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)
28 AC_CONFIG_AUX_DIR(build-aux)
31 dnl Support for --program-prefix, --program-suffix and
32 dnl --program-transform-name options
35 dnl It is important that variables on the RHS not be expanded here,
36 dnl hence the single quotes. This is per the GNU coding standards, see
37 dnl (autoconf) Installation Directory Variables
38 dnl See also epaths.h below.
39 lispdir='${datadir}/emacs/${version}/lisp'
40 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
41 '${datadir}/emacs/site-lisp'
42 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
43 etcdir='${datadir}/emacs/${version}/etc'
44 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
45 docdir='${datadir}/emacs/${version}/etc'
46 gamedir='${localstatedir}/games/emacs'
48 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
49 dnl Create a new --with option that defaults to being disabled.
50 dnl NAME is the base name of the option. The shell variable with_NAME
51 dnl will be set to either the user's value (if the option is
52 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
53 dnl option is not specified). Note that the shell variable name is
54 dnl constructed as autoconf does, by replacing non-alphanumeric
55 dnl characters with "_".
56 dnl HELP-STRING is the help text for the option.
57 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
58 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
59 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
62 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
63 dnl Create a new --with option that defaults to being enabled. NAME
64 dnl is the base name of the option. The shell variable with_NAME
65 dnl will be set either to 'no' (for a plain --without-NAME) or to
66 dnl 'yes' (if the option is not specified). Note that the shell
67 dnl variable name is constructed as autoconf does, by replacing
68 dnl non-alphanumeric characters with "_".
69 dnl HELP-STRING is the help text for the option.
70 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
71 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
72 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
75 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
76 if test "$with_pop" = yes; then
77 AC_DEFINE(MAIL_USE_POP)
79 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
81 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
82 if test "$with_kerberos" != no; then
86 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
88 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
89 if test "${with_kerberos5}" != no; then
90 if test "${with_kerberos}" = no; then
94 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
97 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
98 dnl FIXME hesiod support may not be present, so it seems like an error
99 dnl to define, or at least use, this unconditionally.
100 if test "$with_hesiod" != no; then
101 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
104 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
105 if test "$with_mmdf" != no; then
106 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
109 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
110 if test "$with_mail_unlink" != no; then
111 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
114 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
115 [string giving default POP mail host])],
116 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
118 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
120 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
121 if test "$with_sync_input" = yes; then
122 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
125 dnl FIXME currently it is not the last.
126 dnl This should be the last --with option, because --with-x is
127 dnl added later on when we find the path of X, and it's best to
128 dnl keep them together visually.
129 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
130 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
131 [ case "${withval}" in
132 y | ye | yes ) val=gtk ;;
134 l | lu | luc | luci | lucid ) val=lucid ;;
135 a | at | ath | athe | athen | athena ) val=athena ;;
136 m | mo | mot | moti | motif ) val=motif ;;
137 g | gt | gtk ) val=gtk ;;
140 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
141 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
142 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
148 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
149 if test "$with_wide_int" = yes; then
150 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
153 dnl _ON results in a '--without' option in the --help output, so
154 dnl the help text should refer to "don't compile", etc.
155 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
156 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
157 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
158 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
159 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
160 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
161 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
162 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
164 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
165 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
166 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
168 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
169 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
170 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
171 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
173 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
174 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
175 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
176 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
177 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
178 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
180 ## For the times when you want to build Emacs but don't have
181 ## a suitable makeinfo, and can live without the manuals.
182 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
183 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
185 ## This is an option because I do not know if all info/man support
186 ## compressed files, nor how to test if they do so.
187 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
188 if test $with_compress_info = yes; then
195 AC_ARG_WITH([pkg-config-prog],dnl
196 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
197 [path to pkg-config for finding GTK and librsvg])])
198 if test "X${with_pkg_config_prog}" != X; then
199 if test "${with_pkg_config_prog}" != yes; then
200 PKG_CONFIG="${with_pkg_config_prog}"
205 AC_ARG_WITH([crt-dir],dnl
206 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
207 The default is /usr/lib, or /usr/lib64 on some platforms.])])
208 CRT_DIR="${with_crt_dir}"
210 AC_ARG_WITH(gameuser,dnl
211 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
212 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
213 && gameuser="${with_gameuser}"
214 test "X$gameuser" = X && gameuser=games
216 AC_ARG_WITH([gnustep-conf],dnl
217 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
218 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
219 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
220 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
221 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
223 AC_ARG_ENABLE(ns-self-contained,
224 [AS_HELP_STRING([--disable-ns-self-contained],
225 [disable self contained build under NeXTstep])],
226 EN_NS_SELF_CONTAINED=$enableval,
227 EN_NS_SELF_CONTAINED=yes)
229 AC_ARG_ENABLE(asserts,
230 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
231 USE_XASSERTS=$enableval,
234 AC_ARG_ENABLE(maintainer-mode,
235 [AS_HELP_STRING([--disable-maintainer-mode],
236 [disable make rules and dependencies not useful (and sometimes
237 confusing) to the casual installer])],
238 USE_MAINTAINER_MODE=$enableval,
239 USE_MAINTAINER_MODE=yes)
240 if test $USE_MAINTAINER_MODE = yes; then
247 AC_ARG_ENABLE(locallisppath,
248 [AS_HELP_STRING([--enable-locallisppath=PATH],
249 [directories Emacs should search for lisp files specific
251 if test "${enableval}" = "no"; then
253 elif test "${enableval}" != "yes"; then
254 locallisppath=${enableval}
257 AC_ARG_ENABLE(checking,
258 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
259 [enable expensive run-time checks. With LIST,
260 enable only specific categories of checks.
261 Categories are: all,yes,no.
262 Flags are: stringbytes, stringoverrun, stringfreelist,
263 xmallocoverrun, conslist])],
264 [ac_checking_flags="${enableval}"],[])
265 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
266 for check in $ac_checking_flags
269 # these set all the flags to specific states
270 yes) ac_enable_checking=1 ;;
271 no) ac_enable_checking= ;
272 ac_gc_check_stringbytes= ;
273 ac_gc_check_string_overrun= ;
274 ac_gc_check_string_free_list= ;
275 ac_xmalloc_overrun= ;
276 ac_gc_check_cons_list= ;;
277 all) ac_enable_checking=1 ;
278 ac_gc_check_stringbytes=1 ;
279 ac_gc_check_string_overrun=1 ;
280 ac_gc_check_string_free_list=1 ;
281 ac_xmalloc_overrun=1 ;
282 ac_gc_check_cons_list=1 ;;
283 # these enable particular checks
284 stringbytes) ac_gc_check_stringbytes=1 ;;
285 stringoverrun) ac_gc_check_string_overrun=1 ;;
286 stringfreelist) ac_gc_check_string_free_list=1 ;;
287 xmallocoverrun) ac_xmalloc_overrun=1 ;;
288 conslist) ac_gc_check_cons_list=1 ;;
289 *) AC_MSG_ERROR(unknown check category $check) ;;
294 if test x$ac_enable_checking != x ; then
295 AC_DEFINE(ENABLE_CHECKING, 1,
296 [Enable expensive run-time checking of data types?])
298 if test x$ac_gc_check_stringbytes != x ; then
299 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
300 [Define this temporarily to hunt a bug. If defined, the size of
301 strings is redundantly recorded in sdata structures so that it can
302 be compared to the sizes recorded in Lisp strings.])
304 if test x$ac_gc_check_string_overrun != x ; then
305 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
306 [Define this to check for short string overrun.])
308 if test x$ac_gc_check_string_free_list != x ; then
309 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
310 [Define this to check the string free list.])
312 if test x$ac_xmalloc_overrun != x ; then
313 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
314 [Define this to check for malloc buffer overrun.])
316 if test x$ac_gc_check_cons_list != x ; then
317 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
318 [Define this to check for errors in cons list.])
321 AC_ARG_ENABLE(use-lisp-union-type,
322 [AS_HELP_STRING([--enable-use-lisp-union-type],
323 [use a union for the Lisp_Object data type.
324 This is only useful for development for catching certain types of bugs.])],
325 if test "${enableval}" != "no"; then
326 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
327 [Define this to use a lisp union for the Lisp_Object data type.])
331 AC_ARG_ENABLE(profiling,
332 [AS_HELP_STRING([--enable-profiling],
333 [build emacs with profiling support.
334 This might not work on all platforms])],
335 [ac_enable_profiling="${enableval}"],[])
336 if test x$ac_enable_profiling != x ; then
337 PROFILING_CFLAGS="-DPROFILING=1 -pg"
341 AC_SUBST(PROFILING_CFLAGS)
343 AC_ARG_ENABLE(autodepend,
344 [AS_HELP_STRING([--enable-autodepend],
345 [automatically generate dependencies to .h-files.
346 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
348 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
350 #### Make srcdir absolute, if it isn't already. It's important to
351 #### avoid running the path through pwd unnecessarily, since pwd can
352 #### give you automounter prefixes, which can go away. We do all this
353 #### so Emacs can find its files when run uninstalled.
354 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
359 ## We may be able to use the $PWD environment variable to make this
360 ## absolute. But sometimes PWD is inaccurate.
361 ## Note: we used to use ${PWD} at the end instead of `pwd`,
362 ## but that tested only for a well-formed and valid PWD,
363 ## it did not object when PWD was well-formed and valid but just wrong.
364 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
368 srcdir="`(cd ${srcdir}; pwd)`"
371 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
374 #### Given the configuration name, set machfile and opsysfile to the
375 #### names of the m/*.h and s/*.h files we should use.
377 ### Canonicalize the configuration name.
381 configuration=${host_alias-${build_alias-$host}}
383 dnl This used to use changequote, but, apart from `changequote is evil'
384 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
385 dnl the great gob of text. Thus it's not processed for possible expansion.
386 dnl Just make sure the brackets remain balanced.
388 dnl Since Emacs can't find matching pairs of quotes, boundaries are
389 dnl indicated by comments.
393 ### If you add support for a new configuration, add code to this
394 ### switch statement to recognize your configuration name and select
395 ### the appropriate operating system and machine description files.
397 ### You would hope that you could choose an m/*.h file pretty much
398 ### based on the machine portion of the configuration name, and an s/*.h
399 ### file based on the operating system portion. However, it turns out
400 ### that each m/*.h file is pretty manufacturer-specific - for
401 ### example mips.h is MIPS
402 ### So we basically have to have a special case for each
403 ### configuration name.
405 ### As far as handling version numbers on operating systems is
406 ### concerned, make sure things will fail in a fixable way. If
407 ### /etc/MACHINES doesn't say anything about version numbers, be
408 ### prepared to handle anything reasonably. If version numbers
409 ### matter, be sure /etc/MACHINES says something about it.
