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, 1995, 1996, 1999, 2000, 2001, 2002, 2003, 2004,
8 dnl 2005, 2006, 2007, 2008, 2009, 2010
9 dnl Free Software Foundation, Inc.
11 dnl This file is part of GNU Emacs.
13 dnl GNU Emacs is free software: you can redistribute it and/or modify
14 dnl it under the terms of the GNU General Public License as published by
15 dnl the Free Software Foundation, either version 3 of the License, or
16 dnl (at your option) any later version.
18 dnl GNU Emacs is distributed in the hope that it will be useful,
19 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
20 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 dnl GNU General Public License for more details.
23 dnl You should have received a copy of the GNU General Public License
24 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
27 AC_INIT(emacs, 24.0.50)
28 AC_CONFIG_HEADER(src/config.h:src/config.in)
29 AC_CONFIG_SRCDIR(src/lisp.h)
31 dnl Support for --program-prefix, --program-suffix and
32 dnl --program-transform-name options
35 lispdir='${datadir}/emacs/${version}/lisp'
36 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
37 '${datadir}/emacs/site-lisp'
38 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
39 etcdir='${datadir}/emacs/${version}/etc'
40 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
41 docdir='${datadir}/emacs/${version}/etc'
42 gamedir='${localstatedir}/games/emacs'
46 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
47 dnl Create a new --with option that defaults to being disabled.
48 dnl NAME is the base name of the option. The shell variable with_NAME
49 dnl will be set to either the user's value (if the option is
50 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
51 dnl option is not specified). Note that the shell variable name is
52 dnl constructed as autoconf does, by replacing non-alphanumeric
53 dnl characters with "_".
54 dnl HELP-STRING is the help text for the option.
55 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
56 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
57 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
60 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
61 dnl Create a new --with option that defaults to being enabled. NAME
62 dnl is the base name of the option. The shell variable with_NAME
63 dnl will be set either to 'no' (for a plain --without-NAME) or to
64 dnl 'yes' (if the option is not specified). Note that the shell
65 dnl variable name is constructed as autoconf does, by replacing
66 dnl non-alphanumeric characters with "_".
67 dnl HELP-STRING is the help text for the option.
68 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
69 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
70 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
73 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
74 if test "$with_pop" = yes; then
75 AC_DEFINE(MAIL_USE_POP)
77 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
79 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
80 if test "$with_kerberos" != no; then
84 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
86 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
87 if test "${with_kerberos5}" != no; then
88 if test "${with_kerberos}" = no; then
92 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
95 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
96 dnl FIXME hesiod support may not be present, so it seems like an error
97 dnl to define, or at least use, this unconditionally.
98 if test "$with_hesiod" != no; then
99 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
102 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
103 if test "$with_mmdf" != no; then
104 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
107 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
108 if test "$with_mail_unlink" != no; then
109 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
112 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
113 [string giving default POP mail host])],
114 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
116 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
118 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
119 if test "$with_sync_input" = yes; then
120 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
123 dnl FIXME currently it is not the last.
124 dnl This should be the last --with option, because --with-x is
125 dnl added later on when we find the path of X, and it's best to
126 dnl keep them together visually.
127 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
128 [use an X toolkit (KIT one of: yes or gtk, lucid or athena, motif, no)])],
129 [ case "${withval}" in
130 y | ye | yes ) val=gtk ;;
132 l | lu | luc | luci | lucid ) val=lucid ;;
133 a | at | ath | athe | athen | athena ) val=athena ;;
134 m | mo | mot | moti | motif ) val=motif ;;
135 g | gt | gtk ) val=gtk ;;
137 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
138 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
139 `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
145 dnl _ON results in a '--without' option in the --help output, so
146 dnl the help text should refer to "don't compile", etc.
147 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
148 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
149 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
150 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
151 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
152 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
154 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
155 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
156 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
158 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
159 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
160 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
161 OPTION_DEFAULT_OFF([ns],[use nextstep (Cocoa or GNUstep) windowing system])
163 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
164 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
165 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
166 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
168 ## For the times when you want to build Emacs but don't have
169 ## a suitable makeinfo, and can live without the manuals.
170 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
171 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
173 AC_ARG_WITH([pkg-config-prog],dnl
174 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
175 [path to pkg-config for finding GTK and librsvg])])
176 if test "X${with_pkg_config_prog}" != X; then
177 if test "${with_pkg_config_prog}" != yes; then
178 PKG_CONFIG="${with_pkg_config_prog}"
183 AC_ARG_WITH([crt-dir],dnl
184 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
185 The default is /usr/lib, or /usr/lib64 on some platforms.])])
186 CRT_DIR="${with_crt_dir}"
188 AC_ARG_WITH([gnustep-conf],dnl
189 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
190 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
191 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
192 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
193 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
195 AC_ARG_ENABLE(ns-self-contained,
196 [AS_HELP_STRING([--disable-ns-self-contained],
197 [disable self contained build under NeXTstep])],
198 EN_NS_SELF_CONTAINED=$enableval,
199 EN_NS_SELF_CONTAINED=yes)
201 AC_ARG_ENABLE(asserts,
202 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
203 USE_XASSERTS=$enableval,
206 AC_ARG_ENABLE(maintainer-mode,
207 [AS_HELP_STRING([--enable-maintainer-mode],
208 [enable make rules and dependencies not useful (and sometimes
209 confusing) to the casual installer])],
210 USE_MAINTAINER_MODE=$enableval,
211 USE_MAINTAINER_MODE=no)
212 if test $USE_MAINTAINER_MODE = yes; then
219 AC_ARG_ENABLE(locallisppath,
220 [AS_HELP_STRING([--enable-locallisppath=PATH],
221 [directories Emacs should search for lisp files specific
223 if test "${enableval}" = "no"; then
225 elif test "${enableval}" != "yes"; then
226 locallisppath=${enableval}
229 AC_ARG_ENABLE(checking,
230 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
231 [enable expensive run-time checks. With LIST,
232 enable only specific categories of checks.
233 Categories are: all,yes,no.
234 Flags are: stringbytes, stringoverrun, stringfreelist,
235 xmallocoverrun, conslist])],
236 [ac_checking_flags="${enableval}"],[])
237 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
238 for check in $ac_checking_flags
241 # these set all the flags to specific states
242 yes) ac_enable_checking=1 ;;
243 no) ac_enable_checking= ;
244 ac_gc_check_stringbytes= ;
245 ac_gc_check_string_overrun= ;
246 ac_gc_check_string_free_list= ;
247 ac_xmalloc_overrun= ;
248 ac_gc_check_cons_list= ;;
249 all) ac_enable_checking=1 ;
250 ac_gc_check_stringbytes=1 ;
251 ac_gc_check_string_overrun=1 ;
252 ac_gc_check_string_free_list=1 ;
253 ac_xmalloc_overrun=1 ;
254 ac_gc_check_cons_list=1 ;;
255 # these enable particular checks
256 stringbytes) ac_gc_check_stringbytes=1 ;;
257 stringoverrun) ac_gc_check_string_overrun=1 ;;
258 stringfreelist) ac_gc_check_string_free_list=1 ;;
259 xmallocoverrun) ac_xmalloc_overrun=1 ;;
260 conslist) ac_gc_check_cons_list=1 ;;
261 *) AC_MSG_ERROR(unknown check category $check) ;;
266 if test x$ac_enable_checking != x ; then
267 AC_DEFINE(ENABLE_CHECKING, 1,
268 [Enable expensive run-time checking of data types?])
270 if test x$ac_gc_check_stringbytes != x ; then
271 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
272 [Define this temporarily to hunt a bug. If defined, the size of
273 strings is redundantly recorded in sdata structures so that it can
274 be compared to the sizes recorded in Lisp strings.])
276 if test x$ac_gc_check_stringoverrun != x ; then
277 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
278 [Define this to check for short string overrun.])
280 if test x$ac_gc_check_string_free_list != x ; then
281 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
282 [Define this to check the string free list.])
284 if test x$ac_xmalloc_overrun != x ; then
285 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
286 [Define this to check for malloc buffer overrun.])
288 if test x$ac_gc_check_cons_list != x ; then
289 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
290 [Define this to check for errors in cons list.])
293 AC_ARG_ENABLE(profiling,
294 [AS_HELP_STRING([--enable-profiling],
295 [build emacs with profiling support.
296 This might not work on all platforms])],
297 [ac_enable_profiling="${enableval}"],[])
298 if test x$ac_enable_profiling != x ; then
299 PROFILING_CFLAGS="-DPROFILING=1 -pg"
300 PROFILING_LDFLAGS="-pg"
306 AC_ARG_ENABLE(autodepend,
307 [AS_HELP_STRING([--enable-autodepend],
308 [automatically generate dependencies to .h-files.
309 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
311 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
313 #### Make srcdir absolute, if it isn't already. It's important to
314 #### avoid running the path through pwd unnecessarily, since pwd can
315 #### give you automounter prefixes, which can go away. We do all this
316 #### so Emacs can find its files when run uninstalled.
317 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
322 ## We may be able to use the $PWD environment variable to make this
323 ## absolute. But sometimes PWD is inaccurate.
324 ## Note: we used to use ${PWD} at the end instead of `pwd`,
325 ## but that tested only for a well-formed and valid PWD,
326 ## it did not object when PWD was well-formed and valid but just wrong.
327 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
331 srcdir="`(cd ${srcdir}; pwd)`"
334 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
337 #### Check if the source directory already has a configured system in it.
338 if test `pwd` != `(cd ${srcdir} && pwd)` \
339 && test -f "${srcdir}/src/config.h" ; then
340 AC_MSG_WARN([[The directory tree `${srcdir}' is being used
341 as a build directory right now; it has been configured in its own
342 right. To configure in another directory as well, you MUST
343 use GNU make. If you do not have GNU make, then you must
344 now do `make distclean' in ${srcdir},
345 and then run $0 again.]])
348 #### Given the configuration name, set machfile and opsysfile to the
349 #### names of the m/*.h and s/*.h files we should use.
351 ### Canonicalize the configuration name.
355 configuration=${host_alias-${build_alias-$host}}
357 dnl This used to use changequote, but, apart from `changequote is evil'
358 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
359 dnl the great gob of text. Thus it's not processed for possible expansion.
360 dnl Just make sure the brackets remain balanced.
362 dnl Since Emacs can't find matching pairs of quotes, boundaries are
363 dnl indicated by comments.
367 ### If you add support for a new configuration, add code to this
368 ### switch statement to recognize your configuration name and select
369 ### the appropriate operating system and machine description files.
371 ### You would hope that you could choose an m/*.h file pretty much
372 ### based on the machine portion of the configuration name, and an s/*.h
373 ### file based on the operating system portion. However, it turns out
374 ### that each m/*.h file is pretty manufacturer-specific - for
375 ### example mips.h is MIPS
376 ### So we basically have to have a special case for each
377 ### configuration name.
379 ### As far as handling version numbers on operating systems is
380 ### concerned, make sure things will fail in a fixable way. If
381 ### /etc/MACHINES doesn't say anything about version numbers, be
382 ### prepared to handle anything reasonably. If version numbers
383 ### matter, be sure /etc/MACHINES says something about it.
