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 Check for endianness.
1361 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1362 [emacs_cv_attribute_aligned],
1365 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1367 [emacs_cv_attribute_aligned=yes],
1368 [emacs_cv_attribute_aligned=no])])
1369 if test $emacs_cv_attribute_aligned = yes; then
1370 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1371 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1374 dnl check for Make feature
1380 dnl check for GNU Make if we have GCC and autodepend is on.
1381 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1382 AC_MSG_CHECKING([whether we are using GNU Make])
1384 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1385 if test "x$testval" != x; then
1388 ac_enable_autodepend=no
1390 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1391 if test $HAVE_GNU_MAKE = yes; then
1392 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1393 SAVE_CFLAGS="$CFLAGS"
1394 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1395 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1396 CFLAGS="$SAVE_CFLAGS"
1397 test -f deps.d || ac_enable_autodepend=no
1399 AC_MSG_RESULT([$ac_enable_autodepend])
1401 if test $ac_enable_autodepend = yes; then
1402 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1403 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1404 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1405 deps_frag=autodeps.mk
1408 deps_frag=$srcdir/src/$deps_frag
1411 AC_SUBST_FILE(deps_frag)
1414 lisp_frag=$srcdir/src/lisp.mk
1415 AC_SUBST_FILE(lisp_frag)
1418 dnl checks for operating system services
1419 AC_SYS_LONG_FILE_NAMES
1421 #### Choose a window system.
1424 if test "$no_x" = yes; then
1430 LD_SWITCH_X_SITE_RPATH=
1431 if test "${x_libraries}" != NONE; then
1432 if test -n "${x_libraries}"; then
1433 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1434 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1436 x_default_search_path=""
1437 x_search_path=${x_libraries}
1438 if test -z "${x_search_path}"; then
1439 x_search_path=/usr/lib
1441 for x_library in `echo ${x_search_path}: | \
1442 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1444 ${x_library}/X11/%L/%T/%N%C%S:\
1445 ${x_library}/X11/%l/%T/%N%C%S:\
1446 ${x_library}/X11/%T/%N%C%S:\
1447 ${x_library}/X11/%L/%T/%N%S:\
1448 ${x_library}/X11/%l/%T/%N%S:\
1449 ${x_library}/X11/%T/%N%S"
1450 if test x"${x_default_search_path}" = x; then
1451 x_default_search_path=${x_search_path}
1453 x_default_search_path="${x_search_path}:${x_default_search_path}"
1457 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1459 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1460 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1463 if test x"${x_includes}" = x; then
1464 bitmapdir=/usr/include/X11/bitmaps
1466 # accumulate include directories that have X11 bitmap subdirectories
1468 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1469 if test -d "${bmd}/X11/bitmaps"; then
1470 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1472 if test -d "${bmd}/bitmaps"; then
1473 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1476 if test ${bmd_acc} != "dummyval"; then
1477 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1484 tmp_CPPFLAGS="$CPPFLAGS"
1485 tmp_CFLAGS="$CFLAGS"
1486 CPPFLAGS="$CPPFLAGS -x objective-c"
1487 CFLAGS="$CFLAGS -x objective-c"
1488 TEMACS_LDFLAGS2="\${LDFLAGS}"
1490 if test "${with_ns}" != no; then
1491 if test "${opsys}" = darwin; then
1493 ns_appdir=`pwd`/nextstep/Emacs.app
1494 ns_appbindir=${ns_appdir}/Contents/MacOS
1495 ns_appresdir=${ns_appdir}/Contents/Resources
1496 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1497 elif test -f $GNUSTEP_CONFIG_FILE; then
1499 ns_appdir=`pwd`/nextstep/Emacs.app
1500 ns_appbindir=${ns_appdir}
1501 ns_appresdir=${ns_appdir}/Resources
1502 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1503 dnl FIXME sourcing this several times in subshells seems inefficient.
1504 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1505 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1506 dnl I seemed to need these as well with GNUstep-startup 0.25.
1507 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1508 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1509 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1510 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1511 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1512 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1513 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1514 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1515 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1519 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1520 dnl If they had chosen to either define it or not, we could have
1521 dnl just used AC_CHECK_DECL here.
1522 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1523 emacs_cv_objc_exceptions,
1524 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1525 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1529 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1530 if test $emacs_cv_objc_exceptions = yes; then
1531 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1532 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1533 [Define if GNUstep uses ObjC exceptions.])
1534 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1538 dnl This is only used while we test the NS headers, it gets reset below.
1539 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1541 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1542 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1543 files are missing or cannot be compiled.])])
1544 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1546 ns_have_nsinteger=yes,
1547 ns_have_nsinteger=no)
1548 if test $ns_have_nsinteger = yes; then
1549 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1552 AC_SUBST(TEMACS_LDFLAGS2)
1554 INSTALL_ARCH_INDEP_EXTRA=install-etc
1555 ns_self_contained=no
1559 if test "${HAVE_NS}" = yes; then
1560 if test "$with_toolkit_scroll_bars" = "no"; then
1561 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1564 window_system=nextstep
1566 # set up packaging dirs
1567 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1568 ns_self_contained=yes
1569 prefix=${ns_appresdir}
1570 exec_prefix=${ns_appbindir}
1571 dnl This one isn't really used, only archlibdir is.
1572 libexecdir="\${ns_appbindir}/libexec"
1573 archlibdir="\${ns_appbindir}/libexec"
1574 docdir="\${ns_appresdir}/etc"
1575 etcdir="\${ns_appresdir}/etc"
1576 dnl FIXME maybe set datarootdir instead.
1577 dnl That would also get applications, icons, man.
1578 infodir="\${ns_appresdir}/info"
1579 mandir="\${ns_appresdir}/man"
1580 lispdir="\${ns_appresdir}/lisp"
1581 leimdir="\${ns_appresdir}/leim"
1582 INSTALL_ARCH_INDEP_EXTRA=
1584 ns_frag=$srcdir/src/ns.mk
1585 NS_OBJ="fontset.o fringe.o image.o"
1586 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1588 CFLAGS="$tmp_CFLAGS"
1589 CPPFLAGS="$tmp_CPPFLAGS"
1590 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1591 AC_SUBST(ns_self_contained)
1593 AC_SUBST(NS_OBJC_OBJ)
1594 AC_SUBST(LIB_STANDARD)
1595 AC_SUBST_FILE(ns_frag)
1597 case "${window_system}" in
1601 case "${with_x_toolkit}" in
1602 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1603 motif ) USE_X_TOOLKIT=MOTIF ;;
1605 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1606 dnl USE_X_TOOLKIT is set.
1607 USE_X_TOOLKIT=none ;;
1608 gtk3 ) with_gtk3=yes
1609 USE_X_TOOLKIT=none ;;
1610 no ) USE_X_TOOLKIT=none ;;
1611 dnl If user did not say whether to use a toolkit, make this decision later:
1612 dnl use the toolkit if we have gtk, or X11R5 or newer.
1613 * ) USE_X_TOOLKIT=maybe ;;
1623 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1624 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1625 if test "$HAVE_XSERVER" = true ||
1626 test -n "$DISPLAY" ||
1627 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1628 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1629 were found. You should install the relevant development files for X
1630 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1631 sure you have development files for image handling, i.e.
1632 tiff, gif, jpeg, png and xpm.
1633 If you are sure you want Emacs compiled without X window support, pass
1639 ### If we're using X11, we should use the X menu package.
1642 yes ) HAVE_MENUS=yes ;;
1645 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1646 # Assume not, until told otherwise.