411 machine='' opsys='' unported=no
412 case "${canonical}" in
418 alpha*) machine=alpha ;;
419 s390-*) machine=ibms390 ;;
420 s390x-*) machine=ibms390x ;;
421 powerpc*) machine=macppc ;;
422 sparc*) machine=sparc ;;
423 ia64*) machine=ia64 ;;
424 m68k*) machine=m68k ;;
425 x86_64*) machine=amdx86-64 ;;
432 case "${canonical}" in
433 alpha*) machine=alpha ;;
434 amd64-*|x86_64-*) machine=amdx86-64 ;;
435 ia64-*) machine=ia64 ;;
436 i[3456]86-*) machine=intel386 ;;
437 powerpc-*) machine=macppc ;;
438 sparc-*) machine=sparc ;;
439 sparc64-*) machine=sparc ;;
443 ## FreeBSD kernel + glibc based userland
446 case "${canonical}" in
447 alpha*) machine=alpha ;;
448 amd64-*|x86_64-*) machine=amdx86-64 ;;
449 ia64-*) machine=ia64 ;;
450 i[3456]86-*) machine=intel386 ;;
451 powerpc-*) machine=macppc ;;
452 sparc-*) machine=sparc ;;
453 sparc64-*) machine=sparc ;;
460 case "${canonical}" in
461 alpha*) machine=alpha ;;
462 x86_64-*) machine=amdx86-64 ;;
463 i[3456]86-*) machine=intel386 ;;
464 m68k-*) machine=m68k ;;
465 powerpc-*) machine=macppc ;;
466 sparc*-) machine=sparc ;;
467 vax-*) machine=vax ;;
474 case "${canonical}" in
475 alpha*) machine=alpha ;;
476 x86_64-*) machine=amdx86-64 ;;
477 i386-*) machine=intel386 ;;
478 powerpc-*) machine=macppc ;;
479 sparc*) machine=sparc ;;
480 vax-*) machine=vax ;;
484 ## Apple Darwin / Mac OS X
486 case "${canonical}" in
487 i[3456]86-* ) machine=intel386 ;;
488 powerpc-* ) machine=macppc ;;
489 x86_64-* ) machine=amdx86-64 ;;
493 # Define CPP as follows to make autoconf work correctly.
494 CPP="${CC-cc} -E -no-cpp-precomp"
495 # Use fink packages if available.
496 if test -d /sw/include && test -d /sw/lib; then
497 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
498 CPP="${CPP} ${GCC_TEST_OPTIONS}"
499 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
503 ## HP 9000 series 700 and 800, running HP/UX
507 hppa*-hp-hpux1[1-9]* )
509 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
512 ia64*-hp-hpux1[1-9]* )
513 machine=hp800 opsys=hpux11
514 ## FIXME. Peter O'Gorman reports that dumping using unexelf.o doesn't
515 ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
520 machine=hp800 opsys=gnu-linux
524 rs6000-ibm-aix4.[23]* )
525 machine=ibmrs6000 opsys=aix4-2
527 powerpc-ibm-aix4.[23]* )
528 machine=ibmrs6000 opsys=aix4-2
530 rs6000-ibm-aix[56]* )
531 machine=ibmrs6000 opsys=aix4-2
533 powerpc-ibm-aix[56]* )
534 machine=ibmrs6000 opsys=aix4-2
537 ## Silicon Graphics machines
541 # Without defining _LANGUAGE_C, things get masked out in the headers
542 # so that, for instance, grepping for `free' in stdlib.h fails and
543 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
544 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
545 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
550 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
551 | x86_64-*-solaris2* | x86_64-*-sunos5*)
552 case "${canonical}" in
553 i[3456]86-*-* ) machine=intel386 ;;
554 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
555 sparc* ) machine=sparc ;;
558 case "${canonical}" in
559 *-sunos5.6* | *-solaris2.6* )
561 NON_GNU_CPP=/usr/ccs/lib/cpp
564 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
566 emacs_check_sunpro_c=yes
567 NON_GNU_CPP=/usr/ccs/lib/cpp
569 *-sunos5* | *-solaris* )
571 emacs_check_sunpro_c=yes
572 NON_GNU_CPP=/usr/ccs/lib/cpp
575 ## Watch out for a compiler that we know will not work.
576 case "${canonical}" in
577 *-solaris* | *-sunos5* )
578 if [ "x$CC" = x/usr/ucb/cc ]; then
579 ## /usr/ucb/cc doesn't work;
580 ## we should find some other compiler that does work.
588 ## Intel 386 machines where we don't care about the manufacturer.
591 case "${canonical}" in
592 *-cygwin ) opsys=cygwin ;;
593 *-darwin* ) opsys=darwin
594 CPP="${CC-cc} -E -no-cpp-precomp"
596 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
597 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
598 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
599 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
608 ### If the code above didn't choose an operating system, just choose
609 ### an operating system based on the configuration name. You really
610 ### only want to use this when you have no idea what the right
611 ### operating system is; if you know what operating systems a machine
612 ### runs, it's cleaner to make it explicit in the case statement
614 if test x"${opsys}" = x; then
615 case "${canonical}" in
616 *-gnu* ) opsys=gnu ;;
626 if test $unported = yes; then
627 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
628 Check `etc/MACHINES' for recognized configuration names.])
631 if test -n "$machine"; then
632 machfile="m/${machine}.h"
636 opsysfile="s/${opsys}.h"
639 #### Choose a compiler.
640 test -n "$CC" && cc_specified=yes
642 # Save the value of CFLAGS that the user specified.
643 SPECIFIED_CFLAGS="$CFLAGS"
645 dnl Sets GCC=yes if using gcc.
649 # Initialize gnulib right after verifying that the C compiler works.
652 # On Suns, sometimes $CPP names a directory.
653 if test -n "$CPP" && test -d "$CPP"; then
657 ## If not using gcc, and on Solaris, and no CPP specified, see if
658 ## using a Sun compiler, which needs -Xs to prevent whitespace.
659 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
660 test x"$CPP" = x; then
661 AC_MSG_CHECKING([whether we are using a Sun C compiler])
662 AC_CACHE_VAL(emacs_cv_sunpro_c,
663 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
667 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
668 AC_MSG_RESULT($emacs_cv_sunpro_c)
670 if test x"$emacs_cv_sunpro_c" = xyes; then
671 NON_GNU_CPP="$CC -E -Xs"
675 #### Some systems specify a CPP to use unless we are using GCC.
676 #### Now that we know whether we are using GCC, we can decide whether
677 #### to use that one.
678 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
683 #### Some systems specify a CC to use unless we are using GCC.
684 #### Now that we know whether we are using GCC, we can decide whether
685 #### to use that one.
686 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
687 test x$cc_specified != xyes
692 if test x$GCC = xyes; then
693 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
695 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
698 ### Use -Wdeclaration-after-statement if the compiler supports it
699 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
700 SAVE_CFLAGS="$CFLAGS"
701 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
702 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
703 if test $has_option = yes; then
704 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
706 AC_MSG_RESULT($has_option)
707 CFLAGS="$SAVE_CFLAGS"
711 ### Use -Wold-style-definition if the compiler supports it
712 # This can be removed when conversion to standard C is finished.
713 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
714 SAVE_CFLAGS="$CFLAGS"
715 CFLAGS="$CFLAGS -Wold-style-definition"
716 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
717 if test $has_option = yes; then
718 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
720 AC_MSG_RESULT($has_option)
721 CFLAGS="$SAVE_CFLAGS"
725 ### Use -Wimplicit-function-declaration if the compiler supports it
726 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
727 SAVE_CFLAGS="$CFLAGS"
728 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
729 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
730 if test $has_option = yes; then
731 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
733 AC_MSG_RESULT($has_option)
734 CFLAGS="$SAVE_CFLAGS"
738 AC_SUBST(C_WARNINGS_SWITCH)
741 #### Some other nice autoconf tests.
743 dnl checks for programs
746 if test "x$RANLIB" = x; then
750 ## Although we're running on an amd64 kernel, we're actually compiling for
751 ## the x86 architecture. The user should probably have provided an
752 ## explicit --build to `configure', but if everything else than the kernel
753 ## is running in i386 mode, we can help them out.
754 if test "$machine" = "amdx86-64"; then
755 AC_CHECK_DECL([i386])
756 if test "$ac_cv_have_decl_i386" = "yes"; then
757 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
759 machfile="m/${machine}.h"
763 AC_PATH_PROG(INSTALL_INFO, install-info)
764 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
765 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
766 dnl Don't use GZIP, which is used by gzip for additional parameters.
767 AC_PATH_PROG(GZIP_PROG, gzip)
770 ## Need makeinfo >= 4.6 (?) to build the manuals.
771 AC_PATH_PROG(MAKEINFO, makeinfo, no)
772 dnl By this stage, configure has already checked for egrep and set EGREP,
773 dnl or exited with an error if no egrep was found.
774 if test "$MAKEINFO" != "no" && \
775 test x"`$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
779 ## Makeinfo is unusual. For a released Emacs, the manuals are
780 ## pre-built, and not deleted by the normal clean rules. makeinfo is
781 ## therefore in the category of "special tools" not normally required, which
782 ## configure does not have to check for (eg autoconf itself).
783 ## In a Bazaar checkout on the other hand, the manuals are not included.
784 ## So makeinfo is a requirement to build from Bazaar, and configure
785 ## should test for it as it does for any other build requirement.
786 ## We use the presence of $srcdir/info/emacs to distinguish a release,
787 ## with pre-built manuals, from a Bazaar checkout.
790 if test "$MAKEINFO" = "no"; then
792 if test "x${with_makeinfo}" = "xno"; then
794 elif test ! -e $srcdir/info/emacs; then
795 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
796 source tree does not seem to have pre-built manuals in the `info' directory.
797 Either install a suitable version of makeinfo, or re-run configure
798 with the `--without-makeinfo' option to build without the manuals.] )
801 AC_SUBST(HAVE_MAKEINFO)
803 dnl Add our options to ac_link now, after it is set up.
805 if test x$GCC = xyes; then
806 test "x$GCC_LINK_TEST_OPTIONS" != x && \
807 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
809 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
810 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
813 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
814 dnl If we can link with the flag, it shouldn't do any harm anyhow.
815 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
816 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
817 dnl if not built to support GNU ld.
819 late_LDFLAGS=$LDFLAGS
820 if test x$GCC = xyes; then
821 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
823 LDFLAGS="$LDFLAGS -znocombreloc"
826 AC_MSG_CHECKING([for -znocombreloc])
827 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
828 [AC_MSG_RESULT(yes)],
829 LDFLAGS=$late_LDFLAGS
833 # The value of CPP is a quoted variable reference, so we need to do this
834 # to get its actual value...
835 CPP=`eval "echo $CPP"`
838 dnl The function dump-emacs will not be defined and temacs will do
839 dnl (load "loadup") automatically unless told otherwise.
840 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
842 your-opsys-here) CANNOT_DUMP=yes ;;
845 test "$CANNOT_DUMP" = "yes" && \
846 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
848 AC_SUBST(CANNOT_DUMP)
853 # MSDOS uses unexcoff.o
854 # MSWindows uses unexw32.o
862 UNEXEC_OBJ=unexmacosx.o
865 UNEXEC_OBJ=unexhp9k800.o
868 # Use the Solaris dldump() function, called from unexsol.c, to dump
869 # emacs, instead of the generic ELF dump code found in unexelf.c.
870 # The resulting binary has a complete symbol table, and is better
871 # for debugging and other observability tools (debuggers, pstack, etc).
873 # If you encounter a problem using dldump(), please consider sending
874 # a message to the OpenSolaris tools-linking mailing list:
875 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
877 # It is likely that dldump() works with older Solaris too, but this has
878 # not been tested, so for now this change is for Solaris 10 or newer.
886 ## Let `ld' find image libs and similar things in /usr/local/lib.
887 ## The system compiler, GCC, has apparently been modified to not
888 ## look there, contrary to what a stock GCC would do.
