_atfork
1760 emacs_pthread_function=pthread_self
1762 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1764 if test "$HAVE_PTHREAD" = yes; then
1765 case "${canonical}" in
1767 *) LIB_PTHREAD="-lpthread"
1768 LIBS="$LIB_PTHREAD $LIBS" ;;
1770 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1772 AC_SUBST([LIB_PTHREAD])
1774 AC_CHECK_LIB(pthreads, cma_open)
1776 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1777 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1778 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1779 ## added to LIBS in configure would never contain the pthreads part,
1780 ## but the value used in Makefiles might. FIXME?
1782 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1783 ## be harmless on older versions of X where it happens to exist.
1784 test "$opsys" = "aix4-2" && \
1785 test $ac_cv_lib_pthreads_cma_open = yes && \
1786 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1788 dnl Check for need for bigtoc support on IBM AIX
1792 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1794 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1795 *) gdb_cv_bigtoc=-bbigtoc ;;
1798 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1799 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1804 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1805 # used for the tests that follow. We set them back to REAL_CFLAGS and
1806 # REAL_CPPFLAGS later on.
1808 REAL_CFLAGS="$CFLAGS"
1809 REAL_CPPFLAGS="$CPPFLAGS"
1811 if test "${HAVE_X11}" = "yes"; then
1812 DEFS="$C_SWITCH_X_SITE $DEFS"
1813 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1815 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1816 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1818 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1819 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1820 # but it's more convenient here to set LD_RUN_PATH since this
1821 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1822 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1823 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1827 if test "${opsys}" = "gnu-linux"; then
1828 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1829 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1830 [[XOpenDisplay ("foo");]])],
1831 [xgnu_linux_first_failure=no],
1832 [xgnu_linux_first_failure=yes])
1833 if test "${xgnu_linux_first_failure}" = "yes"; then
1834 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1835 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1836 OLD_CPPFLAGS="$CPPFLAGS"
1838 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1839 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1840 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1841 LIBS="$LIBS -b i486-linuxaout"
1842 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1843 [[XOpenDisplay ("foo");]])],
1844 [xgnu_linux_second_failure=no],
1845 [xgnu_linux_second_failure=yes])
1846 if test "${xgnu_linux_second_failure}" = "yes"; then
1847 # If we get the same failure with -b, there is no use adding -b.
1848 # So take it out. This plays safe.
1849 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1850 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1851 CPPFLAGS="$OLD_CPPFLAGS"
1862 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1863 # header files included from there.
1864 AC_MSG_CHECKING(for Xkb)
1865 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1866 #include <X11/XKBlib.h>]],
1867 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1868 emacs_xkb=yes, emacs_xkb=no)
1869 AC_MSG_RESULT($emacs_xkb)
1870 if test $emacs_xkb = yes; then
1871 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1874 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1875 XScreenNumberOfScreen)
1878 if test "${window_system}" = "x11"; then
1879 AC_MSG_CHECKING(X11 version 6)
1880 AC_CACHE_VAL(emacs_cv_x11_version_6,
1881 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1882 [[#if XlibSpecificationRelease < 6
1885 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1886 if test $emacs_cv_x11_version_6 = yes; then
1887 AC_MSG_RESULT(6 or newer)
1888 AC_DEFINE(HAVE_X11R6, 1,
1889 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1890 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1891 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1895 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1896 [Define if you have usable X11R6-style XIM support.])
1900 AC_MSG_RESULT(before 6)
1905 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1907 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1908 if test "${with_rsvg}" != "no"; then
1909 RSVG_REQUIRED=2.11.0
1910 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1912 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1913 AC_SUBST(RSVG_CFLAGS)
1916 if test $HAVE_RSVG = yes; then
1917 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1918 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1919 LIBS="$RSVG_LIBS $LIBS"
1925 if test "${HAVE_X11}" = "yes"; then
1926 if test "${with_imagemagick}" != "no"; then
1927 ## 6.2.8 is the earliest version known to work, but earlier versions
1928 ## might work - let us know if you find one.
1929 ## 6.0.7 does not work. See bug#7955.
1930 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1931 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1932 AC_SUBST(IMAGEMAGICK_CFLAGS)
1933 AC_SUBST(IMAGEMAGICK_LIBS)
1935 if test $HAVE_IMAGEMAGICK = yes; then
1936 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1937 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1938 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1939 AC_CHECK_FUNCS(MagickExportImagePixels)
1947 if test "${with_gtk3}" = "yes"; then
1950 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1952 dnl Checks for libraries.
