1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2012 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.1.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
28 AC_CONFIG_AUX_DIR(build-aux)
31 dnl Support for --program-prefix, --program-suffix and
32 dnl --program-transform-name options
35 dnl It is important that variables on the RHS not be expanded here,
36 dnl hence the single quotes. This is per the GNU coding standards, see
37 dnl (autoconf) Installation Directory Variables
38 dnl See also epaths.h below.
39 lispdir='${datadir}/emacs/${version}/lisp'
40 leimdir='${datadir}/emacs/${version}/leim'
41 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
42 '${datadir}/emacs/site-lisp'
43 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
44 etcdir='${datadir}/emacs/${version}/etc'
45 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
46 docdir='${datadir}/emacs/${version}/etc'
47 gamedir='${localstatedir}/games/emacs'
49 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
50 dnl Create a new --with option that defaults to being disabled.
51 dnl NAME is the base name of the option. The shell variable with_NAME
52 dnl will be set to either the user's value (if the option is
53 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
54 dnl option is not specified). Note that the shell variable name is
55 dnl constructed as autoconf does, by replacing non-alphanumeric
56 dnl characters with "_".
57 dnl HELP-STRING is the help text for the option.
58 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
59 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
60 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
63 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
64 dnl Create a new --with option that defaults to being enabled. NAME
65 dnl is the base name of the option. The shell variable with_NAME
66 dnl will be set either to 'no' (for a plain --without-NAME) or to
67 dnl 'yes' (if the option is not specified). Note that the shell
68 dnl variable name is constructed as autoconf does, by replacing
69 dnl non-alphanumeric characters with "_".
70 dnl HELP-STRING is the help text for the option.
71 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
72 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
73 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
76 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
77 if test "$with_pop" = yes; then
78 AC_DEFINE(MAIL_USE_POP)
80 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
82 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
83 if test "$with_kerberos" != no; then
87 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
89 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
90 if test "${with_kerberos5}" != no; then
91 if test "${with_kerberos}" = no; then
95 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
98 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
99 dnl FIXME hesiod support may not be present, so it seems like an error
100 dnl to define, or at least use, this unconditionally.
101 if test "$with_hesiod" != no; then
102 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
105 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
106 if test "$with_mmdf" != no; then
107 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
110 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
111 if test "$with_mail_unlink" != no; then
112 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
115 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
116 [string giving default POP mail host])],
117 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
119 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
121 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
122 if test "$with_sync_input" = yes; then
123 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
126 dnl FIXME currently it is not the last.
127 dnl This should be the last --with option, because --with-x is
128 dnl added later on when we find the path of X, and it's best to
129 dnl keep them together visually.
130 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
131 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
132 [ case "${withval}" in
133 y | ye | yes ) val=gtk ;;
135 l | lu | luc | luci | lucid ) val=lucid ;;
136 a | at | ath | athe | athen | athena ) val=athena ;;
137 m | mo | mot | moti | motif ) val=motif ;;
138 g | gt | gtk ) val=gtk ;;
141 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
142 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
143 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
149 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
150 if test "$with_wide_int" = yes; then
151 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
154 dnl _ON results in a '--without' option in the --help output, so
155 dnl the help text should refer to "don't compile", etc.
156 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
157 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
158 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
159 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
160 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
161 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
162 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
163 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
165 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
166 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
167 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
169 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
170 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
171 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
172 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
174 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
175 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
176 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
177 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
178 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
179 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
181 ## For the times when you want to build Emacs but don't have
182 ## a suitable makeinfo, and can live without the manuals.
183 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
184 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
186 ## Makefile.in needs the cache file name.
189 ## This is an option because I do not know if all info/man support
190 ## compressed files, nor how to test if they do so.
191 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
192 if test $with_compress_info = yes; then
199 AC_ARG_WITH([pkg-config-prog],dnl
200 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
201 [path to pkg-config for finding GTK and librsvg])])
202 if test "X${with_pkg_config_prog}" != X; then
203 if test "${with_pkg_config_prog}" != yes; then
204 PKG_CONFIG="${with_pkg_config_prog}"
209 AC_ARG_WITH([crt-dir],dnl
210 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
211 The default is /usr/lib, or /usr/lib64 on some platforms.])])
212 CRT_DIR="${with_crt_dir}"
214 AC_ARG_WITH(gameuser,dnl
215 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
216 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
217 && gameuser="${with_gameuser}"
218 test "X$gameuser" = X && gameuser=games
220 AC_ARG_WITH([gnustep-conf],dnl
221 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
222 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
223 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
224 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
225 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
227 AC_ARG_ENABLE(ns-self-contained,
228 [AS_HELP_STRING([--disable-ns-self-contained],
229 [disable self contained build under NeXTstep])],
230 EN_NS_SELF_CONTAINED=$enableval,
231 EN_NS_SELF_CONTAINED=yes)
233 AC_ARG_ENABLE(asserts,
234 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
235 USE_XASSERTS=$enableval,
238 AC_ARG_ENABLE(locallisppath,
239 [AS_HELP_STRING([--enable-locallisppath=PATH],
240 [directories Emacs should search for lisp files specific
242 if test "${enableval}" = "no"; then
244 elif test "${enableval}" != "yes"; then
245 locallisppath=${enableval}
248 AC_ARG_ENABLE(checking,
249 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
250 [enable expensive run-time checks. With LIST,
251 enable only specific categories of checks.
252 Categories are: all,yes,no.
253 Flags are: stringbytes, stringoverrun, stringfreelist,
254 xmallocoverrun, conslist])],
255 [ac_checking_flags="${enableval}"],[])
256 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
257 for check in $ac_checking_flags
260 # these set all the flags to specific states
261 yes) ac_enable_checking=1 ;;
262 no) ac_enable_checking= ;
263 ac_gc_check_stringbytes= ;
264 ac_gc_check_string_overrun= ;
265 ac_gc_check_string_free_list= ;
266 ac_xmalloc_overrun= ;
267 ac_gc_check_cons_list= ;;
268 all) ac_enable_checking=1 ;
269 ac_gc_check_stringbytes=1 ;
270 ac_gc_check_string_overrun=1 ;
271 ac_gc_check_string_free_list=1 ;
272 ac_xmalloc_overrun=1 ;
273 ac_gc_check_cons_list=1 ;;
274 # these enable particular checks
275 stringbytes) ac_gc_check_stringbytes=1 ;;
276 stringoverrun) ac_gc_check_string_overrun=1 ;;
277 stringfreelist) ac_gc_check_string_free_list=1 ;;
278 xmallocoverrun) ac_xmalloc_overrun=1 ;;
279 conslist) ac_gc_check_cons_list=1 ;;
280 *) AC_MSG_ERROR(unknown check category $check) ;;
285 if test x$ac_enable_checking != x ; then
286 AC_DEFINE(ENABLE_CHECKING, 1,
287 [Enable expensive run-time checking of data types?])
289 if test x$ac_gc_check_stringbytes != x ; then
290 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
291 [Define this temporarily to hunt a bug. If defined, the size of
292 strings is redundantly recorded in sdata structures so that it can
293 be compared to the sizes recorded in Lisp strings.])
295 if test x$ac_gc_check_string_overrun != x ; then
296 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
297 [Define this to check for short string overrun.])
299 if test x$ac_gc_check_string_free_list != x ; then
300 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
301 [Define this to check the string free list.])
303 if test x$ac_xmalloc_overrun != x ; then
304 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
305 [Define this to check for malloc buffer overrun.])
307 if test x$ac_gc_check_cons_list != x ; then
308 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
309 [Define this to check for errors in cons list.])
312 AC_ARG_ENABLE(use-lisp-union-type,
313 [AS_HELP_STRING([--enable-use-lisp-union-type],
314 [use a union for the Lisp_Object data type.
315 This is only useful for development for catching certain types of bugs.])],
316 if test "${enableval}" != "no"; then
317 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
318 [Define this to use a lisp union for the Lisp_Object data type.])
322 AC_ARG_ENABLE(profiling,
323 [AS_HELP_STRING([--enable-profiling],
324 [build emacs with profiling support.
325 This might not work on all platforms])],
326 [ac_enable_profiling="${enableval}"],[])
327 if test x$ac_enable_profiling != x ; then
328 PROFILING_CFLAGS="-DPROFILING=1 -pg"
332 AC_SUBST(PROFILING_CFLAGS)
334 AC_ARG_ENABLE(autodepend,
335 [AS_HELP_STRING([--enable-autodepend],
336 [automatically generate dependencies to .h-files.
337 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
339 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
341 #### Make srcdir absolute, if it isn't already. It's important to
342 #### avoid running the path through pwd unnecessarily, since pwd can
343 #### give you automounter prefixes, which can go away. We do all this
344 #### so Emacs can find its files when run uninstalled.
345 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
350 ## We may be able to use the $PWD environment variable to make this
351 ## absolute. But sometimes PWD is inaccurate.
352 ## Note: we used to use ${PWD} at the end instead of `pwd`,
353 ## but that tested only for a well-formed and valid PWD,
354 ## it did not object when PWD was well-formed and valid but just wrong.
355 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
359 srcdir="`(cd ${srcdir}; pwd)`"
362 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
365 #### Given the configuration name, set opsysfile to the
366 #### name of s/*.h file we should use.
368 ### Canonicalize the configuration name.
372 configuration=${host_alias-${build_alias-$host}}
374 dnl This used to use changequote, but, apart from `changequote is evil'
375 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
376 dnl the great gob of text. Thus it's not processed for possible expansion.
377 dnl Just make sure the brackets remain balanced.
379 dnl Since Emacs can't find matching pairs of quotes, boundaries are
380 dnl indicated by comments.
384 ### If you add support for a new configuration, add code to this
385 ### switch statement to recognize your configuration name and select
386 ### the appropriate operating system file.
388 ### You would hope that you could choose an s/*.h
389 ### file based on the operating system portion. However, it turns out
390 ### that each s/*.h file is pretty manufacturer-specific.
391 ### So we basically have to have a special case for each
392 ### configuration name.
394 ### As far as handling version numbers on operating systems is
395 ### concerned, make sure things will fail in a fixable way. If
396 ### /etc/MACHINES doesn't say anything about version numbers, be
397 ### prepared to handle anything reasonably. If version numbers
398 ### matter, be sure /etc/MACHINES says something about it.
401 case "${canonical}" in
403 ## GNU/Linux and similar ports
413 ## FreeBSD kernel + glibc based userland
428 ## Apple Darwin / Mac OS X
430 case "${canonical}" in
437 ## Use fink packages if available.
438 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
439 ## if test -d /sw/include && test -d /sw/lib; then
440 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
441 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
445 ## HP 9000 series 700 and 800, running HP/UX
449 hppa*-hp-hpux1[1-9]* )
451 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
455 rs6000-ibm-aix4.[23]* )
458 powerpc-ibm-aix4.[23]* )
461 rs6000-ibm-aix[56]* )
464 powerpc-ibm-aix[56]* )
468 ## Silicon Graphics machines
472 # Without defining _LANGUAGE_C, things get masked out in the headers
473 # so that, for instance, grepping for `free' in stdlib.h fails and
474 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
475 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
480 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
481 | x86_64-*-solaris2* | x86_64-*-sunos5*)
482 case "${canonical}" in
484 amd64-*-*|x86_64-*-*) ;;
488 case "${canonical}" in
489 *-sunos5.6* | *-solaris2.6* )
493 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
495 emacs_check_sunpro_c=yes
497 *-sunos5* | *-solaris* )
499 emacs_check_sunpro_c=yes
502 ## Watch out for a compiler that we know will not work.
