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, 24.0.91)
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
1320 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1321 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1322 struct ifreq.ifr_addr,
1323 struct ifreq.ifr_addr.sa_len], , ,
1324 [AC_INCLUDES_DEFAULT
1325 #if HAVE_SYS_SOCKET_H
1326 #include <sys/socket.h>
1332 dnl checks for compiler characteristics
1334 dnl Testing __STDC__ to determine prototype support isn't good enough.
1335 dnl DEC C, for instance, doesn't define it with default options, and
1336 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1341 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1342 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1343 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1344 if test $emacs_cv_void_star = yes; then
1345 AC_DEFINE(POINTER_TYPE, void)
1347 AC_DEFINE(POINTER_TYPE, char)
1349 AH_TEMPLATE(POINTER_TYPE,
1350 [Define as `void' if your compiler accepts `void *'; otherwise
1351 define as `char'.])dnl
1353 dnl Check for endianness.
1356 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1357 [emacs_cv_attribute_aligned],
1360 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1362 [emacs_cv_attribute_aligned=yes],
1363 [emacs_cv_attribute_aligned=no])])
1364 if test $emacs_cv_attribute_aligned = yes; then
1365 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1366 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1369 dnl check for Make feature
1375 dnl check for GNU Make if we have GCC and autodepend is on.
1376 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1377 AC_MSG_CHECKING([whether we are using GNU Make])
1379 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1380 if test "x$testval" != x; then
1383 ac_enable_autodepend=no
1385 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1386 if test $HAVE_GNU_MAKE = yes; then
1387 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1388 SAVE_CFLAGS="$CFLAGS"
1389 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1390 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1391 CFLAGS="$SAVE_CFLAGS"
1392 test -f deps.d || ac_enable_autodepend=no
1394 AC_MSG_RESULT([$ac_enable_autodepend])
1396 if test $ac_enable_autodepend = yes; then
1397 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1398 ## In parallel builds, another make might create depdir between
1399 ## the first test and mkdir, so stick another test on the end.
1400 ## Or use install-sh -d? mkdir -p is not portable.
1401 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1402 deps_frag=autodeps.mk
1405 deps_frag=$srcdir/src/$deps_frag
1408 AC_SUBST_FILE(deps_frag)
1411 lisp_frag=$srcdir/src/lisp.mk
1412 AC_SUBST_FILE(lisp_frag)
1415 dnl checks for operating system services
1416 AC_SYS_LONG_FILE_NAMES
1418 #### Choose a window system.
1421 if test "$no_x" = yes; then
1427 ## Workaround for bug in autoconf <= 2.62.
1428 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1429 ## No need to do anything special for these standard directories.
1430 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1432 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1436 LD_SWITCH_X_SITE_AUX=
1437 LD_SWITCH_X_SITE_AUX_RPATH=
1438 if test "${x_libraries}" != NONE; then
1439 if test -n "${x_libraries}"; then
1440 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1441 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1442 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1444 x_default_search_path=""
1445 x_search_path=${x_libraries}
1446 if test -z "${x_search_path}"; then
1447 x_search_path=/usr/lib
1449 for x_library in `echo ${x_search_path}: | \
1450 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1452 ${x_library}/X11/%L/%T/%N%C%S:\
1453 ${x_library}/X11/%l/%T/%N%C%S:\
1454 ${x_library}/X11/%T/%N%C%S:\
1455 ${x_library}/X11/%L/%T/%N%S:\
1456 ${x_library}/X11/%l/%T/%N%S:\
1457 ${x_library}/X11/%T/%N%S"
1458 if test x"${x_default_search_path}" = x; then
1459 x_default_search_path=${x_search_path}
1461 x_default_search_path="${x_search_path}:${x_default_search_path}"
1465 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1466 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1468 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1469 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1472 if test x"${x_includes}" = x; then
1473 bitmapdir=/usr/include/X11/bitmaps
1475 # accumulate include directories that have X11 bitmap subdirectories
1477 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1478 if test -d "${bmd}/X11/bitmaps"; then
1479 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1481 if test -d "${bmd}/bitmaps"; then
1482 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1485 if test ${bmd_acc} != "dummyval"; then
1486 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1493 tmp_CPPFLAGS="$CPPFLAGS"
1494 tmp_CFLAGS="$CFLAGS"
1495 CPPFLAGS="$CPPFLAGS -x objective-c"
1496 CFLAGS="$CFLAGS -x objective-c"
1497 TEMACS_LDFLAGS2="\${LDFLAGS}"
1499 dnl I don't think it's especially important, but src/Makefile.in
1500 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1501 dnl trailing "/" to it, so now we do it here.
1502 if test "${with_ns}" != no; then
1503 if test "${opsys}" = darwin; then
1505 ns_appdir=`pwd`/nextstep/Emacs.app
1506 ns_appbindir=${ns_appdir}/Contents/MacOS/
1507 ns_appresdir=${ns_appdir}/Contents/Resources
1508 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1509 elif test -f $GNUSTEP_CONFIG_FILE; then
1511 ns_appdir=`pwd`/nextstep/Emacs.app
1512 ns_appbindir=${ns_appdir}/
1513 ns_appresdir=${ns_appdir}/Resources
1514 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1515 dnl FIXME sourcing this several times in subshells seems inefficient.
1516 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1517 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1518 dnl I seemed to need these as well with GNUstep-startup 0.25.
1519 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1520 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1521 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1522 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1523 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1524 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1525 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1526 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1527 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1531 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1532 dnl If they had chosen to either define it or not, we could have
1533 dnl just used AC_CHECK_DECL here.
1534 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1535 emacs_cv_objc_exceptions,
1536 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1537 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1541 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1542 if test $emacs_cv_objc_exceptions = yes; then
1543 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1544 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1545 [Define if GNUstep uses ObjC exceptions.])
1546 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1550 dnl This is only used while we test the NS headers, it gets reset below.
1551 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1553 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1554 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1555 files are missing or cannot be compiled.])])
1556 NS_HAVE_NSINTEGER=yes
1557 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1559 ns_have_nsinteger=yes,
1560 ns_have_nsinteger=no)
1561 if test $ns_have_nsinteger = no; then
1562 NS_HAVE_NSINTEGER=no
1565 AC_SUBST(TEMACS_LDFLAGS2)
1570 if test "${HAVE_NS}" = yes; then
1571 window_system=nextstep
1573 # set up packaging dirs
1574 exec_prefix=${ns_appbindir}
1575 libexecdir=${ns_appbindir}/libexec
1576 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1577 prefix=${ns_appresdir}
1579 ns_frag=$srcdir/src/ns.mk
1580 NS_OBJ="fontset.o fringe.o image.o"
1581 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1583 CFLAGS="$tmp_CFLAGS"
1584 CPPFLAGS="$tmp_CPPFLAGS"
1586 AC_SUBST(NS_OBJC_OBJ)
1587 AC_SUBST(LIB_STANDARD)
1588 AC_SUBST_FILE(ns_frag)
1590 case "${window_system}" in
1594 case "${with_x_toolkit}" in
1595 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1596 motif ) USE_X_TOOLKIT=MOTIF ;;
1598 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1599 dnl USE_X_TOOLKIT is set.
1600 USE_X_TOOLKIT=none ;;
1601 gtk3 ) with_gtk3=yes
1602 USE_X_TOOLKIT=none ;;
1603 no ) USE_X_TOOLKIT=none ;;
1604 dnl If user did not say whether to use a toolkit, make this decision later:
1605 dnl use the toolkit if we have gtk, or X11R5 or newer.
1606 * ) USE_X_TOOLKIT=maybe ;;
1616 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1617 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1618 if test "$HAVE_XSERVER" = true ||
1619 test -n "$DISPLAY" ||
1620 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1621 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1622 were found. You should install the relevant development files for X
1623 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1624 sure you have development files for image handling, i.e.
