1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2011 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.0.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
30 dnl Support for --program-prefix, --program-suffix and
31 dnl --program-transform-name options
34 dnl It is important that variables on the RHS not be expanded here,
35 dnl hence the single quotes. This is per the GNU coding standards, see
36 dnl (autoconf) Installation Directory Variables
37 dnl See also epaths.h below.
38 lispdir='${datadir}/emacs/${version}/lisp'
39 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
40 '${datadir}/emacs/site-lisp'
41 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
42 etcdir='${datadir}/emacs/${version}/etc'
43 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
44 docdir='${datadir}/emacs/${version}/etc'
45 gamedir='${localstatedir}/games/emacs'
47 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
48 dnl Create a new --with option that defaults to being disabled.
49 dnl NAME is the base name of the option. The shell variable with_NAME
50 dnl will be set to either the user's value (if the option is
51 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
52 dnl option is not specified). Note that the shell variable name is
53 dnl constructed as autoconf does, by replacing non-alphanumeric
54 dnl characters with "_".
55 dnl HELP-STRING is the help text for the option.
56 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
57 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
58 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
61 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
62 dnl Create a new --with option that defaults to being enabled. NAME
63 dnl is the base name of the option. The shell variable with_NAME
64 dnl will be set either to 'no' (for a plain --without-NAME) or to
65 dnl 'yes' (if the option is not specified). Note that the shell
66 dnl variable name is constructed as autoconf does, by replacing
67 dnl non-alphanumeric characters with "_".
68 dnl HELP-STRING is the help text for the option.
69 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
70 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
71 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
74 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
75 if test "$with_pop" = yes; then
76 AC_DEFINE(MAIL_USE_POP)
78 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
80 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
81 if test "$with_kerberos" != no; then
85 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
87 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
88 if test "${with_kerberos5}" != no; then
89 if test "${with_kerberos}" = no; then
93 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
96 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
97 dnl FIXME hesiod support may not be present, so it seems like an error
98 dnl to define, or at least use, this unconditionally.
99 if test "$with_hesiod" != no; then
100 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
103 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
104 if test "$with_mmdf" != no; then
105 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
108 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
109 if test "$with_mail_unlink" != no; then
110 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
113 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
114 [string giving default POP mail host])],
115 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
117 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
119 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
120 if test "$with_sync_input" = yes; then
121 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
124 dnl FIXME currently it is not the last.
125 dnl This should be the last --with option, because --with-x is
126 dnl added later on when we find the path of X, and it's best to
127 dnl keep them together visually.
128 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
129 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
130 [ case "${withval}" in
131 y | ye | yes ) val=gtk ;;
133 l | lu | luc | luci | lucid ) val=lucid ;;
134 a | at | ath | athe | athen | athena ) val=athena ;;
135 m | mo | mot | moti | motif ) val=motif ;;
136 g | gt | gtk ) val=gtk ;;
139 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
140 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
141 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
147 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
148 if test "$with_wide_int" = yes; then
149 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
152 dnl _ON results in a '--without' option in the --help output, so
153 dnl the help text should refer to "don't compile", etc.
154 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
155 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
156 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
157 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
158 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
159 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
160 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
161 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
163 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
164 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
165 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
167 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
168 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
169 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
170 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
172 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
173 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
174 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
175 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
176 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
178 ## For the times when you want to build Emacs but don't have
179 ## a suitable makeinfo, and can live without the manuals.
180 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
181 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
183 ## This is an option because I do not know if all info/man support
184 ## compressed files, nor how to test if they do so.
185 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
186 if test $with_compress_info = yes; then
193 AC_ARG_WITH([pkg-config-prog],dnl
194 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
195 [path to pkg-config for finding GTK and librsvg])])
196 if test "X${with_pkg_config_prog}" != X; then
197 if test "${with_pkg_config_prog}" != yes; then
198 PKG_CONFIG="${with_pkg_config_prog}"
203 AC_ARG_WITH([crt-dir],dnl
204 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
205 The default is /usr/lib, or /usr/lib64 on some platforms.])])
206 CRT_DIR="${with_crt_dir}"
208 AC_ARG_WITH(gameuser,dnl
209 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
210 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
211 && gameuser="${with_gameuser}"
212 test "X$gameuser" = X && gameuser=games
214 AC_ARG_WITH([gnustep-conf],dnl
215 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
216 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
217 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
218 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
219 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
221 AC_ARG_ENABLE(ns-self-contained,
222 [AS_HELP_STRING([--disable-ns-self-contained],
223 [disable self contained build under NeXTstep])],
224 EN_NS_SELF_CONTAINED=$enableval,
225 EN_NS_SELF_CONTAINED=yes)
227 AC_ARG_ENABLE(asserts,
228 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
229 USE_XASSERTS=$enableval,
232 AC_ARG_ENABLE(maintainer-mode,
233 [AS_HELP_STRING([--enable-maintainer-mode],
234 [enable make rules and dependencies not useful (and sometimes
235 confusing) to the casual installer])],
236 USE_MAINTAINER_MODE=$enableval,
237 USE_MAINTAINER_MODE=yes)
238 if test $USE_MAINTAINER_MODE = yes; then
245 AC_ARG_ENABLE(locallisppath,
246 [AS_HELP_STRING([--enable-locallisppath=PATH],
247 [directories Emacs should search for lisp files specific
249 if test "${enableval}" = "no"; then
251 elif test "${enableval}" != "yes"; then
252 locallisppath=${enableval}
255 AC_ARG_ENABLE(checking,
256 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
257 [enable expensive run-time checks. With LIST,
258 enable only specific categories of checks.
259 Categories are: all,yes,no.
260 Flags are: stringbytes, stringoverrun, stringfreelist,
261 xmallocoverrun, conslist])],
262 [ac_checking_flags="${enableval}"],[])
263 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
264 for check in $ac_checking_flags
267 # these set all the flags to specific states
268 yes) ac_enable_checking=1 ;;
269 no) ac_enable_checking= ;
270 ac_gc_check_stringbytes= ;
271 ac_gc_check_string_overrun= ;
272 ac_gc_check_string_free_list= ;
273 ac_xmalloc_overrun= ;
274 ac_gc_check_cons_list= ;;
275 all) ac_enable_checking=1 ;
276 ac_gc_check_stringbytes=1 ;
277 ac_gc_check_string_overrun=1 ;
278 ac_gc_check_string_free_list=1 ;
279 ac_xmalloc_overrun=1 ;
280 ac_gc_check_cons_list=1 ;;
281 # these enable particular checks
282 stringbytes) ac_gc_check_stringbytes=1 ;;
283 stringoverrun) ac_gc_check_string_overrun=1 ;;
284 stringfreelist) ac_gc_check_string_free_list=1 ;;
285 xmallocoverrun) ac_xmalloc_overrun=1 ;;
286 conslist) ac_gc_check_cons_list=1 ;;
287 *) AC_MSG_ERROR(unknown check category $check) ;;
292 if test x$ac_enable_checking != x ; then
293 AC_DEFINE(ENABLE_CHECKING, 1,
294 [Enable expensive run-time checking of data types?])
296 if test x$ac_gc_check_stringbytes != x ; then
297 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
298 [Define this temporarily to hunt a bug. If defined, the size of
299 strings is redundantly recorded in sdata structures so that it can
300 be compared to the sizes recorded in Lisp strings.])
302 if test x$ac_gc_check_string_overrun != x ; then
303 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
304 [Define this to check for short string overrun.])
306 if test x$ac_gc_check_string_free_list != x ; then
307 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
308 [Define this to check the string free list.])
310 if test x$ac_xmalloc_overrun != x ; then
311 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
312 [Define this to check for malloc buffer overrun.])
314 if test x$ac_gc_check_cons_list != x ; then
315 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
316 [Define this to check for errors in cons list.])
319 AC_ARG_ENABLE(use-lisp-union-type,
320 [AS_HELP_STRING([--enable-use-lisp-union-type],
321 [use a union for the Lisp_Object data type.
322 This is only useful for development for catching certain types of bugs.])],
323 if test "${enableval}" != "no"; then
324 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
325 [Define this to use a lisp union for the Lisp_Object data type.])
329 AC_ARG_ENABLE(profiling,
330 [AS_HELP_STRING([--enable-profiling],
331 [build emacs with profiling support.
332 This might not work on all platforms])],
333 [ac_enable_profiling="${enableval}"],[])
334 if test x$ac_enable_profiling != x ; then
335 PROFILING_CFLAGS="-DPROFILING=1 -pg"
339 AC_SUBST(PROFILING_CFLAGS)
341 AC_ARG_ENABLE(autodepend,
342 [AS_HELP_STRING([--enable-autodepend],
343 [automatically generate dependencies to .h-files.
344 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
346 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
348 #### Make srcdir absolute, if it isn't already. It's important to
349 #### avoid running the path through pwd unnecessarily, since pwd can
350 #### give you automounter prefixes, which can go away. We do all this
351 #### so Emacs can find its files when run uninstalled.
352 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
357 ## We may be able to use the $PWD environment variable to make this
358 ## absolute. But sometimes PWD is inaccurate.
