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 OPTION_DEFAULT_OFF([xwidgets],[enable use of some gtk widgets it Emacs buffers])
181 ## For the times when you want to build Emacs but don't have
182 ## a suitable makeinfo, and can live without the manuals.
183 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
184 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
186 ## This is an option because I do not know if all info/man support
187 ## compressed files, nor how to test if they do so.
188 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
189 if test $with_compress_info = yes; then
196 AC_ARG_WITH([pkg-config-prog],dnl
197 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
198 [path to pkg-config for finding GTK and librsvg])])
199 if test "X${with_pkg_config_prog}" != X; then
200 if test "${with_pkg_config_prog}" != yes; then
201 PKG_CONFIG="${with_pkg_config_prog}"
206 AC_ARG_WITH([crt-dir],dnl
207 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
208 The default is /usr/lib, or /usr/lib64 on some platforms.])])
209 CRT_DIR="${with_crt_dir}"
211 AC_ARG_WITH(gameuser,dnl
212 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
213 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
214 && gameuser="${with_gameuser}"
215 test "X$gameuser" = X && gameuser=games
217 AC_ARG_WITH([gnustep-conf],dnl
218 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
219 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
220 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
221 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
222 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
224 AC_ARG_ENABLE(ns-self-contained,
225 [AS_HELP_STRING([--disable-ns-self-contained],
226 [disable self contained build under NeXTstep])],
227 EN_NS_SELF_CONTAINED=$enableval,
228 EN_NS_SELF_CONTAINED=yes)
230 AC_ARG_ENABLE(asserts,
231 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
232 USE_XASSERTS=$enableval,
235 AC_ARG_ENABLE(maintainer-mode,
236 [AS_HELP_STRING([--disable-maintainer-mode],
237 [disable make rules and dependencies not useful (and sometimes
238 confusing) to the casual installer])],
239 USE_MAINTAINER_MODE=$enableval,
240 USE_MAINTAINER_MODE=yes)
241 if test $USE_MAINTAINER_MODE = yes; then
248 AC_ARG_ENABLE(locallisppath,
249 [AS_HELP_STRING([--enable-locallisppath=PATH],
250 [directories Emacs should search for lisp files specific
252 if test "${enableval}" = "no"; then
254 elif test "${enableval}" != "yes"; then
255 locallisppath=${enableval}
258 AC_ARG_ENABLE(checking,
259 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
260 [enable expensive run-time checks. With LIST,
261 enable only specific categories of checks.
262 Categories are: all,yes,no.
263 Flags are: stringbytes, stringoverrun, stringfreelist,
264 xmallocoverrun, conslist])],
265 [ac_checking_flags="${enableval}"],[])
266 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
267 for check in $ac_checking_flags
270 # these set all the flags to specific states
271 yes) ac_enable_checking=1 ;;
272 no) ac_enable_checking= ;
273 ac_gc_check_stringbytes= ;
274 ac_gc_check_string_overrun= ;
275 ac_gc_check_string_free_list= ;
276 ac_xmalloc_overrun= ;
277 ac_gc_check_cons_list= ;;
278 all) ac_enable_checking=1 ;
279 ac_gc_check_stringbytes=1 ;
280 ac_gc_check_string_overrun=1 ;
281 ac_gc_check_string_free_list=1 ;
282 ac_xmalloc_overrun=1 ;
283 ac_gc_check_cons_list=1 ;;
284 # these enable particular checks
285 stringbytes) ac_gc_check_stringbytes=1 ;;
286 stringoverrun) ac_gc_check_string_overrun=1 ;;
287 stringfreelist) ac_gc_check_string_free_list=1 ;;
288 xmallocoverrun) ac_xmalloc_overrun=1 ;;
289 conslist) ac_gc_check_cons_list=1 ;;
290 *) AC_MSG_ERROR(unknown check category $check) ;;
295 if test x$ac_enable_checking != x ; then
296 AC_DEFINE(ENABLE_CHECKING, 1,
297 [Enable expensive run-time checking of data types?])
299 if test x$ac_gc_check_stringbytes != x ; then
300 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
301 [Define this temporarily to hunt a bug. If defined, the size of
302 strings is redundantly recorded in sdata structures so that it can
303 be compared to the sizes recorded in Lisp strings.])
305 if test x$ac_gc_check_string_overrun != x ; then
306 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
307 [Define this to check for short string overrun.])
309 if test x$ac_gc_check_string_free_list != x ; then
310 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
311 [Define this to check the string free list.])
313 if test x$ac_xmalloc_overrun != x ; then
314 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
315 [Define this to check for malloc buffer overrun.])
317 if test x$ac_gc_check_cons_list != x ; then
318 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
319 [Define this to check for errors in cons list.])
