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, 24.0.90)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
28 AC_CONFIG_AUX_DIR(build-aux)
31 dnl Support for --program-prefix, --program-suffix and
32 dnl --program-transform-name options
35 dnl It is important that variables on the RHS not be expanded here,
36 dnl hence the single quotes. This is per the GNU coding standards, see
37 dnl (autoconf) Installation Directory Variables
38 dnl See also epaths.h below.
39 lispdir='${datadir}/emacs/${version}/lisp'
40 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
41 '${datadir}/emacs/site-lisp'
42 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
43 etcdir='${datadir}/emacs/${version}/etc'
44 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
45 docdir='${datadir}/emacs/${version}/etc'
46 gamedir='${localstatedir}/games/emacs'
48 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
49 dnl Create a new --with option that defaults to being disabled.
50 dnl NAME is the base name of the option. The shell variable with_NAME
51 dnl will be set to either the user's value (if the option is
52 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
53 dnl option is not specified). Note that the shell variable name is
54 dnl constructed as autoconf does, by replacing non-alphanumeric
55 dnl characters with "_".
56 dnl HELP-STRING is the help text for the option.
57 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
58 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
59 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
62 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
63 dnl Create a new --with option that defaults to being enabled. NAME
64 dnl is the base name of the option. The shell variable with_NAME
65 dnl will be set either to 'no' (for a plain --without-NAME) or to
66 dnl 'yes' (if the option is not specified). Note that the shell
67 dnl variable name is constructed as autoconf does, by replacing
68 dnl non-alphanumeric characters with "_".
69 dnl HELP-STRING is the help text for the option.
70 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
71 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
72 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
75 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
76 if test "$with_pop" = yes; then
77 AC_DEFINE(MAIL_USE_POP)
79 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
81 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
82 if test "$with_kerberos" != no; then
86 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
88 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
89 if test "${with_kerberos5}" != no; then
90 if test "${with_kerberos}" = no; then
94 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
97 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
98 dnl FIXME hesiod support may not be present, so it seems like an error
99 dnl to define, or at least use, this unconditionally.
100 if test "$with_hesiod" != no; then
101 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
104 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
105 if test "$with_mmdf" != no; then
106 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
109 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
110 if test "$with_mail_unlink" != no; then
111 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
114 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
115 [string giving default POP mail host])],
116 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
118 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
120 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
121 if test "$with_sync_input" = yes; then
122 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
125 dnl FIXME currently it is not the last.
126 dnl This should be the last --with option, because --with-x is
127 dnl added later on when we find the path of X, and it's best to
128 dnl keep them together visually.
129 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
130 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
131 [ case "${withval}" in
132 y | ye | yes ) val=gtk ;;
134 l | lu | luc | luci | lucid ) val=lucid ;;
135 a | at | ath | athe | athen | athena ) val=athena ;;
136 m | mo | mot | moti | motif ) val=motif ;;
137 g | gt | gtk ) val=gtk ;;
140 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
141 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
142 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
148 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
149 if test "$with_wide_int" = yes; then
150 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
153 dnl _ON results in a '--without' option in the --help output, so
154 dnl the help text should refer to "don't compile", etc.
155 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
156 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
157 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
158 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
159 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
160 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
161 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
162 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
164 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
165 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
166 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
168 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
169 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
170 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
171 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
173 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
174 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
175 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
176 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
177 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
178 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
180 OPTION_DEFAULT_OFF([xwidgets],[enable use of some gtk widgets it Emacs buffers])
182 ## For the times when you want to build Emacs but don't have
183 ## a suitable makeinfo, and can live without the manuals.
184 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
185 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
187 ## This is an option because I do not know if all info/man support
188 ## compressed files, nor how to test if they do so.
189 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
190 if test $with_compress_info = yes; then
197 AC_ARG_WITH([pkg-config-prog],dnl
198 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
199 [path to pkg-config for finding GTK and librsvg])])
200 if test "X${with_pkg_config_prog}" != X; then
201 if test "${with_pkg_config_prog}" != yes; then
202 PKG_CONFIG="${with_pkg_config_prog}"
207 AC_ARG_WITH([crt-dir],dnl
208 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
209 The default is /usr/lib, or /usr/lib64 on some platforms.])])
210 CRT_DIR="${with_crt_dir}"
212 AC_ARG_WITH(gameuser,dnl
213 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
214 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
215 && gameuser="${with_gameuser}"
216 test "X$gameuser" = X && gameuser=games
218 AC_ARG_WITH([gnustep-conf],dnl
219 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
220 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
221 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
222 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
223 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
225 AC_ARG_ENABLE(ns-self-contained,
226 [AS_HELP_STRING([--disable-ns-self-contained],
227 [disable self contained build under NeXTstep])],
228 EN_NS_SELF_CONTAINED=$enableval,
229 EN_NS_SELF_CONTAINED=yes)
231 AC_ARG_ENABLE(asserts,
232 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
233 USE_XASSERTS=$enableval,
236 AC_ARG_ENABLE(maintainer-mode,
237 [AS_HELP_STRING([--disable-maintainer-mode],
238 [disable make rules and dependencies not useful (and sometimes
239 confusing) to the casual installer])],
240 USE_MAINTAINER_MODE=$enableval,
241 USE_MAINTAINER_MODE=yes)
242 if test $USE_MAINTAINER_MODE = yes; then
249 AC_ARG_ENABLE(locallisppath,
250 [AS_HELP_STRING([--enable-locallisppath=PATH],
251 [directories Emacs should search for lisp files specific
253 if test "${enableval}" = "no"; then
255 elif test "${enableval}" != "yes"; then
256 locallisppath=${enableval}
259 AC_ARG_ENABLE(checking,
260 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
261 [enable expensive run-time checks. With LIST,
262 enable only specific categories of checks.
263 Categories are: all,yes,no.
264 Flags are: stringbytes, stringoverrun, stringfreelist,
265 xmallocoverrun, conslist])],
266 [ac_checking_flags="${enableval}"],[])
267 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
268 for check in $ac_checking_flags
271 # these set all the flags to specific states
272 yes) ac_enable_checking=1 ;;
273 no) ac_enable_checking= ;
274 ac_gc_check_stringbytes= ;
275 ac_gc_check_string_overrun= ;
276 ac_gc_check_string_free_list= ;
277 ac_xmalloc_overrun= ;
278 ac_gc_check_cons_list= ;;
279 all) ac_enable_checking=1 ;
280 ac_gc_check_stringbytes=1 ;
281 ac_gc_check_string_overrun=1 ;
282 ac_gc_check_string_free_list=1 ;
283 ac_xmalloc_overrun=1 ;
284 ac_gc_check_cons_list=1 ;;
285 # these enable particular checks
286 stringbytes) ac_gc_check_stringbytes=1 ;;
287 stringoverrun) ac_gc_check_string_overrun=1 ;;
288 stringfreelist) ac_gc_check_string_free_list=1 ;;
289 xmallocoverrun) ac_xmalloc_overrun=1 ;;
290 conslist) ac_gc_check_cons_list=1 ;;
291 *) AC_MSG_ERROR(unknown check category $check) ;;
296 if test x$ac_enable_checking != x ; then
297 AC_DEFINE(ENABLE_CHECKING, 1,
298 [Enable expensive run-time checking of data types?])
300 if test x$ac_gc_check_stringbytes != x ; then
301 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
302 [Define this temporarily to hunt a bug. If defined, the size of
303 strings is redundantly recorded in sdata structures so that it can
304 be compared to the sizes recorded in Lisp strings.])
306 if test x$ac_gc_check_string_overrun != x ; then
307 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
308 [Define this to check for short string overrun.])
310 if test x$ac_gc_check_string_free_list != x ; then
311 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
312 [Define this to check the string free list.])
314 if test x$ac_xmalloc_overrun != x ; then
315 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
316 [Define this to check for malloc buffer overrun.])
318 if test x$ac_gc_check_cons_list != x ; then
319 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
320 [Define this to check for errors in cons list.])
323 AC_ARG_ENABLE(use-lisp-union-type,
324 [AS_HELP_STRING([--enable-use-lisp-union-type],
325 [use a union for the Lisp_Object data type.
326 This is only useful for development for catching certain types of bugs.])],
327 if test "${enableval}" != "no"; then
328 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
329 [Define this to use a lisp union for the Lisp_Object data type.])
333 AC_ARG_ENABLE(profiling,
334 [AS_HELP_STRING([--enable-profiling],
335 [build emacs with profiling support.
336 This might not work on all platforms])],
337 [ac_enable_profiling="${enableval}"],[])
338 if test x$ac_enable_profiling != x ; then
339 PROFILING_CFLAGS="-DPROFILING=1 -pg"
343 AC_SUBST(PROFILING_CFLAGS)
345 AC_ARG_ENABLE(autodepend,
346 [AS_HELP_STRING([--enable-autodepend],
347 [automatically generate dependencies to .h-files.
348 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
350 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
352 #### Make srcdir absolute, if it isn't already. It's important to
353 #### avoid running the path through pwd unnecessarily, since pwd can
354 #### give you automounter prefixes, which can go away. We do all this
355 #### so Emacs can find its files when run uninstalled.
356 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
361 ## We may be able to use the $PWD environment variable to make this
362 ## absolute. But sometimes PWD is inaccurate.
363 ## Note: we used to use ${PWD} at the end instead of `pwd`,
364 ## but that tested only for a well-formed and valid PWD,
365 ## it did not object when PWD was well-formed and valid but just wrong.
366 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
370 srcdir="`(cd ${srcdir}; pwd)`"
373 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
376 #### Given the configuration name, set machfile and opsysfile to the
377 #### names of the m/*.h and s/*.h files we should use.
379 ### Canonicalize the configuration name.
383 configuration=${host_alias-${build_alias-$host}}
385 dnl This used to use changequote, but, apart from `changequote is evil'
386 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
387 dnl the great gob of text. Thus it's not processed for possible expansion.
388 dnl Just make sure the brackets remain balanced.
390 dnl Since Emacs can't find matching pairs of quotes, boundaries are
391 dnl indicated by comments.
395 ### If you add support for a new configuration, add code to this
396 ### switch statement to recognize your configuration name and select
397 ### the appropriate operating system and machine description files.
399 ### You would hope that you could choose an m/*.h file pretty much
400 ### based on the machine portion of the configuration name, and an s/*.h
401 ### file based on the operating system portion. However, it turns out
402 ### that each m/*.h file is pretty manufacturer-specific - for
403 ### example mips.h is MIPS
404 ### So we basically have to have a special case for each
405 ### configuration name.
407 ### As far as handling version numbers on operating systems is
408 ### concerned, make sure things will fail in a fixable way. If
409 ### /etc/MACHINES doesn't say anything about version numbers, be
410 ### prepared to handle anything reasonably. If version numbers
411 ### matter, be sure /etc/MACHINES says something about it.
