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 AC_ARG_ENABLE([gcc-warnings],
690 [AS_HELP_STRING([--enable-gcc-warnings],
691 [turn on lots of GCC warnings (for developers)])],
694 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
696 gl_gcc_warnings=$enableval],
700 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
701 # ------------------------------------------------
702 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
703 # Otherwise, run RUN-IF-NOT-FOUND.
704 AC_DEFUN([gl_GCC_VERSION_IFELSE],
708 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
711 # error "your version of gcc is older than $1.$2"
718 # When compiling with GCC, prefer -isystem to -I when including system
719 # include files, to avoid generating useless diagnostics for the files.
720 if test "$gl_gcc_warnings" != yes; then
725 # This, $nw, is the list of warnings we disable.
728 case $with_x_toolkit in
729 lucid | athena | motif)
730 # Old toolkits mishandle 'const'.
731 nw="$nw -Wwrite-strings"
734 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
737 AC_SUBST([WERROR_CFLAGS])
739 nw="$nw -Waggregate-return" # anachronistic
740 nw="$nw -Wlong-long" # C90 is anachronistic (lib/gethrxtime.h)
741 nw="$nw -Wc++-compat" # We don't care about C++ compilers
742 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
743 nw="$nw -Wtraditional" # Warns on #elif which we use often
744 nw="$nw -Wcast-qual" # Too many warnings for now
745 nw="$nw -Wconversion" # Too many warnings for now
746 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
747 nw="$nw -Wsign-conversion" # Too many warnings for now
748 nw="$nw -Woverlength-strings" # Not a problem these days
749 nw="$nw -Wtraditional-conversion" # Too many warnings for now
750 nw="$nw -Wpadded" # Our structs are not padded
751 nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc.
752 nw="$nw -Wlogical-op" # any use of fwrite provokes this
753 nw="$nw -Wformat-nonliteral" # Emacs does this a lot
754 nw="$nw -Wvla" # warnings in gettext.h
755 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
756 nw="$nw -Wswitch-enum" # Too many warnings for now
757 nw="$nw -Wswitch-default" # Too many warnings for now
758 nw="$nw -Wfloat-equal" # e.g., ftoastr.c
759 nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p
761 # Emacs doesn't care about shadowing; see
762 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
765 # The following lines should be removable at some point.
766 nw="$nw -Wstack-protector"
767 nw="$nw -Wstrict-overflow"
768 nw="$nw -Wsuggest-attribute=const"
769 nw="$nw -Wsuggest-attribute=pure"
771 gl_MANYWARN_ALL_GCC([ws])
772 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
776 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
777 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
778 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
779 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
780 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
781 gl_WARN_ADD([-Wno-format-nonliteral])
783 # In spite of excluding -Wlogical-op above, it is enabled, as of
784 # gcc 4.5.0 20090517.
785 gl_WARN_ADD([-Wno-logical-op])
787 gl_WARN_ADD([-fdiagnostics-show-option])
788 gl_WARN_ADD([-funit-at-a-time])
790 AC_SUBST([WARN_CFLAGS])
792 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
793 AC_DEFINE([_FORTIFY_SOURCE], [2],
794 [enable compile-time and run-time bounds-checking, and some warnings])
795 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
797 # We use a slightly smaller set of warning options for lib/.
798 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
800 nw="$nw -Wunused-macros"
802 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
803 AC_SUBST([GNULIB_WARN_CFLAGS])
808 #### Some other nice autoconf tests.
810 dnl checks for programs
813 if test "x$RANLIB" = x; then
817 ## Although we're running on an amd64 kernel, we're actually compiling for
818 ## the x86 architecture. The user should probably have provided an
819 ## explicit --build to `configure', but if everything else than the kernel
820 ## is running in i386 mode, we can help them out.
821 if test "$machine" = "amdx86-64"; then
822 AC_CHECK_DECL([i386])
823 if test "$ac_cv_have_decl_i386" = "yes"; then
824 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
826 machfile="m/${machine}.h"
830 AC_PATH_PROG(INSTALL_INFO, install-info)
831 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
832 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
833 dnl Don't use GZIP, which is used by gzip for additional parameters.
834 AC_PATH_PROG(GZIP_PROG, gzip)
837 ## Need makeinfo >= 4.7 (?) to build the manuals.
838 AC_PATH_PROG(MAKEINFO, makeinfo, no)
839 dnl By this stage, configure has already checked for egrep and set EGREP,
840 dnl or exited with an error if no egrep was found.
841 if test "$MAKEINFO" != "no" && \
842 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
846 ## Makeinfo is unusual. For a released Emacs, the manuals are
847 ## pre-built, and not deleted by the normal clean rules. makeinfo is
848 ## therefore in the category of "special tools" not normally required, which
849 ## configure does not have to check for (eg autoconf itself).
850 ## In a Bazaar checkout on the other hand, the manuals are not included.
851 ## So makeinfo is a requirement to build from Bazaar, and configure
852 ## should test for it as it does for any other build requirement.
853 ## We use the presence of $srcdir/info/emacs to distinguish a release,
854 ## with pre-built manuals, from a Bazaar checkout.
857 if test "$MAKEINFO" = "no"; then
859 if test "x${with_makeinfo}" = "xno"; then
861 elif test ! -e $srcdir/info/emacs; then
862 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
863 source tree does not seem to have pre-built manuals in the `info' directory.
864 Either install a suitable version of makeinfo, or re-run configure
865 with the `--without-makeinfo' option to build without the manuals.] )
868 AC_SUBST(HAVE_MAKEINFO)
870 dnl Add our options to ac_link now, after it is set up.
872 if test x$GCC = xyes; then
873 test "x$GCC_LINK_TEST_OPTIONS" != x && \
874 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
876 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
877 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
880 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
881 dnl If we can link with the flag, it shouldn't do any harm anyhow.
882 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
883 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
884 dnl if not built to support GNU ld.
886 late_LDFLAGS=$LDFLAGS
887 if test x$GCC = xyes; then
888 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
890 LDFLAGS="$LDFLAGS -znocombreloc"
893 AC_MSG_CHECKING([for -znocombreloc])
894 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
895 [AC_MSG_RESULT(yes)],
896 LDFLAGS=$late_LDFLAGS
900 # The value of CPP is a quoted variable reference, so we need to do this
901 # to get its actual value...
902 CPP=`eval "echo $CPP"`
905 dnl The function dump-emacs will not be defined and temacs will do
906 dnl (load "loadup") automatically unless told otherwise.
907 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
909 your-opsys-here) CANNOT_DUMP=yes ;;
912 test "$CANNOT_DUMP" = "yes" && \
913 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
915 AC_SUBST(CANNOT_DUMP)
920 # MSDOS uses unexcoff.o
921 # MSWindows uses unexw32.o
929 UNEXEC_OBJ=unexmacosx.o
932 UNEXEC_OBJ=unexhp9k800.o
935 # Use the Solaris dldump() function, called from unexsol.c, to dump
936 # emacs, instead of the generic ELF dump code found in unexelf.c.
937 # The resulting binary has a complete symbol table, and is better
938 # for debugging and other observability tools (debuggers, pstack, etc).
940 # If you encounter a problem using dldump(), please consider sending
941 # a message to the OpenSolaris tools-linking mailing list:
942 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
944 # It is likely that dldump() works with older Solaris too, but this has
945 # not been tested, so for now this change is for Solaris 10 or newer.
953 ## Let `ld' find image libs and similar things in /usr/local/lib.
954 ## The system compiler, GCC, has apparently been modified to not
955 ## look there, contrary to what a stock GCC would do.
956 LD_SWITCH_SYSTEM=-L/usr/local/lib
960 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
961 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
965 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
969 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
970 ## otherwise Emacs dumps core on elf systems.
971 LD_SWITCH_SYSTEM="-Z"
974 AC_SUBST(LD_SWITCH_SYSTEM)
976 ac_link="$ac_link $LD_SWITCH_SYSTEM"
978 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
979 ## which has not been defined yet. When this was handled with cpp,
980 ## it was expanded to null when configure sourced the s/*.h file.
981 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
982 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
983 ## (or somesuch), but because it is supposed to go at the _front_
984 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
985 ## Compare with the gnu-linux case below, which added to the end
986 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
987 ## LD_SWITCH_SYSTEM_TEMACS.
990 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
991 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
996 if test "$machine" = "alpha"; then
997 AC_CHECK_DECL([__ELF__])
998 if test "$ac_cv_have_decl___ELF__" = "yes"; then
999 ## With ELF, make sure that all common symbols get allocated to in the
1000 ## data section. Otherwise, the dump of temacs may miss variables in
1001 ## the shared library that have been initialized. For example, with
1002 ## GNU libc, __malloc_initialized would normally be resolved to the
1003 ## shared library's .bss section, which is fatal.
1004 if test "x$GCC" = "xyes"; then
1005 C_SWITCH_MACHINE="-fno-common"
1007 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
1010 UNEXEC_OBJ=unexalpha.o
1013 AC_SUBST(C_SWITCH_MACHINE)
1015 AC_SUBST(UNEXEC_OBJ)
1018 ## Some programs in src produce warnings saying certain subprograms
1019 ## are too complex and need a MAXMEM value greater than 2000 for
1020 ## additional optimization. --nils@exp-math.uni-essen.de
1021 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1022 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1023 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1024 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1025 AC_SUBST(C_SWITCH_SYSTEM)
1030 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1031 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1033 freebsd) LIBS_SYSTEM="-lutil" ;;
1035 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1037 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1039 ## Motif needs -lgen.
1040 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1042 AC_SUBST(LIBS_SYSTEM)
1045 ### Make sure subsequent tests use flags consistent with the build flags.