1625 tiff, gif, jpeg, png and xpm.
1626 If you are sure you want Emacs compiled without X window support, pass
1632 ### If we're using X11, we should use the X menu package.
1635 yes ) HAVE_MENUS=yes ;;
1638 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1639 # Assume not, until told otherwise.
1642 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1643 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1644 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1645 emacs_cv_var___after_morecore_hook,
1646 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1647 emacs_cv_var___after_morecore_hook=yes,
1648 emacs_cv_var___after_morecore_hook=no)])
1649 if test $emacs_cv_var___after_morecore_hook = no; then
1654 dnl See comments in aix4-2.h about maybe using system malloc there.
1657 ## darwin ld insists on the use of malloc routines in the System framework.
1658 darwin|sol2-10) system_malloc=yes ;;
1661 if test "${system_malloc}" = "yes"; then
1662 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1665 (The GNU allocators don't work with this system configuration.)"
1669 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1670 VMLIMIT_OBJ=vm-limit.o
1672 AC_SUBST(GMALLOC_OBJ)
1673 AC_SUBST(VMLIMIT_OBJ)
1675 if test "$doug_lea_malloc" = "yes" ; then
1676 if test "$GNU_MALLOC" = yes ; then
1678 (Using Doug Lea's new malloc from the GNU C Library.)"
1680 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1681 [Define to 1 if you are using the GNU C Library.])
1683 ## Use mmap directly for allocating larger buffers.
1684 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1685 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1686 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1688 gnu*) REL_ALLOC=no ;;
1692 if test x"${REL_ALLOC}" = x; then
1693 REL_ALLOC=${GNU_MALLOC}
1696 use_mmap_for_buffers=no
1698 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1702 if test $use_mmap_for_buffers = yes; then
1703 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1707 LIBS="$LIBS_SYSTEM $LIBS"
1709 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1710 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1711 AC_CHECK_LIB(dnet, dnet_ntoa)
1712 dnl This causes -lresolv to get used in subsequent tests,
1713 dnl which causes failures on some systems such as HPUX 9.
1714 dnl AC_CHECK_LIB(resolv, gethostbyname)
1716 dnl FIXME replace main with a function we actually want from this library.
1717 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1719 dnl Check if pthreads is available.
1721 AC_CHECK_HEADERS(pthread.h)
1722 if test "$ac_cv_header_pthread_h"; then
1723 AC_CHECK_LIB(pthread, pthread_self, HAVE_PTHREAD=yes)
1725 if test "$HAVE_PTHREAD" = yes; then
1726 case "${canonical}" in
1728 *) LIB_PTHREAD="-lpthread"
1729 LIBS="$LIB_PTHREAD $LIBS" ;;
1731 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1733 AC_SUBST([LIB_PTHREAD])
1735 AC_CHECK_LIB(pthreads, cma_open)
1737 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1738 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1739 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1740 ## added to LIBS in configure would never contain the pthreads part,
1741 ## but the value used in Makefiles might. FIXME?
1743 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1744 ## be harmless on older versions of X where it happens to exist.
1745 test "$opsys" = "aix4-2" && \
1746 test $ac_cv_lib_pthreads_cma_open = yes && \
1747 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1749 dnl Check for need for bigtoc support on IBM AIX
1753 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1755 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1756 *) gdb_cv_bigtoc=-bbigtoc ;;
1759 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1760 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1765 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1766 # used for the tests that follow. We set them back to REAL_CFLAGS and
1767 # REAL_CPPFLAGS later on.
1769 REAL_CFLAGS="$CFLAGS"
1770 REAL_CPPFLAGS="$CPPFLAGS"
1772 if test "${HAVE_X11}" = "yes"; then
1773 DEFS="$C_SWITCH_X_SITE $DEFS"
1774 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1776 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1777 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1779 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1780 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1781 # but it's more convenient here to set LD_RUN_PATH
1782 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1783 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1784 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1788 if test "${opsys}" = "gnu-linux"; then
1789 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1790 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1791 [[XOpenDisplay ("foo");]])],
1792 [xgnu_linux_first_failure=no],
1793 [xgnu_linux_first_failure=yes])
1794 if test "${xgnu_linux_first_failure}" = "yes"; then
1795 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1796 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1797 OLD_CPPFLAGS="$CPPFLAGS"
1799 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1800 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1801 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1802 LIBS="$LIBS -b i486-linuxaout"
1803 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1804 [[XOpenDisplay ("foo");]])],
1805 [xgnu_linux_second_failure=no],
1806 [xgnu_linux_second_failure=yes])
1807 if test "${xgnu_linux_second_failure}" = "yes"; then
1808 # If we get the same failure with -b, there is no use adding -b.
1809 # So take it out. This plays safe.
1810 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1811 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1812 CPPFLAGS="$OLD_CPPFLAGS"
1823 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1824 # header files included from there.
1825 AC_MSG_CHECKING(for Xkb)
1826 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1827 #include <X11/XKBlib.h>]],
1828 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1829 emacs_xkb=yes, emacs_xkb=no)
1830 AC_MSG_RESULT($emacs_xkb)
1831 if test $emacs_xkb = yes; then
1832 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1835 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1836 XScreenNumberOfScreen XSetWMProtocols)
1839 if test "${window_system}" = "x11"; then
1840 AC_MSG_CHECKING(X11 version 6)
1841 AC_CACHE_VAL(emacs_cv_x11_version_6,
1842 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1843 [[#if XlibSpecificationRelease < 6
1846 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1847 if test $emacs_cv_x11_version_6 = yes; then
1848 AC_MSG_RESULT(6 or newer)
1849 AC_DEFINE(HAVE_X11R6, 1,
1850 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1851 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1852 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1856 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1857 [Define if you have usable X11R6-style XIM support.])
1861 AC_MSG_RESULT(before 6)
1866 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1868 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1869 if test "${with_rsvg}" != "no"; then
1870 RSVG_REQUIRED=2.11.0
1871 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1873 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1874 AC_SUBST(RSVG_CFLAGS)
1877 if test $HAVE_RSVG = yes; then
1878 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1879 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1880 LIBS="$RSVG_LIBS $LIBS"
1886 if test "${HAVE_X11}" = "yes"; then
1887 if test "${with_imagemagick}" != "no"; then
1888 ## 6.2.8 is the earliest version known to work, but earlier versions
1889 ## might work - let us know if you find one.
1890 ## 6.0.7 does not work. See bug#7955.
1891 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1892 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1893 AC_SUBST(IMAGEMAGICK_CFLAGS)
1894 AC_SUBST(IMAGEMAGICK_LIBS)
1896 if test $HAVE_IMAGEMAGICK = yes; then
1897 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1898 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1899 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1900 AC_CHECK_FUNCS(MagickExportImagePixels)
1908 if test "${with_gtk3}" = "yes"; then
1911 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1913 dnl Checks for libraries.
1914 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1915 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1916 AC_MSG_ERROR($GTK_PKG_ERRORS)
1918 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1919 GTK_OBJ=emacsgtkfixed.o
1922 if test "$pkg_check_gtk" != "yes"; then
1924 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1927 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1929 dnl Checks for libraries.
1930 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1931 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1932 AC_MSG_ERROR($GTK_PKG_ERRORS)
1937 if test x"$pkg_check_gtk" = xyes; then
1939 AC_SUBST(GTK_CFLAGS)
1941 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1942 CFLAGS="$CFLAGS $GTK_CFLAGS"
1943 LIBS="$GTK_LIBS $LIBS"
1944 dnl Try to compile a simple GTK program.