413 machine='' opsys='' unported=no
414 case "${canonical}" in
416 ## GNU/Linux and similar ports
420 alpha*) machine=alpha ;;
421 s390-*) machine=ibms390 ;;
422 s390x-*) machine=ibms390x ;;
423 powerpc*) machine=macppc ;;
424 sparc*) machine=sparc ;;
425 ia64*) machine=ia64 ;;
426 m68k*) machine=m68k ;;
427 x86_64*) machine=amdx86-64 ;;
434 case "${canonical}" in
435 alpha*) machine=alpha ;;
436 amd64-*|x86_64-*) machine=amdx86-64 ;;
437 ia64-*) machine=ia64 ;;
438 i[3456]86-*) machine=intel386 ;;
439 powerpc-*) machine=macppc ;;
440 sparc-*) machine=sparc ;;
441 sparc64-*) machine=sparc ;;
445 ## FreeBSD kernel + glibc based userland
448 case "${canonical}" in
449 alpha*) machine=alpha ;;
450 amd64-*|x86_64-*) machine=amdx86-64 ;;
451 ia64-*) machine=ia64 ;;
452 i[3456]86-*) machine=intel386 ;;
453 powerpc-*) machine=macppc ;;
454 sparc-*) machine=sparc ;;
455 sparc64-*) machine=sparc ;;
462 case "${canonical}" in
463 alpha*) machine=alpha ;;
464 x86_64-*) machine=amdx86-64 ;;
465 i[3456]86-*) machine=intel386 ;;
466 m68k-*) machine=m68k ;;
467 powerpc-*) machine=macppc ;;
468 sparc*-) machine=sparc ;;
469 vax-*) machine=vax ;;
476 case "${canonical}" in
477 alpha*) machine=alpha ;;
478 x86_64-*) machine=amdx86-64 ;;
479 i386-*) machine=intel386 ;;
480 powerpc-*) machine=macppc ;;
481 sparc*) machine=sparc ;;
482 vax-*) machine=vax ;;
486 ## Apple Darwin / Mac OS X
488 case "${canonical}" in
489 i[3456]86-* ) machine=intel386 ;;
490 powerpc-* ) machine=macppc ;;
491 x86_64-* ) machine=amdx86-64 ;;
495 # Define CPP as follows to make autoconf work correctly.
496 CPP="${CC-cc} -E -no-cpp-precomp"
497 # Use fink packages if available.
498 if test -d /sw/include && test -d /sw/lib; then
499 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
500 CPP="${CPP} ${GCC_TEST_OPTIONS}"
501 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
505 ## HP 9000 series 700 and 800, running HP/UX
509 hppa*-hp-hpux1[1-9]* )
511 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
515 rs6000-ibm-aix4.[23]* )
516 machine=ibmrs6000 opsys=aix4-2
518 powerpc-ibm-aix4.[23]* )
519 machine=ibmrs6000 opsys=aix4-2
521 rs6000-ibm-aix[56]* )
522 machine=ibmrs6000 opsys=aix4-2
524 powerpc-ibm-aix[56]* )
525 machine=ibmrs6000 opsys=aix4-2
528 ## Silicon Graphics machines
532 # Without defining _LANGUAGE_C, things get masked out in the headers
533 # so that, for instance, grepping for `free' in stdlib.h fails and
534 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
535 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
536 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
541 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
542 | x86_64-*-solaris2* | x86_64-*-sunos5*)
543 case "${canonical}" in
544 i[3456]86-*-* ) machine=intel386 ;;
545 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
546 sparc* ) machine=sparc ;;
549 case "${canonical}" in
550 *-sunos5.6* | *-solaris2.6* )
552 NON_GNU_CPP=/usr/ccs/lib/cpp
555 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
557 emacs_check_sunpro_c=yes
558 NON_GNU_CPP=/usr/ccs/lib/cpp
560 *-sunos5* | *-solaris* )
562 emacs_check_sunpro_c=yes
563 NON_GNU_CPP=/usr/ccs/lib/cpp
566 ## Watch out for a compiler that we know will not work.
567 case "${canonical}" in
568 *-solaris* | *-sunos5* )
569 if [ "x$CC" = x/usr/ucb/cc ]; then
570 ## /usr/ucb/cc doesn't work;
571 ## we should find some other compiler that does work.
579 ## Intel 386 machines where we don't care about the manufacturer.
582 case "${canonical}" in
583 *-cygwin ) opsys=cygwin ;;
584 *-darwin* ) opsys=darwin
585 CPP="${CC-cc} -E -no-cpp-precomp"
587 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
588 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
589 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
590 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
599 ### If the code above didn't choose an operating system, just choose
600 ### an operating system based on the configuration name. You really
601 ### only want to use this when you have no idea what the right
602 ### operating system is; if you know what operating systems a machine
603 ### runs, it's cleaner to make it explicit in the case statement
605 if test x"${opsys}" = x; then
606 case "${canonical}" in
607 *-gnu* ) opsys=gnu ;;
617 if test $unported = yes; then
618 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
619 Check `etc/MACHINES' for recognized configuration names.])
622 if test -n "$machine"; then
623 machfile="m/${machine}.h"
627 opsysfile="s/${opsys}.h"
630 #### Choose a compiler.
631 test -n "$CC" && cc_specified=yes
633 # Save the value of CFLAGS that the user specified.
634 SPECIFIED_CFLAGS="$CFLAGS"
636 dnl Sets GCC=yes if using gcc.
640 # Initialize gnulib right after verifying that the C compiler works.
643 # On Suns, sometimes $CPP names a directory.
644 if test -n "$CPP" && test -d "$CPP"; then
648 ## If not using gcc, and on Solaris, and no CPP specified, see if
649 ## using a Sun compiler, which needs -Xs to prevent whitespace.
650 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
651 test x"$CPP" = x; then
652 AC_MSG_CHECKING([whether we are using a Sun C compiler])
653 AC_CACHE_VAL(emacs_cv_sunpro_c,
654 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
658 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
659 AC_MSG_RESULT($emacs_cv_sunpro_c)
661 if test x"$emacs_cv_sunpro_c" = xyes; then
662 NON_GNU_CPP="$CC -E -Xs"
666 #### Some systems specify a CPP to use unless we are using GCC.
667 #### Now that we know whether we are using GCC, we can decide whether
668 #### to use that one.
669 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
674 #### Some systems specify a CC to use unless we are using GCC.
675 #### Now that we know whether we are using GCC, we can decide whether
676 #### to use that one.
677 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
678 test x$cc_specified != xyes
683 if test x$GCC = xyes; then
684 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
686 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
689 ### Use -Wdeclaration-after-statement if the compiler supports it
690 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
691 SAVE_CFLAGS="$CFLAGS"
692 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
693 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
694 if test $has_option = yes; then
695 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
697 AC_MSG_RESULT($has_option)
698 CFLAGS="$SAVE_CFLAGS"
702 ### Use -Wold-style-definition if the compiler supports it
703 # This can be removed when conversion to standard C is finished.
704 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
705 SAVE_CFLAGS="$CFLAGS"
706 CFLAGS="$CFLAGS -Wold-style-definition"
707 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
708 if test $has_option = yes; then
709 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
711 AC_MSG_RESULT($has_option)
712 CFLAGS="$SAVE_CFLAGS"
716 ### Use -Wimplicit-function-declaration if the compiler supports it
717 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
718 SAVE_CFLAGS="$CFLAGS"
719 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
720 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
721 if test $has_option = yes; then
722 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
724 AC_MSG_RESULT($has_option)
725 CFLAGS="$SAVE_CFLAGS"
729 AC_SUBST(C_WARNINGS_SWITCH)
732 #### Some other nice autoconf tests.
734 dnl checks for programs
737 if test "x$RANLIB" = x; then
741 ## Although we're running on an amd64 kernel, we're actually compiling for
742 ## the x86 architecture. The user should probably have provided an
743 ## explicit --build to `configure', but if everything else than the kernel
744 ## is running in i386 mode, we can help them out.
745 if test "$machine" = "amdx86-64"; then
746 AC_CHECK_DECL([i386])
747 if test "$ac_cv_have_decl_i386" = "yes"; then
748 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
750 machfile="m/${machine}.h"
754 AC_PATH_PROG(INSTALL_INFO, install-info)
755 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
756 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
757 dnl Don't use GZIP, which is used by gzip for additional parameters.
758 AC_PATH_PROG(GZIP_PROG, gzip)
761 ## Need makeinfo >= 4.6 (?) to build the manuals.
762 AC_PATH_PROG(MAKEINFO, makeinfo, no)
763 dnl By this stage, configure has already checked for egrep and set EGREP,
764 dnl or exited with an error if no egrep was found.
765 if test "$MAKEINFO" != "no" && \
766 test x"`$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
770 ## Makeinfo is unusual. For a released Emacs, the manuals are
771 ## pre-built, and not deleted by the normal clean rules. makeinfo is
772 ## therefore in the category of "special tools" not normally required, which
773 ## configure does not have to check for (eg autoconf itself).
774 ## In a Bazaar checkout on the other hand, the manuals are not included.
775 ## So makeinfo is a requirement to build from Bazaar, and configure
776 ## should test for it as it does for any other build requirement.
777 ## We use the presence of $srcdir/info/emacs to distinguish a release,
778 ## with pre-built manuals, from a Bazaar checkout.
781 if test "$MAKEINFO" = "no"; then
783 if test "x${with_makeinfo}" = "xno"; then
785 elif test ! -e $srcdir/info/emacs; then
786 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
787 source tree does not seem to have pre-built manuals in the `info' directory.
788 Either install a suitable version of makeinfo, or re-run configure
789 with the `--without-makeinfo' option to build without the manuals.] )
792 AC_SUBST(HAVE_MAKEINFO)
794 dnl Add our options to ac_link now, after it is set up.
796 if test x$GCC = xyes; then
797 test "x$GCC_LINK_TEST_OPTIONS" != x && \
798 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
800 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
801 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
804 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
805 dnl If we can link with the flag, it shouldn't do any harm anyhow.
806 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
807 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
808 dnl if not built to support GNU ld.
810 late_LDFLAGS=$LDFLAGS
811 if test x$GCC = xyes; then
812 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
814 LDFLAGS="$LDFLAGS -znocombreloc"
817 AC_MSG_CHECKING([for -znocombreloc])
818 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
819 [AC_MSG_RESULT(yes)],
820 LDFLAGS=$late_LDFLAGS
824 # The value of CPP is a quoted variable reference, so we need to do this
825 # to get its actual value...
826 CPP=`eval "echo $CPP"`
829 dnl The function dump-emacs will not be defined and temacs will do
830 dnl (load "loadup") automatically unless told otherwise.
831 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
833 your-opsys-here) CANNOT_DUMP=yes ;;
836 test "$CANNOT_DUMP" = "yes" && \
837 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
839 AC_SUBST(CANNOT_DUMP)
844 # MSDOS uses unexcoff.o
845 # MSWindows uses unexw32.o
853 UNEXEC_OBJ=unexmacosx.o
856 UNEXEC_OBJ=unexhp9k800.o
859 # Use the Solaris dldump() function, called from unexsol.c, to dump
860 # emacs, instead of the generic ELF dump code found in unexelf.c.
861 # The resulting binary has a complete symbol table, and is better
862 # for debugging and other observability tools (debuggers, pstack, etc).
864 # If you encounter a problem using dldump(), please consider sending
865 # a message to the OpenSolaris tools-linking mailing list:
866 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
868 # It is likely that dldump() works with older Solaris too, but this has
869 # not been tested, so for now this change is for Solaris 10 or newer.
877 ## Let `ld' find image libs and similar things in /usr/local/lib.
878 ## The system compiler, GCC, has apparently been modified to not
879 ## look there, contrary to what a stock GCC would do.
880 LD_SWITCH_SYSTEM=-L/usr/local/lib
884 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
885 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
889 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
893 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
894 ## otherwise Emacs dumps core on elf systems.
895 LD_SWITCH_SYSTEM="-Z"
898 AC_SUBST(LD_SWITCH_SYSTEM)
900 ac_link="$ac_link $LD_SWITCH_SYSTEM"
902 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
903 ## which has not been defined yet. When this was handled with cpp,
904 ## it was expanded to null when configure sourced the s/*.h file.
905 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
906 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
907 ## (or somesuch), but because it is supposed to go at the _front_
908 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
909 ## Compare with the gnu-linux case below, which added to the end
910 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
911 ## LD_SWITCH_SYSTEM_TEMACS.