359 ## Note: we used to use ${PWD} at the end instead of `pwd`,
360 ## but that tested only for a well-formed and valid PWD,
361 ## it did not object when PWD was well-formed and valid but just wrong.
362 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
366 srcdir="`(cd ${srcdir}; pwd)`"
369 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
372 #### Given the configuration name, set machfile and opsysfile to the
373 #### names of the m/*.h and s/*.h files we should use.
375 ### Canonicalize the configuration name.
379 configuration=${host_alias-${build_alias-$host}}
381 dnl This used to use changequote, but, apart from `changequote is evil'
382 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
383 dnl the great gob of text. Thus it's not processed for possible expansion.
384 dnl Just make sure the brackets remain balanced.
386 dnl Since Emacs can't find matching pairs of quotes, boundaries are
387 dnl indicated by comments.
391 ### If you add support for a new configuration, add code to this
392 ### switch statement to recognize your configuration name and select
393 ### the appropriate operating system and machine description files.
395 ### You would hope that you could choose an m/*.h file pretty much
396 ### based on the machine portion of the configuration name, and an s/*.h
397 ### file based on the operating system portion. However, it turns out
398 ### that each m/*.h file is pretty manufacturer-specific - for
399 ### example mips.h is MIPS
400 ### So we basically have to have a special case for each
401 ### configuration name.
403 ### As far as handling version numbers on operating systems is
404 ### concerned, make sure things will fail in a fixable way. If
405 ### /etc/MACHINES doesn't say anything about version numbers, be
406 ### prepared to handle anything reasonably. If version numbers
407 ### matter, be sure /etc/MACHINES says something about it.
409 machine='' opsys='' unported=no
410 case "${canonical}" in
416 alpha*) machine=alpha ;;
417 s390-*) machine=ibms390 ;;
418 s390x-*) machine=ibms390x ;;
419 powerpc*) machine=macppc ;;
420 sparc*) machine=sparc ;;
421 ia64*) machine=ia64 ;;
422 m68k*) machine=m68k ;;
423 x86_64*) machine=amdx86-64 ;;
430 case "${canonical}" in
431 alpha*) machine=alpha ;;
432 amd64-*|x86_64-*) machine=amdx86-64 ;;
433 ia64-*) machine=ia64 ;;
434 i[3456]86-*) machine=intel386 ;;
435 powerpc-*) machine=macppc ;;
436 sparc-*) machine=sparc ;;
437 sparc64-*) machine=sparc ;;
441 ## FreeBSD kernel + glibc based userland
444 case "${canonical}" in
445 alpha*) machine=alpha ;;
446 amd64-*|x86_64-*) machine=amdx86-64 ;;
447 ia64-*) machine=ia64 ;;
448 i[3456]86-*) machine=intel386 ;;
449 powerpc-*) machine=macppc ;;
450 sparc-*) machine=sparc ;;
451 sparc64-*) machine=sparc ;;
458 case "${canonical}" in
459 alpha*) machine=alpha ;;
460 x86_64-*) machine=amdx86-64 ;;
461 i[3456]86-*) machine=intel386 ;;
462 m68k-*) machine=m68k ;;
463 powerpc-*) machine=macppc ;;
464 sparc*-) machine=sparc ;;
465 vax-*) machine=vax ;;
472 case "${canonical}" in
473 alpha*) machine=alpha ;;
474 x86_64-*) machine=amdx86-64 ;;
475 i386-*) machine=intel386 ;;
476 powerpc-*) machine=macppc ;;
477 sparc*) machine=sparc ;;
478 vax-*) machine=vax ;;
482 ## Apple Darwin / Mac OS X
484 case "${canonical}" in
485 i[3456]86-* ) machine=intel386 ;;
486 powerpc-* ) machine=macppc ;;
487 x86_64-* ) machine=amdx86-64 ;;
491 # Define CPP as follows to make autoconf work correctly.
492 CPP="${CC-cc} -E -no-cpp-precomp"
493 # Use fink packages if available.
494 if test -d /sw/include && test -d /sw/lib; then
495 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
496 CPP="${CPP} ${GCC_TEST_OPTIONS}"
497 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
501 ## HP 9000 series 700 and 800, running HP/UX
505 hppa*-hp-hpux1[1-9]* )
507 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
510 ia64*-hp-hpux1[1-9]* )
511 machine=hp800 opsys=hpux11
512 ## FIXME. Peter O'Gorman reports that dumping using unexelf.o doesn't
513 ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
518 machine=hp800 opsys=gnu-linux
522 rs6000-ibm-aix4.[23]* )
523 machine=ibmrs6000 opsys=aix4-2
525 powerpc-ibm-aix4.[23]* )
526 machine=ibmrs6000 opsys=aix4-2
528 rs6000-ibm-aix[56]* )
529 machine=ibmrs6000 opsys=aix4-2
531 powerpc-ibm-aix[56]* )
532 machine=ibmrs6000 opsys=aix4-2
535 ## Silicon Graphics machines
538 machine=iris4d opsys=irix6-5
539 # Without defining _LANGUAGE_C, things get masked out in the headers
540 # so that, for instance, grepping for `free' in stdlib.h fails and
541 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
542 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
543 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
548 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
549 | x86_64-*-solaris2* | x86_64-*-sunos5*)
550 case "${canonical}" in
551 i[3456]86-*-* ) machine=intel386 ;;
552 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
553 sparc* ) machine=sparc ;;
556 case "${canonical}" in
557 *-sunos5.6* | *-solaris2.6* )
559 NON_GNU_CPP=/usr/ccs/lib/cpp
562 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
564 emacs_check_sunpro_c=yes
565 NON_GNU_CPP=/usr/ccs/lib/cpp
567 *-sunos5* | *-solaris* )
569 emacs_check_sunpro_c=yes
570 NON_GNU_CPP=/usr/ccs/lib/cpp
573 ## Watch out for a compiler that we know will not work.
574 case "${canonical}" in
575 *-solaris* | *-sunos5* )
576 if [ "x$CC" = x/usr/ucb/cc ]; then
577 ## /usr/ucb/cc doesn't work;
578 ## we should find some other compiler that does work.
586 ## Intel 386 machines where we don't care about the manufacturer.
589 case "${canonical}" in
590 *-cygwin ) opsys=cygwin ;;
591 *-darwin* ) opsys=darwin
592 CPP="${CC-cc} -E -no-cpp-precomp"
594 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
595 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
596 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
597 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
606 ### If the code above didn't choose an operating system, just choose
607 ### an operating system based on the configuration name. You really
608 ### only want to use this when you have no idea what the right
609 ### operating system is; if you know what operating systems a machine
610 ### runs, it's cleaner to make it explicit in the case statement
612 if test x"${opsys}" = x; then
613 case "${canonical}" in
614 *-gnu* ) opsys=gnu ;;
624 if test $unported = yes; then
625 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
626 Check `etc/MACHINES' for recognized configuration names.])
629 if test -n "$machine"; then
630 machfile="m/${machine}.h"
634 opsysfile="s/${opsys}.h"
637 #### Choose a compiler.
638 test -n "$CC" && cc_specified=yes
640 # Save the value of CFLAGS that the user specified.
641 SPECIFIED_CFLAGS="$CFLAGS"
643 dnl Sets GCC=yes if using gcc.
647 # Initialize gnulib right after verifying that the C compiler works.
650 # On Suns, sometimes $CPP names a directory.
651 if test -n "$CPP" && test -d "$CPP"; then
655 ## If not using gcc, and on Solaris, and no CPP specified, see if
656 ## using a Sun compiler, which needs -Xs to prevent whitespace.
657 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
658 test x"$CPP" = x; then
659 AC_MSG_CHECKING([whether we are using a Sun C compiler])
660 AC_CACHE_VAL(emacs_cv_sunpro_c,
661 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
665 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
666 AC_MSG_RESULT($emacs_cv_sunpro_c)
668 if test x"$emacs_cv_sunpro_c" = xyes; then
669 NON_GNU_CPP="$CC -E -Xs"
673 #### Some systems specify a CPP to use unless we are using GCC.
674 #### Now that we know whether we are using GCC, we can decide whether
675 #### to use that one.
676 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
681 #### Some systems specify a CC to use unless we are using GCC.
682 #### Now that we know whether we are using GCC, we can decide whether
683 #### to use that one.
684 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
685 test x$cc_specified != xyes
690 if test x$GCC = xyes; then
691 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
693 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
696 ### Use -Wdeclaration-after-statement if the compiler supports it
697 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
698 SAVE_CFLAGS="$CFLAGS"
699 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
700 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
701 if test $has_option = yes; then
702 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
704 AC_MSG_RESULT($has_option)
705 CFLAGS="$SAVE_CFLAGS"
709 ### Use -Wold-style-definition if the compiler supports it
710 # This can be removed when conversion to standard C is finished.