1953 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1954 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1955 AC_MSG_ERROR($GTK_PKG_ERRORS)
1957 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1958 GTK_OBJ=emacsgtkfixed.o
1961 if test "$pkg_check_gtk" != "yes"; then
1963 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1966 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1968 dnl Checks for libraries.
1969 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1970 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1971 AC_MSG_ERROR($GTK_PKG_ERRORS)
1976 if test x"$pkg_check_gtk" = xyes; then
1978 AC_SUBST(GTK_CFLAGS)
1980 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1981 CFLAGS="$CFLAGS $GTK_CFLAGS"
1982 LIBS="$GTK_LIBS $LIBS"
1983 dnl Try to compile a simple GTK program.
1985 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1986 if test "${GTK_COMPILES}" != "yes"; then
1987 if test "$USE_X_TOOLKIT" != "maybe"; then
1988 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1992 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1993 GTK_OBJ="gtkutil.o $GTK_OBJ"
1995 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1998 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1999 closing open displays. This is no problem if you just use
2000 one display, but if you use more than one and close one of them
2010 if test "${HAVE_GTK}" = "yes"; then
2012 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2013 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2014 if test "$with_toolkit_scroll_bars" != no; then
2015 with_toolkit_scroll_bars=yes
2018 dnl Check if we have the old file selection dialog declared and
2019 dnl in the link library. In 2.x it may be in the library,
2020 dnl but not declared if deprecated featured has been selected out.
2021 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2022 HAVE_GTK_FILE_SELECTION=no
2023 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2024 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2025 #include <gtk/gtk.h>])
2026 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2027 AC_CHECK_FUNCS(gtk_file_selection_new)
2031 dnl Check for functions introduced in 2.14 and later.
2032 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2033 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2034 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2035 gtk_orientable_set_orientation \
2036 gtk_window_set_has_resize_grip)
2039 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2040 dnl other platforms.
2043 if test "${with_dbus}" = "yes"; then
2044 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2045 if test "$HAVE_DBUS" = yes; then
2046 LIBS="$LIBS $DBUS_LIBS"
2047 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2048 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2049 dnl dbus_validate_* have been introduced in D-Bus 1.5.12.
2050 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2051 dbus_validate_bus_name \
2052 dbus_validate_path \
2053 dbus_validate_interface \
2054 dbus_validate_member)
2060 dnl GSettings has been tested under GNU/Linux only.
2062 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2063 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2064 if test "$HAVE_GSETTINGS" = "yes"; then
2065 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2066 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2067 SETTINGS_LIBS="$GSETTINGS_LIBS"
2071 dnl GConf has been tested under GNU/Linux only.
2072 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2074 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2075 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2076 if test "$HAVE_GCONF" = yes; then
2077 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2078 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2079 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2080 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2084 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2085 SAVE_CFLAGS="$CFLAGS"
2087 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2088 LIBS="$SETTINGS_LIBS $LIBS"
2089 AC_CHECK_FUNCS([g_type_init])
2090 CFLAGS="$SAVE_CFLAGS"
2093 AC_SUBST(SETTINGS_CFLAGS)
2094 AC_SUBST(SETTINGS_LIBS)
2097 dnl SELinux is available for GNU/Linux only.
2100 if test "${with_selinux}" = "yes"; then
2101 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2102 if test "$HAVE_LIBSELINUX" = yes; then
2103 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2104 LIBSELINUX_LIBS=-lselinux
2107 AC_SUBST(LIBSELINUX_LIBS)
2110 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2111 if test "${with_gnutls}" = "yes" ; then
2112 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2113 if test "${HAVE_GNUTLS}" = "yes"; then
2114 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2117 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2118 LIBS="$LIBGNUTLS_LIBS $LIBS"
2119 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2121 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2122 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2126 AC_SUBST(LIBGNUTLS_LIBS)
2127 AC_SUBST(LIBGNUTLS_CFLAGS)
2129 dnl Do not put whitespace before the #include statements below.
2130 dnl Older compilers (eg sunos4 cc) choke on it.