385 machine='' opsys='' unported=no
386 case "${canonical}" in
391 case "${canonical}" in
392 alpha*) machine=alpha ;;
393 amd64-*|x86_64-*) machine=amdx86-64 ;;
395 ia64-*) machine=ia64 ;;
396 i[3456]86-*) machine=intel386 ;;
397 powerpc-*) machine=macppc ;;
398 sparc-*) machine=sparc ;;
399 sparc64-*) machine=sparc ;;
403 ## FreeBSD kernel + glibc based userland
406 case "${canonical}" in
407 alpha*) machine=alpha ;;
408 amd64-*|x86_64-*) machine=amdx86-64 ;;
409 ia64-*) machine=ia64 ;;
410 i[3456]86-*) machine=intel386 ;;
411 powerpc-*) machine=macppc ;;
412 sparc-*) machine=sparc ;;
413 sparc64-*) machine=sparc ;;
420 case "${canonical}" in
421 alpha*) machine=alpha ;;
422 x86_64-*) machine=amdx86-64 ;;
423 arm-*) machine=arm ;;
424 hppa-*) machine=hp800 ;;
425 i[3456]86-*) machine=intel386 ;;
426 m68k-*) machine=m68k ;;
427 powerpc-*) machine=macppc ;;
428 mips-*) machine=mips ;;
429 mipse[bl]-*) machine=mips ;;
430 sparc*-) machine=sparc ;;
431 vax-*) machine=vax ;;
438 case "${canonical}" in
439 alpha*) machine=alpha ;;
440 x86_64-*) machine=amdx86-64 ;;
441 arm-*) machine=arm ;;
442 hppa-*) machine=hp800 ;;
443 i386-*) machine=intel386 ;;
444 powerpc-*) machine=macppc ;;
445 sparc*) machine=sparc ;;
446 vax-*) machine=vax ;;
450 alpha*-*-linux-gnu* )
451 machine=alpha opsys=gnu-linux
455 machine=arm opsys=gnu-linux
458 ## Apple Darwin / Mac OS X
460 case "${canonical}" in
461 i[3456]86-* ) machine=intel386 ;;
462 powerpc-* ) machine=macppc ;;
463 x86_64-* ) machine=amdx86-64 ;;
467 # Define CPP as follows to make autoconf work correctly.
468 CPP="${CC-cc} -E -no-cpp-precomp"
469 # Use fink packages if available.
470 if test -d /sw/include && test -d /sw/lib; then
471 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
472 CPP="${CPP} ${GCC_TEST_OPTIONS}"
473 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
477 ## HP 9000 series 700 and 800, running HP/UX
479 machine=hp800 opsys=hpux10-20
481 hppa*-hp-hpux1[1-9]* )
482 machine=hp800 opsys=hpux11
483 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
487 machine=hp800 opsys=gnu-linux
492 machine=ibms390 opsys=gnu-linux
495 machine=ibms390x opsys=gnu-linux
497 rs6000-ibm-aix4.[23]* )
498 machine=ibmrs6000 opsys=aix4-2
500 powerpc-ibm-aix4.[23]* )
501 machine=ibmrs6000 opsys=aix4-2
503 rs6000-ibm-aix[56]* )
504 machine=ibmrs6000 opsys=aix4-2
506 powerpc-ibm-aix[56]* )
507 machine=ibmrs6000 opsys=aix4-2
511 powerpc*-*-linux-gnu* )
512 machine=macppc opsys=gnu-linux
515 ## Silicon Graphics machines
518 machine=iris4d opsys=irix6-5
519 # Without defining _LANGUAGE_C, things get masked out in the headers
520 # so that, for instance, grepping for `free' in stdlib.h fails and
521 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
522 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
523 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
527 sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
528 machine=sparc opsys=gnu-linux
532 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
533 | x86_64-*-solaris2* | x86_64-*-sunos5*)
534 case "${canonical}" in
535 i[3456]86-*-* ) machine=intel386 ;;
536 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
537 sparc* ) machine=sparc ;;
540 case "${canonical}" in
541 *-sunos5.6* | *-solaris2.6* )
543 NON_GNU_CPP=/usr/ccs/lib/cpp
546 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
548 emacs_check_sunpro_c=yes
549 NON_GNU_CPP=/usr/ccs/lib/cpp
551 *-sunos5* | *-solaris* )
553 emacs_check_sunpro_c=yes
554 NON_GNU_CPP=/usr/ccs/lib/cpp
557 ## Watch out for a compiler that we know will not work.
558 case "${canonical}" in
559 *-solaris* | *-sunos5* )
560 if [ "x$CC" = x/usr/ucb/cc ]; then
561 ## /usr/ucb/cc doesn't work;
562 ## we should find some other compiler that does work.
572 machine=ia64 opsys=gnu-linux
575 ## Intel 386 machines where we don't care about the manufacturer.
578 case "${canonical}" in
579 *-cygwin ) opsys=cygwin ;;
580 *-darwin* ) opsys=darwin
581 CPP="${CC-cc} -E -no-cpp-precomp"
583 *-linux-gnu* ) opsys=gnu-linux ;;
584 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
585 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
586 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
587 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
591 ## m68k Linux-based GNU system
593 machine=m68k opsys=gnu-linux
596 ## Mips Linux-based GNU system
597 mips-*-linux-gnu* | mipsel-*-linux-gnu* \
598 | mips64-*-linux-gnu* | mips64el-*-linux-gnu* )
599 machine=mips opsys=gnu-linux
602 ## AMD x86-64 Linux-based GNU system
603 x86_64-*-linux-gnu* )
604 machine=amdx86-64 opsys=gnu-linux
607 ## Tensilica Xtensa Linux-based GNU system
608 xtensa*-*-linux-gnu* )
609 machine=xtensa opsys=gnu-linux
612 ## SuperH Linux-based GNU system
613 sh[34]*-*-linux-gnu* )
614 machine=sh3 opsys=gnu-linux
622 ### If the code above didn't choose an operating system, just choose
623 ### an operating system based on the configuration name. You really
624 ### only want to use this when you have no idea what the right
625 ### operating system is; if you know what operating systems a machine
626 ### runs, it's cleaner to make it explicit in the case statement
628 if test x"${opsys}" = x; then
629 case "${canonical}" in
630 *-gnu* ) opsys=gnu ;;
640 if test $unported = yes; then
641 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
642 Check `etc/MACHINES' for recognized configuration names.])
645 machfile="m/${machine}.h"
646 opsysfile="s/${opsys}.h"
649 #### Choose a compiler.
650 test -n "$CC" && cc_specified=yes
652 # Save the value of CFLAGS that the user specified.
653 SPECIFIED_CFLAGS="$CFLAGS"
655 dnl Sets GCC=yes if using gcc.
658 # On Suns, sometimes $CPP names a directory.
659 if test -n "$CPP" && test -d "$CPP"; then
663 ## If not using gcc, and on Solaris, and no CPP specified, see if
664 ## using a Sun compiler, which needs -Xs to prevent whitespace.
665 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
666 test x"$CPP" = x; then
667 AC_MSG_CHECKING([whether we are using a Sun C compiler])
668 AC_CACHE_VAL(emacs_cv_sunpro_c,
673 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
674 AC_MSG_RESULT($emacs_cv_sunpro_c)
676 if test x"$emacs_cv_sunpro_c" = xyes; then
677 NON_GNU_CPP="$CC -E -Xs"
681 #### Some systems specify a CPP to use unless we are using GCC.
682 #### Now that we know whether we are using GCC, we can decide whether
683 #### to use that one.
684 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
689 #### Some systems specify a CC to use unless we are using GCC.
690 #### Now that we know whether we are using GCC, we can decide whether
691 #### to use that one.
692 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
693 test x$cc_specified != xyes
698 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
700 CC="$CC $GCC_TEST_OPTIONS"
703 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
705 CC="$CC $NON_GCC_TEST_OPTIONS"
708 dnl checks for Unix variants
709 AC_USE_SYSTEM_EXTENSIONS
711 ### Use -Wno-pointer-sign if the compiler supports it
712 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
713 SAVE_CFLAGS="$CFLAGS"
714 CFLAGS="$CFLAGS -Wno-pointer-sign"
715 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
716 if test $has_option = yes; then
717 C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
719 AC_MSG_RESULT($has_option)
720 CFLAGS="$SAVE_CFLAGS"
724 ### Use -Wdeclaration-after-statement if the compiler supports it
725 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
726 SAVE_CFLAGS="$CFLAGS"
727 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
728 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
729 if test $has_option = yes; then
730 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
732 AC_MSG_RESULT($has_option)
733 CFLAGS="$SAVE_CFLAGS"
737 #### Some other nice autoconf tests.
739 dnl checks for programs
742 if test "x$RANLIB" = x; then
746 ## Although we're running on an amd64 kernel, we're actually compiling for
747 ## the x86 architecture. The user should probably have provided an
748 ## explicit --build to `configure', but if everything else than the kernel
749 ## is running in i386 mode, we can help them out.
750 if test "$machine" = "amdx86-64"; then
751 AC_CHECK_DECL([i386])
752 if test "$ac_cv_have_decl_i386" = "yes"; then
753 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
755 machfile="m/${machine}.h"
759 AC_PATH_PROG(INSTALL_INFO, install-info)
760 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
761 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
762 dnl Don't use GZIP, which is used by gzip for additional parameters.
763 AC_PATH_PROG(GZIP_PROG, gzip)
766 ## Need makeinfo >= 4.6 (?) to build the manuals.
767 AC_PATH_PROG(MAKEINFO, makeinfo, no)
768 dnl By this stage, configure has already checked for egrep and set EGREP,
769 dnl or exited with an error if no egrep was found.
770 if test "$MAKEINFO" != "no" && \
771 test x"`$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
775 ## Makeinfo is unusual. For a released Emacs, the manuals are
776 ## pre-built, and not deleted by the normal clean rules. makeinfo is
777 ## therefore in the category of "special tools" not normally required, which
778 ## configure does not have to check for (eg autoconf itself).
779 ## In a Bazaar checkout on the other hand, the manuals are not included.
780 ## So makeinfo is a requirement to build from Bazaar, and configure
781 ## should test for it as it does for any other build requirement.
782 ## We use the presence of $srcdir/info/emacs to distinguish a release,
783 ## with pre-built manuals, from a Bazaar checkout.
784 if test "$MAKEINFO" = "no"; then
785 if test "x${with_makeinfo}" = "xno"; then
787 elif test ! -e $srcdir/info/emacs; then
788 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
789 source tree does not seem to have pre-built manuals in the `info' directory.
790 Either install a suitable version of makeinfo, or re-run configure
791 with the `--without-makeinfo' option to build without the manuals.] )
795 dnl Add our options to ac_link now, after it is set up.
797 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
799 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
802 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
804 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
807 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
808 dnl If we can link with the flag, it shouldn't do any harm anyhow.
809 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
810 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
811 dnl if not built to support GNU ld.
813 late_LDFLAGS=$LDFLAGS
814 if test "$GCC" = yes; then
815 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
817 LDFLAGS="$LDFLAGS -znocombreloc"
820 AC_MSG_CHECKING([for -znocombreloc])
821 AC_LINK_IFELSE([main(){return 0;}],
822 [AC_MSG_RESULT(yes)],
823 LDFLAGS=$late_LDFLAGS
826 #### Extract some information from the operating system and machine files.
828 AC_CHECKING([the machine- and system-dependent files to find out
829 - which libraries the lib-src programs will want, and
830 - whether the GNU malloc routines are usable])
832 ### First figure out CFLAGS (which we use for running the compiler here)
833 ### and REAL_CFLAGS (which we use for real compilation).
834 ### The two are the same except on a few systems, where they are made
835 ### different to work around various lossages. For example,
836 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
837 ### as implying static linking.
839 ### If the CFLAGS env var is specified, we use that value
840 ### instead of the default.