914 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
915 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
920 if test "$machine" = "alpha"; then
921 AC_CHECK_DECL([__ELF__])
922 if test "$ac_cv_have_decl___ELF__" = "yes"; then
923 ## With ELF, make sure that all common symbols get allocated to in the
924 ## data section. Otherwise, the dump of temacs may miss variables in
925 ## the shared library that have been initialized. For example, with
926 ## GNU libc, __malloc_initialized would normally be resolved to the
927 ## shared library's .bss section, which is fatal.
928 if test "x$GCC" = "xyes"; then
929 C_SWITCH_MACHINE="-fno-common"
931 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
934 UNEXEC_OBJ=unexalpha.o
937 AC_SUBST(C_SWITCH_MACHINE)
942 ## Some programs in src produce warnings saying certain subprograms
943 ## are too complex and need a MAXMEM value greater than 2000 for
944 ## additional optimization. --nils@exp-math.uni-essen.de
945 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
946 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
947 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
948 ## It is redundant in glibc2, since we define _GNU_SOURCE.
949 AC_SUBST(C_SWITCH_SYSTEM)
954 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
955 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
957 freebsd) LIBS_SYSTEM="-lutil" ;;
959 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
961 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
963 ## Motif needs -lgen.
964 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
966 AC_SUBST(LIBS_SYSTEM)
969 ### Make sure subsequent tests use flags consistent with the build flags.
971 if test x"${OVERRIDE_CPPFLAGS}" != x; then
972 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
974 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
977 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
978 AC_DEFUN([AC_TYPE_SIZE_T])
979 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
980 AC_DEFUN([AC_TYPE_UID_T])
982 dnl Do this early because it can frob feature test macros for Unix-98 &c.
990 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
994 START_FILES='pre-crt0.o'
997 ## Adding -lm confuses the dynamic linker, so omit it.
999 START_FILES='pre-crt0.o'
1002 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1003 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1005 gnu-linux | gnu-kfreebsd )
1006 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1007 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1009 hpux10-20 | hpux11 )
1011 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1013 dnl NB this may be adjusted below.
1015 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1016 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1021 AC_SUBST(START_FILES)
1023 dnl Not all platforms use crtn.o files. Check if the current one does.
1026 for file in x $LIB_STANDARD $START_FILES; do
1028 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1032 if test "x$crt_files" != x; then
1034 ## If user specified a crt-dir, use that unconditionally.
1037 if test "X$CRT_DIR" = "X"; then
1039 CRT_DIR=/usr/lib # default
1041 case "$canonical" in
1042 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1043 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1044 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1045 ## For anything else (eg /usr/lib32), it is up the user to specify
1046 ## the location (bug#5655).
1047 ## Test for crtn.o, not just the directory, because sometimes the
1048 ## directory exists but does not have the relevant files (bug#1287).
1049 ## FIXME better to test for binary compatibility somehow.
1050 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1053 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1057 hpux10-20) CRT_DIR=/lib ;;
1060 test "x${GCC}" = xyes && crt_gcc=yes
1066 for file in $crt_files; do
1068 ## If we're using gcc, try to determine it automatically by asking
1069 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1070 ## system-dependent default from above.]
1071 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1073 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1076 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1081 dnl We expect all the files to be in a single directory, so after the
1082 dnl first there is no point asking gcc.
1085 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1088 test "x$crt_missing" = x || \
1089 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1090 Try using the --with-crt-dir option.])
1092 fi # crt_files != ""
1098 if test -f $CRT_DIR/crti.o; then
1100 test -f $CRT_DIR/crtn.o || \
1101 AC_MSG_ERROR([Required file not found: crtn.o])
1103 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1104 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1110 dnl This function definition taken from Gnome 2.0
1111 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1112 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1113 dnl also defines GSTUFF_PKG_ERRORS on error
1114 AC_DEFUN([PKG_CHECK_MODULES], [
1117 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1119 if test "$PKG_CONFIG" = "no" ; then
1120 ifelse([$4], , [AC_MSG_ERROR([
1121 *** 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])
1123 PKG_CONFIG_MIN_VERSION=0.9.0
1124 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1125 AC_MSG_CHECKING(for $2)
1127 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1131 AC_MSG_CHECKING($1_CFLAGS)
1132 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1133 AC_MSG_RESULT($$1_CFLAGS)
1135 AC_MSG_CHECKING($1_LIBS)
1136 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1137 AC_MSG_RESULT($$1_LIBS)
1142 ## If we have a custom action on failure, don't print errors, but
1143 ## do set a variable so people can do so.
1144 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1145 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1151 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1152 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1156 if test $succeeded = yes; then
1157 ifelse([$3], , :, [$3])
1159 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.])], [$4])
1164 if test "${with_sound}" != "no"; then
1165 # Sound support for GNU/Linux and the free BSDs.
1166 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1167 have_sound_header=yes)
1168 # Emulation library used on NetBSD.
1169 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1173 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1174 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1175 if test $HAVE_ALSA = yes; then
1176 SAVE_CFLAGS="$CFLAGS"
1177 SAVE_LDFLAGS="$LDFLAGS"
1178 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1179 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1180 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1181 emacs_alsa_normal=yes,
1182 emacs_alsa_normal=no)
1183 if test "$emacs_alsa_normal" != yes; then
1184 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1185 [[snd_lib_error_set_handler (0);]])],
1186 emacs_alsa_subdir=yes,
1187 emacs_alsa_subdir=no)
1188 if test "$emacs_alsa_subdir" != yes; then
1189 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1191 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1194 CFLAGS="$SAVE_CFLAGS"
1195 LDFLAGS="$SAVE_LDFLAGS"
1196 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1197 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1198 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1201 dnl Define HAVE_SOUND if we have sound support. We know it works and
1202 dnl compiles only on the specified platforms. For others, it
1203 dnl probably doesn't make sense to try.
1204 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1206 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1207 gnu-linux|freebsd|netbsd)
1208 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1213 AC_SUBST(CFLAGS_SOUND)
1216 dnl checks for header files
1217 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1218 linux/version.h sys/systeminfo.h \
1219 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1220 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1221 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1223 AC_MSG_CHECKING(if personality LINUX32 can be set)
1224 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1225 emacs_cv_personality_linux32=yes,
1226 emacs_cv_personality_linux32=no)
1227 AC_MSG_RESULT($emacs_cv_personality_linux32)
1229 if test $emacs_cv_personality_linux32 = yes; then
1230 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1231 [Define to 1 if personality LINUX32 can be set.])
1234 dnl On Solaris 8 there's a compilation warning for term.h because
1235 dnl it doesn't define `bool'.
1236 AC_CHECK_HEADERS(term.h, , , -)
1238 AC_CHECK_DECLS([sys_siglist])
1239 if test $ac_cv_have_decl_sys_siglist != yes; then
1240 # For Tru64, at least:
1241 AC_CHECK_DECLS([__sys_siglist])
1242 if test $ac_cv_have_decl___sys_siglist = yes; then
1243 AC_DEFINE(sys_siglist, __sys_siglist,
1244 [Define to any substitute for sys_siglist.])
1249 dnl Some systems have utime.h but don't declare the struct anyplace.
1250 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1251 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1252 #include <sys/time.h>
1255 #ifdef HAVE_SYS_TIME_H
1256 #include <sys/time.h>
1263 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1264 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1265 if test $emacs_cv_struct_utimbuf = yes; then
1266 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1269 dnl Check for speed_t typedef.
1270 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1271 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1272 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1273 if test $emacs_cv_speed_t = yes; then
1274 AC_DEFINE(HAVE_SPEED_T, 1,
1275 [Define to 1 if `speed_t' is declared by <termios.h>.])
1278 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1279 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1280 #include <sys/time.h>
1283 #ifdef HAVE_SYS_TIME_H
1284 #include <sys/time.h>
1288 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1289 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1290 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1291 if test $emacs_cv_struct_timeval = yes; then
1292 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1295 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1296 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1297 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1298 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1299 HAVE_EXCEPTION=$emacs_cv_struct_exception
1300 if test $emacs_cv_struct_exception != yes; then
1301 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1304 AC_CHECK_HEADERS(sys/socket.h)
1305 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1306 #if HAVE_SYS_SOCKET_H
1307 #include <sys/socket.h>
1309 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1310 #if HAVE_SYS_SOCKET_H
1311 #include <sys/socket.h>
1313 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1314 #if HAVE_SYS_SOCKET_H
1315 #include <sys/socket.h>
1317 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1319 dnl checks for structure members
1322 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1323 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1324 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1325 [#include <time.h>])
1326 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1327 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1328 struct ifreq.ifr_addr,
1329 struct ifreq.ifr_addr.sa_len], , ,
1330 [AC_INCLUDES_DEFAULT
1331 #if HAVE_SYS_SOCKET_H
1332 #include <sys/socket.h>
1338 dnl checks for compiler characteristics
1340 dnl Testing __STDC__ to determine prototype support isn't good enough.
1341 dnl DEC C, for instance, doesn't define it with default options, and
1342 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1347 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1348 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1349 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1350 if test $emacs_cv_void_star = yes; then
1351 AC_DEFINE(POINTER_TYPE, void)
1353 AC_DEFINE(POINTER_TYPE, char)
1355 AH_TEMPLATE(POINTER_TYPE,
1356 [Define as `void' if your compiler accepts `void *'; otherwise
1357 define as `char'.])dnl
1359 dnl Check for endianess
1362 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1363 [emacs_cv_attribute_aligned],
1366 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1368 [emacs_cv_attribute_aligned=yes],
1369 [emacs_cv_attribute_aligned=no])])
1370 if test $emacs_cv_attribute_aligned = yes; then
1371 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1372 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1375 dnl check for Make feature
1381 dnl check for GNU Make if we have GCC and autodepend is on.
1382 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1383 AC_MSG_CHECKING([whether we are using GNU Make])
1385 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1386 if test "x$testval" != x; then
1389 ac_enable_autodepend=no
1391 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1392 if test $HAVE_GNU_MAKE = yes; then
1393 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1394 SAVE_CFLAGS="$CFLAGS"
1395 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1396 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1397 CFLAGS="$SAVE_CFLAGS"
1398 test -f deps.d || ac_enable_autodepend=no
1400 AC_MSG_RESULT([$ac_enable_autodepend])
1402 if test $ac_enable_autodepend = yes; then
1403 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1404 ## In parallel builds, another make might create depdir between
1405 ## the first test and mkdir, so stick another test on the end.
1406 ## Or use install-sh -d? mkdir -p is not portable.
1407 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1408 deps_frag=autodeps.mk
1411 deps_frag=$srcdir/src/$deps_frag
1414 AC_SUBST_FILE(deps_frag)
1417 lisp_frag=$srcdir/src/lisp.mk
1418 AC_SUBST_FILE(lisp_frag)
1421 dnl checks for operating system services
1422 AC_SYS_LONG_FILE_NAMES
1424 #### Choose a window system.
1427 if test "$no_x" = yes; then
1433 ## Workaround for bug in autoconf <= 2.62.
1434 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1435 ## No need to do anything special for these standard directories.