1946 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1947 if test "${GTK_COMPILES}" != "yes"; then
1948 if test "$USE_X_TOOLKIT" != "maybe"; then
1949 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1953 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1954 GTK_OBJ="gtkutil.o $GTK_OBJ"
1956 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1959 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1960 closing open displays. This is no problem if you just use
1961 one display, but if you use more than one and close one of them
1971 if test "${HAVE_GTK}" = "yes"; then
1973 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1974 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1975 if test "$with_toolkit_scroll_bars" != no; then
1976 with_toolkit_scroll_bars=yes
1979 dnl Check if we have the old file selection dialog declared and
1980 dnl in the link library. In 2.x it may be in the library,
1981 dnl but not declared if deprecated featured has been selected out.
1982 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1983 HAVE_GTK_FILE_SELECTION=no
1984 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1985 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1986 #include <gtk/gtk.h>])
1987 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1988 AC_CHECK_FUNCS(gtk_file_selection_new)
1992 dnl Check for functions introduced in 2.14 and later.
1993 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1994 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1995 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1996 gtk_orientable_set_orientation)
2005 if test "${with_xwidgets}" != "no"; then
2006 echo "xwidgets enabled, checking webkit, and others"
2008 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2011 # - enable only if gtk/gtk3 enabled
2012 # - webkit, goocanvas, clutter
2013 # - only webkit_osr is good so remove plain webkit laterish
2015 #webkit version for gtk3.
2016 WEBKIT_REQUIRED=1.4.0
2017 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2019 if test "${with_gtk3}" = "yes"; then
2020 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2021 if test $HAVE_WEBKIT = yes; then
2022 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2026 if test "${with_xwdemo}" = "yes"; then
2027 #clutter and goocanvas are just proof of concept so disable for now
2028 CLUTTER_REQUIRED=1.0.0
2029 CLUTTER_MODULES="clutter-gtk-1.0 >= $CLUTTER_REQUIRED"
2031 PKG_CHECK_MODULES(CLUTTER, $CLUTTER_MODULES, HAVE_CLUTTER=yes, HAVE_CLUTTER=no)
2032 if test $HAVE_CLUTTER = yes; then
2033 AC_DEFINE(HAVE_CLUTTER, 1, [Define to 1 if you have clutter support.])
2037 GOOCANVAS_REQUIRED=1.4.0
2038 GOOCANVAS_MODULES="goocanvasgtk-3.0 >= $GOOCANVAS_REQUIRED"
2040 PKG_CHECK_MODULES(GOOCANVAS, $GOOCANVAS_MODULES, HAVE_GOOCANVAS=yes, HAVE_GOOCANVAS=no)
2041 if test $HAVE_GOOCANVAS = yes; then
2042 AC_DEFINE(HAVE_GOOCANVAS, 1, [Define to 1 if you have goocanvas support.])
2048 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2049 dnl other platforms. Support for higher D-Bus versions than 1.0 is
2050 dnl also not configured.
2053 if test "${with_dbus}" = "yes"; then
2054 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2055 if test "$HAVE_DBUS" = yes; then
2056 LIBS="$LIBS $DBUS_LIBS"
2057 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2058 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
2064 dnl GSettings has been tested under GNU/Linux only.
2066 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2067 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2068 if test "$HAVE_GSETTINGS" = "yes"; then
2069 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2070 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2071 SETTINGS_LIBS="$GSETTINGS_LIBS"
2075 dnl GConf has been tested under GNU/Linux only.
2076 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2078 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2079 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2080 if test "$HAVE_GCONF" = yes; then
2081 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2082 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2083 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2084 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2088 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2089 SAVE_CFLAGS="$CFLAGS"
2090 SAVE_LDFLAGS="$LDFLAGS"
2091 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2092 LDFLAGS="$SETTINGS_LIBS $LDFLAGS"
2093 AC_CHECK_FUNCS([g_type_init])
2094 CFLAGS="$SAVE_CFLAGS"
2095 LDFLAGS="$SAVE_LDFLAGS"
2097 AC_SUBST(SETTINGS_CFLAGS)
2098 AC_SUBST(SETTINGS_LIBS)
2101 dnl SELinux is available for GNU/Linux only.
2104 if test "${with_selinux}" = "yes"; then
2105 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2106 if test "$HAVE_LIBSELINUX" = yes; then
2107 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2108 LIBSELINUX_LIBS=-lselinux
2111 AC_SUBST(LIBSELINUX_LIBS)
2114 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2115 if test "${with_gnutls}" = "yes" ; then
2116 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2117 if test "${HAVE_GNUTLS}" = "yes"; then
2118 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2121 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2122 LIBS="$LIBGNUTLS_LIBS $LIBS"
2123 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2125 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2126 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2130 AC_SUBST(LIBGNUTLS_LIBS)
2131 AC_SUBST(LIBGNUTLS_CFLAGS)
2133 dnl Do not put whitespace before the #include statements below.
2134 dnl Older compilers (eg sunos4 cc) choke on it.
2137 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2138 if test "$with_xaw3d" != no; then
2139 AC_MSG_CHECKING(for xaw3d)
2140 AC_CACHE_VAL(emacs_cv_xaw3d,
2141 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2142 #include <X11/Intrinsic.h>
2143 #include <X11/Xaw3d/Simple.h>]],
2145 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2146 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2147 emacs_cv_xaw3d=no)])
2151 if test $emacs_cv_xaw3d = yes; then
2152 AC_MSG_RESULT([yes; using Lucid toolkit])
2156 AC_DEFINE(HAVE_XAW3D, 1,
2157 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2160 AC_MSG_CHECKING(for libXaw)
2161 AC_CACHE_VAL(emacs_cv_xaw,
2162 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2163 #include <X11/Intrinsic.h>
2164 #include <X11/Xaw/Simple.h>]],
2168 if test $emacs_cv_xaw = yes; then
2169 AC_MSG_RESULT([yes; using Lucid toolkit])
2172 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2173 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2175 AC_MSG_ERROR([No X toolkit could be found.
2176 If you are sure you want Emacs compiled without an X toolkit, pass
2178 to configure. Otherwise, install the development libraries for the toolkit
2179 that you want to use (e.g. Gtk+) and re-run configure.])
2184 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2187 if test "${USE_X_TOOLKIT}" != "none"; then
2188 AC_MSG_CHECKING(X11 toolkit version)
2189 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2190 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2191 [[#if XtSpecificationRelease < 6
2194 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2195 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2196 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2197 AC_MSG_RESULT(6 or newer)
2198 AC_DEFINE(HAVE_X11XTR6, 1,
2199 [Define to 1 if you have the X11R6 or newer version of Xt.])
2200 LIBXTR6="-lSM -lICE"
2202 ## Use libw.a along with X11R6 Xt.
2203 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2206 AC_MSG_RESULT(before 6)
2209 dnl If using toolkit, check whether libXmu.a exists.
2210 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2212 if test x$HAVE_X11XTR6 = xyes; then
2213 LIBS="-lXt -lSM -lICE $LIBS"
2217 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2218 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2222 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2223 dnl Why not just test for libxmu in the normal way?
2226 ## These systems don't supply Xmu.
2228 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2233 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2234 if test "${HAVE_X11}" = "yes"; then
2235 if test "${USE_X_TOOLKIT}" != "none"; then
2236 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2241 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2242 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2243 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2244 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2247 Motif version prior to 2.1.
2249 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2250 if test $emacs_cv_motif_version_2_1 = yes; then
2251 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2253 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2254 # We put this in CFLAGS temporarily to precede other -I options
2255 # that might be in CFLAGS temporarily.
2256 # We put this in CPPFLAGS where it precedes the other -I options.
2257 OLD_CPPFLAGS=$CPPFLAGS
2259 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2260 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2261 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2263 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2264 if test $emacs_cv_lesstif = yes; then
2265 # Make sure this -I option remains in CPPFLAGS after it is set
2266 # back to REAL_CPPFLAGS.
