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 ${srcdir}; pwd)`" ;;
378 #### Given the configuration name, set opsysfile to the
379 #### name of s/*.h file we should use.
381 ### Canonicalize the configuration name.
385 configuration=${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 file.
401 ### You would hope that you could choose an s/*.h
402 ### file based on the operating system portion. However, it turns out
403 ### that each s/*.h file is pretty manufacturer-specific.
404 ### So we basically have to have a special case for each
405 ### configuration name.
407 ### As far as handling version numbers on operating systems is
408 ### concerned, make sure things will fail in a fixable way. If
409 ### /etc/MACHINES doesn't say anything about version numbers, be
410 ### prepared to handle anything reasonably. If version numbers
411 ### matter, be sure /etc/MACHINES says something about it.
414 case "${canonical}" in
416 ## GNU/Linux and similar ports
426 ## FreeBSD kernel + glibc based userland
441 ## Apple Darwin / Mac OS X
443 case "${canonical}" in
450 ## Use fink packages if available.
451 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
452 ## if test -d /sw/include && test -d /sw/lib; then
453 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
454 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
458 ## HP 9000 series 700 and 800, running HP/UX
462 hppa*-hp-hpux1[1-9]* )
464 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
468 rs6000-ibm-aix4.[23]* )
471 powerpc-ibm-aix4.[23]* )
474 rs6000-ibm-aix[56]* )
477 powerpc-ibm-aix[56]* )
481 ## Silicon Graphics machines
485 # Without defining _LANGUAGE_C, things get masked out in the headers
486 # so that, for instance, grepping for `free' in stdlib.h fails and
487 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
488 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
493 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
494 | x86_64-*-solaris2* | x86_64-*-sunos5*)
495 case "${canonical}" in
497 amd64-*-*|x86_64-*-*) ;;
501 case "${canonical}" in
502 *-sunos5.6* | *-solaris2.6* )
506 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
508 emacs_check_sunpro_c=yes
510 *-sunos5* | *-solaris* )
512 emacs_check_sunpro_c=yes
515 ## Watch out for a compiler that we know will not work.
516 case "${canonical}" in
517 *-solaris* | *-sunos5* )
518 if [ "x$CC" = x/usr/ucb/cc ]; then
519 ## /usr/ucb/cc doesn't work;
520 ## we should find some other compiler that does work.
528 ## Intel 386 machines where we don't care about the manufacturer.
530 case "${canonical}" in
531 *-cygwin ) opsys=cygwin ;;
532 *-darwin* ) opsys=darwin ;;
533 *-sysv4.2uw* ) opsys=unixware ;;
534 *-sysv5uw* ) opsys=unixware ;;
535 *-sysv5OpenUNIX* ) opsys=unixware ;;
536 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
545 ### If the code above didn't choose an operating system, just choose
546 ### an operating system based on the configuration name. You really
547 ### only want to use this when you have no idea what the right
548 ### operating system is; if you know what operating systems a machine
549 ### runs, it's cleaner to make it explicit in the case statement
551 if test x"${opsys}" = x; then
552 case "${canonical}" in
553 *-gnu* ) opsys=gnu ;;
563 if test $unported = yes; then
564 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
565 Check `etc/MACHINES' for recognized configuration names.])
568 opsysfile="s/${opsys}.h"
571 #### Choose a compiler.
573 dnl Sets GCC=yes if using gcc.
577 if test x$GCC = xyes; then
578 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
580 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
583 # Initialize gnulib right after choosing the compiler.
586 AC_ARG_ENABLE([gcc-warnings],
587 [AS_HELP_STRING([--enable-gcc-warnings],
588 [turn on lots of GCC warnings (for developers)])],
591 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
593 gl_gcc_warnings=$enableval],
597 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
598 # ------------------------------------------------
599 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
600 # Otherwise, run RUN-IF-NOT-FOUND.
601 AC_DEFUN([gl_GCC_VERSION_IFELSE],
605 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
608 # error "your version of gcc is older than $1.$2"
615 # When compiling with GCC, prefer -isystem to -I when including system
616 # include files, to avoid generating useless diagnostics for the files.
617 if test "$gl_gcc_warnings" != yes; then
622 # This, $nw, is the list of warnings we disable.
625 case $with_x_toolkit in
626 lucid | athena | motif)
627 # Old toolkits mishandle 'const'.
628 nw="$nw -Wwrite-strings"
631 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
634 AC_SUBST([WERROR_CFLAGS])
636 nw="$nw -Waggregate-return" # anachronistic
637 nw="$nw -Wlong-long" # C90 is anachronistic
638 nw="$nw -Wc++-compat" # We don't care about C++ compilers
639 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
640 nw="$nw -Wtraditional" # Warns on #elif which we use often
641 nw="$nw -Wcast-qual" # Too many warnings for now
642 nw="$nw -Wconversion" # Too many warnings for now
643 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
644 nw="$nw -Wsign-conversion" # Too many warnings for now
645 nw="$nw -Woverlength-strings" # Not a problem these days
646 nw="$nw -Wtraditional-conversion" # Too many warnings for now
647 nw="$nw -Wpadded" # Our structs are not padded
648 nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc.
649 nw="$nw -Wlogical-op" # any use of fwrite provokes this
650 nw="$nw -Wformat-nonliteral" # Emacs does this a lot
651 nw="$nw -Wvla" # warnings in gettext.h
652 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
653 nw="$nw -Wswitch-enum" # Too many warnings for now
654 nw="$nw -Wswitch-default" # Too many warnings for now
655 nw="$nw -Wfloat-equal" # e.g., ftoastr.c
656 nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p
658 # Emacs doesn't care about shadowing; see
659 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
662 # The following lines should be removable at some point.
663 nw="$nw -Wstack-protector"
664 nw="$nw -Wstrict-overflow"
665 nw="$nw -Wsuggest-attribute=const"
666 nw="$nw -Wsuggest-attribute=pure"
668 gl_MANYWARN_ALL_GCC([ws])
669 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
673 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
674 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
675 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
676 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
677 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
678 gl_WARN_ADD([-Wno-format-nonliteral])
680 # In spite of excluding -Wlogical-op above, it is enabled, as of
681 # gcc 4.5.0 20090517.
682 gl_WARN_ADD([-Wno-logical-op])
684 gl_WARN_ADD([-fdiagnostics-show-option])
685 gl_WARN_ADD([-funit-at-a-time])
687 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
688 AC_DEFINE([_FORTIFY_SOURCE], [2],
689 [enable compile-time and run-time bounds-checking, and some warnings])
690 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
692 # We use a slightly smaller set of warning options for lib/.
693 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
695 nw="$nw -Wunused-macros"
697 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
698 AC_SUBST([GNULIB_WARN_CFLAGS])
703 dnl Some other nice autoconf tests.
704 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
707 dnl if test "x$RANLIB" = x; then
711 AC_PATH_PROG(INSTALL_INFO, install-info)
712 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
713 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
714 dnl Don't use GZIP, which is used by gzip for additional parameters.
715 AC_PATH_PROG(GZIP_PROG, gzip)
718 ## Need makeinfo >= 4.7 (?) to build the manuals.
719 AC_PATH_PROG(MAKEINFO, makeinfo, no)
720 dnl By this stage, configure has already checked for egrep and set EGREP,
721 dnl or exited with an error if no egrep was found.
722 if test "$MAKEINFO" != "no" && \
723 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
727 ## Makeinfo is unusual. For a released Emacs, the manuals are
728 ## pre-built, and not deleted by the normal clean rules. makeinfo is
729 ## therefore in the category of "special tools" not normally required, which
730 ## configure does not have to check for (eg autoconf itself).
731 ## In a Bazaar checkout on the other hand, the manuals are not included.
732 ## So makeinfo is a requirement to build from Bazaar, and configure
733 ## should test for it as it does for any other build requirement.
734 ## We use the presence of $srcdir/info/emacs to distinguish a release,
735 ## with pre-built manuals, from a Bazaar checkout.
738 if test "$MAKEINFO" = "no"; then
740 if test "x${with_makeinfo}" = "xno"; then
742 elif test ! -e $srcdir/info/emacs; then
743 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
744 source tree does not seem to have pre-built manuals in the `info' directory.
745 Either install a suitable version of makeinfo, or re-run configure
746 with the `--without-makeinfo' option to build without the manuals.] )
749 AC_SUBST(HAVE_MAKEINFO)
751 dnl Just so that there is only a single place we need to edit.
757 dnl Add our options to ac_link now, after it is set up.
759 if test x$GCC = xyes; then
760 test "x$GCC_LINK_TEST_OPTIONS" != x && \
761 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
763 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
764 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
767 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
768 dnl If we can link with the flag, it shouldn't do any harm anyhow.
769 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
770 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
771 dnl if not built to support GNU ld.
773 late_LDFLAGS=$LDFLAGS
774 if test x$GCC = xyes; then
775 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
777 LDFLAGS="$LDFLAGS -znocombreloc"
780 AC_MSG_CHECKING([for -znocombreloc])
781 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
782 [AC_MSG_RESULT(yes)],
783 LDFLAGS=$late_LDFLAGS
787 dnl The function dump-emacs will not be defined and temacs will do
788 dnl (load "loadup") automatically unless told otherwise.
789 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
791 your-opsys-here) CANNOT_DUMP=yes ;;
794 test "$CANNOT_DUMP" = "yes" && \
795 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
797 AC_SUBST(CANNOT_DUMP)
802 # MSDOS uses unexcoff.o
803 # MSWindows uses unexw32.o
811 UNEXEC_OBJ=unexmacosx.o
814 UNEXEC_OBJ=unexhp9k800.o
817 # Use the Solaris dldump() function, called from unexsol.c, to dump
818 # emacs, instead of the generic ELF dump code found in unexelf.c.
819 # The resulting binary has a complete symbol table, and is better
820 # for debugging and other observability tools (debuggers, pstack, etc).
