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? Is it really our business to decide this for the user?
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 $ns_have_nsinteger = yes; then
1571 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1574 AC_SUBST(TEMACS_LDFLAGS2)
1576 LEIM_INSTALLDIR="\${install_prefix}/leim"
1580 if test "${HAVE_NS}" = yes; then
1581 if test "$with_toolkit_scroll_bars" = "no"; then
1582 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1585 window_system=nextstep
1587 # set up packaging dirs
1588 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1589 prefix=${ns_appresdir}
1590 exec_prefix=${ns_appbindir}
1591 dnl This one isn't really used, only archlibdir is.
1592 libexecdir="\${ns_appbindir}/libexec"
1593 archlibdir="\${ns_appbindir}/libexec"
1594 LEIM_INSTALLDIR="\${ns_appresdir}/leim"
1596 ns_frag=$srcdir/src/ns.mk
1597 NS_OBJ="fontset.o fringe.o image.o"
1598 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1600 CFLAGS="$tmp_CFLAGS"
1601 CPPFLAGS="$tmp_CPPFLAGS"
1602 AC_SUBST(LEIM_INSTALLDIR)
1604 AC_SUBST(NS_OBJC_OBJ)
1605 AC_SUBST(LIB_STANDARD)
1606 AC_SUBST_FILE(ns_frag)
1608 case "${window_system}" in
1612 case "${with_x_toolkit}" in
1613 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1614 motif ) USE_X_TOOLKIT=MOTIF ;;
1616 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1617 dnl USE_X_TOOLKIT is set.
1618 USE_X_TOOLKIT=none ;;
1619 gtk3 ) with_gtk3=yes
1620 USE_X_TOOLKIT=none ;;
1621 no ) USE_X_TOOLKIT=none ;;
1622 dnl If user did not say whether to use a toolkit, make this decision later:
1623 dnl use the toolkit if we have gtk, or X11R5 or newer.
1624 * ) USE_X_TOOLKIT=maybe ;;
1634 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1635 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1636 if test "$HAVE_XSERVER" = true ||
1637 test -n "$DISPLAY" ||
1638 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1639 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1640 were found. You should install the relevant development files for X
1641 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1642 sure you have development files for image handling, i.e.
1643 tiff, gif, jpeg, png and xpm.
1644 If you are sure you want Emacs compiled without X window support, pass
1650 ### If we're using X11, we should use the X menu package.
1653 yes ) HAVE_MENUS=yes ;;
1656 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1657 # Assume not, until told otherwise.
1661 [whether malloc is Doug Lea style],
1662 [emacs_cv_var_doug_lea_malloc],
1665 [[#include <malloc.h>
1666 static void hook (void) {}]],
1667 [[malloc_set_state (malloc_get_state ());
1668 __after_morecore_hook = hook;
1669 __malloc_initialize_hook = hook;]])],
1670 [emacs_cv_var_doug_lea_malloc=yes],
1671 [emacs_cv_var_doug_lea_malloc=no])])
1672 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1675 dnl See comments in aix4-2.h about maybe using system malloc there.
1678 ## darwin ld insists on the use of malloc routines in the System framework.
1679 darwin|sol2-10) system_malloc=yes ;;
1682 if test "${system_malloc}" = "yes"; then
1683 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1686 (The GNU allocators don't work with this system configuration.)"
1690 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1691 VMLIMIT_OBJ=vm-limit.o
1693 AC_SUBST(GMALLOC_OBJ)
1694 AC_SUBST(VMLIMIT_OBJ)
1696 if test "$doug_lea_malloc" = "yes" ; then
1697 if test "$GNU_MALLOC" = yes ; then
1699 (Using Doug Lea's new malloc from the GNU C Library.)"
1701 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1702 [Define to 1 if you are using the GNU C Library.])
1704 ## Use mmap directly for allocating larger buffers.
1705 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1706 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1707 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1709 gnu*) REL_ALLOC=no ;;
1713 if test x"${REL_ALLOC}" = x; then
1714 REL_ALLOC=${GNU_MALLOC}
1717 use_mmap_for_buffers=no
1719 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1723 if test $use_mmap_for_buffers = yes; then
1724 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1728 LIBS="$LIBS_SYSTEM $LIBS"
1730 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1731 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1732 AC_CHECK_LIB(dnet, dnet_ntoa)
1733 dnl This causes -lresolv to get used in subsequent tests,
1734 dnl which causes failures on some systems such as HPUX 9.
1735 dnl AC_CHECK_LIB(resolv, gethostbyname)
1737 dnl FIXME replace main with a function we actually want from this library.
1738 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1740 dnl Check if pthreads is available.
1742 AC_CHECK_HEADERS(pthread.h)
1743 if test "$ac_cv_header_pthread_h"; then
1744 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1745 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1746 dnl testing for pthread_self if Emacs uses gmalloc.c.
1747 if test "$GMALLOC_OBJ" = gmalloc.o; then
1748 emacs_pthread_function=pthread_atfork
1750 emacs_pthread_function=pthread_self
1752 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1754 if test "$HAVE_PTHREAD" = yes; then
1755 case "${canonical}" in
1757 *) LIB_PTHREAD="-lpthread"
1758 LIBS="$LIB_PTHREAD $LIBS" ;;
1760 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1762 AC_SUBST([LIB_PTHREAD])
1764 AC_CHECK_LIB(pthreads, cma_open)
1766 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1767 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1768 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1769 ## added to LIBS in configure would never contain the pthreads part,
1770 ## but the value used in Makefiles might. FIXME?
1772 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1773 ## be harmless on older versions of X where it happens to exist.
1774 test "$opsys" = "aix4-2" && \
1775 test $ac_cv_lib_pthreads_cma_open = yes && \
1776 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1778 dnl Check for need for bigtoc support on IBM AIX
1782 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1784 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1785 *) gdb_cv_bigtoc=-bbigtoc ;;
1788 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1789 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1794 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1795 # used for the tests that follow. We set them back to REAL_CFLAGS and
1796 # REAL_CPPFLAGS later on.
1798 REAL_CFLAGS="$CFLAGS"
1799 REAL_CPPFLAGS="$CPPFLAGS"
1801 if test "${HAVE_X11}" = "yes"; then
1802 DEFS="$C_SWITCH_X_SITE $DEFS"
1803 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1805 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1806 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1808 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1809 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1810 # but it's more convenient here to set LD_RUN_PATH since this
1811 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1812 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1813 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1817 if test "${opsys}" = "gnu-linux"; then
1818 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1819 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1820 [[XOpenDisplay ("foo");]])],
1821 [xgnu_linux_first_failure=no],
1822 [xgnu_linux_first_failure=yes])
1823 if test "${xgnu_linux_first_failure}" = "yes"; then
1824 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1825 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1826 OLD_CPPFLAGS="$CPPFLAGS"
1828 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1829 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1830 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1831 LIBS="$LIBS -b i486-linuxaout"
1832 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1833 [[XOpenDisplay ("foo");]])],
1834 [xgnu_linux_second_failure=no],
1835 [xgnu_linux_second_failure=yes])
1836 if test "${xgnu_linux_second_failure}" = "yes"; then
1837 # If we get the same failure with -b, there is no use adding -b.