1650 [whether malloc is Doug Lea style],
1651 [emacs_cv_var_doug_lea_malloc],
1654 [[#include <malloc.h>
1655 static void hook (void) {}]],
1656 [[malloc_set_state (malloc_get_state ());
1657 __after_morecore_hook = hook;
1658 __malloc_initialize_hook = hook;]])],
1659 [emacs_cv_var_doug_lea_malloc=yes],
1660 [emacs_cv_var_doug_lea_malloc=no])])
1661 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1664 dnl See comments in aix4-2.h about maybe using system malloc there.
1667 ## darwin ld insists on the use of malloc routines in the System framework.
1668 darwin|sol2-10) system_malloc=yes ;;
1671 if test "${system_malloc}" = "yes"; then
1672 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1675 (The GNU allocators don't work with this system configuration.)"
1679 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1680 VMLIMIT_OBJ=vm-limit.o
1682 AC_SUBST(GMALLOC_OBJ)
1683 AC_SUBST(VMLIMIT_OBJ)
1685 if test "$doug_lea_malloc" = "yes" ; then
1686 if test "$GNU_MALLOC" = yes ; then
1688 (Using Doug Lea's new malloc from the GNU C Library.)"
1690 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1691 [Define to 1 if you are using the GNU C Library.])
1693 ## Use mmap directly for allocating larger buffers.
1694 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1695 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1696 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1698 gnu*) REL_ALLOC=no ;;
1702 if test x"${REL_ALLOC}" = x; then
1703 REL_ALLOC=${GNU_MALLOC}
1706 use_mmap_for_buffers=no
1708 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1712 if test $use_mmap_for_buffers = yes; then
1713 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1717 LIBS="$LIBS_SYSTEM $LIBS"
1719 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1720 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1721 AC_CHECK_LIB(dnet, dnet_ntoa)
1722 dnl This causes -lresolv to get used in subsequent tests,
1723 dnl which causes failures on some systems such as HPUX 9.
1724 dnl AC_CHECK_LIB(resolv, gethostbyname)
1726 dnl FIXME replace main with a function we actually want from this library.
1727 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1729 dnl Check if pthreads is available.
1731 AC_CHECK_HEADERS(pthread.h)
1732 if test "$ac_cv_header_pthread_h"; then
1733 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1734 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1735 dnl testing for pthread_self if Emacs uses gmalloc.c.
1736 if test "$GMALLOC_OBJ" = gmalloc.o; then
1737 emacs_pthread_function=pthread_atfork
1739 emacs_pthread_function=pthread_self
1741 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1743 if test "$HAVE_PTHREAD" = yes; then
1744 case "${canonical}" in
1746 *) LIB_PTHREAD="-lpthread"
1747 LIBS="$LIB_PTHREAD $LIBS" ;;
1749 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1751 AC_SUBST([LIB_PTHREAD])
1753 AC_CHECK_LIB(pthreads, cma_open)
1755 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1756 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1757 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1758 ## added to LIBS in configure would never contain the pthreads part,
1759 ## but the value used in Makefiles might. FIXME?
1761 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1762 ## be harmless on older versions of X where it happens to exist.
1763 test "$opsys" = "aix4-2" && \
1764 test $ac_cv_lib_pthreads_cma_open = yes && \
1765 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1767 dnl Check for need for bigtoc support on IBM AIX
1771 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1773 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1774 *) gdb_cv_bigtoc=-bbigtoc ;;
1777 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1778 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1783 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1784 # used for the tests that follow. We set them back to REAL_CFLAGS and
1785 # REAL_CPPFLAGS later on.
1787 REAL_CFLAGS="$CFLAGS"
1788 REAL_CPPFLAGS="$CPPFLAGS"
1790 if test "${HAVE_X11}" = "yes"; then
1791 DEFS="$C_SWITCH_X_SITE $DEFS"
1792 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1794 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1795 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1797 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1798 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1799 # but it's more convenient here to set LD_RUN_PATH since this
1800 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1801 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1802 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1806 if test "${opsys}" = "gnu-linux"; then
1807 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1808 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1809 [[XOpenDisplay ("foo");]])],
1810 [xgnu_linux_first_failure=no],
1811 [xgnu_linux_first_failure=yes])
1812 if test "${xgnu_linux_first_failure}" = "yes"; then
1813 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1814 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1815 OLD_CPPFLAGS="$CPPFLAGS"
1817 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1818 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1819 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1820 LIBS="$LIBS -b i486-linuxaout"
1821 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1822 [[XOpenDisplay ("foo");]])],
1823 [xgnu_linux_second_failure=no],
1824 [xgnu_linux_second_failure=yes])
1825 if test "${xgnu_linux_second_failure}" = "yes"; then
1826 # If we get the same failure with -b, there is no use adding -b.
1827 # So take it out. This plays safe.
1828 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1829 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1830 CPPFLAGS="$OLD_CPPFLAGS"
1841 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1842 # header files included from there.
1843 AC_MSG_CHECKING(for Xkb)
1844 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1845 #include <X11/XKBlib.h>]],
1846 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1847 emacs_xkb=yes, emacs_xkb=no)
1848 AC_MSG_RESULT($emacs_xkb)
1849 if test $emacs_xkb = yes; then
1850 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1853 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1854 XScreenNumberOfScreen)
1857 if test "${window_system}" = "x11"; then
1858 AC_MSG_CHECKING(X11 version 6)
1859 AC_CACHE_VAL(emacs_cv_x11_version_6,
1860 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1861 [[#if XlibSpecificationRelease < 6
1864 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1865 if test $emacs_cv_x11_version_6 = yes; then
1866 AC_MSG_RESULT(6 or newer)
1867 AC_DEFINE(HAVE_X11R6, 1,
1868 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1869 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1870 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1874 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1875 [Define if you have usable X11R6-style XIM support.])
1879 AC_MSG_RESULT(before 6)
1884 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1886 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1887 if test "${with_rsvg}" != "no"; then
1888 RSVG_REQUIRED=2.11.0
1889 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1891 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1892 AC_SUBST(RSVG_CFLAGS)
1895 if test $HAVE_RSVG = yes; then
1896 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1897 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1898 LIBS="$RSVG_LIBS $LIBS"
1904 if test "${HAVE_X11}" = "yes"; then
1905 if test "${with_imagemagick}" != "no"; then
1906 ## 6.2.8 is the earliest version known to work, but earlier versions
1907 ## might work - let us know if you find one.
1908 ## 6.0.7 does not work. See bug#7955.
1909 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1910 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1911 AC_SUBST(IMAGEMAGICK_CFLAGS)
1912 AC_SUBST(IMAGEMAGICK_LIBS)
1914 if test $HAVE_IMAGEMAGICK = yes; then
1915 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1916 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1917 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1918 AC_CHECK_FUNCS(MagickExportImagePixels)
1926 if test "${with_gtk3}" = "yes"; then
1929 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1931 dnl Checks for libraries.
1932 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1933 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1934 AC_MSG_ERROR($GTK_PKG_ERRORS)
1936 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1937 GTK_OBJ=emacsgtkfixed.o
1940 if test "$pkg_check_gtk" != "yes"; then
1942 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1945 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1947 dnl Checks for libraries.
1948 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1949 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1950 AC_MSG_ERROR($GTK_PKG_ERRORS)
1955 if test x"$pkg_check_gtk" = xyes; then
1957 AC_SUBST(GTK_CFLAGS)
1959 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1960 CFLAGS="$CFLAGS $GTK_CFLAGS"
1961 LIBS="$GTK_LIBS $LIBS"
1962 dnl Try to compile a simple GTK program.