503 case "${canonical}" in
504 *-solaris* | *-sunos5* )
505 if [ "x$CC" = x/usr/ucb/cc ]; then
506 ## /usr/ucb/cc doesn't work;
507 ## we should find some other compiler that does work.
515 ## Intel 386 machines where we don't care about the manufacturer.
517 case "${canonical}" in
518 *-cygwin ) opsys=cygwin ;;
519 *-darwin* ) opsys=darwin ;;
520 *-sysv4.2uw* ) opsys=unixware ;;
521 *-sysv5uw* ) opsys=unixware ;;
522 *-sysv5OpenUNIX* ) opsys=unixware ;;
523 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
532 ### If the code above didn't choose an operating system, just choose
533 ### an operating system based on the configuration name. You really
534 ### only want to use this when you have no idea what the right
535 ### operating system is; if you know what operating systems a machine
536 ### runs, it's cleaner to make it explicit in the case statement
538 if test x"${opsys}" = x; then
539 case "${canonical}" in
540 *-gnu* ) opsys=gnu ;;
550 if test $unported = yes; then
551 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
552 Check `etc/MACHINES' for recognized configuration names.])
555 opsysfile="s/${opsys}.h"
558 #### Choose a compiler.
560 dnl Sets GCC=yes if using gcc.
564 if test x$GCC = xyes; then
565 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
567 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
570 # Initialize gnulib right after choosing the compiler.
573 AC_ARG_ENABLE([gcc-warnings],
574 [AS_HELP_STRING([--enable-gcc-warnings],
575 [turn on lots of GCC warnings (for developers)])],
578 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
580 gl_gcc_warnings=$enableval],
584 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
585 # ------------------------------------------------
586 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
587 # Otherwise, run RUN-IF-NOT-FOUND.
588 AC_DEFUN([gl_GCC_VERSION_IFELSE],
592 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
595 # error "your version of gcc is older than $1.$2"
602 # When compiling with GCC, prefer -isystem to -I when including system
603 # include files, to avoid generating useless diagnostics for the files.
604 if test "$gl_gcc_warnings" != yes; then
609 # This, $nw, is the list of warnings we disable.
612 case $with_x_toolkit in
613 lucid | athena | motif)
614 # Old toolkits mishandle 'const'.
615 nw="$nw -Wwrite-strings"
618 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
621 AC_SUBST([WERROR_CFLAGS])
623 nw="$nw -Waggregate-return" # anachronistic
624 nw="$nw -Wlong-long" # C90 is anachronistic
625 nw="$nw -Wc++-compat" # We don't care about C++ compilers
626 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
627 nw="$nw -Wtraditional" # Warns on #elif which we use often
628 nw="$nw -Wcast-qual" # Too many warnings for now
629 nw="$nw -Wconversion" # Too many warnings for now
630 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
631 nw="$nw -Wsign-conversion" # Too many warnings for now
632 nw="$nw -Woverlength-strings" # Not a problem these days
633 nw="$nw -Wtraditional-conversion" # Too many warnings for now
634 nw="$nw -Wpadded" # Our structs are not padded
635 nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc.
636 nw="$nw -Wlogical-op" # any use of fwrite provokes this
637 nw="$nw -Wformat-nonliteral" # Emacs does this a lot
638 nw="$nw -Wvla" # warnings in gettext.h
639 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
640 nw="$nw -Wswitch-enum" # Too many warnings for now
641 nw="$nw -Wswitch-default" # Too many warnings for now
642 nw="$nw -Wfloat-equal" # e.g., ftoastr.c
643 nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p
645 # Emacs doesn't care about shadowing; see
646 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
649 # The following lines should be removable at some point.
650 nw="$nw -Wstack-protector"
651 nw="$nw -Wstrict-overflow"
652 nw="$nw -Wsuggest-attribute=const"
653 nw="$nw -Wsuggest-attribute=pure"
655 gl_MANYWARN_ALL_GCC([ws])
656 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
660 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
661 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
662 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
663 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
664 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
665 gl_WARN_ADD([-Wno-format-nonliteral])
667 # In spite of excluding -Wlogical-op above, it is enabled, as of
668 # gcc 4.5.0 20090517.
669 gl_WARN_ADD([-Wno-logical-op])
671 gl_WARN_ADD([-fdiagnostics-show-option])
672 gl_WARN_ADD([-funit-at-a-time])
674 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
675 AC_DEFINE([_FORTIFY_SOURCE], [2],
676 [enable compile-time and run-time bounds-checking, and some warnings])
677 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
679 # We use a slightly smaller set of warning options for lib/.
680 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
682 nw="$nw -Wunused-macros"
684 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
685 AC_SUBST([GNULIB_WARN_CFLAGS])
690 dnl Some other nice autoconf tests.
691 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
694 dnl if test "x$RANLIB" = x; then
698 AC_PATH_PROG(INSTALL_INFO, install-info, :,
699 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
700 dnl Don't use GZIP, which is used by gzip for additional parameters.
701 AC_PATH_PROG(GZIP_PROG, gzip)
702 AC_PATH_PROG(PAXCTL, paxctl,,
703 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
706 ## Need makeinfo >= 4.7 (?) to build the manuals.
707 AC_PATH_PROG(MAKEINFO, makeinfo, no)
708 dnl By this stage, configure has already checked for egrep and set EGREP,
709 dnl or exited with an error if no egrep was found.
710 if test "$MAKEINFO" != "no" && \
711 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'`" = x; then
715 ## Makeinfo is unusual. For a released Emacs, the manuals are
716 ## pre-built, and not deleted by the normal clean rules. makeinfo is
717 ## therefore in the category of "special tools" not normally required, which
718 ## configure does not have to check for (eg autoconf itself).
719 ## In a Bazaar checkout on the other hand, the manuals are not included.
720 ## So makeinfo is a requirement to build from Bazaar, and configure
721 ## should test for it as it does for any other build requirement.
722 ## We use the presence of $srcdir/info/emacs to distinguish a release,
723 ## with pre-built manuals, from a Bazaar checkout.
726 if test "$MAKEINFO" = "no"; then
728 if test "x${with_makeinfo}" = "xno"; then
730 elif test ! -e $srcdir/info/emacs; then
731 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
732 source tree does not seem to have pre-built manuals in the `info' directory.
733 Either install a suitable version of makeinfo, or re-run configure
734 with the `--without-makeinfo' option to build without the manuals.] )
737 AC_SUBST(HAVE_MAKEINFO)
739 dnl Just so that there is only a single place we need to edit.
745 dnl Add our options to ac_link now, after it is set up.
747 if test x$GCC = xyes; then
748 test "x$GCC_LINK_TEST_OPTIONS" != x && \
749 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
751 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
752 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
755 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
756 dnl If we can link with the flag, it shouldn't do any harm anyhow.
757 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
758 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
759 dnl if not built to support GNU ld.
761 late_LDFLAGS=$LDFLAGS
762 if test x$GCC = xyes; then
763 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
765 LDFLAGS="$LDFLAGS -znocombreloc"
768 AC_MSG_CHECKING([for -znocombreloc])
769 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
770 [AC_MSG_RESULT(yes)],
771 LDFLAGS=$late_LDFLAGS
775 dnl The function dump-emacs will not be defined and temacs will do
776 dnl (load "loadup") automatically unless told otherwise.
777 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
779 your-opsys-here) CANNOT_DUMP=yes ;;
782 test "$CANNOT_DUMP" = "yes" && \
783 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
785 AC_SUBST(CANNOT_DUMP)
790 # MSDOS uses unexcoff.o
791 # MSWindows uses unexw32.o
799 UNEXEC_OBJ=unexmacosx.o
802 UNEXEC_OBJ=unexhp9k800.o
805 # Use the Solaris dldump() function, called from unexsol.c, to dump
806 # emacs, instead of the generic ELF dump code found in unexelf.c.
807 # The resulting binary has a complete symbol table, and is better
808 # for debugging and other observability tools (debuggers, pstack, etc).
810 # If you encounter a problem using dldump(), please consider sending
811 # a message to the OpenSolaris tools-linking mailing list:
812 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
814 # It is likely that dldump() works with older Solaris too, but this has
815 # not been tested, so for now this change is for Solaris 10 or newer.
823 ## Let `ld' find image libs and similar things in /usr/local/lib.
824 ## The system compiler, GCC, has apparently been modified to not
825 ## look there, contrary to what a stock GCC would do.
826 ### It's not our place to do this. See bug#10313#17.
827 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
832 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
833 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
837 ### It's not our place to do this. See bug#10313#17.
838 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
843 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
844 ## otherwise Emacs dumps core on elf systems.
845 LD_SWITCH_SYSTEM="-Z"
848 AC_SUBST(LD_SWITCH_SYSTEM)
850 ac_link="$ac_link $LD_SWITCH_SYSTEM"
852 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
853 ## which has not been defined yet. When this was handled with cpp,
854 ## it was expanded to null when configure sourced the s/*.h file.
855 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
856 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
857 ## (or somesuch), but because it is supposed to go at the _front_
858 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
859 ## Compare with the gnu-linux case below, which added to the end
860 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
861 ## LD_SWITCH_SYSTEM_TEMACS.
864 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
871 AC_CHECK_DECL([__ELF__])
872 if test "$ac_cv_have_decl___ELF__" = "yes"; then
873 ## With ELF, make sure that all common symbols get allocated to in the
874 ## data section. Otherwise, the dump of temacs may miss variables in
875 ## the shared library that have been initialized. For example, with
876 ## GNU libc, __malloc_initialized would normally be resolved to the
877 ## shared library's .bss section, which is fatal.
878 if test "x$GCC" = "xyes"; then
879 C_SWITCH_MACHINE="-fno-common"
881 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
884 UNEXEC_OBJ=unexalpha.o
888 AC_SUBST(C_SWITCH_MACHINE)
893 ## Some programs in src produce warnings saying certain subprograms
894 ## are too complex and need a MAXMEM value greater than 2000 for
895 ## additional optimization. --nils@exp-math.uni-essen.de
896 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
897 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
898 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
899 ## It is redundant in glibc2, since we define _GNU_SOURCE.
900 AC_SUBST(C_SWITCH_SYSTEM)
905 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
906 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
908 freebsd) LIBS_SYSTEM="-lutil" ;;
910 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
912 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
914 ## Motif needs -lgen.
915 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
917 AC_SUBST(LIBS_SYSTEM)
920 ### Make sure subsequent tests use flags consistent with the build flags.
