1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2011 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.0.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
30 dnl Support for --program-prefix, --program-suffix and
31 dnl --program-transform-name options
34 dnl It is important that variables on the RHS not be expanded here,
35 dnl hence the single quotes. This is per the GNU coding standards, see
36 dnl (autoconf) Installation Directory Variables
37 dnl See also epaths.h below.
38 lispdir='${datadir}/emacs/${version}/lisp'
39 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
40 '${datadir}/emacs/site-lisp'
41 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
42 etcdir='${datadir}/emacs/${version}/etc'
43 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
44 docdir='${datadir}/emacs/${version}/etc'
45 gamedir='${localstatedir}/games/emacs'
47 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
48 dnl Create a new --with option that defaults to being disabled.
49 dnl NAME is the base name of the option. The shell variable with_NAME
50 dnl will be set to either the user's value (if the option is
51 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
52 dnl option is not specified). Note that the shell variable name is
53 dnl constructed as autoconf does, by replacing non-alphanumeric
54 dnl characters with "_".
55 dnl HELP-STRING is the help text for the option.
56 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
57 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
58 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
61 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
62 dnl Create a new --with option that defaults to being enabled. NAME
63 dnl is the base name of the option. The shell variable with_NAME
64 dnl will be set either to 'no' (for a plain --without-NAME) or to
65 dnl 'yes' (if the option is not specified). Note that the shell
66 dnl variable name is constructed as autoconf does, by replacing
67 dnl non-alphanumeric characters with "_".
68 dnl HELP-STRING is the help text for the option.
69 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
70 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
71 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
74 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
75 if test "$with_pop" = yes; then
76 AC_DEFINE(MAIL_USE_POP)
78 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
80 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
81 if test "$with_kerberos" != no; then
85 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
87 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
88 if test "${with_kerberos5}" != no; then
89 if test "${with_kerberos}" = no; then
93 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
96 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
97 dnl FIXME hesiod support may not be present, so it seems like an error
98 dnl to define, or at least use, this unconditionally.
99 if test "$with_hesiod" != no; then
100 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
103 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
104 if test "$with_mmdf" != no; then
105 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
108 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
109 if test "$with_mail_unlink" != no; then
110 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
113 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
114 [string giving default POP mail host])],
115 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
117 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
119 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
120 if test "$with_sync_input" = yes; then
121 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
124 dnl FIXME currently it is not the last.
125 dnl This should be the last --with option, because --with-x is
126 dnl added later on when we find the path of X, and it's best to
127 dnl keep them together visually.
128 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
129 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
130 [ case "${withval}" in
131 y | ye | yes ) val=gtk ;;
133 l | lu | luc | luci | lucid ) val=lucid ;;
134 a | at | ath | athe | athen | athena ) val=athena ;;
135 m | mo | mot | moti | motif ) val=motif ;;
136 g | gt | gtk ) val=gtk ;;
139 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
140 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
141 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
147 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
148 if test "$with_wide_int" = yes; then
149 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
152 dnl _ON results in a '--without' option in the --help output, so
153 dnl the help text should refer to "don't compile", etc.
154 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
155 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
156 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
157 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
158 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
159 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
160 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
161 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
163 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
164 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
165 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
167 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
168 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
169 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
170 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
172 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
173 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
174 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
175 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
176 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
177 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
179 ## For the times when you want to build Emacs but don't have
180 ## a suitable makeinfo, and can live without the manuals.
181 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
182 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
184 ## This is an option because I do not know if all info/man support
185 ## compressed files, nor how to test if they do so.
186 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
187 if test $with_compress_info = yes; then
194 AC_ARG_WITH([pkg-config-prog],dnl
195 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
196 [path to pkg-config for finding GTK and librsvg])])
197 if test "X${with_pkg_config_prog}" != X; then
198 if test "${with_pkg_config_prog}" != yes; then
199 PKG_CONFIG="${with_pkg_config_prog}"
204 AC_ARG_WITH([crt-dir],dnl
205 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
206 The default is /usr/lib, or /usr/lib64 on some platforms.])])
207 CRT_DIR="${with_crt_dir}"
209 AC_ARG_WITH(gameuser,dnl
210 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
211 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
212 && gameuser="${with_gameuser}"
213 test "X$gameuser" = X && gameuser=games
215 AC_ARG_WITH([gnustep-conf],dnl
216 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
217 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
218 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
219 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
220 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
222 AC_ARG_ENABLE(ns-self-contained,
223 [AS_HELP_STRING([--disable-ns-self-contained],
224 [disable self contained build under NeXTstep])],
225 EN_NS_SELF_CONTAINED=$enableval,
226 EN_NS_SELF_CONTAINED=yes)
228 AC_ARG_ENABLE(asserts,
229 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
230 USE_XASSERTS=$enableval,
233 AC_ARG_ENABLE(maintainer-mode,
234 [AS_HELP_STRING([--disable-maintainer-mode],
235 [disable make rules and dependencies not useful (and sometimes
236 confusing) to the casual installer])],
237 USE_MAINTAINER_MODE=$enableval,
238 USE_MAINTAINER_MODE=yes)
239 if test $USE_MAINTAINER_MODE = yes; then
246 AC_ARG_ENABLE(locallisppath,
247 [AS_HELP_STRING([--enable-locallisppath=PATH],
248 [directories Emacs should search for lisp files specific
250 if test "${enableval}" = "no"; then
252 elif test "${enableval}" != "yes"; then
253 locallisppath=${enableval}
256 AC_ARG_ENABLE(checking,
257 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
258 [enable expensive run-time checks. With LIST,
259 enable only specific categories of checks.
260 Categories are: all,yes,no.
261 Flags are: stringbytes, stringoverrun, stringfreelist,
262 xmallocoverrun, conslist])],
263 [ac_checking_flags="${enableval}"],[])
264 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
265 for check in $ac_checking_flags
268 # these set all the flags to specific states
269 yes) ac_enable_checking=1 ;;
270 no) ac_enable_checking= ;
271 ac_gc_check_stringbytes= ;
272 ac_gc_check_string_overrun= ;
273 ac_gc_check_string_free_list= ;
274 ac_xmalloc_overrun= ;
275 ac_gc_check_cons_list= ;;
276 all) ac_enable_checking=1 ;
277 ac_gc_check_stringbytes=1 ;
278 ac_gc_check_string_overrun=1 ;
279 ac_gc_check_string_free_list=1 ;
280 ac_xmalloc_overrun=1 ;
281 ac_gc_check_cons_list=1 ;;
282 # these enable particular checks
283 stringbytes) ac_gc_check_stringbytes=1 ;;
284 stringoverrun) ac_gc_check_string_overrun=1 ;;
285 stringfreelist) ac_gc_check_string_free_list=1 ;;
286 xmallocoverrun) ac_xmalloc_overrun=1 ;;
287 conslist) ac_gc_check_cons_list=1 ;;
288 *) AC_MSG_ERROR(unknown check category $check) ;;
293 if test x$ac_enable_checking != x ; then
294 AC_DEFINE(ENABLE_CHECKING, 1,
295 [Enable expensive run-time checking of data types?])
297 if test x$ac_gc_check_stringbytes != x ; then
298 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
299 [Define this temporarily to hunt a bug. If defined, the size of
300 strings is redundantly recorded in sdata structures so that it can
301 be compared to the sizes recorded in Lisp strings.])
303 if test x$ac_gc_check_string_overrun != x ; then
304 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
305 [Define this to check for short string overrun.])
307 if test x$ac_gc_check_string_free_list != x ; then
308 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
309 [Define this to check the string free list.])
311 if test x$ac_xmalloc_overrun != x ; then
312 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
313 [Define this to check for malloc buffer overrun.])
315 if test x$ac_gc_check_cons_list != x ; then
316 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
317 [Define this to check for errors in cons list.])
320 AC_ARG_ENABLE(use-lisp-union-type,
321 [AS_HELP_STRING([--enable-use-lisp-union-type],
322 [use a union for the Lisp_Object data type.
323 This is only useful for development for catching certain types of bugs.])],
324 if test "${enableval}" != "no"; then
325 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
326 [Define this to use a lisp union for the Lisp_Object data type.])
330 AC_ARG_ENABLE(profiling,
331 [AS_HELP_STRING([--enable-profiling],
332 [build emacs with profiling support.
333 This might not work on all platforms])],
334 [ac_enable_profiling="${enableval}"],[])
335 if test x$ac_enable_profiling != x ; then
336 PROFILING_CFLAGS="-DPROFILING=1 -pg"
340 AC_SUBST(PROFILING_CFLAGS)
342 AC_ARG_ENABLE(autodepend,
343 [AS_HELP_STRING([--enable-autodepend],
344 [automatically generate dependencies to .h-files.
345 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
347 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
349 #### Make srcdir absolute, if it isn't already. It's important to
350 #### avoid running the path through pwd unnecessarily, since pwd can
351 #### give you automounter prefixes, which can go away. We do all this
352 #### so Emacs can find its files when run uninstalled.
353 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
358 ## We may be able to use the $PWD environment variable to make this
359 ## absolute. But sometimes PWD is inaccurate.
360 ## Note: we used to use ${PWD} at the end instead of `pwd`,
361 ## but that tested only for a well-formed and valid PWD,
362 ## it did not object when PWD was well-formed and valid but just wrong.
363 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
367 srcdir="`(cd ${srcdir}; pwd)`"
370 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
373 #### Given the configuration name, set machfile and opsysfile to the
374 #### names of the m/*.h and s/*.h files we should use.
376 ### Canonicalize the configuration name.
380 configuration=${host_alias-${build_alias-$host}}
382 dnl This used to use changequote, but, apart from `changequote is evil'
383 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
384 dnl the great gob of text. Thus it's not processed for possible expansion.
385 dnl Just make sure the brackets remain balanced.
387 dnl Since Emacs can't find matching pairs of quotes, boundaries are
388 dnl indicated by comments.
392 ### If you add support for a new configuration, add code to this
393 ### switch statement to recognize your configuration name and select
394 ### the appropriate operating system and machine description files.
396 ### You would hope that you could choose an m/*.h file pretty much
397 ### based on the machine portion of the configuration name, and an s/*.h
398 ### file based on the operating system portion. However, it turns out
399 ### that each m/*.h file is pretty manufacturer-specific - for
400 ### example mips.h is MIPS
401 ### So we basically have to have a special case for each
402 ### configuration name.
404 ### As far as handling version numbers on operating systems is
405 ### concerned, make sure things will fail in a fixable way. If
406 ### /etc/MACHINES doesn't say anything about version numbers, be
407 ### prepared to handle anything reasonably. If version numbers
408 ### matter, be sure /etc/MACHINES says something about it.
