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=$enableval,
238 AC_ARG_ENABLE(locallisppath,
239 [AS_HELP_STRING([--enable-locallisppath=PATH],
240 [directories Emacs should search for lisp files specific
242 if test "${enableval}" = "no"; then
244 elif test "${enableval}" != "yes"; then
245 locallisppath=${enableval}
248 AC_ARG_ENABLE(checking,
249 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
250 [enable expensive run-time checks. With LIST,
251 enable only specific categories of checks.
252 Categories are: all,yes,no.
253 Flags are: stringbytes, stringoverrun, stringfreelist,
254 xmallocoverrun, conslist])],
255 [ac_checking_flags="${enableval}"],[])
256 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
257 for check in $ac_checking_flags
260 # these set all the flags to specific states
261 yes) ac_enable_checking=1 ;;
262 no) ac_enable_checking= ;
263 ac_gc_check_stringbytes= ;
264 ac_gc_check_string_overrun= ;
265 ac_gc_check_string_free_list= ;
266 ac_xmalloc_overrun= ;
267 ac_gc_check_cons_list= ;;
268 all) ac_enable_checking=1 ;
269 ac_gc_check_stringbytes=1 ;
270 ac_gc_check_string_overrun=1 ;
271 ac_gc_check_string_free_list=1 ;
272 ac_xmalloc_overrun=1 ;
273 ac_gc_check_cons_list=1 ;;
274 # these enable particular checks
275 stringbytes) ac_gc_check_stringbytes=1 ;;
276 stringoverrun) ac_gc_check_string_overrun=1 ;;
277 stringfreelist) ac_gc_check_string_free_list=1 ;;
278 xmallocoverrun) ac_xmalloc_overrun=1 ;;
279 conslist) ac_gc_check_cons_list=1 ;;
280 *) AC_MSG_ERROR(unknown check category $check) ;;
285 if test x$ac_enable_checking != x ; then
286 AC_DEFINE(ENABLE_CHECKING, 1,
287 [Enable expensive run-time checking of data types?])
289 if test x$ac_gc_check_stringbytes != x ; then
290 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
291 [Define this temporarily to hunt a bug. If defined, the size of
292 strings is redundantly recorded in sdata structures so that it can
293 be compared to the sizes recorded in Lisp strings.])
295 if test x$ac_gc_check_string_overrun != x ; then
296 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
297 [Define this to check for short string overrun.])
299 if test x$ac_gc_check_string_free_list != x ; then
300 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
301 [Define this to check the string free list.])
303 if test x$ac_xmalloc_overrun != x ; then
304 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
305 [Define this to check for malloc buffer overrun.])
307 if test x$ac_gc_check_cons_list != x ; then
308 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
309 [Define this to check for errors in cons list.])
312 AC_ARG_ENABLE(check-lisp-object-type,
313 [AS_HELP_STRING([--enable-check-lisp-object-type],
314 [enable compile time checks for the Lisp_Object data type.
315 This is useful for development for catching certain types of bugs.])],
316 if test "${enableval}" != "no"; then
317 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
318 [Define this to enable compile time checks for the Lisp_Object data type.])
322 AC_ARG_ENABLE(profiling,
323 [AS_HELP_STRING([--enable-profiling],
324 [build emacs with profiling support.
325 This might not work on all platforms])],
326 [ac_enable_profiling="${enableval}"],[])
327 if test x$ac_enable_profiling != x ; then
328 PROFILING_CFLAGS="-DPROFILING=1 -pg"
332 AC_SUBST(PROFILING_CFLAGS)
334 AC_ARG_ENABLE(autodepend,
335 [AS_HELP_STRING([--enable-autodepend],
336 [automatically generate dependencies to .h-files.
337 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
339 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
341 #### Make srcdir absolute, if it isn't already. It's important to
342 #### avoid running the path through pwd unnecessarily, since pwd can
343 #### give you automounter prefixes, which can go away. We do all this
344 #### so Emacs can find its files when run uninstalled.
345 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
350 ## We may be able to use the $PWD environment variable to make this
351 ## absolute. But sometimes PWD is inaccurate.
352 ## Note: we used to use ${PWD} at the end instead of `pwd`,
353 ## but that tested only for a well-formed and valid PWD,
354 ## it did not object when PWD was well-formed and valid but just wrong.
355 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
359 srcdir="`(cd ${srcdir}; pwd)`"
362 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
365 #### Given the configuration name, set opsysfile to the
366 #### name of s/*.h file we should use.
368 ### Canonicalize the configuration name.
372 configuration=${host_alias-${build_alias-$host}}
374 dnl This used to use changequote, but, apart from `changequote is evil'
375 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
376 dnl the great gob of text. Thus it's not processed for possible expansion.
377 dnl Just make sure the brackets remain balanced.
379 dnl Since Emacs can't find matching pairs of quotes, boundaries are
380 dnl indicated by comments.
384 ### If you add support for a new configuration, add code to this
385 ### switch statement to recognize your configuration name and select
386 ### the appropriate operating system file.
388 ### You would hope that you could choose an s/*.h
389 ### file based on the operating system portion. However, it turns out
390 ### that each s/*.h file is pretty manufacturer-specific.
391 ### So we basically have to have a special case for each
392 ### configuration name.
394 ### As far as handling version numbers on operating systems is
395 ### concerned, make sure things will fail in a fixable way. If
396 ### /etc/MACHINES doesn't say anything about version numbers, be
397 ### prepared to handle anything reasonably. If version numbers
398 ### matter, be sure /etc/MACHINES says something about it.
401 case "${canonical}" in
403 ## GNU/Linux and similar ports
413 ## FreeBSD kernel + glibc based userland
428 ## Apple Darwin / Mac OS X
430 case "${canonical}" in
437 ## Use fink packages if available.
438 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
439 ## if test -d /sw/include && test -d /sw/lib; then
440 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
441 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
445 ## HP 9000 series 700 and 800, running HP/UX
449 hppa*-hp-hpux1[1-9]* )
451 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
455 rs6000-ibm-aix4.[23]* )
458 powerpc-ibm-aix4.[23]* )
461 rs6000-ibm-aix[56]* )
464 powerpc-ibm-aix[56]* )
468 ## Silicon Graphics machines
472 # Without defining _LANGUAGE_C, things get masked out in the headers
473 # so that, for instance, grepping for `free' in stdlib.h fails and
474 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
475 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
480 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
481 | x86_64-*-solaris2* | x86_64-*-sunos5*)
482 case "${canonical}" in
484 amd64-*-*|x86_64-*-*) ;;
488 case "${canonical}" in
489 *-sunos5.6* | *-solaris2.6* )
493 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
495 emacs_check_sunpro_c=yes
497 *-sunos5* | *-solaris* )
499 emacs_check_sunpro_c=yes
502 ## Watch out for a compiler that we know will not work.
503 case "${canonical}" in
504 *-solaris* | *-sunos5* )
505 if [ "x$CC" = x/usr/ucb/cc ]; then
506 ## /usr/ucb/cc doesn't work;
507 ## we should find some other compiler that does work.
515 ## Intel 386 machines where we don't care about the manufacturer.
517 case "${canonical}" in
518 *-cygwin ) opsys=cygwin ;;
519 *-darwin* ) opsys=darwin ;;
520 *-sysv4.2uw* ) opsys=unixware ;;
521 *-sysv5uw* ) opsys=unixware ;;
522 *-sysv5OpenUNIX* ) opsys=unixware ;;
523 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
532 ### If the code above didn't choose an operating system, just choose
533 ### an operating system based on the configuration name. You really
534 ### only want to use this when you have no idea what the right
535 ### operating system is; if you know what operating systems a machine
536 ### runs, it's cleaner to make it explicit in the case statement
538 if test x"${opsys}" = x; then
539 case "${canonical}" in
540 *-gnu* ) opsys=gnu ;;
550 if test $unported = yes; then
551 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
552 Check `etc/MACHINES' for recognized configuration names.])
555 opsysfile="s/${opsys}.h"
558 #### Choose a compiler.
560 dnl Sets GCC=yes if using gcc.
564 if test x$GCC = xyes; then
565 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
567 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
570 # Initialize gnulib right after choosing the compiler.
573 AC_ARG_ENABLE([gcc-warnings],
574 [AS_HELP_STRING([--enable-gcc-warnings],
575 [turn on lots of GCC warnings (for developers)])],
578 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
580 gl_gcc_warnings=$enableval],
584 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
585 # ------------------------------------------------
586 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
587 # Otherwise, run RUN-IF-NOT-FOUND.
588 AC_DEFUN([gl_GCC_VERSION_IFELSE],
592 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
595 # error "your version of gcc is older than $1.$2"
602 # When compiling with GCC, prefer -isystem to -I when including system
603 # include files, to avoid generating useless diagnostics for the files.
604 if test "$gl_gcc_warnings" != yes; then
609 # This, $nw, is the list of warnings we disable.
612 case $with_x_toolkit in
613 lucid | athena | motif)
614 # Old toolkits mishandle 'const'.
615 nw="$nw -Wwrite-strings"
618 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
621 AC_SUBST([WERROR_CFLAGS])
623 nw="$nw -Waggregate-return" # anachronistic
624 nw="$nw -Wlong-long" # C90 is anachronistic
625 nw="$nw -Wc++-compat" # We don't care about C++ compilers
626 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
627 nw="$nw -Wtraditional" # Warns on #elif which we use often
628 nw="$nw -Wcast-qual" # Too many warnings for now
629 nw="$nw -Wconversion" # Too many warnings for now
630 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
631 nw="$nw -Wsign-conversion" # Too many warnings for now
632 nw="$nw -Woverlength-strings" # Not a problem these days
633 nw="$nw -Wtraditional-conversion" # Too many warnings for now
634 nw="$nw -Wpadded" # Our structs are not padded
635 nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc.
636 nw="$nw -Wlogical-op" # any use of fwrite provokes this
637 nw="$nw -Wformat-nonliteral" # Emacs does this a lot
638 nw="$nw -Wvla" # warnings in gettext.h
639 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
640 nw="$nw -Wswitch-enum" # Too many warnings for now
641 nw="$nw -Wswitch-default" # Too many warnings for now
642 nw="$nw -Wfloat-equal" # e.g., ftoastr.c
643 nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p
645 # Emacs doesn't care about shadowing; see
646 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
649 # The following lines should be removable at some point.
