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, 1999-2011 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, 24.0.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
30 dnl Support for --program-prefix, --program-suffix and
31 dnl --program-transform-name options
34 dnl It is important that variables on the RHS not be expanded here,
35 dnl hence the single quotes. This is per the GNU coding standards, see
36 dnl (autoconf) Installation Directory Variables
37 dnl See also epaths.h below.
38 lispdir='${datadir}/emacs/${version}/lisp'
39 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
40 '${datadir}/emacs/site-lisp'
41 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
42 etcdir='${datadir}/emacs/${version}/etc'
43 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
44 docdir='${datadir}/emacs/${version}/etc'
45 gamedir='${localstatedir}/games/emacs'
47 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
48 dnl Create a new --with option that defaults to being disabled.
49 dnl NAME is the base name of the option. The shell variable with_NAME
50 dnl will be set to either the user's value (if the option is
51 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
52 dnl option is not specified). Note that the shell variable name is
53 dnl constructed as autoconf does, by replacing non-alphanumeric
54 dnl characters with "_".
55 dnl HELP-STRING is the help text for the option.
56 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
57 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
58 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
61 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
62 dnl Create a new --with option that defaults to being enabled. NAME
63 dnl is the base name of the option. The shell variable with_NAME
64 dnl will be set either to 'no' (for a plain --without-NAME) or to
65 dnl 'yes' (if the option is not specified). Note that the shell
66 dnl variable name is constructed as autoconf does, by replacing
67 dnl non-alphanumeric characters with "_".
68 dnl HELP-STRING is the help text for the option.
69 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
70 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
71 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
74 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
75 if test "$with_pop" = yes; then
76 AC_DEFINE(MAIL_USE_POP)
78 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
80 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
81 if test "$with_kerberos" != no; then
85 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
87 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
88 if test "${with_kerberos5}" != no; then
89 if test "${with_kerberos}" = no; then
93 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
96 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
97 dnl FIXME hesiod support may not be present, so it seems like an error
98 dnl to define, or at least use, this unconditionally.
99 if test "$with_hesiod" != no; then
100 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
103 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
104 if test "$with_mmdf" != no; then
105 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
108 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
109 if test "$with_mail_unlink" != no; then
110 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
113 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
114 [string giving default POP mail host])],
115 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
117 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
119 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
120 if test "$with_sync_input" = yes; then
121 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
124 dnl FIXME currently it is not the last.
125 dnl This should be the last --with option, because --with-x is
126 dnl added later on when we find the path of X, and it's best to
127 dnl keep them together visually.
128 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
129 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
130 [ case "${withval}" in
131 y | ye | yes ) val=gtk ;;
133 l | lu | luc | luci | lucid ) val=lucid ;;
134 a | at | ath | athe | athen | athena ) val=athena ;;
135 m | mo | mot | moti | motif ) val=motif ;;
136 g | gt | gtk ) val=gtk ;;
139 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
140 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
141 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
147 dnl _ON results in a '--without' option in the --help output, so
148 dnl the help text should refer to "don't compile", etc.
149 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
150 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
151 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
152 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
153 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
154 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
155 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
156 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
158 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
159 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
160 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
162 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
163 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
164 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
165 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
167 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
168 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
169 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
170 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
171 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
173 ## For the times when you want to build Emacs but don't have
174 ## a suitable makeinfo, and can live without the manuals.
175 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
176 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
178 ## This is an option because I do not know if all info/man support
179 ## compressed files, nor how to test if they do so.
180 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
181 if test $with_compress_info = yes; then
188 AC_ARG_WITH([pkg-config-prog],dnl
189 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
190 [path to pkg-config for finding GTK and librsvg])])
191 if test "X${with_pkg_config_prog}" != X; then
192 if test "${with_pkg_config_prog}" != yes; then
193 PKG_CONFIG="${with_pkg_config_prog}"
198 AC_ARG_WITH([crt-dir],dnl
199 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
200 The default is /usr/lib, or /usr/lib64 on some platforms.])])
201 CRT_DIR="${with_crt_dir}"
203 AC_ARG_WITH(gameuser,dnl
204 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
205 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
206 && gameuser="${with_gameuser}"
207 test "X$gameuser" = X && gameuser=games
209 AC_ARG_WITH([gnustep-conf],dnl
210 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
211 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
212 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
213 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
214 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
216 AC_ARG_ENABLE(ns-self-contained,
217 [AS_HELP_STRING([--disable-ns-self-contained],
218 [disable self contained build under NeXTstep])],
219 EN_NS_SELF_CONTAINED=$enableval,
220 EN_NS_SELF_CONTAINED=yes)
222 AC_ARG_ENABLE(asserts,
223 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
224 USE_XASSERTS=$enableval,
227 AC_ARG_ENABLE(maintainer-mode,
228 [AS_HELP_STRING([--enable-maintainer-mode],
229 [enable make rules and dependencies not useful (and sometimes
230 confusing) to the casual installer])],
231 USE_MAINTAINER_MODE=$enableval,
232 USE_MAINTAINER_MODE=yes)
233 if test $USE_MAINTAINER_MODE = yes; then
240 AC_ARG_ENABLE(locallisppath,
241 [AS_HELP_STRING([--enable-locallisppath=PATH],
242 [directories Emacs should search for lisp files specific
244 if test "${enableval}" = "no"; then
246 elif test "${enableval}" != "yes"; then
247 locallisppath=${enableval}
250 AC_ARG_ENABLE(checking,
251 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
252 [enable expensive run-time checks. With LIST,
253 enable only specific categories of checks.
254 Categories are: all,yes,no.
255 Flags are: stringbytes, stringoverrun, stringfreelist,
256 xmallocoverrun, conslist])],
257 [ac_checking_flags="${enableval}"],[])
258 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
259 for check in $ac_checking_flags
262 # these set all the flags to specific states
263 yes) ac_enable_checking=1 ;;
264 no) ac_enable_checking= ;
265 ac_gc_check_stringbytes= ;
266 ac_gc_check_string_overrun= ;
267 ac_gc_check_string_free_list= ;
268 ac_xmalloc_overrun= ;
269 ac_gc_check_cons_list= ;;
270 all) ac_enable_checking=1 ;
271 ac_gc_check_stringbytes=1 ;
272 ac_gc_check_string_overrun=1 ;
273 ac_gc_check_string_free_list=1 ;
274 ac_xmalloc_overrun=1 ;
275 ac_gc_check_cons_list=1 ;;
276 # these enable particular checks
277 stringbytes) ac_gc_check_stringbytes=1 ;;
278 stringoverrun) ac_gc_check_string_overrun=1 ;;
279 stringfreelist) ac_gc_check_string_free_list=1 ;;
280 xmallocoverrun) ac_xmalloc_overrun=1 ;;
281 conslist) ac_gc_check_cons_list=1 ;;
282 *) AC_MSG_ERROR(unknown check category $check) ;;
287 if test x$ac_enable_checking != x ; then
288 AC_DEFINE(ENABLE_CHECKING, 1,
289 [Enable expensive run-time checking of data types?])
291 if test x$ac_gc_check_stringbytes != x ; then
292 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
293 [Define this temporarily to hunt a bug. If defined, the size of
294 strings is redundantly recorded in sdata structures so that it can
295 be compared to the sizes recorded in Lisp strings.])
297 if test x$ac_gc_check_string_overrun != x ; then
298 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
299 [Define this to check for short string overrun.])
301 if test x$ac_gc_check_string_free_list != x ; then
302 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
303 [Define this to check the string free list.])
305 if test x$ac_xmalloc_overrun != x ; then
306 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
307 [Define this to check for malloc buffer overrun.])
309 if test x$ac_gc_check_cons_list != x ; then
310 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
311 [Define this to check for errors in cons list.])
314 AC_ARG_ENABLE(use-lisp-union-type,
315 [AS_HELP_STRING([--enable-use-lisp-union-type],
316 [use a union for the Lisp_Object data type.
317 This is only useful for development for catching certain types of bugs.])],
318 if test "${enableval}" != "no"; then
319 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
320 [Define this to use a lisp union for the Lisp_Object data type.])
324 AC_ARG_ENABLE(profiling,
325 [AS_HELP_STRING([--enable-profiling],
326 [build emacs with profiling support.
327 This might not work on all platforms])],
328 [ac_enable_profiling="${enableval}"],[])
329 if test x$ac_enable_profiling != x ; then
330 PROFILING_CFLAGS="-DPROFILING=1 -pg"
334 AC_SUBST(PROFILING_CFLAGS)
336 AC_ARG_ENABLE(autodepend,
337 [AS_HELP_STRING([--enable-autodepend],
338 [automatically generate dependencies to .h-files.
339 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
341 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
343 #### Make srcdir absolute, if it isn't already. It's important to
344 #### avoid running the path through pwd unnecessarily, since pwd can
345 #### give you automounter prefixes, which can go away. We do all this
346 #### so Emacs can find its files when run uninstalled.
347 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
352 ## We may be able to use the $PWD environment variable to make this
353 ## absolute. But sometimes PWD is inaccurate.
354 ## Note: we used to use ${PWD} at the end instead of `pwd`,
355 ## but that tested only for a well-formed and valid PWD,
356 ## it did not object when PWD was well-formed and valid but just wrong.
357 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
361 srcdir="`(cd ${srcdir}; pwd)`"
364 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
367 #### Given the configuration name, set machfile and opsysfile to the
368 #### names of the m/*.h and s/*.h files we should use.
370 ### Canonicalize the configuration name.
374 configuration=${host_alias-${build_alias-$host}}
376 dnl This used to use changequote, but, apart from `changequote is evil'
377 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
378 dnl the great gob of text. Thus it's not processed for possible expansion.
379 dnl Just make sure the brackets remain balanced.
381 dnl Since Emacs can't find matching pairs of quotes, boundaries are
382 dnl indicated by comments.
386 ### If you add support for a new configuration, add code to this
387 ### switch statement to recognize your configuration name and select
388 ### the appropriate operating system and machine description files.
390 ### You would hope that you could choose an m/*.h file pretty much
391 ### based on the machine portion of the configuration name, and an s/*.h
392 ### file based on the operating system portion. However, it turns out
393 ### that each m/*.h file is pretty manufacturer-specific - for
394 ### example mips.h is MIPS
395 ### So we basically have to have a special case for each
396 ### configuration name.
398 ### As far as handling version numbers on operating systems is
399 ### concerned, make sure things will fail in a fixable way. If
400 ### /etc/MACHINES doesn't say anything about version numbers, be
401 ### prepared to handle anything reasonably. If version numbers
402 ### matter, be sure /etc/MACHINES says something about it.