410 machine='' opsys='' unported=no
411 case "${canonical}" in
417 alpha*) machine=alpha ;;
418 s390-*) machine=ibms390 ;;
419 s390x-*) machine=ibms390x ;;
420 powerpc*) machine=macppc ;;
421 sparc*) machine=sparc ;;
422 ia64*) machine=ia64 ;;
423 m68k*) machine=m68k ;;
424 x86_64*) machine=amdx86-64 ;;
431 case "${canonical}" in
432 alpha*) machine=alpha ;;
433 amd64-*|x86_64-*) machine=amdx86-64 ;;
434 ia64-*) machine=ia64 ;;
435 i[3456]86-*) machine=intel386 ;;
436 powerpc-*) machine=macppc ;;
437 sparc-*) machine=sparc ;;
438 sparc64-*) machine=sparc ;;
442 ## FreeBSD kernel + glibc based userland
445 case "${canonical}" in
446 alpha*) machine=alpha ;;
447 amd64-*|x86_64-*) machine=amdx86-64 ;;
448 ia64-*) machine=ia64 ;;
449 i[3456]86-*) machine=intel386 ;;
450 powerpc-*) machine=macppc ;;
451 sparc-*) machine=sparc ;;
452 sparc64-*) machine=sparc ;;
459 case "${canonical}" in
460 alpha*) machine=alpha ;;
461 x86_64-*) machine=amdx86-64 ;;
462 i[3456]86-*) machine=intel386 ;;
463 m68k-*) machine=m68k ;;
464 powerpc-*) machine=macppc ;;
465 sparc*-) machine=sparc ;;
466 vax-*) machine=vax ;;
473 case "${canonical}" in
474 alpha*) machine=alpha ;;
475 x86_64-*) machine=amdx86-64 ;;
476 i386-*) machine=intel386 ;;
477 powerpc-*) machine=macppc ;;
478 sparc*) machine=sparc ;;
479 vax-*) machine=vax ;;
483 ## Apple Darwin / Mac OS X
485 case "${canonical}" in
486 i[3456]86-* ) machine=intel386 ;;
487 powerpc-* ) machine=macppc ;;
488 x86_64-* ) machine=amdx86-64 ;;
492 # Define CPP as follows to make autoconf work correctly.
493 CPP="${CC-cc} -E -no-cpp-precomp"
494 # Use fink packages if available.
495 if test -d /sw/include && test -d /sw/lib; then
496 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
497 CPP="${CPP} ${GCC_TEST_OPTIONS}"
498 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
502 ## HP 9000 series 700 and 800, running HP/UX
506 hppa*-hp-hpux1[1-9]* )
508 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
511 ia64*-hp-hpux1[1-9]* )
512 machine=hp800 opsys=hpux11
513 ## FIXME. Peter O'Gorman reports that dumping using unexelf.o doesn't
514 ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
519 machine=hp800 opsys=gnu-linux
523 rs6000-ibm-aix4.[23]* )
524 machine=ibmrs6000 opsys=aix4-2
526 powerpc-ibm-aix4.[23]* )
527 machine=ibmrs6000 opsys=aix4-2
529 rs6000-ibm-aix[56]* )
530 machine=ibmrs6000 opsys=aix4-2
532 powerpc-ibm-aix[56]* )
533 machine=ibmrs6000 opsys=aix4-2
536 ## Silicon Graphics machines
540 # Without defining _LANGUAGE_C, things get masked out in the headers
541 # so that, for instance, grepping for `free' in stdlib.h fails and
542 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
543 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
544 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
549 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
550 | x86_64-*-solaris2* | x86_64-*-sunos5*)
551 case "${canonical}" in
552 i[3456]86-*-* ) machine=intel386 ;;
553 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
554 sparc* ) machine=sparc ;;
557 case "${canonical}" in
558 *-sunos5.6* | *-solaris2.6* )
560 NON_GNU_CPP=/usr/ccs/lib/cpp
563 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
565 emacs_check_sunpro_c=yes
566 NON_GNU_CPP=/usr/ccs/lib/cpp
568 *-sunos5* | *-solaris* )
570 emacs_check_sunpro_c=yes
571 NON_GNU_CPP=/usr/ccs/lib/cpp
574 ## Watch out for a compiler that we know will not work.
575 case "${canonical}" in
576 *-solaris* | *-sunos5* )
577 if [ "x$CC" = x/usr/ucb/cc ]; then
578 ## /usr/ucb/cc doesn't work;
579 ## we should find some other compiler that does work.
587 ## Intel 386 machines where we don't care about the manufacturer.
590 case "${canonical}" in
591 *-cygwin ) opsys=cygwin ;;
592 *-darwin* ) opsys=darwin
593 CPP="${CC-cc} -E -no-cpp-precomp"
595 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
596 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
597 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
598 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
607 ### If the code above didn't choose an operating system, just choose
608 ### an operating system based on the configuration name. You really
609 ### only want to use this when you have no idea what the right
610 ### operating system is; if you know what operating systems a machine
611 ### runs, it's cleaner to make it explicit in the case statement
613 if test x"${opsys}" = x; then
614 case "${canonical}" in
615 *-gnu* ) opsys=gnu ;;
625 if test $unported = yes; then
626 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
627 Check `etc/MACHINES' for recognized configuration names.])
630 if test -n "$machine"; then
631 machfile="m/${machine}.h"
635 opsysfile="s/${opsys}.h"
638 #### Choose a compiler.
639 test -n "$CC" && cc_specified=yes
641 # Save the value of CFLAGS that the user specified.
642 SPECIFIED_CFLAGS="$CFLAGS"
644 dnl Sets GCC=yes if using gcc.
648 # Initialize gnulib right after verifying that the C compiler works.
651 # On Suns, sometimes $CPP names a directory.
652 if test -n "$CPP" && test -d "$CPP"; then
656 ## If not using gcc, and on Solaris, and no CPP specified, see if
657 ## using a Sun compiler, which needs -Xs to prevent whitespace.
658 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
659 test x"$CPP" = x; then
660 AC_MSG_CHECKING([whether we are using a Sun C compiler])
661 AC_CACHE_VAL(emacs_cv_sunpro_c,
662 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
666 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
667 AC_MSG_RESULT($emacs_cv_sunpro_c)
669 if test x"$emacs_cv_sunpro_c" = xyes; then
670 NON_GNU_CPP="$CC -E -Xs"
674 #### Some systems specify a CPP to use unless we are using GCC.
675 #### Now that we know whether we are using GCC, we can decide whether
676 #### to use that one.
677 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
682 #### Some systems specify a CC to use unless we are using GCC.
683 #### Now that we know whether we are using GCC, we can decide whether
684 #### to use that one.
685 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
686 test x$cc_specified != xyes
691 if test x$GCC = xyes; then
692 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
694 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
697 ### Use -Wdeclaration-after-statement if the compiler supports it
698 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
699 SAVE_CFLAGS="$CFLAGS"
700 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
701 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
702 if test $has_option = yes; then
703 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
705 AC_MSG_RESULT($has_option)
706 CFLAGS="$SAVE_CFLAGS"
710 ### Use -Wold-style-definition if the compiler supports it
711 # This can be removed when conversion to standard C is finished.
712 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
713 SAVE_CFLAGS="$CFLAGS"
714 CFLAGS="$CFLAGS -Wold-style-definition"
715 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
716 if test $has_option = yes; then
717 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
719 AC_MSG_RESULT($has_option)
720 CFLAGS="$SAVE_CFLAGS"
724 ### Use -Wimplicit-function-declaration if the compiler supports it
725 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
726 SAVE_CFLAGS="$CFLAGS"
727 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
728 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
729 if test $has_option = yes; then
730 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
732 AC_MSG_RESULT($has_option)
733 CFLAGS="$SAVE_CFLAGS"
737 AC_SUBST(C_WARNINGS_SWITCH)
740 #### Some other nice autoconf tests.
742 dnl checks for programs
745 if test "x$RANLIB" = x; then
749 ## Although we're running on an amd64 kernel, we're actually compiling for
750 ## the x86 architecture. The user should probably have provided an
751 ## explicit --build to `configure', but if everything else than the kernel
752 ## is running in i386 mode, we can help them out.
753 if test "$machine" = "amdx86-64"; then
754 AC_CHECK_DECL([i386])
755 if test "$ac_cv_have_decl_i386" = "yes"; then
756 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
758 machfile="m/${machine}.h"
762 AC_PATH_PROG(INSTALL_INFO, install-info)
763 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
764 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
765 dnl Don't use GZIP, which is used by gzip for additional parameters.
766 AC_PATH_PROG(GZIP_PROG, gzip)
769 ## Need makeinfo >= 4.6 (?) to build the manuals.
770 AC_PATH_PROG(MAKEINFO, makeinfo, no)
771 dnl By this stage, configure has already checked for egrep and set EGREP,
772 dnl or exited with an error if no egrep was found.
773 if test "$MAKEINFO" != "no" && \
774 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
778 ## Makeinfo is unusual. For a released Emacs, the manuals are
779 ## pre-built, and not deleted by the normal clean rules. makeinfo is
780 ## therefore in the category of "special tools" not normally required, which
781 ## configure does not have to check for (eg autoconf itself).
782 ## In a Bazaar checkout on the other hand, the manuals are not included.
783 ## So makeinfo is a requirement to build from Bazaar, and configure
784 ## should test for it as it does for any other build requirement.
785 ## We use the presence of $srcdir/info/emacs to distinguish a release,
786 ## with pre-built manuals, from a Bazaar checkout.
789 if test "$MAKEINFO" = "no"; then
791 if test "x${with_makeinfo}" = "xno"; then
793 elif test ! -e $srcdir/info/emacs; then
794 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
795 source tree does not seem to have pre-built manuals in the `info' directory.
796 Either install a suitable version of makeinfo, or re-run configure
797 with the `--without-makeinfo' option to build without the manuals.] )
800 AC_SUBST(HAVE_MAKEINFO)
802 dnl Add our options to ac_link now, after it is set up.
804 if test x$GCC = xyes; then
805 test "x$GCC_LINK_TEST_OPTIONS" != x && \
806 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
808 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
809 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
812 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
813 dnl If we can link with the flag, it shouldn't do any harm anyhow.
814 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
815 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
816 dnl if not built to support GNU ld.
818 late_LDFLAGS=$LDFLAGS
819 if test x$GCC = xyes; then
820 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
822 LDFLAGS="$LDFLAGS -znocombreloc"
825 AC_MSG_CHECKING([for -znocombreloc])
826 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
827 [AC_MSG_RESULT(yes)],
828 LDFLAGS=$late_LDFLAGS
832 # The value of CPP is a quoted variable reference, so we need to do this
833 # to get its actual value...
834 CPP=`eval "echo $CPP"`
837 dnl The function dump-emacs will not be defined and temacs will do
838 dnl (load "loadup") automatically unless told otherwise.
839 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
841 your-opsys-here) CANNOT_DUMP=yes ;;
844 test "$CANNOT_DUMP" = "yes" && \
845 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
847 AC_SUBST(CANNOT_DUMP)
852 # MSDOS uses unexcoff.o
853 # MSWindows uses unexw32.o
861 UNEXEC_OBJ=unexmacosx.o
864 UNEXEC_OBJ=unexhp9k800.o
867 # Use the Solaris dldump() function, called from unexsol.c, to dump
868 # emacs, instead of the generic ELF dump code found in unexelf.c.
869 # The resulting binary has a complete symbol table, and is better
870 # for debugging and other observability tools (debuggers, pstack, etc).
872 # If you encounter a problem using dldump(), please consider sending
873 # a message to the OpenSolaris tools-linking mailing list:
874 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
876 # It is likely that dldump() works with older Solaris too, but this has
877 # not been tested, so for now this change is for Solaris 10 or newer.
885 ## Let `ld' find image libs and similar things in /usr/local/lib.
886 ## The system compiler, GCC, has apparently been modified to not
887 ## look there, contrary to what a stock GCC would do.
