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(locallisppath,
234 [AS_HELP_STRING([--enable-locallisppath=PATH],
235 [directories Emacs should search for lisp files specific
237 if test "${enableval}" = "no"; then
239 elif test "${enableval}" != "yes"; then
240 locallisppath=${enableval}
243 AC_ARG_ENABLE(checking,
244 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
245 [enable expensive run-time checks. With LIST,
246 enable only specific categories of checks.
247 Categories are: all,yes,no.
248 Flags are: stringbytes, stringoverrun, stringfreelist,
249 xmallocoverrun, conslist, glyphs])],
250 [ac_checking_flags="${enableval}"],[])
251 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
252 for check in $ac_checking_flags
255 # these set all the flags to specific states
256 yes) ac_enable_checking=1 ;;
257 no) ac_enable_checking= ;
258 ac_gc_check_stringbytes= ;
259 ac_gc_check_string_overrun= ;
260 ac_gc_check_string_free_list= ;
261 ac_xmalloc_overrun= ;
262 ac_gc_check_cons_list= ;
264 all) ac_enable_checking=1 ;
265 ac_gc_check_stringbytes=1 ;
266 ac_gc_check_string_overrun=1 ;
267 ac_gc_check_string_free_list=1 ;
268 ac_xmalloc_overrun=1 ;
269 ac_gc_check_cons_list=1 ;
271 # these enable particular checks
272 stringbytes) ac_gc_check_stringbytes=1 ;;
273 stringoverrun) ac_gc_check_string_overrun=1 ;;
274 stringfreelist) ac_gc_check_string_free_list=1 ;;
275 xmallocoverrun) ac_xmalloc_overrun=1 ;;
276 conslist) ac_gc_check_cons_list=1 ;;
277 glyphs) ac_glyphs_debug=1 ;;
278 *) AC_MSG_ERROR(unknown check category $check) ;;
283 if test x$ac_enable_checking != x ; then
284 AC_DEFINE(ENABLE_CHECKING, 1,
285 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
287 if test x$ac_gc_check_stringbytes != x ; then
288 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
289 [Define this temporarily to hunt a bug. If defined, the size of
290 strings is redundantly recorded in sdata structures so that it can
291 be compared to the sizes recorded in Lisp strings.])
293 if test x$ac_gc_check_string_overrun != x ; then
294 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
295 [Define this to check for short string overrun.])
297 if test x$ac_gc_check_string_free_list != x ; then
298 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
299 [Define this to check the string free list.])
301 if test x$ac_xmalloc_overrun != x ; then
302 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
303 [Define this to check for malloc buffer overrun.])
305 if test x$ac_gc_check_cons_list != x ; then
306 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
307 [Define this to check for errors in cons list.])
309 if test x$ac_glyphs_debug != x ; then
310 AC_DEFINE(GLYPH_DEBUG, 1,
311 [Define this to enable glyphs debugging code.])
314 AC_ARG_ENABLE(check-lisp-object-type,
315 [AS_HELP_STRING([--enable-check-lisp-object-type],
316 [enable compile time checks for the Lisp_Object data type.
317 This is useful for development for catching certain types of bugs.])],
318 if test "${enableval}" != "no"; then
319 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
320 [Define this to enable compile time checks for the Lisp_Object data type.])
324 AC_ARG_ENABLE(profiling,
325 [AS_HELP_STRING([--enable-profiling],
326 [build emacs with profiling support.
327 This might not work on all platforms])],
328 [ac_enable_profiling="${enableval}"],[])
329 if test x$ac_enable_profiling != x ; then
330 PROFILING_CFLAGS="-DPROFILING=1 -pg"
334 AC_SUBST(PROFILING_CFLAGS)
336 AC_ARG_ENABLE(autodepend,
337 [AS_HELP_STRING([--enable-autodepend],
338 [automatically generate dependencies to .h-files.
339 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
341 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
343 #### Make srcdir absolute, if it isn't already. It's important to
344 #### avoid running the path through pwd unnecessarily, since pwd can
345 #### give you automounter prefixes, which can go away. We do all this
346 #### so Emacs can find its files when run uninstalled.
347 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
352 ## We may be able to use the $PWD environment variable to make this
353 ## absolute. But sometimes PWD is inaccurate.
354 ## Note: we used to use ${PWD} at the end instead of `pwd`,
355 ## but that tested only for a well-formed and valid PWD,
356 ## it did not object when PWD was well-formed and valid but just wrong.
357 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
361 srcdir="`(cd ${srcdir}; pwd)`"
364 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
367 #### Given the configuration name, set opsysfile to the
368 #### name of s/*.h file we should use.
370 ### Canonicalize the configuration name.
374 configuration=${host_alias-${build_alias-$host}}
376 dnl This used to use changequote, but, apart from `changequote is evil'
377 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
378 dnl the great gob of text. Thus it's not processed for possible expansion.
379 dnl Just make sure the brackets remain balanced.
381 dnl Since Emacs can't find matching pairs of quotes, boundaries are
382 dnl indicated by comments.
386 ### If you add support for a new configuration, add code to this
387 ### switch statement to recognize your configuration name and select
388 ### the appropriate operating system file.
390 ### You would hope that you could choose an s/*.h
391 ### file based on the operating system portion. However, it turns out
392 ### that each s/*.h file is pretty manufacturer-specific.
393 ### So we basically have to have a special case for each
394 ### configuration name.
396 ### As far as handling version numbers on operating systems is
397 ### concerned, make sure things will fail in a fixable way. If
398 ### /etc/MACHINES doesn't say anything about version numbers, be
399 ### prepared to handle anything reasonably. If version numbers
400 ### matter, be sure /etc/MACHINES says something about it.
403 case "${canonical}" in
405 ## GNU/Linux and similar ports
415 ## FreeBSD kernel + glibc based userland
430 ## Apple Darwin / Mac OS X
432 case "${canonical}" in
439 ## Use fink packages if available.
440 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
441 ## if test -d /sw/include && test -d /sw/lib; then
442 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
443 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
447 ## HP 9000 series 700 and 800, running HP/UX
451 hppa*-hp-hpux1[1-9]* )
453 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
457 rs6000-ibm-aix4.[23]* )
460 powerpc-ibm-aix4.[23]* )
463 rs6000-ibm-aix[56]* )
466 powerpc-ibm-aix[56]* )
470 ## Silicon Graphics machines
474 # Without defining _LANGUAGE_C, things get masked out in the headers
475 # so that, for instance, grepping for `free' in stdlib.h fails and
476 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
477 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
482 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
483 | x86_64-*-solaris2* | x86_64-*-sunos5*)
484 case "${canonical}" in
486 amd64-*-*|x86_64-*-*) ;;
490 case "${canonical}" in
491 *-sunos5.6* | *-solaris2.6* )
495 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
497 emacs_check_sunpro_c=yes
499 *-sunos5* | *-solaris* )
501 emacs_check_sunpro_c=yes
504 ## Watch out for a compiler that we know will not work.
505 case "${canonical}" in
506 *-solaris* | *-sunos5* )
507 if [ "x$CC" = x/usr/ucb/cc ]; then
508 ## /usr/ucb/cc doesn't work;
509 ## we should find some other compiler that does work.
517 ## Intel 386 machines where we don't care about the manufacturer.
519 case "${canonical}" in
520 *-cygwin ) opsys=cygwin ;;
521 *-darwin* ) opsys=darwin ;;
522 *-sysv4.2uw* ) opsys=unixware ;;
523 *-sysv5uw* ) opsys=unixware ;;
524 *-sysv5OpenUNIX* ) opsys=unixware ;;
525 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
534 ### If the code above didn't choose an operating system, just choose
535 ### an operating system based on the configuration name. You really
536 ### only want to use this when you have no idea what the right
537 ### operating system is; if you know what operating systems a machine
538 ### runs, it's cleaner to make it explicit in the case statement
540 if test x"${opsys}" = x; then
541 case "${canonical}" in
542 *-gnu* ) opsys=gnu ;;
552 if test $unported = yes; then
553 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
554 Check `etc/MACHINES' for recognized configuration names.])
557 opsysfile="s/${opsys}.h"
560 #### Choose a compiler.
562 dnl Sets GCC=yes if using gcc.
566 if test x$GCC = xyes; then
567 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
569 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
572 # Initialize gnulib right after choosing the compiler.
575 AC_ARG_ENABLE([gcc-warnings],
576 [AS_HELP_STRING([--enable-gcc-warnings],
577 [turn on lots of GCC warnings (for developers)])],
580 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
582 gl_gcc_warnings=$enableval],
586 AC_ARG_ENABLE(link-time-optimization,
587 [AS_HELP_STRING([--enable-link-time-optimization],
588 [build emacs with link-time optimization.
589 This is supported only for GCC since 4.5.0.])],
590 if test "${enableval}" != "no"; then
591 AC_MSG_CHECKING([whether link-time optimization is supported])
593 if test x$GCC = xyes; then
594 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
595 if test x$CPUS != x; then
601 CFLAGS="$CFLAGS $LTO"
602 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
603 [ac_lto_supported=yes], [ac_lto_supported=no])
606 AC_MSG_RESULT([$ac_lto_supported])
607 if test "$ac_lto_supported" = "yes"; then
608 CFLAGS="$CFLAGS $LTO"
612 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
613 # ------------------------------------------------
614 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
615 # Otherwise, run RUN-IF-NOT-FOUND.
616 AC_DEFUN([gl_GCC_VERSION_IFELSE],
620 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
623 # error "your version of gcc is older than $1.$2"
630 # When compiling with GCC, prefer -isystem to -I when including system
631 # include files, to avoid generating useless diagnostics for the files.
632 if test "$gl_gcc_warnings" != yes; then
637 # This, $nw, is the list of warnings we disable.
640 case $with_x_toolkit in
641 lucid | athena | motif)
642 # Old toolkits mishandle 'const'.
643 nw="$nw -Wwrite-strings"
646 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
649 AC_SUBST([WERROR_CFLAGS])
651 nw="$nw -Waggregate-return" # anachronistic
652 nw="$nw -Wlong-long" # C90 is anachronistic
653 nw="$nw -Wc++-compat" # We don't care about C++ compilers
654 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
655 nw="$nw -Wtraditional" # Warns on #elif which we use often
656 nw="$nw -Wcast-qual" # Too many warnings for now
657 nw="$nw -Wconversion" # Too many warnings for now
658 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
659 nw="$nw -Wsign-conversion" # Too many warnings for now
660 nw="$nw -Woverlength-strings" # Not a problem these days
661 nw="$nw -Wtraditional-conversion" # Too many warnings for now
662 nw="$nw -Wpadded" # Our structs are not padded
663 nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc.
