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, 1999-2012 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, 24.1.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
28 AC_CONFIG_AUX_DIR(build-aux)
31 dnl Support for --program-prefix, --program-suffix and
32 dnl --program-transform-name options
35 dnl It is important that variables on the RHS not be expanded here,
36 dnl hence the single quotes. This is per the GNU coding standards, see
37 dnl (autoconf) Installation Directory Variables
38 dnl See also epaths.h below.
39 lispdir='${datadir}/emacs/${version}/lisp'
40 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
41 '${datadir}/emacs/site-lisp'
42 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
43 etcdir='${datadir}/emacs/${version}/etc'
44 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
45 docdir='${datadir}/emacs/${version}/etc'
46 gamedir='${localstatedir}/games/emacs'
48 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
49 dnl Create a new --with option that defaults to being disabled.
50 dnl NAME is the base name of the option. The shell variable with_NAME
51 dnl will be set to either the user's value (if the option is
52 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
53 dnl option is not specified). Note that the shell variable name is
54 dnl constructed as autoconf does, by replacing non-alphanumeric
55 dnl characters with "_".
56 dnl HELP-STRING is the help text for the option.
57 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
58 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
59 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
62 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
63 dnl Create a new --with option that defaults to being enabled. NAME
64 dnl is the base name of the option. The shell variable with_NAME
65 dnl will be set either to 'no' (for a plain --without-NAME) or to
66 dnl 'yes' (if the option is not specified). Note that the shell
67 dnl variable name is constructed as autoconf does, by replacing
68 dnl non-alphanumeric characters with "_".
69 dnl HELP-STRING is the help text for the option.
70 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
71 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
72 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
75 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
76 if test "$with_pop" = yes; then
77 AC_DEFINE(MAIL_USE_POP)
79 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
81 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
82 if test "$with_kerberos" != no; then
86 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
88 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
89 if test "${with_kerberos5}" != no; then
90 if test "${with_kerberos}" = no; then
94 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
97 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
98 dnl FIXME hesiod support may not be present, so it seems like an error
99 dnl to define, or at least use, this unconditionally.
100 if test "$with_hesiod" != no; then
101 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
104 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
105 if test "$with_mmdf" != no; then
106 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
109 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
110 if test "$with_mail_unlink" != no; then
111 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
114 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
115 [string giving default POP mail host])],
116 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
118 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
120 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
121 if test "$with_sync_input" = yes; then
122 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
125 dnl FIXME currently it is not the last.
126 dnl This should be the last --with option, because --with-x is
127 dnl added later on when we find the path of X, and it's best to
128 dnl keep them together visually.
129 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
130 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
131 [ case "${withval}" in
132 y | ye | yes ) val=gtk ;;
134 l | lu | luc | luci | lucid ) val=lucid ;;
135 a | at | ath | athe | athen | athena ) val=athena ;;
136 m | mo | mot | moti | motif ) val=motif ;;
137 g | gt | gtk ) val=gtk ;;
140 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
141 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
142 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
148 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
149 if test "$with_wide_int" = yes; then
150 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
153 dnl _ON results in a '--without' option in the --help output, so
154 dnl the help text should refer to "don't compile", etc.
155 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
156 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
157 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
158 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
159 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
160 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
161 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
162 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
164 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
165 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
166 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
168 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
169 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
170 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
171 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
173 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
174 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
175 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
176 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
177 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
178 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
180 ## For the times when you want to build Emacs but don't have
181 ## a suitable makeinfo, and can live without the manuals.
182 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
183 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
185 ## Makefile.in needs the cache file name.
188 ## This is an option because I do not know if all info/man support
189 ## compressed files, nor how to test if they do so.
190 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
191 if test $with_compress_info = yes; then
198 AC_ARG_WITH([pkg-config-prog],dnl
199 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
200 [path to pkg-config for finding GTK and librsvg])])
201 if test "X${with_pkg_config_prog}" != X; then
202 if test "${with_pkg_config_prog}" != yes; then
203 PKG_CONFIG="${with_pkg_config_prog}"
208 AC_ARG_WITH([crt-dir],dnl
209 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
210 The default is /usr/lib, or /usr/lib64 on some platforms.])])
211 CRT_DIR="${with_crt_dir}"
213 AC_ARG_WITH(gameuser,dnl
214 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
215 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
216 && gameuser="${with_gameuser}"
217 test "X$gameuser" = X && gameuser=games
219 AC_ARG_WITH([gnustep-conf],dnl
220 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
221 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
222 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
223 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
224 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
226 AC_ARG_ENABLE(ns-self-contained,
227 [AS_HELP_STRING([--disable-ns-self-contained],
228 [disable self contained build under NeXTstep])],
229 EN_NS_SELF_CONTAINED=$enableval,
230 EN_NS_SELF_CONTAINED=yes)
232 AC_ARG_ENABLE(asserts,
233 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
234 USE_XASSERTS=$enableval,
237 AC_ARG_ENABLE(maintainer-mode,
238 [AS_HELP_STRING([--disable-maintainer-mode],
239 [disable make rules and dependencies not useful (and sometimes
240 confusing) to the casual installer])],
241 USE_MAINTAINER_MODE=$enableval,
242 USE_MAINTAINER_MODE=yes)
243 if test $USE_MAINTAINER_MODE = yes; then
250 AC_ARG_ENABLE(locallisppath,
251 [AS_HELP_STRING([--enable-locallisppath=PATH],
252 [directories Emacs should search for lisp files specific
254 if test "${enableval}" = "no"; then
256 elif test "${enableval}" != "yes"; then
257 locallisppath=${enableval}
260 AC_ARG_ENABLE(checking,
261 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
262 [enable expensive run-time checks. With LIST,
263 enable only specific categories of checks.
264 Categories are: all,yes,no.
265 Flags are: stringbytes, stringoverrun, stringfreelist,
266 xmallocoverrun, conslist])],
267 [ac_checking_flags="${enableval}"],[])
268 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
269 for check in $ac_checking_flags
272 # these set all the flags to specific states
273 yes) ac_enable_checking=1 ;;
274 no) ac_enable_checking= ;
275 ac_gc_check_stringbytes= ;
276 ac_gc_check_string_overrun= ;
277 ac_gc_check_string_free_list= ;
278 ac_xmalloc_overrun= ;
279 ac_gc_check_cons_list= ;;
280 all) ac_enable_checking=1 ;
281 ac_gc_check_stringbytes=1 ;
282 ac_gc_check_string_overrun=1 ;
283 ac_gc_check_string_free_list=1 ;
284 ac_xmalloc_overrun=1 ;
285 ac_gc_check_cons_list=1 ;;
286 # these enable particular checks
287 stringbytes) ac_gc_check_stringbytes=1 ;;
288 stringoverrun) ac_gc_check_string_overrun=1 ;;
289 stringfreelist) ac_gc_check_string_free_list=1 ;;
290 xmallocoverrun) ac_xmalloc_overrun=1 ;;
291 conslist) ac_gc_check_cons_list=1 ;;
292 *) AC_MSG_ERROR(unknown check category $check) ;;
297 if test x$ac_enable_checking != x ; then
298 AC_DEFINE(ENABLE_CHECKING, 1,
299 [Enable expensive run-time checking of data types?])
301 if test x$ac_gc_check_stringbytes != x ; then
302 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
303 [Define this temporarily to hunt a bug. If defined, the size of
304 strings is redundantly recorded in sdata structures so that it can
305 be compared to the sizes recorded in Lisp strings.])
307 if test x$ac_gc_check_string_overrun != x ; then
308 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
309 [Define this to check for short string overrun.])
311 if test x$ac_gc_check_string_free_list != x ; then
312 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
313 [Define this to check the string free list.])
315 if test x$ac_xmalloc_overrun != x ; then
316 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
317 [Define this to check for malloc buffer overrun.])
319 if test x$ac_gc_check_cons_list != x ; then
320 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
321 [Define this to check for errors in cons list.])
324 AC_ARG_ENABLE(use-lisp-union-type,
325 [AS_HELP_STRING([--enable-use-lisp-union-type],
326 [use a union for the Lisp_Object data type.
327 This is only useful for development for catching certain types of bugs.])],
328 if test "${enableval}" != "no"; then
329 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
330 [Define this to use a lisp union for the Lisp_Object data type.])
334 AC_ARG_ENABLE(profiling,
335 [AS_HELP_STRING([--enable-profiling],
336 [build emacs with profiling support.
337 This might not work on all platforms])],
338 [ac_enable_profiling="${enableval}"],[])
339 if test x$ac_enable_profiling != x ; then
340 PROFILING_CFLAGS="-DPROFILING=1 -pg"
344 AC_SUBST(PROFILING_CFLAGS)
346 AC_ARG_ENABLE(autodepend,
347 [AS_HELP_STRING([--enable-autodepend],
348 [automatically generate dependencies to .h-files.
349 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
351 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
353 #### Make srcdir absolute, if it isn't already. It's important to
354 #### avoid running the path through pwd unnecessarily, since pwd can
355 #### give you automounter prefixes, which can go away. We do all this
356 #### so Emacs can find its files when run uninstalled.
357 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
362 ## We may be able to use the $PWD environment variable to make this
363 ## absolute. But sometimes PWD is inaccurate.
364 ## Note: we used to use ${PWD} at the end instead of `pwd`,
365 ## but that tested only for a well-formed and valid PWD,
366 ## it did not object when PWD was well-formed and valid but just wrong.
367 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
371 srcdir="`(cd ${srcdir}; pwd)`"
374 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
377 #### Given the configuration name, set machfile and opsysfile to the
378 #### names of the m/*.h and s/*.h files we should use.