888 LD_SWITCH_SYSTEM=-L/usr/local/lib
892 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
893 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
897 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
901 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
902 ## otherwise Emacs dumps core on elf systems.
903 LD_SWITCH_SYSTEM="-Z"
906 AC_SUBST(LD_SWITCH_SYSTEM)
908 ac_link="$ac_link $LD_SWITCH_SYSTEM"
910 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
911 ## which has not been defined yet. When this was handled with cpp,
912 ## it was expanded to null when configure sourced the s/*.h file.
913 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
914 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
915 ## (or somesuch), but because it is supposed to go at the _front_
916 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
917 ## Compare with the gnu-linux case below, which added to the end
918 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
919 ## LD_SWITCH_SYSTEM_TEMACS.
922 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
923 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
928 if test "$machine" = "alpha"; then
929 AC_CHECK_DECL([__ELF__])
930 if test "$ac_cv_have_decl___ELF__" = "yes"; then
931 ## With ELF, make sure that all common symbols get allocated to in the
932 ## data section. Otherwise, the dump of temacs may miss variables in
933 ## the shared library that have been initialized. For example, with
934 ## GNU libc, __malloc_initialized would normally be resolved to the
935 ## shared library's .bss section, which is fatal.
936 if test "x$GCC" = "xyes"; then
937 C_SWITCH_MACHINE="-fno-common"
939 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
942 UNEXEC_OBJ=unexalpha.o
945 AC_SUBST(C_SWITCH_MACHINE)
950 ## Some programs in src produce warnings saying certain subprograms
951 ## are too complex and need a MAXMEM value greater than 2000 for
952 ## additional optimization. --nils@exp-math.uni-essen.de
953 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
954 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
955 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
956 ## It is redundant in glibc2, since we define _GNU_SOURCE.
957 AC_SUBST(C_SWITCH_SYSTEM)
962 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
963 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
965 freebsd) LIBS_SYSTEM="-lutil" ;;
967 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
969 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
971 ## Motif needs -lgen.
972 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
974 AC_SUBST(LIBS_SYSTEM)
977 ### Make sure subsequent tests use flags consistent with the build flags.
979 if test x"${OVERRIDE_CPPFLAGS}" != x; then
980 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
982 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
985 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
986 AC_DEFUN([AC_TYPE_SIZE_T])
987 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
988 AC_DEFUN([AC_TYPE_UID_T])
990 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1001 START_FILES='pre-crt0.o'
1004 ## Adding -lm confuses the dynamic linker, so omit it.
1006 START_FILES='pre-crt0.o'
1009 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1010 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1012 gnu-linux | gnu-kfreebsd )
1013 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1014 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1016 hpux10-20 | hpux11 )
1018 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1021 if test -f $CRT_DIR/crti.o; then
1022 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1023 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1025 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1026 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1032 AC_SUBST(START_FILES)
1034 dnl Not all platforms use crtn.o files. Check if the current one does.
1037 for file in x $LIB_STANDARD $START_FILES; do
1039 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1043 if test "x$crt_files" != x; then
1045 ## If user specified a crt-dir, use that unconditionally.
1048 if test "X$CRT_DIR" = "X"; then
1050 CRT_DIR=/usr/lib # default
1052 case "$canonical" in
1053 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1054 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1055 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1056 ## For anything else (eg /usr/lib32), it is up the user to specify
1057 ## the location (bug#5655).
1058 ## Test for crtn.o, not just the directory, because sometimes the
1059 ## directory exists but does not have the relevant files (bug#1287).
1060 ## FIXME better to test for binary compatibility somehow.
1061 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1064 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1068 hpux10-20) CRT_DIR=/lib ;;
1071 test "x${GCC}" = xyes && crt_gcc=yes
1077 for file in $crt_files; do
1079 ## If we're using gcc, try to determine it automatically by asking
1080 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1081 ## system-dependent default from above.]
1082 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1084 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1087 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1092 dnl We expect all the files to be in a single directory, so after the
1093 dnl first there is no point asking gcc.
1096 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1099 test "x$crt_missing" = x || \
1100 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1101 Try using the --with-crt-dir option.])
1103 fi # crt_files != ""
1108 dnl This function definition taken from Gnome 2.0
1109 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1110 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1111 dnl also defines GSTUFF_PKG_ERRORS on error
1112 AC_DEFUN([PKG_CHECK_MODULES], [
1115 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1117 if test "$PKG_CONFIG" = "no" ; then
1118 ifelse([$4], , [AC_MSG_ERROR([
1119 *** 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])
1121 PKG_CONFIG_MIN_VERSION=0.9.0
1122 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1123 AC_MSG_CHECKING(for $2)
1125 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1129 AC_MSG_CHECKING($1_CFLAGS)
1130 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1131 AC_MSG_RESULT($$1_CFLAGS)
1133 AC_MSG_CHECKING($1_LIBS)
1134 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1135 AC_MSG_RESULT($$1_LIBS)
1140 ## If we have a custom action on failure, don't print errors, but
1141 ## do set a variable so people can do so.
1142 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1143 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1149 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1150 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1154 if test $succeeded = yes; then
1155 ifelse([$3], , :, [$3])
1157 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.])], [$4])
1162 if test "${with_sound}" != "no"; then
1163 # Sound support for GNU/Linux and the free BSDs.
1164 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1165 have_sound_header=yes)
1166 # Emulation library used on NetBSD.
1167 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1171 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1172 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1173 if test $HAVE_ALSA = yes; then
1174 SAVE_CFLAGS="$CFLAGS"
1175 SAVE_LDFLAGS="$LDFLAGS"
1176 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1177 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1178 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1179 emacs_alsa_normal=yes,
1180 emacs_alsa_normal=no)
1181 if test "$emacs_alsa_normal" != yes; then
1182 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1183 [[snd_lib_error_set_handler (0);]])],
1184 emacs_alsa_subdir=yes,
1185 emacs_alsa_subdir=no)
1186 if test "$emacs_alsa_subdir" != yes; then
1187 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1189 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1192 CFLAGS="$SAVE_CFLAGS"
1193 LDFLAGS="$SAVE_LDFLAGS"
1194 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1195 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1196 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1199 dnl Define HAVE_SOUND if we have sound support. We know it works and
1200 dnl compiles only on the specified platforms. For others, it
1201 dnl probably doesn't make sense to try.
1202 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1204 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1205 gnu-linux|freebsd|netbsd)
1206 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1211 AC_SUBST(CFLAGS_SOUND)
1214 dnl checks for header files
1215 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1216 linux/version.h sys/systeminfo.h limits.h \
1217 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1218 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1219 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1221 AC_MSG_CHECKING(if personality LINUX32 can be set)
1222 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1223 emacs_cv_personality_linux32=yes,
1224 emacs_cv_personality_linux32=no)
1225 AC_MSG_RESULT($emacs_cv_personality_linux32)
1227 if test $emacs_cv_personality_linux32 = yes; then
1228 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1229 [Define to 1 if personality LINUX32 can be set.])
1232 dnl On Solaris 8 there's a compilation warning for term.h because
1233 dnl it doesn't define `bool'.
1234 AC_CHECK_HEADERS(term.h, , , -)
1237 AC_CHECK_DECLS([sys_siglist])
1238 if test $ac_cv_have_decl_sys_siglist != yes; then
1239 # For Tru64, at least:
1240 AC_CHECK_DECLS([__sys_siglist])
1241 if test $ac_cv_have_decl___sys_siglist = yes; then
1242 AC_DEFINE(sys_siglist, __sys_siglist,
1243 [Define to any substitute for sys_siglist.])
1248 dnl Some systems have utime.h but don't declare the struct anyplace.
1249 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1250 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1251 #include <sys/time.h>
1254 #ifdef HAVE_SYS_TIME_H
1255 #include <sys/time.h>
1262 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1263 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1264 if test $emacs_cv_struct_utimbuf = yes; then
1265 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1268 dnl Check for speed_t typedef.
1269 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1270 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1271 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1272 if test $emacs_cv_speed_t = yes; then
1273 AC_DEFINE(HAVE_SPEED_T, 1,
1274 [Define to 1 if `speed_t' is declared by <termios.h>.])
1277 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1278 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1279 #include <sys/time.h>
1282 #ifdef HAVE_SYS_TIME_H
1283 #include <sys/time.h>
1287 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1288 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1289 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1290 if test $emacs_cv_struct_timeval = yes; then
1291 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1294 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1295 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1296 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1297 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1298 HAVE_EXCEPTION=$emacs_cv_struct_exception
1299 if test $emacs_cv_struct_exception != yes; then
1300 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1303 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1304 #if HAVE_SYS_SOCKET_H
1305 #include <sys/socket.h>
1308 dnl checks for structure members
1311 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1312 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1313 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1314 [#include <time.h>])
1315 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1316 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1317 struct ifreq.ifr_addr], , ,
1318 [AC_INCLUDES_DEFAULT
1319 #if HAVE_SYS_SOCKET_H
1320 #include <sys/socket.h>
1326 dnl checks for compiler characteristics
1328 dnl Testing __STDC__ to determine prototype support isn't good enough.
1329 dnl DEC C, for instance, doesn't define it with default options, and
1330 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1335 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1336 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1337 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1338 if test $emacs_cv_void_star = yes; then
1339 AC_DEFINE(POINTER_TYPE, void)
1341 AC_DEFINE(POINTER_TYPE, char)
1343 AH_TEMPLATE(POINTER_TYPE,
1344 [Define as `void' if your compiler accepts `void *'; otherwise
1345 define as `char'.])dnl
1347 dnl Check for endianess
1350 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1351 [emacs_cv_attribute_aligned],
1354 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1356 [emacs_cv_attribute_aligned=yes],
1357 [emacs_cv_attribute_aligned=no])])
1358 if test $emacs_cv_attribute_aligned = yes; then
1359 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1360 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1363 dnl check for Make feature
1369 dnl check for GNU Make if we have GCC and autodepend is on.
1370 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1371 AC_MSG_CHECKING([whether we are using GNU Make])
1373 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1374 if test "x$testval" != x; then
1377 ac_enable_autodepend=no
1379 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1380 if test $HAVE_GNU_MAKE = yes; then
1381 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1382 SAVE_CFLAGS="$CFLAGS"
1383 CFLAGS="$CFLAGS -MMD -MF deps.d"
1384 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1385 CFLAGS="$SAVE_CFLAGS"
1386 test -f deps.d || ac_enable_autodepend=no
1388 AC_MSG_RESULT([$ac_enable_autodepend])
1390 if test $ac_enable_autodepend = yes; then
1391 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1392 ## In parallel builds, another make might create depdir between
1393 ## the first test and mkdir, so stick another test on the end.
1394 ## Or use install-sh -d? mkdir -p is not portable.
1395 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1396 deps_frag=autodeps.mk
1399 deps_frag=$srcdir/src/$deps_frag
1402 AC_SUBST_FILE(deps_frag)
1405 lisp_frag=$srcdir/src/lisp.mk
1406 AC_SUBST_FILE(lisp_frag)
1409 dnl checks for operating system services
1410 AC_SYS_LONG_FILE_NAMES
1412 #### Choose a window system.
1415 if test "$no_x" = yes; then
1421 ## Workaround for bug in autoconf <= 2.62.
1422 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1423 ## No need to do anything special for these standard directories.