664 nw="$nw -Wlogical-op" # any use of fwrite provokes this
665 nw="$nw -Wformat-nonliteral" # Emacs does this a lot
666 nw="$nw -Wvla" # warnings in gettext.h
667 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
668 nw="$nw -Wswitch-enum" # Too many warnings for now
669 nw="$nw -Wswitch-default" # Too many warnings for now
670 nw="$nw -Wfloat-equal" # e.g., ftoastr.c
671 nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p
673 # Emacs doesn't care about shadowing; see
674 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
677 # The following lines should be removable at some point.
678 nw="$nw -Wstack-protector"
679 nw="$nw -Wstrict-overflow"
680 nw="$nw -Wsuggest-attribute=const"
681 nw="$nw -Wsuggest-attribute=pure"
683 gl_MANYWARN_ALL_GCC([ws])
684 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
688 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
689 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
690 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
691 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
692 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
693 gl_WARN_ADD([-Wno-format-nonliteral])
695 # In spite of excluding -Wlogical-op above, it is enabled, as of
696 # gcc 4.5.0 20090517.
697 gl_WARN_ADD([-Wno-logical-op])
699 gl_WARN_ADD([-fdiagnostics-show-option])
700 gl_WARN_ADD([-funit-at-a-time])
702 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
703 AC_DEFINE([_FORTIFY_SOURCE], [2],
704 [enable compile-time and run-time bounds-checking, and some warnings])
705 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
707 # We use a slightly smaller set of warning options for lib/.
708 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
710 nw="$nw -Wunused-macros"
712 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
713 AC_SUBST([GNULIB_WARN_CFLAGS])
718 dnl Some other nice autoconf tests.
719 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
722 dnl if test "x$RANLIB" = x; then
726 AC_PATH_PROG(INSTALL_INFO, install-info, :,
727 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
728 dnl Don't use GZIP, which is used by gzip for additional parameters.
729 AC_PATH_PROG(GZIP_PROG, gzip)
731 if test $opsys = gnu-linux; then
732 AC_PATH_PROG(PAXCTL, paxctl,,
733 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
736 ## Need makeinfo >= 4.7 (?) to build the manuals.
737 AC_PATH_PROG(MAKEINFO, makeinfo, no)
738 dnl By this stage, configure has already checked for egrep and set EGREP,
739 dnl or exited with an error if no egrep was found.
740 if test "$MAKEINFO" != "no" && \
741 test x"`$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
745 ## Makeinfo is unusual. For a released Emacs, the manuals are
746 ## pre-built, and not deleted by the normal clean rules. makeinfo is
747 ## therefore in the category of "special tools" not normally required, which
748 ## configure does not have to check for (eg autoconf itself).
749 ## In a Bazaar checkout on the other hand, the manuals are not included.
750 ## So makeinfo is a requirement to build from Bazaar, and configure
751 ## should test for it as it does for any other build requirement.
752 ## We use the presence of $srcdir/info/emacs to distinguish a release,
753 ## with pre-built manuals, from a Bazaar checkout.
756 if test "$MAKEINFO" = "no"; then
758 if test "x${with_makeinfo}" = "xno"; then
760 elif test ! -e $srcdir/info/emacs; then
761 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
762 source tree does not seem to have pre-built manuals in the `info' directory.
763 Either install a suitable version of makeinfo, or re-run configure
764 with the `--without-makeinfo' option to build without the manuals.] )
767 AC_SUBST(HAVE_MAKEINFO)
769 dnl Just so that there is only a single place we need to edit.
775 dnl Add our options to ac_link now, after it is set up.
777 if test x$GCC = xyes; then
778 test "x$GCC_LINK_TEST_OPTIONS" != x && \
779 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
781 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
782 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
785 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
786 dnl If we can link with the flag, it shouldn't do any harm anyhow.
787 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
788 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
789 dnl if not built to support GNU ld.
791 late_LDFLAGS=$LDFLAGS
792 if test x$GCC = xyes; then
793 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
795 LDFLAGS="$LDFLAGS -znocombreloc"
798 AC_MSG_CHECKING([for -znocombreloc])
799 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
800 [AC_MSG_RESULT(yes)],
801 LDFLAGS=$late_LDFLAGS
805 dnl The function dump-emacs will not be defined and temacs will do
806 dnl (load "loadup") automatically unless told otherwise.
807 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
809 your-opsys-here) CANNOT_DUMP=yes ;;
812 test "$CANNOT_DUMP" = "yes" && \
813 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
815 AC_SUBST(CANNOT_DUMP)
820 # MSDOS uses unexcoff.o
821 # MSWindows uses unexw32.o
829 UNEXEC_OBJ=unexmacosx.o
832 UNEXEC_OBJ=unexhp9k800.o
835 # Use the Solaris dldump() function, called from unexsol.c, to dump
836 # emacs, instead of the generic ELF dump code found in unexelf.c.
837 # The resulting binary has a complete symbol table, and is better
838 # for debugging and other observability tools (debuggers, pstack, etc).
840 # If you encounter a problem using dldump(), please consider sending
841 # a message to the OpenSolaris tools-linking mailing list:
842 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
844 # It is likely that dldump() works with older Solaris too, but this has
845 # not been tested, so for now this change is for Solaris 10 or newer.
853 ## Let `ld' find image libs and similar things in /usr/local/lib.
854 ## The system compiler, GCC, has apparently been modified to not
855 ## look there, contrary to what a stock GCC would do.
856 ### It's not our place to do this. See bug#10313#17.
857 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
862 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
863 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
867 ### It's not our place to do this. See bug#10313#17.
868 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
873 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
874 ## otherwise Emacs dumps core on elf systems.
875 LD_SWITCH_SYSTEM="-Z"
878 AC_SUBST(LD_SWITCH_SYSTEM)
880 ac_link="$ac_link $LD_SWITCH_SYSTEM"
882 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
883 ## which has not been defined yet. When this was handled with cpp,
884 ## it was expanded to null when configure sourced the s/*.h file.
885 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
886 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
887 ## (or somesuch), but because it is supposed to go at the _front_
888 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
889 ## Compare with the gnu-linux case below, which added to the end
890 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
891 ## LD_SWITCH_SYSTEM_TEMACS.
894 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
901 AC_CHECK_DECL([__ELF__])
902 if test "$ac_cv_have_decl___ELF__" = "yes"; then
903 ## With ELF, make sure that all common symbols get allocated to in the
904 ## data section. Otherwise, the dump of temacs may miss variables in
905 ## the shared library that have been initialized. For example, with
906 ## GNU libc, __malloc_initialized would normally be resolved to the
907 ## shared library's .bss section, which is fatal.
908 if test "x$GCC" = "xyes"; then
909 C_SWITCH_MACHINE="-fno-common"
911 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
914 UNEXEC_OBJ=unexalpha.o
918 AC_SUBST(C_SWITCH_MACHINE)
923 ## Some programs in src produce warnings saying certain subprograms
924 ## are too complex and need a MAXMEM value greater than 2000 for
925 ## additional optimization. --nils@exp-math.uni-essen.de
926 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
927 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
928 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
929 ## It is redundant in glibc2, since we define _GNU_SOURCE.
930 AC_SUBST(C_SWITCH_SYSTEM)
935 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
936 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
938 freebsd) LIBS_SYSTEM="-lutil" ;;
940 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
942 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
944 ## Motif needs -lgen.
945 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
947 AC_SUBST(LIBS_SYSTEM)
950 ### Make sure subsequent tests use flags consistent with the build flags.
952 if test x"${OVERRIDE_CPPFLAGS}" != x; then
953 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
955 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
958 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
959 AC_DEFUN([AC_TYPE_SIZE_T])
960 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
961 AC_DEFUN([AC_TYPE_UID_T])
967 dnl Current possibilities handled by sed (aix4-2 -> aix,
968 dnl gnu-linux -> gnu/linux, etc.):
969 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
970 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
971 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
973 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
977 START_FILES='pre-crt0.o'
980 ## Adding -lm confuses the dynamic linker, so omit it.
982 START_FILES='pre-crt0.o'
985 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
986 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
987 SYSTEM_TYPE=berkeley-unix
989 gnu-linux | gnu-kfreebsd )
990 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
991 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
995 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
997 dnl NB this may be adjusted below.
999 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1000 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1001 SYSTEM_TYPE=berkeley-unix
1005 SYSTEM_TYPE=usg-unix-v
1011 AC_SUBST(START_FILES)
1012 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1013 [The type of system you are compiling for; sets `system-type'.])
1015 dnl Not all platforms use crtn.o files. Check if the current one does.
1018 for file in x $LIB_STANDARD $START_FILES; do
1020 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1024 if test "x$crt_files" != x; then
1026 ## If user specified a crt-dir, use that unconditionally.
1029 if test "X$CRT_DIR" = "X"; then
1031 CRT_DIR=/usr/lib # default
1033 case "$canonical" in
1034 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1035 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1036 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1037 ## For anything else (eg /usr/lib32), it is up the user to specify
1038 ## the location (bug#5655).
1039 ## Test for crtn.o, not just the directory, because sometimes the
1040 ## directory exists but does not have the relevant files (bug#1287).
1041 ## FIXME better to test for binary compatibility somehow.
1042 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1045 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1049 hpux10-20) CRT_DIR=/lib ;;
1052 test "x${GCC}" = xyes && crt_gcc=yes
1058 for file in $crt_files; do
1060 ## If we're using gcc, try to determine it automatically by asking
1061 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1062 ## system-dependent default from above.]
1063 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1065 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1068 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1073 dnl We expect all the files to be in a single directory, so after the
1074 dnl first there is no point asking gcc.
1077 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1080 test "x$crt_missing" = x || \
1081 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1082 Try using the --with-crt-dir option.])
1084 fi # crt_files != ""
1090 if test -f $CRT_DIR/crti.o; then
1092 test -f $CRT_DIR/crtn.o || \
1093 AC_MSG_ERROR([Required file not found: crtn.o])
1095 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1096 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1102 # Configure gnulib before invoking PKG_CHECK_MODULES, as the latter might
1103 # for example add -lrt to RSVG_LIBS, which would then cause gnulib to
1104 # incorrectly conclude that -lrt is not needed to link clock_gettime.