380 ### Canonicalize the configuration name.
384 configuration=${host_alias-${build_alias-$host}}
386 dnl This used to use changequote, but, apart from `changequote is evil'
387 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
388 dnl the great gob of text. Thus it's not processed for possible expansion.
389 dnl Just make sure the brackets remain balanced.
391 dnl Since Emacs can't find matching pairs of quotes, boundaries are
392 dnl indicated by comments.
396 ### If you add support for a new configuration, add code to this
397 ### switch statement to recognize your configuration name and select
398 ### the appropriate operating system and machine description files.
400 ### You would hope that you could choose an m/*.h file pretty much
401 ### based on the machine portion of the configuration name, and an s/*.h
402 ### file based on the operating system portion. However, it turns out
403 ### that each m/*.h file is pretty manufacturer-specific - for
404 ### example mips.h is MIPS
405 ### So we basically have to have a special case for each
406 ### configuration name.
408 ### As far as handling version numbers on operating systems is
409 ### concerned, make sure things will fail in a fixable way. If
410 ### /etc/MACHINES doesn't say anything about version numbers, be
411 ### prepared to handle anything reasonably. If version numbers
412 ### matter, be sure /etc/MACHINES says something about it.
414 machine='' opsys='' unported=no
415 case "${canonical}" in
417 ## GNU/Linux and similar ports
421 alpha*) machine=alpha ;;
422 s390x-*) machine=ibms390x ;;
423 powerpc*) machine=macppc ;;
424 sparc*) machine=sparc ;;
425 ia64*) machine=ia64 ;;
426 m68k*) machine=m68k ;;
427 x86_64*) machine=amdx86-64 ;;
434 case "${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 >= 4.7 (?) 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\.[[7-9]]|4\.[[1-6]][[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 $srcdir/info/emacs; then
786 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
787 source tree does not seem to have pre-built manuals in the `info' directory.
788 Either install a suitable version of makeinfo, or re-run configure
789 with the `--without-makeinfo' option to build without the manuals.] )
792 AC_SUBST(HAVE_MAKEINFO)
794 dnl Add our options to ac_link now, after it is set up.
796 if test x$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 &&
1128 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1129 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1131 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e 's,///*,/,g'`
1132 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1133 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1139 ## If we have a custom action on failure, don't print errors, but
1140 ## do set a variable so people can do so.
1141 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1142 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1148 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1149 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1153 if test $succeeded = yes; then
1154 ifelse([$3], , :, [$3])
1156 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.])], [$4])
1161 if test "${with_sound}" != "no"; then
1162 # Sound support for GNU/Linux and the free BSDs.
1163 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1164 have_sound_header=yes)
1165 # Emulation library used on NetBSD.
1166 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1170 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1171 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1172 if test $HAVE_ALSA = yes; then
1173 SAVE_CFLAGS="$CFLAGS"
1175 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1176 LIBS="$ALSA_LIBS $LIBS"
1177 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1178 emacs_alsa_normal=yes,
1179 emacs_alsa_normal=no)
1180 if test "$emacs_alsa_normal" != yes; then
1181 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1182 [[snd_lib_error_set_handler (0);]])],
1183 emacs_alsa_subdir=yes,
1184 emacs_alsa_subdir=no)
1185 if test "$emacs_alsa_subdir" != yes; then
1186 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1188 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1191 CFLAGS="$SAVE_CFLAGS"
1193 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1194 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1195 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1198 dnl Define HAVE_SOUND if we have sound support. We know it works and
1199 dnl compiles only on the specified platforms. For others, it
1200 dnl probably doesn't make sense to try.
1201 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1203 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1204 gnu-linux|freebsd|netbsd)
1205 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1210 AC_SUBST(CFLAGS_SOUND)
1213 dnl checks for header files
1214 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1215 linux/version.h sys/systeminfo.h \
1216 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1217 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1218 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1220 AC_MSG_CHECKING(if personality LINUX32 can be set)
1221 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1222 emacs_cv_personality_linux32=yes,
1223 emacs_cv_personality_linux32=no)
1224 AC_MSG_RESULT($emacs_cv_personality_linux32)
1226 if test $emacs_cv_personality_linux32 = yes; then
1227 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1228 [Define to 1 if personality LINUX32 can be set.])
1231 dnl On Solaris 8 there's a compilation warning for term.h because
1232 dnl it doesn't define `bool'.
1233 AC_CHECK_HEADERS(term.h, , , -)
1235 AC_CHECK_DECLS([sys_siglist])
1236 if test $ac_cv_have_decl_sys_siglist != yes; then
1237 # For Tru64, at least:
1238 AC_CHECK_DECLS([__sys_siglist])
1239 if test $ac_cv_have_decl___sys_siglist = yes; then
1240 AC_DEFINE(sys_siglist, __sys_siglist,
1241 [Define to any substitute for sys_siglist.])
1246 dnl Some systems have utime.h but don't declare the struct anyplace.
1247 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1248 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1249 #include <sys/time.h>
1252 #ifdef HAVE_SYS_TIME_H
1253 #include <sys/time.h>
1260 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1261 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1262 if test $emacs_cv_struct_utimbuf = yes; then
1263 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1266 dnl Check for speed_t typedef.
1267 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1268 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1269 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1270 if test $emacs_cv_speed_t = yes; then
1271 AC_DEFINE(HAVE_SPEED_T, 1,
1272 [Define to 1 if `speed_t' is declared by <termios.h>.])
1275 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1276 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1277 #include <sys/time.h>
1280 #ifdef HAVE_SYS_TIME_H
1281 #include <sys/time.h>
1285 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1286 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1287 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1288 if test $emacs_cv_struct_timeval = yes; then
1289 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1292 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1293 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1294 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1295 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1296 HAVE_EXCEPTION=$emacs_cv_struct_exception
1297 if test $emacs_cv_struct_exception != yes; then
1298 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1301 AC_CHECK_HEADERS(sys/socket.h)
1302 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1303 #if HAVE_SYS_SOCKET_H
1304 #include <sys/socket.h>
1306 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1307 #if HAVE_SYS_SOCKET_H
1308 #include <sys/socket.h>
1310 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1311 #if HAVE_SYS_SOCKET_H
1312 #include <sys/socket.h>
1314 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1316 dnl checks for structure members
1317 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1318 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1319 struct ifreq.ifr_addr,
1320 struct ifreq.ifr_addr.sa_len], , ,
1321 [AC_INCLUDES_DEFAULT
1322 #if HAVE_SYS_SOCKET_H
1323 #include <sys/socket.h>
1329 dnl checks for compiler characteristics
1331 dnl Testing __STDC__ to determine prototype support isn't good enough.
1332 dnl DEC C, for instance, doesn't define it with default options, and
1333 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1338 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1339 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1340 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1341 if test $emacs_cv_void_star = yes; then
1342 AC_DEFINE(POINTER_TYPE, void)
1344 AC_DEFINE(POINTER_TYPE, char)
1346 AH_TEMPLATE(POINTER_TYPE,
1347 [Define as `void' if your compiler accepts `void *'; otherwise
1348 define as `char'.])dnl
1350 dnl Check for endianness.
1353 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1354 [emacs_cv_attribute_aligned],
1357 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1359 [emacs_cv_attribute_aligned=yes],
1360 [emacs_cv_attribute_aligned=no])])
1361 if test $emacs_cv_attribute_aligned = yes; then
1362 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1363 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1366 dnl check for Make feature
1372 dnl check for GNU Make if we have GCC and autodepend is on.
1373 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1374 AC_MSG_CHECKING([whether we are using GNU Make])
1376 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1377 if test "x$testval" != x; then
1380 ac_enable_autodepend=no
1382 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1383 if test $HAVE_GNU_MAKE = yes; then
1384 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1385 SAVE_CFLAGS="$CFLAGS"
1386 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1387 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1388 CFLAGS="$SAVE_CFLAGS"
1389 test -f deps.d || ac_enable_autodepend=no
1391 AC_MSG_RESULT([$ac_enable_autodepend])
1393 if test $ac_enable_autodepend = yes; then
1394 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1395 ## In parallel builds, another make might create depdir between
1396 ## the first test and mkdir, so stick another test on the end.
1397 ## Or use install-sh -d? mkdir -p is not portable.
1398 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1399 deps_frag=autodeps.mk
1402 deps_frag=$srcdir/src/$deps_frag
1405 AC_SUBST_FILE(deps_frag)
1408 lisp_frag=$srcdir/src/lisp.mk
1409 AC_SUBST_FILE(lisp_frag)
1412 dnl checks for operating system services
1413 AC_SYS_LONG_FILE_NAMES
1415 #### Choose a window system.
