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)
703 if test $opsys = gnu-linux; then
704 AC_PATH_PROG(PAXCTL, paxctl,,
705 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
708 ## Need makeinfo >= 4.7 (?) to build the manuals.
709 AC_PATH_PROG(MAKEINFO, makeinfo, no)
710 dnl By this stage, configure has already checked for egrep and set EGREP,
711 dnl or exited with an error if no egrep was found.
712 if test "$MAKEINFO" != "no" && \
713 test x"`$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
717 ## Makeinfo is unusual. For a released Emacs, the manuals are
718 ## pre-built, and not deleted by the normal clean rules. makeinfo is
719 ## therefore in the category of "special tools" not normally required, which
720 ## configure does not have to check for (eg autoconf itself).
721 ## In a Bazaar checkout on the other hand, the manuals are not included.
722 ## So makeinfo is a requirement to build from Bazaar, and configure
723 ## should test for it as it does for any other build requirement.
724 ## We use the presence of $srcdir/info/emacs to distinguish a release,
725 ## with pre-built manuals, from a Bazaar checkout.
728 if test "$MAKEINFO" = "no"; then
730 if test "x${with_makeinfo}" = "xno"; then
732 elif test ! -e $srcdir/info/emacs; then
733 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
734 source tree does not seem to have pre-built manuals in the `info' directory.
735 Either install a suitable version of makeinfo, or re-run configure
736 with the `--without-makeinfo' option to build without the manuals.] )
739 AC_SUBST(HAVE_MAKEINFO)
741 dnl Just so that there is only a single place we need to edit.
747 dnl Add our options to ac_link now, after it is set up.
749 if test x$GCC = xyes; then
750 test "x$GCC_LINK_TEST_OPTIONS" != x && \
751 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
753 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
754 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
757 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
758 dnl If we can link with the flag, it shouldn't do any harm anyhow.
759 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
760 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
761 dnl if not built to support GNU ld.
763 late_LDFLAGS=$LDFLAGS
764 if test x$GCC = xyes; then
765 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
767 LDFLAGS="$LDFLAGS -znocombreloc"
770 AC_MSG_CHECKING([for -znocombreloc])
771 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
772 [AC_MSG_RESULT(yes)],
773 LDFLAGS=$late_LDFLAGS
777 dnl The function dump-emacs will not be defined and temacs will do
778 dnl (load "loadup") automatically unless told otherwise.
779 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
781 your-opsys-here) CANNOT_DUMP=yes ;;
784 test "$CANNOT_DUMP" = "yes" && \
785 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
787 AC_SUBST(CANNOT_DUMP)
792 # MSDOS uses unexcoff.o
793 # MSWindows uses unexw32.o
801 UNEXEC_OBJ=unexmacosx.o
804 UNEXEC_OBJ=unexhp9k800.o
807 # Use the Solaris dldump() function, called from unexsol.c, to dump
808 # emacs, instead of the generic ELF dump code found in unexelf.c.
809 # The resulting binary has a complete symbol table, and is better
810 # for debugging and other observability tools (debuggers, pstack, etc).
812 # If you encounter a problem using dldump(), please consider sending
813 # a message to the OpenSolaris tools-linking mailing list:
814 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
816 # It is likely that dldump() works with older Solaris too, but this has
817 # not been tested, so for now this change is for Solaris 10 or newer.
825 ## Let `ld' find image libs and similar things in /usr/local/lib.
826 ## The system compiler, GCC, has apparently been modified to not
827 ## look there, contrary to what a stock GCC would do.
828 ### It's not our place to do this. See bug#10313#17.
829 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
834 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
835 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
839 ### It's not our place to do this. See bug#10313#17.
840 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
845 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
846 ## otherwise Emacs dumps core on elf systems.
847 LD_SWITCH_SYSTEM="-Z"
850 AC_SUBST(LD_SWITCH_SYSTEM)
852 ac_link="$ac_link $LD_SWITCH_SYSTEM"
854 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
855 ## which has not been defined yet. When this was handled with cpp,
856 ## it was expanded to null when configure sourced the s/*.h file.
857 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
858 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
859 ## (or somesuch), but because it is supposed to go at the _front_
860 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
861 ## Compare with the gnu-linux case below, which added to the end
862 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
863 ## LD_SWITCH_SYSTEM_TEMACS.
866 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
873 AC_CHECK_DECL([__ELF__])
874 if test "$ac_cv_have_decl___ELF__" = "yes"; then
875 ## With ELF, make sure that all common symbols get allocated to in the
876 ## data section. Otherwise, the dump of temacs may miss variables in
877 ## the shared library that have been initialized. For example, with
878 ## GNU libc, __malloc_initialized would normally be resolved to the
879 ## shared library's .bss section, which is fatal.
880 if test "x$GCC" = "xyes"; then
881 C_SWITCH_MACHINE="-fno-common"
883 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
886 UNEXEC_OBJ=unexalpha.o
890 AC_SUBST(C_SWITCH_MACHINE)
895 ## Some programs in src produce warnings saying certain subprograms
896 ## are too complex and need a MAXMEM value greater than 2000 for
897 ## additional optimization. --nils@exp-math.uni-essen.de
898 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
899 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
900 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
901 ## It is redundant in glibc2, since we define _GNU_SOURCE.
902 AC_SUBST(C_SWITCH_SYSTEM)
907 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
908 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
910 freebsd) LIBS_SYSTEM="-lutil" ;;
912 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
914 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
916 ## Motif needs -lgen.
917 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
919 AC_SUBST(LIBS_SYSTEM)
922 ### Make sure subsequent tests use flags consistent with the build flags.
924 if test x"${OVERRIDE_CPPFLAGS}" != x; then
925 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
927 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
930 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
931 AC_DEFUN([AC_TYPE_SIZE_T])
932 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
933 AC_DEFUN([AC_TYPE_UID_T])
939 dnl Current possibilities handled by sed (aix4-2 -> aix,
940 dnl gnu-linux -> gnu/linux, etc.):
941 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
942 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
943 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
945 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
949 START_FILES='pre-crt0.o'
952 ## Adding -lm confuses the dynamic linker, so omit it.
954 START_FILES='pre-crt0.o'
957 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
958 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
959 SYSTEM_TYPE=berkeley-unix
961 gnu-linux | gnu-kfreebsd )
962 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
963 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
967 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
969 dnl NB this may be adjusted below.
971 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
972 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
973 SYSTEM_TYPE=berkeley-unix
977 SYSTEM_TYPE=usg-unix-v
983 AC_SUBST(START_FILES)
984 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
985 [The type of system you are compiling for; sets `system-type'.])
987 dnl Not all platforms use crtn.o files. Check if the current one does.
990 for file in x $LIB_STANDARD $START_FILES; do
992 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
996 if test "x$crt_files" != x; then
998 ## If user specified a crt-dir, use that unconditionally.
1001 if test "X$CRT_DIR" = "X"; then
1003 CRT_DIR=/usr/lib # default
1005 case "$canonical" in
1006 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1007 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1008 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1009 ## For anything else (eg /usr/lib32), it is up the user to specify
1010 ## the location (bug#5655).
1011 ## Test for crtn.o, not just the directory, because sometimes the
1012 ## directory exists but does not have the relevant files (bug#1287).
1013 ## FIXME better to test for binary compatibility somehow.
1014 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1017 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1021 hpux10-20) CRT_DIR=/lib ;;
1024 test "x${GCC}" = xyes && crt_gcc=yes
1030 for file in $crt_files; do
1032 ## If we're using gcc, try to determine it automatically by asking
1033 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1034 ## system-dependent default from above.]
1035 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1037 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1040 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1045 dnl We expect all the files to be in a single directory, so after the
1046 dnl first there is no point asking gcc.
1049 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1052 test "x$crt_missing" = x || \
1053 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1054 Try using the --with-crt-dir option.])
1056 fi # crt_files != ""
1062 if test -f $CRT_DIR/crti.o; then
1064 test -f $CRT_DIR/crtn.o || \
1065 AC_MSG_ERROR([Required file not found: crtn.o])
1067 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1068 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1074 # Configure gnulib before invoking PKG_CHECK_MODULES, as the latter might
1075 # for example add -lrt to RSVG_LIBS, which would then cause gnulib to
1076 # incorrectly conclude that -lrt is not needed to link clock_gettime.
1077 gl_ASSERT_NO_GNULIB_POSIXCHECK
1078 gl_ASSERT_NO_GNULIB_TESTS
1081 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1083 dnl This function definition taken from Gnome 2.0
1084 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1085 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1086 dnl also defines GSTUFF_PKG_ERRORS on error
1087 AC_DEFUN([PKG_CHECK_MODULES], [
1090 if test "$PKG_CONFIG" = "no" ; then
1091 ifelse([$4], , [AC_MSG_ERROR([
1092 *** 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])
1094 PKG_CONFIG_MIN_VERSION=0.9.0
1095 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1096 AC_MSG_CHECKING(for $2)
1098 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1099 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1100 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1107 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1108 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1109 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1115 ## If we have a custom action on failure, don't print errors, but
1116 ## do set a variable so people can do so.
