1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2011 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.0.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
30 dnl Support for --program-prefix, --program-suffix and
31 dnl --program-transform-name options
34 dnl It is important that variables on the RHS not be expanded here,
35 dnl hence the single quotes. This is per the GNU coding standards, see
36 dnl (autoconf) Installation Directory Variables
37 dnl See also epaths.h below.
38 lispdir='${datadir}/emacs/${version}/lisp'
39 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
40 '${datadir}/emacs/site-lisp'
41 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
42 etcdir='${datadir}/emacs/${version}/etc'
43 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
44 docdir='${datadir}/emacs/${version}/etc'
45 gamedir='${localstatedir}/games/emacs'
47 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
48 dnl Create a new --with option that defaults to being disabled.
49 dnl NAME is the base name of the option. The shell variable with_NAME
50 dnl will be set to either the user's value (if the option is
51 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
52 dnl option is not specified). Note that the shell variable name is
53 dnl constructed as autoconf does, by replacing non-alphanumeric
54 dnl characters with "_".
55 dnl HELP-STRING is the help text for the option.
56 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
57 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
58 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
61 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
62 dnl Create a new --with option that defaults to being enabled. NAME
63 dnl is the base name of the option. The shell variable with_NAME
64 dnl will be set either to 'no' (for a plain --without-NAME) or to
65 dnl 'yes' (if the option is not specified). Note that the shell
66 dnl variable name is constructed as autoconf does, by replacing
67 dnl non-alphanumeric characters with "_".
68 dnl HELP-STRING is the help text for the option.
69 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
70 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
71 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
74 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
75 if test "$with_pop" = yes; then
76 AC_DEFINE(MAIL_USE_POP)
78 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
80 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
81 if test "$with_kerberos" != no; then
85 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
87 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
88 if test "${with_kerberos5}" != no; then
89 if test "${with_kerberos}" = no; then
93 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
96 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
97 dnl FIXME hesiod support may not be present, so it seems like an error
98 dnl to define, or at least use, this unconditionally.
99 if test "$with_hesiod" != no; then
100 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
103 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
104 if test "$with_mmdf" != no; then
105 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
108 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
109 if test "$with_mail_unlink" != no; then
110 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
113 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
114 [string giving default POP mail host])],
115 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
117 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
119 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
120 if test "$with_sync_input" = yes; then
121 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
124 dnl FIXME currently it is not the last.
125 dnl This should be the last --with option, because --with-x is
126 dnl added later on when we find the path of X, and it's best to
127 dnl keep them together visually.
128 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
129 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
130 [ case "${withval}" in
131 y | ye | yes ) val=gtk ;;
133 l | lu | luc | luci | lucid ) val=lucid ;;
134 a | at | ath | athe | athen | athena ) val=athena ;;
135 m | mo | mot | moti | motif ) val=motif ;;
136 g | gt | gtk ) val=gtk ;;
139 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
140 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
141 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
147 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
148 if test "$with_wide_int" = yes; then
149 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
152 dnl _ON results in a '--without' option in the --help output, so
153 dnl the help text should refer to "don't compile", etc.
154 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
155 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
156 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
157 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
158 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
159 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
160 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
161 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
163 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
164 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
165 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
167 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
168 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
169 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
170 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
172 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
173 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
174 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
175 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
176 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
177 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
179 ## For the times when you want to build Emacs but don't have
180 ## a suitable makeinfo, and can live without the manuals.
181 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
182 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
184 ## This is an option because I do not know if all info/man support
185 ## compressed files, nor how to test if they do so.
186 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
187 if test $with_compress_info = yes; then
194 AC_ARG_WITH([pkg-config-prog],dnl
195 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
196 [path to pkg-config for finding GTK and librsvg])])
197 if test "X${with_pkg_config_prog}" != X; then
198 if test "${with_pkg_config_prog}" != yes; then
199 PKG_CONFIG="${with_pkg_config_prog}"
204 AC_ARG_WITH([crt-dir],dnl
205 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
206 The default is /usr/lib, or /usr/lib64 on some platforms.])])
207 CRT_DIR="${with_crt_dir}"
209 AC_ARG_WITH(gameuser,dnl
210 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
211 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
212 && gameuser="${with_gameuser}"
213 test "X$gameuser" = X && gameuser=games
215 AC_ARG_WITH([gnustep-conf],dnl
216 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
217 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
218 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
219 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
220 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
222 AC_ARG_ENABLE(ns-self-contained,
223 [AS_HELP_STRING([--disable-ns-self-contained],
224 [disable self contained build under NeXTstep])],
225 EN_NS_SELF_CONTAINED=$enableval,
226 EN_NS_SELF_CONTAINED=yes)
228 AC_ARG_ENABLE(asserts,
229 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
230 USE_XASSERTS=$enableval,
233 AC_ARG_ENABLE(maintainer-mode,
234 [AS_HELP_STRING([--enable-maintainer-mode],
235 [enable make rules and dependencies not useful (and sometimes
236 confusing) to the casual installer])],
237 USE_MAINTAINER_MODE=$enableval,
238 USE_MAINTAINER_MODE=yes)
239 if test $USE_MAINTAINER_MODE = yes; then
246 AC_ARG_ENABLE(locallisppath,
247 [AS_HELP_STRING([--enable-locallisppath=PATH],
248 [directories Emacs should search for lisp files specific
250 if test "${enableval}" = "no"; then
252 elif test "${enableval}" != "yes"; then
253 locallisppath=${enableval}
256 AC_ARG_ENABLE(checking,
257 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
258 [enable expensive run-time checks. With LIST,
259 enable only specific categories of checks.
260 Categories are: all,yes,no.
261 Flags are: stringbytes, stringoverrun, stringfreelist,
262 xmallocoverrun, conslist])],
263 [ac_checking_flags="${enableval}"],[])
264 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
265 for check in $ac_checking_flags
268 # these set all the flags to specific states
269 yes) ac_enable_checking=1 ;;
270 no) ac_enable_checking= ;
271 ac_gc_check_stringbytes= ;
272 ac_gc_check_string_overrun= ;
273 ac_gc_check_string_free_list= ;
274 ac_xmalloc_overrun= ;
275 ac_gc_check_cons_list= ;;
276 all) ac_enable_checking=1 ;
277 ac_gc_check_stringbytes=1 ;
278 ac_gc_check_string_overrun=1 ;
279 ac_gc_check_string_free_list=1 ;
280 ac_xmalloc_overrun=1 ;
281 ac_gc_check_cons_list=1 ;;
282 # these enable particular checks
283 stringbytes) ac_gc_check_stringbytes=1 ;;
284 stringoverrun) ac_gc_check_string_overrun=1 ;;
285 stringfreelist) ac_gc_check_string_free_list=1 ;;
286 xmallocoverrun) ac_xmalloc_overrun=1 ;;
287 conslist) ac_gc_check_cons_list=1 ;;
288 *) AC_MSG_ERROR(unknown check category $check) ;;
293 if test x$ac_enable_checking != x ; then
294 AC_DEFINE(ENABLE_CHECKING, 1,
295 [Enable expensive run-time checking of data types?])
297 if test x$ac_gc_check_stringbytes != x ; then
298 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
299 [Define this temporarily to hunt a bug. If defined, the size of
300 strings is redundantly recorded in sdata structures so that it can
301 be compared to the sizes recorded in Lisp strings.])
303 if test x$ac_gc_check_string_overrun != x ; then
304 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
305 [Define this to check for short string overrun.])
307 if test x$ac_gc_check_string_free_list != x ; then
308 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
309 [Define this to check the string free list.])
311 if test x$ac_xmalloc_overrun != x ; then
312 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
313 [Define this to check for malloc buffer overrun.])
315 if test x$ac_gc_check_cons_list != x ; then
316 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
317 [Define this to check for errors in cons list.])
320 AC_ARG_ENABLE(use-lisp-union-type,
321 [AS_HELP_STRING([--enable-use-lisp-union-type],
322 [use a union for the Lisp_Object data type.
323 This is only useful for development for catching certain types of bugs.])],
324 if test "${enableval}" != "no"; then
325 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
326 [Define this to use a lisp union for the Lisp_Object data type.])
330 AC_ARG_ENABLE(profiling,
331 [AS_HELP_STRING([--enable-profiling],
332 [build emacs with profiling support.
333 This might not work on all platforms])],
334 [ac_enable_profiling="${enableval}"],[])
335 if test x$ac_enable_profiling != x ; then
336 PROFILING_CFLAGS="-DPROFILING=1 -pg"
340 AC_SUBST(PROFILING_CFLAGS)
342 AC_ARG_ENABLE(autodepend,
343 [AS_HELP_STRING([--enable-autodepend],
344 [automatically generate dependencies to .h-files.
345 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
347 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
349 #### Make srcdir absolute, if it isn't already. It's important to
350 #### avoid running the path through pwd unnecessarily, since pwd can
351 #### give you automounter prefixes, which can go away. We do all this
352 #### so Emacs can find its files when run uninstalled.
353 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
358 ## We may be able to use the $PWD environment variable to make this
359 ## absolute. But sometimes PWD is inaccurate.
360 ## Note: we used to use ${PWD} at the end instead of `pwd`,
361 ## but that tested only for a well-formed and valid PWD,
362 ## it did not object when PWD was well-formed and valid but just wrong.
363 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
367 srcdir="`(cd ${srcdir}; pwd)`"
370 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
373 #### Given the configuration name, set machfile and opsysfile to the
374 #### names of the m/*.h and s/*.h files we should use.
376 ### Canonicalize the configuration name.
380 configuration=${host_alias-${build_alias-$host}}
382 dnl This used to use changequote, but, apart from `changequote is evil'
383 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
384 dnl the great gob of text. Thus it's not processed for possible expansion.
385 dnl Just make sure the brackets remain balanced.
387 dnl Since Emacs can't find matching pairs of quotes, boundaries are
388 dnl indicated by comments.
392 ### If you add support for a new configuration, add code to this
393 ### switch statement to recognize your configuration name and select
394 ### the appropriate operating system and machine description files.
396 ### You would hope that you could choose an m/*.h file pretty much
397 ### based on the machine portion of the configuration name, and an s/*.h
398 ### file based on the operating system portion. However, it turns out
399 ### that each m/*.h file is pretty manufacturer-specific - for
400 ### example mips.h is MIPS
401 ### So we basically have to have a special case for each
402 ### configuration name.
404 ### As far as handling version numbers on operating systems is
405 ### concerned, make sure things will fail in a fixable way. If
406 ### /etc/MACHINES doesn't say anything about version numbers, be
407 ### prepared to handle anything reasonably. If version numbers
408 ### matter, be sure /etc/MACHINES says something about it.