1418 if test "$no_x" = yes; then
1424 LD_SWITCH_X_SITE_AUX=
1425 LD_SWITCH_X_SITE_AUX_RPATH=
1426 if test "${x_libraries}" != NONE; then
1427 if test -n "${x_libraries}"; then
1428 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1429 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1430 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1432 x_default_search_path=""
1433 x_search_path=${x_libraries}
1434 if test -z "${x_search_path}"; then
1435 x_search_path=/usr/lib
1437 for x_library in `echo ${x_search_path}: | \
1438 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1440 ${x_library}/X11/%L/%T/%N%C%S:\
1441 ${x_library}/X11/%l/%T/%N%C%S:\
1442 ${x_library}/X11/%T/%N%C%S:\
1443 ${x_library}/X11/%L/%T/%N%S:\
1444 ${x_library}/X11/%l/%T/%N%S:\
1445 ${x_library}/X11/%T/%N%S"
1446 if test x"${x_default_search_path}" = x; then
1447 x_default_search_path=${x_search_path}
1449 x_default_search_path="${x_search_path}:${x_default_search_path}"
1453 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1454 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1456 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1457 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1460 if test x"${x_includes}" = x; then
1461 bitmapdir=/usr/include/X11/bitmaps
1463 # accumulate include directories that have X11 bitmap subdirectories
1465 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1466 if test -d "${bmd}/X11/bitmaps"; then
1467 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1469 if test -d "${bmd}/bitmaps"; then
1470 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1473 if test ${bmd_acc} != "dummyval"; then
1474 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1481 tmp_CPPFLAGS="$CPPFLAGS"
1482 tmp_CFLAGS="$CFLAGS"
1483 CPPFLAGS="$CPPFLAGS -x objective-c"
1484 CFLAGS="$CFLAGS -x objective-c"
1485 TEMACS_LDFLAGS2="\${LDFLAGS}"
1487 dnl I don't think it's especially important, but src/Makefile.in
1488 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1489 dnl trailing "/" to it, so now we do it here.
1490 if test "${with_ns}" != no; then
1491 if test "${opsys}" = darwin; then
1493 ns_appdir=`pwd`/nextstep/Emacs.app
1494 ns_appbindir=${ns_appdir}/Contents/MacOS/
1495 ns_appresdir=${ns_appdir}/Contents/Resources
1496 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1497 elif test -f $GNUSTEP_CONFIG_FILE; then
1499 ns_appdir=`pwd`/nextstep/Emacs.app
1500 ns_appbindir=${ns_appdir}/
1501 ns_appresdir=${ns_appdir}/Resources
1502 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1503 dnl FIXME sourcing this several times in subshells seems inefficient.
1504 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1505 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1506 dnl I seemed to need these as well with GNUstep-startup 0.25.
1507 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1508 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1509 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1510 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1511 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1512 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1513 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1514 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1515 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1519 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1520 dnl If they had chosen to either define it or not, we could have
1521 dnl just used AC_CHECK_DECL here.
1522 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1523 emacs_cv_objc_exceptions,
1524 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1525 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1529 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1530 if test $emacs_cv_objc_exceptions = yes; then
1531 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1532 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1533 [Define if GNUstep uses ObjC exceptions.])
1534 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1538 dnl This is only used while we test the NS headers, it gets reset below.
1539 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1541 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1542 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1543 files are missing or cannot be compiled.])])
1544 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1546 ns_have_nsinteger=yes,
1547 ns_have_nsinteger=no)
1548 if test $ns_have_nsinteger = yes; then
1549 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1552 AC_SUBST(TEMACS_LDFLAGS2)
1557 if test "${HAVE_NS}" = yes; then
1558 if test "$with_toolkit_scroll_bars" = "no"; then
1559 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1562 window_system=nextstep
1564 # set up packaging dirs
1565 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1566 prefix=${ns_appresdir}
1567 exec_prefix=${ns_appbindir}
1568 libexecdir=${ns_appbindir}/libexec
1570 ns_frag=$srcdir/src/ns.mk
1571 NS_OBJ="fontset.o fringe.o image.o"
1572 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1574 CFLAGS="$tmp_CFLAGS"
1575 CPPFLAGS="$tmp_CPPFLAGS"
1577 AC_SUBST(NS_OBJC_OBJ)
1578 AC_SUBST(LIB_STANDARD)
1579 AC_SUBST_FILE(ns_frag)
1581 case "${window_system}" in
1585 case "${with_x_toolkit}" in
1586 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1587 motif ) USE_X_TOOLKIT=MOTIF ;;
1589 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1590 dnl USE_X_TOOLKIT is set.
1591 USE_X_TOOLKIT=none ;;
1592 gtk3 ) with_gtk3=yes
1593 USE_X_TOOLKIT=none ;;
1594 no ) USE_X_TOOLKIT=none ;;
1595 dnl If user did not say whether to use a toolkit, make this decision later:
1596 dnl use the toolkit if we have gtk, or X11R5 or newer.
1597 * ) USE_X_TOOLKIT=maybe ;;
1607 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1608 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1609 if test "$HAVE_XSERVER" = true ||
1610 test -n "$DISPLAY" ||
1611 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1612 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1613 were found. You should install the relevant development files for X
1614 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1615 sure you have development files for image handling, i.e.
1616 tiff, gif, jpeg, png and xpm.
1617 If you are sure you want Emacs compiled without X window support, pass
1623 ### If we're using X11, we should use the X menu package.
1626 yes ) HAVE_MENUS=yes ;;
1629 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1630 # Assume not, until told otherwise.
1633 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1634 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1635 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1636 emacs_cv_var___after_morecore_hook,
1637 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1638 emacs_cv_var___after_morecore_hook=yes,
1639 emacs_cv_var___after_morecore_hook=no)])
1640 if test $emacs_cv_var___after_morecore_hook = no; then
1645 dnl See comments in aix4-2.h about maybe using system malloc there.
1648 ## darwin ld insists on the use of malloc routines in the System framework.
1649 darwin|sol2-10) system_malloc=yes ;;
1652 if test "${system_malloc}" = "yes"; then
1653 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1656 (The GNU allocators don't work with this system configuration.)"
1660 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1661 VMLIMIT_OBJ=vm-limit.o
1663 AC_SUBST(GMALLOC_OBJ)
1664 AC_SUBST(VMLIMIT_OBJ)
1666 if test "$doug_lea_malloc" = "yes" ; then
1667 if test "$GNU_MALLOC" = yes ; then
1669 (Using Doug Lea's new malloc from the GNU C Library.)"
1671 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1672 [Define to 1 if you are using the GNU C Library.])
1674 ## Use mmap directly for allocating larger buffers.
1675 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1676 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1677 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1679 gnu*) REL_ALLOC=no ;;
1683 if test x"${REL_ALLOC}" = x; then
1684 REL_ALLOC=${GNU_MALLOC}
1687 use_mmap_for_buffers=no
1689 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1693 if test $use_mmap_for_buffers = yes; then
1694 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1698 LIBS="$LIBS_SYSTEM $LIBS"
1700 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1701 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1702 AC_CHECK_LIB(dnet, dnet_ntoa)
1703 dnl This causes -lresolv to get used in subsequent tests,
1704 dnl which causes failures on some systems such as HPUX 9.
1705 dnl AC_CHECK_LIB(resolv, gethostbyname)
1707 dnl FIXME replace main with a function we actually want from this library.
1708 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1710 dnl Check if pthreads is available.
1712 AC_CHECK_HEADERS(pthread.h)
1713 if test "$ac_cv_header_pthread_h"; then
1714 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1715 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1716 dnl testing for pthread_self if Emacs uses gmalloc.c.
1717 if test "$GMALLOC_OBJ" = gmalloc.o; then
1718 emacs_pthread_function=pthread_atfork
1720 emacs_pthread_function=pthread_self
1722 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1724 if test "$HAVE_PTHREAD" = yes; then
1725 case "${canonical}" in
1727 *) LIB_PTHREAD="-lpthread"
1728 LIBS="$LIB_PTHREAD $LIBS" ;;
1730 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1732 AC_SUBST([LIB_PTHREAD])
1734 AC_CHECK_LIB(pthreads, cma_open)
1736 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1737 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1738 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1739 ## added to LIBS in configure would never contain the pthreads part,
1740 ## but the value used in Makefiles might. FIXME?
1742 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1743 ## be harmless on older versions of X where it happens to exist.
1744 test "$opsys" = "aix4-2" && \
1745 test $ac_cv_lib_pthreads_cma_open = yes && \
1746 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1748 dnl Check for need for bigtoc support on IBM AIX
1752 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1754 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1755 *) gdb_cv_bigtoc=-bbigtoc ;;
1758 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1759 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1764 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1765 # used for the tests that follow. We set them back to REAL_CFLAGS and
1766 # REAL_CPPFLAGS later on.
1768 REAL_CFLAGS="$CFLAGS"
1769 REAL_CPPFLAGS="$CPPFLAGS"
1771 if test "${HAVE_X11}" = "yes"; then
1772 DEFS="$C_SWITCH_X_SITE $DEFS"
1773 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1775 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1776 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1778 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1779 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1780 # but it's more convenient here to set LD_RUN_PATH
1781 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1782 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1783 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1787 if test "${opsys}" = "gnu-linux"; then
1788 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1789 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1790 [[XOpenDisplay ("foo");]])],
1791 [xgnu_linux_first_failure=no],
1792 [xgnu_linux_first_failure=yes])
1793 if test "${xgnu_linux_first_failure}" = "yes"; then
1794 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1795 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1796 OLD_CPPFLAGS="$CPPFLAGS"
1798 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1799 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1800 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1801 LIBS="$LIBS -b i486-linuxaout"
1802 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1803 [[XOpenDisplay ("foo");]])],
1804 [xgnu_linux_second_failure=no],
1805 [xgnu_linux_second_failure=yes])
1806 if test "${xgnu_linux_second_failure}" = "yes"; then
1807 # If we get the same failure with -b, there is no use adding -b.
1808 # So take it out. This plays safe.
1809 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1810 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1811 CPPFLAGS="$OLD_CPPFLAGS"
1822 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1823 # header files included from there.