1964 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1965 if test "${GTK_COMPILES}" != "yes"; then
1966 if test "$USE_X_TOOLKIT" != "maybe"; then
1967 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1971 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1972 GTK_OBJ="gtkutil.o $GTK_OBJ"
1974 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1977 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1978 closing open displays. This is no problem if you just use
1979 one display, but if you use more than one and close one of them
1989 if test "${HAVE_GTK}" = "yes"; then
1991 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1992 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1993 if test "$with_toolkit_scroll_bars" != no; then
1994 with_toolkit_scroll_bars=yes
1997 dnl Check if we have the old file selection dialog declared and
1998 dnl in the link library. In 2.x it may be in the library,
1999 dnl but not declared if deprecated featured has been selected out.
2000 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2001 HAVE_GTK_FILE_SELECTION=no
2002 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2003 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2004 #include <gtk/gtk.h>])
2005 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2006 AC_CHECK_FUNCS(gtk_file_selection_new)
2010 dnl Check for functions introduced in 2.14 and later.
2011 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2012 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2013 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2014 gtk_orientable_set_orientation \
2015 gtk_window_set_has_resize_grip)
2018 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2019 dnl other platforms.
2022 if test "${with_dbus}" = "yes"; then
2023 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2024 if test "$HAVE_DBUS" = yes; then
2025 LIBS="$LIBS $DBUS_LIBS"
2026 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2027 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2028 dnl dbus_validate_* have been introduced in D-Bus 1.5.12.
2029 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2030 dbus_validate_bus_name \
2031 dbus_validate_path \
2032 dbus_validate_interface \
2033 dbus_validate_member)
2039 dnl GSettings has been tested under GNU/Linux only.
2041 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2042 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2043 if test "$HAVE_GSETTINGS" = "yes"; then
2044 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2045 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2046 SETTINGS_LIBS="$GSETTINGS_LIBS"
2050 dnl GConf has been tested under GNU/Linux only.
2051 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2053 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2054 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2055 if test "$HAVE_GCONF" = yes; then
2056 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2057 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2058 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2059 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2063 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2064 SAVE_CFLAGS="$CFLAGS"
2066 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2067 LIBS="$SETTINGS_LIBS $LIBS"
2068 AC_CHECK_FUNCS([g_type_init])
2069 CFLAGS="$SAVE_CFLAGS"
2072 AC_SUBST(SETTINGS_CFLAGS)
2073 AC_SUBST(SETTINGS_LIBS)
2076 dnl SELinux is available for GNU/Linux only.
2079 if test "${with_selinux}" = "yes"; then
2080 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2081 if test "$HAVE_LIBSELINUX" = yes; then
2082 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2083 LIBSELINUX_LIBS=-lselinux
2086 AC_SUBST(LIBSELINUX_LIBS)
2089 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2090 if test "${with_gnutls}" = "yes" ; then
2091 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2092 if test "${HAVE_GNUTLS}" = "yes"; then
2093 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2096 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2097 LIBS="$LIBGNUTLS_LIBS $LIBS"
2098 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2100 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2101 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2105 AC_SUBST(LIBGNUTLS_LIBS)
2106 AC_SUBST(LIBGNUTLS_CFLAGS)
2108 dnl Do not put whitespace before the #include statements below.
2109 dnl Older compilers (eg sunos4 cc) choke on it.
2112 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2113 if test "$with_xaw3d" != no; then
2114 AC_MSG_CHECKING(for xaw3d)
2115 AC_CACHE_VAL(emacs_cv_xaw3d,
2116 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2117 #include <X11/Intrinsic.h>
2118 #include <X11/Xaw3d/Simple.h>]],
2120 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2121 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2122 emacs_cv_xaw3d=no)])
2126 if test $emacs_cv_xaw3d = yes; then
2127 AC_MSG_RESULT([yes; using Lucid toolkit])
2131 AC_DEFINE(HAVE_XAW3D, 1,
2132 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2135 AC_MSG_CHECKING(for libXaw)
2136 AC_CACHE_VAL(emacs_cv_xaw,
2137 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2138 #include <X11/Intrinsic.h>
2139 #include <X11/Xaw/Simple.h>]],
2143 if test $emacs_cv_xaw = yes; then
2144 AC_MSG_RESULT([yes; using Lucid toolkit])
2147 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2148 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2150 AC_MSG_ERROR([No X toolkit could be found.
2151 If you are sure you want Emacs compiled without an X toolkit, pass
2153 to configure. Otherwise, install the development libraries for the toolkit
2154 that you want to use (e.g. Gtk+) and re-run configure.])
2159 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2162 if test "${USE_X_TOOLKIT}" != "none"; then
2163 AC_MSG_CHECKING(X11 toolkit version)
2164 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2165 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2166 [[#if XtSpecificationRelease < 6
2169 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2170 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2171 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2172 AC_MSG_RESULT(6 or newer)
2173 AC_DEFINE(HAVE_X11XTR6, 1,
2174 [Define to 1 if you have the X11R6 or newer version of Xt.])
2175 LIBXTR6="-lSM -lICE"
2177 ## Use libw.a along with X11R6 Xt.
2178 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2181 AC_MSG_RESULT(before 6)
2184 dnl If using toolkit, check whether libXmu.a exists.
2185 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2187 if test x$HAVE_X11XTR6 = xyes; then
2188 LIBS="-lXt -lSM -lICE $LIBS"
2192 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2193 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2197 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2198 dnl Why not just test for libxmu in the normal way?
2201 ## These systems don't supply Xmu.
2203 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2208 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2209 if test "${HAVE_X11}" = "yes"; then
2210 if test "${USE_X_TOOLKIT}" != "none"; then
2211 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2216 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2217 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2218 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2219 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2222 Motif version prior to 2.1.
2224 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2225 if test $emacs_cv_motif_version_2_1 = yes; then
2226 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2228 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2229 # We put this in CFLAGS temporarily to precede other -I options
2230 # that might be in CFLAGS temporarily.
2231 # We put this in CPPFLAGS where it precedes the other -I options.
2232 OLD_CPPFLAGS=$CPPFLAGS
2234 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2235 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2236 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2238 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2239 if test $emacs_cv_lesstif = yes; then
2240 # Make sure this -I option remains in CPPFLAGS after it is set
2241 # back to REAL_CPPFLAGS.
2242 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2243 # have those other -I options anyway. Ultimately, having this
2244 # directory ultimately in CPPFLAGS will be enough.
2245 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2246 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2249 CPPFLAGS=$OLD_CPPFLAGS
2252 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2253 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2256 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2257 dnl using Motif or Xaw3d is available, and unless
2258 dnl --with-toolkit-scroll-bars=no was specified.
2260 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2261 [Define to 1 if we should use toolkit scroll bars.])dnl
2262 USE_TOOLKIT_SCROLL_BARS=no
2263 if test "${with_toolkit_scroll_bars}" != "no"; then
2264 if test "${USE_X_TOOLKIT}" != "none"; then
2265 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2266 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2268 USE_TOOLKIT_SCROLL_BARS=yes
2269 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2270 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2271 USE_TOOLKIT_SCROLL_BARS=yes
2273 elif test "${HAVE_GTK}" = "yes"; then
2274 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2275 USE_TOOLKIT_SCROLL_BARS=yes
2276 elif test "${HAVE_NS}" = "yes"; then
2277 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2278 USE_TOOLKIT_SCROLL_BARS=yes
2282 dnl See if XIM is available.