1117 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1118 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1124 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1125 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1129 if test $succeeded = yes; then
1130 ifelse([$3], , :, [$3])
1132 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])
1137 if test "${with_sound}" != "no"; then
1138 # Sound support for GNU/Linux and the free BSDs.
1139 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1140 have_sound_header=yes)
1141 # Emulation library used on NetBSD.
1142 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1146 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1147 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1148 if test $HAVE_ALSA = yes; then
1149 SAVE_CFLAGS="$CFLAGS"
1151 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1152 LIBS="$ALSA_LIBS $LIBS"
1153 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1154 emacs_alsa_normal=yes,
1155 emacs_alsa_normal=no)
1156 if test "$emacs_alsa_normal" != yes; then
1157 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1158 [[snd_lib_error_set_handler (0);]])],
1159 emacs_alsa_subdir=yes,
1160 emacs_alsa_subdir=no)
1161 if test "$emacs_alsa_subdir" != yes; then
1162 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1164 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1167 CFLAGS="$SAVE_CFLAGS"
1169 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1170 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1171 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1174 dnl Define HAVE_SOUND if we have sound support. We know it works and
1175 dnl compiles only on the specified platforms. For others, it
1176 dnl probably doesn't make sense to try.
1177 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1179 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1180 gnu-linux|freebsd|netbsd)
1181 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1186 AC_SUBST(CFLAGS_SOUND)
1189 dnl checks for header files
1190 AC_CHECK_HEADERS_ONCE(
1191 linux/version.h sys/systeminfo.h
1192 stdio_ext.h fcntl.h coff.h pty.h
1193 sys/vlimit.h sys/resource.h
1194 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1196 AC_MSG_CHECKING(if personality LINUX32 can be set)
1197 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1198 emacs_cv_personality_linux32=yes,
1199 emacs_cv_personality_linux32=no)
1200 AC_MSG_RESULT($emacs_cv_personality_linux32)
1202 if test $emacs_cv_personality_linux32 = yes; then
1203 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1204 [Define to 1 if personality LINUX32 can be set.])
1207 dnl On Solaris 8 there's a compilation warning for term.h because
1208 dnl it doesn't define `bool'.
1209 AC_CHECK_HEADERS(term.h, , , -)
1211 AC_CHECK_DECLS([sys_siglist])
1212 if test $ac_cv_have_decl_sys_siglist != yes; then
1213 # For Tru64, at least:
1214 AC_CHECK_DECLS([__sys_siglist])
1215 if test $ac_cv_have_decl___sys_siglist = yes; then
1216 AC_DEFINE(sys_siglist, __sys_siglist,
1217 [Define to any substitute for sys_siglist.])
1222 dnl Check for speed_t typedef.
1223 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1224 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1225 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1226 if test $emacs_cv_speed_t = yes; then
1227 AC_DEFINE(HAVE_SPEED_T, 1,
1228 [Define to 1 if `speed_t' is declared by <termios.h>.])
1231 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1232 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1233 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1234 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1235 HAVE_EXCEPTION=$emacs_cv_struct_exception
1236 if test $emacs_cv_struct_exception != yes; then
1237 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1240 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1241 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1242 #if HAVE_SYS_SOCKET_H
1243 #include <sys/socket.h>
1245 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1246 #if HAVE_SYS_SOCKET_H
1247 #include <sys/socket.h>
1249 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1250 #if HAVE_SYS_SOCKET_H
1251 #include <sys/socket.h>
1254 dnl checks for structure members
1255 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1256 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1257 struct ifreq.ifr_addr,
1258 struct ifreq.ifr_addr.sa_len], , ,
1259 [AC_INCLUDES_DEFAULT
1260 #if HAVE_SYS_SOCKET_H
1261 #include <sys/socket.h>
1267 dnl Check for endianness.
1268 dnl AC_C_BIGENDIAN is done by gnulib.
1270 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1271 [emacs_cv_attribute_aligned],
1274 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1276 [emacs_cv_attribute_aligned=yes],
1277 [emacs_cv_attribute_aligned=no])])
1278 if test $emacs_cv_attribute_aligned = yes; then
1279 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1280 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1283 dnl check for Make feature
1284 dnl AC_PROG_MAKE_SET is done by Automake.
1289 dnl check for GNU Make if we have GCC and autodepend is on.
1290 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1291 AC_MSG_CHECKING([whether we are using GNU Make])
1293 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1294 if test "x$testval" != x; then
1297 ac_enable_autodepend=no
1299 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1300 if test $HAVE_GNU_MAKE = yes; then
1301 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1302 SAVE_CFLAGS="$CFLAGS"
1303 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1304 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1305 CFLAGS="$SAVE_CFLAGS"
1306 test -f deps.d || ac_enable_autodepend=no
1308 AC_MSG_RESULT([$ac_enable_autodepend])
1310 if test $ac_enable_autodepend = yes; then
1311 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1312 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1313 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1314 deps_frag=autodeps.mk
1317 deps_frag=$srcdir/src/$deps_frag
1320 AC_SUBST_FILE(deps_frag)
1323 lisp_frag=$srcdir/src/lisp.mk
1324 AC_SUBST_FILE(lisp_frag)
1327 dnl checks for operating system services
1328 AC_SYS_LONG_FILE_NAMES
1330 #### Choose a window system.
1333 if test "$no_x" = yes; then
1339 LD_SWITCH_X_SITE_RPATH=
1340 if test "${x_libraries}" != NONE; then
1341 if test -n "${x_libraries}"; then
1342 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1343 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1345 x_default_search_path=""
1346 x_search_path=${x_libraries}
1347 if test -z "${x_search_path}"; then
1348 x_search_path=/usr/lib
1350 for x_library in `echo ${x_search_path}: | \
1351 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1353 ${x_library}/X11/%L/%T/%N%C%S:\
1354 ${x_library}/X11/%l/%T/%N%C%S:\
1355 ${x_library}/X11/%T/%N%C%S:\
1356 ${x_library}/X11/%L/%T/%N%S:\
1357 ${x_library}/X11/%l/%T/%N%S:\
1358 ${x_library}/X11/%T/%N%S"
1359 if test x"${x_default_search_path}" = x; then
1360 x_default_search_path=${x_search_path}
1362 x_default_search_path="${x_search_path}:${x_default_search_path}"
1366 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1368 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1369 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1372 if test x"${x_includes}" = x; then
1373 bitmapdir=/usr/include/X11/bitmaps
1375 # accumulate include directories that have X11 bitmap subdirectories
1377 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1378 if test -d "${bmd}/X11/bitmaps"; then
1379 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1381 if test -d "${bmd}/bitmaps"; then
1382 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1385 if test ${bmd_acc} != "dummyval"; then
1386 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1393 tmp_CPPFLAGS="$CPPFLAGS"
1394 tmp_CFLAGS="$CFLAGS"
1395 CPPFLAGS="$CPPFLAGS -x objective-c"
1396 CFLAGS="$CFLAGS -x objective-c"
1397 TEMACS_LDFLAGS2="\${LDFLAGS}"
1399 if test "${with_ns}" != no; then
1400 if test "${opsys}" = darwin; then
1402 ns_appdir=`pwd`/nextstep/Emacs.app
1403 ns_appbindir=${ns_appdir}/Contents/MacOS
1404 ns_appresdir=${ns_appdir}/Contents/Resources
1405 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1406 elif test -f $GNUSTEP_CONFIG_FILE; then
1408 ns_appdir=`pwd`/nextstep/Emacs.app
1409 ns_appbindir=${ns_appdir}
1410 ns_appresdir=${ns_appdir}/Resources
1411 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1412 dnl FIXME sourcing this several times in subshells seems inefficient.
1413 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1414 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1415 dnl I seemed to need these as well with GNUstep-startup 0.25.
1416 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1417 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1418 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1419 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1420 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1421 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1422 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1423 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1424 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1428 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1429 dnl If they had chosen to either define it or not, we could have
1430 dnl just used AC_CHECK_DECL here.
1431 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1432 emacs_cv_objc_exceptions,
1433 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1434 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1438 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1439 if test $emacs_cv_objc_exceptions = yes; then
1440 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1441 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1442 [Define if GNUstep uses ObjC exceptions.])
1443 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1447 dnl This is only used while we test the NS headers, it gets reset below.
1448 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1450 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1451 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1452 files are missing or cannot be compiled.])])
1453 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1455 ns_have_nsinteger=yes,
1456 ns_have_nsinteger=no)
1457 if test $ns_have_nsinteger = yes; then
1458 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1461 AC_SUBST(TEMACS_LDFLAGS2)
1463 INSTALL_ARCH_INDEP_EXTRA=install-etc
1464 ns_self_contained=no
1468 if test "${HAVE_NS}" = yes; then
1469 if test "$with_toolkit_scroll_bars" = "no"; then
1470 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1473 window_system=nextstep
1475 # set up packaging dirs
1476 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1477 ns_self_contained=yes
1478 prefix=${ns_appresdir}
1479 exec_prefix=${ns_appbindir}
1480 dnl This one isn't really used, only archlibdir is.