842 ### It's not important that this name contain the PID; you can't run
843 ### two configures in the same directory and have anything work
845 tempcname="conftest.c"
848 #include "'${srcdir}'/src/'${opsysfile}'"
849 #include "'${srcdir}'/src/'${machfile}'"
851 configure___ LIBX=-lX11
853 configure___ unexec=UNEXEC
856 configure___ cannot_dump=yes
858 configure___ cannot_dump=no
862 configure___ system_malloc=yes
864 configure___ system_malloc=no
867 #ifdef USE_MMAP_FOR_BUFFERS
868 configure___ use_mmap_for_buffers=yes
870 configure___ use_mmap_for_buffers=no
873 #ifndef C_OPTIMIZE_SWITCH
875 #define C_OPTIMIZE_SWITCH -O2
877 #define C_OPTIMIZE_SWITCH -O
881 #ifndef C_WARNINGS_SWITCH
882 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
885 #ifdef THIS_IS_CONFIGURE
887 /* Get the CFLAGS for tests in configure. */
889 configure___ CFLAGS=-g C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
891 configure___ CFLAGS='${SPECIFIED_CFLAGS}'
894 #else /* not THIS_IS_CONFIGURE */
896 /* Get the CFLAGS for real compilation. */
898 configure___ REAL_CFLAGS=-g C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH ${PROFILING_CFLAGS} '${SPECIFIED_CFLAGS}'
900 configure___ REAL_CFLAGS='${SPECIFIED_CFLAGS}'
903 #endif /* not THIS_IS_CONFIGURE */
906 LDFLAGS="${LDFLAGS} ${PROFILING_LDFLAGS}"
908 # The value of CPP is a quoted variable reference, so we need to do this
909 # to get its actual value...
910 CPP=`eval "echo $CPP"`
911 [eval `${CPP} -Isrc ${tempcname} \
912 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
913 if test "x$SPECIFIED_CFLAGS" = x; then
914 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
915 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
917 REAL_CFLAGS="$CFLAGS"
922 AC_SUBST(cannot_dump)
928 ## Let `ld' find image libs and similar things in /usr/local/lib.
929 ## The system compiler, GCC, has apparently been modified to not
930 ## look there, contrary to what a stock GCC would do.
931 LD_SWITCH_SYSTEM=-L/usr/local/lib
935 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
936 test "$machine" = "mips" && LD_SWITCH_SYSTEM="-G 0"
940 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
944 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
945 ## otherwise Emacs dumps core on elf systems.
946 LD_SWITCH_SYSTEM="-Z"
949 AC_SUBST(LD_SWITCH_SYSTEM)
951 ac_link="$ac_link $LD_SWITCH_SYSTEM"
953 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
954 ## which has not been defined yet. When this was handled with cpp,
955 ## it was expanded to null when configure sourced the s/*.h file.
956 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
957 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
958 ## (or somesuch), but because it is supposed to go at the _front_
959 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
960 ## Compare with the gnu-linux case below, which added to the end
961 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
962 ## LD_SWITCH_SYSTEM_TEMACS.
965 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
966 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
971 if test "$machine" = "alpha"; then
972 AC_CHECK_DECL([__ELF__])
973 if test "$ac_cv_have_decl___ELF__" = "yes"; then
974 ## With ELF, make sure that all common symbols get allocated to in the
975 ## data section. Otherwise, the dump of temacs may miss variables in
976 ## the shared library that have been initialized. For example, with
977 ## GNU libc, __malloc_initialized would normally be resolved to the
978 ## shared library's .bss section, which is fatal.
979 if test "x$GCC" = "xyes"; then
980 C_SWITCH_MACHINE="-fno-common"
982 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
986 AC_SUBST(C_SWITCH_MACHINE)
990 ## Some programs in src produce warnings saying certain subprograms
991 ## are too complex and need a MAXMEM value greater than 2000 for
992 ## additional optimization. --nils@exp-math.uni-essen.de
993 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
994 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
995 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
996 ## It is redundant in glibc2, since we define _GNU_SOURCE.
997 AC_SUBST(C_SWITCH_SYSTEM)
1002 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1003 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1005 freebsd) LIBS_SYSTEM="-lutil" ;;
1007 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1009 sol2*) LIBS_SYSTEM="-lsocket -lnsl -lkstat" ;;
1011 ## Motif needs -lgen.
1012 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1014 AC_SUBST(LIBS_SYSTEM)
1017 ### Make sure subsequent tests use flags consistent with the build flags.
1019 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1020 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1022 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1025 dnl For AC_FUNC_GETLOADAVG, at least:
1026 AC_CONFIG_LIBOBJ_DIR(src)
1028 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1032 ## If user specified a crt-dir, use that unconditionally.
1033 if test "X$CRT_DIR" = "X"; then
1035 case "$canonical" in
1036 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1037 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1038 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1039 ## For anything else (eg /usr/lib32), it is up the user to specify
1040 ## the location (bug#5655).
1041 ## Test for crtn.o, not just the directory, because sometimes the
1042 ## directory exists but does not have the relevant files (bug#1287).
1043 ## FIXME better to test for binary compatibility somehow.
1044 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1047 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1051 hpux10-20) CRT_DIR=/lib ;;
1054 ## Default is /usr/lib.
1055 test "X$CRT_DIR" = "X" && CRT_DIR=/usr/lib
1059 ## Some platforms don't use any of these files, so it is not
1060 ## appropriate to put this test outside the if block.
1061 test -e $CRT_DIR/crtn.o || test -e $CRT_DIR/crt0.o || \
1062 AC_MSG_ERROR([crt*.o not found in specified location.])
1075 START_FILES='ecrt0.o'
1078 ## Adding -lm confuses the dynamic linker, so omit it.
1080 START_FILES='pre-crt0.o'
1083 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1084 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1086 gnu-linux | gnu-kfreebsd )
1087 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1088 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1090 hpux10-20 | hpux11 )
1092 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1095 if test -f $CRT_DIR/crti.o; then
1096 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1097 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1099 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1100 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1106 AC_SUBST(START_FILES)
1108 dnl This function definition taken from Gnome 2.0
1109 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1110 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1111 dnl also defines GSTUFF_PKG_ERRORS on error
1112 AC_DEFUN([PKG_CHECK_MODULES], [
1115 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1117 if test "$PKG_CONFIG" = "no" ; then
1118 ifelse([$4], , [AC_MSG_ERROR([
1119 *** 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])
1121 PKG_CONFIG_MIN_VERSION=0.9.0
1122 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1123 AC_MSG_CHECKING(for $2)
1125 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1129 AC_MSG_CHECKING($1_CFLAGS)
1130 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1131 AC_MSG_RESULT($$1_CFLAGS)
1133 AC_MSG_CHECKING($1_LIBS)
1134 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1135 AC_MSG_RESULT($$1_LIBS)
1140 ## If we have a custom action on failure, don't print errors, but
1141 ## do set a variable so people can do so.
1142 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1143 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1149 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1150 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1154 if test $succeeded = yes; then
1155 ifelse([$3], , :, [$3])
1157 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.])], [$4])
1162 if test "${with_sound}" != "no"; then
1163 # Sound support for GNU/Linux and the free BSDs.
1164 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1165 # Emulation library used on NetBSD.
1166 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1170 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1171 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1172 if test $HAVE_ALSA = yes; then
1173 SAVE_CFLAGS="$CFLAGS"
1174 SAVE_LDFLAGS="$LDFLAGS"
1175 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1176 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1177 AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1178 emacs_alsa_normal=yes,
1179 emacs_alsa_normal=no)
1180 if test "$emacs_alsa_normal" != yes; then
1181 AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1182 [snd_lib_error_set_handler (0);],
1183 emacs_alsa_subdir=yes,
1184 emacs_alsa_subdir=no)
1185 if test "$emacs_alsa_subdir" != yes; then
1186 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1188 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1191 CFLAGS="$SAVE_CFLAGS"
1192 LDFLAGS="$SAVE_LDFLAGS"
1193 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1194 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1195 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1197 AC_SUBST(CFLAGS_SOUND)
1200 dnl checks for header files
1201 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1202 linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1203 stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1204 sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1205 sys/utsname.h pwd.h utmp.h)
1207 AC_MSG_CHECKING(if personality LINUX32 can be set)
1208 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1209 emacs_cv_personality_linux32=yes,
1210 emacs_cv_personality_linux32=no)
1211 AC_MSG_RESULT($emacs_cv_personality_linux32)
1213 if test $emacs_cv_personality_linux32 = yes; then
1214 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1215 [Define to 1 if personality LINUX32 can be set.])
1218 dnl On Solaris 8 there's a compilation warning for term.h because
1219 dnl it doesn't define `bool'.
1220 AC_CHECK_HEADERS(term.h, , , -)
1223 AC_CHECK_DECLS([sys_siglist])
1224 if test $ac_cv_have_decl_sys_siglist != yes; then
1225 # For Tru64, at least:
1226 AC_CHECK_DECLS([__sys_siglist])
1227 if test $ac_cv_have_decl___sys_siglist = yes; then
1228 AC_DEFINE(sys_siglist, __sys_siglist,
1229 [Define to any substitute for sys_siglist.])
1234 dnl Some systems have utime.h but don't declare the struct anyplace.
1235 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1236 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1237 #include <sys/time.h>
1240 #ifdef HAVE_SYS_TIME_H
1241 #include <sys/time.h>
1248 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1249 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1250 if test $emacs_cv_struct_utimbuf = yes; then
1251 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1254 dnl checks for typedefs
1257 dnl Check for speed_t typedef.
1258 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1259 [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1260 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1261 if test $emacs_cv_speed_t = yes; then
1262 AC_DEFINE(HAVE_SPEED_T, 1,
1263 [Define to 1 if `speed_t' is declared by <termios.h>.])
1266 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1267 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1268 #include <sys/time.h>
1271 #ifdef HAVE_SYS_TIME_H
1272 #include <sys/time.h>
1276 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1277 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1278 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1279 if test $emacs_cv_struct_timeval = yes; then
1280 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1283 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1284 AC_TRY_COMPILE([#include <math.h>],
1285 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1286 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1287 HAVE_EXCEPTION=$emacs_cv_struct_exception
1288 if test $emacs_cv_struct_exception != yes; then
1289 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1292 AC_CHECK_HEADERS(sys/socket.h)
1293 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1294 #if HAVE_SYS_SOCKET_H
1295 #include <sys/socket.h>
1298 dnl checks for structure members
1301 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1302 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1303 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1304 [#include <time.h>])
1305 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1306 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1307 struct ifreq.ifr_addr], , ,
1308 [AC_INCLUDES_DEFAULT
1309 #if HAVE_SYS_SOCKET_H
1310 #include <sys/socket.h>
1316 dnl checks for compiler characteristics
1318 dnl Testing __STDC__ to determine prototype support isn't good enough.
1319 dnl DEC C, for instance, doesn't define it with default options, and
1320 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1325 dnl This isn't useful because we can't turn on use of `inline' unless
1326 dnl the compiler groks `extern inline'.
1328 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1329 [AC_TRY_COMPILE(, [void * foo;],
1330 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1331 if test $emacs_cv_void_star = yes; then
1332 AC_DEFINE(POINTER_TYPE, void)
1334 AC_DEFINE(POINTER_TYPE, char)
1336 AH_TEMPLATE(POINTER_TYPE,
1337 [Define as `void' if your compiler accepts `void *'; otherwise
1338 define as `char'.])dnl
1342 dnl This could be used for targets which can have both byte sexes.
1343 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1346 dnl check for Make feature
1352 dnl check for GNU Make if we have GCC and autodepend is on.
1353 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1354 AC_MSG_CHECKING([whether we are using GNU Make])
1356 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1357 if test "x$testval" != x; then
1360 ac_enable_autodepend=no
1362 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1363 if test $HAVE_GNU_MAKE = yes; then
1364 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1365 SAVE_CFLAGS="$CFLAGS"
1366 CFLAGS="$CFLAGS -MMD -MF deps.d"
1367 AC_TRY_COMPILE([], [], , ac_enable_autodepend=no)
1368 CFLAGS="$SAVE_CFLAGS"
1369 test -f deps.d || ac_enable_autodepend=no
1371 AC_MSG_RESULT([$ac_enable_autodepend])
1373 if test $ac_enable_autodepend = yes; then
1374 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1375 ## In parallel builds, another make might create depdir between
1376 ## the first test and mkdir, so stick another test on the end.
1377 ## Or use mkinstalldirs? mkdir -p is not portable.