404 machine='' opsys='' unported=no
405 case "${canonical}" in
411 alpha*) machine=alpha ;;
412 s390-*) machine=ibms390 ;;
413 s390x-*) machine=ibms390x ;;
414 powerpc*) machine=macppc ;;
415 sparc*) machine=sparc ;;
416 ia64*) machine=ia64 ;;
417 m68k*) machine=m68k ;;
418 x86_64*) machine=amdx86-64 ;;
425 case "${canonical}" in
426 alpha*) machine=alpha ;;
427 amd64-*|x86_64-*) machine=amdx86-64 ;;
428 ia64-*) machine=ia64 ;;
429 i[3456]86-*) machine=intel386 ;;
430 powerpc-*) machine=macppc ;;
431 sparc-*) machine=sparc ;;
432 sparc64-*) machine=sparc ;;
436 ## FreeBSD kernel + glibc based userland
439 case "${canonical}" in
440 alpha*) machine=alpha ;;
441 amd64-*|x86_64-*) machine=amdx86-64 ;;
442 ia64-*) machine=ia64 ;;
443 i[3456]86-*) machine=intel386 ;;
444 powerpc-*) machine=macppc ;;
445 sparc-*) machine=sparc ;;
446 sparc64-*) machine=sparc ;;
453 case "${canonical}" in
454 alpha*) machine=alpha ;;
455 x86_64-*) machine=amdx86-64 ;;
456 i[3456]86-*) machine=intel386 ;;
457 m68k-*) machine=m68k ;;
458 powerpc-*) machine=macppc ;;
459 sparc*-) machine=sparc ;;
460 vax-*) machine=vax ;;
467 case "${canonical}" in
468 alpha*) machine=alpha ;;
469 x86_64-*) machine=amdx86-64 ;;
470 i386-*) machine=intel386 ;;
471 powerpc-*) machine=macppc ;;
472 sparc*) machine=sparc ;;
473 vax-*) machine=vax ;;
477 ## Apple Darwin / Mac OS X
479 case "${canonical}" in
480 i[3456]86-* ) machine=intel386 ;;
481 powerpc-* ) machine=macppc ;;
482 x86_64-* ) machine=amdx86-64 ;;
486 # Define CPP as follows to make autoconf work correctly.
487 CPP="${CC-cc} -E -no-cpp-precomp"
488 # Use fink packages if available.
489 if test -d /sw/include && test -d /sw/lib; then
490 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
491 CPP="${CPP} ${GCC_TEST_OPTIONS}"
492 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
496 ## HP 9000 series 700 and 800, running HP/UX
500 hppa*-hp-hpux1[1-9]* )
502 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
505 ia64*-hp-hpux1[1-9]* )
506 machine=hp800 opsys=hpux11
507 ## FIXME. Peter O'Gorman reports that dumping using unexelf.o doesn't
508 ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
513 machine=hp800 opsys=gnu-linux
517 rs6000-ibm-aix4.[23]* )
518 machine=ibmrs6000 opsys=aix4-2
520 powerpc-ibm-aix4.[23]* )
521 machine=ibmrs6000 opsys=aix4-2
523 rs6000-ibm-aix[56]* )
524 machine=ibmrs6000 opsys=aix4-2
526 powerpc-ibm-aix[56]* )
527 machine=ibmrs6000 opsys=aix4-2
530 ## Silicon Graphics machines
533 machine=iris4d opsys=irix6-5
534 # Without defining _LANGUAGE_C, things get masked out in the headers
535 # so that, for instance, grepping for `free' in stdlib.h fails and
536 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
537 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
538 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
543 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
544 | x86_64-*-solaris2* | x86_64-*-sunos5*)
545 case "${canonical}" in
546 i[3456]86-*-* ) machine=intel386 ;;
547 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
548 sparc* ) machine=sparc ;;
551 case "${canonical}" in
552 *-sunos5.6* | *-solaris2.6* )
554 NON_GNU_CPP=/usr/ccs/lib/cpp
557 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
559 emacs_check_sunpro_c=yes
560 NON_GNU_CPP=/usr/ccs/lib/cpp
562 *-sunos5* | *-solaris* )
564 emacs_check_sunpro_c=yes
565 NON_GNU_CPP=/usr/ccs/lib/cpp
568 ## Watch out for a compiler that we know will not work.
569 case "${canonical}" in
570 *-solaris* | *-sunos5* )
571 if [ "x$CC" = x/usr/ucb/cc ]; then
572 ## /usr/ucb/cc doesn't work;
573 ## we should find some other compiler that does work.
581 ## Intel 386 machines where we don't care about the manufacturer.
584 case "${canonical}" in
585 *-cygwin ) opsys=cygwin ;;
586 *-darwin* ) opsys=darwin
587 CPP="${CC-cc} -E -no-cpp-precomp"
589 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
590 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
591 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
592 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
601 ### If the code above didn't choose an operating system, just choose
602 ### an operating system based on the configuration name. You really
603 ### only want to use this when you have no idea what the right
604 ### operating system is; if you know what operating systems a machine
605 ### runs, it's cleaner to make it explicit in the case statement
607 if test x"${opsys}" = x; then
608 case "${canonical}" in
609 *-gnu* ) opsys=gnu ;;
619 if test $unported = yes; then
620 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
621 Check `etc/MACHINES' for recognized configuration names.])
624 if test -n "$machine"; then
625 machfile="m/${machine}.h"
629 opsysfile="s/${opsys}.h"
632 #### Choose a compiler.
633 test -n "$CC" && cc_specified=yes
635 # Save the value of CFLAGS that the user specified.
636 SPECIFIED_CFLAGS="$CFLAGS"
638 dnl Sets GCC=yes if using gcc.
642 # Initialize gnulib right after verifying that the C compiler works.
645 # On Suns, sometimes $CPP names a directory.
646 if test -n "$CPP" && test -d "$CPP"; then
650 ## If not using gcc, and on Solaris, and no CPP specified, see if
651 ## using a Sun compiler, which needs -Xs to prevent whitespace.
652 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
653 test x"$CPP" = x; then
654 AC_MSG_CHECKING([whether we are using a Sun C compiler])
655 AC_CACHE_VAL(emacs_cv_sunpro_c,
656 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
660 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
661 AC_MSG_RESULT($emacs_cv_sunpro_c)
663 if test x"$emacs_cv_sunpro_c" = xyes; then
664 NON_GNU_CPP="$CC -E -Xs"
668 #### Some systems specify a CPP to use unless we are using GCC.
669 #### Now that we know whether we are using GCC, we can decide whether
670 #### to use that one.
671 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
676 #### Some systems specify a CC to use unless we are using GCC.
677 #### Now that we know whether we are using GCC, we can decide whether
678 #### to use that one.
679 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
680 test x$cc_specified != xyes
685 if test x$GCC = xyes; then
686 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
688 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
691 ### Use -Wdeclaration-after-statement if the compiler supports it
692 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
693 SAVE_CFLAGS="$CFLAGS"
694 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
695 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
696 if test $has_option = yes; then
697 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
699 AC_MSG_RESULT($has_option)
700 CFLAGS="$SAVE_CFLAGS"
704 ### Use -Wold-style-definition if the compiler supports it
705 # This can be removed when conversion to standard C is finished.
706 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
707 SAVE_CFLAGS="$CFLAGS"
708 CFLAGS="$CFLAGS -Wold-style-definition"
709 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
710 if test $has_option = yes; then
711 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
713 AC_MSG_RESULT($has_option)
714 CFLAGS="$SAVE_CFLAGS"
718 ### Use -Wimplicit-function-declaration if the compiler supports it
719 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
720 SAVE_CFLAGS="$CFLAGS"
721 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
722 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
723 if test $has_option = yes; then
724 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
726 AC_MSG_RESULT($has_option)
727 CFLAGS="$SAVE_CFLAGS"
731 AC_SUBST(C_WARNINGS_SWITCH)
734 #### Some other nice autoconf tests.
736 dnl checks for programs
739 if test "x$RANLIB" = x; then
743 ## Although we're running on an amd64 kernel, we're actually compiling for
744 ## the x86 architecture. The user should probably have provided an
745 ## explicit --build to `configure', but if everything else than the kernel
746 ## is running in i386 mode, we can help them out.
747 if test "$machine" = "amdx86-64"; then
748 AC_CHECK_DECL([i386])
749 if test "$ac_cv_have_decl_i386" = "yes"; then
750 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
752 machfile="m/${machine}.h"
756 AC_PATH_PROG(INSTALL_INFO, install-info)
757 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
758 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
759 dnl Don't use GZIP, which is used by gzip for additional parameters.
760 AC_PATH_PROG(GZIP_PROG, gzip)
763 ## Need makeinfo >= 4.6 (?) to build the manuals.
764 AC_PATH_PROG(MAKEINFO, makeinfo, no)
765 dnl By this stage, configure has already checked for egrep and set EGREP,
766 dnl or exited with an error if no egrep was found.
767 if test "$MAKEINFO" != "no" && \
768 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
772 ## Makeinfo is unusual. For a released Emacs, the manuals are
773 ## pre-built, and not deleted by the normal clean rules. makeinfo is
774 ## therefore in the category of "special tools" not normally required, which
775 ## configure does not have to check for (eg autoconf itself).
776 ## In a Bazaar checkout on the other hand, the manuals are not included.
777 ## So makeinfo is a requirement to build from Bazaar, and configure
778 ## should test for it as it does for any other build requirement.
779 ## We use the presence of $srcdir/info/emacs to distinguish a release,
780 ## with pre-built manuals, from a Bazaar checkout.
783 if test "$MAKEINFO" = "no"; then
785 if test "x${with_makeinfo}" = "xno"; then
787 elif test ! -e $srcdir/info/emacs; then
788 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
789 source tree does not seem to have pre-built manuals in the `info' directory.
790 Either install a suitable version of makeinfo, or re-run configure
791 with the `--without-makeinfo' option to build without the manuals.] )
794 AC_SUBST(HAVE_MAKEINFO)
796 dnl Add our options to ac_link now, after it is set up.
798 if test x$GCC = xyes; then
799 test "x$GCC_LINK_TEST_OPTIONS" != x && \
800 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
802 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
803 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
806 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
807 dnl If we can link with the flag, it shouldn't do any harm anyhow.
808 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
809 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
810 dnl if not built to support GNU ld.
812 late_LDFLAGS=$LDFLAGS
813 if test x$GCC = xyes; then
814 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
816 LDFLAGS="$LDFLAGS -znocombreloc"
819 AC_MSG_CHECKING([for -znocombreloc])
820 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
821 [AC_MSG_RESULT(yes)],
822 LDFLAGS=$late_LDFLAGS
826 # The value of CPP is a quoted variable reference, so we need to do this
827 # to get its actual value...
828 CPP=`eval "echo $CPP"`
831 dnl The function dump-emacs will not be defined and temacs will do
832 dnl (load "loadup") automatically unless told otherwise.
833 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
835 your-opsys-here) CANNOT_DUMP=yes ;;
838 test "$CANNOT_DUMP" = "yes" && \
839 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
841 AC_SUBST(CANNOT_DUMP)
846 # MSDOS uses unexcoff.o
847 # MSWindows uses unexw32.o
855 UNEXEC_OBJ=unexmacosx.o
858 UNEXEC_OBJ=unexhp9k800.o
861 # Use the Solaris dldump() function, called from unexsol.c, to dump
862 # emacs, instead of the generic ELF dump code found in unexelf.c.
863 # The resulting binary has a complete symbol table, and is better
864 # for debugging and other observability tools (debuggers, pstack, etc).
866 # If you encounter a problem using dldump(), please consider sending
867 # a message to the OpenSolaris tools-linking mailing list:
868 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
870 # It is likely that dldump() works with older Solaris too, but this has
871 # not been tested, so for now this change is for Solaris 10 or newer.
879 ## Let `ld' find image libs and similar things in /usr/local/lib.
880 ## The system compiler, GCC, has apparently been modified to not
881 ## look there, contrary to what a stock GCC would do.