822 # If you encounter a problem using dldump(), please consider sending
823 # a message to the OpenSolaris tools-linking mailing list:
824 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
826 # It is likely that dldump() works with older Solaris too, but this has
827 # not been tested, so for now this change is for Solaris 10 or newer.
835 ## Let `ld' find image libs and similar things in /usr/local/lib.
836 ## The system compiler, GCC, has apparently been modified to not
837 ## look there, contrary to what a stock GCC would do.
838 ### It's not our place to do this. See bug#10313#17.
839 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
844 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
845 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
849 ### It's not our place to do this. See bug#10313#17.
850 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
855 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
856 ## otherwise Emacs dumps core on elf systems.
857 LD_SWITCH_SYSTEM="-Z"
860 AC_SUBST(LD_SWITCH_SYSTEM)
862 ac_link="$ac_link $LD_SWITCH_SYSTEM"
864 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
865 ## which has not been defined yet. When this was handled with cpp,
866 ## it was expanded to null when configure sourced the s/*.h file.
867 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
868 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
869 ## (or somesuch), but because it is supposed to go at the _front_
870 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
871 ## Compare with the gnu-linux case below, which added to the end
872 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
873 ## LD_SWITCH_SYSTEM_TEMACS.
876 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
883 AC_CHECK_DECL([__ELF__])
884 if test "$ac_cv_have_decl___ELF__" = "yes"; then
885 ## With ELF, make sure that all common symbols get allocated to in the
886 ## data section. Otherwise, the dump of temacs may miss variables in
887 ## the shared library that have been initialized. For example, with
888 ## GNU libc, __malloc_initialized would normally be resolved to the
889 ## shared library's .bss section, which is fatal.
890 if test "x$GCC" = "xyes"; then
891 C_SWITCH_MACHINE="-fno-common"
893 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
896 UNEXEC_OBJ=unexalpha.o
900 AC_SUBST(C_SWITCH_MACHINE)
905 ## Some programs in src produce warnings saying certain subprograms
906 ## are too complex and need a MAXMEM value greater than 2000 for
907 ## additional optimization. --nils@exp-math.uni-essen.de
908 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
909 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
910 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
911 ## It is redundant in glibc2, since we define _GNU_SOURCE.
912 AC_SUBST(C_SWITCH_SYSTEM)
917 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
918 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
920 freebsd) LIBS_SYSTEM="-lutil" ;;
922 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
924 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
926 ## Motif needs -lgen.
927 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
929 AC_SUBST(LIBS_SYSTEM)
932 ### Make sure subsequent tests use flags consistent with the build flags.
934 if test x"${OVERRIDE_CPPFLAGS}" != x; then
935 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
937 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
940 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
941 AC_DEFUN([AC_TYPE_SIZE_T])
942 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
943 AC_DEFUN([AC_TYPE_UID_T])
950 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
954 START_FILES='pre-crt0.o'
957 ## Adding -lm confuses the dynamic linker, so omit it.
959 START_FILES='pre-crt0.o'
962 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
963 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
965 gnu-linux | gnu-kfreebsd )
966 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
967 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
971 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
973 dnl NB this may be adjusted below.
975 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
976 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
981 AC_SUBST(START_FILES)
983 dnl Not all platforms use crtn.o files. Check if the current one does.
986 for file in x $LIB_STANDARD $START_FILES; do
988 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
992 if test "x$crt_files" != x; then
994 ## If user specified a crt-dir, use that unconditionally.
997 if test "X$CRT_DIR" = "X"; then
999 CRT_DIR=/usr/lib # default
1001 case "$canonical" in
1002 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1003 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1004 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1005 ## For anything else (eg /usr/lib32), it is up the user to specify
1006 ## the location (bug#5655).
1007 ## Test for crtn.o, not just the directory, because sometimes the
1008 ## directory exists but does not have the relevant files (bug#1287).
1009 ## FIXME better to test for binary compatibility somehow.
1010 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1013 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1017 hpux10-20) CRT_DIR=/lib ;;
1020 test "x${GCC}" = xyes && crt_gcc=yes
1026 for file in $crt_files; do
1028 ## If we're using gcc, try to determine it automatically by asking
1029 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1030 ## system-dependent default from above.]
1031 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1033 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1036 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1041 dnl We expect all the files to be in a single directory, so after the
1042 dnl first there is no point asking gcc.
1045 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1048 test "x$crt_missing" = x || \
1049 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1050 Try using the --with-crt-dir option.])
1052 fi # crt_files != ""
1058 if test -f $CRT_DIR/crti.o; then
1060 test -f $CRT_DIR/crtn.o || \
1061 AC_MSG_ERROR([Required file not found: crtn.o])
1063 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1064 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1070 dnl This function definition taken from Gnome 2.0
1071 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1072 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1073 dnl also defines GSTUFF_PKG_ERRORS on error
1074 AC_DEFUN([PKG_CHECK_MODULES], [
1077 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1079 if test "$PKG_CONFIG" = "no" ; then
1080 ifelse([$4], , [AC_MSG_ERROR([
1081 *** 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])
1083 PKG_CONFIG_MIN_VERSION=0.9.0
1084 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1085 AC_MSG_CHECKING(for $2)
1087 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1088 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1089 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1096 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1097 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1098 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1104 ## If we have a custom action on failure, don't print errors, but
1105 ## do set a variable so people can do so.
1106 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1107 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1113 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1114 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1118 if test $succeeded = yes; then
1119 ifelse([$3], , :, [$3])
1121 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.])], [$4])
1126 if test "${with_sound}" != "no"; then
1127 # Sound support for GNU/Linux and the free BSDs.
1128 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1129 have_sound_header=yes)
1130 # Emulation library used on NetBSD.
1131 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1135 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1136 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1137 if test $HAVE_ALSA = yes; then
1138 SAVE_CFLAGS="$CFLAGS"
1140 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1141 LIBS="$ALSA_LIBS $LIBS"
1142 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1143 emacs_alsa_normal=yes,
1144 emacs_alsa_normal=no)
1145 if test "$emacs_alsa_normal" != yes; then
1146 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1147 [[snd_lib_error_set_handler (0);]])],
1148 emacs_alsa_subdir=yes,
1149 emacs_alsa_subdir=no)
1150 if test "$emacs_alsa_subdir" != yes; then
1151 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1153 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1156 CFLAGS="$SAVE_CFLAGS"
1158 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1159 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1160 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1163 dnl Define HAVE_SOUND if we have sound support. We know it works and
1164 dnl compiles only on the specified platforms. For others, it
1165 dnl probably doesn't make sense to try.
1166 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1168 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1169 gnu-linux|freebsd|netbsd)
1170 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1175 AC_SUBST(CFLAGS_SOUND)
1178 dnl checks for header files
1179 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1180 linux/version.h sys/systeminfo.h \
1181 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1182 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1183 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1185 AC_MSG_CHECKING(if personality LINUX32 can be set)
1186 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1187 emacs_cv_personality_linux32=yes,
1188 emacs_cv_personality_linux32=no)
1189 AC_MSG_RESULT($emacs_cv_personality_linux32)
1191 if test $emacs_cv_personality_linux32 = yes; then
1192 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1193 [Define to 1 if personality LINUX32 can be set.])
1196 dnl On Solaris 8 there's a compilation warning for term.h because
1197 dnl it doesn't define `bool'.
1198 AC_CHECK_HEADERS(term.h, , , -)
1200 AC_CHECK_DECLS([sys_siglist])
1201 if test $ac_cv_have_decl_sys_siglist != yes; then
1202 # For Tru64, at least:
1203 AC_CHECK_DECLS([__sys_siglist])
1204 if test $ac_cv_have_decl___sys_siglist = yes; then
1205 AC_DEFINE(sys_siglist, __sys_siglist,
1206 [Define to any substitute for sys_siglist.])
1211 dnl Some systems have utime.h but don't declare the struct anyplace.
1212 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1213 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1214 #include <sys/time.h>
1217 #ifdef HAVE_SYS_TIME_H
1218 #include <sys/time.h>
1225 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1226 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1227 if test $emacs_cv_struct_utimbuf = yes; then
1228 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1231 dnl Check for speed_t typedef.
1232 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1233 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1234 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1235 if test $emacs_cv_speed_t = yes; then
1236 AC_DEFINE(HAVE_SPEED_T, 1,
1237 [Define to 1 if `speed_t' is declared by <termios.h>.])
1240 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1241 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1242 #include <sys/time.h>
1245 #ifdef HAVE_SYS_TIME_H
1246 #include <sys/time.h>
1250 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1251 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1252 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1253 if test $emacs_cv_struct_timeval = yes; then
1254 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1257 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1258 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1259 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1260 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1261 HAVE_EXCEPTION=$emacs_cv_struct_exception
1262 if test $emacs_cv_struct_exception != yes; then
1263 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1266 AC_CHECK_HEADERS(sys/socket.h)
1267 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1268 #if HAVE_SYS_SOCKET_H
1269 #include <sys/socket.h>
1271 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1272 #if HAVE_SYS_SOCKET_H
1273 #include <sys/socket.h>
1275 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1276 #if HAVE_SYS_SOCKET_H
1277 #include <sys/socket.h>
1279 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1281 dnl checks for structure members
1282 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1283 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1284 struct ifreq.ifr_addr,
1285 struct ifreq.ifr_addr.sa_len], , ,
1286 [AC_INCLUDES_DEFAULT
1287 #if HAVE_SYS_SOCKET_H
1288 #include <sys/socket.h>
1294 dnl Check for endianness.
1297 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1298 [emacs_cv_attribute_aligned],
1301 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1303 [emacs_cv_attribute_aligned=yes],
1304 [emacs_cv_attribute_aligned=no])])
1305 if test $emacs_cv_attribute_aligned = yes; then
1306 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1307 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1310 dnl check for Make feature
1316 dnl check for GNU Make if we have GCC and autodepend is on.