2283 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2284 #include <X11/Xlib.h>
2285 #include <X11/Xresource.h>]],
2286 [[XIMProc callback;]])],
2288 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2291 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2293 if test "${with_xim}" != "no"; then
2294 AC_DEFINE(USE_XIM, 1,
2295 [Define to 1 if we should use XIM, if it is available.])
2299 if test "${HAVE_XIM}" != "no"; then
2301 if test "$GCC" = yes; then
2302 CFLAGS="$CFLAGS --pedantic-errors"
2304 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2305 #include <X11/Xlib.h>
2306 #include <X11/Xresource.h>]],
2312 XPointer *client_data;
2314 /* If we're not using GCC, it's probably not XFree86, and this is
2315 probably right, but we can't use something like --pedantic-errors. */
2316 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2317 char*, XIMProc, XPointer*);
2319 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2321 [emacs_cv_arg6_star=yes])
2322 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2323 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2324 either XPointer or XPointer*.])dnl
2325 if test "$emacs_cv_arg6_star" = yes; then
2326 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2328 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2333 ### Start of font-backend (under any platform) section.
2334 # (nothing here yet -- this is a placeholder)
2335 ### End of font-backend (under any platform) section.
2337 ### Start of font-backend (under X11) section.
2338 if test "${HAVE_X11}" = "yes"; then
2339 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2341 ## Use -lXft if available, unless `--with-xft=no'.
2343 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2346 if test "x${with_xft}" != "xno"; then
2348 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2349 ## Because xftfont.c uses XRenderQueryExtension, we also
2350 ## need to link to -lXrender.
2352 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2353 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2354 OLD_CPPFLAGS="$CPPFLAGS"
2355 OLD_CFLAGS="$CFLAGS"
2357 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2358 CFLAGS="$CFLAGS $XFT_CFLAGS"
2359 XFT_LIBS="-lXrender $XFT_LIBS"
2360 LIBS="$XFT_LIBS $LIBS"
2361 AC_CHECK_HEADER(X11/Xft/Xft.h,
2362 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2364 if test "${HAVE_XFT}" = "yes"; then
2365 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2367 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2369 CPPFLAGS="$OLD_CPPFLAGS"
2370 CFLAGS="$OLD_CFLAGS"
2372 fi # "${HAVE_XFT}" = "yes"
2373 fi # "$HAVE_XFT" != no
2374 fi # "x${with_xft}" != "xno"
2376 ## We used to allow building with FreeType and without Xft.
2377 ## However, the ftx font backend driver is not in good shape.
2378 if test "$HAVE_XFT" != "yes"; then
2379 dnl For the "Does Emacs use" message at the end.
2383 dnl Strict linkers fail with
2384 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2385 dnl if -lfreetype is not specified.
2386 dnl The following is needed to set FREETYPE_LIBS.
2387 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2390 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2394 if test "${HAVE_FREETYPE}" = "yes"; then
2395 AC_DEFINE(HAVE_FREETYPE, 1,
2396 [Define to 1 if using the freetype and fontconfig libraries.])
2397 if test "${with_libotf}" != "no"; then
2398 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2400 if test "$HAVE_LIBOTF" = "yes"; then
2401 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2402 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2403 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2404 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2405 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2406 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2407 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2411 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2412 dnl Does the new font backend require it, or can it work without it?
2416 if test "${HAVE_LIBOTF}" = yes; then
2417 if test "${with_m17n_flt}" != "no"; then
2418 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2419 if test "$HAVE_M17N_FLT" = "yes"; then
2420 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2431 ### End of font-backend (under X11) section.
2433 AC_SUBST(FREETYPE_CFLAGS)
2434 AC_SUBST(FREETYPE_LIBS)
2435 AC_SUBST(FONTCONFIG_CFLAGS)
2436 AC_SUBST(FONTCONFIG_LIBS)
2437 AC_SUBST(LIBOTF_CFLAGS)
2438 AC_SUBST(LIBOTF_LIBS)
2439 AC_SUBST(M17N_FLT_CFLAGS)
2440 AC_SUBST(M17N_FLT_LIBS)
2442 ### Use -lXpm if available, unless `--with-xpm=no'.
2445 if test "${HAVE_X11}" = "yes"; then
2446 if test "${with_xpm}" != "no"; then
2447 AC_CHECK_HEADER(X11/xpm.h,
2448 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2449 if test "${HAVE_XPM}" = "yes"; then
2450 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2451 AC_EGREP_CPP(no_return_alloc_pixels,
2452 [#include "X11/xpm.h"
2453 #ifndef XpmReturnAllocPixels
2454 no_return_alloc_pixels
2456 ], HAVE_XPM=no, HAVE_XPM=yes)
2458 if test "${HAVE_XPM}" = "yes"; then
2466 if test "${HAVE_XPM}" = "yes"; then
2467 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2473 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2476 if test "${HAVE_X11}" = "yes"; then
2477 if test "${with_jpeg}" != "no"; then
2478 dnl Checking for jpeglib.h can lose because of a redefinition of
2480 AC_CHECK_HEADER(jerror.h,
2481 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2484 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2485 if test "${HAVE_JPEG}" = "yes"; then
2486 AC_DEFINE(HAVE_JPEG)
2487 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2488 [#include <jpeglib.h>
2489 version=JPEG_LIB_VERSION
2491 [AC_DEFINE(HAVE_JPEG)],
2492 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2495 if test "${HAVE_JPEG}" = "yes"; then
2501 ### Use -lpng if available, unless `--with-png=no'.
2504 if test "${HAVE_X11}" = "yes"; then
2505 if test "${with_png}" != "no"; then
2506 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2507 # in /usr/include/libpng.
2508 AC_CHECK_HEADERS(png.h libpng/png.h)
2509 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2510 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2514 if test "${HAVE_PNG}" = "yes"; then
2515 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2516 LIBPNG="-lpng -lz -lm"
2521 ### Use -ltiff if available, unless `--with-tiff=no'.
2524 if test "${HAVE_X11}" = "yes"; then
2525 if test "${with_tiff}" != "no"; then
2526 AC_CHECK_HEADER(tiffio.h,
2528 # At least one tiff package requires the jpeg library.
2529 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2530 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2533 if test "${HAVE_TIFF}" = "yes"; then
2534 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2535 dnl FIXME -lz -lm, as per libpng?
2541 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2544 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2545 AC_CHECK_HEADER(gif_lib.h,
2546 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2547 # Earlier versions can crash Emacs.
2548 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2550 if test "$HAVE_GIF" = yes; then
2552 elif test "$HAVE_GIF" = maybe; then
2553 # If gif_lib.h but no libgif, try libungif.
2554 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2555 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2558 if test "${HAVE_GIF}" = "yes"; then
2559 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2564 dnl Check for required libraries.
2565 if test "${HAVE_X11}" = "yes"; then
2568 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2569 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2570 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2571 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2572 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2573 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2574 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2575 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2576 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2577 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2579 if test "X${MISSING}" != X; then
2580 AC_MSG_ERROR([The following required libraries were not found:
2582 Maybe some development libraries/packages are missing?
2583 If you don't want to link with them give
2585 as options to configure])
2589 ### Use -lgpm if available, unless `--with-gpm=no'.
2592 if test "${with_gpm}" != "no"; then
2593 AC_CHECK_HEADER(gpm.h,
2594 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2596 if test "${HAVE_GPM}" = "yes"; then
2597 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2603 dnl Check for malloc/malloc.h on darwin
2604 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.])])
2607 ### Use NeXTstep API to implement GUI.
2608 if test "${HAVE_NS}" = "yes"; then
2609 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2610 if test "${NS_IMPL_COCOA}" = "yes"; then
2611 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2613 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2614 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2615 # See also .m.o rule in Makefile.in */
2616 # FIXME: are all these flags really needed? Document here why. */
2617 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2618 ## Extra CFLAGS applied to src/*.m files.