1436 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1438 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1442 LD_SWITCH_X_SITE_AUX=
1443 LD_SWITCH_X_SITE_AUX_RPATH=
1444 if test "${x_libraries}" != NONE; then
1445 if test -n "${x_libraries}"; then
1446 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1447 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1448 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1450 x_default_search_path=""
1451 x_search_path=${x_libraries}
1452 if test -z "${x_search_path}"; then
1453 x_search_path=/usr/lib
1455 for x_library in `echo ${x_search_path}: | \
1456 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1458 ${x_library}/X11/%L/%T/%N%C%S:\
1459 ${x_library}/X11/%l/%T/%N%C%S:\
1460 ${x_library}/X11/%T/%N%C%S:\
1461 ${x_library}/X11/%L/%T/%N%S:\
1462 ${x_library}/X11/%l/%T/%N%S:\
1463 ${x_library}/X11/%T/%N%S"
1464 if test x"${x_default_search_path}" = x; then
1465 x_default_search_path=${x_search_path}
1467 x_default_search_path="${x_search_path}:${x_default_search_path}"
1471 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1472 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1474 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1475 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1478 if test x"${x_includes}" = x; then
1479 bitmapdir=/usr/include/X11/bitmaps
1481 # accumulate include directories that have X11 bitmap subdirectories
1483 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1484 if test -d "${bmd}/X11/bitmaps"; then
1485 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1487 if test -d "${bmd}/bitmaps"; then
1488 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1491 if test ${bmd_acc} != "dummyval"; then
1492 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1499 tmp_CPPFLAGS="$CPPFLAGS"
1500 tmp_CFLAGS="$CFLAGS"
1501 CPPFLAGS="$CPPFLAGS -x objective-c"
1502 CFLAGS="$CFLAGS -x objective-c"
1503 TEMACS_LDFLAGS2="\${LDFLAGS}"
1505 dnl I don't think it's especially important, but src/Makefile.in
1506 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1507 dnl trailing "/" to it, so now we do it here.
1508 if test "${with_ns}" != no; then
1509 if test "${opsys}" = darwin; then
1511 ns_appdir=`pwd`/nextstep/Emacs.app
1512 ns_appbindir=${ns_appdir}/Contents/MacOS/
1513 ns_appresdir=${ns_appdir}/Contents/Resources
1514 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1515 elif test -f $GNUSTEP_CONFIG_FILE; then
1517 ns_appdir=`pwd`/nextstep/Emacs.app
1518 ns_appbindir=${ns_appdir}/
1519 ns_appresdir=${ns_appdir}/Resources
1520 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1521 dnl FIXME sourcing this several times in subshells seems inefficient.
1522 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1523 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1524 dnl I seemed to need these as well with GNUstep-startup 0.25.
1525 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1526 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1527 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1528 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1529 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1530 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1531 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1532 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1533 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1537 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1538 dnl If they had chosen to either define it or not, we could have
1539 dnl just used AC_CHECK_DECL here.
1540 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1541 emacs_cv_objc_exceptions,
1542 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1543 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1547 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1548 if test $emacs_cv_objc_exceptions = yes; then
1549 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1550 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1551 [Define if GNUstep uses ObjC exceptions.])
1552 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1556 dnl This is only used while we test the NS headers, it gets reset below.
1557 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1559 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1560 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1561 files are missing or cannot be compiled.])])
1562 NS_HAVE_NSINTEGER=yes
1563 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1565 ns_have_nsinteger=yes,
1566 ns_have_nsinteger=no)
1567 if test $ns_have_nsinteger = no; then
1568 NS_HAVE_NSINTEGER=no
1571 AC_SUBST(TEMACS_LDFLAGS2)
1576 if test "${HAVE_NS}" = yes; then
1577 window_system=nextstep
1579 # set up packaging dirs
1580 exec_prefix=${ns_appbindir}
1581 libexecdir=${ns_appbindir}/libexec
1582 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1583 prefix=${ns_appresdir}
1585 ns_frag=$srcdir/src/ns.mk
1586 NS_OBJ="fontset.o fringe.o image.o"
1587 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1589 CFLAGS="$tmp_CFLAGS"
1590 CPPFLAGS="$tmp_CPPFLAGS"
1592 AC_SUBST(NS_OBJC_OBJ)
1593 AC_SUBST(LIB_STANDARD)
1594 AC_SUBST_FILE(ns_frag)
1596 case "${window_system}" in
1600 case "${with_x_toolkit}" in
1601 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1602 motif ) USE_X_TOOLKIT=MOTIF ;;
1604 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1605 dnl USE_X_TOOLKIT is set.
1606 USE_X_TOOLKIT=none ;;
1607 gtk3 ) with_gtk3=yes
1608 USE_X_TOOLKIT=none ;;
1609 no ) USE_X_TOOLKIT=none ;;
1610 dnl If user did not say whether to use a toolkit, make this decision later:
1611 dnl use the toolkit if we have gtk, or X11R5 or newer.
1612 * ) USE_X_TOOLKIT=maybe ;;
1622 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1623 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1624 if test "$HAVE_XSERVER" = true ||
1625 test -n "$DISPLAY" ||
1626 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1627 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1628 were found. You should install the relevant development files for X
1629 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1630 sure you have development files for image handling, i.e.
1631 tiff, gif, jpeg, png and xpm.
1632 If you are sure you want Emacs compiled without X window support, pass
1638 ### If we're using X11, we should use the X menu package.
1641 yes ) HAVE_MENUS=yes ;;
1644 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1645 # Assume not, until told otherwise.
1648 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1649 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1650 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1651 emacs_cv_var___after_morecore_hook,
1652 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1653 emacs_cv_var___after_morecore_hook=yes,
1654 emacs_cv_var___after_morecore_hook=no)])
1655 if test $emacs_cv_var___after_morecore_hook = no; then
1660 dnl See comments in aix4-2.h about maybe using system malloc there.
1663 ## darwin ld insists on the use of malloc routines in the System framework.
1664 darwin|sol2-10) system_malloc=yes ;;
1667 if test "${system_malloc}" = "yes"; then
1668 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1671 (The GNU allocators don't work with this system configuration.)"
1675 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1676 VMLIMIT_OBJ=vm-limit.o
1678 AC_SUBST(GMALLOC_OBJ)
1679 AC_SUBST(VMLIMIT_OBJ)
1681 if test "$doug_lea_malloc" = "yes" ; then
1682 if test "$GNU_MALLOC" = yes ; then
1684 (Using Doug Lea's new malloc from the GNU C Library.)"
1686 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1687 [Define to 1 if you are using the GNU C Library.])
1689 ## Use mmap directly for allocating larger buffers.
1690 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1691 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1692 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1694 gnu*) REL_ALLOC=no ;;
1698 if test x"${REL_ALLOC}" = x; then
1699 REL_ALLOC=${GNU_MALLOC}
1702 use_mmap_for_buffers=no
1704 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1708 if test $use_mmap_for_buffers = yes; then
1709 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1713 LIBS="$LIBS_SYSTEM $LIBS"
1715 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1716 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1717 AC_CHECK_LIB(dnet, dnet_ntoa)
1718 dnl This causes -lresolv to get used in subsequent tests,
1719 dnl which causes failures on some systems such as HPUX 9.
1720 dnl AC_CHECK_LIB(resolv, gethostbyname)
1722 dnl FIXME replace main with a function we actually want from this library.
1723 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1725 dnl Check if pthreads is available.
1727 AC_CHECK_HEADERS(pthread.h)
1728 if test "$ac_cv_header_pthread_h"; then
1729 AC_CHECK_LIB(pthread, pthread_self, HAVE_PTHREAD=yes)
1731 if test "$HAVE_PTHREAD" = yes; then
1732 case "${canonical}" in
1734 *) LIB_PTHREAD="-lpthread" ;;
1736 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1738 AC_SUBST([LIB_PTHREAD])
1740 AC_CHECK_LIB(pthreads, cma_open)
1742 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1743 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1744 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1745 ## added to LIBS in configure would never contain the pthreads part,
1746 ## but the value used in Makefiles might. FIXME?
1748 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1749 ## be harmless on older versions of X where it happens to exist.
1750 test "$opsys" = "aix4-2" && \
1751 test $ac_cv_lib_pthreads_cma_open = yes && \
1752 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1754 dnl Check for need for bigtoc support on IBM AIX
1758 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1760 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1761 *) gdb_cv_bigtoc=-bbigtoc ;;
1764 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1765 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1770 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1771 # used for the tests that follow. We set them back to REAL_CFLAGS and
1772 # REAL_CPPFLAGS later on.
1774 REAL_CFLAGS="$CFLAGS"
1775 REAL_CPPFLAGS="$CPPFLAGS"
1777 if test "${HAVE_X11}" = "yes"; then
1778 DEFS="$C_SWITCH_X_SITE $DEFS"
1779 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1781 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1782 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1784 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1785 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1786 # but it's more convenient here to set LD_RUN_PATH
1787 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1788 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1789 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1793 if test "${opsys}" = "gnu-linux"; then
1794 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1795 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1796 [[XOpenDisplay ("foo");]])],
1797 [xgnu_linux_first_failure=no],
1798 [xgnu_linux_first_failure=yes])
1799 if test "${xgnu_linux_first_failure}" = "yes"; then
1800 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1801 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1802 OLD_CPPFLAGS="$CPPFLAGS"
1804 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1805 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1806 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1807 LIBS="$LIBS -b i486-linuxaout"
1808 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1809 [[XOpenDisplay ("foo");]])],
1810 [xgnu_linux_second_failure=no],
1811 [xgnu_linux_second_failure=yes])
1812 if test "${xgnu_linux_second_failure}" = "yes"; then
1813 # If we get the same failure with -b, there is no use adding -b.
1814 # So take it out. This plays safe.
1815 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1816 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1817 CPPFLAGS="$OLD_CPPFLAGS"
1828 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1829 # header files included from there.
1830 AC_MSG_CHECKING(for Xkb)
1831 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1832 #include <X11/XKBlib.h>]],
1833 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1834 emacs_xkb=yes, emacs_xkb=no)
1835 AC_MSG_RESULT($emacs_xkb)
1836 if test $emacs_xkb = yes; then
1837 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1840 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1841 XScreenNumberOfScreen XSetWMProtocols)
1844 if test "${window_system}" = "x11"; then
1845 AC_MSG_CHECKING(X11 version 6)
1846 AC_CACHE_VAL(emacs_cv_x11_version_6,
1847 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1848 [[#if XlibSpecificationRelease < 6
1851 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1852 if test $emacs_cv_x11_version_6 = yes; then
1853 AC_MSG_RESULT(6 or newer)
1854 AC_DEFINE(HAVE_X11R6, 1,
1855 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1856 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1857 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1861 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1862 [Define if you have usable X11R6-style XIM support.])
1866 AC_MSG_RESULT(before 6)
1871 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1873 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1874 if test "${with_rsvg}" != "no"; then
1875 RSVG_REQUIRED=2.11.0
1876 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1878 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1879 AC_SUBST(RSVG_CFLAGS)
1882 if test $HAVE_RSVG = yes; then
1883 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1884 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1885 LIBS="$RSVG_LIBS $LIBS"
1891 if test "${HAVE_X11}" = "yes"; then
1892 if test "${with_imagemagick}" != "no"; then
1893 ## 6.2.8 is the earliest version known to work, but earlier versions
1894 ## might work - let us know if you find one.
1895 ## 6.0.7 does not work. See bug#7955.
1896 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1897 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1898 AC_SUBST(IMAGEMAGICK_CFLAGS)
1899 AC_SUBST(IMAGEMAGICK_LIBS)
1901 if test $HAVE_IMAGEMAGICK = yes; then
1902 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1903 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1904 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1905 AC_CHECK_FUNCS(MagickExportImagePixels)
1913 if test "${with_gtk3}" = "yes"; then
1916 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1918 dnl Checks for libraries.
1919 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1920 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1921 AC_MSG_ERROR($GTK_PKG_ERRORS)
1923 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1924 GTK_OBJ=emacsgtkfixed.o
1927 if test "$pkg_check_gtk" != "yes"; then
1929 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1932 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1934 dnl Checks for libraries.