1317 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1318 AC_MSG_CHECKING([whether we are using GNU Make])
1320 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1321 if test "x$testval" != x; then
1324 ac_enable_autodepend=no
1326 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1327 if test $HAVE_GNU_MAKE = yes; then
1328 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1329 SAVE_CFLAGS="$CFLAGS"
1330 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1331 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1332 CFLAGS="$SAVE_CFLAGS"
1333 test -f deps.d || ac_enable_autodepend=no
1335 AC_MSG_RESULT([$ac_enable_autodepend])
1337 if test $ac_enable_autodepend = yes; then
1338 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1339 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1340 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1341 deps_frag=autodeps.mk
1344 deps_frag=$srcdir/src/$deps_frag
1347 AC_SUBST_FILE(deps_frag)
1350 lisp_frag=$srcdir/src/lisp.mk
1351 AC_SUBST_FILE(lisp_frag)
1354 dnl checks for operating system services
1355 AC_SYS_LONG_FILE_NAMES
1357 #### Choose a window system.
1360 if test "$no_x" = yes; then
1366 LD_SWITCH_X_SITE_RPATH=
1367 if test "${x_libraries}" != NONE; then
1368 if test -n "${x_libraries}"; then
1369 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1370 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1372 x_default_search_path=""
1373 x_search_path=${x_libraries}
1374 if test -z "${x_search_path}"; then
1375 x_search_path=/usr/lib
1377 for x_library in `echo ${x_search_path}: | \
1378 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1380 ${x_library}/X11/%L/%T/%N%C%S:\
1381 ${x_library}/X11/%l/%T/%N%C%S:\
1382 ${x_library}/X11/%T/%N%C%S:\
1383 ${x_library}/X11/%L/%T/%N%S:\
1384 ${x_library}/X11/%l/%T/%N%S:\
1385 ${x_library}/X11/%T/%N%S"
1386 if test x"${x_default_search_path}" = x; then
1387 x_default_search_path=${x_search_path}
1389 x_default_search_path="${x_search_path}:${x_default_search_path}"
1393 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1395 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1396 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1399 if test x"${x_includes}" = x; then
1400 bitmapdir=/usr/include/X11/bitmaps
1402 # accumulate include directories that have X11 bitmap subdirectories
1404 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1405 if test -d "${bmd}/X11/bitmaps"; then
1406 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1408 if test -d "${bmd}/bitmaps"; then
1409 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1412 if test ${bmd_acc} != "dummyval"; then
1413 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1420 tmp_CPPFLAGS="$CPPFLAGS"
1421 tmp_CFLAGS="$CFLAGS"
1422 CPPFLAGS="$CPPFLAGS -x objective-c"
1423 CFLAGS="$CFLAGS -x objective-c"
1424 TEMACS_LDFLAGS2="\${LDFLAGS}"
1426 if test "${with_ns}" != no; then
1427 if test "${opsys}" = darwin; then
1429 ns_appdir=`pwd`/nextstep/Emacs.app
1430 ns_appbindir=${ns_appdir}/Contents/MacOS
1431 ns_appresdir=${ns_appdir}/Contents/Resources
1432 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1433 elif test -f $GNUSTEP_CONFIG_FILE; then
1435 ns_appdir=`pwd`/nextstep/Emacs.app
1436 ns_appbindir=${ns_appdir}
1437 ns_appresdir=${ns_appdir}/Resources
1438 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1439 dnl FIXME sourcing this several times in subshells seems inefficient.
1440 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1441 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1442 dnl I seemed to need these as well with GNUstep-startup 0.25.
1443 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1444 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1445 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1446 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1447 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1448 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1449 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1450 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1451 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1455 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1456 dnl If they had chosen to either define it or not, we could have
1457 dnl just used AC_CHECK_DECL here.
1458 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1459 emacs_cv_objc_exceptions,
1460 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1461 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1465 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1466 if test $emacs_cv_objc_exceptions = yes; then
1467 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1468 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1469 [Define if GNUstep uses ObjC exceptions.])
1470 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1474 dnl This is only used while we test the NS headers, it gets reset below.
1475 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1477 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1478 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1479 files are missing or cannot be compiled.])])
1480 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1482 ns_have_nsinteger=yes,
1483 ns_have_nsinteger=no)
1484 if test $ns_have_nsinteger = yes; then
1485 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1488 AC_SUBST(TEMACS_LDFLAGS2)
1490 INSTALL_ARCH_INDEP_EXTRA=install-etc
1491 ns_self_contained=no
1495 if test "${HAVE_NS}" = yes; then
1496 if test "$with_toolkit_scroll_bars" = "no"; then
1497 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1500 window_system=nextstep
1502 # set up packaging dirs
1503 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1504 ns_self_contained=yes
1505 prefix=${ns_appresdir}
1506 exec_prefix=${ns_appbindir}
1507 dnl This one isn't really used, only archlibdir is.
1508 libexecdir="\${ns_appbindir}/libexec"
1509 archlibdir="\${ns_appbindir}/libexec"
1510 docdir="\${ns_appresdir}/etc"
1511 etcdir="\${ns_appresdir}/etc"
1512 dnl FIXME maybe set datarootdir instead.
1513 dnl That would also get applications, icons, man.
1514 infodir="\${ns_appresdir}/info"
1515 mandir="\${ns_appresdir}/man"
1516 lispdir="\${ns_appresdir}/lisp"
1517 leimdir="\${ns_appresdir}/leim"
1518 INSTALL_ARCH_INDEP_EXTRA=
1520 ns_frag=$srcdir/src/ns.mk
1521 NS_OBJ="fontset.o fringe.o image.o"
1522 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1524 CFLAGS="$tmp_CFLAGS"
1525 CPPFLAGS="$tmp_CPPFLAGS"
1526 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1527 AC_SUBST(ns_self_contained)
1529 AC_SUBST(NS_OBJC_OBJ)
1530 AC_SUBST(LIB_STANDARD)
1531 AC_SUBST_FILE(ns_frag)
1533 case "${window_system}" in
1537 case "${with_x_toolkit}" in
1538 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1539 motif ) USE_X_TOOLKIT=MOTIF ;;
1541 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1542 dnl USE_X_TOOLKIT is set.
1543 USE_X_TOOLKIT=none ;;
1544 gtk3 ) with_gtk3=yes
1545 USE_X_TOOLKIT=none ;;
1546 no ) USE_X_TOOLKIT=none ;;
1547 dnl If user did not say whether to use a toolkit, make this decision later:
1548 dnl use the toolkit if we have gtk, or X11R5 or newer.
1549 * ) USE_X_TOOLKIT=maybe ;;
1559 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1560 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1561 if test "$HAVE_XSERVER" = true ||
1562 test -n "$DISPLAY" ||
1563 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1564 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1565 were found. You should install the relevant development files for X
1566 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1567 sure you have development files for image handling, i.e.
1568 tiff, gif, jpeg, png and xpm.
1569 If you are sure you want Emacs compiled without X window support, pass
1575 ### If we're using X11, we should use the X menu package.
1578 yes ) HAVE_MENUS=yes ;;
1581 # Does the opsystem file prohibit the use of the GNU malloc?
1582 # Assume not, until told otherwise.
1586 [whether malloc is Doug Lea style],
1587 [emacs_cv_var_doug_lea_malloc],
1590 [[#include <malloc.h>
1591 static void hook (void) {}]],
1592 [[malloc_set_state (malloc_get_state ());
1593 __after_morecore_hook = hook;
1594 __malloc_initialize_hook = hook;]])],
1595 [emacs_cv_var_doug_lea_malloc=yes],
1596 [emacs_cv_var_doug_lea_malloc=no])])
1597 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1600 dnl See comments in aix4-2.h about maybe using system malloc there.
1603 ## darwin ld insists on the use of malloc routines in the System framework.
1604 darwin|sol2-10) system_malloc=yes ;;
1607 if test "${system_malloc}" = "yes"; then
1608 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1611 (The GNU allocators don't work with this system configuration.)"
1615 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1616 VMLIMIT_OBJ=vm-limit.o
1618 AC_SUBST(GMALLOC_OBJ)
1619 AC_SUBST(VMLIMIT_OBJ)
1621 if test "$doug_lea_malloc" = "yes" ; then
1622 if test "$GNU_MALLOC" = yes ; then
1624 (Using Doug Lea's new malloc from the GNU C Library.)"
1626 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1627 [Define to 1 if you are using the GNU C Library.])
1629 ## Use mmap directly for allocating larger buffers.
1630 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1631 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1632 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1634 gnu*) REL_ALLOC=no ;;
1638 if test x"${REL_ALLOC}" = x; then
1639 REL_ALLOC=${GNU_MALLOC}
1642 use_mmap_for_buffers=no
1644 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1648 if test $use_mmap_for_buffers = yes; then
1649 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1653 LIBS="$LIBS_SYSTEM $LIBS"
1655 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1656 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1657 AC_CHECK_LIB(dnet, dnet_ntoa)
1658 dnl This causes -lresolv to get used in subsequent tests,
1659 dnl which causes failures on some systems such as HPUX 9.
1660 dnl AC_CHECK_LIB(resolv, gethostbyname)
1662 dnl FIXME replace main with a function we actually want from this library.
1663 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1665 dnl Check if pthreads is available.
1667 AC_CHECK_HEADERS(pthread.h)
1668 if test "$ac_cv_header_pthread_h"; then
1669 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1670 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1671 dnl testing for pthread_self if Emacs uses gmalloc.c.