922 if test x"${OVERRIDE_CPPFLAGS}" != x; then
923 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
925 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
928 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
929 AC_DEFUN([AC_TYPE_SIZE_T])
930 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
931 AC_DEFUN([AC_TYPE_UID_T])
937 dnl Current possibilities handled by sed (aix4-2 -> aix,
938 dnl gnu-linux -> gnu/linux, etc.):
939 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
940 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
941 SYSTEM_TYPE=`echo $opsys | sed -e 's/[0-9].*//' -e 's|-|/|'`
943 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
947 START_FILES='pre-crt0.o'
950 ## Adding -lm confuses the dynamic linker, so omit it.
952 START_FILES='pre-crt0.o'
955 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
956 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
957 SYSTEM_TYPE=berkeley-unix
959 gnu-linux | gnu-kfreebsd )
960 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
961 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
965 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
967 dnl NB this may be adjusted below.
969 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
970 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
971 SYSTEM_TYPE=berkeley-unix
975 SYSTEM_TYPE=usg-unix-v
981 AC_SUBST(START_FILES)
982 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
983 [The type of system you are compiling for; sets `system-type'.])
985 dnl Not all platforms use crtn.o files. Check if the current one does.
988 for file in x $LIB_STANDARD $START_FILES; do
990 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
994 if test "x$crt_files" != x; then
996 ## If user specified a crt-dir, use that unconditionally.
999 if test "X$CRT_DIR" = "X"; then
1001 CRT_DIR=/usr/lib # default
1003 case "$canonical" in
1004 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1005 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1006 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1007 ## For anything else (eg /usr/lib32), it is up the user to specify
1008 ## the location (bug#5655).
1009 ## Test for crtn.o, not just the directory, because sometimes the
1010 ## directory exists but does not have the relevant files (bug#1287).
1011 ## FIXME better to test for binary compatibility somehow.
1012 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1015 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1019 hpux10-20) CRT_DIR=/lib ;;
1022 test "x${GCC}" = xyes && crt_gcc=yes
1028 for file in $crt_files; do
1030 ## If we're using gcc, try to determine it automatically by asking
1031 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1032 ## system-dependent default from above.]
1033 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1035 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1038 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1043 dnl We expect all the files to be in a single directory, so after the
1044 dnl first there is no point asking gcc.
1047 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1050 test "x$crt_missing" = x || \
1051 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1052 Try using the --with-crt-dir option.])
1054 fi # crt_files != ""
1060 if test -f $CRT_DIR/crti.o; then
1062 test -f $CRT_DIR/crtn.o || \
1063 AC_MSG_ERROR([Required file not found: crtn.o])
1065 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1066 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1072 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1074 dnl This function definition taken from Gnome 2.0
1075 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1076 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1077 dnl also defines GSTUFF_PKG_ERRORS on error
1078 AC_DEFUN([PKG_CHECK_MODULES], [
1081 if test "$PKG_CONFIG" = "no" ; then
1082 ifelse([$4], , [AC_MSG_ERROR([
1083 *** 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])
1085 PKG_CONFIG_MIN_VERSION=0.9.0
1086 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1087 AC_MSG_CHECKING(for $2)
1089 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1090 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1091 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1098 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1099 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1100 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1106 ## If we have a custom action on failure, don't print errors, but
1107 ## do set a variable so people can do so.
1108 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1109 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1115 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1116 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1120 if test $succeeded = yes; then
1121 ifelse([$3], , :, [$3])
1123 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.])], [$4])
1128 if test "${with_sound}" != "no"; then
1129 # Sound support for GNU/Linux and the free BSDs.
1130 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1131 have_sound_header=yes)
1132 # Emulation library used on NetBSD.
1133 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1137 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1138 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1139 if test $HAVE_ALSA = yes; then
1140 SAVE_CFLAGS="$CFLAGS"
1142 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1143 LIBS="$ALSA_LIBS $LIBS"
1144 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1145 emacs_alsa_normal=yes,
1146 emacs_alsa_normal=no)
1147 if test "$emacs_alsa_normal" != yes; then
1148 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1149 [[snd_lib_error_set_handler (0);]])],
1150 emacs_alsa_subdir=yes,
1151 emacs_alsa_subdir=no)
1152 if test "$emacs_alsa_subdir" != yes; then
1153 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1155 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1158 CFLAGS="$SAVE_CFLAGS"
1160 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1161 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1162 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1165 dnl Define HAVE_SOUND if we have sound support. We know it works and
1166 dnl compiles only on the specified platforms. For others, it
1167 dnl probably doesn't make sense to try.
1168 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1170 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1171 gnu-linux|freebsd|netbsd)
1172 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1177 AC_SUBST(CFLAGS_SOUND)
1180 dnl checks for header files
1181 AC_CHECK_HEADERS_ONCE(
1182 sys/select.h sys/time.h utime.h
1183 linux/version.h sys/systeminfo.h
1184 stdio_ext.h fcntl.h coff.h pty.h
1185 sys/vlimit.h sys/resource.h
1186 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1188 AC_MSG_CHECKING(if personality LINUX32 can be set)
1189 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1190 emacs_cv_personality_linux32=yes,
1191 emacs_cv_personality_linux32=no)
1192 AC_MSG_RESULT($emacs_cv_personality_linux32)
1194 if test $emacs_cv_personality_linux32 = yes; then
1195 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1196 [Define to 1 if personality LINUX32 can be set.])
1199 dnl On Solaris 8 there's a compilation warning for term.h because
1200 dnl it doesn't define `bool'.
1201 AC_CHECK_HEADERS(term.h, , , -)
1203 AC_CHECK_DECLS([sys_siglist])
1204 if test $ac_cv_have_decl_sys_siglist != yes; then
1205 # For Tru64, at least:
1206 AC_CHECK_DECLS([__sys_siglist])
1207 if test $ac_cv_have_decl___sys_siglist = yes; then
1208 AC_DEFINE(sys_siglist, __sys_siglist,
1209 [Define to any substitute for sys_siglist.])
1214 dnl Some systems have utime.h but don't declare the struct anyplace.
1215 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1216 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1217 #include <sys/time.h>
1220 #ifdef HAVE_SYS_TIME_H
1221 #include <sys/time.h>
1228 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1229 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1230 if test $emacs_cv_struct_utimbuf = yes; then
1231 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1234 dnl Check for speed_t typedef.
1235 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1236 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1237 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1238 if test $emacs_cv_speed_t = yes; then
1239 AC_DEFINE(HAVE_SPEED_T, 1,
1240 [Define to 1 if `speed_t' is declared by <termios.h>.])
1243 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1244 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1245 #include <sys/time.h>
1248 #ifdef HAVE_SYS_TIME_H
1249 #include <sys/time.h>
1253 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1254 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1255 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1256 if test $emacs_cv_struct_timeval = yes; then
1257 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1260 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1261 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1262 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1263 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1264 HAVE_EXCEPTION=$emacs_cv_struct_exception
1265 if test $emacs_cv_struct_exception != yes; then
1266 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1269 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1270 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1271 #if HAVE_SYS_SOCKET_H
1272 #include <sys/socket.h>
1274 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1275 #if HAVE_SYS_SOCKET_H
1276 #include <sys/socket.h>
1278 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1279 #if HAVE_SYS_SOCKET_H
1280 #include <sys/socket.h>
1282 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1284 dnl checks for structure members
1285 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1286 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1287 struct ifreq.ifr_addr,
1288 struct ifreq.ifr_addr.sa_len], , ,
1289 [AC_INCLUDES_DEFAULT
1290 #if HAVE_SYS_SOCKET_H
1291 #include <sys/socket.h>
1297 dnl Check for endianness.
1298 dnl AC_C_BIGENDIAN is done by gnulib.
1300 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1301 [emacs_cv_attribute_aligned],
1304 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1306 [emacs_cv_attribute_aligned=yes],
1307 [emacs_cv_attribute_aligned=no])])
1308 if test $emacs_cv_attribute_aligned = yes; then
1309 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1310 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1313 dnl check for Make feature
1314 dnl AC_PROG_MAKE_SET is done by Automake.
1319 dnl check for GNU Make if we have GCC and autodepend is on.
1320 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1321 AC_MSG_CHECKING([whether we are using GNU Make])
1323 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1324 if test "x$testval" != x; then
1327 ac_enable_autodepend=no
1329 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1330 if test $HAVE_GNU_MAKE = yes; then
1331 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1332 SAVE_CFLAGS="$CFLAGS"
1333 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1334 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1335 CFLAGS="$SAVE_CFLAGS"
1336 test -f deps.d || ac_enable_autodepend=no
1338 AC_MSG_RESULT([$ac_enable_autodepend])
1340 if test $ac_enable_autodepend = yes; then
1341 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1342 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1343 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1344 deps_frag=autodeps.mk
1347 deps_frag=$srcdir/src/$deps_frag
1350 AC_SUBST_FILE(deps_frag)
1353 lisp_frag=$srcdir/src/lisp.mk
1354 AC_SUBST_FILE(lisp_frag)
1357 dnl checks for operating system services
1358 AC_SYS_LONG_FILE_NAMES
1360 #### Choose a window system.
1363 if test "$no_x" = yes; then
1369 LD_SWITCH_X_SITE_RPATH=
1370 if test "${x_libraries}" != NONE; then
1371 if test -n "${x_libraries}"; then
1372 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1373 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1375 x_default_search_path=""
1376 x_search_path=${x_libraries}
1377 if test -z "${x_search_path}"; then
1378 x_search_path=/usr/lib
1380 for x_library in `echo ${x_search_path}: | \
1381 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1383 ${x_library}/X11/%L/%T/%N%C%S:\
1384 ${x_library}/X11/%l/%T/%N%C%S:\
1385 ${x_library}/X11/%T/%N%C%S:\
1386 ${x_library}/X11/%L/%T/%N%S:\
1387 ${x_library}/X11/%l/%T/%N%S:\
1388 ${x_library}/X11/%T/%N%S"
1389 if test x"${x_default_search_path}" = x; then
1390 x_default_search_path=${x_search_path}
1392 x_default_search_path="${x_search_path}:${x_default_search_path}"
1396 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1398 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1399 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1402 if test x"${x_includes}" = x; then
1403 bitmapdir=/usr/include/X11/bitmaps
1405 # accumulate include directories that have X11 bitmap subdirectories
1407 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1408 if test -d "${bmd}/X11/bitmaps"; then
1409 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1411 if test -d "${bmd}/bitmaps"; then
1412 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1415 if test ${bmd_acc} != "dummyval"; then
1416 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1423 tmp_CPPFLAGS="$CPPFLAGS"
1424 tmp_CFLAGS="$CFLAGS"
1425 CPPFLAGS="$CPPFLAGS -x objective-c"
1426 CFLAGS="$CFLAGS -x objective-c"
1427 TEMACS_LDFLAGS2="\${LDFLAGS}"
1429 if test "${with_ns}" != no; then
1430 if test "${opsys}" = darwin; then
1432 ns_appdir=`pwd`/nextstep/Emacs.app
1433 ns_appbindir=${ns_appdir}/Contents/MacOS
1434 ns_appresdir=${ns_appdir}/Contents/Resources
1435 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1436 elif test -f $GNUSTEP_CONFIG_FILE; then
1438 ns_appdir=`pwd`/nextstep/Emacs.app
1439 ns_appbindir=${ns_appdir}
1440 ns_appresdir=${ns_appdir}/Resources
1441 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1442 dnl FIXME sourcing this several times in subshells seems inefficient.