410 machine='' opsys='' unported=no
411 case "${canonical}" in
417 alpha*) machine=alpha ;;
418 s390-*) machine=ibms390 ;;
419 s390x-*) machine=ibms390x ;;
420 powerpc*) machine=macppc ;;
421 sparc*) machine=sparc ;;
422 ia64*) machine=ia64 ;;
423 m68k*) machine=m68k ;;
424 x86_64*) machine=amdx86-64 ;;
431 case "${canonical}" in
432 alpha*) machine=alpha ;;
433 amd64-*|x86_64-*) machine=amdx86-64 ;;
434 ia64-*) machine=ia64 ;;
435 i[3456]86-*) machine=intel386 ;;
436 powerpc-*) machine=macppc ;;
437 sparc-*) machine=sparc ;;
438 sparc64-*) machine=sparc ;;
442 ## FreeBSD kernel + glibc based userland
445 case "${canonical}" in
446 alpha*) machine=alpha ;;
447 amd64-*|x86_64-*) machine=amdx86-64 ;;
448 ia64-*) machine=ia64 ;;
449 i[3456]86-*) machine=intel386 ;;
450 powerpc-*) machine=macppc ;;
451 sparc-*) machine=sparc ;;
452 sparc64-*) machine=sparc ;;
459 case "${canonical}" in
460 alpha*) machine=alpha ;;
461 x86_64-*) machine=amdx86-64 ;;
462 i[3456]86-*) machine=intel386 ;;
463 m68k-*) machine=m68k ;;
464 powerpc-*) machine=macppc ;;
465 sparc*-) machine=sparc ;;
466 vax-*) machine=vax ;;
473 case "${canonical}" in
474 alpha*) machine=alpha ;;
475 x86_64-*) machine=amdx86-64 ;;
476 i386-*) machine=intel386 ;;
477 powerpc-*) machine=macppc ;;
478 sparc*) machine=sparc ;;
479 vax-*) machine=vax ;;
483 ## Apple Darwin / Mac OS X
485 case "${canonical}" in
486 i[3456]86-* ) machine=intel386 ;;
487 powerpc-* ) machine=macppc ;;
488 x86_64-* ) machine=amdx86-64 ;;
492 # Define CPP as follows to make autoconf work correctly.
493 CPP="${CC-cc} -E -no-cpp-precomp"
494 # Use fink packages if available.
495 if test -d /sw/include && test -d /sw/lib; then
496 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
497 CPP="${CPP} ${GCC_TEST_OPTIONS}"
498 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
502 ## HP 9000 series 700 and 800, running HP/UX
506 hppa*-hp-hpux1[1-9]* )
508 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
511 ia64*-hp-hpux1[1-9]* )
512 machine=hp800 opsys=hpux11
513 ## FIXME. Peter O'Gorman reports that dumping using unexelf.o doesn't
514 ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
519 machine=hp800 opsys=gnu-linux
523 rs6000-ibm-aix4.[23]* )
524 machine=ibmrs6000 opsys=aix4-2
526 powerpc-ibm-aix4.[23]* )
527 machine=ibmrs6000 opsys=aix4-2
529 rs6000-ibm-aix[56]* )
530 machine=ibmrs6000 opsys=aix4-2
532 powerpc-ibm-aix[56]* )
533 machine=ibmrs6000 opsys=aix4-2
536 ## Silicon Graphics machines
539 machine=iris4d opsys=irix6-5
540 # Without defining _LANGUAGE_C, things get masked out in the headers
541 # so that, for instance, grepping for `free' in stdlib.h fails and
542 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
543 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
544 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
549 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
550 | x86_64-*-solaris2* | x86_64-*-sunos5*)
551 case "${canonical}" in
552 i[3456]86-*-* ) machine=intel386 ;;
553 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
554 sparc* ) machine=sparc ;;
557 case "${canonical}" in
558 *-sunos5.6* | *-solaris2.6* )
560 NON_GNU_CPP=/usr/ccs/lib/cpp
563 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
565 emacs_check_sunpro_c=yes
566 NON_GNU_CPP=/usr/ccs/lib/cpp
568 *-sunos5* | *-solaris* )
570 emacs_check_sunpro_c=yes
571 NON_GNU_CPP=/usr/ccs/lib/cpp
574 ## Watch out for a compiler that we know will not work.
575 case "${canonical}" in
576 *-solaris* | *-sunos5* )
577 if [ "x$CC" = x/usr/ucb/cc ]; then
578 ## /usr/ucb/cc doesn't work;
579 ## we should find some other compiler that does work.
587 ## Intel 386 machines where we don't care about the manufacturer.
590 case "${canonical}" in
591 *-cygwin ) opsys=cygwin ;;
592 *-darwin* ) opsys=darwin
593 CPP="${CC-cc} -E -no-cpp-precomp"
595 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
596 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
597 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
598 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
607 ### If the code above didn't choose an operating system, just choose
608 ### an operating system based on the configuration name. You really
609 ### only want to use this when you have no idea what the right
610 ### operating system is; if you know what operating systems a machine
611 ### runs, it's cleaner to make it explicit in the case statement
613 if test x"${opsys}" = x; then
614 case "${canonical}" in
615 *-gnu* ) opsys=gnu ;;
625 if test $unported = yes; then
626 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
627 Check `etc/MACHINES' for recognized configuration names.])
630 if test -n "$machine"; then
631 machfile="m/${machine}.h"
635 opsysfile="s/${opsys}.h"
638 #### Choose a compiler.
639 test -n "$CC" && cc_specified=yes
641 # Save the value of CFLAGS that the user specified.
642 SPECIFIED_CFLAGS="$CFLAGS"
644 dnl Sets GCC=yes if using gcc.
648 # Initialize gnulib right after verifying that the C compiler works.
651 # On Suns, sometimes $CPP names a directory.
652 if test -n "$CPP" && test -d "$CPP"; then
656 ## If not using gcc, and on Solaris, and no CPP specified, see if
657 ## using a Sun compiler, which needs -Xs to prevent whitespace.
658 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
659 test x"$CPP" = x; then
660 AC_MSG_CHECKING([whether we are using a Sun C compiler])
661 AC_CACHE_VAL(emacs_cv_sunpro_c,
662 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
666 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
667 AC_MSG_RESULT($emacs_cv_sunpro_c)
669 if test x"$emacs_cv_sunpro_c" = xyes; then
670 NON_GNU_CPP="$CC -E -Xs"
674 #### Some systems specify a CPP to use unless we are using GCC.
675 #### Now that we know whether we are using GCC, we can decide whether
676 #### to use that one.
677 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
682 #### Some systems specify a CC to use unless we are using GCC.
683 #### Now that we know whether we are using GCC, we can decide whether
684 #### to use that one.
685 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
686 test x$cc_specified != xyes
691 if test x$GCC = xyes; then
692 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
694 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
697 ### Use -Wdeclaration-after-statement if the compiler supports it
698 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
699 SAVE_CFLAGS="$CFLAGS"
700 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
701 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
702 if test $has_option = yes; then
703 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
705 AC_MSG_RESULT($has_option)
706 CFLAGS="$SAVE_CFLAGS"
710 ### Use -Wold-style-definition if the compiler supports it
711 # This can be removed when conversion to standard C is finished.
712 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
713 SAVE_CFLAGS="$CFLAGS"
714 CFLAGS="$CFLAGS -Wold-style-definition"
715 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
716 if test $has_option = yes; then
717 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
719 AC_MSG_RESULT($has_option)
720 CFLAGS="$SAVE_CFLAGS"
724 ### Use -Wimplicit-function-declaration if the compiler supports it
725 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
726 SAVE_CFLAGS="$CFLAGS"
727 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
728 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
729 if test $has_option = yes; then
730 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
732 AC_MSG_RESULT($has_option)
733 CFLAGS="$SAVE_CFLAGS"
737 AC_SUBST(C_WARNINGS_SWITCH)
740 #### Some other nice autoconf tests.
742 dnl checks for programs
745 if test "x$RANLIB" = x; then
749 ## Although we're running on an amd64 kernel, we're actually compiling for
750 ## the x86 architecture. The user should probably have provided an
751 ## explicit --build to `configure', but if everything else than the kernel
752 ## is running in i386 mode, we can help them out.
753 if test "$machine" = "amdx86-64"; then
754 AC_CHECK_DECL([i386])
755 if test "$ac_cv_have_decl_i386" = "yes"; then
756 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
758 machfile="m/${machine}.h"
762 AC_PATH_PROG(INSTALL_INFO, install-info)
763 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
764 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
765 dnl Don't use GZIP, which is used by gzip for additional parameters.
766 AC_PATH_PROG(GZIP_PROG, gzip)
769 ## Need makeinfo >= 4.6 (?) to build the manuals.
770 AC_PATH_PROG(MAKEINFO, makeinfo, no)
771 dnl By this stage, configure has already checked for egrep and set EGREP,
772 dnl or exited with an error if no egrep was found.
773 if test "$MAKEINFO" != "no" && \
774 test x"`$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
778 ## Makeinfo is unusual. For a released Emacs, the manuals are
779 ## pre-built, and not deleted by the normal clean rules. makeinfo is
780 ## therefore in the category of "special tools" not normally required, which
781 ## configure does not have to check for (eg autoconf itself).
782 ## In a Bazaar checkout on the other hand, the manuals are not included.
783 ## So makeinfo is a requirement to build from Bazaar, and configure
784 ## should test for it as it does for any other build requirement.
785 ## We use the presence of $srcdir/info/emacs to distinguish a release,
786 ## with pre-built manuals, from a Bazaar checkout.
789 if test "$MAKEINFO" = "no"; then
791 if test "x${with_makeinfo}" = "xno"; then
793 elif test ! -e $srcdir/info/emacs; then
794 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
795 source tree does not seem to have pre-built manuals in the `info' directory.
796 Either install a suitable version of makeinfo, or re-run configure
797 with the `--without-makeinfo' option to build without the manuals.] )
800 AC_SUBST(HAVE_MAKEINFO)
802 dnl Add our options to ac_link now, after it is set up.
804 if test x$GCC = xyes; then
805 test "x$GCC_LINK_TEST_OPTIONS" != x && \
806 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
808 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
809 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
812 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
813 dnl If we can link with the flag, it shouldn't do any harm anyhow.
814 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
815 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
816 dnl if not built to support GNU ld.
818 late_LDFLAGS=$LDFLAGS
819 if test x$GCC = xyes; then
820 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
822 LDFLAGS="$LDFLAGS -znocombreloc"
825 AC_MSG_CHECKING([for -znocombreloc])
826 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
827 [AC_MSG_RESULT(yes)],
828 LDFLAGS=$late_LDFLAGS
832 # The value of CPP is a quoted variable reference, so we need to do this
833 # to get its actual value...
834 CPP=`eval "echo $CPP"`
837 dnl The function dump-emacs will not be defined and temacs will do
838 dnl (load "loadup") automatically unless told otherwise.
839 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
841 your-opsys-here) CANNOT_DUMP=yes ;;
844 test "$CANNOT_DUMP" = "yes" && \
845 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
847 AC_SUBST(CANNOT_DUMP)
852 # MSDOS uses unexcoff.o
853 # MSWindows uses unexw32.o
861 UNEXEC_OBJ=unexmacosx.o
864 UNEXEC_OBJ=unexhp9k800.o
867 # Use the Solaris dldump() function, called from unexsol.c, to dump
868 # emacs, instead of the generic ELF dump code found in unexelf.c.
869 # The resulting binary has a complete symbol table, and is better
870 # for debugging and other observability tools (debuggers, pstack, etc).
872 # If you encounter a problem using dldump(), please consider sending
873 # a message to the OpenSolaris tools-linking mailing list:
874 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
876 # It is likely that dldump() works with older Solaris too, but this has
877 # not been tested, so for now this change is for Solaris 10 or newer.
885 ## Let `ld' find image libs and similar things in /usr/local/lib.
886 ## The system compiler, GCC, has apparently been modified to not
887 ## look there, contrary to what a stock GCC would do.