889 LD_SWITCH_SYSTEM=-L/usr/local/lib
893 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
894 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
898 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
902 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
903 ## otherwise Emacs dumps core on elf systems.
904 LD_SWITCH_SYSTEM="-Z"
907 AC_SUBST(LD_SWITCH_SYSTEM)
909 ac_link="$ac_link $LD_SWITCH_SYSTEM"
911 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
912 ## which has not been defined yet. When this was handled with cpp,
913 ## it was expanded to null when configure sourced the s/*.h file.
914 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
915 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
916 ## (or somesuch), but because it is supposed to go at the _front_
917 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
918 ## Compare with the gnu-linux case below, which added to the end
919 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
920 ## LD_SWITCH_SYSTEM_TEMACS.
923 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
924 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
929 if test "$machine" = "alpha"; then
930 AC_CHECK_DECL([__ELF__])
931 if test "$ac_cv_have_decl___ELF__" = "yes"; then
932 ## With ELF, make sure that all common symbols get allocated to in the
933 ## data section. Otherwise, the dump of temacs may miss variables in
934 ## the shared library that have been initialized. For example, with
935 ## GNU libc, __malloc_initialized would normally be resolved to the
936 ## shared library's .bss section, which is fatal.
937 if test "x$GCC" = "xyes"; then
938 C_SWITCH_MACHINE="-fno-common"
940 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
943 UNEXEC_OBJ=unexalpha.o
946 AC_SUBST(C_SWITCH_MACHINE)
951 ## Some programs in src produce warnings saying certain subprograms
952 ## are too complex and need a MAXMEM value greater than 2000 for
953 ## additional optimization. --nils@exp-math.uni-essen.de
954 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
955 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
956 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
957 ## It is redundant in glibc2, since we define _GNU_SOURCE.
958 AC_SUBST(C_SWITCH_SYSTEM)
963 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
964 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
966 freebsd) LIBS_SYSTEM="-lutil" ;;
968 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
970 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
972 ## Motif needs -lgen.
973 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
975 AC_SUBST(LIBS_SYSTEM)
978 ### Make sure subsequent tests use flags consistent with the build flags.
980 if test x"${OVERRIDE_CPPFLAGS}" != x; then
981 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
983 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
986 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
987 AC_DEFUN([AC_TYPE_SIZE_T])
988 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
989 AC_DEFUN([AC_TYPE_UID_T])
991 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1002 START_FILES='pre-crt0.o'
1005 ## Adding -lm confuses the dynamic linker, so omit it.
1007 START_FILES='pre-crt0.o'
1010 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1011 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1013 gnu-linux | gnu-kfreebsd )
1014 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1015 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1017 hpux10-20 | hpux11 )
1019 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1022 if test -f $CRT_DIR/crti.o; then
1023 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1024 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1026 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1027 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1033 AC_SUBST(START_FILES)
1035 dnl Not all platforms use crtn.o files. Check if the current one does.
1038 for file in x $LIB_STANDARD $START_FILES; do
1040 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1044 if test "x$crt_files" != x; then
1046 ## If user specified a crt-dir, use that unconditionally.
1049 if test "X$CRT_DIR" = "X"; then
1051 CRT_DIR=/usr/lib # default
1053 case "$canonical" in
1054 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1055 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1056 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1057 ## For anything else (eg /usr/lib32), it is up the user to specify
1058 ## the location (bug#5655).
1059 ## Test for crtn.o, not just the directory, because sometimes the
1060 ## directory exists but does not have the relevant files (bug#1287).
1061 ## FIXME better to test for binary compatibility somehow.
1062 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1065 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1069 hpux10-20) CRT_DIR=/lib ;;
1072 test "x${GCC}" = xyes && crt_gcc=yes
1078 for file in $crt_files; do
1080 ## If we're using gcc, try to determine it automatically by asking
1081 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1082 ## system-dependent default from above.]
1083 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1085 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1088 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1093 dnl We expect all the files to be in a single directory, so after the
1094 dnl first there is no point asking gcc.
1097 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1100 test "x$crt_missing" = x || \
1101 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1102 Try using the --with-crt-dir option.])
1104 fi # crt_files != ""
1109 dnl This function definition taken from Gnome 2.0
1110 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1111 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1112 dnl also defines GSTUFF_PKG_ERRORS on error
1113 AC_DEFUN([PKG_CHECK_MODULES], [
1116 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1118 if test "$PKG_CONFIG" = "no" ; then
1119 ifelse([$4], , [AC_MSG_ERROR([
1120 *** 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])
1122 PKG_CONFIG_MIN_VERSION=0.9.0
1123 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1124 AC_MSG_CHECKING(for $2)
1126 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1130 AC_MSG_CHECKING($1_CFLAGS)
1131 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1132 AC_MSG_RESULT($$1_CFLAGS)
1134 AC_MSG_CHECKING($1_LIBS)
1135 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1136 AC_MSG_RESULT($$1_LIBS)
1141 ## If we have a custom action on failure, don't print errors, but
1142 ## do set a variable so people can do so.
1143 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1144 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1150 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1151 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1155 if test $succeeded = yes; then
1156 ifelse([$3], , :, [$3])
1158 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.])], [$4])
1163 if test "${with_sound}" != "no"; then
1164 # Sound support for GNU/Linux and the free BSDs.
1165 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1166 have_sound_header=yes)
1167 # Emulation library used on NetBSD.
1168 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1172 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1173 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1174 if test $HAVE_ALSA = yes; then
1175 SAVE_CFLAGS="$CFLAGS"
1176 SAVE_LDFLAGS="$LDFLAGS"
1177 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1178 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1179 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1180 emacs_alsa_normal=yes,
1181 emacs_alsa_normal=no)
1182 if test "$emacs_alsa_normal" != yes; then
1183 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1184 [[snd_lib_error_set_handler (0);]])],
1185 emacs_alsa_subdir=yes,
1186 emacs_alsa_subdir=no)
1187 if test "$emacs_alsa_subdir" != yes; then
1188 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1190 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1193 CFLAGS="$SAVE_CFLAGS"
1194 LDFLAGS="$SAVE_LDFLAGS"
1195 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1196 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1197 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1200 dnl Define HAVE_SOUND if we have sound support. We know it works and
1201 dnl compiles only on the specified platforms. For others, it
1202 dnl probably doesn't make sense to try.
1203 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1205 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1206 gnu-linux|freebsd|netbsd)
1207 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1212 AC_SUBST(CFLAGS_SOUND)
1215 dnl checks for header files
1216 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1217 linux/version.h sys/systeminfo.h limits.h \
1218 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1219 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1220 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1222 AC_MSG_CHECKING(if personality LINUX32 can be set)
1223 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1224 emacs_cv_personality_linux32=yes,
1225 emacs_cv_personality_linux32=no)
1226 AC_MSG_RESULT($emacs_cv_personality_linux32)
1228 if test $emacs_cv_personality_linux32 = yes; then
1229 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1230 [Define to 1 if personality LINUX32 can be set.])
1233 dnl On Solaris 8 there's a compilation warning for term.h because
1234 dnl it doesn't define `bool'.
1235 AC_CHECK_HEADERS(term.h, , , -)
1238 AC_CHECK_DECLS([sys_siglist])
1239 if test $ac_cv_have_decl_sys_siglist != yes; then
1240 # For Tru64, at least:
1241 AC_CHECK_DECLS([__sys_siglist])
1242 if test $ac_cv_have_decl___sys_siglist = yes; then
1243 AC_DEFINE(sys_siglist, __sys_siglist,
1244 [Define to any substitute for sys_siglist.])
1249 dnl Some systems have utime.h but don't declare the struct anyplace.
1250 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1251 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1252 #include <sys/time.h>
1255 #ifdef HAVE_SYS_TIME_H
1256 #include <sys/time.h>
1263 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1264 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1265 if test $emacs_cv_struct_utimbuf = yes; then
1266 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1269 dnl Check for speed_t typedef.
1270 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1271 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1272 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1273 if test $emacs_cv_speed_t = yes; then
1274 AC_DEFINE(HAVE_SPEED_T, 1,
1275 [Define to 1 if `speed_t' is declared by <termios.h>.])
1278 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1279 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1280 #include <sys/time.h>
1283 #ifdef HAVE_SYS_TIME_H
1284 #include <sys/time.h>
1288 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1289 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1290 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1291 if test $emacs_cv_struct_timeval = yes; then
1292 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1295 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1296 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1297 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1298 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1299 HAVE_EXCEPTION=$emacs_cv_struct_exception
1300 if test $emacs_cv_struct_exception != yes; then
1301 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1304 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1305 #if HAVE_SYS_SOCKET_H
1306 #include <sys/socket.h>
1309 dnl checks for structure members
1312 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1313 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1314 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1315 [#include <time.h>])
1316 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1317 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1318 struct ifreq.ifr_addr], , ,
1319 [AC_INCLUDES_DEFAULT
1320 #if HAVE_SYS_SOCKET_H
1321 #include <sys/socket.h>
1327 dnl checks for compiler characteristics
1329 dnl Testing __STDC__ to determine prototype support isn't good enough.
1330 dnl DEC C, for instance, doesn't define it with default options, and
1331 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1336 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1337 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1338 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1339 if test $emacs_cv_void_star = yes; then
1340 AC_DEFINE(POINTER_TYPE, void)
1342 AC_DEFINE(POINTER_TYPE, char)
1344 AH_TEMPLATE(POINTER_TYPE,
1345 [Define as `void' if your compiler accepts `void *'; otherwise
1346 define as `char'.])dnl
1348 dnl Check for endianess
1351 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1352 [emacs_cv_attribute_aligned],
1355 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1357 [emacs_cv_attribute_aligned=yes],
1358 [emacs_cv_attribute_aligned=no])])
1359 if test $emacs_cv_attribute_aligned = yes; then
1360 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1361 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1364 dnl check for Make feature
1370 dnl check for GNU Make if we have GCC and autodepend is on.
1371 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1372 AC_MSG_CHECKING([whether we are using GNU Make])
1374 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1375 if test "x$testval" != x; then
1378 ac_enable_autodepend=no
1380 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1381 if test $HAVE_GNU_MAKE = yes; then
1382 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1383 SAVE_CFLAGS="$CFLAGS"
1384 CFLAGS="$CFLAGS -MMD -MF deps.d"
1385 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1386 CFLAGS="$SAVE_CFLAGS"
1387 test -f deps.d || ac_enable_autodepend=no
1389 AC_MSG_RESULT([$ac_enable_autodepend])
1391 if test $ac_enable_autodepend = yes; then
1392 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1393 ## In parallel builds, another make might create depdir between
1394 ## the first test and mkdir, so stick another test on the end.
1395 ## Or use install-sh -d? mkdir -p is not portable.
1396 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1397 deps_frag=autodeps.mk
1400 deps_frag=$srcdir/src/$deps_frag
1403 AC_SUBST_FILE(deps_frag)
1406 lisp_frag=$srcdir/src/lisp.mk
1407 AC_SUBST_FILE(lisp_frag)
1410 dnl checks for operating system services
1411 AC_SYS_LONG_FILE_NAMES
1413 #### Choose a window system.
1416 if test "$no_x" = yes; then
1422 ## Workaround for bug in autoconf <= 2.62.
1423 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1424 ## No need to do anything special for these standard directories.