1935 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1936 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1937 AC_MSG_ERROR($GTK_PKG_ERRORS)
1942 if test x"$pkg_check_gtk" = xyes; then
1944 AC_SUBST(GTK_CFLAGS)
1946 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1947 CFLAGS="$CFLAGS $GTK_CFLAGS"
1948 LIBS="$GTK_LIBS $LIBS"
1949 dnl Try to compile a simple GTK program.
1951 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1952 if test "${GTK_COMPILES}" != "yes"; then
1953 if test "$USE_X_TOOLKIT" != "maybe"; then
1954 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1958 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1959 GTK_OBJ="gtkutil.o $GTK_OBJ"
1961 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1964 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1965 closing open displays. This is no problem if you just use
1966 one display, but if you use more than one and close one of them
1976 if test "${HAVE_GTK}" = "yes"; then
1978 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1979 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1980 if test "$with_toolkit_scroll_bars" != no; then
1981 with_toolkit_scroll_bars=yes
1984 dnl Check if we have the old file selection dialog declared and
1985 dnl in the link library. In 2.x it may be in the library,
1986 dnl but not declared if deprecated featured has been selected out.
1987 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1988 HAVE_GTK_FILE_SELECTION=no
1989 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1990 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1991 #include <gtk/gtk.h>])
1992 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1993 AC_CHECK_FUNCS(gtk_file_selection_new)
1997 dnl Check for functions introduced in 2.14 and later.
1998 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1999 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2000 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2001 gtk_orientable_set_orientation)
2010 if test "${with_xwidgets}" != "no"; then
2011 echo "xwidgets enabled, checking webkit, and others"
2013 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2016 # - enable only if gtk/gtk3 enabled
2017 # - webkit, goocanvas, clutter
2018 # - only webkit_osr is good so remove plain webkit laterish
2020 #webkit version for gtk3.
2021 WEBKIT_REQUIRED=1.4.0
2022 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2024 if test "${with_gtk3}" = "yes"; then
2025 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2026 if test $HAVE_WEBKIT = yes; then
2027 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2031 if test "${with_xwdemo}" = "yes"; then
2032 #clutter and goocanvas are just proof of concept so disable for now
2033 CLUTTER_REQUIRED=1.0.0
2034 CLUTTER_MODULES="clutter-gtk-1.0 >= $CLUTTER_REQUIRED"
2036 PKG_CHECK_MODULES(CLUTTER, $CLUTTER_MODULES, HAVE_CLUTTER=yes, HAVE_CLUTTER=no)
2037 if test $HAVE_CLUTTER = yes; then
2038 AC_DEFINE(HAVE_CLUTTER, 1, [Define to 1 if you have clutter support.])
2042 GOOCANVAS_REQUIRED=1.4.0
2043 GOOCANVAS_MODULES="goocanvasgtk-3.0 >= $GOOCANVAS_REQUIRED"
2045 PKG_CHECK_MODULES(GOOCANVAS, $GOOCANVAS_MODULES, HAVE_GOOCANVAS=yes, HAVE_GOOCANVAS=no)
2046 if test $HAVE_GOOCANVAS = yes; then
2047 AC_DEFINE(HAVE_GOOCANVAS, 1, [Define to 1 if you have goocanvas support.])
2053 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2054 dnl other platforms. Support for higher D-Bus versions than 1.0 is
2055 dnl also not configured.
2058 if test "${with_dbus}" = "yes"; then
2059 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2060 if test "$HAVE_DBUS" = yes; then
2061 LIBS="$LIBS $DBUS_LIBS"
2062 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2063 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
2069 dnl GSettings has been tested under GNU/Linux only.
2071 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2072 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2073 if test "$HAVE_GSETTINGS" = "yes"; then
2074 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2075 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2076 SETTINGS_LIBS="$GSETTINGS_LIBS"
2080 dnl GConf has been tested under GNU/Linux only.
2081 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2083 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2084 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2085 if test "$HAVE_GCONF" = yes; then
2086 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2087 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2088 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2089 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2093 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2094 SAVE_CFLAGS="$CFLAGS"
2095 SAVE_LDFLAGS="$LDFLAGS"
2096 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2097 LDFLAGS="$SETTINGS_LIBS $LDFLAGS"
2098 AC_CHECK_FUNCS([g_type_init])
2099 CFLAGS="$SAVE_CFLAGS"
2100 LDFLAGS="$SAVE_LDFLAGS"
2102 AC_SUBST(SETTINGS_CFLAGS)
2103 AC_SUBST(SETTINGS_LIBS)
2106 dnl SELinux is available for GNU/Linux only.
2109 if test "${with_selinux}" = "yes"; then
2110 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2111 if test "$HAVE_LIBSELINUX" = yes; then
2112 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2113 LIBSELINUX_LIBS=-lselinux
2116 AC_SUBST(LIBSELINUX_LIBS)
2119 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2120 if test "${with_gnutls}" = "yes" ; then
2121 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.0], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2122 if test "${HAVE_GNUTLS}" = "yes"; then
2123 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2126 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2127 LIBS="$LIBGNUTLS_LIBS $LIBS"
2128 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2130 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2131 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2135 AC_SUBST(LIBGNUTLS_LIBS)
2136 AC_SUBST(LIBGNUTLS_CFLAGS)
2138 dnl Do not put whitespace before the #include statements below.
2139 dnl Older compilers (eg sunos4 cc) choke on it.
2142 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2143 if test "$with_xaw3d" != no; then
2144 AC_MSG_CHECKING(for xaw3d)
2145 AC_CACHE_VAL(emacs_cv_xaw3d,
2146 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2147 #include <X11/Intrinsic.h>
2148 #include <X11/Xaw3d/Simple.h>]],
2150 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2151 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2152 emacs_cv_xaw3d=no)])
2156 if test $emacs_cv_xaw3d = yes; then
2157 AC_MSG_RESULT([yes; using Lucid toolkit])
2161 AC_DEFINE(HAVE_XAW3D, 1,
2162 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2165 AC_MSG_CHECKING(for libXaw)
2166 AC_CACHE_VAL(emacs_cv_xaw,
2167 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2168 #include <X11/Intrinsic.h>
2169 #include <X11/Xaw/Simple.h>]],
2173 if test $emacs_cv_xaw = yes; then
2174 AC_MSG_RESULT([yes; using Lucid toolkit])
2177 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2178 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2180 AC_MSG_ERROR([No X toolkit could be found.
2181 If you are sure you want Emacs compiled without an X toolkit, pass
2183 to configure. Otherwise, install the development libraries for the toolkit
2184 that you want to use (e.g. Gtk+) and re-run configure.])
2189 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2192 if test "${USE_X_TOOLKIT}" != "none"; then
2193 AC_MSG_CHECKING(X11 toolkit version)
2194 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2195 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2196 [[#if XtSpecificationRelease < 6
2199 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2200 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2201 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2202 AC_MSG_RESULT(6 or newer)
2203 AC_DEFINE(HAVE_X11XTR6, 1,
2204 [Define to 1 if you have the X11R6 or newer version of Xt.])
2205 LIBXTR6="-lSM -lICE"
2207 ## Use libw.a along with X11R6 Xt.
2208 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2211 AC_MSG_RESULT(before 6)
2214 dnl If using toolkit, check whether libXmu.a exists.
2215 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2217 if test x$HAVE_X11XTR6 = xyes; then
2218 LIBS="-lXt -lSM -lICE $LIBS"
2222 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2223 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2227 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2228 dnl Why not just test for libxmu in the normal way?
2231 ## These systems don't supply Xmu.
2233 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2238 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2239 if test "${HAVE_X11}" = "yes"; then
2240 if test "${USE_X_TOOLKIT}" != "none"; then
2241 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2246 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2247 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2248 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2249 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2252 Motif version prior to 2.1.
2254 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2255 if test $emacs_cv_motif_version_2_1 = yes; then
2256 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2258 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2259 # We put this in CFLAGS temporarily to precede other -I options
2260 # that might be in CFLAGS temporarily.
2261 # We put this in CPPFLAGS where it precedes the other -I options.
2262 OLD_CPPFLAGS=$CPPFLAGS
2264 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2265 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2266 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2268 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2269 if test $emacs_cv_lesstif = yes; then
2270 # Make sure this -I option remains in CPPFLAGS after it is set
2271 # back to REAL_CPPFLAGS.
2272 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2273 # have those other -I options anyway. Ultimately, having this
2274 # directory ultimately in CPPFLAGS will be enough.
2275 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2276 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2279 CPPFLAGS=$OLD_CPPFLAGS
2284 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2285 dnl using Motif or Xaw3d is available, and unless
2286 dnl --with-toolkit-scroll-bars=no was specified.
2288 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2289 [Define to 1 if we should use toolkit scroll bars.])dnl
2290 USE_TOOLKIT_SCROLL_BARS=no
2291 if test "${with_toolkit_scroll_bars}" != "no"; then
2292 if test "${USE_X_TOOLKIT}" != "none"; then
2293 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2294 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2296 USE_TOOLKIT_SCROLL_BARS=yes
2297 elif test "${HAVE_XAW3D}" = "yes"; then
2298 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2299 USE_TOOLKIT_SCROLL_BARS=yes
2301 elif test "${HAVE_GTK}" = "yes"; then
2302 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2303 USE_TOOLKIT_SCROLL_BARS=yes
2304 elif test "${HAVE_NS}" = "yes"; then
2305 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2306 USE_TOOLKIT_SCROLL_BARS=yes
2310 dnl See if XIM is available.
2311 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2312 #include <X11/Xlib.h>
2313 #include <X11/Xresource.h>]],
2314 [[XIMProc callback;]])],
2316 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2319 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2321 if test "${with_xim}" != "no"; then
2322 AC_DEFINE(USE_XIM, 1,
2323 [Define to 1 if we should use XIM, if it is available.])
2327 if test "${HAVE_XIM}" != "no"; then
2329 if test "$GCC" = yes; then
2330 CFLAGS="$CFLAGS --pedantic-errors"
2332 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2333 #include <X11/Xlib.h>
2334 #include <X11/Xresource.h>]],
2340 XPointer *client_data;
2342 /* If we're not using GCC, it's probably not XFree86, and this is
2343 probably right, but we can't use something like --pedantic-errors. */
2344 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2345 char*, XIMProc, XPointer*);
2347 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2349 [emacs_cv_arg6_star=yes])
2350 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2351 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2352 either XPointer or XPointer*.])dnl
2353 if test "$emacs_cv_arg6_star" = yes; then
2354 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2356 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2361 ### Start of font-backend (under any platform) section.
2362 # (nothing here yet -- this is a placeholder)
2363 ### End of font-backend (under any platform) section.
2365 ### Start of font-backend (under X11) section.
2366 if test "${HAVE_X11}" = "yes"; then
2367 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2369 ## Use -lXft if available, unless `--with-xft=no'.
2371 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2374 if test "x${with_xft}" != "xno"; then
2376 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2377 ## Because xftfont.c uses XRenderQueryExtension, we also
2378 ## need to link to -lXrender.
2380 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2381 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2382 OLD_CPPFLAGS="$CPPFLAGS"
2383 OLD_CFLAGS="$CFLAGS"
2385 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2386 CFLAGS="$CFLAGS $XFT_CFLAGS"
2387 XFT_LIBS="-lXrender $XFT_LIBS"
2388 LIBS="$XFT_LIBS $LIBS"
2389 AC_CHECK_HEADER(X11/Xft/Xft.h,
2390 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2392 if test "${HAVE_XFT}" = "yes"; then
2393 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2395 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2397 CPPFLAGS="$OLD_CPPFLAGS"
2398 CFLAGS="$OLD_CFLAGS"
2400 fi # "${HAVE_XFT}" = "yes"
2401 fi # "$HAVE_XFT" != no
2402 fi # "x${with_xft}" != "xno"
2404 ## We used to allow building with FreeType and without Xft.