1047 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1048 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1050 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1053 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1054 AC_DEFUN([AC_TYPE_SIZE_T])
1055 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1056 AC_DEFUN([AC_TYPE_UID_T])
1058 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1066 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
1070 START_FILES='pre-crt0.o'
1073 ## Adding -lm confuses the dynamic linker, so omit it.
1075 START_FILES='pre-crt0.o'
1078 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1079 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1081 gnu-linux | gnu-kfreebsd )
1082 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1083 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1085 hpux10-20 | hpux11 )
1087 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1089 dnl NB this may be adjusted below.
1091 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1092 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1097 AC_SUBST(START_FILES)
1099 dnl Not all platforms use crtn.o files. Check if the current one does.
1102 for file in x $LIB_STANDARD $START_FILES; do
1104 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1108 if test "x$crt_files" != x; then
1110 ## If user specified a crt-dir, use that unconditionally.
1113 if test "X$CRT_DIR" = "X"; then
1115 CRT_DIR=/usr/lib # default
1117 case "$canonical" in
1118 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1119 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1120 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1121 ## For anything else (eg /usr/lib32), it is up the user to specify
1122 ## the location (bug#5655).
1123 ## Test for crtn.o, not just the directory, because sometimes the
1124 ## directory exists but does not have the relevant files (bug#1287).
1125 ## FIXME better to test for binary compatibility somehow.
1126 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1129 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1133 hpux10-20) CRT_DIR=/lib ;;
1136 test "x${GCC}" = xyes && crt_gcc=yes
1142 for file in $crt_files; do
1144 ## If we're using gcc, try to determine it automatically by asking
1145 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1146 ## system-dependent default from above.]
1147 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1149 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1152 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1157 dnl We expect all the files to be in a single directory, so after the
1158 dnl first there is no point asking gcc.
1161 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1164 test "x$crt_missing" = x || \
1165 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1166 Try using the --with-crt-dir option.])
1168 fi # crt_files != ""
1174 if test -f $CRT_DIR/crti.o; then
1176 test -f $CRT_DIR/crtn.o || \
1177 AC_MSG_ERROR([Required file not found: crtn.o])
1179 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1180 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1186 dnl This function definition taken from Gnome 2.0
1187 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1188 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1189 dnl also defines GSTUFF_PKG_ERRORS on error
1190 AC_DEFUN([PKG_CHECK_MODULES], [
1193 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1195 if test "$PKG_CONFIG" = "no" ; then
1196 ifelse([$4], , [AC_MSG_ERROR([
1197 *** 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])
1199 PKG_CONFIG_MIN_VERSION=0.9.0
1200 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1201 AC_MSG_CHECKING(for $2)
1203 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1204 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1205 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1212 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1213 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1214 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1220 ## If we have a custom action on failure, don't print errors, but
1221 ## do set a variable so people can do so.
1222 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1223 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1229 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1230 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1234 if test $succeeded = yes; then
1235 ifelse([$3], , :, [$3])
1237 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.])], [$4])
1242 if test "${with_sound}" != "no"; then
1243 # Sound support for GNU/Linux and the free BSDs.
1244 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1245 have_sound_header=yes)
1246 # Emulation library used on NetBSD.
1247 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1251 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1252 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1253 if test $HAVE_ALSA = yes; then
1254 SAVE_CFLAGS="$CFLAGS"
1256 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1257 LIBS="$ALSA_LIBS $LIBS"
1258 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1259 emacs_alsa_normal=yes,
1260 emacs_alsa_normal=no)
1261 if test "$emacs_alsa_normal" != yes; then
1262 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1263 [[snd_lib_error_set_handler (0);]])],
1264 emacs_alsa_subdir=yes,
1265 emacs_alsa_subdir=no)
1266 if test "$emacs_alsa_subdir" != yes; then
1267 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1269 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1272 CFLAGS="$SAVE_CFLAGS"
1274 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1275 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1276 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1279 dnl Define HAVE_SOUND if we have sound support. We know it works and
1280 dnl compiles only on the specified platforms. For others, it
1281 dnl probably doesn't make sense to try.
1282 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1284 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1285 gnu-linux|freebsd|netbsd)
1286 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1291 AC_SUBST(CFLAGS_SOUND)
1294 dnl checks for header files
1295 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1296 linux/version.h sys/systeminfo.h \
1297 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1298 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1299 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1301 AC_MSG_CHECKING(if personality LINUX32 can be set)
1302 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1303 emacs_cv_personality_linux32=yes,
1304 emacs_cv_personality_linux32=no)
1305 AC_MSG_RESULT($emacs_cv_personality_linux32)
1307 if test $emacs_cv_personality_linux32 = yes; then
1308 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1309 [Define to 1 if personality LINUX32 can be set.])
1312 dnl On Solaris 8 there's a compilation warning for term.h because
1313 dnl it doesn't define `bool'.
1314 AC_CHECK_HEADERS(term.h, , , -)
1316 AC_CHECK_DECLS([sys_siglist])
1317 if test $ac_cv_have_decl_sys_siglist != yes; then
1318 # For Tru64, at least:
1319 AC_CHECK_DECLS([__sys_siglist])
1320 if test $ac_cv_have_decl___sys_siglist = yes; then
1321 AC_DEFINE(sys_siglist, __sys_siglist,
1322 [Define to any substitute for sys_siglist.])
1327 dnl Some systems have utime.h but don't declare the struct anyplace.
1328 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1329 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1330 #include <sys/time.h>
1333 #ifdef HAVE_SYS_TIME_H
1334 #include <sys/time.h>
1341 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1342 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1343 if test $emacs_cv_struct_utimbuf = yes; then
1344 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1347 dnl Check for speed_t typedef.
1348 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1349 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1350 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1351 if test $emacs_cv_speed_t = yes; then
1352 AC_DEFINE(HAVE_SPEED_T, 1,
1353 [Define to 1 if `speed_t' is declared by <termios.h>.])
1356 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1357 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1358 #include <sys/time.h>
1361 #ifdef HAVE_SYS_TIME_H
1362 #include <sys/time.h>
1366 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1367 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1368 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1369 if test $emacs_cv_struct_timeval = yes; then
1370 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1373 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1374 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1375 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1376 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1377 HAVE_EXCEPTION=$emacs_cv_struct_exception
1378 if test $emacs_cv_struct_exception != yes; then
1379 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1382 AC_CHECK_HEADERS(sys/socket.h)
1383 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1384 #if HAVE_SYS_SOCKET_H
1385 #include <sys/socket.h>
1387 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1388 #if HAVE_SYS_SOCKET_H
1389 #include <sys/socket.h>
1391 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1392 #if HAVE_SYS_SOCKET_H
1393 #include <sys/socket.h>
1395 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1397 dnl checks for structure members
1398 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1399 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1400 struct ifreq.ifr_addr,
1401 struct ifreq.ifr_addr.sa_len], , ,
1402 [AC_INCLUDES_DEFAULT
1403 #if HAVE_SYS_SOCKET_H
1404 #include <sys/socket.h>
1410 dnl checks for compiler characteristics
1412 dnl Testing __STDC__ to determine prototype support isn't good enough.
1413 dnl DEC C, for instance, doesn't define it with default options, and
1414 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1419 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1420 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1421 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1422 if test $emacs_cv_void_star = yes; then
1423 AC_DEFINE(POINTER_TYPE, void)
1425 AC_DEFINE(POINTER_TYPE, char)
1427 AH_TEMPLATE(POINTER_TYPE,
1428 [Define as `void' if your compiler accepts `void *'; otherwise
1429 define as `char'.])dnl
1431 dnl Check for endianness.
1434 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1435 [emacs_cv_attribute_aligned],
1438 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1440 [emacs_cv_attribute_aligned=yes],
1441 [emacs_cv_attribute_aligned=no])])
1442 if test $emacs_cv_attribute_aligned = yes; then
1443 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1444 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1447 dnl check for Make feature
1453 dnl check for GNU Make if we have GCC and autodepend is on.
1454 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1455 AC_MSG_CHECKING([whether we are using GNU Make])
1457 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1458 if test "x$testval" != x; then
1461 ac_enable_autodepend=no
1463 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1464 if test $HAVE_GNU_MAKE = yes; then
1465 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1466 SAVE_CFLAGS="$CFLAGS"
1467 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1468 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1469 CFLAGS="$SAVE_CFLAGS"
1470 test -f deps.d || ac_enable_autodepend=no
1472 AC_MSG_RESULT([$ac_enable_autodepend])
1474 if test $ac_enable_autodepend = yes; then
1475 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1476 ## In parallel builds, another make might create depdir between
1477 ## the first test and mkdir, so stick another test on the end.
1478 ## Or use install-sh -d? mkdir -p is not portable.
1479 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1480 deps_frag=autodeps.mk
1483 deps_frag=$srcdir/src/$deps_frag
1486 AC_SUBST_FILE(deps_frag)
1489 lisp_frag=$srcdir/src/lisp.mk
1490 AC_SUBST_FILE(lisp_frag)
1493 dnl checks for operating system services
1494 AC_SYS_LONG_FILE_NAMES
1496 #### Choose a window system.