650 nw="$nw -Wstack-protector"
651 nw="$nw -Wstrict-overflow"
652 nw="$nw -Wsuggest-attribute=const"
653 nw="$nw -Wsuggest-attribute=pure"
655 gl_MANYWARN_ALL_GCC([ws])
656 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
660 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
661 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
662 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
663 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
664 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
665 gl_WARN_ADD([-Wno-format-nonliteral])
667 # In spite of excluding -Wlogical-op above, it is enabled, as of
668 # gcc 4.5.0 20090517.
669 gl_WARN_ADD([-Wno-logical-op])
671 gl_WARN_ADD([-fdiagnostics-show-option])
672 gl_WARN_ADD([-funit-at-a-time])
674 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
675 AC_DEFINE([_FORTIFY_SOURCE], [2],
676 [enable compile-time and run-time bounds-checking, and some warnings])
677 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
679 # We use a slightly smaller set of warning options for lib/.
680 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
682 nw="$nw -Wunused-macros"
684 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
685 AC_SUBST([GNULIB_WARN_CFLAGS])
690 dnl Some other nice autoconf tests.
691 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
694 dnl if test "x$RANLIB" = x; then
698 AC_PATH_PROG(INSTALL_INFO, install-info, :,
699 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
700 dnl Don't use GZIP, which is used by gzip for additional parameters.
701 AC_PATH_PROG(GZIP_PROG, gzip)
702 AC_PATH_PROG(PAXCTL, paxctl,,
703 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
706 ## Need makeinfo >= 4.7 (?) to build the manuals.
707 AC_PATH_PROG(MAKEINFO, makeinfo, no)
708 dnl By this stage, configure has already checked for egrep and set EGREP,
709 dnl or exited with an error if no egrep was found.
710 if test "$MAKEINFO" != "no" && \
711 test x"`$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
715 ## Makeinfo is unusual. For a released Emacs, the manuals are
716 ## pre-built, and not deleted by the normal clean rules. makeinfo is
717 ## therefore in the category of "special tools" not normally required, which
718 ## configure does not have to check for (eg autoconf itself).
719 ## In a Bazaar checkout on the other hand, the manuals are not included.
720 ## So makeinfo is a requirement to build from Bazaar, and configure
721 ## should test for it as it does for any other build requirement.
722 ## We use the presence of $srcdir/info/emacs to distinguish a release,
723 ## with pre-built manuals, from a Bazaar checkout.
726 if test "$MAKEINFO" = "no"; then
728 if test "x${with_makeinfo}" = "xno"; then
730 elif test ! -e $srcdir/info/emacs; then
731 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
732 source tree does not seem to have pre-built manuals in the `info' directory.
733 Either install a suitable version of makeinfo, or re-run configure
734 with the `--without-makeinfo' option to build without the manuals.] )
737 AC_SUBST(HAVE_MAKEINFO)
739 dnl Just so that there is only a single place we need to edit.
745 dnl Add our options to ac_link now, after it is set up.
747 if test x$GCC = xyes; then
748 test "x$GCC_LINK_TEST_OPTIONS" != x && \
749 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
751 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
752 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
755 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
756 dnl If we can link with the flag, it shouldn't do any harm anyhow.
757 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
758 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
759 dnl if not built to support GNU ld.
761 late_LDFLAGS=$LDFLAGS
762 if test x$GCC = xyes; then
763 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
765 LDFLAGS="$LDFLAGS -znocombreloc"
768 AC_MSG_CHECKING([for -znocombreloc])
769 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
770 [AC_MSG_RESULT(yes)],
771 LDFLAGS=$late_LDFLAGS
775 dnl The function dump-emacs will not be defined and temacs will do
776 dnl (load "loadup") automatically unless told otherwise.
777 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
779 your-opsys-here) CANNOT_DUMP=yes ;;
782 test "$CANNOT_DUMP" = "yes" && \
783 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
785 AC_SUBST(CANNOT_DUMP)
790 # MSDOS uses unexcoff.o
791 # MSWindows uses unexw32.o
799 UNEXEC_OBJ=unexmacosx.o
802 UNEXEC_OBJ=unexhp9k800.o
805 # Use the Solaris dldump() function, called from unexsol.c, to dump
806 # emacs, instead of the generic ELF dump code found in unexelf.c.
807 # The resulting binary has a complete symbol table, and is better
808 # for debugging and other observability tools (debuggers, pstack, etc).
810 # If you encounter a problem using dldump(), please consider sending
811 # a message to the OpenSolaris tools-linking mailing list:
812 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
814 # It is likely that dldump() works with older Solaris too, but this has
815 # not been tested, so for now this change is for Solaris 10 or newer.
823 ## Let `ld' find image libs and similar things in /usr/local/lib.
824 ## The system compiler, GCC, has apparently been modified to not
825 ## look there, contrary to what a stock GCC would do.
826 ### It's not our place to do this. See bug#10313#17.
827 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
832 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
833 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
837 ### It's not our place to do this. See bug#10313#17.
838 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
843 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
844 ## otherwise Emacs dumps core on elf systems.
845 LD_SWITCH_SYSTEM="-Z"
848 AC_SUBST(LD_SWITCH_SYSTEM)
850 ac_link="$ac_link $LD_SWITCH_SYSTEM"
852 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
853 ## which has not been defined yet. When this was handled with cpp,
854 ## it was expanded to null when configure sourced the s/*.h file.
855 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
856 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
857 ## (or somesuch), but because it is supposed to go at the _front_
858 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
859 ## Compare with the gnu-linux case below, which added to the end
860 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
861 ## LD_SWITCH_SYSTEM_TEMACS.
864 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
871 AC_CHECK_DECL([__ELF__])
872 if test "$ac_cv_have_decl___ELF__" = "yes"; then
873 ## With ELF, make sure that all common symbols get allocated to in the
874 ## data section. Otherwise, the dump of temacs may miss variables in
875 ## the shared library that have been initialized. For example, with
876 ## GNU libc, __malloc_initialized would normally be resolved to the
877 ## shared library's .bss section, which is fatal.
878 if test "x$GCC" = "xyes"; then
879 C_SWITCH_MACHINE="-fno-common"
881 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
884 UNEXEC_OBJ=unexalpha.o
888 AC_SUBST(C_SWITCH_MACHINE)
893 ## Some programs in src produce warnings saying certain subprograms
894 ## are too complex and need a MAXMEM value greater than 2000 for
895 ## additional optimization. --nils@exp-math.uni-essen.de
896 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
897 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
898 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
899 ## It is redundant in glibc2, since we define _GNU_SOURCE.
900 AC_SUBST(C_SWITCH_SYSTEM)
905 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
906 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
908 freebsd) LIBS_SYSTEM="-lutil" ;;
910 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
912 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
914 ## Motif needs -lgen.
915 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
917 AC_SUBST(LIBS_SYSTEM)
920 ### Make sure subsequent tests use flags consistent with the build flags.
922 if test x"${OVERRIDE_CPPFLAGS}" != x; then
923 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
925 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
928 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
929 AC_DEFUN([AC_TYPE_SIZE_T])
930 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
931 AC_DEFUN([AC_TYPE_UID_T])
937 dnl Current possibilities handled by sed (aix4-2 -> aix,
938 dnl gnu-linux -> gnu/linux, etc.):
939 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
940 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
941 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
943 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
947 START_FILES='pre-crt0.o'
950 ## Adding -lm confuses the dynamic linker, so omit it.
952 START_FILES='pre-crt0.o'
955 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
956 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
957 SYSTEM_TYPE=berkeley-unix
959 gnu-linux | gnu-kfreebsd )
960 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
961 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
965 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
967 dnl NB this may be adjusted below.
969 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
970 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
971 SYSTEM_TYPE=berkeley-unix
975 SYSTEM_TYPE=usg-unix-v
981 AC_SUBST(START_FILES)
982 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
983 [The type of system you are compiling for; sets `system-type'.])
985 dnl Not all platforms use crtn.o files. Check if the current one does.
988 for file in x $LIB_STANDARD $START_FILES; do
990 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
994 if test "x$crt_files" != x; then
996 ## If user specified a crt-dir, use that unconditionally.
999 if test "X$CRT_DIR" = "X"; then
1001 CRT_DIR=/usr/lib # default
1003 case "$canonical" in
1004 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1005 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1006 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1007 ## For anything else (eg /usr/lib32), it is up the user to specify
1008 ## the location (bug#5655).
1009 ## Test for crtn.o, not just the directory, because sometimes the
1010 ## directory exists but does not have the relevant files (bug#1287).
1011 ## FIXME better to test for binary compatibility somehow.
1012 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1015 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1019 hpux10-20) CRT_DIR=/lib ;;
1022 test "x${GCC}" = xyes && crt_gcc=yes
1028 for file in $crt_files; do
1030 ## If we're using gcc, try to determine it automatically by asking
1031 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1032 ## system-dependent default from above.]
1033 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1035 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1038 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1043 dnl We expect all the files to be in a single directory, so after the
1044 dnl first there is no point asking gcc.
1047 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1050 test "x$crt_missing" = x || \
1051 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1052 Try using the --with-crt-dir option.])
1054 fi # crt_files != ""
1060 if test -f $CRT_DIR/crti.o; then
1062 test -f $CRT_DIR/crtn.o || \
1063 AC_MSG_ERROR([Required file not found: crtn.o])
1065 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1066 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1072 # Configure gnulib before invoking PKG_CHECK_MODULES, as the latter might
1073 # for example add -lrt to RSVG_LIBS, which would then cause gnulib to
1074 # incorrectly conclude that -lrt is not needed to link clock_gettime.