1443 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1444 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1445 dnl I seemed to need these as well with GNUstep-startup 0.25.
1446 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1447 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1448 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1449 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1450 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1451 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1452 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1453 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1454 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1458 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1459 dnl If they had chosen to either define it or not, we could have
1460 dnl just used AC_CHECK_DECL here.
1461 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1462 emacs_cv_objc_exceptions,
1463 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1464 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1468 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1469 if test $emacs_cv_objc_exceptions = yes; then
1470 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1471 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1472 [Define if GNUstep uses ObjC exceptions.])
1473 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1477 dnl This is only used while we test the NS headers, it gets reset below.
1478 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1480 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1481 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1482 files are missing or cannot be compiled.])])
1483 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1485 ns_have_nsinteger=yes,
1486 ns_have_nsinteger=no)
1487 if test $ns_have_nsinteger = yes; then
1488 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1491 AC_SUBST(TEMACS_LDFLAGS2)
1493 INSTALL_ARCH_INDEP_EXTRA=install-etc
1494 ns_self_contained=no
1498 if test "${HAVE_NS}" = yes; then
1499 if test "$with_toolkit_scroll_bars" = "no"; then
1500 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1503 window_system=nextstep
1505 # set up packaging dirs
1506 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1507 ns_self_contained=yes
1508 prefix=${ns_appresdir}
1509 exec_prefix=${ns_appbindir}
1510 dnl This one isn't really used, only archlibdir is.
1511 libexecdir="\${ns_appbindir}/libexec"
1512 archlibdir="\${ns_appbindir}/libexec"
1513 docdir="\${ns_appresdir}/etc"
1514 etcdir="\${ns_appresdir}/etc"
1515 dnl FIXME maybe set datarootdir instead.
1516 dnl That would also get applications, icons, man.
1517 infodir="\${ns_appresdir}/info"
1518 mandir="\${ns_appresdir}/man"
1519 lispdir="\${ns_appresdir}/lisp"
1520 leimdir="\${ns_appresdir}/leim"
1521 INSTALL_ARCH_INDEP_EXTRA=
1523 ns_frag=$srcdir/src/ns.mk
1524 NS_OBJ="fontset.o fringe.o image.o"
1525 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1527 CFLAGS="$tmp_CFLAGS"
1528 CPPFLAGS="$tmp_CPPFLAGS"
1529 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1530 AC_SUBST(ns_self_contained)
1532 AC_SUBST(NS_OBJC_OBJ)
1533 AC_SUBST(LIB_STANDARD)
1534 AC_SUBST_FILE(ns_frag)
1536 case "${window_system}" in
1540 case "${with_x_toolkit}" in
1541 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1542 motif ) USE_X_TOOLKIT=MOTIF ;;
1544 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1545 dnl USE_X_TOOLKIT is set.
1546 USE_X_TOOLKIT=none ;;
1547 gtk3 ) with_gtk3=yes
1548 USE_X_TOOLKIT=none ;;
1549 no ) USE_X_TOOLKIT=none ;;
1550 dnl If user did not say whether to use a toolkit, make this decision later:
1551 dnl use the toolkit if we have gtk, or X11R5 or newer.
1552 * ) USE_X_TOOLKIT=maybe ;;
1562 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1563 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1564 if test "$HAVE_XSERVER" = true ||
1565 test -n "$DISPLAY" ||
1566 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1567 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1568 were found. You should install the relevant development files for X
1569 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1570 sure you have development files for image handling, i.e.
1571 tiff, gif, jpeg, png and xpm.
1572 If you are sure you want Emacs compiled without X window support, pass
1578 ### If we're using X11, we should use the X menu package.
1581 yes ) HAVE_MENUS=yes ;;
1584 # Does the opsystem file prohibit the use of the GNU malloc?
1585 # Assume not, until told otherwise.
1589 [whether malloc is Doug Lea style],
1590 [emacs_cv_var_doug_lea_malloc],
1593 [[#include <malloc.h>
1594 static void hook (void) {}]],
1595 [[malloc_set_state (malloc_get_state ());
1596 __after_morecore_hook = hook;
1597 __malloc_initialize_hook = hook;]])],
1598 [emacs_cv_var_doug_lea_malloc=yes],
1599 [emacs_cv_var_doug_lea_malloc=no])])
1600 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1603 dnl See comments in aix4-2.h about maybe using system malloc there.
1606 ## darwin ld insists on the use of malloc routines in the System framework.
1607 darwin|sol2-10) system_malloc=yes ;;
1610 if test "${system_malloc}" = "yes"; then
1611 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1614 (The GNU allocators don't work with this system configuration.)"
1618 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1619 VMLIMIT_OBJ=vm-limit.o
1621 AC_SUBST(GMALLOC_OBJ)
1622 AC_SUBST(VMLIMIT_OBJ)
1624 if test "$doug_lea_malloc" = "yes" ; then
1625 if test "$GNU_MALLOC" = yes ; then
1627 (Using Doug Lea's new malloc from the GNU C Library.)"
1629 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1630 [Define to 1 if you are using the GNU C Library.])
1632 ## Use mmap directly for allocating larger buffers.
1633 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1634 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1635 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1637 gnu*) REL_ALLOC=no ;;
1641 if test x"${REL_ALLOC}" = x; then
1642 REL_ALLOC=${GNU_MALLOC}
1645 use_mmap_for_buffers=no
1647 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1651 if test $use_mmap_for_buffers = yes; then
1652 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1656 LIBS="$LIBS_SYSTEM $LIBS"
1658 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1659 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1660 AC_CHECK_LIB(dnet, dnet_ntoa)
1661 dnl This causes -lresolv to get used in subsequent tests,
1662 dnl which causes failures on some systems such as HPUX 9.
1663 dnl AC_CHECK_LIB(resolv, gethostbyname)
1665 dnl FIXME replace main with a function we actually want from this library.
1666 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1668 dnl Check if pthreads is available.
1670 AC_CHECK_HEADERS_ONCE(pthread.h)
1671 if test "$ac_cv_header_pthread_h"; then
1672 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1673 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1674 dnl testing for pthread_self if Emacs uses gmalloc.c.
1675 if test "$GMALLOC_OBJ" = gmalloc.o; then
1676 emacs_pthread_function=pthread_atfork
1678 emacs_pthread_function=pthread_self
1680 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1682 if test "$HAVE_PTHREAD" = yes; then
1683 case "${canonical}" in
1685 *) LIB_PTHREAD="-lpthread"
1686 LIBS="$LIB_PTHREAD $LIBS" ;;
1688 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1690 AC_SUBST([LIB_PTHREAD])
1692 AC_CHECK_LIB(pthreads, cma_open)
1694 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1695 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1696 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1697 ## added to LIBS in configure would never contain the pthreads part,
1698 ## but the value used in Makefiles might. FIXME?
1700 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1701 ## be harmless on older versions of X where it happens to exist.
1702 test "$opsys" = "aix4-2" && \
1703 test $ac_cv_lib_pthreads_cma_open = yes && \
1704 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1706 dnl Check for need for bigtoc support on IBM AIX
1710 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1712 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1713 *) gdb_cv_bigtoc=-bbigtoc ;;
1716 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1717 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1722 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1723 # used for the tests that follow. We set them back to REAL_CFLAGS and
1724 # REAL_CPPFLAGS later on.
1726 REAL_CFLAGS="$CFLAGS"
1727 REAL_CPPFLAGS="$CPPFLAGS"
1729 if test "${HAVE_X11}" = "yes"; then
1730 DEFS="$C_SWITCH_X_SITE $DEFS"
1731 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1733 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1734 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1736 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1737 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1738 # but it's more convenient here to set LD_RUN_PATH since this
1739 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1740 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1741 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1745 if test "${opsys}" = "gnu-linux"; then
1746 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1747 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1748 [[XOpenDisplay ("foo");]])],
1749 [xgnu_linux_first_failure=no],
1750 [xgnu_linux_first_failure=yes])
1751 if test "${xgnu_linux_first_failure}" = "yes"; then
1752 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1753 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1754 OLD_CPPFLAGS="$CPPFLAGS"
1756 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1757 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1758 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1759 LIBS="$LIBS -b i486-linuxaout"
1760 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1761 [[XOpenDisplay ("foo");]])],
1762 [xgnu_linux_second_failure=no],
1763 [xgnu_linux_second_failure=yes])
1764 if test "${xgnu_linux_second_failure}" = "yes"; then
1765 # If we get the same failure with -b, there is no use adding -b.
1766 # So take it out. This plays safe.
1767 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1768 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1769 CPPFLAGS="$OLD_CPPFLAGS"
1780 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1781 # header files included from there.
1782 AC_MSG_CHECKING(for Xkb)
1783 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1784 #include <X11/XKBlib.h>]],
1785 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1786 emacs_xkb=yes, emacs_xkb=no)
1787 AC_MSG_RESULT($emacs_xkb)
1788 if test $emacs_xkb = yes; then
1789 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1792 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1793 XScreenNumberOfScreen)
1796 if test "${window_system}" = "x11"; then
1797 AC_MSG_CHECKING(X11 version 6)
1798 AC_CACHE_VAL(emacs_cv_x11_version_6,
1799 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1800 [[#if XlibSpecificationRelease < 6
1803 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1804 if test $emacs_cv_x11_version_6 = yes; then
1805 AC_MSG_RESULT(6 or newer)
1806 AC_DEFINE(HAVE_X11R6, 1,
1807 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1808 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1809 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1813 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1814 [Define if you have usable X11R6-style XIM support.])
1818 AC_MSG_RESULT(before 6)
1823 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1825 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1826 if test "${with_rsvg}" != "no"; then
1827 RSVG_REQUIRED=2.11.0
1828 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1830 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1831 AC_SUBST(RSVG_CFLAGS)
1834 if test $HAVE_RSVG = yes; then
1835 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1836 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1837 LIBS="$RSVG_LIBS $LIBS"
1843 if test "${HAVE_X11}" = "yes"; then
1844 if test "${with_imagemagick}" != "no"; then
1845 ## 6.2.8 is the earliest version known to work, but earlier versions
1846 ## might work - let us know if you find one.
1847 ## 6.0.7 does not work. See bug#7955.
1848 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1849 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1850 AC_SUBST(IMAGEMAGICK_CFLAGS)
1851 AC_SUBST(IMAGEMAGICK_LIBS)
1853 if test $HAVE_IMAGEMAGICK = yes; then
1854 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1855 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1856 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1857 AC_CHECK_FUNCS(MagickExportImagePixels)
1865 if test "${with_gtk3}" = "yes"; then
1868 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1870 dnl Checks for libraries.
1871 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1872 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1873 AC_MSG_ERROR($GTK_PKG_ERRORS)
1875 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1876 GTK_OBJ=emacsgtkfixed.o
1879 if test "$pkg_check_gtk" != "yes"; then
1881 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1884 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1886 dnl Checks for libraries.