1105 gl_ASSERT_NO_GNULIB_POSIXCHECK
1106 gl_ASSERT_NO_GNULIB_TESTS
1109 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1111 dnl This function definition taken from Gnome 2.0
1112 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1113 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1114 dnl also defines GSTUFF_PKG_ERRORS on error
1115 AC_DEFUN([PKG_CHECK_MODULES], [
1118 if test "$PKG_CONFIG" = "no" ; then
1119 ifelse([$4], , [AC_MSG_ERROR([
1120 *** 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])
1122 PKG_CONFIG_MIN_VERSION=0.9.0
1123 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1124 AC_MSG_CHECKING(for $2)
1126 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1127 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1128 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1135 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1136 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1137 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1143 ## If we have a custom action on failure, don't print errors, but
1144 ## do set a variable so people can do so.
1145 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1146 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1152 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1153 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1157 if test $succeeded = yes; then
1158 ifelse([$3], , :, [$3])
1160 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])
1165 if test "${with_sound}" != "no"; then
1166 # Sound support for GNU/Linux and the free BSDs.
1167 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1168 have_sound_header=yes)
1169 # Emulation library used on NetBSD.
1170 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1174 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1175 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1176 if test $HAVE_ALSA = yes; then
1177 SAVE_CFLAGS="$CFLAGS"
1179 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1180 LIBS="$ALSA_LIBS $LIBS"
1181 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1182 emacs_alsa_normal=yes,
1183 emacs_alsa_normal=no)
1184 if test "$emacs_alsa_normal" != yes; then
1185 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1186 [[snd_lib_error_set_handler (0);]])],
1187 emacs_alsa_subdir=yes,
1188 emacs_alsa_subdir=no)
1189 if test "$emacs_alsa_subdir" != yes; then
1190 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1192 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1195 CFLAGS="$SAVE_CFLAGS"
1197 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1198 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1199 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1202 dnl Define HAVE_SOUND if we have sound support. We know it works and
1203 dnl compiles only on the specified platforms. For others, it
1204 dnl probably doesn't make sense to try.
1205 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1207 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1208 gnu-linux|freebsd|netbsd)
1209 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1214 AC_SUBST(CFLAGS_SOUND)
1217 dnl checks for header files
1218 AC_CHECK_HEADERS_ONCE(
1219 linux/version.h sys/systeminfo.h
1220 stdio_ext.h fcntl.h coff.h pty.h
1221 sys/vlimit.h sys/resource.h
1222 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1224 AC_MSG_CHECKING(if personality LINUX32 can be set)
1225 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1226 emacs_cv_personality_linux32=yes,
1227 emacs_cv_personality_linux32=no)
1228 AC_MSG_RESULT($emacs_cv_personality_linux32)
1230 if test $emacs_cv_personality_linux32 = yes; then
1231 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1232 [Define to 1 if personality LINUX32 can be set.])
1235 dnl On Solaris 8 there's a compilation warning for term.h because
1236 dnl it doesn't define `bool'.
1237 AC_CHECK_HEADERS(term.h, , , -)
1239 AC_CHECK_DECLS([sys_siglist])
1240 if test $ac_cv_have_decl_sys_siglist != yes; then
1241 # For Tru64, at least:
1242 AC_CHECK_DECLS([__sys_siglist])
1243 if test $ac_cv_have_decl___sys_siglist = yes; then
1244 AC_DEFINE(sys_siglist, __sys_siglist,
1245 [Define to any substitute for sys_siglist.])
1250 dnl Check for speed_t typedef.
1251 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1252 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1253 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1254 if test $emacs_cv_speed_t = yes; then
1255 AC_DEFINE(HAVE_SPEED_T, 1,
1256 [Define to 1 if `speed_t' is declared by <termios.h>.])
1259 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1260 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1261 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1262 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1263 HAVE_EXCEPTION=$emacs_cv_struct_exception
1264 if test $emacs_cv_struct_exception != yes; then
1265 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1268 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1269 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1270 #if HAVE_SYS_SOCKET_H
1271 #include <sys/socket.h>
1273 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1274 #if HAVE_SYS_SOCKET_H
1275 #include <sys/socket.h>
1277 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1278 #if HAVE_SYS_SOCKET_H
1279 #include <sys/socket.h>
1282 dnl checks for structure members
1283 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1284 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1285 struct ifreq.ifr_addr,
1286 struct ifreq.ifr_addr.sa_len], , ,
1287 [AC_INCLUDES_DEFAULT
1288 #if HAVE_SYS_SOCKET_H
1289 #include <sys/socket.h>
1295 dnl Check for endianness.
1296 dnl AC_C_BIGENDIAN is done by gnulib.
1298 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1299 [emacs_cv_attribute_aligned],
1302 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1304 [emacs_cv_attribute_aligned=yes],
1305 [emacs_cv_attribute_aligned=no])])
1306 if test $emacs_cv_attribute_aligned = yes; then
1307 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1308 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1311 dnl check for Make feature
1312 dnl AC_PROG_MAKE_SET is done by Automake.
1317 dnl check for GNU Make if we have GCC and autodepend is on.
1318 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1319 AC_MSG_CHECKING([whether we are using GNU Make])
1321 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1322 if test "x$testval" != x; then
1325 ac_enable_autodepend=no
1327 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1328 if test $HAVE_GNU_MAKE = yes; then
1329 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1330 SAVE_CFLAGS="$CFLAGS"
1331 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1332 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1333 CFLAGS="$SAVE_CFLAGS"
1334 test -f deps.d || ac_enable_autodepend=no
1336 AC_MSG_RESULT([$ac_enable_autodepend])
1338 if test $ac_enable_autodepend = yes; then
1339 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1340 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1341 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1342 deps_frag=autodeps.mk
1345 deps_frag=$srcdir/src/$deps_frag
1348 AC_SUBST_FILE(deps_frag)
1351 lisp_frag=$srcdir/src/lisp.mk
1352 AC_SUBST_FILE(lisp_frag)
1355 dnl checks for operating system services
1356 AC_SYS_LONG_FILE_NAMES
1358 #### Choose a window system.
1361 if test "$no_x" = yes; then
1367 LD_SWITCH_X_SITE_RPATH=
1368 if test "${x_libraries}" != NONE; then
1369 if test -n "${x_libraries}"; then
1370 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1371 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1373 x_default_search_path=""
1374 x_search_path=${x_libraries}
1375 if test -z "${x_search_path}"; then
1376 x_search_path=/usr/lib
1378 for x_library in `echo ${x_search_path}: | \
1379 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1381 ${x_library}/X11/%L/%T/%N%C%S:\
1382 ${x_library}/X11/%l/%T/%N%C%S:\
1383 ${x_library}/X11/%T/%N%C%S:\
1384 ${x_library}/X11/%L/%T/%N%S:\
1385 ${x_library}/X11/%l/%T/%N%S:\
1386 ${x_library}/X11/%T/%N%S"
1387 if test x"${x_default_search_path}" = x; then
1388 x_default_search_path=${x_search_path}
1390 x_default_search_path="${x_search_path}:${x_default_search_path}"
1394 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1396 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1397 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1400 if test x"${x_includes}" = x; then
1401 bitmapdir=/usr/include/X11/bitmaps
1403 # accumulate include directories that have X11 bitmap subdirectories
1405 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1406 if test -d "${bmd}/X11/bitmaps"; then
1407 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1409 if test -d "${bmd}/bitmaps"; then
1410 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1413 if test ${bmd_acc} != "dummyval"; then
1414 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1421 tmp_CPPFLAGS="$CPPFLAGS"
1422 tmp_CFLAGS="$CFLAGS"
1423 CPPFLAGS="$CPPFLAGS -x objective-c"
1424 CFLAGS="$CFLAGS -x objective-c"
1425 TEMACS_LDFLAGS2="\${LDFLAGS}"
1427 if test "${with_ns}" != no; then
1428 if test "${opsys}" = darwin; then
1430 ns_appdir=`pwd`/nextstep/Emacs.app
1431 ns_appbindir=${ns_appdir}/Contents/MacOS
1432 ns_appresdir=${ns_appdir}/Contents/Resources
1433 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1434 elif test -f $GNUSTEP_CONFIG_FILE; then
1436 ns_appdir=`pwd`/nextstep/Emacs.app
1437 ns_appbindir=${ns_appdir}
1438 ns_appresdir=${ns_appdir}/Resources
1439 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1440 dnl FIXME sourcing this several times in subshells seems inefficient.
1441 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1442 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1443 dnl I seemed to need these as well with GNUstep-startup 0.25.
1444 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1445 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1446 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1447 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1448 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1449 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1450 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1451 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1452 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1456 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1457 dnl If they had chosen to either define it or not, we could have
1458 dnl just used AC_CHECK_DECL here.
1459 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1460 emacs_cv_objc_exceptions,
1461 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1462 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1466 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1467 if test $emacs_cv_objc_exceptions = yes; then
1468 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1469 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1470 [Define if GNUstep uses ObjC exceptions.])
1471 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1475 dnl This is only used while we test the NS headers, it gets reset below.
1476 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1478 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1479 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1480 files are missing or cannot be compiled.])])
1481 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1483 ns_have_nsinteger=yes,
1484 ns_have_nsinteger=no)
1485 if test $ns_have_nsinteger = yes; then
1486 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1489 AC_SUBST(TEMACS_LDFLAGS2)
1491 INSTALL_ARCH_INDEP_EXTRA=install-etc
1492 ns_self_contained=no
1496 if test "${HAVE_NS}" = yes; then
1497 if test "$with_toolkit_scroll_bars" = "no"; then
1498 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1501 window_system=nextstep
1503 # set up packaging dirs
1504 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1505 ns_self_contained=yes
1506 prefix=${ns_appresdir}
1507 exec_prefix=${ns_appbindir}
1508 dnl This one isn't really used, only archlibdir is.
1509 libexecdir="\${ns_appbindir}/libexec"
1510 archlibdir="\${ns_appbindir}/libexec"
1511 docdir="\${ns_appresdir}/etc"
1512 etcdir="\${ns_appresdir}/etc"
1513 dnl FIXME maybe set datarootdir instead.
1514 dnl That would also get applications, icons, man.
1515 infodir="\${ns_appresdir}/info"
1516 mandir="\${ns_appresdir}/man"
1517 lispdir="\${ns_appresdir}/lisp"
1518 leimdir="\${ns_appresdir}/leim"
1519 INSTALL_ARCH_INDEP_EXTRA=
1521 ns_frag=$srcdir/src/ns.mk
1522 NS_OBJ="fontset.o fringe.o image.o"
1523 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1525 CFLAGS="$tmp_CFLAGS"
1526 CPPFLAGS="$tmp_CPPFLAGS"
1527 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1528 AC_SUBST(ns_self_contained)
1530 AC_SUBST(NS_OBJC_OBJ)
1531 AC_SUBST(LIB_STANDARD)
1532 AC_SUBST_FILE(ns_frag)
1534 case "${window_system}" in
1538 case "${with_x_toolkit}" in
1539 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1540 motif ) USE_X_TOOLKIT=MOTIF ;;
1542 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1543 dnl USE_X_TOOLKIT is set.