1481 libexecdir="\${ns_appbindir}/libexec"
1482 archlibdir="\${ns_appbindir}/libexec"
1483 docdir="\${ns_appresdir}/etc"
1484 etcdir="\${ns_appresdir}/etc"
1485 dnl FIXME maybe set datarootdir instead.
1486 dnl That would also get applications, icons, man.
1487 infodir="\${ns_appresdir}/info"
1488 mandir="\${ns_appresdir}/man"
1489 lispdir="\${ns_appresdir}/lisp"
1490 leimdir="\${ns_appresdir}/leim"
1491 INSTALL_ARCH_INDEP_EXTRA=
1493 ns_frag=$srcdir/src/ns.mk
1494 NS_OBJ="fontset.o fringe.o image.o"
1495 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1497 CFLAGS="$tmp_CFLAGS"
1498 CPPFLAGS="$tmp_CPPFLAGS"
1499 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1500 AC_SUBST(ns_self_contained)
1502 AC_SUBST(NS_OBJC_OBJ)
1503 AC_SUBST(LIB_STANDARD)
1504 AC_SUBST_FILE(ns_frag)
1506 case "${window_system}" in
1510 case "${with_x_toolkit}" in
1511 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1512 motif ) USE_X_TOOLKIT=MOTIF ;;
1514 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1515 dnl USE_X_TOOLKIT is set.
1516 USE_X_TOOLKIT=none ;;
1517 gtk3 ) with_gtk3=yes
1518 USE_X_TOOLKIT=none ;;
1519 no ) USE_X_TOOLKIT=none ;;
1520 dnl If user did not say whether to use a toolkit, make this decision later:
1521 dnl use the toolkit if we have gtk, or X11R5 or newer.
1522 * ) USE_X_TOOLKIT=maybe ;;
1532 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1533 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1534 if test "$HAVE_XSERVER" = true ||
1535 test -n "$DISPLAY" ||
1536 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1537 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1538 were found. You should install the relevant development files for X
1539 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1540 sure you have development files for image handling, i.e.
1541 tiff, gif, jpeg, png and xpm.
1542 If you are sure you want Emacs compiled without X window support, pass
1548 ### If we're using X11, we should use the X menu package.
1551 yes ) HAVE_MENUS=yes ;;
1554 # Does the opsystem file prohibit the use of the GNU malloc?
1555 # Assume not, until told otherwise.
1559 [whether malloc is Doug Lea style],
1560 [emacs_cv_var_doug_lea_malloc],
1563 [[#include <malloc.h>
1564 static void hook (void) {}]],
1565 [[malloc_set_state (malloc_get_state ());
1566 __after_morecore_hook = hook;
1567 __malloc_initialize_hook = hook;]])],
1568 [emacs_cv_var_doug_lea_malloc=yes],
1569 [emacs_cv_var_doug_lea_malloc=no])])
1570 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1573 dnl See comments in aix4-2.h about maybe using system malloc there.
1576 ## darwin ld insists on the use of malloc routines in the System framework.
1577 darwin|sol2-10) system_malloc=yes ;;
1580 if test "${system_malloc}" = "yes"; then
1581 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1584 (The GNU allocators don't work with this system configuration.)"
1588 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1589 VMLIMIT_OBJ=vm-limit.o
1591 AC_SUBST(GMALLOC_OBJ)
1592 AC_SUBST(VMLIMIT_OBJ)
1594 if test "$doug_lea_malloc" = "yes" ; then
1595 if test "$GNU_MALLOC" = yes ; then
1597 (Using Doug Lea's new malloc from the GNU C Library.)"
1599 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1600 [Define to 1 if you are using the GNU C Library.])
1602 ## Use mmap directly for allocating larger buffers.
1603 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1604 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1605 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1607 gnu*) REL_ALLOC=no ;;
1611 if test x"${REL_ALLOC}" = x; then
1612 REL_ALLOC=${GNU_MALLOC}
1615 use_mmap_for_buffers=no
1617 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1621 if test $use_mmap_for_buffers = yes; then
1622 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1626 LIBS="$LIBS_SYSTEM $LIBS"
1628 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1629 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1630 AC_CHECK_LIB(dnet, dnet_ntoa)
1631 dnl This causes -lresolv to get used in subsequent tests,
1632 dnl which causes failures on some systems such as HPUX 9.
1633 dnl AC_CHECK_LIB(resolv, gethostbyname)
1635 dnl FIXME replace main with a function we actually want from this library.
1636 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1638 dnl Check if pthreads is available.
1640 AC_CHECK_HEADERS_ONCE(pthread.h)
1641 if test "$ac_cv_header_pthread_h"; then
1642 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1643 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1644 dnl testing for pthread_self if Emacs uses gmalloc.c.
1645 if test "$GMALLOC_OBJ" = gmalloc.o; then
1646 emacs_pthread_function=pthread_atfork
1648 emacs_pthread_function=pthread_self
1650 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1652 if test "$HAVE_PTHREAD" = yes; then
1653 case "${canonical}" in
1655 *) LIB_PTHREAD="-lpthread"
1656 LIBS="$LIB_PTHREAD $LIBS" ;;
1658 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1660 AC_SUBST([LIB_PTHREAD])
1662 AC_CHECK_LIB(pthreads, cma_open)
1664 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1665 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1666 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1667 ## added to LIBS in configure would never contain the pthreads part,
1668 ## but the value used in Makefiles might. FIXME?
1670 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1671 ## be harmless on older versions of X where it happens to exist.
1672 test "$opsys" = "aix4-2" && \
1673 test $ac_cv_lib_pthreads_cma_open = yes && \
1674 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1676 dnl Check for need for bigtoc support on IBM AIX
1680 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1682 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1683 *) gdb_cv_bigtoc=-bbigtoc ;;
1686 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1687 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1692 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1693 # used for the tests that follow. We set them back to REAL_CFLAGS and
1694 # REAL_CPPFLAGS later on.
1696 REAL_CFLAGS="$CFLAGS"
1697 REAL_CPPFLAGS="$CPPFLAGS"
1699 if test "${HAVE_X11}" = "yes"; then
1700 DEFS="$C_SWITCH_X_SITE $DEFS"
1701 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1703 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1704 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1706 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1707 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1708 # but it's more convenient here to set LD_RUN_PATH since this
1709 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1710 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1711 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1715 if test "${opsys}" = "gnu-linux"; then
1716 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1717 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1718 [[XOpenDisplay ("foo");]])],
1719 [xgnu_linux_first_failure=no],
1720 [xgnu_linux_first_failure=yes])
1721 if test "${xgnu_linux_first_failure}" = "yes"; then
1722 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1723 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1724 OLD_CPPFLAGS="$CPPFLAGS"
1726 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1727 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1728 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1729 LIBS="$LIBS -b i486-linuxaout"
1730 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1731 [[XOpenDisplay ("foo");]])],
1732 [xgnu_linux_second_failure=no],
1733 [xgnu_linux_second_failure=yes])
1734 if test "${xgnu_linux_second_failure}" = "yes"; then
1735 # If we get the same failure with -b, there is no use adding -b.
1736 # So take it out. This plays safe.
1737 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1738 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1739 CPPFLAGS="$OLD_CPPFLAGS"
1750 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1751 # header files included from there.
1752 AC_MSG_CHECKING(for Xkb)
1753 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1754 #include <X11/XKBlib.h>]],
1755 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1756 emacs_xkb=yes, emacs_xkb=no)
1757 AC_MSG_RESULT($emacs_xkb)
1758 if test $emacs_xkb = yes; then
1759 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1762 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1763 XScreenNumberOfScreen)
1766 if test "${window_system}" = "x11"; then
1767 AC_MSG_CHECKING(X11 version 6)
1768 AC_CACHE_VAL(emacs_cv_x11_version_6,
1769 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1770 [[#if XlibSpecificationRelease < 6
1773 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1774 if test $emacs_cv_x11_version_6 = yes; then
1775 AC_MSG_RESULT(6 or newer)
1776 AC_DEFINE(HAVE_X11R6, 1,
1777 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1778 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1779 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1783 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1784 [Define if you have usable X11R6-style XIM support.])
1788 AC_MSG_RESULT(before 6)
1793 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1795 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1796 if test "${with_rsvg}" != "no"; then
1797 RSVG_REQUIRED=2.11.0
1798 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1800 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1801 AC_SUBST(RSVG_CFLAGS)
1804 if test $HAVE_RSVG = yes; then
1805 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1806 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1807 LIBS="$RSVG_LIBS $LIBS"
1813 if test "${HAVE_X11}" = "yes"; then
1814 if test "${with_imagemagick}" != "no"; then
1815 ## 6.2.8 is the earliest version known to work, but earlier versions
1816 ## might work - let us know if you find one.
1817 ## 6.0.7 does not work. See bug#7955.