2267 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2268 # have those other -I options anyway. Ultimately, having this
2269 # directory ultimately in CPPFLAGS will be enough.
2270 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2271 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2274 CPPFLAGS=$OLD_CPPFLAGS
2279 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2280 dnl using Motif or Xaw3d is available, and unless
2281 dnl --with-toolkit-scroll-bars=no was specified.
2283 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2284 [Define to 1 if we should use toolkit scroll bars.])dnl
2285 USE_TOOLKIT_SCROLL_BARS=no
2286 if test "${with_toolkit_scroll_bars}" != "no"; then
2287 if test "${USE_X_TOOLKIT}" != "none"; then
2288 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2289 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2291 USE_TOOLKIT_SCROLL_BARS=yes
2292 elif test "${HAVE_XAW3D}" = "yes"; then
2293 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2294 USE_TOOLKIT_SCROLL_BARS=yes
2296 elif test "${HAVE_GTK}" = "yes"; then
2297 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2298 USE_TOOLKIT_SCROLL_BARS=yes
2299 elif test "${HAVE_NS}" = "yes"; then
2300 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2301 USE_TOOLKIT_SCROLL_BARS=yes
2305 dnl See if XIM is available.
2306 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2307 #include <X11/Xlib.h>
2308 #include <X11/Xresource.h>]],
2309 [[XIMProc callback;]])],
2311 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2314 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2316 if test "${with_xim}" != "no"; then
2317 AC_DEFINE(USE_XIM, 1,
2318 [Define to 1 if we should use XIM, if it is available.])
2322 if test "${HAVE_XIM}" != "no"; then
2324 if test "$GCC" = yes; then
2325 CFLAGS="$CFLAGS --pedantic-errors"
2327 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2328 #include <X11/Xlib.h>
2329 #include <X11/Xresource.h>]],
2335 XPointer *client_data;
2337 /* If we're not using GCC, it's probably not XFree86, and this is
2338 probably right, but we can't use something like --pedantic-errors. */
2339 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2340 char*, XIMProc, XPointer*);
2342 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2344 [emacs_cv_arg6_star=yes])
2345 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2346 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2347 either XPointer or XPointer*.])dnl
2348 if test "$emacs_cv_arg6_star" = yes; then
2349 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2351 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2356 ### Start of font-backend (under any platform) section.
2357 # (nothing here yet -- this is a placeholder)
2358 ### End of font-backend (under any platform) section.
2360 ### Start of font-backend (under X11) section.
2361 if test "${HAVE_X11}" = "yes"; then
2362 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2364 ## Use -lXft if available, unless `--with-xft=no'.
2366 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2369 if test "x${with_xft}" != "xno"; then
2371 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2372 ## Because xftfont.c uses XRenderQueryExtension, we also
2373 ## need to link to -lXrender.
2375 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2376 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2377 OLD_CPPFLAGS="$CPPFLAGS"
2378 OLD_CFLAGS="$CFLAGS"
2380 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2381 CFLAGS="$CFLAGS $XFT_CFLAGS"
2382 XFT_LIBS="-lXrender $XFT_LIBS"
2383 LIBS="$XFT_LIBS $LIBS"
2384 AC_CHECK_HEADER(X11/Xft/Xft.h,
2385 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2387 if test "${HAVE_XFT}" = "yes"; then
2388 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2390 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2392 CPPFLAGS="$OLD_CPPFLAGS"
2393 CFLAGS="$OLD_CFLAGS"
2395 fi # "${HAVE_XFT}" = "yes"
2396 fi # "$HAVE_XFT" != no
2397 fi # "x${with_xft}" != "xno"
2399 ## We used to allow building with FreeType and without Xft.
2400 ## However, the ftx font backend driver is not in good shape.
2401 if test "$HAVE_XFT" != "yes"; then
2402 dnl For the "Does Emacs use" message at the end.
2406 dnl Strict linkers fail with
2407 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2408 dnl if -lfreetype is not specified.
2409 dnl The following is needed to set FREETYPE_LIBS.
2410 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2413 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2417 if test "${HAVE_FREETYPE}" = "yes"; then
2418 AC_DEFINE(HAVE_FREETYPE, 1,
2419 [Define to 1 if using the freetype and fontconfig libraries.])
2420 if test "${with_libotf}" != "no"; then
2421 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2423 if test "$HAVE_LIBOTF" = "yes"; then
2424 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2425 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2426 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2427 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2428 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2429 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2430 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2434 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2435 dnl Does the new font backend require it, or can it work without it?
2439 if test "${HAVE_LIBOTF}" = yes; then
2440 if test "${with_m17n_flt}" != "no"; then
2441 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2442 if test "$HAVE_M17N_FLT" = "yes"; then
2443 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2454 ### End of font-backend (under X11) section.
2456 AC_SUBST(FREETYPE_CFLAGS)
2457 AC_SUBST(FREETYPE_LIBS)
2458 AC_SUBST(FONTCONFIG_CFLAGS)
2459 AC_SUBST(FONTCONFIG_LIBS)
2460 AC_SUBST(LIBOTF_CFLAGS)
2461 AC_SUBST(LIBOTF_LIBS)
2462 AC_SUBST(M17N_FLT_CFLAGS)
2463 AC_SUBST(M17N_FLT_LIBS)
2465 ### Use -lXpm if available, unless `--with-xpm=no'.
2468 if test "${HAVE_X11}" = "yes"; then
2469 if test "${with_xpm}" != "no"; then
2470 AC_CHECK_HEADER(X11/xpm.h,
2471 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2472 if test "${HAVE_XPM}" = "yes"; then
2473 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2474 AC_EGREP_CPP(no_return_alloc_pixels,
2475 [#include "X11/xpm.h"
2476 #ifndef XpmReturnAllocPixels
2477 no_return_alloc_pixels
2479 ], HAVE_XPM=no, HAVE_XPM=yes)
2481 if test "${HAVE_XPM}" = "yes"; then
2489 if test "${HAVE_XPM}" = "yes"; then
2490 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2496 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2499 if test "${HAVE_X11}" = "yes"; then
2500 if test "${with_jpeg}" != "no"; then
2501 dnl Checking for jpeglib.h can lose because of a redefinition of
2503 AC_CHECK_HEADER(jerror.h,
2504 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2507 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2508 if test "${HAVE_JPEG}" = "yes"; then
2509 AC_DEFINE(HAVE_JPEG)
2510 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2511 [#include <jpeglib.h>
2512 version=JPEG_LIB_VERSION
2514 [AC_DEFINE(HAVE_JPEG)],
2515 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2518 if test "${HAVE_JPEG}" = "yes"; then
2524 ### Use -lpng if available, unless `--with-png=no'.
2527 if test "${HAVE_X11}" = "yes"; then
2528 if test "${with_png}" != "no"; then
2529 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2530 # in /usr/include/libpng.
2531 AC_CHECK_HEADERS(png.h libpng/png.h)
2532 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2533 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2537 if test "${HAVE_PNG}" = "yes"; then
2538 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2539 LIBPNG="-lpng -lz -lm"
2544 ### Use -ltiff if available, unless `--with-tiff=no'.
2547 if test "${HAVE_X11}" = "yes"; then
2548 if test "${with_tiff}" != "no"; then
2549 AC_CHECK_HEADER(tiffio.h,
2551 # At least one tiff package requires the jpeg library.
2552 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2553 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2556 if test "${HAVE_TIFF}" = "yes"; then
2557 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2558 dnl FIXME -lz -lm, as per libpng?
2564 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2567 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2568 AC_CHECK_HEADER(gif_lib.h,
2569 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2570 # Earlier versions can crash Emacs.
2571 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2573 if test "$HAVE_GIF" = yes; then
2575 elif test "$HAVE_GIF" = maybe; then
2576 # If gif_lib.h but no libgif, try libungif.