1887 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1888 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1889 AC_MSG_ERROR($GTK_PKG_ERRORS)
1894 if test x"$pkg_check_gtk" = xyes; then
1896 AC_SUBST(GTK_CFLAGS)
1898 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1899 CFLAGS="$CFLAGS $GTK_CFLAGS"
1900 LIBS="$GTK_LIBS $LIBS"
1901 dnl Try to compile a simple GTK program.
1903 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1904 if test "${GTK_COMPILES}" != "yes"; then
1905 if test "$USE_X_TOOLKIT" != "maybe"; then
1906 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1910 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1911 GTK_OBJ="gtkutil.o $GTK_OBJ"
1913 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1916 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1917 closing open displays. This is no problem if you just use
1918 one display, but if you use more than one and close one of them
1928 if test "${HAVE_GTK}" = "yes"; then
1930 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1931 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1932 if test "$with_toolkit_scroll_bars" != no; then
1933 with_toolkit_scroll_bars=yes
1936 dnl Check if we have the old file selection dialog declared and
1937 dnl in the link library. In 2.x it may be in the library,
1938 dnl but not declared if deprecated featured has been selected out.
1939 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1940 HAVE_GTK_FILE_SELECTION=no
1941 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1942 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1943 #include <gtk/gtk.h>])
1944 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1945 AC_CHECK_FUNCS(gtk_file_selection_new)
1949 dnl Check for functions introduced in 2.14 and later.
1950 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1951 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1952 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1953 gtk_orientable_set_orientation \
1954 gtk_window_set_has_resize_grip)
1957 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1958 dnl other platforms.
1961 if test "${with_dbus}" = "yes"; then
1962 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1963 if test "$HAVE_DBUS" = yes; then
1964 LIBS="$LIBS $DBUS_LIBS"
1965 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1966 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
1967 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
1969 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
1970 dbus_type_is_valid \
1971 dbus_validate_bus_name \
1972 dbus_validate_path \
1973 dbus_validate_interface \
1974 dbus_validate_member)
1980 dnl GSettings has been tested under GNU/Linux only.
1982 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
1983 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
1984 if test "$HAVE_GSETTINGS" = "yes"; then
1985 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
1986 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
1987 SETTINGS_LIBS="$GSETTINGS_LIBS"
1991 dnl GConf has been tested under GNU/Linux only.
1992 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1994 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1995 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1996 if test "$HAVE_GCONF" = yes; then
1997 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1998 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1999 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2000 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2004 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2005 SAVE_CFLAGS="$CFLAGS"
2007 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2008 LIBS="$SETTINGS_LIBS $LIBS"
2009 AC_CHECK_FUNCS([g_type_init])
2010 CFLAGS="$SAVE_CFLAGS"
2013 AC_SUBST(SETTINGS_CFLAGS)
2014 AC_SUBST(SETTINGS_LIBS)
2017 dnl SELinux is available for GNU/Linux only.
2020 if test "${with_selinux}" = "yes"; then
2021 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2022 if test "$HAVE_LIBSELINUX" = yes; then
2023 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2024 LIBSELINUX_LIBS=-lselinux
2027 AC_SUBST(LIBSELINUX_LIBS)
2030 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2031 if test "${with_gnutls}" = "yes" ; then
2032 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2033 if test "${HAVE_GNUTLS}" = "yes"; then
2034 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2037 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2038 LIBS="$LIBGNUTLS_LIBS $LIBS"
2039 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2041 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2042 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2046 AC_SUBST(LIBGNUTLS_LIBS)
2047 AC_SUBST(LIBGNUTLS_CFLAGS)
2049 dnl Do not put whitespace before the #include statements below.
2050 dnl Older compilers (eg sunos4 cc) choke on it.
2053 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2054 if test "$with_xaw3d" != no; then
2055 AC_MSG_CHECKING(for xaw3d)
2056 AC_CACHE_VAL(emacs_cv_xaw3d,
2057 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2058 #include <X11/Intrinsic.h>
2059 #include <X11/Xaw3d/Simple.h>]],
2061 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2062 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2063 emacs_cv_xaw3d=no)])
2067 if test $emacs_cv_xaw3d = yes; then
2068 AC_MSG_RESULT([yes; using Lucid toolkit])
2072 AC_DEFINE(HAVE_XAW3D, 1,
2073 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2076 AC_MSG_CHECKING(for libXaw)
2077 AC_CACHE_VAL(emacs_cv_xaw,
2078 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2079 #include <X11/Intrinsic.h>
2080 #include <X11/Xaw/Simple.h>]],
2084 if test $emacs_cv_xaw = yes; then
2085 AC_MSG_RESULT([yes; using Lucid toolkit])
2088 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2089 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2091 AC_MSG_ERROR([No X toolkit could be found.
2092 If you are sure you want Emacs compiled without an X toolkit, pass
2094 to configure. Otherwise, install the development libraries for the toolkit
2095 that you want to use (e.g. Gtk+) and re-run configure.])
2100 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2103 if test "${USE_X_TOOLKIT}" != "none"; then
2104 AC_MSG_CHECKING(X11 toolkit version)
2105 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2106 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2107 [[#if XtSpecificationRelease < 6
2110 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2111 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2112 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2113 AC_MSG_RESULT(6 or newer)
2114 AC_DEFINE(HAVE_X11XTR6, 1,
2115 [Define to 1 if you have the X11R6 or newer version of Xt.])
2116 LIBXTR6="-lSM -lICE"
2118 ## Use libw.a along with X11R6 Xt.
2119 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2122 AC_MSG_RESULT(before 6)
2125 dnl If using toolkit, check whether libXmu.a exists.
2126 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2128 if test x$HAVE_X11XTR6 = xyes; then
2129 LIBS="-lXt -lSM -lICE $LIBS"
2133 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2134 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2138 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2139 dnl Why not just test for libxmu in the normal way?
2142 ## These systems don't supply Xmu.
2144 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2149 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2150 if test "${HAVE_X11}" = "yes"; then
2151 if test "${USE_X_TOOLKIT}" != "none"; then
2152 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2157 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2158 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2159 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2160 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2163 Motif version prior to 2.1.
2165 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2166 if test $emacs_cv_motif_version_2_1 = yes; then
2167 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2169 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2170 # We put this in CFLAGS temporarily to precede other -I options
2171 # that might be in CFLAGS temporarily.
2172 # We put this in CPPFLAGS where it precedes the other -I options.
2173 OLD_CPPFLAGS=$CPPFLAGS
2175 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2176 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2177 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2179 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2180 if test $emacs_cv_lesstif = yes; then
2181 # Make sure this -I option remains in CPPFLAGS after it is set
2182 # back to REAL_CPPFLAGS.
2183 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2184 # have those other -I options anyway. Ultimately, having this
2185 # directory ultimately in CPPFLAGS will be enough.
2186 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2187 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2190 CPPFLAGS=$OLD_CPPFLAGS
2193 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2194 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2197 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2198 dnl using Motif or Xaw3d is available, and unless
2199 dnl --with-toolkit-scroll-bars=no was specified.
2201 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2202 [Define to 1 if we should use toolkit scroll bars.])dnl
2203 USE_TOOLKIT_SCROLL_BARS=no
2204 if test "${with_toolkit_scroll_bars}" != "no"; then
2205 if test "${USE_X_TOOLKIT}" != "none"; then
2206 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2207 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2209 USE_TOOLKIT_SCROLL_BARS=yes
2210 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2211 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2212 USE_TOOLKIT_SCROLL_BARS=yes
2214 elif test "${HAVE_GTK}" = "yes"; then
2215 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2216 USE_TOOLKIT_SCROLL_BARS=yes
2217 elif test "${HAVE_NS}" = "yes"; then
2218 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2219 USE_TOOLKIT_SCROLL_BARS=yes
2223 dnl See if XIM is available.
2224 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2225 #include <X11/Xlib.h>
2226 #include <X11/Xresource.h>]],
2227 [[XIMProc callback;]])],
2229 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2232 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2234 if test "${with_xim}" != "no"; then
2235 AC_DEFINE(USE_XIM, 1,
2236 [Define to 1 if we should use XIM, if it is available.])
2240 if test "${HAVE_XIM}" != "no"; then
2242 if test "$GCC" = yes; then
2243 CFLAGS="$CFLAGS --pedantic-errors"
2245 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2246 #include <X11/Xlib.h>
2247 #include <X11/Xresource.h>]],
2253 XPointer *client_data;
2255 /* If we're not using GCC, it's probably not XFree86, and this is
2256 probably right, but we can't use something like --pedantic-errors. */
2257 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2258 char*, XIMProc, XPointer*);
2260 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2262 [emacs_cv_arg6_star=yes])
2263 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2264 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2265 either XPointer or XPointer*.])dnl
2266 if test "$emacs_cv_arg6_star" = yes; then
2267 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2269 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2274 ### Start of font-backend (under any platform) section.
2275 # (nothing here yet -- this is a placeholder)
2276 ### End of font-backend (under any platform) section.
2278 ### Start of font-backend (under X11) section.
2279 if test "${HAVE_X11}" = "yes"; then
2280 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2282 ## Use -lXft if available, unless `--with-xft=no'.
2284 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2287 if test "x${with_xft}" != "xno"; then
2289 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2290 ## Because xftfont.c uses XRenderQueryExtension, we also
2291 ## need to link to -lXrender.
2293 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2294 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2295 OLD_CPPFLAGS="$CPPFLAGS"
2296 OLD_CFLAGS="$CFLAGS"
2298 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2299 CFLAGS="$CFLAGS $XFT_CFLAGS"
2300 XFT_LIBS="-lXrender $XFT_LIBS"
2301 LIBS="$XFT_LIBS $LIBS"
2302 AC_CHECK_HEADER(X11/Xft/Xft.h,
2303 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2305 if test "${HAVE_XFT}" = "yes"; then
2306 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2308 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2310 CPPFLAGS="$OLD_CPPFLAGS"
2311 CFLAGS="$OLD_CFLAGS"
2313 fi # "${HAVE_XFT}" = "yes"
2314 fi # "$HAVE_XFT" != no
2315 fi # "x${with_xft}" != "xno"
2317 ## We used to allow building with FreeType and without Xft.
2318 ## However, the ftx font backend driver is not in good shape.
2319 if test "$HAVE_XFT" != "yes"; then
2320 dnl For the "Does Emacs use" message at the end.
2324 dnl Strict linkers fail with
2325 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2326 dnl if -lfreetype is not specified.
2327 dnl The following is needed to set FREETYPE_LIBS.
2328 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2331 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2335 if test "${HAVE_FREETYPE}" = "yes"; then
2336 AC_DEFINE(HAVE_FREETYPE, 1,
2337 [Define to 1 if using the freetype and fontconfig libraries.])
2338 if test "${with_libotf}" != "no"; then
2339 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2341 if test "$HAVE_LIBOTF" = "yes"; then
2342 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2343 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2344 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2345 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2346 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2347 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2348 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2352 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2353 dnl Does the new font backend require it, or can it work without it?
2357 if test "${HAVE_LIBOTF}" = yes; then
2358 if test "${with_m17n_flt}" != "no"; then
2359 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2360 if test "$HAVE_M17N_FLT" = "yes"; then
2361 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2372 ### End of font-backend (under X11) section.
