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 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
41 '${datadir}/emacs/site-lisp'
42 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
43 etcdir='${datadir}/emacs/${version}/etc'
44 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
45 docdir='${datadir}/emacs/${version}/etc'
46 gamedir='${localstatedir}/games/emacs'
48 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
49 dnl Create a new --with option that defaults to being disabled.
50 dnl NAME is the base name of the option. The shell variable with_NAME
51 dnl will be set to either the user's value (if the option is
52 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
53 dnl option is not specified). Note that the shell variable name is
54 dnl constructed as autoconf does, by replacing non-alphanumeric
55 dnl characters with "_".
56 dnl HELP-STRING is the help text for the option.
57 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
58 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
59 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
62 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
63 dnl Create a new --with option that defaults to being enabled. NAME
64 dnl is the base name of the option. The shell variable with_NAME
65 dnl will be set either to 'no' (for a plain --without-NAME) or to
66 dnl 'yes' (if the option is not specified). Note that the shell
67 dnl variable name is constructed as autoconf does, by replacing
68 dnl non-alphanumeric characters with "_".
69 dnl HELP-STRING is the help text for the option.
70 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
71 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
72 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
75 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
76 if test "$with_pop" = yes; then
77 AC_DEFINE(MAIL_USE_POP)
79 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
81 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
82 if test "$with_kerberos" != no; then
86 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
88 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
89 if test "${with_kerberos5}" != no; then
90 if test "${with_kerberos}" = no; then
94 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
97 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
98 dnl FIXME hesiod support may not be present, so it seems like an error
99 dnl to define, or at least use, this unconditionally.
100 if test "$with_hesiod" != no; then
101 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
104 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
105 if test "$with_mmdf" != no; then
106 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
109 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
110 if test "$with_mail_unlink" != no; then
111 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
114 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
115 [string giving default POP mail host])],
116 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
118 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
120 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
121 if test "$with_sync_input" = yes; then
122 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
125 dnl FIXME currently it is not the last.
126 dnl This should be the last --with option, because --with-x is
127 dnl added later on when we find the path of X, and it's best to
128 dnl keep them together visually.
129 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
130 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
131 [ case "${withval}" in
132 y | ye | yes ) val=gtk ;;
134 l | lu | luc | luci | lucid ) val=lucid ;;
135 a | at | ath | athe | athen | athena ) val=athena ;;
136 m | mo | mot | moti | motif ) val=motif ;;
137 g | gt | gtk ) val=gtk ;;
140 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
141 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
142 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
148 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
149 if test "$with_wide_int" = yes; then
150 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
153 dnl _ON results in a '--without' option in the --help output, so
154 dnl the help text should refer to "don't compile", etc.
155 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
156 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
157 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
158 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
159 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
160 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
161 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
162 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
164 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
165 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
166 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
168 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
169 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
170 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
171 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
173 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
174 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
175 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
176 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
177 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
178 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
180 ## For the times when you want to build Emacs but don't have
181 ## a suitable makeinfo, and can live without the manuals.
182 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
183 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
185 ## Makefile.in needs the cache file name.
188 ## This is an option because I do not know if all info/man support
189 ## compressed files, nor how to test if they do so.
190 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
191 if test $with_compress_info = yes; then
198 AC_ARG_WITH([pkg-config-prog],dnl
199 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
200 [path to pkg-config for finding GTK and librsvg])])
201 if test "X${with_pkg_config_prog}" != X; then
202 if test "${with_pkg_config_prog}" != yes; then
203 PKG_CONFIG="${with_pkg_config_prog}"
208 AC_ARG_WITH([crt-dir],dnl
209 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
210 The default is /usr/lib, or /usr/lib64 on some platforms.])])
211 CRT_DIR="${with_crt_dir}"
213 AC_ARG_WITH(gameuser,dnl
214 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
215 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
216 && gameuser="${with_gameuser}"
217 test "X$gameuser" = X && gameuser=games
219 AC_ARG_WITH([gnustep-conf],dnl
220 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
221 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
222 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
223 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
224 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
226 AC_ARG_ENABLE(ns-self-contained,
227 [AS_HELP_STRING([--disable-ns-self-contained],
228 [disable self contained build under NeXTstep])],
229 EN_NS_SELF_CONTAINED=$enableval,
230 EN_NS_SELF_CONTAINED=yes)
232 AC_ARG_ENABLE(asserts,
233 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
234 USE_XASSERTS=$enableval,
237 AC_ARG_ENABLE(maintainer-mode,
238 [AS_HELP_STRING([--disable-maintainer-mode],
239 [disable make rules and dependencies not useful (and sometimes
240 confusing) to the casual installer])],
241 USE_MAINTAINER_MODE=$enableval,
242 USE_MAINTAINER_MODE=yes)
243 if test $USE_MAINTAINER_MODE = yes; then
250 AC_ARG_ENABLE(locallisppath,
251 [AS_HELP_STRING([--enable-locallisppath=PATH],
252 [directories Emacs should search for lisp files specific
254 if test "${enableval}" = "no"; then
256 elif test "${enableval}" != "yes"; then
257 locallisppath=${enableval}
260 AC_ARG_ENABLE(checking,
261 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
262 [enable expensive run-time checks. With LIST,
263 enable only specific categories of checks.
264 Categories are: all,yes,no.
265 Flags are: stringbytes, stringoverrun, stringfreelist,
266 xmallocoverrun, conslist])],
267 [ac_checking_flags="${enableval}"],[])
268 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
269 for check in $ac_checking_flags
272 # these set all the flags to specific states
273 yes) ac_enable_checking=1 ;;
274 no) ac_enable_checking= ;
275 ac_gc_check_stringbytes= ;
276 ac_gc_check_string_overrun= ;
277 ac_gc_check_string_free_list= ;
278 ac_xmalloc_overrun= ;
279 ac_gc_check_cons_list= ;;
280 all) ac_enable_checking=1 ;
281 ac_gc_check_stringbytes=1 ;
282 ac_gc_check_string_overrun=1 ;
283 ac_gc_check_string_free_list=1 ;
284 ac_xmalloc_overrun=1 ;
285 ac_gc_check_cons_list=1 ;;
286 # these enable particular checks
287 stringbytes) ac_gc_check_stringbytes=1 ;;
288 stringoverrun) ac_gc_check_string_overrun=1 ;;
289 stringfreelist) ac_gc_check_string_free_list=1 ;;
290 xmallocoverrun) ac_xmalloc_overrun=1 ;;
291 conslist) ac_gc_check_cons_list=1 ;;
292 *) AC_MSG_ERROR(unknown check category $check) ;;
297 if test x$ac_enable_checking != x ; then
298 AC_DEFINE(ENABLE_CHECKING, 1,
299 [Enable expensive run-time checking of data types?])
301 if test x$ac_gc_check_stringbytes != x ; then
302 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
303 [Define this temporarily to hunt a bug. If defined, the size of
304 strings is redundantly recorded in sdata structures so that it can
305 be compared to the sizes recorded in Lisp strings.])
307 if test x$ac_gc_check_string_overrun != x ; then
308 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
309 [Define this to check for short string overrun.])
311 if test x$ac_gc_check_string_free_list != x ; then
312 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
313 [Define this to check the string free list.])
315 if test x$ac_xmalloc_overrun != x ; then
316 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
317 [Define this to check for malloc buffer overrun.])
319 if test x$ac_gc_check_cons_list != x ; then
320 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
321 [Define this to check for errors in cons list.])
324 AC_ARG_ENABLE(use-lisp-union-type,
325 [AS_HELP_STRING([--enable-use-lisp-union-type],
326 [use a union for the Lisp_Object data type.
327 This is only useful for development for catching certain types of bugs.])],
328 if test "${enableval}" != "no"; then
329 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
330 [Define this to use a lisp union for the Lisp_Object data type.])
334 AC_ARG_ENABLE(profiling,
335 [AS_HELP_STRING([--enable-profiling],
336 [build emacs with profiling support.
337 This might not work on all platforms])],
338 [ac_enable_profiling="${enableval}"],[])
339 if test x$ac_enable_profiling != x ; then
340 PROFILING_CFLAGS="-DPROFILING=1 -pg"
344 AC_SUBST(PROFILING_CFLAGS)
346 AC_ARG_ENABLE(autodepend,
347 [AS_HELP_STRING([--enable-autodepend],
348 [automatically generate dependencies to .h-files.
349 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
351 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
353 #### Make srcdir absolute, if it isn't already. It's important to
354 #### avoid running the path through pwd unnecessarily, since pwd can
355 #### give you automounter prefixes, which can go away. We do all this
356 #### so Emacs can find its files when run uninstalled.
357 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
362 ## We may be able to use the $PWD environment variable to make this
363 ## absolute. But sometimes PWD is inaccurate.
364 ## Note: we used to use ${PWD} at the end instead of `pwd`,
365 ## but that tested only for a well-formed and valid PWD,
366 ## it did not object when PWD was well-formed and valid but just wrong.
367 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
371 srcdir="`(cd ${srcdir}; pwd)`"
374 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
377 #### Given the configuration name, set machfile and opsysfile to the
378 #### names of the m/*.h and s/*.h files we should use.
380 ### Canonicalize the configuration name.
384 configuration=${host_alias-${build_alias-$host}}
386 dnl This used to use changequote, but, apart from `changequote is evil'
387 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
388 dnl the great gob of text. Thus it's not processed for possible expansion.
389 dnl Just make sure the brackets remain balanced.
391 dnl Since Emacs can't find matching pairs of quotes, boundaries are
392 dnl indicated by comments.
396 ### If you add support for a new configuration, add code to this
397 ### switch statement to recognize your configuration name and select
398 ### the appropriate operating system and machine description files.
400 ### You would hope that you could choose an m/*.h file pretty much
401 ### based on the machine portion of the configuration name, and an s/*.h
402 ### file based on the operating system portion. However, it turns out
403 ### that each m/*.h file is pretty manufacturer-specific - for
404 ### example mips.h is MIPS
405 ### So we basically have to have a special case for each
406 ### configuration name.
408 ### As far as handling version numbers on operating systems is
409 ### concerned, make sure things will fail in a fixable way. If
410 ### /etc/MACHINES doesn't say anything about version numbers, be
411 ### prepared to handle anything reasonably. If version numbers
412 ### matter, be sure /etc/MACHINES says something about it.
414 machine='' opsys='' unported=no
415 case "${canonical}" in
417 ## GNU/Linux and similar ports
421 alpha*) machine=alpha ;;
422 s390x-*) machine=ibms390x ;;
423 powerpc*) machine=macppc ;;
424 sparc*) machine=sparc ;;
425 ia64*) machine=ia64 ;;
426 m68k*) machine=m68k ;;
427 x86_64*) machine=amdx86-64 ;;
434 case "${canonical}" in
435 alpha*) machine=alpha ;;
436 amd64-*|x86_64-*) machine=amdx86-64 ;;
437 ia64-*) machine=ia64 ;;
438 i[3456]86-*) machine=intel386 ;;
439 powerpc-*) machine=macppc ;;
440 sparc-*) machine=sparc ;;
441 sparc64-*) machine=sparc ;;
445 ## FreeBSD kernel + glibc based userland
448 case "${canonical}" in
449 alpha*) machine=alpha ;;
450 amd64-*|x86_64-*) machine=amdx86-64 ;;
451 ia64-*) machine=ia64 ;;
452 i[3456]86-*) machine=intel386 ;;
453 powerpc-*) machine=macppc ;;
454 sparc-*) machine=sparc ;;
455 sparc64-*) machine=sparc ;;
462 case "${canonical}" in
463 alpha*) machine=alpha ;;
464 x86_64-*) machine=amdx86-64 ;;
465 i[3456]86-*) machine=intel386 ;;
466 m68k-*) machine=m68k ;;
467 powerpc-*) machine=macppc ;;
468 sparc*-) machine=sparc ;;
469 vax-*) machine=vax ;;
476 case "${canonical}" in
477 alpha*) machine=alpha ;;
478 x86_64-*) machine=amdx86-64 ;;
479 i386-*) machine=intel386 ;;
480 powerpc-*) machine=macppc ;;
481 sparc*) machine=sparc ;;
482 vax-*) machine=vax ;;
486 ## Apple Darwin / Mac OS X
488 case "${canonical}" in
489 i[3456]86-* ) machine=intel386 ;;
490 powerpc-* ) machine=macppc ;;
491 x86_64-* ) machine=amdx86-64 ;;
495 ## Use fink packages if available.