1378 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1379 deps_frag=autodeps.mk
1382 deps_frag=$srcdir/src/$deps_frag
1385 AC_SUBST_FILE(deps_frag)
1388 dnl checks for operating system services
1389 AC_SYS_LONG_FILE_NAMES
1391 #### Choose a window system.
1394 if test "$no_x" = yes; then
1400 ## Workaround for bug in autoconf <= 2.62.
1401 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1402 ## No need to do anything special for these standard directories.
1403 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1405 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1409 LD_SWITCH_X_SITE_AUX=
1410 LD_SWITCH_X_SITE_AUX_RPATH=
1411 if test "${x_libraries}" != NONE; then
1412 if test -n "${x_libraries}"; then
1413 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1414 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1415 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1417 x_default_search_path=""
1418 x_search_path=${x_libraries}
1419 if test -z "${x_search_path}"; then
1420 x_search_path=/usr/lib
1422 for x_library in `echo ${x_search_path}: | \
1423 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1425 ${x_library}/X11/%L/%T/%N%C%S:\
1426 ${x_library}/X11/%l/%T/%N%C%S:\
1427 ${x_library}/X11/%T/%N%C%S:\
1428 ${x_library}/X11/%L/%T/%N%S:\
1429 ${x_library}/X11/%l/%T/%N%S:\
1430 ${x_library}/X11/%T/%N%S"
1431 if test x"${x_default_search_path}" = x; then
1432 x_default_search_path=${x_search_path}
1434 x_default_search_path="${x_search_path}:${x_default_search_path}"
1438 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1439 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1441 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1442 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1445 if test x"${x_includes}" = x; then
1446 bitmapdir=/usr/include/X11/bitmaps
1448 # accumulate include directories that have X11 bitmap subdirectories
1450 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1451 if test -d "${bmd}/X11/bitmaps"; then
1452 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1454 if test -d "${bmd}/bitmaps"; then
1455 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1458 if test ${bmd_acc} != "dummyval"; then
1459 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1466 tmp_CPPFLAGS="$CPPFLAGS"
1467 tmp_CFLAGS="$CFLAGS"
1468 CPPFLAGS="$CPPFLAGS -x objective-c"
1469 CFLAGS="$CFLAGS -x objective-c"
1470 TEMACS_LDFLAGS2="\${LDFLAGS}"
1471 dnl I don't think it's especially important, but src/Makefile.in
1472 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1473 dnl trailing "/" to it, so now we do it here.
1474 if test "${with_ns}" != no; then
1475 if test "${opsys}" = darwin; then
1477 ns_appdir=`pwd`/nextstep/Emacs.app/
1478 ns_appbindir=${ns_appdir}Contents/MacOS/
1479 ns_appresdir=${ns_appdir}Contents/Resources
1480 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1481 elif test -f $GNUSTEP_CONFIG_FILE; then
1483 ns_appdir=`pwd`/nextstep/Emacs.app/
1484 ns_appbindir=${ns_appdir}
1485 ns_appresdir=${ns_appdir}Resources
1486 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1487 dnl FIXME sourcing this several times in subshells seems inefficient.
1488 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1489 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1490 dnl I seemed to need these as well with GNUstep-startup 0.25.
1491 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1492 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1493 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1494 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1495 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1496 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1497 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1498 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1499 REAL_CFLAGS="$REAL_CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1500 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1505 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1506 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1507 files are missing or cannot be compiled.])])
1508 NS_HAVE_NSINTEGER=yes
1509 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1511 ns_have_nsinteger=yes,
1512 ns_have_nsinteger=no)
1513 if test $ns_have_nsinteger = no; then
1514 NS_HAVE_NSINTEGER=no
1517 AC_SUBST(TEMACS_LDFLAGS2)
1522 if test "${HAVE_NS}" = yes; then
1523 window_system=nextstep
1525 # set up packaging dirs
1526 exec_prefix=${ns_appbindir}
1527 libexecdir=${ns_appbindir}/libexec
1528 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1529 prefix=${ns_appresdir}
1531 ns_frag=$srcdir/src/ns.mk
1532 NS_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o fontset.o fringe.o image.o"
1533 NS_SUPPORT="\${lispsource}emacs-lisp/easymenu.elc \${lispsource}term/ns-win.elc"
1535 CFLAGS="$tmp_CFLAGS"
1536 CPPFLAGS="$tmp_CPPFLAGS"
1538 AC_SUBST(NS_SUPPORT)
1539 AC_SUBST(LIB_STANDARD)
1540 AC_SUBST_FILE(ns_frag)
1542 case "${window_system}" in
1546 case "${with_x_toolkit}" in
1547 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1548 motif ) USE_X_TOOLKIT=MOTIF ;;
1550 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1551 dnl USE_X_TOOLKIT is set.
1552 USE_X_TOOLKIT=none ;;
1553 no ) USE_X_TOOLKIT=none ;;
1554 dnl If user did not say whether to use a toolkit, make this decision later:
1555 dnl use the toolkit if we have gtk, or X11R5 or newer.
1556 * ) USE_X_TOOLKIT=maybe ;;
1566 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1567 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1568 if test "$HAVE_XSERVER" = true ||
1569 test -n "$DISPLAY" ||
1570 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1571 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1572 were found. You should install the relevant development files for X
1573 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1574 sure you have development files for image handling, i.e.
1575 tiff, gif, jpeg, png and xpm.
1576 If you are sure you want Emacs compiled without X window support, pass
1582 ### If we're using X11, we should use the X menu package.
1585 yes ) HAVE_MENUS=yes ;;
1588 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1589 # Assume not, until told otherwise.
1592 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1593 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1594 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1595 emacs_cv_var___after_morecore_hook,
1596 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1597 emacs_cv_var___after_morecore_hook=yes,
1598 emacs_cv_var___after_morecore_hook=no)])
1599 if test $emacs_cv_var___after_morecore_hook = no; then
1603 if test "${system_malloc}" = "yes"; then
1606 (The GNU allocators don't work with this system configuration.)"
1610 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1611 VMLIMIT_OBJ=vm-limit.o
1613 AC_SUBST(GMALLOC_OBJ)
1614 AC_SUBST(VMLIMIT_OBJ)
1616 if test "$doug_lea_malloc" = "yes" ; then
1617 if test "$GNU_MALLOC" = yes ; then
1619 (Using Doug Lea's new malloc from the GNU C Library.)"
1621 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1622 [Define to 1 if you are using the GNU C Library.])
1624 ## Use mmap directly for allocating larger buffers.
1625 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1626 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1627 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1629 gnu*) REL_ALLOC=no ;;
1633 if test x"${REL_ALLOC}" = x; then
1634 REL_ALLOC=${GNU_MALLOC}
1637 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1638 dnl the system configuration file (s/*.h) to turn the use of mmap
1639 dnl in the relocating allocator on.
1642 if test $use_mmap_for_buffers = yes; then
1646 LIBS="$LIBS_SYSTEM $LIBS"
1648 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1649 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1650 AC_CHECK_LIB(dnet, dnet_ntoa)
1651 dnl This causes -lresolv to get used in subsequent tests,
1652 dnl which causes failures on some systems such as HPUX 9.
1653 dnl AC_CHECK_LIB(resolv, gethostbyname)
1655 dnl FIXME replace main with a function we actually want from this library.
1656 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1658 AC_CHECK_LIB(pthreads, cma_open)
1660 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1661 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1662 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1663 ## added to LIBS in configure would never contain the pthreads part,
1664 ## but the value used in Makefiles might. FIXME?
1666 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1667 ## be harmless on older versions of X where it happens to exist.
1668 test "$opsys" = "aix4-2" && \
1669 test $ac_cv_lib_pthreads_cma_open = yes && \
1670 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1672 dnl Check for need for bigtoc support on IBM AIX
1676 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1678 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1679 *) gdb_cv_bigtoc=-bbigtoc ;;
1682 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1683 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1688 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1689 # used for the tests that follow. We set them back to REAL_CFLAGS and
1690 # REAL_CPPFLAGS later on.
1692 REAL_CPPFLAGS="$CPPFLAGS"
1694 if test "${HAVE_X11}" = "yes"; then
1695 DEFS="$C_SWITCH_X_SITE $DEFS"
1696 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1698 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1699 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1701 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1702 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1703 # but it's more convenient here to set LD_RUN_PATH
1704 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1705 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1706 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1710 if test "${opsys}" = "gnu-linux"; then
1711 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1713 [XOpenDisplay ("foo");],
1714 [xlinux_first_failure=no],
1715 [xlinux_first_failure=yes])
1716 if test "${xlinux_first_failure}" = "yes"; then
1717 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1718 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1719 OLD_CPPFLAGS="$CPPFLAGS"
1721 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1722 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1723 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1724 LIBS="$LIBS -b i486-linuxaout"
1726 [XOpenDisplay ("foo");],
1727 [xlinux_second_failure=no],
1728 [xlinux_second_failure=yes])
1729 if test "${xlinux_second_failure}" = "yes"; then
1730 # If we get the same failure with -b, there is no use adding -b.
1731 # So take it out. This plays safe.
1732 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1733 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1734 CPPFLAGS="$OLD_CPPFLAGS"
1745 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1746 # header files included from there.
1747 AC_MSG_CHECKING(for Xkb)
1748 AC_TRY_LINK([#include <X11/Xlib.h>
1749 #include <X11/XKBlib.h>],
1750 [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1751 emacs_xkb=yes, emacs_xkb=no)
1752 AC_MSG_RESULT($emacs_xkb)
1753 if test $emacs_xkb = yes; then
1754 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1757 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1758 XScreenNumberOfScreen XSetWMProtocols)
1761 if test "${window_system}" = "x11"; then
1762 AC_MSG_CHECKING(X11 version 6)
1763 AC_CACHE_VAL(emacs_cv_x11_version_6,
1764 [AC_TRY_LINK([#include <X11/Xlib.h>],
1765 [#if XlibSpecificationRelease < 6
1768 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1769 if test $emacs_cv_x11_version_6 = yes; then
1770 AC_MSG_RESULT(6 or newer)
1771 AC_DEFINE(HAVE_X11R6, 1,
1772 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1774 AC_MSG_RESULT(before 6)
1779 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1781 if test "${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, $RSVG_MODULE, :, :)
1787 AC_SUBST(RSVG_CFLAGS)
1790 if test ".${RSVG_CFLAGS}" != "."; then
1792 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1793 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1794 LIBS="$RSVG_LIBS $LIBS"
1801 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1804 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1806 dnl Checks for libraries.
1807 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1808 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1809 AC_MSG_ERROR($GTK_PKG_ERRORS)
1815 if test x"$pkg_check_gtk" = xyes; then
1817 AC_SUBST(GTK_CFLAGS)
1819 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1820 CFLAGS="$CFLAGS $GTK_CFLAGS"
1821 LIBS="$GTK_LIBS $LIBS"
1822 dnl Try to compile a simple GTK program.
1824 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1825 if test "${GTK_COMPILES}" != "yes"; then
1826 if test "$USE_X_TOOLKIT" != "maybe"; then
1827 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1831 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1834 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1837 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1838 closing open displays. This is no problem if you just use
1839 one display, but if you use more than one and close one of them
1849 if test "${HAVE_GTK}" = "yes"; then
1851 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1852 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1853 if test "$with_toolkit_scroll_bars" != no; then
1854 with_toolkit_scroll_bars=yes
1857 dnl Check if we can use multiple displays with this GTK version.
1858 dnl If gdk_display_open exists, assume all others are there also.
1859 HAVE_GTK_MULTIDISPLAY=no
1860 AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
1861 if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
1862 AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
1863 [Define to 1 if GTK can handle more than one display.])
1866 dnl Check if we have the old file selection dialog declared and
1867 dnl in the link library. In 2.x it may be in the library,
1868 dnl but not declared if deprecated featured has been selected out.