1838 # So take it out. This plays safe.
1839 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1840 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1841 CPPFLAGS="$OLD_CPPFLAGS"
1852 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1853 # header files included from there.
1854 AC_MSG_CHECKING(for Xkb)
1855 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1856 #include <X11/XKBlib.h>]],
1857 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1858 emacs_xkb=yes, emacs_xkb=no)
1859 AC_MSG_RESULT($emacs_xkb)
1860 if test $emacs_xkb = yes; then
1861 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1864 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1865 XScreenNumberOfScreen XSetWMProtocols)
1868 if test "${window_system}" = "x11"; then
1869 AC_MSG_CHECKING(X11 version 6)
1870 AC_CACHE_VAL(emacs_cv_x11_version_6,
1871 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1872 [[#if XlibSpecificationRelease < 6
1875 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1876 if test $emacs_cv_x11_version_6 = yes; then
1877 AC_MSG_RESULT(6 or newer)
1878 AC_DEFINE(HAVE_X11R6, 1,
1879 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1880 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1881 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1885 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1886 [Define if you have usable X11R6-style XIM support.])
1890 AC_MSG_RESULT(before 6)
1895 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1897 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1898 if test "${with_rsvg}" != "no"; then
1899 RSVG_REQUIRED=2.11.0
1900 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1902 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1903 AC_SUBST(RSVG_CFLAGS)
1906 if test $HAVE_RSVG = yes; then
1907 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1908 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1909 LIBS="$RSVG_LIBS $LIBS"
1915 if test "${HAVE_X11}" = "yes"; then
1916 if test "${with_imagemagick}" != "no"; then
1917 ## 6.2.8 is the earliest version known to work, but earlier versions
1918 ## might work - let us know if you find one.
1919 ## 6.0.7 does not work. See bug#7955.
1920 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1921 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1922 AC_SUBST(IMAGEMAGICK_CFLAGS)
1923 AC_SUBST(IMAGEMAGICK_LIBS)
1925 if test $HAVE_IMAGEMAGICK = yes; then
1926 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1927 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1928 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1929 AC_CHECK_FUNCS(MagickExportImagePixels)
1937 if test "${with_gtk3}" = "yes"; then
1940 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1942 dnl Checks for libraries.
1943 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1944 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1945 AC_MSG_ERROR($GTK_PKG_ERRORS)
1947 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1948 GTK_OBJ=emacsgtkfixed.o
1951 if test "$pkg_check_gtk" != "yes"; then
1953 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1956 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1958 dnl Checks for libraries.
1959 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1960 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1961 AC_MSG_ERROR($GTK_PKG_ERRORS)
1966 if test x"$pkg_check_gtk" = xyes; then
1968 AC_SUBST(GTK_CFLAGS)
1970 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1971 CFLAGS="$CFLAGS $GTK_CFLAGS"
1972 LIBS="$GTK_LIBS $LIBS"
1973 dnl Try to compile a simple GTK program.
1975 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1976 if test "${GTK_COMPILES}" != "yes"; then
1977 if test "$USE_X_TOOLKIT" != "maybe"; then
1978 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1982 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1983 GTK_OBJ="gtkutil.o $GTK_OBJ"
1985 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1988 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1989 closing open displays. This is no problem if you just use
1990 one display, but if you use more than one and close one of them
2000 if test "${HAVE_GTK}" = "yes"; then
2002 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2003 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2004 if test "$with_toolkit_scroll_bars" != no; then
2005 with_toolkit_scroll_bars=yes
2008 dnl Check if we have the old file selection dialog declared and
2009 dnl in the link library. In 2.x it may be in the library,
2010 dnl but not declared if deprecated featured has been selected out.
2011 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2012 HAVE_GTK_FILE_SELECTION=no
2013 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2014 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2015 #include <gtk/gtk.h>])
2016 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2017 AC_CHECK_FUNCS(gtk_file_selection_new)
2021 dnl Check for functions introduced in 2.14 and later.
2022 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2023 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2024 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2025 gtk_orientable_set_orientation \
2026 gtk_window_set_has_resize_grip)
2029 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2030 dnl other platforms.
2033 if test "${with_dbus}" = "yes"; then
2034 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2035 if test "$HAVE_DBUS" = yes; then
2036 LIBS="$LIBS $DBUS_LIBS"
2037 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2038 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2039 dnl dbus_validate_* have been introduced in D-Bus 1.5.12.
2040 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2041 dbus_validate_bus_name \
2042 dbus_validate_path \
2043 dbus_validate_interface \
2044 dbus_validate_member)
2050 dnl GSettings has been tested under GNU/Linux only.
2052 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2053 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2054 if test "$HAVE_GSETTINGS" = "yes"; then
2055 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2056 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2057 SETTINGS_LIBS="$GSETTINGS_LIBS"
2061 dnl GConf has been tested under GNU/Linux only.
2062 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2064 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2065 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2066 if test "$HAVE_GCONF" = yes; then
2067 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2068 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2069 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2070 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2074 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2075 SAVE_CFLAGS="$CFLAGS"
2077 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2078 LIBS="$SETTINGS_LIBS $LIBS"
2079 AC_CHECK_FUNCS([g_type_init])
2080 CFLAGS="$SAVE_CFLAGS"
2083 AC_SUBST(SETTINGS_CFLAGS)
2084 AC_SUBST(SETTINGS_LIBS)
2087 dnl SELinux is available for GNU/Linux only.
2090 if test "${with_selinux}" = "yes"; then
2091 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2092 if test "$HAVE_LIBSELINUX" = yes; then
2093 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2094 LIBSELINUX_LIBS=-lselinux
2097 AC_SUBST(LIBSELINUX_LIBS)
2100 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2101 if test "${with_gnutls}" = "yes" ; then
2102 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2103 if test "${HAVE_GNUTLS}" = "yes"; then
2104 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2107 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2108 LIBS="$LIBGNUTLS_LIBS $LIBS"
2109 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2111 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2112 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2116 AC_SUBST(LIBGNUTLS_LIBS)
2117 AC_SUBST(LIBGNUTLS_CFLAGS)
2119 dnl Do not put whitespace before the #include statements below.
2120 dnl Older compilers (eg sunos4 cc) choke on it.