1499 if test "$no_x" = yes; then
1505 LD_SWITCH_X_SITE_AUX=
1506 LD_SWITCH_X_SITE_AUX_RPATH=
1507 if test "${x_libraries}" != NONE; then
1508 if test -n "${x_libraries}"; then
1509 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1510 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1511 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1513 x_default_search_path=""
1514 x_search_path=${x_libraries}
1515 if test -z "${x_search_path}"; then
1516 x_search_path=/usr/lib
1518 for x_library in `echo ${x_search_path}: | \
1519 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1521 ${x_library}/X11/%L/%T/%N%C%S:\
1522 ${x_library}/X11/%l/%T/%N%C%S:\
1523 ${x_library}/X11/%T/%N%C%S:\
1524 ${x_library}/X11/%L/%T/%N%S:\
1525 ${x_library}/X11/%l/%T/%N%S:\
1526 ${x_library}/X11/%T/%N%S"
1527 if test x"${x_default_search_path}" = x; then
1528 x_default_search_path=${x_search_path}
1530 x_default_search_path="${x_search_path}:${x_default_search_path}"
1534 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1535 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1537 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1538 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1541 if test x"${x_includes}" = x; then
1542 bitmapdir=/usr/include/X11/bitmaps
1544 # accumulate include directories that have X11 bitmap subdirectories
1546 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1547 if test -d "${bmd}/X11/bitmaps"; then
1548 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1550 if test -d "${bmd}/bitmaps"; then
1551 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1554 if test ${bmd_acc} != "dummyval"; then
1555 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1562 tmp_CPPFLAGS="$CPPFLAGS"
1563 tmp_CFLAGS="$CFLAGS"
1564 CPPFLAGS="$CPPFLAGS -x objective-c"
1565 CFLAGS="$CFLAGS -x objective-c"
1566 TEMACS_LDFLAGS2="\${LDFLAGS}"
1568 dnl I don't think it's especially important, but src/Makefile.in
1569 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1570 dnl trailing "/" to it, so now we do it here.
1571 if test "${with_ns}" != no; then
1572 if test "${opsys}" = darwin; then
1574 ns_appdir=`pwd`/nextstep/Emacs.app
1575 ns_appbindir=${ns_appdir}/Contents/MacOS/
1576 ns_appresdir=${ns_appdir}/Contents/Resources
1577 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1578 elif test -f $GNUSTEP_CONFIG_FILE; then
1580 ns_appdir=`pwd`/nextstep/Emacs.app
1581 ns_appbindir=${ns_appdir}/
1582 ns_appresdir=${ns_appdir}/Resources
1583 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1584 dnl FIXME sourcing this several times in subshells seems inefficient.
1585 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1586 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1587 dnl I seemed to need these as well with GNUstep-startup 0.25.
1588 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1589 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1590 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1591 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1592 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1593 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1594 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1595 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1596 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1600 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1601 dnl If they had chosen to either define it or not, we could have
1602 dnl just used AC_CHECK_DECL here.
1603 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1604 emacs_cv_objc_exceptions,
1605 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1606 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1610 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1611 if test $emacs_cv_objc_exceptions = yes; then
1612 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1613 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1614 [Define if GNUstep uses ObjC exceptions.])
1615 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1619 dnl This is only used while we test the NS headers, it gets reset below.
1620 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1622 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1623 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1624 files are missing or cannot be compiled.])])
1625 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1627 ns_have_nsinteger=yes,
1628 ns_have_nsinteger=no)
1629 if test $ns_have_nsinteger = yes; then
1630 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1633 AC_SUBST(TEMACS_LDFLAGS2)
1638 if test "${HAVE_NS}" = yes; then
1639 if test "$with_toolkit_scroll_bars" = "no"; then
1640 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1643 window_system=nextstep
1645 # set up packaging dirs
1646 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1647 prefix=${ns_appresdir}
1648 exec_prefix=${ns_appbindir}
1649 libexecdir=${ns_appbindir}/libexec
1651 ns_frag=$srcdir/src/ns.mk
1652 NS_OBJ="fontset.o fringe.o image.o"
1653 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1655 CFLAGS="$tmp_CFLAGS"
1656 CPPFLAGS="$tmp_CPPFLAGS"
1658 AC_SUBST(NS_OBJC_OBJ)
1659 AC_SUBST(LIB_STANDARD)
1660 AC_SUBST_FILE(ns_frag)
1662 case "${window_system}" in
1666 case "${with_x_toolkit}" in
1667 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1668 motif ) USE_X_TOOLKIT=MOTIF ;;
1670 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1671 dnl USE_X_TOOLKIT is set.
1672 USE_X_TOOLKIT=none ;;
1673 gtk3 ) with_gtk3=yes
1674 USE_X_TOOLKIT=none ;;
1675 no ) USE_X_TOOLKIT=none ;;
1676 dnl If user did not say whether to use a toolkit, make this decision later:
1677 dnl use the toolkit if we have gtk, or X11R5 or newer.
1678 * ) USE_X_TOOLKIT=maybe ;;
1688 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1689 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1690 if test "$HAVE_XSERVER" = true ||
1691 test -n "$DISPLAY" ||
1692 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1693 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1694 were found. You should install the relevant development files for X
1695 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1696 sure you have development files for image handling, i.e.
1697 tiff, gif, jpeg, png and xpm.
1698 If you are sure you want Emacs compiled without X window support, pass
1704 ### If we're using X11, we should use the X menu package.
1707 yes ) HAVE_MENUS=yes ;;
1710 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1711 # Assume not, until told otherwise.
1714 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1715 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1716 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1717 emacs_cv_var___after_morecore_hook,
1718 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1719 emacs_cv_var___after_morecore_hook=yes,
1720 emacs_cv_var___after_morecore_hook=no)])
1721 if test $emacs_cv_var___after_morecore_hook = no; then
1726 dnl See comments in aix4-2.h about maybe using system malloc there.
1729 ## darwin ld insists on the use of malloc routines in the System framework.
1730 darwin|sol2-10) system_malloc=yes ;;
1733 if test "${system_malloc}" = "yes"; then
1734 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1737 (The GNU allocators don't work with this system configuration.)"
1741 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1742 VMLIMIT_OBJ=vm-limit.o
1744 AC_SUBST(GMALLOC_OBJ)
1745 AC_SUBST(VMLIMIT_OBJ)
1747 if test "$doug_lea_malloc" = "yes" ; then
1748 if test "$GNU_MALLOC" = yes ; then
1750 (Using Doug Lea's new malloc from the GNU C Library.)"
1752 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1753 [Define to 1 if you are using the GNU C Library.])
1755 ## Use mmap directly for allocating larger buffers.
1756 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1757 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1758 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1760 gnu*) REL_ALLOC=no ;;
1764 if test x"${REL_ALLOC}" = x; then
1765 REL_ALLOC=${GNU_MALLOC}
1768 use_mmap_for_buffers=no
1770 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1774 if test $use_mmap_for_buffers = yes; then
1775 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1779 LIBS="$LIBS_SYSTEM $LIBS"
1781 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1782 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1783 AC_CHECK_LIB(dnet, dnet_ntoa)
1784 dnl This causes -lresolv to get used in subsequent tests,
1785 dnl which causes failures on some systems such as HPUX 9.
1786 dnl AC_CHECK_LIB(resolv, gethostbyname)
1788 dnl FIXME replace main with a function we actually want from this library.
1789 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1791 dnl Check if pthreads is available.
1793 AC_CHECK_HEADERS(pthread.h)
1794 if test "$ac_cv_header_pthread_h"; then
1795 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1796 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1797 dnl testing for pthread_self if Emacs uses gmalloc.c.
1798 if test "$GMALLOC_OBJ" = gmalloc.o; then
1799 emacs_pthread_function=pthread_atfork
1801 emacs_pthread_function=pthread_self
1803 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1805 if test "$HAVE_PTHREAD" = yes; then
1806 case "${canonical}" in
1808 *) LIB_PTHREAD="-lpthread"
1809 LIBS="$LIB_PTHREAD $LIBS" ;;
1811 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1813 AC_SUBST([LIB_PTHREAD])
1815 AC_CHECK_LIB(pthreads, cma_open)
1817 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1818 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1819 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1820 ## added to LIBS in configure would never contain the pthreads part,
1821 ## but the value used in Makefiles might. FIXME?
1823 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1824 ## be harmless on older versions of X where it happens to exist.
1825 test "$opsys" = "aix4-2" && \
1826 test $ac_cv_lib_pthreads_cma_open = yes && \
1827 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1829 dnl Check for need for bigtoc support on IBM AIX
1833 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1835 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1836 *) gdb_cv_bigtoc=-bbigtoc ;;
1839 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1840 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1845 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1846 # used for the tests that follow. We set them back to REAL_CFLAGS and
1847 # REAL_CPPFLAGS later on.
1849 REAL_CFLAGS="$CFLAGS"
1850 REAL_CPPFLAGS="$CPPFLAGS"
1852 if test "${HAVE_X11}" = "yes"; then
1853 DEFS="$C_SWITCH_X_SITE $DEFS"
1854 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1856 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1857 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1859 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1860 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1861 # but it's more convenient here to set LD_RUN_PATH
1862 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1863 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1864 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1868 if test "${opsys}" = "gnu-linux"; then
1869 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1870 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1871 [[XOpenDisplay ("foo");]])],
1872 [xgnu_linux_first_failure=no],
1873 [xgnu_linux_first_failure=yes])
1874 if test "${xgnu_linux_first_failure}" = "yes"; then
1875 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1876 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1877 OLD_CPPFLAGS="$CPPFLAGS"
1879 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1880 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1881 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1882 LIBS="$LIBS -b i486-linuxaout"
1883 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1884 [[XOpenDisplay ("foo");]])],
1885 [xgnu_linux_second_failure=no],
1886 [xgnu_linux_second_failure=yes])
1887 if test "${xgnu_linux_second_failure}" = "yes"; then
1888 # If we get the same failure with -b, there is no use adding -b.
1889 # So take it out. This plays safe.
1890 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1891 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1892 CPPFLAGS="$OLD_CPPFLAGS"
1903 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1904 # header files included from there.