2405 ## However, the ftx font backend driver is not in good shape.
2406 if test "$HAVE_XFT" != "yes"; then
2407 dnl For the "Does Emacs use" message at the end.
2411 dnl Strict linkers fail with
2412 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2413 dnl if -lfreetype is not specified.
2414 dnl The following is needed to set FREETYPE_LIBS.
2415 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2418 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2422 if test "${HAVE_FREETYPE}" = "yes"; then
2423 AC_DEFINE(HAVE_FREETYPE, 1,
2424 [Define to 1 if using the freetype and fontconfig libraries.])
2425 if test "${with_libotf}" != "no"; then
2426 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2428 if test "$HAVE_LIBOTF" = "yes"; then
2429 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2430 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2431 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2432 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2433 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2434 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2435 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2439 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2440 dnl Does the new font backend require it, or can it work without it?
2444 if test "${HAVE_LIBOTF}" = yes; then
2445 if test "${with_m17n_flt}" != "no"; then
2446 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2447 if test "$HAVE_M17N_FLT" = "yes"; then
2448 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2459 ### End of font-backend (under X11) section.
2461 AC_SUBST(FREETYPE_CFLAGS)
2462 AC_SUBST(FREETYPE_LIBS)
2463 AC_SUBST(FONTCONFIG_CFLAGS)
2464 AC_SUBST(FONTCONFIG_LIBS)
2465 AC_SUBST(LIBOTF_CFLAGS)
2466 AC_SUBST(LIBOTF_LIBS)
2467 AC_SUBST(M17N_FLT_CFLAGS)
2468 AC_SUBST(M17N_FLT_LIBS)
2470 ### Use -lXpm if available, unless `--with-xpm=no'.
2473 if test "${HAVE_X11}" = "yes"; then
2474 if test "${with_xpm}" != "no"; then
2475 AC_CHECK_HEADER(X11/xpm.h,
2476 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2477 if test "${HAVE_XPM}" = "yes"; then
2478 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2479 AC_EGREP_CPP(no_return_alloc_pixels,
2480 [#include "X11/xpm.h"
2481 #ifndef XpmReturnAllocPixels
2482 no_return_alloc_pixels
2484 ], HAVE_XPM=no, HAVE_XPM=yes)
2486 if test "${HAVE_XPM}" = "yes"; then
2494 if test "${HAVE_XPM}" = "yes"; then
2495 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2501 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2504 if test "${HAVE_X11}" = "yes"; then
2505 if test "${with_jpeg}" != "no"; then
2506 dnl Checking for jpeglib.h can lose because of a redefinition of
2508 AC_CHECK_HEADER(jerror.h,
2509 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2512 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2513 if test "${HAVE_JPEG}" = "yes"; then
2514 AC_DEFINE(HAVE_JPEG)
2515 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2516 [#include <jpeglib.h>
2517 version=JPEG_LIB_VERSION
2519 [AC_DEFINE(HAVE_JPEG)],
2520 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2523 if test "${HAVE_JPEG}" = "yes"; then
2529 ### Use -lpng if available, unless `--with-png=no'.
2532 if test "${HAVE_X11}" = "yes"; then
2533 if test "${with_png}" != "no"; then
2534 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2535 # in /usr/include/libpng.
2536 AC_CHECK_HEADERS(png.h libpng/png.h)
2537 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2538 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2542 if test "${HAVE_PNG}" = "yes"; then
2543 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2544 LIBPNG="-lpng -lz -lm"
2549 ### Use -ltiff if available, unless `--with-tiff=no'.
2552 if test "${HAVE_X11}" = "yes"; then
2553 if test "${with_tiff}" != "no"; then
2554 AC_CHECK_HEADER(tiffio.h,
2556 # At least one tiff package requires the jpeg library.
2557 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2558 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2561 if test "${HAVE_TIFF}" = "yes"; then
2562 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2563 dnl FIXME -lz -lm, as per libpng?
2569 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2572 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2573 AC_CHECK_HEADER(gif_lib.h,
2574 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2575 # Earlier versions can crash Emacs.
2576 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2578 if test "$HAVE_GIF" = yes; then
2580 elif test "$HAVE_GIF" = maybe; then
2581 # If gif_lib.h but no libgif, try libungif.
2582 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2583 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2586 if test "${HAVE_GIF}" = "yes"; then
2587 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2592 dnl Check for required libraries.
2593 if test "${HAVE_X11}" = "yes"; then
2596 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2597 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2598 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2599 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2600 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2601 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2602 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2603 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2604 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2605 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2607 if test "X${MISSING}" != X; then
2608 AC_MSG_ERROR([The following required libraries were not found:
2610 Maybe some development libraries/packages are missing?
2611 If you don't want to link with them give
2613 as options to configure])
2617 ### Use -lgpm if available, unless `--with-gpm=no'.
2620 if test "${with_gpm}" != "no"; then
2621 AC_CHECK_HEADER(gpm.h,
2622 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2624 if test "${HAVE_GPM}" = "yes"; then
2625 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2631 dnl Check for malloc/malloc.h on darwin
2632 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.])])
2635 ### Use NeXTstep API to implement GUI.
2636 if test "${HAVE_NS}" = "yes"; then
2637 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2638 if test "${NS_IMPL_COCOA}" = "yes"; then
2639 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2641 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2642 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2643 # See also .m.o rule in Makefile.in */
2644 # FIXME: are all these flags really needed? Document here why. */
2645 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2646 ## Extra CFLAGS applied to src/*.m files.
2647 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2649 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2650 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2652 # We also have mouse menus.
2658 ### Use session management (-lSM -lICE) if available
2661 if test "${HAVE_X11}" = "yes"; then
2662 AC_CHECK_HEADER(X11/SM/SMlib.h,
2663 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2665 if test "${HAVE_X_SM}" = "yes"; then
2666 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2670 *) LIBS="$LIBXSM $LIBS" ;;
2676 ### Use libxml (-lxml2) if available
2678 if test "${with_xml2}" != "no"; then
2679 ### I'm not sure what the version number should be, so I just guessed.
2680 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2681 if test "${HAVE_LIBXML2}" = "yes"; then
2682 LIBS="$LIBXML2_LIBS $LIBS"
2683 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2684 if test "${HAVE_LIBXML2}" = "yes"; then
2685 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2692 AC_SUBST(LIBXML2_LIBS)
2693 AC_SUBST(LIBXML2_CFLAGS)
2695 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2696 AC_CACHE_CHECK(whether netdb declares h_errno,
2697 emacs_cv_netdb_declares_h_errno,
2698 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2699 [[return h_errno;]])],
2700 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2701 if test $emacs_cv_netdb_declares_h_errno = yes; then
2702 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2705 # fmod, logb, and frexp are found in -lm on most systems.
2706 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2707 AC_CHECK_LIB(m, sqrt)
2709 # Check for mail-locking functions in a "mail" library. Probably this should
2710 # have the same check as for liblockfile below.
2711 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2712 if test $have_mail = yes; then
2714 LIBS="$LIBS_MAIL $LIBS"
2715 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2719 dnl Debian, at least:
2720 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2721 if test $have_lockfile = yes; then
2722 LIBS_MAIL=-llockfile
2723 LIBS="$LIBS_MAIL $LIBS"
2724 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2726 # If we have the shared liblockfile, assume we must use it for mail
2727 # locking (e.g. Debian). If we couldn't link against liblockfile
2728 # (no liblockfile.a installed), ensure that we don't need to.
2729 dnl This works for files generally, not just executables.
2730 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2731 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2732 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2733 if test $ac_cv_prog_liblockfile = yes; then
2734 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2735 This probably means that movemail could lose mail.
2736 There may be a `development' package to install containing liblockfile.])
2739 AC_CHECK_FUNCS(touchlock)
2740 AC_CHECK_HEADERS(maillock.h)
2743 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2744 ## interlock access to the mail spool. The alternative is a lock file named
2745 ## /usr/spool/mail/$USER.lock.
2748 aix4-2) mail_lock="lockf" ;;
2750 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2752 ## On GNU/Linux systems, both methods are used by various mail programs.
2753 ## I assume most people are using newer mailers that have heard of flock.
2754 ## Change this if you need to.
2755 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2756 ## configure gets the right answers, and that means *NOT* using flock.
2757 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2758 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2759 ## Debian maintainer hasn't provided a clean fix for Emacs.
2760 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2761 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2762 ## correct logic. -- fx
2763 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2764 ## liblockfile is a Free Software replacement for libmail, used on
2765 ## Debian systems and elsewhere. -rfr.
2768 if test $have_mail = yes || test $have_lockfile = yes; then
2769 test $ac_cv_header_maillock_h = yes && mail_lock=no
2775 case "$mail_lock" in
2776 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2778 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2780 *) BLESSMAIL_TARGET="need-blessmail" ;;
2782 AC_SUBST(BLESSMAIL_TARGET)
2785 AC_CHECK_FUNCS(gethostname getdomainname \
2786 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2787 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2788 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2789 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2790 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2791 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2792 gai_strerror mkstemp getline getdelim mremap fsync sync \
2793 difftime mempcpy mblen mbrlen posix_memalign \
2794 cfmakeraw cfsetspeed copysign __executable_start)
2796 dnl Cannot use AC_CHECK_FUNCS
2797 AC_CACHE_CHECK([for __builtin_unwind_init],
2798 emacs_cv_func___builtin_unwind_init,
2799 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2800 emacs_cv_func___builtin_unwind_init=yes,
2801 emacs_cv_func___builtin_unwind_init=no)])
2802 if test $emacs_cv_func___builtin_unwind_init = yes; then
2803 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2804 [Define to 1 if you have the `__builtin_unwind_init' function.])
2807 AC_CHECK_HEADERS(sys/un.h)
2814 AC_CHECK_FUNCS(grantpt)
2816 # PTY-related GNU extensions.
2817 AC_CHECK_FUNCS(getpt)
2819 # Check this now, so that we will NOT find the above functions in ncurses.
2820 # That is because we have not set up to link ncurses in lib-src.
2821 # It's better to believe a function is not available
2822 # than to expect to find it in ncurses.
2823 # Also we need tputs and friends to be able to build at all.
2824 have_tputs_et_al=true
2825 # Maybe curses should be tried earlier?
2826 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2827 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap curses], , have_tputs_et_al=false)
2828 if test "$have_tputs_et_al" != true; then
2829 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2830 These libraries were tried: libncurses, libterminfo, libtermcap, libcurses.
2831 Please try installing whichever of these libraries is most appropriate
2832 for your system, together with its header files.
2833 For example, a libncurses-dev(el) or similar package.])
2835 # Must define this when any termcap library is found.
2836 AC_DEFINE(HAVE_LIBNCURSES, 1,
2837 [Define to 1 if you have the `ncurses' library (-lncurses).])
2838 ## FIXME This was the cpp logic, but I am not sure it is right.
2839 ## The above test has not necessarily found libncurses.
2842 ## Use terminfo instead of termcap?
2843 ## Note only system files NOT using terminfo are:
2844 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2845 ## darwin|gnu without ncurses.
2849 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2850 ## hpux10-20: Use the system provided termcap(3) library.
2851 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2852 ## is necessary. Otherwise Emacs dumps core when run -nw.
2853 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2855 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2856 ## The ncurses library has been moved out of the System framework in
2857 ## Mac OS X 10.2. So if configure detects it, set the command-line
2858 ## option to use it.