1672 if test "$GMALLOC_OBJ" = gmalloc.o; then
1673 emacs_pthread_function=pthread_atfork
1675 emacs_pthread_function=pthread_self
1677 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1679 if test "$HAVE_PTHREAD" = yes; then
1680 case "${canonical}" in
1682 *) LIB_PTHREAD="-lpthread"
1683 LIBS="$LIB_PTHREAD $LIBS" ;;
1685 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1687 AC_SUBST([LIB_PTHREAD])
1689 AC_CHECK_LIB(pthreads, cma_open)
1691 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1692 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1693 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1694 ## added to LIBS in configure would never contain the pthreads part,
1695 ## but the value used in Makefiles might. FIXME?
1697 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1698 ## be harmless on older versions of X where it happens to exist.
1699 test "$opsys" = "aix4-2" && \
1700 test $ac_cv_lib_pthreads_cma_open = yes && \
1701 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1703 dnl Check for need for bigtoc support on IBM AIX
1707 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1709 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1710 *) gdb_cv_bigtoc=-bbigtoc ;;
1713 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1714 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1719 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1720 # used for the tests that follow. We set them back to REAL_CFLAGS and
1721 # REAL_CPPFLAGS later on.
1723 REAL_CFLAGS="$CFLAGS"
1724 REAL_CPPFLAGS="$CPPFLAGS"
1726 if test "${HAVE_X11}" = "yes"; then
1727 DEFS="$C_SWITCH_X_SITE $DEFS"
1728 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1730 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1731 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1733 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1734 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1735 # but it's more convenient here to set LD_RUN_PATH since this
1736 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1737 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1738 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1742 if test "${opsys}" = "gnu-linux"; then
1743 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1744 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1745 [[XOpenDisplay ("foo");]])],
1746 [xgnu_linux_first_failure=no],
1747 [xgnu_linux_first_failure=yes])
1748 if test "${xgnu_linux_first_failure}" = "yes"; then
1749 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1750 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1751 OLD_CPPFLAGS="$CPPFLAGS"
1753 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1754 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1755 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1756 LIBS="$LIBS -b i486-linuxaout"
1757 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1758 [[XOpenDisplay ("foo");]])],
1759 [xgnu_linux_second_failure=no],
1760 [xgnu_linux_second_failure=yes])
1761 if test "${xgnu_linux_second_failure}" = "yes"; then
1762 # If we get the same failure with -b, there is no use adding -b.
1763 # So take it out. This plays safe.
1764 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1765 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1766 CPPFLAGS="$OLD_CPPFLAGS"
1777 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1778 # header files included from there.
1779 AC_MSG_CHECKING(for Xkb)
1780 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1781 #include <X11/XKBlib.h>]],
1782 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1783 emacs_xkb=yes, emacs_xkb=no)
1784 AC_MSG_RESULT($emacs_xkb)
1785 if test $emacs_xkb = yes; then
1786 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1789 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1790 XScreenNumberOfScreen)
1793 if test "${window_system}" = "x11"; then
1794 AC_MSG_CHECKING(X11 version 6)
1795 AC_CACHE_VAL(emacs_cv_x11_version_6,
1796 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1797 [[#if XlibSpecificationRelease < 6
1800 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1801 if test $emacs_cv_x11_version_6 = yes; then
1802 AC_MSG_RESULT(6 or newer)
1803 AC_DEFINE(HAVE_X11R6, 1,
1804 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1805 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1806 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1810 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1811 [Define if you have usable X11R6-style XIM support.])
1815 AC_MSG_RESULT(before 6)
1820 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1822 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1823 if test "${with_rsvg}" != "no"; then
1824 RSVG_REQUIRED=2.11.0
1825 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1827 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1828 AC_SUBST(RSVG_CFLAGS)
1831 if test $HAVE_RSVG = yes; then
1832 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1833 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1834 LIBS="$RSVG_LIBS $LIBS"
1840 if test "${HAVE_X11}" = "yes"; then
1841 if test "${with_imagemagick}" != "no"; then
1842 ## 6.2.8 is the earliest version known to work, but earlier versions
1843 ## might work - let us know if you find one.
1844 ## 6.0.7 does not work. See bug#7955.
1845 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1846 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1847 AC_SUBST(IMAGEMAGICK_CFLAGS)
1848 AC_SUBST(IMAGEMAGICK_LIBS)
1850 if test $HAVE_IMAGEMAGICK = yes; then
1851 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1852 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1853 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1854 AC_CHECK_FUNCS(MagickExportImagePixels)
1862 if test "${with_gtk3}" = "yes"; then
1865 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1867 dnl Checks for libraries.
1868 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1869 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1870 AC_MSG_ERROR($GTK_PKG_ERRORS)
1872 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1873 GTK_OBJ=emacsgtkfixed.o
1876 if test "$pkg_check_gtk" != "yes"; then
1878 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1881 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1883 dnl Checks for libraries.
1884 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1885 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1886 AC_MSG_ERROR($GTK_PKG_ERRORS)
1891 if test x"$pkg_check_gtk" = xyes; then
1893 AC_SUBST(GTK_CFLAGS)
1895 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1896 CFLAGS="$CFLAGS $GTK_CFLAGS"
1897 LIBS="$GTK_LIBS $LIBS"
1898 dnl Try to compile a simple GTK program.
1900 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1901 if test "${GTK_COMPILES}" != "yes"; then
1902 if test "$USE_X_TOOLKIT" != "maybe"; then
1903 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1907 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1908 GTK_OBJ="gtkutil.o $GTK_OBJ"
1910 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1913 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1914 closing open displays. This is no problem if you just use
1915 one display, but if you use more than one and close one of them
1925 if test "${HAVE_GTK}" = "yes"; then
1927 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1928 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1929 if test "$with_toolkit_scroll_bars" != no; then
1930 with_toolkit_scroll_bars=yes
1933 dnl Check if we have the old file selection dialog declared and
1934 dnl in the link library. In 2.x it may be in the library,
1935 dnl but not declared if deprecated featured has been selected out.
1936 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1937 HAVE_GTK_FILE_SELECTION=no
1938 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1939 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1940 #include <gtk/gtk.h>])
1941 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1942 AC_CHECK_FUNCS(gtk_file_selection_new)
1946 dnl Check for functions introduced in 2.14 and later.
1947 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1948 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1949 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1950 gtk_orientable_set_orientation \
1951 gtk_window_set_has_resize_grip)
1954 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1955 dnl other platforms.
1958 if test "${with_dbus}" = "yes"; then
1959 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1960 if test "$HAVE_DBUS" = yes; then
1961 LIBS="$LIBS $DBUS_LIBS"
1962 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1963 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
1964 dnl dbus_validate_* have been introduced in D-Bus 1.5.12.
1965 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
1966 dbus_validate_bus_name \
1967 dbus_validate_path \
1968 dbus_validate_interface \
1969 dbus_validate_member)
1975 dnl GSettings has been tested under GNU/Linux only.
1977 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
1978 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
1979 if test "$HAVE_GSETTINGS" = "yes"; then
1980 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
1981 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
1982 SETTINGS_LIBS="$GSETTINGS_LIBS"
1986 dnl GConf has been tested under GNU/Linux only.
1987 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1989 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1990 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1991 if test "$HAVE_GCONF" = yes; then
1992 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1993 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1994 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
1995 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
1999 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2000 SAVE_CFLAGS="$CFLAGS"
2002 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2003 LIBS="$SETTINGS_LIBS $LIBS"
2004 AC_CHECK_FUNCS([g_type_init])
2005 CFLAGS="$SAVE_CFLAGS"
2008 AC_SUBST(SETTINGS_CFLAGS)
2009 AC_SUBST(SETTINGS_LIBS)
2012 dnl SELinux is available for GNU/Linux only.
2015 if test "${with_selinux}" = "yes"; then
2016 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2017 if test "$HAVE_LIBSELINUX" = yes; then
2018 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2019 LIBSELINUX_LIBS=-lselinux
2022 AC_SUBST(LIBSELINUX_LIBS)
2025 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2026 if test "${with_gnutls}" = "yes" ; then
2027 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2028 if test "${HAVE_GNUTLS}" = "yes"; then
2029 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2032 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2033 LIBS="$LIBGNUTLS_LIBS $LIBS"
2034 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2036 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2037 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2041 AC_SUBST(LIBGNUTLS_LIBS)
2042 AC_SUBST(LIBGNUTLS_CFLAGS)
2044 dnl Do not put whitespace before the #include statements below.
2045 dnl Older compilers (eg sunos4 cc) choke on it.
2048 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2049 if test "$with_xaw3d" != no; then
2050 AC_MSG_CHECKING(for xaw3d)
2051 AC_CACHE_VAL(emacs_cv_xaw3d,
2052 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2053 #include <X11/Intrinsic.h>
2054 #include <X11/Xaw3d/Simple.h>]],
2056 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2057 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2058 emacs_cv_xaw3d=no)])
2062 if test $emacs_cv_xaw3d = yes; then
2063 AC_MSG_RESULT([yes; using Lucid toolkit])
2067 AC_DEFINE(HAVE_XAW3D, 1,
2068 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2071 AC_MSG_CHECKING(for libXaw)
2072 AC_CACHE_VAL(emacs_cv_xaw,
2073 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2074 #include <X11/Intrinsic.h>
2075 #include <X11/Xaw/Simple.h>]],
2079 if test $emacs_cv_xaw = yes; then
2080 AC_MSG_RESULT([yes; using Lucid toolkit])
2083 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2084 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2086 AC_MSG_ERROR([No X toolkit could be found.
2087 If you are sure you want Emacs compiled without an X toolkit, pass
2089 to configure. Otherwise, install the development libraries for the toolkit
2090 that you want to use (e.g. Gtk+) and re-run configure.])
2095 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2098 if test "${USE_X_TOOLKIT}" != "none"; then
2099 AC_MSG_CHECKING(X11 toolkit version)
2100 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2101 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2102 [[#if XtSpecificationRelease < 6
2105 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2106 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2107 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2108 AC_MSG_RESULT(6 or newer)
2109 AC_DEFINE(HAVE_X11XTR6, 1,
2110 [Define to 1 if you have the X11R6 or newer version of Xt.])