882 LD_SWITCH_SYSTEM=-L/usr/local/lib
886 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
887 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
891 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
895 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
896 ## otherwise Emacs dumps core on elf systems.
897 LD_SWITCH_SYSTEM="-Z"
900 AC_SUBST(LD_SWITCH_SYSTEM)
902 ac_link="$ac_link $LD_SWITCH_SYSTEM"
904 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
905 ## which has not been defined yet. When this was handled with cpp,
906 ## it was expanded to null when configure sourced the s/*.h file.
907 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
908 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
909 ## (or somesuch), but because it is supposed to go at the _front_
910 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
911 ## Compare with the gnu-linux case below, which added to the end
912 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
913 ## LD_SWITCH_SYSTEM_TEMACS.
916 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
917 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
922 if test "$machine" = "alpha"; then
923 AC_CHECK_DECL([__ELF__])
924 if test "$ac_cv_have_decl___ELF__" = "yes"; then
925 ## With ELF, make sure that all common symbols get allocated to in the
926 ## data section. Otherwise, the dump of temacs may miss variables in
927 ## the shared library that have been initialized. For example, with
928 ## GNU libc, __malloc_initialized would normally be resolved to the
929 ## shared library's .bss section, which is fatal.
930 if test "x$GCC" = "xyes"; then
931 C_SWITCH_MACHINE="-fno-common"
933 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
936 UNEXEC_OBJ=unexalpha.o
939 AC_SUBST(C_SWITCH_MACHINE)
944 ## Some programs in src produce warnings saying certain subprograms
945 ## are too complex and need a MAXMEM value greater than 2000 for
946 ## additional optimization. --nils@exp-math.uni-essen.de
947 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
948 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
949 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
950 ## It is redundant in glibc2, since we define _GNU_SOURCE.
951 AC_SUBST(C_SWITCH_SYSTEM)
956 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
957 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
959 freebsd) LIBS_SYSTEM="-lutil" ;;
961 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
963 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
965 ## Motif needs -lgen.
966 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
968 AC_SUBST(LIBS_SYSTEM)
971 ### Make sure subsequent tests use flags consistent with the build flags.
973 if test x"${OVERRIDE_CPPFLAGS}" != x; then
974 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
976 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
979 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
980 AC_DEFUN([AC_TYPE_SIZE_T])
982 dnl Do this early because it can frob feature test macros for Unix-98 &c.
986 ## If user specified a crt-dir, use that unconditionally.
987 if test "X$CRT_DIR" = "X"; then
990 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
991 ## On x86-64 and s390x GNU/Linux distributions, the standard library
992 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
993 ## For anything else (eg /usr/lib32), it is up the user to specify
994 ## the location (bug#5655).
995 ## Test for crtn.o, not just the directory, because sometimes the
996 ## directory exists but does not have the relevant files (bug#1287).
997 ## FIXME better to test for binary compatibility somehow.
998 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1001 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1005 hpux10-20) CRT_DIR=/lib ;;
1008 ## Default is /usr/lib.
1009 test "X$CRT_DIR" = "X" && CRT_DIR=/usr/lib
1013 ## Some platforms don't use any of these files, so it is not
1014 ## appropriate to put this test outside the if block.
1015 test -e $CRT_DIR/crtn.o || test -e $CRT_DIR/crt0.o || \
1016 AC_MSG_ERROR([crt*.o not found in specified location.])
1029 START_FILES='pre-crt0.o'
1032 ## Adding -lm confuses the dynamic linker, so omit it.
1034 START_FILES='pre-crt0.o'
1037 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1038 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1040 gnu-linux | gnu-kfreebsd )
1041 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1042 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1044 hpux10-20 | hpux11 )
1046 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1049 if test -f $CRT_DIR/crti.o; then
1050 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1051 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1053 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1054 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1060 AC_SUBST(START_FILES)
1062 dnl This function definition taken from Gnome 2.0
1063 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1064 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1065 dnl also defines GSTUFF_PKG_ERRORS on error
1066 AC_DEFUN([PKG_CHECK_MODULES], [
1069 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1071 if test "$PKG_CONFIG" = "no" ; then
1072 ifelse([$4], , [AC_MSG_ERROR([
1073 *** 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])
1075 PKG_CONFIG_MIN_VERSION=0.9.0
1076 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1077 AC_MSG_CHECKING(for $2)
1079 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1083 AC_MSG_CHECKING($1_CFLAGS)
1084 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1085 AC_MSG_RESULT($$1_CFLAGS)
1087 AC_MSG_CHECKING($1_LIBS)
1088 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1089 AC_MSG_RESULT($$1_LIBS)
1094 ## If we have a custom action on failure, don't print errors, but
1095 ## do set a variable so people can do so.
1096 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1097 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1103 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1104 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1108 if test $succeeded = yes; then
1109 ifelse([$3], , :, [$3])
1111 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.])], [$4])
1116 if test "${with_sound}" != "no"; then
1117 # Sound support for GNU/Linux and the free BSDs.
1118 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1119 have_sound_header=yes)
1120 # Emulation library used on NetBSD.
1121 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1125 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1126 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1127 if test $HAVE_ALSA = yes; then
1128 SAVE_CFLAGS="$CFLAGS"
1129 SAVE_LDFLAGS="$LDFLAGS"
1130 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1131 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1132 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1133 emacs_alsa_normal=yes,
1134 emacs_alsa_normal=no)
1135 if test "$emacs_alsa_normal" != yes; then
1136 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1137 [[snd_lib_error_set_handler (0);]])],
1138 emacs_alsa_subdir=yes,
1139 emacs_alsa_subdir=no)
1140 if test "$emacs_alsa_subdir" != yes; then
1141 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1143 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1146 CFLAGS="$SAVE_CFLAGS"
1147 LDFLAGS="$SAVE_LDFLAGS"
1148 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1149 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1150 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1153 dnl Define HAVE_SOUND if we have sound support. We know it works and
1154 dnl compiles only on the specified platforms. For others, it
1155 dnl probably doesn't make sense to try.
1156 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1158 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1159 gnu-linux|freebsd|netbsd)
1160 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1165 AC_SUBST(CFLAGS_SOUND)
1168 dnl checks for header files
1169 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1170 linux/version.h sys/systeminfo.h limits.h \
1171 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1172 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1173 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1175 AC_MSG_CHECKING(if personality LINUX32 can be set)
1176 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1177 emacs_cv_personality_linux32=yes,
1178 emacs_cv_personality_linux32=no)
1179 AC_MSG_RESULT($emacs_cv_personality_linux32)
1181 if test $emacs_cv_personality_linux32 = yes; then
1182 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1183 [Define to 1 if personality LINUX32 can be set.])
1186 dnl On Solaris 8 there's a compilation warning for term.h because
1187 dnl it doesn't define `bool'.
1188 AC_CHECK_HEADERS(term.h, , , -)
1191 AC_CHECK_DECLS([sys_siglist])
1192 if test $ac_cv_have_decl_sys_siglist != yes; then
1193 # For Tru64, at least:
1194 AC_CHECK_DECLS([__sys_siglist])
1195 if test $ac_cv_have_decl___sys_siglist = yes; then
1196 AC_DEFINE(sys_siglist, __sys_siglist,
1197 [Define to any substitute for sys_siglist.])
1202 dnl Some systems have utime.h but don't declare the struct anyplace.
1203 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1204 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1205 #include <sys/time.h>
1208 #ifdef HAVE_SYS_TIME_H
1209 #include <sys/time.h>
1216 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1217 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1218 if test $emacs_cv_struct_utimbuf = yes; then
1219 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1222 dnl Check for speed_t typedef.
1223 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1224 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1225 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1226 if test $emacs_cv_speed_t = yes; then
1227 AC_DEFINE(HAVE_SPEED_T, 1,
1228 [Define to 1 if `speed_t' is declared by <termios.h>.])
1231 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1232 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1233 #include <sys/time.h>
1236 #ifdef HAVE_SYS_TIME_H
1237 #include <sys/time.h>
1241 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1242 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1243 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1244 if test $emacs_cv_struct_timeval = yes; then
1245 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1248 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1249 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1250 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1251 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1252 HAVE_EXCEPTION=$emacs_cv_struct_exception
1253 if test $emacs_cv_struct_exception != yes; then
1254 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1257 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1258 #if HAVE_SYS_SOCKET_H
1259 #include <sys/socket.h>
1262 dnl checks for structure members
1265 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1266 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1267 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1268 [#include <time.h>])
1269 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1270 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1271 struct ifreq.ifr_addr], , ,
1272 [AC_INCLUDES_DEFAULT
1273 #if HAVE_SYS_SOCKET_H
1274 #include <sys/socket.h>
1280 dnl checks for compiler characteristics
1282 dnl Testing __STDC__ to determine prototype support isn't good enough.
1283 dnl DEC C, for instance, doesn't define it with default options, and
1284 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1289 dnl This isn't useful because we can't turn on use of `inline' unless
1290 dnl the compiler groks `extern inline'.
1292 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1293 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1294 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1295 if test $emacs_cv_void_star = yes; then
1296 AC_DEFINE(POINTER_TYPE, void)
1298 AC_DEFINE(POINTER_TYPE, char)
1300 AH_TEMPLATE(POINTER_TYPE,
1301 [Define as `void' if your compiler accepts `void *'; otherwise
1302 define as `char'.])dnl
1304 dnl Check for endianess
1307 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1308 [emacs_cv_attribute_aligned],
1311 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1313 [emacs_cv_attribute_aligned=yes],
1314 [emacs_cv_attribute_aligned=no])])
1315 if test $emacs_cv_attribute_aligned = yes; then
1316 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1317 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1320 dnl check for Make feature
1326 dnl check for GNU Make if we have GCC and autodepend is on.
1327 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1328 AC_MSG_CHECKING([whether we are using GNU Make])
1330 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1331 if test "x$testval" != x; then
1334 ac_enable_autodepend=no
1336 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1337 if test $HAVE_GNU_MAKE = yes; then
1338 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1339 SAVE_CFLAGS="$CFLAGS"
1340 CFLAGS="$CFLAGS -MMD -MF deps.d"
1341 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1342 CFLAGS="$SAVE_CFLAGS"
1343 test -f deps.d || ac_enable_autodepend=no
1345 AC_MSG_RESULT([$ac_enable_autodepend])
1347 if test $ac_enable_autodepend = yes; then
1348 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1349 ## In parallel builds, another make might create depdir between
1350 ## the first test and mkdir, so stick another test on the end.
1351 ## Or use install-sh -d? mkdir -p is not portable.
1352 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1353 deps_frag=autodeps.mk
1356 deps_frag=$srcdir/src/$deps_frag
1359 AC_SUBST_FILE(deps_frag)
1362 lisp_frag=$srcdir/src/lisp.mk
1363 AC_SUBST_FILE(lisp_frag)
1366 dnl checks for operating system services
1367 AC_SYS_LONG_FILE_NAMES
1369 #### Choose a window system.
1372 if test "$no_x" = yes; then
1378 ## Workaround for bug in autoconf <= 2.62.
1379 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1380 ## No need to do anything special for these standard directories.