888 LD_SWITCH_SYSTEM=-L/usr/local/lib
892 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
893 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
897 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
901 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
902 ## otherwise Emacs dumps core on elf systems.
903 LD_SWITCH_SYSTEM="-Z"
906 AC_SUBST(LD_SWITCH_SYSTEM)
908 ac_link="$ac_link $LD_SWITCH_SYSTEM"
910 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
911 ## which has not been defined yet. When this was handled with cpp,
912 ## it was expanded to null when configure sourced the s/*.h file.
913 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
914 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
915 ## (or somesuch), but because it is supposed to go at the _front_
916 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
917 ## Compare with the gnu-linux case below, which added to the end
918 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
919 ## LD_SWITCH_SYSTEM_TEMACS.
922 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
923 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
928 if test "$machine" = "alpha"; then
929 AC_CHECK_DECL([__ELF__])
930 if test "$ac_cv_have_decl___ELF__" = "yes"; then
931 ## With ELF, make sure that all common symbols get allocated to in the
932 ## data section. Otherwise, the dump of temacs may miss variables in
933 ## the shared library that have been initialized. For example, with
934 ## GNU libc, __malloc_initialized would normally be resolved to the
935 ## shared library's .bss section, which is fatal.
936 if test "x$GCC" = "xyes"; then
937 C_SWITCH_MACHINE="-fno-common"
939 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
942 UNEXEC_OBJ=unexalpha.o
945 AC_SUBST(C_SWITCH_MACHINE)
950 ## Some programs in src produce warnings saying certain subprograms
951 ## are too complex and need a MAXMEM value greater than 2000 for
952 ## additional optimization. --nils@exp-math.uni-essen.de
953 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
954 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
955 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
956 ## It is redundant in glibc2, since we define _GNU_SOURCE.
957 AC_SUBST(C_SWITCH_SYSTEM)
962 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
963 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
965 freebsd) LIBS_SYSTEM="-lutil" ;;
967 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
969 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
971 ## Motif needs -lgen.
972 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
974 AC_SUBST(LIBS_SYSTEM)
977 ### Make sure subsequent tests use flags consistent with the build flags.
979 if test x"${OVERRIDE_CPPFLAGS}" != x; then
980 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
982 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
985 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
986 AC_DEFUN([AC_TYPE_SIZE_T])
988 dnl Do this early because it can frob feature test macros for Unix-98 &c.
999 START_FILES='pre-crt0.o'
1002 ## Adding -lm confuses the dynamic linker, so omit it.
1004 START_FILES='pre-crt0.o'
1007 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1008 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1010 gnu-linux | gnu-kfreebsd )
1011 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1012 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1014 hpux10-20 | hpux11 )
1016 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1019 if test -f $CRT_DIR/crti.o; then
1020 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1021 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1023 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1024 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1030 AC_SUBST(START_FILES)
1032 dnl Not all platforms use crtn.o files. Check if the current one does.
1035 for file in x $LIB_STANDARD $START_FILES; do
1037 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1041 if test "x$crt_files" != x; then
1043 ## If user specified a crt-dir, use that unconditionally.
1046 if test "X$CRT_DIR" = "X"; then
1048 CRT_DIR=/usr/lib # default
1050 case "$canonical" in
1051 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1052 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1053 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1054 ## For anything else (eg /usr/lib32), it is up the user to specify
1055 ## the location (bug#5655).
1056 ## Test for crtn.o, not just the directory, because sometimes the
1057 ## directory exists but does not have the relevant files (bug#1287).
1058 ## FIXME better to test for binary compatibility somehow.
1059 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1062 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1066 hpux10-20) CRT_DIR=/lib ;;
1069 test "x${GCC}" = xyes && crt_gcc=yes
1075 for file in $crt_files; do
1077 ## If we're using gcc, try to determine it automatically by asking
1078 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1079 ## system-dependent default from above.]
1080 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1082 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1085 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1090 dnl We expect all the files to be in a single directory, so after the
1091 dnl first there is no point asking gcc.
1094 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1097 test "x$crt_missing" = x || \
1098 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1099 Try using the --with-crt-dir option.])
1101 fi # crt_files != ""
1106 dnl This function definition taken from Gnome 2.0
1107 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1108 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1109 dnl also defines GSTUFF_PKG_ERRORS on error
1110 AC_DEFUN([PKG_CHECK_MODULES], [
1113 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1115 if test "$PKG_CONFIG" = "no" ; then
1116 ifelse([$4], , [AC_MSG_ERROR([
1117 *** 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])
1119 PKG_CONFIG_MIN_VERSION=0.9.0
1120 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1121 AC_MSG_CHECKING(for $2)
1123 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1127 AC_MSG_CHECKING($1_CFLAGS)
1128 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1129 AC_MSG_RESULT($$1_CFLAGS)
1131 AC_MSG_CHECKING($1_LIBS)
1132 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1133 AC_MSG_RESULT($$1_LIBS)
1138 ## If we have a custom action on failure, don't print errors, but
1139 ## do set a variable so people can do so.
1140 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1141 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1147 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1148 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1152 if test $succeeded = yes; then
1153 ifelse([$3], , :, [$3])
1155 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.])], [$4])
1160 if test "${with_sound}" != "no"; then
1161 # Sound support for GNU/Linux and the free BSDs.
1162 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1163 have_sound_header=yes)
1164 # Emulation library used on NetBSD.
1165 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1169 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1170 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1171 if test $HAVE_ALSA = yes; then
1172 SAVE_CFLAGS="$CFLAGS"
1173 SAVE_LDFLAGS="$LDFLAGS"
1174 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1175 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1176 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1177 emacs_alsa_normal=yes,
1178 emacs_alsa_normal=no)
1179 if test "$emacs_alsa_normal" != yes; then
1180 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1181 [[snd_lib_error_set_handler (0);]])],
1182 emacs_alsa_subdir=yes,
1183 emacs_alsa_subdir=no)
1184 if test "$emacs_alsa_subdir" != yes; then
1185 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1187 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1190 CFLAGS="$SAVE_CFLAGS"
1191 LDFLAGS="$SAVE_LDFLAGS"
1192 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1193 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1194 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1197 dnl Define HAVE_SOUND if we have sound support. We know it works and
1198 dnl compiles only on the specified platforms. For others, it
1199 dnl probably doesn't make sense to try.
1200 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1202 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1203 gnu-linux|freebsd|netbsd)
1204 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1209 AC_SUBST(CFLAGS_SOUND)
1212 dnl checks for header files
1213 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1214 linux/version.h sys/systeminfo.h \
1215 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1216 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1217 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1219 AC_MSG_CHECKING(if personality LINUX32 can be set)
1220 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1221 emacs_cv_personality_linux32=yes,
1222 emacs_cv_personality_linux32=no)
1223 AC_MSG_RESULT($emacs_cv_personality_linux32)
1225 if test $emacs_cv_personality_linux32 = yes; then
1226 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1227 [Define to 1 if personality LINUX32 can be set.])
1230 dnl On Solaris 8 there's a compilation warning for term.h because
1231 dnl it doesn't define `bool'.
1232 AC_CHECK_HEADERS(term.h, , , -)
1234 AC_CHECK_DECLS([sys_siglist])
1235 if test $ac_cv_have_decl_sys_siglist != yes; then
1236 # For Tru64, at least:
1237 AC_CHECK_DECLS([__sys_siglist])
1238 if test $ac_cv_have_decl___sys_siglist = yes; then
1239 AC_DEFINE(sys_siglist, __sys_siglist,
1240 [Define to any substitute for sys_siglist.])
1245 dnl Some systems have utime.h but don't declare the struct anyplace.
1246 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1247 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1248 #include <sys/time.h>
1251 #ifdef HAVE_SYS_TIME_H
1252 #include <sys/time.h>
1259 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1260 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1261 if test $emacs_cv_struct_utimbuf = yes; then
1262 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1265 dnl Check for speed_t typedef.
1266 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1267 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1268 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1269 if test $emacs_cv_speed_t = yes; then
1270 AC_DEFINE(HAVE_SPEED_T, 1,
1271 [Define to 1 if `speed_t' is declared by <termios.h>.])
1274 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1275 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1276 #include <sys/time.h>
1279 #ifdef HAVE_SYS_TIME_H
1280 #include <sys/time.h>
1284 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1285 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1286 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1287 if test $emacs_cv_struct_timeval = yes; then
1288 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1291 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1292 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1293 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1294 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1295 HAVE_EXCEPTION=$emacs_cv_struct_exception
1296 if test $emacs_cv_struct_exception != yes; then
1297 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1300 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1301 #if HAVE_SYS_SOCKET_H
1302 #include <sys/socket.h>
1305 dnl checks for structure members
1308 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1309 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1310 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1311 [#include <time.h>])
1312 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1313 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1314 struct ifreq.ifr_addr], , ,
1315 [AC_INCLUDES_DEFAULT
1316 #if HAVE_SYS_SOCKET_H
1317 #include <sys/socket.h>
1323 dnl checks for compiler characteristics
1325 dnl Testing __STDC__ to determine prototype support isn't good enough.
1326 dnl DEC C, for instance, doesn't define it with default options, and
1327 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1332 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1333 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1334 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1335 if test $emacs_cv_void_star = yes; then
1336 AC_DEFINE(POINTER_TYPE, void)
1338 AC_DEFINE(POINTER_TYPE, char)
1340 AH_TEMPLATE(POINTER_TYPE,
1341 [Define as `void' if your compiler accepts `void *'; otherwise
1342 define as `char'.])dnl
1344 dnl Check for endianess
1347 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1348 [emacs_cv_attribute_aligned],
1351 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1353 [emacs_cv_attribute_aligned=yes],
1354 [emacs_cv_attribute_aligned=no])])
1355 if test $emacs_cv_attribute_aligned = yes; then
1356 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1357 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1360 dnl check for Make feature
1366 dnl check for GNU Make if we have GCC and autodepend is on.
1367 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1368 AC_MSG_CHECKING([whether we are using GNU Make])
1370 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1371 if test "x$testval" != x; then
1374 ac_enable_autodepend=no
1376 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1377 if test $HAVE_GNU_MAKE = yes; then
1378 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1379 SAVE_CFLAGS="$CFLAGS"
1380 CFLAGS="$CFLAGS -MMD -MF deps.d"
1381 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1382 CFLAGS="$SAVE_CFLAGS"
1383 test -f deps.d || ac_enable_autodepend=no
1385 AC_MSG_RESULT([$ac_enable_autodepend])
1387 if test $ac_enable_autodepend = yes; then
1388 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1389 ## In parallel builds, another make might create depdir between
1390 ## the first test and mkdir, so stick another test on the end.
1391 ## Or use install-sh -d? mkdir -p is not portable.
1392 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1393 deps_frag=autodeps.mk
1396 deps_frag=$srcdir/src/$deps_frag
1399 AC_SUBST_FILE(deps_frag)
1402 lisp_frag=$srcdir/src/lisp.mk
1403 AC_SUBST_FILE(lisp_frag)
1406 dnl checks for operating system services
1407 AC_SYS_LONG_FILE_NAMES
1409 #### Choose a window system.
1412 if test "$no_x" = yes; then
1418 ## Workaround for bug in autoconf <= 2.62.
1419 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1420 ## No need to do anything special for these standard directories.
