1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2011 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.0.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
30 dnl Support for --program-prefix, --program-suffix and
31 dnl --program-transform-name options
34 dnl It is important that variables on the RHS not be expanded here,
35 dnl hence the single quotes. This is per the GNU coding standards, see
36 dnl (autoconf) Installation Directory Variables
37 dnl See also epaths.h below.
38 lispdir='${datadir}/emacs/${version}/lisp'
39 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
40 '${datadir}/emacs/site-lisp'
41 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
42 etcdir='${datadir}/emacs/${version}/etc'
43 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
44 docdir='${datadir}/emacs/${version}/etc'
45 gamedir='${localstatedir}/games/emacs'
47 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
48 dnl Create a new --with option that defaults to being disabled.
49 dnl NAME is the base name of the option. The shell variable with_NAME
50 dnl will be set to either the user's value (if the option is
51 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
52 dnl option is not specified). Note that the shell variable name is
53 dnl constructed as autoconf does, by replacing non-alphanumeric
54 dnl characters with "_".
55 dnl HELP-STRING is the help text for the option.
56 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
57 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
58 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
61 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
62 dnl Create a new --with option that defaults to being enabled. NAME
63 dnl is the base name of the option. The shell variable with_NAME
64 dnl will be set either to 'no' (for a plain --without-NAME) or to
65 dnl 'yes' (if the option is not specified). Note that the shell
66 dnl variable name is constructed as autoconf does, by replacing
67 dnl non-alphanumeric characters with "_".
68 dnl HELP-STRING is the help text for the option.
69 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
70 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
71 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
74 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
75 if test "$with_pop" = yes; then
76 AC_DEFINE(MAIL_USE_POP)
78 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
80 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
81 if test "$with_kerberos" != no; then
85 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
87 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
88 if test "${with_kerberos5}" != no; then
89 if test "${with_kerberos}" = no; then
93 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
96 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
97 dnl FIXME hesiod support may not be present, so it seems like an error
98 dnl to define, or at least use, this unconditionally.
99 if test "$with_hesiod" != no; then
100 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
103 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
104 if test "$with_mmdf" != no; then
105 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
108 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
109 if test "$with_mail_unlink" != no; then
110 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
113 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
114 [string giving default POP mail host])],
115 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
117 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
119 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
120 if test "$with_sync_input" = yes; then
121 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
124 dnl FIXME currently it is not the last.
125 dnl This should be the last --with option, because --with-x is
126 dnl added later on when we find the path of X, and it's best to
127 dnl keep them together visually.
128 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
129 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
130 [ case "${withval}" in
131 y | ye | yes ) val=gtk ;;
133 l | lu | luc | luci | lucid ) val=lucid ;;
134 a | at | ath | athe | athen | athena ) val=athena ;;
135 m | mo | mot | moti | motif ) val=motif ;;
136 g | gt | gtk ) val=gtk ;;
139 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
140 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
141 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
147 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
148 if test "$with_wide_int" = yes; then
149 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
152 dnl _ON results in a '--without' option in the --help output, so
153 dnl the help text should refer to "don't compile", etc.
154 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
155 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
156 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
157 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
158 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
159 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
160 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
161 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
163 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
164 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
165 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
167 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
168 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
169 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
170 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
172 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
173 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
174 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
175 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
176 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
178 ## For the times when you want to build Emacs but don't have
179 ## a suitable makeinfo, and can live without the manuals.
180 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
181 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
183 ## This is an option because I do not know if all info/man support
184 ## compressed files, nor how to test if they do so.
185 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
186 if test $with_compress_info = yes; then
193 AC_ARG_WITH([pkg-config-prog],dnl
194 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
195 [path to pkg-config for finding GTK and librsvg])])
196 if test "X${with_pkg_config_prog}" != X; then
197 if test "${with_pkg_config_prog}" != yes; then
198 PKG_CONFIG="${with_pkg_config_prog}"
203 AC_ARG_WITH([crt-dir],dnl
204 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
205 The default is /usr/lib, or /usr/lib64 on some platforms.])])
206 CRT_DIR="${with_crt_dir}"
208 AC_ARG_WITH(gameuser,dnl
209 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
210 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
211 && gameuser="${with_gameuser}"
212 test "X$gameuser" = X && gameuser=games
214 AC_ARG_WITH([gnustep-conf],dnl
215 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
216 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
217 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
218 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
219 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
221 AC_ARG_ENABLE(ns-self-contained,
222 [AS_HELP_STRING([--disable-ns-self-contained],
223 [disable self contained build under NeXTstep])],
224 EN_NS_SELF_CONTAINED=$enableval,
225 EN_NS_SELF_CONTAINED=yes)
227 AC_ARG_ENABLE(asserts,
228 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
229 USE_XASSERTS=$enableval,
232 AC_ARG_ENABLE(maintainer-mode,
233 [AS_HELP_STRING([--enable-maintainer-mode],
234 [enable make rules and dependencies not useful (and sometimes
235 confusing) to the casual installer])],
236 USE_MAINTAINER_MODE=$enableval,
237 USE_MAINTAINER_MODE=yes)
238 if test $USE_MAINTAINER_MODE = yes; then
245 AC_ARG_ENABLE(locallisppath,
246 [AS_HELP_STRING([--enable-locallisppath=PATH],
247 [directories Emacs should search for lisp files specific
249 if test "${enableval}" = "no"; then
251 elif test "${enableval}" != "yes"; then
252 locallisppath=${enableval}
255 AC_ARG_ENABLE(checking,
256 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
257 [enable expensive run-time checks. With LIST,
258 enable only specific categories of checks.
259 Categories are: all,yes,no.
260 Flags are: stringbytes, stringoverrun, stringfreelist,
261 xmallocoverrun, conslist])],
262 [ac_checking_flags="${enableval}"],[])
263 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
264 for check in $ac_checking_flags
267 # these set all the flags to specific states
268 yes) ac_enable_checking=1 ;;
269 no) ac_enable_checking= ;
270 ac_gc_check_stringbytes= ;
271 ac_gc_check_string_overrun= ;
272 ac_gc_check_string_free_list= ;
273 ac_xmalloc_overrun= ;
274 ac_gc_check_cons_list= ;;
275 all) ac_enable_checking=1 ;
276 ac_gc_check_stringbytes=1 ;
277 ac_gc_check_string_overrun=1 ;
278 ac_gc_check_string_free_list=1 ;
279 ac_xmalloc_overrun=1 ;
280 ac_gc_check_cons_list=1 ;;
281 # these enable particular checks
282 stringbytes) ac_gc_check_stringbytes=1 ;;
283 stringoverrun) ac_gc_check_string_overrun=1 ;;
284 stringfreelist) ac_gc_check_string_free_list=1 ;;
285 xmallocoverrun) ac_xmalloc_overrun=1 ;;
286 conslist) ac_gc_check_cons_list=1 ;;
287 *) AC_MSG_ERROR(unknown check category $check) ;;
292 if test x$ac_enable_checking != x ; then
293 AC_DEFINE(ENABLE_CHECKING, 1,
294 [Enable expensive run-time checking of data types?])
296 if test x$ac_gc_check_stringbytes != x ; then
297 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
298 [Define this temporarily to hunt a bug. If defined, the size of
299 strings is redundantly recorded in sdata structures so that it can
300 be compared to the sizes recorded in Lisp strings.])
302 if test x$ac_gc_check_string_overrun != x ; then
303 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
304 [Define this to check for short string overrun.])
306 if test x$ac_gc_check_string_free_list != x ; then
307 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
308 [Define this to check the string free list.])
310 if test x$ac_xmalloc_overrun != x ; then
311 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
312 [Define this to check for malloc buffer overrun.])
314 if test x$ac_gc_check_cons_list != x ; then
315 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
316 [Define this to check for errors in cons list.])
319 AC_ARG_ENABLE(use-lisp-union-type,
320 [AS_HELP_STRING([--enable-use-lisp-union-type],
321 [use a union for the Lisp_Object data type.
322 This is only useful for development for catching certain types of bugs.])],
323 if test "${enableval}" != "no"; then
324 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
325 [Define this to use a lisp union for the Lisp_Object data type.])
329 AC_ARG_ENABLE(profiling,
330 [AS_HELP_STRING([--enable-profiling],
331 [build emacs with profiling support.
332 This might not work on all platforms])],
333 [ac_enable_profiling="${enableval}"],[])
334 if test x$ac_enable_profiling != x ; then
335 PROFILING_CFLAGS="-DPROFILING=1 -pg"
339 AC_SUBST(PROFILING_CFLAGS)
341 AC_ARG_ENABLE(autodepend,
342 [AS_HELP_STRING([--enable-autodepend],
343 [automatically generate dependencies to .h-files.
344 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
346 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
348 #### Make srcdir absolute, if it isn't already. It's important to
349 #### avoid running the path through pwd unnecessarily, since pwd can
350 #### give you automounter prefixes, which can go away. We do all this
351 #### so Emacs can find its files when run uninstalled.
352 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
357 ## We may be able to use the $PWD environment variable to make this
358 ## absolute. But sometimes PWD is inaccurate.
359 ## Note: we used to use ${PWD} at the end instead of `pwd`,
360 ## but that tested only for a well-formed and valid PWD,
361 ## it did not object when PWD was well-formed and valid but just wrong.
362 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
366 srcdir="`(cd ${srcdir}; pwd)`"
369 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
372 #### Given the configuration name, set machfile and opsysfile to the
373 #### names of the m/*.h and s/*.h files we should use.
375 ### Canonicalize the configuration name.
379 configuration=${host_alias-${build_alias-$host}}
381 dnl This used to use changequote, but, apart from `changequote is evil'
382 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
383 dnl the great gob of text. Thus it's not processed for possible expansion.
384 dnl Just make sure the brackets remain balanced.
386 dnl Since Emacs can't find matching pairs of quotes, boundaries are
387 dnl indicated by comments.
391 ### If you add support for a new configuration, add code to this
392 ### switch statement to recognize your configuration name and select
393 ### the appropriate operating system and machine description files.
395 ### You would hope that you could choose an m/*.h file pretty much
396 ### based on the machine portion of the configuration name, and an s/*.h
397 ### file based on the operating system portion. However, it turns out
398 ### that each m/*.h file is pretty manufacturer-specific - for
399 ### example mips.h is MIPS
400 ### So we basically have to have a special case for each
401 ### configuration name.
403 ### As far as handling version numbers on operating systems is
404 ### concerned, make sure things will fail in a fixable way. If
405 ### /etc/MACHINES doesn't say anything about version numbers, be
406 ### prepared to handle anything reasonably. If version numbers
407 ### matter, be sure /etc/MACHINES says something about it.