1905 AC_MSG_CHECKING(for Xkb)
1906 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1907 #include <X11/XKBlib.h>]],
1908 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1909 emacs_xkb=yes, emacs_xkb=no)
1910 AC_MSG_RESULT($emacs_xkb)
1911 if test $emacs_xkb = yes; then
1912 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1915 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1916 XScreenNumberOfScreen XSetWMProtocols)
1919 if test "${window_system}" = "x11"; then
1920 AC_MSG_CHECKING(X11 version 6)
1921 AC_CACHE_VAL(emacs_cv_x11_version_6,
1922 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1923 [[#if XlibSpecificationRelease < 6
1926 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1927 if test $emacs_cv_x11_version_6 = yes; then
1928 AC_MSG_RESULT(6 or newer)
1929 AC_DEFINE(HAVE_X11R6, 1,
1930 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1931 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1932 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1936 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1937 [Define if you have usable X11R6-style XIM support.])
1941 AC_MSG_RESULT(before 6)
1946 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1948 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1949 if test "${with_rsvg}" != "no"; then
1950 RSVG_REQUIRED=2.11.0
1951 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1953 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1954 AC_SUBST(RSVG_CFLAGS)
1957 if test $HAVE_RSVG = yes; then
1958 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1959 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1960 LIBS="$RSVG_LIBS $LIBS"
1966 if test "${HAVE_X11}" = "yes"; then
1967 if test "${with_imagemagick}" != "no"; then
1968 ## 6.2.8 is the earliest version known to work, but earlier versions
1969 ## might work - let us know if you find one.
1970 ## 6.0.7 does not work. See bug#7955.
1971 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1972 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1973 AC_SUBST(IMAGEMAGICK_CFLAGS)
1974 AC_SUBST(IMAGEMAGICK_LIBS)
1976 if test $HAVE_IMAGEMAGICK = yes; then
1977 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1978 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1979 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1980 AC_CHECK_FUNCS(MagickExportImagePixels)
1988 if test "${with_gtk3}" = "yes"; then
1991 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1993 dnl Checks for libraries.
1994 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1995 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1996 AC_MSG_ERROR($GTK_PKG_ERRORS)
1998 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1999 GTK_OBJ=emacsgtkfixed.o
2002 if test "$pkg_check_gtk" != "yes"; then
2004 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2007 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2009 dnl Checks for libraries.
2010 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2011 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
2012 AC_MSG_ERROR($GTK_PKG_ERRORS)
2017 if test x"$pkg_check_gtk" = xyes; then
2019 AC_SUBST(GTK_CFLAGS)
2021 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2022 CFLAGS="$CFLAGS $GTK_CFLAGS"
2023 LIBS="$GTK_LIBS $LIBS"
2024 dnl Try to compile a simple GTK program.
2026 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2027 if test "${GTK_COMPILES}" != "yes"; then
2028 if test "$USE_X_TOOLKIT" != "maybe"; then
2029 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2033 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2034 GTK_OBJ="gtkutil.o $GTK_OBJ"
2036 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
2039 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2040 closing open displays. This is no problem if you just use
2041 one display, but if you use more than one and close one of them
2051 if test "${HAVE_GTK}" = "yes"; then
2053 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2054 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2055 if test "$with_toolkit_scroll_bars" != no; then
2056 with_toolkit_scroll_bars=yes
2059 dnl Check if we have the old file selection dialog declared and
2060 dnl in the link library. In 2.x it may be in the library,
2061 dnl but not declared if deprecated featured has been selected out.
2062 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2063 HAVE_GTK_FILE_SELECTION=no
2064 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2065 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2066 #include <gtk/gtk.h>])
2067 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2068 AC_CHECK_FUNCS(gtk_file_selection_new)
2072 dnl Check for functions introduced in 2.14 and later.
2073 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2074 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2075 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2076 gtk_orientable_set_orientation \
2077 gtk_window_set_has_resize_grip)
2080 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2081 dnl other platforms. Support for higher D-Bus versions than 1.0 is
2082 dnl also not configured.
2085 if test "${with_dbus}" = "yes"; then
2086 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2087 if test "$HAVE_DBUS" = yes; then
2088 LIBS="$LIBS $DBUS_LIBS"
2089 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2090 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
2096 dnl GSettings has been tested under GNU/Linux only.
2098 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2099 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2100 if test "$HAVE_GSETTINGS" = "yes"; then
2101 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2102 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2103 SETTINGS_LIBS="$GSETTINGS_LIBS"
2107 dnl GConf has been tested under GNU/Linux only.
2108 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2110 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2111 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2112 if test "$HAVE_GCONF" = yes; then
2113 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2114 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2115 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2116 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2120 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2121 SAVE_CFLAGS="$CFLAGS"
2123 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2124 LIBS="$SETTINGS_LIBS $LIBS"
2125 AC_CHECK_FUNCS([g_type_init])
2126 CFLAGS="$SAVE_CFLAGS"
2129 AC_SUBST(SETTINGS_CFLAGS)
2130 AC_SUBST(SETTINGS_LIBS)
2133 dnl SELinux is available for GNU/Linux only.
2136 if test "${with_selinux}" = "yes"; then
2137 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2138 if test "$HAVE_LIBSELINUX" = yes; then
2139 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2140 LIBSELINUX_LIBS=-lselinux
2143 AC_SUBST(LIBSELINUX_LIBS)
2146 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2147 if test "${with_gnutls}" = "yes" ; then
2148 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2149 if test "${HAVE_GNUTLS}" = "yes"; then
2150 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2153 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2154 LIBS="$LIBGNUTLS_LIBS $LIBS"
2155 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2157 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2158 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2162 AC_SUBST(LIBGNUTLS_LIBS)
2163 AC_SUBST(LIBGNUTLS_CFLAGS)
2165 dnl Do not put whitespace before the #include statements below.
2166 dnl Older compilers (eg sunos4 cc) choke on it.
2169 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2170 if test "$with_xaw3d" != no; then
2171 AC_MSG_CHECKING(for xaw3d)
2172 AC_CACHE_VAL(emacs_cv_xaw3d,
2173 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2174 #include <X11/Intrinsic.h>
2175 #include <X11/Xaw3d/Simple.h>]],
2177 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2178 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2179 emacs_cv_xaw3d=no)])
2183 if test $emacs_cv_xaw3d = yes; then
2184 AC_MSG_RESULT([yes; using Lucid toolkit])
2188 AC_DEFINE(HAVE_XAW3D, 1,
2189 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2192 AC_MSG_CHECKING(for libXaw)
2193 AC_CACHE_VAL(emacs_cv_xaw,
2194 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2195 #include <X11/Intrinsic.h>
2196 #include <X11/Xaw/Simple.h>]],
2200 if test $emacs_cv_xaw = yes; then
2201 AC_MSG_RESULT([yes; using Lucid toolkit])
2204 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2205 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2207 AC_MSG_ERROR([No X toolkit could be found.
2208 If you are sure you want Emacs compiled without an X toolkit, pass
2210 to configure. Otherwise, install the development libraries for the toolkit
2211 that you want to use (e.g. Gtk+) and re-run configure.])
2216 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2219 if test "${USE_X_TOOLKIT}" != "none"; then
2220 AC_MSG_CHECKING(X11 toolkit version)
2221 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2222 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2223 [[#if XtSpecificationRelease < 6
2226 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2227 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2228 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2229 AC_MSG_RESULT(6 or newer)
2230 AC_DEFINE(HAVE_X11XTR6, 1,
2231 [Define to 1 if you have the X11R6 or newer version of Xt.])
2232 LIBXTR6="-lSM -lICE"
2234 ## Use libw.a along with X11R6 Xt.
2235 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2238 AC_MSG_RESULT(before 6)
2241 dnl If using toolkit, check whether libXmu.a exists.
2242 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2244 if test x$HAVE_X11XTR6 = xyes; then
2245 LIBS="-lXt -lSM -lICE $LIBS"
2249 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2250 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2254 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2255 dnl Why not just test for libxmu in the normal way?
2258 ## These systems don't supply Xmu.
2260 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2265 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2266 if test "${HAVE_X11}" = "yes"; then
2267 if test "${USE_X_TOOLKIT}" != "none"; then
2268 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2273 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2274 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2275 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2276 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2279 Motif version prior to 2.1.
2281 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2282 if test $emacs_cv_motif_version_2_1 = yes; then
2283 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2285 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2286 # We put this in CFLAGS temporarily to precede other -I options
2287 # that might be in CFLAGS temporarily.
2288 # We put this in CPPFLAGS where it precedes the other -I options.
2289 OLD_CPPFLAGS=$CPPFLAGS
2291 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2292 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2293 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2295 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2296 if test $emacs_cv_lesstif = yes; then
2297 # Make sure this -I option remains in CPPFLAGS after it is set
2298 # back to REAL_CPPFLAGS.
2299 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2300 # have those other -I options anyway. Ultimately, having this
2301 # directory ultimately in CPPFLAGS will be enough.
2302 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2303 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2306 CPPFLAGS=$OLD_CPPFLAGS
2309 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2310 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2313 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2314 dnl using Motif or Xaw3d is available, and unless
2315 dnl --with-toolkit-scroll-bars=no was specified.
2317 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2318 [Define to 1 if we should use toolkit scroll bars.])dnl
2319 USE_TOOLKIT_SCROLL_BARS=no
2320 if test "${with_toolkit_scroll_bars}" != "no"; then
2321 if test "${USE_X_TOOLKIT}" != "none"; then
2322 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2323 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2325 USE_TOOLKIT_SCROLL_BARS=yes
2326 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2327 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2328 USE_TOOLKIT_SCROLL_BARS=yes
2330 elif test "${HAVE_GTK}" = "yes"; then
2331 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2332 USE_TOOLKIT_SCROLL_BARS=yes
2333 elif test "${HAVE_NS}" = "yes"; then
2334 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2335 USE_TOOLKIT_SCROLL_BARS=yes
2339 dnl See if XIM is available.