1075 gl_ASSERT_NO_GNULIB_POSIXCHECK
1076 gl_ASSERT_NO_GNULIB_TESTS
1079 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1081 dnl This function definition taken from Gnome 2.0
1082 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1083 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1084 dnl also defines GSTUFF_PKG_ERRORS on error
1085 AC_DEFUN([PKG_CHECK_MODULES], [
1088 if test "$PKG_CONFIG" = "no" ; then
1089 ifelse([$4], , [AC_MSG_ERROR([
1090 *** 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])
1092 PKG_CONFIG_MIN_VERSION=0.9.0
1093 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1094 AC_MSG_CHECKING(for $2)
1096 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1097 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1098 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1105 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1106 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1107 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1113 ## If we have a custom action on failure, don't print errors, but
1114 ## do set a variable so people can do so.
1115 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1116 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1122 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1123 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1127 if test $succeeded = yes; then
1128 ifelse([$3], , :, [$3])
1130 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])
1135 if test "${with_sound}" != "no"; then
1136 # Sound support for GNU/Linux and the free BSDs.
1137 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1138 have_sound_header=yes)
1139 # Emulation library used on NetBSD.
1140 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1144 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1145 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1146 if test $HAVE_ALSA = yes; then
1147 SAVE_CFLAGS="$CFLAGS"
1149 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1150 LIBS="$ALSA_LIBS $LIBS"
1151 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1152 emacs_alsa_normal=yes,
1153 emacs_alsa_normal=no)
1154 if test "$emacs_alsa_normal" != yes; then
1155 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1156 [[snd_lib_error_set_handler (0);]])],
1157 emacs_alsa_subdir=yes,
1158 emacs_alsa_subdir=no)
1159 if test "$emacs_alsa_subdir" != yes; then
1160 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1162 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1165 CFLAGS="$SAVE_CFLAGS"
1167 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1168 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1169 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1172 dnl Define HAVE_SOUND if we have sound support. We know it works and
1173 dnl compiles only on the specified platforms. For others, it
1174 dnl probably doesn't make sense to try.
1175 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1177 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1178 gnu-linux|freebsd|netbsd)
1179 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1184 AC_SUBST(CFLAGS_SOUND)
1187 dnl checks for header files
1188 AC_CHECK_HEADERS_ONCE(
1189 sys/select.h sys/time.h utime.h
1190 linux/version.h sys/systeminfo.h
1191 stdio_ext.h fcntl.h coff.h pty.h
1192 sys/vlimit.h sys/resource.h
1193 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1195 AC_MSG_CHECKING(if personality LINUX32 can be set)
1196 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1197 emacs_cv_personality_linux32=yes,
1198 emacs_cv_personality_linux32=no)
1199 AC_MSG_RESULT($emacs_cv_personality_linux32)
1201 if test $emacs_cv_personality_linux32 = yes; then
1202 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1203 [Define to 1 if personality LINUX32 can be set.])
1206 dnl On Solaris 8 there's a compilation warning for term.h because
1207 dnl it doesn't define `bool'.
1208 AC_CHECK_HEADERS(term.h, , , -)
1210 AC_CHECK_DECLS([sys_siglist])
1211 if test $ac_cv_have_decl_sys_siglist != yes; then
1212 # For Tru64, at least:
1213 AC_CHECK_DECLS([__sys_siglist])
1214 if test $ac_cv_have_decl___sys_siglist = yes; then
1215 AC_DEFINE(sys_siglist, __sys_siglist,
1216 [Define to any substitute for sys_siglist.])
1221 dnl Check for speed_t typedef.
1222 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1223 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1224 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1225 if test $emacs_cv_speed_t = yes; then
1226 AC_DEFINE(HAVE_SPEED_T, 1,
1227 [Define to 1 if `speed_t' is declared by <termios.h>.])
1230 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1231 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1232 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1233 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1234 HAVE_EXCEPTION=$emacs_cv_struct_exception
1235 if test $emacs_cv_struct_exception != yes; then
1236 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1239 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1240 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1241 #if HAVE_SYS_SOCKET_H
1242 #include <sys/socket.h>
1244 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1245 #if HAVE_SYS_SOCKET_H
1246 #include <sys/socket.h>
1248 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1249 #if HAVE_SYS_SOCKET_H
1250 #include <sys/socket.h>
1253 dnl checks for structure members
1254 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1255 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1256 struct ifreq.ifr_addr,
1257 struct ifreq.ifr_addr.sa_len], , ,
1258 [AC_INCLUDES_DEFAULT
1259 #if HAVE_SYS_SOCKET_H
1260 #include <sys/socket.h>
1266 dnl Check for endianness.
1267 dnl AC_C_BIGENDIAN is done by gnulib.
1269 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1270 [emacs_cv_attribute_aligned],
1273 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1275 [emacs_cv_attribute_aligned=yes],
1276 [emacs_cv_attribute_aligned=no])])
1277 if test $emacs_cv_attribute_aligned = yes; then
1278 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1279 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1282 dnl check for Make feature
1283 dnl AC_PROG_MAKE_SET is done by Automake.
1288 dnl check for GNU Make if we have GCC and autodepend is on.
1289 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1290 AC_MSG_CHECKING([whether we are using GNU Make])
1292 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1293 if test "x$testval" != x; then
1296 ac_enable_autodepend=no
1298 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1299 if test $HAVE_GNU_MAKE = yes; then
1300 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1301 SAVE_CFLAGS="$CFLAGS"
1302 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1303 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1304 CFLAGS="$SAVE_CFLAGS"
1305 test -f deps.d || ac_enable_autodepend=no
1307 AC_MSG_RESULT([$ac_enable_autodepend])
1309 if test $ac_enable_autodepend = yes; then
1310 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1311 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1312 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1313 deps_frag=autodeps.mk
1316 deps_frag=$srcdir/src/$deps_frag
1319 AC_SUBST_FILE(deps_frag)
1322 lisp_frag=$srcdir/src/lisp.mk
1323 AC_SUBST_FILE(lisp_frag)
1326 dnl checks for operating system services
1327 AC_SYS_LONG_FILE_NAMES
1329 #### Choose a window system.
1332 if test "$no_x" = yes; then
1338 LD_SWITCH_X_SITE_RPATH=
1339 if test "${x_libraries}" != NONE; then
1340 if test -n "${x_libraries}"; then
1341 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1342 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1344 x_default_search_path=""
1345 x_search_path=${x_libraries}
1346 if test -z "${x_search_path}"; then
1347 x_search_path=/usr/lib
1349 for x_library in `echo ${x_search_path}: | \
1350 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1352 ${x_library}/X11/%L/%T/%N%C%S:\
1353 ${x_library}/X11/%l/%T/%N%C%S:\
1354 ${x_library}/X11/%T/%N%C%S:\
1355 ${x_library}/X11/%L/%T/%N%S:\
1356 ${x_library}/X11/%l/%T/%N%S:\
1357 ${x_library}/X11/%T/%N%S"
1358 if test x"${x_default_search_path}" = x; then
1359 x_default_search_path=${x_search_path}
1361 x_default_search_path="${x_search_path}:${x_default_search_path}"
1365 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1367 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1368 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1371 if test x"${x_includes}" = x; then
1372 bitmapdir=/usr/include/X11/bitmaps
1374 # accumulate include directories that have X11 bitmap subdirectories
1376 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1377 if test -d "${bmd}/X11/bitmaps"; then
1378 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1380 if test -d "${bmd}/bitmaps"; then
1381 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1384 if test ${bmd_acc} != "dummyval"; then
1385 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1392 tmp_CPPFLAGS="$CPPFLAGS"
1393 tmp_CFLAGS="$CFLAGS"
1394 CPPFLAGS="$CPPFLAGS -x objective-c"
1395 CFLAGS="$CFLAGS -x objective-c"
1396 TEMACS_LDFLAGS2="\${LDFLAGS}"
1398 if test "${with_ns}" != no; then
1399 if test "${opsys}" = darwin; then
1401 ns_appdir=`pwd`/nextstep/Emacs.app
1402 ns_appbindir=${ns_appdir}/Contents/MacOS
1403 ns_appresdir=${ns_appdir}/Contents/Resources
1404 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1405 elif test -f $GNUSTEP_CONFIG_FILE; then
1407 ns_appdir=`pwd`/nextstep/Emacs.app
1408 ns_appbindir=${ns_appdir}
1409 ns_appresdir=${ns_appdir}/Resources
1410 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1411 dnl FIXME sourcing this several times in subshells seems inefficient.
1412 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1413 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1414 dnl I seemed to need these as well with GNUstep-startup 0.25.
1415 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1416 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1417 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1418 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1419 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1420 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1421 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1422 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1423 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1427 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1428 dnl If they had chosen to either define it or not, we could have
1429 dnl just used AC_CHECK_DECL here.
1430 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1431 emacs_cv_objc_exceptions,
1432 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1433 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1437 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1438 if test $emacs_cv_objc_exceptions = yes; then
1439 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1440 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1441 [Define if GNUstep uses ObjC exceptions.])
1442 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1446 dnl This is only used while we test the NS headers, it gets reset below.
1447 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1449 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1450 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1451 files are missing or cannot be compiled.])])
1452 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1454 ns_have_nsinteger=yes,
1455 ns_have_nsinteger=no)
1456 if test $ns_have_nsinteger = yes; then
1457 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1460 AC_SUBST(TEMACS_LDFLAGS2)
1462 INSTALL_ARCH_INDEP_EXTRA=install-etc
1463 ns_self_contained=no
1467 if test "${HAVE_NS}" = yes; then
1468 if test "$with_toolkit_scroll_bars" = "no"; then
1469 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1472 window_system=nextstep
1474 # set up packaging dirs
1475 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1476 ns_self_contained=yes
1477 prefix=${ns_appresdir}
1478 exec_prefix=${ns_appbindir}
1479 dnl This one isn't really used, only archlibdir is.
1480 libexecdir="\${ns_appbindir}/libexec"
1481 archlibdir="\${ns_appbindir}/libexec"
1482 docdir="\${ns_appresdir}/etc"
1483 etcdir="\${ns_appresdir}/etc"
1484 dnl FIXME maybe set datarootdir instead.
1485 dnl That would also get applications, icons, man.