1544 USE_X_TOOLKIT=none ;;
1545 gtk3 ) with_gtk3=yes
1546 USE_X_TOOLKIT=none ;;
1547 no ) USE_X_TOOLKIT=none ;;
1548 dnl If user did not say whether to use a toolkit, make this decision later:
1549 dnl use the toolkit if we have gtk, or X11R5 or newer.
1550 * ) USE_X_TOOLKIT=maybe ;;
1560 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1561 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1562 if test "$HAVE_XSERVER" = true ||
1563 test -n "$DISPLAY" ||
1564 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1565 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1566 were found. You should install the relevant development files for X
1567 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1568 sure you have development files for image handling, i.e.
1569 tiff, gif, jpeg, png and xpm.
1570 If you are sure you want Emacs compiled without X window support, pass
1576 ### If we're using X11, we should use the X menu package.
1579 yes ) HAVE_MENUS=yes ;;
1582 # Does the opsystem file prohibit the use of the GNU malloc?
1583 # Assume not, until told otherwise.
1587 [whether malloc is Doug Lea style],
1588 [emacs_cv_var_doug_lea_malloc],
1591 [[#include <malloc.h>
1592 static void hook (void) {}]],
1593 [[malloc_set_state (malloc_get_state ());
1594 __after_morecore_hook = hook;
1595 __malloc_initialize_hook = hook;]])],
1596 [emacs_cv_var_doug_lea_malloc=yes],
1597 [emacs_cv_var_doug_lea_malloc=no])])
1598 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1601 dnl See comments in aix4-2.h about maybe using system malloc there.
1604 ## darwin ld insists on the use of malloc routines in the System framework.
1605 darwin|sol2-10) system_malloc=yes ;;
1608 if test "${system_malloc}" = "yes"; then
1609 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1612 (The GNU allocators don't work with this system configuration.)"
1616 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1617 VMLIMIT_OBJ=vm-limit.o
1619 AC_SUBST(GMALLOC_OBJ)
1620 AC_SUBST(VMLIMIT_OBJ)
1622 if test "$doug_lea_malloc" = "yes" ; then
1623 if test "$GNU_MALLOC" = yes ; then
1625 (Using Doug Lea's new malloc from the GNU C Library.)"
1627 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1628 [Define to 1 if you are using the GNU C Library.])
1630 ## Use mmap directly for allocating larger buffers.
1631 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1632 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1633 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1635 gnu*) REL_ALLOC=no ;;
1639 if test x"${REL_ALLOC}" = x; then
1640 REL_ALLOC=${GNU_MALLOC}
1643 use_mmap_for_buffers=no
1645 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1649 if test $use_mmap_for_buffers = yes; then
1650 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1654 LIBS="$LIBS_SYSTEM $LIBS"
1656 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1657 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1658 AC_CHECK_LIB(dnet, dnet_ntoa)
1659 dnl This causes -lresolv to get used in subsequent tests,
1660 dnl which causes failures on some systems such as HPUX 9.
1661 dnl AC_CHECK_LIB(resolv, gethostbyname)
1663 dnl FIXME replace main with a function we actually want from this library.
1664 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1666 dnl Check if pthreads is available.
1668 AC_CHECK_HEADERS_ONCE(pthread.h)
1669 if test "$ac_cv_header_pthread_h"; then
1670 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1671 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1672 dnl testing for pthread_self if Emacs uses gmalloc.c.
1673 if test "$GMALLOC_OBJ" = gmalloc.o; then
1674 emacs_pthread_function=pthread_atfork
1676 emacs_pthread_function=pthread_self
1678 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1680 if test "$HAVE_PTHREAD" = yes; then
1681 case "${canonical}" in
1683 *) LIB_PTHREAD="-lpthread"
1684 LIBS="$LIB_PTHREAD $LIBS" ;;
1686 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1688 AC_SUBST([LIB_PTHREAD])
1690 AC_CHECK_LIB(pthreads, cma_open)
1692 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1693 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1694 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1695 ## added to LIBS in configure would never contain the pthreads part,
1696 ## but the value used in Makefiles might. FIXME?
1698 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1699 ## be harmless on older versions of X where it happens to exist.
1700 test "$opsys" = "aix4-2" && \
1701 test $ac_cv_lib_pthreads_cma_open = yes && \
1702 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1704 dnl Check for need for bigtoc support on IBM AIX
1708 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1710 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1711 *) gdb_cv_bigtoc=-bbigtoc ;;
1714 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1715 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1720 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1721 # used for the tests that follow. We set them back to REAL_CFLAGS and
1722 # REAL_CPPFLAGS later on.
1724 REAL_CFLAGS="$CFLAGS"
1725 REAL_CPPFLAGS="$CPPFLAGS"
1727 if test "${HAVE_X11}" = "yes"; then
1728 DEFS="$C_SWITCH_X_SITE $DEFS"
1729 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1731 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1732 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1734 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1735 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1736 # but it's more convenient here to set LD_RUN_PATH since this
1737 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1738 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1739 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1743 if test "${opsys}" = "gnu-linux"; then
1744 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1745 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1746 [[XOpenDisplay ("foo");]])],
1747 [xgnu_linux_first_failure=no],
1748 [xgnu_linux_first_failure=yes])
1749 if test "${xgnu_linux_first_failure}" = "yes"; then
1750 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1751 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1752 OLD_CPPFLAGS="$CPPFLAGS"
1754 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1755 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1756 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1757 LIBS="$LIBS -b i486-linuxaout"
1758 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1759 [[XOpenDisplay ("foo");]])],
1760 [xgnu_linux_second_failure=no],
1761 [xgnu_linux_second_failure=yes])
1762 if test "${xgnu_linux_second_failure}" = "yes"; then
1763 # If we get the same failure with -b, there is no use adding -b.
1764 # So take it out. This plays safe.
1765 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1766 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1767 CPPFLAGS="$OLD_CPPFLAGS"
1778 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1779 # header files included from there.
1780 AC_MSG_CHECKING(for Xkb)
1781 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1782 #include <X11/XKBlib.h>]],
1783 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1784 emacs_xkb=yes, emacs_xkb=no)
1785 AC_MSG_RESULT($emacs_xkb)
1786 if test $emacs_xkb = yes; then
1787 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1790 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1791 XScreenNumberOfScreen)
1794 if test "${window_system}" = "x11"; then
1795 AC_MSG_CHECKING(X11 version 6)
1796 AC_CACHE_VAL(emacs_cv_x11_version_6,
1797 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1798 [[#if XlibSpecificationRelease < 6
1801 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1802 if test $emacs_cv_x11_version_6 = yes; then
1803 AC_MSG_RESULT(6 or newer)
1804 AC_DEFINE(HAVE_X11R6, 1,
1805 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1806 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1807 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1811 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1812 [Define if you have usable X11R6-style XIM support.])
1816 AC_MSG_RESULT(before 6)
1821 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1823 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1824 if test "${with_rsvg}" != "no"; then
1825 RSVG_REQUIRED=2.11.0
1826 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1828 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1829 AC_SUBST(RSVG_CFLAGS)
1832 if test $HAVE_RSVG = yes; then
1833 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1834 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1835 LIBS="$RSVG_LIBS $LIBS"
1841 if test "${HAVE_X11}" = "yes"; then
1842 if test "${with_imagemagick}" != "no"; then
1843 ## 6.2.8 is the earliest version known to work, but earlier versions
1844 ## might work - let us know if you find one.
1845 ## 6.0.7 does not work. See bug#7955.
1846 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1847 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1848 AC_SUBST(IMAGEMAGICK_CFLAGS)
1849 AC_SUBST(IMAGEMAGICK_LIBS)
1851 if test $HAVE_IMAGEMAGICK = yes; then
1852 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1853 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1854 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1855 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
1863 if test "${with_gtk3}" = "yes"; then
1866 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1868 dnl Checks for libraries.
1869 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1870 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1871 AC_MSG_ERROR($GTK_PKG_ERRORS)
1873 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1874 GTK_OBJ=emacsgtkfixed.o
1877 if test "$pkg_check_gtk" != "yes"; then
1879 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1882 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1884 dnl Checks for libraries.
1885 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1886 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1887 AC_MSG_ERROR($GTK_PKG_ERRORS)
1892 if test x"$pkg_check_gtk" = xyes; then
1894 AC_SUBST(GTK_CFLAGS)
1896 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1897 CFLAGS="$CFLAGS $GTK_CFLAGS"
1898 LIBS="$GTK_LIBS $LIBS"
1899 dnl Try to compile a simple GTK program.
1901 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1902 if test "${GTK_COMPILES}" != "yes"; then
1903 if test "$USE_X_TOOLKIT" != "maybe"; then
1904 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1908 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1909 GTK_OBJ="gtkutil.o $GTK_OBJ"
1911 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1914 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1915 closing open displays. This is no problem if you just use
1916 one display, but if you use more than one and close one of them
1926 if test "${HAVE_GTK}" = "yes"; then
1928 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1929 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1930 if test "$with_toolkit_scroll_bars" != no; then
1931 with_toolkit_scroll_bars=yes
1934 dnl Check if we have the old file selection dialog declared and
1935 dnl in the link library. In 2.x it may be in the library,
1936 dnl but not declared if deprecated featured has been selected out.
1937 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1938 HAVE_GTK_FILE_SELECTION=no
1939 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1940 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1941 #include <gtk/gtk.h>])
1942 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1943 AC_CHECK_FUNCS(gtk_file_selection_new)
1947 dnl Check for functions introduced in 2.14 and later.
1948 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1949 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1950 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1951 gtk_orientable_set_orientation \
1952 gtk_window_set_has_resize_grip)
1955 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1956 dnl other platforms.
1959 if test "${with_dbus}" = "yes"; then
1960 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1961 if test "$HAVE_DBUS" = yes; then
1962 LIBS="$LIBS $DBUS_LIBS"
1963 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1964 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
1965 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
1967 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
1968 dbus_type_is_valid \
1969 dbus_validate_bus_name \
1970 dbus_validate_path \
1971 dbus_validate_interface \
1972 dbus_validate_member)
1978 dnl GSettings has been tested under GNU/Linux only.
1980 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
1981 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
1982 if test "$HAVE_GSETTINGS" = "yes"; then
1983 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
1984 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
1985 SETTINGS_LIBS="$GSETTINGS_LIBS"
1989 dnl GConf has been tested under GNU/Linux only.