1869 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1870 HAVE_GTK_FILE_SELECTION=no
1871 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1872 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1873 #include <gtk/gtk.h>])
1874 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1875 AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes,
1876 HAVE_GTK_FILE_SELECTION=no)
1879 dnl Check if we have the new file chooser dialog
1880 HAVE_GTK_FILE_CHOOSER=no
1881 AC_CHECK_DECL(GTK_TYPE_FILE_CHOOSER, HAVE_GTK_FILE_CHOOSER=yes,
1882 HAVE_GTK_FILE_CHOOSER=no, [AC_INCLUDES_DEFAULT
1883 #include <gtk/gtk.h>])
1884 if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1885 AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes,
1886 HAVE_GTK_FILE_CHOOSER=no)
1889 if test "$HAVE_GTK_FILE_SELECTION" = yes \
1890 && test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1891 AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
1892 [Define to 1 if GTK has both file selection and chooser dialog.])
1895 dnl Check if pthreads are available. Emacs only needs this when using
1896 dnl gtk_file_chooser under Gnome.
1897 if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1898 HAVE_GTK_AND_PTHREAD=no
1899 AC_CHECK_HEADERS(pthread.h)
1900 if test "$ac_cv_header_pthread_h"; then
1901 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1903 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1904 case "${canonical}" in
1906 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1908 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1909 [Define to 1 if you have GTK and pthread (-lpthread).])
1914 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1915 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1916 dnl also not configured.
1919 if test "${with_dbus}" = "yes"; then
1920 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1921 if test "$HAVE_DBUS" = yes; then
1922 LIBS="$LIBS $DBUS_LIBS"
1923 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1924 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1930 dnl GConf has been tested under GNU/Linux only.
1931 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1933 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1934 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1935 if test "$HAVE_GCONF" = yes; then
1936 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1940 dnl SELinux is available for GNU/Linux only.
1943 if test "${with_selinux}" = "yes"; then
1944 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
1945 if test "$HAVE_LIBSELINUX" = yes; then
1946 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
1947 LIBSELINUX_LIBS=-lselinux
1950 AC_SUBST(LIBSELINUX_LIBS)
1952 dnl Do not put whitespace before the #include statements below.
1953 dnl Older compilers (eg sunos4 cc) choke on it.
1956 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
1957 if test "$with_xaw3d" != no; then
1958 AC_MSG_CHECKING(for xaw3d)
1959 AC_CACHE_VAL(emacs_cv_xaw3d,
1961 #include <X11/Intrinsic.h>
1962 #include <X11/Xaw3d/Simple.h>],
1965 emacs_cv_xaw3d=no)])
1969 if test $emacs_cv_xaw3d = yes; then
1970 AC_MSG_RESULT([yes; using Lucid toolkit])
1974 AC_DEFINE(HAVE_XAW3D, 1,
1975 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
1978 AC_MSG_CHECKING(for libXaw)
1979 AC_CACHE_VAL(emacs_cv_xaw,
1981 #include <X11/Intrinsic.h>
1982 #include <X11/Xaw/Simple.h>],
1986 if test $emacs_cv_xaw = yes; then
1987 AC_MSG_RESULT([yes; using Lucid toolkit])
1990 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
1991 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
1993 AC_MSG_RESULT([no; do not use toolkit by default])
1999 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2002 if test "${USE_X_TOOLKIT}" != "none"; then
2003 AC_MSG_CHECKING(X11 toolkit version)
2004 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2005 [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2006 [#if XtSpecificationRelease < 6
2009 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2010 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2011 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2012 AC_MSG_RESULT(6 or newer)
2013 AC_DEFINE(HAVE_X11XTR6, 1,
2014 [Define to 1 if you have the X11R6 or newer version of Xt.])
2015 LIBXTR6="-lSM -lICE"
2017 ## Use libw.a along with X11R6 Xt.
2018 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2021 AC_MSG_RESULT(before 6)
2024 dnl If using toolkit, check whether libXmu.a exists.
2025 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2027 if test x$HAVE_X11XTR6 = xyes; then
2028 LIBS="-lXt -lSM -lICE $LIBS"
2032 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2033 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2037 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2038 dnl Why not just test for libxmu in the normal way?
2041 ## These machines don't supply Xmu.
2043 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2048 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2049 if test "${HAVE_X11}" = "yes"; then
2050 if test "${USE_X_TOOLKIT}" != "none"; then
2051 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2056 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2057 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2058 [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2059 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2062 Motif version prior to 2.1.
2064 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2065 if test $emacs_cv_motif_version_2_1 = yes; then
2066 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2068 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2069 # We put this in CFLAGS temporarily to precede other -I options
2070 # that might be in CFLAGS temporarily.
2071 # We put this in CPPFLAGS where it precedes the other -I options.
2072 OLD_CPPFLAGS=$CPPFLAGS
2074 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2075 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2076 [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2078 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2079 if test $emacs_cv_lesstif = yes; then
2080 # Make sure this -I option remains in CPPFLAGS after it is set
2081 # back to REAL_CPPFLAGS.
2082 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2083 # have those other -I options anyway. Ultimately, having this
2084 # directory ultimately in CPPFLAGS will be enough.
2085 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2086 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2089 CPPFLAGS=$OLD_CPPFLAGS
2094 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2095 dnl using Motif or Xaw3d is available, and unless
2096 dnl --with-toolkit-scroll-bars=no was specified.
2098 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2099 [Define to 1 if we should use toolkit scroll bars.])dnl
2100 USE_TOOLKIT_SCROLL_BARS=no
2101 if test "${with_toolkit_scroll_bars}" != "no"; then
2102 if test "${USE_X_TOOLKIT}" != "none"; then
2103 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2104 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2106 USE_TOOLKIT_SCROLL_BARS=yes
2107 elif test "${HAVE_XAW3D}" = "yes"; then
2108 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2109 USE_TOOLKIT_SCROLL_BARS=yes
2111 elif test "${HAVE_GTK}" = "yes"; then
2112 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2113 USE_TOOLKIT_SCROLL_BARS=yes
2114 elif test "${HAVE_NS}" = "yes"; then
2115 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2116 USE_TOOLKIT_SCROLL_BARS=yes
2120 dnl See if XIM is available.
2122 #include <X11/Xlib.h>
2123 #include <X11/Xresource.h>],
2124 [XIMProc callback;],
2126 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2129 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2131 if test "${with_xim}" != "no"; then
2132 AC_DEFINE(USE_XIM, 1,
2133 [Define to 1 if we should use XIM, if it is available.])
2137 if test "${HAVE_XIM}" != "no"; then
2139 if test "$GCC" = yes; then
2140 CFLAGS="$CFLAGS --pedantic-errors"
2143 #include <X11/Xlib.h>
2144 #include <X11/Xresource.h>],
2150 XPointer *client_data;
2152 /* If we're not using GCC, it's probably not XFree86, and this is
2153 probably right, but we can't use something like --pedantic-errors. */
2154 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2155 char*, XIMProc, XPointer*);
2157 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2159 [emacs_cv_arg6_star=yes])
2160 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2161 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2162 either XPointer or XPointer*.])dnl
2163 if test "$emacs_cv_arg6_star" = yes; then
2164 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2166 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2171 ### Start of font-backend (under any platform) section.
2172 # (nothing here yet -- this is a placeholder)
2173 ### End of font-backend (under any platform) section.
2175 ### Start of font-backend (under X11) section.
2176 if test "${HAVE_X11}" = "yes"; then
2177 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2179 ## Use -lXft if available, unless `--with-xft=no'.
2181 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2184 if test "x${with_xft}" != "xno"; then
2186 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2187 ## Because xftfont.c uses XRenderQueryExtension, we also
2188 ## need to link to -lXrender.
2190 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2191 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2192 OLD_CPPFLAGS="$CPPFLAGS"
2193 OLD_CFLAGS="$CFLAGS"
2195 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2196 CFLAGS="$CFLAGS $XFT_CFLAGS"
2197 XFT_LIBS="-lXrender $XFT_LIBS"
2198 LIBS="$XFT_LIBS $LIBS"
2199 AC_CHECK_HEADER(X11/Xft/Xft.h,
2200 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2202 if test "${HAVE_XFT}" = "yes"; then
2203 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2205 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2207 CPPFLAGS="$OLD_CPPFLAGS"
2208 CFLAGS="$OLD_CFLAGS"
2210 fi # "${HAVE_XFT}" = "yes"
2211 fi # "$HAVE_XFT" != no
2212 fi # "x${with_xft}" != "xno"
2214 dnl For the "Does Emacs use" message at the end.
2215 if test "$HAVE_XFT" != "yes"; then
2221 ## We used to allow building with FreeType and without Xft.
2222 ## However, the ftx font backend driver is not in good shape.
2223 if test "${HAVE_XFT}" = "yes"; then
2224 dnl As we use Xft, we anyway use freetype.
2225 dnl There's no need for additional CFLAGS and LIBS.
2232 if test "${HAVE_FREETYPE}" = "yes"; then
2233 AC_DEFINE(HAVE_FREETYPE, 1,
2234 [Define to 1 if using the freetype and fontconfig libraries.])
2235 if test "${with_libotf}" != "no"; then
2236 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2238 if test "$HAVE_LIBOTF" = "yes"; then
2239 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2240 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2241 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2242 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2243 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2244 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2245 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2249 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2250 dnl Does the new font backend require it, or can it work without it?
2254 if test "${HAVE_LIBOTF}" = yes; then
2255 if test "${with_m17n_flt}" != "no"; then
2256 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2257 if test "$HAVE_M17N_FLT" = "yes"; then
2258 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2269 ### End of font-backend (under X11) section.
2271 AC_SUBST(FREETYPE_CFLAGS)
2272 AC_SUBST(FREETYPE_LIBS)
2273 AC_SUBST(FONTCONFIG_CFLAGS)
2274 AC_SUBST(FONTCONFIG_LIBS)
2275 AC_SUBST(LIBOTF_CFLAGS)
2276 AC_SUBST(LIBOTF_LIBS)
2277 AC_SUBST(M17N_FLT_CFLAGS)
2278 AC_SUBST(M17N_FLT_LIBS)
2280 ### Use -lXpm if available, unless `--with-xpm=no'.
2283 if test "${HAVE_X11}" = "yes"; then
2284 if test "${with_xpm}" != "no"; then
2285 AC_CHECK_HEADER(X11/xpm.h,
2286 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2287 if test "${HAVE_XPM}" = "yes"; then
2288 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2289 AC_EGREP_CPP(no_return_alloc_pixels,
2290 [#include "X11/xpm.h"
2291 #ifndef XpmReturnAllocPixels
2292 no_return_alloc_pixels
2294 ], HAVE_XPM=no, HAVE_XPM=yes)
2296 if test "${HAVE_XPM}" = "yes"; then
2304 if test "${HAVE_XPM}" = "yes"; then
2305 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2311 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2314 if test "${HAVE_X11}" = "yes"; then
2315 if test "${with_jpeg}" != "no"; then
2316 dnl Checking for jpeglib.h can lose because of a redefinition of
2318 AC_CHECK_HEADER(jerror.h,
2319 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2322 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2323 if test "${HAVE_JPEG}" = "yes"; then
2324 AC_DEFINE(HAVE_JPEG)
2325 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2326 [#include <jpeglib.h>
2327 version=JPEG_LIB_VERSION
2329 [AC_DEFINE(HAVE_JPEG)],
2330 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2333 if test "${HAVE_JPEG}" = "yes"; then
2339 ### Use -lpng if available, unless `--with-png=no'.
2342 if test "${HAVE_X11}" = "yes"; then
2343 if test "${with_png}" != "no"; then
2344 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2345 # in /usr/include/libpng.
2346 AC_CHECK_HEADERS(png.h libpng/png.h)
2347 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2348 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2352 if test "${HAVE_PNG}" = "yes"; then
2353 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2354 LIBPNG="-lpng -lz -lm"
2359 ### Use -ltiff if available, unless `--with-tiff=no'.