1824 AC_MSG_CHECKING(for Xkb)
1825 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1826 #include <X11/XKBlib.h>]],
1827 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1828 emacs_xkb=yes, emacs_xkb=no)
1829 AC_MSG_RESULT($emacs_xkb)
1830 if test $emacs_xkb = yes; then
1831 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1834 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1835 XScreenNumberOfScreen XSetWMProtocols)
1838 if test "${window_system}" = "x11"; then
1839 AC_MSG_CHECKING(X11 version 6)
1840 AC_CACHE_VAL(emacs_cv_x11_version_6,
1841 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1842 [[#if XlibSpecificationRelease < 6
1845 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1846 if test $emacs_cv_x11_version_6 = yes; then
1847 AC_MSG_RESULT(6 or newer)
1848 AC_DEFINE(HAVE_X11R6, 1,
1849 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1850 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1851 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1855 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1856 [Define if you have usable X11R6-style XIM support.])
1860 AC_MSG_RESULT(before 6)
1865 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1867 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1868 if test "${with_rsvg}" != "no"; then
1869 RSVG_REQUIRED=2.11.0
1870 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1872 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1873 AC_SUBST(RSVG_CFLAGS)
1876 if test $HAVE_RSVG = yes; then
1877 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1878 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1879 LIBS="$RSVG_LIBS $LIBS"
1885 if test "${HAVE_X11}" = "yes"; then
1886 if test "${with_imagemagick}" != "no"; then
1887 ## 6.2.8 is the earliest version known to work, but earlier versions
1888 ## might work - let us know if you find one.
1889 ## 6.0.7 does not work. See bug#7955.
1890 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1891 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1892 AC_SUBST(IMAGEMAGICK_CFLAGS)
1893 AC_SUBST(IMAGEMAGICK_LIBS)
1895 if test $HAVE_IMAGEMAGICK = yes; then
1896 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1897 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1898 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1899 AC_CHECK_FUNCS(MagickExportImagePixels)
1907 if test "${with_gtk3}" = "yes"; then
1910 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1912 dnl Checks for libraries.
1913 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1914 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1915 AC_MSG_ERROR($GTK_PKG_ERRORS)
1917 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1918 GTK_OBJ=emacsgtkfixed.o
1921 if test "$pkg_check_gtk" != "yes"; then
1923 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1926 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1928 dnl Checks for libraries.
1929 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1930 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1931 AC_MSG_ERROR($GTK_PKG_ERRORS)
1936 if test x"$pkg_check_gtk" = xyes; then
1938 AC_SUBST(GTK_CFLAGS)
1940 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1941 CFLAGS="$CFLAGS $GTK_CFLAGS"
1942 LIBS="$GTK_LIBS $LIBS"
1943 dnl Try to compile a simple GTK program.
1945 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1946 if test "${GTK_COMPILES}" != "yes"; then
1947 if test "$USE_X_TOOLKIT" != "maybe"; then
1948 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1952 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1953 GTK_OBJ="gtkutil.o $GTK_OBJ"
1955 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1958 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1959 closing open displays. This is no problem if you just use
1960 one display, but if you use more than one and close one of them
1970 if test "${HAVE_GTK}" = "yes"; then
1972 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1973 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1974 if test "$with_toolkit_scroll_bars" != no; then
1975 with_toolkit_scroll_bars=yes
1978 dnl Check if we have the old file selection dialog declared and
1979 dnl in the link library. In 2.x it may be in the library,
1980 dnl but not declared if deprecated featured has been selected out.
1981 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1982 HAVE_GTK_FILE_SELECTION=no
1983 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1984 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1985 #include <gtk/gtk.h>])
1986 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1987 AC_CHECK_FUNCS(gtk_file_selection_new)
1991 dnl Check for functions introduced in 2.14 and later.
1992 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1993 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1994 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1995 gtk_orientable_set_orientation \
1996 gtk_window_set_has_resize_grip)
1999 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2000 dnl other platforms. Support for higher D-Bus versions than 1.0 is
2001 dnl also not configured.
2004 if test "${with_dbus}" = "yes"; then
2005 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2006 if test "$HAVE_DBUS" = yes; then
2007 LIBS="$LIBS $DBUS_LIBS"
2008 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2009 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
2015 dnl GSettings has been tested under GNU/Linux only.
2017 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2018 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2019 if test "$HAVE_GSETTINGS" = "yes"; then
2020 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2021 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2022 SETTINGS_LIBS="$GSETTINGS_LIBS"
2026 dnl GConf has been tested under GNU/Linux only.
2027 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2029 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2030 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2031 if test "$HAVE_GCONF" = yes; then
2032 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2033 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2034 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2035 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2039 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2040 SAVE_CFLAGS="$CFLAGS"
2042 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2043 LIBS="$SETTINGS_LIBS $LIBS"
2044 AC_CHECK_FUNCS([g_type_init])
2045 CFLAGS="$SAVE_CFLAGS"
2048 AC_SUBST(SETTINGS_CFLAGS)
2049 AC_SUBST(SETTINGS_LIBS)
2052 dnl SELinux is available for GNU/Linux only.
2055 if test "${with_selinux}" = "yes"; then
2056 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2057 if test "$HAVE_LIBSELINUX" = yes; then
2058 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2059 LIBSELINUX_LIBS=-lselinux
2062 AC_SUBST(LIBSELINUX_LIBS)
2065 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2066 if test "${with_gnutls}" = "yes" ; then
2067 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2068 if test "${HAVE_GNUTLS}" = "yes"; then
2069 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2072 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2073 LIBS="$LIBGNUTLS_LIBS $LIBS"
2074 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2076 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2077 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2081 AC_SUBST(LIBGNUTLS_LIBS)
2082 AC_SUBST(LIBGNUTLS_CFLAGS)
2084 dnl Do not put whitespace before the #include statements below.
2085 dnl Older compilers (eg sunos4 cc) choke on it.
2088 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2089 if test "$with_xaw3d" != no; then
2090 AC_MSG_CHECKING(for xaw3d)
2091 AC_CACHE_VAL(emacs_cv_xaw3d,
2092 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2093 #include <X11/Intrinsic.h>
2094 #include <X11/Xaw3d/Simple.h>]],
2096 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2097 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2098 emacs_cv_xaw3d=no)])
2102 if test $emacs_cv_xaw3d = yes; then
2103 AC_MSG_RESULT([yes; using Lucid toolkit])
2107 AC_DEFINE(HAVE_XAW3D, 1,
2108 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2111 AC_MSG_CHECKING(for libXaw)
2112 AC_CACHE_VAL(emacs_cv_xaw,
2113 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2114 #include <X11/Intrinsic.h>
2115 #include <X11/Xaw/Simple.h>]],
2119 if test $emacs_cv_xaw = yes; then
2120 AC_MSG_RESULT([yes; using Lucid toolkit])
2123 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2124 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2126 AC_MSG_ERROR([No X toolkit could be found.
2127 If you are sure you want Emacs compiled without an X toolkit, pass
2129 to configure. Otherwise, install the development libraries for the toolkit
2130 that you want to use (e.g. Gtk+) and re-run configure.])
2135 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2138 if test "${USE_X_TOOLKIT}" != "none"; then
2139 AC_MSG_CHECKING(X11 toolkit version)
2140 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2141 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2142 [[#if XtSpecificationRelease < 6
2145 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2146 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2147 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2148 AC_MSG_RESULT(6 or newer)
2149 AC_DEFINE(HAVE_X11XTR6, 1,
2150 [Define to 1 if you have the X11R6 or newer version of Xt.])
2151 LIBXTR6="-lSM -lICE"
2153 ## Use libw.a along with X11R6 Xt.
2154 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2157 AC_MSG_RESULT(before 6)
2160 dnl If using toolkit, check whether libXmu.a exists.
2161 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2163 if test x$HAVE_X11XTR6 = xyes; then
2164 LIBS="-lXt -lSM -lICE $LIBS"
2168 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2169 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2173 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2174 dnl Why not just test for libxmu in the normal way?
2177 ## These systems don't supply Xmu.
2179 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2184 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2185 if test "${HAVE_X11}" = "yes"; then
2186 if test "${USE_X_TOOLKIT}" != "none"; then
2187 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2192 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2193 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2194 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2195 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2198 Motif version prior to 2.1.
2200 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2201 if test $emacs_cv_motif_version_2_1 = yes; then
2202 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2204 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2205 # We put this in CFLAGS temporarily to precede other -I options
2206 # that might be in CFLAGS temporarily.
2207 # We put this in CPPFLAGS where it precedes the other -I options.
2208 OLD_CPPFLAGS=$CPPFLAGS
2210 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2211 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2212 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2214 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2215 if test $emacs_cv_lesstif = yes; then
2216 # Make sure this -I option remains in CPPFLAGS after it is set
2217 # back to REAL_CPPFLAGS.
2218 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2219 # have those other -I options anyway. Ultimately, having this
2220 # directory ultimately in CPPFLAGS will be enough.
2221 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2222 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2225 CPPFLAGS=$OLD_CPPFLAGS
2228 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2229 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2232 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2233 dnl using Motif or Xaw3d is available, and unless
2234 dnl --with-toolkit-scroll-bars=no was specified.
2236 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2237 [Define to 1 if we should use toolkit scroll bars.])dnl
2238 USE_TOOLKIT_SCROLL_BARS=no
2239 if test "${with_toolkit_scroll_bars}" != "no"; then
2240 if test "${USE_X_TOOLKIT}" != "none"; then
2241 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2242 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2244 USE_TOOLKIT_SCROLL_BARS=yes
2245 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2246 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2247 USE_TOOLKIT_SCROLL_BARS=yes
2249 elif test "${HAVE_GTK}" = "yes"; then
2250 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2251 USE_TOOLKIT_SCROLL_BARS=yes
2252 elif test "${HAVE_NS}" = "yes"; then
2253 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2254 USE_TOOLKIT_SCROLL_BARS=yes
2258 dnl See if XIM is available.