1424 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1426 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1430 LD_SWITCH_X_SITE_AUX=
1431 LD_SWITCH_X_SITE_AUX_RPATH=
1432 if test "${x_libraries}" != NONE; then
1433 if test -n "${x_libraries}"; then
1434 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1435 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1436 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1438 x_default_search_path=""
1439 x_search_path=${x_libraries}
1440 if test -z "${x_search_path}"; then
1441 x_search_path=/usr/lib
1443 for x_library in `echo ${x_search_path}: | \
1444 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1446 ${x_library}/X11/%L/%T/%N%C%S:\
1447 ${x_library}/X11/%l/%T/%N%C%S:\
1448 ${x_library}/X11/%T/%N%C%S:\
1449 ${x_library}/X11/%L/%T/%N%S:\
1450 ${x_library}/X11/%l/%T/%N%S:\
1451 ${x_library}/X11/%T/%N%S"
1452 if test x"${x_default_search_path}" = x; then
1453 x_default_search_path=${x_search_path}
1455 x_default_search_path="${x_search_path}:${x_default_search_path}"
1459 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1460 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1462 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1463 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1466 if test x"${x_includes}" = x; then
1467 bitmapdir=/usr/include/X11/bitmaps
1469 # accumulate include directories that have X11 bitmap subdirectories
1471 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1472 if test -d "${bmd}/X11/bitmaps"; then
1473 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1475 if test -d "${bmd}/bitmaps"; then
1476 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1479 if test ${bmd_acc} != "dummyval"; then
1480 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1487 tmp_CPPFLAGS="$CPPFLAGS"
1488 tmp_CFLAGS="$CFLAGS"
1489 CPPFLAGS="$CPPFLAGS -x objective-c"
1490 CFLAGS="$CFLAGS -x objective-c"
1491 TEMACS_LDFLAGS2="\${LDFLAGS}"
1492 dnl I don't think it's especially important, but src/Makefile.in
1493 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1494 dnl trailing "/" to it, so now we do it here.
1495 if test "${with_ns}" != no; then
1496 if test "${opsys}" = darwin; then
1498 ns_appdir=`pwd`/nextstep/Emacs.app
1499 ns_appbindir=${ns_appdir}/Contents/MacOS/
1500 ns_appresdir=${ns_appdir}/Contents/Resources
1501 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1502 elif test -f $GNUSTEP_CONFIG_FILE; then
1504 ns_appdir=`pwd`/nextstep/Emacs.app
1505 ns_appbindir=${ns_appdir}/
1506 ns_appresdir=${ns_appdir}/Resources
1507 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1508 dnl FIXME sourcing this several times in subshells seems inefficient.
1509 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1510 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1511 dnl I seemed to need these as well with GNUstep-startup 0.25.
1512 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1513 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1514 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1515 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1516 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1517 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1518 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1519 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1520 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1525 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1526 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1527 files are missing or cannot be compiled.])])
1528 NS_HAVE_NSINTEGER=yes
1529 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1531 ns_have_nsinteger=yes,
1532 ns_have_nsinteger=no)
1533 if test $ns_have_nsinteger = no; then
1534 NS_HAVE_NSINTEGER=no
1537 AC_SUBST(TEMACS_LDFLAGS2)
1542 if test "${HAVE_NS}" = yes; then
1543 window_system=nextstep
1545 # set up packaging dirs
1546 exec_prefix=${ns_appbindir}
1547 libexecdir=${ns_appbindir}/libexec
1548 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1549 prefix=${ns_appresdir}
1551 ns_frag=$srcdir/src/ns.mk
1552 NS_OBJ="fontset.o fringe.o image.o"
1553 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1555 CFLAGS="$tmp_CFLAGS"
1556 CPPFLAGS="$tmp_CPPFLAGS"
1558 AC_SUBST(NS_OBJC_OBJ)
1559 AC_SUBST(LIB_STANDARD)
1560 AC_SUBST_FILE(ns_frag)
1562 case "${window_system}" in
1566 case "${with_x_toolkit}" in
1567 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1568 motif ) USE_X_TOOLKIT=MOTIF ;;
1570 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1571 dnl USE_X_TOOLKIT is set.
1572 USE_X_TOOLKIT=none ;;
1573 gtk3 ) with_gtk3=yes
1574 USE_X_TOOLKIT=none ;;
1575 no ) USE_X_TOOLKIT=none ;;
1576 dnl If user did not say whether to use a toolkit, make this decision later:
1577 dnl use the toolkit if we have gtk, or X11R5 or newer.
1578 * ) USE_X_TOOLKIT=maybe ;;
1588 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1589 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1590 if test "$HAVE_XSERVER" = true ||
1591 test -n "$DISPLAY" ||
1592 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1593 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1594 were found. You should install the relevant development files for X
1595 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1596 sure you have development files for image handling, i.e.
1597 tiff, gif, jpeg, png and xpm.
1598 If you are sure you want Emacs compiled without X window support, pass
1604 ### If we're using X11, we should use the X menu package.
1607 yes ) HAVE_MENUS=yes ;;
1610 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1611 # Assume not, until told otherwise.
1614 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1615 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1616 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1617 emacs_cv_var___after_morecore_hook,
1618 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1619 emacs_cv_var___after_morecore_hook=yes,
1620 emacs_cv_var___after_morecore_hook=no)])
1621 if test $emacs_cv_var___after_morecore_hook = no; then
1626 dnl See comments in aix4-2.h about maybe using system malloc there.
1629 ## darwin ld insists on the use of malloc routines in the System framework.
1630 darwin|sol2-10) system_malloc=yes ;;
1633 if test "${system_malloc}" = "yes"; then
1634 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1637 (The GNU allocators don't work with this system configuration.)"
1641 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1642 VMLIMIT_OBJ=vm-limit.o
1644 AC_SUBST(GMALLOC_OBJ)
1645 AC_SUBST(VMLIMIT_OBJ)
1647 if test "$doug_lea_malloc" = "yes" ; then
1648 if test "$GNU_MALLOC" = yes ; then
1650 (Using Doug Lea's new malloc from the GNU C Library.)"
1652 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1653 [Define to 1 if you are using the GNU C Library.])
1655 ## Use mmap directly for allocating larger buffers.
1656 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1657 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1658 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1660 gnu*) REL_ALLOC=no ;;
1664 if test x"${REL_ALLOC}" = x; then
1665 REL_ALLOC=${GNU_MALLOC}
1668 use_mmap_for_buffers=no
1670 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1674 if test $use_mmap_for_buffers = yes; then
1675 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1679 LIBS="$LIBS_SYSTEM $LIBS"
1681 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1682 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1683 AC_CHECK_LIB(dnet, dnet_ntoa)
1684 dnl This causes -lresolv to get used in subsequent tests,
1685 dnl which causes failures on some systems such as HPUX 9.
1686 dnl AC_CHECK_LIB(resolv, gethostbyname)
1688 dnl FIXME replace main with a function we actually want from this library.
1689 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1691 AC_CHECK_LIB(pthreads, cma_open)
1693 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1694 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1695 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1696 ## added to LIBS in configure would never contain the pthreads part,
1697 ## but the value used in Makefiles might. FIXME?
1699 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1700 ## be harmless on older versions of X where it happens to exist.
1701 test "$opsys" = "aix4-2" && \
1702 test $ac_cv_lib_pthreads_cma_open = yes && \
1703 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1705 dnl Check for need for bigtoc support on IBM AIX
1709 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1711 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1712 *) gdb_cv_bigtoc=-bbigtoc ;;
1715 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1716 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1721 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1722 # used for the tests that follow. We set them back to REAL_CFLAGS and
1723 # REAL_CPPFLAGS later on.
1725 REAL_CFLAGS="$CFLAGS"
1726 REAL_CPPFLAGS="$CPPFLAGS"
1728 if test "${HAVE_X11}" = "yes"; then
1729 DEFS="$C_SWITCH_X_SITE $DEFS"
1730 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1732 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1733 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1735 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1736 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1737 # but it's more convenient here to set LD_RUN_PATH
1738 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1739 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1740 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1744 if test "${opsys}" = "gnu-linux"; then
1745 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1746 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1747 [[XOpenDisplay ("foo");]])],
1748 [xlinux_first_failure=no],
1749 [xlinux_first_failure=yes])
1750 if test "${xlinux_first_failure}" = "yes"; then
1751 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1752 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1753 OLD_CPPFLAGS="$CPPFLAGS"
1755 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1756 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1757 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1758 LIBS="$LIBS -b i486-linuxaout"
1759 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1760 [[XOpenDisplay ("foo");]])],
1761 [xlinux_second_failure=no],
1762 [xlinux_second_failure=yes])
1763 if test "${xlinux_second_failure}" = "yes"; then
1764 # If we get the same failure with -b, there is no use adding -b.
1765 # So take it out. This plays safe.
1766 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1767 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1768 CPPFLAGS="$OLD_CPPFLAGS"
1779 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1780 # header files included from there.
1781 AC_MSG_CHECKING(for Xkb)
1782 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1783 #include <X11/XKBlib.h>]],
1784 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1785 emacs_xkb=yes, emacs_xkb=no)
1786 AC_MSG_RESULT($emacs_xkb)
1787 if test $emacs_xkb = yes; then
1788 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1791 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1792 XScreenNumberOfScreen XSetWMProtocols)
1795 if test "${window_system}" = "x11"; then
1796 AC_MSG_CHECKING(X11 version 6)
1797 AC_CACHE_VAL(emacs_cv_x11_version_6,
1798 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1799 [[#if XlibSpecificationRelease < 6
1802 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1803 if test $emacs_cv_x11_version_6 = yes; then
1804 AC_MSG_RESULT(6 or newer)
1805 AC_DEFINE(HAVE_X11R6, 1,
1806 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1807 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1808 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1812 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1813 [Define if you have usable X11R6-style XIM support.])
1817 AC_MSG_RESULT(before 6)
1822 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1824 if test "${HAVE_X11}" = "yes" || test "${NS_IMPL_GNUSTEP}" = "yes"; then
1825 if test "${with_rsvg}" != "no"; then
1826 RSVG_REQUIRED=2.11.0
1827 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1829 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1830 AC_SUBST(RSVG_CFLAGS)
1833 if test $HAVE_RSVG = yes; then
1834 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1835 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1836 LIBS="$RSVG_LIBS $LIBS"
1842 if test "${HAVE_X11}" = "yes"; then
1843 if test "${with_imagemagick}" != "no"; then
1844 ## 6.2.8 is the earliest version known to work, but earlier versions
1845 ## might work - let us know if you find one.
1846 ## 6.0.7 does not work. See bug#7955.
1847 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1848 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1849 AC_SUBST(IMAGEMAGICK_CFLAGS)
1850 AC_SUBST(IMAGEMAGICK_LIBS)
1852 if test $HAVE_IMAGEMAGICK = yes; then
1853 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1854 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1855 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1856 AC_CHECK_FUNCS(MagickExportImagePixels)
1864 if test "${with_gtk3}" = "yes"; then
1867 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1869 dnl Checks for libraries.
1870 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1871 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1872 AC_MSG_ERROR($GTK_PKG_ERRORS)
1874 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1875 GTK_OBJ=emacsgtkfixed.o
1878 if test "$pkg_check_gtk" != "yes"; then
1880 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1883 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1885 dnl Checks for libraries.