711 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
712 SAVE_CFLAGS="$CFLAGS"
713 CFLAGS="$CFLAGS -Wold-style-definition"
714 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
715 if test $has_option = yes; then
716 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
718 AC_MSG_RESULT($has_option)
719 CFLAGS="$SAVE_CFLAGS"
723 ### Use -Wimplicit-function-declaration if the compiler supports it
724 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
725 SAVE_CFLAGS="$CFLAGS"
726 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
727 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
728 if test $has_option = yes; then
729 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
731 AC_MSG_RESULT($has_option)
732 CFLAGS="$SAVE_CFLAGS"
736 AC_SUBST(C_WARNINGS_SWITCH)
739 #### Some other nice autoconf tests.
741 dnl checks for programs
744 if test "x$RANLIB" = x; then
748 ## Although we're running on an amd64 kernel, we're actually compiling for
749 ## the x86 architecture. The user should probably have provided an
750 ## explicit --build to `configure', but if everything else than the kernel
751 ## is running in i386 mode, we can help them out.
752 if test "$machine" = "amdx86-64"; then
753 AC_CHECK_DECL([i386])
754 if test "$ac_cv_have_decl_i386" = "yes"; then
755 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
757 machfile="m/${machine}.h"
761 AC_PATH_PROG(INSTALL_INFO, install-info)
762 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
763 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
764 dnl Don't use GZIP, which is used by gzip for additional parameters.
765 AC_PATH_PROG(GZIP_PROG, gzip)
768 ## Need makeinfo >= 4.6 (?) to build the manuals.
769 AC_PATH_PROG(MAKEINFO, makeinfo, no)
770 dnl By this stage, configure has already checked for egrep and set EGREP,
771 dnl or exited with an error if no egrep was found.
772 if test "$MAKEINFO" != "no" && \
773 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
777 ## Makeinfo is unusual. For a released Emacs, the manuals are
778 ## pre-built, and not deleted by the normal clean rules. makeinfo is
779 ## therefore in the category of "special tools" not normally required, which
780 ## configure does not have to check for (eg autoconf itself).
781 ## In a Bazaar checkout on the other hand, the manuals are not included.
782 ## So makeinfo is a requirement to build from Bazaar, and configure
783 ## should test for it as it does for any other build requirement.
784 ## We use the presence of $srcdir/info/emacs to distinguish a release,
785 ## with pre-built manuals, from a Bazaar checkout.
788 if test "$MAKEINFO" = "no"; then
790 if test "x${with_makeinfo}" = "xno"; then
792 elif test ! -e $srcdir/info/emacs; then
793 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
794 source tree does not seem to have pre-built manuals in the `info' directory.
795 Either install a suitable version of makeinfo, or re-run configure
796 with the `--without-makeinfo' option to build without the manuals.] )
799 AC_SUBST(HAVE_MAKEINFO)
801 dnl Add our options to ac_link now, after it is set up.
803 if test x$GCC = xyes; then
804 test "x$GCC_LINK_TEST_OPTIONS" != x && \
805 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
807 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
808 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
811 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
812 dnl If we can link with the flag, it shouldn't do any harm anyhow.
813 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
814 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
815 dnl if not built to support GNU ld.
817 late_LDFLAGS=$LDFLAGS
818 if test x$GCC = xyes; then
819 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
821 LDFLAGS="$LDFLAGS -znocombreloc"
824 AC_MSG_CHECKING([for -znocombreloc])
825 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
826 [AC_MSG_RESULT(yes)],
827 LDFLAGS=$late_LDFLAGS
831 # The value of CPP is a quoted variable reference, so we need to do this
832 # to get its actual value...
833 CPP=`eval "echo $CPP"`
836 dnl The function dump-emacs will not be defined and temacs will do
837 dnl (load "loadup") automatically unless told otherwise.
838 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
840 your-opsys-here) CANNOT_DUMP=yes ;;
843 test "$CANNOT_DUMP" = "yes" && \
844 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
846 AC_SUBST(CANNOT_DUMP)
851 # MSDOS uses unexcoff.o
852 # MSWindows uses unexw32.o
860 UNEXEC_OBJ=unexmacosx.o
863 UNEXEC_OBJ=unexhp9k800.o
866 # Use the Solaris dldump() function, called from unexsol.c, to dump
867 # emacs, instead of the generic ELF dump code found in unexelf.c.
868 # The resulting binary has a complete symbol table, and is better
869 # for debugging and other observability tools (debuggers, pstack, etc).
871 # If you encounter a problem using dldump(), please consider sending
872 # a message to the OpenSolaris tools-linking mailing list:
873 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
875 # It is likely that dldump() works with older Solaris too, but this has
876 # not been tested, so for now this change is for Solaris 10 or newer.
884 ## Let `ld' find image libs and similar things in /usr/local/lib.
885 ## The system compiler, GCC, has apparently been modified to not
886 ## look there, contrary to what a stock GCC would do.
887 LD_SWITCH_SYSTEM=-L/usr/local/lib
891 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
892 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
896 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
900 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
901 ## otherwise Emacs dumps core on elf systems.
902 LD_SWITCH_SYSTEM="-Z"
905 AC_SUBST(LD_SWITCH_SYSTEM)
907 ac_link="$ac_link $LD_SWITCH_SYSTEM"
909 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
910 ## which has not been defined yet. When this was handled with cpp,
911 ## it was expanded to null when configure sourced the s/*.h file.
912 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
913 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
914 ## (or somesuch), but because it is supposed to go at the _front_
915 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
916 ## Compare with the gnu-linux case below, which added to the end
917 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
918 ## LD_SWITCH_SYSTEM_TEMACS.
921 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
922 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
927 if test "$machine" = "alpha"; then
928 AC_CHECK_DECL([__ELF__])
929 if test "$ac_cv_have_decl___ELF__" = "yes"; then
930 ## With ELF, make sure that all common symbols get allocated to in the
931 ## data section. Otherwise, the dump of temacs may miss variables in
932 ## the shared library that have been initialized. For example, with
933 ## GNU libc, __malloc_initialized would normally be resolved to the
934 ## shared library's .bss section, which is fatal.
935 if test "x$GCC" = "xyes"; then
936 C_SWITCH_MACHINE="-fno-common"
938 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
941 UNEXEC_OBJ=unexalpha.o
944 AC_SUBST(C_SWITCH_MACHINE)
949 ## Some programs in src produce warnings saying certain subprograms
950 ## are too complex and need a MAXMEM value greater than 2000 for
951 ## additional optimization. --nils@exp-math.uni-essen.de
952 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
953 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
954 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
955 ## It is redundant in glibc2, since we define _GNU_SOURCE.
956 AC_SUBST(C_SWITCH_SYSTEM)
961 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
962 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
964 freebsd) LIBS_SYSTEM="-lutil" ;;
966 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
968 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
970 ## Motif needs -lgen.
971 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
973 AC_SUBST(LIBS_SYSTEM)
976 ### Make sure subsequent tests use flags consistent with the build flags.
978 if test x"${OVERRIDE_CPPFLAGS}" != x; then
979 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
981 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
984 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
985 AC_DEFUN([AC_TYPE_SIZE_T])
987 dnl Do this early because it can frob feature test macros for Unix-98 &c.
998 START_FILES='pre-crt0.o'
1001 ## Adding -lm confuses the dynamic linker, so omit it.
1003 START_FILES='pre-crt0.o'
1006 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1007 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1009 gnu-linux | gnu-kfreebsd )
1010 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1011 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1013 hpux10-20 | hpux11 )
1015 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1018 if test -f $CRT_DIR/crti.o; then
1019 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1020 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1022 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1023 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1029 AC_SUBST(START_FILES)
1031 dnl Not all platforms use crtn.o files. Check if the current one does.
1034 for file in x $LIB_STANDARD $START_FILES; do
1036 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1040 if test "x$crt_files" != x; then
1042 ## If user specified a crt-dir, use that unconditionally.
1045 if test "X$CRT_DIR" = "X"; then
1047 CRT_DIR=/usr/lib # default
1049 case "$canonical" in
1050 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1051 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1052 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1053 ## For anything else (eg /usr/lib32), it is up the user to specify
1054 ## the location (bug#5655).
1055 ## Test for crtn.o, not just the directory, because sometimes the
1056 ## directory exists but does not have the relevant files (bug#1287).
1057 ## FIXME better to test for binary compatibility somehow.
1058 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1061 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1065 hpux10-20) CRT_DIR=/lib ;;
1068 test "x${GCC}" = xyes && crt_gcc=yes
1074 for file in $crt_files; do
1076 ## If we're using gcc, try to determine it automatically by asking
1077 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1078 ## system-dependent default from above.]
1079 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1081 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1084 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1089 dnl We expect all the files to be in a single directory, so after the
1090 dnl first there is no point asking gcc.
1093 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1096 test "x$crt_missing" = x || \
1097 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1098 Try using the --with-crt-dir option.])