1425 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1427 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1431 LD_SWITCH_X_SITE_AUX=
1432 LD_SWITCH_X_SITE_AUX_RPATH=
1433 if test "${x_libraries}" != NONE; then
1434 if test -n "${x_libraries}"; then
1435 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1436 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1437 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1439 x_default_search_path=""
1440 x_search_path=${x_libraries}
1441 if test -z "${x_search_path}"; then
1442 x_search_path=/usr/lib
1444 for x_library in `echo ${x_search_path}: | \
1445 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1447 ${x_library}/X11/%L/%T/%N%C%S:\
1448 ${x_library}/X11/%l/%T/%N%C%S:\
1449 ${x_library}/X11/%T/%N%C%S:\
1450 ${x_library}/X11/%L/%T/%N%S:\
1451 ${x_library}/X11/%l/%T/%N%S:\
1452 ${x_library}/X11/%T/%N%S"
1453 if test x"${x_default_search_path}" = x; then
1454 x_default_search_path=${x_search_path}
1456 x_default_search_path="${x_search_path}:${x_default_search_path}"
1460 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1461 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1463 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1464 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1467 if test x"${x_includes}" = x; then
1468 bitmapdir=/usr/include/X11/bitmaps
1470 # accumulate include directories that have X11 bitmap subdirectories
1472 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1473 if test -d "${bmd}/X11/bitmaps"; then
1474 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1476 if test -d "${bmd}/bitmaps"; then
1477 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1480 if test ${bmd_acc} != "dummyval"; then
1481 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1488 tmp_CPPFLAGS="$CPPFLAGS"
1489 tmp_CFLAGS="$CFLAGS"
1490 CPPFLAGS="$CPPFLAGS -x objective-c"
1491 CFLAGS="$CFLAGS -x objective-c"
1492 TEMACS_LDFLAGS2="\${LDFLAGS}"
1493 dnl I don't think it's especially important, but src/Makefile.in
1494 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1495 dnl trailing "/" to it, so now we do it here.
1496 if test "${with_ns}" != no; then
1497 if test "${opsys}" = darwin; then
1499 ns_appdir=`pwd`/nextstep/Emacs.app
1500 ns_appbindir=${ns_appdir}/Contents/MacOS/
1501 ns_appresdir=${ns_appdir}/Contents/Resources
1502 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1503 elif test -f $GNUSTEP_CONFIG_FILE; then
1505 ns_appdir=`pwd`/nextstep/Emacs.app
1506 ns_appbindir=${ns_appdir}/
1507 ns_appresdir=${ns_appdir}/Resources
1508 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1509 dnl FIXME sourcing this several times in subshells seems inefficient.
1510 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1511 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1512 dnl I seemed to need these as well with GNUstep-startup 0.25.
1513 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1514 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1515 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1516 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1517 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1518 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1519 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1520 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1521 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1526 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1527 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1528 files are missing or cannot be compiled.])])
1529 NS_HAVE_NSINTEGER=yes
1530 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1532 ns_have_nsinteger=yes,
1533 ns_have_nsinteger=no)
1534 if test $ns_have_nsinteger = no; then
1535 NS_HAVE_NSINTEGER=no
1538 AC_SUBST(TEMACS_LDFLAGS2)
1543 if test "${HAVE_NS}" = yes; then
1544 window_system=nextstep
1546 # set up packaging dirs
1547 exec_prefix=${ns_appbindir}
1548 libexecdir=${ns_appbindir}/libexec
1549 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1550 prefix=${ns_appresdir}
1552 ns_frag=$srcdir/src/ns.mk
1553 NS_OBJ="fontset.o fringe.o image.o"
1554 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1556 CFLAGS="$tmp_CFLAGS"
1557 CPPFLAGS="$tmp_CPPFLAGS"
1559 AC_SUBST(NS_OBJC_OBJ)
1560 AC_SUBST(LIB_STANDARD)
1561 AC_SUBST_FILE(ns_frag)
1563 case "${window_system}" in
1567 case "${with_x_toolkit}" in
1568 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1569 motif ) USE_X_TOOLKIT=MOTIF ;;
1571 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1572 dnl USE_X_TOOLKIT is set.
1573 USE_X_TOOLKIT=none ;;
1574 gtk3 ) with_gtk3=yes
1575 USE_X_TOOLKIT=none ;;
1576 no ) USE_X_TOOLKIT=none ;;
1577 dnl If user did not say whether to use a toolkit, make this decision later:
1578 dnl use the toolkit if we have gtk, or X11R5 or newer.
1579 * ) USE_X_TOOLKIT=maybe ;;
1589 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1590 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1591 if test "$HAVE_XSERVER" = true ||
1592 test -n "$DISPLAY" ||
1593 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1594 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1595 were found. You should install the relevant development files for X
1596 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1597 sure you have development files for image handling, i.e.
1598 tiff, gif, jpeg, png and xpm.
1599 If you are sure you want Emacs compiled without X window support, pass
1605 ### If we're using X11, we should use the X menu package.
1608 yes ) HAVE_MENUS=yes ;;
1611 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1612 # Assume not, until told otherwise.
1615 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1616 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1617 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1618 emacs_cv_var___after_morecore_hook,
1619 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1620 emacs_cv_var___after_morecore_hook=yes,
1621 emacs_cv_var___after_morecore_hook=no)])
1622 if test $emacs_cv_var___after_morecore_hook = no; then
1627 dnl See comments in aix4-2.h about maybe using system malloc there.
1630 ## darwin ld insists on the use of malloc routines in the System framework.
1631 darwin|sol2-10) system_malloc=yes ;;
1634 if test "${system_malloc}" = "yes"; then
1635 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1638 (The GNU allocators don't work with this system configuration.)"
1642 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1643 VMLIMIT_OBJ=vm-limit.o
1645 AC_SUBST(GMALLOC_OBJ)
1646 AC_SUBST(VMLIMIT_OBJ)
1648 if test "$doug_lea_malloc" = "yes" ; then
1649 if test "$GNU_MALLOC" = yes ; then
1651 (Using Doug Lea's new malloc from the GNU C Library.)"
1653 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1654 [Define to 1 if you are using the GNU C Library.])
1656 ## Use mmap directly for allocating larger buffers.
1657 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1658 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1659 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1661 gnu*) REL_ALLOC=no ;;
1665 if test x"${REL_ALLOC}" = x; then
1666 REL_ALLOC=${GNU_MALLOC}
1669 use_mmap_for_buffers=no
1671 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1675 if test $use_mmap_for_buffers = yes; then
1676 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1680 LIBS="$LIBS_SYSTEM $LIBS"
1682 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1683 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1684 AC_CHECK_LIB(dnet, dnet_ntoa)
1685 dnl This causes -lresolv to get used in subsequent tests,
1686 dnl which causes failures on some systems such as HPUX 9.
1687 dnl AC_CHECK_LIB(resolv, gethostbyname)
1689 dnl FIXME replace main with a function we actually want from this library.
1690 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1692 AC_CHECK_LIB(pthreads, cma_open)
1694 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1695 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1696 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1697 ## added to LIBS in configure would never contain the pthreads part,
1698 ## but the value used in Makefiles might. FIXME?
1700 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1701 ## be harmless on older versions of X where it happens to exist.
1702 test "$opsys" = "aix4-2" && \
1703 test $ac_cv_lib_pthreads_cma_open = yes && \
1704 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1706 dnl Check for need for bigtoc support on IBM AIX
1710 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1712 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1713 *) gdb_cv_bigtoc=-bbigtoc ;;
1716 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1717 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1722 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1723 # used for the tests that follow. We set them back to REAL_CFLAGS and
1724 # REAL_CPPFLAGS later on.
1726 REAL_CFLAGS="$CFLAGS"
1727 REAL_CPPFLAGS="$CPPFLAGS"
1729 if test "${HAVE_X11}" = "yes"; then
1730 DEFS="$C_SWITCH_X_SITE $DEFS"
1731 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1733 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1734 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1736 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1737 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1738 # but it's more convenient here to set LD_RUN_PATH
1739 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1740 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1741 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1745 if test "${opsys}" = "gnu-linux"; then
1746 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1747 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1748 [[XOpenDisplay ("foo");]])],
1749 [xlinux_first_failure=no],
1750 [xlinux_first_failure=yes])
1751 if test "${xlinux_first_failure}" = "yes"; then
1752 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1753 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1754 OLD_CPPFLAGS="$CPPFLAGS"
1756 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1757 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1758 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1759 LIBS="$LIBS -b i486-linuxaout"
1760 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1761 [[XOpenDisplay ("foo");]])],
1762 [xlinux_second_failure=no],
1763 [xlinux_second_failure=yes])
1764 if test "${xlinux_second_failure}" = "yes"; then
1765 # If we get the same failure with -b, there is no use adding -b.
1766 # So take it out. This plays safe.
1767 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1768 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1769 CPPFLAGS="$OLD_CPPFLAGS"
1780 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1781 # header files included from there.
1782 AC_MSG_CHECKING(for Xkb)
1783 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1784 #include <X11/XKBlib.h>]],
1785 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1786 emacs_xkb=yes, emacs_xkb=no)
1787 AC_MSG_RESULT($emacs_xkb)
1788 if test $emacs_xkb = yes; then
1789 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1792 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1793 XScreenNumberOfScreen XSetWMProtocols)
1796 if test "${window_system}" = "x11"; then
1797 AC_MSG_CHECKING(X11 version 6)
1798 AC_CACHE_VAL(emacs_cv_x11_version_6,
1799 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1800 [[#if XlibSpecificationRelease < 6
1803 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1804 if test $emacs_cv_x11_version_6 = yes; then
1805 AC_MSG_RESULT(6 or newer)
1806 AC_DEFINE(HAVE_X11R6, 1,
1807 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1808 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1809 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1813 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1814 [Define if you have usable X11R6-style XIM support.])
1818 AC_MSG_RESULT(before 6)
1823 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1825 if test "${HAVE_X11}" = "yes" || test "${NS_IMPL_GNUSTEP}" = "yes"; then
1826 if test "${with_rsvg}" != "no"; then
1827 RSVG_REQUIRED=2.11.0
1828 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1830 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1831 AC_SUBST(RSVG_CFLAGS)
1834 if test $HAVE_RSVG = yes; then
1835 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1836 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1837 LIBS="$RSVG_LIBS $LIBS"
1843 if test "${HAVE_X11}" = "yes"; then
1844 if test "${with_imagemagick}" != "no"; then
1845 ## 6.2.8 is the earliest version known to work, but earlier versions
1846 ## might work - let us know if you find one.
1847 ## 6.0.7 does not work. See bug#7955.
1848 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1849 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1850 AC_SUBST(IMAGEMAGICK_CFLAGS)
1851 AC_SUBST(IMAGEMAGICK_LIBS)
1853 if test $HAVE_IMAGEMAGICK = yes; then
1854 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1855 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1856 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1857 AC_CHECK_FUNCS(MagickExportImagePixels)
1865 if test "${with_gtk3}" = "yes"; then
1868 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1870 dnl Checks for libraries.
1871 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1872 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1873 AC_MSG_ERROR($GTK_PKG_ERRORS)
1875 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1876 GTK_OBJ=emacsgtkfixed.o
1879 if test "$pkg_check_gtk" != "yes"; then
1881 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1884 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1886 dnl Checks for libraries.