2123 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2124 if test "$with_xaw3d" != no; then
2125 AC_MSG_CHECKING(for xaw3d)
2126 AC_CACHE_VAL(emacs_cv_xaw3d,
2127 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2128 #include <X11/Intrinsic.h>
2129 #include <X11/Xaw3d/Simple.h>]],
2131 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2132 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2133 emacs_cv_xaw3d=no)])
2137 if test $emacs_cv_xaw3d = yes; then
2138 AC_MSG_RESULT([yes; using Lucid toolkit])
2142 AC_DEFINE(HAVE_XAW3D, 1,
2143 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2146 AC_MSG_CHECKING(for libXaw)
2147 AC_CACHE_VAL(emacs_cv_xaw,
2148 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2149 #include <X11/Intrinsic.h>
2150 #include <X11/Xaw/Simple.h>]],
2154 if test $emacs_cv_xaw = yes; then
2155 AC_MSG_RESULT([yes; using Lucid toolkit])
2158 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2159 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2161 AC_MSG_ERROR([No X toolkit could be found.
2162 If you are sure you want Emacs compiled without an X toolkit, pass
2164 to configure. Otherwise, install the development libraries for the toolkit
2165 that you want to use (e.g. Gtk+) and re-run configure.])
2170 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2173 if test "${USE_X_TOOLKIT}" != "none"; then
2174 AC_MSG_CHECKING(X11 toolkit version)
2175 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2176 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2177 [[#if XtSpecificationRelease < 6
2180 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2181 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2182 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2183 AC_MSG_RESULT(6 or newer)
2184 AC_DEFINE(HAVE_X11XTR6, 1,
2185 [Define to 1 if you have the X11R6 or newer version of Xt.])
2186 LIBXTR6="-lSM -lICE"
2188 ## Use libw.a along with X11R6 Xt.
2189 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2192 AC_MSG_RESULT(before 6)
2195 dnl If using toolkit, check whether libXmu.a exists.
2196 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2198 if test x$HAVE_X11XTR6 = xyes; then
2199 LIBS="-lXt -lSM -lICE $LIBS"
2203 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2204 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2208 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2209 dnl Why not just test for libxmu in the normal way?
2212 ## These systems don't supply Xmu.
2214 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2219 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2220 if test "${HAVE_X11}" = "yes"; then
2221 if test "${USE_X_TOOLKIT}" != "none"; then
2222 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2227 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2228 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2229 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2230 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2233 Motif version prior to 2.1.
2235 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2236 if test $emacs_cv_motif_version_2_1 = yes; then
2237 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2239 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2240 # We put this in CFLAGS temporarily to precede other -I options
2241 # that might be in CFLAGS temporarily.
2242 # We put this in CPPFLAGS where it precedes the other -I options.
2243 OLD_CPPFLAGS=$CPPFLAGS
2245 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2246 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2247 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2249 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2250 if test $emacs_cv_lesstif = yes; then
2251 # Make sure this -I option remains in CPPFLAGS after it is set
2252 # back to REAL_CPPFLAGS.
2253 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2254 # have those other -I options anyway. Ultimately, having this
2255 # directory ultimately in CPPFLAGS will be enough.
2256 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2257 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2260 CPPFLAGS=$OLD_CPPFLAGS
2263 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2264 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2267 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2268 dnl using Motif or Xaw3d is available, and unless
2269 dnl --with-toolkit-scroll-bars=no was specified.
2271 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2272 [Define to 1 if we should use toolkit scroll bars.])dnl
2273 USE_TOOLKIT_SCROLL_BARS=no
2274 if test "${with_toolkit_scroll_bars}" != "no"; then
2275 if test "${USE_X_TOOLKIT}" != "none"; then
2276 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2277 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2279 USE_TOOLKIT_SCROLL_BARS=yes
2280 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2281 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2282 USE_TOOLKIT_SCROLL_BARS=yes
2284 elif test "${HAVE_GTK}" = "yes"; then
2285 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2286 USE_TOOLKIT_SCROLL_BARS=yes
2287 elif test "${HAVE_NS}" = "yes"; then
2288 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2289 USE_TOOLKIT_SCROLL_BARS=yes
2293 dnl See if XIM is available.
2294 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2295 #include <X11/Xlib.h>
2296 #include <X11/Xresource.h>]],
2297 [[XIMProc callback;]])],
2299 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2302 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2304 if test "${with_xim}" != "no"; then
2305 AC_DEFINE(USE_XIM, 1,
2306 [Define to 1 if we should use XIM, if it is available.])
2310 if test "${HAVE_XIM}" != "no"; then
2312 if test "$GCC" = yes; then
2313 CFLAGS="$CFLAGS --pedantic-errors"
2315 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2316 #include <X11/Xlib.h>
2317 #include <X11/Xresource.h>]],
2323 XPointer *client_data;
2325 /* If we're not using GCC, it's probably not XFree86, and this is
2326 probably right, but we can't use something like --pedantic-errors. */
2327 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2328 char*, XIMProc, XPointer*);
2330 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2332 [emacs_cv_arg6_star=yes])
2333 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2334 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2335 either XPointer or XPointer*.])dnl
2336 if test "$emacs_cv_arg6_star" = yes; then
2337 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2339 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2344 ### Start of font-backend (under any platform) section.
2345 # (nothing here yet -- this is a placeholder)
2346 ### End of font-backend (under any platform) section.
2348 ### Start of font-backend (under X11) section.
2349 if test "${HAVE_X11}" = "yes"; then
2350 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2352 ## Use -lXft if available, unless `--with-xft=no'.
2354 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2357 if test "x${with_xft}" != "xno"; then
2359 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2360 ## Because xftfont.c uses XRenderQueryExtension, we also
2361 ## need to link to -lXrender.
2363 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2364 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2365 OLD_CPPFLAGS="$CPPFLAGS"
2366 OLD_CFLAGS="$CFLAGS"
2368 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2369 CFLAGS="$CFLAGS $XFT_CFLAGS"
2370 XFT_LIBS="-lXrender $XFT_LIBS"
2371 LIBS="$XFT_LIBS $LIBS"
2372 AC_CHECK_HEADER(X11/Xft/Xft.h,
2373 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2375 if test "${HAVE_XFT}" = "yes"; then
2376 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2378 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2380 CPPFLAGS="$OLD_CPPFLAGS"
2381 CFLAGS="$OLD_CFLAGS"
2383 fi # "${HAVE_XFT}" = "yes"
2384 fi # "$HAVE_XFT" != no
2385 fi # "x${with_xft}" != "xno"
2387 ## We used to allow building with FreeType and without Xft.
2388 ## However, the ftx font backend driver is not in good shape.
2389 if test "$HAVE_XFT" != "yes"; then
2390 dnl For the "Does Emacs use" message at the end.
2394 dnl Strict linkers fail with
2395 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2396 dnl if -lfreetype is not specified.
2397 dnl The following is needed to set FREETYPE_LIBS.
2398 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2401 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2405 if test "${HAVE_FREETYPE}" = "yes"; then
2406 AC_DEFINE(HAVE_FREETYPE, 1,
2407 [Define to 1 if using the freetype and fontconfig libraries.])
2408 if test "${with_libotf}" != "no"; then
2409 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2411 if test "$HAVE_LIBOTF" = "yes"; then
2412 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2413 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2414 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2415 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2416 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2417 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2418 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2422 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2423 dnl Does the new font backend require it, or can it work without it?