2111 LIBXTR6="-lSM -lICE"
2113 ## Use libw.a along with X11R6 Xt.
2114 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2117 AC_MSG_RESULT(before 6)
2120 dnl If using toolkit, check whether libXmu.a exists.
2121 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2123 if test x$HAVE_X11XTR6 = xyes; then
2124 LIBS="-lXt -lSM -lICE $LIBS"
2128 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2129 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2133 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2134 dnl Why not just test for libxmu in the normal way?
2137 ## These systems don't supply Xmu.
2139 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2144 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2145 if test "${HAVE_X11}" = "yes"; then
2146 if test "${USE_X_TOOLKIT}" != "none"; then
2147 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2152 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2153 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2154 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2155 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2158 Motif version prior to 2.1.
2160 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2161 if test $emacs_cv_motif_version_2_1 = yes; then
2162 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2164 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2165 # We put this in CFLAGS temporarily to precede other -I options
2166 # that might be in CFLAGS temporarily.
2167 # We put this in CPPFLAGS where it precedes the other -I options.
2168 OLD_CPPFLAGS=$CPPFLAGS
2170 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2171 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2172 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2174 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2175 if test $emacs_cv_lesstif = yes; then
2176 # Make sure this -I option remains in CPPFLAGS after it is set
2177 # back to REAL_CPPFLAGS.
2178 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2179 # have those other -I options anyway. Ultimately, having this
2180 # directory ultimately in CPPFLAGS will be enough.
2181 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2182 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2185 CPPFLAGS=$OLD_CPPFLAGS
2188 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2189 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2192 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2193 dnl using Motif or Xaw3d is available, and unless
2194 dnl --with-toolkit-scroll-bars=no was specified.
2196 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2197 [Define to 1 if we should use toolkit scroll bars.])dnl
2198 USE_TOOLKIT_SCROLL_BARS=no
2199 if test "${with_toolkit_scroll_bars}" != "no"; then
2200 if test "${USE_X_TOOLKIT}" != "none"; then
2201 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2202 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2204 USE_TOOLKIT_SCROLL_BARS=yes
2205 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2206 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2207 USE_TOOLKIT_SCROLL_BARS=yes
2209 elif test "${HAVE_GTK}" = "yes"; then
2210 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2211 USE_TOOLKIT_SCROLL_BARS=yes
2212 elif test "${HAVE_NS}" = "yes"; then
2213 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2214 USE_TOOLKIT_SCROLL_BARS=yes
2218 dnl See if XIM is available.
2219 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2220 #include <X11/Xlib.h>
2221 #include <X11/Xresource.h>]],
2222 [[XIMProc callback;]])],
2224 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2227 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2229 if test "${with_xim}" != "no"; then
2230 AC_DEFINE(USE_XIM, 1,
2231 [Define to 1 if we should use XIM, if it is available.])
2235 if test "${HAVE_XIM}" != "no"; then
2237 if test "$GCC" = yes; then
2238 CFLAGS="$CFLAGS --pedantic-errors"
2240 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2241 #include <X11/Xlib.h>
2242 #include <X11/Xresource.h>]],
2248 XPointer *client_data;
2250 /* If we're not using GCC, it's probably not XFree86, and this is
2251 probably right, but we can't use something like --pedantic-errors. */
2252 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2253 char*, XIMProc, XPointer*);
2255 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2257 [emacs_cv_arg6_star=yes])
2258 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2259 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2260 either XPointer or XPointer*.])dnl
2261 if test "$emacs_cv_arg6_star" = yes; then
2262 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2264 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2269 ### Start of font-backend (under any platform) section.
2270 # (nothing here yet -- this is a placeholder)
2271 ### End of font-backend (under any platform) section.
2273 ### Start of font-backend (under X11) section.
2274 if test "${HAVE_X11}" = "yes"; then
2275 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2277 ## Use -lXft if available, unless `--with-xft=no'.
2279 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2282 if test "x${with_xft}" != "xno"; then
2284 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2285 ## Because xftfont.c uses XRenderQueryExtension, we also
2286 ## need to link to -lXrender.
2288 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2289 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2290 OLD_CPPFLAGS="$CPPFLAGS"
2291 OLD_CFLAGS="$CFLAGS"
2293 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2294 CFLAGS="$CFLAGS $XFT_CFLAGS"
2295 XFT_LIBS="-lXrender $XFT_LIBS"
2296 LIBS="$XFT_LIBS $LIBS"
2297 AC_CHECK_HEADER(X11/Xft/Xft.h,
2298 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2300 if test "${HAVE_XFT}" = "yes"; then
2301 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2303 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2305 CPPFLAGS="$OLD_CPPFLAGS"
2306 CFLAGS="$OLD_CFLAGS"
2308 fi # "${HAVE_XFT}" = "yes"
2309 fi # "$HAVE_XFT" != no
2310 fi # "x${with_xft}" != "xno"
2312 ## We used to allow building with FreeType and without Xft.
2313 ## However, the ftx font backend driver is not in good shape.
2314 if test "$HAVE_XFT" != "yes"; then
2315 dnl For the "Does Emacs use" message at the end.
2319 dnl Strict linkers fail with
2320 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2321 dnl if -lfreetype is not specified.
2322 dnl The following is needed to set FREETYPE_LIBS.
2323 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2326 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2330 if test "${HAVE_FREETYPE}" = "yes"; then
2331 AC_DEFINE(HAVE_FREETYPE, 1,
2332 [Define to 1 if using the freetype and fontconfig libraries.])
2333 if test "${with_libotf}" != "no"; then
2334 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2336 if test "$HAVE_LIBOTF" = "yes"; then
2337 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2338 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2339 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2340 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2341 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2342 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2343 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2347 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2348 dnl Does the new font backend require it, or can it work without it?
2352 if test "${HAVE_LIBOTF}" = yes; then
2353 if test "${with_m17n_flt}" != "no"; then
2354 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2355 if test "$HAVE_M17N_FLT" = "yes"; then
2356 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2367 ### End of font-backend (under X11) section.
2369 AC_SUBST(FREETYPE_CFLAGS)
2370 AC_SUBST(FREETYPE_LIBS)
2371 AC_SUBST(FONTCONFIG_CFLAGS)
2372 AC_SUBST(FONTCONFIG_LIBS)
2373 AC_SUBST(LIBOTF_CFLAGS)
2374 AC_SUBST(LIBOTF_LIBS)
2375 AC_SUBST(M17N_FLT_CFLAGS)
2376 AC_SUBST(M17N_FLT_LIBS)
2378 ### Use -lXpm if available, unless `--with-xpm=no'.
2381 if test "${HAVE_X11}" = "yes"; then
2382 if test "${with_xpm}" != "no"; then
2383 AC_CHECK_HEADER(X11/xpm.h,
2384 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2385 if test "${HAVE_XPM}" = "yes"; then
2386 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2387 AC_EGREP_CPP(no_return_alloc_pixels,
2388 [#include "X11/xpm.h"
2389 #ifndef XpmReturnAllocPixels
2390 no_return_alloc_pixels
2392 ], HAVE_XPM=no, HAVE_XPM=yes)
2394 if test "${HAVE_XPM}" = "yes"; then
2402 if test "${HAVE_XPM}" = "yes"; then
2403 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2409 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2412 if test "${HAVE_X11}" = "yes"; then
2413 if test "${with_jpeg}" != "no"; then
2414 dnl Checking for jpeglib.h can lose because of a redefinition of
2416 AC_CHECK_HEADER(jerror.h,
2417 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2420 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2421 if test "${HAVE_JPEG}" = "yes"; then
2422 AC_DEFINE(HAVE_JPEG)
2423 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2424 [#include <jpeglib.h>
2425 version=JPEG_LIB_VERSION
2427 [AC_DEFINE(HAVE_JPEG)],
2428 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2431 if test "${HAVE_JPEG}" = "yes"; then
2437 ### Use -lpng if available, unless `--with-png=no'.
2440 if test "${HAVE_X11}" = "yes"; then
2441 if test "${with_png}" != "no"; then
2442 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2443 # in /usr/include/libpng.
2444 AC_CHECK_HEADERS(png.h libpng/png.h)
2445 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2446 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2450 if test "${HAVE_PNG}" = "yes"; then
2451 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2452 LIBPNG="-lpng -lz -lm"
2457 ### Use -ltiff if available, unless `--with-tiff=no'.
2460 if test "${HAVE_X11}" = "yes"; then
2461 if test "${with_tiff}" != "no"; then
2462 AC_CHECK_HEADER(tiffio.h,
2464 # At least one tiff package requires the jpeg library.
2465 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2466 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2469 if test "${HAVE_TIFF}" = "yes"; then
2470 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2471 dnl FIXME -lz -lm, as per libpng?
2477 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2480 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2481 AC_CHECK_HEADER(gif_lib.h,
2482 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2483 # Earlier versions can crash Emacs.
2484 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2486 if test "$HAVE_GIF" = yes; then
2488 elif test "$HAVE_GIF" = maybe; then
2489 # If gif_lib.h but no libgif, try libungif.
2490 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2491 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2494 if test "${HAVE_GIF}" = "yes"; then
2495 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2500 dnl Check for required libraries.
2501 if test "${HAVE_X11}" = "yes"; then
2504 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2505 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2506 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2507 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2508 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2509 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2510 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2511 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2512 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2513 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2515 if test "X${MISSING}" != X; then
2516 AC_MSG_ERROR([The following required libraries were not found:
2518 Maybe some development libraries/packages are missing?
2519 If you don't want to link with them give
2521 as options to configure])
2525 ### Use -lgpm if available, unless `--with-gpm=no'.