1100 fi # crt_files != ""
1105 dnl This function definition taken from Gnome 2.0
1106 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1107 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1108 dnl also defines GSTUFF_PKG_ERRORS on error
1109 AC_DEFUN([PKG_CHECK_MODULES], [
1112 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1114 if test "$PKG_CONFIG" = "no" ; then
1115 ifelse([$4], , [AC_MSG_ERROR([
1116 *** 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])
1118 PKG_CONFIG_MIN_VERSION=0.9.0
1119 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1120 AC_MSG_CHECKING(for $2)
1122 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1126 AC_MSG_CHECKING($1_CFLAGS)
1127 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1128 AC_MSG_RESULT($$1_CFLAGS)
1130 AC_MSG_CHECKING($1_LIBS)
1131 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1132 AC_MSG_RESULT($$1_LIBS)
1137 ## If we have a custom action on failure, don't print errors, but
1138 ## do set a variable so people can do so.
1139 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1140 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1146 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1147 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1151 if test $succeeded = yes; then
1152 ifelse([$3], , :, [$3])
1154 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.])], [$4])
1159 if test "${with_sound}" != "no"; then
1160 # Sound support for GNU/Linux and the free BSDs.
1161 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1162 have_sound_header=yes)
1163 # Emulation library used on NetBSD.
1164 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1168 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1169 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1170 if test $HAVE_ALSA = yes; then
1171 SAVE_CFLAGS="$CFLAGS"
1172 SAVE_LDFLAGS="$LDFLAGS"
1173 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1174 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1175 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1176 emacs_alsa_normal=yes,
1177 emacs_alsa_normal=no)
1178 if test "$emacs_alsa_normal" != yes; then
1179 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1180 [[snd_lib_error_set_handler (0);]])],
1181 emacs_alsa_subdir=yes,
1182 emacs_alsa_subdir=no)
1183 if test "$emacs_alsa_subdir" != yes; then
1184 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1186 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1189 CFLAGS="$SAVE_CFLAGS"
1190 LDFLAGS="$SAVE_LDFLAGS"
1191 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1192 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1193 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1196 dnl Define HAVE_SOUND if we have sound support. We know it works and
1197 dnl compiles only on the specified platforms. For others, it
1198 dnl probably doesn't make sense to try.
1199 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1201 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1202 gnu-linux|freebsd|netbsd)
1203 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1208 AC_SUBST(CFLAGS_SOUND)
1211 dnl checks for header files
1212 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1213 linux/version.h sys/systeminfo.h limits.h \
1214 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1215 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1216 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1218 AC_MSG_CHECKING(if personality LINUX32 can be set)
1219 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1220 emacs_cv_personality_linux32=yes,
1221 emacs_cv_personality_linux32=no)
1222 AC_MSG_RESULT($emacs_cv_personality_linux32)
1224 if test $emacs_cv_personality_linux32 = yes; then
1225 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1226 [Define to 1 if personality LINUX32 can be set.])
1229 dnl On Solaris 8 there's a compilation warning for term.h because
1230 dnl it doesn't define `bool'.
1231 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 $DBUS_LIBS"
1977 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1978 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1984 dnl GConf has been tested under GNU/Linux only.
1985 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1987 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1988 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1989 if test "$HAVE_GCONF" = yes; then
1990 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1991 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1992 AC_CHECK_FUNCS([g_type_init])
1996 dnl SELinux is available for GNU/Linux only.
1999 if test "${with_selinux}" = "yes"; then
2000 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2001 if test "$HAVE_LIBSELINUX" = yes; then
2002 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2003 LIBSELINUX_LIBS=-lselinux
2006 AC_SUBST(LIBSELINUX_LIBS)
2009 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2010 if test "${with_gnutls}" = "yes" ; then
2011 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.0], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2012 if test "${HAVE_GNUTLS}" = "yes"; then
2013 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2016 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2017 LIBS="$LIBGNUTLS_LIBS $LIBS"
2018 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2020 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2021 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2025 AC_SUBST(LIBGNUTLS_LIBS)
2026 AC_SUBST(LIBGNUTLS_CFLAGS)
2028 dnl Do not put whitespace before the #include statements below.
2029 dnl Older compilers (eg sunos4 cc) choke on it.
2032 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2033 if test "$with_xaw3d" != no; then
2034 AC_MSG_CHECKING(for xaw3d)
2035 AC_CACHE_VAL(emacs_cv_xaw3d,
2036 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2037 #include <X11/Intrinsic.h>
2038 #include <X11/Xaw3d/Simple.h>]],
2040 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2041 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2042 emacs_cv_xaw3d=no)])
2046 if test $emacs_cv_xaw3d = yes; then
2047 AC_MSG_RESULT([yes; using Lucid toolkit])
2051 AC_DEFINE(HAVE_XAW3D, 1,
2052 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2055 AC_MSG_CHECKING(for libXaw)
2056 AC_CACHE_VAL(emacs_cv_xaw,
2057 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2058 #include <X11/Intrinsic.h>
2059 #include <X11/Xaw/Simple.h>]],
2063 if test $emacs_cv_xaw = yes; then
2064 AC_MSG_RESULT([yes; using Lucid toolkit])
2067 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2068 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2070 AC_MSG_ERROR([No X toolkit could be found.
2071 If you are sure you want Emacs compiled without an X toolkit, pass
2073 to configure. Otherwise, install the development libraries for the toolkit
2074 that you want to use (e.g. Gtk+) and re-run configure.])
2079 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2082 if test "${USE_X_TOOLKIT}" != "none"; then
2083 AC_MSG_CHECKING(X11 toolkit version)
2084 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2085 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2086 [[#if XtSpecificationRelease < 6
2089 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2090 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2091 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2092 AC_MSG_RESULT(6 or newer)
2093 AC_DEFINE(HAVE_X11XTR6, 1,
2094 [Define to 1 if you have the X11R6 or newer version of Xt.])
2095 LIBXTR6="-lSM -lICE"
2097 ## Use libw.a along with X11R6 Xt.
2098 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2101 AC_MSG_RESULT(before 6)
2104 dnl If using toolkit, check whether libXmu.a exists.
2105 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2107 if test x$HAVE_X11XTR6 = xyes; then
2108 LIBS="-lXt -lSM -lICE $LIBS"
2112 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2113 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2117 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2118 dnl Why not just test for libxmu in the normal way?
2121 ## These systems don't supply Xmu.
2123 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2128 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2129 if test "${HAVE_X11}" = "yes"; then
2130 if test "${USE_X_TOOLKIT}" != "none"; then
2131 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2136 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2137 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2138 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2139 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2142 Motif version prior to 2.1.
2144 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2145 if test $emacs_cv_motif_version_2_1 = yes; then
2146 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2148 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2149 # We put this in CFLAGS temporarily to precede other -I options
2150 # that might be in CFLAGS temporarily.
2151 # We put this in CPPFLAGS where it precedes the other -I options.
2152 OLD_CPPFLAGS=$CPPFLAGS
2154 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2155 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2156 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2158 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2159 if test $emacs_cv_lesstif = yes; then
2160 # Make sure this -I option remains in CPPFLAGS after it is set
2161 # back to REAL_CPPFLAGS.
2162 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2163 # have those other -I options anyway. Ultimately, having this
2164 # directory ultimately in CPPFLAGS will be enough.
2165 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2166 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2169 CPPFLAGS=$OLD_CPPFLAGS
2174 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2175 dnl using Motif or Xaw3d is available, and unless
2176 dnl --with-toolkit-scroll-bars=no was specified.
2178 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2179 [Define to 1 if we should use toolkit scroll bars.])dnl
2180 USE_TOOLKIT_SCROLL_BARS=no
2181 if test "${with_toolkit_scroll_bars}" != "no"; then
2182 if test "${USE_X_TOOLKIT}" != "none"; then
2183 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2184 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2186 USE_TOOLKIT_SCROLL_BARS=yes
2187 elif test "${HAVE_XAW3D}" = "yes"; then
2188 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2189 USE_TOOLKIT_SCROLL_BARS=yes
2191 elif test "${HAVE_GTK}" = "yes"; then
2192 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2193 USE_TOOLKIT_SCROLL_BARS=yes
2194 elif test "${HAVE_NS}" = "yes"; then
2195 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2196 USE_TOOLKIT_SCROLL_BARS=yes
2200 dnl See if XIM is available.
2201 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2202 #include <X11/Xlib.h>
2203 #include <X11/Xresource.h>]],
2204 [[XIMProc callback;]])],
2206 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2209 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2211 if test "${with_xim}" != "no"; then
2212 AC_DEFINE(USE_XIM, 1,
2213 [Define to 1 if we should use XIM, if it is available.])
2217 if test "${HAVE_XIM}" != "no"; then
2219 if test "$GCC" = yes; then
2220 CFLAGS="$CFLAGS --pedantic-errors"
2222 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2223 #include <X11/Xlib.h>
2224 #include <X11/Xresource.h>]],
2230 XPointer *client_data;
2232 /* If we're not using GCC, it's probably not XFree86, and this is
2233 probably right, but we can't use something like --pedantic-errors. */
2234 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2235 char*, XIMProc, XPointer*);
2237 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2239 [emacs_cv_arg6_star=yes])
2240 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2241 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2242 either XPointer or XPointer*.])dnl
2243 if test "$emacs_cv_arg6_star" = yes; then
2244 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2246 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2251 ### Start of font-backend (under any platform) section.
2252 # (nothing here yet -- this is a placeholder)
2253 ### End of font-backend (under any platform) section.