1381 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1383 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1387 LD_SWITCH_X_SITE_AUX=
1388 LD_SWITCH_X_SITE_AUX_RPATH=
1389 if test "${x_libraries}" != NONE; then
1390 if test -n "${x_libraries}"; then
1391 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1392 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1393 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1395 x_default_search_path=""
1396 x_search_path=${x_libraries}
1397 if test -z "${x_search_path}"; then
1398 x_search_path=/usr/lib
1400 for x_library in `echo ${x_search_path}: | \
1401 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1403 ${x_library}/X11/%L/%T/%N%C%S:\
1404 ${x_library}/X11/%l/%T/%N%C%S:\
1405 ${x_library}/X11/%T/%N%C%S:\
1406 ${x_library}/X11/%L/%T/%N%S:\
1407 ${x_library}/X11/%l/%T/%N%S:\
1408 ${x_library}/X11/%T/%N%S"
1409 if test x"${x_default_search_path}" = x; then
1410 x_default_search_path=${x_search_path}
1412 x_default_search_path="${x_search_path}:${x_default_search_path}"
1416 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1417 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1419 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1420 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1423 if test x"${x_includes}" = x; then
1424 bitmapdir=/usr/include/X11/bitmaps
1426 # accumulate include directories that have X11 bitmap subdirectories
1428 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1429 if test -d "${bmd}/X11/bitmaps"; then
1430 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1432 if test -d "${bmd}/bitmaps"; then
1433 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1436 if test ${bmd_acc} != "dummyval"; then
1437 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1444 tmp_CPPFLAGS="$CPPFLAGS"
1445 tmp_CFLAGS="$CFLAGS"
1446 CPPFLAGS="$CPPFLAGS -x objective-c"
1447 CFLAGS="$CFLAGS -x objective-c"
1448 TEMACS_LDFLAGS2="\${LDFLAGS}"
1449 dnl I don't think it's especially important, but src/Makefile.in
1450 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1451 dnl trailing "/" to it, so now we do it here.
1452 if test "${with_ns}" != no; then
1453 if test "${opsys}" = darwin; then
1455 ns_appdir=`pwd`/nextstep/Emacs.app
1456 ns_appbindir=${ns_appdir}/Contents/MacOS/
1457 ns_appresdir=${ns_appdir}/Contents/Resources
1458 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1459 elif test -f $GNUSTEP_CONFIG_FILE; then
1461 ns_appdir=`pwd`/nextstep/Emacs.app
1462 ns_appbindir=${ns_appdir}/
1463 ns_appresdir=${ns_appdir}/Resources
1464 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1465 dnl FIXME sourcing this several times in subshells seems inefficient.
1466 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1467 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1468 dnl I seemed to need these as well with GNUstep-startup 0.25.
1469 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1470 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1471 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1472 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1473 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1474 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1475 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1476 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1477 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1482 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1483 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1484 files are missing or cannot be compiled.])])
1485 NS_HAVE_NSINTEGER=yes
1486 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1488 ns_have_nsinteger=yes,
1489 ns_have_nsinteger=no)
1490 if test $ns_have_nsinteger = no; then
1491 NS_HAVE_NSINTEGER=no
1494 AC_SUBST(TEMACS_LDFLAGS2)
1499 if test "${HAVE_NS}" = yes; then
1500 window_system=nextstep
1502 # set up packaging dirs
1503 exec_prefix=${ns_appbindir}
1504 libexecdir=${ns_appbindir}/libexec
1505 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1506 prefix=${ns_appresdir}
1508 ns_frag=$srcdir/src/ns.mk
1509 NS_OBJ="fontset.o fringe.o image.o"
1510 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1512 CFLAGS="$tmp_CFLAGS"
1513 CPPFLAGS="$tmp_CPPFLAGS"
1515 AC_SUBST(NS_OBJC_OBJ)
1516 AC_SUBST(LIB_STANDARD)
1517 AC_SUBST_FILE(ns_frag)
1519 case "${window_system}" in
1523 case "${with_x_toolkit}" in
1524 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1525 motif ) USE_X_TOOLKIT=MOTIF ;;
1527 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1528 dnl USE_X_TOOLKIT is set.
1529 USE_X_TOOLKIT=none ;;
1530 gtk3 ) with_gtk3=yes
1531 USE_X_TOOLKIT=none ;;
1532 no ) USE_X_TOOLKIT=none ;;
1533 dnl If user did not say whether to use a toolkit, make this decision later:
1534 dnl use the toolkit if we have gtk, or X11R5 or newer.
1535 * ) USE_X_TOOLKIT=maybe ;;
1545 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1546 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1547 if test "$HAVE_XSERVER" = true ||
1548 test -n "$DISPLAY" ||
1549 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1550 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1551 were found. You should install the relevant development files for X
1552 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1553 sure you have development files for image handling, i.e.
1554 tiff, gif, jpeg, png and xpm.
1555 If you are sure you want Emacs compiled without X window support, pass
1561 ### If we're using X11, we should use the X menu package.
1564 yes ) HAVE_MENUS=yes ;;
1567 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1568 # Assume not, until told otherwise.
1571 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1572 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1573 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1574 emacs_cv_var___after_morecore_hook,
1575 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1576 emacs_cv_var___after_morecore_hook=yes,
1577 emacs_cv_var___after_morecore_hook=no)])
1578 if test $emacs_cv_var___after_morecore_hook = no; then
1583 dnl See comments in aix4-2.h about maybe using system malloc there.
1586 ## darwin ld insists on the use of malloc routines in the System framework.
1587 darwin|sol2-10) system_malloc=yes ;;
1590 if test "${system_malloc}" = "yes"; then
1591 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1594 (The GNU allocators don't work with this system configuration.)"
1598 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1599 VMLIMIT_OBJ=vm-limit.o
1601 AC_SUBST(GMALLOC_OBJ)
1602 AC_SUBST(VMLIMIT_OBJ)
1604 if test "$doug_lea_malloc" = "yes" ; then
1605 if test "$GNU_MALLOC" = yes ; then
1607 (Using Doug Lea's new malloc from the GNU C Library.)"
1609 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1610 [Define to 1 if you are using the GNU C Library.])
1612 ## Use mmap directly for allocating larger buffers.
1613 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1614 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1615 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1617 gnu*) REL_ALLOC=no ;;
1621 if test x"${REL_ALLOC}" = x; then
1622 REL_ALLOC=${GNU_MALLOC}
1625 use_mmap_for_buffers=no
1627 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1631 if test $use_mmap_for_buffers = yes; then
1632 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1636 LIBS="$LIBS_SYSTEM $LIBS"
1638 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1639 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1640 AC_CHECK_LIB(dnet, dnet_ntoa)
1641 dnl This causes -lresolv to get used in subsequent tests,
1642 dnl which causes failures on some systems such as HPUX 9.
1643 dnl AC_CHECK_LIB(resolv, gethostbyname)
1645 dnl FIXME replace main with a function we actually want from this library.
1646 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1648 AC_CHECK_LIB(pthreads, cma_open)
1650 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1651 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1652 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1653 ## added to LIBS in configure would never contain the pthreads part,
1654 ## but the value used in Makefiles might. FIXME?
1656 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1657 ## be harmless on older versions of X where it happens to exist.
1658 test "$opsys" = "aix4-2" && \
1659 test $ac_cv_lib_pthreads_cma_open = yes && \
1660 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1662 dnl Check for need for bigtoc support on IBM AIX
1666 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1668 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1669 *) gdb_cv_bigtoc=-bbigtoc ;;
1672 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1673 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1678 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1679 # used for the tests that follow. We set them back to REAL_CFLAGS and
1680 # REAL_CPPFLAGS later on.
1682 REAL_CFLAGS="$CFLAGS"
1683 REAL_CPPFLAGS="$CPPFLAGS"
1685 if test "${HAVE_X11}" = "yes"; then
1686 DEFS="$C_SWITCH_X_SITE $DEFS"
1687 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1689 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1690 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1692 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1693 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1694 # but it's more convenient here to set LD_RUN_PATH
1695 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1696 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1697 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1701 if test "${opsys}" = "gnu-linux"; then
1702 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1703 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1704 [[XOpenDisplay ("foo");]])],
1705 [xlinux_first_failure=no],
1706 [xlinux_first_failure=yes])
1707 if test "${xlinux_first_failure}" = "yes"; then
1708 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1709 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1710 OLD_CPPFLAGS="$CPPFLAGS"
1712 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1713 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1714 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1715 LIBS="$LIBS -b i486-linuxaout"
1716 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1717 [[XOpenDisplay ("foo");]])],
1718 [xlinux_second_failure=no],
1719 [xlinux_second_failure=yes])
1720 if test "${xlinux_second_failure}" = "yes"; then
1721 # If we get the same failure with -b, there is no use adding -b.
1722 # So take it out. This plays safe.
1723 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1724 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1725 CPPFLAGS="$OLD_CPPFLAGS"
1736 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1737 # header files included from there.
1738 AC_MSG_CHECKING(for Xkb)
1739 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1740 #include <X11/XKBlib.h>]],
1741 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1742 emacs_xkb=yes, emacs_xkb=no)
1743 AC_MSG_RESULT($emacs_xkb)
1744 if test $emacs_xkb = yes; then
1745 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1748 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1749 XScreenNumberOfScreen XSetWMProtocols)
1752 if test "${window_system}" = "x11"; then
1753 AC_MSG_CHECKING(X11 version 6)
1754 AC_CACHE_VAL(emacs_cv_x11_version_6,
1755 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1756 [[#if XlibSpecificationRelease < 6
1759 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1760 if test $emacs_cv_x11_version_6 = yes; then
1761 AC_MSG_RESULT(6 or newer)
1762 AC_DEFINE(HAVE_X11R6, 1,
1763 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1764 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1765 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1769 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1770 [Define if you have usable X11R6-style XIM support.])
1774 AC_MSG_RESULT(before 6)
1779 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1781 if test "${HAVE_X11}" = "yes" || test "${NS_IMPL_GNUSTEP}" = "yes"; then
1782 if test "${with_rsvg}" != "no"; then
1783 RSVG_REQUIRED=2.11.0
1784 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1786 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1787 AC_SUBST(RSVG_CFLAGS)
1790 if test $HAVE_RSVG = yes; then
1791 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1792 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1793 LIBS="$RSVG_LIBS $LIBS"
1799 if test "${HAVE_X11}" = "yes"; then
1800 if test "${with_imagemagick}" != "no"; then
1801 ## 6.2.8 is the earliest version known to work, but earlier versions
1802 ## might work - let us know if you find one.
1803 ## 6.0.7 does not work. See bug#7955.
1804 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1805 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1806 AC_SUBST(IMAGEMAGICK_CFLAGS)
1807 AC_SUBST(IMAGEMAGICK_LIBS)
1809 if test $HAVE_IMAGEMAGICK = yes; then
1810 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1811 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1812 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1813 AC_CHECK_FUNCS(MagickExportImagePixels)
1820 if test "${with_gtk3}" = "yes"; then
1823 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1825 dnl Checks for libraries.
1826 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1827 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1828 AC_MSG_ERROR($GTK_PKG_ERRORS)
1830 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1833 if test "$pkg_check_gtk" != "yes"; then
1835 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1838 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1840 dnl Checks for libraries.