1486 infodir="\${ns_appresdir}/info"
1487 mandir="\${ns_appresdir}/man"
1488 lispdir="\${ns_appresdir}/lisp"
1489 leimdir="\${ns_appresdir}/leim"
1490 INSTALL_ARCH_INDEP_EXTRA=
1492 ns_frag=$srcdir/src/ns.mk
1493 NS_OBJ="fontset.o fringe.o image.o"
1494 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1496 CFLAGS="$tmp_CFLAGS"
1497 CPPFLAGS="$tmp_CPPFLAGS"
1498 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1499 AC_SUBST(ns_self_contained)
1501 AC_SUBST(NS_OBJC_OBJ)
1502 AC_SUBST(LIB_STANDARD)
1503 AC_SUBST_FILE(ns_frag)
1505 case "${window_system}" in
1509 case "${with_x_toolkit}" in
1510 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1511 motif ) USE_X_TOOLKIT=MOTIF ;;
1513 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1514 dnl USE_X_TOOLKIT is set.
1515 USE_X_TOOLKIT=none ;;
1516 gtk3 ) with_gtk3=yes
1517 USE_X_TOOLKIT=none ;;
1518 no ) USE_X_TOOLKIT=none ;;
1519 dnl If user did not say whether to use a toolkit, make this decision later:
1520 dnl use the toolkit if we have gtk, or X11R5 or newer.
1521 * ) USE_X_TOOLKIT=maybe ;;
1531 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1532 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1533 if test "$HAVE_XSERVER" = true ||
1534 test -n "$DISPLAY" ||
1535 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1536 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1537 were found. You should install the relevant development files for X
1538 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1539 sure you have development files for image handling, i.e.
1540 tiff, gif, jpeg, png and xpm.
1541 If you are sure you want Emacs compiled without X window support, pass
1547 ### If we're using X11, we should use the X menu package.
1550 yes ) HAVE_MENUS=yes ;;
1553 # Does the opsystem file prohibit the use of the GNU malloc?
1554 # Assume not, until told otherwise.
1558 [whether malloc is Doug Lea style],
1559 [emacs_cv_var_doug_lea_malloc],
1562 [[#include <malloc.h>
1563 static void hook (void) {}]],
1564 [[malloc_set_state (malloc_get_state ());
1565 __after_morecore_hook = hook;
1566 __malloc_initialize_hook = hook;]])],
1567 [emacs_cv_var_doug_lea_malloc=yes],
1568 [emacs_cv_var_doug_lea_malloc=no])])
1569 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1572 dnl See comments in aix4-2.h about maybe using system malloc there.
1575 ## darwin ld insists on the use of malloc routines in the System framework.
1576 darwin|sol2-10) system_malloc=yes ;;
1579 if test "${system_malloc}" = "yes"; then
1580 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1583 (The GNU allocators don't work with this system configuration.)"
1587 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1588 VMLIMIT_OBJ=vm-limit.o
1590 AC_SUBST(GMALLOC_OBJ)
1591 AC_SUBST(VMLIMIT_OBJ)
1593 if test "$doug_lea_malloc" = "yes" ; then
1594 if test "$GNU_MALLOC" = yes ; then
1596 (Using Doug Lea's new malloc from the GNU C Library.)"
1598 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1599 [Define to 1 if you are using the GNU C Library.])
1601 ## Use mmap directly for allocating larger buffers.
1602 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1603 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1604 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1606 gnu*) REL_ALLOC=no ;;
1610 if test x"${REL_ALLOC}" = x; then
1611 REL_ALLOC=${GNU_MALLOC}
1614 use_mmap_for_buffers=no
1616 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1620 if test $use_mmap_for_buffers = yes; then
1621 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1625 LIBS="$LIBS_SYSTEM $LIBS"
1627 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1628 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1629 AC_CHECK_LIB(dnet, dnet_ntoa)
1630 dnl This causes -lresolv to get used in subsequent tests,
1631 dnl which causes failures on some systems such as HPUX 9.
1632 dnl AC_CHECK_LIB(resolv, gethostbyname)
1634 dnl FIXME replace main with a function we actually want from this library.
1635 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1637 dnl Check if pthreads is available.
1639 AC_CHECK_HEADERS_ONCE(pthread.h)
1640 if test "$ac_cv_header_pthread_h"; then
1641 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1642 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1643 dnl testing for pthread_self if Emacs uses gmalloc.c.
1644 if test "$GMALLOC_OBJ" = gmalloc.o; then
1645 emacs_pthread_function=pthread_atfork
1647 emacs_pthread_function=pthread_self
1649 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1651 if test "$HAVE_PTHREAD" = yes; then
1652 case "${canonical}" in
1654 *) LIB_PTHREAD="-lpthread"
1655 LIBS="$LIB_PTHREAD $LIBS" ;;
1657 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1659 AC_SUBST([LIB_PTHREAD])
1661 AC_CHECK_LIB(pthreads, cma_open)
1663 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1664 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1665 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1666 ## added to LIBS in configure would never contain the pthreads part,
1667 ## but the value used in Makefiles might. FIXME?
1669 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1670 ## be harmless on older versions of X where it happens to exist.
1671 test "$opsys" = "aix4-2" && \
1672 test $ac_cv_lib_pthreads_cma_open = yes && \
1673 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1675 dnl Check for need for bigtoc support on IBM AIX
1679 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1681 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1682 *) gdb_cv_bigtoc=-bbigtoc ;;
1685 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1686 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1691 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1692 # used for the tests that follow. We set them back to REAL_CFLAGS and
1693 # REAL_CPPFLAGS later on.
1695 REAL_CFLAGS="$CFLAGS"
1696 REAL_CPPFLAGS="$CPPFLAGS"
1698 if test "${HAVE_X11}" = "yes"; then
1699 DEFS="$C_SWITCH_X_SITE $DEFS"
1700 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1702 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1703 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1705 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1706 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1707 # but it's more convenient here to set LD_RUN_PATH since this
1708 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1709 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1710 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1714 if test "${opsys}" = "gnu-linux"; then
1715 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1716 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1717 [[XOpenDisplay ("foo");]])],
1718 [xgnu_linux_first_failure=no],
1719 [xgnu_linux_first_failure=yes])
1720 if test "${xgnu_linux_first_failure}" = "yes"; then
1721 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1722 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1723 OLD_CPPFLAGS="$CPPFLAGS"
1725 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1726 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1727 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1728 LIBS="$LIBS -b i486-linuxaout"
1729 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1730 [[XOpenDisplay ("foo");]])],
1731 [xgnu_linux_second_failure=no],
1732 [xgnu_linux_second_failure=yes])
1733 if test "${xgnu_linux_second_failure}" = "yes"; then
1734 # If we get the same failure with -b, there is no use adding -b.
1735 # So take it out. This plays safe.
1736 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1737 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1738 CPPFLAGS="$OLD_CPPFLAGS"
1749 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1750 # header files included from there.
1751 AC_MSG_CHECKING(for Xkb)
1752 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1753 #include <X11/XKBlib.h>]],
1754 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1755 emacs_xkb=yes, emacs_xkb=no)
1756 AC_MSG_RESULT($emacs_xkb)
1757 if test $emacs_xkb = yes; then
1758 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1761 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1762 XScreenNumberOfScreen)
1765 if test "${window_system}" = "x11"; then
1766 AC_MSG_CHECKING(X11 version 6)
1767 AC_CACHE_VAL(emacs_cv_x11_version_6,
1768 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1769 [[#if XlibSpecificationRelease < 6
1772 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1773 if test $emacs_cv_x11_version_6 = yes; then
1774 AC_MSG_RESULT(6 or newer)
1775 AC_DEFINE(HAVE_X11R6, 1,
1776 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1777 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1778 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1782 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1783 [Define if you have usable X11R6-style XIM support.])
1787 AC_MSG_RESULT(before 6)
1792 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1794 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1795 if test "${with_rsvg}" != "no"; then
1796 RSVG_REQUIRED=2.11.0
1797 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1799 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1800 AC_SUBST(RSVG_CFLAGS)
1803 if test $HAVE_RSVG = yes; then
1804 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1805 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1806 LIBS="$RSVG_LIBS $LIBS"
1812 if test "${HAVE_X11}" = "yes"; then
1813 if test "${with_imagemagick}" != "no"; then
1814 ## 6.2.8 is the earliest version known to work, but earlier versions
1815 ## might work - let us know if you find one.
1816 ## 6.0.7 does not work. See bug#7955.
1817 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1818 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1819 AC_SUBST(IMAGEMAGICK_CFLAGS)
1820 AC_SUBST(IMAGEMAGICK_LIBS)
1822 if test $HAVE_IMAGEMAGICK = yes; then
1823 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1824 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1825 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1826 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
1834 if test "${with_gtk3}" = "yes"; then
1837 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1839 dnl Checks for libraries.
1840 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1841 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1842 AC_MSG_ERROR($GTK_PKG_ERRORS)
1844 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1845 GTK_OBJ=emacsgtkfixed.o
1848 if test "$pkg_check_gtk" != "yes"; then
1850 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1853 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1855 dnl Checks for libraries.
1856 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1857 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1858 AC_MSG_ERROR($GTK_PKG_ERRORS)
1863 if test x"$pkg_check_gtk" = xyes; then
1865 AC_SUBST(GTK_CFLAGS)
1867 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1868 CFLAGS="$CFLAGS $GTK_CFLAGS"
1869 LIBS="$GTK_LIBS $LIBS"
1870 dnl Try to compile a simple GTK program.
1872 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1873 if test "${GTK_COMPILES}" != "yes"; then
1874 if test "$USE_X_TOOLKIT" != "maybe"; then
1875 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1879 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1880 GTK_OBJ="gtkutil.o $GTK_OBJ"
1882 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1885 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1886 closing open displays. This is no problem if you just use
1887 one display, but if you use more than one and close one of them
1897 if test "${HAVE_GTK}" = "yes"; then
1899 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1900 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1901 if test "$with_toolkit_scroll_bars" != no; then
1902 with_toolkit_scroll_bars=yes
1905 dnl Check if we have the old file selection dialog declared and
1906 dnl in the link library. In 2.x it may be in the library,
1907 dnl but not declared if deprecated featured has been selected out.
1908 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1909 HAVE_GTK_FILE_SELECTION=no
1910 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1911 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1912 #include <gtk/gtk.h>])
1913 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1914 AC_CHECK_FUNCS(gtk_file_selection_new)
1918 dnl Check for functions introduced in 2.14 and later.