2427 if test "${HAVE_LIBOTF}" = yes; then
2428 if test "${with_m17n_flt}" != "no"; then
2429 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2430 if test "$HAVE_M17N_FLT" = "yes"; then
2431 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2442 ### End of font-backend (under X11) section.
2444 AC_SUBST(FREETYPE_CFLAGS)
2445 AC_SUBST(FREETYPE_LIBS)
2446 AC_SUBST(FONTCONFIG_CFLAGS)
2447 AC_SUBST(FONTCONFIG_LIBS)
2448 AC_SUBST(LIBOTF_CFLAGS)
2449 AC_SUBST(LIBOTF_LIBS)
2450 AC_SUBST(M17N_FLT_CFLAGS)
2451 AC_SUBST(M17N_FLT_LIBS)
2453 ### Use -lXpm if available, unless `--with-xpm=no'.
2456 if test "${HAVE_X11}" = "yes"; then
2457 if test "${with_xpm}" != "no"; then
2458 AC_CHECK_HEADER(X11/xpm.h,
2459 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2460 if test "${HAVE_XPM}" = "yes"; then
2461 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2462 AC_EGREP_CPP(no_return_alloc_pixels,
2463 [#include "X11/xpm.h"
2464 #ifndef XpmReturnAllocPixels
2465 no_return_alloc_pixels
2467 ], HAVE_XPM=no, HAVE_XPM=yes)
2469 if test "${HAVE_XPM}" = "yes"; then
2477 if test "${HAVE_XPM}" = "yes"; then
2478 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2484 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2487 if test "${HAVE_X11}" = "yes"; then
2488 if test "${with_jpeg}" != "no"; then
2489 dnl Checking for jpeglib.h can lose because of a redefinition of
2491 AC_CHECK_HEADER(jerror.h,
2492 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2495 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2496 if test "${HAVE_JPEG}" = "yes"; then
2497 AC_DEFINE(HAVE_JPEG)
2498 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2499 [#include <jpeglib.h>
2500 version=JPEG_LIB_VERSION
2502 [AC_DEFINE(HAVE_JPEG)],
2503 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2506 if test "${HAVE_JPEG}" = "yes"; then
2512 ### Use -lpng if available, unless `--with-png=no'.
2515 if test "${HAVE_X11}" = "yes"; then
2516 if test "${with_png}" != "no"; then
2517 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2518 # in /usr/include/libpng.
2519 AC_CHECK_HEADERS(png.h libpng/png.h)
2520 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2521 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2525 if test "${HAVE_PNG}" = "yes"; then
2526 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2527 LIBPNG="-lpng -lz -lm"
2532 ### Use -ltiff if available, unless `--with-tiff=no'.
2535 if test "${HAVE_X11}" = "yes"; then
2536 if test "${with_tiff}" != "no"; then
2537 AC_CHECK_HEADER(tiffio.h,
2539 # At least one tiff package requires the jpeg library.
2540 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2541 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2544 if test "${HAVE_TIFF}" = "yes"; then
2545 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2546 dnl FIXME -lz -lm, as per libpng?
2552 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2555 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2556 AC_CHECK_HEADER(gif_lib.h,
2557 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2558 # Earlier versions can crash Emacs.
2559 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2561 if test "$HAVE_GIF" = yes; then
2563 elif test "$HAVE_GIF" = maybe; then
2564 # If gif_lib.h but no libgif, try libungif.
2565 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2566 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2569 if test "${HAVE_GIF}" = "yes"; then
2570 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2575 dnl Check for required libraries.
2576 if test "${HAVE_X11}" = "yes"; then
2579 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2580 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2581 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2582 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2583 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2584 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2585 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2586 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2587 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2588 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2590 if test "X${MISSING}" != X; then
2591 AC_MSG_ERROR([The following required libraries were not found:
2593 Maybe some development libraries/packages are missing?
2594 If you don't want to link with them give
2596 as options to configure])
2600 ### Use -lgpm if available, unless `--with-gpm=no'.
2603 if test "${with_gpm}" != "no"; then
2604 AC_CHECK_HEADER(gpm.h,
2605 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2607 if test "${HAVE_GPM}" = "yes"; then
2608 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2614 dnl Check for malloc/malloc.h on darwin
2615 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.])])
2618 ### Use NeXTstep API to implement GUI.
2619 if test "${HAVE_NS}" = "yes"; then
2620 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2621 if test "${NS_IMPL_COCOA}" = "yes"; then
2622 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2624 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2625 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2626 # See also .m.o rule in Makefile.in */
2627 # FIXME: are all these flags really needed? Document here why. */
2628 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2629 ## Extra CFLAGS applied to src/*.m files.
2630 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2632 # We also have mouse menus.
2638 ### Use session management (-lSM -lICE) if available
2641 if test "${HAVE_X11}" = "yes"; then
2642 AC_CHECK_HEADER(X11/SM/SMlib.h,
2643 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2645 if test "${HAVE_X_SM}" = "yes"; then
2646 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2650 *) LIBS="$LIBXSM $LIBS" ;;
2656 ### Use libxml (-lxml2) if available
2658 if test "${with_xml2}" != "no"; then
2659 ### I'm not sure what the version number should be, so I just guessed.
2660 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2661 if test "${HAVE_LIBXML2}" = "yes"; then
2662 LIBS="$LIBXML2_LIBS $LIBS"
2663 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2664 if test "${HAVE_LIBXML2}" = "yes"; then
2665 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2672 AC_SUBST(LIBXML2_LIBS)
2673 AC_SUBST(LIBXML2_CFLAGS)
2675 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2676 AC_CACHE_CHECK(whether netdb declares h_errno,
2677 emacs_cv_netdb_declares_h_errno,
2678 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2679 [[return h_errno;]])],
2680 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2681 if test $emacs_cv_netdb_declares_h_errno = yes; then
2682 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2685 # fmod, logb, and frexp are found in -lm on most systems.
2686 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2687 AC_CHECK_LIB(m, sqrt)
2689 # Check for mail-locking functions in a "mail" library. Probably this should
2690 # have the same check as for liblockfile below.
2691 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2692 if test $have_mail = yes; then
2694 LIBS="$LIBS_MAIL $LIBS"
2695 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2699 dnl Debian, at least:
2700 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2701 if test $have_lockfile = yes; then
2702 LIBS_MAIL=-llockfile
2703 LIBS="$LIBS_MAIL $LIBS"
2704 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2706 # If we have the shared liblockfile, assume we must use it for mail
2707 # locking (e.g. Debian). If we couldn't link against liblockfile
2708 # (no liblockfile.a installed), ensure that we don't need to.
2709 dnl This works for files generally, not just executables.
2710 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2711 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2712 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2713 if test $ac_cv_prog_liblockfile = yes; then
2714 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2715 This probably means that movemail could lose mail.
2716 There may be a `development' package to install containing liblockfile.])
2719 AC_CHECK_FUNCS(touchlock)
2720 AC_CHECK_HEADERS(maillock.h)
2723 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2724 ## interlock access to the mail spool. The alternative is a lock file named
2725 ## /usr/spool/mail/$USER.lock.