1841 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1842 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1843 AC_MSG_ERROR($GTK_PKG_ERRORS)
1849 if test x"$pkg_check_gtk" = xyes; then
1851 AC_SUBST(GTK_CFLAGS)
1853 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1854 CFLAGS="$CFLAGS $GTK_CFLAGS"
1855 LIBS="$GTK_LIBS $LIBS"
1856 dnl Try to compile a simple GTK program.
1858 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1859 if test "${GTK_COMPILES}" != "yes"; then
1860 if test "$USE_X_TOOLKIT" != "maybe"; then
1861 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1865 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1868 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1871 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1872 closing open displays. This is no problem if you just use
1873 one display, but if you use more than one and close one of them
1883 if test "${HAVE_GTK}" = "yes"; then
1885 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1886 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1887 if test "$with_toolkit_scroll_bars" != no; then
1888 with_toolkit_scroll_bars=yes
1891 dnl Check if we have the old file selection dialog declared and
1892 dnl in the link library. In 2.x it may be in the library,
1893 dnl but not declared if deprecated featured has been selected out.
1894 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1895 HAVE_GTK_FILE_SELECTION=no
1896 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1897 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1898 #include <gtk/gtk.h>])
1899 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1900 AC_CHECK_FUNCS(gtk_file_selection_new)
1903 dnl Check if pthreads are available. Emacs only needs this when using
1904 dnl gtk_file_chooser under Gnome.
1905 HAVE_GTK_AND_PTHREAD=no
1906 AC_CHECK_HEADERS(pthread.h)
1907 if test "$ac_cv_header_pthread_h"; then
1908 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1910 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1911 case "${canonical}" in
1913 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1915 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1916 [Define to 1 if you have GTK and pthread (-lpthread).])
1919 dnl Check for functions introduced in 2.14 and later.
1920 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1921 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1922 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1923 gtk_orientable_set_orientation)
1927 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1928 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1929 dnl also not configured.
1932 if test "${with_dbus}" = "yes"; then
1933 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1934 if test "$HAVE_DBUS" = yes; then
1935 LIBS="$LIBS $DBUS_LIBS"
1936 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1937 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1943 dnl GConf has been tested under GNU/Linux only.
1944 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1946 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1947 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1948 if test "$HAVE_GCONF" = yes; then
1949 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1950 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1951 AC_CHECK_FUNCS([g_type_init])
1955 dnl SELinux is available for GNU/Linux only.
1958 if test "${with_selinux}" = "yes"; then
1959 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
1960 if test "$HAVE_LIBSELINUX" = yes; then
1961 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
1962 LIBSELINUX_LIBS=-lselinux
1965 AC_SUBST(LIBSELINUX_LIBS)
1968 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
1969 if test "${with_gnutls}" = "yes" ; then
1970 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.0], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
1971 if test "${HAVE_GNUTLS}" = "yes"; then
1972 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
1975 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
1976 LIBS="$LIBGNUTLS_LIBS $LIBS"
1977 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
1979 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
1980 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
1984 AC_SUBST(LIBGNUTLS_LIBS)
1985 AC_SUBST(LIBGNUTLS_CFLAGS)
1987 dnl Do not put whitespace before the #include statements below.
1988 dnl Older compilers (eg sunos4 cc) choke on it.
1991 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
1992 if test "$with_xaw3d" != no; then
1993 AC_MSG_CHECKING(for xaw3d)
1994 AC_CACHE_VAL(emacs_cv_xaw3d,
1995 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1996 #include <X11/Intrinsic.h>
1997 #include <X11/Xaw3d/Simple.h>]],
1999 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2000 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2001 emacs_cv_xaw3d=no)])
2005 if test $emacs_cv_xaw3d = yes; then
2006 AC_MSG_RESULT([yes; using Lucid toolkit])
2010 AC_DEFINE(HAVE_XAW3D, 1,
2011 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2014 AC_MSG_CHECKING(for libXaw)
2015 AC_CACHE_VAL(emacs_cv_xaw,
2016 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2017 #include <X11/Intrinsic.h>
2018 #include <X11/Xaw/Simple.h>]],
2022 if test $emacs_cv_xaw = yes; then
2023 AC_MSG_RESULT([yes; using Lucid toolkit])
2026 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2027 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2029 AC_MSG_ERROR([No X toolkit could be found.
2030 If you are sure you want Emacs compiled without an X toolkit, pass
2032 to configure. Otherwise, install the development libraries for the toolkit
2033 that you want to use (e.g. Gtk+) and re-run configure.])
2038 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2041 if test "${USE_X_TOOLKIT}" != "none"; then
2042 AC_MSG_CHECKING(X11 toolkit version)
2043 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2044 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2045 [[#if XtSpecificationRelease < 6
2048 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2049 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2050 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2051 AC_MSG_RESULT(6 or newer)
2052 AC_DEFINE(HAVE_X11XTR6, 1,
2053 [Define to 1 if you have the X11R6 or newer version of Xt.])
2054 LIBXTR6="-lSM -lICE"
2056 ## Use libw.a along with X11R6 Xt.
2057 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2060 AC_MSG_RESULT(before 6)
2063 dnl If using toolkit, check whether libXmu.a exists.
2064 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2066 if test x$HAVE_X11XTR6 = xyes; then
2067 LIBS="-lXt -lSM -lICE $LIBS"
2071 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2072 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2076 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2077 dnl Why not just test for libxmu in the normal way?
2080 ## These systems don't supply Xmu.
2082 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2087 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2088 if test "${HAVE_X11}" = "yes"; then
2089 if test "${USE_X_TOOLKIT}" != "none"; then
2090 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2095 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2096 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2097 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2098 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2101 Motif version prior to 2.1.
2103 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2104 if test $emacs_cv_motif_version_2_1 = yes; then
2105 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2107 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2108 # We put this in CFLAGS temporarily to precede other -I options
2109 # that might be in CFLAGS temporarily.
2110 # We put this in CPPFLAGS where it precedes the other -I options.
2111 OLD_CPPFLAGS=$CPPFLAGS
2113 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2114 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2115 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2117 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2118 if test $emacs_cv_lesstif = yes; then
2119 # Make sure this -I option remains in CPPFLAGS after it is set
2120 # back to REAL_CPPFLAGS.
2121 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2122 # have those other -I options anyway. Ultimately, having this
2123 # directory ultimately in CPPFLAGS will be enough.
2124 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2125 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2128 CPPFLAGS=$OLD_CPPFLAGS
2133 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2134 dnl using Motif or Xaw3d is available, and unless
2135 dnl --with-toolkit-scroll-bars=no was specified.
2137 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2138 [Define to 1 if we should use toolkit scroll bars.])dnl
2139 USE_TOOLKIT_SCROLL_BARS=no
2140 if test "${with_toolkit_scroll_bars}" != "no"; then
2141 if test "${USE_X_TOOLKIT}" != "none"; then
2142 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2143 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2145 USE_TOOLKIT_SCROLL_BARS=yes
2146 elif test "${HAVE_XAW3D}" = "yes"; then
2147 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2148 USE_TOOLKIT_SCROLL_BARS=yes
2150 elif test "${HAVE_GTK}" = "yes"; then
2151 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2152 USE_TOOLKIT_SCROLL_BARS=yes
2153 elif test "${HAVE_NS}" = "yes"; then
2154 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2155 USE_TOOLKIT_SCROLL_BARS=yes
2159 dnl See if XIM is available.
2160 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2161 #include <X11/Xlib.h>
2162 #include <X11/Xresource.h>]],
2163 [[XIMProc callback;]])],
2165 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2168 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2170 if test "${with_xim}" != "no"; then
2171 AC_DEFINE(USE_XIM, 1,
2172 [Define to 1 if we should use XIM, if it is available.])
2176 if test "${HAVE_XIM}" != "no"; then
2178 if test "$GCC" = yes; then
2179 CFLAGS="$CFLAGS --pedantic-errors"
2181 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2182 #include <X11/Xlib.h>
2183 #include <X11/Xresource.h>]],
2189 XPointer *client_data;
2191 /* If we're not using GCC, it's probably not XFree86, and this is
2192 probably right, but we can't use something like --pedantic-errors. */
2193 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2194 char*, XIMProc, XPointer*);
2196 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2198 [emacs_cv_arg6_star=yes])
2199 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2200 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2201 either XPointer or XPointer*.])dnl
2202 if test "$emacs_cv_arg6_star" = yes; then
2203 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2205 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2210 ### Start of font-backend (under any platform) section.
2211 # (nothing here yet -- this is a placeholder)
2212 ### End of font-backend (under any platform) section.
2214 ### Start of font-backend (under X11) section.
2215 if test "${HAVE_X11}" = "yes"; then
2216 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2218 ## Use -lXft if available, unless `--with-xft=no'.
2220 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2223 if test "x${with_xft}" != "xno"; then
2225 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2226 ## Because xftfont.c uses XRenderQueryExtension, we also
2227 ## need to link to -lXrender.
2229 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2230 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2231 OLD_CPPFLAGS="$CPPFLAGS"
2232 OLD_CFLAGS="$CFLAGS"
2234 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2235 CFLAGS="$CFLAGS $XFT_CFLAGS"
2236 XFT_LIBS="-lXrender $XFT_LIBS"
2237 LIBS="$XFT_LIBS $LIBS"
2238 AC_CHECK_HEADER(X11/Xft/Xft.h,
2239 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2241 if test "${HAVE_XFT}" = "yes"; then
2242 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2244 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2246 CPPFLAGS="$OLD_CPPFLAGS"
2247 CFLAGS="$OLD_CFLAGS"
2249 fi # "${HAVE_XFT}" = "yes"
2250 fi # "$HAVE_XFT" != no
2251 fi # "x${with_xft}" != "xno"
2253 ## We used to allow building with FreeType and without Xft.
2254 ## However, the ftx font backend driver is not in good shape.
2255 if test "$HAVE_XFT" != "yes"; then
2256 dnl For the "Does Emacs use" message at the end.
2260 dnl Strict linkers fail with
2261 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2262 dnl if -lfreetype is not specified.
2263 dnl The following is needed to set FREETYPE_LIBS.
2264 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2267 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2271 if test "${HAVE_FREETYPE}" = "yes"; then
2272 AC_DEFINE(HAVE_FREETYPE, 1,
2273 [Define to 1 if using the freetype and fontconfig libraries.])
2274 if test "${with_libotf}" != "no"; then
2275 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2277 if test "$HAVE_LIBOTF" = "yes"; then
2278 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2279 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2280 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2281 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2282 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2283 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2284 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2288 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2289 dnl Does the new font backend require it, or can it work without it?
2293 if test "${HAVE_LIBOTF}" = yes; then
2294 if test "${with_m17n_flt}" != "no"; then
2295 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2296 if test "$HAVE_M17N_FLT" = "yes"; then
2297 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2308 ### End of font-backend (under X11) section.
2310 AC_SUBST(FREETYPE_CFLAGS)
2311 AC_SUBST(FREETYPE_LIBS)
2312 AC_SUBST(FONTCONFIG_CFLAGS)
2313 AC_SUBST(FONTCONFIG_LIBS)
2314 AC_SUBST(LIBOTF_CFLAGS)
2315 AC_SUBST(LIBOTF_LIBS)
2316 AC_SUBST(M17N_FLT_CFLAGS)
2317 AC_SUBST(M17N_FLT_LIBS)
2319 ### Use -lXpm if available, unless `--with-xpm=no'.