496 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
497 ## if test -d /sw/include && test -d /sw/lib; then
498 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
499 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
503 ## HP 9000 series 700 and 800, running HP/UX
507 hppa*-hp-hpux1[1-9]* )
509 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
513 rs6000-ibm-aix4.[23]* )
514 machine=ibmrs6000 opsys=aix4-2
516 powerpc-ibm-aix4.[23]* )
517 machine=ibmrs6000 opsys=aix4-2
519 rs6000-ibm-aix[56]* )
520 machine=ibmrs6000 opsys=aix4-2
522 powerpc-ibm-aix[56]* )
523 machine=ibmrs6000 opsys=aix4-2
526 ## Silicon Graphics machines
530 # Without defining _LANGUAGE_C, things get masked out in the headers
531 # so that, for instance, grepping for `free' in stdlib.h fails and
532 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
533 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
538 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
539 | x86_64-*-solaris2* | x86_64-*-sunos5*)
540 case "${canonical}" in
541 i[3456]86-*-* ) machine=intel386 ;;
542 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
543 sparc* ) machine=sparc ;;
546 case "${canonical}" in
547 *-sunos5.6* | *-solaris2.6* )
551 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
553 emacs_check_sunpro_c=yes
555 *-sunos5* | *-solaris* )
557 emacs_check_sunpro_c=yes
560 ## Watch out for a compiler that we know will not work.
561 case "${canonical}" in
562 *-solaris* | *-sunos5* )
563 if [ "x$CC" = x/usr/ucb/cc ]; then
564 ## /usr/ucb/cc doesn't work;
565 ## we should find some other compiler that does work.
573 ## Intel 386 machines where we don't care about the manufacturer.
576 case "${canonical}" in
577 *-cygwin ) opsys=cygwin ;;
578 *-darwin* ) opsys=darwin ;;
579 *-sysv4.2uw* ) opsys=unixware ;;
580 *-sysv5uw* ) opsys=unixware ;;
581 *-sysv5OpenUNIX* ) opsys=unixware ;;
582 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
591 ### If the code above didn't choose an operating system, just choose
592 ### an operating system based on the configuration name. You really
593 ### only want to use this when you have no idea what the right
594 ### operating system is; if you know what operating systems a machine
595 ### runs, it's cleaner to make it explicit in the case statement
597 if test x"${opsys}" = x; then
598 case "${canonical}" in
599 *-gnu* ) opsys=gnu ;;
609 if test $unported = yes; then
610 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
611 Check `etc/MACHINES' for recognized configuration names.])
614 if test -n "$machine"; then
615 machfile="m/${machine}.h"
619 opsysfile="s/${opsys}.h"
622 #### Choose a compiler.
624 dnl Sets GCC=yes if using gcc.
628 if test x$GCC = xyes; then
629 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
631 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
634 # Initialize gnulib right after choosing the compiler.
637 AC_ARG_ENABLE([gcc-warnings],
638 [AS_HELP_STRING([--enable-gcc-warnings],
639 [turn on lots of GCC warnings (for developers)])],
642 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
644 gl_gcc_warnings=$enableval],
648 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
649 # ------------------------------------------------
650 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
651 # Otherwise, run RUN-IF-NOT-FOUND.
652 AC_DEFUN([gl_GCC_VERSION_IFELSE],
656 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
659 # error "your version of gcc is older than $1.$2"
666 # When compiling with GCC, prefer -isystem to -I when including system
667 # include files, to avoid generating useless diagnostics for the files.
668 if test "$gl_gcc_warnings" != yes; then
673 # This, $nw, is the list of warnings we disable.
676 case $with_x_toolkit in
677 lucid | athena | motif)
678 # Old toolkits mishandle 'const'.
679 nw="$nw -Wwrite-strings"
682 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
685 AC_SUBST([WERROR_CFLAGS])
687 nw="$nw -Waggregate-return" # anachronistic
688 nw="$nw -Wlong-long" # C90 is anachronistic
689 nw="$nw -Wc++-compat" # We don't care about C++ compilers
690 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
691 nw="$nw -Wtraditional" # Warns on #elif which we use often
692 nw="$nw -Wcast-qual" # Too many warnings for now
693 nw="$nw -Wconversion" # Too many warnings for now
694 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
695 nw="$nw -Wsign-conversion" # Too many warnings for now
696 nw="$nw -Woverlength-strings" # Not a problem these days
697 nw="$nw -Wtraditional-conversion" # Too many warnings for now
698 nw="$nw -Wpadded" # Our structs are not padded
699 nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc.
700 nw="$nw -Wlogical-op" # any use of fwrite provokes this
701 nw="$nw -Wformat-nonliteral" # Emacs does this a lot
702 nw="$nw -Wvla" # warnings in gettext.h
703 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
704 nw="$nw -Wswitch-enum" # Too many warnings for now
705 nw="$nw -Wswitch-default" # Too many warnings for now
706 nw="$nw -Wfloat-equal" # e.g., ftoastr.c
707 nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p
709 # Emacs doesn't care about shadowing; see
710 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
713 # The following lines should be removable at some point.
714 nw="$nw -Wstack-protector"
715 nw="$nw -Wstrict-overflow"
716 nw="$nw -Wsuggest-attribute=const"
717 nw="$nw -Wsuggest-attribute=pure"
719 gl_MANYWARN_ALL_GCC([ws])
720 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
724 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
725 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
726 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
727 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
728 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
729 gl_WARN_ADD([-Wno-format-nonliteral])
731 # In spite of excluding -Wlogical-op above, it is enabled, as of
732 # gcc 4.5.0 20090517.
733 gl_WARN_ADD([-Wno-logical-op])
735 gl_WARN_ADD([-fdiagnostics-show-option])
736 gl_WARN_ADD([-funit-at-a-time])
738 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
739 AC_DEFINE([_FORTIFY_SOURCE], [2],
740 [enable compile-time and run-time bounds-checking, and some warnings])
741 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
743 # We use a slightly smaller set of warning options for lib/.
744 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
746 nw="$nw -Wunused-macros"
748 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
749 AC_SUBST([GNULIB_WARN_CFLAGS])
754 dnl Some other nice autoconf tests.
755 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
758 dnl if test "x$RANLIB" = x; then
762 ## Although we're running on an amd64 kernel, we're actually compiling for
763 ## the x86 architecture. The user should probably have provided an
764 ## explicit --build to `configure', but if everything else than the kernel
765 ## is running in i386 mode, we can help them out.
766 if test "$machine" = "amdx86-64"; then
767 AC_CHECK_DECL([i386])
768 if test "$ac_cv_have_decl_i386" = "yes"; then
769 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
771 machfile="m/${machine}.h"
775 AC_PATH_PROG(INSTALL_INFO, install-info)
776 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
777 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
778 dnl Don't use GZIP, which is used by gzip for additional parameters.
779 AC_PATH_PROG(GZIP_PROG, gzip)
782 ## Need makeinfo >= 4.7 (?) to build the manuals.
783 AC_PATH_PROG(MAKEINFO, makeinfo, no)
784 dnl By this stage, configure has already checked for egrep and set EGREP,
785 dnl or exited with an error if no egrep was found.
786 if test "$MAKEINFO" != "no" && \
787 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
791 ## Makeinfo is unusual. For a released Emacs, the manuals are
792 ## pre-built, and not deleted by the normal clean rules. makeinfo is
793 ## therefore in the category of "special tools" not normally required, which
794 ## configure does not have to check for (eg autoconf itself).
795 ## In a Bazaar checkout on the other hand, the manuals are not included.
796 ## So makeinfo is a requirement to build from Bazaar, and configure
797 ## should test for it as it does for any other build requirement.
798 ## We use the presence of $srcdir/info/emacs to distinguish a release,
799 ## with pre-built manuals, from a Bazaar checkout.
802 if test "$MAKEINFO" = "no"; then
804 if test "x${with_makeinfo}" = "xno"; then
806 elif test ! -e $srcdir/info/emacs; then
807 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
808 source tree does not seem to have pre-built manuals in the `info' directory.
809 Either install a suitable version of makeinfo, or re-run configure
810 with the `--without-makeinfo' option to build without the manuals.] )
813 AC_SUBST(HAVE_MAKEINFO)
815 dnl Just so that there is only a single place we need to edit.
821 dnl Add our options to ac_link now, after it is set up.
823 if test x$GCC = xyes; then
824 test "x$GCC_LINK_TEST_OPTIONS" != x && \
825 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
827 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
828 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
831 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
832 dnl If we can link with the flag, it shouldn't do any harm anyhow.
833 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
834 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
835 dnl if not built to support GNU ld.
837 late_LDFLAGS=$LDFLAGS
838 if test x$GCC = xyes; then
839 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
841 LDFLAGS="$LDFLAGS -znocombreloc"
844 AC_MSG_CHECKING([for -znocombreloc])
845 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
846 [AC_MSG_RESULT(yes)],
847 LDFLAGS=$late_LDFLAGS
851 dnl The function dump-emacs will not be defined and temacs will do
852 dnl (load "loadup") automatically unless told otherwise.
853 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
855 your-opsys-here) CANNOT_DUMP=yes ;;
858 test "$CANNOT_DUMP" = "yes" && \
859 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
861 AC_SUBST(CANNOT_DUMP)
866 # MSDOS uses unexcoff.o
867 # MSWindows uses unexw32.o
875 UNEXEC_OBJ=unexmacosx.o
878 UNEXEC_OBJ=unexhp9k800.o
881 # Use the Solaris dldump() function, called from unexsol.c, to dump
882 # emacs, instead of the generic ELF dump code found in unexelf.c.
883 # The resulting binary has a complete symbol table, and is better
884 # for debugging and other observability tools (debuggers, pstack, etc).
886 # If you encounter a problem using dldump(), please consider sending
887 # a message to the OpenSolaris tools-linking mailing list:
888 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
890 # It is likely that dldump() works with older Solaris too, but this has
891 # not been tested, so for now this change is for Solaris 10 or newer.
899 ## Let `ld' find image libs and similar things in /usr/local/lib.
900 ## The system compiler, GCC, has apparently been modified to not
901 ## look there, contrary to what a stock GCC would do.
902 ### It's not our place to do this. See bug#10313#17.
903 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
908 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
909 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
913 ### It's not our place to do this. See bug#10313#17.
914 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
919 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
920 ## otherwise Emacs dumps core on elf systems.
921 LD_SWITCH_SYSTEM="-Z"
924 AC_SUBST(LD_SWITCH_SYSTEM)
926 ac_link="$ac_link $LD_SWITCH_SYSTEM"
928 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
929 ## which has not been defined yet. When this was handled with cpp,
930 ## it was expanded to null when configure sourced the s/*.h file.