1818 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1819 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1820 AC_SUBST(IMAGEMAGICK_CFLAGS)
1821 AC_SUBST(IMAGEMAGICK_LIBS)
1823 if test $HAVE_IMAGEMAGICK = yes; then
1824 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1825 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1826 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1827 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
1835 if test "${with_gtk3}" = "yes"; then
1838 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1840 dnl Checks for libraries.
1841 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1842 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1843 AC_MSG_ERROR($GTK_PKG_ERRORS)
1845 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1846 GTK_OBJ=emacsgtkfixed.o
1849 if test "$pkg_check_gtk" != "yes"; then
1851 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1854 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1856 dnl Checks for libraries.
1857 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1858 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1859 AC_MSG_ERROR($GTK_PKG_ERRORS)
1864 if test x"$pkg_check_gtk" = xyes; then
1866 AC_SUBST(GTK_CFLAGS)
1868 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1869 CFLAGS="$CFLAGS $GTK_CFLAGS"
1870 LIBS="$GTK_LIBS $LIBS"
1871 dnl Try to compile a simple GTK program.
1873 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1874 if test "${GTK_COMPILES}" != "yes"; then
1875 if test "$USE_X_TOOLKIT" != "maybe"; then
1876 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1880 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1881 GTK_OBJ="gtkutil.o $GTK_OBJ"
1883 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1886 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1887 closing open displays. This is no problem if you just use
1888 one display, but if you use more than one and close one of them
1898 if test "${HAVE_GTK}" = "yes"; then
1900 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1901 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1902 if test "$with_toolkit_scroll_bars" != no; then
1903 with_toolkit_scroll_bars=yes
1906 dnl Check if we have the old file selection dialog declared and
1907 dnl in the link library. In 2.x it may be in the library,
1908 dnl but not declared if deprecated featured has been selected out.
1909 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1910 HAVE_GTK_FILE_SELECTION=no
1911 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1912 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1913 #include <gtk/gtk.h>])
1914 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1915 AC_CHECK_FUNCS(gtk_file_selection_new)
1919 dnl Check for functions introduced in 2.14 and later.
1920 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1921 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1922 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1923 gtk_orientable_set_orientation \
1924 gtk_window_set_has_resize_grip)
1927 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1928 dnl other platforms.
1931 if test "${with_dbus}" = "yes"; then
1932 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1933 if test "$HAVE_DBUS" = yes; then
1934 LIBS="$LIBS $DBUS_LIBS"
1935 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1936 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
1937 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
1939 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
1940 dbus_type_is_valid \
1941 dbus_validate_bus_name \
1942 dbus_validate_path \
1943 dbus_validate_interface \
1944 dbus_validate_member)
1950 dnl GSettings has been tested under GNU/Linux only.
1952 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
1953 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
1954 if test "$HAVE_GSETTINGS" = "yes"; then
1955 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
1956 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
1957 SETTINGS_LIBS="$GSETTINGS_LIBS"
1961 dnl GConf has been tested under GNU/Linux only.
1962 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1964 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1965 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1966 if test "$HAVE_GCONF" = yes; then
1967 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1968 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1969 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
1970 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
1974 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
1975 SAVE_CFLAGS="$CFLAGS"
1977 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
1978 LIBS="$SETTINGS_LIBS $LIBS"
1979 AC_CHECK_FUNCS([g_type_init])
1980 CFLAGS="$SAVE_CFLAGS"
1983 AC_SUBST(SETTINGS_CFLAGS)
1984 AC_SUBST(SETTINGS_LIBS)
1987 dnl SELinux is available for GNU/Linux only.
1990 if test "${with_selinux}" = "yes"; then
1991 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
1992 if test "$HAVE_LIBSELINUX" = yes; then
1993 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
1994 LIBSELINUX_LIBS=-lselinux
1997 AC_SUBST(LIBSELINUX_LIBS)
2000 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2001 if test "${with_gnutls}" = "yes" ; then
2002 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2003 if test "${HAVE_GNUTLS}" = "yes"; then
2004 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2007 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2008 LIBS="$LIBGNUTLS_LIBS $LIBS"
2009 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2011 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2012 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2016 AC_SUBST(LIBGNUTLS_LIBS)
2017 AC_SUBST(LIBGNUTLS_CFLAGS)
2019 dnl Do not put whitespace before the #include statements below.
2020 dnl Older compilers (eg sunos4 cc) choke on it.
2023 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2024 if test "$with_xaw3d" != no; then
2025 AC_MSG_CHECKING(for xaw3d)
2026 AC_CACHE_VAL(emacs_cv_xaw3d,
2027 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2028 #include <X11/Intrinsic.h>
2029 #include <X11/Xaw3d/Simple.h>]],
2031 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2032 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2033 emacs_cv_xaw3d=no)])
2037 if test $emacs_cv_xaw3d = yes; then
2038 AC_MSG_RESULT([yes; using Lucid toolkit])
2042 AC_DEFINE(HAVE_XAW3D, 1,
2043 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2046 AC_MSG_CHECKING(for libXaw)
2047 AC_CACHE_VAL(emacs_cv_xaw,
2048 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2049 #include <X11/Intrinsic.h>
2050 #include <X11/Xaw/Simple.h>]],
2054 if test $emacs_cv_xaw = yes; then
2055 AC_MSG_RESULT([yes; using Lucid toolkit])
2058 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2059 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2061 AC_MSG_ERROR([No X toolkit could be found.
2062 If you are sure you want Emacs compiled without an X toolkit, pass
2064 to configure. Otherwise, install the development libraries for the toolkit
2065 that you want to use (e.g. Gtk+) and re-run configure.])
2070 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2073 if test "${USE_X_TOOLKIT}" != "none"; then
2074 AC_MSG_CHECKING(X11 toolkit version)
2075 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2076 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2077 [[#if XtSpecificationRelease < 6
2080 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2081 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2082 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2083 AC_MSG_RESULT(6 or newer)
2084 AC_DEFINE(HAVE_X11XTR6, 1,
2085 [Define to 1 if you have the X11R6 or newer version of Xt.])
2086 LIBXTR6="-lSM -lICE"
2088 ## Use libw.a along with X11R6 Xt.
2089 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2092 AC_MSG_RESULT(before 6)
2095 dnl If using toolkit, check whether libXmu.a exists.
2096 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2098 if test x$HAVE_X11XTR6 = xyes; then
2099 LIBS="-lXt -lSM -lICE $LIBS"
2103 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2104 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2108 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2109 dnl Why not just test for libxmu in the normal way?
2112 ## These systems don't supply Xmu.
2114 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2119 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2120 if test "${HAVE_X11}" = "yes"; then
2121 if test "${USE_X_TOOLKIT}" != "none"; then
2122 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2127 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2128 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2129 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2130 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2133 Motif version prior to 2.1.
2135 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2136 if test $emacs_cv_motif_version_2_1 = yes; then
2137 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2139 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2140 # We put this in CFLAGS temporarily to precede other -I options
2141 # that might be in CFLAGS temporarily.
2142 # We put this in CPPFLAGS where it precedes the other -I options.
2143 OLD_CPPFLAGS=$CPPFLAGS
2145 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2146 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2147 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2149 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2150 if test $emacs_cv_lesstif = yes; then
2151 # Make sure this -I option remains in CPPFLAGS after it is set
2152 # back to REAL_CPPFLAGS.
2153 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2154 # have those other -I options anyway. Ultimately, having this
2155 # directory ultimately in CPPFLAGS will be enough.
2156 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2157 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2160 CPPFLAGS=$OLD_CPPFLAGS
2163 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2164 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2167 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2168 dnl using Motif or Xaw3d is available, and unless
2169 dnl --with-toolkit-scroll-bars=no was specified.
2171 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2172 [Define to 1 if we should use toolkit scroll bars.])dnl
2173 USE_TOOLKIT_SCROLL_BARS=no
2174 if test "${with_toolkit_scroll_bars}" != "no"; then
2175 if test "${USE_X_TOOLKIT}" != "none"; then
2176 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2177 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2179 USE_TOOLKIT_SCROLL_BARS=yes
2180 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2181 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2182 USE_TOOLKIT_SCROLL_BARS=yes
2184 elif test "${HAVE_GTK}" = "yes"; then
2185 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2186 USE_TOOLKIT_SCROLL_BARS=yes
2187 elif test "${HAVE_NS}" = "yes"; then
2188 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2189 USE_TOOLKIT_SCROLL_BARS=yes
2193 dnl See if XIM is available.
2194 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2195 #include <X11/Xlib.h>
2196 #include <X11/Xresource.h>]],
2197 [[XIMProc callback;]])],
2199 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2202 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2204 if test "${with_xim}" != "no"; then
2205 AC_DEFINE(USE_XIM, 1,
2206 [Define to 1 if we should use XIM, if it is available.])
2210 if test "${HAVE_XIM}" != "no"; then
2212 if test "$GCC" = yes; then
2213 CFLAGS="$CFLAGS --pedantic-errors"
2215 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2216 #include <X11/Xlib.h>
2217 #include <X11/Xresource.h>]],
2223 XPointer *client_data;
2225 /* If we're not using GCC, it's probably not XFree86, and this is
2226 probably right, but we can't use something like --pedantic-errors. */
2227 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2228 char*, XIMProc, XPointer*);
2230 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2232 [emacs_cv_arg6_star=yes])
2233 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2234 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2235 either XPointer or XPointer*.])dnl
2236 if test "$emacs_cv_arg6_star" = yes; then
2237 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2239 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2244 ### Start of font-backend (under any platform) section.