1919 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1920 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1921 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1922 gtk_orientable_set_orientation \
1923 gtk_window_set_has_resize_grip)
1926 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1927 dnl other platforms.
1930 if test "${with_dbus}" = "yes"; then
1931 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1932 if test "$HAVE_DBUS" = yes; then
1933 LIBS="$LIBS $DBUS_LIBS"
1934 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1935 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
1936 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
1938 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
1939 dbus_type_is_valid \
1940 dbus_validate_bus_name \
1941 dbus_validate_path \
1942 dbus_validate_interface \
1943 dbus_validate_member)
1949 dnl GSettings has been tested under GNU/Linux only.
1951 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
1952 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
1953 if test "$HAVE_GSETTINGS" = "yes"; then
1954 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
1955 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
1956 SETTINGS_LIBS="$GSETTINGS_LIBS"
1960 dnl GConf has been tested under GNU/Linux only.
1961 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1963 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1964 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1965 if test "$HAVE_GCONF" = yes; then
1966 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1967 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1968 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
1969 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
1973 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
1974 SAVE_CFLAGS="$CFLAGS"
1976 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
1977 LIBS="$SETTINGS_LIBS $LIBS"
1978 AC_CHECK_FUNCS([g_type_init])
1979 CFLAGS="$SAVE_CFLAGS"
1982 AC_SUBST(SETTINGS_CFLAGS)
1983 AC_SUBST(SETTINGS_LIBS)
1986 dnl SELinux is available for GNU/Linux only.
1989 if test "${with_selinux}" = "yes"; then
1990 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
1991 if test "$HAVE_LIBSELINUX" = yes; then
1992 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
1993 LIBSELINUX_LIBS=-lselinux
1996 AC_SUBST(LIBSELINUX_LIBS)
1999 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2000 if test "${with_gnutls}" = "yes" ; then
2001 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2002 if test "${HAVE_GNUTLS}" = "yes"; then
2003 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2006 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2007 LIBS="$LIBGNUTLS_LIBS $LIBS"
2008 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2010 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2011 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2015 AC_SUBST(LIBGNUTLS_LIBS)
2016 AC_SUBST(LIBGNUTLS_CFLAGS)
2018 dnl Do not put whitespace before the #include statements below.
2019 dnl Older compilers (eg sunos4 cc) choke on it.
2022 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2023 if test "$with_xaw3d" != no; then
2024 AC_MSG_CHECKING(for xaw3d)
2025 AC_CACHE_VAL(emacs_cv_xaw3d,
2026 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2027 #include <X11/Intrinsic.h>
2028 #include <X11/Xaw3d/Simple.h>]],
2030 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2031 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2032 emacs_cv_xaw3d=no)])
2036 if test $emacs_cv_xaw3d = yes; then
2037 AC_MSG_RESULT([yes; using Lucid toolkit])
2041 AC_DEFINE(HAVE_XAW3D, 1,
2042 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2045 AC_MSG_CHECKING(for libXaw)
2046 AC_CACHE_VAL(emacs_cv_xaw,
2047 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2048 #include <X11/Intrinsic.h>
2049 #include <X11/Xaw/Simple.h>]],
2053 if test $emacs_cv_xaw = yes; then
2054 AC_MSG_RESULT([yes; using Lucid toolkit])
2057 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2058 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2060 AC_MSG_ERROR([No X toolkit could be found.
2061 If you are sure you want Emacs compiled without an X toolkit, pass
2063 to configure. Otherwise, install the development libraries for the toolkit
2064 that you want to use (e.g. Gtk+) and re-run configure.])
2069 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2072 if test "${USE_X_TOOLKIT}" != "none"; then
2073 AC_MSG_CHECKING(X11 toolkit version)
2074 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2075 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2076 [[#if XtSpecificationRelease < 6
2079 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2080 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2081 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2082 AC_MSG_RESULT(6 or newer)
2083 AC_DEFINE(HAVE_X11XTR6, 1,
2084 [Define to 1 if you have the X11R6 or newer version of Xt.])
2085 LIBXTR6="-lSM -lICE"
2087 ## Use libw.a along with X11R6 Xt.
2088 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2091 AC_MSG_RESULT(before 6)
2094 dnl If using toolkit, check whether libXmu.a exists.
2095 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2097 if test x$HAVE_X11XTR6 = xyes; then
2098 LIBS="-lXt -lSM -lICE $LIBS"
2102 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2103 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2107 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2108 dnl Why not just test for libxmu in the normal way?
2111 ## These systems don't supply Xmu.
2113 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2118 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2119 if test "${HAVE_X11}" = "yes"; then
2120 if test "${USE_X_TOOLKIT}" != "none"; then
2121 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2126 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2127 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2128 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2129 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2132 Motif version prior to 2.1.
2134 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2135 if test $emacs_cv_motif_version_2_1 = yes; then
2136 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2138 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2139 # We put this in CFLAGS temporarily to precede other -I options
2140 # that might be in CFLAGS temporarily.
2141 # We put this in CPPFLAGS where it precedes the other -I options.
2142 OLD_CPPFLAGS=$CPPFLAGS
2144 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2145 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2146 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2148 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2149 if test $emacs_cv_lesstif = yes; then
2150 # Make sure this -I option remains in CPPFLAGS after it is set
2151 # back to REAL_CPPFLAGS.
2152 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2153 # have those other -I options anyway. Ultimately, having this
2154 # directory ultimately in CPPFLAGS will be enough.
2155 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2156 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2159 CPPFLAGS=$OLD_CPPFLAGS
2162 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2163 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2166 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2167 dnl using Motif or Xaw3d is available, and unless
2168 dnl --with-toolkit-scroll-bars=no was specified.
2170 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2171 [Define to 1 if we should use toolkit scroll bars.])dnl
2172 USE_TOOLKIT_SCROLL_BARS=no
2173 if test "${with_toolkit_scroll_bars}" != "no"; then
2174 if test "${USE_X_TOOLKIT}" != "none"; then
2175 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2176 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2178 USE_TOOLKIT_SCROLL_BARS=yes
2179 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2180 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2181 USE_TOOLKIT_SCROLL_BARS=yes
2183 elif test "${HAVE_GTK}" = "yes"; then
2184 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2185 USE_TOOLKIT_SCROLL_BARS=yes
2186 elif test "${HAVE_NS}" = "yes"; then
2187 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2188 USE_TOOLKIT_SCROLL_BARS=yes
2192 dnl See if XIM is available.
2193 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2194 #include <X11/Xlib.h>
2195 #include <X11/Xresource.h>]],
2196 [[XIMProc callback;]])],
2198 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2201 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2203 if test "${with_xim}" != "no"; then
2204 AC_DEFINE(USE_XIM, 1,
2205 [Define to 1 if we should use XIM, if it is available.])
2209 if test "${HAVE_XIM}" != "no"; then
2211 if test "$GCC" = yes; then
2212 CFLAGS="$CFLAGS --pedantic-errors"
2214 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2215 #include <X11/Xlib.h>
2216 #include <X11/Xresource.h>]],
2222 XPointer *client_data;
2224 /* If we're not using GCC, it's probably not XFree86, and this is
2225 probably right, but we can't use something like --pedantic-errors. */
2226 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2227 char*, XIMProc, XPointer*);
2229 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2231 [emacs_cv_arg6_star=yes])
2232 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2233 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2234 either XPointer or XPointer*.])dnl
2235 if test "$emacs_cv_arg6_star" = yes; then
2236 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2238 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2243 ### Start of font-backend (under any platform) section.
2244 # (nothing here yet -- this is a placeholder)
2245 ### End of font-backend (under any platform) section.
2247 ### Start of font-backend (under X11) section.
2248 if test "${HAVE_X11}" = "yes"; then
2249 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2251 ## Use -lXft if available, unless `--with-xft=no'.
2253 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2256 if test "x${with_xft}" != "xno"; then
2258 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2259 ## Because xftfont.c uses XRenderQueryExtension, we also
2260 ## need to link to -lXrender.
2262 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2263 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2264 OLD_CPPFLAGS="$CPPFLAGS"
2265 OLD_CFLAGS="$CFLAGS"
2267 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2268 CFLAGS="$CFLAGS $XFT_CFLAGS"
2269 XFT_LIBS="-lXrender $XFT_LIBS"
2270 LIBS="$XFT_LIBS $LIBS"
2271 AC_CHECK_HEADER(X11/Xft/Xft.h,
2272 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2274 if test "${HAVE_XFT}" = "yes"; then
2275 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2277 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2279 CPPFLAGS="$OLD_CPPFLAGS"
2280 CFLAGS="$OLD_CFLAGS"
2282 fi # "${HAVE_XFT}" = "yes"
2283 fi # "$HAVE_XFT" != no
2284 fi # "x${with_xft}" != "xno"
2286 ## We used to allow building with FreeType and without Xft.
2287 ## However, the ftx font backend driver is not in good shape.
2288 if test "$HAVE_XFT" != "yes"; then
2289 dnl For the "Does Emacs use" message at the end.
2293 dnl Strict linkers fail with
2294 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2295 dnl if -lfreetype is not specified.
2296 dnl The following is needed to set FREETYPE_LIBS.
2297 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2300 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2304 if test "${HAVE_FREETYPE}" = "yes"; then
2305 AC_DEFINE(HAVE_FREETYPE, 1,
2306 [Define to 1 if using the freetype and fontconfig libraries.])
2307 if test "${with_libotf}" != "no"; then
2308 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2310 if test "$HAVE_LIBOTF" = "yes"; then
2311 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2312 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2313 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2314 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2315 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2316 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2317 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2321 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2322 dnl Does the new font backend require it, or can it work without it?
2326 if test "${HAVE_LIBOTF}" = yes; then
2327 if test "${with_m17n_flt}" != "no"; then
2328 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2329 if test "$HAVE_M17N_FLT" = "yes"; then
2330 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2341 ### End of font-backend (under X11) section.