2255 ### Start of font-backend (under X11) section.
2256 if test "${HAVE_X11}" = "yes"; then
2257 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2259 ## Use -lXft if available, unless `--with-xft=no'.
2261 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2264 if test "x${with_xft}" != "xno"; then
2266 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2267 ## Because xftfont.c uses XRenderQueryExtension, we also
2268 ## need to link to -lXrender.
2270 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2271 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2272 OLD_CPPFLAGS="$CPPFLAGS"
2273 OLD_CFLAGS="$CFLAGS"
2275 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2276 CFLAGS="$CFLAGS $XFT_CFLAGS"
2277 XFT_LIBS="-lXrender $XFT_LIBS"
2278 LIBS="$XFT_LIBS $LIBS"
2279 AC_CHECK_HEADER(X11/Xft/Xft.h,
2280 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2282 if test "${HAVE_XFT}" = "yes"; then
2283 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2285 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2287 CPPFLAGS="$OLD_CPPFLAGS"
2288 CFLAGS="$OLD_CFLAGS"
2290 fi # "${HAVE_XFT}" = "yes"
2291 fi # "$HAVE_XFT" != no
2292 fi # "x${with_xft}" != "xno"
2294 ## We used to allow building with FreeType and without Xft.
2295 ## However, the ftx font backend driver is not in good shape.
2296 if test "$HAVE_XFT" != "yes"; then
2297 dnl For the "Does Emacs use" message at the end.
2301 dnl Strict linkers fail with
2302 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2303 dnl if -lfreetype is not specified.
2304 dnl The following is needed to set FREETYPE_LIBS.
2305 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2308 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2312 if test "${HAVE_FREETYPE}" = "yes"; then
2313 AC_DEFINE(HAVE_FREETYPE, 1,
2314 [Define to 1 if using the freetype and fontconfig libraries.])
2315 if test "${with_libotf}" != "no"; then
2316 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2318 if test "$HAVE_LIBOTF" = "yes"; then
2319 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2320 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2321 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2322 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2323 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2324 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2325 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2329 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2330 dnl Does the new font backend require it, or can it work without it?
2334 if test "${HAVE_LIBOTF}" = yes; then
2335 if test "${with_m17n_flt}" != "no"; then
2336 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2337 if test "$HAVE_M17N_FLT" = "yes"; then
2338 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2349 ### End of font-backend (under X11) section.
2351 AC_SUBST(FREETYPE_CFLAGS)
2352 AC_SUBST(FREETYPE_LIBS)
2353 AC_SUBST(FONTCONFIG_CFLAGS)
2354 AC_SUBST(FONTCONFIG_LIBS)
2355 AC_SUBST(LIBOTF_CFLAGS)
2356 AC_SUBST(LIBOTF_LIBS)
2357 AC_SUBST(M17N_FLT_CFLAGS)
2358 AC_SUBST(M17N_FLT_LIBS)
2360 ### Use -lXpm if available, unless `--with-xpm=no'.
2363 if test "${HAVE_X11}" = "yes"; then
2364 if test "${with_xpm}" != "no"; then
2365 AC_CHECK_HEADER(X11/xpm.h,
2366 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2367 if test "${HAVE_XPM}" = "yes"; then
2368 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2369 AC_EGREP_CPP(no_return_alloc_pixels,
2370 [#include "X11/xpm.h"
2371 #ifndef XpmReturnAllocPixels
2372 no_return_alloc_pixels
2374 ], HAVE_XPM=no, HAVE_XPM=yes)
2376 if test "${HAVE_XPM}" = "yes"; then
2384 if test "${HAVE_XPM}" = "yes"; then
2385 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2391 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2394 if test "${HAVE_X11}" = "yes"; then
2395 if test "${with_jpeg}" != "no"; then
2396 dnl Checking for jpeglib.h can lose because of a redefinition of
2398 AC_CHECK_HEADER(jerror.h,
2399 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2402 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2403 if test "${HAVE_JPEG}" = "yes"; then
2404 AC_DEFINE(HAVE_JPEG)
2405 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2406 [#include <jpeglib.h>
2407 version=JPEG_LIB_VERSION
2409 [AC_DEFINE(HAVE_JPEG)],
2410 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2413 if test "${HAVE_JPEG}" = "yes"; then
2419 ### Use -lpng if available, unless `--with-png=no'.
2422 if test "${HAVE_X11}" = "yes"; then
2423 if test "${with_png}" != "no"; then
2424 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2425 # in /usr/include/libpng.
2426 AC_CHECK_HEADERS(png.h libpng/png.h)
2427 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2428 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2432 if test "${HAVE_PNG}" = "yes"; then
2433 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2434 LIBPNG="-lpng -lz -lm"
2439 ### Use -ltiff if available, unless `--with-tiff=no'.
2442 if test "${HAVE_X11}" = "yes"; then
2443 if test "${with_tiff}" != "no"; then
2444 AC_CHECK_HEADER(tiffio.h,
2446 # At least one tiff package requires the jpeg library.
2447 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2448 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2451 if test "${HAVE_TIFF}" = "yes"; then
2452 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2453 dnl FIXME -lz -lm, as per libpng?
2459 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2462 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2463 AC_CHECK_HEADER(gif_lib.h,
2464 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2465 # Earlier versions can crash Emacs.
2466 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2468 if test "$HAVE_GIF" = yes; then
2470 elif test "$HAVE_GIF" = maybe; then
2471 # If gif_lib.h but no libgif, try libungif.
2472 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2473 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2476 if test "${HAVE_GIF}" = "yes"; then
2477 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2482 dnl Check for required libraries.
2483 if test "${HAVE_X11}" = "yes"; then
2486 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2487 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2488 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2489 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2490 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2491 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2492 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2493 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2494 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2495 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2497 if test "X${MISSING}" != X; then
2498 AC_MSG_ERROR([The following required libraries were not found:
2500 Maybe some development libraries/packages are missing?
2501 If you don't want to link with them give
2503 as options to configure])
2507 ### Use -lgpm if available, unless `--with-gpm=no'.
2510 if test "${with_gpm}" != "no"; then
2511 AC_CHECK_HEADER(gpm.h,
2512 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2514 if test "${HAVE_GPM}" = "yes"; then
2515 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2521 dnl Check for malloc/malloc.h on darwin
2522 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.])])
2525 ### Use NeXTstep API to implement GUI.
2526 if test "${HAVE_NS}" = "yes"; then
2527 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2528 if test "${NS_IMPL_COCOA}" = "yes"; then
2529 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2532 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2533 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2534 # See also .m.o rule in Makefile.in */
2535 # FIXME: are all these flags really needed? Document here why. */
2536 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2537 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2539 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2540 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2542 # We also have mouse menus.
2548 ### Use session management (-lSM -lICE) if available
2551 if test "${HAVE_X11}" = "yes"; then
2552 AC_CHECK_HEADER(X11/SM/SMlib.h,
2553 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2555 if test "${HAVE_X_SM}" = "yes"; then
2556 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2560 *) LIBS="$LIBXSM $LIBS" ;;
2566 ### Use libxml (-lxml2) if available
2567 if test "${with_xml2}" != "no"; then
2568 ### I'm not sure what the version number should be, so I just guessed.
2569 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2570 if test "${HAVE_LIBXML2}" = "yes"; then
2571 LIBS="$LIBXML2_LIBS $LIBS"
2572 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2573 if test "${HAVE_LIBXML2}" = "yes"; then
2574 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2581 AC_SUBST(LIBXML2_LIBS)
2582 AC_SUBST(LIBXML2_CFLAGS)
2584 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2585 AC_CACHE_CHECK(whether netdb declares h_errno,
2586 emacs_cv_netdb_declares_h_errno,
2587 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2588 [[return h_errno;]])],
2589 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2590 if test $emacs_cv_netdb_declares_h_errno = yes; then
2591 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2594 # fmod, logb, and frexp are found in -lm on most systems.
2595 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2596 AC_CHECK_LIB(m, sqrt)
2598 # Check for mail-locking functions in a "mail" library. Probably this should
2599 # have the same check as for liblockfile below.
2600 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2601 if test $have_mail = yes; then
2603 LIBS="$LIBS_MAIL $LIBS"
2604 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2608 dnl Debian, at least:
2609 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2610 if test $have_lockfile = yes; then
2611 LIBS_MAIL=-llockfile
2612 LIBS="$LIBS_MAIL $LIBS"
2613 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2615 # If we have the shared liblockfile, assume we must use it for mail
2616 # locking (e.g. Debian). If we couldn't link against liblockfile
2617 # (no liblockfile.a installed), ensure that we don't need to.
2618 dnl This works for files generally, not just executables.
2619 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2620 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2621 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2622 if test $ac_cv_prog_liblockfile = yes; then
2623 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2624 This probably means that movemail could lose mail.
2625 There may be a `development' package to install containing liblockfile.])
2628 AC_CHECK_FUNCS(touchlock)
2629 AC_CHECK_HEADERS(maillock.h)
2632 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2633 ## interlock access to the mail spool. The alternative is a lock file named
2634 ## /usr/spool/mail/$USER.lock.