409 machine='' opsys='' unported=no
410 case "${canonical}" in
416 alpha*) machine=alpha ;;
417 s390-*) machine=ibms390 ;;
418 s390x-*) machine=ibms390x ;;
419 powerpc*) machine=macppc ;;
420 sparc*) machine=sparc ;;
421 ia64*) machine=ia64 ;;
422 m68k*) machine=m68k ;;
423 x86_64*) machine=amdx86-64 ;;
430 case "${canonical}" in
431 alpha*) machine=alpha ;;
432 amd64-*|x86_64-*) machine=amdx86-64 ;;
433 ia64-*) machine=ia64 ;;
434 i[3456]86-*) machine=intel386 ;;
435 powerpc-*) machine=macppc ;;
436 sparc-*) machine=sparc ;;
437 sparc64-*) machine=sparc ;;
441 ## FreeBSD kernel + glibc based userland
444 case "${canonical}" in
445 alpha*) machine=alpha ;;
446 amd64-*|x86_64-*) machine=amdx86-64 ;;
447 ia64-*) machine=ia64 ;;
448 i[3456]86-*) machine=intel386 ;;
449 powerpc-*) machine=macppc ;;
450 sparc-*) machine=sparc ;;
451 sparc64-*) machine=sparc ;;
458 case "${canonical}" in
459 alpha*) machine=alpha ;;
460 x86_64-*) machine=amdx86-64 ;;
461 i[3456]86-*) machine=intel386 ;;
462 m68k-*) machine=m68k ;;
463 powerpc-*) machine=macppc ;;
464 sparc*-) machine=sparc ;;
465 vax-*) machine=vax ;;
472 case "${canonical}" in
473 alpha*) machine=alpha ;;
474 x86_64-*) machine=amdx86-64 ;;
475 i386-*) machine=intel386 ;;
476 powerpc-*) machine=macppc ;;
477 sparc*) machine=sparc ;;
478 vax-*) machine=vax ;;
482 ## Apple Darwin / Mac OS X
484 case "${canonical}" in
485 i[3456]86-* ) machine=intel386 ;;
486 powerpc-* ) machine=macppc ;;
487 x86_64-* ) machine=amdx86-64 ;;
491 # Define CPP as follows to make autoconf work correctly.
492 CPP="${CC-cc} -E -no-cpp-precomp"
493 # Use fink packages if available.
494 if test -d /sw/include && test -d /sw/lib; then
495 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
496 CPP="${CPP} ${GCC_TEST_OPTIONS}"
497 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
501 ## HP 9000 series 700 and 800, running HP/UX
505 hppa*-hp-hpux1[1-9]* )
507 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
510 ia64*-hp-hpux1[1-9]* )
511 machine=hp800 opsys=hpux11
512 ## FIXME. Peter O'Gorman reports that dumping using unexelf.o doesn't
513 ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
518 machine=hp800 opsys=gnu-linux
522 rs6000-ibm-aix4.[23]* )
523 machine=ibmrs6000 opsys=aix4-2
525 powerpc-ibm-aix4.[23]* )
526 machine=ibmrs6000 opsys=aix4-2
528 rs6000-ibm-aix[56]* )
529 machine=ibmrs6000 opsys=aix4-2
531 powerpc-ibm-aix[56]* )
532 machine=ibmrs6000 opsys=aix4-2
535 ## Silicon Graphics machines
538 machine=iris4d opsys=irix6-5
539 # Without defining _LANGUAGE_C, things get masked out in the headers
540 # so that, for instance, grepping for `free' in stdlib.h fails and
541 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
542 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
543 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
548 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
549 | x86_64-*-solaris2* | x86_64-*-sunos5*)
550 case "${canonical}" in
551 i[3456]86-*-* ) machine=intel386 ;;
552 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
553 sparc* ) machine=sparc ;;
556 case "${canonical}" in
557 *-sunos5.6* | *-solaris2.6* )
559 NON_GNU_CPP=/usr/ccs/lib/cpp
562 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
564 emacs_check_sunpro_c=yes
565 NON_GNU_CPP=/usr/ccs/lib/cpp
567 *-sunos5* | *-solaris* )
569 emacs_check_sunpro_c=yes
570 NON_GNU_CPP=/usr/ccs/lib/cpp
573 ## Watch out for a compiler that we know will not work.
574 case "${canonical}" in
575 *-solaris* | *-sunos5* )
576 if [ "x$CC" = x/usr/ucb/cc ]; then
577 ## /usr/ucb/cc doesn't work;
578 ## we should find some other compiler that does work.
586 ## Intel 386 machines where we don't care about the manufacturer.
589 case "${canonical}" in
590 *-cygwin ) opsys=cygwin ;;
591 *-darwin* ) opsys=darwin
592 CPP="${CC-cc} -E -no-cpp-precomp"
594 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
595 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
596 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
597 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
606 ### If the code above didn't choose an operating system, just choose
607 ### an operating system based on the configuration name. You really
608 ### only want to use this when you have no idea what the right
609 ### operating system is; if you know what operating systems a machine
610 ### runs, it's cleaner to make it explicit in the case statement
612 if test x"${opsys}" = x; then
613 case "${canonical}" in
614 *-gnu* ) opsys=gnu ;;
624 if test $unported = yes; then
625 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
626 Check `etc/MACHINES' for recognized configuration names.])
629 if test -n "$machine"; then
630 machfile="m/${machine}.h"
634 opsysfile="s/${opsys}.h"
637 #### Choose a compiler.
638 test -n "$CC" && cc_specified=yes
640 # Save the value of CFLAGS that the user specified.
641 SPECIFIED_CFLAGS="$CFLAGS"
643 dnl Sets GCC=yes if using gcc.
647 # Initialize gnulib right after verifying that the C compiler works.
650 # On Suns, sometimes $CPP names a directory.
651 if test -n "$CPP" && test -d "$CPP"; then
655 ## If not using gcc, and on Solaris, and no CPP specified, see if
656 ## using a Sun compiler, which needs -Xs to prevent whitespace.
657 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
658 test x"$CPP" = x; then
659 AC_MSG_CHECKING([whether we are using a Sun C compiler])
660 AC_CACHE_VAL(emacs_cv_sunpro_c,
661 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
665 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
666 AC_MSG_RESULT($emacs_cv_sunpro_c)
668 if test x"$emacs_cv_sunpro_c" = xyes; then
669 NON_GNU_CPP="$CC -E -Xs"
673 #### Some systems specify a CPP to use unless we are using GCC.
674 #### Now that we know whether we are using GCC, we can decide whether
675 #### to use that one.
676 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
681 #### Some systems specify a CC 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$NON_GNU_CC" != x && test x$GCC != xyes &&
685 test x$cc_specified != xyes
690 if test x$GCC = xyes; then
691 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
693 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
696 ### Use -Wdeclaration-after-statement if the compiler supports it
697 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
698 SAVE_CFLAGS="$CFLAGS"
699 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
700 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
701 if test $has_option = yes; then
702 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
704 AC_MSG_RESULT($has_option)
705 CFLAGS="$SAVE_CFLAGS"
709 ### Use -Wold-style-definition if the compiler supports it
710 # This can be removed when conversion to standard C is finished.
711 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
712 SAVE_CFLAGS="$CFLAGS"
713 CFLAGS="$CFLAGS -Wold-style-definition"
714 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
715 if test $has_option = yes; then
716 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
718 AC_MSG_RESULT($has_option)
719 CFLAGS="$SAVE_CFLAGS"
723 ### Use -Wimplicit-function-declaration if the compiler supports it
724 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
725 SAVE_CFLAGS="$CFLAGS"
726 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
727 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
728 if test $has_option = yes; then
729 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
731 AC_MSG_RESULT($has_option)
732 CFLAGS="$SAVE_CFLAGS"
736 AC_SUBST(C_WARNINGS_SWITCH)
739 #### Some other nice autoconf tests.
741 dnl checks for programs
744 if test "x$RANLIB" = x; then
748 ## Although we're running on an amd64 kernel, we're actually compiling for
749 ## the x86 architecture. The user should probably have provided an
750 ## explicit --build to `configure', but if everything else than the kernel
751 ## is running in i386 mode, we can help them out.
752 if test "$machine" = "amdx86-64"; then
753 AC_CHECK_DECL([i386])
754 if test "$ac_cv_have_decl_i386" = "yes"; then
755 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
757 machfile="m/${machine}.h"
761 AC_PATH_PROG(INSTALL_INFO, install-info)
762 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
763 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
764 dnl Don't use GZIP, which is used by gzip for additional parameters.
765 AC_PATH_PROG(GZIP_PROG, gzip)
768 ## Need makeinfo >= 4.6 (?) to build the manuals.
769 AC_PATH_PROG(MAKEINFO, makeinfo, no)
770 dnl By this stage, configure has already checked for egrep and set EGREP,
771 dnl or exited with an error if no egrep was found.
772 if test "$MAKEINFO" != "no" && \
773 test x"`$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
777 ## Makeinfo is unusual. For a released Emacs, the manuals are
778 ## pre-built, and not deleted by the normal clean rules. makeinfo is
779 ## therefore in the category of "special tools" not normally required, which
780 ## configure does not have to check for (eg autoconf itself).
781 ## In a Bazaar checkout on the other hand, the manuals are not included.
782 ## So makeinfo is a requirement to build from Bazaar, and configure
783 ## should test for it as it does for any other build requirement.
784 ## We use the presence of $srcdir/info/emacs to distinguish a release,
785 ## with pre-built manuals, from a Bazaar checkout.
788 if test "$MAKEINFO" = "no"; then
790 if test "x${with_makeinfo}" = "xno"; then
792 elif test ! -e $srcdir/info/emacs; then
793 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
794 source tree does not seem to have pre-built manuals in the `info' directory.
795 Either install a suitable version of makeinfo, or re-run configure
796 with the `--without-makeinfo' option to build without the manuals.] )
799 AC_SUBST(HAVE_MAKEINFO)
801 dnl Add our options to ac_link now, after it is set up.
803 if test x$GCC = xyes; then
804 test "x$GCC_LINK_TEST_OPTIONS" != x && \
805 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
807 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
808 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
811 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
812 dnl If we can link with the flag, it shouldn't do any harm anyhow.
813 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
814 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
815 dnl if not built to support GNU ld.
817 late_LDFLAGS=$LDFLAGS
818 if test x$GCC = xyes; then
819 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
821 LDFLAGS="$LDFLAGS -znocombreloc"
824 AC_MSG_CHECKING([for -znocombreloc])
825 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
826 [AC_MSG_RESULT(yes)],
827 LDFLAGS=$late_LDFLAGS
831 # The value of CPP is a quoted variable reference, so we need to do this
832 # to get its actual value...
833 CPP=`eval "echo $CPP"`
836 dnl The function dump-emacs will not be defined and temacs will do
837 dnl (load "loadup") automatically unless told otherwise.
838 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
840 your-opsys-here) CANNOT_DUMP=yes ;;
843 test "$CANNOT_DUMP" = "yes" && \
844 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
846 AC_SUBST(CANNOT_DUMP)
851 # MSDOS uses unexcoff.o
852 # MSWindows uses unexw32.o
860 UNEXEC_OBJ=unexmacosx.o
863 UNEXEC_OBJ=unexhp9k800.o
866 # Use the Solaris dldump() function, called from unexsol.c, to dump
867 # emacs, instead of the generic ELF dump code found in unexelf.c.
868 # The resulting binary has a complete symbol table, and is better
869 # for debugging and other observability tools (debuggers, pstack, etc).
871 # If you encounter a problem using dldump(), please consider sending
872 # a message to the OpenSolaris tools-linking mailing list:
873 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
875 # It is likely that dldump() works with older Solaris too, but this has
876 # not been tested, so for now this change is for Solaris 10 or newer.
884 ## Let `ld' find image libs and similar things in /usr/local/lib.
885 ## The system compiler, GCC, has apparently been modified to not
886 ## look there, contrary to what a stock GCC would do.