2577 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2578 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2581 if test "${HAVE_GIF}" = "yes"; then
2582 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2587 dnl Check for required libraries.
2588 if test "${HAVE_X11}" = "yes"; then
2591 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2592 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2593 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2594 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2595 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2596 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2597 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2598 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2599 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2600 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2602 if test "X${MISSING}" != X; then
2603 AC_MSG_ERROR([The following required libraries were not found:
2605 Maybe some development libraries/packages are missing?
2606 If you don't want to link with them give
2608 as options to configure])
2612 ### Use -lgpm if available, unless `--with-gpm=no'.
2615 if test "${with_gpm}" != "no"; then
2616 AC_CHECK_HEADER(gpm.h,
2617 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2619 if test "${HAVE_GPM}" = "yes"; then
2620 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2626 dnl Check for malloc/malloc.h on darwin
2627 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.])])
2630 ### Use NeXTstep API to implement GUI.
2631 if test "${HAVE_NS}" = "yes"; then
2632 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2633 if test "${NS_IMPL_COCOA}" = "yes"; then
2634 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2636 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2637 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2638 # See also .m.o rule in Makefile.in */
2639 # FIXME: are all these flags really needed? Document here why. */
2640 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2641 ## Extra CFLAGS applied to src/*.m files.
2642 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2644 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2645 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2647 # We also have mouse menus.
2653 ### Use session management (-lSM -lICE) if available
2656 if test "${HAVE_X11}" = "yes"; then
2657 AC_CHECK_HEADER(X11/SM/SMlib.h,
2658 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2660 if test "${HAVE_X_SM}" = "yes"; then
2661 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2665 *) LIBS="$LIBXSM $LIBS" ;;
2671 ### Use libxml (-lxml2) if available
2673 if test "${with_xml2}" != "no"; then
2674 ### I'm not sure what the version number should be, so I just guessed.
2675 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2676 if test "${HAVE_LIBXML2}" = "yes"; then
2677 LIBS="$LIBXML2_LIBS $LIBS"
2678 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2679 if test "${HAVE_LIBXML2}" = "yes"; then
2680 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2687 AC_SUBST(LIBXML2_LIBS)
2688 AC_SUBST(LIBXML2_CFLAGS)
2690 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2691 AC_CACHE_CHECK(whether netdb declares h_errno,
2692 emacs_cv_netdb_declares_h_errno,
2693 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2694 [[return h_errno;]])],
2695 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2696 if test $emacs_cv_netdb_declares_h_errno = yes; then
2697 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2700 # fmod, logb, and frexp are found in -lm on most systems.
2701 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2702 AC_CHECK_LIB(m, sqrt)
2704 # Check for mail-locking functions in a "mail" library. Probably this should
2705 # have the same check as for liblockfile below.
2706 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2707 if test $have_mail = yes; then
2709 LIBS="$LIBS_MAIL $LIBS"
2710 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2714 dnl Debian, at least:
2715 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2716 if test $have_lockfile = yes; then
2717 LIBS_MAIL=-llockfile
2718 LIBS="$LIBS_MAIL $LIBS"
2719 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2721 # If we have the shared liblockfile, assume we must use it for mail
2722 # locking (e.g. Debian). If we couldn't link against liblockfile
2723 # (no liblockfile.a installed), ensure that we don't need to.
2724 dnl This works for files generally, not just executables.
2725 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2726 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2727 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2728 if test $ac_cv_prog_liblockfile = yes; then
2729 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2730 This probably means that movemail could lose mail.
2731 There may be a `development' package to install containing liblockfile.])
2734 AC_CHECK_FUNCS(touchlock)
2735 AC_CHECK_HEADERS(maillock.h)
2738 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2739 ## interlock access to the mail spool. The alternative is a lock file named
2740 ## /usr/spool/mail/$USER.lock.
2743 aix4-2) mail_lock="lockf" ;;
2745 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2747 ## On GNU/Linux systems, both methods are used by various mail programs.
2748 ## I assume most people are using newer mailers that have heard of flock.
2749 ## Change this if you need to.
2750 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2751 ## configure gets the right answers, and that means *NOT* using flock.
2752 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2753 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2754 ## Debian maintainer hasn't provided a clean fix for Emacs.
2755 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2756 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2757 ## correct logic. -- fx
2758 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2759 ## liblockfile is a Free Software replacement for libmail, used on
2760 ## Debian systems and elsewhere. -rfr.
2763 if test $have_mail = yes || test $have_lockfile = yes; then
2764 test $ac_cv_header_maillock_h = yes && mail_lock=no
2770 case "$mail_lock" in
2771 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2773 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2775 *) BLESSMAIL_TARGET="need-blessmail" ;;
2777 AC_SUBST(BLESSMAIL_TARGET)
2780 AC_CHECK_FUNCS(gethostname getdomainname \
2781 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2782 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2783 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2784 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2785 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2786 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2787 gai_strerror mkstemp getline getdelim mremap fsync sync \
2788 difftime mempcpy mblen mbrlen posix_memalign \
2789 cfmakeraw cfsetspeed copysign __executable_start)
2791 dnl Cannot use AC_CHECK_FUNCS
2792 AC_CACHE_CHECK([for __builtin_unwind_init],
2793 emacs_cv_func___builtin_unwind_init,
2794 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2795 emacs_cv_func___builtin_unwind_init=yes,
2796 emacs_cv_func___builtin_unwind_init=no)])
2797 if test $emacs_cv_func___builtin_unwind_init = yes; then
2798 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2799 [Define to 1 if you have the `__builtin_unwind_init' function.])
2802 AC_CHECK_HEADERS(sys/un.h)
2809 AC_CHECK_FUNCS(grantpt)
2811 # PTY-related GNU extensions.
2812 AC_CHECK_FUNCS(getpt)
2814 # Check this now, so that we will NOT find the above functions in ncurses.
2815 # That is because we have not set up to link ncurses in lib-src.
2816 # It's better to believe a function is not available
2817 # than to expect to find it in ncurses.
2818 # Also we need tputs and friends to be able to build at all.
2819 have_tputs_et_al=true
2820 # Maybe curses should be tried earlier?
2821 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2822 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap curses], , have_tputs_et_al=false)
2823 if test "$have_tputs_et_al" != true; then
2824 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2825 These libraries were tried: libncurses, libterminfo, libtermcap, libcurses.
2826 Please try installing whichever of these libraries is most appropriate
2827 for your system, together with its header files.
2828 For example, a libncurses-dev(el) or similar package.])
2830 # Must define this when any termcap library is found.
2831 AC_DEFINE(HAVE_LIBNCURSES, 1,
2832 [Define to 1 if you have the `ncurses' library (-lncurses).])
2833 ## FIXME This was the cpp logic, but I am not sure it is right.
2834 ## The above test has not necessarily found libncurses.
2837 ## Use terminfo instead of termcap?
2838 ## Note only system files NOT using terminfo are:
2839 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2840 ## darwin|gnu without ncurses.
2844 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2845 ## hpux10-20: Use the system provided termcap(3) library.
2846 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2847 ## is necessary. Otherwise Emacs dumps core when run -nw.
2848 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2850 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2851 ## The ncurses library has been moved out of the System framework in
2852 ## Mac OS X 10.2. So if configure detects it, set the command-line
2853 ## option to use it.
2855 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2856 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2858 LIBS_TERMCAP="-lncurses"
2863 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2864 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2865 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2866 [[#if __FreeBSD_version < 400000
2869 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2871 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2873 if test $emacs_cv_freebsd_terminfo = yes; then
2875 LIBS_TERMCAP="-lncurses"
2877 LIBS_TERMCAP="-ltermcap"
2882 if test $ac_cv_search_tputs = -lterminfo; then
2884 LIBS_TERMCAP="-lterminfo"
2886 LIBS_TERMCAP="-ltermcap"
2893 ## hpux: Make sure we get select from libc rather than from libcurses
2894 ## because libcurses on HPUX 10.10 has a broken version of select.