2637 aix4-2) mail_lock="lockf" ;;
2639 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2641 ## On GNU/Linux systems, both methods are used by various mail programs.
2642 ## I assume most people are using newer mailers that have heard of flock.
2643 ## Change this if you need to.
2644 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2645 ## configure gets the right answers, and that means *NOT* using flock.
2646 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2647 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2648 ## Debian maintainer hasn't provided a clean fix for Emacs.
2649 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2650 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2651 ## correct logic. -- fx
2652 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2653 ## liblockfile is a Free Software replacement for libmail, used on
2654 ## Debian systems and elsewhere. -rfr.
2657 if test $have_mail = yes || test $have_lockfile = yes; then
2658 test $ac_cv_header_maillock_h = yes && mail_lock=no
2664 case "$mail_lock" in
2665 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2667 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2669 *) BLESSMAIL_TARGET="need-blessmail" ;;
2671 AC_SUBST(BLESSMAIL_TARGET)
2674 AC_CHECK_FUNCS(gethostname getdomainname \
2675 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2676 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2677 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2678 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2679 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm strchr strrchr \
2680 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2681 gai_strerror mkstemp getline getdelim mremap memmove fsync sync \
2682 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2683 cfmakeraw cfsetspeed isnan copysign __executable_start)
2685 dnl Cannot use AC_CHECK_FUNCS
2686 AC_CACHE_CHECK([for __builtin_unwind_init],
2687 emacs_cv_func___builtin_unwind_init,
2688 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2689 emacs_cv_func___builtin_unwind_init=yes,
2690 emacs_cv_func___builtin_unwind_init=no)])
2691 if test $emacs_cv_func___builtin_unwind_init = yes; then
2692 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2693 [Define to 1 if you have the `__builtin_unwind_init' function.])
2696 AC_CHECK_HEADERS(sys/un.h)
2703 gl_ASSERT_NO_GNULIB_POSIXCHECK
2704 gl_ASSERT_NO_GNULIB_TESTS
2708 AC_CHECK_FUNCS(grantpt)
2710 # PTY-related GNU extensions.
2711 AC_CHECK_FUNCS(getpt)
2713 # Check this now, so that we will NOT find the above functions in ncurses.
2714 # That is because we have not set up to link ncurses in lib-src.
2715 # It's better to believe a function is not available
2716 # than to expect to find it in ncurses.
2717 # Also we need tputs and friends to be able to build at all.
2718 have_tputs_et_al=true
2719 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2720 if test "$have_tputs_et_al" != true; then
2721 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2722 Maybe some development libraries/packages are missing? Try installing
2723 libncurses-dev(el), libterminfo-dev(el) or similar.])
2725 # Must define this when any termcap library is found.
2726 AC_DEFINE(HAVE_LIBNCURSES, 1,
2727 [Define to 1 if you have the `ncurses' library (-lncurses).])
2728 ## FIXME This was the cpp logic, but I am not sure it is right.
2729 ## The above test has not necessarily found libncurses.
2732 ## Use terminfo instead of termcap?
2733 ## Note only system files NOT using terminfo are:
2734 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2735 ## darwin|gnu without ncurses.
2739 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2740 ## hpux10-20: Use the system provided termcap(3) library.
2741 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2742 ## is necessary. Otherwise Emacs dumps core when run -nw.
2743 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2745 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2746 ## The ncurses library has been moved out of the System framework in
2747 ## Mac OS X 10.2. So if configure detects it, set the command-line
2748 ## option to use it.
2750 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2751 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2753 LIBS_TERMCAP="-lncurses"
2758 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2759 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2760 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2761 [[#if __FreeBSD_version < 400000
2764 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2766 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2768 if test $emacs_cv_freebsd_terminfo = yes; then
2770 LIBS_TERMCAP="-lncurses"
2772 LIBS_TERMCAP="-ltermcap"
2777 if test $ac_cv_search_tputs = -lterminfo; then
2779 LIBS_TERMCAP="-lterminfo"
2781 LIBS_TERMCAP="-ltermcap"
2788 ## hpux: Make sure we get select from libc rather than from libcurses
2789 ## because libcurses on HPUX 10.10 has a broken version of select.
2790 ## We used to use -lc -lcurses, but this may be cleaner.
2791 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2793 openbsd) LIBS_TERMCAP="-lncurses" ;;
2795 ## Must use system termcap, if we use any termcap. It does special things.
2796 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2799 TERMCAP_OBJ=tparam.o
2800 if test $TERMINFO = yes; then
2801 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2803 ## Default used to be -ltermcap. Add a case above if need something else.
2804 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2806 TERMCAP_OBJ=terminfo.o
2808 AC_SUBST(LIBS_TERMCAP)
2809 AC_SUBST(TERMCAP_OBJ)
2812 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2814 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2815 #include <arpa/nameser.h>
2816 #include <resolv.h>]],
2817 [[return res_init();]])],
2818 have_res_init=yes, have_res_init=no)
2819 if test "$have_res_init" = no; then
2821 LIBS="$LIBS -lresolv"
2822 AC_MSG_CHECKING(for res_init with -lresolv)
2823 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2824 #include <arpa/nameser.h>
2825 #include <resolv.h>]],
2826 [[return res_init();]])],
2827 have_res_init=yes, have_res_init=no)
2828 AC_MSG_RESULT($have_res_init)
2829 if test "$have_res_init" = yes ; then
2835 if test "$have_res_init" = yes; then
2836 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2839 # Do we need the Hesiod library to provide the support routines?
2841 if test "$with_hesiod" != no ; then
2842 # Don't set $LIBS here -- see comments above. FIXME which comments?
2843 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2844 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2845 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2846 if test "$resolv" = yes ; then
2851 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2852 hesiod=yes, :, $RESOLVLIB)])
2854 if test x"$hesiod" = xyes; then
2855 AC_DEFINE(HAVE_LIBHESIOD, 1,
2856 [Define to 1 if you have the hesiod library (-lhesiod).])
2862 # Do we need libresolv (due to res_init or Hesiod)?
2863 if test "$resolv" = yes ; then
2864 AC_DEFINE(HAVE_LIBRESOLV, 1,
2865 [Define to 1 if you have the resolv library (-lresolv).])
2872 # These tell us which Kerberos-related libraries to use.
2879 if test "${with_kerberos}" != no; then
2880 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2881 if test $have_com_err = yes; then
2882 COM_ERRLIB=-lcom_err
2883 LIBS="$COM_ERRLIB $LIBS"
2884 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2886 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2887 if test $have_crypto = yes; then
2889 LIBS="$CRYPTOLIB $LIBS"
2890 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2892 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2893 if test $have_k5crypto = yes; then
2894 CRYPTOLIB=-lk5crypto
2895 LIBS="$CRYPTOLIB $LIBS"
2896 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2898 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2899 if test $have_krb5=yes; then
2901 LIBS="$KRB5LIB $LIBS"
2902 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2904 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2905 if test "${with_kerberos5}" = no; then
2906 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2907 if test $have_des425 = yes; then
2909 LIBS="$DESLIB $LIBS"
2910 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2912 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2913 if test $have_des = yes; then
2915 LIBS="$DESLIB $LIBS"
2916 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2919 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2920 if test $have_krb4 = yes; then
2922 LIBS="$KRB4LIB $LIBS"
2923 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2925 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2926 if test $have_krb = yes; then
2928 LIBS="$KRB4LIB $LIBS"
2929 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2934 if test "${with_kerberos5}" != no; then
2935 AC_CHECK_HEADERS(krb5.h,
2936 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2937 [#include <krb5.h>])])
2939 AC_CHECK_HEADERS(des.h,,
2940 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2941 [AC_CHECK_HEADERS(kerberos/des.h)])])
2942 AC_CHECK_HEADERS(krb.h,,
2943 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2944 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2946 AC_CHECK_HEADERS(com_err.h)
2949 AC_SUBST(COM_ERRLIB)
2955 # Solaris requires -lintl if you want strerror (which calls dgettext)
2956 # to return localized messages.
2957 AC_CHECK_LIB(intl, dgettext)
2959 AC_MSG_CHECKING(whether localtime caches TZ)
2960 AC_CACHE_VAL(emacs_cv_localtime_cache,
2961 [if test x$ac_cv_func_tzset = xyes; then
2962 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2963 char TZ_GMT0[] = "TZ=GMT0";
2964 char TZ_PST8[] = "TZ=PST8";
2967 time_t now = time ((time_t *) 0);
2968 int hour_GMT0, hour_unset;
2969 if (putenv (TZ_GMT0) != 0)
2971 hour_GMT0 = localtime (&now)->tm_hour;
2973 hour_unset = localtime (&now)->tm_hour;
2974 if (putenv (TZ_PST8) != 0)
2976 if (localtime (&now)->tm_hour == hour_GMT0)
2979 if (localtime (&now)->tm_hour != hour_unset)
2982 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2983 [# If we have tzset, assume the worst when cross-compiling.
2984 emacs_cv_localtime_cache=yes])
2986 # If we lack tzset, report that localtime does not cache TZ,
2987 # since we can't invalidate the cache if we don't have tzset.