2343 AC_SUBST(FREETYPE_CFLAGS)
2344 AC_SUBST(FREETYPE_LIBS)
2345 AC_SUBST(FONTCONFIG_CFLAGS)
2346 AC_SUBST(FONTCONFIG_LIBS)
2347 AC_SUBST(LIBOTF_CFLAGS)
2348 AC_SUBST(LIBOTF_LIBS)
2349 AC_SUBST(M17N_FLT_CFLAGS)
2350 AC_SUBST(M17N_FLT_LIBS)
2352 ### Use -lXpm if available, unless `--with-xpm=no'.
2355 if test "${HAVE_X11}" = "yes"; then
2356 if test "${with_xpm}" != "no"; then
2357 AC_CHECK_HEADER(X11/xpm.h,
2358 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2359 if test "${HAVE_XPM}" = "yes"; then
2360 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2361 AC_EGREP_CPP(no_return_alloc_pixels,
2362 [#include "X11/xpm.h"
2363 #ifndef XpmReturnAllocPixels
2364 no_return_alloc_pixels
2366 ], HAVE_XPM=no, HAVE_XPM=yes)
2368 if test "${HAVE_XPM}" = "yes"; then
2376 if test "${HAVE_XPM}" = "yes"; then
2377 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2383 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2386 if test "${HAVE_X11}" = "yes"; then
2387 if test "${with_jpeg}" != "no"; then
2388 dnl Checking for jpeglib.h can lose because of a redefinition of
2390 AC_CHECK_HEADER(jerror.h,
2391 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2394 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2395 if test "${HAVE_JPEG}" = "yes"; then
2396 AC_DEFINE(HAVE_JPEG)
2397 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2398 [#include <jpeglib.h>
2399 version=JPEG_LIB_VERSION
2401 [AC_DEFINE(HAVE_JPEG)],
2402 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2405 if test "${HAVE_JPEG}" = "yes"; then
2411 ### Use -lpng if available, unless `--with-png=no'.
2414 if test "${HAVE_X11}" = "yes"; then
2415 if test "${with_png}" != "no"; then
2416 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2417 # in /usr/include/libpng.
2418 AC_CHECK_HEADERS(png.h libpng/png.h)
2419 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2420 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2424 if test "${HAVE_PNG}" = "yes"; then
2425 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2426 LIBPNG="-lpng -lz -lm"
2431 ### Use -ltiff if available, unless `--with-tiff=no'.
2434 if test "${HAVE_X11}" = "yes"; then
2435 if test "${with_tiff}" != "no"; then
2436 AC_CHECK_HEADER(tiffio.h,
2438 # At least one tiff package requires the jpeg library.
2439 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2440 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2443 if test "${HAVE_TIFF}" = "yes"; then
2444 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2445 dnl FIXME -lz -lm, as per libpng?
2451 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2454 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2455 AC_CHECK_HEADER(gif_lib.h,
2456 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2457 # Earlier versions can crash Emacs.
2458 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2460 if test "$HAVE_GIF" = yes; then
2462 elif test "$HAVE_GIF" = maybe; then
2463 # If gif_lib.h but no libgif, try libungif.
2464 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2465 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2468 if test "${HAVE_GIF}" = "yes"; then
2469 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2474 dnl Check for required libraries.
2475 if test "${HAVE_X11}" = "yes"; then
2478 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2479 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2480 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2481 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2482 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2483 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2484 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2485 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2486 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2487 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2489 if test "X${MISSING}" != X; then
2490 AC_MSG_ERROR([The following required libraries were not found:
2492 Maybe some development libraries/packages are missing?
2493 If you don't want to link with them give
2495 as options to configure])
2499 ### Use -lgpm if available, unless `--with-gpm=no'.
2502 if test "${with_gpm}" != "no"; then
2503 AC_CHECK_HEADER(gpm.h,
2504 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2506 if test "${HAVE_GPM}" = "yes"; then
2507 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2513 dnl Check for malloc/malloc.h on darwin
2514 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2517 ### Use NeXTstep API to implement GUI.
2518 if test "${HAVE_NS}" = "yes"; then
2519 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2520 if test "${NS_IMPL_COCOA}" = "yes"; then
2521 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2523 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2524 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2525 # See also .m.o rule in Makefile.in */
2526 # FIXME: are all these flags really needed? Document here why. */
2527 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2528 ## Extra CFLAGS applied to src/*.m files.
2529 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"
2531 # We also have mouse menus.
2537 ### Use session management (-lSM -lICE) if available
2540 if test "${HAVE_X11}" = "yes"; then
2541 AC_CHECK_HEADER(X11/SM/SMlib.h,
2542 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2544 if test "${HAVE_X_SM}" = "yes"; then
2545 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2549 *) LIBS="$LIBXSM $LIBS" ;;
2555 ### Use libxml (-lxml2) if available
2557 if test "${with_xml2}" != "no"; then
2558 ### I'm not sure what the version number should be, so I just guessed.
2559 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2560 if test "${HAVE_LIBXML2}" = "yes"; then
2561 LIBS="$LIBXML2_LIBS $LIBS"
2562 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2563 if test "${HAVE_LIBXML2}" = "yes"; then
2564 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2571 AC_SUBST(LIBXML2_LIBS)
2572 AC_SUBST(LIBXML2_CFLAGS)
2574 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2575 AC_CACHE_CHECK(whether netdb declares h_errno,
2576 emacs_cv_netdb_declares_h_errno,
2577 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2578 [[return h_errno;]])],
2579 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2580 if test $emacs_cv_netdb_declares_h_errno = yes; then
2581 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2584 # fmod, logb, and frexp are found in -lm on most systems.
2585 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2586 AC_CHECK_LIB(m, sqrt)
2588 # Check for mail-locking functions in a "mail" library. Probably this should
2589 # have the same check as for liblockfile below.
2590 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2591 if test $have_mail = yes; then
2593 LIBS="$LIBS_MAIL $LIBS"
2594 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2598 dnl Debian, at least:
2599 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2600 if test $have_lockfile = yes; then
2601 LIBS_MAIL=-llockfile
2602 LIBS="$LIBS_MAIL $LIBS"
2603 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2605 # If we have the shared liblockfile, assume we must use it for mail
2606 # locking (e.g. Debian). If we couldn't link against liblockfile
2607 # (no liblockfile.a installed), ensure that we don't need to.
2608 dnl This works for files generally, not just executables.
2609 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2610 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2611 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2612 if test $ac_cv_prog_liblockfile = yes; then
2613 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2614 This probably means that movemail could lose mail.
2615 There may be a `development' package to install containing liblockfile.])
2618 AC_CHECK_HEADERS_ONCE(maillock.h)
2621 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2622 ## interlock access to the mail spool. The alternative is a lock file named
2623 ## /usr/spool/mail/$USER.lock.
2626 aix4-2) mail_lock="lockf" ;;
2628 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2630 ## On GNU/Linux systems, both methods are used by various mail programs.
2631 ## I assume most people are using newer mailers that have heard of flock.
2632 ## Change this if you need to.
2633 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2634 ## configure gets the right answers, and that means *NOT* using flock.
2635 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2636 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2637 ## Debian maintainer hasn't provided a clean fix for Emacs.
2638 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2639 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2640 ## correct logic. -- fx
2641 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2642 ## liblockfile is a Free Software replacement for libmail, used on
2643 ## Debian systems and elsewhere. -rfr.
2646 if test $have_mail = yes || test $have_lockfile = yes; then
2647 test $ac_cv_header_maillock_h = yes && mail_lock=no
2653 case "$mail_lock" in
2654 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2656 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2658 *) BLESSMAIL_TARGET="need-blessmail" ;;
2660 AC_SUBST(BLESSMAIL_TARGET)
2663 AC_CHECK_FUNCS_ONCE(gethostname \
2664 rename closedir mkdir rmdir getrusage get_current_dir_name \
2665 random lrand48 logb frexp fmod rint cbrt setsid \
2666 strerror fpathconf select euidaccess getpagesize setlocale \
2667 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2668 __fpending strsignal setitimer \
2669 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
2670 gai_strerror mkstemp getline getdelim fsync sync \
2671 difftime posix_memalign \
2672 getpwent endpwent getgrent endgrent \
2674 cfmakeraw cfsetspeed copysign __executable_start)
2676 dnl Cannot use AC_CHECK_FUNCS
2677 AC_CACHE_CHECK([for __builtin_unwind_init],
2678 emacs_cv_func___builtin_unwind_init,
2679 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2680 emacs_cv_func___builtin_unwind_init=yes,
2681 emacs_cv_func___builtin_unwind_init=no)])
2682 if test $emacs_cv_func___builtin_unwind_init = yes; then
2683 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2684 [Define to 1 if you have the `__builtin_unwind_init' function.])
2687 AC_CHECK_HEADERS_ONCE(sys/un.h)
2694 AC_CHECK_FUNCS_ONCE(grantpt)
2696 # PTY-related GNU extensions.
2697 AC_CHECK_FUNCS_ONCE(getpt)
2699 # Check this now, so that we will NOT find the above functions in ncurses.
2700 # That is because we have not set up to link ncurses in lib-src.
2701 # It's better to believe a function is not available
2702 # than to expect to find it in ncurses.
2703 # Also we need tputs and friends to be able to build at all.
2704 AC_MSG_CHECKING([for library containing tputs])
2705 # Run a test program that contains a call to tputs, a call that is
2706 # never executed. This tests whether a pre-'main' dynamic linker
2707 # works with the library. It's too much trouble to actually call
2708 # tputs in the test program, due to portability hassles. When
2709 # cross-compiling, assume the test program will run if it links.
2710 AC_DEFUN([tputs_link_source], [
2712 [[extern void tputs (const char *, int, int (*)(int));
2713 int main (int argc, char **argv)
2716 tputs (argv[0], 0, 0);
2720 # Maybe curses should be tried earlier?
2721 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2722 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2724 if test -z "$tputs_library"; then
2728 LIBS_TERMCAP=-l$tputs_library
2730 LIBS="$LIBS_TERMCAP $LIBS"
2732 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2733 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2735 if test "X$msg" != Xno; then
2739 AC_MSG_RESULT([$msg])
2740 if test "X$msg" = Xno; then
2741 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2742 The following libraries were tried (in order):
2743 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2744 Please try installing whichever of these libraries is most appropriate
2745 for your system, together with its header files.