2259 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2260 #include <X11/Xlib.h>
2261 #include <X11/Xresource.h>]],
2262 [[XIMProc callback;]])],
2264 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2267 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2269 if test "${with_xim}" != "no"; then
2270 AC_DEFINE(USE_XIM, 1,
2271 [Define to 1 if we should use XIM, if it is available.])
2275 if test "${HAVE_XIM}" != "no"; then
2277 if test "$GCC" = yes; then
2278 CFLAGS="$CFLAGS --pedantic-errors"
2280 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2281 #include <X11/Xlib.h>
2282 #include <X11/Xresource.h>]],
2288 XPointer *client_data;
2290 /* If we're not using GCC, it's probably not XFree86, and this is
2291 probably right, but we can't use something like --pedantic-errors. */
2292 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2293 char*, XIMProc, XPointer*);
2295 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2297 [emacs_cv_arg6_star=yes])
2298 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2299 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2300 either XPointer or XPointer*.])dnl
2301 if test "$emacs_cv_arg6_star" = yes; then
2302 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2304 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2309 ### Start of font-backend (under any platform) section.
2310 # (nothing here yet -- this is a placeholder)
2311 ### End of font-backend (under any platform) section.
2313 ### Start of font-backend (under X11) section.
2314 if test "${HAVE_X11}" = "yes"; then
2315 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2317 ## Use -lXft if available, unless `--with-xft=no'.
2319 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2322 if test "x${with_xft}" != "xno"; then
2324 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2325 ## Because xftfont.c uses XRenderQueryExtension, we also
2326 ## need to link to -lXrender.
2328 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2329 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2330 OLD_CPPFLAGS="$CPPFLAGS"
2331 OLD_CFLAGS="$CFLAGS"
2333 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2334 CFLAGS="$CFLAGS $XFT_CFLAGS"
2335 XFT_LIBS="-lXrender $XFT_LIBS"
2336 LIBS="$XFT_LIBS $LIBS"
2337 AC_CHECK_HEADER(X11/Xft/Xft.h,
2338 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2340 if test "${HAVE_XFT}" = "yes"; then
2341 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2343 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2345 CPPFLAGS="$OLD_CPPFLAGS"
2346 CFLAGS="$OLD_CFLAGS"
2348 fi # "${HAVE_XFT}" = "yes"
2349 fi # "$HAVE_XFT" != no
2350 fi # "x${with_xft}" != "xno"
2352 ## We used to allow building with FreeType and without Xft.
2353 ## However, the ftx font backend driver is not in good shape.
2354 if test "$HAVE_XFT" != "yes"; then
2355 dnl For the "Does Emacs use" message at the end.
2359 dnl Strict linkers fail with
2360 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2361 dnl if -lfreetype is not specified.
2362 dnl The following is needed to set FREETYPE_LIBS.
2363 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2366 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2370 if test "${HAVE_FREETYPE}" = "yes"; then
2371 AC_DEFINE(HAVE_FREETYPE, 1,
2372 [Define to 1 if using the freetype and fontconfig libraries.])
2373 if test "${with_libotf}" != "no"; then
2374 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2376 if test "$HAVE_LIBOTF" = "yes"; then
2377 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2378 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2379 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2380 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2381 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2382 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2383 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2387 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2388 dnl Does the new font backend require it, or can it work without it?
2392 if test "${HAVE_LIBOTF}" = yes; then
2393 if test "${with_m17n_flt}" != "no"; then
2394 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2395 if test "$HAVE_M17N_FLT" = "yes"; then
2396 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2407 ### End of font-backend (under X11) section.
2409 AC_SUBST(FREETYPE_CFLAGS)
2410 AC_SUBST(FREETYPE_LIBS)
2411 AC_SUBST(FONTCONFIG_CFLAGS)
2412 AC_SUBST(FONTCONFIG_LIBS)
2413 AC_SUBST(LIBOTF_CFLAGS)
2414 AC_SUBST(LIBOTF_LIBS)
2415 AC_SUBST(M17N_FLT_CFLAGS)
2416 AC_SUBST(M17N_FLT_LIBS)
2418 ### Use -lXpm if available, unless `--with-xpm=no'.
2421 if test "${HAVE_X11}" = "yes"; then
2422 if test "${with_xpm}" != "no"; then
2423 AC_CHECK_HEADER(X11/xpm.h,
2424 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2425 if test "${HAVE_XPM}" = "yes"; then
2426 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2427 AC_EGREP_CPP(no_return_alloc_pixels,
2428 [#include "X11/xpm.h"
2429 #ifndef XpmReturnAllocPixels
2430 no_return_alloc_pixels
2432 ], HAVE_XPM=no, HAVE_XPM=yes)
2434 if test "${HAVE_XPM}" = "yes"; then
2442 if test "${HAVE_XPM}" = "yes"; then
2443 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2449 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2452 if test "${HAVE_X11}" = "yes"; then
2453 if test "${with_jpeg}" != "no"; then
2454 dnl Checking for jpeglib.h can lose because of a redefinition of
2456 AC_CHECK_HEADER(jerror.h,
2457 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2460 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2461 if test "${HAVE_JPEG}" = "yes"; then
2462 AC_DEFINE(HAVE_JPEG)
2463 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2464 [#include <jpeglib.h>
2465 version=JPEG_LIB_VERSION
2467 [AC_DEFINE(HAVE_JPEG)],
2468 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2471 if test "${HAVE_JPEG}" = "yes"; then
2477 ### Use -lpng if available, unless `--with-png=no'.
2480 if test "${HAVE_X11}" = "yes"; then
2481 if test "${with_png}" != "no"; then
2482 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2483 # in /usr/include/libpng.
2484 AC_CHECK_HEADERS(png.h libpng/png.h)
2485 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2486 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2490 if test "${HAVE_PNG}" = "yes"; then
2491 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2492 LIBPNG="-lpng -lz -lm"
2497 ### Use -ltiff if available, unless `--with-tiff=no'.
2500 if test "${HAVE_X11}" = "yes"; then
2501 if test "${with_tiff}" != "no"; then
2502 AC_CHECK_HEADER(tiffio.h,
2504 # At least one tiff package requires the jpeg library.
2505 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2506 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2509 if test "${HAVE_TIFF}" = "yes"; then
2510 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2511 dnl FIXME -lz -lm, as per libpng?
2517 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2520 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2521 AC_CHECK_HEADER(gif_lib.h,
2522 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2523 # Earlier versions can crash Emacs.
2524 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2526 if test "$HAVE_GIF" = yes; then
2528 elif test "$HAVE_GIF" = maybe; then
2529 # If gif_lib.h but no libgif, try libungif.
2530 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2531 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2534 if test "${HAVE_GIF}" = "yes"; then
2535 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2540 dnl Check for required libraries.
2541 if test "${HAVE_X11}" = "yes"; then
2544 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2545 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2546 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2547 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2548 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2549 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2550 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2551 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2552 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2553 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2555 if test "X${MISSING}" != X; then
2556 AC_MSG_ERROR([The following required libraries were not found:
2558 Maybe some development libraries/packages are missing?
2559 If you don't want to link with them give
2561 as options to configure])
2565 ### Use -lgpm if available, unless `--with-gpm=no'.
2568 if test "${with_gpm}" != "no"; then
2569 AC_CHECK_HEADER(gpm.h,
2570 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2572 if test "${HAVE_GPM}" = "yes"; then
2573 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2579 dnl Check for malloc/malloc.h on darwin
2580 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.])])
2583 ### Use NeXTstep API to implement GUI.
2584 if test "${HAVE_NS}" = "yes"; then
2585 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2586 if test "${NS_IMPL_COCOA}" = "yes"; then
2587 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2589 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2590 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2591 # See also .m.o rule in Makefile.in */
2592 # FIXME: are all these flags really needed? Document here why. */
2593 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2594 ## Extra CFLAGS applied to src/*.m files.
2595 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2597 # We also have mouse menus.
2603 ### Use session management (-lSM -lICE) if available
2606 if test "${HAVE_X11}" = "yes"; then
2607 AC_CHECK_HEADER(X11/SM/SMlib.h,
2608 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2610 if test "${HAVE_X_SM}" = "yes"; then
2611 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2615 *) LIBS="$LIBXSM $LIBS" ;;
2621 ### Use libxml (-lxml2) if available
2623 if test "${with_xml2}" != "no"; then
2624 ### I'm not sure what the version number should be, so I just guessed.
2625 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2626 if test "${HAVE_LIBXML2}" = "yes"; then
2627 LIBS="$LIBXML2_LIBS $LIBS"
2628 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2629 if test "${HAVE_LIBXML2}" = "yes"; then
2630 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2637 AC_SUBST(LIBXML2_LIBS)
2638 AC_SUBST(LIBXML2_CFLAGS)
2640 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2641 AC_CACHE_CHECK(whether netdb declares h_errno,
2642 emacs_cv_netdb_declares_h_errno,
2643 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2644 [[return h_errno;]])],
2645 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2646 if test $emacs_cv_netdb_declares_h_errno = yes; then
2647 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2650 # fmod, logb, and frexp are found in -lm on most systems.
2651 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2652 AC_CHECK_LIB(m, sqrt)
2654 # Check for mail-locking functions in a "mail" library. Probably this should
2655 # have the same check as for liblockfile below.
2656 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2657 if test $have_mail = yes; then
2659 LIBS="$LIBS_MAIL $LIBS"
2660 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2664 dnl Debian, at least:
2665 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2666 if test $have_lockfile = yes; then
2667 LIBS_MAIL=-llockfile
2668 LIBS="$LIBS_MAIL $LIBS"
2669 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2671 # If we have the shared liblockfile, assume we must use it for mail
2672 # locking (e.g. Debian). If we couldn't link against liblockfile
2673 # (no liblockfile.a installed), ensure that we don't need to.