931 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
932 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
933 ## (or somesuch), but because it is supposed to go at the _front_
934 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
935 ## Compare with the gnu-linux case below, which added to the end
936 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
937 ## LD_SWITCH_SYSTEM_TEMACS.
940 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
945 if test "$machine" = "alpha"; then
946 AC_CHECK_DECL([__ELF__])
947 if test "$ac_cv_have_decl___ELF__" = "yes"; then
948 ## With ELF, make sure that all common symbols get allocated to in the
949 ## data section. Otherwise, the dump of temacs may miss variables in
950 ## the shared library that have been initialized. For example, with
951 ## GNU libc, __malloc_initialized would normally be resolved to the
952 ## shared library's .bss section, which is fatal.
953 if test "x$GCC" = "xyes"; then
954 C_SWITCH_MACHINE="-fno-common"
956 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
959 UNEXEC_OBJ=unexalpha.o
962 AC_SUBST(C_SWITCH_MACHINE)
967 ## Some programs in src produce warnings saying certain subprograms
968 ## are too complex and need a MAXMEM value greater than 2000 for
969 ## additional optimization. --nils@exp-math.uni-essen.de
970 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
971 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
972 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
973 ## It is redundant in glibc2, since we define _GNU_SOURCE.
974 AC_SUBST(C_SWITCH_SYSTEM)
979 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
980 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
982 freebsd) LIBS_SYSTEM="-lutil" ;;
984 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
986 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
988 ## Motif needs -lgen.
989 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
991 AC_SUBST(LIBS_SYSTEM)
994 ### Make sure subsequent tests use flags consistent with the build flags.
996 if test x"${OVERRIDE_CPPFLAGS}" != x; then
997 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
999 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1002 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1003 AC_DEFUN([AC_TYPE_SIZE_T])
1004 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1005 AC_DEFUN([AC_TYPE_UID_T])
1007 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1015 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
1019 START_FILES='pre-crt0.o'
1022 ## Adding -lm confuses the dynamic linker, so omit it.
1024 START_FILES='pre-crt0.o'
1027 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1028 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1030 gnu-linux | gnu-kfreebsd )
1031 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1032 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1034 hpux10-20 | hpux11 )
1036 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1038 dnl NB this may be adjusted below.
1040 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1041 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1046 AC_SUBST(START_FILES)
1048 dnl Not all platforms use crtn.o files. Check if the current one does.
1051 for file in x $LIB_STANDARD $START_FILES; do
1053 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1057 if test "x$crt_files" != x; then
1059 ## If user specified a crt-dir, use that unconditionally.
1062 if test "X$CRT_DIR" = "X"; then
1064 CRT_DIR=/usr/lib # default
1066 case "$canonical" in
1067 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1068 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1069 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1070 ## For anything else (eg /usr/lib32), it is up the user to specify
1071 ## the location (bug#5655).
1072 ## Test for crtn.o, not just the directory, because sometimes the
1073 ## directory exists but does not have the relevant files (bug#1287).
1074 ## FIXME better to test for binary compatibility somehow.
1075 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1078 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1082 hpux10-20) CRT_DIR=/lib ;;
1085 test "x${GCC}" = xyes && crt_gcc=yes
1091 for file in $crt_files; do
1093 ## If we're using gcc, try to determine it automatically by asking
1094 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1095 ## system-dependent default from above.]
1096 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1098 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1101 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1106 dnl We expect all the files to be in a single directory, so after the
1107 dnl first there is no point asking gcc.
1110 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1113 test "x$crt_missing" = x || \
1114 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1115 Try using the --with-crt-dir option.])
1117 fi # crt_files != ""
1123 if test -f $CRT_DIR/crti.o; then
1125 test -f $CRT_DIR/crtn.o || \
1126 AC_MSG_ERROR([Required file not found: crtn.o])
1128 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1129 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1135 dnl This function definition taken from Gnome 2.0
1136 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1137 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1138 dnl also defines GSTUFF_PKG_ERRORS on error
1139 AC_DEFUN([PKG_CHECK_MODULES], [
1142 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1144 if test "$PKG_CONFIG" = "no" ; then
1145 ifelse([$4], , [AC_MSG_ERROR([
1146 *** 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])
1148 PKG_CONFIG_MIN_VERSION=0.9.0
1149 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1150 AC_MSG_CHECKING(for $2)
1152 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1153 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1154 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1161 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1162 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1163 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1169 ## If we have a custom action on failure, don't print errors, but
1170 ## do set a variable so people can do so.
1171 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1172 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1178 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1179 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1183 if test $succeeded = yes; then
1184 ifelse([$3], , :, [$3])
1186 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.])], [$4])
1191 if test "${with_sound}" != "no"; then
1192 # Sound support for GNU/Linux and the free BSDs.
1193 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1194 have_sound_header=yes)
1195 # Emulation library used on NetBSD.
1196 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1200 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1201 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1202 if test $HAVE_ALSA = yes; then
1203 SAVE_CFLAGS="$CFLAGS"
1205 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1206 LIBS="$ALSA_LIBS $LIBS"
1207 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1208 emacs_alsa_normal=yes,
1209 emacs_alsa_normal=no)
1210 if test "$emacs_alsa_normal" != yes; then
1211 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1212 [[snd_lib_error_set_handler (0);]])],
1213 emacs_alsa_subdir=yes,
1214 emacs_alsa_subdir=no)
1215 if test "$emacs_alsa_subdir" != yes; then
1216 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1218 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1221 CFLAGS="$SAVE_CFLAGS"
1223 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1224 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1225 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1228 dnl Define HAVE_SOUND if we have sound support. We know it works and
1229 dnl compiles only on the specified platforms. For others, it
1230 dnl probably doesn't make sense to try.
1231 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1233 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1234 gnu-linux|freebsd|netbsd)
1235 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1240 AC_SUBST(CFLAGS_SOUND)
1243 dnl checks for header files
1244 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1245 linux/version.h sys/systeminfo.h \
1246 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1247 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1248 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1250 AC_MSG_CHECKING(if personality LINUX32 can be set)
1251 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1252 emacs_cv_personality_linux32=yes,
1253 emacs_cv_personality_linux32=no)
1254 AC_MSG_RESULT($emacs_cv_personality_linux32)
1256 if test $emacs_cv_personality_linux32 = yes; then
1257 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1258 [Define to 1 if personality LINUX32 can be set.])
1261 dnl On Solaris 8 there's a compilation warning for term.h because
1262 dnl it doesn't define `bool'.
1263 AC_CHECK_HEADERS(term.h, , , -)
1265 AC_CHECK_DECLS([sys_siglist])
1266 if test $ac_cv_have_decl_sys_siglist != yes; then
1267 # For Tru64, at least:
1268 AC_CHECK_DECLS([__sys_siglist])
1269 if test $ac_cv_have_decl___sys_siglist = yes; then
1270 AC_DEFINE(sys_siglist, __sys_siglist,
1271 [Define to any substitute for sys_siglist.])
1276 dnl Some systems have utime.h but don't declare the struct anyplace.
1277 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1278 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1279 #include <sys/time.h>
1282 #ifdef HAVE_SYS_TIME_H
1283 #include <sys/time.h>
1290 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1291 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1292 if test $emacs_cv_struct_utimbuf = yes; then
1293 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1296 dnl Check for speed_t typedef.
1297 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1298 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1299 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1300 if test $emacs_cv_speed_t = yes; then
1301 AC_DEFINE(HAVE_SPEED_T, 1,
1302 [Define to 1 if `speed_t' is declared by <termios.h>.])
1305 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1306 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1307 #include <sys/time.h>
1310 #ifdef HAVE_SYS_TIME_H
1311 #include <sys/time.h>
1315 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1316 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1317 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1318 if test $emacs_cv_struct_timeval = yes; then
1319 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1322 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1323 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1324 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1325 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1326 HAVE_EXCEPTION=$emacs_cv_struct_exception
1327 if test $emacs_cv_struct_exception != yes; then
1328 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1331 AC_CHECK_HEADERS(sys/socket.h)
1332 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1333 #if HAVE_SYS_SOCKET_H
1334 #include <sys/socket.h>
1336 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1337 #if HAVE_SYS_SOCKET_H
1338 #include <sys/socket.h>
1340 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1341 #if HAVE_SYS_SOCKET_H
1342 #include <sys/socket.h>
1344 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1346 dnl checks for structure members
1347 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1348 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1349 struct ifreq.ifr_addr,
1350 struct ifreq.ifr_addr.sa_len], , ,
1351 [AC_INCLUDES_DEFAULT
1352 #if HAVE_SYS_SOCKET_H
1353 #include <sys/socket.h>
1359 dnl checks for compiler characteristics
1361 dnl Testing __STDC__ to determine prototype support isn't good enough.
1362 dnl DEC C, for instance, doesn't define it with default options, and
1363 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1368 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1369 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1370 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1371 if test $emacs_cv_void_star = yes; then
1372 AC_DEFINE(POINTER_TYPE, void)
1374 AC_DEFINE(POINTER_TYPE, char)
1376 AH_TEMPLATE(POINTER_TYPE,
1377 [Define as `void' if your compiler accepts `void *'; otherwise
1378 define as `char'.])dnl
1380 dnl Check for endianness.
1383 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1384 [emacs_cv_attribute_aligned],
1387 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1389 [emacs_cv_attribute_aligned=yes],
1390 [emacs_cv_attribute_aligned=no])])
1391 if test $emacs_cv_attribute_aligned = yes; then
1392 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1393 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1396 dnl check for Make feature
1402 dnl check for GNU Make if we have GCC and autodepend is on.
1403 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1404 AC_MSG_CHECKING([whether we are using GNU Make])
1406 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1407 if test "x$testval" != x; then
1410 ac_enable_autodepend=no
1412 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1413 if test $HAVE_GNU_MAKE = yes; then
1414 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1415 SAVE_CFLAGS="$CFLAGS"
1416 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1417 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1418 CFLAGS="$SAVE_CFLAGS"
1419 test -f deps.d || ac_enable_autodepend=no
1421 AC_MSG_RESULT([$ac_enable_autodepend])
1423 if test $ac_enable_autodepend = yes; then
1424 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1425 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1426 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1427 deps_frag=autodeps.mk
1430 deps_frag=$srcdir/src/$deps_frag
1433 AC_SUBST_FILE(deps_frag)
1436 lisp_frag=$srcdir/src/lisp.mk
1437 AC_SUBST_FILE(lisp_frag)
1440 dnl checks for operating system services
1441 AC_SYS_LONG_FILE_NAMES
1443 #### Choose a window system.