2340 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2341 #include <X11/Xlib.h>
2342 #include <X11/Xresource.h>]],
2343 [[XIMProc callback;]])],
2345 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2348 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2350 if test "${with_xim}" != "no"; then
2351 AC_DEFINE(USE_XIM, 1,
2352 [Define to 1 if we should use XIM, if it is available.])
2356 if test "${HAVE_XIM}" != "no"; then
2358 if test "$GCC" = yes; then
2359 CFLAGS="$CFLAGS --pedantic-errors"
2361 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2362 #include <X11/Xlib.h>
2363 #include <X11/Xresource.h>]],
2369 XPointer *client_data;
2371 /* If we're not using GCC, it's probably not XFree86, and this is
2372 probably right, but we can't use something like --pedantic-errors. */
2373 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2374 char*, XIMProc, XPointer*);
2376 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2378 [emacs_cv_arg6_star=yes])
2379 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2380 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2381 either XPointer or XPointer*.])dnl
2382 if test "$emacs_cv_arg6_star" = yes; then
2383 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2385 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2390 ### Start of font-backend (under any platform) section.
2391 # (nothing here yet -- this is a placeholder)
2392 ### End of font-backend (under any platform) section.
2394 ### Start of font-backend (under X11) section.
2395 if test "${HAVE_X11}" = "yes"; then
2396 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2398 ## Use -lXft if available, unless `--with-xft=no'.
2400 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2403 if test "x${with_xft}" != "xno"; then
2405 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2406 ## Because xftfont.c uses XRenderQueryExtension, we also
2407 ## need to link to -lXrender.
2409 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2410 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2411 OLD_CPPFLAGS="$CPPFLAGS"
2412 OLD_CFLAGS="$CFLAGS"
2414 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2415 CFLAGS="$CFLAGS $XFT_CFLAGS"
2416 XFT_LIBS="-lXrender $XFT_LIBS"
2417 LIBS="$XFT_LIBS $LIBS"
2418 AC_CHECK_HEADER(X11/Xft/Xft.h,
2419 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2421 if test "${HAVE_XFT}" = "yes"; then
2422 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2424 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2426 CPPFLAGS="$OLD_CPPFLAGS"
2427 CFLAGS="$OLD_CFLAGS"
2429 fi # "${HAVE_XFT}" = "yes"
2430 fi # "$HAVE_XFT" != no
2431 fi # "x${with_xft}" != "xno"
2433 ## We used to allow building with FreeType and without Xft.
2434 ## However, the ftx font backend driver is not in good shape.
2435 if test "$HAVE_XFT" != "yes"; then
2436 dnl For the "Does Emacs use" message at the end.
2440 dnl Strict linkers fail with
2441 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2442 dnl if -lfreetype is not specified.
2443 dnl The following is needed to set FREETYPE_LIBS.
2444 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2447 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2451 if test "${HAVE_FREETYPE}" = "yes"; then
2452 AC_DEFINE(HAVE_FREETYPE, 1,
2453 [Define to 1 if using the freetype and fontconfig libraries.])
2454 if test "${with_libotf}" != "no"; then
2455 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2457 if test "$HAVE_LIBOTF" = "yes"; then
2458 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2459 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2460 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2461 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2462 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2463 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2464 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2468 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2469 dnl Does the new font backend require it, or can it work without it?
2473 if test "${HAVE_LIBOTF}" = yes; then
2474 if test "${with_m17n_flt}" != "no"; then
2475 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2476 if test "$HAVE_M17N_FLT" = "yes"; then
2477 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2488 ### End of font-backend (under X11) section.
2490 AC_SUBST(FREETYPE_CFLAGS)
2491 AC_SUBST(FREETYPE_LIBS)
2492 AC_SUBST(FONTCONFIG_CFLAGS)
2493 AC_SUBST(FONTCONFIG_LIBS)
2494 AC_SUBST(LIBOTF_CFLAGS)
2495 AC_SUBST(LIBOTF_LIBS)
2496 AC_SUBST(M17N_FLT_CFLAGS)
2497 AC_SUBST(M17N_FLT_LIBS)
2499 ### Use -lXpm if available, unless `--with-xpm=no'.
2502 if test "${HAVE_X11}" = "yes"; then
2503 if test "${with_xpm}" != "no"; then
2504 AC_CHECK_HEADER(X11/xpm.h,
2505 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2506 if test "${HAVE_XPM}" = "yes"; then
2507 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2508 AC_EGREP_CPP(no_return_alloc_pixels,
2509 [#include "X11/xpm.h"
2510 #ifndef XpmReturnAllocPixels
2511 no_return_alloc_pixels
2513 ], HAVE_XPM=no, HAVE_XPM=yes)
2515 if test "${HAVE_XPM}" = "yes"; then
2523 if test "${HAVE_XPM}" = "yes"; then
2524 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2530 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2533 if test "${HAVE_X11}" = "yes"; then
2534 if test "${with_jpeg}" != "no"; then
2535 dnl Checking for jpeglib.h can lose because of a redefinition of
2537 AC_CHECK_HEADER(jerror.h,
2538 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2541 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2542 if test "${HAVE_JPEG}" = "yes"; then
2543 AC_DEFINE(HAVE_JPEG)
2544 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2545 [#include <jpeglib.h>
2546 version=JPEG_LIB_VERSION
2548 [AC_DEFINE(HAVE_JPEG)],
2549 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2552 if test "${HAVE_JPEG}" = "yes"; then
2558 ### Use -lpng if available, unless `--with-png=no'.
2561 if test "${HAVE_X11}" = "yes"; then
2562 if test "${with_png}" != "no"; then
2563 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2564 # in /usr/include/libpng.
2565 AC_CHECK_HEADERS(png.h libpng/png.h)
2566 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2567 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2571 if test "${HAVE_PNG}" = "yes"; then
2572 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2573 LIBPNG="-lpng -lz -lm"
2578 ### Use -ltiff if available, unless `--with-tiff=no'.
2581 if test "${HAVE_X11}" = "yes"; then
2582 if test "${with_tiff}" != "no"; then
2583 AC_CHECK_HEADER(tiffio.h,
2585 # At least one tiff package requires the jpeg library.
2586 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2587 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2590 if test "${HAVE_TIFF}" = "yes"; then
2591 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2592 dnl FIXME -lz -lm, as per libpng?
2598 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2601 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2602 AC_CHECK_HEADER(gif_lib.h,
2603 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2604 # Earlier versions can crash Emacs.
2605 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2607 if test "$HAVE_GIF" = yes; then
2609 elif test "$HAVE_GIF" = maybe; then
2610 # If gif_lib.h but no libgif, try libungif.
2611 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2612 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2615 if test "${HAVE_GIF}" = "yes"; then
2616 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2621 dnl Check for required libraries.
2622 if test "${HAVE_X11}" = "yes"; then
2625 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2626 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2627 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2628 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2629 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2630 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2631 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2632 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2633 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2634 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2636 if test "X${MISSING}" != X; then
2637 AC_MSG_ERROR([The following required libraries were not found:
2639 Maybe some development libraries/packages are missing?
2640 If you don't want to link with them give
2642 as options to configure])
2646 ### Use -lgpm if available, unless `--with-gpm=no'.
2649 if test "${with_gpm}" != "no"; then
2650 AC_CHECK_HEADER(gpm.h,
2651 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2653 if test "${HAVE_GPM}" = "yes"; then
2654 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2660 dnl Check for malloc/malloc.h on darwin
2661 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.])])
2664 ### Use NeXTstep API to implement GUI.
2665 if test "${HAVE_NS}" = "yes"; then
2666 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2667 if test "${NS_IMPL_COCOA}" = "yes"; then
2668 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2670 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2671 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2672 # See also .m.o rule in Makefile.in */
2673 # FIXME: are all these flags really needed? Document here why. */
2674 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2675 ## Extra CFLAGS applied to src/*.m files.
2676 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2678 # We also have mouse menus.
2684 ### Use session management (-lSM -lICE) if available
2687 if test "${HAVE_X11}" = "yes"; then
2688 AC_CHECK_HEADER(X11/SM/SMlib.h,
2689 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2691 if test "${HAVE_X_SM}" = "yes"; then
2692 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2696 *) LIBS="$LIBXSM $LIBS" ;;
2702 ### Use libxml (-lxml2) if available
2704 if test "${with_xml2}" != "no"; then
2705 ### I'm not sure what the version number should be, so I just guessed.
2706 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2707 if test "${HAVE_LIBXML2}" = "yes"; then
2708 LIBS="$LIBXML2_LIBS $LIBS"
2709 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2710 if test "${HAVE_LIBXML2}" = "yes"; then
2711 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2718 AC_SUBST(LIBXML2_LIBS)
2719 AC_SUBST(LIBXML2_CFLAGS)
2721 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2722 AC_CACHE_CHECK(whether netdb declares h_errno,
2723 emacs_cv_netdb_declares_h_errno,
2724 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2725 [[return h_errno;]])],
2726 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2727 if test $emacs_cv_netdb_declares_h_errno = yes; then
2728 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2731 # fmod, logb, and frexp are found in -lm on most systems.
2732 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2733 AC_CHECK_LIB(m, sqrt)
2735 # Check for mail-locking functions in a "mail" library. Probably this should
2736 # have the same check as for liblockfile below.