2988 emacs_cv_localtime_cache=no
2990 AC_MSG_RESULT($emacs_cv_localtime_cache)
2991 if test $emacs_cv_localtime_cache = yes; then
2992 AC_DEFINE(LOCALTIME_CACHE, 1,
2993 [Define to 1 if localtime caches TZ.])
2996 if test "x$HAVE_TIMEVAL" = xyes; then
2997 AC_CHECK_FUNCS(gettimeofday)
2998 if test $ac_cv_func_gettimeofday = yes; then
2999 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3000 emacs_cv_gettimeofday_two_arguments,
3001 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3002 #ifdef TIME_WITH_SYS_TIME
3003 #include <sys/time.h>
3006 #ifdef HAVE_SYS_TIME_H
3007 #include <sys/time.h>
3012 [[struct timeval time;
3013 gettimeofday (&time, 0);]])],
3014 emacs_cv_gettimeofday_two_arguments=yes,
3015 emacs_cv_gettimeofday_two_arguments=no)])
3016 if test $emacs_cv_gettimeofday_two_arguments = no; then
3017 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3018 [Define to 1 if gettimeofday accepts only one argument.])
3024 AC_CHECK_FUNC(socket, , ok_so_far=no)
3025 if test $ok_so_far = yes; then
3026 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3028 if test $ok_so_far = yes; then
3029 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3031 if test $ok_so_far = yes; then
3032 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3033 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3034 [Define to 1 if you have inet sockets.])
3037 if test -f /usr/lpp/X11/bin/smt.exp; then
3038 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3039 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3042 AC_MSG_CHECKING(whether system supports dynamic ptys)
3043 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3045 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3052 dnl Adapted from Haible's version.
3053 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3054 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3055 [[char* cs = nl_langinfo(CODESET);]])],
3056 emacs_cv_langinfo_codeset=yes,
3057 emacs_cv_langinfo_codeset=no)
3059 if test $emacs_cv_langinfo_codeset = yes; then
3060 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3061 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3066 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3067 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3068 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3069 if test "$emacs_cv_c_restrict_arr" = yes; then
3070 AC_DEFINE(__restrict_arr, __restrict,
3071 [Define to compiler's equivalent of C99 restrict keyword in array
3072 declarations. Define as empty for no equivalent.])
3075 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3076 dnl how the tty code is related to POSIX and/or other versions of termios.
3077 dnl The following looks like a useful start.
3079 dnl AC_SYS_POSIX_TERMIOS
3080 dnl if test $ac_cv_sys_posix_termios = yes; then
3081 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3082 dnl and macros for terminal control.])
3083 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3086 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
3088 # Set up the CFLAGS for real compilation, so we can substitute it.
3089 CFLAGS="$REAL_CFLAGS"
3090 CPPFLAGS="$REAL_CPPFLAGS"
3092 ## Hack to detect a buggy GCC version.
3093 if test "x$GCC" = xyes \
3094 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3095 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3096 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3097 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3100 version=$PACKAGE_VERSION
3102 ### Specify what sort of things we'll be editing into Makefile and config.h.
3103 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3105 AC_SUBST(configuration)
3110 AC_SUBST(exec_prefix)
3113 AC_SUBST(sharedstatedir)
3114 AC_SUBST(libexecdir)
3118 AC_SUBST(locallisppath)
3120 AC_SUBST(x_default_search_path)
3122 AC_SUBST(archlibdir)
3127 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3128 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3129 ## end of LIBX_BASE, but nothing ever set it.
3130 AC_SUBST(LD_SWITCH_X_SITE)
3131 AC_SUBST(C_SWITCH_X_SITE)
3132 AC_SUBST(C_SWITCH_X_SYSTEM)
3134 ## Used in lwlib/Makefile.in.
3135 AC_SUBST(X_TOOLKIT_TYPE)
3136 if test -n "${machfile}"; then
3137 M_FILE="\$(srcdir)/${machfile}"
3141 S_FILE="\$(srcdir)/${opsysfile}"
3145 AC_SUBST(ns_appbindir)
3146 AC_SUBST(ns_appresdir)
3148 AC_SUBST(GNU_OBJC_CFLAGS)
3149 AC_SUBST(OTHER_FILES)
3151 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3152 [Define to the canonical Emacs configuration name.])
3153 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3154 [Define to the options passed to configure.])
3155 if test -n "$machfile"; then
3156 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3157 [Define to the used machine dependent file.])
3159 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3160 [Define to the used os dependent file.])
3165 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3166 AC_DEFINE(HAVE_X_WINDOWS, 1,
3167 [Define to 1 if you want to use the X window system.])
3169 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3171 if test "$HAVE_XFT" = "yes"; then
3172 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3173 elif test "$HAVE_FREETYPE" = "yes"; then
3174 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3184 if test "${USE_X_TOOLKIT}" != "none" ; then
3186 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3187 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3188 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3189 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3190 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3194 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3195 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3199 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3200 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3201 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3205 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3206 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3209 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3212 AC_SUBST(WIDGET_OBJ)
3215 case "$USE_X_TOOLKIT" in
3216 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3217 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3218 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3220 AC_SUBST(TOOLKIT_LIBW)
3222 if test "$USE_X_TOOLKIT" = "none"; then
3223 LIBXT_OTHER="\$(LIBXSM)"
3224 OLDXMENU_TARGET="really-oldXMenu"
3226 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3227 OLDXMENU_TARGET="really-lwlib"
3229 AC_SUBST(LIBXT_OTHER)
3231 ## The X Menu stuff is present in the X10 distribution, but missing
3232 ## from X11. If we have X10, just use the installed library;
3233 ## otherwise, use our own copy.
3234 if test "${HAVE_X11}" = "yes" ; then
3235 AC_DEFINE(HAVE_X11, 1,
3236 [Define to 1 if you want to use version 11 of X windows.
3237 Otherwise, Emacs expects to use version 10.])
3239 if test "$USE_X_TOOLKIT" = "none"; then
3240 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3242 OLDXMENU="\${lwlibdir}/liblw.a"
3244 LIBXMENU="\$(OLDXMENU)"
3245 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3246 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3248 ## For a syntactically valid Makefile; not actually used for anything.
3249 ## See comments in src/Makefile.in.
3251 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3252 if test "${HAVE_X_WINDOWS}" = "yes"; then
3261 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3268 AC_SUBST(OLDXMENU_TARGET)
3271 AC_SUBST(LIBX_OTHER)
3272 AC_SUBST(OLDXMENU_DEPS)
3274 if test "${HAVE_MENUS}" = "yes" ; then
3275 AC_DEFINE(HAVE_MENUS, 1,
3276 [Define to 1 if you have mouse menus.
3277 (This is automatic if you use X, but the option to specify it remains.)
3278 It is also defined with other window systems that support xmenu.c.])
3281 if test "${GNU_MALLOC}" = "yes" ; then
3282 AC_DEFINE(GNU_MALLOC, 1,
3283 [Define to 1 if you want to use the GNU memory allocator.])
3287 if test "${REL_ALLOC}" = "yes" ; then
3288 AC_DEFINE(REL_ALLOC, 1,
3289 [Define REL_ALLOC if you want to use the relocating allocator for
3292 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3294 AC_SUBST(RALLOC_OBJ)
3296 if test "$opsys" = "cygwin"; then
3297 CYGWIN_OBJ="sheap.o"
3298 ## Cygwin differs because of its unexec().
3300 POST_ALLOC_OBJ=lastfile.o
3303 PRE_ALLOC_OBJ=lastfile.o
3306 AC_SUBST(CYGWIN_OBJ)
3307 AC_SUBST(PRE_ALLOC_OBJ)
3308 AC_SUBST(POST_ALLOC_OBJ)
3312 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3315 ## The -headerpad option tells ld (see man page) to leave room at the
3316 ## end of the header for adding load commands. Needed for dumping.
3317 ## 0x690 is the total size of 30 segment load commands (at 56
3318 ## each); under Cocoa 31 commands are required.
3319 if test "$HAVE_NS" = "yes"; then
3320 libs_nsgui="-framework AppKit"
3326 LD_SWITCH_SYSTEM_TEMACS="-prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3328 ## This is here because src/Makefile.in did some extra fiddling around
3329 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3330 ## #ifndef LD_SWITCH_SYSTEM
3331 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3332 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3333 ## not using gcc, darwin system not on an alpha (ie darwin, since
3334 ## darwin + alpha does not occur).
3335 ## Because this was done in src/Makefile.in, the resulting part of
3336 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3337 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3338 ## rather than LD_SWITCH_SYSTEM.
3339 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3340 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3343 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3344 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3345 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3346 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3347 ## had different values in configure (in ac_link) and src/Makefile.in.
3348 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3349 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3351 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3354 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3355 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3358 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3364 ## gnu: GNU needs its own crt0.
3365 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3367 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3368 ## library search parth, i.e. it won't search /usr/lib for libc and
3369 ## friends. Using -nostartfiles instead avoids this problem, and
3370 ## will also work on earlier NetBSD releases.