1421 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1423 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1427 LD_SWITCH_X_SITE_AUX=
1428 LD_SWITCH_X_SITE_AUX_RPATH=
1429 if test "${x_libraries}" != NONE; then
1430 if test -n "${x_libraries}"; then
1431 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1432 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1433 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1435 x_default_search_path=""
1436 x_search_path=${x_libraries}
1437 if test -z "${x_search_path}"; then
1438 x_search_path=/usr/lib
1440 for x_library in `echo ${x_search_path}: | \
1441 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1443 ${x_library}/X11/%L/%T/%N%C%S:\
1444 ${x_library}/X11/%l/%T/%N%C%S:\
1445 ${x_library}/X11/%T/%N%C%S:\
1446 ${x_library}/X11/%L/%T/%N%S:\
1447 ${x_library}/X11/%l/%T/%N%S:\
1448 ${x_library}/X11/%T/%N%S"
1449 if test x"${x_default_search_path}" = x; then
1450 x_default_search_path=${x_search_path}
1452 x_default_search_path="${x_search_path}:${x_default_search_path}"
1456 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1457 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1459 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1460 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1463 if test x"${x_includes}" = x; then
1464 bitmapdir=/usr/include/X11/bitmaps
1466 # accumulate include directories that have X11 bitmap subdirectories
1468 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1469 if test -d "${bmd}/X11/bitmaps"; then
1470 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1472 if test -d "${bmd}/bitmaps"; then
1473 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1476 if test ${bmd_acc} != "dummyval"; then
1477 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1484 tmp_CPPFLAGS="$CPPFLAGS"
1485 tmp_CFLAGS="$CFLAGS"
1486 CPPFLAGS="$CPPFLAGS -x objective-c"
1487 CFLAGS="$CFLAGS -x objective-c"
1488 TEMACS_LDFLAGS2="\${LDFLAGS}"
1489 dnl I don't think it's especially important, but src/Makefile.in
1490 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1491 dnl trailing "/" to it, so now we do it here.
1492 if test "${with_ns}" != no; then
1493 if test "${opsys}" = darwin; then
1495 ns_appdir=`pwd`/nextstep/Emacs.app
1496 ns_appbindir=${ns_appdir}/Contents/MacOS/
1497 ns_appresdir=${ns_appdir}/Contents/Resources
1498 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1499 elif test -f $GNUSTEP_CONFIG_FILE; then
1501 ns_appdir=`pwd`/nextstep/Emacs.app
1502 ns_appbindir=${ns_appdir}/
1503 ns_appresdir=${ns_appdir}/Resources
1504 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1505 dnl FIXME sourcing this several times in subshells seems inefficient.
1506 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1507 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1508 dnl I seemed to need these as well with GNUstep-startup 0.25.
1509 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1510 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1511 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1512 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1513 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1514 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1515 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1516 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1517 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1522 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1523 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1524 files are missing or cannot be compiled.])])
1525 NS_HAVE_NSINTEGER=yes
1526 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1528 ns_have_nsinteger=yes,
1529 ns_have_nsinteger=no)
1530 if test $ns_have_nsinteger = no; then
1531 NS_HAVE_NSINTEGER=no
1534 AC_SUBST(TEMACS_LDFLAGS2)
1539 if test "${HAVE_NS}" = yes; then
1540 window_system=nextstep
1542 # set up packaging dirs
1543 exec_prefix=${ns_appbindir}
1544 libexecdir=${ns_appbindir}/libexec
1545 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1546 prefix=${ns_appresdir}
1548 ns_frag=$srcdir/src/ns.mk
1549 NS_OBJ="fontset.o fringe.o image.o"
1550 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1552 CFLAGS="$tmp_CFLAGS"
1553 CPPFLAGS="$tmp_CPPFLAGS"
1555 AC_SUBST(NS_OBJC_OBJ)
1556 AC_SUBST(LIB_STANDARD)
1557 AC_SUBST_FILE(ns_frag)
1559 case "${window_system}" in
1563 case "${with_x_toolkit}" in
1564 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1565 motif ) USE_X_TOOLKIT=MOTIF ;;
1567 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1568 dnl USE_X_TOOLKIT is set.
1569 USE_X_TOOLKIT=none ;;
1570 gtk3 ) with_gtk3=yes
1571 USE_X_TOOLKIT=none ;;
1572 no ) USE_X_TOOLKIT=none ;;
1573 dnl If user did not say whether to use a toolkit, make this decision later:
1574 dnl use the toolkit if we have gtk, or X11R5 or newer.
1575 * ) USE_X_TOOLKIT=maybe ;;
1585 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1586 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1587 if test "$HAVE_XSERVER" = true ||
1588 test -n "$DISPLAY" ||
1589 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1590 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1591 were found. You should install the relevant development files for X
1592 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1593 sure you have development files for image handling, i.e.
1594 tiff, gif, jpeg, png and xpm.
1595 If you are sure you want Emacs compiled without X window support, pass
1601 ### If we're using X11, we should use the X menu package.
1604 yes ) HAVE_MENUS=yes ;;
1607 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1608 # Assume not, until told otherwise.
1611 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1612 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1613 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1614 emacs_cv_var___after_morecore_hook,
1615 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1616 emacs_cv_var___after_morecore_hook=yes,
1617 emacs_cv_var___after_morecore_hook=no)])
1618 if test $emacs_cv_var___after_morecore_hook = no; then
1623 dnl See comments in aix4-2.h about maybe using system malloc there.
1626 ## darwin ld insists on the use of malloc routines in the System framework.
1627 darwin|sol2-10) system_malloc=yes ;;
1630 if test "${system_malloc}" = "yes"; then
1631 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1634 (The GNU allocators don't work with this system configuration.)"
1638 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1639 VMLIMIT_OBJ=vm-limit.o
1641 AC_SUBST(GMALLOC_OBJ)
1642 AC_SUBST(VMLIMIT_OBJ)
1644 if test "$doug_lea_malloc" = "yes" ; then
1645 if test "$GNU_MALLOC" = yes ; then
1647 (Using Doug Lea's new malloc from the GNU C Library.)"
1649 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1650 [Define to 1 if you are using the GNU C Library.])
1652 ## Use mmap directly for allocating larger buffers.
1653 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1654 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1655 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1657 gnu*) REL_ALLOC=no ;;
1661 if test x"${REL_ALLOC}" = x; then
1662 REL_ALLOC=${GNU_MALLOC}
1665 use_mmap_for_buffers=no
1667 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1671 if test $use_mmap_for_buffers = yes; then
1672 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1676 LIBS="$LIBS_SYSTEM $LIBS"
1678 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1679 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1680 AC_CHECK_LIB(dnet, dnet_ntoa)
1681 dnl This causes -lresolv to get used in subsequent tests,
1682 dnl which causes failures on some systems such as HPUX 9.
1683 dnl AC_CHECK_LIB(resolv, gethostbyname)
1685 dnl FIXME replace main with a function we actually want from this library.
1686 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1688 AC_CHECK_LIB(pthreads, cma_open)
1690 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1691 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1692 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1693 ## added to LIBS in configure would never contain the pthreads part,
1694 ## but the value used in Makefiles might. FIXME?
1696 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1697 ## be harmless on older versions of X where it happens to exist.
1698 test "$opsys" = "aix4-2" && \
1699 test $ac_cv_lib_pthreads_cma_open = yes && \
1700 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1702 dnl Check for need for bigtoc support on IBM AIX
1706 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1708 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1709 *) gdb_cv_bigtoc=-bbigtoc ;;
1712 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1713 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1718 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1719 # used for the tests that follow. We set them back to REAL_CFLAGS and
1720 # REAL_CPPFLAGS later on.
1722 REAL_CFLAGS="$CFLAGS"
1723 REAL_CPPFLAGS="$CPPFLAGS"
1725 if test "${HAVE_X11}" = "yes"; then
1726 DEFS="$C_SWITCH_X_SITE $DEFS"
1727 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1729 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1730 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1732 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1733 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1734 # but it's more convenient here to set LD_RUN_PATH
1735 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1736 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1737 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1741 if test "${opsys}" = "gnu-linux"; then
1742 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1743 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1744 [[XOpenDisplay ("foo");]])],
1745 [xlinux_first_failure=no],
1746 [xlinux_first_failure=yes])
1747 if test "${xlinux_first_failure}" = "yes"; then
1748 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1749 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1750 OLD_CPPFLAGS="$CPPFLAGS"
1752 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1753 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1754 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1755 LIBS="$LIBS -b i486-linuxaout"
1756 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1757 [[XOpenDisplay ("foo");]])],
1758 [xlinux_second_failure=no],
1759 [xlinux_second_failure=yes])
1760 if test "${xlinux_second_failure}" = "yes"; then
1761 # If we get the same failure with -b, there is no use adding -b.
1762 # So take it out. This plays safe.
1763 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1764 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1765 CPPFLAGS="$OLD_CPPFLAGS"
1776 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1777 # header files included from there.
1778 AC_MSG_CHECKING(for Xkb)
1779 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1780 #include <X11/XKBlib.h>]],
1781 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1782 emacs_xkb=yes, emacs_xkb=no)
1783 AC_MSG_RESULT($emacs_xkb)
1784 if test $emacs_xkb = yes; then
1785 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1788 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1789 XScreenNumberOfScreen XSetWMProtocols)
1792 if test "${window_system}" = "x11"; then
1793 AC_MSG_CHECKING(X11 version 6)
1794 AC_CACHE_VAL(emacs_cv_x11_version_6,
1795 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1796 [[#if XlibSpecificationRelease < 6
1799 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1800 if test $emacs_cv_x11_version_6 = yes; then
1801 AC_MSG_RESULT(6 or newer)
1802 AC_DEFINE(HAVE_X11R6, 1,
1803 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1804 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1805 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1809 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1810 [Define if you have usable X11R6-style XIM support.])
1814 AC_MSG_RESULT(before 6)
1819 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1821 if test "${HAVE_X11}" = "yes" || test "${NS_IMPL_GNUSTEP}" = "yes"; then
1822 if test "${with_rsvg}" != "no"; then
1823 RSVG_REQUIRED=2.11.0
1824 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1826 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1827 AC_SUBST(RSVG_CFLAGS)
1830 if test $HAVE_RSVG = yes; then
1831 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1832 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1833 LIBS="$RSVG_LIBS $LIBS"
1839 if test "${HAVE_X11}" = "yes"; then
1840 if test "${with_imagemagick}" != "no"; then
1841 ## 6.2.8 is the earliest version known to work, but earlier versions
1842 ## might work - let us know if you find one.
1843 ## 6.0.7 does not work. See bug#7955.
1844 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1845 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1846 AC_SUBST(IMAGEMAGICK_CFLAGS)
1847 AC_SUBST(IMAGEMAGICK_LIBS)
1849 if test $HAVE_IMAGEMAGICK = yes; then
1850 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1851 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1852 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1853 AC_CHECK_FUNCS(MagickExportImagePixels)
1861 if test "${with_gtk3}" = "yes"; then
1864 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1866 dnl Checks for libraries.
1867 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1868 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1869 AC_MSG_ERROR($GTK_PKG_ERRORS)
1871 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1872 GTK_OBJ=emacsgtkfixed.o
1875 if test "$pkg_check_gtk" != "yes"; then
1877 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1880 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1882 dnl Checks for libraries.