1446 if test "$no_x" = yes; then
1452 LD_SWITCH_X_SITE_RPATH=
1453 if test "${x_libraries}" != NONE; then
1454 if test -n "${x_libraries}"; then
1455 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1456 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1458 x_default_search_path=""
1459 x_search_path=${x_libraries}
1460 if test -z "${x_search_path}"; then
1461 x_search_path=/usr/lib
1463 for x_library in `echo ${x_search_path}: | \
1464 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1466 ${x_library}/X11/%L/%T/%N%C%S:\
1467 ${x_library}/X11/%l/%T/%N%C%S:\
1468 ${x_library}/X11/%T/%N%C%S:\
1469 ${x_library}/X11/%L/%T/%N%S:\
1470 ${x_library}/X11/%l/%T/%N%S:\
1471 ${x_library}/X11/%T/%N%S"
1472 if test x"${x_default_search_path}" = x; then
1473 x_default_search_path=${x_search_path}
1475 x_default_search_path="${x_search_path}:${x_default_search_path}"
1479 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1481 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1482 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1485 if test x"${x_includes}" = x; then
1486 bitmapdir=/usr/include/X11/bitmaps
1488 # accumulate include directories that have X11 bitmap subdirectories
1490 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1491 if test -d "${bmd}/X11/bitmaps"; then
1492 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1494 if test -d "${bmd}/bitmaps"; then
1495 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1498 if test ${bmd_acc} != "dummyval"; then
1499 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1506 tmp_CPPFLAGS="$CPPFLAGS"
1507 tmp_CFLAGS="$CFLAGS"
1508 CPPFLAGS="$CPPFLAGS -x objective-c"
1509 CFLAGS="$CFLAGS -x objective-c"
1510 TEMACS_LDFLAGS2="\${LDFLAGS}"
1512 if test "${with_ns}" != no; then
1513 if test "${opsys}" = darwin; then
1515 ns_appdir=`pwd`/nextstep/Emacs.app
1516 ns_appbindir=${ns_appdir}/Contents/MacOS
1517 ns_appresdir=${ns_appdir}/Contents/Resources
1518 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1519 elif test -f $GNUSTEP_CONFIG_FILE; then
1521 ns_appdir=`pwd`/nextstep/Emacs.app
1522 ns_appbindir=${ns_appdir}
1523 ns_appresdir=${ns_appdir}/Resources
1524 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1525 dnl FIXME sourcing this several times in subshells seems inefficient.
1526 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1527 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1528 dnl I seemed to need these as well with GNUstep-startup 0.25.
1529 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1530 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1531 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1532 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1533 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1534 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1535 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1536 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1537 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1541 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1542 dnl If they had chosen to either define it or not, we could have
1543 dnl just used AC_CHECK_DECL here.
1544 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1545 emacs_cv_objc_exceptions,
1546 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1547 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1551 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1552 if test $emacs_cv_objc_exceptions = yes; then
1553 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1554 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1555 [Define if GNUstep uses ObjC exceptions.])
1556 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1560 dnl This is only used while we test the NS headers, it gets reset below.
1561 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1563 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1564 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1565 files are missing or cannot be compiled.])])
1566 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1568 ns_have_nsinteger=yes,
1569 ns_have_nsinteger=no)
1570 if test $ns_have_nsinteger = yes; then
1571 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1574 AC_SUBST(TEMACS_LDFLAGS2)
1576 INSTALL_ARCH_INDEP_EXTRA=install-etc
1577 LEIM_INSTALLDIR="\${install_prefix}/leim"
1578 ns_self_contained=no
1582 if test "${HAVE_NS}" = yes; then
1583 if test "$with_toolkit_scroll_bars" = "no"; then
1584 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1587 window_system=nextstep
1589 # set up packaging dirs
1590 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1591 ns_self_contained=yes
1592 prefix=${ns_appresdir}
1593 exec_prefix=${ns_appbindir}
1594 dnl This one isn't really used, only archlibdir is.
1595 libexecdir="\${ns_appbindir}/libexec"
1596 archlibdir="\${ns_appbindir}/libexec"
1597 docdir="\${ns_appresdir}/etc"
1598 etcdir="\${ns_appresdir}/etc"
1599 dnl FIXME maybe set datarootdir instead.
1600 dnl That would also get applications, icons, man.
1601 infodir="\${ns_appresdir}/info"
1602 lispdir="\${ns_appresdir}/lisp"
1603 LEIM_INSTALLDIR="\${ns_appresdir}/leim"
1604 INSTALL_ARCH_INDEP_EXTRA=
1606 ns_frag=$srcdir/src/ns.mk
1607 NS_OBJ="fontset.o fringe.o image.o"
1608 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1610 CFLAGS="$tmp_CFLAGS"
1611 CPPFLAGS="$tmp_CPPFLAGS"
1612 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1613 AC_SUBST(LEIM_INSTALLDIR)
1614 AC_SUBST(ns_self_contained)
1616 AC_SUBST(NS_OBJC_OBJ)
1617 AC_SUBST(LIB_STANDARD)
1618 AC_SUBST_FILE(ns_frag)
1620 case "${window_system}" in
1624 case "${with_x_toolkit}" in
1625 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1626 motif ) USE_X_TOOLKIT=MOTIF ;;
1628 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1629 dnl USE_X_TOOLKIT is set.
1630 USE_X_TOOLKIT=none ;;
1631 gtk3 ) with_gtk3=yes
1632 USE_X_TOOLKIT=none ;;
1633 no ) USE_X_TOOLKIT=none ;;
1634 dnl If user did not say whether to use a toolkit, make this decision later:
1635 dnl use the toolkit if we have gtk, or X11R5 or newer.
1636 * ) USE_X_TOOLKIT=maybe ;;
1646 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1647 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1648 if test "$HAVE_XSERVER" = true ||
1649 test -n "$DISPLAY" ||
1650 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1651 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1652 were found. You should install the relevant development files for X
1653 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1654 sure you have development files for image handling, i.e.
1655 tiff, gif, jpeg, png and xpm.
1656 If you are sure you want Emacs compiled without X window support, pass
1662 ### If we're using X11, we should use the X menu package.
1665 yes ) HAVE_MENUS=yes ;;
1668 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1669 # Assume not, until told otherwise.
1673 [whether malloc is Doug Lea style],
1674 [emacs_cv_var_doug_lea_malloc],
1677 [[#include <malloc.h>
1678 static void hook (void) {}]],
1679 [[malloc_set_state (malloc_get_state ());
1680 __after_morecore_hook = hook;
1681 __malloc_initialize_hook = hook;]])],
1682 [emacs_cv_var_doug_lea_malloc=yes],
1683 [emacs_cv_var_doug_lea_malloc=no])])
1684 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1687 dnl See comments in aix4-2.h about maybe using system malloc there.
1690 ## darwin ld insists on the use of malloc routines in the System framework.
1691 darwin|sol2-10) system_malloc=yes ;;
1694 if test "${system_malloc}" = "yes"; then
1695 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1698 (The GNU allocators don't work with this system configuration.)"
1702 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1703 VMLIMIT_OBJ=vm-limit.o
1705 AC_SUBST(GMALLOC_OBJ)
1706 AC_SUBST(VMLIMIT_OBJ)
1708 if test "$doug_lea_malloc" = "yes" ; then
1709 if test "$GNU_MALLOC" = yes ; then
1711 (Using Doug Lea's new malloc from the GNU C Library.)"
1713 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1714 [Define to 1 if you are using the GNU C Library.])
1716 ## Use mmap directly for allocating larger buffers.
1717 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1718 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1719 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1721 gnu*) REL_ALLOC=no ;;
1725 if test x"${REL_ALLOC}" = x; then
1726 REL_ALLOC=${GNU_MALLOC}
1729 use_mmap_for_buffers=no
1731 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1735 if test $use_mmap_for_buffers = yes; then
1736 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1740 LIBS="$LIBS_SYSTEM $LIBS"
1742 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1743 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1744 AC_CHECK_LIB(dnet, dnet_ntoa)
1745 dnl This causes -lresolv to get used in subsequent tests,
1746 dnl which causes failures on some systems such as HPUX 9.
1747 dnl AC_CHECK_LIB(resolv, gethostbyname)
1749 dnl FIXME replace main with a function we actually want from this library.
1750 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1752 dnl Check if pthreads is available.
1754 AC_CHECK_HEADERS(pthread.h)
1755 if test "$ac_cv_header_pthread_h"; then
1756 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1757 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1758 dnl testing for pthread_self if Emacs uses gmalloc.c.
1759 if test "$GMALLOC_OBJ" = gmalloc.o; then
1760 emacs_pthread_function=pthread_atfork
1762 emacs_pthread_function=pthread_self
1764 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1766 if test "$HAVE_PTHREAD" = yes; then
1767 case "${canonical}" in
1769 *) LIB_PTHREAD="-lpthread"
1770 LIBS="$LIB_PTHREAD $LIBS" ;;
1772 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1774 AC_SUBST([LIB_PTHREAD])
1776 AC_CHECK_LIB(pthreads, cma_open)
1778 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1779 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1780 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1781 ## added to LIBS in configure would never contain the pthreads part,
1782 ## but the value used in Makefiles might. FIXME?
1784 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1785 ## be harmless on older versions of X where it happens to exist.
1786 test "$opsys" = "aix4-2" && \
1787 test $ac_cv_lib_pthreads_cma_open = yes && \
1788 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1790 dnl Check for need for bigtoc support on IBM AIX
1794 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1796 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1797 *) gdb_cv_bigtoc=-bbigtoc ;;
1800 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1801 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1806 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1807 # used for the tests that follow. We set them back to REAL_CFLAGS and
1808 # REAL_CPPFLAGS later on.
1810 REAL_CFLAGS="$CFLAGS"
1811 REAL_CPPFLAGS="$CPPFLAGS"
1813 if test "${HAVE_X11}" = "yes"; then
1814 DEFS="$C_SWITCH_X_SITE $DEFS"
1815 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1817 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1818 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1820 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1821 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1822 # but it's more convenient here to set LD_RUN_PATH since this
1823 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1824 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1825 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1829 if test "${opsys}" = "gnu-linux"; then
1830 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1831 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1832 [[XOpenDisplay ("foo");]])],
1833 [xgnu_linux_first_failure=no],
1834 [xgnu_linux_first_failure=yes])
1835 if test "${xgnu_linux_first_failure}" = "yes"; then
1836 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1837 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1838 OLD_CPPFLAGS="$CPPFLAGS"
1840 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1841 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1842 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1843 LIBS="$LIBS -b i486-linuxaout"
1844 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1845 [[XOpenDisplay ("foo");]])],
1846 [xgnu_linux_second_failure=no],
1847 [xgnu_linux_second_failure=yes])
1848 if test "${xgnu_linux_second_failure}" = "yes"; then
1849 # If we get the same failure with -b, there is no use adding -b.
1850 # So take it out. This plays safe.
1851 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1852 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1853 CPPFLAGS="$OLD_CPPFLAGS"
1864 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1865 # header files included from there.
1866 AC_MSG_CHECKING(for Xkb)
1867 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1868 #include <X11/XKBlib.h>]],
1869 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1870 emacs_xkb=yes, emacs_xkb=no)
1871 AC_MSG_RESULT($emacs_xkb)
1872 if test $emacs_xkb = yes; then
1873 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1876 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1877 XScreenNumberOfScreen XSetWMProtocols)
1880 if test "${window_system}" = "x11"; then
1881 AC_MSG_CHECKING(X11 version 6)
1882 AC_CACHE_VAL(emacs_cv_x11_version_6,
1883 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1884 [[#if XlibSpecificationRelease < 6
1887 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1888 if test $emacs_cv_x11_version_6 = yes; then
1889 AC_MSG_RESULT(6 or newer)
1890 AC_DEFINE(HAVE_X11R6, 1,
1891 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1892 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1893 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1897 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1898 [Define if you have usable X11R6-style XIM support.])
1902 AC_MSG_RESULT(before 6)
1907 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1909 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1910 if test "${with_rsvg}" != "no"; then
1911 RSVG_REQUIRED=2.11.0
1912 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1914 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1915 AC_SUBST(RSVG_CFLAGS)
1918 if test $HAVE_RSVG = yes; then
1919 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1920 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1921 LIBS="$RSVG_LIBS $LIBS"
1927 if test "${HAVE_X11}" = "yes"; then
1928 if test "${with_imagemagick}" != "no"; then
1929 ## 6.2.8 is the earliest version known to work, but earlier versions
1930 ## might work - let us know if you find one.