1886 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1887 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1888 AC_MSG_ERROR($GTK_PKG_ERRORS)
1893 if test x"$pkg_check_gtk" = xyes; then
1895 AC_SUBST(GTK_CFLAGS)
1897 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1898 CFLAGS="$CFLAGS $GTK_CFLAGS"
1899 LIBS="$GTK_LIBS $LIBS"
1900 dnl Try to compile a simple GTK program.
1902 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1903 if test "${GTK_COMPILES}" != "yes"; then
1904 if test "$USE_X_TOOLKIT" != "maybe"; then
1905 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1909 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1910 GTK_OBJ="gtkutil.o $GTK_OBJ"
1912 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1915 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1916 closing open displays. This is no problem if you just use
1917 one display, but if you use more than one and close one of them
1927 if test "${HAVE_GTK}" = "yes"; then
1929 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1930 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1931 if test "$with_toolkit_scroll_bars" != no; then
1932 with_toolkit_scroll_bars=yes
1935 dnl Check if we have the old file selection dialog declared and
1936 dnl in the link library. In 2.x it may be in the library,
1937 dnl but not declared if deprecated featured has been selected out.
1938 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1939 HAVE_GTK_FILE_SELECTION=no
1940 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1941 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1942 #include <gtk/gtk.h>])
1943 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1944 AC_CHECK_FUNCS(gtk_file_selection_new)
1947 dnl Check if pthreads are available. Emacs only needs this when using
1948 dnl gtk_file_chooser under Gnome.
1949 HAVE_GTK_AND_PTHREAD=no
1950 AC_CHECK_HEADERS(pthread.h)
1951 if test "$ac_cv_header_pthread_h"; then
1952 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1954 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1955 case "${canonical}" in
1957 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1959 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1960 [Define to 1 if you have GTK and pthread (-lpthread).])
1963 dnl Check for functions introduced in 2.14 and later.
1964 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1965 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1966 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1967 gtk_orientable_set_orientation)
1971 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1972 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1973 dnl also not configured.
1976 if test "${with_dbus}" = "yes"; then
1977 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1978 if test "$HAVE_DBUS" = yes; then
1979 LIBS="$LIBS $DBUS_LIBS"
1980 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1981 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1987 dnl GSettings has been tested under GNU/Linux only.
1989 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
1990 PKG_CHECK_MODULES(GSETTINGS, glib-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
1991 if test "$HAVE_GSETTINGS" = "yes"; then
1992 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
1993 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
1994 SETTINGS_LIBS="$GSETTINGS_LIBS"
1998 dnl GConf has been tested under GNU/Linux only.
1999 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2001 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2002 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2003 if test "$HAVE_GCONF" = yes; then
2004 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2005 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2006 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2007 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2011 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2012 SAVE_CFLAGS="$CFLAGS"
2013 SAVE_LDFLAGS="$LDFLAGS"
2014 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2015 LDFLAGS="$SETTINGS_LIBS $LDFLAGS"
2016 AC_CHECK_FUNCS([g_type_init])
2017 CFLAGS="$SAVE_CFLAGS"
2018 LDFLAGS="$SAVE_LDFLAGS"
2020 AC_SUBST(SETTINGS_CFLAGS)
2021 AC_SUBST(SETTINGS_LIBS)
2024 dnl SELinux is available for GNU/Linux only.
2027 if test "${with_selinux}" = "yes"; then
2028 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2029 if test "$HAVE_LIBSELINUX" = yes; then
2030 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2031 LIBSELINUX_LIBS=-lselinux
2034 AC_SUBST(LIBSELINUX_LIBS)
2037 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2038 if test "${with_gnutls}" = "yes" ; then
2039 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.0], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2040 if test "${HAVE_GNUTLS}" = "yes"; then
2041 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2044 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2045 LIBS="$LIBGNUTLS_LIBS $LIBS"
2046 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2048 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2049 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2053 AC_SUBST(LIBGNUTLS_LIBS)
2054 AC_SUBST(LIBGNUTLS_CFLAGS)
2056 dnl Do not put whitespace before the #include statements below.
2057 dnl Older compilers (eg sunos4 cc) choke on it.
2060 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2061 if test "$with_xaw3d" != no; then
2062 AC_MSG_CHECKING(for xaw3d)
2063 AC_CACHE_VAL(emacs_cv_xaw3d,
2064 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2065 #include <X11/Intrinsic.h>
2066 #include <X11/Xaw3d/Simple.h>]],
2068 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2069 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2070 emacs_cv_xaw3d=no)])
2074 if test $emacs_cv_xaw3d = yes; then
2075 AC_MSG_RESULT([yes; using Lucid toolkit])
2079 AC_DEFINE(HAVE_XAW3D, 1,
2080 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2083 AC_MSG_CHECKING(for libXaw)
2084 AC_CACHE_VAL(emacs_cv_xaw,
2085 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2086 #include <X11/Intrinsic.h>
2087 #include <X11/Xaw/Simple.h>]],
2091 if test $emacs_cv_xaw = yes; then
2092 AC_MSG_RESULT([yes; using Lucid toolkit])
2095 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2096 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2098 AC_MSG_ERROR([No X toolkit could be found.
2099 If you are sure you want Emacs compiled without an X toolkit, pass
2101 to configure. Otherwise, install the development libraries for the toolkit
2102 that you want to use (e.g. Gtk+) and re-run configure.])
2107 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2110 if test "${USE_X_TOOLKIT}" != "none"; then
2111 AC_MSG_CHECKING(X11 toolkit version)
2112 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2113 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2114 [[#if XtSpecificationRelease < 6
2117 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2118 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2119 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2120 AC_MSG_RESULT(6 or newer)
2121 AC_DEFINE(HAVE_X11XTR6, 1,
2122 [Define to 1 if you have the X11R6 or newer version of Xt.])
2123 LIBXTR6="-lSM -lICE"
2125 ## Use libw.a along with X11R6 Xt.
2126 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2129 AC_MSG_RESULT(before 6)
2132 dnl If using toolkit, check whether libXmu.a exists.
2133 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2135 if test x$HAVE_X11XTR6 = xyes; then
2136 LIBS="-lXt -lSM -lICE $LIBS"
2140 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2141 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2145 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2146 dnl Why not just test for libxmu in the normal way?
2149 ## These systems don't supply Xmu.
2151 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2156 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2157 if test "${HAVE_X11}" = "yes"; then
2158 if test "${USE_X_TOOLKIT}" != "none"; then
2159 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2164 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2165 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2166 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2167 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2170 Motif version prior to 2.1.
2172 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2173 if test $emacs_cv_motif_version_2_1 = yes; then
2174 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2176 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2177 # We put this in CFLAGS temporarily to precede other -I options
2178 # that might be in CFLAGS temporarily.
2179 # We put this in CPPFLAGS where it precedes the other -I options.
2180 OLD_CPPFLAGS=$CPPFLAGS
2182 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2183 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2184 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2186 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2187 if test $emacs_cv_lesstif = yes; then
2188 # Make sure this -I option remains in CPPFLAGS after it is set
2189 # back to REAL_CPPFLAGS.
2190 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2191 # have those other -I options anyway. Ultimately, having this
2192 # directory ultimately in CPPFLAGS will be enough.
2193 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2194 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2197 CPPFLAGS=$OLD_CPPFLAGS
2202 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2203 dnl using Motif or Xaw3d is available, and unless
2204 dnl --with-toolkit-scroll-bars=no was specified.
2206 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2207 [Define to 1 if we should use toolkit scroll bars.])dnl
2208 USE_TOOLKIT_SCROLL_BARS=no
2209 if test "${with_toolkit_scroll_bars}" != "no"; then
2210 if test "${USE_X_TOOLKIT}" != "none"; then
2211 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2212 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2214 USE_TOOLKIT_SCROLL_BARS=yes
2215 elif test "${HAVE_XAW3D}" = "yes"; then
2216 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2217 USE_TOOLKIT_SCROLL_BARS=yes
2219 elif test "${HAVE_GTK}" = "yes"; then
2220 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2221 USE_TOOLKIT_SCROLL_BARS=yes
2222 elif test "${HAVE_NS}" = "yes"; then
2223 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2224 USE_TOOLKIT_SCROLL_BARS=yes
2228 dnl See if XIM is available.
2229 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2230 #include <X11/Xlib.h>
2231 #include <X11/Xresource.h>]],
2232 [[XIMProc callback;]])],
2234 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2237 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2239 if test "${with_xim}" != "no"; then
2240 AC_DEFINE(USE_XIM, 1,
2241 [Define to 1 if we should use XIM, if it is available.])
2245 if test "${HAVE_XIM}" != "no"; then
2247 if test "$GCC" = yes; then
2248 CFLAGS="$CFLAGS --pedantic-errors"
2250 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2251 #include <X11/Xlib.h>
2252 #include <X11/Xresource.h>]],
2258 XPointer *client_data;
2260 /* If we're not using GCC, it's probably not XFree86, and this is
2261 probably right, but we can't use something like --pedantic-errors. */
2262 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2263 char*, XIMProc, XPointer*);
2265 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2267 [emacs_cv_arg6_star=yes])
2268 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2269 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2270 either XPointer or XPointer*.])dnl
2271 if test "$emacs_cv_arg6_star" = yes; then
2272 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2274 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2279 ### Start of font-backend (under any platform) section.
2280 # (nothing here yet -- this is a placeholder)
2281 ### End of font-backend (under any platform) section.
2283 ### Start of font-backend (under X11) section.
2284 if test "${HAVE_X11}" = "yes"; then
2285 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2287 ## Use -lXft if available, unless `--with-xft=no'.
2289 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2292 if test "x${with_xft}" != "xno"; then
2294 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2295 ## Because xftfont.c uses XRenderQueryExtension, we also
2296 ## need to link to -lXrender.
2298 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2299 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2300 OLD_CPPFLAGS="$CPPFLAGS"
2301 OLD_CFLAGS="$CFLAGS"
2303 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2304 CFLAGS="$CFLAGS $XFT_CFLAGS"
2305 XFT_LIBS="-lXrender $XFT_LIBS"
2306 LIBS="$XFT_LIBS $LIBS"
2307 AC_CHECK_HEADER(X11/Xft/Xft.h,
2308 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2310 if test "${HAVE_XFT}" = "yes"; then
2311 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2313 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2315 CPPFLAGS="$OLD_CPPFLAGS"
2316 CFLAGS="$OLD_CFLAGS"
2318 fi # "${HAVE_XFT}" = "yes"
2319 fi # "$HAVE_XFT" != no
2320 fi # "x${with_xft}" != "xno"
2322 ## We used to allow building with FreeType and without Xft.
2323 ## However, the ftx font backend driver is not in good shape.
2324 if test "$HAVE_XFT" != "yes"; then
2325 dnl For the "Does Emacs use" message at the end.
2329 dnl Strict linkers fail with
2330 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2331 dnl if -lfreetype is not specified.
2332 dnl The following is needed to set FREETYPE_LIBS.
2333 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2336 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2340 if test "${HAVE_FREETYPE}" = "yes"; then
2341 AC_DEFINE(HAVE_FREETYPE, 1,
2342 [Define to 1 if using the freetype and fontconfig libraries.])
2343 if test "${with_libotf}" != "no"; then
2344 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2346 if test "$HAVE_LIBOTF" = "yes"; then
2347 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2348 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2349 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2350 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2351 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2352 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2353 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2357 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2358 dnl Does the new font backend require it, or can it work without it?