2322 if test "${HAVE_X11}" = "yes"; then
2323 if test "${with_xpm}" != "no"; then
2324 AC_CHECK_HEADER(X11/xpm.h,
2325 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2326 if test "${HAVE_XPM}" = "yes"; then
2327 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2328 AC_EGREP_CPP(no_return_alloc_pixels,
2329 [#include "X11/xpm.h"
2330 #ifndef XpmReturnAllocPixels
2331 no_return_alloc_pixels
2333 ], HAVE_XPM=no, HAVE_XPM=yes)
2335 if test "${HAVE_XPM}" = "yes"; then
2343 if test "${HAVE_XPM}" = "yes"; then
2344 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2350 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2353 if test "${HAVE_X11}" = "yes"; then
2354 if test "${with_jpeg}" != "no"; then
2355 dnl Checking for jpeglib.h can lose because of a redefinition of
2357 AC_CHECK_HEADER(jerror.h,
2358 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2361 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2362 if test "${HAVE_JPEG}" = "yes"; then
2363 AC_DEFINE(HAVE_JPEG)
2364 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2365 [#include <jpeglib.h>
2366 version=JPEG_LIB_VERSION
2368 [AC_DEFINE(HAVE_JPEG)],
2369 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2372 if test "${HAVE_JPEG}" = "yes"; then
2378 ### Use -lpng if available, unless `--with-png=no'.
2381 if test "${HAVE_X11}" = "yes"; then
2382 if test "${with_png}" != "no"; then
2383 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2384 # in /usr/include/libpng.
2385 AC_CHECK_HEADERS(png.h libpng/png.h)
2386 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2387 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2391 if test "${HAVE_PNG}" = "yes"; then
2392 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2393 LIBPNG="-lpng -lz -lm"
2398 ### Use -ltiff if available, unless `--with-tiff=no'.
2401 if test "${HAVE_X11}" = "yes"; then
2402 if test "${with_tiff}" != "no"; then
2403 AC_CHECK_HEADER(tiffio.h,
2405 # At least one tiff package requires the jpeg library.
2406 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2407 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2410 if test "${HAVE_TIFF}" = "yes"; then
2411 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2412 dnl FIXME -lz -lm, as per libpng?
2418 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2421 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2422 AC_CHECK_HEADER(gif_lib.h,
2423 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2424 # Earlier versions can crash Emacs.
2425 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2427 if test "$HAVE_GIF" = yes; then
2429 elif test "$HAVE_GIF" = maybe; then
2430 # If gif_lib.h but no libgif, try libungif.
2431 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2432 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2435 if test "${HAVE_GIF}" = "yes"; then
2436 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2441 dnl Check for required libraries.
2442 if test "${HAVE_X11}" = "yes"; then
2445 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2446 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2447 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2448 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2449 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2450 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2451 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2452 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2453 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2454 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2456 if test "X${MISSING}" != X; then
2457 AC_MSG_ERROR([The following required libraries were not found:
2459 Maybe some development libraries/packages are missing?
2460 If you don't want to link with them give
2462 as options to configure])
2466 ### Use -lgpm if available, unless `--with-gpm=no'.
2469 if test "${with_gpm}" != "no"; then
2470 AC_CHECK_HEADER(gpm.h,
2471 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2473 if test "${HAVE_GPM}" = "yes"; then
2474 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2480 dnl Check for malloc/malloc.h on darwin
2481 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.])])
2484 ### Use NeXTstep API to implement GUI.
2485 if test "${HAVE_NS}" = "yes"; then
2486 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2487 if test "${NS_IMPL_COCOA}" = "yes"; then
2488 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2491 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2492 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2493 # See also .m.o rule in Makefile.in */
2494 # FIXME: are all these flags really needed? Document here why. */
2495 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2496 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2498 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2499 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2501 # We also have mouse menus.
2507 ### Use session management (-lSM -lICE) if available
2510 if test "${HAVE_X11}" = "yes"; then
2511 AC_CHECK_HEADER(X11/SM/SMlib.h,
2512 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2514 if test "${HAVE_X_SM}" = "yes"; then
2515 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2519 *) LIBS="$LIBXSM $LIBS" ;;
2525 ### Use libxml (-lxml2) if available
2526 if test "${with_xml2}" != "no"; then
2527 ### I'm not sure what the version number should be, so I just guessed.
2528 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2529 if test "${HAVE_LIBXML2}" = "yes"; then
2530 LIBS="$LIBXML2_LIBS $LIBS"
2531 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2532 if test "${HAVE_LIBXML2}" = "yes"; then
2533 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2540 AC_SUBST(LIBXML2_LIBS)
2541 AC_SUBST(LIBXML2_CFLAGS)
2543 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2544 AC_CACHE_CHECK(whether netdb declares h_errno,
2545 emacs_cv_netdb_declares_h_errno,
2546 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2547 [[return h_errno;]])],
2548 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2549 if test $emacs_cv_netdb_declares_h_errno = yes; then
2550 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2555 dnl src/alloca.c has been removed. Could also check if $ALLOCA is set?
2556 dnl FIXME is there an autoconf test that does the right thing, without
2557 dnl needing to call A_M_E afterwards?
2558 if test x"$ac_cv_func_alloca_works" != xyes; then
2559 AC_MSG_ERROR( [a system implementation of alloca is required] )
2562 # fmod, logb, and frexp are found in -lm on most systems.
2563 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2564 AC_CHECK_LIB(m, sqrt)
2566 # Check for mail-locking functions in a "mail" library. Probably this should
2567 # have the same check as for liblockfile below.
2568 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2569 if test $have_mail = yes; then
2571 LIBS="$LIBS_MAIL $LIBS"
2572 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2576 dnl Debian, at least:
2577 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2578 if test $have_lockfile = yes; then
2579 LIBS_MAIL=-llockfile
2580 LIBS="$LIBS_MAIL $LIBS"
2581 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2583 # If we have the shared liblockfile, assume we must use it for mail
2584 # locking (e.g. Debian). If we couldn't link against liblockfile
2585 # (no liblockfile.a installed), ensure that we don't need to.
2586 dnl This works for files generally, not just executables.
2587 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2588 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2589 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2590 if test $ac_cv_prog_liblockfile = yes; then
2591 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2592 This probably means that movemail could lose mail.
2593 There may be a `development' package to install containing liblockfile.])
2596 AC_CHECK_FUNCS(touchlock)
2597 AC_CHECK_HEADERS(maillock.h)
2600 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2601 ## interlock access to the mail spool. The alternative is a lock file named
2602 ## /usr/spool/mail/$USER.lock.
2605 aix4-2) mail_lock="lockf" ;;
2607 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2609 ## On GNU/Linux systems, both methods are used by various mail programs.
2610 ## I assume most people are using newer mailers that have heard of flock.
2611 ## Change this if you need to.
2612 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2613 ## configure gets the right answers, and that means *NOT* using flock.
2614 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2615 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2616 ## Debian maintainer hasn't provided a clean fix for Emacs.
2617 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2618 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2619 ## correct logic. -- fx
2620 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2621 ## liblockfile is a Free Software replacement for libmail, used on
2622 ## Debian systems and elsewhere. -rfr.
2625 if test $have_mail = yes || test $have_lockfile = yes; then
2626 test $ac_cv_header_maillock_h = yes && mail_lock=no
2632 case "$mail_lock" in
2633 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2635 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2637 *) BLESSMAIL_TARGET="need-blessmail" ;;
2639 AC_SUBST(BLESSMAIL_TARGET)
2642 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2643 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2644 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2645 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2646 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2647 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm strchr strrchr \
2648 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2649 gai_strerror mkstemp getline getdelim mremap memmove fsync sync \
2650 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2651 cfmakeraw cfsetspeed isnan copysign __executable_start)
2653 dnl Cannot use AC_CHECK_FUNCS
2654 AC_CACHE_CHECK([for __builtin_unwind_init],
2655 emacs_cv_func___builtin_unwind_init,
2656 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2657 emacs_cv_func___builtin_unwind_init=yes,
2658 emacs_cv_func___builtin_unwind_init=no)])
2659 if test $emacs_cv_func___builtin_unwind_init = yes; then
2660 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2661 [Define to 1 if you have the `__builtin_unwind_init' function.])
2664 AC_CHECK_HEADERS(sys/un.h)
2671 gl_ASSERT_NO_GNULIB_POSIXCHECK
2672 gl_ASSERT_NO_GNULIB_TESTS
2676 AC_CHECK_FUNCS(grantpt)
2678 # PTY-related GNU extensions.
2679 AC_CHECK_FUNCS(getpt)
2681 # Check this now, so that we will NOT find the above functions in ncurses.
2682 # That is because we have not set up to link ncurses in lib-src.
2683 # It's better to believe a function is not available
2684 # than to expect to find it in ncurses.
2685 # Also we need tputs and friends to be able to build at all.
2686 have_tputs_et_al=true
2687 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2688 if test "$have_tputs_et_al" != true; then
2689 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2690 Maybe some development libraries/packages are missing? Try installing
2691 libncurses-dev(el), libterminfo-dev(el) or similar.])
2693 # Must define this when any termcap library is found.
2694 AC_DEFINE(HAVE_LIBNCURSES, 1,
2695 [Define to 1 if you have the `ncurses' library (-lncurses).])
2696 ## FIXME This was the cpp logic, but I am not sure it is right.
2697 ## The above test has not necessarily found libncurses.
2700 ## Use terminfo instead of termcap?
2701 ## Note only system files NOT using terminfo are:
2702 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2703 ## darwin|gnu without ncurses.
2707 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2708 ## hpux10-20: Use the system provided termcap(3) library.
2709 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2710 ## is necessary. Otherwise Emacs dumps core when run -nw.
2711 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2713 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2714 ## The ncurses library has been moved out of the System framework in
2715 ## Mac OS X 10.2. So if configure detects it, set the command-line
2716 ## option to use it.
2718 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2719 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2721 LIBS_TERMCAP="-lncurses"
2726 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2727 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2728 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2729 [[#if __FreeBSD_version < 400000
2732 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2734 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2736 if test $emacs_cv_freebsd_terminfo = yes; then
2738 LIBS_TERMCAP="-lncurses"
2740 LIBS_TERMCAP="-ltermcap"
2745 if test $ac_cv_search_tputs = -lterminfo; then
2747 LIBS_TERMCAP="-lterminfo"
2749 LIBS_TERMCAP="-ltermcap"
2756 ## hpux: Make sure we get select from libc rather than from libcurses
2757 ## because libcurses on HPUX 10.10 has a broken version of select.
2758 ## We used to use -lc -lcurses, but this may be cleaner.
2759 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2761 openbsd) LIBS_TERMCAP="-lncurses" ;;
2763 ## Must use system termcap, if we use any termcap. It does special things.
2764 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2767 TERMCAP_OBJ=tparam.o
2768 if test $TERMINFO = yes; then
2769 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2771 ## Default used to be -ltermcap. Add a case above if need something else.