1931 ## 6.0.7 does not work. See bug#7955.
1932 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1933 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1934 AC_SUBST(IMAGEMAGICK_CFLAGS)
1935 AC_SUBST(IMAGEMAGICK_LIBS)
1937 if test $HAVE_IMAGEMAGICK = yes; then
1938 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1939 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1940 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1941 AC_CHECK_FUNCS(MagickExportImagePixels)
1949 if test "${with_gtk3}" = "yes"; then
1952 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1954 dnl Checks for libraries.
1955 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1956 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1957 AC_MSG_ERROR($GTK_PKG_ERRORS)
1959 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1960 GTK_OBJ=emacsgtkfixed.o
1963 if test "$pkg_check_gtk" != "yes"; then
1965 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1968 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1970 dnl Checks for libraries.
1971 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1972 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1973 AC_MSG_ERROR($GTK_PKG_ERRORS)
1978 if test x"$pkg_check_gtk" = xyes; then
1980 AC_SUBST(GTK_CFLAGS)
1982 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1983 CFLAGS="$CFLAGS $GTK_CFLAGS"
1984 LIBS="$GTK_LIBS $LIBS"
1985 dnl Try to compile a simple GTK program.
1987 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1988 if test "${GTK_COMPILES}" != "yes"; then
1989 if test "$USE_X_TOOLKIT" != "maybe"; then
1990 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1994 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1995 GTK_OBJ="gtkutil.o $GTK_OBJ"
1997 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
2000 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2001 closing open displays. This is no problem if you just use
2002 one display, but if you use more than one and close one of them
2012 if test "${HAVE_GTK}" = "yes"; then
2014 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2015 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2016 if test "$with_toolkit_scroll_bars" != no; then
2017 with_toolkit_scroll_bars=yes
2020 dnl Check if we have the old file selection dialog declared and
2021 dnl in the link library. In 2.x it may be in the library,
2022 dnl but not declared if deprecated featured has been selected out.
2023 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2024 HAVE_GTK_FILE_SELECTION=no
2025 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2026 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2027 #include <gtk/gtk.h>])
2028 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2029 AC_CHECK_FUNCS(gtk_file_selection_new)
2033 dnl Check for functions introduced in 2.14 and later.
2034 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2035 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2036 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2037 gtk_orientable_set_orientation \
2038 gtk_window_set_has_resize_grip)
2041 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2042 dnl other platforms.
2045 if test "${with_dbus}" = "yes"; then
2046 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2047 if test "$HAVE_DBUS" = yes; then
2048 LIBS="$LIBS $DBUS_LIBS"
2049 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2050 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2051 dnl dbus_validate_* have been introduced in D-Bus 1.5.12.
2052 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2053 dbus_validate_bus_name \
2054 dbus_validate_path \
2055 dbus_validate_interface \
2056 dbus_validate_member)
2062 dnl GSettings has been tested under GNU/Linux only.
2064 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2065 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2066 if test "$HAVE_GSETTINGS" = "yes"; then
2067 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2068 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2069 SETTINGS_LIBS="$GSETTINGS_LIBS"
2073 dnl GConf has been tested under GNU/Linux only.
2074 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2076 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2077 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2078 if test "$HAVE_GCONF" = yes; then
2079 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2080 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2081 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2082 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2086 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2087 SAVE_CFLAGS="$CFLAGS"
2089 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2090 LIBS="$SETTINGS_LIBS $LIBS"
2091 AC_CHECK_FUNCS([g_type_init])
2092 CFLAGS="$SAVE_CFLAGS"
2095 AC_SUBST(SETTINGS_CFLAGS)
2096 AC_SUBST(SETTINGS_LIBS)
2099 dnl SELinux is available for GNU/Linux only.
2102 if test "${with_selinux}" = "yes"; then
2103 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2104 if test "$HAVE_LIBSELINUX" = yes; then
2105 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2106 LIBSELINUX_LIBS=-lselinux
2109 AC_SUBST(LIBSELINUX_LIBS)
2112 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2113 if test "${with_gnutls}" = "yes" ; then
2114 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2115 if test "${HAVE_GNUTLS}" = "yes"; then
2116 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2119 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2120 LIBS="$LIBGNUTLS_LIBS $LIBS"
2121 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2123 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2124 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2128 AC_SUBST(LIBGNUTLS_LIBS)
2129 AC_SUBST(LIBGNUTLS_CFLAGS)
2131 dnl Do not put whitespace before the #include statements below.
2132 dnl Older compilers (eg sunos4 cc) choke on it.
2135 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2136 if test "$with_xaw3d" != no; then
2137 AC_MSG_CHECKING(for xaw3d)
2138 AC_CACHE_VAL(emacs_cv_xaw3d,
2139 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2140 #include <X11/Intrinsic.h>
2141 #include <X11/Xaw3d/Simple.h>]],
2143 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2144 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2145 emacs_cv_xaw3d=no)])
2149 if test $emacs_cv_xaw3d = yes; then
2150 AC_MSG_RESULT([yes; using Lucid toolkit])
2154 AC_DEFINE(HAVE_XAW3D, 1,
2155 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2158 AC_MSG_CHECKING(for libXaw)
2159 AC_CACHE_VAL(emacs_cv_xaw,
2160 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2161 #include <X11/Intrinsic.h>
2162 #include <X11/Xaw/Simple.h>]],
2166 if test $emacs_cv_xaw = yes; then
2167 AC_MSG_RESULT([yes; using Lucid toolkit])
2170 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2171 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2173 AC_MSG_ERROR([No X toolkit could be found.
2174 If you are sure you want Emacs compiled without an X toolkit, pass
2176 to configure. Otherwise, install the development libraries for the toolkit
2177 that you want to use (e.g. Gtk+) and re-run configure.])
2182 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2185 if test "${USE_X_TOOLKIT}" != "none"; then
2186 AC_MSG_CHECKING(X11 toolkit version)
2187 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2188 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2189 [[#if XtSpecificationRelease < 6
2192 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2193 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2194 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2195 AC_MSG_RESULT(6 or newer)
2196 AC_DEFINE(HAVE_X11XTR6, 1,
2197 [Define to 1 if you have the X11R6 or newer version of Xt.])
2198 LIBXTR6="-lSM -lICE"
2200 ## Use libw.a along with X11R6 Xt.
2201 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2204 AC_MSG_RESULT(before 6)
2207 dnl If using toolkit, check whether libXmu.a exists.
2208 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2210 if test x$HAVE_X11XTR6 = xyes; then
2211 LIBS="-lXt -lSM -lICE $LIBS"
2215 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2216 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2220 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2221 dnl Why not just test for libxmu in the normal way?
2224 ## These systems don't supply Xmu.
2226 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2231 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2232 if test "${HAVE_X11}" = "yes"; then
2233 if test "${USE_X_TOOLKIT}" != "none"; then
2234 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2239 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2240 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2241 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2242 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2245 Motif version prior to 2.1.
2247 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2248 if test $emacs_cv_motif_version_2_1 = yes; then
2249 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2251 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2252 # We put this in CFLAGS temporarily to precede other -I options
2253 # that might be in CFLAGS temporarily.
2254 # We put this in CPPFLAGS where it precedes the other -I options.
2255 OLD_CPPFLAGS=$CPPFLAGS
2257 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2258 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2259 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2261 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2262 if test $emacs_cv_lesstif = yes; then
2263 # Make sure this -I option remains in CPPFLAGS after it is set
2264 # back to REAL_CPPFLAGS.
2265 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2266 # have those other -I options anyway. Ultimately, having this
2267 # directory ultimately in CPPFLAGS will be enough.
2268 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2269 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2272 CPPFLAGS=$OLD_CPPFLAGS
2275 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2276 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2279 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2280 dnl using Motif or Xaw3d is available, and unless
2281 dnl --with-toolkit-scroll-bars=no was specified.
2283 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2284 [Define to 1 if we should use toolkit scroll bars.])dnl
2285 USE_TOOLKIT_SCROLL_BARS=no
2286 if test "${with_toolkit_scroll_bars}" != "no"; then
2287 if test "${USE_X_TOOLKIT}" != "none"; then
2288 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2289 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2291 USE_TOOLKIT_SCROLL_BARS=yes
2292 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2293 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2294 USE_TOOLKIT_SCROLL_BARS=yes
2296 elif test "${HAVE_GTK}" = "yes"; then
2297 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2298 USE_TOOLKIT_SCROLL_BARS=yes
2299 elif test "${HAVE_NS}" = "yes"; then
2300 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2301 USE_TOOLKIT_SCROLL_BARS=yes
2305 dnl See if XIM is available.
2306 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2307 #include <X11/Xlib.h>
2308 #include <X11/Xresource.h>]],
2309 [[XIMProc callback;]])],
2311 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2314 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2316 if test "${with_xim}" != "no"; then
2317 AC_DEFINE(USE_XIM, 1,
2318 [Define to 1 if we should use XIM, if it is available.])
2322 if test "${HAVE_XIM}" != "no"; then
2324 if test "$GCC" = yes; then
2325 CFLAGS="$CFLAGS --pedantic-errors"
2327 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2328 #include <X11/Xlib.h>
2329 #include <X11/Xresource.h>]],
2335 XPointer *client_data;
2337 /* If we're not using GCC, it's probably not XFree86, and this is
2338 probably right, but we can't use something like --pedantic-errors. */
2339 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2340 char*, XIMProc, XPointer*);
2342 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2344 [emacs_cv_arg6_star=yes])
2345 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2346 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2347 either XPointer or XPointer*.])dnl
2348 if test "$emacs_cv_arg6_star" = yes; then
2349 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2351 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2356 ### Start of font-backend (under any platform) section.
2357 # (nothing here yet -- this is a placeholder)
2358 ### End of font-backend (under any platform) section.
2360 ### Start of font-backend (under X11) section.
2361 if test "${HAVE_X11}" = "yes"; then
2362 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2364 ## Use -lXft if available, unless `--with-xft=no'.
2366 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2369 if test "x${with_xft}" != "xno"; then
2371 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2372 ## Because xftfont.c uses XRenderQueryExtension, we also
2373 ## need to link to -lXrender.
2375 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2376 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2377 OLD_CPPFLAGS="$CPPFLAGS"
2378 OLD_CFLAGS="$CFLAGS"
2380 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2381 CFLAGS="$CFLAGS $XFT_CFLAGS"
2382 XFT_LIBS="-lXrender $XFT_LIBS"
2383 LIBS="$XFT_LIBS $LIBS"
2384 AC_CHECK_HEADER(X11/Xft/Xft.h,
2385 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2387 if test "${HAVE_XFT}" = "yes"; then
2388 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2390 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2392 CPPFLAGS="$OLD_CPPFLAGS"
2393 CFLAGS="$OLD_CFLAGS"
2395 fi # "${HAVE_XFT}" = "yes"
2396 fi # "$HAVE_XFT" != no
2397 fi # "x${with_xft}" != "xno"
2399 ## We used to allow building with FreeType and without Xft.
2400 ## However, the ftx font backend driver is not in good shape.
2401 if test "$HAVE_XFT" != "yes"; then
2402 dnl For the "Does Emacs use" message at the end.
2406 dnl Strict linkers fail with
2407 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2408 dnl if -lfreetype is not specified.
2409 dnl The following is needed to set FREETYPE_LIBS.
2410 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2413 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2417 if test "${HAVE_FREETYPE}" = "yes"; then
2418 AC_DEFINE(HAVE_FREETYPE, 1,
2419 [Define to 1 if using the freetype and fontconfig libraries.])