887 LD_SWITCH_SYSTEM=-L/usr/local/lib
891 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
892 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
896 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
900 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
901 ## otherwise Emacs dumps core on elf systems.
902 LD_SWITCH_SYSTEM="-Z"
905 AC_SUBST(LD_SWITCH_SYSTEM)
907 ac_link="$ac_link $LD_SWITCH_SYSTEM"
909 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
910 ## which has not been defined yet. When this was handled with cpp,
911 ## it was expanded to null when configure sourced the s/*.h file.
912 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
913 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
914 ## (or somesuch), but because it is supposed to go at the _front_
915 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
916 ## Compare with the gnu-linux case below, which added to the end
917 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
918 ## LD_SWITCH_SYSTEM_TEMACS.
921 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
922 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
927 if test "$machine" = "alpha"; then
928 AC_CHECK_DECL([__ELF__])
929 if test "$ac_cv_have_decl___ELF__" = "yes"; then
930 ## With ELF, make sure that all common symbols get allocated to in the
931 ## data section. Otherwise, the dump of temacs may miss variables in
932 ## the shared library that have been initialized. For example, with
933 ## GNU libc, __malloc_initialized would normally be resolved to the
934 ## shared library's .bss section, which is fatal.
935 if test "x$GCC" = "xyes"; then
936 C_SWITCH_MACHINE="-fno-common"
938 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
941 UNEXEC_OBJ=unexalpha.o
944 AC_SUBST(C_SWITCH_MACHINE)
949 ## Some programs in src produce warnings saying certain subprograms
950 ## are too complex and need a MAXMEM value greater than 2000 for
951 ## additional optimization. --nils@exp-math.uni-essen.de
952 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
953 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
954 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
955 ## It is redundant in glibc2, since we define _GNU_SOURCE.
956 AC_SUBST(C_SWITCH_SYSTEM)
961 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
962 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
964 freebsd) LIBS_SYSTEM="-lutil" ;;
966 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
968 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
970 ## Motif needs -lgen.
971 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
973 AC_SUBST(LIBS_SYSTEM)
976 ### Make sure subsequent tests use flags consistent with the build flags.
978 if test x"${OVERRIDE_CPPFLAGS}" != x; then
979 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
981 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
984 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
985 AC_DEFUN([AC_TYPE_SIZE_T])
987 dnl Do this early because it can frob feature test macros for Unix-98 &c.
991 ## If user specified a crt-dir, use that unconditionally.
992 if test "X$CRT_DIR" = "X"; then
995 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
996 ## On x86-64 and s390x GNU/Linux distributions, the standard library
997 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
998 ## For anything else (eg /usr/lib32), it is up the user to specify
999 ## the location (bug#5655).
1000 ## Test for crtn.o, not just the directory, because sometimes the
1001 ## directory exists but does not have the relevant files (bug#1287).
1002 ## FIXME better to test for binary compatibility somehow.
1003 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1006 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1010 hpux10-20) CRT_DIR=/lib ;;
1013 ## Default is /usr/lib.
1014 test "X$CRT_DIR" = "X" && CRT_DIR=/usr/lib
1016 ## If we're using gcc, try to determine it automatically by asking
1017 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1018 ## system-dependent default from above.]
1019 if test "x${GCC}" = xyes; then
1020 crt_file=`$CC --print-file-name=crt1.o 2>/dev/null`
1023 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1030 ## Some platforms don't use any of these files, so it is not
1031 ## appropriate to put this test outside the if block.
1032 test -e $CRT_DIR/crtn.o || test -e $CRT_DIR/crt0.o || \
1033 AC_MSG_ERROR([crt*.o not found in specified location.])
1046 START_FILES='pre-crt0.o'
1049 ## Adding -lm confuses the dynamic linker, so omit it.
1051 START_FILES='pre-crt0.o'
1054 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1055 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1057 gnu-linux | gnu-kfreebsd )
1058 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1059 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1061 hpux10-20 | hpux11 )
1063 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1066 if test -f $CRT_DIR/crti.o; then
1067 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1068 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1070 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1071 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1077 AC_SUBST(START_FILES)
1079 dnl This function definition taken from Gnome 2.0
1080 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1081 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1082 dnl also defines GSTUFF_PKG_ERRORS on error
1083 AC_DEFUN([PKG_CHECK_MODULES], [
1086 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1088 if test "$PKG_CONFIG" = "no" ; then
1089 ifelse([$4], , [AC_MSG_ERROR([
1090 *** 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])
1092 PKG_CONFIG_MIN_VERSION=0.9.0
1093 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1094 AC_MSG_CHECKING(for $2)
1096 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1100 AC_MSG_CHECKING($1_CFLAGS)
1101 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1102 AC_MSG_RESULT($$1_CFLAGS)
1104 AC_MSG_CHECKING($1_LIBS)
1105 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1106 AC_MSG_RESULT($$1_LIBS)
1111 ## If we have a custom action on failure, don't print errors, but
1112 ## do set a variable so people can do so.
1113 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1114 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1120 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1121 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1125 if test $succeeded = yes; then
1126 ifelse([$3], , :, [$3])
1128 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.])], [$4])
1133 if test "${with_sound}" != "no"; then
1134 # Sound support for GNU/Linux and the free BSDs.
1135 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1136 have_sound_header=yes)
1137 # Emulation library used on NetBSD.
1138 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1142 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1143 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1144 if test $HAVE_ALSA = yes; then
1145 SAVE_CFLAGS="$CFLAGS"
1146 SAVE_LDFLAGS="$LDFLAGS"
1147 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1148 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1149 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1150 emacs_alsa_normal=yes,
1151 emacs_alsa_normal=no)
1152 if test "$emacs_alsa_normal" != yes; then
1153 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1154 [[snd_lib_error_set_handler (0);]])],
1155 emacs_alsa_subdir=yes,
1156 emacs_alsa_subdir=no)
1157 if test "$emacs_alsa_subdir" != yes; then
1158 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1160 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1163 CFLAGS="$SAVE_CFLAGS"
1164 LDFLAGS="$SAVE_LDFLAGS"
1165 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1166 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1167 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1170 dnl Define HAVE_SOUND if we have sound support. We know it works and
1171 dnl compiles only on the specified platforms. For others, it
1172 dnl probably doesn't make sense to try.
1173 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1175 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1176 gnu-linux|freebsd|netbsd)
1177 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1182 AC_SUBST(CFLAGS_SOUND)
1185 dnl checks for header files
1186 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1187 linux/version.h sys/systeminfo.h limits.h \
1188 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1189 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1190 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1192 AC_MSG_CHECKING(if personality LINUX32 can be set)
1193 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1194 emacs_cv_personality_linux32=yes,
1195 emacs_cv_personality_linux32=no)
1196 AC_MSG_RESULT($emacs_cv_personality_linux32)
1198 if test $emacs_cv_personality_linux32 = yes; then
1199 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1200 [Define to 1 if personality LINUX32 can be set.])
1203 dnl On Solaris 8 there's a compilation warning for term.h because
1204 dnl it doesn't define `bool'.
1205 AC_CHECK_HEADERS(term.h, , , -)
1208 AC_CHECK_DECLS([sys_siglist])
1209 if test $ac_cv_have_decl_sys_siglist != yes; then
1210 # For Tru64, at least:
1211 AC_CHECK_DECLS([__sys_siglist])
1212 if test $ac_cv_have_decl___sys_siglist = yes; then
1213 AC_DEFINE(sys_siglist, __sys_siglist,
1214 [Define to any substitute for sys_siglist.])
1219 dnl Some systems have utime.h but don't declare the struct anyplace.
1220 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1221 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1222 #include <sys/time.h>
1225 #ifdef HAVE_SYS_TIME_H
1226 #include <sys/time.h>
1233 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1234 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1235 if test $emacs_cv_struct_utimbuf = yes; then
1236 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1239 dnl Check for speed_t typedef.
1240 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1241 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1242 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1243 if test $emacs_cv_speed_t = yes; then
1244 AC_DEFINE(HAVE_SPEED_T, 1,
1245 [Define to 1 if `speed_t' is declared by <termios.h>.])
1248 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1249 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1250 #include <sys/time.h>
1253 #ifdef HAVE_SYS_TIME_H
1254 #include <sys/time.h>
1258 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1259 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1260 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1261 if test $emacs_cv_struct_timeval = yes; then
1262 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1265 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1266 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1267 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1268 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1269 HAVE_EXCEPTION=$emacs_cv_struct_exception
1270 if test $emacs_cv_struct_exception != yes; then
1271 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1274 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1275 #if HAVE_SYS_SOCKET_H
1276 #include <sys/socket.h>
1279 dnl checks for structure members
1282 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1283 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1284 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1285 [#include <time.h>])
1286 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1287 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1288 struct ifreq.ifr_addr], , ,
1289 [AC_INCLUDES_DEFAULT
1290 #if HAVE_SYS_SOCKET_H
1291 #include <sys/socket.h>
1297 dnl checks for compiler characteristics
1299 dnl Testing __STDC__ to determine prototype support isn't good enough.
1300 dnl DEC C, for instance, doesn't define it with default options, and
1301 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1306 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1307 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1308 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1309 if test $emacs_cv_void_star = yes; then
1310 AC_DEFINE(POINTER_TYPE, void)
1312 AC_DEFINE(POINTER_TYPE, char)
1314 AH_TEMPLATE(POINTER_TYPE,
1315 [Define as `void' if your compiler accepts `void *'; otherwise
1316 define as `char'.])dnl
1318 dnl Check for endianess
1321 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1322 [emacs_cv_attribute_aligned],
1325 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1327 [emacs_cv_attribute_aligned=yes],
1328 [emacs_cv_attribute_aligned=no])])
1329 if test $emacs_cv_attribute_aligned = yes; then
1330 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1331 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1334 dnl check for Make feature
1340 dnl check for GNU Make if we have GCC and autodepend is on.
1341 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1342 AC_MSG_CHECKING([whether we are using GNU Make])
1344 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1345 if test "x$testval" != x; then
1348 ac_enable_autodepend=no
1350 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1351 if test $HAVE_GNU_MAKE = yes; then
1352 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1353 SAVE_CFLAGS="$CFLAGS"
1354 CFLAGS="$CFLAGS -MMD -MF deps.d"
1355 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1356 CFLAGS="$SAVE_CFLAGS"
1357 test -f deps.d || ac_enable_autodepend=no
1359 AC_MSG_RESULT([$ac_enable_autodepend])
1361 if test $ac_enable_autodepend = yes; then
1362 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1363 ## In parallel builds, another make might create depdir between
1364 ## the first test and mkdir, so stick another test on the end.
1365 ## Or use install-sh -d? mkdir -p is not portable.
1366 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1367 deps_frag=autodeps.mk
1370 deps_frag=$srcdir/src/$deps_frag
1373 AC_SUBST_FILE(deps_frag)
1376 lisp_frag=$srcdir/src/lisp.mk
1377 AC_SUBST_FILE(lisp_frag)
1380 dnl checks for operating system services
1381 AC_SYS_LONG_FILE_NAMES
1383 #### Choose a window system.
1386 if test "$no_x" = yes; then
1392 ## Workaround for bug in autoconf <= 2.62.
1393 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1394 ## No need to do anything special for these standard directories.