2746 For example, a libncurses-dev(el) or similar package.])
2749 ## Use termcap instead of terminfo?
2750 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2752 ## FIXME? In the cases below where we unconditionally set
2753 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2754 ## if that was found above to have tputs.
2755 ## Should we use the gnu* logic everywhere?
2757 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2758 ## The ncurses library has been moved out of the System framework in
2759 ## Mac OS X 10.2. So if configure detects it, set the command-line
2760 ## option to use it.
2761 darwin) LIBS_TERMCAP="-lncurses" ;;
2763 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2766 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2767 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2768 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2769 [[#if __FreeBSD_version < 400000
2772 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2774 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2776 if test $emacs_cv_freebsd_terminfo = yes; then
2777 LIBS_TERMCAP="-lncurses"
2780 LIBS_TERMCAP="-ltermcap"
2785 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2787 LIBS_TERMCAP="-ltermcap"
2791 openbsd) LIBS_TERMCAP="-lncurses" ;;
2793 ## hpux: Make sure we get select from libc rather than from libcurses
2794 ## because libcurses on HPUX 10.10 has a broken version of select.
2795 ## We used to use -lc -lcurses, but this may be cleaner.
2796 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2797 # set that way, now it uses the default). Isn't this a contradiction?
2798 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2802 TERMCAP_OBJ=tparam.o
2803 if test $TERMINFO = yes; then
2804 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2805 TERMCAP_OBJ=terminfo.o
2807 AC_SUBST(LIBS_TERMCAP)
2808 AC_SUBST(TERMCAP_OBJ)
2811 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2813 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2814 #include <arpa/nameser.h>
2815 #include <resolv.h>]],
2816 [[return res_init();]])],
2817 have_res_init=yes, have_res_init=no)
2818 if test "$have_res_init" = no; then
2820 LIBS="$LIBS -lresolv"
2821 AC_MSG_CHECKING(for res_init with -lresolv)
2822 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2823 #include <arpa/nameser.h>
2824 #include <resolv.h>]],
2825 [[return res_init();]])],
2826 have_res_init=yes, have_res_init=no)
2827 AC_MSG_RESULT($have_res_init)
2828 if test "$have_res_init" = yes ; then
2834 if test "$have_res_init" = yes; then
2835 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2838 # Do we need the Hesiod library to provide the support routines?
2840 if test "$with_hesiod" != no ; then
2841 # Don't set $LIBS here -- see comments above. FIXME which comments?
2842 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2843 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2844 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2845 if test "$resolv" = yes ; then
2850 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2851 hesiod=yes, :, $RESOLVLIB)])
2853 if test x"$hesiod" = xyes; then
2854 AC_DEFINE(HAVE_LIBHESIOD, 1,
2855 [Define to 1 if you have the hesiod library (-lhesiod).])
2861 # Do we need libresolv (due to res_init or Hesiod)?
2862 if test "$resolv" = yes ; then
2863 AC_DEFINE(HAVE_LIBRESOLV, 1,
2864 [Define to 1 if you have the resolv library (-lresolv).])
2871 # These tell us which Kerberos-related libraries to use.
2878 if test "${with_kerberos}" != no; then
2879 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2880 if test $have_com_err = yes; then
2881 COM_ERRLIB=-lcom_err
2882 LIBS="$COM_ERRLIB $LIBS"
2883 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2885 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2886 if test $have_crypto = yes; then
2888 LIBS="$CRYPTOLIB $LIBS"
2889 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2891 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2892 if test $have_k5crypto = yes; then
2893 CRYPTOLIB=-lk5crypto
2894 LIBS="$CRYPTOLIB $LIBS"
2895 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2897 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2898 if test $have_krb5=yes; then
2900 LIBS="$KRB5LIB $LIBS"
2901 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2903 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2904 if test "${with_kerberos5}" = no; then
2905 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2906 if test $have_des425 = yes; then
2908 LIBS="$DESLIB $LIBS"
2909 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2911 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2912 if test $have_des = yes; then
2914 LIBS="$DESLIB $LIBS"
2915 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2918 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2919 if test $have_krb4 = yes; then
2921 LIBS="$KRB4LIB $LIBS"
2922 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2924 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2925 if test $have_krb = yes; then
2927 LIBS="$KRB4LIB $LIBS"
2928 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2933 if test "${with_kerberos5}" != no; then
2934 AC_CHECK_HEADERS(krb5.h,
2935 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2936 [#include <krb5.h>])])
2938 AC_CHECK_HEADERS(des.h,,
2939 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2940 [AC_CHECK_HEADERS(kerberos/des.h)])])
2941 AC_CHECK_HEADERS(krb.h,,
2942 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2943 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2945 AC_CHECK_HEADERS(com_err.h)
2948 AC_SUBST(COM_ERRLIB)
2954 AC_CHECK_FUNCS_ONCE(tzset)
2955 AC_MSG_CHECKING(whether localtime caches TZ)
2956 AC_CACHE_VAL(emacs_cv_localtime_cache,
2957 [if test x$ac_cv_func_tzset = xyes; then
2958 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2959 char TZ_GMT0[] = "TZ=GMT0";
2960 char TZ_PST8[] = "TZ=PST8";
2963 time_t now = time ((time_t *) 0);
2964 int hour_GMT0, hour_unset;
2965 if (putenv (TZ_GMT0) != 0)
2967 hour_GMT0 = localtime (&now)->tm_hour;
2969 hour_unset = localtime (&now)->tm_hour;
2970 if (putenv (TZ_PST8) != 0)
2972 if (localtime (&now)->tm_hour == hour_GMT0)
2975 if (localtime (&now)->tm_hour != hour_unset)
2978 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2979 [# If we have tzset, assume the worst when cross-compiling.
2980 emacs_cv_localtime_cache=yes])
2982 # If we lack tzset, report that localtime does not cache TZ,
2983 # since we can't invalidate the cache if we don't have tzset.
2984 emacs_cv_localtime_cache=no
2986 AC_MSG_RESULT($emacs_cv_localtime_cache)
2987 if test $emacs_cv_localtime_cache = yes; then
2988 AC_DEFINE(LOCALTIME_CACHE, 1,
2989 [Define to 1 if localtime caches TZ.])
2993 AC_CHECK_FUNC(socket, , ok_so_far=no)
2994 if test $ok_so_far = yes; then
2995 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2997 if test $ok_so_far = yes; then
2998 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3000 if test $ok_so_far = yes; then
3001 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3002 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3003 [Define to 1 if you have inet sockets.])
3006 if test -f /usr/lpp/X11/bin/smt.exp; then
3007 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3008 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3011 AC_MSG_CHECKING(whether system supports dynamic ptys)
3012 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3014 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3021 AC_CHECK_FUNCS_ONCE(snprintf)
3023 dnl Adapted from Haible's version.
3024 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3025 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3026 [[char* cs = nl_langinfo(CODESET);]])],
3027 emacs_cv_langinfo_codeset=yes,
3028 emacs_cv_langinfo_codeset=no)
3030 if test $emacs_cv_langinfo_codeset = yes; then
3031 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3032 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3037 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3038 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3039 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3040 if test "$emacs_cv_c_restrict_arr" = yes; then
3041 AC_DEFINE(__restrict_arr, __restrict,
3042 [Define to compiler's equivalent of C99 restrict keyword in array
3043 declarations. Define as empty for no equivalent.])
3046 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3047 dnl how the tty code is related to POSIX and/or other versions of termios.
3048 dnl The following looks like a useful start.
3050 dnl AC_SYS_POSIX_TERMIOS
3051 dnl if test $ac_cv_sys_posix_termios = yes; then
3052 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3053 dnl and macros for terminal control.])
3054 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3058 darwin | gnu | hpux* | *bsd )
3059 AC_DEFINE(NO_TERMIO, 1, [Define if termio.h should not be included.])
3063 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3064 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3066 hpux* | irix6-5 | openbsd | sol2* | unixware )
3067 AC_DEFINE(BROKEN_SIGIO, 1, [Define if SIGIO should not be used.])
3073 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3074 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3079 gnu-kfreebsd) opsysfile="s/gnu-linux.h" ;;
3082 dnl SA_RESTART resets the timeout of `select', so don't use it.
3083 AC_DEFINE(BROKEN_SA_RESTART, 1, [Define if SA_RESTART should not
3085 dnl It works to open the pty's tty in the parent (Emacs), then
3086 dnl close and reopen it in the child.
3087 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
3088 works to open a pty's tty in the parent process, then close and
3089 reopen it in the child.])
3091 opsysfile="s/hpux10-20.h"
3094 openbsd) opsysfile="s/netbsd.h" ;;
3097 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
3099 opsysfile="s/sol2-6.h"
3103 # Set up the CFLAGS for real compilation, so we can substitute it.
3104 CFLAGS="$REAL_CFLAGS"
3105 CPPFLAGS="$REAL_CPPFLAGS"
3107 ## Hack to detect a buggy GCC version.
3108 if test "x$GCC" = xyes \
3109 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3110 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3111 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3112 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3115 version=$PACKAGE_VERSION
3117 ### Specify what sort of things we'll be editing into Makefile and config.h.
3118 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3120 AC_SUBST(configuration)
3125 AC_SUBST(exec_prefix)
3128 AC_SUBST(sharedstatedir)
3129 AC_SUBST(libexecdir)
3134 AC_SUBST(locallisppath)
3136 AC_SUBST(x_default_search_path)
3138 AC_SUBST(archlibdir)
3143 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3144 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3145 ## end of LIBX_BASE, but nothing ever set it.
3146 AC_SUBST(LD_SWITCH_X_SITE)
3147 AC_SUBST(C_SWITCH_X_SITE)
3148 AC_SUBST(GNUSTEP_CFLAGS)
3150 ## Used in lwlib/Makefile.in.
3151 AC_SUBST(X_TOOLKIT_TYPE)
3152 if test -n "${opsysfile}"; then
3153 S_FILE="\$(srcdir)/${opsysfile}"
3159 AC_SUBST(ns_appbindir)
3160 AC_SUBST(ns_appresdir)
3162 AC_SUBST(GNU_OBJC_CFLAGS)
3163 AC_SUBST(OTHER_FILES)
3165 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3166 [Define to the canonical Emacs configuration name.])