2528 if test "${with_gpm}" != "no"; then
2529 AC_CHECK_HEADER(gpm.h,
2530 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2532 if test "${HAVE_GPM}" = "yes"; then
2533 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2539 dnl Check for malloc/malloc.h on darwin
2540 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.])])
2543 ### Use NeXTstep API to implement GUI.
2544 if test "${HAVE_NS}" = "yes"; then
2545 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2546 if test "${NS_IMPL_COCOA}" = "yes"; then
2547 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2549 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2550 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2551 # See also .m.o rule in Makefile.in */
2552 # FIXME: are all these flags really needed? Document here why. */
2553 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2554 ## Extra CFLAGS applied to src/*.m files.
2555 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2557 # We also have mouse menus.
2563 ### Use session management (-lSM -lICE) if available
2566 if test "${HAVE_X11}" = "yes"; then
2567 AC_CHECK_HEADER(X11/SM/SMlib.h,
2568 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2570 if test "${HAVE_X_SM}" = "yes"; then
2571 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2575 *) LIBS="$LIBXSM $LIBS" ;;
2581 ### Use libxml (-lxml2) if available
2583 if test "${with_xml2}" != "no"; then
2584 ### I'm not sure what the version number should be, so I just guessed.
2585 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2586 if test "${HAVE_LIBXML2}" = "yes"; then
2587 LIBS="$LIBXML2_LIBS $LIBS"
2588 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2589 if test "${HAVE_LIBXML2}" = "yes"; then
2590 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2597 AC_SUBST(LIBXML2_LIBS)
2598 AC_SUBST(LIBXML2_CFLAGS)
2600 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2601 AC_CACHE_CHECK(whether netdb declares h_errno,
2602 emacs_cv_netdb_declares_h_errno,
2603 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2604 [[return h_errno;]])],
2605 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2606 if test $emacs_cv_netdb_declares_h_errno = yes; then
2607 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2610 # fmod, logb, and frexp are found in -lm on most systems.
2611 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2612 AC_CHECK_LIB(m, sqrt)
2614 # Check for mail-locking functions in a "mail" library. Probably this should
2615 # have the same check as for liblockfile below.
2616 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2617 if test $have_mail = yes; then
2619 LIBS="$LIBS_MAIL $LIBS"
2620 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2624 dnl Debian, at least:
2625 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2626 if test $have_lockfile = yes; then
2627 LIBS_MAIL=-llockfile
2628 LIBS="$LIBS_MAIL $LIBS"
2629 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2631 # If we have the shared liblockfile, assume we must use it for mail
2632 # locking (e.g. Debian). If we couldn't link against liblockfile
2633 # (no liblockfile.a installed), ensure that we don't need to.
2634 dnl This works for files generally, not just executables.
2635 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2636 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2637 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2638 if test $ac_cv_prog_liblockfile = yes; then
2639 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2640 This probably means that movemail could lose mail.
2641 There may be a `development' package to install containing liblockfile.])
2644 AC_CHECK_FUNCS(touchlock)
2645 AC_CHECK_HEADERS(maillock.h)
2648 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2649 ## interlock access to the mail spool. The alternative is a lock file named
2650 ## /usr/spool/mail/$USER.lock.
2653 aix4-2) mail_lock="lockf" ;;
2655 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2657 ## On GNU/Linux systems, both methods are used by various mail programs.
2658 ## I assume most people are using newer mailers that have heard of flock.
2659 ## Change this if you need to.
2660 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2661 ## configure gets the right answers, and that means *NOT* using flock.
2662 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2663 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2664 ## Debian maintainer hasn't provided a clean fix for Emacs.
2665 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2666 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2667 ## correct logic. -- fx
2668 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2669 ## liblockfile is a Free Software replacement for libmail, used on
2670 ## Debian systems and elsewhere. -rfr.
2673 if test $have_mail = yes || test $have_lockfile = yes; then
2674 test $ac_cv_header_maillock_h = yes && mail_lock=no
2680 case "$mail_lock" in
2681 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2683 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2685 *) BLESSMAIL_TARGET="need-blessmail" ;;
2687 AC_SUBST(BLESSMAIL_TARGET)
2690 AC_CHECK_FUNCS(gethostname \
2691 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2692 random lrand48 logb frexp fmod rint cbrt setsid \
2693 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2694 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2695 __fpending strsignal setitimer \
2696 sendto recvfrom getsockname getpeername \
2697 gai_strerror mkstemp getline getdelim fsync sync \
2698 difftime posix_memalign \
2699 getpwent endpwent getgrent endgrent \
2700 cfmakeraw cfsetspeed copysign __executable_start)
2702 dnl Cannot use AC_CHECK_FUNCS
2703 AC_CACHE_CHECK([for __builtin_unwind_init],
2704 emacs_cv_func___builtin_unwind_init,
2705 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2706 emacs_cv_func___builtin_unwind_init=yes,
2707 emacs_cv_func___builtin_unwind_init=no)])
2708 if test $emacs_cv_func___builtin_unwind_init = yes; then
2709 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2710 [Define to 1 if you have the `__builtin_unwind_init' function.])
2713 AC_CHECK_HEADERS(sys/un.h)
2720 AC_CHECK_FUNCS(grantpt)
2722 # PTY-related GNU extensions.
2723 AC_CHECK_FUNCS(getpt)
2725 # Check this now, so that we will NOT find the above functions in ncurses.
2726 # That is because we have not set up to link ncurses in lib-src.
2727 # It's better to believe a function is not available
2728 # than to expect to find it in ncurses.
2729 # Also we need tputs and friends to be able to build at all.
2730 AC_MSG_CHECKING([for library containing tputs])
2731 # Run a test program that contains a call to tputs, a call that is
2732 # never executed. This tests whether a pre-'main' dynamic linker
2733 # works with the library. It's too much trouble to actually call
2734 # tputs in the test program, due to portability hassles. When
2735 # cross-compiling, assume the test program will run if it links.
2736 AC_DEFUN([tputs_link_source], [
2738 [[extern void tputs (const char *, int, int (*)(int));
2739 int main (int argc, char **argv)
2742 tputs (argv[0], 0, 0);
2746 # Maybe curses should be tried earlier?
2747 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2748 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2750 if test -z "$tputs_library"; then
2754 LIBS_TERMCAP=-l$tputs_library
2756 LIBS="$LIBS_TERMCAP $LIBS"
2758 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2759 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2761 if test "X$msg" != Xno; then
2765 AC_MSG_RESULT([$msg])
2766 if test "X$msg" = Xno; then
2767 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2768 The following libraries were tried (in order):
2769 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2770 Please try installing whichever of these libraries is most appropriate
2771 for your system, together with its header files.
2772 For example, a libncurses-dev(el) or similar package.])
2775 ## Use termcap instead of terminfo?
2776 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2778 ## FIXME? In the cases below where we unconditionally set
2779 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2780 ## if that was found above to have tputs.
2781 ## Should we use the gnu* logic everywhere?
2783 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2784 ## The ncurses library has been moved out of the System framework in
2785 ## Mac OS X 10.2. So if configure detects it, set the command-line
2786 ## option to use it.
2787 darwin) LIBS_TERMCAP="-lncurses" ;;
2789 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2792 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2793 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2794 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2795 [[#if __FreeBSD_version < 400000
2798 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2800 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2802 if test $emacs_cv_freebsd_terminfo = yes; then
2803 LIBS_TERMCAP="-lncurses"
2806 LIBS_TERMCAP="-ltermcap"
2811 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2813 LIBS_TERMCAP="-ltermcap"
2817 openbsd) LIBS_TERMCAP="-lncurses" ;;
2819 ## hpux: Make sure we get select from libc rather than from libcurses
2820 ## because libcurses on HPUX 10.10 has a broken version of select.
2821 ## We used to use -lc -lcurses, but this may be cleaner.
2822 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2823 # set that way, now it uses the default). Isn't this a contradiction?
2824 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2828 TERMCAP_OBJ=tparam.o
2829 if test $TERMINFO = yes; then
2830 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2831 TERMCAP_OBJ=terminfo.o
2833 AC_SUBST(LIBS_TERMCAP)
2834 AC_SUBST(TERMCAP_OBJ)
2837 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2839 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2840 #include <arpa/nameser.h>
2841 #include <resolv.h>]],
2842 [[return res_init();]])],
2843 have_res_init=yes, have_res_init=no)
2844 if test "$have_res_init" = no; then
2846 LIBS="$LIBS -lresolv"
2847 AC_MSG_CHECKING(for res_init with -lresolv)
2848 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2849 #include <arpa/nameser.h>
2850 #include <resolv.h>]],
2851 [[return res_init();]])],
2852 have_res_init=yes, have_res_init=no)
2853 AC_MSG_RESULT($have_res_init)
2854 if test "$have_res_init" = yes ; then
2860 if test "$have_res_init" = yes; then
2861 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2864 # Do we need the Hesiod library to provide the support routines?
2866 if test "$with_hesiod" != no ; then
2867 # Don't set $LIBS here -- see comments above. FIXME which comments?
2868 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2869 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2870 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2871 if test "$resolv" = yes ; then
2876 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2877 hesiod=yes, :, $RESOLVLIB)])
2879 if test x"$hesiod" = xyes; then
2880 AC_DEFINE(HAVE_LIBHESIOD, 1,
2881 [Define to 1 if you have the hesiod library (-lhesiod).])
2887 # Do we need libresolv (due to res_init or Hesiod)?
2888 if test "$resolv" = yes ; then
2889 AC_DEFINE(HAVE_LIBRESOLV, 1,
2890 [Define to 1 if you have the resolv library (-lresolv).])
2897 # These tell us which Kerberos-related libraries to use.