2737 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2738 if test $have_mail = yes; then
2740 LIBS="$LIBS_MAIL $LIBS"
2741 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2745 dnl Debian, at least:
2746 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2747 if test $have_lockfile = yes; then
2748 LIBS_MAIL=-llockfile
2749 LIBS="$LIBS_MAIL $LIBS"
2750 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2752 # If we have the shared liblockfile, assume we must use it for mail
2753 # locking (e.g. Debian). If we couldn't link against liblockfile
2754 # (no liblockfile.a installed), ensure that we don't need to.
2755 dnl This works for files generally, not just executables.
2756 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2757 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2758 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2759 if test $ac_cv_prog_liblockfile = yes; then
2760 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2761 This probably means that movemail could lose mail.
2762 There may be a `development' package to install containing liblockfile.])
2765 AC_CHECK_FUNCS(touchlock)
2766 AC_CHECK_HEADERS(maillock.h)
2769 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2770 ## interlock access to the mail spool. The alternative is a lock file named
2771 ## /usr/spool/mail/$USER.lock.
2774 aix4-2) mail_lock="lockf" ;;
2776 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2778 ## On GNU/Linux systems, both methods are used by various mail programs.
2779 ## I assume most people are using newer mailers that have heard of flock.
2780 ## Change this if you need to.
2781 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2782 ## configure gets the right answers, and that means *NOT* using flock.
2783 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2784 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2785 ## Debian maintainer hasn't provided a clean fix for Emacs.
2786 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2787 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2788 ## correct logic. -- fx
2789 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2790 ## liblockfile is a Free Software replacement for libmail, used on
2791 ## Debian systems and elsewhere. -rfr.
2794 if test $have_mail = yes || test $have_lockfile = yes; then
2795 test $ac_cv_header_maillock_h = yes && mail_lock=no
2801 case "$mail_lock" in
2802 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2804 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2806 *) BLESSMAIL_TARGET="need-blessmail" ;;
2808 AC_SUBST(BLESSMAIL_TARGET)
2811 AC_CHECK_FUNCS(gethostname getdomainname \
2812 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2813 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2814 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2815 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2816 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2817 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2818 gai_strerror mkstemp getline getdelim mremap fsync sync \
2819 difftime mempcpy mblen mbrlen posix_memalign \
2820 getpwent endpwent getgrent endgrent \
2821 cfmakeraw cfsetspeed copysign __executable_start)
2823 dnl Cannot use AC_CHECK_FUNCS
2824 AC_CACHE_CHECK([for __builtin_unwind_init],
2825 emacs_cv_func___builtin_unwind_init,
2826 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2827 emacs_cv_func___builtin_unwind_init=yes,
2828 emacs_cv_func___builtin_unwind_init=no)])
2829 if test $emacs_cv_func___builtin_unwind_init = yes; then
2830 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2831 [Define to 1 if you have the `__builtin_unwind_init' function.])
2834 AC_CHECK_HEADERS(sys/un.h)
2841 AC_CHECK_FUNCS(grantpt)
2843 # PTY-related GNU extensions.
2844 AC_CHECK_FUNCS(getpt)
2846 # Check this now, so that we will NOT find the above functions in ncurses.
2847 # That is because we have not set up to link ncurses in lib-src.
2848 # It's better to believe a function is not available
2849 # than to expect to find it in ncurses.
2850 # Also we need tputs and friends to be able to build at all.
2851 AC_MSG_CHECKING([for library containing tputs])
2852 # Run a test program that contains a call to tputs, a call that is
2853 # never executed. This tests whether a pre-'main' dynamic linker
2854 # works with the library. It's too much trouble to actually call
2855 # tputs in the test program, due to portability hassles. When
2856 # cross-compiling, assume the test program will run if it links.
2857 AC_DEFUN([tputs_link_source], [
2859 [[extern void tputs (const char *, int, int (*)(int));
2860 int main (int argc, char **argv)
2863 tputs (argv[0], 0, 0);
2867 # Maybe curses should be tried earlier?
2868 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2869 for tputs_library in '' ncurses terminfo termcap curses; do
2871 if test -z "$tputs_library"; then
2875 LIBS_TERMCAP=-l$tputs_library
2877 LIBS="$LIBS_TERMCAP $LIBS"
2879 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2880 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2882 if test "X$msg" != Xno; then
2886 AC_MSG_RESULT([$msg])
2887 if test "X$msg" = Xno; then
2888 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2889 These libraries were tried: libncurses, libterminfo, libtermcap, libcurses.
2890 Please try installing whichever of these libraries is most appropriate
2891 for your system, together with its header files.
2892 For example, a libncurses-dev(el) or similar package.])
2894 # Must define this when any termcap library is found.
2895 AC_DEFINE(HAVE_LIBNCURSES, 1,
2896 [Define to 1 if you have the `ncurses' library (-lncurses).])
2897 ## FIXME This was the cpp logic, but I am not sure it is right.
2898 ## The above test has not necessarily found libncurses.
2901 ## Use terminfo instead of termcap?
2902 ## Note only system files NOT using terminfo are:
2903 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2904 ## darwin|gnu without ncurses.
2907 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2908 ## hpux10-20: Use the system provided termcap(3) library.
2909 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2910 ## is necessary. Otherwise Emacs dumps core when run -nw.
2911 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2913 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2914 ## The ncurses library has been moved out of the System framework in
2915 ## Mac OS X 10.2. So if configure detects it, set the command-line
2916 ## option to use it.
2918 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2919 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2921 LIBS_TERMCAP="-lncurses"
2926 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2927 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2928 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2929 [[#if __FreeBSD_version < 400000
2932 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2934 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2936 if test $emacs_cv_freebsd_terminfo = yes; then
2938 LIBS_TERMCAP="-lncurses"
2940 LIBS_TERMCAP="-ltermcap"
2945 if test $ac_cv_search_tputs = -lterminfo; then
2947 LIBS_TERMCAP="-lterminfo"
2949 LIBS_TERMCAP="-ltermcap"
2956 ## hpux: Make sure we get select from libc rather than from libcurses
2957 ## because libcurses on HPUX 10.10 has a broken version of select.
2958 ## We used to use -lc -lcurses, but this may be cleaner.
2959 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2961 openbsd) LIBS_TERMCAP="-lncurses" ;;
2963 ## Must use system termcap, if we use any termcap. It does special things.
2964 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2967 TERMCAP_OBJ=tparam.o
2968 if test $TERMINFO = yes; then
2969 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2970 TERMCAP_OBJ=terminfo.o
2972 AC_SUBST(LIBS_TERMCAP)
2973 AC_SUBST(TERMCAP_OBJ)
2976 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2978 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2979 #include <arpa/nameser.h>
2980 #include <resolv.h>]],
2981 [[return res_init();]])],
2982 have_res_init=yes, have_res_init=no)
2983 if test "$have_res_init" = no; then
2985 LIBS="$LIBS -lresolv"
2986 AC_MSG_CHECKING(for res_init with -lresolv)
2987 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2988 #include <arpa/nameser.h>
2989 #include <resolv.h>]],
2990 [[return res_init();]])],
2991 have_res_init=yes, have_res_init=no)
2992 AC_MSG_RESULT($have_res_init)
2993 if test "$have_res_init" = yes ; then
2999 if test "$have_res_init" = yes; then
3000 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3003 # Do we need the Hesiod library to provide the support routines?
3005 if test "$with_hesiod" != no ; then
3006 # Don't set $LIBS here -- see comments above. FIXME which comments?
3007 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3008 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3009 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3010 if test "$resolv" = yes ; then
3015 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3016 hesiod=yes, :, $RESOLVLIB)])
3018 if test x"$hesiod" = xyes; then
3019 AC_DEFINE(HAVE_LIBHESIOD, 1,
3020 [Define to 1 if you have the hesiod library (-lhesiod).])
3026 # Do we need libresolv (due to res_init or Hesiod)?
3027 if test "$resolv" = yes ; then
3028 AC_DEFINE(HAVE_LIBRESOLV, 1,
3029 [Define to 1 if you have the resolv library (-lresolv).])
3036 # These tell us which Kerberos-related libraries to use.
3043 if test "${with_kerberos}" != no; then
3044 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3045 if test $have_com_err = yes; then
3046 COM_ERRLIB=-lcom_err
3047 LIBS="$COM_ERRLIB $LIBS"
3048 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3050 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3051 if test $have_crypto = yes; then
3053 LIBS="$CRYPTOLIB $LIBS"
3054 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3056 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3057 if test $have_k5crypto = yes; then
3058 CRYPTOLIB=-lk5crypto
3059 LIBS="$CRYPTOLIB $LIBS"
3060 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3062 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3063 if test $have_krb5=yes; then
3065 LIBS="$KRB5LIB $LIBS"
3066 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3068 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3069 if test "${with_kerberos5}" = no; then
3070 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3071 if test $have_des425 = yes; then
3073 LIBS="$DESLIB $LIBS"
3074 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3076 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3077 if test $have_des = yes; then
3079 LIBS="$DESLIB $LIBS"
3080 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3083 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3084 if test $have_krb4 = yes; then
3086 LIBS="$KRB4LIB $LIBS"
3087 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3089 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3090 if test $have_krb = yes; then
3092 LIBS="$KRB4LIB $LIBS"
3093 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3098 if test "${with_kerberos5}" != no; then
3099 AC_CHECK_HEADERS(krb5.h,
3100 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3101 [#include <krb5.h>])])
3103 AC_CHECK_HEADERS(des.h,,
3104 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3105 [AC_CHECK_HEADERS(kerberos/des.h)])])
3106 AC_CHECK_HEADERS(krb.h,,
3107 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3108 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3110 AC_CHECK_HEADERS(com_err.h)
3113 AC_SUBST(COM_ERRLIB)
3119 AC_MSG_CHECKING(whether localtime caches TZ)
3120 AC_CACHE_VAL(emacs_cv_localtime_cache,
3121 [if test x$ac_cv_func_tzset = xyes; then
3122 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3123 char TZ_GMT0[] = "TZ=GMT0";
3124 char TZ_PST8[] = "TZ=PST8";
3127 time_t now = time ((time_t *) 0);
3128 int hour_GMT0, hour_unset;
3129 if (putenv (TZ_GMT0) != 0)
3131 hour_GMT0 = localtime (&now)->tm_hour;
3133 hour_unset = localtime (&now)->tm_hour;
3134 if (putenv (TZ_PST8) != 0)
3136 if (localtime (&now)->tm_hour == hour_GMT0)
3139 if (localtime (&now)->tm_hour != hour_unset)
3142 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3143 [# If we have tzset, assume the worst when cross-compiling.