2728 aix4-2) mail_lock="lockf" ;;
2730 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2732 ## On GNU/Linux systems, both methods are used by various mail programs.
2733 ## I assume most people are using newer mailers that have heard of flock.
2734 ## Change this if you need to.
2735 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2736 ## configure gets the right answers, and that means *NOT* using flock.
2737 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2738 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2739 ## Debian maintainer hasn't provided a clean fix for Emacs.
2740 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2741 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2742 ## correct logic. -- fx
2743 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2744 ## liblockfile is a Free Software replacement for libmail, used on
2745 ## Debian systems and elsewhere. -rfr.
2748 if test $have_mail = yes || test $have_lockfile = yes; then
2749 test $ac_cv_header_maillock_h = yes && mail_lock=no
2755 case "$mail_lock" in
2756 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2758 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2760 *) BLESSMAIL_TARGET="need-blessmail" ;;
2762 AC_SUBST(BLESSMAIL_TARGET)
2765 AC_CHECK_FUNCS(gethostname getdomainname \
2766 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2767 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2768 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2769 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2770 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2771 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2772 gai_strerror mkstemp getline getdelim mremap fsync sync \
2773 difftime mempcpy mblen mbrlen posix_memalign \
2774 getpwent endpwent getgrent endgrent \
2775 cfmakeraw cfsetspeed copysign __executable_start)
2777 dnl Cannot use AC_CHECK_FUNCS
2778 AC_CACHE_CHECK([for __builtin_unwind_init],
2779 emacs_cv_func___builtin_unwind_init,
2780 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2781 emacs_cv_func___builtin_unwind_init=yes,
2782 emacs_cv_func___builtin_unwind_init=no)])
2783 if test $emacs_cv_func___builtin_unwind_init = yes; then
2784 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2785 [Define to 1 if you have the `__builtin_unwind_init' function.])
2788 AC_CHECK_HEADERS(sys/un.h)
2795 AC_CHECK_FUNCS(grantpt)
2797 # PTY-related GNU extensions.
2798 AC_CHECK_FUNCS(getpt)
2800 # Check this now, so that we will NOT find the above functions in ncurses.
2801 # That is because we have not set up to link ncurses in lib-src.
2802 # It's better to believe a function is not available
2803 # than to expect to find it in ncurses.
2804 # Also we need tputs and friends to be able to build at all.
2805 AC_MSG_CHECKING([for library containing tputs])
2806 # Run a test program that contains a call to tputs, a call that is
2807 # never executed. This tests whether a pre-'main' dynamic linker
2808 # works with the library. It's too much trouble to actually call
2809 # tputs in the test program, due to portability hassles. When
2810 # cross-compiling, assume the test program will run if it links.
2811 AC_DEFUN([tputs_link_source], [
2813 [[extern void tputs (const char *, int, int (*)(int));
2814 int main (int argc, char **argv)
2817 tputs (argv[0], 0, 0);
2821 # Maybe curses should be tried earlier?
2822 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2823 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
2825 if test -z "$tputs_library"; then
2829 LIBS_TERMCAP=-l$tputs_library
2831 LIBS="$LIBS_TERMCAP $LIBS"
2833 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2834 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2836 if test "X$msg" != Xno; then
2840 AC_MSG_RESULT([$msg])
2841 if test "X$msg" = Xno; then
2842 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2843 The following libraries were tried (in order):
2844 libtinfo, libncurses, libterminfo, libtermcap, libcurses
2845 Please try installing whichever of these libraries is most appropriate
2846 for your system, together with its header files.
2847 For example, a libncurses-dev(el) or similar package.])
2850 ## Use termcap instead of terminfo?
2851 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
2853 ## FIXME? In the cases below where we unconditionally set
2854 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
2855 ## if that was found above to have tputs.
2856 ## Should we use the gnu* logic everywhere?
2858 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2859 ## The ncurses library has been moved out of the System framework in
2860 ## Mac OS X 10.2. So if configure detects it, set the command-line
2861 ## option to use it.
2862 darwin) LIBS_TERMCAP="-lncurses" ;;
2864 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
2867 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2868 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2869 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2870 [[#if __FreeBSD_version < 400000
2873 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2875 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2877 if test $emacs_cv_freebsd_terminfo = yes; then
2878 LIBS_TERMCAP="-lncurses"
2881 LIBS_TERMCAP="-ltermcap"
2886 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
2888 LIBS_TERMCAP="-ltermcap"
2892 openbsd) LIBS_TERMCAP="-lncurses" ;;
2894 ## hpux: Make sure we get select from libc rather than from libcurses
2895 ## because libcurses on HPUX 10.10 has a broken version of select.
2896 ## We used to use -lc -lcurses, but this may be cleaner.
2897 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
2898 # set that way, now it uses the default). Isn't this a contradiction?
2899 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2903 TERMCAP_OBJ=tparam.o
2904 if test $TERMINFO = yes; then
2905 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2906 TERMCAP_OBJ=terminfo.o
2908 AC_SUBST(LIBS_TERMCAP)
2909 AC_SUBST(TERMCAP_OBJ)
2912 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2914 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2915 #include <arpa/nameser.h>
2916 #include <resolv.h>]],
2917 [[return res_init();]])],
2918 have_res_init=yes, have_res_init=no)
2919 if test "$have_res_init" = no; then
2921 LIBS="$LIBS -lresolv"
2922 AC_MSG_CHECKING(for res_init with -lresolv)
2923 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2924 #include <arpa/nameser.h>
2925 #include <resolv.h>]],
2926 [[return res_init();]])],
2927 have_res_init=yes, have_res_init=no)
2928 AC_MSG_RESULT($have_res_init)
2929 if test "$have_res_init" = yes ; then
2935 if test "$have_res_init" = yes; then
2936 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2939 # Do we need the Hesiod library to provide the support routines?
2941 if test "$with_hesiod" != no ; then
2942 # Don't set $LIBS here -- see comments above. FIXME which comments?
2943 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2944 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2945 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2946 if test "$resolv" = yes ; then
2951 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2952 hesiod=yes, :, $RESOLVLIB)])
2954 if test x"$hesiod" = xyes; then
2955 AC_DEFINE(HAVE_LIBHESIOD, 1,
2956 [Define to 1 if you have the hesiod library (-lhesiod).])
2962 # Do we need libresolv (due to res_init or Hesiod)?
2963 if test "$resolv" = yes ; then
2964 AC_DEFINE(HAVE_LIBRESOLV, 1,
2965 [Define to 1 if you have the resolv library (-lresolv).])
2972 # These tell us which Kerberos-related libraries to use.