2133 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2134 if test "$with_xaw3d" != no; then
2135 AC_MSG_CHECKING(for xaw3d)
2136 AC_CACHE_VAL(emacs_cv_xaw3d,
2137 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2138 #include <X11/Intrinsic.h>
2139 #include <X11/Xaw3d/Simple.h>]],
2141 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2142 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2143 emacs_cv_xaw3d=no)])
2147 if test $emacs_cv_xaw3d = yes; then
2148 AC_MSG_RESULT([yes; using Lucid toolkit])
2152 AC_DEFINE(HAVE_XAW3D, 1,
2153 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2156 AC_MSG_CHECKING(for libXaw)
2157 AC_CACHE_VAL(emacs_cv_xaw,
2158 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2159 #include <X11/Intrinsic.h>
2160 #include <X11/Xaw/Simple.h>]],
2164 if test $emacs_cv_xaw = yes; then
2165 AC_MSG_RESULT([yes; using Lucid toolkit])
2168 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2169 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2171 AC_MSG_ERROR([No X toolkit could be found.
2172 If you are sure you want Emacs compiled without an X toolkit, pass
2174 to configure. Otherwise, install the development libraries for the toolkit
2175 that you want to use (e.g. Gtk+) and re-run configure.])
2180 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2183 if test "${USE_X_TOOLKIT}" != "none"; then
2184 AC_MSG_CHECKING(X11 toolkit version)
2185 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2186 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2187 [[#if XtSpecificationRelease < 6
2190 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2191 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2192 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2193 AC_MSG_RESULT(6 or newer)
2194 AC_DEFINE(HAVE_X11XTR6, 1,
2195 [Define to 1 if you have the X11R6 or newer version of Xt.])
2196 LIBXTR6="-lSM -lICE"
2198 ## Use libw.a along with X11R6 Xt.
2199 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2202 AC_MSG_RESULT(before 6)
2205 dnl If using toolkit, check whether libXmu.a exists.
2206 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2208 if test x$HAVE_X11XTR6 = xyes; then
2209 LIBS="-lXt -lSM -lICE $LIBS"
2213 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2214 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2218 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2219 dnl Why not just test for libxmu in the normal way?
2222 ## These systems don't supply Xmu.
2224 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2229 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2230 if test "${HAVE_X11}" = "yes"; then
2231 if test "${USE_X_TOOLKIT}" != "none"; then
2232 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2237 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2238 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2239 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2240 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2243 Motif version prior to 2.1.
2245 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2246 if test $emacs_cv_motif_version_2_1 = yes; then
2247 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2249 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2250 # We put this in CFLAGS temporarily to precede other -I options
2251 # that might be in CFLAGS temporarily.
2252 # We put this in CPPFLAGS where it precedes the other -I options.
2253 OLD_CPPFLAGS=$CPPFLAGS
2255 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2256 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2257 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2259 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2260 if test $emacs_cv_lesstif = yes; then
2261 # Make sure this -I option remains in CPPFLAGS after it is set
2262 # back to REAL_CPPFLAGS.
2263 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2264 # have those other -I options anyway. Ultimately, having this
2265 # directory ultimately in CPPFLAGS will be enough.
2266 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2267 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2270 CPPFLAGS=$OLD_CPPFLAGS
2273 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2274 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2277 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2278 dnl using Motif or Xaw3d is available, and unless
2279 dnl --with-toolkit-scroll-bars=no was specified.
2281 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2282 [Define to 1 if we should use toolkit scroll bars.])dnl
2283 USE_TOOLKIT_SCROLL_BARS=no
2284 if test "${with_toolkit_scroll_bars}" != "no"; then
2285 if test "${USE_X_TOOLKIT}" != "none"; then
2286 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2287 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2289 USE_TOOLKIT_SCROLL_BARS=yes
2290 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2291 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2292 USE_TOOLKIT_SCROLL_BARS=yes
2294 elif test "${HAVE_GTK}" = "yes"; then
2295 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2296 USE_TOOLKIT_SCROLL_BARS=yes
2297 elif test "${HAVE_NS}" = "yes"; then
2298 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2299 USE_TOOLKIT_SCROLL_BARS=yes
2303 dnl See if XIM is available.
2304 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2305 #include <X11/Xlib.h>
2306 #include <X11/Xresource.h>]],
2307 [[XIMProc callback;]])],
2309 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2312 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2314 if test "${with_xim}" != "no"; then
2315 AC_DEFINE(USE_XIM, 1,
2316 [Define to 1 if we should use XIM, if it is available.])
2320 if test "${HAVE_XIM}" != "no"; then
2322 if test "$GCC" = yes; then
2323 CFLAGS="$CFLAGS --pedantic-errors"
2325 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2326 #include <X11/Xlib.h>
2327 #include <X11/Xresource.h>]],
2333 XPointer *client_data;
2335 /* If we're not using GCC, it's probably not XFree86, and this is
2336 probably right, but we can't use something like --pedantic-errors. */
2337 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2338 char*, XIMProc, XPointer*);
2340 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2342 [emacs_cv_arg6_star=yes])
2343 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2344 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2345 either XPointer or XPointer*.])dnl
2346 if test "$emacs_cv_arg6_star" = yes; then
2347 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2349 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2354 ### Start of font-backend (under any platform) section.