2374 AC_SUBST(FREETYPE_CFLAGS)
2375 AC_SUBST(FREETYPE_LIBS)
2376 AC_SUBST(FONTCONFIG_CFLAGS)
2377 AC_SUBST(FONTCONFIG_LIBS)
2378 AC_SUBST(LIBOTF_CFLAGS)
2379 AC_SUBST(LIBOTF_LIBS)
2380 AC_SUBST(M17N_FLT_CFLAGS)
2381 AC_SUBST(M17N_FLT_LIBS)
2383 ### Use -lXpm if available, unless `--with-xpm=no'.
2386 if test "${HAVE_X11}" = "yes"; then
2387 if test "${with_xpm}" != "no"; then
2388 AC_CHECK_HEADER(X11/xpm.h,
2389 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2390 if test "${HAVE_XPM}" = "yes"; then
2391 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2392 AC_EGREP_CPP(no_return_alloc_pixels,
2393 [#include "X11/xpm.h"
2394 #ifndef XpmReturnAllocPixels
2395 no_return_alloc_pixels
2397 ], HAVE_XPM=no, HAVE_XPM=yes)
2399 if test "${HAVE_XPM}" = "yes"; then
2407 if test "${HAVE_XPM}" = "yes"; then
2408 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2414 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2417 if test "${HAVE_X11}" = "yes"; then
2418 if test "${with_jpeg}" != "no"; then
2419 dnl Checking for jpeglib.h can lose because of a redefinition of
2421 AC_CHECK_HEADER(jerror.h,
2422 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2425 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2426 if test "${HAVE_JPEG}" = "yes"; then
2427 AC_DEFINE(HAVE_JPEG)
2428 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2429 [#include <jpeglib.h>
2430 version=JPEG_LIB_VERSION
2432 [AC_DEFINE(HAVE_JPEG)],
2433 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2436 if test "${HAVE_JPEG}" = "yes"; then
2442 ### Use -lpng if available, unless `--with-png=no'.
2445 if test "${HAVE_X11}" = "yes"; then
2446 if test "${with_png}" != "no"; then
2447 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2448 # in /usr/include/libpng.
2449 AC_CHECK_HEADERS(png.h libpng/png.h)
2450 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2451 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2455 if test "${HAVE_PNG}" = "yes"; then
2456 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2457 LIBPNG="-lpng -lz -lm"
2462 ### Use -ltiff if available, unless `--with-tiff=no'.
2465 if test "${HAVE_X11}" = "yes"; then
2466 if test "${with_tiff}" != "no"; then
2467 AC_CHECK_HEADER(tiffio.h,
2469 # At least one tiff package requires the jpeg library.
2470 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2471 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2474 if test "${HAVE_TIFF}" = "yes"; then
2475 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2476 dnl FIXME -lz -lm, as per libpng?
2482 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2485 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2486 AC_CHECK_HEADER(gif_lib.h,
2487 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2488 # Earlier versions can crash Emacs.
2489 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2491 if test "$HAVE_GIF" = yes; then
2493 elif test "$HAVE_GIF" = maybe; then
2494 # If gif_lib.h but no libgif, try libungif.
2495 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2496 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2499 if test "${HAVE_GIF}" = "yes"; then
2500 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2505 dnl Check for required libraries.
2506 if test "${HAVE_X11}" = "yes"; then
2509 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2510 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2511 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2512 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2513 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2514 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2515 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2516 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2517 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2518 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2520 if test "X${MISSING}" != X; then
2521 AC_MSG_ERROR([The following required libraries were not found:
2523 Maybe some development libraries/packages are missing?
2524 If you don't want to link with them give
2526 as options to configure])
2530 ### Use -lgpm if available, unless `--with-gpm=no'.
2533 if test "${with_gpm}" != "no"; then
2534 AC_CHECK_HEADER(gpm.h,
2535 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2537 if test "${HAVE_GPM}" = "yes"; then
2538 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2544 dnl Check for malloc/malloc.h on darwin
2545 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2548 ### Use NeXTstep API to implement GUI.
2549 if test "${HAVE_NS}" = "yes"; then
2550 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2551 if test "${NS_IMPL_COCOA}" = "yes"; then
2552 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2554 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2555 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2556 # See also .m.o rule in Makefile.in */
2557 # FIXME: are all these flags really needed? Document here why. */
2558 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2559 ## Extra CFLAGS applied to src/*.m files.
2560 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2562 # We also have mouse menus.
2568 ### Use session management (-lSM -lICE) if available
2571 if test "${HAVE_X11}" = "yes"; then
2572 AC_CHECK_HEADER(X11/SM/SMlib.h,
2573 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2575 if test "${HAVE_X_SM}" = "yes"; then
2576 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2580 *) LIBS="$LIBXSM $LIBS" ;;
2586 ### Use libxml (-lxml2) if available
2588 if test "${with_xml2}" != "no"; then
2589 ### I'm not sure what the version number should be, so I just guessed.
2590 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2591 if test "${HAVE_LIBXML2}" = "yes"; then
2592 LIBS="$LIBXML2_LIBS $LIBS"
2593 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2594 if test "${HAVE_LIBXML2}" = "yes"; then
2595 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2602 AC_SUBST(LIBXML2_LIBS)
2603 AC_SUBST(LIBXML2_CFLAGS)
2605 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2606 AC_CACHE_CHECK(whether netdb declares h_errno,
2607 emacs_cv_netdb_declares_h_errno,
2608 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2609 [[return h_errno;]])],
2610 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2611 if test $emacs_cv_netdb_declares_h_errno = yes; then
2612 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2615 # fmod, logb, and frexp are found in -lm on most systems.
2616 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2617 AC_CHECK_LIB(m, sqrt)
2619 # Check for mail-locking functions in a "mail" library. Probably this should
2620 # have the same check as for liblockfile below.
2621 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2622 if test $have_mail = yes; then
2624 LIBS="$LIBS_MAIL $LIBS"
2625 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2629 dnl Debian, at least:
2630 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2631 if test $have_lockfile = yes; then
2632 LIBS_MAIL=-llockfile
2633 LIBS="$LIBS_MAIL $LIBS"
2634 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2636 # If we have the shared liblockfile, assume we must use it for mail
2637 # locking (e.g. Debian). If we couldn't link against liblockfile
2638 # (no liblockfile.a installed), ensure that we don't need to.
2639 dnl This works for files generally, not just executables.
2640 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2641 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2642 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2643 if test $ac_cv_prog_liblockfile = yes; then
2644 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2645 This probably means that movemail could lose mail.
2646 There may be a `development' package to install containing liblockfile.])
2649 AC_CHECK_FUNCS(touchlock)
2650 AC_CHECK_HEADERS_ONCE(maillock.h)
2653 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2654 ## interlock access to the mail spool. The alternative is a lock file named
2655 ## /usr/spool/mail/$USER.lock.
2658 aix4-2) mail_lock="lockf" ;;
2660 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2662 ## On GNU/Linux systems, both methods are used by various mail programs.
2663 ## I assume most people are using newer mailers that have heard of flock.
2664 ## Change this if you need to.
2665 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2666 ## configure gets the right answers, and that means *NOT* using flock.
2667 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2668 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2669 ## Debian maintainer hasn't provided a clean fix for Emacs.
2670 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2671 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2672 ## correct logic. -- fx
2673 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2674 ## liblockfile is a Free Software replacement for libmail, used on
2675 ## Debian systems and elsewhere. -rfr.
2678 if test $have_mail = yes || test $have_lockfile = yes; then
2679 test $ac_cv_header_maillock_h = yes && mail_lock=no
2685 case "$mail_lock" in
2686 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2688 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2690 *) BLESSMAIL_TARGET="need-blessmail" ;;
2692 AC_SUBST(BLESSMAIL_TARGET)
2695 AC_CHECK_FUNCS(gethostname \
2696 rename closedir mkdir rmdir getrusage get_current_dir_name \
2697 random lrand48 logb frexp fmod rint cbrt setsid \
2698 strerror fpathconf select euidaccess getpagesize setlocale \
2699 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2700 __fpending strsignal setitimer \
2701 sendto recvfrom getsockname getpeername \
2702 gai_strerror mkstemp getline getdelim fsync sync \
2703 difftime posix_memalign \
2704 getpwent endpwent getgrent endgrent \
2705 cfmakeraw cfsetspeed copysign __executable_start)
2707 dnl Cannot use AC_CHECK_FUNCS
2708 AC_CACHE_CHECK([for __builtin_unwind_init],
2709 emacs_cv_func___builtin_unwind_init,
2710 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2711 emacs_cv_func___builtin_unwind_init=yes,
2712 emacs_cv_func___builtin_unwind_init=no)])
2713 if test $emacs_cv_func___builtin_unwind_init = yes; then
2714 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2715 [Define to 1 if you have the `__builtin_unwind_init' function.])
2718 AC_CHECK_HEADERS_ONCE(sys/un.h)
2725 AC_CHECK_FUNCS(grantpt)
2727 # PTY-related GNU extensions.
2728 AC_CHECK_FUNCS(getpt)
2730 # Check this now, so that we will NOT find the above functions in ncurses.
2731 # That is because we have not set up to link ncurses in lib-src.
2732 # It's better to believe a function is not available
2733 # than to expect to find it in ncurses.
2734 # Also we need tputs and friends to be able to build at all.
2735 AC_MSG_CHECKING([for library containing tputs])
2736 # Run a test program that contains a call to tputs, a call that is
2737 # never executed. This tests whether a pre-'main' dynamic linker
2738 # works with the library. It's too much trouble to actually call
2739 # tputs in the test program, due to portability hassles. When
2740 # cross-compiling, assume the test program will run if it links.
2741 AC_DEFUN([tputs_link_source], [
2743 [[extern void tputs (const char *, int, int (*)(int));
2744 int main (int argc, char **argv)
2747 tputs (argv[0], 0, 0);
2751 # Maybe curses should be tried earlier?
2752 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2753 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2755 if test -z "$tputs_library"; then
2759 LIBS_TERMCAP=-l$tputs_library
2761 LIBS="$LIBS_TERMCAP $LIBS"
2763 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2764 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2766 if test "X$msg" != Xno; then
2770 AC_MSG_RESULT([$msg])
2771 if test "X$msg" = Xno; then
2772 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2773 The following libraries were tried (in order):
2774 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2775 Please try installing whichever of these libraries is most appropriate
2776 for your system, together with its header files.
2777 For example, a libncurses-dev(el) or similar package.])
2780 ## Use termcap instead of terminfo?
2781 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2783 ## FIXME? In the cases below where we unconditionally set
2784 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2785 ## if that was found above to have tputs.
2786 ## Should we use the gnu* logic everywhere?
2788 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2789 ## The ncurses library has been moved out of the System framework in
2790 ## Mac OS X 10.2. So if configure detects it, set the command-line
2791 ## option to use it.