2979 if test "${with_kerberos}" != no; then
2980 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2981 if test $have_com_err = yes; then
2982 COM_ERRLIB=-lcom_err
2983 LIBS="$COM_ERRLIB $LIBS"
2984 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2986 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2987 if test $have_crypto = yes; then
2989 LIBS="$CRYPTOLIB $LIBS"
2990 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2992 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2993 if test $have_k5crypto = yes; then
2994 CRYPTOLIB=-lk5crypto
2995 LIBS="$CRYPTOLIB $LIBS"
2996 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2998 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2999 if test $have_krb5=yes; then
3001 LIBS="$KRB5LIB $LIBS"
3002 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3004 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3005 if test "${with_kerberos5}" = no; then
3006 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3007 if test $have_des425 = yes; then
3009 LIBS="$DESLIB $LIBS"
3010 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3012 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3013 if test $have_des = yes; then
3015 LIBS="$DESLIB $LIBS"
3016 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3019 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3020 if test $have_krb4 = yes; then
3022 LIBS="$KRB4LIB $LIBS"
3023 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3025 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3026 if test $have_krb = yes; then
3028 LIBS="$KRB4LIB $LIBS"
3029 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3034 if test "${with_kerberos5}" != no; then
3035 AC_CHECK_HEADERS(krb5.h,
3036 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3037 [#include <krb5.h>])])
3039 AC_CHECK_HEADERS(des.h,,
3040 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3041 [AC_CHECK_HEADERS(kerberos/des.h)])])
3042 AC_CHECK_HEADERS(krb.h,,
3043 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3044 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3046 AC_CHECK_HEADERS(com_err.h)
3049 AC_SUBST(COM_ERRLIB)
3055 AC_MSG_CHECKING(whether localtime caches TZ)
3056 AC_CACHE_VAL(emacs_cv_localtime_cache,
3057 [if test x$ac_cv_func_tzset = xyes; then
3058 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3059 char TZ_GMT0[] = "TZ=GMT0";
3060 char TZ_PST8[] = "TZ=PST8";
3063 time_t now = time ((time_t *) 0);
3064 int hour_GMT0, hour_unset;
3065 if (putenv (TZ_GMT0) != 0)
3067 hour_GMT0 = localtime (&now)->tm_hour;
3069 hour_unset = localtime (&now)->tm_hour;
3070 if (putenv (TZ_PST8) != 0)
3072 if (localtime (&now)->tm_hour == hour_GMT0)
3075 if (localtime (&now)->tm_hour != hour_unset)
3078 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3079 [# If we have tzset, assume the worst when cross-compiling.
3080 emacs_cv_localtime_cache=yes])
3082 # If we lack tzset, report that localtime does not cache TZ,
3083 # since we can't invalidate the cache if we don't have tzset.
3084 emacs_cv_localtime_cache=no
3086 AC_MSG_RESULT($emacs_cv_localtime_cache)
3087 if test $emacs_cv_localtime_cache = yes; then
3088 AC_DEFINE(LOCALTIME_CACHE, 1,
3089 [Define to 1 if localtime caches TZ.])
3092 if test "x$HAVE_TIMEVAL" = xyes; then
3093 AC_CHECK_FUNCS(gettimeofday)
3094 if test $ac_cv_func_gettimeofday = yes; then
3095 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3096 emacs_cv_gettimeofday_two_arguments,
3097 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3098 #ifdef TIME_WITH_SYS_TIME
3099 #include <sys/time.h>
3102 #ifdef HAVE_SYS_TIME_H
3103 #include <sys/time.h>
3108 [[struct timeval time;
3109 gettimeofday (&time, 0);]])],
3110 emacs_cv_gettimeofday_two_arguments=yes,
3111 emacs_cv_gettimeofday_two_arguments=no)])
3112 if test $emacs_cv_gettimeofday_two_arguments = no; then
3113 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3114 [Define to 1 if gettimeofday accepts only one argument.])
3120 AC_CHECK_FUNC(socket, , ok_so_far=no)
3121 if test $ok_so_far = yes; then
3122 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3124 if test $ok_so_far = yes; then
3125 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3127 if test $ok_so_far = yes; then
3128 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3129 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3130 [Define to 1 if you have inet sockets.])
3133 if test -f /usr/lpp/X11/bin/smt.exp; then
3134 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3135 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3138 AC_MSG_CHECKING(whether system supports dynamic ptys)
3139 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3141 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3148 AC_CHECK_FUNCS(snprintf)
3150 dnl Adapted from Haible's version.
3151 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3152 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3153 [[char* cs = nl_langinfo(CODESET);]])],
3154 emacs_cv_langinfo_codeset=yes,
3155 emacs_cv_langinfo_codeset=no)
3157 if test $emacs_cv_langinfo_codeset = yes; then
3158 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3159 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3164 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3165 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3166 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3167 if test "$emacs_cv_c_restrict_arr" = yes; then
3168 AC_DEFINE(__restrict_arr, __restrict,
3169 [Define to compiler's equivalent of C99 restrict keyword in array
3170 declarations. Define as empty for no equivalent.])
3173 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3174 dnl how the tty code is related to POSIX and/or other versions of termios.
3175 dnl The following looks like a useful start.
3177 dnl AC_SYS_POSIX_TERMIOS
3178 dnl if test $ac_cv_sys_posix_termios = yes; then
3179 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3180 dnl and macros for terminal control.])
3181 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3184 # Set up the CFLAGS for real compilation, so we can substitute it.
3185 CFLAGS="$REAL_CFLAGS"
3186 CPPFLAGS="$REAL_CPPFLAGS"
3188 ## Hack to detect a buggy GCC version.
3189 if test "x$GCC" = xyes \
3190 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3191 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3192 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3193 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3196 version=$PACKAGE_VERSION
3198 ### Specify what sort of things we'll be editing into Makefile and config.h.
3199 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3201 AC_SUBST(configuration)
3206 AC_SUBST(exec_prefix)
3209 AC_SUBST(sharedstatedir)
3210 AC_SUBST(libexecdir)
3214 AC_SUBST(locallisppath)
3216 AC_SUBST(x_default_search_path)
3218 AC_SUBST(archlibdir)
3223 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3224 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3225 ## end of LIBX_BASE, but nothing ever set it.
3226 AC_SUBST(LD_SWITCH_X_SITE)
3227 AC_SUBST(C_SWITCH_X_SITE)
3228 AC_SUBST(GNUSTEP_CFLAGS)
3230 ## Used in lwlib/Makefile.in.
3231 AC_SUBST(X_TOOLKIT_TYPE)
3232 if test -n "${machfile}"; then
3233 M_FILE="\$(srcdir)/${machfile}"
3237 S_FILE="\$(srcdir)/${opsysfile}"
3241 AC_SUBST(ns_appbindir)
3242 AC_SUBST(ns_appresdir)
3244 AC_SUBST(GNU_OBJC_CFLAGS)
3245 AC_SUBST(OTHER_FILES)
3247 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3248 [Define to the canonical Emacs configuration name.])
3249 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3250 [Define to the options passed to configure.])
3251 if test -n "$machfile"; then
3252 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3253 [Define to the used machine dependent file.])
3255 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3256 [Define to the used os dependent file.])