1887 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1888 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1889 AC_MSG_ERROR($GTK_PKG_ERRORS)
1894 if test x"$pkg_check_gtk" = xyes; then
1896 AC_SUBST(GTK_CFLAGS)
1898 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1899 CFLAGS="$CFLAGS $GTK_CFLAGS"
1900 LIBS="$GTK_LIBS $LIBS"
1901 dnl Try to compile a simple GTK program.
1903 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1904 if test "${GTK_COMPILES}" != "yes"; then
1905 if test "$USE_X_TOOLKIT" != "maybe"; then
1906 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1910 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1911 GTK_OBJ="gtkutil.o $GTK_OBJ"
1913 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1916 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1917 closing open displays. This is no problem if you just use
1918 one display, but if you use more than one and close one of them
1928 if test "${HAVE_GTK}" = "yes"; then
1930 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1931 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1932 if test "$with_toolkit_scroll_bars" != no; then
1933 with_toolkit_scroll_bars=yes
1936 dnl Check if we have the old file selection dialog declared and
1937 dnl in the link library. In 2.x it may be in the library,
1938 dnl but not declared if deprecated featured has been selected out.
1939 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1940 HAVE_GTK_FILE_SELECTION=no
1941 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1942 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1943 #include <gtk/gtk.h>])
1944 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1945 AC_CHECK_FUNCS(gtk_file_selection_new)
1948 dnl Check if pthreads are available. Emacs only needs this when using
1949 dnl gtk_file_chooser under Gnome.
1950 HAVE_GTK_AND_PTHREAD=no
1951 AC_CHECK_HEADERS(pthread.h)
1952 if test "$ac_cv_header_pthread_h"; then
1953 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1955 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1956 case "${canonical}" in
1958 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1960 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1961 [Define to 1 if you have GTK and pthread (-lpthread).])
1964 dnl Check for functions introduced in 2.14 and later.
1965 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1966 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1967 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1968 gtk_orientable_set_orientation)
1972 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1973 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1974 dnl also not configured.
1977 if test "${with_dbus}" = "yes"; then
1978 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1979 if test "$HAVE_DBUS" = yes; then
1980 LIBS="$LIBS $DBUS_LIBS"
1981 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1982 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1988 dnl GSettings has been tested under GNU/Linux only.
1990 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
1991 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
1992 if test "$HAVE_GSETTINGS" = "yes"; then
1993 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
1994 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
1995 SETTINGS_LIBS="$GSETTINGS_LIBS"
1999 dnl GConf has been tested under GNU/Linux only.
2000 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2002 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2003 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2004 if test "$HAVE_GCONF" = yes; then
2005 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2006 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2007 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2008 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2012 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2013 SAVE_CFLAGS="$CFLAGS"
2014 SAVE_LDFLAGS="$LDFLAGS"
2015 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2016 LDFLAGS="$SETTINGS_LIBS $LDFLAGS"
2017 AC_CHECK_FUNCS([g_type_init])
2018 CFLAGS="$SAVE_CFLAGS"
2019 LDFLAGS="$SAVE_LDFLAGS"
2021 AC_SUBST(SETTINGS_CFLAGS)
2022 AC_SUBST(SETTINGS_LIBS)
2025 dnl SELinux is available for GNU/Linux only.
2028 if test "${with_selinux}" = "yes"; then
2029 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2030 if test "$HAVE_LIBSELINUX" = yes; then
2031 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2032 LIBSELINUX_LIBS=-lselinux
2035 AC_SUBST(LIBSELINUX_LIBS)
2038 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2039 if test "${with_gnutls}" = "yes" ; then
2040 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.0], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2041 if test "${HAVE_GNUTLS}" = "yes"; then
2042 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2045 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2046 LIBS="$LIBGNUTLS_LIBS $LIBS"
2047 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2049 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2050 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2054 AC_SUBST(LIBGNUTLS_LIBS)
2055 AC_SUBST(LIBGNUTLS_CFLAGS)
2057 dnl Do not put whitespace before the #include statements below.
2058 dnl Older compilers (eg sunos4 cc) choke on it.
2061 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2062 if test "$with_xaw3d" != no; then
2063 AC_MSG_CHECKING(for xaw3d)
2064 AC_CACHE_VAL(emacs_cv_xaw3d,
2065 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2066 #include <X11/Intrinsic.h>
2067 #include <X11/Xaw3d/Simple.h>]],
2069 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2070 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2071 emacs_cv_xaw3d=no)])
2075 if test $emacs_cv_xaw3d = yes; then
2076 AC_MSG_RESULT([yes; using Lucid toolkit])
2080 AC_DEFINE(HAVE_XAW3D, 1,
2081 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2084 AC_MSG_CHECKING(for libXaw)
2085 AC_CACHE_VAL(emacs_cv_xaw,
2086 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2087 #include <X11/Intrinsic.h>
2088 #include <X11/Xaw/Simple.h>]],
2092 if test $emacs_cv_xaw = yes; then
2093 AC_MSG_RESULT([yes; using Lucid toolkit])
2096 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2097 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2099 AC_MSG_ERROR([No X toolkit could be found.
2100 If you are sure you want Emacs compiled without an X toolkit, pass
2102 to configure. Otherwise, install the development libraries for the toolkit
2103 that you want to use (e.g. Gtk+) and re-run configure.])
2108 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2111 if test "${USE_X_TOOLKIT}" != "none"; then
2112 AC_MSG_CHECKING(X11 toolkit version)
2113 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2114 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2115 [[#if XtSpecificationRelease < 6
2118 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2119 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2120 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2121 AC_MSG_RESULT(6 or newer)
2122 AC_DEFINE(HAVE_X11XTR6, 1,
2123 [Define to 1 if you have the X11R6 or newer version of Xt.])
2124 LIBXTR6="-lSM -lICE"
2126 ## Use libw.a along with X11R6 Xt.
2127 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2130 AC_MSG_RESULT(before 6)
2133 dnl If using toolkit, check whether libXmu.a exists.
2134 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2136 if test x$HAVE_X11XTR6 = xyes; then
2137 LIBS="-lXt -lSM -lICE $LIBS"
2141 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2142 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2146 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2147 dnl Why not just test for libxmu in the normal way?
2150 ## These systems don't supply Xmu.
2152 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2157 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2158 if test "${HAVE_X11}" = "yes"; then
2159 if test "${USE_X_TOOLKIT}" != "none"; then
2160 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2165 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2166 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2167 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2168 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2171 Motif version prior to 2.1.
2173 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2174 if test $emacs_cv_motif_version_2_1 = yes; then
2175 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2177 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2178 # We put this in CFLAGS temporarily to precede other -I options
2179 # that might be in CFLAGS temporarily.
2180 # We put this in CPPFLAGS where it precedes the other -I options.
2181 OLD_CPPFLAGS=$CPPFLAGS
2183 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2184 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2185 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2187 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2188 if test $emacs_cv_lesstif = yes; then
2189 # Make sure this -I option remains in CPPFLAGS after it is set
2190 # back to REAL_CPPFLAGS.
2191 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2192 # have those other -I options anyway. Ultimately, having this
2193 # directory ultimately in CPPFLAGS will be enough.
2194 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2195 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2198 CPPFLAGS=$OLD_CPPFLAGS
2203 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2204 dnl using Motif or Xaw3d is available, and unless
2205 dnl --with-toolkit-scroll-bars=no was specified.
2207 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2208 [Define to 1 if we should use toolkit scroll bars.])dnl
2209 USE_TOOLKIT_SCROLL_BARS=no
2210 if test "${with_toolkit_scroll_bars}" != "no"; then
2211 if test "${USE_X_TOOLKIT}" != "none"; then
2212 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2213 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2215 USE_TOOLKIT_SCROLL_BARS=yes
2216 elif test "${HAVE_XAW3D}" = "yes"; then
2217 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2218 USE_TOOLKIT_SCROLL_BARS=yes
2220 elif test "${HAVE_GTK}" = "yes"; then
2221 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2222 USE_TOOLKIT_SCROLL_BARS=yes
2223 elif test "${HAVE_NS}" = "yes"; then
2224 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2225 USE_TOOLKIT_SCROLL_BARS=yes
2229 dnl See if XIM is available.
2230 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2231 #include <X11/Xlib.h>
2232 #include <X11/Xresource.h>]],
2233 [[XIMProc callback;]])],
2235 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2238 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2240 if test "${with_xim}" != "no"; then
2241 AC_DEFINE(USE_XIM, 1,
2242 [Define to 1 if we should use XIM, if it is available.])
2246 if test "${HAVE_XIM}" != "no"; then
2248 if test "$GCC" = yes; then
2249 CFLAGS="$CFLAGS --pedantic-errors"
2251 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2252 #include <X11/Xlib.h>
2253 #include <X11/Xresource.h>]],
2259 XPointer *client_data;
2261 /* If we're not using GCC, it's probably not XFree86, and this is
2262 probably right, but we can't use something like --pedantic-errors. */
2263 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2264 char*, XIMProc, XPointer*);
2266 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2268 [emacs_cv_arg6_star=yes])
2269 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2270 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2271 either XPointer or XPointer*.])dnl
2272 if test "$emacs_cv_arg6_star" = yes; then
2273 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2275 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2280 ### Start of font-backend (under any platform) section.
2281 # (nothing here yet -- this is a placeholder)
2282 ### End of font-backend (under any platform) section.
2284 ### Start of font-backend (under X11) section.
2285 if test "${HAVE_X11}" = "yes"; then
2286 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2288 ## Use -lXft if available, unless `--with-xft=no'.
2290 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2293 if test "x${with_xft}" != "xno"; then
2295 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2296 ## Because xftfont.c uses XRenderQueryExtension, we also
2297 ## need to link to -lXrender.
2299 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2300 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2301 OLD_CPPFLAGS="$CPPFLAGS"
2302 OLD_CFLAGS="$CFLAGS"
2304 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2305 CFLAGS="$CFLAGS $XFT_CFLAGS"
2306 XFT_LIBS="-lXrender $XFT_LIBS"
2307 LIBS="$XFT_LIBS $LIBS"
2308 AC_CHECK_HEADER(X11/Xft/Xft.h,
2309 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2311 if test "${HAVE_XFT}" = "yes"; then
2312 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2314 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2316 CPPFLAGS="$OLD_CPPFLAGS"
2317 CFLAGS="$OLD_CFLAGS"
2319 fi # "${HAVE_XFT}" = "yes"
2320 fi # "$HAVE_XFT" != no
2321 fi # "x${with_xft}" != "xno"
2323 ## We used to allow building with FreeType and without Xft.
2324 ## However, the ftx font backend driver is not in good shape.
2325 if test "$HAVE_XFT" != "yes"; then
2326 dnl For the "Does Emacs use" message at the end.
2330 dnl Strict linkers fail with
2331 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2332 dnl if -lfreetype is not specified.
2333 dnl The following is needed to set FREETYPE_LIBS.
2334 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2337 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2341 if test "${HAVE_FREETYPE}" = "yes"; then
2342 AC_DEFINE(HAVE_FREETYPE, 1,
2343 [Define to 1 if using the freetype and fontconfig libraries.])
2344 if test "${with_libotf}" != "no"; then
2345 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2347 if test "$HAVE_LIBOTF" = "yes"; then
2348 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2349 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2350 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2351 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2352 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2353 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2354 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2358 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2359 dnl Does the new font backend require it, or can it work without it?