2792 darwin) LIBS_TERMCAP="-lncurses" ;;
2794 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2797 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2798 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2799 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2800 [[#if __FreeBSD_version < 400000
2803 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2805 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2807 if test $emacs_cv_freebsd_terminfo = yes; then
2808 LIBS_TERMCAP="-lncurses"
2811 LIBS_TERMCAP="-ltermcap"
2816 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2818 LIBS_TERMCAP="-ltermcap"
2822 openbsd) LIBS_TERMCAP="-lncurses" ;;
2824 ## hpux: Make sure we get select from libc rather than from libcurses
2825 ## because libcurses on HPUX 10.10 has a broken version of select.
2826 ## We used to use -lc -lcurses, but this may be cleaner.
2827 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2828 # set that way, now it uses the default). Isn't this a contradiction?
2829 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2833 TERMCAP_OBJ=tparam.o
2834 if test $TERMINFO = yes; then
2835 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2836 TERMCAP_OBJ=terminfo.o
2838 AC_SUBST(LIBS_TERMCAP)
2839 AC_SUBST(TERMCAP_OBJ)
2842 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2844 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2845 #include <arpa/nameser.h>
2846 #include <resolv.h>]],
2847 [[return res_init();]])],
2848 have_res_init=yes, have_res_init=no)
2849 if test "$have_res_init" = no; then
2851 LIBS="$LIBS -lresolv"
2852 AC_MSG_CHECKING(for res_init with -lresolv)
2853 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2854 #include <arpa/nameser.h>
2855 #include <resolv.h>]],
2856 [[return res_init();]])],
2857 have_res_init=yes, have_res_init=no)
2858 AC_MSG_RESULT($have_res_init)
2859 if test "$have_res_init" = yes ; then
2865 if test "$have_res_init" = yes; then
2866 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2869 # Do we need the Hesiod library to provide the support routines?
2871 if test "$with_hesiod" != no ; then
2872 # Don't set $LIBS here -- see comments above. FIXME which comments?
2873 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2874 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2875 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2876 if test "$resolv" = yes ; then
2881 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2882 hesiod=yes, :, $RESOLVLIB)])
2884 if test x"$hesiod" = xyes; then
2885 AC_DEFINE(HAVE_LIBHESIOD, 1,
2886 [Define to 1 if you have the hesiod library (-lhesiod).])
2892 # Do we need libresolv (due to res_init or Hesiod)?
2893 if test "$resolv" = yes ; then
2894 AC_DEFINE(HAVE_LIBRESOLV, 1,
2895 [Define to 1 if you have the resolv library (-lresolv).])
2902 # These tell us which Kerberos-related libraries to use.
2909 if test "${with_kerberos}" != no; then
2910 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2911 if test $have_com_err = yes; then
2912 COM_ERRLIB=-lcom_err
2913 LIBS="$COM_ERRLIB $LIBS"
2914 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2916 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2917 if test $have_crypto = yes; then
2919 LIBS="$CRYPTOLIB $LIBS"
2920 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2922 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2923 if test $have_k5crypto = yes; then
2924 CRYPTOLIB=-lk5crypto
2925 LIBS="$CRYPTOLIB $LIBS"
2926 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2928 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2929 if test $have_krb5=yes; then
2931 LIBS="$KRB5LIB $LIBS"
2932 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2934 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2935 if test "${with_kerberos5}" = no; then
2936 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2937 if test $have_des425 = yes; then
2939 LIBS="$DESLIB $LIBS"
2940 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2942 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2943 if test $have_des = yes; then
2945 LIBS="$DESLIB $LIBS"
2946 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2949 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2950 if test $have_krb4 = yes; then
2952 LIBS="$KRB4LIB $LIBS"
2953 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2955 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2956 if test $have_krb = yes; then
2958 LIBS="$KRB4LIB $LIBS"
2959 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2964 if test "${with_kerberos5}" != no; then
2965 AC_CHECK_HEADERS(krb5.h,
2966 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2967 [#include <krb5.h>])])
2969 AC_CHECK_HEADERS(des.h,,
2970 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2971 [AC_CHECK_HEADERS(kerberos/des.h)])])
2972 AC_CHECK_HEADERS(krb.h,,
2973 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2974 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2976 AC_CHECK_HEADERS(com_err.h)
2979 AC_SUBST(COM_ERRLIB)
2985 AC_CHECK_FUNCS_ONCE(tzset)
2986 AC_MSG_CHECKING(whether localtime caches TZ)
2987 AC_CACHE_VAL(emacs_cv_localtime_cache,
2988 [if test x$ac_cv_func_tzset = xyes; then
2989 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2990 char TZ_GMT0[] = "TZ=GMT0";
2991 char TZ_PST8[] = "TZ=PST8";
2994 time_t now = time ((time_t *) 0);
2995 int hour_GMT0, hour_unset;
2996 if (putenv (TZ_GMT0) != 0)
2998 hour_GMT0 = localtime (&now)->tm_hour;
3000 hour_unset = localtime (&now)->tm_hour;
3001 if (putenv (TZ_PST8) != 0)
3003 if (localtime (&now)->tm_hour == hour_GMT0)
3006 if (localtime (&now)->tm_hour != hour_unset)
3009 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3010 [# If we have tzset, assume the worst when cross-compiling.
3011 emacs_cv_localtime_cache=yes])
3013 # If we lack tzset, report that localtime does not cache TZ,
3014 # since we can't invalidate the cache if we don't have tzset.
3015 emacs_cv_localtime_cache=no
3017 AC_MSG_RESULT($emacs_cv_localtime_cache)
3018 if test $emacs_cv_localtime_cache = yes; then
3019 AC_DEFINE(LOCALTIME_CACHE, 1,
3020 [Define to 1 if localtime caches TZ.])
3023 if test "x$HAVE_TIMEVAL" = xyes; then
3024 AC_CHECK_FUNCS(gettimeofday)
3025 if test $ac_cv_func_gettimeofday = yes; then
3026 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3027 emacs_cv_gettimeofday_two_arguments,
3028 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3029 #ifdef TIME_WITH_SYS_TIME
3030 #include <sys/time.h>
3033 #ifdef HAVE_SYS_TIME_H
3034 #include <sys/time.h>
3039 [[struct timeval time;
3040 gettimeofday (&time, 0);]])],
3041 emacs_cv_gettimeofday_two_arguments=yes,
3042 emacs_cv_gettimeofday_two_arguments=no)])
3043 if test $emacs_cv_gettimeofday_two_arguments = no; then
3044 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3045 [Define to 1 if gettimeofday accepts only one argument.])
3051 AC_CHECK_FUNC(socket, , ok_so_far=no)
3052 if test $ok_so_far = yes; then
3053 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3055 if test $ok_so_far = yes; then
3056 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3058 if test $ok_so_far = yes; then
3059 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3060 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3061 [Define to 1 if you have inet sockets.])
3064 if test -f /usr/lpp/X11/bin/smt.exp; then
3065 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3066 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3069 AC_MSG_CHECKING(whether system supports dynamic ptys)
3070 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3072 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3079 AC_CHECK_FUNCS(snprintf)
3081 dnl Adapted from Haible's version.
3082 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3083 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3084 [[char* cs = nl_langinfo(CODESET);]])],
3085 emacs_cv_langinfo_codeset=yes,
3086 emacs_cv_langinfo_codeset=no)
3088 if test $emacs_cv_langinfo_codeset = yes; then
3089 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3090 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3095 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3096 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3097 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3098 if test "$emacs_cv_c_restrict_arr" = yes; then
3099 AC_DEFINE(__restrict_arr, __restrict,
3100 [Define to compiler's equivalent of C99 restrict keyword in array
3101 declarations. Define as empty for no equivalent.])
3104 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3105 dnl how the tty code is related to POSIX and/or other versions of termios.
3106 dnl The following looks like a useful start.
3108 dnl AC_SYS_POSIX_TERMIOS
3109 dnl if test $ac_cv_sys_posix_termios = yes; then
3110 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3111 dnl and macros for terminal control.])
3112 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3115 # Set up the CFLAGS for real compilation, so we can substitute it.
3116 CFLAGS="$REAL_CFLAGS"
3117 CPPFLAGS="$REAL_CPPFLAGS"
3119 ## Hack to detect a buggy GCC version.
3120 if test "x$GCC" = xyes \
3121 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3122 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3123 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3124 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3127 version=$PACKAGE_VERSION
3129 ### Specify what sort of things we'll be editing into Makefile and config.h.
3130 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3132 AC_SUBST(configuration)
3137 AC_SUBST(exec_prefix)
3140 AC_SUBST(sharedstatedir)
3141 AC_SUBST(libexecdir)
3146 AC_SUBST(locallisppath)
3148 AC_SUBST(x_default_search_path)
3150 AC_SUBST(archlibdir)
3155 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3156 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3157 ## end of LIBX_BASE, but nothing ever set it.
3158 AC_SUBST(LD_SWITCH_X_SITE)
3159 AC_SUBST(C_SWITCH_X_SITE)
3160 AC_SUBST(GNUSTEP_CFLAGS)
3162 ## Used in lwlib/Makefile.in.
3163 AC_SUBST(X_TOOLKIT_TYPE)
3164 S_FILE="\$(srcdir)/${opsysfile}"
3167 AC_SUBST(ns_appbindir)
3168 AC_SUBST(ns_appresdir)
3170 AC_SUBST(GNU_OBJC_CFLAGS)
3171 AC_SUBST(OTHER_FILES)
3173 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3174 [Define to the canonical Emacs configuration name.])
3175 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3176 [Define to the options passed to configure.])
3177 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3178 [Define to the used os dependent file.])
3183 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3184 AC_DEFINE(HAVE_X_WINDOWS, 1,
3185 [Define to 1 if you want to use the X window system.])
3187 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3189 if test "$HAVE_XFT" = "yes"; then
3190 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3191 elif test "$HAVE_FREETYPE" = "yes"; then
3192 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3202 if test "${USE_X_TOOLKIT}" != "none" ; then
3204 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3205 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3206 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3207 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3208 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3212 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3213 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3217 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3218 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3219 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3223 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3224 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3227 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3230 AC_SUBST(WIDGET_OBJ)
3233 case "$USE_X_TOOLKIT" in
3234 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3235 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3236 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3238 AC_SUBST(TOOLKIT_LIBW)
3240 if test "$USE_X_TOOLKIT" = "none"; then
3241 LIBXT_OTHER="\$(LIBXSM)"
3242 OLDXMENU_TARGET="really-oldXMenu"
3244 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3245 OLDXMENU_TARGET="really-lwlib"
3247 AC_SUBST(LIBXT_OTHER)
3249 ## The X Menu stuff is present in the X10 distribution, but missing
3250 ## from X11. If we have X10, just use the installed library;
3251 ## otherwise, use our own copy.
3252 if test "${HAVE_X11}" = "yes" ; then
3253 AC_DEFINE(HAVE_X11, 1,
3254 [Define to 1 if you want to use version 11 of X windows.
3255 Otherwise, Emacs expects to use version 10.])
3257 if test "$USE_X_TOOLKIT" = "none"; then
3258 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3260 OLDXMENU="\${lwlibdir}/liblw.a"
3262 LIBXMENU="\$(OLDXMENU)"
3263 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3264 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3266 ## For a syntactically valid Makefile; not actually used for anything.
3267 ## See comments in src/Makefile.in.