2355 # (nothing here yet -- this is a placeholder)
2356 ### End of font-backend (under any platform) section.
2358 ### Start of font-backend (under X11) section.
2359 if test "${HAVE_X11}" = "yes"; then
2360 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2362 ## Use -lXft if available, unless `--with-xft=no'.
2364 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2367 if test "x${with_xft}" != "xno"; then
2369 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2370 ## Because xftfont.c uses XRenderQueryExtension, we also
2371 ## need to link to -lXrender.
2373 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2374 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2375 OLD_CPPFLAGS="$CPPFLAGS"
2376 OLD_CFLAGS="$CFLAGS"
2378 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2379 CFLAGS="$CFLAGS $XFT_CFLAGS"
2380 XFT_LIBS="-lXrender $XFT_LIBS"
2381 LIBS="$XFT_LIBS $LIBS"
2382 AC_CHECK_HEADER(X11/Xft/Xft.h,
2383 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2385 if test "${HAVE_XFT}" = "yes"; then
2386 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2388 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2390 CPPFLAGS="$OLD_CPPFLAGS"
2391 CFLAGS="$OLD_CFLAGS"
2393 fi # "${HAVE_XFT}" = "yes"
2394 fi # "$HAVE_XFT" != no
2395 fi # "x${with_xft}" != "xno"
2397 ## We used to allow building with FreeType and without Xft.
2398 ## However, the ftx font backend driver is not in good shape.
2399 if test "$HAVE_XFT" != "yes"; then
2400 dnl For the "Does Emacs use" message at the end.
2404 dnl Strict linkers fail with
2405 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2406 dnl if -lfreetype is not specified.
2407 dnl The following is needed to set FREETYPE_LIBS.
2408 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2411 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2415 if test "${HAVE_FREETYPE}" = "yes"; then
2416 AC_DEFINE(HAVE_FREETYPE, 1,
2417 [Define to 1 if using the freetype and fontconfig libraries.])
2418 if test "${with_libotf}" != "no"; then
2419 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2421 if test "$HAVE_LIBOTF" = "yes"; then
2422 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2423 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2424 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2425 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2426 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2427 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2428 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2432 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2433 dnl Does the new font backend require it, or can it work without it?
2437 if test "${HAVE_LIBOTF}" = yes; then
2438 if test "${with_m17n_flt}" != "no"; then
2439 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2440 if test "$HAVE_M17N_FLT" = "yes"; then
2441 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2452 ### End of font-backend (under X11) section.
2454 AC_SUBST(FREETYPE_CFLAGS)
2455 AC_SUBST(FREETYPE_LIBS)
2456 AC_SUBST(FONTCONFIG_CFLAGS)
2457 AC_SUBST(FONTCONFIG_LIBS)
2458 AC_SUBST(LIBOTF_CFLAGS)
2459 AC_SUBST(LIBOTF_LIBS)
2460 AC_SUBST(M17N_FLT_CFLAGS)
2461 AC_SUBST(M17N_FLT_LIBS)
2463 ### Use -lXpm if available, unless `--with-xpm=no'.
2466 if test "${HAVE_X11}" = "yes"; then
2467 if test "${with_xpm}" != "no"; then
2468 AC_CHECK_HEADER(X11/xpm.h,
2469 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2470 if test "${HAVE_XPM}" = "yes"; then
2471 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2472 AC_EGREP_CPP(no_return_alloc_pixels,
2473 [#include "X11/xpm.h"
2474 #ifndef XpmReturnAllocPixels
2475 no_return_alloc_pixels
2477 ], HAVE_XPM=no, HAVE_XPM=yes)
2479 if test "${HAVE_XPM}" = "yes"; then
2487 if test "${HAVE_XPM}" = "yes"; then
2488 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2494 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2497 if test "${HAVE_X11}" = "yes"; then
2498 if test "${with_jpeg}" != "no"; then
2499 dnl Checking for jpeglib.h can lose because of a redefinition of
2501 AC_CHECK_HEADER(jerror.h,
2502 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2505 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2506 if test "${HAVE_JPEG}" = "yes"; then
2507 AC_DEFINE(HAVE_JPEG)
2508 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2509 [#include <jpeglib.h>
2510 version=JPEG_LIB_VERSION
2512 [AC_DEFINE(HAVE_JPEG)],
2513 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2516 if test "${HAVE_JPEG}" = "yes"; then
2522 ### Use -lpng if available, unless `--with-png=no'.