2772 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2774 TERMCAP_OBJ=terminfo.o
2776 AC_SUBST(LIBS_TERMCAP)
2777 AC_SUBST(TERMCAP_OBJ)
2780 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2782 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2783 #include <arpa/nameser.h>
2784 #include <resolv.h>]],
2785 [[return res_init();]])],
2786 have_res_init=yes, have_res_init=no)
2787 if test "$have_res_init" = no; then
2789 LIBS="$LIBS -lresolv"
2790 AC_MSG_CHECKING(for res_init with -lresolv)
2791 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2792 #include <arpa/nameser.h>
2793 #include <resolv.h>]],
2794 [[return res_init();]])],
2795 have_res_init=yes, have_res_init=no)
2796 AC_MSG_RESULT($have_res_init)
2797 if test "$have_res_init" = yes ; then
2803 if test "$have_res_init" = yes; then
2804 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2807 # Do we need the Hesiod library to provide the support routines?
2809 if test "$with_hesiod" != no ; then
2810 # Don't set $LIBS here -- see comments above. FIXME which comments?
2811 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2812 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2813 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2814 if test "$resolv" = yes ; then
2819 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2820 hesiod=yes, :, $RESOLVLIB)])
2822 if test x"$hesiod" = xyes; then
2823 AC_DEFINE(HAVE_LIBHESIOD, 1,
2824 [Define to 1 if you have the hesiod library (-lhesiod).])
2830 # Do we need libresolv (due to res_init or Hesiod)?
2831 if test "$resolv" = yes ; then
2832 AC_DEFINE(HAVE_LIBRESOLV, 1,
2833 [Define to 1 if you have the resolv library (-lresolv).])
2840 # These tell us which Kerberos-related libraries to use.
2847 if test "${with_kerberos}" != no; then
2848 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2849 if test $have_com_err = yes; then
2850 COM_ERRLIB=-lcom_err
2851 LIBS="$COM_ERRLIB $LIBS"
2852 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2854 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2855 if test $have_crypto = yes; then
2857 LIBS="$CRYPTOLIB $LIBS"
2858 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2860 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2861 if test $have_k5crypto = yes; then
2862 CRYPTOLIB=-lk5crypto
2863 LIBS="$CRYPTOLIB $LIBS"
2864 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2866 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2867 if test $have_krb5=yes; then
2869 LIBS="$KRB5LIB $LIBS"
2870 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2872 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2873 if test "${with_kerberos5}" = no; then
2874 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2875 if test $have_des425 = yes; then
2877 LIBS="$DESLIB $LIBS"
2878 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2880 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2881 if test $have_des = yes; then
2883 LIBS="$DESLIB $LIBS"
2884 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2887 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2888 if test $have_krb4 = yes; then
2890 LIBS="$KRB4LIB $LIBS"
2891 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2893 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2894 if test $have_krb = yes; then
2896 LIBS="$KRB4LIB $LIBS"
2897 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2902 if test "${with_kerberos5}" != no; then
2903 AC_CHECK_HEADERS(krb5.h,
2904 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2905 [#include <krb5.h>])])
2907 AC_CHECK_HEADERS(des.h,,
2908 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2909 [AC_CHECK_HEADERS(kerberos/des.h)])])
2910 AC_CHECK_HEADERS(krb.h,,
2911 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2912 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2914 AC_CHECK_HEADERS(com_err.h)
2917 AC_SUBST(COM_ERRLIB)
2923 # Solaris requires -lintl if you want strerror (which calls dgettext)
2924 # to return localized messages.
2925 AC_CHECK_LIB(intl, dgettext)
2927 AC_MSG_CHECKING(whether localtime caches TZ)
2928 AC_CACHE_VAL(emacs_cv_localtime_cache,
2929 [if test x$ac_cv_func_tzset = xyes; then
2930 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2931 char TZ_GMT0[] = "TZ=GMT0";
2932 char TZ_PST8[] = "TZ=PST8";
2935 time_t now = time ((time_t *) 0);
2936 int hour_GMT0, hour_unset;
2937 if (putenv (TZ_GMT0) != 0)
2939 hour_GMT0 = localtime (&now)->tm_hour;
2941 hour_unset = localtime (&now)->tm_hour;
2942 if (putenv (TZ_PST8) != 0)
2944 if (localtime (&now)->tm_hour == hour_GMT0)
2947 if (localtime (&now)->tm_hour != hour_unset)
2950 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2951 [# If we have tzset, assume the worst when cross-compiling.
2952 emacs_cv_localtime_cache=yes])
2954 # If we lack tzset, report that localtime does not cache TZ,
2955 # since we can't invalidate the cache if we don't have tzset.
2956 emacs_cv_localtime_cache=no
2958 AC_MSG_RESULT($emacs_cv_localtime_cache)
2959 if test $emacs_cv_localtime_cache = yes; then
2960 AC_DEFINE(LOCALTIME_CACHE, 1,
2961 [Define to 1 if localtime caches TZ.])
2964 if test "x$HAVE_TIMEVAL" = xyes; then
2965 AC_CHECK_FUNCS(gettimeofday)
2966 if test $ac_cv_func_gettimeofday = yes; then
2967 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2968 emacs_cv_gettimeofday_two_arguments,
2969 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2970 #ifdef TIME_WITH_SYS_TIME
2971 #include <sys/time.h>
2974 #ifdef HAVE_SYS_TIME_H
2975 #include <sys/time.h>
2980 [[struct timeval time;
2981 gettimeofday (&time, 0);]])],
2982 emacs_cv_gettimeofday_two_arguments=yes,
2983 emacs_cv_gettimeofday_two_arguments=no)])
2984 if test $emacs_cv_gettimeofday_two_arguments = no; then
2985 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2986 [Define to 1 if gettimeofday accepts only one argument.])
2992 AC_CHECK_FUNC(socket, , ok_so_far=no)
2993 if test $ok_so_far = yes; then
2994 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2996 if test $ok_so_far = yes; then
2997 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2999 if test $ok_so_far = yes; then
3000 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3001 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3002 [Define to 1 if you have inet sockets.])
3005 if test -f /usr/lpp/X11/bin/smt.exp; then
3006 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3007 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3010 AC_MSG_CHECKING(whether system supports dynamic ptys)
3011 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3013 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3020 dnl Adapted from Haible's version.
3021 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3022 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3023 [[char* cs = nl_langinfo(CODESET);]])],
3024 emacs_cv_langinfo_codeset=yes,
3025 emacs_cv_langinfo_codeset=no)
3027 if test $emacs_cv_langinfo_codeset = yes; then
3028 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3029 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3034 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3035 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3036 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3037 if test "$emacs_cv_c_restrict_arr" = yes; then
3038 AC_DEFINE(__restrict_arr, __restrict,
3039 [Define to compiler's equivalent of C99 restrict keyword in array
3040 declarations. Define as empty for no equivalent.])
3043 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3044 dnl how the tty code is related to POSIX and/or other versions of termios.
3045 dnl The following looks like a useful start.
3047 dnl AC_SYS_POSIX_TERMIOS
3048 dnl if test $ac_cv_sys_posix_termios = yes; then
3049 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3050 dnl and macros for terminal control.])
3051 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3054 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
3056 # Set up the CFLAGS for real compilation, so we can substitute it.
3057 CFLAGS="$REAL_CFLAGS"
3058 CPPFLAGS="$REAL_CPPFLAGS"
3060 ## Hack to detect a buggy GCC version.
3061 if test "x$GCC" = xyes \
3062 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3063 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3064 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3065 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3068 version=$PACKAGE_VERSION
3070 ### Specify what sort of things we'll be editing into Makefile and config.h.
3071 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3073 AC_SUBST(configuration)
3078 AC_SUBST(exec_prefix)
3081 AC_SUBST(sharedstatedir)
3082 AC_SUBST(libexecdir)
3086 AC_SUBST(locallisppath)
3088 AC_SUBST(x_default_search_path)
3090 AC_SUBST(archlibdir)
3095 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3096 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3097 ## end of LIBX_BASE, but nothing ever set it.
3098 AC_SUBST(LD_SWITCH_X_SITE)
3099 AC_SUBST(C_SWITCH_X_SITE)
3100 AC_SUBST(C_SWITCH_X_SYSTEM)
3102 ## Used in lwlib/Makefile.in.
3103 AC_SUBST(X_TOOLKIT_TYPE)
3104 if test -n "${machfile}"; then
3105 M_FILE="\$(srcdir)/${machfile}"
3109 S_FILE="\$(srcdir)/${opsysfile}"
3113 AC_SUBST(ns_appbindir)
3114 AC_SUBST(ns_appresdir)
3116 AC_SUBST(GNU_OBJC_CFLAGS)
3117 AC_SUBST(OTHER_FILES)
3119 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3120 [Define to the canonical Emacs configuration name.])
3121 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3122 [Define to the options passed to configure.])
3123 if test -n "$machfile"; then
3124 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3125 [Define to the used machine dependent file.])
3127 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3128 [Define to the used os dependent file.])
3133 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3134 AC_DEFINE(HAVE_X_WINDOWS, 1,
3135 [Define to 1 if you want to use the X window system.])
3137 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3139 if test "$HAVE_XFT" = "yes"; then
3140 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3141 elif test "$HAVE_FREETYPE" = "yes"; then
3142 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3152 if test "${USE_X_TOOLKIT}" != "none" ; then
3154 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3155 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3156 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3157 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3158 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3162 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3163 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3167 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3168 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3169 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3173 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3174 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3177 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3180 AC_SUBST(WIDGET_OBJ)
3183 case "$USE_X_TOOLKIT" in
3184 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3185 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3186 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3188 AC_SUBST(TOOLKIT_LIBW)
3190 if test "$USE_X_TOOLKIT" = "none"; then
3191 LIBXT_OTHER="\$(LIBXSM)"
3192 OLDXMENU_TARGET="really-oldXMenu"
3194 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3195 OLDXMENU_TARGET="really-lwlib"
3197 AC_SUBST(LIBXT_OTHER)
3199 ## The X Menu stuff is present in the X10 distribution, but missing
3200 ## from X11. If we have X10, just use the installed library;
3201 ## otherwise, use our own copy.
3202 if test "${HAVE_X11}" = "yes" ; then
3203 AC_DEFINE(HAVE_X11, 1,
3204 [Define to 1 if you want to use version 11 of X windows.
3205 Otherwise, Emacs expects to use version 10.])
3207 if test "$USE_X_TOOLKIT" = "none"; then
3208 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3210 OLDXMENU="\${lwlibdir}/liblw.a"
3212 LIBXMENU="\$(OLDXMENU)"
3213 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3214 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3216 ## For a syntactically valid Makefile; not actually used for anything.
3217 ## See comments in src/Makefile.in.
3219 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3220 if test "${HAVE_X_WINDOWS}" = "yes"; then
3229 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3236 AC_SUBST(OLDXMENU_TARGET)
3239 AC_SUBST(LIBX_OTHER)
3240 AC_SUBST(OLDXMENU_DEPS)
3242 if test "${HAVE_MENUS}" = "yes" ; then
3243 AC_DEFINE(HAVE_MENUS, 1,
3244 [Define to 1 if you have mouse menus.
3245 (This is automatic if you use X, but the option to specify it remains.)
3246 It is also defined with other window systems that support xmenu.c.])
3249 if test "${GNU_MALLOC}" = "yes" ; then
3250 AC_DEFINE(GNU_MALLOC, 1,
3251 [Define to 1 if you want to use the GNU memory allocator.])