3167 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3168 [Define to the options passed to configure.])
3169 if test -n "$opsysfile"; then
3170 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3171 [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 "$opsys" = "cygwin"; then
3309 CYGWIN_OBJ="sheap.o"
3310 ## Cygwin differs because of its unexec().
3312 POST_ALLOC_OBJ=lastfile.o
3315 PRE_ALLOC_OBJ=lastfile.o
3318 AC_SUBST(CYGWIN_OBJ)
3319 AC_SUBST(PRE_ALLOC_OBJ)
3320 AC_SUBST(POST_ALLOC_OBJ)
3323 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3326 ## The -headerpad option tells ld (see man page) to leave room at the
3327 ## end of the header for adding load commands. Needed for dumping.
3328 ## 0x690 is the total size of 30 segment load commands (at 56
3329 ## each); under Cocoa 31 commands are required.
3330 if test "$HAVE_NS" = "yes"; then
3331 libs_nsgui="-framework AppKit"
3337 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3339 ## This is here because src/Makefile.in did some extra fiddling around
3340 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3341 ## #ifndef LD_SWITCH_SYSTEM
3342 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3343 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3344 ## not using gcc, darwin.
3345 ## Because this was done in src/Makefile.in, the resulting part of
3346 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3347 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3348 ## rather than LD_SWITCH_SYSTEM.
3349 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3350 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3353 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
3354 ## find X at run-time.
3355 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
3356 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
3357 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3358 ## had different values in configure (in ac_link) and src/Makefile.in.
3359 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3360 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
3362 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3365 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3366 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3369 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3375 ## gnu: GNU needs its own crt0.
3376 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3378 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3379 ## library search parth, i.e. it won't search /usr/lib for libc and
3380 ## friends. Using -nostartfiles instead avoids this problem, and
3381 ## will also work on earlier NetBSD releases.
3382 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3384 ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3385 ## MkLinux/LinuxPPC needs this.
3386 ## s390x-* only supports opsys = gnu-linux so it can be added here.
3388 case "$canonical" in
3389 powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;;
3395 if test "x$ORDINARY_LINK" = "xyes"; then
3398 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3400 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3401 ## freebsd, gnu-* not on powerpc*|s390x*.
3402 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3404 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3405 ## places that are difficult to figure out at make time. Fortunately,
3406 ## these same versions allow you to pass arbitrary flags on to the
3407 ## linker, so there is no reason not to use it as a linker.
3409 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3410 ## searching for libraries in its internal directories, so we have to
3411 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3412 LD_FIRSTFLAG="-nostdlib"
3415 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3416 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3418 AC_SUBST(LD_FIRSTFLAG)
3421 ## FIXME? The logic here is not precisely the same as that above.
3422 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3423 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3425 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3428 freebsd|netbsd|openbsd) LIB_GCC= ;;
3431 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3432 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3438 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3439 ## immediately undefine it again and redefine it to empty.
3440 ## Was the C_SWITCH_X_SITE part really necessary?
3441 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3447 ## Ask GCC where to find libgcc.a.
3448 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3454 ## If we're using X11/GNUstep, define some consequences.
3455 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3456 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3457 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3461 AH_TOP([/* GNU Emacs site configuration template file.
3463 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3464 Free Software Foundation, Inc.
3466 This file is part of GNU Emacs.
3468 GNU Emacs is free software: you can redistribute it and/or modify
3469 it under the terms of the GNU General Public License as published by
3470 the Free Software Foundation, either version 3 of the License, or
3471 (at your option) any later version.
3473 GNU Emacs is distributed in the hope that it will be useful,
3474 but WITHOUT ANY WARRANTY; without even the implied warranty of
3475 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3476 GNU General Public License for more details.
3478 You should have received a copy of the GNU General Public License
3479 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3482 /* No code in Emacs #includes config.h twice, but some bits of code
3483 intended to work with other packages as well (like gmalloc.c)
3484 think they can include it as many times as they like. */
3485 #ifndef EMACS_CONFIG_H
3486 #define EMACS_CONFIG_H
3490 /* On AIX 3 this must be included before any other include file. */
3493 # error "alloca not available on this machine"
3496 /* Define AMPERSAND_FULL_NAME if you use the convention
3497 that & in the full name stands for the login id. */
3498 /* Turned on June 1996 supposing nobody will mind it. */
3499 #define AMPERSAND_FULL_NAME
3501 /* `subprocesses' should be defined if you want to
3502 have code for asynchronous subprocesses
3503 (as used in M-x compile and M-x shell).
3504 Only MSDOS does not support this (it overrides
3505 this in its config_opsysfile below). */
3507 #define subprocesses
3509 /* Include the os dependent file. */
3510 #ifdef config_opsysfile
3511 # include config_opsysfile
3514 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3515 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3516 (There is probably a better place to do this, but right now the
3517 Cocoa side does this in s/darwin.h and we cannot parallel this
3518 exactly since GNUstep is multi-OS. */
3519 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3520 # define SYSTEM_PURESIZE_EXTRA 30000
3523 #ifdef emacs /* Don't do this for lib-src. */
3524 /* Tell regex.c to use a type compatible with Emacs. */
3525 #define RE_TRANSLATE_TYPE Lisp_Object
3526 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3528 /* If make_number is a macro, use it. */
3529 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3531 /* If make_number is a function, avoid it. */
3532 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3539 #if defined __GNUC__ && (__GNUC__ > 2 \
3540 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3541 #define NO_RETURN __attribute__ ((__noreturn__))
3543 #define NO_RETURN /* nothing */
3546 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3547 #define NO_INLINE __attribute__((noinline))
3552 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3553 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3555 #define EXTERNALLY_VISIBLE
3558 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3559 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3561 # define ATTRIBUTE_FORMAT(spec) /* empty */
3564 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3565 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3566 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3568 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3569 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3572 /* Some versions of GNU/Linux define noinline in their headers. */
3577 /* These won't be used automatically yet. We also need to know, at least,
3578 that the stack is continuous. */
3580 # ifndef GC_SETJMP_WORKS
3581 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3582 # define GC_SETJMP_WORKS 1
3586 #endif /* EMACS_CONFIG_H */
3595 #### Report on what we decided to do.
3596 #### Report GTK as a toolkit, even if it doesn't use Xt.
3597 #### It makes printing result more understandable as using GTK sets
3598 #### toolkit_scroll_bars to yes by default.
3599 if test "${HAVE_GTK}" = "yes"; then
3604 Configured for \`${canonical}'.
3606 Where should the build process find the source code? ${srcdir}
3607 What operating system file should Emacs use? ${opsysfile-none}
3608 What compiler should emacs be built with? ${CC} ${CFLAGS}
3609 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3610 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3611 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3612 What window system should Emacs use? ${window_system}
3613 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3615 if test -n "${x_includes}"; then
3616 echo " Where do we find X Windows header files? ${x_includes}"
3618 echo " Where do we find X Windows header files? Standard dirs"
3620 if test -n "${x_libraries}"; then
3621 echo " Where do we find X Windows libraries? ${x_libraries}"
3623 echo " Where do we find X Windows libraries? Standard dirs"
3626 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3627 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3628 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3629 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3630 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3631 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3632 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3633 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3635 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3636 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3637 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3638 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3639 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3640 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3641 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3643 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3644 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3645 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3646 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3648 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3651 if test -n "${EMACSDATA}"; then
3652 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3654 if test -n "${EMACSDOC}"; then
3655 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3658 if test $USE_XASSERTS = yes; then
3659 echo " Compiling with asserts turned on."
3660 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3665 if test "$HAVE_NS" = "yes"; then
3667 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3668 The installed application will go to nextstep/Emacs.app and can be
3669 run or moved from there."
3670 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3671 echo "The application will be fully self-contained."
3673 echo "The lisp resources for the application will be installed under ${prefix}.
3674 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3675 to run if these resources are not installed."
3680 if test "${opsys}" = "cygwin"; then
3682 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3688 # Remove any trailing slashes in these variables.
3689 [test "${prefix}" != NONE &&
3690 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3691 test "${exec_prefix}" != NONE &&
3692 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3694 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3695 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3696 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3697 dnl (else you get "no `Makefile.am' found for any configure output").
3698 dnl This will work, but you get a config.status that is not quite right
3699 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3700 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3701 dnl it seems better to just live with the duplication.
3702 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"
3704 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3705 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3706 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3709 dnl test/ is not present in release tarfiles.
3710 opt_makefile=test/automated/Makefile
3712 if test -f $srcdir/${opt_makefile}.in; then
3713 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3714 dnl Again, it's best not to use a variable. Though you can add
3715 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3716 AC_CONFIG_FILES([test/automated/Makefile])
3720 dnl admin/ may or may not be present.
3721 opt_makefile=admin/unidata/Makefile
3723 if test -f $srcdir/${opt_makefile}.in; then
3724 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3725 AC_CONFIG_FILES([admin/unidata/Makefile])
3729 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3731 AC_SUBST(SUBDIR_MAKEFILES_IN)
3733 dnl Make the necessary directories, if they don't exist.
3734 AC_CONFIG_COMMANDS([mkdirs], [
3735 for dir in etc lisp ; do
3736 test -d ${dir} || mkdir ${dir}
3740 dnl You might wonder (I did) why epaths.h is generated by running make,
3741 dnl rather than just letting configure generate it from epaths.in.
3742 dnl One reason is that the various paths are not fully expanded (see above);
3743 dnl eg gamedir=${prefix}/var/games/emacs.
3744 dnl Secondly, the GNU Coding standards require that one should be able
3745 dnl to run `make prefix=/some/where/else' and override the values set
3746 dnl by configure. This also explains the `move-if-change' test and
3747 dnl the use of force in the `epaths-force' rule in Makefile.in.
3748 AC_CONFIG_COMMANDS([epaths], [
3749 echo creating src/epaths.h
3750 ${MAKE-make} epaths-force
3751 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
3753 AC_CONFIG_COMMANDS([gdbinit], [
3754 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3755 echo creating src/.gdbinit
3756 echo source $srcdir/src/.gdbinit > src/.gdbinit
3762 dnl configure.in ends here