2904 if test "${with_kerberos}" != no; then
2905 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2906 if test $have_com_err = yes; then
2907 COM_ERRLIB=-lcom_err
2908 LIBS="$COM_ERRLIB $LIBS"
2909 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2911 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2912 if test $have_crypto = yes; then
2914 LIBS="$CRYPTOLIB $LIBS"
2915 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2917 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2918 if test $have_k5crypto = yes; then
2919 CRYPTOLIB=-lk5crypto
2920 LIBS="$CRYPTOLIB $LIBS"
2921 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2923 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2924 if test $have_krb5=yes; then
2926 LIBS="$KRB5LIB $LIBS"
2927 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2929 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2930 if test "${with_kerberos5}" = no; then
2931 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2932 if test $have_des425 = yes; then
2934 LIBS="$DESLIB $LIBS"
2935 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2937 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2938 if test $have_des = yes; then
2940 LIBS="$DESLIB $LIBS"
2941 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2944 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2945 if test $have_krb4 = yes; then
2947 LIBS="$KRB4LIB $LIBS"
2948 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2950 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2951 if test $have_krb = yes; then
2953 LIBS="$KRB4LIB $LIBS"
2954 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2959 if test "${with_kerberos5}" != no; then
2960 AC_CHECK_HEADERS(krb5.h,
2961 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2962 [#include <krb5.h>])])
2964 AC_CHECK_HEADERS(des.h,,
2965 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2966 [AC_CHECK_HEADERS(kerberos/des.h)])])
2967 AC_CHECK_HEADERS(krb.h,,
2968 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2969 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2971 AC_CHECK_HEADERS(com_err.h)
2974 AC_SUBST(COM_ERRLIB)
2980 AC_MSG_CHECKING(whether localtime caches TZ)
2981 AC_CACHE_VAL(emacs_cv_localtime_cache,
2982 [if test x$ac_cv_func_tzset = xyes; then
2983 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2984 char TZ_GMT0[] = "TZ=GMT0";
2985 char TZ_PST8[] = "TZ=PST8";
2988 time_t now = time ((time_t *) 0);
2989 int hour_GMT0, hour_unset;
2990 if (putenv (TZ_GMT0) != 0)
2992 hour_GMT0 = localtime (&now)->tm_hour;
2994 hour_unset = localtime (&now)->tm_hour;
2995 if (putenv (TZ_PST8) != 0)
2997 if (localtime (&now)->tm_hour == hour_GMT0)
3000 if (localtime (&now)->tm_hour != hour_unset)
3003 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3004 [# If we have tzset, assume the worst when cross-compiling.
3005 emacs_cv_localtime_cache=yes])
3007 # If we lack tzset, report that localtime does not cache TZ,
3008 # since we can't invalidate the cache if we don't have tzset.
3009 emacs_cv_localtime_cache=no
3011 AC_MSG_RESULT($emacs_cv_localtime_cache)
3012 if test $emacs_cv_localtime_cache = yes; then
3013 AC_DEFINE(LOCALTIME_CACHE, 1,
3014 [Define to 1 if localtime caches TZ.])
3017 if test "x$HAVE_TIMEVAL" = xyes; then
3018 AC_CHECK_FUNCS(gettimeofday)
3019 if test $ac_cv_func_gettimeofday = yes; then
3020 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3021 emacs_cv_gettimeofday_two_arguments,
3022 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3023 #ifdef TIME_WITH_SYS_TIME
3024 #include <sys/time.h>
3027 #ifdef HAVE_SYS_TIME_H
3028 #include <sys/time.h>
3033 [[struct timeval time;
3034 gettimeofday (&time, 0);]])],
3035 emacs_cv_gettimeofday_two_arguments=yes,
3036 emacs_cv_gettimeofday_two_arguments=no)])
3037 if test $emacs_cv_gettimeofday_two_arguments = no; then
3038 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3039 [Define to 1 if gettimeofday accepts only one argument.])
3045 AC_CHECK_FUNC(socket, , ok_so_far=no)
3046 if test $ok_so_far = yes; then
3047 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3049 if test $ok_so_far = yes; then
3050 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3052 if test $ok_so_far = yes; then
3053 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3054 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3055 [Define to 1 if you have inet sockets.])
3058 if test -f /usr/lpp/X11/bin/smt.exp; then
3059 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3060 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3063 AC_MSG_CHECKING(whether system supports dynamic ptys)
3064 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3066 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3073 AC_CHECK_FUNCS(snprintf)
3075 dnl Adapted from Haible's version.
3076 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3077 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3078 [[char* cs = nl_langinfo(CODESET);]])],
3079 emacs_cv_langinfo_codeset=yes,
3080 emacs_cv_langinfo_codeset=no)
3082 if test $emacs_cv_langinfo_codeset = yes; then
3083 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3084 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3089 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3090 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3091 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3092 if test "$emacs_cv_c_restrict_arr" = yes; then
3093 AC_DEFINE(__restrict_arr, __restrict,
3094 [Define to compiler's equivalent of C99 restrict keyword in array
3095 declarations. Define as empty for no equivalent.])
3098 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3099 dnl how the tty code is related to POSIX and/or other versions of termios.
3100 dnl The following looks like a useful start.
3102 dnl AC_SYS_POSIX_TERMIOS
3103 dnl if test $ac_cv_sys_posix_termios = yes; then
3104 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3105 dnl and macros for terminal control.])
3106 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3109 # Set up the CFLAGS for real compilation, so we can substitute it.
3110 CFLAGS="$REAL_CFLAGS"
3111 CPPFLAGS="$REAL_CPPFLAGS"
3113 ## Hack to detect a buggy GCC version.
3114 if test "x$GCC" = xyes \
3115 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3116 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3117 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3118 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3121 version=$PACKAGE_VERSION
3123 ### Specify what sort of things we'll be editing into Makefile and config.h.
3124 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3126 AC_SUBST(configuration)
3131 AC_SUBST(exec_prefix)
3134 AC_SUBST(sharedstatedir)
3135 AC_SUBST(libexecdir)
3140 AC_SUBST(locallisppath)
3142 AC_SUBST(x_default_search_path)
3144 AC_SUBST(archlibdir)
3149 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3150 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3151 ## end of LIBX_BASE, but nothing ever set it.
3152 AC_SUBST(LD_SWITCH_X_SITE)
3153 AC_SUBST(C_SWITCH_X_SITE)
3154 AC_SUBST(GNUSTEP_CFLAGS)
3156 ## Used in lwlib/Makefile.in.
3157 AC_SUBST(X_TOOLKIT_TYPE)
3158 S_FILE="\$(srcdir)/${opsysfile}"
3161 AC_SUBST(ns_appbindir)
3162 AC_SUBST(ns_appresdir)
3164 AC_SUBST(GNU_OBJC_CFLAGS)
3165 AC_SUBST(OTHER_FILES)
3167 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3168 [Define to the canonical Emacs configuration name.])
3169 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3170 [Define to the options passed to configure.])
3171 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3172 [Define to the used os dependent file.])
3177 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3178 AC_DEFINE(HAVE_X_WINDOWS, 1,
3179 [Define to 1 if you want to use the X window system.])
3181 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3183 if test "$HAVE_XFT" = "yes"; then
3184 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3185 elif test "$HAVE_FREETYPE" = "yes"; then
3186 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3196 if test "${USE_X_TOOLKIT}" != "none" ; then
3198 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3199 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3200 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3201 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3202 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3206 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3207 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3211 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3212 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3213 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3217 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3218 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3221 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3224 AC_SUBST(WIDGET_OBJ)
3227 case "$USE_X_TOOLKIT" in
3228 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3229 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3230 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3232 AC_SUBST(TOOLKIT_LIBW)
3234 if test "$USE_X_TOOLKIT" = "none"; then
3235 LIBXT_OTHER="\$(LIBXSM)"
3236 OLDXMENU_TARGET="really-oldXMenu"
3238 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3239 OLDXMENU_TARGET="really-lwlib"
3241 AC_SUBST(LIBXT_OTHER)
3243 ## The X Menu stuff is present in the X10 distribution, but missing
3244 ## from X11. If we have X10, just use the installed library;
3245 ## otherwise, use our own copy.
3246 if test "${HAVE_X11}" = "yes" ; then
3247 AC_DEFINE(HAVE_X11, 1,
3248 [Define to 1 if you want to use version 11 of X windows.
3249 Otherwise, Emacs expects to use version 10.])
3251 if test "$USE_X_TOOLKIT" = "none"; then
3252 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3254 OLDXMENU="\${lwlibdir}/liblw.a"
3256 LIBXMENU="\$(OLDXMENU)"
3257 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3258 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3260 ## For a syntactically valid Makefile; not actually used for anything.
3261 ## See comments in src/Makefile.in.
3263 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3264 if test "${HAVE_X_WINDOWS}" = "yes"; then
3273 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3280 AC_SUBST(OLDXMENU_TARGET)
3283 AC_SUBST(LIBX_OTHER)
3284 AC_SUBST(OLDXMENU_DEPS)
3286 if test "${HAVE_MENUS}" = "yes" ; then
3287 AC_DEFINE(HAVE_MENUS, 1,
3288 [Define to 1 if you have mouse menus.
3289 (This is automatic if you use X, but the option to specify it remains.)
3290 It is also defined with other window systems that support xmenu.c.])
3293 if test "${GNU_MALLOC}" = "yes" ; then
3294 AC_DEFINE(GNU_MALLOC, 1,
3295 [Define to 1 if you want to use the GNU memory allocator.])
3299 if test "${REL_ALLOC}" = "yes" ; then
3300 AC_DEFINE(REL_ALLOC, 1,
3301 [Define REL_ALLOC if you want to use the relocating allocator for
3304 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3306 AC_SUBST(RALLOC_OBJ)
3308 if test "$opsys" = "cygwin"; then
3309 CYGWIN_OBJ="sheap.o"
3310 ## Cygwin differs because of its unexec().