322 AC_ARG_ENABLE(use-lisp-union-type,
323 [AS_HELP_STRING([--enable-use-lisp-union-type],
324 [use a union for the Lisp_Object data type.
325 This is only useful for development for catching certain types of bugs.])],
326 if test "${enableval}" != "no"; then
327 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
328 [Define this to use a lisp union for the Lisp_Object data type.])
332 AC_ARG_ENABLE(profiling,
333 [AS_HELP_STRING([--enable-profiling],
334 [build emacs with profiling support.
335 This might not work on all platforms])],
336 [ac_enable_profiling="${enableval}"],[])
337 if test x$ac_enable_profiling != x ; then
338 PROFILING_CFLAGS="-DPROFILING=1 -pg"
342 AC_SUBST(PROFILING_CFLAGS)
344 AC_ARG_ENABLE(autodepend,
345 [AS_HELP_STRING([--enable-autodepend],
346 [automatically generate dependencies to .h-files.
347 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
349 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
351 #### Make srcdir absolute, if it isn't already. It's important to
352 #### avoid running the path through pwd unnecessarily, since pwd can
353 #### give you automounter prefixes, which can go away. We do all this
354 #### so Emacs can find its files when run uninstalled.
355 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
360 ## We may be able to use the $PWD environment variable to make this
361 ## absolute. But sometimes PWD is inaccurate.
362 ## Note: we used to use ${PWD} at the end instead of `pwd`,
363 ## but that tested only for a well-formed and valid PWD,
364 ## it did not object when PWD was well-formed and valid but just wrong.
365 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
369 srcdir="`(cd ${srcdir}; pwd)`"
372 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
375 #### Given the configuration name, set machfile and opsysfile to the
376 #### names of the m/*.h and s/*.h files we should use.
378 ### Canonicalize the configuration name.
382 configuration=${host_alias-${build_alias-$host}}
384 dnl This used to use changequote, but, apart from `changequote is evil'
385 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
386 dnl the great gob of text. Thus it's not processed for possible expansion.
387 dnl Just make sure the brackets remain balanced.
389 dnl Since Emacs can't find matching pairs of quotes, boundaries are
390 dnl indicated by comments.
394 ### If you add support for a new configuration, add code to this
395 ### switch statement to recognize your configuration name and select
396 ### the appropriate operating system and machine description files.
398 ### You would hope that you could choose an m/*.h file pretty much
399 ### based on the machine portion of the configuration name, and an s/*.h
400 ### file based on the operating system portion. However, it turns out
401 ### that each m/*.h file is pretty manufacturer-specific - for
402 ### example mips.h is MIPS
403 ### So we basically have to have a special case for each
404 ### configuration name.
406 ### As far as handling version numbers on operating systems is
407 ### concerned, make sure things will fail in a fixable way. If
408 ### /etc/MACHINES doesn't say anything about version numbers, be
409 ### prepared to handle anything reasonably. If version numbers
410 ### matter, be sure /etc/MACHINES says something about it.
412 machine='' opsys='' unported=no
413 case "${canonical}" in
419 alpha*) machine=alpha ;;
420 s390-*) machine=ibms390 ;;
421 s390x-*) machine=ibms390x ;;
422 powerpc*) machine=macppc ;;
423 sparc*) machine=sparc ;;
424 ia64*) machine=ia64 ;;
425 m68k*) machine=m68k ;;
426 x86_64*) machine=amdx86-64 ;;
433 case "${canonical}" in
434 alpha*) machine=alpha ;;
435 amd64-*|x86_64-*) machine=amdx86-64 ;;
436 ia64-*) machine=ia64 ;;
437 i[3456]86-*) machine=intel386 ;;
438 powerpc-*) machine=macppc ;;
439 sparc-*) machine=sparc ;;
440 sparc64-*) machine=sparc ;;
444 ## FreeBSD kernel + glibc based userland
447 case "${canonical}" in
448 alpha*) machine=alpha ;;
449 amd64-*|x86_64-*) machine=amdx86-64 ;;
450 ia64-*) machine=ia64 ;;
451 i[3456]86-*) machine=intel386 ;;
452 powerpc-*) machine=macppc ;;
453 sparc-*) machine=sparc ;;
454 sparc64-*) machine=sparc ;;
461 case "${canonical}" in
462 alpha*) machine=alpha ;;
463 x86_64-*) machine=amdx86-64 ;;
464 i[3456]86-*) machine=intel386 ;;
465 m68k-*) machine=m68k ;;
466 powerpc-*) machine=macppc ;;
467 sparc*-) machine=sparc ;;
468 vax-*) machine=vax ;;
475 case "${canonical}" in
476 alpha*) machine=alpha ;;
477 x86_64-*) machine=amdx86-64 ;;
478 i386-*) machine=intel386 ;;
479 powerpc-*) machine=macppc ;;
480 sparc*) machine=sparc ;;
481 vax-*) machine=vax ;;
485 ## Apple Darwin / Mac OS X
487 case "${canonical}" in
488 i[3456]86-* ) machine=intel386 ;;
489 powerpc-* ) machine=macppc ;;
490 x86_64-* ) machine=amdx86-64 ;;
494 # Define CPP as follows to make autoconf work correctly.