3144 emacs_cv_localtime_cache=yes])
3146 # If we lack tzset, report that localtime does not cache TZ,
3147 # since we can't invalidate the cache if we don't have tzset.
3148 emacs_cv_localtime_cache=no
3150 AC_MSG_RESULT($emacs_cv_localtime_cache)
3151 if test $emacs_cv_localtime_cache = yes; then
3152 AC_DEFINE(LOCALTIME_CACHE, 1,
3153 [Define to 1 if localtime caches TZ.])
3156 if test "x$HAVE_TIMEVAL" = xyes; then
3157 AC_CHECK_FUNCS(gettimeofday)
3158 if test $ac_cv_func_gettimeofday = yes; then
3159 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3160 emacs_cv_gettimeofday_two_arguments,
3161 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3162 #ifdef TIME_WITH_SYS_TIME
3163 #include <sys/time.h>
3166 #ifdef HAVE_SYS_TIME_H
3167 #include <sys/time.h>
3172 [[struct timeval time;
3173 gettimeofday (&time, 0);]])],
3174 emacs_cv_gettimeofday_two_arguments=yes,
3175 emacs_cv_gettimeofday_two_arguments=no)])
3176 if test $emacs_cv_gettimeofday_two_arguments = no; then
3177 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3178 [Define to 1 if gettimeofday accepts only one argument.])
3184 AC_CHECK_FUNC(socket, , ok_so_far=no)
3185 if test $ok_so_far = yes; then
3186 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3188 if test $ok_so_far = yes; then
3189 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3191 if test $ok_so_far = yes; then
3192 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3193 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3194 [Define to 1 if you have inet sockets.])
3197 if test -f /usr/lpp/X11/bin/smt.exp; then
3198 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3199 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3202 AC_MSG_CHECKING(whether system supports dynamic ptys)
3203 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3205 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3212 AC_CHECK_FUNCS(snprintf)
3214 dnl Adapted from Haible's version.
3215 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3216 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3217 [[char* cs = nl_langinfo(CODESET);]])],
3218 emacs_cv_langinfo_codeset=yes,
3219 emacs_cv_langinfo_codeset=no)
3221 if test $emacs_cv_langinfo_codeset = yes; then
3222 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3223 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3228 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3229 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3230 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3231 if test "$emacs_cv_c_restrict_arr" = yes; then
3232 AC_DEFINE(__restrict_arr, __restrict,
3233 [Define to compiler's equivalent of C99 restrict keyword in array
3234 declarations. Define as empty for no equivalent.])
3237 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3238 dnl how the tty code is related to POSIX and/or other versions of termios.
3239 dnl The following looks like a useful start.
3241 dnl AC_SYS_POSIX_TERMIOS
3242 dnl if test $ac_cv_sys_posix_termios = yes; then
3243 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3244 dnl and macros for terminal control.])
3245 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3248 # Set up the CFLAGS for real compilation, so we can substitute it.
3249 CFLAGS="$REAL_CFLAGS"
3250 CPPFLAGS="$REAL_CPPFLAGS"
3252 ## Hack to detect a buggy GCC version.
3253 if test "x$GCC" = xyes \
3254 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3255 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3256 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3257 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3260 version=$PACKAGE_VERSION
3262 ### Specify what sort of things we'll be editing into Makefile and config.h.
3263 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3265 AC_SUBST(configuration)
3270 AC_SUBST(exec_prefix)
3273 AC_SUBST(sharedstatedir)
3274 AC_SUBST(libexecdir)
3278 AC_SUBST(locallisppath)
3280 AC_SUBST(x_default_search_path)
3282 AC_SUBST(archlibdir)
3287 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3288 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3289 ## end of LIBX_BASE, but nothing ever set it.
3290 AC_SUBST(LD_SWITCH_X_SITE)
3291 AC_SUBST(C_SWITCH_X_SITE)
3292 AC_SUBST(GNUSTEP_CFLAGS)
3294 ## Used in lwlib/Makefile.in.
3295 AC_SUBST(X_TOOLKIT_TYPE)
3296 if test -n "${machfile}"; then
3297 M_FILE="\$(srcdir)/${machfile}"
3301 S_FILE="\$(srcdir)/${opsysfile}"
3305 AC_SUBST(ns_appbindir)
3306 AC_SUBST(ns_appresdir)
3308 AC_SUBST(GNU_OBJC_CFLAGS)
3309 AC_SUBST(OTHER_FILES)
3311 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3312 [Define to the canonical Emacs configuration name.])
3313 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3314 [Define to the options passed to configure.])
3315 if test -n "$machfile"; then
3316 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3317 [Define to the used machine dependent file.])
3319 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3320 [Define to the used os dependent file.])
3325 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3326 AC_DEFINE(HAVE_X_WINDOWS, 1,
3327 [Define to 1 if you want to use the X window system.])
3329 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3331 if test "$HAVE_XFT" = "yes"; then
3332 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3333 elif test "$HAVE_FREETYPE" = "yes"; then
3334 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3344 if test "${USE_X_TOOLKIT}" != "none" ; then
3346 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3347 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3348 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3349 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3350 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3354 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3355 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3359 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3360 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3361 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3365 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3366 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3369 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3372 AC_SUBST(WIDGET_OBJ)
3375 case "$USE_X_TOOLKIT" in
3376 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3377 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3378 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3380 AC_SUBST(TOOLKIT_LIBW)
3382 if test "$USE_X_TOOLKIT" = "none"; then
3383 LIBXT_OTHER="\$(LIBXSM)"
3384 OLDXMENU_TARGET="really-oldXMenu"
3386 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3387 OLDXMENU_TARGET="really-lwlib"
3389 AC_SUBST(LIBXT_OTHER)
3391 ## The X Menu stuff is present in the X10 distribution, but missing
3392 ## from X11. If we have X10, just use the installed library;
3393 ## otherwise, use our own copy.
3394 if test "${HAVE_X11}" = "yes" ; then
3395 AC_DEFINE(HAVE_X11, 1,
3396 [Define to 1 if you want to use version 11 of X windows.
3397 Otherwise, Emacs expects to use version 10.])
3399 if test "$USE_X_TOOLKIT" = "none"; then
3400 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3402 OLDXMENU="\${lwlibdir}/liblw.a"
3404 LIBXMENU="\$(OLDXMENU)"
3405 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3406 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3408 ## For a syntactically valid Makefile; not actually used for anything.
3409 ## See comments in src/Makefile.in.
3411 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3412 if test "${HAVE_X_WINDOWS}" = "yes"; then
3421 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3428 AC_SUBST(OLDXMENU_TARGET)
3431 AC_SUBST(LIBX_OTHER)
3432 AC_SUBST(OLDXMENU_DEPS)
3434 if test "${HAVE_MENUS}" = "yes" ; then
3435 AC_DEFINE(HAVE_MENUS, 1,
3436 [Define to 1 if you have mouse menus.
3437 (This is automatic if you use X, but the option to specify it remains.)
3438 It is also defined with other window systems that support xmenu.c.])
3441 if test "${GNU_MALLOC}" = "yes" ; then
3442 AC_DEFINE(GNU_MALLOC, 1,
3443 [Define to 1 if you want to use the GNU memory allocator.])
3447 if test "${REL_ALLOC}" = "yes" ; then
3448 AC_DEFINE(REL_ALLOC, 1,
3449 [Define REL_ALLOC if you want to use the relocating allocator for
3452 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3454 AC_SUBST(RALLOC_OBJ)
3456 if test "$opsys" = "cygwin"; then
3457 CYGWIN_OBJ="sheap.o"
3458 ## Cygwin differs because of its unexec().
3460 POST_ALLOC_OBJ=lastfile.o
3463 PRE_ALLOC_OBJ=lastfile.o
3466 AC_SUBST(CYGWIN_OBJ)
3467 AC_SUBST(PRE_ALLOC_OBJ)
3468 AC_SUBST(POST_ALLOC_OBJ)
3470 # Configure gnulib here, now that we know LIBS.
3471 gl_ASSERT_NO_GNULIB_POSIXCHECK
3472 gl_ASSERT_NO_GNULIB_TESTS
3476 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3479 ## The -headerpad option tells ld (see man page) to leave room at the
3480 ## end of the header for adding load commands. Needed for dumping.
3481 ## 0x690 is the total size of 30 segment load commands (at 56
3482 ## each); under Cocoa 31 commands are required.
3483 if test "$HAVE_NS" = "yes"; then
3484 libs_nsgui="-framework AppKit"
3490 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3492 ## This is here because src/Makefile.in did some extra fiddling around
3493 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3494 ## #ifndef LD_SWITCH_SYSTEM
3495 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3496 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3497 ## not using gcc, darwin system not on an alpha (ie darwin, since
3498 ## darwin + alpha does not occur).