2362 if test "${HAVE_X11}" = "yes"; then
2363 if test "${with_tiff}" != "no"; then
2364 AC_CHECK_HEADER(tiffio.h,
2366 # At least one tiff package requires the jpeg library.
2367 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2368 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2371 if test "${HAVE_TIFF}" = "yes"; then
2372 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2373 dnl FIXME -lz -lm, as per libpng?
2379 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2382 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2383 AC_CHECK_HEADER(gif_lib.h,
2384 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2385 # Earlier versions can crash Emacs.
2386 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2388 if test "$HAVE_GIF" = yes; then
2390 elif test "$HAVE_GIF" = maybe; then
2391 # If gif_lib.h but no libgif, try libungif.
2392 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2393 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2396 if test "${HAVE_GIF}" = "yes"; then
2397 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2402 dnl Check for required libraries.
2403 if test "${HAVE_X11}" = "yes"; then
2406 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2407 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2408 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2409 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2410 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2411 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2412 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2413 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2414 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2415 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2417 if test "X${MISSING}" != X; then
2418 AC_MSG_ERROR([The following required libraries were not found:
2420 Maybe some development libraries/packages are missing?
2421 If you don't want to link with them give
2423 as options to configure])
2427 ### Use -lgpm if available, unless `--with-gpm=no'.
2431 if test "${with_gpm}" != "no"; then
2432 AC_CHECK_HEADER(gpm.h,
2433 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2435 if test "${HAVE_GPM}" = "yes"; then
2436 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2438 ## May be reset below.
2439 MOUSE_SUPPORT="\$(GPM_MOUSE_SUPPORT)"
2444 dnl Check for malloc/malloc.h on darwin
2445 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.])])
2448 ### Use NeXTstep API to implement GUI.
2449 if test "${HAVE_NS}" = "yes"; then
2450 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2451 if test "${NS_IMPL_COCOA}" = "yes"; then
2452 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2455 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2456 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2457 # See also .m.o rule in Makefile.in */
2458 # FIXME: are all these flags really needed? Document here why. */
2459 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2460 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2462 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2463 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2465 # We also have mouse menus.
2471 ### Use session management (-lSM -lICE) if available
2474 if test "${HAVE_X11}" = "yes"; then
2475 AC_CHECK_HEADER(X11/SM/SMlib.h,
2476 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2478 if test "${HAVE_X_SM}" = "yes"; then
2479 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2483 *) LIBS="$LIBXSM $LIBS" ;;
2489 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2490 AC_CACHE_CHECK(whether netdb declares h_errno,
2491 emacs_cv_netdb_declares_h_errno,
2492 [AC_TRY_LINK([#include <netdb.h>],
2494 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2495 if test $emacs_cv_netdb_declares_h_errno = yes; then
2496 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2501 dnl src/alloca.c has been removed. Could also check if $ALLOCA is set?
2502 dnl FIXME is there an autoconf test that does the right thing, without
2503 dnl needing to call A_M_E afterwards?
2504 if test x"$ac_cv_func_alloca_works" != xyes; then
2505 AC_MSG_ERROR( [a system implementation of alloca is required] )
2508 # fmod, logb, and frexp are found in -lm on most systems.
2509 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2510 AC_CHECK_LIB(m, sqrt)
2512 # Check for mail-locking functions in a "mail" library. Probably this should
2513 # have the same check as for liblockfile below.
2514 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2515 if test $have_mail = yes; then
2517 LIBS="$LIBS_MAIL $LIBS"
2518 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2522 dnl Debian, at least:
2523 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2524 if test $have_lockfile = yes; then
2525 LIBS_MAIL=-llockfile
2526 LIBS="$LIBS_MAIL $LIBS"
2527 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2529 # If we have the shared liblockfile, assume we must use it for mail
2530 # locking (e.g. Debian). If we couldn't link against liblockfile
2531 # (no liblockfile.a installed), ensure that we don't need to.
2532 dnl This works for files generally, not just executables.
2533 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2534 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2535 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2536 if test $ac_cv_prog_liblockfile = yes; then
2537 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2538 This probably means that movemail could lose mail.
2539 There may be a `development' package to install containing liblockfile.])
2542 AC_CHECK_FUNCS(touchlock)
2543 AC_CHECK_HEADERS(maillock.h)
2546 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2547 ## interlock access to the mail spool. The alternative is a lock file named
2548 ## /usr/spool/mail/$USER.lock.
2551 aix4-2) mail_lock="lockf" ;;
2553 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2555 ## On GNU/Linux systems, both methods are used by various mail programs.
2556 ## I assume most people are using newer mailers that have heard of flock.
2557 ## Change this if you need to.
2558 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2559 ## configure gets the right answers, and that means *NOT* using flock.
2560 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2561 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2562 ## Debian maintainer hasn't provided a clean fix for Emacs.
2563 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2564 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2565 ## correct logic. -- fx
2566 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2567 ## liblockfile is a Free Software replacement for libmail, used on
2568 ## Debian systems and elsewhere. -rfr.
2571 if test $have_mail = yes || test $have_lockfile = yes; then
2572 test $ac_cv_header_maillock_h = yes && mail_lock=no
2578 case "$mail_lock" in
2579 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2581 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2583 *) BLESSMAIL_TARGET="need-blessmail" ;;
2585 AC_SUBST(BLESSMAIL_TARGET)
2588 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2589 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2590 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
2591 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2592 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2593 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2594 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2595 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2596 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2597 cfmakeraw cfsetspeed isnan copysign)
2599 AC_CHECK_HEADERS(sys/un.h)
2602 if test "$ac_cv_func_working_mktime" = no; then
2603 AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2611 m4_include([m4/getopt.m4])
2613 gl_GETOPT_SUBSTITUTE_HEADER
2615 GETOPTOBJS='getopt.o getopt1.o'
2617 AC_SUBST(GETOPTOBJS)
2624 AC_CHECK_FUNCS(grantpt)
2626 # PTY-related GNU extensions.
2627 AC_CHECK_FUNCS(getpt)
2629 # Check this now, so that we will NOT find the above functions in ncurses.
2630 # That is because we have not set up to link ncurses in lib-src.
2631 # It's better to believe a function is not available
2632 # than to expect to find it in ncurses.
2633 # Also we need tputs and friends to be able to build at all.
2634 have_tputs_et_al=true
2635 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2636 if test "$have_tputs_et_al" != true; then
2637 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2638 Maybe some development libraries/packages are missing? Try installing
2639 libncurses-dev(el), libterminfo-dev(el) or similar.])
2641 # Must define this when any termcap library is found.
2642 AC_DEFINE(HAVE_LIBNCURSES, 1,
2643 [Define to 1 if you have the `ncurses' library (-lncurses).])
2644 ## FIXME This was the cpp logic, but I am not sure it is right.
2645 ## The above test has not necessarily found libncurses.
2648 ## Use terminfo instead of termcap?
2649 ## Note only system files NOT using terminfo are:
2650 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2651 ## darwin|gnu without ncurses.
2655 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2656 ## hpux10-20: Use the system provided termcap(3) library.
2657 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2658 ## is necessary. Otherwise Emacs dumps core when run -nw.
2659 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2661 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2662 ## The ncurses library has been moved out of the System framework in
2663 ## Mac OS X 10.2. So if configure detects it, set the command-line
2664 ## option to use it.
2666 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2667 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2669 LIBS_TERMCAP="-lncurses"
2674 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2675 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2676 [AC_TRY_LINK([#include <osreldate.h>],
2677 [#if __FreeBSD_version < 400000
2680 ], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2682 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2684 if test $emacs_cv_freebsd_terminfo = yes; then
2686 LIBS_TERMCAP="-lncurses"
2688 LIBS_TERMCAP="-ltermcap"
2693 if test $ac_cv_search_tputs = -lterminfo; then
2695 LIBS_TERMCAP="-lterminfo"
2697 LIBS_TERMCAP="-ltermcap"
2704 ## hpux: Make sure we get select from libc rather than from libcurses
2705 ## because libcurses on HPUX 10.10 has a broken version of select.
2706 ## We used to use -lc -lcurses, but this may be cleaner.
2707 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2709 openbsd) LIBS_TERMCAP="-lncurses" ;;
2711 ## Must use system termcap, if we use any termcap. It does special things.
2712 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2715 TERMCAP_OBJ=tparam.o
2716 if test $TERMINFO = yes; then
2717 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2719 ## Default used to be -ltermcap. Add a case above if need something else.
2720 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2722 TERMCAP_OBJ=terminfo.o
2724 AC_SUBST(LIBS_TERMCAP)
2725 AC_SUBST(TERMCAP_OBJ)
2728 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2730 AC_TRY_LINK([#include <netinet/in.h>
2731 #include <arpa/nameser.h>
2732 #include <resolv.h>],
2733 [return res_init();],
2734 have_res_init=yes, have_res_init=no)
2735 if test "$have_res_init" = no; then
2737 LIBS="$LIBS -lresolv"
2738 AC_MSG_CHECKING(for res_init with -lresolv)
2739 AC_TRY_LINK([#include <netinet/in.h>
2740 #include <arpa/nameser.h>
2741 #include <resolv.h>],
2742 [return res_init();],
2743 have_res_init=yes, have_res_init=no)
2744 AC_MSG_RESULT($have_res_init)
2745 if test "$have_res_init" = yes ; then
2751 if test "$have_res_init" = yes; then
2752 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2755 # Do we need the Hesiod library to provide the support routines?
2757 if test "$with_hesiod" != no ; then
2758 # Don't set $LIBS here -- see comments above. FIXME which comments?
2759 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2760 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2761 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2762 if test "$resolv" = yes ; then
2767 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2768 hesiod=yes, :, $RESOLVLIB)])
2770 if test x"$hesiod" = xyes; then
2771 AC_DEFINE(HAVE_LIBHESIOD, 1,
2772 [Define to 1 if you have the hesiod library (-lhesiod).])
2778 # Do we need libresolv (due to res_init or Hesiod)?
2779 if test "$resolv" = yes ; then
2780 AC_DEFINE(HAVE_LIBRESOLV, 1,
2781 [Define to 1 if you have the resolv library (-lresolv).])
2788 # These tell us which Kerberos-related libraries to use.
2795 if test "${with_kerberos}" != no; then
2796 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2797 if test $have_com_err = yes; then
2798 COM_ERRLIB=-lcom_err
2799 LIBS="$COM_ERRLIB $LIBS"
2800 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2802 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2803 if test $have_crypto = yes; then
2805 LIBS="$CRYPTOLIB $LIBS"
2806 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2808 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2809 if test $have_k5crypto = yes; then
2810 CRYPTOLIB=-lk5crypto
2811 LIBS="$CRYPTOLIB $LIBS"
2812 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2814 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2815 if test $have_krb5=yes; then
2817 LIBS="$KRB5LIB $LIBS"
2818 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2820 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2821 if test "${with_kerberos5}" = no; then
2822 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2823 if test $have_des425 = yes; then
2825 LIBS="$DESLIB $LIBS"
2826 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2828 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2829 if test $have_des = yes; then
2831 LIBS="$DESLIB $LIBS"
2832 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2835 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2836 if test $have_krb4 = yes; then
2838 LIBS="$KRB4LIB $LIBS"
2839 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2841 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2842 if test $have_krb = yes; then
2844 LIBS="$KRB4LIB $LIBS"
2845 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2850 if test "${with_kerberos5}" != no; then
2851 AC_CHECK_HEADERS(krb5.h,
2852 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2853 [#include <krb5.h>])])
2855 AC_CHECK_HEADERS(des.h,,
2856 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2857 [AC_CHECK_HEADERS(kerberos/des.h)])])
2858 AC_CHECK_HEADERS(krb.h,,
2859 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2860 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2862 AC_CHECK_HEADERS(com_err.h)
2865 AC_SUBST(COM_ERRLIB)
2871 # Solaris requires -lintl if you want strerror (which calls dgettext)
2872 # to return localized messages.