1990 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1992 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1993 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1994 if test "$HAVE_GCONF" = yes; then
1995 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1996 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1997 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
1998 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2002 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2003 SAVE_CFLAGS="$CFLAGS"
2005 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2006 LIBS="$SETTINGS_LIBS $LIBS"
2007 AC_CHECK_FUNCS([g_type_init])
2008 CFLAGS="$SAVE_CFLAGS"
2011 AC_SUBST(SETTINGS_CFLAGS)
2012 AC_SUBST(SETTINGS_LIBS)
2015 dnl SELinux is available for GNU/Linux only.
2018 if test "${with_selinux}" = "yes"; then
2019 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2020 if test "$HAVE_LIBSELINUX" = yes; then
2021 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2022 LIBSELINUX_LIBS=-lselinux
2025 AC_SUBST(LIBSELINUX_LIBS)
2028 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2029 if test "${with_gnutls}" = "yes" ; then
2030 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2031 if test "${HAVE_GNUTLS}" = "yes"; then
2032 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2035 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2036 LIBS="$LIBGNUTLS_LIBS $LIBS"
2037 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2039 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2040 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2044 AC_SUBST(LIBGNUTLS_LIBS)
2045 AC_SUBST(LIBGNUTLS_CFLAGS)
2047 dnl Do not put whitespace before the #include statements below.
2048 dnl Older compilers (eg sunos4 cc) choke on it.
2051 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2052 if test "$with_xaw3d" != no; then
2053 AC_MSG_CHECKING(for xaw3d)
2054 AC_CACHE_VAL(emacs_cv_xaw3d,
2055 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2056 #include <X11/Intrinsic.h>
2057 #include <X11/Xaw3d/Simple.h>]],
2059 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2060 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2061 emacs_cv_xaw3d=no)])
2065 if test $emacs_cv_xaw3d = yes; then
2066 AC_MSG_RESULT([yes; using Lucid toolkit])
2070 AC_DEFINE(HAVE_XAW3D, 1,
2071 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2074 AC_MSG_CHECKING(for libXaw)
2075 AC_CACHE_VAL(emacs_cv_xaw,
2076 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2077 #include <X11/Intrinsic.h>
2078 #include <X11/Xaw/Simple.h>]],
2082 if test $emacs_cv_xaw = yes; then
2083 AC_MSG_RESULT([yes; using Lucid toolkit])
2086 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2087 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2089 AC_MSG_ERROR([No X toolkit could be found.
2090 If you are sure you want Emacs compiled without an X toolkit, pass
2092 to configure. Otherwise, install the development libraries for the toolkit
2093 that you want to use (e.g. Gtk+) and re-run configure.])
2098 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2101 if test "${USE_X_TOOLKIT}" != "none"; then
2102 AC_MSG_CHECKING(X11 toolkit version)
2103 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2104 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2105 [[#if XtSpecificationRelease < 6
2108 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2109 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2110 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2111 AC_MSG_RESULT(6 or newer)
2112 AC_DEFINE(HAVE_X11XTR6, 1,
2113 [Define to 1 if you have the X11R6 or newer version of Xt.])
2114 LIBXTR6="-lSM -lICE"
2116 ## Use libw.a along with X11R6 Xt.
2117 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2120 AC_MSG_RESULT(before 6)
2123 dnl If using toolkit, check whether libXmu.a exists.
2124 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2126 if test x$HAVE_X11XTR6 = xyes; then
2127 LIBS="-lXt -lSM -lICE $LIBS"
2131 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2132 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2136 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2137 dnl Why not just test for libxmu in the normal way?
2140 ## These systems don't supply Xmu.
2142 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2147 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2148 if test "${HAVE_X11}" = "yes"; then
2149 if test "${USE_X_TOOLKIT}" != "none"; then
2150 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2155 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2156 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2157 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2158 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2161 Motif version prior to 2.1.
2163 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2164 if test $emacs_cv_motif_version_2_1 = yes; then
2165 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2167 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2168 # We put this in CFLAGS temporarily to precede other -I options
2169 # that might be in CFLAGS temporarily.
2170 # We put this in CPPFLAGS where it precedes the other -I options.
2171 OLD_CPPFLAGS=$CPPFLAGS
2173 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2174 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2175 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2177 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2178 if test $emacs_cv_lesstif = yes; then
2179 # Make sure this -I option remains in CPPFLAGS after it is set
2180 # back to REAL_CPPFLAGS.
2181 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2182 # have those other -I options anyway. Ultimately, having this
2183 # directory ultimately in CPPFLAGS will be enough.
2184 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2185 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2188 CPPFLAGS=$OLD_CPPFLAGS
2191 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2192 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2195 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2196 dnl using Motif or Xaw3d is available, and unless
2197 dnl --with-toolkit-scroll-bars=no was specified.
2199 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2200 [Define to 1 if we should use toolkit scroll bars.])dnl
2201 USE_TOOLKIT_SCROLL_BARS=no
2202 if test "${with_toolkit_scroll_bars}" != "no"; then
2203 if test "${USE_X_TOOLKIT}" != "none"; then
2204 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2205 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2207 USE_TOOLKIT_SCROLL_BARS=yes
2208 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2209 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2210 USE_TOOLKIT_SCROLL_BARS=yes
2212 elif test "${HAVE_GTK}" = "yes"; then
2213 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2214 USE_TOOLKIT_SCROLL_BARS=yes
2215 elif test "${HAVE_NS}" = "yes"; then
2216 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2217 USE_TOOLKIT_SCROLL_BARS=yes
2221 dnl See if XIM is available.
2222 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2223 #include <X11/Xlib.h>
2224 #include <X11/Xresource.h>]],
2225 [[XIMProc callback;]])],
2227 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2230 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2232 if test "${with_xim}" != "no"; then
2233 AC_DEFINE(USE_XIM, 1,
2234 [Define to 1 if we should use XIM, if it is available.])
2238 if test "${HAVE_XIM}" != "no"; then
2240 if test "$GCC" = yes; then
2241 CFLAGS="$CFLAGS --pedantic-errors"
2243 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2244 #include <X11/Xlib.h>
2245 #include <X11/Xresource.h>]],
2251 XPointer *client_data;
2253 /* If we're not using GCC, it's probably not XFree86, and this is
2254 probably right, but we can't use something like --pedantic-errors. */
2255 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2256 char*, XIMProc, XPointer*);
2258 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2260 [emacs_cv_arg6_star=yes])
2261 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2262 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2263 either XPointer or XPointer*.])dnl
2264 if test "$emacs_cv_arg6_star" = yes; then
2265 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2267 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2272 ### Start of font-backend (under any platform) section.
2273 # (nothing here yet -- this is a placeholder)
2274 ### End of font-backend (under any platform) section.
2276 ### Start of font-backend (under X11) section.
2277 if test "${HAVE_X11}" = "yes"; then
2278 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2280 ## Use -lXft if available, unless `--with-xft=no'.
2282 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2285 if test "x${with_xft}" != "xno"; then
2287 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2288 ## Because xftfont.c uses XRenderQueryExtension, we also
2289 ## need to link to -lXrender.
2291 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2292 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2293 OLD_CPPFLAGS="$CPPFLAGS"
2294 OLD_CFLAGS="$CFLAGS"
2296 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2297 CFLAGS="$CFLAGS $XFT_CFLAGS"
2298 XFT_LIBS="-lXrender $XFT_LIBS"
2299 LIBS="$XFT_LIBS $LIBS"
2300 AC_CHECK_HEADER(X11/Xft/Xft.h,
2301 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2303 if test "${HAVE_XFT}" = "yes"; then
2304 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2306 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2308 CPPFLAGS="$OLD_CPPFLAGS"
2309 CFLAGS="$OLD_CFLAGS"
2311 fi # "${HAVE_XFT}" = "yes"
2312 fi # "$HAVE_XFT" != no
2313 fi # "x${with_xft}" != "xno"
2315 ## We used to allow building with FreeType and without Xft.
2316 ## However, the ftx font backend driver is not in good shape.
2317 if test "$HAVE_XFT" != "yes"; then
2318 dnl For the "Does Emacs use" message at the end.
2322 dnl Strict linkers fail with
2323 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2324 dnl if -lfreetype is not specified.
2325 dnl The following is needed to set FREETYPE_LIBS.
2326 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2329 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2333 if test "${HAVE_FREETYPE}" = "yes"; then
2334 AC_DEFINE(HAVE_FREETYPE, 1,
2335 [Define to 1 if using the freetype and fontconfig libraries.])
2336 if test "${with_libotf}" != "no"; then
2337 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2339 if test "$HAVE_LIBOTF" = "yes"; then
2340 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2341 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2342 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2343 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2344 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2345 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2346 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2350 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2351 dnl Does the new font backend require it, or can it work without it?
2355 if test "${HAVE_LIBOTF}" = yes; then
2356 if test "${with_m17n_flt}" != "no"; then
2357 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2358 if test "$HAVE_M17N_FLT" = "yes"; then
2359 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2370 ### End of font-backend (under X11) section.
2372 AC_SUBST(FREETYPE_CFLAGS)
2373 AC_SUBST(FREETYPE_LIBS)
2374 AC_SUBST(FONTCONFIG_CFLAGS)
2375 AC_SUBST(FONTCONFIG_LIBS)
2376 AC_SUBST(LIBOTF_CFLAGS)
2377 AC_SUBST(LIBOTF_LIBS)
2378 AC_SUBST(M17N_FLT_CFLAGS)
2379 AC_SUBST(M17N_FLT_LIBS)
2381 ### Use -lXpm if available, unless `--with-xpm=no'.
2384 if test "${HAVE_X11}" = "yes"; then
2385 if test "${with_xpm}" != "no"; then
2386 AC_CHECK_HEADER(X11/xpm.h,
2387 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2388 if test "${HAVE_XPM}" = "yes"; then
2389 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2390 AC_EGREP_CPP(no_return_alloc_pixels,
2391 [#include "X11/xpm.h"
2392 #ifndef XpmReturnAllocPixels
2393 no_return_alloc_pixels
2395 ], HAVE_XPM=no, HAVE_XPM=yes)
2397 if test "${HAVE_XPM}" = "yes"; then
2405 if test "${HAVE_XPM}" = "yes"; then
2406 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2412 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2415 if test "${HAVE_X11}" = "yes"; then
2416 if test "${with_jpeg}" != "no"; then
2417 dnl Checking for jpeglib.h can lose because of a redefinition of
2419 AC_CHECK_HEADER(jerror.h,
2420 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2423 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2424 if test "${HAVE_JPEG}" = "yes"; then
2425 AC_DEFINE(HAVE_JPEG)
2426 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2427 [#include <jpeglib.h>
2428 version=JPEG_LIB_VERSION
2430 [AC_DEFINE(HAVE_JPEG)],
2431 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2434 if test "${HAVE_JPEG}" = "yes"; then
2440 ### Use -lpng if available, unless `--with-png=no'.