3312 POST_ALLOC_OBJ=lastfile.o
3315 PRE_ALLOC_OBJ=lastfile.o
3318 AC_SUBST(CYGWIN_OBJ)
3319 AC_SUBST(PRE_ALLOC_OBJ)
3320 AC_SUBST(POST_ALLOC_OBJ)
3322 # Configure gnulib here, now that we know LIBS.
3323 gl_ASSERT_NO_GNULIB_POSIXCHECK
3324 gl_ASSERT_NO_GNULIB_TESTS
3328 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3331 ## The -headerpad option tells ld (see man page) to leave room at the
3332 ## end of the header for adding load commands. Needed for dumping.
3333 ## 0x690 is the total size of 30 segment load commands (at 56
3334 ## each); under Cocoa 31 commands are required.
3335 if test "$HAVE_NS" = "yes"; then
3336 libs_nsgui="-framework AppKit"
3342 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3344 ## This is here because src/Makefile.in did some extra fiddling around
3345 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3346 ## #ifndef LD_SWITCH_SYSTEM
3347 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3348 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3349 ## not using gcc, darwin.
3350 ## Because this was done in src/Makefile.in, the resulting part of
3351 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3352 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3353 ## rather than LD_SWITCH_SYSTEM.
3354 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3355 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3358 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
3359 ## find X at run-time.
3360 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
3361 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
3362 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3363 ## had different values in configure (in ac_link) and src/Makefile.in.
3364 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3365 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
3367 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3370 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3371 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3374 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3380 ## gnu: GNU needs its own crt0.
3381 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3383 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3384 ## library search parth, i.e. it won't search /usr/lib for libc and
3385 ## friends. Using -nostartfiles instead avoids this problem, and
3386 ## will also work on earlier NetBSD releases.
3387 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3389 ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3390 ## MkLinux/LinuxPPC needs this.
3391 ## s390x-* only supports opsys = gnu-linux so it can be added here.
3393 case "$canonical" in
3394 powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;;
3400 if test "x$ORDINARY_LINK" = "xyes"; then
3403 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3405 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3406 ## freebsd, gnu-* not on powerpc*|s390x*.
3407 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3409 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3410 ## places that are difficult to figure out at make time. Fortunately,
3411 ## these same versions allow you to pass arbitrary flags on to the
3412 ## linker, so there is no reason not to use it as a linker.
3414 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3415 ## searching for libraries in its internal directories, so we have to
3416 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3417 LD_FIRSTFLAG="-nostdlib"
3420 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3421 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3423 AC_SUBST(LD_FIRSTFLAG)
3426 ## FIXME? The logic here is not precisely the same as that above.
3427 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3428 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3430 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3433 freebsd|netbsd|openbsd) LIB_GCC= ;;
3436 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3437 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3443 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3444 ## immediately undefine it again and redefine it to empty.
3445 ## Was the C_SWITCH_X_SITE part really necessary?
3446 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3452 ## Ask GCC where to find libgcc.a.
3453 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3459 ## If we're using X11/GNUstep, define some consequences.
3460 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3461 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3462 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3466 AH_TOP([/* GNU Emacs site configuration template file.
3468 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3469 Free Software Foundation, Inc.
3471 This file is part of GNU Emacs.
3473 GNU Emacs is free software: you can redistribute it and/or modify
3474 it under the terms of the GNU General Public License as published by
3475 the Free Software Foundation, either version 3 of the License, or
3476 (at your option) any later version.
3478 GNU Emacs is distributed in the hope that it will be useful,
3479 but WITHOUT ANY WARRANTY; without even the implied warranty of
3480 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3481 GNU General Public License for more details.
3483 You should have received a copy of the GNU General Public License
3484 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3487 /* No code in Emacs #includes config.h twice, but some bits of code
3488 intended to work with other packages as well (like gmalloc.c)
3489 think they can include it as many times as they like. */
3490 #ifndef EMACS_CONFIG_H
3491 #define EMACS_CONFIG_H
3495 /* On AIX 3 this must be included before any other include file. */
3498 # error "alloca not available on this machine"
3501 /* Define AMPERSAND_FULL_NAME if you use the convention
3502 that & in the full name stands for the login id. */
3503 /* Turned on June 1996 supposing nobody will mind it. */
3504 #define AMPERSAND_FULL_NAME
3506 /* `subprocesses' should be defined if you want to
3507 have code for asynchronous subprocesses
3508 (as used in M-x compile and M-x shell).
3509 Only MSDOS does not support this (it overrides
3510 this in its config_opsysfile below). */
3512 #define subprocesses
3514 /* Include the os dependent file. */
3515 #include config_opsysfile
3517 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3518 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3519 (There is probably a better place to do this, but right now the
3520 Cocoa side does this in s/darwin.h and we cannot parallel this
3521 exactly since GNUstep is multi-OS. */
3522 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3523 # define SYSTEM_PURESIZE_EXTRA 30000
3526 #ifdef emacs /* Don't do this for lib-src. */
3527 /* Tell regex.c to use a type compatible with Emacs. */
3528 #define RE_TRANSLATE_TYPE Lisp_Object
3529 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3531 /* If make_number is a macro, use it. */
3532 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3534 /* If make_number is a function, avoid it. */
3535 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3542 #if defined __GNUC__ && (__GNUC__ > 2 \
3543 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3544 #define NO_RETURN __attribute__ ((__noreturn__))
3546 #define NO_RETURN /* nothing */
3549 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3550 #define NO_INLINE __attribute__((noinline))
3555 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3556 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3558 #define EXTERNALLY_VISIBLE
3561 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3562 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3564 # define ATTRIBUTE_FORMAT(spec) /* empty */
3567 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3568 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3569 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3571 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3572 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3575 /* Some versions of GNU/Linux define noinline in their headers. */
3580 /* These won't be used automatically yet. We also need to know, at least,
3581 that the stack is continuous. */
3583 # ifndef GC_SETJMP_WORKS
3584 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3585 # define GC_SETJMP_WORKS 1
3589 #endif /* EMACS_CONFIG_H */
3598 #### Report on what we decided to do.
3599 #### Report GTK as a toolkit, even if it doesn't use Xt.
3600 #### It makes printing result more understandable as using GTK sets
3601 #### toolkit_scroll_bars to yes by default.
3602 if test "${HAVE_GTK}" = "yes"; then
3607 Configured for \`${canonical}'.
3609 Where should the build process find the source code? ${srcdir}
3610 What operating system file should Emacs use?
3612 What compiler should emacs be built with? ${CC} ${CFLAGS}
3613 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3614 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3615 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3616 What window system should Emacs use? ${window_system}
3617 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3619 if test -n "${x_includes}"; then
3620 echo " Where do we find X Windows header files? ${x_includes}"
3622 echo " Where do we find X Windows header files? Standard dirs"
3624 if test -n "${x_libraries}"; then
3625 echo " Where do we find X Windows libraries? ${x_libraries}"
3627 echo " Where do we find X Windows libraries? Standard dirs"
3630 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3631 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3632 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3633 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3634 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3635 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3636 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3637 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3639 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3640 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3641 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3642 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3643 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3644 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3645 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3647 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3648 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3649 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3650 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3652 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3655 if test -n "${EMACSDATA}"; then
3656 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3658 if test -n "${EMACSDOC}"; then
3659 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3662 if test $USE_XASSERTS = yes; then
3663 echo " Compiling with asserts turned on."
3664 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3669 if test "$HAVE_NS" = "yes"; then
3671 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3672 The installed application will go to nextstep/Emacs.app and can be
3673 run or moved from there."
3674 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3675 echo "The application will be fully self-contained."
3677 echo "The lisp resources for the application will be installed under ${prefix}.
3678 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3679 to run if these resources are not installed."
3684 if test "${opsys}" = "cygwin"; then
3686 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3692 # Remove any trailing slashes in these variables.
3693 [test "${prefix}" != NONE &&
3694 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3695 test "${exec_prefix}" != NONE &&
3696 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3698 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3699 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3700 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3701 dnl (else you get "no `Makefile.am' found for any configure output").
3702 dnl This will work, but you get a config.status that is not quite right
3703 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3704 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3705 dnl it seems better to just live with the duplication.
3706 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"
3708 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3709 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3710 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3713 dnl test/ is not present in release tarfiles.
3714 opt_makefile=test/automated/Makefile
3716 if test -f $srcdir/${opt_makefile}.in; then
3717 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3718 dnl Again, it's best not to use a variable. Though you can add
3719 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3720 AC_CONFIG_FILES([test/automated/Makefile])
3724 dnl admin/ may or may not be present.
3725 opt_makefile=admin/unidata/Makefile
3727 if test -f $srcdir/${opt_makefile}.in; then
3728 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3729 AC_CONFIG_FILES([admin/unidata/Makefile])
3733 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3735 AC_SUBST(SUBDIR_MAKEFILES_IN)
3737 dnl Make the necessary directories, if they don't exist.
3738 AC_CONFIG_COMMANDS([mkdirs], [
3739 for dir in etc lisp ; do
3740 test -d ${dir} || mkdir ${dir}
3744 dnl You might wonder (I did) why epaths.h is generated by running make,
3745 dnl rather than just letting configure generate it from epaths.in.
3746 dnl One reason is that the various paths are not fully expanded (see above);
3747 dnl eg gamedir=${prefix}/var/games/emacs.
3748 dnl Secondly, the GNU Coding standards require that one should be able
3749 dnl to run `make prefix=/some/where/else' and override the values set
3750 dnl by configure. This also explains the `move-if-change' test and
3751 dnl the use of force in the `epaths-force' rule in Makefile.in.
3752 AC_CONFIG_COMMANDS([epaths], [
3753 echo creating src/epaths.h
3754 ${MAKE-make} epaths-force
3755 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
3757 AC_CONFIG_COMMANDS([gdbinit], [
3758 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3759 echo creating src/.gdbinit
3760 echo source $srcdir/src/.gdbinit > src/.gdbinit
3766 dnl configure.in ends here