2363 if test "${HAVE_LIBOTF}" = yes; then
2364 if test "${with_m17n_flt}" != "no"; then
2365 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2366 if test "$HAVE_M17N_FLT" = "yes"; then
2367 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2378 ### End of font-backend (under X11) section.
2380 AC_SUBST(FREETYPE_CFLAGS)
2381 AC_SUBST(FREETYPE_LIBS)
2382 AC_SUBST(FONTCONFIG_CFLAGS)
2383 AC_SUBST(FONTCONFIG_LIBS)
2384 AC_SUBST(LIBOTF_CFLAGS)
2385 AC_SUBST(LIBOTF_LIBS)
2386 AC_SUBST(M17N_FLT_CFLAGS)
2387 AC_SUBST(M17N_FLT_LIBS)
2389 ### Use -lXpm if available, unless `--with-xpm=no'.
2392 if test "${HAVE_X11}" = "yes"; then
2393 if test "${with_xpm}" != "no"; then
2394 AC_CHECK_HEADER(X11/xpm.h,
2395 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2396 if test "${HAVE_XPM}" = "yes"; then
2397 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2398 AC_EGREP_CPP(no_return_alloc_pixels,
2399 [#include "X11/xpm.h"
2400 #ifndef XpmReturnAllocPixels
2401 no_return_alloc_pixels
2403 ], HAVE_XPM=no, HAVE_XPM=yes)
2405 if test "${HAVE_XPM}" = "yes"; then
2413 if test "${HAVE_XPM}" = "yes"; then
2414 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2420 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2423 if test "${HAVE_X11}" = "yes"; then
2424 if test "${with_jpeg}" != "no"; then
2425 dnl Checking for jpeglib.h can lose because of a redefinition of
2427 AC_CHECK_HEADER(jerror.h,
2428 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2431 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2432 if test "${HAVE_JPEG}" = "yes"; then
2433 AC_DEFINE(HAVE_JPEG)
2434 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2435 [#include <jpeglib.h>
2436 version=JPEG_LIB_VERSION
2438 [AC_DEFINE(HAVE_JPEG)],
2439 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2442 if test "${HAVE_JPEG}" = "yes"; then
2448 ### Use -lpng if available, unless `--with-png=no'.
2451 if test "${HAVE_X11}" = "yes"; then
2452 if test "${with_png}" != "no"; then
2453 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2454 # in /usr/include/libpng.
2455 AC_CHECK_HEADERS(png.h libpng/png.h)
2456 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2457 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2461 if test "${HAVE_PNG}" = "yes"; then
2462 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2463 LIBPNG="-lpng -lz -lm"
2468 ### Use -ltiff if available, unless `--with-tiff=no'.
2471 if test "${HAVE_X11}" = "yes"; then
2472 if test "${with_tiff}" != "no"; then
2473 AC_CHECK_HEADER(tiffio.h,
2475 # At least one tiff package requires the jpeg library.
2476 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2477 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2480 if test "${HAVE_TIFF}" = "yes"; then
2481 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2482 dnl FIXME -lz -lm, as per libpng?
2488 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2491 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2492 AC_CHECK_HEADER(gif_lib.h,
2493 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2494 # Earlier versions can crash Emacs.
2495 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2497 if test "$HAVE_GIF" = yes; then
2499 elif test "$HAVE_GIF" = maybe; then
2500 # If gif_lib.h but no libgif, try libungif.
2501 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2502 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2505 if test "${HAVE_GIF}" = "yes"; then
2506 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2511 dnl Check for required libraries.
2512 if test "${HAVE_X11}" = "yes"; then
2515 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2516 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2517 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2518 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2519 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2520 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2521 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2522 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2523 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2524 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2526 if test "X${MISSING}" != X; then
2527 AC_MSG_ERROR([The following required libraries were not found:
2529 Maybe some development libraries/packages are missing?
2530 If you don't want to link with them give
2532 as options to configure])
2536 ### Use -lgpm if available, unless `--with-gpm=no'.
2539 if test "${with_gpm}" != "no"; then
2540 AC_CHECK_HEADER(gpm.h,
2541 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2543 if test "${HAVE_GPM}" = "yes"; then
2544 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2550 dnl Check for malloc/malloc.h on darwin
2551 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.])])
2554 ### Use NeXTstep API to implement GUI.
2555 if test "${HAVE_NS}" = "yes"; then
2556 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2557 if test "${NS_IMPL_COCOA}" = "yes"; then
2558 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2561 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2562 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2563 # See also .m.o rule in Makefile.in */
2564 # FIXME: are all these flags really needed? Document here why. */
2565 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2566 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2568 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2569 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2571 # We also have mouse menus.
2577 ### Use session management (-lSM -lICE) if available
2580 if test "${HAVE_X11}" = "yes"; then
2581 AC_CHECK_HEADER(X11/SM/SMlib.h,
2582 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2584 if test "${HAVE_X_SM}" = "yes"; then
2585 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2589 *) LIBS="$LIBXSM $LIBS" ;;
2595 ### Use libxml (-lxml2) if available
2596 if test "${with_xml2}" != "no"; then
2597 ### I'm not sure what the version number should be, so I just guessed.
2598 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2599 if test "${HAVE_LIBXML2}" = "yes"; then
2600 LIBS="$LIBXML2_LIBS $LIBS"
2601 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2602 if test "${HAVE_LIBXML2}" = "yes"; then
2603 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2610 AC_SUBST(LIBXML2_LIBS)
2611 AC_SUBST(LIBXML2_CFLAGS)
2613 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2614 AC_CACHE_CHECK(whether netdb declares h_errno,
2615 emacs_cv_netdb_declares_h_errno,
2616 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2617 [[return h_errno;]])],
2618 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2619 if test $emacs_cv_netdb_declares_h_errno = yes; then
2620 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2623 # fmod, logb, and frexp are found in -lm on most systems.
2624 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2625 AC_CHECK_LIB(m, sqrt)
2627 # Check for mail-locking functions in a "mail" library. Probably this should
2628 # have the same check as for liblockfile below.
2629 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2630 if test $have_mail = yes; then
2632 LIBS="$LIBS_MAIL $LIBS"
2633 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2637 dnl Debian, at least:
2638 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2639 if test $have_lockfile = yes; then
2640 LIBS_MAIL=-llockfile
2641 LIBS="$LIBS_MAIL $LIBS"
2642 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2644 # If we have the shared liblockfile, assume we must use it for mail
2645 # locking (e.g. Debian). If we couldn't link against liblockfile
2646 # (no liblockfile.a installed), ensure that we don't need to.
2647 dnl This works for files generally, not just executables.
2648 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2649 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2650 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2651 if test $ac_cv_prog_liblockfile = yes; then
2652 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2653 This probably means that movemail could lose mail.
2654 There may be a `development' package to install containing liblockfile.])
2657 AC_CHECK_FUNCS(touchlock)
2658 AC_CHECK_HEADERS(maillock.h)
2661 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2662 ## interlock access to the mail spool. The alternative is a lock file named
2663 ## /usr/spool/mail/$USER.lock.
2666 aix4-2) mail_lock="lockf" ;;
2668 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2670 ## On GNU/Linux systems, both methods are used by various mail programs.
2671 ## I assume most people are using newer mailers that have heard of flock.
2672 ## Change this if you need to.
2673 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2674 ## configure gets the right answers, and that means *NOT* using flock.
2675 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2676 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2677 ## Debian maintainer hasn't provided a clean fix for Emacs.
2678 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2679 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2680 ## correct logic. -- fx
2681 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2682 ## liblockfile is a Free Software replacement for libmail, used on
2683 ## Debian systems and elsewhere. -rfr.
2686 if test $have_mail = yes || test $have_lockfile = yes; then
2687 test $ac_cv_header_maillock_h = yes && mail_lock=no
2693 case "$mail_lock" in
2694 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2696 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2698 *) BLESSMAIL_TARGET="need-blessmail" ;;
2700 AC_SUBST(BLESSMAIL_TARGET)
2703 AC_CHECK_FUNCS(gethostname getdomainname \
2704 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2705 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2706 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2707 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2708 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm strchr strrchr \
2709 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2710 gai_strerror mkstemp getline getdelim mremap memmove fsync sync \
2711 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2712 cfmakeraw cfsetspeed isnan copysign __executable_start)
2714 dnl Cannot use AC_CHECK_FUNCS
2715 AC_CACHE_CHECK([for __builtin_unwind_init],
2716 emacs_cv_func___builtin_unwind_init,
2717 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2718 emacs_cv_func___builtin_unwind_init=yes,
2719 emacs_cv_func___builtin_unwind_init=no)])
2720 if test $emacs_cv_func___builtin_unwind_init = yes; then
2721 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2722 [Define to 1 if you have the `__builtin_unwind_init' function.])
2725 AC_CHECK_HEADERS(sys/un.h)
2732 AC_CHECK_FUNCS(grantpt)
2734 # PTY-related GNU extensions.
2735 AC_CHECK_FUNCS(getpt)
2737 # Check this now, so that we will NOT find the above functions in ncurses.
2738 # That is because we have not set up to link ncurses in lib-src.
2739 # It's better to believe a function is not available
2740 # than to expect to find it in ncurses.
2741 # Also we need tputs and friends to be able to build at all.
2742 have_tputs_et_al=true
2743 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2744 if test "$have_tputs_et_al" != true; then
2745 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2746 Maybe some development libraries/packages are missing? Try installing
2747 libncurses-dev(el), libterminfo-dev(el) or similar.])
2749 # Must define this when any termcap library is found.
2750 AC_DEFINE(HAVE_LIBNCURSES, 1,
2751 [Define to 1 if you have the `ncurses' library (-lncurses).])
2752 ## FIXME This was the cpp logic, but I am not sure it is right.
2753 ## The above test has not necessarily found libncurses.
2756 ## Use terminfo instead of termcap?
2757 ## Note only system files NOT using terminfo are:
2758 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2759 ## darwin|gnu without ncurses.
2763 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2764 ## hpux10-20: Use the system provided termcap(3) library.
2765 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2766 ## is necessary. Otherwise Emacs dumps core when run -nw.
2767 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2769 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2770 ## The ncurses library has been moved out of the System framework in
2771 ## Mac OS X 10.2. So if configure detects it, set the command-line
2772 ## option to use it.
2774 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2775 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2777 LIBS_TERMCAP="-lncurses"
2782 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2783 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2784 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2785 [[#if __FreeBSD_version < 400000
2788 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2790 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2792 if test $emacs_cv_freebsd_terminfo = yes; then
2794 LIBS_TERMCAP="-lncurses"
2796 LIBS_TERMCAP="-ltermcap"
2801 if test $ac_cv_search_tputs = -lterminfo; then
2803 LIBS_TERMCAP="-lterminfo"
2805 LIBS_TERMCAP="-ltermcap"
2812 ## hpux: Make sure we get select from libc rather than from libcurses
2813 ## because libcurses on HPUX 10.10 has a broken version of select.
2814 ## We used to use -lc -lcurses, but this may be cleaner.
2815 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2817 openbsd) LIBS_TERMCAP="-lncurses" ;;
2819 ## Must use system termcap, if we use any termcap. It does special things.
2820 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2823 TERMCAP_OBJ=tparam.o
2824 if test $TERMINFO = yes; then
2825 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2827 ## Default used to be -ltermcap. Add a case above if need something else.