3261 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3262 AC_DEFINE(HAVE_X_WINDOWS, 1,
3263 [Define to 1 if you want to use the X window system.])
3265 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3267 if test "$HAVE_XFT" = "yes"; then
3268 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3269 elif test "$HAVE_FREETYPE" = "yes"; then
3270 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3280 if test "${USE_X_TOOLKIT}" != "none" ; then
3282 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3283 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3284 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3285 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3286 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3290 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3291 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3295 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3296 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3297 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3301 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3302 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3305 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3308 AC_SUBST(WIDGET_OBJ)
3311 case "$USE_X_TOOLKIT" in
3312 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3313 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3314 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3316 AC_SUBST(TOOLKIT_LIBW)
3318 if test "$USE_X_TOOLKIT" = "none"; then
3319 LIBXT_OTHER="\$(LIBXSM)"
3320 OLDXMENU_TARGET="really-oldXMenu"
3322 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3323 OLDXMENU_TARGET="really-lwlib"
3325 AC_SUBST(LIBXT_OTHER)
3327 ## The X Menu stuff is present in the X10 distribution, but missing
3328 ## from X11. If we have X10, just use the installed library;
3329 ## otherwise, use our own copy.
3330 if test "${HAVE_X11}" = "yes" ; then
3331 AC_DEFINE(HAVE_X11, 1,
3332 [Define to 1 if you want to use version 11 of X windows.
3333 Otherwise, Emacs expects to use version 10.])
3335 if test "$USE_X_TOOLKIT" = "none"; then
3336 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3338 OLDXMENU="\${lwlibdir}/liblw.a"
3340 LIBXMENU="\$(OLDXMENU)"
3341 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3342 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3344 ## For a syntactically valid Makefile; not actually used for anything.
3345 ## See comments in src/Makefile.in.
3347 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3348 if test "${HAVE_X_WINDOWS}" = "yes"; then
3357 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3364 AC_SUBST(OLDXMENU_TARGET)
3367 AC_SUBST(LIBX_OTHER)
3368 AC_SUBST(OLDXMENU_DEPS)
3370 if test "${HAVE_MENUS}" = "yes" ; then
3371 AC_DEFINE(HAVE_MENUS, 1,
3372 [Define to 1 if you have mouse menus.
3373 (This is automatic if you use X, but the option to specify it remains.)
3374 It is also defined with other window systems that support xmenu.c.])
3377 if test "${GNU_MALLOC}" = "yes" ; then
3378 AC_DEFINE(GNU_MALLOC, 1,
3379 [Define to 1 if you want to use the GNU memory allocator.])
3383 if test "${REL_ALLOC}" = "yes" ; then
3384 AC_DEFINE(REL_ALLOC, 1,
3385 [Define REL_ALLOC if you want to use the relocating allocator for
3388 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3390 AC_SUBST(RALLOC_OBJ)
3392 if test "$opsys" = "cygwin"; then
3393 CYGWIN_OBJ="sheap.o"
3394 ## Cygwin differs because of its unexec().
3396 POST_ALLOC_OBJ=lastfile.o
3399 PRE_ALLOC_OBJ=lastfile.o
3402 AC_SUBST(CYGWIN_OBJ)
3403 AC_SUBST(PRE_ALLOC_OBJ)
3404 AC_SUBST(POST_ALLOC_OBJ)
3406 # Configure gnulib here, now that we know LIBS.
3407 gl_ASSERT_NO_GNULIB_POSIXCHECK
3408 gl_ASSERT_NO_GNULIB_TESTS
3412 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3415 ## The -headerpad option tells ld (see man page) to leave room at the
3416 ## end of the header for adding load commands. Needed for dumping.
3417 ## 0x690 is the total size of 30 segment load commands (at 56
3418 ## each); under Cocoa 31 commands are required.
3419 if test "$HAVE_NS" = "yes"; then
3420 libs_nsgui="-framework AppKit"
3426 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3428 ## This is here because src/Makefile.in did some extra fiddling around
3429 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3430 ## #ifndef LD_SWITCH_SYSTEM
3431 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3432 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3433 ## not using gcc, darwin system not on an alpha (ie darwin, since
3434 ## darwin + alpha does not occur).
3435 ## Because this was done in src/Makefile.in, the resulting part of
3436 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3437 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3438 ## rather than LD_SWITCH_SYSTEM.
3439 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3440 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3443 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
3444 ## find X at run-time.
3445 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
3446 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
3447 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3448 ## had different values in configure (in ac_link) and src/Makefile.in.
3449 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3450 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
3452 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3455 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3456 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3459 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3465 ## gnu: GNU needs its own crt0.
3466 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3468 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3469 ## library search parth, i.e. it won't search /usr/lib for libc and
3470 ## friends. Using -nostartfiles instead avoids this problem, and
3471 ## will also work on earlier NetBSD releases.
3472 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3474 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3475 ## MkLinux/LinuxPPC needs this.
3476 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3479 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3485 if test "x$ORDINARY_LINK" = "xyes"; then
3488 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3490 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3491 ## freebsd, gnu-* not on macppc|ibms390x.
3492 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3494 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3495 ## places that are difficult to figure out at make time. Fortunately,
3496 ## these same versions allow you to pass arbitrary flags on to the
3497 ## linker, so there is no reason not to use it as a linker.
3499 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3500 ## searching for libraries in its internal directories, so we have to
3501 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3502 LD_FIRSTFLAG="-nostdlib"
3505 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3506 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3508 AC_SUBST(LD_FIRSTFLAG)
3511 ## FIXME? The logic here is not precisely the same as that above.
3512 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3513 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3515 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3518 freebsd|netbsd|openbsd) LIB_GCC= ;;
3521 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3522 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3528 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3529 ## immediately undefine it again and redefine it to empty.
3530 ## Was the C_SWITCH_X_SITE part really necessary?
3531 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3537 ## Ask GCC where to find libgcc.a.
3538 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3544 ## If we're using X11/GNUstep, define some consequences.
3545 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3546 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3547 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3551 AH_TOP([/* GNU Emacs site configuration template file.
3553 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3554 Free Software Foundation, Inc.
3556 This file is part of GNU Emacs.
3558 GNU Emacs is free software: you can redistribute it and/or modify
3559 it under the terms of the GNU General Public License as published by
3560 the Free Software Foundation, either version 3 of the License, or
3561 (at your option) any later version.
3563 GNU Emacs is distributed in the hope that it will be useful,
3564 but WITHOUT ANY WARRANTY; without even the implied warranty of
3565 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3566 GNU General Public License for more details.
3568 You should have received a copy of the GNU General Public License
3569 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3572 /* No code in Emacs #includes config.h twice, but some bits of code
3573 intended to work with other packages as well (like gmalloc.c)
3574 think they can include it as many times as they like. */
3575 #ifndef EMACS_CONFIG_H
3576 #define EMACS_CONFIG_H
3580 /* On AIX 3 this must be included before any other include file. */
3583 # error "alloca not available on this machine"
3586 /* Define AMPERSAND_FULL_NAME if you use the convention
3587 that & in the full name stands for the login id. */
3588 /* Turned on June 1996 supposing nobody will mind it. */
3589 #define AMPERSAND_FULL_NAME
3591 /* `subprocesses' should be defined if you want to
3592 have code for asynchronous subprocesses
3593 (as used in M-x compile and M-x shell).