2525 if test "${HAVE_X11}" = "yes"; then
2526 if test "${with_png}" != "no"; then
2527 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2528 # in /usr/include/libpng.
2529 AC_CHECK_HEADERS(png.h libpng/png.h)
2530 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2531 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2535 if test "${HAVE_PNG}" = "yes"; then
2536 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2537 LIBPNG="-lpng -lz -lm"
2542 ### Use -ltiff if available, unless `--with-tiff=no'.
2545 if test "${HAVE_X11}" = "yes"; then
2546 if test "${with_tiff}" != "no"; then
2547 AC_CHECK_HEADER(tiffio.h,
2549 # At least one tiff package requires the jpeg library.
2550 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2551 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2554 if test "${HAVE_TIFF}" = "yes"; then
2555 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2556 dnl FIXME -lz -lm, as per libpng?
2562 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2565 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2566 AC_CHECK_HEADER(gif_lib.h,
2567 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2568 # Earlier versions can crash Emacs.
2569 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2571 if test "$HAVE_GIF" = yes; then
2573 elif test "$HAVE_GIF" = maybe; then
2574 # If gif_lib.h but no libgif, try libungif.
2575 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2576 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2579 if test "${HAVE_GIF}" = "yes"; then
2580 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2585 dnl Check for required libraries.
2586 if test "${HAVE_X11}" = "yes"; then
2589 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2590 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2591 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2592 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2593 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2594 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2595 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2596 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2597 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2598 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2600 if test "X${MISSING}" != X; then
2601 AC_MSG_ERROR([The following required libraries were not found:
2603 Maybe some development libraries/packages are missing?
2604 If you don't want to link with them give
2606 as options to configure])
2610 ### Use -lgpm if available, unless `--with-gpm=no'.
2613 if test "${with_gpm}" != "no"; then
2614 AC_CHECK_HEADER(gpm.h,
2615 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2617 if test "${HAVE_GPM}" = "yes"; then
2618 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2624 dnl Check for malloc/malloc.h on darwin
2625 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.])])
2628 ### Use NeXTstep API to implement GUI.
2629 if test "${HAVE_NS}" = "yes"; then
2630 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2631 if test "${NS_IMPL_COCOA}" = "yes"; then
2632 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2634 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2635 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2636 # See also .m.o rule in Makefile.in */
2637 # FIXME: are all these flags really needed? Document here why. */
2638 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2639 ## Extra CFLAGS applied to src/*.m files.
2640 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2642 # We also have mouse menus.
2648 ### Use session management (-lSM -lICE) if available
2651 if test "${HAVE_X11}" = "yes"; then
2652 AC_CHECK_HEADER(X11/SM/SMlib.h,
2653 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2655 if test "${HAVE_X_SM}" = "yes"; then
2656 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2660 *) LIBS="$LIBXSM $LIBS" ;;
2666 ### Use libxml (-lxml2) if available
2668 if test "${with_xml2}" != "no"; then
2669 ### I'm not sure what the version number should be, so I just guessed.
2670 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2671 if test "${HAVE_LIBXML2}" = "yes"; then
2672 LIBS="$LIBXML2_LIBS $LIBS"
2673 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2674 if test "${HAVE_LIBXML2}" = "yes"; then
2675 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2682 AC_SUBST(LIBXML2_LIBS)
2683 AC_SUBST(LIBXML2_CFLAGS)
2685 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2686 AC_CACHE_CHECK(whether netdb declares h_errno,
2687 emacs_cv_netdb_declares_h_errno,
2688 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2689 [[return h_errno;]])],
2690 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2691 if test $emacs_cv_netdb_declares_h_errno = yes; then
2692 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2695 # fmod, logb, and frexp are found in -lm on most systems.
2696 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2697 AC_CHECK_LIB(m, sqrt)
2699 # Check for mail-locking functions in a "mail" library. Probably this should
2700 # have the same check as for liblockfile below.