1395 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1397 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1401 LD_SWITCH_X_SITE_AUX=
1402 LD_SWITCH_X_SITE_AUX_RPATH=
1403 if test "${x_libraries}" != NONE; then
1404 if test -n "${x_libraries}"; then
1405 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1406 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1407 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1409 x_default_search_path=""
1410 x_search_path=${x_libraries}
1411 if test -z "${x_search_path}"; then
1412 x_search_path=/usr/lib
1414 for x_library in `echo ${x_search_path}: | \
1415 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1417 ${x_library}/X11/%L/%T/%N%C%S:\
1418 ${x_library}/X11/%l/%T/%N%C%S:\
1419 ${x_library}/X11/%T/%N%C%S:\
1420 ${x_library}/X11/%L/%T/%N%S:\
1421 ${x_library}/X11/%l/%T/%N%S:\
1422 ${x_library}/X11/%T/%N%S"
1423 if test x"${x_default_search_path}" = x; then
1424 x_default_search_path=${x_search_path}
1426 x_default_search_path="${x_search_path}:${x_default_search_path}"
1430 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1431 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1433 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1434 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1437 if test x"${x_includes}" = x; then
1438 bitmapdir=/usr/include/X11/bitmaps
1440 # accumulate include directories that have X11 bitmap subdirectories
1442 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1443 if test -d "${bmd}/X11/bitmaps"; then
1444 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1446 if test -d "${bmd}/bitmaps"; then
1447 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1450 if test ${bmd_acc} != "dummyval"; then
1451 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1458 tmp_CPPFLAGS="$CPPFLAGS"
1459 tmp_CFLAGS="$CFLAGS"
1460 CPPFLAGS="$CPPFLAGS -x objective-c"
1461 CFLAGS="$CFLAGS -x objective-c"
1462 TEMACS_LDFLAGS2="\${LDFLAGS}"
1463 dnl I don't think it's especially important, but src/Makefile.in
1464 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1465 dnl trailing "/" to it, so now we do it here.
1466 if test "${with_ns}" != no; then
1467 if test "${opsys}" = darwin; then
1469 ns_appdir=`pwd`/nextstep/Emacs.app
1470 ns_appbindir=${ns_appdir}/Contents/MacOS/
1471 ns_appresdir=${ns_appdir}/Contents/Resources
1472 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1473 elif test -f $GNUSTEP_CONFIG_FILE; then
1475 ns_appdir=`pwd`/nextstep/Emacs.app
1476 ns_appbindir=${ns_appdir}/
1477 ns_appresdir=${ns_appdir}/Resources
1478 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1479 dnl FIXME sourcing this several times in subshells seems inefficient.
1480 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1481 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1482 dnl I seemed to need these as well with GNUstep-startup 0.25.
1483 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1484 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1485 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1486 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1487 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1488 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1489 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1490 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1491 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1496 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1497 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1498 files are missing or cannot be compiled.])])
1499 NS_HAVE_NSINTEGER=yes
1500 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1502 ns_have_nsinteger=yes,
1503 ns_have_nsinteger=no)
1504 if test $ns_have_nsinteger = no; then
1505 NS_HAVE_NSINTEGER=no
1508 AC_SUBST(TEMACS_LDFLAGS2)
1513 if test "${HAVE_NS}" = yes; then
1514 window_system=nextstep
1516 # set up packaging dirs
1517 exec_prefix=${ns_appbindir}
1518 libexecdir=${ns_appbindir}/libexec
1519 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1520 prefix=${ns_appresdir}
1522 ns_frag=$srcdir/src/ns.mk
1523 NS_OBJ="fontset.o fringe.o image.o"
1524 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1526 CFLAGS="$tmp_CFLAGS"
1527 CPPFLAGS="$tmp_CPPFLAGS"
1529 AC_SUBST(NS_OBJC_OBJ)
1530 AC_SUBST(LIB_STANDARD)
1531 AC_SUBST_FILE(ns_frag)
1533 case "${window_system}" in
1537 case "${with_x_toolkit}" in
1538 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1539 motif ) USE_X_TOOLKIT=MOTIF ;;
1541 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1542 dnl USE_X_TOOLKIT is set.
1543 USE_X_TOOLKIT=none ;;
1544 gtk3 ) with_gtk3=yes
1545 USE_X_TOOLKIT=none ;;
1546 no ) USE_X_TOOLKIT=none ;;
1547 dnl If user did not say whether to use a toolkit, make this decision later:
1548 dnl use the toolkit if we have gtk, or X11R5 or newer.
1549 * ) USE_X_TOOLKIT=maybe ;;
1559 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1560 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1561 if test "$HAVE_XSERVER" = true ||
1562 test -n "$DISPLAY" ||
1563 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1564 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1565 were found. You should install the relevant development files for X
1566 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1567 sure you have development files for image handling, i.e.
1568 tiff, gif, jpeg, png and xpm.
1569 If you are sure you want Emacs compiled without X window support, pass
1575 ### If we're using X11, we should use the X menu package.
1578 yes ) HAVE_MENUS=yes ;;
1581 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1582 # Assume not, until told otherwise.
1585 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1586 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1587 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1588 emacs_cv_var___after_morecore_hook,
1589 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1590 emacs_cv_var___after_morecore_hook=yes,
1591 emacs_cv_var___after_morecore_hook=no)])
1592 if test $emacs_cv_var___after_morecore_hook = no; then
1597 dnl See comments in aix4-2.h about maybe using system malloc there.
1600 ## darwin ld insists on the use of malloc routines in the System framework.
1601 darwin|sol2-10) system_malloc=yes ;;
1604 if test "${system_malloc}" = "yes"; then
1605 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1608 (The GNU allocators don't work with this system configuration.)"
1612 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1613 VMLIMIT_OBJ=vm-limit.o
1615 AC_SUBST(GMALLOC_OBJ)
1616 AC_SUBST(VMLIMIT_OBJ)
1618 if test "$doug_lea_malloc" = "yes" ; then
1619 if test "$GNU_MALLOC" = yes ; then
1621 (Using Doug Lea's new malloc from the GNU C Library.)"
1623 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1624 [Define to 1 if you are using the GNU C Library.])
1626 ## Use mmap directly for allocating larger buffers.
1627 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1628 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1629 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1631 gnu*) REL_ALLOC=no ;;
1635 if test x"${REL_ALLOC}" = x; then
1636 REL_ALLOC=${GNU_MALLOC}
1639 use_mmap_for_buffers=no
1641 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1645 if test $use_mmap_for_buffers = yes; then
1646 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1650 LIBS="$LIBS_SYSTEM $LIBS"
1652 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1653 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1654 AC_CHECK_LIB(dnet, dnet_ntoa)
1655 dnl This causes -lresolv to get used in subsequent tests,
1656 dnl which causes failures on some systems such as HPUX 9.
1657 dnl AC_CHECK_LIB(resolv, gethostbyname)
1659 dnl FIXME replace main with a function we actually want from this library.
1660 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1662 AC_CHECK_LIB(pthreads, cma_open)
1664 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1665 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1666 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1667 ## added to LIBS in configure would never contain the pthreads part,
1668 ## but the value used in Makefiles might. FIXME?
1670 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1671 ## be harmless on older versions of X where it happens to exist.
1672 test "$opsys" = "aix4-2" && \
1673 test $ac_cv_lib_pthreads_cma_open = yes && \
1674 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1676 dnl Check for need for bigtoc support on IBM AIX
1680 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1682 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1683 *) gdb_cv_bigtoc=-bbigtoc ;;
1686 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1687 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1692 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1693 # used for the tests that follow. We set them back to REAL_CFLAGS and
1694 # REAL_CPPFLAGS later on.
1696 REAL_CFLAGS="$CFLAGS"
1697 REAL_CPPFLAGS="$CPPFLAGS"
1699 if test "${HAVE_X11}" = "yes"; then
1700 DEFS="$C_SWITCH_X_SITE $DEFS"
1701 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1703 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1704 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1706 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1707 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1708 # but it's more convenient here to set LD_RUN_PATH
1709 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1710 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1711 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1715 if test "${opsys}" = "gnu-linux"; then
1716 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1717 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1718 [[XOpenDisplay ("foo");]])],
1719 [xlinux_first_failure=no],
1720 [xlinux_first_failure=yes])
1721 if test "${xlinux_first_failure}" = "yes"; then
1722 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1723 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1724 OLD_CPPFLAGS="$CPPFLAGS"
1726 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1727 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1728 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1729 LIBS="$LIBS -b i486-linuxaout"
1730 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1731 [[XOpenDisplay ("foo");]])],
1732 [xlinux_second_failure=no],
1733 [xlinux_second_failure=yes])
1734 if test "${xlinux_second_failure}" = "yes"; then
1735 # If we get the same failure with -b, there is no use adding -b.
1736 # So take it out. This plays safe.
1737 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1738 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1739 CPPFLAGS="$OLD_CPPFLAGS"
1750 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1751 # header files included from there.
1752 AC_MSG_CHECKING(for Xkb)
1753 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1754 #include <X11/XKBlib.h>]],
1755 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1756 emacs_xkb=yes, emacs_xkb=no)
1757 AC_MSG_RESULT($emacs_xkb)
1758 if test $emacs_xkb = yes; then
1759 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1762 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1763 XScreenNumberOfScreen XSetWMProtocols)
1766 if test "${window_system}" = "x11"; then
1767 AC_MSG_CHECKING(X11 version 6)
1768 AC_CACHE_VAL(emacs_cv_x11_version_6,
1769 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1770 [[#if XlibSpecificationRelease < 6
1773 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1774 if test $emacs_cv_x11_version_6 = yes; then
1775 AC_MSG_RESULT(6 or newer)
1776 AC_DEFINE(HAVE_X11R6, 1,
1777 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1778 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1779 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1783 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1784 [Define if you have usable X11R6-style XIM support.])
1788 AC_MSG_RESULT(before 6)
1793 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1795 if test "${HAVE_X11}" = "yes" || test "${NS_IMPL_GNUSTEP}" = "yes"; then
1796 if test "${with_rsvg}" != "no"; then
1797 RSVG_REQUIRED=2.11.0
1798 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1800 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1801 AC_SUBST(RSVG_CFLAGS)
1804 if test $HAVE_RSVG = yes; then
1805 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1806 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1807 LIBS="$RSVG_LIBS $LIBS"
1813 if test "${HAVE_X11}" = "yes"; then
1814 if test "${with_imagemagick}" != "no"; then
1815 ## 6.2.8 is the earliest version known to work, but earlier versions
1816 ## might work - let us know if you find one.
1817 ## 6.0.7 does not work. See bug#7955.
1818 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1819 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1820 AC_SUBST(IMAGEMAGICK_CFLAGS)
1821 AC_SUBST(IMAGEMAGICK_LIBS)
1823 if test $HAVE_IMAGEMAGICK = yes; then
1824 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1825 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1826 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1827 AC_CHECK_FUNCS(MagickExportImagePixels)
1835 if test "${with_gtk3}" = "yes"; then
1838 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1840 dnl Checks for libraries.
1841 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1842 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1843 AC_MSG_ERROR($GTK_PKG_ERRORS)
1845 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1846 GTK_OBJ=emacsgtkfixed.o
1849 if test "$pkg_check_gtk" != "yes"; then
1851 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1854 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1856 dnl Checks for libraries.