2674 dnl This works for files generally, not just executables.
2675 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2676 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2677 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2678 if test $ac_cv_prog_liblockfile = yes; then
2679 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2680 This probably means that movemail could lose mail.
2681 There may be a `development' package to install containing liblockfile.])
2684 AC_CHECK_FUNCS(touchlock)
2685 AC_CHECK_HEADERS(maillock.h)
2688 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2689 ## interlock access to the mail spool. The alternative is a lock file named
2690 ## /usr/spool/mail/$USER.lock.
2693 aix4-2) mail_lock="lockf" ;;
2695 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2697 ## On GNU/Linux systems, both methods are used by various mail programs.
2698 ## I assume most people are using newer mailers that have heard of flock.
2699 ## Change this if you need to.
2700 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2701 ## configure gets the right answers, and that means *NOT* using flock.
2702 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2703 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2704 ## Debian maintainer hasn't provided a clean fix for Emacs.
2705 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2706 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2707 ## correct logic. -- fx
2708 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2709 ## liblockfile is a Free Software replacement for libmail, used on
2710 ## Debian systems and elsewhere. -rfr.
2713 if test $have_mail = yes || test $have_lockfile = yes; then
2714 test $ac_cv_header_maillock_h = yes && mail_lock=no
2720 case "$mail_lock" in
2721 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2723 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2725 *) BLESSMAIL_TARGET="need-blessmail" ;;
2727 AC_SUBST(BLESSMAIL_TARGET)
2730 AC_CHECK_FUNCS(gethostname getdomainname \
2731 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2732 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2733 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2734 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2735 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2736 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2737 gai_strerror mkstemp getline getdelim mremap fsync sync \
2738 difftime mempcpy mblen mbrlen posix_memalign \
2739 getpwent endpwent getgrent endgrent \
2740 cfmakeraw cfsetspeed copysign __executable_start)
2742 dnl Cannot use AC_CHECK_FUNCS
2743 AC_CACHE_CHECK([for __builtin_unwind_init],
2744 emacs_cv_func___builtin_unwind_init,
2745 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2746 emacs_cv_func___builtin_unwind_init=yes,
2747 emacs_cv_func___builtin_unwind_init=no)])
2748 if test $emacs_cv_func___builtin_unwind_init = yes; then
2749 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2750 [Define to 1 if you have the `__builtin_unwind_init' function.])
2753 AC_CHECK_HEADERS(sys/un.h)
2760 AC_CHECK_FUNCS(grantpt)
2762 # PTY-related GNU extensions.
2763 AC_CHECK_FUNCS(getpt)
2765 # Check this now, so that we will NOT find the above functions in ncurses.
2766 # That is because we have not set up to link ncurses in lib-src.
2767 # It's better to believe a function is not available
2768 # than to expect to find it in ncurses.
2769 # Also we need tputs and friends to be able to build at all.
2770 AC_MSG_CHECKING([for library containing tputs])
2771 # Run a test program that contains a call to tputs, a call that is
2772 # never executed. This tests whether a pre-'main' dynamic linker
2773 # works with the library. It's too much trouble to actually call
2774 # tputs in the test program, due to portability hassles. When
2775 # cross-compiling, assume the test program will run if it links.
2776 AC_DEFUN([tputs_link_source], [
2778 [[extern void tputs (const char *, int, int (*)(int));
2779 int main (int argc, char **argv)
2782 tputs (argv[0], 0, 0);
2786 # Maybe curses should be tried earlier?
2787 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2788 for tputs_library in '' ncurses terminfo termcap curses; do
2790 if test -z "$tputs_library"; then
2794 LIBS_TERMCAP=-l$tputs_library
2796 LIBS="$LIBS_TERMCAP $LIBS"
2798 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2799 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2801 if test "X$msg" != Xno; then
2805 AC_MSG_RESULT([$msg])
2806 if test "X$msg" = Xno; then
2807 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2808 These libraries were tried: libncurses, libterminfo, libtermcap, libcurses.
2809 Please try installing whichever of these libraries is most appropriate
2810 for your system, together with its header files.
2811 For example, a libncurses-dev(el) or similar package.])
2813 # Must define this when any termcap library is found.
2814 AC_DEFINE(HAVE_LIBNCURSES, 1,
2815 [Define to 1 if you have the `ncurses' library (-lncurses).])
2816 ## FIXME This was the cpp logic, but I am not sure it is right.
2817 ## The above test has not necessarily found libncurses.
2820 ## Use terminfo instead of termcap?
2821 ## Note only system files NOT using terminfo are:
2822 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2823 ## darwin|gnu without ncurses.
2826 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2827 ## hpux10-20: Use the system provided termcap(3) library.
2828 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2829 ## is necessary. Otherwise Emacs dumps core when run -nw.
2830 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2832 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2833 ## The ncurses library has been moved out of the System framework in
2834 ## Mac OS X 10.2. So if configure detects it, set the command-line
2835 ## option to use it.
2837 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2838 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2840 LIBS_TERMCAP="-lncurses"
2845 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2846 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2847 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2848 [[#if __FreeBSD_version < 400000
2851 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2853 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2855 if test $emacs_cv_freebsd_terminfo = yes; then
2857 LIBS_TERMCAP="-lncurses"
2859 LIBS_TERMCAP="-ltermcap"
2864 if test $ac_cv_search_tputs = -lterminfo; then
2866 LIBS_TERMCAP="-lterminfo"
2868 LIBS_TERMCAP="-ltermcap"
2875 ## hpux: Make sure we get select from libc rather than from libcurses
2876 ## because libcurses on HPUX 10.10 has a broken version of select.
2877 ## We used to use -lc -lcurses, but this may be cleaner.
2878 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2880 openbsd) LIBS_TERMCAP="-lncurses" ;;
2882 ## Must use system termcap, if we use any termcap. It does special things.
2883 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2886 TERMCAP_OBJ=tparam.o
2887 if test $TERMINFO = yes; then
2888 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2889 TERMCAP_OBJ=terminfo.o
2891 AC_SUBST(LIBS_TERMCAP)
2892 AC_SUBST(TERMCAP_OBJ)
2895 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2897 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2898 #include <arpa/nameser.h>
2899 #include <resolv.h>]],
2900 [[return res_init();]])],
2901 have_res_init=yes, have_res_init=no)
2902 if test "$have_res_init" = no; then
2904 LIBS="$LIBS -lresolv"
2905 AC_MSG_CHECKING(for res_init with -lresolv)
2906 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2907 #include <arpa/nameser.h>
2908 #include <resolv.h>]],
2909 [[return res_init();]])],
2910 have_res_init=yes, have_res_init=no)
2911 AC_MSG_RESULT($have_res_init)
2912 if test "$have_res_init" = yes ; then
2918 if test "$have_res_init" = yes; then
2919 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2922 # Do we need the Hesiod library to provide the support routines?
2924 if test "$with_hesiod" != no ; then
2925 # Don't set $LIBS here -- see comments above. FIXME which comments?
2926 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2927 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2928 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2929 if test "$resolv" = yes ; then
2934 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2935 hesiod=yes, :, $RESOLVLIB)])
2937 if test x"$hesiod" = xyes; then
2938 AC_DEFINE(HAVE_LIBHESIOD, 1,
2939 [Define to 1 if you have the hesiod library (-lhesiod).])
2945 # Do we need libresolv (due to res_init or Hesiod)?
2946 if test "$resolv" = yes ; then
2947 AC_DEFINE(HAVE_LIBRESOLV, 1,
2948 [Define to 1 if you have the resolv library (-lresolv).])
2955 # These tell us which Kerberos-related libraries to use.
2962 if test "${with_kerberos}" != no; then
2963 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2964 if test $have_com_err = yes; then
2965 COM_ERRLIB=-lcom_err
2966 LIBS="$COM_ERRLIB $LIBS"
2967 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2969 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2970 if test $have_crypto = yes; then
2972 LIBS="$CRYPTOLIB $LIBS"
2973 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2975 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2976 if test $have_k5crypto = yes; then
2977 CRYPTOLIB=-lk5crypto
2978 LIBS="$CRYPTOLIB $LIBS"
2979 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2981 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2982 if test $have_krb5=yes; then
2984 LIBS="$KRB5LIB $LIBS"
2985 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2987 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2988 if test "${with_kerberos5}" = no; then
2989 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2990 if test $have_des425 = yes; then
2992 LIBS="$DESLIB $LIBS"
2993 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2995 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2996 if test $have_des = yes; then
2998 LIBS="$DESLIB $LIBS"
2999 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3002 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3003 if test $have_krb4 = yes; then
3005 LIBS="$KRB4LIB $LIBS"
3006 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3008 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3009 if test $have_krb = yes; then
3011 LIBS="$KRB4LIB $LIBS"
3012 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3017 if test "${with_kerberos5}" != no; then
3018 AC_CHECK_HEADERS(krb5.h,
3019 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3020 [#include <krb5.h>])])
3022 AC_CHECK_HEADERS(des.h,,
3023 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3024 [AC_CHECK_HEADERS(kerberos/des.h)])])
3025 AC_CHECK_HEADERS(krb.h,,
3026 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3027 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3029 AC_CHECK_HEADERS(com_err.h)
3032 AC_SUBST(COM_ERRLIB)
3038 AC_MSG_CHECKING(whether localtime caches TZ)
3039 AC_CACHE_VAL(emacs_cv_localtime_cache,
3040 [if test x$ac_cv_func_tzset = xyes; then
3041 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3042 char TZ_GMT0[] = "TZ=GMT0";
3043 char TZ_PST8[] = "TZ=PST8";
3046 time_t now = time ((time_t *) 0);
3047 int hour_GMT0, hour_unset;
3048 if (putenv (TZ_GMT0) != 0)
3050 hour_GMT0 = localtime (&now)->tm_hour;
3052 hour_unset = localtime (&now)->tm_hour;
3053 if (putenv (TZ_PST8) != 0)
3055 if (localtime (&now)->tm_hour == hour_GMT0)
3058 if (localtime (&now)->tm_hour != hour_unset)
3061 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3062 [# If we have tzset, assume the worst when cross-compiling.