2701 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2702 if test $have_mail = yes; then
2704 LIBS="$LIBS_MAIL $LIBS"
2705 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2709 dnl Debian, at least:
2710 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2711 if test $have_lockfile = yes; then
2712 LIBS_MAIL=-llockfile
2713 LIBS="$LIBS_MAIL $LIBS"
2714 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2716 # If we have the shared liblockfile, assume we must use it for mail
2717 # locking (e.g. Debian). If we couldn't link against liblockfile
2718 # (no liblockfile.a installed), ensure that we don't need to.
2719 dnl This works for files generally, not just executables.
2720 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2721 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2722 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2723 if test $ac_cv_prog_liblockfile = yes; then
2724 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2725 This probably means that movemail could lose mail.
2726 There may be a `development' package to install containing liblockfile.])
2729 AC_CHECK_FUNCS(touchlock)
2730 AC_CHECK_HEADERS(maillock.h)
2733 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2734 ## interlock access to the mail spool. The alternative is a lock file named
2735 ## /usr/spool/mail/$USER.lock.
2738 aix4-2) mail_lock="lockf" ;;
2740 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2742 ## On GNU/Linux systems, both methods are used by various mail programs.
2743 ## I assume most people are using newer mailers that have heard of flock.
2744 ## Change this if you need to.
2745 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2746 ## configure gets the right answers, and that means *NOT* using flock.
2747 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2748 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2749 ## Debian maintainer hasn't provided a clean fix for Emacs.
2750 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2751 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2752 ## correct logic. -- fx
2753 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2754 ## liblockfile is a Free Software replacement for libmail, used on
2755 ## Debian systems and elsewhere. -rfr.
2758 if test $have_mail = yes || test $have_lockfile = yes; then
2759 test $ac_cv_header_maillock_h = yes && mail_lock=no
2765 case "$mail_lock" in
2766 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2768 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2770 *) BLESSMAIL_TARGET="need-blessmail" ;;
2772 AC_SUBST(BLESSMAIL_TARGET)
2775 AC_CHECK_FUNCS(gethostname \
2776 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2777 random lrand48 logb frexp fmod rint cbrt setsid \
2778 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2779 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2780 __fpending strsignal setitimer \
2781 sendto recvfrom getsockname getpeername \
2782 gai_strerror mkstemp getline getdelim fsync sync \
2783 difftime posix_memalign \
2784 getpwent endpwent getgrent endgrent \
2785 cfmakeraw cfsetspeed copysign __executable_start)
2787 dnl Cannot use AC_CHECK_FUNCS
2788 AC_CACHE_CHECK([for __builtin_unwind_init],
2789 emacs_cv_func___builtin_unwind_init,
2790 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2791 emacs_cv_func___builtin_unwind_init=yes,
2792 emacs_cv_func___builtin_unwind_init=no)])
2793 if test $emacs_cv_func___builtin_unwind_init = yes; then
2794 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2795 [Define to 1 if you have the `__builtin_unwind_init' function.])
2798 AC_CHECK_HEADERS(sys/un.h)
2805 AC_CHECK_FUNCS(grantpt)
2807 # PTY-related GNU extensions.
2808 AC_CHECK_FUNCS(getpt)
2810 # Check this now, so that we will NOT find the above functions in ncurses.
2811 # That is because we have not set up to link ncurses in lib-src.
2812 # It's better to believe a function is not available
2813 # than to expect to find it in ncurses.
2814 # Also we need tputs and friends to be able to build at all.
2815 AC_MSG_CHECKING([for library containing tputs])
2816 # Run a test program that contains a call to tputs, a call that is
2817 # never executed. This tests whether a pre-'main' dynamic linker
2818 # works with the library. It's too much trouble to actually call
2819 # tputs in the test program, due to portability hassles. When
2820 # cross-compiling, assume the test program will run if it links.
2821 AC_DEFUN([tputs_link_source], [
2823 [[extern void tputs (const char *, int, int (*)(int));
2824 int main (int argc, char **argv)
2827 tputs (argv[0], 0, 0);
2831 # Maybe curses should be tried earlier?
2832 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2833 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2835 if test -z "$tputs_library"; then
2839 LIBS_TERMCAP=-l$tputs_library
2841 LIBS="$LIBS_TERMCAP $LIBS"
2843 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2844 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2846 if test "X$msg" != Xno; then
2850 AC_MSG_RESULT([$msg])
2851 if test "X$msg" = Xno; then
2852 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2853 The following libraries were tried (in order):
2854 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2855 Please try installing whichever of these libraries is most appropriate
2856 for your system, together with its header files.
2857 For example, a libncurses-dev(el) or similar package.])
2860 ## Use termcap instead of terminfo?