2245 # (nothing here yet -- this is a placeholder)
2246 ### End of font-backend (under any platform) section.
2248 ### Start of font-backend (under X11) section.
2249 if test "${HAVE_X11}" = "yes"; then
2250 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2252 ## Use -lXft if available, unless `--with-xft=no'.
2254 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2257 if test "x${with_xft}" != "xno"; then
2259 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2260 ## Because xftfont.c uses XRenderQueryExtension, we also
2261 ## need to link to -lXrender.
2263 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2264 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2265 OLD_CPPFLAGS="$CPPFLAGS"
2266 OLD_CFLAGS="$CFLAGS"
2268 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2269 CFLAGS="$CFLAGS $XFT_CFLAGS"
2270 XFT_LIBS="-lXrender $XFT_LIBS"
2271 LIBS="$XFT_LIBS $LIBS"
2272 AC_CHECK_HEADER(X11/Xft/Xft.h,
2273 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2275 if test "${HAVE_XFT}" = "yes"; then
2276 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2278 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2280 CPPFLAGS="$OLD_CPPFLAGS"
2281 CFLAGS="$OLD_CFLAGS"
2283 fi # "${HAVE_XFT}" = "yes"
2284 fi # "$HAVE_XFT" != no
2285 fi # "x${with_xft}" != "xno"
2287 ## We used to allow building with FreeType and without Xft.
2288 ## However, the ftx font backend driver is not in good shape.
2289 if test "$HAVE_XFT" != "yes"; then
2290 dnl For the "Does Emacs use" message at the end.
2294 dnl Strict linkers fail with
2295 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2296 dnl if -lfreetype is not specified.
2297 dnl The following is needed to set FREETYPE_LIBS.
2298 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2301 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2305 if test "${HAVE_FREETYPE}" = "yes"; then
2306 AC_DEFINE(HAVE_FREETYPE, 1,
2307 [Define to 1 if using the freetype and fontconfig libraries.])
2308 if test "${with_libotf}" != "no"; then
2309 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2311 if test "$HAVE_LIBOTF" = "yes"; then
2312 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2313 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2314 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2315 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2316 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2317 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2318 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2322 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2323 dnl Does the new font backend require it, or can it work without it?
2327 if test "${HAVE_LIBOTF}" = yes; then
2328 if test "${with_m17n_flt}" != "no"; then
2329 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2330 if test "$HAVE_M17N_FLT" = "yes"; then
2331 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2342 ### End of font-backend (under X11) section.
2344 AC_SUBST(FREETYPE_CFLAGS)
2345 AC_SUBST(FREETYPE_LIBS)
2346 AC_SUBST(FONTCONFIG_CFLAGS)
2347 AC_SUBST(FONTCONFIG_LIBS)
2348 AC_SUBST(LIBOTF_CFLAGS)
2349 AC_SUBST(LIBOTF_LIBS)
2350 AC_SUBST(M17N_FLT_CFLAGS)
2351 AC_SUBST(M17N_FLT_LIBS)
2353 ### Use -lXpm if available, unless `--with-xpm=no'.
2356 if test "${HAVE_X11}" = "yes"; then
2357 if test "${with_xpm}" != "no"; then
2358 AC_CHECK_HEADER(X11/xpm.h,
2359 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2360 if test "${HAVE_XPM}" = "yes"; then
2361 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2362 AC_EGREP_CPP(no_return_alloc_pixels,
2363 [#include "X11/xpm.h"
2364 #ifndef XpmReturnAllocPixels
2365 no_return_alloc_pixels
2367 ], HAVE_XPM=no, HAVE_XPM=yes)
2369 if test "${HAVE_XPM}" = "yes"; then
2377 if test "${HAVE_XPM}" = "yes"; then
2378 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2384 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2387 if test "${HAVE_X11}" = "yes"; then
2388 if test "${with_jpeg}" != "no"; then
2389 dnl Checking for jpeglib.h can lose because of a redefinition of
2391 AC_CHECK_HEADER(jerror.h,
2392 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2395 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2396 if test "${HAVE_JPEG}" = "yes"; then
2397 AC_DEFINE(HAVE_JPEG)
2398 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2399 [#include <jpeglib.h>
2400 version=JPEG_LIB_VERSION
2402 [AC_DEFINE(HAVE_JPEG)],
2403 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2406 if test "${HAVE_JPEG}" = "yes"; then
2412 ### Use -lpng if available, unless `--with-png=no'.
2415 if test "${HAVE_X11}" = "yes"; then
2416 if test "${with_png}" != "no"; then
2417 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2418 # in /usr/include/libpng.
2419 AC_CHECK_HEADERS(png.h libpng/png.h)
2420 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2421 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2425 if test "${HAVE_PNG}" = "yes"; then
2426 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2427 LIBPNG="-lpng -lz -lm"
2432 ### Use -ltiff if available, unless `--with-tiff=no'.
2435 if test "${HAVE_X11}" = "yes"; then
2436 if test "${with_tiff}" != "no"; then
2437 AC_CHECK_HEADER(tiffio.h,
2439 # At least one tiff package requires the jpeg library.
2440 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2441 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2444 if test "${HAVE_TIFF}" = "yes"; then
2445 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2446 dnl FIXME -lz -lm, as per libpng?
2452 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2455 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2456 AC_CHECK_HEADER(gif_lib.h,
2457 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2458 # Earlier versions can crash Emacs.
2459 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2461 if test "$HAVE_GIF" = yes; then
2463 elif test "$HAVE_GIF" = maybe; then
2464 # If gif_lib.h but no libgif, try libungif.
2465 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2466 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2469 if test "${HAVE_GIF}" = "yes"; then
2470 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2475 dnl Check for required libraries.
2476 if test "${HAVE_X11}" = "yes"; then
2479 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2480 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2481 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2482 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2483 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2484 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2485 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2486 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2487 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2488 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2490 if test "X${MISSING}" != X; then
2491 AC_MSG_ERROR([The following required libraries were not found:
2493 Maybe some development libraries/packages are missing?
2494 If you don't want to link with them give
2496 as options to configure])
2500 ### Use -lgpm if available, unless `--with-gpm=no'.
2503 if test "${with_gpm}" != "no"; then
2504 AC_CHECK_HEADER(gpm.h,
2505 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2507 if test "${HAVE_GPM}" = "yes"; then
2508 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2514 dnl Check for malloc/malloc.h on darwin
2515 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2518 ### Use NeXTstep API to implement GUI.
2519 if test "${HAVE_NS}" = "yes"; then
2520 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2521 if test "${NS_IMPL_COCOA}" = "yes"; then
2522 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2524 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2525 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2526 # See also .m.o rule in Makefile.in */
2527 # FIXME: are all these flags really needed? Document here why. */
2528 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2529 ## Extra CFLAGS applied to src/*.m files.
2530 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"
2532 # We also have mouse menus.
2538 ### Use session management (-lSM -lICE) if available
2541 if test "${HAVE_X11}" = "yes"; then
2542 AC_CHECK_HEADER(X11/SM/SMlib.h,
2543 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2545 if test "${HAVE_X_SM}" = "yes"; then
2546 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2550 *) LIBS="$LIBXSM $LIBS" ;;
2556 ### Use libxml (-lxml2) if available
2558 if test "${with_xml2}" != "no"; then
2559 ### I'm not sure what the version number should be, so I just guessed.
2560 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2561 if test "${HAVE_LIBXML2}" = "yes"; then
2562 LIBS="$LIBXML2_LIBS $LIBS"
2563 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2564 if test "${HAVE_LIBXML2}" = "yes"; then
2565 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2572 AC_SUBST(LIBXML2_LIBS)
2573 AC_SUBST(LIBXML2_CFLAGS)
2575 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2576 AC_CACHE_CHECK(whether netdb declares h_errno,
2577 emacs_cv_netdb_declares_h_errno,
2578 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2579 [[return h_errno;]])],
2580 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2581 if test $emacs_cv_netdb_declares_h_errno = yes; then
2582 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2585 # fmod, logb, and frexp are found in -lm on most systems.
2586 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2587 AC_CHECK_LIB(m, sqrt)
2589 # Check for mail-locking functions in a "mail" library. Probably this should
2590 # have the same check as for liblockfile below.
2591 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2592 if test $have_mail = yes; then
2594 LIBS="$LIBS_MAIL $LIBS"
2595 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2599 dnl Debian, at least:
2600 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2601 if test $have_lockfile = yes; then
2602 LIBS_MAIL=-llockfile
2603 LIBS="$LIBS_MAIL $LIBS"
2604 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2606 # If we have the shared liblockfile, assume we must use it for mail
2607 # locking (e.g. Debian). If we couldn't link against liblockfile
2608 # (no liblockfile.a installed), ensure that we don't need to.