2443 if test "${HAVE_X11}" = "yes"; then
2444 if test "${with_png}" != "no"; then
2445 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2446 # in /usr/include/libpng.
2447 AC_CHECK_HEADERS(png.h libpng/png.h)
2448 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2449 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2453 if test "${HAVE_PNG}" = "yes"; then
2454 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2455 LIBPNG="-lpng -lz -lm"
2460 ### Use -ltiff if available, unless `--with-tiff=no'.
2463 if test "${HAVE_X11}" = "yes"; then
2464 if test "${with_tiff}" != "no"; then
2465 AC_CHECK_HEADER(tiffio.h,
2467 # At least one tiff package requires the jpeg library.
2468 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2469 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2472 if test "${HAVE_TIFF}" = "yes"; then
2473 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2474 dnl FIXME -lz -lm, as per libpng?
2480 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2483 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2484 AC_CHECK_HEADER(gif_lib.h,
2485 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2486 # Earlier versions can crash Emacs.
2487 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2489 if test "$HAVE_GIF" = yes; then
2491 elif test "$HAVE_GIF" = maybe; then
2492 # If gif_lib.h but no libgif, try libungif.
2493 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2494 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2497 if test "${HAVE_GIF}" = "yes"; then
2498 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2503 dnl Check for required libraries.
2504 if test "${HAVE_X11}" = "yes"; then
2507 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2508 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2509 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2510 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2511 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2512 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2513 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2514 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2515 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2516 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2518 if test "X${MISSING}" != X; then
2519 AC_MSG_ERROR([The following required libraries were not found:
2521 Maybe some development libraries/packages are missing?
2522 If you don't want to link with them give
2524 as options to configure])
2528 ### Use -lgpm if available, unless `--with-gpm=no'.
2531 if test "${with_gpm}" != "no"; then
2532 AC_CHECK_HEADER(gpm.h,
2533 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2535 if test "${HAVE_GPM}" = "yes"; then
2536 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2542 dnl Check for malloc/malloc.h on darwin
2543 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2546 ### Use NeXTstep API to implement GUI.
2547 if test "${HAVE_NS}" = "yes"; then
2548 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2549 if test "${NS_IMPL_COCOA}" = "yes"; then
2550 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2552 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2553 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2554 # See also .m.o rule in Makefile.in */
2555 # FIXME: are all these flags really needed? Document here why. */
2556 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2557 ## Extra CFLAGS applied to src/*.m files.
2558 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"
2560 # We also have mouse menus.
2566 ### Use session management (-lSM -lICE) if available
2569 if test "${HAVE_X11}" = "yes"; then
2570 AC_CHECK_HEADER(X11/SM/SMlib.h,
2571 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2573 if test "${HAVE_X_SM}" = "yes"; then
2574 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2578 *) LIBS="$LIBXSM $LIBS" ;;
2584 ### Use libxml (-lxml2) if available
2586 if test "${with_xml2}" != "no"; then
2587 ### I'm not sure what the version number should be, so I just guessed.
2588 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2589 if test "${HAVE_LIBXML2}" = "yes"; then
2590 LIBS="$LIBXML2_LIBS $LIBS"
2591 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2592 if test "${HAVE_LIBXML2}" = "yes"; then
2593 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2600 AC_SUBST(LIBXML2_LIBS)
2601 AC_SUBST(LIBXML2_CFLAGS)
2603 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2604 AC_CACHE_CHECK(whether netdb declares h_errno,
2605 emacs_cv_netdb_declares_h_errno,
2606 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2607 [[return h_errno;]])],
2608 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2609 if test $emacs_cv_netdb_declares_h_errno = yes; then
2610 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2613 # fmod, logb, and frexp are found in -lm on most systems.
2614 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2615 AC_CHECK_LIB(m, sqrt)
2617 # Check for mail-locking functions in a "mail" library. Probably this should
2618 # have the same check as for liblockfile below.
2619 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2620 if test $have_mail = yes; then
2622 LIBS="$LIBS_MAIL $LIBS"
2623 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2627 dnl Debian, at least:
2628 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2629 if test $have_lockfile = yes; then
2630 LIBS_MAIL=-llockfile
2631 LIBS="$LIBS_MAIL $LIBS"
2632 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2634 # If we have the shared liblockfile, assume we must use it for mail
2635 # locking (e.g. Debian). If we couldn't link against liblockfile
2636 # (no liblockfile.a installed), ensure that we don't need to.
2637 dnl This works for files generally, not just executables.
2638 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2639 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2640 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2641 if test $ac_cv_prog_liblockfile = yes; then
2642 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2643 This probably means that movemail could lose mail.
2644 There may be a `development' package to install containing liblockfile.])
2647 AC_CHECK_HEADERS_ONCE(maillock.h)
2650 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2651 ## interlock access to the mail spool. The alternative is a lock file named
2652 ## /usr/spool/mail/$USER.lock.
2655 aix4-2) mail_lock="lockf" ;;
2657 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2659 ## On GNU/Linux systems, both methods are used by various mail programs.
2660 ## I assume most people are using newer mailers that have heard of flock.
2661 ## Change this if you need to.
2662 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2663 ## configure gets the right answers, and that means *NOT* using flock.
2664 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2665 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2666 ## Debian maintainer hasn't provided a clean fix for Emacs.
2667 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2668 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2669 ## correct logic. -- fx
2670 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2671 ## liblockfile is a Free Software replacement for libmail, used on
2672 ## Debian systems and elsewhere. -rfr.
2675 if test $have_mail = yes || test $have_lockfile = yes; then
2676 test $ac_cv_header_maillock_h = yes && mail_lock=no
2682 case "$mail_lock" in
2683 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2685 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2687 *) BLESSMAIL_TARGET="need-blessmail" ;;
2689 AC_SUBST(BLESSMAIL_TARGET)
2692 AC_CHECK_FUNCS(gethostname \
2693 rename closedir mkdir rmdir getrusage get_current_dir_name \
2694 random lrand48 logb frexp fmod rint cbrt setsid \
2695 strerror fpathconf select euidaccess getpagesize setlocale \
2696 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2697 __fpending strsignal setitimer \
2698 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
2699 gai_strerror mkstemp getline getdelim fsync sync \
2700 difftime posix_memalign \
2701 getpwent endpwent getgrent endgrent \
2703 strcasecmp strncasecmp \
2704 cfmakeraw cfsetspeed copysign __executable_start)
2706 dnl Cannot use AC_CHECK_FUNCS
2707 AC_CACHE_CHECK([for __builtin_unwind_init],
2708 emacs_cv_func___builtin_unwind_init,
2709 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2710 emacs_cv_func___builtin_unwind_init=yes,
2711 emacs_cv_func___builtin_unwind_init=no)])
2712 if test $emacs_cv_func___builtin_unwind_init = yes; then
2713 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2714 [Define to 1 if you have the `__builtin_unwind_init' function.])
2717 AC_CHECK_HEADERS_ONCE(sys/un.h)
2724 AC_CHECK_FUNCS(grantpt)
2726 # PTY-related GNU extensions.
2727 AC_CHECK_FUNCS(getpt)
2729 # Check this now, so that we will NOT find the above functions in ncurses.
2730 # That is because we have not set up to link ncurses in lib-src.
2731 # It's better to believe a function is not available
2732 # than to expect to find it in ncurses.
2733 # Also we need tputs and friends to be able to build at all.
2734 AC_MSG_CHECKING([for library containing tputs])
2735 # Run a test program that contains a call to tputs, a call that is
2736 # never executed. This tests whether a pre-'main' dynamic linker
2737 # works with the library. It's too much trouble to actually call
2738 # tputs in the test program, due to portability hassles. When
2739 # cross-compiling, assume the test program will run if it links.
2740 AC_DEFUN([tputs_link_source], [
2742 [[extern void tputs (const char *, int, int (*)(int));
2743 int main (int argc, char **argv)
2746 tputs (argv[0], 0, 0);
2750 # Maybe curses should be tried earlier?
2751 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2752 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2754 if test -z "$tputs_library"; then
2758 LIBS_TERMCAP=-l$tputs_library
2760 LIBS="$LIBS_TERMCAP $LIBS"
2762 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2763 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2765 if test "X$msg" != Xno; then
2769 AC_MSG_RESULT([$msg])
2770 if test "X$msg" = Xno; then
2771 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2772 The following libraries were tried (in order):
2773 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2774 Please try installing whichever of these libraries is most appropriate
2775 for your system, together with its header files.
2776 For example, a libncurses-dev(el) or similar package.])
2779 ## Use termcap instead of terminfo?
2780 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2782 ## FIXME? In the cases below where we unconditionally set
2783 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2784 ## if that was found above to have tputs.
2785 ## Should we use the gnu* logic everywhere?
2787 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2788 ## The ncurses library has been moved out of the System framework in
2789 ## Mac OS X 10.2. So if configure detects it, set the command-line
2790 ## option to use it.
2791 darwin) LIBS_TERMCAP="-lncurses" ;;
2793 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2796 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2797 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2798 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2799 [[#if __FreeBSD_version < 400000
2802 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2804 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2806 if test $emacs_cv_freebsd_terminfo = yes; then
2807 LIBS_TERMCAP="-lncurses"
2810 LIBS_TERMCAP="-ltermcap"
2815 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2817 LIBS_TERMCAP="-ltermcap"
2821 openbsd) LIBS_TERMCAP="-lncurses" ;;
2823 ## hpux: Make sure we get select from libc rather than from libcurses
2824 ## because libcurses on HPUX 10.10 has a broken version of select.
2825 ## We used to use -lc -lcurses, but this may be cleaner.
2826 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2827 # set that way, now it uses the default). Isn't this a contradiction?