2619 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2621 # We also have mouse menus.
2627 ### Use session management (-lSM -lICE) if available
2630 if test "${HAVE_X11}" = "yes"; then
2631 AC_CHECK_HEADER(X11/SM/SMlib.h,
2632 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2634 if test "${HAVE_X_SM}" = "yes"; then
2635 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2639 *) LIBS="$LIBXSM $LIBS" ;;
2645 ### Use libxml (-lxml2) if available
2647 if test "${with_xml2}" != "no"; then
2648 ### I'm not sure what the version number should be, so I just guessed.
2649 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2650 if test "${HAVE_LIBXML2}" = "yes"; then
2651 LIBS="$LIBXML2_LIBS $LIBS"
2652 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2653 if test "${HAVE_LIBXML2}" = "yes"; then
2654 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2661 AC_SUBST(LIBXML2_LIBS)
2662 AC_SUBST(LIBXML2_CFLAGS)
2664 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2665 AC_CACHE_CHECK(whether netdb declares h_errno,
2666 emacs_cv_netdb_declares_h_errno,
2667 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2668 [[return h_errno;]])],
2669 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2670 if test $emacs_cv_netdb_declares_h_errno = yes; then
2671 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2674 # fmod, logb, and frexp are found in -lm on most systems.
2675 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2676 AC_CHECK_LIB(m, sqrt)
2678 # Check for mail-locking functions in a "mail" library. Probably this should
2679 # have the same check as for liblockfile below.
2680 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2681 if test $have_mail = yes; then
2683 LIBS="$LIBS_MAIL $LIBS"
2684 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2688 dnl Debian, at least:
2689 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2690 if test $have_lockfile = yes; then
2691 LIBS_MAIL=-llockfile
2692 LIBS="$LIBS_MAIL $LIBS"
2693 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2695 # If we have the shared liblockfile, assume we must use it for mail
2696 # locking (e.g. Debian). If we couldn't link against liblockfile
2697 # (no liblockfile.a installed), ensure that we don't need to.
2698 dnl This works for files generally, not just executables.
2699 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2700 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2701 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2702 if test $ac_cv_prog_liblockfile = yes; then
2703 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2704 This probably means that movemail could lose mail.
2705 There may be a `development' package to install containing liblockfile.])
2708 AC_CHECK_FUNCS(touchlock)
2709 AC_CHECK_HEADERS(maillock.h)
2712 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2713 ## interlock access to the mail spool. The alternative is a lock file named
2714 ## /usr/spool/mail/$USER.lock.
2717 aix4-2) mail_lock="lockf" ;;
2719 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2721 ## On GNU/Linux systems, both methods are used by various mail programs.
2722 ## I assume most people are using newer mailers that have heard of flock.
2723 ## Change this if you need to.
2724 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2725 ## configure gets the right answers, and that means *NOT* using flock.
2726 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2727 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2728 ## Debian maintainer hasn't provided a clean fix for Emacs.
2729 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2730 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2731 ## correct logic. -- fx
2732 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2733 ## liblockfile is a Free Software replacement for libmail, used on
2734 ## Debian systems and elsewhere. -rfr.
2737 if test $have_mail = yes || test $have_lockfile = yes; then
2738 test $ac_cv_header_maillock_h = yes && mail_lock=no
2744 case "$mail_lock" in
2745 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2747 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2749 *) BLESSMAIL_TARGET="need-blessmail" ;;
2751 AC_SUBST(BLESSMAIL_TARGET)
2754 AC_CHECK_FUNCS(gethostname \
2755 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2756 random lrand48 logb frexp fmod rint cbrt setsid \
2757 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2758 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2759 __fpending strsignal setitimer \
2760 sendto recvfrom getsockname getpeername \
2761 gai_strerror mkstemp getline getdelim fsync sync \
2762 difftime posix_memalign \
2763 getpwent endpwent getgrent endgrent \
2764 cfmakeraw cfsetspeed copysign __executable_start)
2766 dnl Cannot use AC_CHECK_FUNCS
2767 AC_CACHE_CHECK([for __builtin_unwind_init],
2768 emacs_cv_func___builtin_unwind_init,
2769 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2770 emacs_cv_func___builtin_unwind_init=yes,
2771 emacs_cv_func___builtin_unwind_init=no)])
2772 if test $emacs_cv_func___builtin_unwind_init = yes; then
2773 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2774 [Define to 1 if you have the `__builtin_unwind_init' function.])
2777 AC_CHECK_HEADERS(sys/un.h)
2784 AC_CHECK_FUNCS(grantpt)
2786 # PTY-related GNU extensions.
2787 AC_CHECK_FUNCS(getpt)
2789 # Check this now, so that we will NOT find the above functions in ncurses.
2790 # That is because we have not set up to link ncurses in lib-src.
2791 # It's better to believe a function is not available
2792 # than to expect to find it in ncurses.
2793 # Also we need tputs and friends to be able to build at all.
2794 AC_MSG_CHECKING([for library containing tputs])
2795 # Run a test program that contains a call to tputs, a call that is
2796 # never executed. This tests whether a pre-'main' dynamic linker
2797 # works with the library. It's too much trouble to actually call
2798 # tputs in the test program, due to portability hassles. When
2799 # cross-compiling, assume the test program will run if it links.
2800 AC_DEFUN([tputs_link_source], [
2802 [[extern void tputs (const char *, int, int (*)(int));
2803 int main (int argc, char **argv)
2806 tputs (argv[0], 0, 0);
2810 # Maybe curses should be tried earlier?
2811 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2812 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2814 if test -z "$tputs_library"; then
2818 LIBS_TERMCAP=-l$tputs_library
2820 LIBS="$LIBS_TERMCAP $LIBS"
2822 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2823 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2825 if test "X$msg" != Xno; then
2829 AC_MSG_RESULT([$msg])
2830 if test "X$msg" = Xno; then
2831 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2832 The following libraries were tried (in order):
2833 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2834 Please try installing whichever of these libraries is most appropriate
2835 for your system, together with its header files.
2836 For example, a libncurses-dev(el) or similar package.])
2839 ## Use termcap instead of terminfo?
2840 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2842 ## FIXME? In the cases below where we unconditionally set
2843 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2844 ## if that was found above to have tputs.
2845 ## Should we use the gnu* logic everywhere?
2847 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2848 ## The ncurses library has been moved out of the System framework in
2849 ## Mac OS X 10.2. So if configure detects it, set the command-line
2850 ## option to use it.
2851 darwin) LIBS_TERMCAP="-lncurses" ;;
2853 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2856 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2857 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2858 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2859 [[#if __FreeBSD_version < 400000
2862 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2864 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2866 if test $emacs_cv_freebsd_terminfo = yes; then
2867 LIBS_TERMCAP="-lncurses"
2870 LIBS_TERMCAP="-ltermcap"
2875 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2877 LIBS_TERMCAP="-ltermcap"
2881 openbsd) LIBS_TERMCAP="-lncurses" ;;
2883 ## hpux: Make sure we get select from libc rather than from libcurses
2884 ## because libcurses on HPUX 10.10 has a broken version of select.
2885 ## We used to use -lc -lcurses, but this may be cleaner.
2886 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2887 # set that way, now it uses the default). Isn't this a contradiction?