1883 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1884 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1885 AC_MSG_ERROR($GTK_PKG_ERRORS)
1890 if test x"$pkg_check_gtk" = xyes; then
1892 AC_SUBST(GTK_CFLAGS)
1894 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1895 CFLAGS="$CFLAGS $GTK_CFLAGS"
1896 LIBS="$GTK_LIBS $LIBS"
1897 dnl Try to compile a simple GTK program.
1899 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1900 if test "${GTK_COMPILES}" != "yes"; then
1901 if test "$USE_X_TOOLKIT" != "maybe"; then
1902 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1906 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1907 GTK_OBJ="gtkutil.o $GTK_OBJ"
1909 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1912 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1913 closing open displays. This is no problem if you just use
1914 one display, but if you use more than one and close one of them
1924 if test "${HAVE_GTK}" = "yes"; then
1926 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1927 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1928 if test "$with_toolkit_scroll_bars" != no; then
1929 with_toolkit_scroll_bars=yes
1932 dnl Check if we have the old file selection dialog declared and
1933 dnl in the link library. In 2.x it may be in the library,
1934 dnl but not declared if deprecated featured has been selected out.
1935 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1936 HAVE_GTK_FILE_SELECTION=no
1937 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1938 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1939 #include <gtk/gtk.h>])
1940 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1941 AC_CHECK_FUNCS(gtk_file_selection_new)
1944 dnl Check if pthreads are available. Emacs only needs this when using
1945 dnl gtk_file_chooser under Gnome.
1946 HAVE_GTK_AND_PTHREAD=no
1947 AC_CHECK_HEADERS(pthread.h)
1948 if test "$ac_cv_header_pthread_h"; then
1949 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1951 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1952 case "${canonical}" in
1954 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1956 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1957 [Define to 1 if you have GTK and pthread (-lpthread).])
1960 dnl Check for functions introduced in 2.14 and later.
1961 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1962 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1963 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1964 gtk_orientable_set_orientation)
1968 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1969 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1970 dnl also not configured.
1973 if test "${with_dbus}" = "yes"; then
1974 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1975 if test "$HAVE_DBUS" = yes; then
1976 LIBS="$LIBS $DBUS_LIBS"
1977 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1978 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1984 dnl GSettings has been tested under GNU/Linux only.
1986 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
1987 PKG_CHECK_MODULES(GSETTINGS, glib-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
1988 if test "$HAVE_GSETTINGS" = "yes"; then
1989 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
1990 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
1991 SETTINGS_LIBS="$GSETTINGS_LIBS"
1995 dnl GConf has been tested under GNU/Linux only.
1996 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1998 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1999 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2000 if test "$HAVE_GCONF" = yes; then
2001 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2002 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2003 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2004 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2008 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2009 SAVE_CFLAGS="$CFLAGS"
2010 SAVE_LDFLAGS="$LDFLAGS"
2011 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2012 LDFLAGS="$SETTINGS_LIBS $LDFLAGS"
2013 AC_CHECK_FUNCS([g_type_init])
2014 CFLAGS="$SAVE_CFLAGS"
2015 LDFLAGS="$SAVE_LDFLAGS"
2017 AC_SUBST(SETTINGS_CFLAGS)
2018 AC_SUBST(SETTINGS_LIBS)
2021 dnl SELinux is available for GNU/Linux only.
2024 if test "${with_selinux}" = "yes"; then
2025 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2026 if test "$HAVE_LIBSELINUX" = yes; then
2027 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2028 LIBSELINUX_LIBS=-lselinux
2031 AC_SUBST(LIBSELINUX_LIBS)
2034 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2035 if test "${with_gnutls}" = "yes" ; then
2036 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.0], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2037 if test "${HAVE_GNUTLS}" = "yes"; then
2038 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2041 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2042 LIBS="$LIBGNUTLS_LIBS $LIBS"
2043 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2045 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2046 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2050 AC_SUBST(LIBGNUTLS_LIBS)
2051 AC_SUBST(LIBGNUTLS_CFLAGS)
2053 dnl Do not put whitespace before the #include statements below.
2054 dnl Older compilers (eg sunos4 cc) choke on it.
2057 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2058 if test "$with_xaw3d" != no; then
2059 AC_MSG_CHECKING(for xaw3d)
2060 AC_CACHE_VAL(emacs_cv_xaw3d,
2061 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2062 #include <X11/Intrinsic.h>
2063 #include <X11/Xaw3d/Simple.h>]],
2065 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2066 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2067 emacs_cv_xaw3d=no)])
2071 if test $emacs_cv_xaw3d = yes; then
2072 AC_MSG_RESULT([yes; using Lucid toolkit])
2076 AC_DEFINE(HAVE_XAW3D, 1,
2077 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2080 AC_MSG_CHECKING(for libXaw)
2081 AC_CACHE_VAL(emacs_cv_xaw,
2082 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2083 #include <X11/Intrinsic.h>
2084 #include <X11/Xaw/Simple.h>]],
2088 if test $emacs_cv_xaw = yes; then
2089 AC_MSG_RESULT([yes; using Lucid toolkit])
2092 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2093 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2095 AC_MSG_ERROR([No X toolkit could be found.
2096 If you are sure you want Emacs compiled without an X toolkit, pass
2098 to configure. Otherwise, install the development libraries for the toolkit
2099 that you want to use (e.g. Gtk+) and re-run configure.])
2104 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2107 if test "${USE_X_TOOLKIT}" != "none"; then
2108 AC_MSG_CHECKING(X11 toolkit version)
2109 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2110 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2111 [[#if XtSpecificationRelease < 6
2114 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2115 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2116 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2117 AC_MSG_RESULT(6 or newer)
2118 AC_DEFINE(HAVE_X11XTR6, 1,
2119 [Define to 1 if you have the X11R6 or newer version of Xt.])
2120 LIBXTR6="-lSM -lICE"
2122 ## Use libw.a along with X11R6 Xt.
2123 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2126 AC_MSG_RESULT(before 6)
2129 dnl If using toolkit, check whether libXmu.a exists.
2130 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2132 if test x$HAVE_X11XTR6 = xyes; then
2133 LIBS="-lXt -lSM -lICE $LIBS"
2137 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2138 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2142 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2143 dnl Why not just test for libxmu in the normal way?
2146 ## These systems don't supply Xmu.
2148 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2153 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2154 if test "${HAVE_X11}" = "yes"; then
2155 if test "${USE_X_TOOLKIT}" != "none"; then
2156 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2161 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2162 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2163 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2164 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2167 Motif version prior to 2.1.
2169 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2170 if test $emacs_cv_motif_version_2_1 = yes; then
2171 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2173 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2174 # We put this in CFLAGS temporarily to precede other -I options
2175 # that might be in CFLAGS temporarily.
2176 # We put this in CPPFLAGS where it precedes the other -I options.
2177 OLD_CPPFLAGS=$CPPFLAGS
2179 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2180 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2181 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2183 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2184 if test $emacs_cv_lesstif = yes; then
2185 # Make sure this -I option remains in CPPFLAGS after it is set
2186 # back to REAL_CPPFLAGS.
2187 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2188 # have those other -I options anyway. Ultimately, having this
2189 # directory ultimately in CPPFLAGS will be enough.
2190 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2191 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2194 CPPFLAGS=$OLD_CPPFLAGS
2199 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2200 dnl using Motif or Xaw3d is available, and unless
2201 dnl --with-toolkit-scroll-bars=no was specified.
2203 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2204 [Define to 1 if we should use toolkit scroll bars.])dnl
2205 USE_TOOLKIT_SCROLL_BARS=no
2206 if test "${with_toolkit_scroll_bars}" != "no"; then
2207 if test "${USE_X_TOOLKIT}" != "none"; then
2208 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2209 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2211 USE_TOOLKIT_SCROLL_BARS=yes
2212 elif test "${HAVE_XAW3D}" = "yes"; then
2213 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2214 USE_TOOLKIT_SCROLL_BARS=yes
2216 elif test "${HAVE_GTK}" = "yes"; then
2217 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2218 USE_TOOLKIT_SCROLL_BARS=yes
2219 elif test "${HAVE_NS}" = "yes"; then
2220 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2221 USE_TOOLKIT_SCROLL_BARS=yes
2225 dnl See if XIM is available.
2226 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2227 #include <X11/Xlib.h>
2228 #include <X11/Xresource.h>]],
2229 [[XIMProc callback;]])],
2231 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2234 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2236 if test "${with_xim}" != "no"; then
2237 AC_DEFINE(USE_XIM, 1,
2238 [Define to 1 if we should use XIM, if it is available.])
2242 if test "${HAVE_XIM}" != "no"; then
2244 if test "$GCC" = yes; then
2245 CFLAGS="$CFLAGS --pedantic-errors"
2247 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2248 #include <X11/Xlib.h>
2249 #include <X11/Xresource.h>]],
2255 XPointer *client_data;
2257 /* If we're not using GCC, it's probably not XFree86, and this is
2258 probably right, but we can't use something like --pedantic-errors. */
2259 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2260 char*, XIMProc, XPointer*);
2262 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2264 [emacs_cv_arg6_star=yes])
2265 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2266 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2267 either XPointer or XPointer*.])dnl
2268 if test "$emacs_cv_arg6_star" = yes; then
2269 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2271 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2276 ### Start of font-backend (under any platform) section.
2277 # (nothing here yet -- this is a placeholder)
2278 ### End of font-backend (under any platform) section.
2280 ### Start of font-backend (under X11) section.
2281 if test "${HAVE_X11}" = "yes"; then
2282 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2284 ## Use -lXft if available, unless `--with-xft=no'.
2286 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2289 if test "x${with_xft}" != "xno"; then
2291 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2292 ## Because xftfont.c uses XRenderQueryExtension, we also
2293 ## need to link to -lXrender.
2295 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2296 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2297 OLD_CPPFLAGS="$CPPFLAGS"
2298 OLD_CFLAGS="$CFLAGS"
2300 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2301 CFLAGS="$CFLAGS $XFT_CFLAGS"
2302 XFT_LIBS="-lXrender $XFT_LIBS"
2303 LIBS="$XFT_LIBS $LIBS"
2304 AC_CHECK_HEADER(X11/Xft/Xft.h,
2305 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2307 if test "${HAVE_XFT}" = "yes"; then
2308 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2310 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2312 CPPFLAGS="$OLD_CPPFLAGS"
2313 CFLAGS="$OLD_CFLAGS"
2315 fi # "${HAVE_XFT}" = "yes"
2316 fi # "$HAVE_XFT" != no
2317 fi # "x${with_xft}" != "xno"
2319 ## We used to allow building with FreeType and without Xft.
2320 ## However, the ftx font backend driver is not in good shape.
2321 if test "$HAVE_XFT" != "yes"; then
2322 dnl For the "Does Emacs use" message at the end.
2326 dnl Strict linkers fail with
2327 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2328 dnl if -lfreetype is not specified.
2329 dnl The following is needed to set FREETYPE_LIBS.
2330 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2333 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2337 if test "${HAVE_FREETYPE}" = "yes"; then
2338 AC_DEFINE(HAVE_FREETYPE, 1,
2339 [Define to 1 if using the freetype and fontconfig libraries.])
2340 if test "${with_libotf}" != "no"; then
2341 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2343 if test "$HAVE_LIBOTF" = "yes"; then
2344 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2345 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2346 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2347 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2348 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2349 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2350 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2354 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2355 dnl Does the new font backend require it, or can it work without it?