2828 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2832 TERMCAP_OBJ=tparam.o
2833 if test $TERMINFO = yes; then
2834 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2835 TERMCAP_OBJ=terminfo.o
2837 AC_SUBST(LIBS_TERMCAP)
2838 AC_SUBST(TERMCAP_OBJ)
2841 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2843 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2844 #include <arpa/nameser.h>
2845 #include <resolv.h>]],
2846 [[return res_init();]])],
2847 have_res_init=yes, have_res_init=no)
2848 if test "$have_res_init" = no; then
2850 LIBS="$LIBS -lresolv"
2851 AC_MSG_CHECKING(for res_init with -lresolv)
2852 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2853 #include <arpa/nameser.h>
2854 #include <resolv.h>]],
2855 [[return res_init();]])],
2856 have_res_init=yes, have_res_init=no)
2857 AC_MSG_RESULT($have_res_init)
2858 if test "$have_res_init" = yes ; then
2864 if test "$have_res_init" = yes; then
2865 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2868 # Do we need the Hesiod library to provide the support routines?
2870 if test "$with_hesiod" != no ; then
2871 # Don't set $LIBS here -- see comments above. FIXME which comments?
2872 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2873 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2874 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2875 if test "$resolv" = yes ; then
2880 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2881 hesiod=yes, :, $RESOLVLIB)])
2883 if test x"$hesiod" = xyes; then
2884 AC_DEFINE(HAVE_LIBHESIOD, 1,
2885 [Define to 1 if you have the hesiod library (-lhesiod).])
2891 # Do we need libresolv (due to res_init or Hesiod)?
2892 if test "$resolv" = yes ; then
2893 AC_DEFINE(HAVE_LIBRESOLV, 1,
2894 [Define to 1 if you have the resolv library (-lresolv).])
2901 # These tell us which Kerberos-related libraries to use.
2908 if test "${with_kerberos}" != no; then
2909 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2910 if test $have_com_err = yes; then
2911 COM_ERRLIB=-lcom_err
2912 LIBS="$COM_ERRLIB $LIBS"
2913 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2915 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2916 if test $have_crypto = yes; then
2918 LIBS="$CRYPTOLIB $LIBS"
2919 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2921 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2922 if test $have_k5crypto = yes; then
2923 CRYPTOLIB=-lk5crypto
2924 LIBS="$CRYPTOLIB $LIBS"
2925 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2927 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2928 if test $have_krb5=yes; then
2930 LIBS="$KRB5LIB $LIBS"
2931 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2933 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2934 if test "${with_kerberos5}" = no; then
2935 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2936 if test $have_des425 = yes; then
2938 LIBS="$DESLIB $LIBS"
2939 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2941 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2942 if test $have_des = yes; then
2944 LIBS="$DESLIB $LIBS"
2945 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2948 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2949 if test $have_krb4 = yes; then
2951 LIBS="$KRB4LIB $LIBS"
2952 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2954 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2955 if test $have_krb = yes; then
2957 LIBS="$KRB4LIB $LIBS"
2958 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2963 if test "${with_kerberos5}" != no; then
2964 AC_CHECK_HEADERS(krb5.h,
2965 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2966 [#include <krb5.h>])])
2968 AC_CHECK_HEADERS(des.h,,
2969 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2970 [AC_CHECK_HEADERS(kerberos/des.h)])])
2971 AC_CHECK_HEADERS(krb.h,,
2972 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2973 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2975 AC_CHECK_HEADERS(com_err.h)
2978 AC_SUBST(COM_ERRLIB)
2984 AC_CHECK_FUNCS(tzset)
2985 AC_MSG_CHECKING(whether localtime caches TZ)
2986 AC_CACHE_VAL(emacs_cv_localtime_cache,
2987 [if test x$ac_cv_func_tzset = xyes; then
2988 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2989 char TZ_GMT0[] = "TZ=GMT0";
2990 char TZ_PST8[] = "TZ=PST8";
2993 time_t now = time ((time_t *) 0);
2994 int hour_GMT0, hour_unset;
2995 if (putenv (TZ_GMT0) != 0)
2997 hour_GMT0 = localtime (&now)->tm_hour;
2999 hour_unset = localtime (&now)->tm_hour;
3000 if (putenv (TZ_PST8) != 0)
3002 if (localtime (&now)->tm_hour == hour_GMT0)
3005 if (localtime (&now)->tm_hour != hour_unset)
3008 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3009 [# If we have tzset, assume the worst when cross-compiling.
3010 emacs_cv_localtime_cache=yes])
3012 # If we lack tzset, report that localtime does not cache TZ,
3013 # since we can't invalidate the cache if we don't have tzset.
3014 emacs_cv_localtime_cache=no
3016 AC_MSG_RESULT($emacs_cv_localtime_cache)
3017 if test $emacs_cv_localtime_cache = yes; then
3018 AC_DEFINE(LOCALTIME_CACHE, 1,
3019 [Define to 1 if localtime caches TZ.])
3023 AC_CHECK_FUNC(socket, , ok_so_far=no)
3024 if test $ok_so_far = yes; then
3025 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3027 if test $ok_so_far = yes; then
3028 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3030 if test $ok_so_far = yes; then
3031 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3032 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3033 [Define to 1 if you have inet sockets.])
3036 if test -f /usr/lpp/X11/bin/smt.exp; then
3037 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3038 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3041 AC_MSG_CHECKING(whether system supports dynamic ptys)
3042 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3044 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3051 AC_CHECK_FUNCS(snprintf)
3053 dnl Adapted from Haible's version.
3054 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3055 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3056 [[char* cs = nl_langinfo(CODESET);]])],
3057 emacs_cv_langinfo_codeset=yes,
3058 emacs_cv_langinfo_codeset=no)
3060 if test $emacs_cv_langinfo_codeset = yes; then
3061 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3062 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3067 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3068 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3069 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3070 if test "$emacs_cv_c_restrict_arr" = yes; then
3071 AC_DEFINE(__restrict_arr, __restrict,
3072 [Define to compiler's equivalent of C99 restrict keyword in array
3073 declarations. Define as empty for no equivalent.])
3076 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3077 dnl how the tty code is related to POSIX and/or other versions of termios.
3078 dnl The following looks like a useful start.
3080 dnl AC_SYS_POSIX_TERMIOS
3081 dnl if test $ac_cv_sys_posix_termios = yes; then
3082 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3083 dnl and macros for terminal control.])
3084 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3088 darwin | gnu | hpux* | *bsd )
3089 AC_DEFINE(NO_TERMIO, 1, [Define if termio.h should not be included.])
3093 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3094 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3096 hpux* | irix6-5 | openbsd | sol2* | unixware )
3097 AC_DEFINE(BROKEN_SIGIO, 1, [Define if SIGIO should not be used.])
3103 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3104 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3109 gnu-kfreebsd) opsysfile="s/gnu-linux.h" ;;
3112 dnl SA_RESTART resets the timeout of `select', so don't use it.
3113 AC_DEFINE(BROKEN_SA_RESTART, 1, [Define if SA_RESTART should not
3115 dnl It works to open the pty's tty in the parent (Emacs), then
3116 dnl close and reopen it in the child.
3117 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
3118 works to open a pty's tty in the parent process, then close and
3119 reopen it in the child.])
3121 opsysfile="s/hpux10-20.h"
3124 openbsd) opsysfile="s/netbsd.h" ;;
3127 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
3129 opsysfile="s/sol2-6.h"
3133 # Set up the CFLAGS for real compilation, so we can substitute it.
3134 CFLAGS="$REAL_CFLAGS"
3135 CPPFLAGS="$REAL_CPPFLAGS"
3137 ## Hack to detect a buggy GCC version.
3138 if test "x$GCC" = xyes \
3139 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3140 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3141 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3142 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3145 version=$PACKAGE_VERSION
3147 ### Specify what sort of things we'll be editing into Makefile and config.h.
3148 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3150 AC_SUBST(configuration)
3155 AC_SUBST(exec_prefix)
3158 AC_SUBST(sharedstatedir)
3159 AC_SUBST(libexecdir)
3164 AC_SUBST(locallisppath)
3166 AC_SUBST(x_default_search_path)
3168 AC_SUBST(archlibdir)
3173 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3174 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3175 ## end of LIBX_BASE, but nothing ever set it.
3176 AC_SUBST(LD_SWITCH_X_SITE)
3177 AC_SUBST(C_SWITCH_X_SITE)
3178 AC_SUBST(GNUSTEP_CFLAGS)
3180 ## Used in lwlib/Makefile.in.
3181 AC_SUBST(X_TOOLKIT_TYPE)
3182 if test -n "${opsysfile}"; then
3183 S_FILE="\$(srcdir)/${opsysfile}"
3189 AC_SUBST(ns_appbindir)
3190 AC_SUBST(ns_appresdir)
3192 AC_SUBST(GNU_OBJC_CFLAGS)
3193 AC_SUBST(OTHER_FILES)
3195 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3196 [Define to the canonical Emacs configuration name.])
3197 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3198 [Define to the options passed to configure.])
3199 if test -n "$opsysfile"; then
3200 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3201 [Define to the used os dependent file.])
3207 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3208 AC_DEFINE(HAVE_X_WINDOWS, 1,
3209 [Define to 1 if you want to use the X window system.])
3211 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3213 if test "$HAVE_XFT" = "yes"; then
3214 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3215 elif test "$HAVE_FREETYPE" = "yes"; then
3216 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3226 if test "${USE_X_TOOLKIT}" != "none" ; then
3228 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3229 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3230 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3231 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3232 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3236 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3237 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3241 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3242 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3243 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3247 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3248 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3251 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3254 AC_SUBST(WIDGET_OBJ)
3257 case "$USE_X_TOOLKIT" in
3258 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3259 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3260 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3262 AC_SUBST(TOOLKIT_LIBW)
3264 if test "$USE_X_TOOLKIT" = "none"; then
3265 LIBXT_OTHER="\$(LIBXSM)"
3266 OLDXMENU_TARGET="really-oldXMenu"
3268 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3269 OLDXMENU_TARGET="really-lwlib"
3271 AC_SUBST(LIBXT_OTHER)
3273 ## The X Menu stuff is present in the X10 distribution, but missing
3274 ## from X11. If we have X10, just use the installed library;
3275 ## otherwise, use our own copy.
3276 if test "${HAVE_X11}" = "yes" ; then
3277 AC_DEFINE(HAVE_X11, 1,
3278 [Define to 1 if you want to use version 11 of X windows.
3279 Otherwise, Emacs expects to use version 10.])
3281 if test "$USE_X_TOOLKIT" = "none"; then
3282 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3284 OLDXMENU="\${lwlibdir}/liblw.a"
3286 LIBXMENU="\$(OLDXMENU)"
3287 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3288 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3290 ## For a syntactically valid Makefile; not actually used for anything.
3291 ## See comments in src/Makefile.in.