2895 ## We used to use -lc -lcurses, but this may be cleaner.
2896 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2898 openbsd) LIBS_TERMCAP="-lncurses" ;;
2900 ## Must use system termcap, if we use any termcap. It does special things.
2901 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2904 TERMCAP_OBJ=tparam.o
2905 if test $TERMINFO = yes; then
2906 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2908 ## Default used to be -ltermcap. Add a case above if need something else.
2909 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2911 TERMCAP_OBJ=terminfo.o
2913 AC_SUBST(LIBS_TERMCAP)
2914 AC_SUBST(TERMCAP_OBJ)
2917 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2919 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2920 #include <arpa/nameser.h>
2921 #include <resolv.h>]],
2922 [[return res_init();]])],
2923 have_res_init=yes, have_res_init=no)
2924 if test "$have_res_init" = no; then
2926 LIBS="$LIBS -lresolv"
2927 AC_MSG_CHECKING(for res_init with -lresolv)
2928 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2929 #include <arpa/nameser.h>
2930 #include <resolv.h>]],
2931 [[return res_init();]])],
2932 have_res_init=yes, have_res_init=no)
2933 AC_MSG_RESULT($have_res_init)
2934 if test "$have_res_init" = yes ; then
2940 if test "$have_res_init" = yes; then
2941 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2944 # Do we need the Hesiod library to provide the support routines?
2946 if test "$with_hesiod" != no ; then
2947 # Don't set $LIBS here -- see comments above. FIXME which comments?
2948 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2949 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2950 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2951 if test "$resolv" = yes ; then
2956 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2957 hesiod=yes, :, $RESOLVLIB)])
2959 if test x"$hesiod" = xyes; then
2960 AC_DEFINE(HAVE_LIBHESIOD, 1,
2961 [Define to 1 if you have the hesiod library (-lhesiod).])
2967 # Do we need libresolv (due to res_init or Hesiod)?
2968 if test "$resolv" = yes ; then
2969 AC_DEFINE(HAVE_LIBRESOLV, 1,
2970 [Define to 1 if you have the resolv library (-lresolv).])
2977 # These tell us which Kerberos-related libraries to use.
2984 if test "${with_kerberos}" != no; then
2985 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2986 if test $have_com_err = yes; then
2987 COM_ERRLIB=-lcom_err
2988 LIBS="$COM_ERRLIB $LIBS"
2989 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2991 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2992 if test $have_crypto = yes; then
2994 LIBS="$CRYPTOLIB $LIBS"
2995 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2997 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2998 if test $have_k5crypto = yes; then
2999 CRYPTOLIB=-lk5crypto
3000 LIBS="$CRYPTOLIB $LIBS"
3001 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3003 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3004 if test $have_krb5=yes; then
3006 LIBS="$KRB5LIB $LIBS"
3007 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3009 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3010 if test "${with_kerberos5}" = no; then
3011 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3012 if test $have_des425 = yes; then
3014 LIBS="$DESLIB $LIBS"
3015 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3017 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3018 if test $have_des = yes; then
3020 LIBS="$DESLIB $LIBS"
3021 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3024 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3025 if test $have_krb4 = yes; then
3027 LIBS="$KRB4LIB $LIBS"
3028 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3030 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3031 if test $have_krb = yes; then
3033 LIBS="$KRB4LIB $LIBS"
3034 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3039 if test "${with_kerberos5}" != no; then
3040 AC_CHECK_HEADERS(krb5.h,
3041 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3042 [#include <krb5.h>])])
3044 AC_CHECK_HEADERS(des.h,,
3045 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3046 [AC_CHECK_HEADERS(kerberos/des.h)])])
3047 AC_CHECK_HEADERS(krb.h,,
3048 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3049 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3051 AC_CHECK_HEADERS(com_err.h)
3054 AC_SUBST(COM_ERRLIB)
3060 AC_MSG_CHECKING(whether localtime caches TZ)
3061 AC_CACHE_VAL(emacs_cv_localtime_cache,
3062 [if test x$ac_cv_func_tzset = xyes; then
3063 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3064 char TZ_GMT0[] = "TZ=GMT0";
3065 char TZ_PST8[] = "TZ=PST8";
3068 time_t now = time ((time_t *) 0);
3069 int hour_GMT0, hour_unset;
3070 if (putenv (TZ_GMT0) != 0)
3072 hour_GMT0 = localtime (&now)->tm_hour;
3074 hour_unset = localtime (&now)->tm_hour;
3075 if (putenv (TZ_PST8) != 0)
3077 if (localtime (&now)->tm_hour == hour_GMT0)
3080 if (localtime (&now)->tm_hour != hour_unset)
3083 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3084 [# If we have tzset, assume the worst when cross-compiling.
3085 emacs_cv_localtime_cache=yes])
3087 # If we lack tzset, report that localtime does not cache TZ,
3088 # since we can't invalidate the cache if we don't have tzset.
3089 emacs_cv_localtime_cache=no
3091 AC_MSG_RESULT($emacs_cv_localtime_cache)
3092 if test $emacs_cv_localtime_cache = yes; then
3093 AC_DEFINE(LOCALTIME_CACHE, 1,
3094 [Define to 1 if localtime caches TZ.])
3097 if test "x$HAVE_TIMEVAL" = xyes; then
3098 AC_CHECK_FUNCS(gettimeofday)
3099 if test $ac_cv_func_gettimeofday = yes; then
3100 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3101 emacs_cv_gettimeofday_two_arguments,
3102 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3103 #ifdef TIME_WITH_SYS_TIME
3104 #include <sys/time.h>
3107 #ifdef HAVE_SYS_TIME_H
3108 #include <sys/time.h>
3113 [[struct timeval time;
3114 gettimeofday (&time, 0);]])],
3115 emacs_cv_gettimeofday_two_arguments=yes,
3116 emacs_cv_gettimeofday_two_arguments=no)])
3117 if test $emacs_cv_gettimeofday_two_arguments = no; then
3118 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3119 [Define to 1 if gettimeofday accepts only one argument.])
3125 AC_CHECK_FUNC(socket, , ok_so_far=no)
3126 if test $ok_so_far = yes; then
3127 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3129 if test $ok_so_far = yes; then
3130 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3132 if test $ok_so_far = yes; then
3133 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3134 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3135 [Define to 1 if you have inet sockets.])
3138 if test -f /usr/lpp/X11/bin/smt.exp; then
3139 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3140 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3143 AC_MSG_CHECKING(whether system supports dynamic ptys)
3144 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3146 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3153 AC_CHECK_FUNCS(snprintf)
3155 dnl Adapted from Haible's version.
3156 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3157 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3158 [[char* cs = nl_langinfo(CODESET);]])],
3159 emacs_cv_langinfo_codeset=yes,
3160 emacs_cv_langinfo_codeset=no)
3162 if test $emacs_cv_langinfo_codeset = yes; then
3163 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3164 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3169 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3170 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3171 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3172 if test "$emacs_cv_c_restrict_arr" = yes; then
3173 AC_DEFINE(__restrict_arr, __restrict,
3174 [Define to compiler's equivalent of C99 restrict keyword in array
3175 declarations. Define as empty for no equivalent.])
3178 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3179 dnl how the tty code is related to POSIX and/or other versions of termios.
3180 dnl The following looks like a useful start.
3182 dnl AC_SYS_POSIX_TERMIOS
3183 dnl if test $ac_cv_sys_posix_termios = yes; then
3184 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3185 dnl and macros for terminal control.])