2359 if test "${HAVE_LIBOTF}" = yes; then
2360 if test "${with_m17n_flt}" != "no"; then
2361 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2362 if test "$HAVE_M17N_FLT" = "yes"; then
2363 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2374 ### End of font-backend (under X11) section.
2376 AC_SUBST(FREETYPE_CFLAGS)
2377 AC_SUBST(FREETYPE_LIBS)
2378 AC_SUBST(FONTCONFIG_CFLAGS)
2379 AC_SUBST(FONTCONFIG_LIBS)
2380 AC_SUBST(LIBOTF_CFLAGS)
2381 AC_SUBST(LIBOTF_LIBS)
2382 AC_SUBST(M17N_FLT_CFLAGS)
2383 AC_SUBST(M17N_FLT_LIBS)
2385 ### Use -lXpm if available, unless `--with-xpm=no'.
2388 if test "${HAVE_X11}" = "yes"; then
2389 if test "${with_xpm}" != "no"; then
2390 AC_CHECK_HEADER(X11/xpm.h,
2391 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2392 if test "${HAVE_XPM}" = "yes"; then
2393 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2394 AC_EGREP_CPP(no_return_alloc_pixels,
2395 [#include "X11/xpm.h"
2396 #ifndef XpmReturnAllocPixels
2397 no_return_alloc_pixels
2399 ], HAVE_XPM=no, HAVE_XPM=yes)
2401 if test "${HAVE_XPM}" = "yes"; then
2409 if test "${HAVE_XPM}" = "yes"; then
2410 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2416 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2419 if test "${HAVE_X11}" = "yes"; then
2420 if test "${with_jpeg}" != "no"; then
2421 dnl Checking for jpeglib.h can lose because of a redefinition of
2423 AC_CHECK_HEADER(jerror.h,
2424 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2427 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2428 if test "${HAVE_JPEG}" = "yes"; then
2429 AC_DEFINE(HAVE_JPEG)
2430 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2431 [#include <jpeglib.h>
2432 version=JPEG_LIB_VERSION
2434 [AC_DEFINE(HAVE_JPEG)],
2435 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2438 if test "${HAVE_JPEG}" = "yes"; then
2444 ### Use -lpng if available, unless `--with-png=no'.
2447 if test "${HAVE_X11}" = "yes"; then
2448 if test "${with_png}" != "no"; then
2449 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2450 # in /usr/include/libpng.
2451 AC_CHECK_HEADERS(png.h libpng/png.h)
2452 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2453 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2457 if test "${HAVE_PNG}" = "yes"; then
2458 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2459 LIBPNG="-lpng -lz -lm"
2464 ### Use -ltiff if available, unless `--with-tiff=no'.
2467 if test "${HAVE_X11}" = "yes"; then
2468 if test "${with_tiff}" != "no"; then
2469 AC_CHECK_HEADER(tiffio.h,
2471 # At least one tiff package requires the jpeg library.
2472 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2473 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2476 if test "${HAVE_TIFF}" = "yes"; then
2477 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2478 dnl FIXME -lz -lm, as per libpng?
2484 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2487 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2488 AC_CHECK_HEADER(gif_lib.h,
2489 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2490 # Earlier versions can crash Emacs.
2491 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2493 if test "$HAVE_GIF" = yes; then
2495 elif test "$HAVE_GIF" = maybe; then
2496 # If gif_lib.h but no libgif, try libungif.
2497 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2498 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2501 if test "${HAVE_GIF}" = "yes"; then
2502 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2507 dnl Check for required libraries.
2508 if test "${HAVE_X11}" = "yes"; then
2511 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2512 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2513 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2514 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2515 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2516 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2517 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2518 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2519 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2520 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2522 if test "X${MISSING}" != X; then
2523 AC_MSG_ERROR([The following required libraries were not found:
2525 Maybe some development libraries/packages are missing?
2526 If you don't want to link with them give
2528 as options to configure])
2532 ### Use -lgpm if available, unless `--with-gpm=no'.
2535 if test "${with_gpm}" != "no"; then
2536 AC_CHECK_HEADER(gpm.h,
2537 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2539 if test "${HAVE_GPM}" = "yes"; then
2540 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2546 dnl Check for malloc/malloc.h on darwin
2547 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.])])
2550 ### Use NeXTstep API to implement GUI.
2551 if test "${HAVE_NS}" = "yes"; then
2552 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2553 if test "${NS_IMPL_COCOA}" = "yes"; then
2554 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2557 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2558 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2559 # See also .m.o rule in Makefile.in */
2560 # FIXME: are all these flags really needed? Document here why. */
2561 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2562 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2564 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2565 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2567 # We also have mouse menus.
2573 ### Use session management (-lSM -lICE) if available
2576 if test "${HAVE_X11}" = "yes"; then
2577 AC_CHECK_HEADER(X11/SM/SMlib.h,
2578 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2580 if test "${HAVE_X_SM}" = "yes"; then
2581 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2585 *) LIBS="$LIBXSM $LIBS" ;;
2591 ### Use libxml (-lxml2) if available
2592 if test "${with_xml2}" != "no"; then
2593 ### I'm not sure what the version number should be, so I just guessed.
2594 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2595 if test "${HAVE_LIBXML2}" = "yes"; then
2596 LIBS="$LIBXML2_LIBS $LIBS"
2597 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2598 if test "${HAVE_LIBXML2}" = "yes"; then
2599 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2606 AC_SUBST(LIBXML2_LIBS)
2607 AC_SUBST(LIBXML2_CFLAGS)
2609 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2610 AC_CACHE_CHECK(whether netdb declares h_errno,
2611 emacs_cv_netdb_declares_h_errno,
2612 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2613 [[return h_errno;]])],
2614 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2615 if test $emacs_cv_netdb_declares_h_errno = yes; then
2616 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2619 # fmod, logb, and frexp are found in -lm on most systems.
2620 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2621 AC_CHECK_LIB(m, sqrt)
2623 # Check for mail-locking functions in a "mail" library. Probably this should
2624 # have the same check as for liblockfile below.
2625 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2626 if test $have_mail = yes; then
2628 LIBS="$LIBS_MAIL $LIBS"
2629 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2633 dnl Debian, at least:
2634 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2635 if test $have_lockfile = yes; then
2636 LIBS_MAIL=-llockfile
2637 LIBS="$LIBS_MAIL $LIBS"
2638 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2640 # If we have the shared liblockfile, assume we must use it for mail
2641 # locking (e.g. Debian). If we couldn't link against liblockfile
2642 # (no liblockfile.a installed), ensure that we don't need to.
2643 dnl This works for files generally, not just executables.
2644 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2645 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2646 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2647 if test $ac_cv_prog_liblockfile = yes; then
2648 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2649 This probably means that movemail could lose mail.
2650 There may be a `development' package to install containing liblockfile.])
2653 AC_CHECK_FUNCS(touchlock)
2654 AC_CHECK_HEADERS(maillock.h)
2657 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2658 ## interlock access to the mail spool. The alternative is a lock file named
2659 ## /usr/spool/mail/$USER.lock.
2662 aix4-2) mail_lock="lockf" ;;
2664 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2666 ## On GNU/Linux systems, both methods are used by various mail programs.
2667 ## I assume most people are using newer mailers that have heard of flock.
2668 ## Change this if you need to.
2669 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2670 ## configure gets the right answers, and that means *NOT* using flock.
2671 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2672 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2673 ## Debian maintainer hasn't provided a clean fix for Emacs.
2674 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2675 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2676 ## correct logic. -- fx
2677 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2678 ## liblockfile is a Free Software replacement for libmail, used on
2679 ## Debian systems and elsewhere. -rfr.
2682 if test $have_mail = yes || test $have_lockfile = yes; then
2683 test $ac_cv_header_maillock_h = yes && mail_lock=no
2689 case "$mail_lock" in
2690 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2692 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2694 *) BLESSMAIL_TARGET="need-blessmail" ;;
2696 AC_SUBST(BLESSMAIL_TARGET)
2699 AC_CHECK_FUNCS(gethostname getdomainname \
2700 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2701 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2702 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2703 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2704 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2705 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2706 gai_strerror mkstemp getline getdelim mremap fsync sync \
2707 difftime mempcpy mblen mbrlen posix_memalign \
2708 cfmakeraw cfsetspeed isnan copysign __executable_start)
2710 dnl Cannot use AC_CHECK_FUNCS
2711 AC_CACHE_CHECK([for __builtin_unwind_init],
2712 emacs_cv_func___builtin_unwind_init,
2713 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2714 emacs_cv_func___builtin_unwind_init=yes,
2715 emacs_cv_func___builtin_unwind_init=no)])
2716 if test $emacs_cv_func___builtin_unwind_init = yes; then
2717 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2718 [Define to 1 if you have the `__builtin_unwind_init' function.])
2721 AC_CHECK_HEADERS(sys/un.h)
2728 gl_ASSERT_NO_GNULIB_POSIXCHECK
2729 gl_ASSERT_NO_GNULIB_TESTS
2733 AC_CHECK_FUNCS(grantpt)
2735 # PTY-related GNU extensions.
2736 AC_CHECK_FUNCS(getpt)
2738 # Check this now, so that we will NOT find the above functions in ncurses.
2739 # That is because we have not set up to link ncurses in lib-src.
2740 # It's better to believe a function is not available
2741 # than to expect to find it in ncurses.
2742 # Also we need tputs and friends to be able to build at all.
2743 have_tputs_et_al=true
2744 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2745 if test "$have_tputs_et_al" != true; then
2746 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2747 Maybe some development libraries/packages are missing? Try installing
2748 libncurses-dev(el), libterminfo-dev(el) or similar.])
2750 # Must define this when any termcap library is found.
2751 AC_DEFINE(HAVE_LIBNCURSES, 1,
2752 [Define to 1 if you have the `ncurses' library (-lncurses).])
2753 ## FIXME This was the cpp logic, but I am not sure it is right.
2754 ## The above test has not necessarily found libncurses.
2757 ## Use terminfo instead of termcap?
2758 ## Note only system files NOT using terminfo are:
2759 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2760 ## darwin|gnu without ncurses.
2764 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2765 ## hpux10-20: Use the system provided termcap(3) library.
2766 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2767 ## is necessary. Otherwise Emacs dumps core when run -nw.
2768 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2770 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2771 ## The ncurses library has been moved out of the System framework in
2772 ## Mac OS X 10.2. So if configure detects it, set the command-line
2773 ## option to use it.
2775 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2776 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2778 LIBS_TERMCAP="-lncurses"
2783 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2784 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2785 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2786 [[#if __FreeBSD_version < 400000
2789 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2791 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2793 if test $emacs_cv_freebsd_terminfo = yes; then
2795 LIBS_TERMCAP="-lncurses"
2797 LIBS_TERMCAP="-ltermcap"
2802 if test $ac_cv_search_tputs = -lterminfo; then
2804 LIBS_TERMCAP="-lterminfo"
2806 LIBS_TERMCAP="-ltermcap"
2813 ## hpux: Make sure we get select from libc rather than from libcurses
2814 ## because libcurses on HPUX 10.10 has a broken version of select.
2815 ## We used to use -lc -lcurses, but this may be cleaner.
2816 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2818 openbsd) LIBS_TERMCAP="-lncurses" ;;
2820 ## Must use system termcap, if we use any termcap. It does special things.