3063 emacs_cv_localtime_cache=yes])
3065 # If we lack tzset, report that localtime does not cache TZ,
3066 # since we can't invalidate the cache if we don't have tzset.
3067 emacs_cv_localtime_cache=no
3069 AC_MSG_RESULT($emacs_cv_localtime_cache)
3070 if test $emacs_cv_localtime_cache = yes; then
3071 AC_DEFINE(LOCALTIME_CACHE, 1,
3072 [Define to 1 if localtime caches TZ.])
3075 if test "x$HAVE_TIMEVAL" = xyes; then
3076 AC_CHECK_FUNCS(gettimeofday)
3077 if test $ac_cv_func_gettimeofday = yes; then
3078 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3079 emacs_cv_gettimeofday_two_arguments,
3080 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3081 #ifdef TIME_WITH_SYS_TIME
3082 #include <sys/time.h>
3085 #ifdef HAVE_SYS_TIME_H
3086 #include <sys/time.h>
3091 [[struct timeval time;
3092 gettimeofday (&time, 0);]])],
3093 emacs_cv_gettimeofday_two_arguments=yes,
3094 emacs_cv_gettimeofday_two_arguments=no)])
3095 if test $emacs_cv_gettimeofday_two_arguments = no; then
3096 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3097 [Define to 1 if gettimeofday accepts only one argument.])
3103 AC_CHECK_FUNC(socket, , ok_so_far=no)
3104 if test $ok_so_far = yes; then
3105 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3107 if test $ok_so_far = yes; then
3108 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3110 if test $ok_so_far = yes; then
3111 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3112 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3113 [Define to 1 if you have inet sockets.])
3116 if test -f /usr/lpp/X11/bin/smt.exp; then
3117 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3118 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3121 AC_MSG_CHECKING(whether system supports dynamic ptys)
3122 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3124 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3131 AC_CHECK_FUNCS(snprintf)
3133 dnl Adapted from Haible's version.
3134 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3135 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3136 [[char* cs = nl_langinfo(CODESET);]])],
3137 emacs_cv_langinfo_codeset=yes,
3138 emacs_cv_langinfo_codeset=no)
3140 if test $emacs_cv_langinfo_codeset = yes; then
3141 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3142 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3147 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3148 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3149 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3150 if test "$emacs_cv_c_restrict_arr" = yes; then
3151 AC_DEFINE(__restrict_arr, __restrict,
3152 [Define to compiler's equivalent of C99 restrict keyword in array
3153 declarations. Define as empty for no equivalent.])
3156 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3157 dnl how the tty code is related to POSIX and/or other versions of termios.
3158 dnl The following looks like a useful start.
3160 dnl AC_SYS_POSIX_TERMIOS
3161 dnl if test $ac_cv_sys_posix_termios = yes; then
3162 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3163 dnl and macros for terminal control.])
3164 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3167 # Set up the CFLAGS for real compilation, so we can substitute it.
3168 CFLAGS="$REAL_CFLAGS"
3169 CPPFLAGS="$REAL_CPPFLAGS"
3171 ## Hack to detect a buggy GCC version.
3172 if test "x$GCC" = xyes \
3173 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3174 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3175 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3176 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3179 version=$PACKAGE_VERSION
3181 ### Specify what sort of things we'll be editing into Makefile and config.h.
3182 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3184 AC_SUBST(configuration)
3189 AC_SUBST(exec_prefix)
3192 AC_SUBST(sharedstatedir)
3193 AC_SUBST(libexecdir)
3197 AC_SUBST(locallisppath)
3199 AC_SUBST(x_default_search_path)
3201 AC_SUBST(archlibdir)
3206 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3207 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3208 ## end of LIBX_BASE, but nothing ever set it.
3209 AC_SUBST(LD_SWITCH_X_SITE)
3210 AC_SUBST(C_SWITCH_X_SITE)
3211 AC_SUBST(GNUSTEP_CFLAGS)
3213 ## Used in lwlib/Makefile.in.
3214 AC_SUBST(X_TOOLKIT_TYPE)
3215 if test -n "${machfile}"; then
3216 M_FILE="\$(srcdir)/${machfile}"
3220 S_FILE="\$(srcdir)/${opsysfile}"
3224 AC_SUBST(ns_appbindir)
3225 AC_SUBST(ns_appresdir)
3227 AC_SUBST(GNU_OBJC_CFLAGS)
3228 AC_SUBST(OTHER_FILES)
3230 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3231 [Define to the canonical Emacs configuration name.])
3232 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3233 [Define to the options passed to configure.])
3234 if test -n "$machfile"; then
3235 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3236 [Define to the used machine dependent file.])
3238 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3239 [Define to the used os dependent file.])
3244 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3245 AC_DEFINE(HAVE_X_WINDOWS, 1,
3246 [Define to 1 if you want to use the X window system.])
3248 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3250 if test "$HAVE_XFT" = "yes"; then
3251 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3252 elif test "$HAVE_FREETYPE" = "yes"; then
3253 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3263 if test "${USE_X_TOOLKIT}" != "none" ; then
3265 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3266 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3267 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3268 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3269 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3273 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3274 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3278 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3279 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3280 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3284 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3285 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3288 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3291 AC_SUBST(WIDGET_OBJ)
3294 case "$USE_X_TOOLKIT" in
3295 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3296 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3297 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3299 AC_SUBST(TOOLKIT_LIBW)
3301 if test "$USE_X_TOOLKIT" = "none"; then
3302 LIBXT_OTHER="\$(LIBXSM)"
3303 OLDXMENU_TARGET="really-oldXMenu"
3305 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3306 OLDXMENU_TARGET="really-lwlib"
3308 AC_SUBST(LIBXT_OTHER)
3310 ## The X Menu stuff is present in the X10 distribution, but missing
3311 ## from X11. If we have X10, just use the installed library;
3312 ## otherwise, use our own copy.
3313 if test "${HAVE_X11}" = "yes" ; then
3314 AC_DEFINE(HAVE_X11, 1,
3315 [Define to 1 if you want to use version 11 of X windows.
3316 Otherwise, Emacs expects to use version 10.])
3318 if test "$USE_X_TOOLKIT" = "none"; then
3319 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3321 OLDXMENU="\${lwlibdir}/liblw.a"
3323 LIBXMENU="\$(OLDXMENU)"
3324 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3325 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3327 ## For a syntactically valid Makefile; not actually used for anything.
3328 ## See comments in src/Makefile.in.
3330 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3331 if test "${HAVE_X_WINDOWS}" = "yes"; then
3340 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3347 AC_SUBST(OLDXMENU_TARGET)
3350 AC_SUBST(LIBX_OTHER)
3351 AC_SUBST(OLDXMENU_DEPS)
3353 if test "${HAVE_MENUS}" = "yes" ; then
3354 AC_DEFINE(HAVE_MENUS, 1,
3355 [Define to 1 if you have mouse menus.
3356 (This is automatic if you use X, but the option to specify it remains.)
3357 It is also defined with other window systems that support xmenu.c.])
3360 if test "${GNU_MALLOC}" = "yes" ; then
3361 AC_DEFINE(GNU_MALLOC, 1,
3362 [Define to 1 if you want to use the GNU memory allocator.])
3366 if test "${REL_ALLOC}" = "yes" ; then
3367 AC_DEFINE(REL_ALLOC, 1,
3368 [Define REL_ALLOC if you want to use the relocating allocator for
3371 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3373 AC_SUBST(RALLOC_OBJ)
3375 if test "$opsys" = "cygwin"; then
3376 CYGWIN_OBJ="sheap.o"
3377 ## Cygwin differs because of its unexec().
3379 POST_ALLOC_OBJ=lastfile.o
3382 PRE_ALLOC_OBJ=lastfile.o
3385 AC_SUBST(CYGWIN_OBJ)
3386 AC_SUBST(PRE_ALLOC_OBJ)
3387 AC_SUBST(POST_ALLOC_OBJ)
3389 # Configure gnulib here, now that we know LIBS.
3390 gl_ASSERT_NO_GNULIB_POSIXCHECK
3391 gl_ASSERT_NO_GNULIB_TESTS
3395 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3398 ## The -headerpad option tells ld (see man page) to leave room at the
3399 ## end of the header for adding load commands. Needed for dumping.
3400 ## 0x690 is the total size of 30 segment load commands (at 56
3401 ## each); under Cocoa 31 commands are required.
3402 if test "$HAVE_NS" = "yes"; then
3403 libs_nsgui="-framework AppKit"
3409 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3411 ## This is here because src/Makefile.in did some extra fiddling around
3412 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3413 ## #ifndef LD_SWITCH_SYSTEM
3414 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3415 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3416 ## not using gcc, darwin system not on an alpha (ie darwin, since
3417 ## darwin + alpha does not occur).
3418 ## Because this was done in src/Makefile.in, the resulting part of
3419 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3420 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3421 ## rather than LD_SWITCH_SYSTEM.