3594 Only MSDOS does not support this (it overrides
3595 this in its config_opsysfile below). */
3597 #define subprocesses
3599 /* Include the os and machine dependent files. */
3600 #include config_opsysfile
3601 #ifdef config_machfile
3602 # include config_machfile
3605 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3606 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3607 (There is probably a better place to do this, but right now the
3608 Cocoa side does this in s/darwin.h and we cannot parallel this
3609 exactly since GNUstep is multi-OS. */
3610 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3611 # define SYSTEM_PURESIZE_EXTRA 30000
3614 #ifdef emacs /* Don't do this for lib-src. */
3615 /* Tell regex.c to use a type compatible with Emacs. */
3616 #define RE_TRANSLATE_TYPE Lisp_Object
3617 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3619 /* If make_number is a macro, use it. */
3620 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3622 /* If make_number is a function, avoid it. */
3623 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3627 /* These default definitions are good for almost all machines.
3628 Any exceptions should override them in m/MACHINE.h.
3629 They must be usable in preprocessor conditionals. */
3631 #ifndef BITS_PER_CHAR
3632 #define BITS_PER_CHAR 8
3635 #ifndef BITS_PER_SHORT
3636 #define BITS_PER_SHORT 16
3639 #ifndef BITS_PER_INT
3640 #define BITS_PER_INT 32
3643 #ifndef BITS_PER_LONG
3645 #define BITS_PER_LONG 64
3647 #define BITS_PER_LONG 32
3651 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3652 #define BITS_PER_LONG_LONG 64
3655 /* Define if the compiler supports function prototypes. It may do so but
3656 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3662 #if defined __GNUC__ && (__GNUC__ > 2 \
3663 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3664 #define NO_RETURN __attribute__ ((__noreturn__))
3666 #define NO_RETURN /* nothing */
3669 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3670 #define NO_INLINE __attribute__((noinline))
3675 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3676 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3678 #define EXTERNALLY_VISIBLE
3681 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3682 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3684 # define ATTRIBUTE_FORMAT(spec) /* empty */
3687 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3688 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3689 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3691 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3692 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3695 /* Some versions of GNU/Linux define noinline in their headers. */
3700 /* These won't be used automatically yet. We also need to know, at least,
3701 that the stack is continuous. */
3703 # ifndef GC_SETJMP_WORKS
3704 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3705 # define GC_SETJMP_WORKS 1
3709 #endif /* EMACS_CONFIG_H */
3718 #### Report on what we decided to do.
3719 #### Report GTK as a toolkit, even if it doesn't use Xt.
3720 #### It makes printing result more understandable as using GTK sets
3721 #### toolkit_scroll_bars to yes by default.
3722 if test "${HAVE_GTK}" = "yes"; then
3727 if test -n "$machfile"; then
3728 and_machfile=" and \`${machfile}'"
3732 Configured for \`${canonical}'.
3734 Where should the build process find the source code? ${srcdir}
3735 What operating system and machine description files should Emacs use?
3736 \`${opsysfile}'${and_machfile}
3737 What compiler should emacs be built with? ${CC} ${CFLAGS}
3738 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3739 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3740 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3741 What window system should Emacs use? ${window_system}
3742 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3744 if test -n "${x_includes}"; then
3745 echo " Where do we find X Windows header files? ${x_includes}"
3747 echo " Where do we find X Windows header files? Standard dirs"
3749 if test -n "${x_libraries}"; then
3750 echo " Where do we find X Windows libraries? ${x_libraries}"
3752 echo " Where do we find X Windows libraries? Standard dirs"
3755 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3756 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3757 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3758 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3759 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3760 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3761 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3762 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3764 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3765 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3766 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3767 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3768 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3769 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3770 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3772 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3773 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3774 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3775 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3777 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3780 if test -n "${EMACSDATA}"; then
3781 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3783 if test -n "${EMACSDOC}"; then
3784 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3787 if test $USE_XASSERTS = yes; then
3788 echo " Compiling with asserts turned on."
3789 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3794 if test "$HAVE_NS" = "yes"; then
3796 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3797 The installed application will go to nextstep/Emacs.app and can be
3798 run or moved from there."
3799 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3800 echo "The application will be fully self-contained."
3802 echo "The lisp resources for the application will be installed under ${prefix}.
3803 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3804 to run if these resources are not installed."
3809 if test "${opsys}" = "cygwin"; then
3811 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3817 # Remove any trailing slashes in these variables.
3818 [test "${prefix}" != NONE &&
3819 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3820 test "${exec_prefix}" != NONE &&
3821 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3823 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3824 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3825 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3826 dnl (else you get "no `Makefile.am' found for any configure output").
3827 dnl This will work, but you get a config.status that is not quite right
3828 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3829 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3830 dnl it seems better to just live with the duplication.
3831 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"
3833 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3834 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3835 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3838 dnl test/ is not present in release tarfiles.
3839 opt_makefile=test/automated/Makefile
3841 if test -f $srcdir/${opt_makefile}.in; then
3842 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3843 dnl Again, it's best not to use a variable. Though you can add
3844 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3845 AC_CONFIG_FILES([test/automated/Makefile])
3849 dnl admin/ may or may not be present.
3850 opt_makefile=admin/unidata/Makefile
3852 if test -f $srcdir/${opt_makefile}.in; then
3853 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3854 AC_CONFIG_FILES([admin/unidata/Makefile])
3858 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3860 AC_SUBST(SUBDIR_MAKEFILES_IN)
3862 dnl Make the necessary directories, if they don't exist.
3863 AC_CONFIG_COMMANDS([mkdirs], [
3864 for dir in etc lisp ; do
3865 test -d ${dir} || mkdir ${dir}
3869 dnl You might wonder (I did) why epaths.h is generated by running make,
3870 dnl rather than just letting configure generate it from epaths.in.
3871 dnl One reason is that the various paths are not fully expanded (see above);
3872 dnl eg gamedir=${prefix}/var/games/emacs.
3873 dnl Secondly, the GNU Coding standards require that one should be able
3874 dnl to run `make prefix=/some/where/else' and override the values set
3875 dnl by configure. This also explains the `move-if-change' test and
3876 dnl the use of force in the `epaths-force' rule in Makefile.in.
3877 AC_CONFIG_COMMANDS([epaths], [
3878 echo creating src/epaths.h
3879 ${MAKE-make} epaths-force
3880 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
3882 AC_CONFIG_COMMANDS([gdbinit], [
3883 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3884 echo creating src/.gdbinit
3885 echo source $srcdir/src/.gdbinit > src/.gdbinit
3891 dnl configure.in ends here