2873 AC_CHECK_LIB(intl, dgettext)
2875 AC_MSG_CHECKING(whether localtime caches TZ)
2876 AC_CACHE_VAL(emacs_cv_localtime_cache,
2877 [if test x$ac_cv_func_tzset = xyes; then
2878 AC_TRY_RUN([#include <time.h>
2879 extern char **environ;
2883 for (to = from = environ; (*to = *from); from++)
2884 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2887 char TZ_GMT0[] = "TZ=GMT0";
2888 char TZ_PST8[] = "TZ=PST8";
2891 time_t now = time ((time_t *) 0);
2892 int hour_GMT0, hour_unset;
2893 if (putenv (TZ_GMT0) != 0)
2895 hour_GMT0 = localtime (&now)->tm_hour;
2897 hour_unset = localtime (&now)->tm_hour;
2898 if (putenv (TZ_PST8) != 0)
2900 if (localtime (&now)->tm_hour == hour_GMT0)
2903 if (localtime (&now)->tm_hour != hour_unset)
2906 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2907 [# If we have tzset, assume the worst when cross-compiling.
2908 emacs_cv_localtime_cache=yes])
2910 # If we lack tzset, report that localtime does not cache TZ,
2911 # since we can't invalidate the cache if we don't have tzset.
2912 emacs_cv_localtime_cache=no
2914 AC_MSG_RESULT($emacs_cv_localtime_cache)
2915 if test $emacs_cv_localtime_cache = yes; then
2916 AC_DEFINE(LOCALTIME_CACHE, 1,
2917 [Define to 1 if localtime caches TZ.])
2920 if test "x$HAVE_TIMEVAL" = xyes; then
2921 AC_CHECK_FUNCS(gettimeofday)
2922 if test $ac_cv_func_gettimeofday = yes; then
2923 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2924 emacs_cv_gettimeofday_two_arguments,
2926 #ifdef TIME_WITH_SYS_TIME
2927 #include <sys/time.h>
2930 #ifdef HAVE_SYS_TIME_H
2931 #include <sys/time.h>
2936 [struct timeval time;
2937 gettimeofday (&time, 0);],
2938 emacs_cv_gettimeofday_two_arguments=yes,
2939 emacs_cv_gettimeofday_two_arguments=no)])
2940 if test $emacs_cv_gettimeofday_two_arguments = no; then
2941 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2942 [Define to 1 if gettimeofday accepts only one argument.])
2948 AC_CHECK_FUNC(socket, , ok_so_far=no)
2949 if test $ok_so_far = yes; then
2950 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2952 if test $ok_so_far = yes; then
2953 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2955 if test $ok_so_far = yes; then
2956 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
2957 AC_DEFINE(HAVE_INET_SOCKETS, 1,
2958 [Define to 1 if you have inet sockets.])
2961 AC_CHECK_HEADERS(sys/ioctl.h)
2963 if test -f /usr/lpp/X11/bin/smt.exp; then
2964 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2965 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2968 AC_MSG_CHECKING(whether system supports dynamic ptys)
2969 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2971 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2978 dnl Adapted from Haible's version.
2979 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2980 [AC_TRY_LINK([#include <langinfo.h>],
2981 [char* cs = nl_langinfo(CODESET);],
2982 emacs_cv_langinfo_codeset=yes,
2983 emacs_cv_langinfo_codeset=no)
2985 if test $emacs_cv_langinfo_codeset = yes; then
2986 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2987 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2990 AC_CHECK_TYPES(size_t)
2994 dnl Restrict could probably be used effectively other than in regex.c.
2995 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2996 [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2997 emacs_cv_c_restrict=yes,
2998 [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2999 emacs_cv_c_restrict=__restrict,
3000 emacs_cv_c_restrict=no)])])
3001 case "$emacs_cv_c_restrict" in
3002 yes) emacs_restrict=restrict;;
3003 no) emacs_restrict="";;
3004 *) emacs_restrict="$emacs_cv_c_restrict";;
3006 if test "$emacs_restrict" != __restrict; then
3007 AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
3008 [Define to compiler's equivalent of C99 restrict keyword.
3009 Don't define if equivalent is `__restrict'.])
3012 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3013 [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
3014 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3015 if test "$emacs_cv_c_restrict_arr" = yes; then
3016 AC_DEFINE(__restrict_arr, __restrict,
3017 [Define to compiler's equivalent of C99 restrict keyword in array
3018 declarations. Define as empty for no equivalent.])
3021 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3022 dnl how the tty code is related to POSIX and/or other versions of termios.
3023 dnl The following looks like a useful start.
3025 dnl AC_SYS_POSIX_TERMIOS
3026 dnl if test $ac_cv_sys_posix_termios = yes; then
3027 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3028 dnl and macros for terminal control.])
3029 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3032 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
3034 # Set up the CFLAGS for real compilation, so we can substitute it.
3035 CFLAGS="$REAL_CFLAGS"
3036 CPPFLAGS="$REAL_CPPFLAGS"
3038 ## Hack to detect a buggy GCC version.
3039 if test "x$GCC" = xyes \
3040 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3041 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3042 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3043 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3046 #### Find out which version of Emacs this is.
3047 [version=`grep 'const char emacs_version' ${srcdir}/src/emacs.c \
3048 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
3049 if test x"${version}" = x; then
3050 AC_MSG_ERROR([can't find current emacs version in `${srcdir}/src/emacs.c'.])
3052 if test x"${version}" != x"$PACKAGE_VERSION"; then
3053 AC_MSG_WARN([version mismatch between `${srcdir}/configure.in' and `${srcdir}/src/emacs.c'.])
3056 ### Specify what sort of things we'll be editing into Makefile and config.h.
3057 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3059 AC_SUBST(configuration)
3064 AC_SUBST(exec_prefix)
3067 AC_SUBST(sharedstatedir)
3068 AC_SUBST(libexecdir)
3072 AC_SUBST(locallisppath)
3074 AC_SUBST(x_default_search_path)
3076 AC_SUBST(archlibdir)
3082 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3083 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3084 ## end of LIBX_BASE, but nothing ever set it.
3085 AC_SUBST(LD_SWITCH_X_SITE)
3086 AC_SUBST(C_SWITCH_X_SITE)
3087 AC_SUBST(C_SWITCH_X_SYSTEM)
3089 ## Used in lwlib/Makefile.in.
3090 AC_SUBST(X_TOOLKIT_TYPE)
3093 AC_SUBST(GETLOADAVG_LIBS)
3095 AC_SUBST(ns_appbindir)
3096 AC_SUBST(ns_appresdir)
3098 AC_SUBST(GNU_OBJC_CFLAGS)
3099 AC_SUBST(OTHER_FILES)
3101 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3102 [Define to the canonical Emacs configuration name.])
3103 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3104 [Define to the options passed to configure.])
3105 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3106 [Define to the used machine dependent file.])
3107 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3108 [Define to the used os dependent file.])
3113 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3114 AC_DEFINE(HAVE_X_WINDOWS, 1,
3115 [Define to 1 if you want to use the X window system.])
3117 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3119 if test "$HAVE_XFT" = "yes"; then
3120 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3121 elif test "$HAVE_FREETYPE" = "yes"; then
3122 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3132 if test "${USE_X_TOOLKIT}" != "none" ; then
3134 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3135 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3136 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3137 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3138 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3142 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3143 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3147 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3148 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3149 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3153 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3154 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3157 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3160 AC_SUBST(WIDGET_OBJ)
3163 case "$USE_X_TOOLKIT" in
3164 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3165 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3166 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3168 AC_SUBST(TOOLKIT_LIBW)
3170 if test "$USE_X_TOOLKIT" = "none"; then
3171 LIBXT_OTHER="\$(LIBXSM)"
3172 OLDXMENU_TARGET="really-oldXMenu"
3174 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3175 OLDXMENU_TARGET="really-lwlib"
3177 AC_SUBST(LIBXT_OTHER)
3179 ## The X Menu stuff is present in the X10 distribution, but missing
3180 ## from X11. If we have X10, just use the installed library;
3181 ## otherwise, use our own copy.
3182 if test "${HAVE_X11}" = "yes" ; then
3183 AC_DEFINE(HAVE_X11, 1,
3184 [Define to 1 if you want to use version 11 of X windows.
3185 Otherwise, Emacs expects to use version 10.])
3187 if test "$USE_X_TOOLKIT" = "none"; then
3188 OLDXMENU="\${oldXMenudir}libXMenu11.a"
3190 OLDXMENU="\${lwlibdir}liblw.a"
3192 LIBXMENU="\$(OLDXMENU)"
3193 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3194 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3196 ## For a syntactically valid Makefile; not actually used for anything.
3197 ## See comments in src/Makefile.in.
3199 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3200 if test "${HAVE_X_WINDOWS}" = "yes"; then
3209 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3216 AC_SUBST(OLDXMENU_TARGET)
3219 AC_SUBST(LIBX_OTHER)
3220 AC_SUBST(OLDXMENU_DEPS)
3222 if test "${HAVE_MENUS}" = "yes" ; then
3223 AC_DEFINE(HAVE_MENUS, 1,
3224 [Define to 1 if you have mouse menus.
3225 (This is automatic if you use X, but the option to specify it remains.)
3226 It is also defined with other window systems that support xmenu.c.])
3229 if test "${GNU_MALLOC}" = "yes" ; then
3230 AC_DEFINE(GNU_MALLOC, 1,
3231 [Define to 1 if you want to use the GNU memory allocator.])
3235 if test "${REL_ALLOC}" = "yes" ; then
3236 AC_DEFINE(REL_ALLOC, 1,
3237 [Define REL_ALLOC if you want to use the relocating allocator for
3240 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3242 AC_SUBST(RALLOC_OBJ)
3244 if test "$opsys" = "cygwin"; then
3245 CYGWIN_OBJ="sheap.o"
3246 ## Cygwin differs because of its unexec().
3248 POST_ALLOC_OBJ=lastfile.o
3251 PRE_ALLOC_OBJ=lastfile.o
3254 AC_SUBST(CYGWIN_OBJ)
3255 AC_SUBST(PRE_ALLOC_OBJ)
3256 AC_SUBST(POST_ALLOC_OBJ)
3260 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3263 ## The -headerpad option tells ld (see man page) to leave room at the
3264 ## end of the header for adding load commands. Needed for dumping.
3265 ## 0x690 is the total size of 30 segment load commands (at 56
3266 ## each); under Cocoa 31 commands are required.
3267 if test "$HAVE_NS" = "yes"; then
3268 libs_nsgui="-framework AppKit"
3274 LD_SWITCH_SYSTEM_TEMACS="-prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3276 ## This is here because src/Makefile.in did some extra fiddling around
3277 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3278 ## #ifndef LD_SWITCH_SYSTEM
3279 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3280 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3281 ## not using gcc, darwin system not on an alpha (ie darwin, since
3282 ## darwin + alpha does not occur).
3283 ## Because this was done in src/Makefile.in, the resulting part of
3284 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3285 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3286 ## rather than LD_SWITCH_SYSTEM.
3287 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3288 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3291 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3292 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3293 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3294 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3295 ## had different values in configure (in ac_link) and src/Makefile.in.
3296 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3297 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3299 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3302 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3303 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3306 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3312 ## gnu: GNU needs its own crt0.
3313 aix4-2|darwin|gnu|usg5-4|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3315 cygwin) LINKER="\$(CC)" ;;
3317 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3318 ## library search parth, i.e. it won't search /usr/lib for libc and
3319 ## friends. Using -nostartfiles instead avoids this problem, and
3320 ## will also work on earlier NetBSD releases.
3321 netbsd|openbsd) LINKER="\$(CC) -nostartfiles" ;;
3323 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3324 ## MkLinux/LinuxPPC needs this.
3325 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3328 macppc|ibms390x) LINKER="\$(CC) -nostdlib" ;;
3336 if test "x$ORDINARY_LINK" = "xyes"; then
3339 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3341 ## The system files defining neither ORDINARY_LINK nor LINKER are:
3342 ## (bsd-common), freebsd, gnu-* not on macppc|ibms390x, hpux*.