3255 if test "${REL_ALLOC}" = "yes" ; then
3256 AC_DEFINE(REL_ALLOC, 1,
3257 [Define REL_ALLOC if you want to use the relocating allocator for
3260 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3262 AC_SUBST(RALLOC_OBJ)
3264 if test "$opsys" = "cygwin"; then
3265 CYGWIN_OBJ="sheap.o"
3266 ## Cygwin differs because of its unexec().
3268 POST_ALLOC_OBJ=lastfile.o
3271 PRE_ALLOC_OBJ=lastfile.o
3274 AC_SUBST(CYGWIN_OBJ)
3275 AC_SUBST(PRE_ALLOC_OBJ)
3276 AC_SUBST(POST_ALLOC_OBJ)
3280 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3283 ## The -headerpad option tells ld (see man page) to leave room at the
3284 ## end of the header for adding load commands. Needed for dumping.
3285 ## 0x690 is the total size of 30 segment load commands (at 56
3286 ## each); under Cocoa 31 commands are required.
3287 if test "$HAVE_NS" = "yes"; then
3288 libs_nsgui="-framework AppKit"
3294 LD_SWITCH_SYSTEM_TEMACS="-prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3296 ## This is here because src/Makefile.in did some extra fiddling around
3297 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3298 ## #ifndef LD_SWITCH_SYSTEM
3299 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3300 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3301 ## not using gcc, darwin system not on an alpha (ie darwin, since
3302 ## darwin + alpha does not occur).
3303 ## Because this was done in src/Makefile.in, the resulting part of
3304 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3305 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3306 ## rather than LD_SWITCH_SYSTEM.
3307 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3308 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3311 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3312 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3313 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3314 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3315 ## had different values in configure (in ac_link) and src/Makefile.in.
3316 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3317 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3319 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3322 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3323 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3326 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3332 ## gnu: GNU needs its own crt0.
3333 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3335 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3336 ## library search parth, i.e. it won't search /usr/lib for libc and
3337 ## friends. Using -nostartfiles instead avoids this problem, and
3338 ## will also work on earlier NetBSD releases.
3339 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3341 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3342 ## MkLinux/LinuxPPC needs this.
3343 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3346 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3352 if test "x$ORDINARY_LINK" = "xyes"; then
3355 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3357 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3358 ## freebsd, gnu-* not on macppc|ibms390x.
3359 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3361 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3362 ## places that are difficult to figure out at make time. Fortunately,
3363 ## these same versions allow you to pass arbitrary flags on to the
3364 ## linker, so there is no reason not to use it as a linker.
3366 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3367 ## searching for libraries in its internal directories, so we have to
3368 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3369 LD_FIRSTFLAG="-nostdlib"
3372 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3373 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3375 AC_SUBST(LD_FIRSTFLAG)
3378 ## FIXME? The logic here is not precisely the same as that above.
3379 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3380 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3382 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3385 freebsd|netbsd|openbsd) LIB_GCC= ;;
3388 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3389 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3395 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3396 ## immediately undefine it again and redefine it to empty.
3397 ## Was the C_SWITCH_X_SITE part really necessary?
3398 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3404 ## Ask GCC where to find libgcc.a.
3405 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3411 ## If we're using X11/GNUstep, define some consequences.
3412 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3413 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3414 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3418 AH_TOP([/* GNU Emacs site configuration template file.
3420 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3421 Free Software Foundation, Inc.
3423 This file is part of GNU Emacs.
3425 GNU Emacs is free software: you can redistribute it and/or modify
3426 it under the terms of the GNU General Public License as published by
3427 the Free Software Foundation, either version 3 of the License, or
3428 (at your option) any later version.
3430 GNU Emacs is distributed in the hope that it will be useful,
3431 but WITHOUT ANY WARRANTY; without even the implied warranty of
3432 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3433 GNU General Public License for more details.
3435 You should have received a copy of the GNU General Public License
3436 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3439 /* No code in Emacs #includes config.h twice, but some bits of code
3440 intended to work with other packages as well (like gmalloc.c)
3441 think they can include it as many times as they like. */
3442 #ifndef EMACS_CONFIG_H
3443 #define EMACS_CONFIG_H
3447 /* Define AMPERSAND_FULL_NAME if you use the convention
3448 that & in the full name stands for the login id. */
3449 /* Turned on June 1996 supposing nobody will mind it. */
3450 #define AMPERSAND_FULL_NAME
3452 /* If using GNU, then support inline function declarations. */
3453 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3454 generally, because even if non-gcc compilers accept `inline', they
3455 may reject `extern inline'. */
3456 #if defined (__GNUC__)
3457 #define INLINE __inline__
3462 /* `subprocesses' should be defined if you want to
3463 have code for asynchronous subprocesses
3464 (as used in M-x compile and M-x shell).
3465 Only MSDOS does not support this (it overrides
3466 this in its config_opsysfile below). */
3468 #define subprocesses
3470 /* Include the os and machine dependent files. */
3471 #include config_opsysfile
3472 #ifdef config_machfile
3473 # include config_machfile
3476 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3477 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3478 (There is probably a better place to do this, but right now the
3479 Cocoa side does this in s/darwin.h and we cannot parallel this
3480 exactly since GNUstep is multi-OS. */
3481 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3482 # define SYSTEM_PURESIZE_EXTRA 30000
3485 #ifdef emacs /* Don't do this for lib-src. */
3486 /* Tell regex.c to use a type compatible with Emacs. */
3487 #define RE_TRANSLATE_TYPE Lisp_Object
3488 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3490 /* If make_number is a macro, use it. */
3491 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3493 /* If make_number is a function, avoid it. */
3494 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3498 /* These default definitions are good for almost all machines.
3499 Any exceptions should override them in m/MACHINE.h.
3500 They must be usable in preprocessor conditionals. */
3502 #ifndef BITS_PER_CHAR
3503 #define BITS_PER_CHAR 8
3506 #ifndef BITS_PER_SHORT
3507 #define BITS_PER_SHORT 16
3510 #ifndef BITS_PER_INT
3511 #define BITS_PER_INT 32
3514 #ifndef BITS_PER_LONG
3516 #define BITS_PER_LONG 64
3518 #define BITS_PER_LONG 32
3522 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3523 #define BITS_PER_LONG_LONG 64
3526 /* Define if the compiler supports function prototypes. It may do so but
3527 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3533 #ifdef HAVE_ALLOCA_H
3534 # include <alloca.h>
3535 #elif defined __GNUC__
3536 # define alloca __builtin_alloca
3538 # define alloca __alloca
3540 # include <stddef.h>
3544 void *alloca (size_t);
3548 #define strchr(a, b) index (a, b)
3551 #ifndef HAVE_STRRCHR
3552 #define strrchr(a, b) rindex (a, b)
3555 #if defined __GNUC__ && (__GNUC__ > 2 \
3556 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3557 #define NO_RETURN __attribute__ ((__noreturn__))
3559 #define NO_RETURN /* nothing */
3562 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3563 #define NO_INLINE __attribute__((noinline))
3568 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3569 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3571 #define EXTERNALLY_VISIBLE
3574 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3575 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3577 # define ATTRIBUTE_FORMAT(spec) /* empty */
3580 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3581 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3582 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3584 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3585 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3588 /* Some versions of GNU/Linux define noinline in their headers. */
3593 /* These won't be used automatically yet. We also need to know, at least,
3594 that the stack is continuous. */
3596 # ifndef GC_SETJMP_WORKS
3597 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3598 # define GC_SETJMP_WORKS 1
3600 # ifndef GC_LISP_OBJECT_ALIGNMENT
3601 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3605 #endif /* EMACS_CONFIG_H */
3614 #### Report on what we decided to do.
3615 #### Report GTK as a toolkit, even if it doesn't use Xt.
3616 #### It makes printing result more understandable as using GTK sets
3617 #### toolkit_scroll_bars to yes by default.
3618 if test "${HAVE_GTK}" = "yes"; then
3623 if test -n "$machfile"; then
3624 and_machfile=" and \`${machfile}'"
3628 Configured for \`${canonical}'.
3630 Where should the build process find the source code? ${srcdir}
3631 What operating system and machine description files should Emacs use?
3632 \`${opsysfile}'${and_machfile}
3633 What compiler should emacs be built with? ${CC} ${CFLAGS}
3634 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3635 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3636 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3637 What window system should Emacs use? ${window_system}
3638 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3640 if test -n "${x_includes}"; then
3641 echo " Where do we find X Windows header files? ${x_includes}"
3643 echo " Where do we find X Windows header files? Standard dirs"
3645 if test -n "${x_libraries}"; then
3646 echo " Where do we find X Windows libraries? ${x_libraries}"
3648 echo " Where do we find X Windows libraries? Standard dirs"
3651 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3652 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3653 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3654 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3655 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3656 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3657 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3658 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3660 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3661 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3662 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3663 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3664 echo " Does Emacs use -lgnutls (2.6.x or higher)? ${HAVE_GNUTLS}"
3665 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3667 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3668 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3669 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3670 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3672 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3675 if test $USE_XASSERTS = yes; then
3676 echo " Compiling with asserts turned on."
3677 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3682 if test "$HAVE_NS" = "yes"; then
3684 echo "You must run \"make install\" in order to test the built application.
3685 The installed application will go to nextstep/Emacs.app and can be
3686 run or moved from there."
3687 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3688 echo "The application will be fully self-contained."
3690 echo "The lisp resources for the application will be installed under ${prefix}.
3691 You may need to run \"make install\" with sudo. The application will fail
3692 to run if these resources are not installed."
3698 # Remove any trailing slashes in these variables.
3699 [test "${prefix}" != NONE &&
3700 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3701 test "${exec_prefix}" != NONE &&
3702 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3704 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3705 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3706 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3707 dnl (else you get "no `Makefile.am' found for any configure output").
3708 dnl This will work, but you get a config.status that is not quite right
3709 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3710 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3711 dnl it seems better to just live with the duplication.
3712 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile"
3714 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3715 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3716 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3719 dnl test/ is not present in release tarfiles.
3720 opt_makefile=test/automated/Makefile
3722 if test -f $srcdir/${opt_makefile}.in; then
3723 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3724 dnl Again, it's best not to use a variable. Though you can add
3725 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3726 AC_CONFIG_FILES([test/automated/Makefile])
3729 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3731 AC_SUBST(SUBDIR_MAKEFILES_IN)
3733 dnl Make the necessary directories, if they don't exist.
3734 AC_CONFIG_COMMANDS([mkdirs], [
3735 for dir in etc lisp ; do
3736 test -d ${dir} || mkdir ${dir}
3740 dnl You might wonder (I did) why epaths.h is generated by running make,
3741 dnl rather than just letting configure generate it from epaths.in.
3742 dnl One reason is that the various paths are not fully expanded (see above);
3743 dnl eg gamedir=${prefix}/var/games/emacs.
3744 dnl Secondly, the GNU Coding standards require that one should be able
3745 dnl to run `make prefix=/some/where/else' and override the values set
3746 dnl by configure. This also explains the `move-if-change' test and
3747 dnl the use of force in the `epaths-force' rule in Makefile.in.
3748 AC_CONFIG_COMMANDS([epaths], [
3749 echo creating src/epaths.h
3750 ${MAKE-make} epaths-force
3751 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3753 AC_CONFIG_COMMANDS([gdbinit], [
3754 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3755 echo creating src/.gdbinit
3756 echo source $srcdir/src/.gdbinit > src/.gdbinit
3762 dnl configure.in ends here