3422 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3423 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3426 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3427 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3428 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3429 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3430 ## had different values in configure (in ac_link) and src/Makefile.in.
3431 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3432 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3434 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3437 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3438 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3441 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3447 ## gnu: GNU needs its own crt0.
3448 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3450 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3451 ## library search parth, i.e. it won't search /usr/lib for libc and
3452 ## friends. Using -nostartfiles instead avoids this problem, and
3453 ## will also work on earlier NetBSD releases.
3454 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3456 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3457 ## MkLinux/LinuxPPC needs this.
3458 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3461 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3467 if test "x$ORDINARY_LINK" = "xyes"; then
3470 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3472 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3473 ## freebsd, gnu-* not on macppc|ibms390x.
3474 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3476 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3477 ## places that are difficult to figure out at make time. Fortunately,
3478 ## these same versions allow you to pass arbitrary flags on to the
3479 ## linker, so there is no reason not to use it as a linker.
3481 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3482 ## searching for libraries in its internal directories, so we have to
3483 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3484 LD_FIRSTFLAG="-nostdlib"
3487 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3488 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3490 AC_SUBST(LD_FIRSTFLAG)
3493 ## FIXME? The logic here is not precisely the same as that above.
3494 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3495 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3497 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3500 freebsd|netbsd|openbsd) LIB_GCC= ;;
3503 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3504 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3510 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3511 ## immediately undefine it again and redefine it to empty.
3512 ## Was the C_SWITCH_X_SITE part really necessary?
3513 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3519 ## Ask GCC where to find libgcc.a.
3520 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3526 ## If we're using X11/GNUstep, define some consequences.
3527 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3528 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3529 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3533 AH_TOP([/* GNU Emacs site configuration template file.
3535 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3536 Free Software Foundation, Inc.
3538 This file is part of GNU Emacs.
3540 GNU Emacs is free software: you can redistribute it and/or modify
3541 it under the terms of the GNU General Public License as published by
3542 the Free Software Foundation, either version 3 of the License, or
3543 (at your option) any later version.
3545 GNU Emacs is distributed in the hope that it will be useful,
3546 but WITHOUT ANY WARRANTY; without even the implied warranty of
3547 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3548 GNU General Public License for more details.
3550 You should have received a copy of the GNU General Public License
3551 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3554 /* No code in Emacs #includes config.h twice, but some bits of code
3555 intended to work with other packages as well (like gmalloc.c)
3556 think they can include it as many times as they like. */
3557 #ifndef EMACS_CONFIG_H
3558 #define EMACS_CONFIG_H
3562 /* On AIX 3 this must be included before any other include file. */
3565 # error "alloca not available on this machine"
3568 /* Define AMPERSAND_FULL_NAME if you use the convention
3569 that & in the full name stands for the login id. */
3570 /* Turned on June 1996 supposing nobody will mind it. */
3571 #define AMPERSAND_FULL_NAME
3573 /* `subprocesses' should be defined if you want to
3574 have code for asynchronous subprocesses
3575 (as used in M-x compile and M-x shell).
3576 Only MSDOS does not support this (it overrides
3577 this in its config_opsysfile below). */
3579 #define subprocesses
3581 /* Include the os and machine dependent files. */
3582 #include config_opsysfile
3583 #ifdef config_machfile
3584 # include config_machfile
3587 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3588 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3589 (There is probably a better place to do this, but right now the
3590 Cocoa side does this in s/darwin.h and we cannot parallel this
3591 exactly since GNUstep is multi-OS. */
3592 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3593 # define SYSTEM_PURESIZE_EXTRA 30000
3596 #ifdef emacs /* Don't do this for lib-src. */
3597 /* Tell regex.c to use a type compatible with Emacs. */
3598 #define RE_TRANSLATE_TYPE Lisp_Object
3599 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3601 /* If make_number is a macro, use it. */
3602 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3604 /* If make_number is a function, avoid it. */
3605 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3609 /* These default definitions are good for almost all machines.
3610 Any exceptions should override them in m/MACHINE.h.
3611 They must be usable in preprocessor conditionals. */
3613 #ifndef BITS_PER_CHAR
3614 #define BITS_PER_CHAR 8
3617 #ifndef BITS_PER_SHORT
3618 #define BITS_PER_SHORT 16
3621 #ifndef BITS_PER_INT
3622 #define BITS_PER_INT 32
3625 #ifndef BITS_PER_LONG
3627 #define BITS_PER_LONG 64
3629 #define BITS_PER_LONG 32
3633 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3634 #define BITS_PER_LONG_LONG 64
3637 /* Define if the compiler supports function prototypes. It may do so but
3638 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3644 #if defined __GNUC__ && (__GNUC__ > 2 \
3645 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3646 #define NO_RETURN __attribute__ ((__noreturn__))
3648 #define NO_RETURN /* nothing */
3651 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3652 #define NO_INLINE __attribute__((noinline))
3657 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3658 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3660 #define EXTERNALLY_VISIBLE
3663 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3664 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3666 # define ATTRIBUTE_FORMAT(spec) /* empty */
3669 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3670 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3671 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3673 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3674 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3677 /* Some versions of GNU/Linux define noinline in their headers. */
3682 /* These won't be used automatically yet. We also need to know, at least,
3683 that the stack is continuous. */
3685 # ifndef GC_SETJMP_WORKS
3686 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3687 # define GC_SETJMP_WORKS 1
3691 #endif /* EMACS_CONFIG_H */
3700 #### Report on what we decided to do.
3701 #### Report GTK as a toolkit, even if it doesn't use Xt.
3702 #### It makes printing result more understandable as using GTK sets
3703 #### toolkit_scroll_bars to yes by default.
3704 if test "${HAVE_GTK}" = "yes"; then
3709 if test -n "$machfile"; then
3710 and_machfile=" and \`${machfile}'"
3714 Configured for \`${canonical}'.
3716 Where should the build process find the source code? ${srcdir}
3717 What operating system and machine description files should Emacs use?
3718 \`${opsysfile}'${and_machfile}
3719 What compiler should emacs be built with? ${CC} ${CFLAGS}
3720 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3721 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3722 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3723 What window system should Emacs use? ${window_system}
3724 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3726 if test -n "${x_includes}"; then
3727 echo " Where do we find X Windows header files? ${x_includes}"
3729 echo " Where do we find X Windows header files? Standard dirs"
3731 if test -n "${x_libraries}"; then
3732 echo " Where do we find X Windows libraries? ${x_libraries}"
3734 echo " Where do we find X Windows libraries? Standard dirs"
3737 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3738 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3739 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3740 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3741 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3742 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3743 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3744 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3746 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3747 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3748 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3749 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3750 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3751 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3752 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3754 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3755 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3756 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3757 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3759 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3762 if test -n "${EMACSDATA}"; then
3763 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3765 if test -n "${EMACSDOC}"; then
3766 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3769 if test $USE_XASSERTS = yes; then
3770 echo " Compiling with asserts turned on."
3771 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3776 if test "$HAVE_NS" = "yes"; then
3778 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3779 The installed application will go to nextstep/Emacs.app and can be
3780 run or moved from there."
3781 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3782 echo "The application will be fully self-contained."
3784 echo "The lisp resources for the application will be installed under ${prefix}.
3785 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3786 to run if these resources are not installed."
3791 if test "${opsys}" = "cygwin"; then
3793 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3799 # Remove any trailing slashes in these variables.
3800 [test "${prefix}" != NONE &&
3801 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3802 test "${exec_prefix}" != NONE &&
3803 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3805 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3806 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3807 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3808 dnl (else you get "no `Makefile.am' found for any configure output").
3809 dnl This will work, but you get a config.status that is not quite right
3810 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3811 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3812 dnl it seems better to just live with the duplication.
3813 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"
3815 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3816 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3817 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3820 dnl test/ is not present in release tarfiles.
3821 opt_makefile=test/automated/Makefile
3823 if test -f $srcdir/${opt_makefile}.in; then
3824 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3825 dnl Again, it's best not to use a variable. Though you can add
3826 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3827 AC_CONFIG_FILES([test/automated/Makefile])
3831 dnl admin/ may or may not be present.
3832 opt_makefile=admin/unidata/Makefile
3834 if test -f $srcdir/${opt_makefile}.in; then
3835 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3836 AC_CONFIG_FILES([admin/unidata/Makefile])
3840 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3842 AC_SUBST(SUBDIR_MAKEFILES_IN)
3844 dnl Make the necessary directories, if they don't exist.
3845 AC_CONFIG_COMMANDS([mkdirs], [
3846 for dir in etc lisp ; do
3847 test -d ${dir} || mkdir ${dir}
3851 dnl You might wonder (I did) why epaths.h is generated by running make,
3852 dnl rather than just letting configure generate it from epaths.in.
3853 dnl One reason is that the various paths are not fully expanded (see above);
3854 dnl eg gamedir=${prefix}/var/games/emacs.
3855 dnl Secondly, the GNU Coding standards require that one should be able
3856 dnl to run `make prefix=/some/where/else' and override the values set
3857 dnl by configure. This also explains the `move-if-change' test and
3858 dnl the use of force in the `epaths-force' rule in Makefile.in.
3859 AC_CONFIG_COMMANDS([epaths], [
3860 echo creating src/epaths.h
3861 ${MAKE-make} epaths-force
3862 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3864 AC_CONFIG_COMMANDS([gdbinit], [
3865 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3866 echo creating src/.gdbinit
3867 echo source $srcdir/src/.gdbinit > src/.gdbinit
3873 dnl configure.in ends here