2860 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2861 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2863 LIBS_TERMCAP="-lncurses"
2868 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2869 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2870 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2871 [[#if __FreeBSD_version < 400000
2874 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2876 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2878 if test $emacs_cv_freebsd_terminfo = yes; then
2880 LIBS_TERMCAP="-lncurses"
2882 LIBS_TERMCAP="-ltermcap"
2887 if test $ac_cv_search_tputs = -lterminfo; then
2889 LIBS_TERMCAP="-lterminfo"
2891 LIBS_TERMCAP="-ltermcap"
2898 ## hpux: Make sure we get select from libc rather than from libcurses
2899 ## because libcurses on HPUX 10.10 has a broken version of select.
2900 ## We used to use -lc -lcurses, but this may be cleaner.
2901 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2903 openbsd) LIBS_TERMCAP="-lncurses" ;;
2905 ## Must use system termcap, if we use any termcap. It does special things.
2906 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2909 TERMCAP_OBJ=tparam.o
2910 if test $TERMINFO = yes; then
2911 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2913 ## Default used to be -ltermcap. Add a case above if need something else.
2914 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2916 TERMCAP_OBJ=terminfo.o
2918 AC_SUBST(LIBS_TERMCAP)
2919 AC_SUBST(TERMCAP_OBJ)
2922 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2924 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2925 #include <arpa/nameser.h>
2926 #include <resolv.h>]],
2927 [[return res_init();]])],
2928 have_res_init=yes, have_res_init=no)
2929 if test "$have_res_init" = no; then
2931 LIBS="$LIBS -lresolv"
2932 AC_MSG_CHECKING(for res_init with -lresolv)
2933 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2934 #include <arpa/nameser.h>
2935 #include <resolv.h>]],
2936 [[return res_init();]])],
2937 have_res_init=yes, have_res_init=no)
2938 AC_MSG_RESULT($have_res_init)
2939 if test "$have_res_init" = yes ; then
2945 if test "$have_res_init" = yes; then
2946 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2949 # Do we need the Hesiod library to provide the support routines?
2951 if test "$with_hesiod" != no ; then
2952 # Don't set $LIBS here -- see comments above. FIXME which comments?
2953 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2954 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2955 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2956 if test "$resolv" = yes ; then
2961 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2962 hesiod=yes, :, $RESOLVLIB)])
2964 if test x"$hesiod" = xyes; then
2965 AC_DEFINE(HAVE_LIBHESIOD, 1,
2966 [Define to 1 if you have the hesiod library (-lhesiod).])
2972 # Do we need libresolv (due to res_init or Hesiod)?
2973 if test "$resolv" = yes ; then
2974 AC_DEFINE(HAVE_LIBRESOLV, 1,
2975 [Define to 1 if you have the resolv library (-lresolv).])
2982 # These tell us which Kerberos-related libraries to use.
2989 if test "${with_kerberos}" != no; then
2990 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2991 if test $have_com_err = yes; then
2992 COM_ERRLIB=-lcom_err
2993 LIBS="$COM_ERRLIB $LIBS"
2994 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2996 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2997 if test $have_crypto = yes; then
2999 LIBS="$CRYPTOLIB $LIBS"
3000 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3002 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3003 if test $have_k5crypto = yes; then
3004 CRYPTOLIB=-lk5crypto
3005 LIBS="$CRYPTOLIB $LIBS"
3006 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3008 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3009 if test $have_krb5=yes; then
3011 LIBS="$KRB5LIB $LIBS"
3012 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3014 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3015 if test "${with_kerberos5}" = no; then
3016 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3017 if test $have_des425 = yes; then
3019 LIBS="$DESLIB $LIBS"
3020 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3022 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3023 if test $have_des = yes; then
3025 LIBS="$DESLIB $LIBS"
3026 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3029 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3030 if test $have_krb4 = yes; then
3032 LIBS="$KRB4LIB $LIBS"
3033 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3035 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3036 if test $have_krb = yes; then
3038 LIBS="$KRB4LIB $LIBS"
3039 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3044 if test "${with_kerberos5}" != no; then
3045 AC_CHECK_HEADERS(krb5.h,
3046 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3047 [#include <krb5.h>])])
3049 AC_CHECK_HEADERS(des.h,,
3050 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3051 [AC_CHECK_HEADERS(kerberos/des.h)])])
3052 AC_CHECK_HEADERS(krb.h,,
3053 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3054 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3056 AC_CHECK_HEADERS(com_err.h)
3059 AC_SUBST(COM_ERRLIB)
3065 AC_MSG_CHECKING(whether localtime caches TZ)
3066 AC_CACHE_VAL(emacs_cv_localtime_cache,
3067 [if test x$ac_cv_func_tzset = xyes; then
3068 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3069 char TZ_GMT0[] = "TZ=GMT0";
3070 char TZ_PST8[] = "TZ=PST8";
3073 time_t now = time ((time_t *) 0);
3074 int hour_GMT0, hour_unset;
3075 if (putenv (TZ_GMT0) != 0)
3077 hour_GMT0 = localtime (&now)->tm_hour;
3079 hour_unset = localtime (&now)->tm_hour;
3080 if (putenv (TZ_PST8) != 0)
3082 if (localtime (&now)->tm_hour == hour_GMT0)
3085 if (localtime (&now)->tm_hour != hour_unset)
3088 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3089 [# If we have tzset, assume the worst when cross-compiling.
3090 emacs_cv_localtime_cache=yes])
3092 # If we lack tzset, report that localtime does not cache TZ,
3093 # since we can't invalidate the cache if we don't have tzset.
3094 emacs_cv_localtime_cache=no
3096 AC_MSG_RESULT($emacs_cv_localtime_cache)
3097 if test $emacs_cv_localtime_cache = yes; then
3098 AC_DEFINE(LOCALTIME_CACHE, 1,
3099 [Define to 1 if localtime caches TZ.])
3102 if test "x$HAVE_TIMEVAL" = xyes; then
3103 AC_CHECK_FUNCS(gettimeofday)
3104 if test $ac_cv_func_gettimeofday = yes; then
3105 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3106 emacs_cv_gettimeofday_two_arguments,
3107 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3108 #ifdef TIME_WITH_SYS_TIME
3109 #include <sys/time.h>
3112 #ifdef HAVE_SYS_TIME_H
3113 #include <sys/time.h>
3118 [[struct timeval time;
3119 gettimeofday (&time, 0);]])],
3120 emacs_cv_gettimeofday_two_arguments=yes,
3121 emacs_cv_gettimeofday_two_arguments=no)])
3122 if test $emacs_cv_gettimeofday_two_arguments = no; then
3123 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3124 [Define to 1 if gettimeofday accepts only one argument.])
3130 AC_CHECK_FUNC(socket, , ok_so_far=no)
3131 if test $ok_so_far = yes; then
3132 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3134 if test $ok_so_far = yes; then
3135 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3137 if test $ok_so_far = yes; then
3138 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3139 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3140 [Define to 1 if you have inet sockets.])
3143 if test -f /usr/lpp/X11/bin/smt.exp; then
3144 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3145 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3148 AC_MSG_CHECKING(whether system supports dynamic ptys)
3149 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3151 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3158 AC_CHECK_FUNCS(snprintf)
3160 dnl Adapted from Haible's version.
3161 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3162 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3163 [[char* cs = nl_langinfo(CODESET);]])],
3164 emacs_cv_langinfo_codeset=yes,
3165 emacs_cv_langinfo_codeset=no)
3167 if test $emacs_cv_langinfo_codeset = yes; then
3168 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3169 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3174 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3175 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3176 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3177 if test "$emacs_cv_c_restrict_arr" = yes; then
3178 AC_DEFINE(__restrict_arr, __restrict,
3179 [Define to compiler's equivalent of C99 restrict keyword in array
3180 declarations. Define as empty for no equivalent.])
3183 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3184 dnl how the tty code is related to POSIX and/or other versions of termios.
3185 dnl The following looks like a useful start.
3187 dnl AC_SYS_POSIX_TERMIOS
3188 dnl if test $ac_cv_sys_posix_termios = yes; then
3189 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3190 dnl and macros for terminal control.])
3191 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3194 # Set up the CFLAGS for real compilation, so we can substitute it.
3195 CFLAGS="$REAL_CFLAGS"
3196 CPPFLAGS="$REAL_CPPFLAGS"
3198 ## Hack to detect a buggy GCC version.
3199 if test "x$GCC" = xyes \
3200 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3201 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3202 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3203 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3206 version=$PACKAGE_VERSION
3208 ### Specify what sort of things we'll be editing into Makefile and config.h.
3209 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3211 AC_SUBST(configuration)
3216 AC_SUBST(exec_prefix)
3219 AC_SUBST(sharedstatedir)
3220 AC_SUBST(libexecdir)
3224 AC_SUBST(locallisppath)
3226 AC_SUBST(x_default_search_path)
3228 AC_SUBST(archlibdir)
3233 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3234 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3235 ## end of LIBX_BASE, but nothing ever set it.
3236 AC_SUBST(LD_SWITCH_X_SITE)
3237 AC_SUBST(C_SWITCH_X_SITE)
3238 AC_SUBST(C_SWITCH_X_SYSTEM)
3240 ## Used in lwlib/Makefile.in.
3241 AC_SUBST(X_TOOLKIT_TYPE)
3242 if test -n "${machfile}"; then
3243 M_FILE="\$(srcdir)/${machfile}"
3247 S_FILE="\$(srcdir)/${opsysfile}"
3251 AC_SUBST(ns_appbindir)
3252 AC_SUBST(ns_appresdir)
3254 AC_SUBST(GNU_OBJC_CFLAGS)
3255 AC_SUBST(OTHER_FILES)
3257 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3258 [Define to the canonical Emacs configuration name.])
3259 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3260 [Define to the options passed to configure.])
3261 if test -n "$machfile"; then
3262 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3263 [Define to the used machine dependent file.])
3265 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3266 [Define to the used os dependent file.])
3271 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3272 AC_DEFINE(HAVE_X_WINDOWS, 1,
3273 [Define to 1 if you want to use the X window system.])
3275 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3277 if test "$HAVE_XFT" = "yes"; then
3278 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3279 elif test "$HAVE_FREETYPE" = "yes"; then
3280 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3290 if test "${USE_X_TOOLKIT}" != "none" ; then
3292 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3293 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3294 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3295 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3296 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3300 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3301 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3305 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3306 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3307 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3311 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3312 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3315 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3318 AC_SUBST(WIDGET_OBJ)
3321 case "$USE_X_TOOLKIT" in
3322 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3323 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3324 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
3326 AC_SUBST(TOOLKIT_LIBW)
3328 if test "$USE_X_TOOLKIT" = "none"; then
3329 LIBXT_OTHER="\$(LIBXSM)"
3330 OLDXMENU_TARGET="really-oldXMenu"
3332 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3333 OLDXMENU_TARGET="really-lwlib"
3335 AC_SUBST(LIBXT_OTHER)
3337 ## The X Menu stuff is present in the X10 distribution, but missing
3338 ## from X11. If we have X10, just use the installed library;
3339 ## otherwise, use our own copy.
3340 if test "${HAVE_X11}" = "yes" ; then
3341 AC_DEFINE(HAVE_X11, 1,
3342 [Define to 1 if you want to use version 11 of X windows.
3343 Otherwise, Emacs expects to use version 10.])
3345 if test "$USE_X_TOOLKIT" = "none"; then
3346 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3348 OLDXMENU="\${lwlibdir}/liblw.a"
3350 LIBXMENU="\$(OLDXMENU)"
3351 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3352 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3354 ## For a syntactically valid Makefile; not actually used for anything.
3355 ## See comments in src/Makefile.in.
3357 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3358 if test "${HAVE_X_WINDOWS}" = "yes"; then
3367 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3374 AC_SUBST(OLDXMENU_TARGET)
3377 AC_SUBST(LIBX_OTHER)
3378 AC_SUBST(OLDXMENU_DEPS)
3380 if test "${HAVE_MENUS}" = "yes" ; then
3381 AC_DEFINE(HAVE_MENUS, 1,
3382 [Define to 1 if you have mouse menus.