2861 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2863 ## FIXME? In the cases below where we unconditionally set
2864 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2865 ## if that was found above to have tputs.
2866 ## Should we use the gnu* logic everywhere?
2868 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2869 ## The ncurses library has been moved out of the System framework in
2870 ## Mac OS X 10.2. So if configure detects it, set the command-line
2871 ## option to use it.
2872 darwin) LIBS_TERMCAP="-lncurses" ;;
2874 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2877 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2878 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2879 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2880 [[#if __FreeBSD_version < 400000
2883 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2885 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2887 if test $emacs_cv_freebsd_terminfo = yes; then
2888 LIBS_TERMCAP="-lncurses"
2891 LIBS_TERMCAP="-ltermcap"
2896 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2898 LIBS_TERMCAP="-ltermcap"
2902 openbsd) LIBS_TERMCAP="-lncurses" ;;
2904 ## hpux: Make sure we get select from libc rather than from libcurses
2905 ## because libcurses on HPUX 10.10 has a broken version of select.
2906 ## We used to use -lc -lcurses, but this may be cleaner.
2907 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2908 # set that way, now it uses the default). Isn't this a contradiction?
2909 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2913 TERMCAP_OBJ=tparam.o
2914 if test $TERMINFO = yes; then
2915 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2916 TERMCAP_OBJ=terminfo.o
2918 AC_SUBST(LIBS_TERMCAP)
2919 AC_SUBST(TERMCAP_OBJ)
2922 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2924 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2925 #include <arpa/nameser.h>
2926 #include <resolv.h>]],
2927 [[return res_init();]])],
2928 have_res_init=yes, have_res_init=no)
2929 if test "$have_res_init" = no; then
2931 LIBS="$LIBS -lresolv"
2932 AC_MSG_CHECKING(for res_init with -lresolv)
2933 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2934 #include <arpa/nameser.h>
2935 #include <resolv.h>]],
2936 [[return res_init();]])],
2937 have_res_init=yes, have_res_init=no)
2938 AC_MSG_RESULT($have_res_init)
2939 if test "$have_res_init" = yes ; then
2945 if test "$have_res_init" = yes; then
2946 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2949 # Do we need the Hesiod library to provide the support routines?
2951 if test "$with_hesiod" != no ; then
2952 # Don't set $LIBS here -- see comments above. FIXME which comments?
2953 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2954 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2955 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2956 if test "$resolv" = yes ; then
2961 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2962 hesiod=yes, :, $RESOLVLIB)])
2964 if test x"$hesiod" = xyes; then
2965 AC_DEFINE(HAVE_LIBHESIOD, 1,
2966 [Define to 1 if you have the hesiod library (-lhesiod).])
2972 # Do we need libresolv (due to res_init or Hesiod)?
2973 if test "$resolv" = yes ; then
2974 AC_DEFINE(HAVE_LIBRESOLV, 1,
2975 [Define to 1 if you have the resolv library (-lresolv).])
2982 # These tell us which Kerberos-related libraries to use.
2989 if test "${with_kerberos}" != no; then
2990 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2991 if test $have_com_err = yes; then
2992 COM_ERRLIB=-lcom_err
2993 LIBS="$COM_ERRLIB $LIBS"
2994 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2996 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2997 if test $have_crypto = yes; then
2999 LIBS="$CRYPTOLIB $LIBS"
3000 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3002 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3003 if test $have_k5crypto = yes; then
3004 CRYPTOLIB=-lk5crypto
3005 LIBS="$CRYPTOLIB $LIBS"
3006 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3008 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3009 if test $have_krb5=yes; then
3011 LIBS="$KRB5LIB $LIBS"
3012 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3014 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3015 if test "${with_kerberos5}" = no; then
3016 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3017 if test $have_des425 = yes; then
3019 LIBS="$DESLIB $LIBS"
3020 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3022 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3023 if test $have_des = yes; then
3025 LIBS="$DESLIB $LIBS"
3026 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3029 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3030 if test $have_krb4 = yes; then
3032 LIBS="$KRB4LIB $LIBS"
3033 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3035 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3036 if test $have_krb = yes; then
3038 LIBS="$KRB4LIB $LIBS"
3039 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3044 if test "${with_kerberos5}" != no; then
3045 AC_CHECK_HEADERS(krb5.h,
3046 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3047 [#include <krb5.h>])])
3049 AC_CHECK_HEADERS(des.h,,
3050 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3051 [AC_CHECK_HEADERS(kerberos/des.h)])])
3052 AC_CHECK_HEADERS(krb.h,,
3053 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3054 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3056 AC_CHECK_HEADERS(com_err.h)
3059 AC_SUBST(COM_ERRLIB)
3065 AC_MSG_CHECKING(whether localtime caches TZ)
3066 AC_CACHE_VAL(emacs_cv_localtime_cache,
3067 [if test x$ac_cv_func_tzset = xyes; then
3068 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3069 char TZ_GMT0[] = "TZ=GMT0";
3070 char TZ_PST8[] = "TZ=PST8";
3073 time_t now = time ((time_t *) 0);
3074 int hour_GMT0, hour_unset;
3075 if (putenv (TZ_GMT0) != 0)
3077 hour_GMT0 = localtime (&now)->tm_hour;
3079 hour_unset = localtime (&now)->tm_hour;
3080 if (putenv (TZ_PST8) != 0)
3082 if (localtime (&now)->tm_hour == hour_GMT0)
3085 if (localtime (&now)->tm_hour != hour_unset)
3088 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3089 [# If we have tzset, assume the worst when cross-compiling.