1857 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1858 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1859 AC_MSG_ERROR($GTK_PKG_ERRORS)
1864 if test x"$pkg_check_gtk" = xyes; then
1866 AC_SUBST(GTK_CFLAGS)
1868 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1869 CFLAGS="$CFLAGS $GTK_CFLAGS"
1870 LIBS="$GTK_LIBS $LIBS"
1871 dnl Try to compile a simple GTK program.
1873 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1874 if test "${GTK_COMPILES}" != "yes"; then
1875 if test "$USE_X_TOOLKIT" != "maybe"; then
1876 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1880 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1881 GTK_OBJ="gtkutil.o $GTK_OBJ"
1883 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1886 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1887 closing open displays. This is no problem if you just use
1888 one display, but if you use more than one and close one of them
1898 if test "${HAVE_GTK}" = "yes"; then
1900 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1901 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1902 if test "$with_toolkit_scroll_bars" != no; then
1903 with_toolkit_scroll_bars=yes
1906 dnl Check if we have the old file selection dialog declared and
1907 dnl in the link library. In 2.x it may be in the library,
1908 dnl but not declared if deprecated featured has been selected out.
1909 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1910 HAVE_GTK_FILE_SELECTION=no
1911 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1912 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1913 #include <gtk/gtk.h>])
1914 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1915 AC_CHECK_FUNCS(gtk_file_selection_new)
1918 dnl Check if pthreads are available. Emacs only needs this when using
1919 dnl gtk_file_chooser under Gnome.
1920 HAVE_GTK_AND_PTHREAD=no
1921 AC_CHECK_HEADERS(pthread.h)
1922 if test "$ac_cv_header_pthread_h"; then
1923 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1925 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1926 case "${canonical}" in
1928 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1930 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1931 [Define to 1 if you have GTK and pthread (-lpthread).])
1934 dnl Check for functions introduced in 2.14 and later.
1935 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1936 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1937 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1938 gtk_orientable_set_orientation)
1942 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1943 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1944 dnl also not configured.
1947 if test "${with_dbus}" = "yes"; then
1948 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1949 if test "$HAVE_DBUS" = yes; then
1950 LIBS="$LIBS $DBUS_LIBS"
1951 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1952 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1958 dnl GConf has been tested under GNU/Linux only.
1959 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1961 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1962 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1963 if test "$HAVE_GCONF" = yes; then
1964 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1965 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1966 AC_CHECK_FUNCS([g_type_init])
1970 dnl SELinux is available for GNU/Linux only.
1973 if test "${with_selinux}" = "yes"; then
1974 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
1975 if test "$HAVE_LIBSELINUX" = yes; then
1976 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
1977 LIBSELINUX_LIBS=-lselinux
1980 AC_SUBST(LIBSELINUX_LIBS)
1983 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
1984 if test "${with_gnutls}" = "yes" ; then
1985 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.0], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
1986 if test "${HAVE_GNUTLS}" = "yes"; then
1987 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
1990 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
1991 LIBS="$LIBGNUTLS_LIBS $LIBS"
1992 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
1994 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
1995 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
1999 AC_SUBST(LIBGNUTLS_LIBS)
2000 AC_SUBST(LIBGNUTLS_CFLAGS)
2002 dnl Do not put whitespace before the #include statements below.
2003 dnl Older compilers (eg sunos4 cc) choke on it.
2006 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2007 if test "$with_xaw3d" != no; then
2008 AC_MSG_CHECKING(for xaw3d)
2009 AC_CACHE_VAL(emacs_cv_xaw3d,
2010 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2011 #include <X11/Intrinsic.h>
2012 #include <X11/Xaw3d/Simple.h>]],
2014 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2015 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2016 emacs_cv_xaw3d=no)])
2020 if test $emacs_cv_xaw3d = yes; then
2021 AC_MSG_RESULT([yes; using Lucid toolkit])
2025 AC_DEFINE(HAVE_XAW3D, 1,
2026 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2029 AC_MSG_CHECKING(for libXaw)
2030 AC_CACHE_VAL(emacs_cv_xaw,
2031 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2032 #include <X11/Intrinsic.h>
2033 #include <X11/Xaw/Simple.h>]],
2037 if test $emacs_cv_xaw = yes; then
2038 AC_MSG_RESULT([yes; using Lucid toolkit])
2041 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2042 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2044 AC_MSG_ERROR([No X toolkit could be found.
2045 If you are sure you want Emacs compiled without an X toolkit, pass
2047 to configure. Otherwise, install the development libraries for the toolkit
2048 that you want to use (e.g. Gtk+) and re-run configure.])
2053 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2056 if test "${USE_X_TOOLKIT}" != "none"; then
2057 AC_MSG_CHECKING(X11 toolkit version)
2058 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2059 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2060 [[#if XtSpecificationRelease < 6
2063 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2064 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2065 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2066 AC_MSG_RESULT(6 or newer)
2067 AC_DEFINE(HAVE_X11XTR6, 1,
2068 [Define to 1 if you have the X11R6 or newer version of Xt.])
2069 LIBXTR6="-lSM -lICE"
2071 ## Use libw.a along with X11R6 Xt.
2072 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2075 AC_MSG_RESULT(before 6)
2078 dnl If using toolkit, check whether libXmu.a exists.
2079 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2081 if test x$HAVE_X11XTR6 = xyes; then
2082 LIBS="-lXt -lSM -lICE $LIBS"
2086 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2087 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2091 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2092 dnl Why not just test for libxmu in the normal way?
2095 ## These systems don't supply Xmu.
2097 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2102 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2103 if test "${HAVE_X11}" = "yes"; then
2104 if test "${USE_X_TOOLKIT}" != "none"; then
2105 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2110 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2111 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2112 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2113 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2116 Motif version prior to 2.1.
2118 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2119 if test $emacs_cv_motif_version_2_1 = yes; then
2120 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2122 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2123 # We put this in CFLAGS temporarily to precede other -I options
2124 # that might be in CFLAGS temporarily.
2125 # We put this in CPPFLAGS where it precedes the other -I options.
2126 OLD_CPPFLAGS=$CPPFLAGS
2128 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2129 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2130 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2132 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2133 if test $emacs_cv_lesstif = yes; then
2134 # Make sure this -I option remains in CPPFLAGS after it is set
2135 # back to REAL_CPPFLAGS.
2136 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2137 # have those other -I options anyway. Ultimately, having this
2138 # directory ultimately in CPPFLAGS will be enough.
2139 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2140 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2143 CPPFLAGS=$OLD_CPPFLAGS
2148 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2149 dnl using Motif or Xaw3d is available, and unless
2150 dnl --with-toolkit-scroll-bars=no was specified.
2152 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2153 [Define to 1 if we should use toolkit scroll bars.])dnl
2154 USE_TOOLKIT_SCROLL_BARS=no
2155 if test "${with_toolkit_scroll_bars}" != "no"; then
2156 if test "${USE_X_TOOLKIT}" != "none"; then
2157 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2158 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2160 USE_TOOLKIT_SCROLL_BARS=yes
2161 elif test "${HAVE_XAW3D}" = "yes"; then
2162 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2163 USE_TOOLKIT_SCROLL_BARS=yes
2165 elif test "${HAVE_GTK}" = "yes"; then
2166 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2167 USE_TOOLKIT_SCROLL_BARS=yes
2168 elif test "${HAVE_NS}" = "yes"; then
2169 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2170 USE_TOOLKIT_SCROLL_BARS=yes
2174 dnl See if XIM is available.
2175 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2176 #include <X11/Xlib.h>
2177 #include <X11/Xresource.h>]],
2178 [[XIMProc callback;]])],
2180 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2183 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2185 if test "${with_xim}" != "no"; then
2186 AC_DEFINE(USE_XIM, 1,
2187 [Define to 1 if we should use XIM, if it is available.])
2191 if test "${HAVE_XIM}" != "no"; then
2193 if test "$GCC" = yes; then
2194 CFLAGS="$CFLAGS --pedantic-errors"
2196 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2197 #include <X11/Xlib.h>
2198 #include <X11/Xresource.h>]],
2204 XPointer *client_data;
2206 /* If we're not using GCC, it's probably not XFree86, and this is
2207 probably right, but we can't use something like --pedantic-errors. */
2208 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2209 char*, XIMProc, XPointer*);
2211 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2213 [emacs_cv_arg6_star=yes])
2214 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2215 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2216 either XPointer or XPointer*.])dnl
2217 if test "$emacs_cv_arg6_star" = yes; then
2218 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2220 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2225 ### Start of font-backend (under any platform) section.
2226 # (nothing here yet -- this is a placeholder)
2227 ### End of font-backend (under any platform) section.
2229 ### Start of font-backend (under X11) section.
2230 if test "${HAVE_X11}" = "yes"; then
2231 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2233 ## Use -lXft if available, unless `--with-xft=no'.
2235 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2238 if test "x${with_xft}" != "xno"; then
2240 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2241 ## Because xftfont.c uses XRenderQueryExtension, we also
2242 ## need to link to -lXrender.
2244 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2245 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2246 OLD_CPPFLAGS="$CPPFLAGS"
2247 OLD_CFLAGS="$CFLAGS"
2249 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2250 CFLAGS="$CFLAGS $XFT_CFLAGS"
2251 XFT_LIBS="-lXrender $XFT_LIBS"
2252 LIBS="$XFT_LIBS $LIBS"
2253 AC_CHECK_HEADER(X11/Xft/Xft.h,
2254 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2256 if test "${HAVE_XFT}" = "yes"; then
2257 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2259 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2261 CPPFLAGS="$OLD_CPPFLAGS"
2262 CFLAGS="$OLD_CFLAGS"
2264 fi # "${HAVE_XFT}" = "yes"
2265 fi # "$HAVE_XFT" != no
2266 fi # "x${with_xft}" != "xno"
2268 ## We used to allow building with FreeType and without Xft.
2269 ## However, the ftx font backend driver is not in good shape.
2270 if test "$HAVE_XFT" != "yes"; then
2271 dnl For the "Does Emacs use" message at the end.
2275 dnl Strict linkers fail with
2276 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2277 dnl if -lfreetype is not specified.
2278 dnl The following is needed to set FREETYPE_LIBS.
2279 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2282 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2286 if test "${HAVE_FREETYPE}" = "yes"; then
2287 AC_DEFINE(HAVE_FREETYPE, 1,
2288 [Define to 1 if using the freetype and fontconfig libraries.])
2289 if test "${with_libotf}" != "no"; then
2290 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2292 if test "$HAVE_LIBOTF" = "yes"; then
2293 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2294 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2295 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2296 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2297 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2298 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2299 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2303 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2304 dnl Does the new font backend require it, or can it work without it?
2308 if test "${HAVE_LIBOTF}" = yes; then
2309 if test "${with_m17n_flt}" != "no"; then
2310 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2311 if test "$HAVE_M17N_FLT" = "yes"; then
2312 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2323 ### End of font-backend (under X11) section.
2325 AC_SUBST(FREETYPE_CFLAGS)
2326 AC_SUBST(FREETYPE_LIBS)
2327 AC_SUBST(FONTCONFIG_CFLAGS)
2328 AC_SUBST(FONTCONFIG_LIBS)
2329 AC_SUBST(LIBOTF_CFLAGS)
2330 AC_SUBST(LIBOTF_LIBS)
2331 AC_SUBST(M17N_FLT_CFLAGS)
2332 AC_SUBST(M17N_FLT_LIBS)
2334 ### Use -lXpm if available, unless `--with-xpm=no'.