3343 elif test "x$GCC" = "xyes" && test "x$LINKER" = "x"; then
3345 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3346 ## places that are difficult to figure out at make time. Fortunately,
3347 ## these same versions allow you to pass arbitrary flags on to the
3348 ## linker, so there is no reason not to use it as a linker.
3350 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3351 ## searching for libraries in its internal directories, so we have to
3352 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3353 LINKER="\$(CC) -nostdlib"
3354 ## GCC passes any argument prefixed with -Xlinker directly to the linker.
3355 ## See prefix-args.c for an explanation of why we do not do this with the
3356 ## shell''s ``for'' construct. Note that sane people do not have '.' in
3357 ## their paths, so we must use ./prefix-args.
3358 ## TODO either make prefix-args check ORDINARY_LINK internally,
3359 ## or remove it altogether (bug#6184), removing the need for this hack.
3360 PRE_EDIT_LDFLAGS='`./prefix-args -Xlinker'
3361 POST_EDIT_LDFLAGS='`'
3363 AC_SUBST(PRE_EDIT_LDFLAGS)
3364 AC_SUBST(POST_EDIT_LDFLAGS)
3366 test "x$LINKER" = "x" && LINKER=ld
3367 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3368 test "$NS_IMPL_GNUSTEP" = "yes" && LINKER="\$(CC) -rdynamic"
3373 ## FIXME? The logic here is not precisely the same as that above.
3374 ## There is no check here for a pre-defined LINKER.
3375 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3377 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3380 ## cygwin: don't link against static libgcc.
3381 cygwin|freebsd|netbsd|openbsd) LIB_GCC= ;;
3384 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3385 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3386 ## Note that m/arm.h never bothered to undefine LIB_GCC first.
3387 if test "$machine" = "arm"; then
3390 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3391 ## immediately undefine it again and redefine it to empty.
3392 ## Was the C_SWITCH_X_SITE part really necessary?
3393 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3398 ## Ask GCC where to find libgcc.a.
3399 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3407 ## If we're using X11/GNUstep, define some consequences.
3408 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3409 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3410 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3411 MOUSE_SUPPORT="\$(REAL_MOUSE_SUPPORT)"
3412 TOOLTIP_SUPPORT="\${lispsource}mouse.elc"
3414 WINDOW_SUPPORT="\$(BASE_WINDOW_SUPPORT)"
3415 test "$HAVE_X_WINDOWS" = "yes" && \
3416 WINDOW_SUPPORT="$WINDOW_SUPPORT \$(X_WINDOW_SUPPORT)"
3419 AC_SUBST(MOUSE_SUPPORT)
3420 AC_SUBST(TOOLTIP_SUPPORT)
3421 AC_SUBST(WINDOW_SUPPORT)
3424 AH_TOP([/* GNU Emacs site configuration template file.
3425 Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
3426 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
3428 This file is part of GNU Emacs.
3430 GNU Emacs is free software: you can redistribute it and/or modify
3431 it under the terms of the GNU General Public License as published by
3432 the Free Software Foundation, either version 3 of the License, or
3433 (at your option) any later version.
3435 GNU Emacs is distributed in the hope that it will be useful,
3436 but WITHOUT ANY WARRANTY; without even the implied warranty of
3437 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3438 GNU General Public License for more details.
3440 You should have received a copy of the GNU General Public License
3441 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3444 /* No code in Emacs #includes config.h twice, but some bits of code
3445 intended to work with other packages as well (like gmalloc.c)
3446 think they can include it as many times as they like. */
3447 #ifndef EMACS_CONFIG_H
3448 #define EMACS_CONFIG_H
3452 /* Define AMPERSAND_FULL_NAME if you use the convention
3453 that & in the full name stands for the login id. */
3454 /* Turned on June 1996 supposing nobody will mind it. */
3455 #define AMPERSAND_FULL_NAME
3457 /* Define HAVE_SOUND if we have sound support. We know it works
3458 and compiles only on the specified platforms. For others,
3459 it probably doesn't make sense to try. */
3461 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
3462 #ifdef HAVE_MACHINE_SOUNDCARD_H
3463 #define HAVE_SOUND 1
3465 #ifdef HAVE_SYS_SOUNDCARD_H
3466 #define HAVE_SOUND 1
3468 #ifdef HAVE_SOUNDCARD_H
3469 #define HAVE_SOUND 1
3472 #define HAVE_SOUND 1
3474 #endif /* __FreeBSD__ || __NetBSD__ || __linux__ */
3476 /* If using GNU, then support inline function declarations. */
3477 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3478 generally, because even if non-gcc compilers accept `inline', they
3479 may reject `extern inline'. */
3480 #if defined (__GNUC__) && defined (OPTIMIZE)
3481 #define INLINE __inline__
3486 /* `subprocesses' should be defined if you want to
3487 have code for asynchronous subprocesses
3488 (as used in M-x compile and M-x shell).
3489 Only MSDOS does not support this (it overrides
3490 this in its config_opsysfile below). */
3492 #define subprocesses
3494 /* Include the os and machine dependent files. */
3495 #include config_opsysfile
3496 #include config_machfile
3498 /* Set up some defines, C and LD flags for NeXTstep interface on GNUstep.
3499 (There is probably a better place to do this, but right now the Cocoa
3500 side does this in s/darwin.h and we cannot
3501 parallel this exactly since GNUstep is multi-OS. */
3503 # ifdef NS_IMPL_GNUSTEP
3504 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3505 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems. */
3506 # define SYSTEM_PURESIZE_EXTRA 30000
3507 # endif /* NS_IMPL_GNUSTEP */
3508 #endif /* HAVE_NS */
3510 /* SIGTYPE is the macro we actually use. */
3512 #define SIGTYPE RETSIGTYPE
3515 #ifdef emacs /* Don't do this for lib-src. */
3516 /* Tell regex.c to use a type compatible with Emacs. */
3517 #define RE_TRANSLATE_TYPE Lisp_Object
3518 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3520 /* If make_number is a macro, use it. */
3521 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3523 /* If make_number is a function, avoid it. */
3524 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3528 /* Avoid link-time collision with system mktime if we will use our own. */
3529 #if ! HAVE_MKTIME || BROKEN_MKTIME
3530 #define mktime emacs_mktime
3533 #define my_strftime nstrftime /* for strftime.c */
3535 /* The rest of the code currently tests the CPP symbol BSTRING.
3536 Override any claims made by the system-description files.
3537 Note that on some SCO version it is possible to have bcopy and not bcmp. */
3539 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
3543 /* Some of the files of Emacs which are intended for use with other
3544 programs assume that if you have a config.h file, you must declare
3547 This declaration shouldn't appear when alloca.s or Makefile.in
3548 includes config.h. */
3550 extern char *getenv ();
3553 /* These default definitions are good for almost all machines.
3554 The exceptions override them in m/MACHINE.h. */
3556 #ifndef BITS_PER_CHAR
3557 #define BITS_PER_CHAR 8
3560 #ifndef BITS_PER_SHORT
3561 #define BITS_PER_SHORT 16
3564 /* Note that lisp.h uses this in a preprocessor conditional, so it
3565 would not work to use sizeof. That being so, we do all of them
3566 without sizeof, for uniformity's sake. */
3567 #ifndef BITS_PER_INT
3568 #define BITS_PER_INT 32
3571 #ifndef BITS_PER_LONG
3573 #define BITS_PER_LONG 64
3575 #define BITS_PER_LONG 32
3579 /* Define if the compiler supports function prototypes. It may do so
3580 but not define __STDC__ (e.g. DEC C by default) or may define it as
3585 # if defined PROTOTYPES
3586 # define __P(args) args
3588 # define __P(args) ()
3592 /* Don't include "string.h" or <stdlib.h> in non-C code. */
3594 #ifdef HAVE_STRING_H
3597 #ifdef HAVE_STRINGS_H
3598 #include "strings.h" /* May be needed for bcopy & al. */
3600 #ifdef HAVE_STDLIB_H
3604 # ifdef HAVE_ALLOCA_H
3605 # include <alloca.h>
3606 # else /* AIX files deal with #pragma. */
3607 # ifndef alloca /* predefined by HP cc +Olibcalls */
3610 # endif /* HAVE_ALLOCA_H */
3611 #endif /* __GNUC__ */
3613 typedef unsigned size_t;
3615 #endif /* NOT_C_CODE */
3617 /* Define HAVE_X_I18N if we have usable i18n support. */
3623 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */
3625 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3626 #define HAVE_X11R6_XIM
3629 #if defined __GNUC__ && (__GNUC__ > 2 \
3630 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3631 #define NO_RETURN __attribute__ ((__noreturn__))
3633 #define NO_RETURN /* nothing */
3636 /* These won't be used automatically yet. We also need to know, at least,
3637 that the stack is continuous. */
3639 # ifndef GC_SETJMP_WORKS
3640 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3641 # define GC_SETJMP_WORKS 1
3643 # ifndef GC_LISP_OBJECT_ALIGNMENT
3644 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3649 #define bcopy(a,b,s) memcpy (b,a,s)
3652 #define bzero(a,s) memset (a,0,s)
3658 #endif /* EMACS_CONFIG_H */
3667 #### Report on what we decided to do.
3668 #### Report GTK as a toolkit, even if it doesn't use Xt.
3669 #### It makes printing result more understandable as using GTK sets
3670 #### toolkit_scroll_bars to yes by default.
3671 if test "${HAVE_GTK}" = "yes"; then
3676 Configured for \`${canonical}'.
3678 Where should the build process find the source code? ${srcdir}
3679 What operating system and machine description files should Emacs use?
3680 \`${opsysfile}' and \`${machfile}'
3681 What compiler should emacs be built with? ${CC} ${CFLAGS}
3682 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3683 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3684 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3685 What window system should Emacs use? ${window_system}
3686 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3688 if test -n "${x_includes}"; then
3689 echo " Where do we find X Windows header files? ${x_includes}"
3691 echo " Where do we find X Windows header files? Standard dirs"
3693 if test -n "${x_libraries}"; then
3694 echo " Where do we find X Windows libraries? ${x_libraries}"
3696 echo " Where do we find X Windows libraries? Standard dirs"
3699 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3700 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3701 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3702 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3703 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3704 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3705 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3706 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3707 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3708 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3709 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3711 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3712 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3713 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3714 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3716 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3719 if test $USE_XASSERTS = yes; then
3720 echo " Compiling with asserts turned on."
3721 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3726 if test "$HAVE_NS" = "yes"; then
3728 echo "You must run \"make install\" in order to test the built application.
3729 The installed application will go to nextstep/Emacs.app and can be
3730 run or moved from there."
3731 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3732 echo "The application will be fully self-contained."
3734 echo "The lisp resources for the application will be installed under ${prefix}.
3735 You may need to run \"make install\" with sudo. The application will fail
3736 to run if these resources are not installed."
3741 if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then
3742 echo "D-Bus integration has been tested for GNU/Linux only."
3747 # Remove any trailing slashes in these variables.
3748 [test "${prefix}" != NONE &&
3749 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3750 test "${exec_prefix}" != NONE &&
3751 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3753 AC_OUTPUT(Makefile lib-src/Makefile oldXMenu/Makefile \
3754 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3755 doc/lispref/Makefile src/Makefile \
3756 lwlib/Makefile lisp/Makefile leim/Makefile, [
3758 ### Make the necessary directories, if they don't exist.
3759 for dir in etc lisp ; do
3760 test -d ${dir} || mkdir ${dir}
3763 echo creating src/epaths.h
3764 ${MAKE-make} epaths-force
3766 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3767 echo creating src/.gdbinit
3768 echo source $srcdir/src/.gdbinit > src/.gdbinit
3771 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3773 m4_if(dnl Do not change this comment
3774 arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e