2362 if test "${HAVE_LIBOTF}" = yes; then
2363 if test "${with_m17n_flt}" != "no"; then
2364 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2365 if test "$HAVE_M17N_FLT" = "yes"; then
2366 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2377 ### End of font-backend (under X11) section.
2379 AC_SUBST(FREETYPE_CFLAGS)
2380 AC_SUBST(FREETYPE_LIBS)
2381 AC_SUBST(FONTCONFIG_CFLAGS)
2382 AC_SUBST(FONTCONFIG_LIBS)
2383 AC_SUBST(LIBOTF_CFLAGS)
2384 AC_SUBST(LIBOTF_LIBS)
2385 AC_SUBST(M17N_FLT_CFLAGS)
2386 AC_SUBST(M17N_FLT_LIBS)
2388 ### Use -lXpm if available, unless `--with-xpm=no'.
2391 if test "${HAVE_X11}" = "yes"; then
2392 if test "${with_xpm}" != "no"; then
2393 AC_CHECK_HEADER(X11/xpm.h,
2394 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2395 if test "${HAVE_XPM}" = "yes"; then
2396 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2397 AC_EGREP_CPP(no_return_alloc_pixels,
2398 [#include "X11/xpm.h"
2399 #ifndef XpmReturnAllocPixels
2400 no_return_alloc_pixels
2402 ], HAVE_XPM=no, HAVE_XPM=yes)
2404 if test "${HAVE_XPM}" = "yes"; then
2412 if test "${HAVE_XPM}" = "yes"; then
2413 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2419 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2422 if test "${HAVE_X11}" = "yes"; then
2423 if test "${with_jpeg}" != "no"; then
2424 dnl Checking for jpeglib.h can lose because of a redefinition of
2426 AC_CHECK_HEADER(jerror.h,
2427 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2430 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2431 if test "${HAVE_JPEG}" = "yes"; then
2432 AC_DEFINE(HAVE_JPEG)
2433 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2434 [#include <jpeglib.h>
2435 version=JPEG_LIB_VERSION
2437 [AC_DEFINE(HAVE_JPEG)],
2438 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2441 if test "${HAVE_JPEG}" = "yes"; then
2447 ### Use -lpng if available, unless `--with-png=no'.
2450 if test "${HAVE_X11}" = "yes"; then
2451 if test "${with_png}" != "no"; then
2452 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2453 # in /usr/include/libpng.
2454 AC_CHECK_HEADERS(png.h libpng/png.h)
2455 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2456 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2460 if test "${HAVE_PNG}" = "yes"; then
2461 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2462 LIBPNG="-lpng -lz -lm"
2467 ### Use -ltiff if available, unless `--with-tiff=no'.
2470 if test "${HAVE_X11}" = "yes"; then
2471 if test "${with_tiff}" != "no"; then
2472 AC_CHECK_HEADER(tiffio.h,
2474 # At least one tiff package requires the jpeg library.
2475 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2476 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2479 if test "${HAVE_TIFF}" = "yes"; then
2480 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2481 dnl FIXME -lz -lm, as per libpng?
2487 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2490 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2491 AC_CHECK_HEADER(gif_lib.h,
2492 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2493 # Earlier versions can crash Emacs.
2494 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2496 if test "$HAVE_GIF" = yes; then
2498 elif test "$HAVE_GIF" = maybe; then
2499 # If gif_lib.h but no libgif, try libungif.
2500 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2501 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2504 if test "${HAVE_GIF}" = "yes"; then
2505 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2510 dnl Check for required libraries.
2511 if test "${HAVE_X11}" = "yes"; then
2514 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2515 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2516 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2517 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2518 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2519 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2520 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2521 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2522 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2523 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2525 if test "X${MISSING}" != X; then
2526 AC_MSG_ERROR([The following required libraries were not found:
2528 Maybe some development libraries/packages are missing?
2529 If you don't want to link with them give
2531 as options to configure])
2535 ### Use -lgpm if available, unless `--with-gpm=no'.
2538 if test "${with_gpm}" != "no"; then
2539 AC_CHECK_HEADER(gpm.h,
2540 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2542 if test "${HAVE_GPM}" = "yes"; then
2543 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2549 dnl Check for malloc/malloc.h on darwin
2550 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.])])
2553 ### Use NeXTstep API to implement GUI.
2554 if test "${HAVE_NS}" = "yes"; then
2555 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2556 if test "${NS_IMPL_COCOA}" = "yes"; then
2557 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2560 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2561 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2562 # See also .m.o rule in Makefile.in */
2563 # FIXME: are all these flags really needed? Document here why. */
2564 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2565 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2567 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2568 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2570 # We also have mouse menus.
2576 ### Use session management (-lSM -lICE) if available
2579 if test "${HAVE_X11}" = "yes"; then
2580 AC_CHECK_HEADER(X11/SM/SMlib.h,
2581 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2583 if test "${HAVE_X_SM}" = "yes"; then
2584 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2588 *) LIBS="$LIBXSM $LIBS" ;;
2594 ### Use libxml (-lxml2) if available
2595 if test "${with_xml2}" != "no"; then
2596 ### I'm not sure what the version number should be, so I just guessed.
2597 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2598 if test "${HAVE_LIBXML2}" = "yes"; then
2599 LIBS="$LIBXML2_LIBS $LIBS"
2600 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2601 if test "${HAVE_LIBXML2}" = "yes"; then
2602 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2609 AC_SUBST(LIBXML2_LIBS)
2610 AC_SUBST(LIBXML2_CFLAGS)
2612 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2613 AC_CACHE_CHECK(whether netdb declares h_errno,
2614 emacs_cv_netdb_declares_h_errno,
2615 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2616 [[return h_errno;]])],
2617 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2618 if test $emacs_cv_netdb_declares_h_errno = yes; then
2619 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2622 # fmod, logb, and frexp are found in -lm on most systems.
2623 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2624 AC_CHECK_LIB(m, sqrt)
2626 # Check for mail-locking functions in a "mail" library. Probably this should
2627 # have the same check as for liblockfile below.
2628 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2629 if test $have_mail = yes; then
2631 LIBS="$LIBS_MAIL $LIBS"
2632 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2636 dnl Debian, at least:
2637 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2638 if test $have_lockfile = yes; then
2639 LIBS_MAIL=-llockfile
2640 LIBS="$LIBS_MAIL $LIBS"
2641 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2643 # If we have the shared liblockfile, assume we must use it for mail
2644 # locking (e.g. Debian). If we couldn't link against liblockfile
2645 # (no liblockfile.a installed), ensure that we don't need to.
2646 dnl This works for files generally, not just executables.
2647 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2648 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2649 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2650 if test $ac_cv_prog_liblockfile = yes; then
2651 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2652 This probably means that movemail could lose mail.
2653 There may be a `development' package to install containing liblockfile.])
2656 AC_CHECK_FUNCS(touchlock)
2657 AC_CHECK_HEADERS(maillock.h)
2660 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2661 ## interlock access to the mail spool. The alternative is a lock file named
2662 ## /usr/spool/mail/$USER.lock.
2665 aix4-2) mail_lock="lockf" ;;
2667 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2669 ## On GNU/Linux systems, both methods are used by various mail programs.
2670 ## I assume most people are using newer mailers that have heard of flock.
2671 ## Change this if you need to.
2672 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2673 ## configure gets the right answers, and that means *NOT* using flock.
2674 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2675 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2676 ## Debian maintainer hasn't provided a clean fix for Emacs.
2677 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2678 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2679 ## correct logic. -- fx
2680 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2681 ## liblockfile is a Free Software replacement for libmail, used on
2682 ## Debian systems and elsewhere. -rfr.
2685 if test $have_mail = yes || test $have_lockfile = yes; then
2686 test $ac_cv_header_maillock_h = yes && mail_lock=no
2692 case "$mail_lock" in
2693 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2695 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2697 *) BLESSMAIL_TARGET="need-blessmail" ;;
2699 AC_SUBST(BLESSMAIL_TARGET)
2702 AC_CHECK_FUNCS(gethostname getdomainname \
2703 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2704 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2705 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2706 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2707 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm strchr strrchr \
2708 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2709 gai_strerror mkstemp getline getdelim mremap memmove fsync sync \
2710 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2711 cfmakeraw cfsetspeed isnan copysign __executable_start)
2713 dnl Cannot use AC_CHECK_FUNCS
2714 AC_CACHE_CHECK([for __builtin_unwind_init],
2715 emacs_cv_func___builtin_unwind_init,
2716 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2717 emacs_cv_func___builtin_unwind_init=yes,
2718 emacs_cv_func___builtin_unwind_init=no)])
2719 if test $emacs_cv_func___builtin_unwind_init = yes; then
2720 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2721 [Define to 1 if you have the `__builtin_unwind_init' function.])
2724 AC_CHECK_HEADERS(sys/un.h)
2731 AC_CHECK_FUNCS(grantpt)
2733 # PTY-related GNU extensions.
2734 AC_CHECK_FUNCS(getpt)
2736 # Check this now, so that we will NOT find the above functions in ncurses.
2737 # That is because we have not set up to link ncurses in lib-src.
2738 # It's better to believe a function is not available
2739 # than to expect to find it in ncurses.
2740 # Also we need tputs and friends to be able to build at all.
2741 have_tputs_et_al=true
2742 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2743 if test "$have_tputs_et_al" != true; then
2744 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2745 Maybe some development libraries/packages are missing? Try installing
2746 libncurses-dev(el), libterminfo-dev(el) or similar.])
2748 # Must define this when any termcap library is found.
2749 AC_DEFINE(HAVE_LIBNCURSES, 1,
2750 [Define to 1 if you have the `ncurses' library (-lncurses).])
2751 ## FIXME This was the cpp logic, but I am not sure it is right.
2752 ## The above test has not necessarily found libncurses.
2755 ## Use terminfo instead of termcap?
2756 ## Note only system files NOT using terminfo are:
2757 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2758 ## darwin|gnu without ncurses.
2762 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2763 ## hpux10-20: Use the system provided termcap(3) library.
2764 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2765 ## is necessary. Otherwise Emacs dumps core when run -nw.
2766 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2768 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2769 ## The ncurses library has been moved out of the System framework in
2770 ## Mac OS X 10.2. So if configure detects it, set the command-line
2771 ## option to use it.
2773 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2774 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2776 LIBS_TERMCAP="-lncurses"
2781 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2782 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2783 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2784 [[#if __FreeBSD_version < 400000
2787 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2789 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2791 if test $emacs_cv_freebsd_terminfo = yes; then
2793 LIBS_TERMCAP="-lncurses"
2795 LIBS_TERMCAP="-ltermcap"
2800 if test $ac_cv_search_tputs = -lterminfo; then
2802 LIBS_TERMCAP="-lterminfo"
2804 LIBS_TERMCAP="-ltermcap"
2811 ## hpux: Make sure we get select from libc rather than from libcurses
2812 ## because libcurses on HPUX 10.10 has a broken version of select.
2813 ## We used to use -lc -lcurses, but this may be cleaner.
2814 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2816 openbsd) LIBS_TERMCAP="-lncurses" ;;
2818 ## Must use system termcap, if we use any termcap. It does special things.
2819 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2822 TERMCAP_OBJ=tparam.o
2823 if test $TERMINFO = yes; then
2824 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2826 ## Default used to be -ltermcap. Add a case above if need something else.