3499 ## Because this was done in src/Makefile.in, the resulting part of
3500 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3501 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3502 ## rather than LD_SWITCH_SYSTEM.
3503 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3504 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3507 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3508 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3509 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3510 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3511 ## had different values in configure (in ac_link) and src/Makefile.in.
3512 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3513 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3515 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3518 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3519 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3522 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3528 ## gnu: GNU needs its own crt0.
3529 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3531 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3532 ## library search parth, i.e. it won't search /usr/lib for libc and
3533 ## friends. Using -nostartfiles instead avoids this problem, and
3534 ## will also work on earlier NetBSD releases.
3535 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3537 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3538 ## MkLinux/LinuxPPC needs this.
3539 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3542 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3548 if test "x$ORDINARY_LINK" = "xyes"; then
3551 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3553 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3554 ## freebsd, gnu-* not on macppc|ibms390x.
3555 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3557 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3558 ## places that are difficult to figure out at make time. Fortunately,
3559 ## these same versions allow you to pass arbitrary flags on to the
3560 ## linker, so there is no reason not to use it as a linker.
3562 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3563 ## searching for libraries in its internal directories, so we have to
3564 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3565 LD_FIRSTFLAG="-nostdlib"
3568 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3569 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3571 AC_SUBST(LD_FIRSTFLAG)
3574 ## FIXME? The logic here is not precisely the same as that above.
3575 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3576 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3578 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3581 freebsd|netbsd|openbsd) LIB_GCC= ;;
3584 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3585 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3591 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3592 ## immediately undefine it again and redefine it to empty.
3593 ## Was the C_SWITCH_X_SITE part really necessary?
3594 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3600 ## Ask GCC where to find libgcc.a.
3601 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3607 ## If we're using X11/GNUstep, define some consequences.
3608 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3609 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3610 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3614 AH_TOP([/* GNU Emacs site configuration template file.
3616 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3617 Free Software Foundation, Inc.
3619 This file is part of GNU Emacs.
3621 GNU Emacs is free software: you can redistribute it and/or modify
3622 it under the terms of the GNU General Public License as published by
3623 the Free Software Foundation, either version 3 of the License, or
3624 (at your option) any later version.
3626 GNU Emacs is distributed in the hope that it will be useful,
3627 but WITHOUT ANY WARRANTY; without even the implied warranty of
3628 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3629 GNU General Public License for more details.
3631 You should have received a copy of the GNU General Public License
3632 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3635 /* No code in Emacs #includes config.h twice, but some bits of code
3636 intended to work with other packages as well (like gmalloc.c)
3637 think they can include it as many times as they like. */
3638 #ifndef EMACS_CONFIG_H
3639 #define EMACS_CONFIG_H
3643 /* On AIX 3 this must be included before any other include file. */
3646 # error "alloca not available on this machine"
3649 /* Define AMPERSAND_FULL_NAME if you use the convention
3650 that & in the full name stands for the login id. */
3651 /* Turned on June 1996 supposing nobody will mind it. */
3652 #define AMPERSAND_FULL_NAME
3654 /* `subprocesses' should be defined if you want to
3655 have code for asynchronous subprocesses
3656 (as used in M-x compile and M-x shell).
3657 Only MSDOS does not support this (it overrides
3658 this in its config_opsysfile below). */
3660 #define subprocesses
3662 /* Include the os and machine dependent files. */
3663 #include config_opsysfile
3664 #ifdef config_machfile
3665 # include config_machfile
3668 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3669 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3670 (There is probably a better place to do this, but right now the
3671 Cocoa side does this in s/darwin.h and we cannot parallel this
3672 exactly since GNUstep is multi-OS. */
3673 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3674 # define SYSTEM_PURESIZE_EXTRA 30000
3677 #ifdef emacs /* Don't do this for lib-src. */
3678 /* Tell regex.c to use a type compatible with Emacs. */
3679 #define RE_TRANSLATE_TYPE Lisp_Object
3680 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3682 /* If make_number is a macro, use it. */
3683 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3685 /* If make_number is a function, avoid it. */
3686 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3690 /* These default definitions are good for almost all machines.
3691 Any exceptions should override them in m/MACHINE.h.
3692 They must be usable in preprocessor conditionals. */
3694 #ifndef BITS_PER_CHAR
3695 #define BITS_PER_CHAR 8
3698 #ifndef BITS_PER_SHORT
3699 #define BITS_PER_SHORT 16
3702 #ifndef BITS_PER_INT
3703 #define BITS_PER_INT 32
3706 #ifndef BITS_PER_LONG
3708 #define BITS_PER_LONG 64
3710 #define BITS_PER_LONG 32
3714 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3715 #define BITS_PER_LONG_LONG 64
3718 /* Define if the compiler supports function prototypes. It may do so but
3719 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3725 #if defined __GNUC__ && (__GNUC__ > 2 \
3726 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3727 #define NO_RETURN __attribute__ ((__noreturn__))
3729 #define NO_RETURN /* nothing */
3732 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3733 #define NO_INLINE __attribute__((noinline))
3738 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3739 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3741 #define EXTERNALLY_VISIBLE
3744 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3745 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3747 # define ATTRIBUTE_FORMAT(spec) /* empty */
3750 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3751 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3752 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3754 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3755 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3758 /* Some versions of GNU/Linux define noinline in their headers. */
3763 /* These won't be used automatically yet. We also need to know, at least,
3764 that the stack is continuous. */
3766 # ifndef GC_SETJMP_WORKS
3767 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3768 # define GC_SETJMP_WORKS 1
3772 #endif /* EMACS_CONFIG_H */
3781 #### Report on what we decided to do.
3782 #### Report GTK as a toolkit, even if it doesn't use Xt.
3783 #### It makes printing result more understandable as using GTK sets
3784 #### toolkit_scroll_bars to yes by default.
3785 if test "${HAVE_GTK}" = "yes"; then
3790 if test -n "$machfile"; then
3791 and_machfile=" and \`${machfile}'"
3795 Configured for \`${canonical}'.
3797 Where should the build process find the source code? ${srcdir}
3798 What operating system and machine description files should Emacs use?
3799 \`${opsysfile}'${and_machfile}
3800 What compiler should emacs be built with? ${CC} ${CFLAGS}
3801 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3802 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3803 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3804 What window system should Emacs use? ${window_system}
3805 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3807 if test -n "${x_includes}"; then
3808 echo " Where do we find X Windows header files? ${x_includes}"
3810 echo " Where do we find X Windows header files? Standard dirs"
3812 if test -n "${x_libraries}"; then
3813 echo " Where do we find X Windows libraries? ${x_libraries}"
3815 echo " Where do we find X Windows libraries? Standard dirs"
3818 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3819 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3820 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3821 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3822 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3823 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3824 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3825 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3827 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3828 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3829 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3830 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3831 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3832 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3833 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3835 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3836 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3837 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3838 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3840 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3843 if test -n "${EMACSDATA}"; then
3844 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3846 if test -n "${EMACSDOC}"; then
3847 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3850 if test $USE_XASSERTS = yes; then
3851 echo " Compiling with asserts turned on."
3852 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3857 if test "$HAVE_NS" = "yes"; then
3859 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3860 The installed application will go to nextstep/Emacs.app and can be
3861 run or moved from there."
3862 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3863 echo "The application will be fully self-contained."
3865 echo "The lisp resources for the application will be installed under ${prefix}.
3866 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3867 to run if these resources are not installed."
3872 if test "${opsys}" = "cygwin"; then
3874 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
3880 # Remove any trailing slashes in these variables.
3881 [test "${prefix}" != NONE &&
3882 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3883 test "${exec_prefix}" != NONE &&
3884 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3886 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3887 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3888 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3889 dnl (else you get "no `Makefile.am' found for any configure output").
3890 dnl This will work, but you get a config.status that is not quite right
3891 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3892 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3893 dnl it seems better to just live with the duplication.
3894 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"
3896 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3897 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3898 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3901 dnl test/ is not present in release tarfiles.
3902 opt_makefile=test/automated/Makefile
3904 if test -f $srcdir/${opt_makefile}.in; then
3905 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3906 dnl Again, it's best not to use a variable. Though you can add
3907 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3908 AC_CONFIG_FILES([test/automated/Makefile])
3912 dnl admin/ may or may not be present.
3913 opt_makefile=admin/unidata/Makefile
3915 if test -f $srcdir/${opt_makefile}.in; then
3916 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3917 AC_CONFIG_FILES([admin/unidata/Makefile])
3921 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3923 AC_SUBST(SUBDIR_MAKEFILES_IN)
3925 dnl Make the necessary directories, if they don't exist.
3926 AC_CONFIG_COMMANDS([mkdirs], [
3927 for dir in etc lisp ; do
3928 test -d ${dir} || mkdir ${dir}
3932 dnl You might wonder (I did) why epaths.h is generated by running make,
3933 dnl rather than just letting configure generate it from epaths.in.
3934 dnl One reason is that the various paths are not fully expanded (see above);
3935 dnl eg gamedir=${prefix}/var/games/emacs.
3936 dnl Secondly, the GNU Coding standards require that one should be able
3937 dnl to run `make prefix=/some/where/else' and override the values set
3938 dnl by configure. This also explains the `move-if-change' test and
3939 dnl the use of force in the `epaths-force' rule in Makefile.in.
3940 AC_CONFIG_COMMANDS([epaths], [
3941 echo creating src/epaths.h
3942 ${MAKE-make} epaths-force
3943 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3945 AC_CONFIG_COMMANDS([gdbinit], [
3946 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3947 echo creating src/.gdbinit
3948 echo source $srcdir/src/.gdbinit > src/.gdbinit
3954 dnl configure.in ends here