3186 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3189 # Set up the CFLAGS for real compilation, so we can substitute it.
3190 CFLAGS="$REAL_CFLAGS"
3191 CPPFLAGS="$REAL_CPPFLAGS"
3193 ## Hack to detect a buggy GCC version.
3194 if test "x$GCC" = xyes \
3195 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3196 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3197 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3198 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3201 version=$PACKAGE_VERSION
3203 ### Specify what sort of things we'll be editing into Makefile and config.h.
3204 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3206 AC_SUBST(configuration)
3211 AC_SUBST(exec_prefix)
3214 AC_SUBST(sharedstatedir)
3215 AC_SUBST(libexecdir)
3219 AC_SUBST(locallisppath)
3221 AC_SUBST(x_default_search_path)
3223 AC_SUBST(archlibdir)
3228 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3229 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3230 ## end of LIBX_BASE, but nothing ever set it.
3231 AC_SUBST(LD_SWITCH_X_SITE)
3232 AC_SUBST(C_SWITCH_X_SITE)
3233 AC_SUBST(C_SWITCH_X_SYSTEM)
3235 ## Used in lwlib/Makefile.in.
3236 AC_SUBST(X_TOOLKIT_TYPE)
3237 if test -n "${machfile}"; then
3238 M_FILE="\$(srcdir)/${machfile}"
3242 S_FILE="\$(srcdir)/${opsysfile}"
3246 AC_SUBST(ns_appbindir)
3247 AC_SUBST(ns_appresdir)
3249 AC_SUBST(GNU_OBJC_CFLAGS)
3250 AC_SUBST(OTHER_FILES)
3252 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3253 [Define to the canonical Emacs configuration name.])
3254 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3255 [Define to the options passed to configure.])
3256 if test -n "$machfile"; then
3257 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3258 [Define to the used machine dependent file.])
3260 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3261 [Define to the used os dependent file.])
3266 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3267 AC_DEFINE(HAVE_X_WINDOWS, 1,
3268 [Define to 1 if you want to use the X window system.])
3270 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3272 if test "$HAVE_XFT" = "yes"; then
3273 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3274 elif test "$HAVE_FREETYPE" = "yes"; then
3275 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3285 if test "${USE_X_TOOLKIT}" != "none" ; then
3287 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3288 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3289 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3290 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3291 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3295 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3296 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3300 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3301 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3302 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3306 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3307 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3310 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3313 AC_SUBST(WIDGET_OBJ)
3316 case "$USE_X_TOOLKIT" in
3317 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3318 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3319 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
3321 AC_SUBST(TOOLKIT_LIBW)
3323 if test "$USE_X_TOOLKIT" = "none"; then
3324 LIBXT_OTHER="\$(LIBXSM)"
3325 OLDXMENU_TARGET="really-oldXMenu"
3327 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3328 OLDXMENU_TARGET="really-lwlib"
3330 AC_SUBST(LIBXT_OTHER)
3332 ## The X Menu stuff is present in the X10 distribution, but missing
3333 ## from X11. If we have X10, just use the installed library;
3334 ## otherwise, use our own copy.
3335 if test "${HAVE_X11}" = "yes" ; then
3336 AC_DEFINE(HAVE_X11, 1,
3337 [Define to 1 if you want to use version 11 of X windows.
3338 Otherwise, Emacs expects to use version 10.])
3340 if test "$USE_X_TOOLKIT" = "none"; then
3341 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3343 OLDXMENU="\${lwlibdir}/liblw.a"
3345 LIBXMENU="\$(OLDXMENU)"
3346 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3347 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3349 ## For a syntactically valid Makefile; not actually used for anything.
3350 ## See comments in src/Makefile.in.
3352 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3353 if test "${HAVE_X_WINDOWS}" = "yes"; then
3362 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3369 AC_SUBST(OLDXMENU_TARGET)
3372 AC_SUBST(LIBX_OTHER)
3373 AC_SUBST(OLDXMENU_DEPS)
3375 if test "${HAVE_MENUS}" = "yes" ; then
3376 AC_DEFINE(HAVE_MENUS, 1,
3377 [Define to 1 if you have mouse menus.
3378 (This is automatic if you use X, but the option to specify it remains.)
3379 It is also defined with other window systems that support xmenu.c.])
3382 if test "${GNU_MALLOC}" = "yes" ; then
3383 AC_DEFINE(GNU_MALLOC, 1,
3384 [Define to 1 if you want to use the GNU memory allocator.])
3388 if test "${REL_ALLOC}" = "yes" ; then
3389 AC_DEFINE(REL_ALLOC, 1,
3390 [Define REL_ALLOC if you want to use the relocating allocator for
3393 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3395 AC_SUBST(RALLOC_OBJ)
3397 if test "$opsys" = "cygwin"; then
3398 CYGWIN_OBJ="sheap.o"
3399 ## Cygwin differs because of its unexec().
3401 POST_ALLOC_OBJ=lastfile.o
3404 PRE_ALLOC_OBJ=lastfile.o
3407 AC_SUBST(CYGWIN_OBJ)
3408 AC_SUBST(PRE_ALLOC_OBJ)
3409 AC_SUBST(POST_ALLOC_OBJ)
3411 # Configure gnulib here, now that we know LIBS.
3412 gl_ASSERT_NO_GNULIB_POSIXCHECK
3413 gl_ASSERT_NO_GNULIB_TESTS
3417 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3420 ## The -headerpad option tells ld (see man page) to leave room at the
3421 ## end of the header for adding load commands. Needed for dumping.
3422 ## 0x690 is the total size of 30 segment load commands (at 56
3423 ## each); under Cocoa 31 commands are required.
3424 if test "$HAVE_NS" = "yes"; then
3425 libs_nsgui="-framework AppKit"
3431 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3433 ## This is here because src/Makefile.in did some extra fiddling around
3434 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3435 ## #ifndef LD_SWITCH_SYSTEM
3436 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3437 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3438 ## not using gcc, darwin system not on an alpha (ie darwin, since
3439 ## darwin + alpha does not occur).
3440 ## Because this was done in src/Makefile.in, the resulting part of
3441 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3442 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3443 ## rather than LD_SWITCH_SYSTEM.
3444 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3445 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3448 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3449 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3450 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3451 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3452 ## had different values in configure (in ac_link) and src/Makefile.in.
3453 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3454 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3456 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3459 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3460 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3463 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3469 ## gnu: GNU needs its own crt0.
3470 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3472 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3473 ## library search parth, i.e. it won't search /usr/lib for libc and
3474 ## friends. Using -nostartfiles instead avoids this problem, and
3475 ## will also work on earlier NetBSD releases.
3476 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3478 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3479 ## MkLinux/LinuxPPC needs this.
3480 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3483 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3489 if test "x$ORDINARY_LINK" = "xyes"; then
3492 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3494 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3495 ## freebsd, gnu-* not on macppc|ibms390x.
3496 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3498 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3499 ## places that are difficult to figure out at make time. Fortunately,
3500 ## these same versions allow you to pass arbitrary flags on to the
3501 ## linker, so there is no reason not to use it as a linker.
3503 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3504 ## searching for libraries in its internal directories, so we have to
3505 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3506 LD_FIRSTFLAG="-nostdlib"
3509 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3510 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3512 AC_SUBST(LD_FIRSTFLAG)
3515 ## FIXME? The logic here is not precisely the same as that above.
3516 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3517 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3519 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3522 freebsd|netbsd|openbsd) LIB_GCC= ;;
3525 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3526 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3532 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3533 ## immediately undefine it again and redefine it to empty.
3534 ## Was the C_SWITCH_X_SITE part really necessary?
3535 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3541 ## Ask GCC where to find libgcc.a.
3542 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3548 ## If we're using X11/GNUstep, define some consequences.