3293 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3294 if test "${HAVE_X_WINDOWS}" = "yes"; then
3303 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3310 AC_SUBST(OLDXMENU_TARGET)
3313 AC_SUBST(LIBX_OTHER)
3314 AC_SUBST(OLDXMENU_DEPS)
3316 if test "${HAVE_MENUS}" = "yes" ; then
3317 AC_DEFINE(HAVE_MENUS, 1,
3318 [Define to 1 if you have mouse menus.
3319 (This is automatic if you use X, but the option to specify it remains.)
3320 It is also defined with other window systems that support xmenu.c.])
3323 if test "${GNU_MALLOC}" = "yes" ; then
3324 AC_DEFINE(GNU_MALLOC, 1,
3325 [Define to 1 if you want to use the GNU memory allocator.])
3329 if test "${REL_ALLOC}" = "yes" ; then
3330 AC_DEFINE(REL_ALLOC, 1,
3331 [Define REL_ALLOC if you want to use the relocating allocator for
3334 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3336 AC_SUBST(RALLOC_OBJ)
3338 if test "$opsys" = "cygwin"; then
3339 CYGWIN_OBJ="sheap.o"
3340 ## Cygwin differs because of its unexec().
3342 POST_ALLOC_OBJ=lastfile.o
3345 PRE_ALLOC_OBJ=lastfile.o
3348 AC_SUBST(CYGWIN_OBJ)
3349 AC_SUBST(PRE_ALLOC_OBJ)
3350 AC_SUBST(POST_ALLOC_OBJ)
3353 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3356 ## The -headerpad option tells ld (see man page) to leave room at the
3357 ## end of the header for adding load commands. Needed for dumping.
3358 ## 0x690 is the total size of 30 segment load commands (at 56
3359 ## each); under Cocoa 31 commands are required.
3360 if test "$HAVE_NS" = "yes"; then
3361 libs_nsgui="-framework AppKit"
3367 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3369 ## This is here because src/Makefile.in did some extra fiddling around
3370 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3371 ## #ifndef LD_SWITCH_SYSTEM
3372 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3373 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3374 ## not using gcc, darwin.
3375 ## Because this was done in src/Makefile.in, the resulting part of
3376 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3377 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3378 ## rather than LD_SWITCH_SYSTEM.
3379 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3380 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3383 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
3384 ## find X at run-time.
3385 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
3386 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
3387 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3388 ## had different values in configure (in ac_link) and src/Makefile.in.
3389 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3390 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
3392 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3395 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3396 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3399 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3405 ## gnu: GNU needs its own crt0.
3406 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3408 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3409 ## library search parth, i.e. it won't search /usr/lib for libc and
3410 ## friends. Using -nostartfiles instead avoids this problem, and
3411 ## will also work on earlier NetBSD releases.
3412 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3414 ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3415 ## MkLinux/LinuxPPC needs this.
3416 ## s390x-* only supports opsys = gnu-linux so it can be added here.
3418 case "$canonical" in
3419 powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;;
3425 if test "x$ORDINARY_LINK" = "xyes"; then
3428 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3430 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3431 ## freebsd, gnu-* not on powerpc*|s390x*.
3432 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3434 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3435 ## places that are difficult to figure out at make time. Fortunately,
3436 ## these same versions allow you to pass arbitrary flags on to the
3437 ## linker, so there is no reason not to use it as a linker.
3439 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3440 ## searching for libraries in its internal directories, so we have to
3441 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3442 LD_FIRSTFLAG="-nostdlib"
3445 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3446 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3448 AC_SUBST(LD_FIRSTFLAG)
3451 ## FIXME? The logic here is not precisely the same as that above.
3452 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3453 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3455 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3458 freebsd|netbsd|openbsd) LIB_GCC= ;;
3461 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3462 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3468 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3469 ## immediately undefine it again and redefine it to empty.
3470 ## Was the C_SWITCH_X_SITE part really necessary?
3471 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3477 ## Ask GCC where to find libgcc.a.
3478 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3484 ## If we're using X11/GNUstep, define some consequences.
3485 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3486 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3487 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3491 AH_TOP([/* GNU Emacs site configuration template file.
3493 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3494 Free Software Foundation, Inc.
3496 This file is part of GNU Emacs.
3498 GNU Emacs is free software: you can redistribute it and/or modify
3499 it under the terms of the GNU General Public License as published by
3500 the Free Software Foundation, either version 3 of the License, or
3501 (at your option) any later version.
3503 GNU Emacs is distributed in the hope that it will be useful,
3504 but WITHOUT ANY WARRANTY; without even the implied warranty of
3505 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3506 GNU General Public License for more details.
3508 You should have received a copy of the GNU General Public License
3509 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3512 /* No code in Emacs #includes config.h twice, but some bits of code
3513 intended to work with other packages as well (like gmalloc.c)
3514 think they can include it as many times as they like. */
3515 #ifndef EMACS_CONFIG_H
3516 #define EMACS_CONFIG_H
3520 /* On AIX 3 this must be included before any other include file. */
3523 # error "alloca not available on this machine"
3526 /* Define AMPERSAND_FULL_NAME if you use the convention
3527 that & in the full name stands for the login id. */
3528 /* Turned on June 1996 supposing nobody will mind it. */
3529 #define AMPERSAND_FULL_NAME
3531 /* `subprocesses' should be defined if you want to
3532 have code for asynchronous subprocesses
3533 (as used in M-x compile and M-x shell).
3534 Only MSDOS does not support this (it overrides
3535 this in its config_opsysfile below). */
3537 #define subprocesses
3539 /* Include the os dependent file. */
3540 #ifdef config_opsysfile
3541 # include config_opsysfile
3544 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3545 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3546 (There is probably a better place to do this, but right now the
3547 Cocoa side does this in s/darwin.h and we cannot parallel this
3548 exactly since GNUstep is multi-OS. */
3549 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3550 # define SYSTEM_PURESIZE_EXTRA 30000
3553 #ifdef emacs /* Don't do this for lib-src. */
3554 /* Tell regex.c to use a type compatible with Emacs. */
3555 #define RE_TRANSLATE_TYPE Lisp_Object
3556 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3558 /* If make_number is a macro, use it. */
3559 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3561 /* If make_number is a function, avoid it. */
3562 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3569 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3570 #define NO_INLINE __attribute__((noinline))
3575 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3576 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3578 #define EXTERNALLY_VISIBLE
3581 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3582 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3584 # define ATTRIBUTE_FORMAT(spec) /* empty */
3587 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3588 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3589 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3591 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3592 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3595 /* Some versions of GNU/Linux define noinline in their headers. */
3600 /* These won't be used automatically yet. We also need to know, at least,
3601 that the stack is continuous. */
3603 # ifndef GC_SETJMP_WORKS
3604 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3605 # define GC_SETJMP_WORKS 1
3609 #endif /* EMACS_CONFIG_H */
3618 #### Report on what we decided to do.
3619 #### Report GTK as a toolkit, even if it doesn't use Xt.
3620 #### It makes printing result more understandable as using GTK sets
3621 #### toolkit_scroll_bars to yes by default.
3622 if test "${HAVE_GTK}" = "yes"; then
3627 Configured for \`${canonical}'.
3629 Where should the build process find the source code? ${srcdir}
3630 What operating system file should Emacs use? ${opsysfile-none}
3631 What compiler should emacs be built with? ${CC} ${CFLAGS}
3632 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3633 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3634 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3635 What window system should Emacs use? ${window_system}
3636 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3638 if test -n "${x_includes}"; then
3639 echo " Where do we find X Windows header files? ${x_includes}"
3641 echo " Where do we find X Windows header files? Standard dirs"
3643 if test -n "${x_libraries}"; then
3644 echo " Where do we find X Windows libraries? ${x_libraries}"
3646 echo " Where do we find X Windows libraries? Standard dirs"
3649 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3650 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3651 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3652 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3653 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3654 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3655 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3656 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3658 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3659 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3660 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3661 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3662 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3663 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3664 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3666 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3667 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3668 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3669 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3671 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3674 if test -n "${EMACSDATA}"; then
3675 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3677 if test -n "${EMACSDOC}"; then
3678 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3683 if test "$HAVE_NS" = "yes"; then
3685 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3686 The installed application will go to nextstep/Emacs.app and can be
3687 run or moved from there."
3688 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3689 echo "The application will be fully self-contained."
3691 echo "The lisp resources for the application will be installed under ${prefix}.
3692 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3693 to run if these resources are not installed."
3698 if test "${opsys}" = "cygwin"; then
3700 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3706 # Remove any trailing slashes in these variables.
3707 [test "${prefix}" != NONE &&
3708 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3709 test "${exec_prefix}" != NONE &&
3710 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3712 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3713 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3714 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3715 dnl (else you get "no `Makefile.am' found for any configure output").
3716 dnl This will work, but you get a config.status that is not quite right
3717 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3718 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3719 dnl it seems better to just live with the duplication.
3720 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"
3722 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3723 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3724 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3727 dnl test/ is not present in release tarfiles.
3728 opt_makefile=test/automated/Makefile
3730 if test -f $srcdir/${opt_makefile}.in; then
3731 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3732 dnl Again, it's best not to use a variable. Though you can add
3733 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3734 AC_CONFIG_FILES([test/automated/Makefile])
3738 dnl admin/ may or may not be present.
3739 opt_makefile=admin/unidata/Makefile
3741 if test -f $srcdir/${opt_makefile}.in; then
3742 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3743 AC_CONFIG_FILES([admin/unidata/Makefile])
3747 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3749 AC_SUBST(SUBDIR_MAKEFILES_IN)
3751 dnl Make the necessary directories, if they don't exist.
3752 AC_CONFIG_COMMANDS([mkdirs], [
3753 for dir in etc lisp ; do
3754 test -d ${dir} || mkdir ${dir}
3758 dnl You might wonder (I did) why epaths.h is generated by running make,
3759 dnl rather than just letting configure generate it from epaths.in.
3760 dnl One reason is that the various paths are not fully expanded (see above);
3761 dnl eg gamedir=${prefix}/var/games/emacs.
3762 dnl Secondly, the GNU Coding standards require that one should be able
3763 dnl to run `make prefix=/some/where/else' and override the values set
3764 dnl by configure. This also explains the `move-if-change' test and
3765 dnl the use of force in the `epaths-force' rule in Makefile.in.
3766 AC_CONFIG_COMMANDS([epaths], [
3767 echo creating src/epaths.h
3768 ${MAKE-make} epaths-force
3769 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
3771 AC_CONFIG_COMMANDS([gdbinit], [
3772 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3773 echo creating src/.gdbinit
3774 echo source $srcdir/src/.gdbinit > src/.gdbinit
3780 dnl configure.in ends here