3269 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3270 if test "${HAVE_X_WINDOWS}" = "yes"; then
3279 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3286 AC_SUBST(OLDXMENU_TARGET)
3289 AC_SUBST(LIBX_OTHER)
3290 AC_SUBST(OLDXMENU_DEPS)
3292 if test "${HAVE_MENUS}" = "yes" ; then
3293 AC_DEFINE(HAVE_MENUS, 1,
3294 [Define to 1 if you have mouse menus.
3295 (This is automatic if you use X, but the option to specify it remains.)
3296 It is also defined with other window systems that support xmenu.c.])
3299 if test "${GNU_MALLOC}" = "yes" ; then
3300 AC_DEFINE(GNU_MALLOC, 1,
3301 [Define to 1 if you want to use the GNU memory allocator.])
3305 if test "${REL_ALLOC}" = "yes" ; then
3306 AC_DEFINE(REL_ALLOC, 1,
3307 [Define REL_ALLOC if you want to use the relocating allocator for
3310 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3312 AC_SUBST(RALLOC_OBJ)
3314 if test "$opsys" = "cygwin"; then
3315 CYGWIN_OBJ="sheap.o"
3316 ## Cygwin differs because of its unexec().
3318 POST_ALLOC_OBJ=lastfile.o
3321 PRE_ALLOC_OBJ=lastfile.o
3324 AC_SUBST(CYGWIN_OBJ)
3325 AC_SUBST(PRE_ALLOC_OBJ)
3326 AC_SUBST(POST_ALLOC_OBJ)
3328 # Configure gnulib here, now that we know LIBS.
3329 gl_ASSERT_NO_GNULIB_POSIXCHECK
3330 gl_ASSERT_NO_GNULIB_TESTS
3334 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3337 ## The -headerpad option tells ld (see man page) to leave room at the
3338 ## end of the header for adding load commands. Needed for dumping.
3339 ## 0x690 is the total size of 30 segment load commands (at 56
3340 ## each); under Cocoa 31 commands are required.
3341 if test "$HAVE_NS" = "yes"; then
3342 libs_nsgui="-framework AppKit"
3348 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3350 ## This is here because src/Makefile.in did some extra fiddling around
3351 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3352 ## #ifndef LD_SWITCH_SYSTEM
3353 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3354 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3355 ## not using gcc, darwin.
3356 ## Because this was done in src/Makefile.in, the resulting part of
3357 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3358 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3359 ## rather than LD_SWITCH_SYSTEM.
3360 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3361 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3364 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
3365 ## find X at run-time.
3366 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
3367 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
3368 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3369 ## had different values in configure (in ac_link) and src/Makefile.in.
3370 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3371 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
3373 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3376 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3377 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3380 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3386 ## gnu: GNU needs its own crt0.
3387 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3389 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3390 ## library search parth, i.e. it won't search /usr/lib for libc and
3391 ## friends. Using -nostartfiles instead avoids this problem, and
3392 ## will also work on earlier NetBSD releases.
3393 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3395 ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3396 ## MkLinux/LinuxPPC needs this.
3397 ## s390x-* only supports opsys = gnu-linux so it can be added here.
3399 case "$canonical" in
3400 powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;;
3406 if test "x$ORDINARY_LINK" = "xyes"; then
3409 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3411 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3412 ## freebsd, gnu-* not on powerpc*|s390x*.
3413 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3415 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3416 ## places that are difficult to figure out at make time. Fortunately,
3417 ## these same versions allow you to pass arbitrary flags on to the
3418 ## linker, so there is no reason not to use it as a linker.
3420 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3421 ## searching for libraries in its internal directories, so we have to
3422 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3423 LD_FIRSTFLAG="-nostdlib"
3426 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3427 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3429 AC_SUBST(LD_FIRSTFLAG)
3432 ## FIXME? The logic here is not precisely the same as that above.
3433 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3434 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3436 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3439 freebsd|netbsd|openbsd) LIB_GCC= ;;
3442 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3443 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3449 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3450 ## immediately undefine it again and redefine it to empty.
3451 ## Was the C_SWITCH_X_SITE part really necessary?
3452 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3458 ## Ask GCC where to find libgcc.a.
3459 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3465 ## If we're using X11/GNUstep, define some consequences.
3466 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3467 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3468 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3472 AH_TOP([/* GNU Emacs site configuration template file.
3474 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3475 Free Software Foundation, Inc.
3477 This file is part of GNU Emacs.
3479 GNU Emacs is free software: you can redistribute it and/or modify
3480 it under the terms of the GNU General Public License as published by
3481 the Free Software Foundation, either version 3 of the License, or
3482 (at your option) any later version.
3484 GNU Emacs is distributed in the hope that it will be useful,
3485 but WITHOUT ANY WARRANTY; without even the implied warranty of
3486 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3487 GNU General Public License for more details.
3489 You should have received a copy of the GNU General Public License
3490 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3493 /* No code in Emacs #includes config.h twice, but some bits of code
3494 intended to work with other packages as well (like gmalloc.c)
3495 think they can include it as many times as they like. */
3496 #ifndef EMACS_CONFIG_H
3497 #define EMACS_CONFIG_H
3501 /* On AIX 3 this must be included before any other include file. */
3504 # error "alloca not available on this machine"
3507 /* Define AMPERSAND_FULL_NAME if you use the convention
3508 that & in the full name stands for the login id. */
3509 /* Turned on June 1996 supposing nobody will mind it. */
3510 #define AMPERSAND_FULL_NAME
3512 /* `subprocesses' should be defined if you want to
3513 have code for asynchronous subprocesses
3514 (as used in M-x compile and M-x shell).
3515 Only MSDOS does not support this (it overrides
3516 this in its config_opsysfile below). */
3518 #define subprocesses
3520 /* Include the os dependent file. */
3521 #include config_opsysfile
3523 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3524 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3525 (There is probably a better place to do this, but right now the
3526 Cocoa side does this in s/darwin.h and we cannot parallel this
3527 exactly since GNUstep is multi-OS. */
3528 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3529 # define SYSTEM_PURESIZE_EXTRA 30000
3532 #ifdef emacs /* Don't do this for lib-src. */
3533 /* Tell regex.c to use a type compatible with Emacs. */
3534 #define RE_TRANSLATE_TYPE Lisp_Object
3535 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3537 /* If make_number is a macro, use it. */
3538 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3540 /* If make_number is a function, avoid it. */
3541 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3548 #if defined __GNUC__ && (__GNUC__ > 2 \
3549 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3550 #define NO_RETURN __attribute__ ((__noreturn__))
3552 #define NO_RETURN /* nothing */
3555 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3556 #define NO_INLINE __attribute__((noinline))
3561 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3562 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3564 #define EXTERNALLY_VISIBLE
3567 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3568 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3570 # define ATTRIBUTE_FORMAT(spec) /* empty */
3573 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3574 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3575 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3577 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3578 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3581 /* Some versions of GNU/Linux define noinline in their headers. */
3586 /* These won't be used automatically yet. We also need to know, at least,
3587 that the stack is continuous. */
3589 # ifndef GC_SETJMP_WORKS
3590 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3591 # define GC_SETJMP_WORKS 1
3595 #endif /* EMACS_CONFIG_H */
3604 #### Report on what we decided to do.
3605 #### Report GTK as a toolkit, even if it doesn't use Xt.
3606 #### It makes printing result more understandable as using GTK sets
3607 #### toolkit_scroll_bars to yes by default.
3608 if test "${HAVE_GTK}" = "yes"; then
3613 Configured for \`${canonical}'.
3615 Where should the build process find the source code? ${srcdir}
3616 What operating system file should Emacs use?
3618 What compiler should emacs be built with? ${CC} ${CFLAGS}
3619 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3620 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3621 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3622 What window system should Emacs use? ${window_system}
3623 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3625 if test -n "${x_includes}"; then
3626 echo " Where do we find X Windows header files? ${x_includes}"
3628 echo " Where do we find X Windows header files? Standard dirs"
3630 if test -n "${x_libraries}"; then
3631 echo " Where do we find X Windows libraries? ${x_libraries}"
3633 echo " Where do we find X Windows libraries? Standard dirs"
3636 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3637 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3638 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3639 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3640 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3641 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3642 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3643 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3645 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3646 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3647 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3648 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3649 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3650 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3651 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3653 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3654 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3655 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3656 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3658 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3661 if test -n "${EMACSDATA}"; then
3662 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3664 if test -n "${EMACSDOC}"; then
3665 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3668 if test $USE_XASSERTS = yes; then
3669 echo " Compiling with asserts turned on."
3670 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3675 if test "$HAVE_NS" = "yes"; then
3677 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3678 The installed application will go to nextstep/Emacs.app and can be
3679 run or moved from there."
3680 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3681 echo "The application will be fully self-contained."
3683 echo "The lisp resources for the application will be installed under ${prefix}.
3684 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3685 to run if these resources are not installed."
3690 if test "${opsys}" = "cygwin"; then
3692 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3698 # Remove any trailing slashes in these variables.
3699 [test "${prefix}" != NONE &&
3700 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3701 test "${exec_prefix}" != NONE &&
3702 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3704 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3705 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3706 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3707 dnl (else you get "no `Makefile.am' found for any configure output").
3708 dnl This will work, but you get a config.status that is not quite right
3709 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3710 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3711 dnl it seems better to just live with the duplication.
3712 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"
3714 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3715 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3716 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3719 dnl test/ is not present in release tarfiles.
3720 opt_makefile=test/automated/Makefile
3722 if test -f $srcdir/${opt_makefile}.in; then
3723 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3724 dnl Again, it's best not to use a variable. Though you can add
3725 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3726 AC_CONFIG_FILES([test/automated/Makefile])
3730 dnl admin/ may or may not be present.
3731 opt_makefile=admin/unidata/Makefile
3733 if test -f $srcdir/${opt_makefile}.in; then
3734 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3735 AC_CONFIG_FILES([admin/unidata/Makefile])
3739 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3741 AC_SUBST(SUBDIR_MAKEFILES_IN)
3743 dnl Make the necessary directories, if they don't exist.
3744 AC_CONFIG_COMMANDS([mkdirs], [
3745 for dir in etc lisp ; do
3746 test -d ${dir} || mkdir ${dir}
3750 dnl You might wonder (I did) why epaths.h is generated by running make,
3751 dnl rather than just letting configure generate it from epaths.in.
3752 dnl One reason is that the various paths are not fully expanded (see above);
3753 dnl eg gamedir=${prefix}/var/games/emacs.
3754 dnl Secondly, the GNU Coding standards require that one should be able
3755 dnl to run `make prefix=/some/where/else' and override the values set
3756 dnl by configure. This also explains the `move-if-change' test and
3757 dnl the use of force in the `epaths-force' rule in Makefile.in.
3758 AC_CONFIG_COMMANDS([epaths], [
3759 echo creating src/epaths.h
3760 ${MAKE-make} epaths-force
3761 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
3763 AC_CONFIG_COMMANDS([gdbinit], [
3764 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3765 echo creating src/.gdbinit
3766 echo source $srcdir/src/.gdbinit > src/.gdbinit
3772 dnl configure.in ends here