3549 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3550 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3551 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3555 AH_TOP([/* GNU Emacs site configuration template file.
3557 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3558 Free Software Foundation, Inc.
3560 This file is part of GNU Emacs.
3562 GNU Emacs is free software: you can redistribute it and/or modify
3563 it under the terms of the GNU General Public License as published by
3564 the Free Software Foundation, either version 3 of the License, or
3565 (at your option) any later version.
3567 GNU Emacs is distributed in the hope that it will be useful,
3568 but WITHOUT ANY WARRANTY; without even the implied warranty of
3569 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3570 GNU General Public License for more details.
3572 You should have received a copy of the GNU General Public License
3573 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3576 /* No code in Emacs #includes config.h twice, but some bits of code
3577 intended to work with other packages as well (like gmalloc.c)
3578 think they can include it as many times as they like. */
3579 #ifndef EMACS_CONFIG_H
3580 #define EMACS_CONFIG_H
3584 /* On AIX 3 this must be included before any other include file. */
3587 # error "alloca not available on this machine"
3590 /* Define AMPERSAND_FULL_NAME if you use the convention
3591 that & in the full name stands for the login id. */
3592 /* Turned on June 1996 supposing nobody will mind it. */
3593 #define AMPERSAND_FULL_NAME
3595 /* `subprocesses' should be defined if you want to
3596 have code for asynchronous subprocesses
3597 (as used in M-x compile and M-x shell).
3598 Only MSDOS does not support this (it overrides
3599 this in its config_opsysfile below). */
3601 #define subprocesses
3603 /* Include the os and machine dependent files. */
3604 #include config_opsysfile
3605 #ifdef config_machfile
3606 # include config_machfile
3609 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3610 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3611 (There is probably a better place to do this, but right now the
3612 Cocoa side does this in s/darwin.h and we cannot parallel this
3613 exactly since GNUstep is multi-OS. */
3614 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3615 # define SYSTEM_PURESIZE_EXTRA 30000
3618 #ifdef emacs /* Don't do this for lib-src. */
3619 /* Tell regex.c to use a type compatible with Emacs. */
3620 #define RE_TRANSLATE_TYPE Lisp_Object
3621 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3623 /* If make_number is a macro, use it. */
3624 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3626 /* If make_number is a function, avoid it. */
3627 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3631 /* These default definitions are good for almost all machines.
3632 Any exceptions should override them in m/MACHINE.h.
3633 They must be usable in preprocessor conditionals. */
3635 #ifndef BITS_PER_CHAR
3636 #define BITS_PER_CHAR 8
3639 #ifndef BITS_PER_SHORT
3640 #define BITS_PER_SHORT 16
3643 #ifndef BITS_PER_INT
3644 #define BITS_PER_INT 32
3647 #ifndef BITS_PER_LONG
3649 #define BITS_PER_LONG 64
3651 #define BITS_PER_LONG 32
3655 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3656 #define BITS_PER_LONG_LONG 64
3659 /* Define if the compiler supports function prototypes. It may do so but
3660 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3666 #if defined __GNUC__ && (__GNUC__ > 2 \
3667 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3668 #define NO_RETURN __attribute__ ((__noreturn__))
3670 #define NO_RETURN /* nothing */
3673 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3674 #define NO_INLINE __attribute__((noinline))
3679 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3680 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3682 #define EXTERNALLY_VISIBLE
3685 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3686 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3688 # define ATTRIBUTE_FORMAT(spec) /* empty */
3691 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3692 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3693 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3695 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3696 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3699 /* Some versions of GNU/Linux define noinline in their headers. */
3704 /* These won't be used automatically yet. We also need to know, at least,
3705 that the stack is continuous. */
3707 # ifndef GC_SETJMP_WORKS
3708 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3709 # define GC_SETJMP_WORKS 1
3713 #endif /* EMACS_CONFIG_H */
3722 #### Report on what we decided to do.
3723 #### Report GTK as a toolkit, even if it doesn't use Xt.
3724 #### It makes printing result more understandable as using GTK sets
3725 #### toolkit_scroll_bars to yes by default.
3726 if test "${HAVE_GTK}" = "yes"; then
3731 if test -n "$machfile"; then
3732 and_machfile=" and \`${machfile}'"
3736 Configured for \`${canonical}'.
3738 Where should the build process find the source code? ${srcdir}
3739 What operating system and machine description files should Emacs use?
3740 \`${opsysfile}'${and_machfile}
3741 What compiler should emacs be built with? ${CC} ${CFLAGS}
3742 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3743 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3744 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3745 What window system should Emacs use? ${window_system}
3746 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3748 if test -n "${x_includes}"; then
3749 echo " Where do we find X Windows header files? ${x_includes}"
3751 echo " Where do we find X Windows header files? Standard dirs"
3753 if test -n "${x_libraries}"; then
3754 echo " Where do we find X Windows libraries? ${x_libraries}"
3756 echo " Where do we find X Windows libraries? Standard dirs"
3759 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3760 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3761 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3762 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3763 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3764 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3765 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3766 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3768 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3769 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3770 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3771 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3772 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3773 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3774 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3776 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3777 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3778 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3779 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3781 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3783 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
3784 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
3785 echo " Does xwidgets support clutter(demo code)? ${HAVE_CLUTTER}"
3786 echo " Does xwidgets support goocanvas(demo code)? ${HAVE_GOOCANVAS}"
3789 if test $USE_XASSERTS = yes; then
3790 echo " Compiling with asserts turned on."
3791 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3796 if test "$HAVE_NS" = "yes"; then
3798 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3799 The installed application will go to nextstep/Emacs.app and can be
3800 run or moved from there."
3801 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3802 echo "The application will be fully self-contained."
3804 echo "The lisp resources for the application will be installed under ${prefix}.
3805 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3806 to run if these resources are not installed."
3812 # Remove any trailing slashes in these variables.
3813 [test "${prefix}" != NONE &&
3814 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3815 test "${exec_prefix}" != NONE &&
3816 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3818 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3819 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3820 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3821 dnl (else you get "no `Makefile.am' found for any configure output").
3822 dnl This will work, but you get a config.status that is not quite right
3823 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3824 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3825 dnl it seems better to just live with the duplication.
3826 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"
3828 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3829 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3830 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3833 dnl test/ is not present in release tarfiles.
3834 opt_makefile=test/automated/Makefile
3836 if test -f $srcdir/${opt_makefile}.in; then
3837 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3838 dnl Again, it's best not to use a variable. Though you can add
3839 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3840 AC_CONFIG_FILES([test/automated/Makefile])
3843 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3845 AC_SUBST(SUBDIR_MAKEFILES_IN)
3847 dnl Make the necessary directories, if they don't exist.
3848 AC_CONFIG_COMMANDS([mkdirs], [
3849 for dir in etc lisp ; do
3850 test -d ${dir} || mkdir ${dir}
3854 dnl You might wonder (I did) why epaths.h is generated by running make,
3855 dnl rather than just letting configure generate it from epaths.in.
3856 dnl One reason is that the various paths are not fully expanded (see above);
3857 dnl eg gamedir=${prefix}/var/games/emacs.
3858 dnl Secondly, the GNU Coding standards require that one should be able
3859 dnl to run `make prefix=/some/where/else' and override the values set
3860 dnl by configure. This also explains the `move-if-change' test and
3861 dnl the use of force in the `epaths-force' rule in Makefile.in.
3862 AC_CONFIG_COMMANDS([epaths], [
3863 echo creating src/epaths.h
3864 ${MAKE-make} epaths-force
3865 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3867 AC_CONFIG_COMMANDS([gdbinit], [
3868 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3869 echo creating src/.gdbinit
3870 echo source $srcdir/src/.gdbinit > src/.gdbinit
3876 dnl configure.in ends here