3383 (This is automatic if you use X, but the option to specify it remains.)
3384 It is also defined with other window systems that support xmenu.c.])
3387 if test "${GNU_MALLOC}" = "yes" ; then
3388 AC_DEFINE(GNU_MALLOC, 1,
3389 [Define to 1 if you want to use the GNU memory allocator.])
3393 if test "${REL_ALLOC}" = "yes" ; then
3394 AC_DEFINE(REL_ALLOC, 1,
3395 [Define REL_ALLOC if you want to use the relocating allocator for
3398 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3400 AC_SUBST(RALLOC_OBJ)
3402 if test "$opsys" = "cygwin"; then
3403 CYGWIN_OBJ="sheap.o"
3404 ## Cygwin differs because of its unexec().
3406 POST_ALLOC_OBJ=lastfile.o
3409 PRE_ALLOC_OBJ=lastfile.o
3412 AC_SUBST(CYGWIN_OBJ)
3413 AC_SUBST(PRE_ALLOC_OBJ)
3414 AC_SUBST(POST_ALLOC_OBJ)
3416 # Configure gnulib here, now that we know LIBS.
3417 gl_ASSERT_NO_GNULIB_POSIXCHECK
3418 gl_ASSERT_NO_GNULIB_TESTS
3422 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3425 ## The -headerpad option tells ld (see man page) to leave room at the
3426 ## end of the header for adding load commands. Needed for dumping.
3427 ## 0x690 is the total size of 30 segment load commands (at 56
3428 ## each); under Cocoa 31 commands are required.
3429 if test "$HAVE_NS" = "yes"; then
3430 libs_nsgui="-framework AppKit"
3436 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3438 ## This is here because src/Makefile.in did some extra fiddling around
3439 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3440 ## #ifndef LD_SWITCH_SYSTEM
3441 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3442 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3443 ## not using gcc, darwin system not on an alpha (ie darwin, since
3444 ## darwin + alpha does not occur).
3445 ## Because this was done in src/Makefile.in, the resulting part of
3446 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3447 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3448 ## rather than LD_SWITCH_SYSTEM.
3449 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3450 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3453 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3454 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3455 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3456 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3457 ## had different values in configure (in ac_link) and src/Makefile.in.
3458 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3459 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3461 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3464 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3465 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3468 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3474 ## gnu: GNU needs its own crt0.
3475 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3477 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3478 ## library search parth, i.e. it won't search /usr/lib for libc and
3479 ## friends. Using -nostartfiles instead avoids this problem, and
3480 ## will also work on earlier NetBSD releases.
3481 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3483 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3484 ## MkLinux/LinuxPPC needs this.
3485 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3488 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3494 if test "x$ORDINARY_LINK" = "xyes"; then
3497 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3499 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3500 ## freebsd, gnu-* not on macppc|ibms390x.
3501 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3503 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3504 ## places that are difficult to figure out at make time. Fortunately,
3505 ## these same versions allow you to pass arbitrary flags on to the
3506 ## linker, so there is no reason not to use it as a linker.
3508 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3509 ## searching for libraries in its internal directories, so we have to
3510 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3511 LD_FIRSTFLAG="-nostdlib"
3514 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3515 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3517 AC_SUBST(LD_FIRSTFLAG)
3520 ## FIXME? The logic here is not precisely the same as that above.
3521 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3522 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3524 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3527 freebsd|netbsd|openbsd) LIB_GCC= ;;
3530 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3531 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3537 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3538 ## immediately undefine it again and redefine it to empty.
3539 ## Was the C_SWITCH_X_SITE part really necessary?
3540 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3546 ## Ask GCC where to find libgcc.a.
3547 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3553 ## If we're using X11/GNUstep, define some consequences.
3554 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3555 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3556 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3560 AH_TOP([/* GNU Emacs site configuration template file.
3562 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3563 Free Software Foundation, Inc.
3565 This file is part of GNU Emacs.
3567 GNU Emacs is free software: you can redistribute it and/or modify
3568 it under the terms of the GNU General Public License as published by
3569 the Free Software Foundation, either version 3 of the License, or
3570 (at your option) any later version.
3572 GNU Emacs is distributed in the hope that it will be useful,
3573 but WITHOUT ANY WARRANTY; without even the implied warranty of
3574 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3575 GNU General Public License for more details.
3577 You should have received a copy of the GNU General Public License
3578 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3581 /* No code in Emacs #includes config.h twice, but some bits of code
3582 intended to work with other packages as well (like gmalloc.c)
3583 think they can include it as many times as they like. */
3584 #ifndef EMACS_CONFIG_H
3585 #define EMACS_CONFIG_H
3589 /* On AIX 3 this must be included before any other include file. */
3592 # error "alloca not available on this machine"
3595 /* Define AMPERSAND_FULL_NAME if you use the convention
3596 that & in the full name stands for the login id. */
3597 /* Turned on June 1996 supposing nobody will mind it. */
3598 #define AMPERSAND_FULL_NAME
3600 /* `subprocesses' should be defined if you want to
3601 have code for asynchronous subprocesses
3602 (as used in M-x compile and M-x shell).
3603 Only MSDOS does not support this (it overrides
3604 this in its config_opsysfile below). */
3606 #define subprocesses
3608 /* Include the os and machine dependent files. */
3609 #include config_opsysfile
3610 #ifdef config_machfile
3611 # include config_machfile
3614 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3615 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3616 (There is probably a better place to do this, but right now the
3617 Cocoa side does this in s/darwin.h and we cannot parallel this
3618 exactly since GNUstep is multi-OS. */
3619 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3620 # define SYSTEM_PURESIZE_EXTRA 30000
3623 #ifdef emacs /* Don't do this for lib-src. */
3624 /* Tell regex.c to use a type compatible with Emacs. */
3625 #define RE_TRANSLATE_TYPE Lisp_Object
3626 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3628 /* If make_number is a macro, use it. */
3629 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3631 /* If make_number is a function, avoid it. */
3632 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3636 /* These default definitions are good for almost all machines.
3637 Any exceptions should override them in m/MACHINE.h.
3638 They must be usable in preprocessor conditionals. */
3640 #ifndef BITS_PER_CHAR
3641 #define BITS_PER_CHAR 8
3644 #ifndef BITS_PER_SHORT
3645 #define BITS_PER_SHORT 16
3648 #ifndef BITS_PER_INT
3649 #define BITS_PER_INT 32
3652 #ifndef BITS_PER_LONG
3654 #define BITS_PER_LONG 64
3656 #define BITS_PER_LONG 32
3660 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3661 #define BITS_PER_LONG_LONG 64
3664 /* Define if the compiler supports function prototypes. It may do so but
3665 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3671 #if defined __GNUC__ && (__GNUC__ > 2 \
3672 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3673 #define NO_RETURN __attribute__ ((__noreturn__))
3675 #define NO_RETURN /* nothing */
3678 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3679 #define NO_INLINE __attribute__((noinline))
3684 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3685 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3687 #define EXTERNALLY_VISIBLE
3690 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3691 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3693 # define ATTRIBUTE_FORMAT(spec) /* empty */
3696 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3697 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3698 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3700 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3701 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3704 /* Some versions of GNU/Linux define noinline in their headers. */
3709 /* These won't be used automatically yet. We also need to know, at least,
3710 that the stack is continuous. */
3712 # ifndef GC_SETJMP_WORKS
3713 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3714 # define GC_SETJMP_WORKS 1
3718 #endif /* EMACS_CONFIG_H */
3727 #### Report on what we decided to do.
3728 #### Report GTK as a toolkit, even if it doesn't use Xt.
3729 #### It makes printing result more understandable as using GTK sets
3730 #### toolkit_scroll_bars to yes by default.
3731 if test "${HAVE_GTK}" = "yes"; then
3736 if test -n "$machfile"; then
3737 and_machfile=" and \`${machfile}'"
3741 Configured for \`${canonical}'.
3743 Where should the build process find the source code? ${srcdir}
3744 What operating system and machine description files should Emacs use?
3745 \`${opsysfile}'${and_machfile}
3746 What compiler should emacs be built with? ${CC} ${CFLAGS}
3747 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3748 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3749 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3750 What window system should Emacs use? ${window_system}
3751 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3753 if test -n "${x_includes}"; then
3754 echo " Where do we find X Windows header files? ${x_includes}"
3756 echo " Where do we find X Windows header files? Standard dirs"
3758 if test -n "${x_libraries}"; then
3759 echo " Where do we find X Windows libraries? ${x_libraries}"
3761 echo " Where do we find X Windows libraries? Standard dirs"
3764 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3765 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3766 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3767 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3768 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3769 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3770 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3771 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3773 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3774 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3775 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3776 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3777 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3778 echo " Does Emacs use -lgnutls (2.6.x or higher)? ${HAVE_GNUTLS}"
3779 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3781 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3782 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3783 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3784 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3786 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3788 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
3789 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
3790 echo " Does xwidgets support clutter(demo code)? ${HAVE_CLUTTER}"
3791 echo " Does xwidgets support goocanvas(demo code)? ${HAVE_GOOCANVAS}"
3794 if test $USE_XASSERTS = yes; then
3795 echo " Compiling with asserts turned on."
3796 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3801 if test "$HAVE_NS" = "yes"; then
3803 echo "You must run \"make install\" in order to test the built application.
3804 The installed application will go to nextstep/Emacs.app and can be
3805 run or moved from there."
3806 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3807 echo "The application will be fully self-contained."
3809 echo "The lisp resources for the application will be installed under ${prefix}.
3810 You may need to run \"make install\" with sudo. The application will fail
3811 to run if these resources are not installed."
3817 # Remove any trailing slashes in these variables.
3818 [test "${prefix}" != NONE &&
3819 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3820 test "${exec_prefix}" != NONE &&
3821 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3823 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3824 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3825 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3826 dnl (else you get "no `Makefile.am' found for any configure output").
3827 dnl This will work, but you get a config.status that is not quite right
3828 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3829 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3830 dnl it seems better to just live with the duplication.
3831 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"
3833 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3834 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3835 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3838 dnl test/ is not present in release tarfiles.
3839 opt_makefile=test/automated/Makefile
3841 if test -f $srcdir/${opt_makefile}.in; then
3842 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3843 dnl Again, it's best not to use a variable. Though you can add
3844 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3845 AC_CONFIG_FILES([test/automated/Makefile])
3848 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3850 AC_SUBST(SUBDIR_MAKEFILES_IN)
3852 dnl Make the necessary directories, if they don't exist.
3853 AC_CONFIG_COMMANDS([mkdirs], [
3854 for dir in etc lisp ; do
3855 test -d ${dir} || mkdir ${dir}
3859 dnl You might wonder (I did) why epaths.h is generated by running make,
3860 dnl rather than just letting configure generate it from epaths.in.
3861 dnl One reason is that the various paths are not fully expanded (see above);
3862 dnl eg gamedir=${prefix}/var/games/emacs.
3863 dnl Secondly, the GNU Coding standards require that one should be able
3864 dnl to run `make prefix=/some/where/else' and override the values set
3865 dnl by configure. This also explains the `move-if-change' test and
3866 dnl the use of force in the `epaths-force' rule in Makefile.in.
3867 AC_CONFIG_COMMANDS([epaths], [
3868 echo creating src/epaths.h
3869 ${MAKE-make} epaths-force
3870 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3872 AC_CONFIG_COMMANDS([gdbinit], [
3873 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3874 echo creating src/.gdbinit
3875 echo source $srcdir/src/.gdbinit > src/.gdbinit
3881 dnl configure.in ends here