2420 if test "${with_libotf}" != "no"; then
2421 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2423 if test "$HAVE_LIBOTF" = "yes"; then
2424 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2425 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2426 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2427 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2428 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2429 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2430 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2434 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2435 dnl Does the new font backend require it, or can it work without it?
2439 if test "${HAVE_LIBOTF}" = yes; then
2440 if test "${with_m17n_flt}" != "no"; then
2441 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2442 if test "$HAVE_M17N_FLT" = "yes"; then
2443 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2454 ### End of font-backend (under X11) section.
2456 AC_SUBST(FREETYPE_CFLAGS)
2457 AC_SUBST(FREETYPE_LIBS)
2458 AC_SUBST(FONTCONFIG_CFLAGS)
2459 AC_SUBST(FONTCONFIG_LIBS)
2460 AC_SUBST(LIBOTF_CFLAGS)
2461 AC_SUBST(LIBOTF_LIBS)
2462 AC_SUBST(M17N_FLT_CFLAGS)
2463 AC_SUBST(M17N_FLT_LIBS)
2465 ### Use -lXpm if available, unless `--with-xpm=no'.
2468 if test "${HAVE_X11}" = "yes"; then
2469 if test "${with_xpm}" != "no"; then
2470 AC_CHECK_HEADER(X11/xpm.h,
2471 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2472 if test "${HAVE_XPM}" = "yes"; then
2473 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2474 AC_EGREP_CPP(no_return_alloc_pixels,
2475 [#include "X11/xpm.h"
2476 #ifndef XpmReturnAllocPixels
2477 no_return_alloc_pixels
2479 ], HAVE_XPM=no, HAVE_XPM=yes)
2481 if test "${HAVE_XPM}" = "yes"; then
2489 if test "${HAVE_XPM}" = "yes"; then
2490 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2496 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2499 if test "${HAVE_X11}" = "yes"; then
2500 if test "${with_jpeg}" != "no"; then
2501 dnl Checking for jpeglib.h can lose because of a redefinition of
2503 AC_CHECK_HEADER(jerror.h,
2504 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2507 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2508 if test "${HAVE_JPEG}" = "yes"; then
2509 AC_DEFINE(HAVE_JPEG)
2510 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2511 [#include <jpeglib.h>
2512 version=JPEG_LIB_VERSION
2514 [AC_DEFINE(HAVE_JPEG)],
2515 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2518 if test "${HAVE_JPEG}" = "yes"; then
2524 ### Use -lpng if available, unless `--with-png=no'.
2527 if test "${HAVE_X11}" = "yes"; then
2528 if test "${with_png}" != "no"; then
2529 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2530 # in /usr/include/libpng.
2531 AC_CHECK_HEADERS(png.h libpng/png.h)
2532 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2533 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2537 if test "${HAVE_PNG}" = "yes"; then
2538 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2539 LIBPNG="-lpng -lz -lm"
2544 ### Use -ltiff if available, unless `--with-tiff=no'.
2547 if test "${HAVE_X11}" = "yes"; then
2548 if test "${with_tiff}" != "no"; then
2549 AC_CHECK_HEADER(tiffio.h,
2551 # At least one tiff package requires the jpeg library.
2552 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2553 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2556 if test "${HAVE_TIFF}" = "yes"; then
2557 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2558 dnl FIXME -lz -lm, as per libpng?
2564 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2567 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2568 AC_CHECK_HEADER(gif_lib.h,
2569 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2570 # Earlier versions can crash Emacs.
2571 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2573 if test "$HAVE_GIF" = yes; then
2575 elif test "$HAVE_GIF" = maybe; then
2576 # If gif_lib.h but no libgif, try libungif.
2577 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2578 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2581 if test "${HAVE_GIF}" = "yes"; then
2582 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2587 dnl Check for required libraries.
2588 if test "${HAVE_X11}" = "yes"; then
2591 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2592 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2593 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2594 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2595 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2596 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2597 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2598 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2599 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2600 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2602 if test "X${MISSING}" != X; then
2603 AC_MSG_ERROR([The following required libraries were not found:
2605 Maybe some development libraries/packages are missing?
2606 If you don't want to link with them give
2608 as options to configure])
2612 ### Use -lgpm if available, unless `--with-gpm=no'.
2615 if test "${with_gpm}" != "no"; then
2616 AC_CHECK_HEADER(gpm.h,
2617 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2619 if test "${HAVE_GPM}" = "yes"; then
2620 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2626 dnl Check for malloc/malloc.h on darwin
2627 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2630 ### Use NeXTstep API to implement GUI.
2631 if test "${HAVE_NS}" = "yes"; then
2632 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2633 if test "${NS_IMPL_COCOA}" = "yes"; then
2634 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2636 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2637 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2638 # See also .m.o rule in Makefile.in */
2639 # FIXME: are all these flags really needed? Document here why. */
2640 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2641 ## Extra CFLAGS applied to src/*.m files.
2642 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2644 # We also have mouse menus.
2650 ### Use session management (-lSM -lICE) if available
2653 if test "${HAVE_X11}" = "yes"; then
2654 AC_CHECK_HEADER(X11/SM/SMlib.h,
2655 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2657 if test "${HAVE_X_SM}" = "yes"; then
2658 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2662 *) LIBS="$LIBXSM $LIBS" ;;
2668 ### Use libxml (-lxml2) if available
2670 if test "${with_xml2}" != "no"; then
2671 ### I'm not sure what the version number should be, so I just guessed.
2672 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2673 if test "${HAVE_LIBXML2}" = "yes"; then
2674 LIBS="$LIBXML2_LIBS $LIBS"
2675 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2676 if test "${HAVE_LIBXML2}" = "yes"; then
2677 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2684 AC_SUBST(LIBXML2_LIBS)
2685 AC_SUBST(LIBXML2_CFLAGS)
2687 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2688 AC_CACHE_CHECK(whether netdb declares h_errno,
2689 emacs_cv_netdb_declares_h_errno,
2690 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2691 [[return h_errno;]])],
2692 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2693 if test $emacs_cv_netdb_declares_h_errno = yes; then
2694 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2697 # fmod, logb, and frexp are found in -lm on most systems.
2698 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2699 AC_CHECK_LIB(m, sqrt)
2701 # Check for mail-locking functions in a "mail" library. Probably this should
2702 # have the same check as for liblockfile below.
2703 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2704 if test $have_mail = yes; then
2706 LIBS="$LIBS_MAIL $LIBS"
2707 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2711 dnl Debian, at least:
2712 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2713 if test $have_lockfile = yes; then
2714 LIBS_MAIL=-llockfile
2715 LIBS="$LIBS_MAIL $LIBS"
2716 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2718 # If we have the shared liblockfile, assume we must use it for mail
2719 # locking (e.g. Debian). If we couldn't link against liblockfile
2720 # (no liblockfile.a installed), ensure that we don't need to.
2721 dnl This works for files generally, not just executables.
2722 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2723 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2724 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2725 if test $ac_cv_prog_liblockfile = yes; then
2726 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2727 This probably means that movemail could lose mail.
2728 There may be a `development' package to install containing liblockfile.])
2731 AC_CHECK_FUNCS(touchlock)
2732 AC_CHECK_HEADERS(maillock.h)
2735 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2736 ## interlock access to the mail spool. The alternative is a lock file named
2737 ## /usr/spool/mail/$USER.lock.
2740 aix4-2) mail_lock="lockf" ;;
2742 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2744 ## On GNU/Linux systems, both methods are used by various mail programs.
2745 ## I assume most people are using newer mailers that have heard of flock.
2746 ## Change this if you need to.
2747 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2748 ## configure gets the right answers, and that means *NOT* using flock.
2749 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2750 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2751 ## Debian maintainer hasn't provided a clean fix for Emacs.
2752 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2753 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2754 ## correct logic. -- fx
2755 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2756 ## liblockfile is a Free Software replacement for libmail, used on
2757 ## Debian systems and elsewhere. -rfr.
2760 if test $have_mail = yes || test $have_lockfile = yes; then
2761 test $ac_cv_header_maillock_h = yes && mail_lock=no
2767 case "$mail_lock" in
2768 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2770 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2772 *) BLESSMAIL_TARGET="need-blessmail" ;;
2774 AC_SUBST(BLESSMAIL_TARGET)
2777 AC_CHECK_FUNCS(gethostname getdomainname \
2778 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2779 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2780 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2781 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2782 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2783 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2784 gai_strerror mkstemp getline getdelim mremap fsync sync \
2785 difftime mempcpy mblen mbrlen posix_memalign \
2786 getpwent endpwent getgrent endgrent \
2787 cfmakeraw cfsetspeed copysign __executable_start)
2789 dnl Cannot use AC_CHECK_FUNCS
2790 AC_CACHE_CHECK([for __builtin_unwind_init],
2791 emacs_cv_func___builtin_unwind_init,
2792 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2793 emacs_cv_func___builtin_unwind_init=yes,
2794 emacs_cv_func___builtin_unwind_init=no)])
2795 if test $emacs_cv_func___builtin_unwind_init = yes; then
2796 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2797 [Define to 1 if you have the `__builtin_unwind_init' function.])
2800 AC_CHECK_HEADERS(sys/un.h)
2807 AC_CHECK_FUNCS(grantpt)
2809 # PTY-related GNU extensions.
2810 AC_CHECK_FUNCS(getpt)
2812 # Check this now, so that we will NOT find the above functions in ncurses.
2813 # That is because we have not set up to link ncurses in lib-src.
2814 # It's better to believe a function is not available
2815 # than to expect to find it in ncurses.
2816 # Also we need tputs and friends to be able to build at all.
2817 AC_MSG_CHECKING([for library containing tputs])
2818 # Run a test program that contains a call to tputs, a call that is
2819 # never executed. This tests whether a pre-'main' dynamic linker
2820 # works with the library. It's too much trouble to actually call
2821 # tputs in the test program, due to portability hassles. When
2822 # cross-compiling, assume the test program will run if it links.
2823 AC_DEFUN([tputs_link_source], [
2825 [[extern void tputs (const char *, int, int (*)(int));
2826 int main (int argc, char **argv)
2829 tputs (argv[0], 0, 0);
2833 # Maybe curses should be tried earlier?
2834 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2835 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2837 if test -z "$tputs_library"; then
2841 LIBS_TERMCAP=-l$tputs_library
2843 LIBS="$LIBS_TERMCAP $LIBS"
2845 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2846 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2848 if test "X$msg" != Xno; then
2852 AC_MSG_RESULT([$msg])
2853 if test "X$msg" = Xno; then
2854 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2855 The following libraries were tried (in order):
2856 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2857 Please try installing whichever of these libraries is most appropriate
2858 for your system, together with its header files.
2859 For example, a libncurses-dev(el) or similar package.])
2862 ## Use termcap instead of terminfo?
2863 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2865 ## FIXME? In the cases below where we unconditionally set
2866 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2867 ## if that was found above to have tputs.
2868 ## Should we use the gnu* logic everywhere?
2870 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2871 ## The ncurses library has been moved out of the System framework in
2872 ## Mac OS X 10.2. So if configure detects it, set the command-line
2873 ## option to use it.
2874 darwin) LIBS_TERMCAP="-lncurses" ;;
2876 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2879 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2880 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2881 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2882 [[#if __FreeBSD_version < 400000
2885 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2887 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2889 if test $emacs_cv_freebsd_terminfo = yes; then
2890 LIBS_TERMCAP="-lncurses"
2893 LIBS_TERMCAP="-ltermcap"
2898 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2900 LIBS_TERMCAP="-ltermcap"
2904 openbsd) LIBS_TERMCAP="-lncurses" ;;
2906 ## hpux: Make sure we get select from libc rather than from libcurses
2907 ## because libcurses on HPUX 10.10 has a broken version of select.