2827 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2829 TERMCAP_OBJ=terminfo.o
2831 AC_SUBST(LIBS_TERMCAP)
2832 AC_SUBST(TERMCAP_OBJ)
2835 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2837 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2838 #include <arpa/nameser.h>
2839 #include <resolv.h>]],
2840 [[return res_init();]])],
2841 have_res_init=yes, have_res_init=no)
2842 if test "$have_res_init" = no; then
2844 LIBS="$LIBS -lresolv"
2845 AC_MSG_CHECKING(for res_init with -lresolv)
2846 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2847 #include <arpa/nameser.h>
2848 #include <resolv.h>]],
2849 [[return res_init();]])],
2850 have_res_init=yes, have_res_init=no)
2851 AC_MSG_RESULT($have_res_init)
2852 if test "$have_res_init" = yes ; then
2858 if test "$have_res_init" = yes; then
2859 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2862 # Do we need the Hesiod library to provide the support routines?
2864 if test "$with_hesiod" != no ; then
2865 # Don't set $LIBS here -- see comments above. FIXME which comments?
2866 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2867 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2868 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2869 if test "$resolv" = yes ; then
2874 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2875 hesiod=yes, :, $RESOLVLIB)])
2877 if test x"$hesiod" = xyes; then
2878 AC_DEFINE(HAVE_LIBHESIOD, 1,
2879 [Define to 1 if you have the hesiod library (-lhesiod).])
2885 # Do we need libresolv (due to res_init or Hesiod)?
2886 if test "$resolv" = yes ; then
2887 AC_DEFINE(HAVE_LIBRESOLV, 1,
2888 [Define to 1 if you have the resolv library (-lresolv).])
2895 # These tell us which Kerberos-related libraries to use.
2902 if test "${with_kerberos}" != no; then
2903 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2904 if test $have_com_err = yes; then
2905 COM_ERRLIB=-lcom_err
2906 LIBS="$COM_ERRLIB $LIBS"
2907 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2909 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2910 if test $have_crypto = yes; then
2912 LIBS="$CRYPTOLIB $LIBS"
2913 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2915 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2916 if test $have_k5crypto = yes; then
2917 CRYPTOLIB=-lk5crypto
2918 LIBS="$CRYPTOLIB $LIBS"
2919 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2921 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2922 if test $have_krb5=yes; then
2924 LIBS="$KRB5LIB $LIBS"
2925 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2927 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2928 if test "${with_kerberos5}" = no; then
2929 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2930 if test $have_des425 = yes; then
2932 LIBS="$DESLIB $LIBS"
2933 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2935 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2936 if test $have_des = yes; then
2938 LIBS="$DESLIB $LIBS"
2939 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2942 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2943 if test $have_krb4 = yes; then
2945 LIBS="$KRB4LIB $LIBS"
2946 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2948 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2949 if test $have_krb = yes; then
2951 LIBS="$KRB4LIB $LIBS"
2952 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2957 if test "${with_kerberos5}" != no; then
2958 AC_CHECK_HEADERS(krb5.h,
2959 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2960 [#include <krb5.h>])])
2962 AC_CHECK_HEADERS(des.h,,
2963 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2964 [AC_CHECK_HEADERS(kerberos/des.h)])])
2965 AC_CHECK_HEADERS(krb.h,,
2966 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2967 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2969 AC_CHECK_HEADERS(com_err.h)
2972 AC_SUBST(COM_ERRLIB)
2978 # Solaris requires -lintl if you want strerror (which calls dgettext)
2979 # to return localized messages.
2980 AC_CHECK_LIB(intl, dgettext)
2982 AC_MSG_CHECKING(whether localtime caches TZ)
2983 AC_CACHE_VAL(emacs_cv_localtime_cache,
2984 [if test x$ac_cv_func_tzset = xyes; then
2985 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2986 char TZ_GMT0[] = "TZ=GMT0";
2987 char TZ_PST8[] = "TZ=PST8";
2990 time_t now = time ((time_t *) 0);
2991 int hour_GMT0, hour_unset;
2992 if (putenv (TZ_GMT0) != 0)
2994 hour_GMT0 = localtime (&now)->tm_hour;
2996 hour_unset = localtime (&now)->tm_hour;
2997 if (putenv (TZ_PST8) != 0)
2999 if (localtime (&now)->tm_hour == hour_GMT0)
3002 if (localtime (&now)->tm_hour != hour_unset)
3005 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3006 [# If we have tzset, assume the worst when cross-compiling.
3007 emacs_cv_localtime_cache=yes])
3009 # If we lack tzset, report that localtime does not cache TZ,
3010 # since we can't invalidate the cache if we don't have tzset.
3011 emacs_cv_localtime_cache=no
3013 AC_MSG_RESULT($emacs_cv_localtime_cache)
3014 if test $emacs_cv_localtime_cache = yes; then
3015 AC_DEFINE(LOCALTIME_CACHE, 1,
3016 [Define to 1 if localtime caches TZ.])
3019 if test "x$HAVE_TIMEVAL" = xyes; then
3020 AC_CHECK_FUNCS(gettimeofday)
3021 if test $ac_cv_func_gettimeofday = yes; then
3022 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3023 emacs_cv_gettimeofday_two_arguments,
3024 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3025 #ifdef TIME_WITH_SYS_TIME
3026 #include <sys/time.h>
3029 #ifdef HAVE_SYS_TIME_H
3030 #include <sys/time.h>
3035 [[struct timeval time;
3036 gettimeofday (&time, 0);]])],
3037 emacs_cv_gettimeofday_two_arguments=yes,
3038 emacs_cv_gettimeofday_two_arguments=no)])
3039 if test $emacs_cv_gettimeofday_two_arguments = no; then
3040 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3041 [Define to 1 if gettimeofday accepts only one argument.])
3047 AC_CHECK_FUNC(socket, , ok_so_far=no)
3048 if test $ok_so_far = yes; then
3049 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3051 if test $ok_so_far = yes; then
3052 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3054 if test $ok_so_far = yes; then
3055 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3056 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3057 [Define to 1 if you have inet sockets.])
3060 if test -f /usr/lpp/X11/bin/smt.exp; then
3061 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3062 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3065 AC_MSG_CHECKING(whether system supports dynamic ptys)
3066 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3068 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3075 dnl Adapted from Haible's version.
3076 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3077 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3078 [[char* cs = nl_langinfo(CODESET);]])],
3079 emacs_cv_langinfo_codeset=yes,
3080 emacs_cv_langinfo_codeset=no)
3082 if test $emacs_cv_langinfo_codeset = yes; then
3083 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3084 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3089 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3090 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3091 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3092 if test "$emacs_cv_c_restrict_arr" = yes; then
3093 AC_DEFINE(__restrict_arr, __restrict,
3094 [Define to compiler's equivalent of C99 restrict keyword in array
3095 declarations. Define as empty for no equivalent.])
3098 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3099 dnl how the tty code is related to POSIX and/or other versions of termios.
3100 dnl The following looks like a useful start.
3102 dnl AC_SYS_POSIX_TERMIOS
3103 dnl if test $ac_cv_sys_posix_termios = yes; then
3104 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3105 dnl and macros for terminal control.])
3106 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3109 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
3111 # Set up the CFLAGS for real compilation, so we can substitute it.
3112 CFLAGS="$REAL_CFLAGS"
3113 CPPFLAGS="$REAL_CPPFLAGS"
3115 ## Hack to detect a buggy GCC version.
3116 if test "x$GCC" = xyes \
3117 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3118 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3119 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3120 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3123 version=$PACKAGE_VERSION
3125 ### Specify what sort of things we'll be editing into Makefile and config.h.
3126 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3128 AC_SUBST(configuration)
3133 AC_SUBST(exec_prefix)
3136 AC_SUBST(sharedstatedir)
3137 AC_SUBST(libexecdir)
3141 AC_SUBST(locallisppath)
3143 AC_SUBST(x_default_search_path)
3145 AC_SUBST(archlibdir)
3150 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3151 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3152 ## end of LIBX_BASE, but nothing ever set it.
3153 AC_SUBST(LD_SWITCH_X_SITE)
3154 AC_SUBST(C_SWITCH_X_SITE)
3155 AC_SUBST(C_SWITCH_X_SYSTEM)
3157 ## Used in lwlib/Makefile.in.
3158 AC_SUBST(X_TOOLKIT_TYPE)
3159 if test -n "${machfile}"; then
3160 M_FILE="\$(srcdir)/${machfile}"
3164 S_FILE="\$(srcdir)/${opsysfile}"
3168 AC_SUBST(ns_appbindir)
3169 AC_SUBST(ns_appresdir)
3171 AC_SUBST(GNU_OBJC_CFLAGS)
3172 AC_SUBST(OTHER_FILES)
3174 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3175 [Define to the canonical Emacs configuration name.])
3176 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3177 [Define to the options passed to configure.])
3178 if test -n "$machfile"; then
3179 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3180 [Define to the used machine dependent file.])
3182 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3183 [Define to the used os dependent file.])
3188 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3189 AC_DEFINE(HAVE_X_WINDOWS, 1,
3190 [Define to 1 if you want to use the X window system.])
3192 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3194 if test "$HAVE_XFT" = "yes"; then
3195 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3196 elif test "$HAVE_FREETYPE" = "yes"; then
3197 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3207 if test "${USE_X_TOOLKIT}" != "none" ; then
3209 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3210 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3211 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3212 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3213 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3217 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3218 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3222 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3223 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3224 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3228 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3229 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3232 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3235 AC_SUBST(WIDGET_OBJ)
3238 case "$USE_X_TOOLKIT" in
3239 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3240 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3241 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3243 AC_SUBST(TOOLKIT_LIBW)
3245 if test "$USE_X_TOOLKIT" = "none"; then
3246 LIBXT_OTHER="\$(LIBXSM)"
3247 OLDXMENU_TARGET="really-oldXMenu"
3249 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3250 OLDXMENU_TARGET="really-lwlib"
3252 AC_SUBST(LIBXT_OTHER)
3254 ## The X Menu stuff is present in the X10 distribution, but missing
3255 ## from X11. If we have X10, just use the installed library;
3256 ## otherwise, use our own copy.
3257 if test "${HAVE_X11}" = "yes" ; then
3258 AC_DEFINE(HAVE_X11, 1,
3259 [Define to 1 if you want to use version 11 of X windows.
3260 Otherwise, Emacs expects to use version 10.])
3262 if test "$USE_X_TOOLKIT" = "none"; then
3263 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3265 OLDXMENU="\${lwlibdir}/liblw.a"
3267 LIBXMENU="\$(OLDXMENU)"
3268 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3269 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3271 ## For a syntactically valid Makefile; not actually used for anything.
3272 ## See comments in src/Makefile.in.
3274 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3275 if test "${HAVE_X_WINDOWS}" = "yes"; then
3284 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3291 AC_SUBST(OLDXMENU_TARGET)
3294 AC_SUBST(LIBX_OTHER)
3295 AC_SUBST(OLDXMENU_DEPS)
3297 if test "${HAVE_MENUS}" = "yes" ; then
3298 AC_DEFINE(HAVE_MENUS, 1,
3299 [Define to 1 if you have mouse menus.
3300 (This is automatic if you use X, but the option to specify it remains.)
3301 It is also defined with other window systems that support xmenu.c.])
3304 if test "${GNU_MALLOC}" = "yes" ; then
3305 AC_DEFINE(GNU_MALLOC, 1,
3306 [Define to 1 if you want to use the GNU memory allocator.])