2821 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2824 TERMCAP_OBJ=tparam.o
2825 if test $TERMINFO = yes; then
2826 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2828 ## Default used to be -ltermcap. Add a case above if need something else.
2829 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2831 TERMCAP_OBJ=terminfo.o
2833 AC_SUBST(LIBS_TERMCAP)
2834 AC_SUBST(TERMCAP_OBJ)
2837 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2839 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2840 #include <arpa/nameser.h>
2841 #include <resolv.h>]],
2842 [[return res_init();]])],
2843 have_res_init=yes, have_res_init=no)
2844 if test "$have_res_init" = no; then
2846 LIBS="$LIBS -lresolv"
2847 AC_MSG_CHECKING(for res_init with -lresolv)
2848 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2849 #include <arpa/nameser.h>
2850 #include <resolv.h>]],
2851 [[return res_init();]])],
2852 have_res_init=yes, have_res_init=no)
2853 AC_MSG_RESULT($have_res_init)
2854 if test "$have_res_init" = yes ; then
2860 if test "$have_res_init" = yes; then
2861 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2864 # Do we need the Hesiod library to provide the support routines?
2866 if test "$with_hesiod" != no ; then
2867 # Don't set $LIBS here -- see comments above. FIXME which comments?
2868 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2869 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2870 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2871 if test "$resolv" = yes ; then
2876 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2877 hesiod=yes, :, $RESOLVLIB)])
2879 if test x"$hesiod" = xyes; then
2880 AC_DEFINE(HAVE_LIBHESIOD, 1,
2881 [Define to 1 if you have the hesiod library (-lhesiod).])
2887 # Do we need libresolv (due to res_init or Hesiod)?
2888 if test "$resolv" = yes ; then
2889 AC_DEFINE(HAVE_LIBRESOLV, 1,
2890 [Define to 1 if you have the resolv library (-lresolv).])
2897 # These tell us which Kerberos-related libraries to use.
2904 if test "${with_kerberos}" != no; then
2905 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2906 if test $have_com_err = yes; then
2907 COM_ERRLIB=-lcom_err
2908 LIBS="$COM_ERRLIB $LIBS"
2909 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2911 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2912 if test $have_crypto = yes; then
2914 LIBS="$CRYPTOLIB $LIBS"
2915 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2917 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2918 if test $have_k5crypto = yes; then
2919 CRYPTOLIB=-lk5crypto
2920 LIBS="$CRYPTOLIB $LIBS"
2921 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2923 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2924 if test $have_krb5=yes; then
2926 LIBS="$KRB5LIB $LIBS"
2927 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2929 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2930 if test "${with_kerberos5}" = no; then
2931 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2932 if test $have_des425 = yes; then
2934 LIBS="$DESLIB $LIBS"
2935 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2937 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2938 if test $have_des = yes; then
2940 LIBS="$DESLIB $LIBS"
2941 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2944 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2945 if test $have_krb4 = yes; then
2947 LIBS="$KRB4LIB $LIBS"
2948 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2950 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2951 if test $have_krb = yes; then
2953 LIBS="$KRB4LIB $LIBS"
2954 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2959 if test "${with_kerberos5}" != no; then
2960 AC_CHECK_HEADERS(krb5.h,
2961 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2962 [#include <krb5.h>])])
2964 AC_CHECK_HEADERS(des.h,,
2965 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2966 [AC_CHECK_HEADERS(kerberos/des.h)])])
2967 AC_CHECK_HEADERS(krb.h,,
2968 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2969 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2971 AC_CHECK_HEADERS(com_err.h)
2974 AC_SUBST(COM_ERRLIB)
2980 # Solaris requires -lintl if you want strerror (which calls dgettext)
2981 # to return localized messages.
2982 AC_CHECK_LIB(intl, dgettext)
2984 AC_MSG_CHECKING(whether localtime caches TZ)
2985 AC_CACHE_VAL(emacs_cv_localtime_cache,
2986 [if test x$ac_cv_func_tzset = xyes; then
2987 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2988 char TZ_GMT0[] = "TZ=GMT0";
2989 char TZ_PST8[] = "TZ=PST8";
2992 time_t now = time ((time_t *) 0);
2993 int hour_GMT0, hour_unset;
2994 if (putenv (TZ_GMT0) != 0)
2996 hour_GMT0 = localtime (&now)->tm_hour;
2998 hour_unset = localtime (&now)->tm_hour;
2999 if (putenv (TZ_PST8) != 0)
3001 if (localtime (&now)->tm_hour == hour_GMT0)
3004 if (localtime (&now)->tm_hour != hour_unset)
3007 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3008 [# If we have tzset, assume the worst when cross-compiling.
3009 emacs_cv_localtime_cache=yes])
3011 # If we lack tzset, report that localtime does not cache TZ,
3012 # since we can't invalidate the cache if we don't have tzset.
3013 emacs_cv_localtime_cache=no
3015 AC_MSG_RESULT($emacs_cv_localtime_cache)
3016 if test $emacs_cv_localtime_cache = yes; then
3017 AC_DEFINE(LOCALTIME_CACHE, 1,
3018 [Define to 1 if localtime caches TZ.])
3021 if test "x$HAVE_TIMEVAL" = xyes; then
3022 AC_CHECK_FUNCS(gettimeofday)
3023 if test $ac_cv_func_gettimeofday = yes; then
3024 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3025 emacs_cv_gettimeofday_two_arguments,
3026 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3027 #ifdef TIME_WITH_SYS_TIME
3028 #include <sys/time.h>
3031 #ifdef HAVE_SYS_TIME_H
3032 #include <sys/time.h>
3037 [[struct timeval time;
3038 gettimeofday (&time, 0);]])],
3039 emacs_cv_gettimeofday_two_arguments=yes,
3040 emacs_cv_gettimeofday_two_arguments=no)])
3041 if test $emacs_cv_gettimeofday_two_arguments = no; then
3042 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3043 [Define to 1 if gettimeofday accepts only one argument.])
3049 AC_CHECK_FUNC(socket, , ok_so_far=no)
3050 if test $ok_so_far = yes; then
3051 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3053 if test $ok_so_far = yes; then
3054 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3056 if test $ok_so_far = yes; then
3057 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3058 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3059 [Define to 1 if you have inet sockets.])
3062 if test -f /usr/lpp/X11/bin/smt.exp; then
3063 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3064 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3067 AC_MSG_CHECKING(whether system supports dynamic ptys)
3068 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3070 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3077 dnl Adapted from Haible's version.
3078 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3079 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3080 [[char* cs = nl_langinfo(CODESET);]])],
3081 emacs_cv_langinfo_codeset=yes,
3082 emacs_cv_langinfo_codeset=no)
3084 if test $emacs_cv_langinfo_codeset = yes; then
3085 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3086 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3091 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3092 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3093 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3094 if test "$emacs_cv_c_restrict_arr" = yes; then
3095 AC_DEFINE(__restrict_arr, __restrict,
3096 [Define to compiler's equivalent of C99 restrict keyword in array
3097 declarations. Define as empty for no equivalent.])
3100 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3101 dnl how the tty code is related to POSIX and/or other versions of termios.
3102 dnl The following looks like a useful start.
3104 dnl AC_SYS_POSIX_TERMIOS
3105 dnl if test $ac_cv_sys_posix_termios = yes; then
3106 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3107 dnl and macros for terminal control.])
3108 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3111 # Set up the CFLAGS for real compilation, so we can substitute it.
3112 CFLAGS="$REAL_CFLAGS"
3113 CPPFLAGS="$REAL_CPPFLAGS"
3115 ## Hack to detect a buggy GCC version.
3116 if test "x$GCC" = xyes \
3117 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3118 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3119 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3120 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3123 version=$PACKAGE_VERSION
3125 ### Specify what sort of things we'll be editing into Makefile and config.h.
3126 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3128 AC_SUBST(configuration)
3133 AC_SUBST(exec_prefix)
3136 AC_SUBST(sharedstatedir)
3137 AC_SUBST(libexecdir)
3141 AC_SUBST(locallisppath)
3143 AC_SUBST(x_default_search_path)
3145 AC_SUBST(archlibdir)
3150 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3151 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3152 ## end of LIBX_BASE, but nothing ever set it.
3153 AC_SUBST(LD_SWITCH_X_SITE)
3154 AC_SUBST(C_SWITCH_X_SITE)
3155 AC_SUBST(C_SWITCH_X_SYSTEM)
3157 ## Used in lwlib/Makefile.in.
3158 AC_SUBST(X_TOOLKIT_TYPE)
3159 if test -n "${machfile}"; then
3160 M_FILE="\$(srcdir)/${machfile}"
3164 S_FILE="\$(srcdir)/${opsysfile}"
3168 AC_SUBST(ns_appbindir)
3169 AC_SUBST(ns_appresdir)
3171 AC_SUBST(GNU_OBJC_CFLAGS)
3172 AC_SUBST(OTHER_FILES)
3174 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3175 [Define to the canonical Emacs configuration name.])
3176 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3177 [Define to the options passed to configure.])
3178 if test -n "$machfile"; then
3179 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3180 [Define to the used machine dependent file.])
3182 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3183 [Define to the used os dependent file.])
3188 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3189 AC_DEFINE(HAVE_X_WINDOWS, 1,
3190 [Define to 1 if you want to use the X window system.])
3192 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3194 if test "$HAVE_XFT" = "yes"; then
3195 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3196 elif test "$HAVE_FREETYPE" = "yes"; then
3197 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3207 if test "${USE_X_TOOLKIT}" != "none" ; then
3209 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3210 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3211 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3212 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3213 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3217 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3218 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3222 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3223 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3224 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3228 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3229 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3232 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3235 AC_SUBST(WIDGET_OBJ)
3238 case "$USE_X_TOOLKIT" in
3239 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3240 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3241 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3243 AC_SUBST(TOOLKIT_LIBW)
3245 if test "$USE_X_TOOLKIT" = "none"; then
3246 LIBXT_OTHER="\$(LIBXSM)"
3247 OLDXMENU_TARGET="really-oldXMenu"
3249 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3250 OLDXMENU_TARGET="really-lwlib"
3252 AC_SUBST(LIBXT_OTHER)
3254 ## The X Menu stuff is present in the X10 distribution, but missing
3255 ## from X11. If we have X10, just use the installed library;
3256 ## otherwise, use our own copy.
3257 if test "${HAVE_X11}" = "yes" ; then
3258 AC_DEFINE(HAVE_X11, 1,
3259 [Define to 1 if you want to use version 11 of X windows.
3260 Otherwise, Emacs expects to use version 10.])
3262 if test "$USE_X_TOOLKIT" = "none"; then
3263 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3265 OLDXMENU="\${lwlibdir}/liblw.a"
3267 LIBXMENU="\$(OLDXMENU)"
3268 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3269 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3271 ## For a syntactically valid Makefile; not actually used for anything.
3272 ## See comments in src/Makefile.in.
3274 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3275 if test "${HAVE_X_WINDOWS}" = "yes"; then
3284 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3291 AC_SUBST(OLDXMENU_TARGET)
3294 AC_SUBST(LIBX_OTHER)
3295 AC_SUBST(OLDXMENU_DEPS)
3297 if test "${HAVE_MENUS}" = "yes" ; then
3298 AC_DEFINE(HAVE_MENUS, 1,
3299 [Define to 1 if you have mouse menus.