2609 dnl This works for files generally, not just executables.
2610 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2611 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2612 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2613 if test $ac_cv_prog_liblockfile = yes; then
2614 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2615 This probably means that movemail could lose mail.
2616 There may be a `development' package to install containing liblockfile.])
2619 AC_CHECK_HEADERS_ONCE(maillock.h)
2622 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2623 ## interlock access to the mail spool. The alternative is a lock file named
2624 ## /usr/spool/mail/$USER.lock.
2627 aix4-2) mail_lock="lockf" ;;
2629 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2631 ## On GNU/Linux systems, both methods are used by various mail programs.
2632 ## I assume most people are using newer mailers that have heard of flock.
2633 ## Change this if you need to.
2634 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2635 ## configure gets the right answers, and that means *NOT* using flock.
2636 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2637 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2638 ## Debian maintainer hasn't provided a clean fix for Emacs.
2639 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2640 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2641 ## correct logic. -- fx
2642 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2643 ## liblockfile is a Free Software replacement for libmail, used on
2644 ## Debian systems and elsewhere. -rfr.
2647 if test $have_mail = yes || test $have_lockfile = yes; then
2648 test $ac_cv_header_maillock_h = yes && mail_lock=no
2654 case "$mail_lock" in
2655 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2657 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2659 *) BLESSMAIL_TARGET="need-blessmail" ;;
2661 AC_SUBST(BLESSMAIL_TARGET)
2664 AC_CHECK_FUNCS(gethostname \
2665 rename closedir mkdir rmdir getrusage get_current_dir_name \
2666 random lrand48 logb frexp fmod rint cbrt setsid \
2667 strerror fpathconf select euidaccess getpagesize setlocale \
2668 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2669 __fpending strsignal setitimer \
2670 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
2671 gai_strerror mkstemp getline getdelim fsync sync \
2672 difftime posix_memalign \
2673 getpwent endpwent getgrent endgrent \
2675 strcasecmp strncasecmp \
2676 cfmakeraw cfsetspeed copysign __executable_start)
2678 dnl Cannot use AC_CHECK_FUNCS
2679 AC_CACHE_CHECK([for __builtin_unwind_init],
2680 emacs_cv_func___builtin_unwind_init,
2681 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2682 emacs_cv_func___builtin_unwind_init=yes,
2683 emacs_cv_func___builtin_unwind_init=no)])
2684 if test $emacs_cv_func___builtin_unwind_init = yes; then
2685 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2686 [Define to 1 if you have the `__builtin_unwind_init' function.])
2689 AC_CHECK_HEADERS_ONCE(sys/un.h)
2696 AC_CHECK_FUNCS(grantpt)
2698 # PTY-related GNU extensions.
2699 AC_CHECK_FUNCS(getpt)
2701 # Check this now, so that we will NOT find the above functions in ncurses.
2702 # That is because we have not set up to link ncurses in lib-src.
2703 # It's better to believe a function is not available
2704 # than to expect to find it in ncurses.
2705 # Also we need tputs and friends to be able to build at all.
2706 AC_MSG_CHECKING([for library containing tputs])
2707 # Run a test program that contains a call to tputs, a call that is
2708 # never executed. This tests whether a pre-'main' dynamic linker
2709 # works with the library. It's too much trouble to actually call
2710 # tputs in the test program, due to portability hassles. When
2711 # cross-compiling, assume the test program will run if it links.
2712 AC_DEFUN([tputs_link_source], [
2714 [[extern void tputs (const char *, int, int (*)(int));
2715 int main (int argc, char **argv)
2718 tputs (argv[0], 0, 0);
2722 # Maybe curses should be tried earlier?
2723 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2724 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2726 if test -z "$tputs_library"; then
2730 LIBS_TERMCAP=-l$tputs_library
2732 LIBS="$LIBS_TERMCAP $LIBS"
2734 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2735 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2737 if test "X$msg" != Xno; then
2741 AC_MSG_RESULT([$msg])
2742 if test "X$msg" = Xno; then
2743 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2744 The following libraries were tried (in order):
2745 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2746 Please try installing whichever of these libraries is most appropriate
2747 for your system, together with its header files.
2748 For example, a libncurses-dev(el) or similar package.])
2751 ## Use termcap instead of terminfo?
2752 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2754 ## FIXME? In the cases below where we unconditionally set
2755 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2756 ## if that was found above to have tputs.
2757 ## Should we use the gnu* logic everywhere?
2759 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2760 ## The ncurses library has been moved out of the System framework in
2761 ## Mac OS X 10.2. So if configure detects it, set the command-line
2762 ## option to use it.
2763 darwin) LIBS_TERMCAP="-lncurses" ;;
2765 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2768 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2769 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2770 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2771 [[#if __FreeBSD_version < 400000
2774 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2776 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2778 if test $emacs_cv_freebsd_terminfo = yes; then
2779 LIBS_TERMCAP="-lncurses"
2782 LIBS_TERMCAP="-ltermcap"
2787 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2789 LIBS_TERMCAP="-ltermcap"
2793 openbsd) LIBS_TERMCAP="-lncurses" ;;
2795 ## hpux: Make sure we get select from libc rather than from libcurses
2796 ## because libcurses on HPUX 10.10 has a broken version of select.
2797 ## We used to use -lc -lcurses, but this may be cleaner.
2798 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2799 # set that way, now it uses the default). Isn't this a contradiction?
2800 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2804 TERMCAP_OBJ=tparam.o
2805 if test $TERMINFO = yes; then
2806 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2807 TERMCAP_OBJ=terminfo.o
2809 AC_SUBST(LIBS_TERMCAP)
2810 AC_SUBST(TERMCAP_OBJ)
2813 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2815 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2816 #include <arpa/nameser.h>
2817 #include <resolv.h>]],
2818 [[return res_init();]])],
2819 have_res_init=yes, have_res_init=no)
2820 if test "$have_res_init" = no; then
2822 LIBS="$LIBS -lresolv"
2823 AC_MSG_CHECKING(for res_init with -lresolv)
2824 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2825 #include <arpa/nameser.h>
2826 #include <resolv.h>]],
2827 [[return res_init();]])],
2828 have_res_init=yes, have_res_init=no)
2829 AC_MSG_RESULT($have_res_init)
2830 if test "$have_res_init" = yes ; then
2836 if test "$have_res_init" = yes; then
2837 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2840 # Do we need the Hesiod library to provide the support routines?
2842 if test "$with_hesiod" != no ; then
2843 # Don't set $LIBS here -- see comments above. FIXME which comments?
2844 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2845 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2846 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2847 if test "$resolv" = yes ; then
2852 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2853 hesiod=yes, :, $RESOLVLIB)])
2855 if test x"$hesiod" = xyes; then
2856 AC_DEFINE(HAVE_LIBHESIOD, 1,
2857 [Define to 1 if you have the hesiod library (-lhesiod).])
2863 # Do we need libresolv (due to res_init or Hesiod)?
2864 if test "$resolv" = yes ; then
2865 AC_DEFINE(HAVE_LIBRESOLV, 1,
2866 [Define to 1 if you have the resolv library (-lresolv).])
2873 # These tell us which Kerberos-related libraries to use.
2880 if test "${with_kerberos}" != no; then
2881 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2882 if test $have_com_err = yes; then
2883 COM_ERRLIB=-lcom_err
2884 LIBS="$COM_ERRLIB $LIBS"
2885 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2887 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2888 if test $have_crypto = yes; then
2890 LIBS="$CRYPTOLIB $LIBS"
2891 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2893 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2894 if test $have_k5crypto = yes; then
2895 CRYPTOLIB=-lk5crypto
2896 LIBS="$CRYPTOLIB $LIBS"
2897 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2899 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2900 if test $have_krb5=yes; then
2902 LIBS="$KRB5LIB $LIBS"
2903 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2905 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2906 if test "${with_kerberos5}" = no; then
2907 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2908 if test $have_des425 = yes; then
2910 LIBS="$DESLIB $LIBS"
2911 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2913 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2914 if test $have_des = yes; then
2916 LIBS="$DESLIB $LIBS"
2917 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2920 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2921 if test $have_krb4 = yes; then
2923 LIBS="$KRB4LIB $LIBS"
2924 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2926 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2927 if test $have_krb = yes; then
2929 LIBS="$KRB4LIB $LIBS"
2930 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2935 if test "${with_kerberos5}" != no; then
2936 AC_CHECK_HEADERS(krb5.h,
2937 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2938 [#include <krb5.h>])])
2940 AC_CHECK_HEADERS(des.h,,
2941 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2942 [AC_CHECK_HEADERS(kerberos/des.h)])])
2943 AC_CHECK_HEADERS(krb.h,,
2944 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2945 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2947 AC_CHECK_HEADERS(com_err.h)
2950 AC_SUBST(COM_ERRLIB)
2956 AC_CHECK_FUNCS(tzset)
2957 AC_MSG_CHECKING(whether localtime caches TZ)
2958 AC_CACHE_VAL(emacs_cv_localtime_cache,
2959 [if test x$ac_cv_func_tzset = xyes; then
2960 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2961 char TZ_GMT0[] = "TZ=GMT0";
2962 char TZ_PST8[] = "TZ=PST8";
2965 time_t now = time ((time_t *) 0);
2966 int hour_GMT0, hour_unset;
2967 if (putenv (TZ_GMT0) != 0)
2969 hour_GMT0 = localtime (&now)->tm_hour;
2971 hour_unset = localtime (&now)->tm_hour;
2972 if (putenv (TZ_PST8) != 0)
2974 if (localtime (&now)->tm_hour == hour_GMT0)
2977 if (localtime (&now)->tm_hour != hour_unset)
2980 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2981 [# If we have tzset, assume the worst when cross-compiling.