2908 ## We used to use -lc -lcurses, but this may be cleaner.
2909 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2910 # set that way, now it uses the default). Isn't this a contradiction?
2911 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2915 TERMCAP_OBJ=tparam.o
2916 if test $TERMINFO = yes; then
2917 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2918 TERMCAP_OBJ=terminfo.o
2920 AC_SUBST(LIBS_TERMCAP)
2921 AC_SUBST(TERMCAP_OBJ)
2924 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2926 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2927 #include <arpa/nameser.h>
2928 #include <resolv.h>]],
2929 [[return res_init();]])],
2930 have_res_init=yes, have_res_init=no)
2931 if test "$have_res_init" = no; then
2933 LIBS="$LIBS -lresolv"
2934 AC_MSG_CHECKING(for res_init with -lresolv)
2935 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2936 #include <arpa/nameser.h>
2937 #include <resolv.h>]],
2938 [[return res_init();]])],
2939 have_res_init=yes, have_res_init=no)
2940 AC_MSG_RESULT($have_res_init)
2941 if test "$have_res_init" = yes ; then
2947 if test "$have_res_init" = yes; then
2948 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2951 # Do we need the Hesiod library to provide the support routines?
2953 if test "$with_hesiod" != no ; then
2954 # Don't set $LIBS here -- see comments above. FIXME which comments?
2955 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2956 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2957 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2958 if test "$resolv" = yes ; then
2963 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2964 hesiod=yes, :, $RESOLVLIB)])
2966 if test x"$hesiod" = xyes; then
2967 AC_DEFINE(HAVE_LIBHESIOD, 1,
2968 [Define to 1 if you have the hesiod library (-lhesiod).])
2974 # Do we need libresolv (due to res_init or Hesiod)?
2975 if test "$resolv" = yes ; then
2976 AC_DEFINE(HAVE_LIBRESOLV, 1,
2977 [Define to 1 if you have the resolv library (-lresolv).])
2984 # These tell us which Kerberos-related libraries to use.
2991 if test "${with_kerberos}" != no; then
2992 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2993 if test $have_com_err = yes; then
2994 COM_ERRLIB=-lcom_err
2995 LIBS="$COM_ERRLIB $LIBS"
2996 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2998 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2999 if test $have_crypto = yes; then
3001 LIBS="$CRYPTOLIB $LIBS"
3002 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3004 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3005 if test $have_k5crypto = yes; then
3006 CRYPTOLIB=-lk5crypto
3007 LIBS="$CRYPTOLIB $LIBS"
3008 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3010 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3011 if test $have_krb5=yes; then
3013 LIBS="$KRB5LIB $LIBS"
3014 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3016 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3017 if test "${with_kerberos5}" = no; then
3018 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3019 if test $have_des425 = yes; then
3021 LIBS="$DESLIB $LIBS"
3022 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3024 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3025 if test $have_des = yes; then
3027 LIBS="$DESLIB $LIBS"
3028 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3031 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3032 if test $have_krb4 = yes; then
3034 LIBS="$KRB4LIB $LIBS"
3035 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3037 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3038 if test $have_krb = yes; then
3040 LIBS="$KRB4LIB $LIBS"
3041 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3046 if test "${with_kerberos5}" != no; then
3047 AC_CHECK_HEADERS(krb5.h,
3048 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3049 [#include <krb5.h>])])
3051 AC_CHECK_HEADERS(des.h,,
3052 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3053 [AC_CHECK_HEADERS(kerberos/des.h)])])
3054 AC_CHECK_HEADERS(krb.h,,
3055 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3056 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3058 AC_CHECK_HEADERS(com_err.h)
3061 AC_SUBST(COM_ERRLIB)
3067 AC_MSG_CHECKING(whether localtime caches TZ)
3068 AC_CACHE_VAL(emacs_cv_localtime_cache,
3069 [if test x$ac_cv_func_tzset = xyes; then
3070 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3071 char TZ_GMT0[] = "TZ=GMT0";
3072 char TZ_PST8[] = "TZ=PST8";
3075 time_t now = time ((time_t *) 0);
3076 int hour_GMT0, hour_unset;
3077 if (putenv (TZ_GMT0) != 0)
3079 hour_GMT0 = localtime (&now)->tm_hour;
3081 hour_unset = localtime (&now)->tm_hour;
3082 if (putenv (TZ_PST8) != 0)
3084 if (localtime (&now)->tm_hour == hour_GMT0)
3087 if (localtime (&now)->tm_hour != hour_unset)
3090 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3091 [# If we have tzset, assume the worst when cross-compiling.
3092 emacs_cv_localtime_cache=yes])
3094 # If we lack tzset, report that localtime does not cache TZ,
3095 # since we can't invalidate the cache if we don't have tzset.
3096 emacs_cv_localtime_cache=no
3098 AC_MSG_RESULT($emacs_cv_localtime_cache)
3099 if test $emacs_cv_localtime_cache = yes; then
3100 AC_DEFINE(LOCALTIME_CACHE, 1,
3101 [Define to 1 if localtime caches TZ.])
3104 if test "x$HAVE_TIMEVAL" = xyes; then
3105 AC_CHECK_FUNCS(gettimeofday)
3106 if test $ac_cv_func_gettimeofday = yes; then
3107 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3108 emacs_cv_gettimeofday_two_arguments,
3109 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3110 #ifdef TIME_WITH_SYS_TIME
3111 #include <sys/time.h>
3114 #ifdef HAVE_SYS_TIME_H
3115 #include <sys/time.h>
3120 [[struct timeval time;
3121 gettimeofday (&time, 0);]])],
3122 emacs_cv_gettimeofday_two_arguments=yes,
3123 emacs_cv_gettimeofday_two_arguments=no)])
3124 if test $emacs_cv_gettimeofday_two_arguments = no; then
3125 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3126 [Define to 1 if gettimeofday accepts only one argument.])
3132 AC_CHECK_FUNC(socket, , ok_so_far=no)
3133 if test $ok_so_far = yes; then
3134 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3136 if test $ok_so_far = yes; then
3137 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3139 if test $ok_so_far = yes; then
3140 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3141 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3142 [Define to 1 if you have inet sockets.])
3145 if test -f /usr/lpp/X11/bin/smt.exp; then
3146 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3147 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3150 AC_MSG_CHECKING(whether system supports dynamic ptys)
3151 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3153 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3160 AC_CHECK_FUNCS(snprintf)
3162 dnl Adapted from Haible's version.
3163 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3164 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3165 [[char* cs = nl_langinfo(CODESET);]])],
3166 emacs_cv_langinfo_codeset=yes,
3167 emacs_cv_langinfo_codeset=no)
3169 if test $emacs_cv_langinfo_codeset = yes; then
3170 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3171 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3176 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3177 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3178 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3179 if test "$emacs_cv_c_restrict_arr" = yes; then
3180 AC_DEFINE(__restrict_arr, __restrict,
3181 [Define to compiler's equivalent of C99 restrict keyword in array
3182 declarations. Define as empty for no equivalent.])
3185 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3186 dnl how the tty code is related to POSIX and/or other versions of termios.
3187 dnl The following looks like a useful start.
3189 dnl AC_SYS_POSIX_TERMIOS
3190 dnl if test $ac_cv_sys_posix_termios = yes; then
3191 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3192 dnl and macros for terminal control.])
3193 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3196 # Set up the CFLAGS for real compilation, so we can substitute it.
3197 CFLAGS="$REAL_CFLAGS"
3198 CPPFLAGS="$REAL_CPPFLAGS"
3200 ## Hack to detect a buggy GCC version.
3201 if test "x$GCC" = xyes \
3202 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3203 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3204 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3205 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3208 version=$PACKAGE_VERSION
3210 ### Specify what sort of things we'll be editing into Makefile and config.h.
3211 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3213 AC_SUBST(configuration)
3218 AC_SUBST(exec_prefix)
3221 AC_SUBST(sharedstatedir)
3222 AC_SUBST(libexecdir)
3226 AC_SUBST(locallisppath)
3228 AC_SUBST(x_default_search_path)
3230 AC_SUBST(archlibdir)
3235 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3236 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3237 ## end of LIBX_BASE, but nothing ever set it.
3238 AC_SUBST(LD_SWITCH_X_SITE)
3239 AC_SUBST(C_SWITCH_X_SITE)
3240 AC_SUBST(GNUSTEP_CFLAGS)
3242 ## Used in lwlib/Makefile.in.
3243 AC_SUBST(X_TOOLKIT_TYPE)
3244 if test -n "${machfile}"; then
3245 M_FILE="\$(srcdir)/${machfile}"
3249 S_FILE="\$(srcdir)/${opsysfile}"
3253 AC_SUBST(ns_appbindir)
3254 AC_SUBST(ns_appresdir)
3256 AC_SUBST(GNU_OBJC_CFLAGS)
3257 AC_SUBST(OTHER_FILES)
3259 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3260 [Define to the canonical Emacs configuration name.])
3261 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3262 [Define to the options passed to configure.])
3263 if test -n "$machfile"; then
3264 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3265 [Define to the used machine dependent file.])
3267 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3268 [Define to the used os dependent file.])
3273 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3274 AC_DEFINE(HAVE_X_WINDOWS, 1,
3275 [Define to 1 if you want to use the X window system.])
3277 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3279 if test "$HAVE_XFT" = "yes"; then
3280 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3281 elif test "$HAVE_FREETYPE" = "yes"; then
3282 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3292 if test "${USE_X_TOOLKIT}" != "none" ; then
3294 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3295 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3296 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3297 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3298 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3302 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3303 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3307 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3308 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3309 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3313 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3314 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3317 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3320 AC_SUBST(WIDGET_OBJ)
3323 case "$USE_X_TOOLKIT" in
3324 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3325 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3326 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3328 AC_SUBST(TOOLKIT_LIBW)
3330 if test "$USE_X_TOOLKIT" = "none"; then
3331 LIBXT_OTHER="\$(LIBXSM)"
3332 OLDXMENU_TARGET="really-oldXMenu"
3334 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3335 OLDXMENU_TARGET="really-lwlib"
3337 AC_SUBST(LIBXT_OTHER)
3339 ## The X Menu stuff is present in the X10 distribution, but missing
3340 ## from X11. If we have X10, just use the installed library;
3341 ## otherwise, use our own copy.
3342 if test "${HAVE_X11}" = "yes" ; then
3343 AC_DEFINE(HAVE_X11, 1,
3344 [Define to 1 if you want to use version 11 of X windows.
3345 Otherwise, Emacs expects to use version 10.])
3347 if test "$USE_X_TOOLKIT" = "none"; then
3348 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3350 OLDXMENU="\${lwlibdir}/liblw.a"
3352 LIBXMENU="\$(OLDXMENU)"
3353 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3354 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3356 ## For a syntactically valid Makefile; not actually used for anything.
3357 ## See comments in src/Makefile.in.
3359 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3360 if test "${HAVE_X_WINDOWS}" = "yes"; then
3369 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3376 AC_SUBST(OLDXMENU_TARGET)
3379 AC_SUBST(LIBX_OTHER)
3380 AC_SUBST(OLDXMENU_DEPS)
3382 if test "${HAVE_MENUS}" = "yes" ; then
3383 AC_DEFINE(HAVE_MENUS, 1,
3384 [Define to 1 if you have mouse menus.