3371 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3373 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3374 ## MkLinux/LinuxPPC needs this.
3375 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3378 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3384 if test "x$ORDINARY_LINK" = "xyes"; then
3387 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3389 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3390 ## freebsd, gnu-* not on macppc|ibms390x.
3391 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3393 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3394 ## places that are difficult to figure out at make time. Fortunately,
3395 ## these same versions allow you to pass arbitrary flags on to the
3396 ## linker, so there is no reason not to use it as a linker.
3398 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3399 ## searching for libraries in its internal directories, so we have to
3400 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3401 LD_FIRSTFLAG="-nostdlib"
3404 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3405 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3407 AC_SUBST(LD_FIRSTFLAG)
3410 ## FIXME? The logic here is not precisely the same as that above.
3411 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3412 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3414 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3417 freebsd|netbsd|openbsd) LIB_GCC= ;;
3420 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3421 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3427 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3428 ## immediately undefine it again and redefine it to empty.
3429 ## Was the C_SWITCH_X_SITE part really necessary?
3430 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3436 ## Ask GCC where to find libgcc.a.
3437 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3443 ## If we're using X11/GNUstep, define some consequences.
3444 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3445 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3446 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3450 AH_TOP([/* GNU Emacs site configuration template file.
3452 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3453 Free Software Foundation, Inc.
3455 This file is part of GNU Emacs.
3457 GNU Emacs is free software: you can redistribute it and/or modify
3458 it under the terms of the GNU General Public License as published by
3459 the Free Software Foundation, either version 3 of the License, or
3460 (at your option) any later version.
3462 GNU Emacs is distributed in the hope that it will be useful,
3463 but WITHOUT ANY WARRANTY; without even the implied warranty of
3464 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3465 GNU General Public License for more details.
3467 You should have received a copy of the GNU General Public License
3468 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3471 /* No code in Emacs #includes config.h twice, but some bits of code
3472 intended to work with other packages as well (like gmalloc.c)
3473 think they can include it as many times as they like. */
3474 #ifndef EMACS_CONFIG_H
3475 #define EMACS_CONFIG_H
3479 /* On AIX 3 this must be included before any other include file. */
3482 # error "alloca not available on this machine"
3485 /* Define AMPERSAND_FULL_NAME if you use the convention
3486 that & in the full name stands for the login id. */
3487 /* Turned on June 1996 supposing nobody will mind it. */
3488 #define AMPERSAND_FULL_NAME
3490 /* `subprocesses' should be defined if you want to
3491 have code for asynchronous subprocesses
3492 (as used in M-x compile and M-x shell).
3493 Only MSDOS does not support this (it overrides
3494 this in its config_opsysfile below). */
3496 #define subprocesses
3498 /* Include the os and machine dependent files. */
3499 #include config_opsysfile
3500 #ifdef config_machfile
3501 # include config_machfile
3504 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3505 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3506 (There is probably a better place to do this, but right now the
3507 Cocoa side does this in s/darwin.h and we cannot parallel this
3508 exactly since GNUstep is multi-OS. */
3509 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3510 # define SYSTEM_PURESIZE_EXTRA 30000
3513 #ifdef emacs /* Don't do this for lib-src. */
3514 /* Tell regex.c to use a type compatible with Emacs. */
3515 #define RE_TRANSLATE_TYPE Lisp_Object
3516 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3518 /* If make_number is a macro, use it. */
3519 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3521 /* If make_number is a function, avoid it. */
3522 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3526 /* These default definitions are good for almost all machines.
3527 Any exceptions should override them in m/MACHINE.h.
3528 They must be usable in preprocessor conditionals. */
3530 #ifndef BITS_PER_CHAR
3531 #define BITS_PER_CHAR 8
3534 #ifndef BITS_PER_SHORT
3535 #define BITS_PER_SHORT 16
3538 #ifndef BITS_PER_INT
3539 #define BITS_PER_INT 32
3542 #ifndef BITS_PER_LONG
3544 #define BITS_PER_LONG 64
3546 #define BITS_PER_LONG 32
3550 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3551 #define BITS_PER_LONG_LONG 64
3554 /* Define if the compiler supports function prototypes. It may do so but
3555 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3562 #define strchr(a, b) index (a, b)
3565 #ifndef HAVE_STRRCHR
3566 #define strrchr(a, b) rindex (a, b)
3569 #if defined __GNUC__ && (__GNUC__ > 2 \
3570 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3571 #define NO_RETURN __attribute__ ((__noreturn__))
3573 #define NO_RETURN /* nothing */
3576 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3577 #define NO_INLINE __attribute__((noinline))
3582 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3583 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3585 #define EXTERNALLY_VISIBLE
3588 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3589 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3591 # define ATTRIBUTE_FORMAT(spec) /* empty */
3594 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3595 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3596 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3598 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3599 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3602 /* Some versions of GNU/Linux define noinline in their headers. */
3607 /* These won't be used automatically yet. We also need to know, at least,
3608 that the stack is continuous. */
3610 # ifndef GC_SETJMP_WORKS
3611 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3612 # define GC_SETJMP_WORKS 1
3614 # ifndef GC_LISP_OBJECT_ALIGNMENT
3615 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3619 #endif /* EMACS_CONFIG_H */
3628 #### Report on what we decided to do.
3629 #### Report GTK as a toolkit, even if it doesn't use Xt.
3630 #### It makes printing result more understandable as using GTK sets
3631 #### toolkit_scroll_bars to yes by default.
3632 if test "${HAVE_GTK}" = "yes"; then
3637 if test -n "$machfile"; then
3638 and_machfile=" and \`${machfile}'"
3642 Configured for \`${canonical}'.
3644 Where should the build process find the source code? ${srcdir}
3645 What operating system and machine description files should Emacs use?
3646 \`${opsysfile}'${and_machfile}
3647 What compiler should emacs be built with? ${CC} ${CFLAGS}
3648 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3649 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3650 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3651 What window system should Emacs use? ${window_system}
3652 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3654 if test -n "${x_includes}"; then
3655 echo " Where do we find X Windows header files? ${x_includes}"
3657 echo " Where do we find X Windows header files? Standard dirs"
3659 if test -n "${x_libraries}"; then
3660 echo " Where do we find X Windows libraries? ${x_libraries}"
3662 echo " Where do we find X Windows libraries? Standard dirs"
3665 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3666 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3667 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3668 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3669 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3670 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3671 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3672 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3674 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3675 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3676 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3677 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3678 echo " Does Emacs use -lgnutls (2.6.x or higher)? ${HAVE_GNUTLS}"
3679 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3681 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3682 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3683 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3684 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3686 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3689 if test $USE_XASSERTS = yes; then
3690 echo " Compiling with asserts turned on."
3691 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3696 if test "$HAVE_NS" = "yes"; then
3698 echo "You must run \"make install\" in order to test the built application.
3699 The installed application will go to nextstep/Emacs.app and can be
3700 run or moved from there."
3701 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3702 echo "The application will be fully self-contained."
3704 echo "The lisp resources for the application will be installed under ${prefix}.
3705 You may need to run \"make install\" with sudo. The application will fail
3706 to run if these resources are not installed."
3712 # Remove any trailing slashes in these variables.
3713 [test "${prefix}" != NONE &&
3714 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3715 test "${exec_prefix}" != NONE &&
3716 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3718 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3719 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3720 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3721 dnl (else you get "no `Makefile.am' found for any configure output").
3722 dnl This will work, but you get a config.status that is not quite right
3723 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3724 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3725 dnl it seems better to just live with the duplication.
3726 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"
3728 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3729 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3730 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3733 dnl test/ is not present in release tarfiles.
3734 opt_makefile=test/automated/Makefile
3736 if test -f $srcdir/${opt_makefile}.in; then
3737 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3738 dnl Again, it's best not to use a variable. Though you can add
3739 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3740 AC_CONFIG_FILES([test/automated/Makefile])
3743 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3745 AC_SUBST(SUBDIR_MAKEFILES_IN)
3747 dnl Make the necessary directories, if they don't exist.
3748 AC_CONFIG_COMMANDS([mkdirs], [
3749 for dir in etc lisp ; do
3750 test -d ${dir} || mkdir ${dir}
3754 dnl You might wonder (I did) why epaths.h is generated by running make,
3755 dnl rather than just letting configure generate it from epaths.in.
3756 dnl One reason is that the various paths are not fully expanded (see above);
3757 dnl eg gamedir=${prefix}/var/games/emacs.
3758 dnl Secondly, the GNU Coding standards require that one should be able
3759 dnl to run `make prefix=/some/where/else' and override the values set
3760 dnl by configure. This also explains the `move-if-change' test and
3761 dnl the use of force in the `epaths-force' rule in Makefile.in.
3762 AC_CONFIG_COMMANDS([epaths], [
3763 echo creating src/epaths.h
3764 ${MAKE-make} epaths-force
3765 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3767 AC_CONFIG_COMMANDS([gdbinit], [
3768 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3769 echo creating src/.gdbinit
3770 echo source $srcdir/src/.gdbinit > src/.gdbinit
3776 dnl configure.in ends here