3310 if test "${REL_ALLOC}" = "yes" ; then
3311 AC_DEFINE(REL_ALLOC, 1,
3312 [Define REL_ALLOC if you want to use the relocating allocator for
3315 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3317 AC_SUBST(RALLOC_OBJ)
3319 if test "$opsys" = "cygwin"; then
3320 CYGWIN_OBJ="sheap.o"
3321 ## Cygwin differs because of its unexec().
3323 POST_ALLOC_OBJ=lastfile.o
3326 PRE_ALLOC_OBJ=lastfile.o
3329 AC_SUBST(CYGWIN_OBJ)
3330 AC_SUBST(PRE_ALLOC_OBJ)
3331 AC_SUBST(POST_ALLOC_OBJ)
3333 # Configure gnulib here, now that we know LIBS.
3334 gl_ASSERT_NO_GNULIB_POSIXCHECK
3335 gl_ASSERT_NO_GNULIB_TESTS
3339 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3342 ## The -headerpad option tells ld (see man page) to leave room at the
3343 ## end of the header for adding load commands. Needed for dumping.
3344 ## 0x690 is the total size of 30 segment load commands (at 56
3345 ## each); under Cocoa 31 commands are required.
3346 if test "$HAVE_NS" = "yes"; then
3347 libs_nsgui="-framework AppKit"
3353 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3355 ## This is here because src/Makefile.in did some extra fiddling around
3356 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3357 ## #ifndef LD_SWITCH_SYSTEM
3358 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3359 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3360 ## not using gcc, darwin system not on an alpha (ie darwin, since
3361 ## darwin + alpha does not occur).
3362 ## Because this was done in src/Makefile.in, the resulting part of
3363 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3364 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3365 ## rather than LD_SWITCH_SYSTEM.
3366 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3367 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3370 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3371 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3372 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3373 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3374 ## had different values in configure (in ac_link) and src/Makefile.in.
3375 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3376 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3378 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3381 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3382 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3385 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3391 ## gnu: GNU needs its own crt0.
3392 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3394 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3395 ## library search parth, i.e. it won't search /usr/lib for libc and
3396 ## friends. Using -nostartfiles instead avoids this problem, and
3397 ## will also work on earlier NetBSD releases.
3398 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3400 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3401 ## MkLinux/LinuxPPC needs this.
3402 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3405 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3411 if test "x$ORDINARY_LINK" = "xyes"; then
3414 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3416 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3417 ## freebsd, gnu-* not on macppc|ibms390x.
3418 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3420 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3421 ## places that are difficult to figure out at make time. Fortunately,
3422 ## these same versions allow you to pass arbitrary flags on to the
3423 ## linker, so there is no reason not to use it as a linker.
3425 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3426 ## searching for libraries in its internal directories, so we have to
3427 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3428 LD_FIRSTFLAG="-nostdlib"
3431 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3432 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3434 AC_SUBST(LD_FIRSTFLAG)
3437 ## FIXME? The logic here is not precisely the same as that above.
3438 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3439 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3441 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3444 freebsd|netbsd|openbsd) LIB_GCC= ;;
3447 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3448 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3454 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3455 ## immediately undefine it again and redefine it to empty.
3456 ## Was the C_SWITCH_X_SITE part really necessary?
3457 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3463 ## Ask GCC where to find libgcc.a.
3464 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3470 ## If we're using X11/GNUstep, define some consequences.
3471 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3472 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3473 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3477 AH_TOP([/* GNU Emacs site configuration template file.
3479 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3480 Free Software Foundation, Inc.
3482 This file is part of GNU Emacs.
3484 GNU Emacs is free software: you can redistribute it and/or modify
3485 it under the terms of the GNU General Public License as published by
3486 the Free Software Foundation, either version 3 of the License, or
3487 (at your option) any later version.
3489 GNU Emacs is distributed in the hope that it will be useful,
3490 but WITHOUT ANY WARRANTY; without even the implied warranty of
3491 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3492 GNU General Public License for more details.
3494 You should have received a copy of the GNU General Public License
3495 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3498 /* No code in Emacs #includes config.h twice, but some bits of code
3499 intended to work with other packages as well (like gmalloc.c)
3500 think they can include it as many times as they like. */
3501 #ifndef EMACS_CONFIG_H
3502 #define EMACS_CONFIG_H
3506 /* On AIX 3 this must be included before any other include file. */
3509 # error "alloca not available on this machine"
3512 /* Define AMPERSAND_FULL_NAME if you use the convention
3513 that & in the full name stands for the login id. */
3514 /* Turned on June 1996 supposing nobody will mind it. */
3515 #define AMPERSAND_FULL_NAME
3517 /* `subprocesses' should be defined if you want to
3518 have code for asynchronous subprocesses
3519 (as used in M-x compile and M-x shell).
3520 Only MSDOS does not support this (it overrides
3521 this in its config_opsysfile below). */
3523 #define subprocesses
3525 /* Include the os and machine dependent files. */
3526 #include config_opsysfile
3527 #ifdef config_machfile
3528 # include config_machfile
3531 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3532 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3533 (There is probably a better place to do this, but right now the
3534 Cocoa side does this in s/darwin.h and we cannot parallel this
3535 exactly since GNUstep is multi-OS. */
3536 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3537 # define SYSTEM_PURESIZE_EXTRA 30000
3540 #ifdef emacs /* Don't do this for lib-src. */
3541 /* Tell regex.c to use a type compatible with Emacs. */
3542 #define RE_TRANSLATE_TYPE Lisp_Object
3543 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3545 /* If make_number is a macro, use it. */
3546 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3548 /* If make_number is a function, avoid it. */
3549 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3553 /* These default definitions are good for almost all machines.
3554 Any exceptions should override them in m/MACHINE.h.
3555 They must be usable in preprocessor conditionals. */
3557 #ifndef BITS_PER_CHAR
3558 #define BITS_PER_CHAR 8
3561 #ifndef BITS_PER_SHORT
3562 #define BITS_PER_SHORT 16
3565 #ifndef BITS_PER_INT
3566 #define BITS_PER_INT 32
3569 #ifndef BITS_PER_LONG
3571 #define BITS_PER_LONG 64
3573 #define BITS_PER_LONG 32
3577 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3578 #define BITS_PER_LONG_LONG 64
3581 /* Define if the compiler supports function prototypes. It may do so but
3582 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3589 #define strchr(a, b) index (a, b)
3592 #ifndef HAVE_STRRCHR
3593 #define strrchr(a, b) rindex (a, b)
3596 #if defined __GNUC__ && (__GNUC__ > 2 \
3597 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3598 #define NO_RETURN __attribute__ ((__noreturn__))
3600 #define NO_RETURN /* nothing */
3603 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3604 #define NO_INLINE __attribute__((noinline))
3609 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3610 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3612 #define EXTERNALLY_VISIBLE
3615 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3616 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3618 # define ATTRIBUTE_FORMAT(spec) /* empty */
3621 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3622 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3623 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3625 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3626 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3629 /* Some versions of GNU/Linux define noinline in their headers. */
3634 /* These won't be used automatically yet. We also need to know, at least,
3635 that the stack is continuous. */
3637 # ifndef GC_SETJMP_WORKS
3638 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3639 # define GC_SETJMP_WORKS 1
3641 # ifndef GC_LISP_OBJECT_ALIGNMENT
3642 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3646 #endif /* EMACS_CONFIG_H */
3655 #### Report on what we decided to do.
3656 #### Report GTK as a toolkit, even if it doesn't use Xt.
3657 #### It makes printing result more understandable as using GTK sets
3658 #### toolkit_scroll_bars to yes by default.
3659 if test "${HAVE_GTK}" = "yes"; then
3664 if test -n "$machfile"; then
3665 and_machfile=" and \`${machfile}'"
3669 Configured for \`${canonical}'.
3671 Where should the build process find the source code? ${srcdir}
3672 What operating system and machine description files should Emacs use?
3673 \`${opsysfile}'${and_machfile}
3674 What compiler should emacs be built with? ${CC} ${CFLAGS}
3675 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3676 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3677 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3678 What window system should Emacs use? ${window_system}
3679 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3681 if test -n "${x_includes}"; then
3682 echo " Where do we find X Windows header files? ${x_includes}"
3684 echo " Where do we find X Windows header files? Standard dirs"
3686 if test -n "${x_libraries}"; then
3687 echo " Where do we find X Windows libraries? ${x_libraries}"
3689 echo " Where do we find X Windows libraries? Standard dirs"
3692 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3693 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3694 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3695 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3696 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3697 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3698 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3699 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3701 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3702 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3703 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3704 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3705 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3706 echo " Does Emacs use -lgnutls (2.6.x or higher)? ${HAVE_GNUTLS}"
3707 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3709 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3710 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3711 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3712 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3714 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3717 if test $USE_XASSERTS = yes; then
3718 echo " Compiling with asserts turned on."
3719 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3724 if test "$HAVE_NS" = "yes"; then
3726 echo "You must run \"make install\" in order to test the built application.
3727 The installed application will go to nextstep/Emacs.app and can be
3728 run or moved from there."
3729 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3730 echo "The application will be fully self-contained."
3732 echo "The lisp resources for the application will be installed under ${prefix}.
3733 You may need to run \"make install\" with sudo. The application will fail
3734 to run if these resources are not installed."
3740 # Remove any trailing slashes in these variables.
3741 [test "${prefix}" != NONE &&
3742 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3743 test "${exec_prefix}" != NONE &&
3744 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3746 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3747 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3748 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3749 dnl (else you get "no `Makefile.am' found for any configure output").
3750 dnl This will work, but you get a config.status that is not quite right
3751 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3752 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3753 dnl it seems better to just live with the duplication.
3754 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"
3756 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3757 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3758 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3761 dnl test/ is not present in release tarfiles.
3762 opt_makefile=test/automated/Makefile
3764 if test -f $srcdir/${opt_makefile}.in; then
3765 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3766 dnl Again, it's best not to use a variable. Though you can add
3767 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3768 AC_CONFIG_FILES([test/automated/Makefile])
3771 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3773 AC_SUBST(SUBDIR_MAKEFILES_IN)
3775 dnl Make the necessary directories, if they don't exist.
3776 AC_CONFIG_COMMANDS([mkdirs], [
3777 for dir in etc lisp ; do
3778 test -d ${dir} || mkdir ${dir}
3782 dnl You might wonder (I did) why epaths.h is generated by running make,
3783 dnl rather than just letting configure generate it from epaths.in.
3784 dnl One reason is that the various paths are not fully expanded (see above);
3785 dnl eg gamedir=${prefix}/var/games/emacs.
3786 dnl Secondly, the GNU Coding standards require that one should be able
3787 dnl to run `make prefix=/some/where/else' and override the values set
3788 dnl by configure. This also explains the `move-if-change' test and
3789 dnl the use of force in the `epaths-force' rule in Makefile.in.
3790 AC_CONFIG_COMMANDS([epaths], [
3791 echo creating src/epaths.h
3792 ${MAKE-make} epaths-force
3793 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3795 AC_CONFIG_COMMANDS([gdbinit], [
3796 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3797 echo creating src/.gdbinit
3798 echo source $srcdir/src/.gdbinit > src/.gdbinit
3804 dnl configure.in ends here