2337 if test "${HAVE_X11}" = "yes"; then
2338 if test "${with_xpm}" != "no"; then
2339 AC_CHECK_HEADER(X11/xpm.h,
2340 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2341 if test "${HAVE_XPM}" = "yes"; then
2342 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2343 AC_EGREP_CPP(no_return_alloc_pixels,
2344 [#include "X11/xpm.h"
2345 #ifndef XpmReturnAllocPixels
2346 no_return_alloc_pixels
2348 ], HAVE_XPM=no, HAVE_XPM=yes)
2350 if test "${HAVE_XPM}" = "yes"; then
2358 if test "${HAVE_XPM}" = "yes"; then
2359 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2365 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2368 if test "${HAVE_X11}" = "yes"; then
2369 if test "${with_jpeg}" != "no"; then
2370 dnl Checking for jpeglib.h can lose because of a redefinition of
2372 AC_CHECK_HEADER(jerror.h,
2373 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2376 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2377 if test "${HAVE_JPEG}" = "yes"; then
2378 AC_DEFINE(HAVE_JPEG)
2379 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2380 [#include <jpeglib.h>
2381 version=JPEG_LIB_VERSION
2383 [AC_DEFINE(HAVE_JPEG)],
2384 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2387 if test "${HAVE_JPEG}" = "yes"; then
2393 ### Use -lpng if available, unless `--with-png=no'.
2396 if test "${HAVE_X11}" = "yes"; then
2397 if test "${with_png}" != "no"; then
2398 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2399 # in /usr/include/libpng.
2400 AC_CHECK_HEADERS(png.h libpng/png.h)
2401 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2402 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2406 if test "${HAVE_PNG}" = "yes"; then
2407 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2408 LIBPNG="-lpng -lz -lm"
2413 ### Use -ltiff if available, unless `--with-tiff=no'.
2416 if test "${HAVE_X11}" = "yes"; then
2417 if test "${with_tiff}" != "no"; then
2418 AC_CHECK_HEADER(tiffio.h,
2420 # At least one tiff package requires the jpeg library.
2421 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2422 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2425 if test "${HAVE_TIFF}" = "yes"; then
2426 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2427 dnl FIXME -lz -lm, as per libpng?
2433 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2436 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2437 AC_CHECK_HEADER(gif_lib.h,
2438 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2439 # Earlier versions can crash Emacs.
2440 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2442 if test "$HAVE_GIF" = yes; then
2444 elif test "$HAVE_GIF" = maybe; then
2445 # If gif_lib.h but no libgif, try libungif.
2446 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2447 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2450 if test "${HAVE_GIF}" = "yes"; then
2451 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2456 dnl Check for required libraries.
2457 if test "${HAVE_X11}" = "yes"; then
2460 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2461 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2462 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2463 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2464 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2465 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2466 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2467 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2468 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2469 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2471 if test "X${MISSING}" != X; then
2472 AC_MSG_ERROR([The following required libraries were not found:
2474 Maybe some development libraries/packages are missing?
2475 If you don't want to link with them give
2477 as options to configure])
2481 ### Use -lgpm if available, unless `--with-gpm=no'.
2484 if test "${with_gpm}" != "no"; then
2485 AC_CHECK_HEADER(gpm.h,
2486 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2488 if test "${HAVE_GPM}" = "yes"; then
2489 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2495 dnl Check for malloc/malloc.h on darwin
2496 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.])])
2499 ### Use NeXTstep API to implement GUI.
2500 if test "${HAVE_NS}" = "yes"; then
2501 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2502 if test "${NS_IMPL_COCOA}" = "yes"; then
2503 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2506 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2507 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2508 # See also .m.o rule in Makefile.in */
2509 # FIXME: are all these flags really needed? Document here why. */
2510 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2511 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2513 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2514 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2516 # We also have mouse menus.
2522 ### Use session management (-lSM -lICE) if available
2525 if test "${HAVE_X11}" = "yes"; then
2526 AC_CHECK_HEADER(X11/SM/SMlib.h,
2527 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2529 if test "${HAVE_X_SM}" = "yes"; then
2530 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2534 *) LIBS="$LIBXSM $LIBS" ;;
2540 ### Use libxml (-lxml2) if available
2541 if test "${with_xml2}" != "no"; then
2542 ### I'm not sure what the version number should be, so I just guessed.
2543 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2544 if test "${HAVE_LIBXML2}" = "yes"; then
2545 LIBS="$LIBXML2_LIBS $LIBS"
2546 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2547 if test "${HAVE_LIBXML2}" = "yes"; then
2548 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2555 AC_SUBST(LIBXML2_LIBS)
2556 AC_SUBST(LIBXML2_CFLAGS)
2558 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2559 AC_CACHE_CHECK(whether netdb declares h_errno,
2560 emacs_cv_netdb_declares_h_errno,
2561 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2562 [[return h_errno;]])],
2563 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2564 if test $emacs_cv_netdb_declares_h_errno = yes; then
2565 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2570 dnl src/alloca.c has been removed. Could also check if $ALLOCA is set?
2571 dnl FIXME is there an autoconf test that does the right thing, without
2572 dnl needing to call A_M_E afterwards?
2573 if test x"$ac_cv_func_alloca_works" != xyes; then
2574 AC_MSG_ERROR( [a system implementation of alloca is required] )
2577 # fmod, logb, and frexp are found in -lm on most systems.
2578 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2579 AC_CHECK_LIB(m, sqrt)
2581 # Check for mail-locking functions in a "mail" library. Probably this should
2582 # have the same check as for liblockfile below.
2583 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2584 if test $have_mail = yes; then
2586 LIBS="$LIBS_MAIL $LIBS"
2587 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2591 dnl Debian, at least:
2592 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2593 if test $have_lockfile = yes; then
2594 LIBS_MAIL=-llockfile
2595 LIBS="$LIBS_MAIL $LIBS"
2596 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2598 # If we have the shared liblockfile, assume we must use it for mail
2599 # locking (e.g. Debian). If we couldn't link against liblockfile
2600 # (no liblockfile.a installed), ensure that we don't need to.
2601 dnl This works for files generally, not just executables.
2602 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2603 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2604 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2605 if test $ac_cv_prog_liblockfile = yes; then
2606 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2607 This probably means that movemail could lose mail.
2608 There may be a `development' package to install containing liblockfile.])
2611 AC_CHECK_FUNCS(touchlock)
2612 AC_CHECK_HEADERS(maillock.h)
2615 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2616 ## interlock access to the mail spool. The alternative is a lock file named
2617 ## /usr/spool/mail/$USER.lock.
2620 aix4-2) mail_lock="lockf" ;;
2622 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2624 ## On GNU/Linux systems, both methods are used by various mail programs.
2625 ## I assume most people are using newer mailers that have heard of flock.
2626 ## Change this if you need to.
2627 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2628 ## configure gets the right answers, and that means *NOT* using flock.
2629 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2630 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2631 ## Debian maintainer hasn't provided a clean fix for Emacs.
2632 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2633 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2634 ## correct logic. -- fx
2635 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2636 ## liblockfile is a Free Software replacement for libmail, used on
2637 ## Debian systems and elsewhere. -rfr.
2640 if test $have_mail = yes || test $have_lockfile = yes; then
2641 test $ac_cv_header_maillock_h = yes && mail_lock=no
2647 case "$mail_lock" in
2648 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2650 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2652 *) BLESSMAIL_TARGET="need-blessmail" ;;
2654 AC_SUBST(BLESSMAIL_TARGET)
2657 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2658 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2659 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2660 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2661 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2662 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm strchr strrchr \
2663 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2664 gai_strerror mkstemp getline getdelim mremap memmove fsync sync \
2665 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2666 cfmakeraw cfsetspeed isnan copysign __executable_start)
2668 dnl Cannot use AC_CHECK_FUNCS
2669 AC_CACHE_CHECK([for __builtin_unwind_init],
2670 emacs_cv_func___builtin_unwind_init,
2671 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2672 emacs_cv_func___builtin_unwind_init=yes,
2673 emacs_cv_func___builtin_unwind_init=no)])
2674 if test $emacs_cv_func___builtin_unwind_init = yes; then
2675 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2676 [Define to 1 if you have the `__builtin_unwind_init' function.])
2679 AC_CHECK_HEADERS(sys/un.h)
2686 gl_ASSERT_NO_GNULIB_POSIXCHECK
2687 gl_ASSERT_NO_GNULIB_TESTS
2691 AC_CHECK_FUNCS(grantpt)
2693 # PTY-related GNU extensions.
2694 AC_CHECK_FUNCS(getpt)
2696 # Check this now, so that we will NOT find the above functions in ncurses.
2697 # That is because we have not set up to link ncurses in lib-src.
2698 # It's better to believe a function is not available
2699 # than to expect to find it in ncurses.
2700 # Also we need tputs and friends to be able to build at all.
2701 have_tputs_et_al=true
2702 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2703 if test "$have_tputs_et_al" != true; then
2704 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2705 Maybe some development libraries/packages are missing? Try installing
2706 libncurses-dev(el), libterminfo-dev(el) or similar.])
2708 # Must define this when any termcap library is found.
2709 AC_DEFINE(HAVE_LIBNCURSES, 1,
2710 [Define to 1 if you have the `ncurses' library (-lncurses).])
2711 ## FIXME This was the cpp logic, but I am not sure it is right.
2712 ## The above test has not necessarily found libncurses.
2715 ## Use terminfo instead of termcap?
2716 ## Note only system files NOT using terminfo are:
2717 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2718 ## darwin|gnu without ncurses.
2722 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2723 ## hpux10-20: Use the system provided termcap(3) library.
2724 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2725 ## is necessary. Otherwise Emacs dumps core when run -nw.
2726 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2728 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2729 ## The ncurses library has been moved out of the System framework in
2730 ## Mac OS X 10.2. So if configure detects it, set the command-line
2731 ## option to use it.
2733 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2734 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2736 LIBS_TERMCAP="-lncurses"
2741 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2742 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2743 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2744 [[#if __FreeBSD_version < 400000
2747 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2749 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2751 if test $emacs_cv_freebsd_terminfo = yes; then
2753 LIBS_TERMCAP="-lncurses"
2755 LIBS_TERMCAP="-ltermcap"
2760 if test $ac_cv_search_tputs = -lterminfo; then
2762 LIBS_TERMCAP="-lterminfo"
2764 LIBS_TERMCAP="-ltermcap"
2771 ## hpux: Make sure we get select from libc rather than from libcurses
2772 ## because libcurses on HPUX 10.10 has a broken version of select.
2773 ## We used to use -lc -lcurses, but this may be cleaner.
2774 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2776 openbsd) LIBS_TERMCAP="-lncurses" ;;
2778 ## Must use system termcap, if we use any termcap. It does special things.
2779 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2782 TERMCAP_OBJ=tparam.o
2783 if test $TERMINFO = yes; then
2784 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2786 ## Default used to be -ltermcap. Add a case above if need something else.