2888 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2892 TERMCAP_OBJ=tparam.o
2893 if test $TERMINFO = yes; then
2894 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2895 TERMCAP_OBJ=terminfo.o
2897 AC_SUBST(LIBS_TERMCAP)
2898 AC_SUBST(TERMCAP_OBJ)
2901 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2903 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2904 #include <arpa/nameser.h>
2905 #include <resolv.h>]],
2906 [[return res_init();]])],
2907 have_res_init=yes, have_res_init=no)
2908 if test "$have_res_init" = no; then
2910 LIBS="$LIBS -lresolv"
2911 AC_MSG_CHECKING(for res_init with -lresolv)
2912 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2913 #include <arpa/nameser.h>
2914 #include <resolv.h>]],
2915 [[return res_init();]])],
2916 have_res_init=yes, have_res_init=no)
2917 AC_MSG_RESULT($have_res_init)
2918 if test "$have_res_init" = yes ; then
2924 if test "$have_res_init" = yes; then
2925 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2928 # Do we need the Hesiod library to provide the support routines?
2930 if test "$with_hesiod" != no ; then
2931 # Don't set $LIBS here -- see comments above. FIXME which comments?
2932 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2933 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2934 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2935 if test "$resolv" = yes ; then
2940 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2941 hesiod=yes, :, $RESOLVLIB)])
2943 if test x"$hesiod" = xyes; then
2944 AC_DEFINE(HAVE_LIBHESIOD, 1,
2945 [Define to 1 if you have the hesiod library (-lhesiod).])
2951 # Do we need libresolv (due to res_init or Hesiod)?
2952 if test "$resolv" = yes ; then
2953 AC_DEFINE(HAVE_LIBRESOLV, 1,
2954 [Define to 1 if you have the resolv library (-lresolv).])
2961 # These tell us which Kerberos-related libraries to use.
2968 if test "${with_kerberos}" != no; then
2969 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2970 if test $have_com_err = yes; then
2971 COM_ERRLIB=-lcom_err
2972 LIBS="$COM_ERRLIB $LIBS"
2973 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2975 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2976 if test $have_crypto = yes; then
2978 LIBS="$CRYPTOLIB $LIBS"
2979 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2981 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2982 if test $have_k5crypto = yes; then
2983 CRYPTOLIB=-lk5crypto
2984 LIBS="$CRYPTOLIB $LIBS"
2985 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2987 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2988 if test $have_krb5=yes; then
2990 LIBS="$KRB5LIB $LIBS"
2991 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2993 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2994 if test "${with_kerberos5}" = no; then
2995 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2996 if test $have_des425 = yes; then
2998 LIBS="$DESLIB $LIBS"
2999 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3001 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3002 if test $have_des = yes; then
3004 LIBS="$DESLIB $LIBS"
3005 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3008 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3009 if test $have_krb4 = yes; then
3011 LIBS="$KRB4LIB $LIBS"
3012 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3014 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3015 if test $have_krb = yes; then
3017 LIBS="$KRB4LIB $LIBS"
3018 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3023 if test "${with_kerberos5}" != no; then
3024 AC_CHECK_HEADERS(krb5.h,
3025 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3026 [#include <krb5.h>])])
3028 AC_CHECK_HEADERS(des.h,,
3029 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3030 [AC_CHECK_HEADERS(kerberos/des.h)])])
3031 AC_CHECK_HEADERS(krb.h,,
3032 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3033 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3035 AC_CHECK_HEADERS(com_err.h)
3038 AC_SUBST(COM_ERRLIB)
3044 AC_MSG_CHECKING(whether localtime caches TZ)
3045 AC_CACHE_VAL(emacs_cv_localtime_cache,
3046 [if test x$ac_cv_func_tzset = xyes; then
3047 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3048 char TZ_GMT0[] = "TZ=GMT0";
3049 char TZ_PST8[] = "TZ=PST8";
3052 time_t now = time ((time_t *) 0);
3053 int hour_GMT0, hour_unset;
3054 if (putenv (TZ_GMT0) != 0)
3056 hour_GMT0 = localtime (&now)->tm_hour;
3058 hour_unset = localtime (&now)->tm_hour;
3059 if (putenv (TZ_PST8) != 0)
3061 if (localtime (&now)->tm_hour == hour_GMT0)
3064 if (localtime (&now)->tm_hour != hour_unset)
3067 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3068 [# If we have tzset, assume the worst when cross-compiling.
3069 emacs_cv_localtime_cache=yes])
3071 # If we lack tzset, report that localtime does not cache TZ,
3072 # since we can't invalidate the cache if we don't have tzset.
3073 emacs_cv_localtime_cache=no
3075 AC_MSG_RESULT($emacs_cv_localtime_cache)
3076 if test $emacs_cv_localtime_cache = yes; then
3077 AC_DEFINE(LOCALTIME_CACHE, 1,
3078 [Define to 1 if localtime caches TZ.])
3081 if test "x$HAVE_TIMEVAL" = xyes; then
3082 AC_CHECK_FUNCS(gettimeofday)
3083 if test $ac_cv_func_gettimeofday = yes; then
3084 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3085 emacs_cv_gettimeofday_two_arguments,
3086 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3087 #ifdef TIME_WITH_SYS_TIME
3088 #include <sys/time.h>
3091 #ifdef HAVE_SYS_TIME_H
3092 #include <sys/time.h>
3097 [[struct timeval time;
3098 gettimeofday (&time, 0);]])],
3099 emacs_cv_gettimeofday_two_arguments=yes,
3100 emacs_cv_gettimeofday_two_arguments=no)])
3101 if test $emacs_cv_gettimeofday_two_arguments = no; then
3102 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3103 [Define to 1 if gettimeofday accepts only one argument.])
3109 AC_CHECK_FUNC(socket, , ok_so_far=no)
3110 if test $ok_so_far = yes; then
3111 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3113 if test $ok_so_far = yes; then
3114 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3116 if test $ok_so_far = yes; then
3117 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3118 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3119 [Define to 1 if you have inet sockets.])
3122 if test -f /usr/lpp/X11/bin/smt.exp; then
3123 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3124 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3127 AC_MSG_CHECKING(whether system supports dynamic ptys)
3128 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3130 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3137 AC_CHECK_FUNCS(snprintf)
3139 dnl Adapted from Haible's version.
3140 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3141 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3142 [[char* cs = nl_langinfo(CODESET);]])],
3143 emacs_cv_langinfo_codeset=yes,
3144 emacs_cv_langinfo_codeset=no)
3146 if test $emacs_cv_langinfo_codeset = yes; then
3147 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3148 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3153 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3154 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3155 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3156 if test "$emacs_cv_c_restrict_arr" = yes; then
3157 AC_DEFINE(__restrict_arr, __restrict,
3158 [Define to compiler's equivalent of C99 restrict keyword in array
3159 declarations. Define as empty for no equivalent.])
3162 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3163 dnl how the tty code is related to POSIX and/or other versions of termios.
3164 dnl The following looks like a useful start.
3166 dnl AC_SYS_POSIX_TERMIOS
3167 dnl if test $ac_cv_sys_posix_termios = yes; then
3168 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3169 dnl and macros for terminal control.])
3170 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3173 # Set up the CFLAGS for real compilation, so we can substitute it.
3174 CFLAGS="$REAL_CFLAGS"
3175 CPPFLAGS="$REAL_CPPFLAGS"
3177 ## Hack to detect a buggy GCC version.
3178 if test "x$GCC" = xyes \
3179 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3180 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3181 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3182 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3185 version=$PACKAGE_VERSION
3187 ### Specify what sort of things we'll be editing into Makefile and config.h.