3385 (This is automatic if you use X, but the option to specify it remains.)
3386 It is also defined with other window systems that support xmenu.c.])
3389 if test "${GNU_MALLOC}" = "yes" ; then
3390 AC_DEFINE(GNU_MALLOC, 1,
3391 [Define to 1 if you want to use the GNU memory allocator.])
3395 if test "${REL_ALLOC}" = "yes" ; then
3396 AC_DEFINE(REL_ALLOC, 1,
3397 [Define REL_ALLOC if you want to use the relocating allocator for
3400 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3402 AC_SUBST(RALLOC_OBJ)
3404 if test "$opsys" = "cygwin"; then
3405 CYGWIN_OBJ="sheap.o"
3406 ## Cygwin differs because of its unexec().
3408 POST_ALLOC_OBJ=lastfile.o
3411 PRE_ALLOC_OBJ=lastfile.o
3414 AC_SUBST(CYGWIN_OBJ)
3415 AC_SUBST(PRE_ALLOC_OBJ)
3416 AC_SUBST(POST_ALLOC_OBJ)
3418 # Configure gnulib here, now that we know LIBS.
3419 gl_ASSERT_NO_GNULIB_POSIXCHECK
3420 gl_ASSERT_NO_GNULIB_TESTS
3424 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3427 ## The -headerpad option tells ld (see man page) to leave room at the
3428 ## end of the header for adding load commands. Needed for dumping.
3429 ## 0x690 is the total size of 30 segment load commands (at 56
3430 ## each); under Cocoa 31 commands are required.
3431 if test "$HAVE_NS" = "yes"; then
3432 libs_nsgui="-framework AppKit"
3438 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3440 ## This is here because src/Makefile.in did some extra fiddling around
3441 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3442 ## #ifndef LD_SWITCH_SYSTEM
3443 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3444 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3445 ## not using gcc, darwin system not on an alpha (ie darwin, since
3446 ## darwin + alpha does not occur).
3447 ## Because this was done in src/Makefile.in, the resulting part of
3448 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3449 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3450 ## rather than LD_SWITCH_SYSTEM.
3451 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3452 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3455 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
3456 ## find X at run-time.
3457 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
3458 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
3459 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3460 ## had different values in configure (in ac_link) and src/Makefile.in.
3461 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3462 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
3464 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3467 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3468 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3471 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3477 ## gnu: GNU needs its own crt0.
3478 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3480 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3481 ## library search parth, i.e. it won't search /usr/lib for libc and
3482 ## friends. Using -nostartfiles instead avoids this problem, and
3483 ## will also work on earlier NetBSD releases.
3484 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3486 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3487 ## MkLinux/LinuxPPC needs this.
3488 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3491 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3497 if test "x$ORDINARY_LINK" = "xyes"; then
3500 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3502 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3503 ## freebsd, gnu-* not on macppc|ibms390x.
3504 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3506 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3507 ## places that are difficult to figure out at make time. Fortunately,
3508 ## these same versions allow you to pass arbitrary flags on to the
3509 ## linker, so there is no reason not to use it as a linker.
3511 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3512 ## searching for libraries in its internal directories, so we have to
3513 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3514 LD_FIRSTFLAG="-nostdlib"
3517 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3518 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3520 AC_SUBST(LD_FIRSTFLAG)
3523 ## FIXME? The logic here is not precisely the same as that above.
3524 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3525 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3527 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3530 freebsd|netbsd|openbsd) LIB_GCC= ;;
3533 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3534 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3540 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3541 ## immediately undefine it again and redefine it to empty.
3542 ## Was the C_SWITCH_X_SITE part really necessary?
3543 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3549 ## Ask GCC where to find libgcc.a.
3550 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3556 ## If we're using X11/GNUstep, define some consequences.
3557 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3558 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3559 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3563 AH_TOP([/* GNU Emacs site configuration template file.
3565 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3566 Free Software Foundation, Inc.
3568 This file is part of GNU Emacs.
3570 GNU Emacs is free software: you can redistribute it and/or modify
3571 it under the terms of the GNU General Public License as published by
3572 the Free Software Foundation, either version 3 of the License, or
3573 (at your option) any later version.
3575 GNU Emacs is distributed in the hope that it will be useful,
3576 but WITHOUT ANY WARRANTY; without even the implied warranty of
3577 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3578 GNU General Public License for more details.
3580 You should have received a copy of the GNU General Public License
3581 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3584 /* No code in Emacs #includes config.h twice, but some bits of code
3585 intended to work with other packages as well (like gmalloc.c)
3586 think they can include it as many times as they like. */
3587 #ifndef EMACS_CONFIG_H
3588 #define EMACS_CONFIG_H
3592 /* On AIX 3 this must be included before any other include file. */
3595 # error "alloca not available on this machine"
3598 /* Define AMPERSAND_FULL_NAME if you use the convention
3599 that & in the full name stands for the login id. */
3600 /* Turned on June 1996 supposing nobody will mind it. */
3601 #define AMPERSAND_FULL_NAME
3603 /* `subprocesses' should be defined if you want to
3604 have code for asynchronous subprocesses
3605 (as used in M-x compile and M-x shell).
3606 Only MSDOS does not support this (it overrides
3607 this in its config_opsysfile below). */
3609 #define subprocesses
3611 /* Include the os and machine dependent files. */
3612 #include config_opsysfile
3613 #ifdef config_machfile
3614 # include config_machfile
3617 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3618 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3619 (There is probably a better place to do this, but right now the
3620 Cocoa side does this in s/darwin.h and we cannot parallel this
3621 exactly since GNUstep is multi-OS. */
3622 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3623 # define SYSTEM_PURESIZE_EXTRA 30000
3626 #ifdef emacs /* Don't do this for lib-src. */
3627 /* Tell regex.c to use a type compatible with Emacs. */
3628 #define RE_TRANSLATE_TYPE Lisp_Object
3629 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3631 /* If make_number is a macro, use it. */
3632 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3634 /* If make_number is a function, avoid it. */
3635 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3639 /* These default definitions are good for almost all machines.
3640 Any exceptions should override them in m/MACHINE.h.
3641 They must be usable in preprocessor conditionals. */
3643 #ifndef BITS_PER_CHAR
3644 #define BITS_PER_CHAR 8
3647 #ifndef BITS_PER_SHORT
3648 #define BITS_PER_SHORT 16
3651 #ifndef BITS_PER_INT
3652 #define BITS_PER_INT 32
3655 #ifndef BITS_PER_LONG
3657 #define BITS_PER_LONG 64
3659 #define BITS_PER_LONG 32
3663 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3664 #define BITS_PER_LONG_LONG 64
3667 /* Define if the compiler supports function prototypes. It may do so but
3668 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3674 #if defined __GNUC__ && (__GNUC__ > 2 \
3675 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3676 #define NO_RETURN __attribute__ ((__noreturn__))
3678 #define NO_RETURN /* nothing */
3681 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3682 #define NO_INLINE __attribute__((noinline))
3687 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3688 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3690 #define EXTERNALLY_VISIBLE
3693 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3694 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3696 # define ATTRIBUTE_FORMAT(spec) /* empty */
3699 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3700 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3701 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3703 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3704 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3707 /* Some versions of GNU/Linux define noinline in their headers. */
3712 /* These won't be used automatically yet. We also need to know, at least,
3713 that the stack is continuous. */
3715 # ifndef GC_SETJMP_WORKS
3716 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3717 # define GC_SETJMP_WORKS 1
3721 #endif /* EMACS_CONFIG_H */
3730 #### Report on what we decided to do.
3731 #### Report GTK as a toolkit, even if it doesn't use Xt.
3732 #### It makes printing result more understandable as using GTK sets
3733 #### toolkit_scroll_bars to yes by default.
3734 if test "${HAVE_GTK}" = "yes"; then
3739 if test -n "$machfile"; then
3740 and_machfile=" and \`${machfile}'"
3744 Configured for \`${canonical}'.
3746 Where should the build process find the source code? ${srcdir}
3747 What operating system and machine description files should Emacs use?
3748 \`${opsysfile}'${and_machfile}
3749 What compiler should emacs be built with? ${CC} ${CFLAGS}
3750 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3751 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3752 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3753 What window system should Emacs use? ${window_system}
3754 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3756 if test -n "${x_includes}"; then
3757 echo " Where do we find X Windows header files? ${x_includes}"
3759 echo " Where do we find X Windows header files? Standard dirs"
3761 if test -n "${x_libraries}"; then
3762 echo " Where do we find X Windows libraries? ${x_libraries}"
3764 echo " Where do we find X Windows libraries? Standard dirs"
3767 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3768 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3769 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3770 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3771 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3772 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3773 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3774 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3776 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3777 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3778 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3779 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3780 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3781 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3782 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3784 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3785 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3786 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3787 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3789 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3792 if test -n "${EMACSDATA}"; then
3793 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3795 if test -n "${EMACSDOC}"; then
3796 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3799 if test $USE_XASSERTS = yes; then
3800 echo " Compiling with asserts turned on."
3801 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3806 if test "$HAVE_NS" = "yes"; then
3808 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3809 The installed application will go to nextstep/Emacs.app and can be
3810 run or moved from there."
3811 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3812 echo "The application will be fully self-contained."
3814 echo "The lisp resources for the application will be installed under ${prefix}.
3815 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3816 to run if these resources are not installed."
3821 if test "${opsys}" = "cygwin"; then
3823 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3829 # Remove any trailing slashes in these variables.
3830 [test "${prefix}" != NONE &&
3831 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3832 test "${exec_prefix}" != NONE &&
3833 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3835 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3836 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3837 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3838 dnl (else you get "no `Makefile.am' found for any configure output").
3839 dnl This will work, but you get a config.status that is not quite right
3840 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3841 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3842 dnl it seems better to just live with the duplication.
3843 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"
3845 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3846 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3847 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3850 dnl test/ is not present in release tarfiles.
3851 opt_makefile=test/automated/Makefile
3853 if test -f $srcdir/${opt_makefile}.in; then
3854 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3855 dnl Again, it's best not to use a variable. Though you can add
3856 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3857 AC_CONFIG_FILES([test/automated/Makefile])
3861 dnl admin/ may or may not be present.
3862 opt_makefile=admin/unidata/Makefile
3864 if test -f $srcdir/${opt_makefile}.in; then
3865 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3866 AC_CONFIG_FILES([admin/unidata/Makefile])
3870 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3872 AC_SUBST(SUBDIR_MAKEFILES_IN)
3874 dnl Make the necessary directories, if they don't exist.
3875 AC_CONFIG_COMMANDS([mkdirs], [
3876 for dir in etc lisp ; do
3877 test -d ${dir} || mkdir ${dir}
3881 dnl You might wonder (I did) why epaths.h is generated by running make,
3882 dnl rather than just letting configure generate it from epaths.in.
3883 dnl One reason is that the various paths are not fully expanded (see above);
3884 dnl eg gamedir=${prefix}/var/games/emacs.
3885 dnl Secondly, the GNU Coding standards require that one should be able
3886 dnl to run `make prefix=/some/where/else' and override the values set
3887 dnl by configure. This also explains the `move-if-change' test and
3888 dnl the use of force in the `epaths-force' rule in Makefile.in.
3889 AC_CONFIG_COMMANDS([epaths], [
3890 echo creating src/epaths.h
3891 ${MAKE-make} epaths-force
3892 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
3894 AC_CONFIG_COMMANDS([gdbinit], [
3895 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3896 echo creating src/.gdbinit
3897 echo source $srcdir/src/.gdbinit > src/.gdbinit
3903 dnl configure.in ends here