2982 emacs_cv_localtime_cache=yes])
2984 # If we lack tzset, report that localtime does not cache TZ,
2985 # since we can't invalidate the cache if we don't have tzset.
2986 emacs_cv_localtime_cache=no
2988 AC_MSG_RESULT($emacs_cv_localtime_cache)
2989 if test $emacs_cv_localtime_cache = yes; then
2990 AC_DEFINE(LOCALTIME_CACHE, 1,
2991 [Define to 1 if localtime caches TZ.])
2995 AC_CHECK_FUNC(socket, , ok_so_far=no)
2996 if test $ok_so_far = yes; then
2997 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2999 if test $ok_so_far = yes; then
3000 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3002 if test $ok_so_far = yes; then
3003 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3004 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3005 [Define to 1 if you have inet sockets.])
3008 if test -f /usr/lpp/X11/bin/smt.exp; then
3009 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3010 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3013 AC_MSG_CHECKING(whether system supports dynamic ptys)
3014 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3016 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3023 AC_CHECK_FUNCS(snprintf)
3025 dnl Adapted from Haible's version.
3026 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3027 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3028 [[char* cs = nl_langinfo(CODESET);]])],
3029 emacs_cv_langinfo_codeset=yes,
3030 emacs_cv_langinfo_codeset=no)
3032 if test $emacs_cv_langinfo_codeset = yes; then
3033 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3034 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3039 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3040 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3041 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3042 if test "$emacs_cv_c_restrict_arr" = yes; then
3043 AC_DEFINE(__restrict_arr, __restrict,
3044 [Define to compiler's equivalent of C99 restrict keyword in array
3045 declarations. Define as empty for no equivalent.])
3048 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3049 dnl how the tty code is related to POSIX and/or other versions of termios.
3050 dnl The following looks like a useful start.
3052 dnl AC_SYS_POSIX_TERMIOS
3053 dnl if test $ac_cv_sys_posix_termios = yes; then
3054 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3055 dnl and macros for terminal control.])
3056 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3060 darwin | gnu | hpux* | *bsd )
3061 AC_DEFINE(NO_TERMIO, 1, [Define if termio.h should not be included.])
3065 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3066 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3068 hpux* | irix6-5 | openbsd | sol2* | unixware )
3069 AC_DEFINE(BROKEN_SIGIO, 1, [Define if SIGIO should not be used.])
3075 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3076 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3081 gnu-kfreebsd) opsysfile="s/gnu-linux.h" ;;
3084 dnl SA_RESTART resets the timeout of `select', so don't use it.
3085 AC_DEFINE(BROKEN_SA_RESTART, 1, [Define if SA_RESTART should not
3087 dnl It works to open the pty's tty in the parent (Emacs), then
3088 dnl close and reopen it in the child.
3089 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
3090 works to open a pty's tty in the parent process, then close and
3091 reopen it in the child.])
3093 opsysfile="s/hpux10-20.h"
3096 openbsd) opsysfile="s/netbsd.h" ;;
3099 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
3101 opsysfile="s/sol2-6.h"
3105 # Set up the CFLAGS for real compilation, so we can substitute it.
3106 CFLAGS="$REAL_CFLAGS"
3107 CPPFLAGS="$REAL_CPPFLAGS"
3109 ## Hack to detect a buggy GCC version.
3110 if test "x$GCC" = xyes \
3111 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3112 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3113 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3114 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3117 version=$PACKAGE_VERSION
3119 ### Specify what sort of things we'll be editing into Makefile and config.h.
3120 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3122 AC_SUBST(configuration)
3127 AC_SUBST(exec_prefix)
3130 AC_SUBST(sharedstatedir)
3131 AC_SUBST(libexecdir)
3136 AC_SUBST(locallisppath)
3138 AC_SUBST(x_default_search_path)
3140 AC_SUBST(archlibdir)
3145 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3146 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3147 ## end of LIBX_BASE, but nothing ever set it.
3148 AC_SUBST(LD_SWITCH_X_SITE)
3149 AC_SUBST(C_SWITCH_X_SITE)
3150 AC_SUBST(GNUSTEP_CFLAGS)
3152 ## Used in lwlib/Makefile.in.
3153 AC_SUBST(X_TOOLKIT_TYPE)
3154 if test -n "${opsysfile}"; then
3155 S_FILE="\$(srcdir)/${opsysfile}"
3161 AC_SUBST(ns_appbindir)
3162 AC_SUBST(ns_appresdir)
3164 AC_SUBST(GNU_OBJC_CFLAGS)
3165 AC_SUBST(OTHER_FILES)
3167 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3168 [Define to the canonical Emacs configuration name.])
3169 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3170 [Define to the options passed to configure.])
3171 if test -n "$opsysfile"; then
3172 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3173 [Define to the used os dependent file.])
3179 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3180 AC_DEFINE(HAVE_X_WINDOWS, 1,
3181 [Define to 1 if you want to use the X window system.])
3183 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3185 if test "$HAVE_XFT" = "yes"; then
3186 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3187 elif test "$HAVE_FREETYPE" = "yes"; then
3188 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3198 if test "${USE_X_TOOLKIT}" != "none" ; then
3200 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3201 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3202 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3203 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3204 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3208 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3209 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3213 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3214 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3215 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3219 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3220 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3223 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3226 AC_SUBST(WIDGET_OBJ)
3229 case "$USE_X_TOOLKIT" in
3230 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3231 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3232 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3234 AC_SUBST(TOOLKIT_LIBW)
3236 if test "$USE_X_TOOLKIT" = "none"; then
3237 LIBXT_OTHER="\$(LIBXSM)"
3238 OLDXMENU_TARGET="really-oldXMenu"
3240 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3241 OLDXMENU_TARGET="really-lwlib"
3243 AC_SUBST(LIBXT_OTHER)
3245 ## The X Menu stuff is present in the X10 distribution, but missing
3246 ## from X11. If we have X10, just use the installed library;
3247 ## otherwise, use our own copy.
3248 if test "${HAVE_X11}" = "yes" ; then
3249 AC_DEFINE(HAVE_X11, 1,
3250 [Define to 1 if you want to use version 11 of X windows.
3251 Otherwise, Emacs expects to use version 10.])
3253 if test "$USE_X_TOOLKIT" = "none"; then
3254 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3256 OLDXMENU="\${lwlibdir}/liblw.a"
3258 LIBXMENU="\$(OLDXMENU)"
3259 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3260 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3262 ## For a syntactically valid Makefile; not actually used for anything.
3263 ## See comments in src/Makefile.in.
3265 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3266 if test "${HAVE_X_WINDOWS}" = "yes"; then
3275 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3282 AC_SUBST(OLDXMENU_TARGET)
3285 AC_SUBST(LIBX_OTHER)
3286 AC_SUBST(OLDXMENU_DEPS)
3288 if test "${HAVE_MENUS}" = "yes" ; then
3289 AC_DEFINE(HAVE_MENUS, 1,
3290 [Define to 1 if you have mouse menus.
3291 (This is automatic if you use X, but the option to specify it remains.)
3292 It is also defined with other window systems that support xmenu.c.])
3295 if test "${GNU_MALLOC}" = "yes" ; then
3296 AC_DEFINE(GNU_MALLOC, 1,
3297 [Define to 1 if you want to use the GNU memory allocator.])
3301 if test "${REL_ALLOC}" = "yes" ; then
3302 AC_DEFINE(REL_ALLOC, 1,
3303 [Define REL_ALLOC if you want to use the relocating allocator for
3306 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3308 AC_SUBST(RALLOC_OBJ)
3310 if test "$opsys" = "cygwin"; then
3311 CYGWIN_OBJ="sheap.o"
3312 ## Cygwin differs because of its unexec().
3314 POST_ALLOC_OBJ=lastfile.o
3317 PRE_ALLOC_OBJ=lastfile.o
3320 AC_SUBST(CYGWIN_OBJ)
3321 AC_SUBST(PRE_ALLOC_OBJ)
3322 AC_SUBST(POST_ALLOC_OBJ)
3325 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3328 ## The -headerpad option tells ld (see man page) to leave room at the
3329 ## end of the header for adding load commands. Needed for dumping.
3330 ## 0x690 is the total size of 30 segment load commands (at 56
3331 ## each); under Cocoa 31 commands are required.