3300 (This is automatic if you use X, but the option to specify it remains.)
3301 It is also defined with other window systems that support xmenu.c.])
3304 if test "${GNU_MALLOC}" = "yes" ; then
3305 AC_DEFINE(GNU_MALLOC, 1,
3306 [Define to 1 if you want to use the GNU memory allocator.])
3310 if test "${REL_ALLOC}" = "yes" ; then
3311 AC_DEFINE(REL_ALLOC, 1,
3312 [Define REL_ALLOC if you want to use the relocating allocator for
3315 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3317 AC_SUBST(RALLOC_OBJ)
3319 if test "$opsys" = "cygwin"; then
3320 CYGWIN_OBJ="sheap.o"
3321 ## Cygwin differs because of its unexec().
3323 POST_ALLOC_OBJ=lastfile.o
3326 PRE_ALLOC_OBJ=lastfile.o
3329 AC_SUBST(CYGWIN_OBJ)
3330 AC_SUBST(PRE_ALLOC_OBJ)
3331 AC_SUBST(POST_ALLOC_OBJ)
3335 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3338 ## The -headerpad option tells ld (see man page) to leave room at the
3339 ## end of the header for adding load commands. Needed for dumping.
3340 ## 0x690 is the total size of 30 segment load commands (at 56
3341 ## each); under Cocoa 31 commands are required.
3342 if test "$HAVE_NS" = "yes"; then
3343 libs_nsgui="-framework AppKit"
3349 LD_SWITCH_SYSTEM_TEMACS="-prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3351 ## This is here because src/Makefile.in did some extra fiddling around
3352 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3353 ## #ifndef LD_SWITCH_SYSTEM
3354 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3355 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3356 ## not using gcc, darwin system not on an alpha (ie darwin, since
3357 ## darwin + alpha does not occur).
3358 ## Because this was done in src/Makefile.in, the resulting part of
3359 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3360 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3361 ## rather than LD_SWITCH_SYSTEM.
3362 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3363 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3366 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3367 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3368 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3369 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3370 ## had different values in configure (in ac_link) and src/Makefile.in.
3371 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3372 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3374 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3377 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3378 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3381 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3387 ## gnu: GNU needs its own crt0.
3388 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3390 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3391 ## library search parth, i.e. it won't search /usr/lib for libc and
3392 ## friends. Using -nostartfiles instead avoids this problem, and
3393 ## will also work on earlier NetBSD releases.
3394 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3396 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3397 ## MkLinux/LinuxPPC needs this.
3398 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3401 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3407 if test "x$ORDINARY_LINK" = "xyes"; then
3410 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3412 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3413 ## freebsd, gnu-* not on macppc|ibms390x.
3414 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3416 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3417 ## places that are difficult to figure out at make time. Fortunately,
3418 ## these same versions allow you to pass arbitrary flags on to the
3419 ## linker, so there is no reason not to use it as a linker.
3421 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3422 ## searching for libraries in its internal directories, so we have to
3423 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3424 LD_FIRSTFLAG="-nostdlib"
3427 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3428 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3430 AC_SUBST(LD_FIRSTFLAG)
3433 ## FIXME? The logic here is not precisely the same as that above.
3434 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3435 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3437 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3440 freebsd|netbsd|openbsd) LIB_GCC= ;;
3443 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3444 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3450 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3451 ## immediately undefine it again and redefine it to empty.
3452 ## Was the C_SWITCH_X_SITE part really necessary?
3453 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3459 ## Ask GCC where to find libgcc.a.
3460 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3466 ## If we're using X11/GNUstep, define some consequences.
3467 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3468 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3469 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3473 AH_TOP([/* GNU Emacs site configuration template file.
3475 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3476 Free Software Foundation, Inc.
3478 This file is part of GNU Emacs.
3480 GNU Emacs is free software: you can redistribute it and/or modify
3481 it under the terms of the GNU General Public License as published by
3482 the Free Software Foundation, either version 3 of the License, or
3483 (at your option) any later version.
3485 GNU Emacs is distributed in the hope that it will be useful,
3486 but WITHOUT ANY WARRANTY; without even the implied warranty of
3487 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3488 GNU General Public License for more details.
3490 You should have received a copy of the GNU General Public License
3491 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3494 /* No code in Emacs #includes config.h twice, but some bits of code
3495 intended to work with other packages as well (like gmalloc.c)
3496 think they can include it as many times as they like. */
3497 #ifndef EMACS_CONFIG_H
3498 #define EMACS_CONFIG_H
3502 /* On AIX 3 this must be included before any other include file. */
3505 # error "alloca not available on this machine"
3508 /* Define AMPERSAND_FULL_NAME if you use the convention
3509 that & in the full name stands for the login id. */
3510 /* Turned on June 1996 supposing nobody will mind it. */
3511 #define AMPERSAND_FULL_NAME
3513 /* `subprocesses' should be defined if you want to
3514 have code for asynchronous subprocesses
3515 (as used in M-x compile and M-x shell).
3516 Only MSDOS does not support this (it overrides
3517 this in its config_opsysfile below). */
3519 #define subprocesses
3521 /* Include the os and machine dependent files. */
3522 #include config_opsysfile
3523 #ifdef config_machfile
3524 # include config_machfile
3527 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3528 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3529 (There is probably a better place to do this, but right now the
3530 Cocoa side does this in s/darwin.h and we cannot parallel this
3531 exactly since GNUstep is multi-OS. */
3532 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3533 # define SYSTEM_PURESIZE_EXTRA 30000
3536 #ifdef emacs /* Don't do this for lib-src. */
3537 /* Tell regex.c to use a type compatible with Emacs. */
3538 #define RE_TRANSLATE_TYPE Lisp_Object
3539 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3541 /* If make_number is a macro, use it. */
3542 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3544 /* If make_number is a function, avoid it. */
3545 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3549 /* These default definitions are good for almost all machines.
3550 Any exceptions should override them in m/MACHINE.h.
3551 They must be usable in preprocessor conditionals. */
3553 #ifndef BITS_PER_CHAR
3554 #define BITS_PER_CHAR 8
3557 #ifndef BITS_PER_SHORT
3558 #define BITS_PER_SHORT 16
3561 #ifndef BITS_PER_INT
3562 #define BITS_PER_INT 32
3565 #ifndef BITS_PER_LONG
3567 #define BITS_PER_LONG 64
3569 #define BITS_PER_LONG 32
3573 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3574 #define BITS_PER_LONG_LONG 64
3577 /* Define if the compiler supports function prototypes. It may do so but
3578 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3584 #if defined __GNUC__ && (__GNUC__ > 2 \
3585 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3586 #define NO_RETURN __attribute__ ((__noreturn__))
3588 #define NO_RETURN /* nothing */
3591 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3592 #define NO_INLINE __attribute__((noinline))
3597 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3598 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3600 #define EXTERNALLY_VISIBLE
3603 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3604 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3606 # define ATTRIBUTE_FORMAT(spec) /* empty */
3609 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3610 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3611 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3613 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3614 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3617 /* Some versions of GNU/Linux define noinline in their headers. */
3622 /* These won't be used automatically yet. We also need to know, at least,
3623 that the stack is continuous. */
3625 # ifndef GC_SETJMP_WORKS
3626 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3627 # define GC_SETJMP_WORKS 1
3629 # ifndef GC_LISP_OBJECT_ALIGNMENT
3630 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3634 #endif /* EMACS_CONFIG_H */
3643 #### Report on what we decided to do.
3644 #### Report GTK as a toolkit, even if it doesn't use Xt.
3645 #### It makes printing result more understandable as using GTK sets
3646 #### toolkit_scroll_bars to yes by default.
3647 if test "${HAVE_GTK}" = "yes"; then
3652 if test -n "$machfile"; then
3653 and_machfile=" and \`${machfile}'"
3657 Configured for \`${canonical}'.
3659 Where should the build process find the source code? ${srcdir}
3660 What operating system and machine description files should Emacs use?
3661 \`${opsysfile}'${and_machfile}
3662 What compiler should emacs be built with? ${CC} ${CFLAGS}
3663 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3664 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3665 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3666 What window system should Emacs use? ${window_system}
3667 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3669 if test -n "${x_includes}"; then
3670 echo " Where do we find X Windows header files? ${x_includes}"
3672 echo " Where do we find X Windows header files? Standard dirs"
3674 if test -n "${x_libraries}"; then
3675 echo " Where do we find X Windows libraries? ${x_libraries}"
3677 echo " Where do we find X Windows libraries? Standard dirs"
3680 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3681 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3682 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3683 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3684 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3685 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3686 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3687 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3689 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3690 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3691 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3692 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3693 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3694 echo " Does Emacs use -lgnutls (2.6.x or higher)? ${HAVE_GNUTLS}"
3695 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3697 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3698 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3699 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3700 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3702 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3705 if test $USE_XASSERTS = yes; then
3706 echo " Compiling with asserts turned on."
3707 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3712 if test "$HAVE_NS" = "yes"; then
3714 echo "You must run \"make install\" in order to test the built application.
3715 The installed application will go to nextstep/Emacs.app and can be
3716 run or moved from there."
3717 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3718 echo "The application will be fully self-contained."
3720 echo "The lisp resources for the application will be installed under ${prefix}.
3721 You may need to run \"make install\" with sudo. The application will fail
3722 to run if these resources are not installed."
3728 # Remove any trailing slashes in these variables.
3729 [test "${prefix}" != NONE &&
3730 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3731 test "${exec_prefix}" != NONE &&
3732 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3734 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3735 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3736 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3737 dnl (else you get "no `Makefile.am' found for any configure output").
3738 dnl This will work, but you get a config.status that is not quite right
3739 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3740 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3741 dnl it seems better to just live with the duplication.
3742 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"
3744 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3745 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3746 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3749 dnl test/ is not present in release tarfiles.
3750 opt_makefile=test/automated/Makefile
3752 if test -f $srcdir/${opt_makefile}.in; then
3753 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3754 dnl Again, it's best not to use a variable. Though you can add
3755 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3756 AC_CONFIG_FILES([test/automated/Makefile])
3759 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3761 AC_SUBST(SUBDIR_MAKEFILES_IN)
3763 dnl Make the necessary directories, if they don't exist.
3764 AC_CONFIG_COMMANDS([mkdirs], [
3765 for dir in etc lisp ; do
3766 test -d ${dir} || mkdir ${dir}
3770 dnl You might wonder (I did) why epaths.h is generated by running make,
3771 dnl rather than just letting configure generate it from epaths.in.
3772 dnl One reason is that the various paths are not fully expanded (see above);
3773 dnl eg gamedir=${prefix}/var/games/emacs.
3774 dnl Secondly, the GNU Coding standards require that one should be able
3775 dnl to run `make prefix=/some/where/else' and override the values set
3776 dnl by configure. This also explains the `move-if-change' test and
3777 dnl the use of force in the `epaths-force' rule in Makefile.in.
3778 AC_CONFIG_COMMANDS([epaths], [
3779 echo creating src/epaths.h
3780 ${MAKE-make} epaths-force
3781 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3783 AC_CONFIG_COMMANDS([gdbinit], [
3784 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3785 echo creating src/.gdbinit
3786 echo source $srcdir/src/.gdbinit > src/.gdbinit
3792 dnl configure.in ends here