3188 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3190 AC_SUBST(configuration)
3195 AC_SUBST(exec_prefix)
3198 AC_SUBST(sharedstatedir)
3199 AC_SUBST(libexecdir)
3204 AC_SUBST(locallisppath)
3206 AC_SUBST(x_default_search_path)
3208 AC_SUBST(archlibdir)
3213 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3214 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3215 ## end of LIBX_BASE, but nothing ever set it.
3216 AC_SUBST(LD_SWITCH_X_SITE)
3217 AC_SUBST(C_SWITCH_X_SITE)
3218 AC_SUBST(GNUSTEP_CFLAGS)
3220 ## Used in lwlib/Makefile.in.
3221 AC_SUBST(X_TOOLKIT_TYPE)
3222 if test -n "${machfile}"; then
3223 M_FILE="\$(srcdir)/${machfile}"
3227 S_FILE="\$(srcdir)/${opsysfile}"
3231 AC_SUBST(ns_appbindir)
3232 AC_SUBST(ns_appresdir)
3234 AC_SUBST(GNU_OBJC_CFLAGS)
3235 AC_SUBST(OTHER_FILES)
3237 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3238 [Define to the canonical Emacs configuration name.])
3239 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3240 [Define to the options passed to configure.])
3241 if test -n "$machfile"; then
3242 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3243 [Define to the used machine dependent file.])
3245 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3246 [Define to the used os dependent file.])
3251 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3252 AC_DEFINE(HAVE_X_WINDOWS, 1,
3253 [Define to 1 if you want to use the X window system.])
3255 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3257 if test "$HAVE_XFT" = "yes"; then
3258 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3259 elif test "$HAVE_FREETYPE" = "yes"; then
3260 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3270 if test "${USE_X_TOOLKIT}" != "none" ; then
3272 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3273 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3274 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3275 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3276 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3280 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3281 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3285 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3286 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3287 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3291 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3292 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3295 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3298 AC_SUBST(WIDGET_OBJ)
3301 case "$USE_X_TOOLKIT" in
3302 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3303 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3304 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3306 AC_SUBST(TOOLKIT_LIBW)
3308 if test "$USE_X_TOOLKIT" = "none"; then
3309 LIBXT_OTHER="\$(LIBXSM)"
3310 OLDXMENU_TARGET="really-oldXMenu"
3312 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3313 OLDXMENU_TARGET="really-lwlib"
3315 AC_SUBST(LIBXT_OTHER)
3317 ## The X Menu stuff is present in the X10 distribution, but missing
3318 ## from X11. If we have X10, just use the installed library;
3319 ## otherwise, use our own copy.
3320 if test "${HAVE_X11}" = "yes" ; then
3321 AC_DEFINE(HAVE_X11, 1,
3322 [Define to 1 if you want to use version 11 of X windows.
3323 Otherwise, Emacs expects to use version 10.])
3325 if test "$USE_X_TOOLKIT" = "none"; then
3326 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3328 OLDXMENU="\${lwlibdir}/liblw.a"
3330 LIBXMENU="\$(OLDXMENU)"
3331 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3332 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3334 ## For a syntactically valid Makefile; not actually used for anything.
3335 ## See comments in src/Makefile.in.
3337 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3338 if test "${HAVE_X_WINDOWS}" = "yes"; then
3347 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3354 AC_SUBST(OLDXMENU_TARGET)
3357 AC_SUBST(LIBX_OTHER)
3358 AC_SUBST(OLDXMENU_DEPS)
3360 if test "${HAVE_MENUS}" = "yes" ; then
3361 AC_DEFINE(HAVE_MENUS, 1,
3362 [Define to 1 if you have mouse menus.
3363 (This is automatic if you use X, but the option to specify it remains.)
3364 It is also defined with other window systems that support xmenu.c.])
3367 if test "${GNU_MALLOC}" = "yes" ; then
3368 AC_DEFINE(GNU_MALLOC, 1,
3369 [Define to 1 if you want to use the GNU memory allocator.])
3373 if test "${REL_ALLOC}" = "yes" ; then
3374 AC_DEFINE(REL_ALLOC, 1,
3375 [Define REL_ALLOC if you want to use the relocating allocator for
3378 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3380 AC_SUBST(RALLOC_OBJ)
3382 if test "$opsys" = "cygwin"; then
3383 CYGWIN_OBJ="sheap.o"
3384 ## Cygwin differs because of its unexec().
3386 POST_ALLOC_OBJ=lastfile.o
3389 PRE_ALLOC_OBJ=lastfile.o
3392 AC_SUBST(CYGWIN_OBJ)
3393 AC_SUBST(PRE_ALLOC_OBJ)
3394 AC_SUBST(POST_ALLOC_OBJ)
3396 # Configure gnulib here, now that we know LIBS.
3397 gl_ASSERT_NO_GNULIB_POSIXCHECK
3398 gl_ASSERT_NO_GNULIB_TESTS
3402 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3405 ## The -headerpad option tells ld (see man page) to leave room at the
3406 ## end of the header for adding load commands. Needed for dumping.
3407 ## 0x690 is the total size of 30 segment load commands (at 56
3408 ## each); under Cocoa 31 commands are required.
3409 if test "$HAVE_NS" = "yes"; then
3410 libs_nsgui="-framework AppKit"
3416 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3418 ## This is here because src/Makefile.in did some extra fiddling around
3419 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3420 ## #ifndef LD_SWITCH_SYSTEM
3421 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3422 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3423 ## not using gcc, darwin system not on an alpha (ie darwin, since
3424 ## darwin + alpha does not occur).
3425 ## Because this was done in src/Makefile.in, the resulting part of
3426 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3427 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3428 ## rather than LD_SWITCH_SYSTEM.
3429 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3430 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3433 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
3434 ## find X at run-time.
3435 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
3436 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
3437 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3438 ## had different values in configure (in ac_link) and src/Makefile.in.
3439 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3440 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
3442 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3445 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3446 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3449 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3455 ## gnu: GNU needs its own crt0.
3456 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3458 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3459 ## library search parth, i.e. it won't search /usr/lib for libc and
3460 ## friends. Using -nostartfiles instead avoids this problem, and
3461 ## will also work on earlier NetBSD releases.
3462 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3464 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3465 ## MkLinux/LinuxPPC needs this.
3466 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3469 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3475 if test "x$ORDINARY_LINK" = "xyes"; then
3478 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3480 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3481 ## freebsd, gnu-* not on macppc|ibms390x.
3482 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3484 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3485 ## places that are difficult to figure out at make time. Fortunately,
3486 ## these same versions allow you to pass arbitrary flags on to the
3487 ## linker, so there is no reason not to use it as a linker.
3489 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3490 ## searching for libraries in its internal directories, so we have to
3491 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3492 LD_FIRSTFLAG="-nostdlib"
3495 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3496 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3498 AC_SUBST(LD_FIRSTFLAG)
3501 ## FIXME? The logic here is not precisely the same as that above.
3502 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3503 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3505 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3508 freebsd|netbsd|openbsd) LIB_GCC= ;;
3511 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3512 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3518 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3519 ## immediately undefine it again and redefine it to empty.
3520 ## Was the C_SWITCH_X_SITE part really necessary?
3521 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3527 ## Ask GCC where to find libgcc.a.
3528 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3534 ## If we're using X11/GNUstep, define some consequences.
3535 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3536 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3537 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3541 AH_TOP([/* GNU Emacs site configuration template file.
3543 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3544 Free Software Foundation, Inc.
3546 This file is part of GNU Emacs.
3548 GNU Emacs is free software: you can redistribute it and/or modify
3549 it under the terms of the GNU General Public License as published by
3550 the Free Software Foundation, either version 3 of the License, or
3551 (at your option) any later version.