3090 emacs_cv_localtime_cache=yes])
3092 # If we lack tzset, report that localtime does not cache TZ,
3093 # since we can't invalidate the cache if we don't have tzset.
3094 emacs_cv_localtime_cache=no
3096 AC_MSG_RESULT($emacs_cv_localtime_cache)
3097 if test $emacs_cv_localtime_cache = yes; then
3098 AC_DEFINE(LOCALTIME_CACHE, 1,
3099 [Define to 1 if localtime caches TZ.])
3102 if test "x$HAVE_TIMEVAL" = xyes; then
3103 AC_CHECK_FUNCS(gettimeofday)
3104 if test $ac_cv_func_gettimeofday = yes; then
3105 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3106 emacs_cv_gettimeofday_two_arguments,
3107 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3108 #ifdef TIME_WITH_SYS_TIME
3109 #include <sys/time.h>
3112 #ifdef HAVE_SYS_TIME_H
3113 #include <sys/time.h>
3118 [[struct timeval time;
3119 gettimeofday (&time, 0);]])],
3120 emacs_cv_gettimeofday_two_arguments=yes,
3121 emacs_cv_gettimeofday_two_arguments=no)])
3122 if test $emacs_cv_gettimeofday_two_arguments = no; then
3123 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3124 [Define to 1 if gettimeofday accepts only one argument.])
3130 AC_CHECK_FUNC(socket, , ok_so_far=no)
3131 if test $ok_so_far = yes; then
3132 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3134 if test $ok_so_far = yes; then
3135 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3137 if test $ok_so_far = yes; then
3138 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3139 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3140 [Define to 1 if you have inet sockets.])
3143 if test -f /usr/lpp/X11/bin/smt.exp; then
3144 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3145 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3148 AC_MSG_CHECKING(whether system supports dynamic ptys)
3149 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3151 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3158 AC_CHECK_FUNCS(snprintf)
3160 dnl Adapted from Haible's version.
3161 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3162 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3163 [[char* cs = nl_langinfo(CODESET);]])],
3164 emacs_cv_langinfo_codeset=yes,
3165 emacs_cv_langinfo_codeset=no)
3167 if test $emacs_cv_langinfo_codeset = yes; then
3168 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3169 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3174 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3175 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3176 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3177 if test "$emacs_cv_c_restrict_arr" = yes; then
3178 AC_DEFINE(__restrict_arr, __restrict,
3179 [Define to compiler's equivalent of C99 restrict keyword in array
3180 declarations. Define as empty for no equivalent.])
3183 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3184 dnl how the tty code is related to POSIX and/or other versions of termios.
3185 dnl The following looks like a useful start.
3187 dnl AC_SYS_POSIX_TERMIOS
3188 dnl if test $ac_cv_sys_posix_termios = yes; then
3189 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3190 dnl and macros for terminal control.])
3191 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3194 # Set up the CFLAGS for real compilation, so we can substitute it.
3195 CFLAGS="$REAL_CFLAGS"
3196 CPPFLAGS="$REAL_CPPFLAGS"
3198 ## Hack to detect a buggy GCC version.
3199 if test "x$GCC" = xyes \
3200 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3201 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3202 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3203 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3206 version=$PACKAGE_VERSION
3208 ### Specify what sort of things we'll be editing into Makefile and config.h.
3209 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3211 AC_SUBST(configuration)
3216 AC_SUBST(exec_prefix)
3219 AC_SUBST(sharedstatedir)
3220 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