2828 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2830 TERMCAP_OBJ=terminfo.o
2832 AC_SUBST(LIBS_TERMCAP)
2833 AC_SUBST(TERMCAP_OBJ)
2836 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2838 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2839 #include <arpa/nameser.h>
2840 #include <resolv.h>]],
2841 [[return res_init();]])],
2842 have_res_init=yes, have_res_init=no)
2843 if test "$have_res_init" = no; then
2845 LIBS="$LIBS -lresolv"
2846 AC_MSG_CHECKING(for res_init with -lresolv)
2847 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2848 #include <arpa/nameser.h>
2849 #include <resolv.h>]],
2850 [[return res_init();]])],
2851 have_res_init=yes, have_res_init=no)
2852 AC_MSG_RESULT($have_res_init)
2853 if test "$have_res_init" = yes ; then
2859 if test "$have_res_init" = yes; then
2860 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2863 # Do we need the Hesiod library to provide the support routines?
2865 if test "$with_hesiod" != no ; then
2866 # Don't set $LIBS here -- see comments above. FIXME which comments?
2867 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2868 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2869 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2870 if test "$resolv" = yes ; then
2875 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2876 hesiod=yes, :, $RESOLVLIB)])
2878 if test x"$hesiod" = xyes; then
2879 AC_DEFINE(HAVE_LIBHESIOD, 1,
2880 [Define to 1 if you have the hesiod library (-lhesiod).])
2886 # Do we need libresolv (due to res_init or Hesiod)?
2887 if test "$resolv" = yes ; then
2888 AC_DEFINE(HAVE_LIBRESOLV, 1,
2889 [Define to 1 if you have the resolv library (-lresolv).])
2896 # These tell us which Kerberos-related libraries to use.
2903 if test "${with_kerberos}" != no; then
2904 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2905 if test $have_com_err = yes; then
2906 COM_ERRLIB=-lcom_err
2907 LIBS="$COM_ERRLIB $LIBS"
2908 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2910 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2911 if test $have_crypto = yes; then
2913 LIBS="$CRYPTOLIB $LIBS"
2914 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2916 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2917 if test $have_k5crypto = yes; then
2918 CRYPTOLIB=-lk5crypto
2919 LIBS="$CRYPTOLIB $LIBS"
2920 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2922 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2923 if test $have_krb5=yes; then
2925 LIBS="$KRB5LIB $LIBS"
2926 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2928 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2929 if test "${with_kerberos5}" = no; then
2930 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2931 if test $have_des425 = yes; then
2933 LIBS="$DESLIB $LIBS"
2934 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2936 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2937 if test $have_des = yes; then
2939 LIBS="$DESLIB $LIBS"
2940 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2943 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2944 if test $have_krb4 = yes; then
2946 LIBS="$KRB4LIB $LIBS"
2947 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2949 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2950 if test $have_krb = yes; then
2952 LIBS="$KRB4LIB $LIBS"
2953 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2958 if test "${with_kerberos5}" != no; then
2959 AC_CHECK_HEADERS(krb5.h,
2960 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2961 [#include <krb5.h>])])
2963 AC_CHECK_HEADERS(des.h,,
2964 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2965 [AC_CHECK_HEADERS(kerberos/des.h)])])
2966 AC_CHECK_HEADERS(krb.h,,
2967 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2968 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2970 AC_CHECK_HEADERS(com_err.h)
2973 AC_SUBST(COM_ERRLIB)
2979 # Solaris requires -lintl if you want strerror (which calls dgettext)
2980 # to return localized messages.
2981 AC_CHECK_LIB(intl, dgettext)
2983 AC_MSG_CHECKING(whether localtime caches TZ)
2984 AC_CACHE_VAL(emacs_cv_localtime_cache,
2985 [if test x$ac_cv_func_tzset = xyes; then
2986 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2987 char TZ_GMT0[] = "TZ=GMT0";
2988 char TZ_PST8[] = "TZ=PST8";
2991 time_t now = time ((time_t *) 0);
2992 int hour_GMT0, hour_unset;
2993 if (putenv (TZ_GMT0) != 0)
2995 hour_GMT0 = localtime (&now)->tm_hour;
2997 hour_unset = localtime (&now)->tm_hour;
2998 if (putenv (TZ_PST8) != 0)
3000 if (localtime (&now)->tm_hour == hour_GMT0)
3003 if (localtime (&now)->tm_hour != hour_unset)
3006 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3007 [# If we have tzset, assume the worst when cross-compiling.
3008 emacs_cv_localtime_cache=yes])
3010 # If we lack tzset, report that localtime does not cache TZ,
3011 # since we can't invalidate the cache if we don't have tzset.
3012 emacs_cv_localtime_cache=no
3014 AC_MSG_RESULT($emacs_cv_localtime_cache)
3015 if test $emacs_cv_localtime_cache = yes; then
3016 AC_DEFINE(LOCALTIME_CACHE, 1,
3017 [Define to 1 if localtime caches TZ.])
3020 if test "x$HAVE_TIMEVAL" = xyes; then
3021 AC_CHECK_FUNCS(gettimeofday)
3022 if test $ac_cv_func_gettimeofday = yes; then
3023 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3024 emacs_cv_gettimeofday_two_arguments,
3025 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3026 #ifdef TIME_WITH_SYS_TIME
3027 #include <sys/time.h>
3030 #ifdef HAVE_SYS_TIME_H
3031 #include <sys/time.h>
3036 [[struct timeval time;
3037 gettimeofday (&time, 0);]])],
3038 emacs_cv_gettimeofday_two_arguments=yes,
3039 emacs_cv_gettimeofday_two_arguments=no)])
3040 if test $emacs_cv_gettimeofday_two_arguments = no; then
3041 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3042 [Define to 1 if gettimeofday accepts only one argument.])
3048 AC_CHECK_FUNC(socket, , ok_so_far=no)
3049 if test $ok_so_far = yes; then
3050 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3052 if test $ok_so_far = yes; then
3053 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3055 if test $ok_so_far = yes; then
3056 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3057 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3058 [Define to 1 if you have inet sockets.])
3061 if test -f /usr/lpp/X11/bin/smt.exp; then
3062 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3063 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3066 AC_MSG_CHECKING(whether system supports dynamic ptys)
3067 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3069 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3076 dnl Adapted from Haible's version.
3077 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3078 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3079 [[char* cs = nl_langinfo(CODESET);]])],
3080 emacs_cv_langinfo_codeset=yes,
3081 emacs_cv_langinfo_codeset=no)
3083 if test $emacs_cv_langinfo_codeset = yes; then
3084 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3085 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3090 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3091 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3092 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3093 if test "$emacs_cv_c_restrict_arr" = yes; then
3094 AC_DEFINE(__restrict_arr, __restrict,
3095 [Define to compiler's equivalent of C99 restrict keyword in array
3096 declarations. Define as empty for no equivalent.])
3099 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3100 dnl how the tty code is related to POSIX and/or other versions of termios.
3101 dnl The following looks like a useful start.
3103 dnl AC_SYS_POSIX_TERMIOS
3104 dnl if test $ac_cv_sys_posix_termios = yes; then
3105 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3106 dnl and macros for terminal control.])
3107 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3110 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
3112 # Set up the CFLAGS for real compilation, so we can substitute it.
3113 CFLAGS="$REAL_CFLAGS"
3114 CPPFLAGS="$REAL_CPPFLAGS"
3116 ## Hack to detect a buggy GCC version.
3117 if test "x$GCC" = xyes \
3118 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3119 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3120 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3121 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3124 version=$PACKAGE_VERSION
3126 ### Specify what sort of things we'll be editing into Makefile and config.h.
3127 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3129 AC_SUBST(configuration)
3134 AC_SUBST(exec_prefix)
3137 AC_SUBST(sharedstatedir)
3138 AC_SUBST(libexecdir)
3142 AC_SUBST(locallisppath)
3144 AC_SUBST(x_default_search_path)
3146 AC_SUBST(archlibdir)
3151 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3152 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3153 ## end of LIBX_BASE, but nothing ever set it.
3154 AC_SUBST(LD_SWITCH_X_SITE)
3155 AC_SUBST(C_SWITCH_X_SITE)
3156 AC_SUBST(C_SWITCH_X_SYSTEM)
3158 ## Used in lwlib/Makefile.in.
3159 AC_SUBST(X_TOOLKIT_TYPE)
3160 if test -n "${machfile}"; then
3161 M_FILE="\$(srcdir)/${machfile}"
3165 S_FILE="\$(srcdir)/${opsysfile}"
3169 AC_SUBST(ns_appbindir)
3170 AC_SUBST(ns_appresdir)
3172 AC_SUBST(GNU_OBJC_CFLAGS)
3173 AC_SUBST(OTHER_FILES)
3175 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3176 [Define to the canonical Emacs configuration name.])
3177 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3178 [Define to the options passed to configure.])
3179 if test -n "$machfile"; then
3180 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3181 [Define to the used machine dependent file.])
3183 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3184 [Define to the used os dependent file.])
3189 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3190 AC_DEFINE(HAVE_X_WINDOWS, 1,
3191 [Define to 1 if you want to use the X window system.])
3193 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3195 if test "$HAVE_XFT" = "yes"; then
3196 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3197 elif test "$HAVE_FREETYPE" = "yes"; then
3198 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3208 if test "${USE_X_TOOLKIT}" != "none" ; then
3210 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3211 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3212 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3213 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3214 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3218 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3219 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3223 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3224 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3225 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3229 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3230 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3233 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3236 AC_SUBST(WIDGET_OBJ)
3239 case "$USE_X_TOOLKIT" in
3240 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3241 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3242 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3244 AC_SUBST(TOOLKIT_LIBW)
3246 if test "$USE_X_TOOLKIT" = "none"; then
3247 LIBXT_OTHER="\$(LIBXSM)"
3248 OLDXMENU_TARGET="really-oldXMenu"
3250 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3251 OLDXMENU_TARGET="really-lwlib"
3253 AC_SUBST(LIBXT_OTHER)
3255 ## The X Menu stuff is present in the X10 distribution, but missing
3256 ## from X11. If we have X10, just use the installed library;
3257 ## otherwise, use our own copy.
3258 if test "${HAVE_X11}" = "yes" ; then
3259 AC_DEFINE(HAVE_X11, 1,
3260 [Define to 1 if you want to use version 11 of X windows.
3261 Otherwise, Emacs expects to use version 10.])
3263 if test "$USE_X_TOOLKIT" = "none"; then
3264 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3266 OLDXMENU="\${lwlibdir}/liblw.a"
3268 LIBXMENU="\$(OLDXMENU)"
3269 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3270 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3272 ## For a syntactically valid Makefile; not actually used for anything.
3273 ## See comments in src/Makefile.in.
3275 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3276 if test "${HAVE_X_WINDOWS}" = "yes"; then
3285 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3292 AC_SUBST(OLDXMENU_TARGET)
3295 AC_SUBST(LIBX_OTHER)
3296 AC_SUBST(OLDXMENU_DEPS)
3298 if test "${HAVE_MENUS}" = "yes" ; then
3299 AC_DEFINE(HAVE_MENUS, 1,
3300 [Define to 1 if you have mouse menus.
3301 (This is automatic if you use X, but the option to specify it remains.)
3302 It is also defined with other window systems that support xmenu.c.])
3305 if test "${GNU_MALLOC}" = "yes" ; then
3306 AC_DEFINE(GNU_MALLOC, 1,
3307 [Define to 1 if you want to use the GNU memory allocator.])