2787 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2789 TERMCAP_OBJ=terminfo.o
2791 AC_SUBST(LIBS_TERMCAP)
2792 AC_SUBST(TERMCAP_OBJ)
2795 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2797 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2798 #include <arpa/nameser.h>
2799 #include <resolv.h>]],
2800 [[return res_init();]])],
2801 have_res_init=yes, have_res_init=no)
2802 if test "$have_res_init" = no; then
2804 LIBS="$LIBS -lresolv"
2805 AC_MSG_CHECKING(for res_init with -lresolv)
2806 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2807 #include <arpa/nameser.h>
2808 #include <resolv.h>]],
2809 [[return res_init();]])],
2810 have_res_init=yes, have_res_init=no)
2811 AC_MSG_RESULT($have_res_init)
2812 if test "$have_res_init" = yes ; then
2818 if test "$have_res_init" = yes; then
2819 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2822 # Do we need the Hesiod library to provide the support routines?
2824 if test "$with_hesiod" != no ; then
2825 # Don't set $LIBS here -- see comments above. FIXME which comments?
2826 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2827 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2828 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2829 if test "$resolv" = yes ; then
2834 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2835 hesiod=yes, :, $RESOLVLIB)])
2837 if test x"$hesiod" = xyes; then
2838 AC_DEFINE(HAVE_LIBHESIOD, 1,
2839 [Define to 1 if you have the hesiod library (-lhesiod).])
2845 # Do we need libresolv (due to res_init or Hesiod)?
2846 if test "$resolv" = yes ; then
2847 AC_DEFINE(HAVE_LIBRESOLV, 1,
2848 [Define to 1 if you have the resolv library (-lresolv).])
2855 # These tell us which Kerberos-related libraries to use.
2862 if test "${with_kerberos}" != no; then
2863 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2864 if test $have_com_err = yes; then
2865 COM_ERRLIB=-lcom_err
2866 LIBS="$COM_ERRLIB $LIBS"
2867 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2869 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2870 if test $have_crypto = yes; then
2872 LIBS="$CRYPTOLIB $LIBS"
2873 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2875 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2876 if test $have_k5crypto = yes; then
2877 CRYPTOLIB=-lk5crypto
2878 LIBS="$CRYPTOLIB $LIBS"
2879 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2881 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2882 if test $have_krb5=yes; then
2884 LIBS="$KRB5LIB $LIBS"
2885 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2887 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2888 if test "${with_kerberos5}" = no; then
2889 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2890 if test $have_des425 = yes; then
2892 LIBS="$DESLIB $LIBS"
2893 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2895 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2896 if test $have_des = yes; then
2898 LIBS="$DESLIB $LIBS"
2899 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2902 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2903 if test $have_krb4 = yes; then
2905 LIBS="$KRB4LIB $LIBS"
2906 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2908 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2909 if test $have_krb = yes; then
2911 LIBS="$KRB4LIB $LIBS"
2912 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2917 if test "${with_kerberos5}" != no; then
2918 AC_CHECK_HEADERS(krb5.h,
2919 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2920 [#include <krb5.h>])])
2922 AC_CHECK_HEADERS(des.h,,
2923 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2924 [AC_CHECK_HEADERS(kerberos/des.h)])])
2925 AC_CHECK_HEADERS(krb.h,,
2926 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2927 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2929 AC_CHECK_HEADERS(com_err.h)
2932 AC_SUBST(COM_ERRLIB)
2938 # Solaris requires -lintl if you want strerror (which calls dgettext)
2939 # to return localized messages.
2940 AC_CHECK_LIB(intl, dgettext)
2942 AC_MSG_CHECKING(whether localtime caches TZ)
2943 AC_CACHE_VAL(emacs_cv_localtime_cache,
2944 [if test x$ac_cv_func_tzset = xyes; then
2945 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2946 char TZ_GMT0[] = "TZ=GMT0";
2947 char TZ_PST8[] = "TZ=PST8";
2950 time_t now = time ((time_t *) 0);
2951 int hour_GMT0, hour_unset;
2952 if (putenv (TZ_GMT0) != 0)
2954 hour_GMT0 = localtime (&now)->tm_hour;
2956 hour_unset = localtime (&now)->tm_hour;
2957 if (putenv (TZ_PST8) != 0)
2959 if (localtime (&now)->tm_hour == hour_GMT0)
2962 if (localtime (&now)->tm_hour != hour_unset)
2965 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2966 [# If we have tzset, assume the worst when cross-compiling.
2967 emacs_cv_localtime_cache=yes])
2969 # If we lack tzset, report that localtime does not cache TZ,
2970 # since we can't invalidate the cache if we don't have tzset.
2971 emacs_cv_localtime_cache=no
2973 AC_MSG_RESULT($emacs_cv_localtime_cache)
2974 if test $emacs_cv_localtime_cache = yes; then
2975 AC_DEFINE(LOCALTIME_CACHE, 1,
2976 [Define to 1 if localtime caches TZ.])
2979 if test "x$HAVE_TIMEVAL" = xyes; then
2980 AC_CHECK_FUNCS(gettimeofday)
2981 if test $ac_cv_func_gettimeofday = yes; then
2982 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2983 emacs_cv_gettimeofday_two_arguments,
2984 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2985 #ifdef TIME_WITH_SYS_TIME
2986 #include <sys/time.h>
2989 #ifdef HAVE_SYS_TIME_H
2990 #include <sys/time.h>
2995 [[struct timeval time;
2996 gettimeofday (&time, 0);]])],
2997 emacs_cv_gettimeofday_two_arguments=yes,
2998 emacs_cv_gettimeofday_two_arguments=no)])
2999 if test $emacs_cv_gettimeofday_two_arguments = no; then
3000 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3001 [Define to 1 if gettimeofday accepts only one argument.])
3007 AC_CHECK_FUNC(socket, , ok_so_far=no)
3008 if test $ok_so_far = yes; then
3009 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3011 if test $ok_so_far = yes; then
3012 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3014 if test $ok_so_far = yes; then
3015 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3016 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3017 [Define to 1 if you have inet sockets.])
3020 if test -f /usr/lpp/X11/bin/smt.exp; then
3021 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3022 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3025 AC_MSG_CHECKING(whether system supports dynamic ptys)
3026 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3028 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3035 dnl Adapted from Haible's version.
3036 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3037 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3038 [[char* cs = nl_langinfo(CODESET);]])],
3039 emacs_cv_langinfo_codeset=yes,
3040 emacs_cv_langinfo_codeset=no)
3042 if test $emacs_cv_langinfo_codeset = yes; then
3043 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3044 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3049 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3050 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3051 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3052 if test "$emacs_cv_c_restrict_arr" = yes; then
3053 AC_DEFINE(__restrict_arr, __restrict,
3054 [Define to compiler's equivalent of C99 restrict keyword in array
3055 declarations. Define as empty for no equivalent.])
3058 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3059 dnl how the tty code is related to POSIX and/or other versions of termios.
3060 dnl The following looks like a useful start.
3062 dnl AC_SYS_POSIX_TERMIOS
3063 dnl if test $ac_cv_sys_posix_termios = yes; then
3064 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3065 dnl and macros for terminal control.])
3066 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3069 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
3071 # Set up the CFLAGS for real compilation, so we can substitute it.
3072 CFLAGS="$REAL_CFLAGS"
3073 CPPFLAGS="$REAL_CPPFLAGS"
3075 ## Hack to detect a buggy GCC version.
3076 if test "x$GCC" = xyes \
3077 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3078 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3079 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3080 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3083 version=$PACKAGE_VERSION
3085 ### Specify what sort of things we'll be editing into Makefile and config.h.
3086 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3088 AC_SUBST(configuration)
3093 AC_SUBST(exec_prefix)
3096 AC_SUBST(sharedstatedir)
3097 AC_SUBST(libexecdir)
3101 AC_SUBST(locallisppath)
3103 AC_SUBST(x_default_search_path)
3105 AC_SUBST(archlibdir)
3110 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3111 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3112 ## end of LIBX_BASE, but nothing ever set it.
3113 AC_SUBST(LD_SWITCH_X_SITE)
3114 AC_SUBST(C_SWITCH_X_SITE)
3115 AC_SUBST(C_SWITCH_X_SYSTEM)
3117 ## Used in lwlib/Makefile.in.
3118 AC_SUBST(X_TOOLKIT_TYPE)
3119 if test -n "${machfile}"; then
3120 M_FILE="\$(srcdir)/${machfile}"
3124 S_FILE="\$(srcdir)/${opsysfile}"
3128 AC_SUBST(ns_appbindir)
3129 AC_SUBST(ns_appresdir)
3131 AC_SUBST(GNU_OBJC_CFLAGS)
3132 AC_SUBST(OTHER_FILES)
3134 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3135 [Define to the canonical Emacs configuration name.])
3136 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3137 [Define to the options passed to configure.])
3138 if test -n "$machfile"; then
3139 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3140 [Define to the used machine dependent file.])
3142 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3143 [Define to the used os dependent file.])
3148 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3149 AC_DEFINE(HAVE_X_WINDOWS, 1,
3150 [Define to 1 if you want to use the X window system.])
3152 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3154 if test "$HAVE_XFT" = "yes"; then
3155 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3156 elif test "$HAVE_FREETYPE" = "yes"; then
3157 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3167 if test "${USE_X_TOOLKIT}" != "none" ; then
3169 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3170 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3171 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3172 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3173 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3177 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3178 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3182 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3183 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3184 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3188 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3189 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3192 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3195 AC_SUBST(WIDGET_OBJ)
3198 case "$USE_X_TOOLKIT" in
3199 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3200 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3201 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3203 AC_SUBST(TOOLKIT_LIBW)
3205 if test "$USE_X_TOOLKIT" = "none"; then
3206 LIBXT_OTHER="\$(LIBXSM)"
3207 OLDXMENU_TARGET="really-oldXMenu"
3209 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3210 OLDXMENU_TARGET="really-lwlib"
3212 AC_SUBST(LIBXT_OTHER)
3214 ## The X Menu stuff is present in the X10 distribution, but missing
3215 ## from X11. If we have X10, just use the installed library;
3216 ## otherwise, use our own copy.
3217 if test "${HAVE_X11}" = "yes" ; then
3218 AC_DEFINE(HAVE_X11, 1,
3219 [Define to 1 if you want to use version 11 of X windows.
3220 Otherwise, Emacs expects to use version 10.])
3222 if test "$USE_X_TOOLKIT" = "none"; then
3223 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3225 OLDXMENU="\${lwlibdir}/liblw.a"
3227 LIBXMENU="\$(OLDXMENU)"
3228 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3229 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3231 ## For a syntactically valid Makefile; not actually used for anything.
3232 ## See comments in src/Makefile.in.
3234 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3235 if test "${HAVE_X_WINDOWS}" = "yes"; then
3244 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3251 AC_SUBST(OLDXMENU_TARGET)
3254 AC_SUBST(LIBX_OTHER)
3255 AC_SUBST(OLDXMENU_DEPS)
3257 if test "${HAVE_MENUS}" = "yes" ; then
3258 AC_DEFINE(HAVE_MENUS, 1,
3259 [Define to 1 if you have mouse menus.
3260 (This is automatic if you use X, but the option to specify it remains.)
3261 It is also defined with other window systems that support xmenu.c.])
3264 if test "${GNU_MALLOC}" = "yes" ; then
3265 AC_DEFINE(GNU_MALLOC, 1,
3266 [Define to 1 if you want to use the GNU memory allocator.])