3553 GNU Emacs is distributed in the hope that it will be useful,
3554 but WITHOUT ANY WARRANTY; without even the implied warranty of
3555 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3556 GNU General Public License for more details.
3558 You should have received a copy of the GNU General Public License
3559 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3562 /* No code in Emacs #includes config.h twice, but some bits of code
3563 intended to work with other packages as well (like gmalloc.c)
3564 think they can include it as many times as they like. */
3565 #ifndef EMACS_CONFIG_H
3566 #define EMACS_CONFIG_H
3570 /* On AIX 3 this must be included before any other include file. */
3573 # error "alloca not available on this machine"
3576 /* Define AMPERSAND_FULL_NAME if you use the convention
3577 that & in the full name stands for the login id. */
3578 /* Turned on June 1996 supposing nobody will mind it. */
3579 #define AMPERSAND_FULL_NAME
3581 /* `subprocesses' should be defined if you want to
3582 have code for asynchronous subprocesses
3583 (as used in M-x compile and M-x shell).
3584 Only MSDOS does not support this (it overrides
3585 this in its config_opsysfile below). */
3587 #define subprocesses
3589 /* Include the os and machine dependent files. */
3590 #include config_opsysfile
3591 #ifdef config_machfile
3592 # include config_machfile
3595 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3596 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3597 (There is probably a better place to do this, but right now the
3598 Cocoa side does this in s/darwin.h and we cannot parallel this
3599 exactly since GNUstep is multi-OS. */
3600 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3601 # define SYSTEM_PURESIZE_EXTRA 30000
3604 #ifdef emacs /* Don't do this for lib-src. */
3605 /* Tell regex.c to use a type compatible with Emacs. */
3606 #define RE_TRANSLATE_TYPE Lisp_Object
3607 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3609 /* If make_number is a macro, use it. */
3610 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3612 /* If make_number is a function, avoid it. */
3613 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3617 /* These default definitions are good for almost all machines.
3618 Any exceptions should override them in m/MACHINE.h.
3619 They must be usable in preprocessor conditionals. */
3621 #ifndef BITS_PER_CHAR
3622 #define BITS_PER_CHAR 8
3625 #ifndef BITS_PER_SHORT
3626 #define BITS_PER_SHORT 16
3629 #ifndef BITS_PER_INT
3630 #define BITS_PER_INT 32
3633 #ifndef BITS_PER_LONG
3635 #define BITS_PER_LONG 64
3637 #define BITS_PER_LONG 32
3641 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3642 #define BITS_PER_LONG_LONG 64
3648 #if defined __GNUC__ && (__GNUC__ > 2 \
3649 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3650 #define NO_RETURN __attribute__ ((__noreturn__))
3652 #define NO_RETURN /* nothing */
3655 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3656 #define NO_INLINE __attribute__((noinline))
3661 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3662 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3664 #define EXTERNALLY_VISIBLE
3667 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3668 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3670 # define ATTRIBUTE_FORMAT(spec) /* empty */
3673 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3674 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3675 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3677 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3678 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3681 /* Some versions of GNU/Linux define noinline in their headers. */
3686 /* These won't be used automatically yet. We also need to know, at least,
3687 that the stack is continuous. */
3689 # ifndef GC_SETJMP_WORKS
3690 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3691 # define GC_SETJMP_WORKS 1
3695 #endif /* EMACS_CONFIG_H */
3704 #### Report on what we decided to do.
3705 #### Report GTK as a toolkit, even if it doesn't use Xt.
3706 #### It makes printing result more understandable as using GTK sets
3707 #### toolkit_scroll_bars to yes by default.
3708 if test "${HAVE_GTK}" = "yes"; then
3713 if test -n "$machfile"; then
3714 and_machfile=" and \`${machfile}'"
3718 Configured for \`${canonical}'.
3720 Where should the build process find the source code? ${srcdir}
3721 What operating system and machine description files should Emacs use?
3722 \`${opsysfile}'${and_machfile}
3723 What compiler should emacs be built with? ${CC} ${CFLAGS}
3724 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3725 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3726 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3727 What window system should Emacs use? ${window_system}
3728 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3730 if test -n "${x_includes}"; then
3731 echo " Where do we find X Windows header files? ${x_includes}"
3733 echo " Where do we find X Windows header files? Standard dirs"
3735 if test -n "${x_libraries}"; then
3736 echo " Where do we find X Windows libraries? ${x_libraries}"
3738 echo " Where do we find X Windows libraries? Standard dirs"
3741 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3742 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3743 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3744 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3745 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3746 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3747 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3748 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3750 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3751 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3752 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3753 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3754 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3755 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3756 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3758 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3759 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3760 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3761 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3763 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3766 if test -n "${EMACSDATA}"; then
3767 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3769 if test -n "${EMACSDOC}"; then
3770 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3773 if test $USE_XASSERTS = yes; then
3774 echo " Compiling with asserts turned on."
3775 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3780 if test "$HAVE_NS" = "yes"; then
3782 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3783 The installed application will go to nextstep/Emacs.app and can be
3784 run or moved from there."
3785 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3786 echo "The application will be fully self-contained."
3788 echo "The lisp resources for the application will be installed under ${prefix}.
3789 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3790 to run if these resources are not installed."
3795 if test "${opsys}" = "cygwin"; then
3797 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3803 # Remove any trailing slashes in these variables.
3804 [test "${prefix}" != NONE &&
3805 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3806 test "${exec_prefix}" != NONE &&
3807 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3809 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3810 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3811 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3812 dnl (else you get "no `Makefile.am' found for any configure output").
3813 dnl This will work, but you get a config.status that is not quite right
3814 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3815 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3816 dnl it seems better to just live with the duplication.
3817 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"
3819 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3820 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3821 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3824 dnl test/ is not present in release tarfiles.
3825 opt_makefile=test/automated/Makefile
3827 if test -f $srcdir/${opt_makefile}.in; then
3828 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3829 dnl Again, it's best not to use a variable. Though you can add
3830 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3831 AC_CONFIG_FILES([test/automated/Makefile])
3835 dnl admin/ may or may not be present.
3836 opt_makefile=admin/unidata/Makefile
3838 if test -f $srcdir/${opt_makefile}.in; then
3839 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3840 AC_CONFIG_FILES([admin/unidata/Makefile])
3844 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3846 AC_SUBST(SUBDIR_MAKEFILES_IN)
3848 dnl Make the necessary directories, if they don't exist.
3849 AC_CONFIG_COMMANDS([mkdirs], [
3850 for dir in etc lisp ; do
3851 test -d ${dir} || mkdir ${dir}
3855 dnl You might wonder (I did) why epaths.h is generated by running make,
3856 dnl rather than just letting configure generate it from epaths.in.
3857 dnl One reason is that the various paths are not fully expanded (see above);
3858 dnl eg gamedir=${prefix}/var/games/emacs.
3859 dnl Secondly, the GNU Coding standards require that one should be able
3860 dnl to run `make prefix=/some/where/else' and override the values set
3861 dnl by configure. This also explains the `move-if-change' test and
3862 dnl the use of force in the `epaths-force' rule in Makefile.in.
3863 AC_CONFIG_COMMANDS([epaths], [
3864 echo creating src/epaths.h
3865 ${MAKE-make} epaths-force
3866 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
3868 AC_CONFIG_COMMANDS([gdbinit], [
3869 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3870 echo creating src/.gdbinit
3871 echo source $srcdir/src/.gdbinit > src/.gdbinit
3877 dnl configure.in ends here