3332 if test "$HAVE_NS" = "yes"; then
3333 libs_nsgui="-framework AppKit"
3339 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3341 ## This is here because src/Makefile.in did some extra fiddling around
3342 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3343 ## #ifndef LD_SWITCH_SYSTEM
3344 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3345 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3346 ## not using gcc, darwin.
3347 ## Because this was done in src/Makefile.in, the resulting part of
3348 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3349 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3350 ## rather than LD_SWITCH_SYSTEM.
3351 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3352 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3355 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
3356 ## find X at run-time.
3357 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
3358 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
3359 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3360 ## had different values in configure (in ac_link) and src/Makefile.in.
3361 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3362 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
3364 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3367 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3368 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3371 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3377 ## gnu: GNU needs its own crt0.
3378 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3380 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3381 ## library search parth, i.e. it won't search /usr/lib for libc and
3382 ## friends. Using -nostartfiles instead avoids this problem, and
3383 ## will also work on earlier NetBSD releases.
3384 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3386 ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3387 ## MkLinux/LinuxPPC needs this.
3388 ## s390x-* only supports opsys = gnu-linux so it can be added here.
3390 case "$canonical" in
3391 powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;;
3397 if test "x$ORDINARY_LINK" = "xyes"; then
3400 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3402 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3403 ## freebsd, gnu-* not on powerpc*|s390x*.
3404 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3406 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3407 ## places that are difficult to figure out at make time. Fortunately,
3408 ## these same versions allow you to pass arbitrary flags on to the
3409 ## linker, so there is no reason not to use it as a linker.
3411 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3412 ## searching for libraries in its internal directories, so we have to
3413 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3414 LD_FIRSTFLAG="-nostdlib"
3417 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3418 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3420 AC_SUBST(LD_FIRSTFLAG)
3423 ## FIXME? The logic here is not precisely the same as that above.
3424 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3425 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3427 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3430 freebsd|netbsd|openbsd) LIB_GCC= ;;
3433 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3434 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3440 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3441 ## immediately undefine it again and redefine it to empty.
3442 ## Was the C_SWITCH_X_SITE part really necessary?
3443 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3449 ## Ask GCC where to find libgcc.a.
3450 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3456 ## If we're using X11/GNUstep, define some consequences.
3457 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3458 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3459 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3463 AH_TOP([/* GNU Emacs site configuration template file.
3465 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3466 Free Software Foundation, Inc.
3468 This file is part of GNU Emacs.
3470 GNU Emacs is free software: you can redistribute it and/or modify
3471 it under the terms of the GNU General Public License as published by
3472 the Free Software Foundation, either version 3 of the License, or
3473 (at your option) any later version.
3475 GNU Emacs is distributed in the hope that it will be useful,
3476 but WITHOUT ANY WARRANTY; without even the implied warranty of
3477 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3478 GNU General Public License for more details.
3480 You should have received a copy of the GNU General Public License
3481 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3484 /* No code in Emacs #includes config.h twice, but some bits of code
3485 intended to work with other packages as well (like gmalloc.c)
3486 think they can include it as many times as they like. */
3487 #ifndef EMACS_CONFIG_H
3488 #define EMACS_CONFIG_H
3492 /* On AIX 3 this must be included before any other include file. */
3495 # error "alloca not available on this machine"
3498 /* Define AMPERSAND_FULL_NAME if you use the convention
3499 that & in the full name stands for the login id. */
3500 /* Turned on June 1996 supposing nobody will mind it. */
3501 #define AMPERSAND_FULL_NAME
3503 /* `subprocesses' should be defined if you want to
3504 have code for asynchronous subprocesses
3505 (as used in M-x compile and M-x shell).
3506 Only MSDOS does not support this (it overrides
3507 this in its config_opsysfile below). */
3509 #define subprocesses
3511 /* Include the os dependent file. */
3512 #ifdef config_opsysfile
3513 # include config_opsysfile
3516 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3517 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3518 (There is probably a better place to do this, but right now the
3519 Cocoa side does this in s/darwin.h and we cannot parallel this
3520 exactly since GNUstep is multi-OS. */
3521 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3522 # define SYSTEM_PURESIZE_EXTRA 30000
3525 #ifdef emacs /* Don't do this for lib-src. */
3526 /* Tell regex.c to use a type compatible with Emacs. */
3527 #define RE_TRANSLATE_TYPE Lisp_Object
3528 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3530 /* If make_number is a macro, use it. */
3531 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3533 /* If make_number is a function, avoid it. */
3534 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3541 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3542 #define NO_INLINE __attribute__((noinline))
3547 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3548 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3550 #define EXTERNALLY_VISIBLE
3553 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3554 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3556 # define ATTRIBUTE_FORMAT(spec) /* empty */
3559 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3560 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3561 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3563 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3564 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3567 /* Some versions of GNU/Linux define noinline in their headers. */
3572 /* These won't be used automatically yet. We also need to know, at least,
3573 that the stack is continuous. */
3575 # ifndef GC_SETJMP_WORKS
3576 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3577 # define GC_SETJMP_WORKS 1
3581 #endif /* EMACS_CONFIG_H */
3590 #### Report on what we decided to do.
3591 #### Report GTK as a toolkit, even if it doesn't use Xt.
3592 #### It makes printing result more understandable as using GTK sets
3593 #### toolkit_scroll_bars to yes by default.
3594 if test "${HAVE_GTK}" = "yes"; then
3599 Configured for \`${canonical}'.
3601 Where should the build process find the source code? ${srcdir}
3602 What operating system file should Emacs use? ${opsysfile-none}
3603 What compiler should emacs be built with? ${CC} ${CFLAGS}
3604 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3605 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3606 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3607 What window system should Emacs use? ${window_system}
3608 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3610 if test -n "${x_includes}"; then
3611 echo " Where do we find X Windows header files? ${x_includes}"
3613 echo " Where do we find X Windows header files? Standard dirs"
3615 if test -n "${x_libraries}"; then
3616 echo " Where do we find X Windows libraries? ${x_libraries}"
3618 echo " Where do we find X Windows libraries? Standard dirs"
3621 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3622 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3623 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3624 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3625 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3626 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3627 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3628 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3630 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3631 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3632 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3633 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3634 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3635 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3636 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3638 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3639 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3640 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3641 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3643 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3646 if test -n "${EMACSDATA}"; then
3647 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3649 if test -n "${EMACSDOC}"; then
3650 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3653 if test $USE_XASSERTS = yes; then
3654 echo " Compiling with asserts turned on."
3655 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3660 if test "$HAVE_NS" = "yes"; then
3662 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3663 The installed application will go to nextstep/Emacs.app and can be
3664 run or moved from there."
3665 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3666 echo "The application will be fully self-contained."
3668 echo "The lisp resources for the application will be installed under ${prefix}.
3669 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3670 to run if these resources are not installed."
3675 if test "${opsys}" = "cygwin"; then
3677 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3683 # Remove any trailing slashes in these variables.
3684 [test "${prefix}" != NONE &&
3685 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3686 test "${exec_prefix}" != NONE &&
3687 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3689 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3690 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3691 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3692 dnl (else you get "no `Makefile.am' found for any configure output").
3693 dnl This will work, but you get a config.status that is not quite right
3694 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3695 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3696 dnl it seems better to just live with the duplication.
3697 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"
3699 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3700 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3701 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3704 dnl test/ is not present in release tarfiles.
3705 opt_makefile=test/automated/Makefile
3707 if test -f $srcdir/${opt_makefile}.in; then
3708 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3709 dnl Again, it's best not to use a variable. Though you can add
3710 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3711 AC_CONFIG_FILES([test/automated/Makefile])
3715 dnl admin/ may or may not be present.
3716 opt_makefile=admin/unidata/Makefile
3718 if test -f $srcdir/${opt_makefile}.in; then
3719 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3720 AC_CONFIG_FILES([admin/unidata/Makefile])
3724 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3726 AC_SUBST(SUBDIR_MAKEFILES_IN)
3728 dnl Make the necessary directories, if they don't exist.
3729 AC_CONFIG_COMMANDS([mkdirs], [
3730 for dir in etc lisp ; do
3731 test -d ${dir} || mkdir ${dir}
3735 dnl You might wonder (I did) why epaths.h is generated by running make,
3736 dnl rather than just letting configure generate it from epaths.in.
3737 dnl One reason is that the various paths are not fully expanded (see above);
3738 dnl eg gamedir=${prefix}/var/games/emacs.
3739 dnl Secondly, the GNU Coding standards require that one should be able
3740 dnl to run `make prefix=/some/where/else' and override the values set
3741 dnl by configure. This also explains the `move-if-change' test and
3742 dnl the use of force in the `epaths-force' rule in Makefile.in.
3743 AC_CONFIG_COMMANDS([epaths], [
3744 echo creating src/epaths.h
3745 ${MAKE-make} epaths-force
3746 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
3748 AC_CONFIG_COMMANDS([gdbinit], [
3749 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3750 echo creating src/.gdbinit
3751 echo source $srcdir/src/.gdbinit > src/.gdbinit
3757 dnl configure.in ends here