3311 if test "${REL_ALLOC}" = "yes" ; then
3312 AC_DEFINE(REL_ALLOC, 1,
3313 [Define REL_ALLOC if you want to use the relocating allocator for
3316 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3318 AC_SUBST(RALLOC_OBJ)
3320 if test "$opsys" = "cygwin"; then
3321 CYGWIN_OBJ="sheap.o"
3322 ## Cygwin differs because of its unexec().
3324 POST_ALLOC_OBJ=lastfile.o
3327 PRE_ALLOC_OBJ=lastfile.o
3330 AC_SUBST(CYGWIN_OBJ)
3331 AC_SUBST(PRE_ALLOC_OBJ)
3332 AC_SUBST(POST_ALLOC_OBJ)
3334 # Configure gnulib here, now that we know LIBS.
3335 gl_ASSERT_NO_GNULIB_POSIXCHECK
3336 gl_ASSERT_NO_GNULIB_TESTS
3340 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3343 ## The -headerpad option tells ld (see man page) to leave room at the
3344 ## end of the header for adding load commands. Needed for dumping.
3345 ## 0x690 is the total size of 30 segment load commands (at 56
3346 ## each); under Cocoa 31 commands are required.
3347 if test "$HAVE_NS" = "yes"; then
3348 libs_nsgui="-framework AppKit"
3354 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3356 ## This is here because src/Makefile.in did some extra fiddling around
3357 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3358 ## #ifndef LD_SWITCH_SYSTEM
3359 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3360 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3361 ## not using gcc, darwin system not on an alpha (ie darwin, since
3362 ## darwin + alpha does not occur).
3363 ## Because this was done in src/Makefile.in, the resulting part of
3364 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3365 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3366 ## rather than LD_SWITCH_SYSTEM.
3367 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3368 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3371 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3372 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3373 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3374 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3375 ## had different values in configure (in ac_link) and src/Makefile.in.
3376 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3377 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3379 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3382 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3383 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3386 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3392 ## gnu: GNU needs its own crt0.
3393 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3395 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3396 ## library search parth, i.e. it won't search /usr/lib for libc and
3397 ## friends. Using -nostartfiles instead avoids this problem, and
3398 ## will also work on earlier NetBSD releases.
3399 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3401 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3402 ## MkLinux/LinuxPPC needs this.
3403 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3406 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3412 if test "x$ORDINARY_LINK" = "xyes"; then
3415 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3417 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3418 ## freebsd, gnu-* not on macppc|ibms390x.
3419 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3421 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3422 ## places that are difficult to figure out at make time. Fortunately,
3423 ## these same versions allow you to pass arbitrary flags on to the
3424 ## linker, so there is no reason not to use it as a linker.
3426 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3427 ## searching for libraries in its internal directories, so we have to
3428 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3429 LD_FIRSTFLAG="-nostdlib"
3432 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3433 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3435 AC_SUBST(LD_FIRSTFLAG)
3438 ## FIXME? The logic here is not precisely the same as that above.
3439 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3440 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3442 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3445 freebsd|netbsd|openbsd) LIB_GCC= ;;
3448 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3449 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3455 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3456 ## immediately undefine it again and redefine it to empty.
3457 ## Was the C_SWITCH_X_SITE part really necessary?
3458 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3464 ## Ask GCC where to find libgcc.a.
3465 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3471 ## If we're using X11/GNUstep, define some consequences.
3472 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3473 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3474 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3478 AH_TOP([/* GNU Emacs site configuration template file.
3480 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3481 Free Software Foundation, Inc.
3483 This file is part of GNU Emacs.
3485 GNU Emacs is free software: you can redistribute it and/or modify
3486 it under the terms of the GNU General Public License as published by
3487 the Free Software Foundation, either version 3 of the License, or
3488 (at your option) any later version.
3490 GNU Emacs is distributed in the hope that it will be useful,
3491 but WITHOUT ANY WARRANTY; without even the implied warranty of
3492 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3493 GNU General Public License for more details.
3495 You should have received a copy of the GNU General Public License
3496 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3499 /* No code in Emacs #includes config.h twice, but some bits of code
3500 intended to work with other packages as well (like gmalloc.c)
3501 think they can include it as many times as they like. */
3502 #ifndef EMACS_CONFIG_H
3503 #define EMACS_CONFIG_H
3507 /* On AIX 3 this must be included before any other include file. */
3510 # error "alloca not available on this machine"
3513 /* Define AMPERSAND_FULL_NAME if you use the convention
3514 that & in the full name stands for the login id. */
3515 /* Turned on June 1996 supposing nobody will mind it. */
3516 #define AMPERSAND_FULL_NAME
3518 /* `subprocesses' should be defined if you want to
3519 have code for asynchronous subprocesses
3520 (as used in M-x compile and M-x shell).
3521 Only MSDOS does not support this (it overrides
3522 this in its config_opsysfile below). */
3524 #define subprocesses
3526 /* Include the os and machine dependent files. */
3527 #include config_opsysfile
3528 #ifdef config_machfile
3529 # include config_machfile
3532 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3533 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3534 (There is probably a better place to do this, but right now the
3535 Cocoa side does this in s/darwin.h and we cannot parallel this
3536 exactly since GNUstep is multi-OS. */
3537 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3538 # define SYSTEM_PURESIZE_EXTRA 30000
3541 #ifdef emacs /* Don't do this for lib-src. */
3542 /* Tell regex.c to use a type compatible with Emacs. */
3543 #define RE_TRANSLATE_TYPE Lisp_Object
3544 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3546 /* If make_number is a macro, use it. */
3547 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3549 /* If make_number is a function, avoid it. */
3550 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3554 /* These default definitions are good for almost all machines.
3555 Any exceptions should override them in m/MACHINE.h.
3556 They must be usable in preprocessor conditionals. */
3558 #ifndef BITS_PER_CHAR
3559 #define BITS_PER_CHAR 8
3562 #ifndef BITS_PER_SHORT
3563 #define BITS_PER_SHORT 16
3566 #ifndef BITS_PER_INT
3567 #define BITS_PER_INT 32
3570 #ifndef BITS_PER_LONG
3572 #define BITS_PER_LONG 64
3574 #define BITS_PER_LONG 32
3578 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3579 #define BITS_PER_LONG_LONG 64
3582 /* Define if the compiler supports function prototypes. It may do so but
3583 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3590 #define strchr(a, b) index (a, b)
3593 #ifndef HAVE_STRRCHR
3594 #define strrchr(a, b) rindex (a, b)
3597 #if defined __GNUC__ && (__GNUC__ > 2 \
3598 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3599 #define NO_RETURN __attribute__ ((__noreturn__))
3601 #define NO_RETURN /* nothing */
3604 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3605 #define NO_INLINE __attribute__((noinline))
3610 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3611 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3613 #define EXTERNALLY_VISIBLE
3616 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3617 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3619 # define ATTRIBUTE_FORMAT(spec) /* empty */
3622 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3623 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3624 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3626 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3627 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3630 /* Some versions of GNU/Linux define noinline in their headers. */
3635 /* These won't be used automatically yet. We also need to know, at least,
3636 that the stack is continuous. */
3638 # ifndef GC_SETJMP_WORKS
3639 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3640 # define GC_SETJMP_WORKS 1
3642 # ifndef GC_LISP_OBJECT_ALIGNMENT
3643 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3647 #endif /* EMACS_CONFIG_H */
3656 #### Report on what we decided to do.
3657 #### Report GTK as a toolkit, even if it doesn't use Xt.
3658 #### It makes printing result more understandable as using GTK sets
3659 #### toolkit_scroll_bars to yes by default.
3660 if test "${HAVE_GTK}" = "yes"; then
3665 if test -n "$machfile"; then
3666 and_machfile=" and \`${machfile}'"
3670 Configured for \`${canonical}'.
3672 Where should the build process find the source code? ${srcdir}
3673 What operating system and machine description files should Emacs use?
3674 \`${opsysfile}'${and_machfile}
3675 What compiler should emacs be built with? ${CC} ${CFLAGS}
3676 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3677 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3678 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3679 What window system should Emacs use? ${window_system}
3680 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3682 if test -n "${x_includes}"; then
3683 echo " Where do we find X Windows header files? ${x_includes}"
3685 echo " Where do we find X Windows header files? Standard dirs"
3687 if test -n "${x_libraries}"; then
3688 echo " Where do we find X Windows libraries? ${x_libraries}"
3690 echo " Where do we find X Windows libraries? Standard dirs"
3693 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3694 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3695 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3696 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3697 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3698 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3699 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3700 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3702 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3703 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3704 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3705 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3706 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3707 echo " Does Emacs use -lgnutls (2.6.x or higher)? ${HAVE_GNUTLS}"
3708 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3710 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3711 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3712 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3713 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3715 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3718 if test $USE_XASSERTS = yes; then
3719 echo " Compiling with asserts turned on."
3720 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3725 if test "$HAVE_NS" = "yes"; then
3727 echo "You must run \"make install\" in order to test the built application.
3728 The installed application will go to nextstep/Emacs.app and can be
3729 run or moved from there."
3730 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3731 echo "The application will be fully self-contained."
3733 echo "The lisp resources for the application will be installed under ${prefix}.
3734 You may need to run \"make install\" with sudo. The application will fail
3735 to run if these resources are not installed."
3741 # Remove any trailing slashes in these variables.
3742 [test "${prefix}" != NONE &&
3743 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3744 test "${exec_prefix}" != NONE &&
3745 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3747 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3748 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3749 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3750 dnl (else you get "no `Makefile.am' found for any configure output").
3751 dnl This will work, but you get a config.status that is not quite right
3752 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3753 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3754 dnl it seems better to just live with the duplication.
3755 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"
3757 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3758 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3759 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3762 dnl test/ is not present in release tarfiles.
3763 opt_makefile=test/automated/Makefile
3765 if test -f $srcdir/${opt_makefile}.in; then
3766 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3767 dnl Again, it's best not to use a variable. Though you can add
3768 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3769 AC_CONFIG_FILES([test/automated/Makefile])
3772 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3774 AC_SUBST(SUBDIR_MAKEFILES_IN)
3776 dnl Make the necessary directories, if they don't exist.
3777 AC_CONFIG_COMMANDS([mkdirs], [
3778 for dir in etc lisp ; do
3779 test -d ${dir} || mkdir ${dir}
3783 dnl You might wonder (I did) why epaths.h is generated by running make,
3784 dnl rather than just letting configure generate it from epaths.in.
3785 dnl One reason is that the various paths are not fully expanded (see above);
3786 dnl eg gamedir=${prefix}/var/games/emacs.
3787 dnl Secondly, the GNU Coding standards require that one should be able
3788 dnl to run `make prefix=/some/where/else' and override the values set
3789 dnl by configure. This also explains the `move-if-change' test and
3790 dnl the use of force in the `epaths-force' rule in Makefile.in.
3791 AC_CONFIG_COMMANDS([epaths], [
3792 echo creating src/epaths.h
3793 ${MAKE-make} epaths-force
3794 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3796 AC_CONFIG_COMMANDS([gdbinit], [
3797 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3798 echo creating src/.gdbinit
3799 echo source $srcdir/src/.gdbinit > src/.gdbinit
3805 dnl configure.in ends here