3270 if test "${REL_ALLOC}" = "yes" ; then
3271 AC_DEFINE(REL_ALLOC, 1,
3272 [Define REL_ALLOC if you want to use the relocating allocator for
3275 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3277 AC_SUBST(RALLOC_OBJ)
3279 if test "$opsys" = "cygwin"; then
3280 CYGWIN_OBJ="sheap.o"
3281 ## Cygwin differs because of its unexec().
3283 POST_ALLOC_OBJ=lastfile.o
3286 PRE_ALLOC_OBJ=lastfile.o
3289 AC_SUBST(CYGWIN_OBJ)
3290 AC_SUBST(PRE_ALLOC_OBJ)
3291 AC_SUBST(POST_ALLOC_OBJ)
3295 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3298 ## The -headerpad option tells ld (see man page) to leave room at the
3299 ## end of the header for adding load commands. Needed for dumping.
3300 ## 0x690 is the total size of 30 segment load commands (at 56
3301 ## each); under Cocoa 31 commands are required.
3302 if test "$HAVE_NS" = "yes"; then
3303 libs_nsgui="-framework AppKit"
3309 LD_SWITCH_SYSTEM_TEMACS="-prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3311 ## This is here because src/Makefile.in did some extra fiddling around
3312 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3313 ## #ifndef LD_SWITCH_SYSTEM
3314 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3315 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3316 ## not using gcc, darwin system not on an alpha (ie darwin, since
3317 ## darwin + alpha does not occur).
3318 ## Because this was done in src/Makefile.in, the resulting part of
3319 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3320 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3321 ## rather than LD_SWITCH_SYSTEM.
3322 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3323 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3326 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3327 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3328 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3329 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3330 ## had different values in configure (in ac_link) and src/Makefile.in.
3331 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3332 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3334 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3337 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3338 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3341 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3347 ## gnu: GNU needs its own crt0.
3348 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3350 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3351 ## library search parth, i.e. it won't search /usr/lib for libc and
3352 ## friends. Using -nostartfiles instead avoids this problem, and
3353 ## will also work on earlier NetBSD releases.
3354 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3356 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3357 ## MkLinux/LinuxPPC needs this.
3358 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3361 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3367 if test "x$ORDINARY_LINK" = "xyes"; then
3370 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3372 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3373 ## freebsd, gnu-* not on macppc|ibms390x.
3374 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3376 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3377 ## places that are difficult to figure out at make time. Fortunately,
3378 ## these same versions allow you to pass arbitrary flags on to the
3379 ## linker, so there is no reason not to use it as a linker.
3381 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3382 ## searching for libraries in its internal directories, so we have to
3383 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3384 LD_FIRSTFLAG="-nostdlib"
3387 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3388 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3390 AC_SUBST(LD_FIRSTFLAG)
3393 ## FIXME? The logic here is not precisely the same as that above.
3394 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3395 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3397 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3400 freebsd|netbsd|openbsd) LIB_GCC= ;;
3403 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3404 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3410 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3411 ## immediately undefine it again and redefine it to empty.
3412 ## Was the C_SWITCH_X_SITE part really necessary?
3413 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3419 ## Ask GCC where to find libgcc.a.
3420 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3426 ## If we're using X11/GNUstep, define some consequences.
3427 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3428 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3429 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3433 AH_TOP([/* GNU Emacs site configuration template file.
3435 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3436 Free Software Foundation, Inc.
3438 This file is part of GNU Emacs.
3440 GNU Emacs is free software: you can redistribute it and/or modify
3441 it under the terms of the GNU General Public License as published by
3442 the Free Software Foundation, either version 3 of the License, or
3443 (at your option) any later version.
3445 GNU Emacs is distributed in the hope that it will be useful,
3446 but WITHOUT ANY WARRANTY; without even the implied warranty of
3447 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3448 GNU General Public License for more details.
3450 You should have received a copy of the GNU General Public License
3451 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3454 /* No code in Emacs #includes config.h twice, but some bits of code
3455 intended to work with other packages as well (like gmalloc.c)
3456 think they can include it as many times as they like. */
3457 #ifndef EMACS_CONFIG_H
3458 #define EMACS_CONFIG_H
3462 /* Define AMPERSAND_FULL_NAME if you use the convention
3463 that & in the full name stands for the login id. */
3464 /* Turned on June 1996 supposing nobody will mind it. */
3465 #define AMPERSAND_FULL_NAME
3467 /* `subprocesses' should be defined if you want to
3468 have code for asynchronous subprocesses
3469 (as used in M-x compile and M-x shell).
3470 Only MSDOS does not support this (it overrides
3471 this in its config_opsysfile below). */
3473 #define subprocesses
3475 /* Include the os and machine dependent files. */
3476 #include config_opsysfile
3477 #ifdef config_machfile
3478 # include config_machfile
3481 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3482 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3483 (There is probably a better place to do this, but right now the
3484 Cocoa side does this in s/darwin.h and we cannot parallel this
3485 exactly since GNUstep is multi-OS. */
3486 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3487 # define SYSTEM_PURESIZE_EXTRA 30000
3490 #ifdef emacs /* Don't do this for lib-src. */
3491 /* Tell regex.c to use a type compatible with Emacs. */
3492 #define RE_TRANSLATE_TYPE Lisp_Object
3493 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3495 /* If make_number is a macro, use it. */
3496 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3498 /* If make_number is a function, avoid it. */
3499 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3503 /* These default definitions are good for almost all machines.
3504 Any exceptions should override them in m/MACHINE.h.
3505 They must be usable in preprocessor conditionals. */
3507 #ifndef BITS_PER_CHAR
3508 #define BITS_PER_CHAR 8
3511 #ifndef BITS_PER_SHORT
3512 #define BITS_PER_SHORT 16
3515 #ifndef BITS_PER_INT
3516 #define BITS_PER_INT 32
3519 #ifndef BITS_PER_LONG
3521 #define BITS_PER_LONG 64
3523 #define BITS_PER_LONG 32
3527 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3528 #define BITS_PER_LONG_LONG 64
3531 /* Define if the compiler supports function prototypes. It may do so but
3532 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3538 #ifdef HAVE_ALLOCA_H
3539 # include <alloca.h>
3540 #elif defined __GNUC__
3541 # define alloca __builtin_alloca
3543 # define alloca __alloca
3545 # include <stddef.h>
3549 void *alloca (size_t);
3553 #define strchr(a, b) index (a, b)
3556 #ifndef HAVE_STRRCHR
3557 #define strrchr(a, b) rindex (a, b)
3560 #if defined __GNUC__ && (__GNUC__ > 2 \
3561 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3562 #define NO_RETURN __attribute__ ((__noreturn__))
3564 #define NO_RETURN /* nothing */
3567 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3568 #define NO_INLINE __attribute__((noinline))
3573 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3574 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3576 #define EXTERNALLY_VISIBLE
3579 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3580 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3582 # define ATTRIBUTE_FORMAT(spec) /* empty */
3585 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3586 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3587 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3589 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3590 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3593 /* Some versions of GNU/Linux define noinline in their headers. */
3598 /* These won't be used automatically yet. We also need to know, at least,
3599 that the stack is continuous. */
3601 # ifndef GC_SETJMP_WORKS
3602 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3603 # define GC_SETJMP_WORKS 1
3605 # ifndef GC_LISP_OBJECT_ALIGNMENT
3606 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3610 #endif /* EMACS_CONFIG_H */
3619 #### Report on what we decided to do.
3620 #### Report GTK as a toolkit, even if it doesn't use Xt.
3621 #### It makes printing result more understandable as using GTK sets
3622 #### toolkit_scroll_bars to yes by default.
3623 if test "${HAVE_GTK}" = "yes"; then
3628 if test -n "$machfile"; then
3629 and_machfile=" and \`${machfile}'"
3633 Configured for \`${canonical}'.
3635 Where should the build process find the source code? ${srcdir}
3636 What operating system and machine description files should Emacs use?
3637 \`${opsysfile}'${and_machfile}
3638 What compiler should emacs be built with? ${CC} ${CFLAGS}
3639 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3640 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3641 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3642 What window system should Emacs use? ${window_system}
3643 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3645 if test -n "${x_includes}"; then
3646 echo " Where do we find X Windows header files? ${x_includes}"
3648 echo " Where do we find X Windows header files? Standard dirs"
3650 if test -n "${x_libraries}"; then
3651 echo " Where do we find X Windows libraries? ${x_libraries}"
3653 echo " Where do we find X Windows libraries? Standard dirs"
3656 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3657 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3658 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3659 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3660 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3661 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3662 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3663 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3665 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3666 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3667 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3668 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3669 echo " Does Emacs use -lgnutls (2.6.x or higher)? ${HAVE_GNUTLS}"
3670 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3672 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3673 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3674 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3675 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3677 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3680 if test $USE_XASSERTS = yes; then
3681 echo " Compiling with asserts turned on."
3682 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3687 if test "$HAVE_NS" = "yes"; then
3689 echo "You must run \"make install\" in order to test the built application.
3690 The installed application will go to nextstep/Emacs.app and can be
3691 run or moved from there."
3692 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3693 echo "The application will be fully self-contained."
3695 echo "The lisp resources for the application will be installed under ${prefix}.
3696 You may need to run \"make install\" with sudo. The application will fail
3697 to run if these resources are not installed."
3703 # Remove any trailing slashes in these variables.
3704 [test "${prefix}" != NONE &&
3705 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3706 test "${exec_prefix}" != NONE &&
3707 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3709 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3710 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3711 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3712 dnl (else you get "no `Makefile.am' found for any configure output").
3713 dnl This will work, but you get a config.status that is not quite right
3714 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3715 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3716 dnl it seems better to just live with the duplication.
3717 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile"
3719 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3720 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3721 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3724 dnl test/ is not present in release tarfiles.
3725 opt_makefile=test/automated/Makefile
3727 if test -f $srcdir/${opt_makefile}.in; then
3728 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3729 dnl Again, it's best not to use a variable. Though you can add
3730 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3731 AC_CONFIG_FILES([test/automated/Makefile])
3734 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3736 AC_SUBST(SUBDIR_MAKEFILES_IN)
3738 dnl Make the necessary directories, if they don't exist.
3739 AC_CONFIG_COMMANDS([mkdirs], [
3740 for dir in etc lisp ; do
3741 test -d ${dir} || mkdir ${dir}
3745 dnl You might wonder (I did) why epaths.h is generated by running make,
3746 dnl rather than just letting configure generate it from epaths.in.
3747 dnl One reason is that the various paths are not fully expanded (see above);
3748 dnl eg gamedir=${prefix}/var/games/emacs.
3749 dnl Secondly, the GNU Coding standards require that one should be able
3750 dnl to run `make prefix=/some/where/else' and override the values set
3751 dnl by configure. This also explains the `move-if-change' test and
3752 dnl the use of force in the `epaths-force' rule in Makefile.in.
3753 AC_CONFIG_COMMANDS([epaths], [
3754 echo creating src/epaths.h
3755 ${MAKE-make} epaths-force
3756 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3758 AC_CONFIG_COMMANDS([gdbinit], [
3759 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3760 echo creating src/.gdbinit
3761 echo source $srcdir/src/.gdbinit > src/.gdbinit
3767 dnl configure.in ends here