495 CPP="${CC-cc} -E -no-cpp-precomp"
496 # Use fink packages if available.
497 if test -d /sw/include && test -d /sw/lib; then
498 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
499 CPP="${CPP} ${GCC_TEST_OPTIONS}"
500 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
504 ## HP 9000 series 700 and 800, running HP/UX
508 hppa*-hp-hpux1[1-9]* )
510 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
513 ia64*-hp-hpux1[1-9]* )
514 machine=hp800 opsys=hpux11
515 ## FIXME. Peter O'Gorman reports that dumping using unexelf.o doesn't
516 ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
521 machine=hp800 opsys=gnu-linux
525 rs6000-ibm-aix4.[23]* )
526 machine=ibmrs6000 opsys=aix4-2
528 powerpc-ibm-aix4.[23]* )
529 machine=ibmrs6000 opsys=aix4-2
531 rs6000-ibm-aix[56]* )
532 machine=ibmrs6000 opsys=aix4-2
534 powerpc-ibm-aix[56]* )
535 machine=ibmrs6000 opsys=aix4-2
538 ## Silicon Graphics machines
542 # Without defining _LANGUAGE_C, things get masked out in the headers
543 # so that, for instance, grepping for `free' in stdlib.h fails and
544 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
545 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
546 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
551 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
552 | x86_64-*-solaris2* | x86_64-*-sunos5*)
553 case "${canonical}" in
554 i[3456]86-*-* ) machine=intel386 ;;
555 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
556 sparc* ) machine=sparc ;;
559 case "${canonical}" in
560 *-sunos5.6* | *-solaris2.6* )
562 NON_GNU_CPP=/usr/ccs/lib/cpp
565 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
567 emacs_check_sunpro_c=yes
568 NON_GNU_CPP=/usr/ccs/lib/cpp
570 *-sunos5* | *-solaris* )
572 emacs_check_sunpro_c=yes
573 NON_GNU_CPP=/usr/ccs/lib/cpp
576 ## Watch out for a compiler that we know will not work.
577 case "${canonical}" in
578 *-solaris* | *-sunos5* )
579 if [ "x$CC" = x/usr/ucb/cc ]; then
580 ## /usr/ucb/cc doesn't work;
581 ## we should find some other compiler that does work.
589 ## Intel 386 machines where we don't care about the manufacturer.
592 case "${canonical}" in
593 *-cygwin ) opsys=cygwin ;;
594 *-darwin* ) opsys=darwin
595 CPP="${CC-cc} -E -no-cpp-precomp"
597 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
598 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
599 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
600 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
609 ### If the code above didn't choose an operating system, just choose
610 ### an operating system based on the configuration name. You really
611 ### only want to use this when you have no idea what the right
612 ### operating system is; if you know what operating systems a machine
613 ### runs, it's cleaner to make it explicit in the case statement
615 if test x"${opsys}" = x; then
616 case "${canonical}" in
617 *-gnu* ) opsys=gnu ;;
627 if test $unported = yes; then
628 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
629 Check `etc/MACHINES' for recognized configuration names.])
632 if test -n "$machine"; then
633 machfile="m/${machine}.h"
637 opsysfile="s/${opsys}.h"
640 #### Choose a compiler.
641 test -n "$CC" && cc_specified=yes
643 # Save the value of CFLAGS that the user specified.
644 SPECIFIED_CFLAGS="$CFLAGS"
646 dnl Sets GCC=yes if using gcc.
650 # Initialize gnulib right after verifying that the C compiler works.
653 # On Suns, sometimes $CPP names a directory.
654 if test -n "$CPP" && test -d "$CPP"; then
658 ## If not using gcc, and on Solaris, and no CPP specified, see if
659 ## using a Sun compiler, which needs -Xs to prevent whitespace.
660 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
661 test x"$CPP" = x; then
662 AC_MSG_CHECKING([whether we are using a Sun C compiler])
663 AC_CACHE_VAL(emacs_cv_sunpro_c,
664 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
668 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
669 AC_MSG_RESULT($emacs_cv_sunpro_c)
671 if test x"$emacs_cv_sunpro_c" = xyes; then
672 NON_GNU_CPP="$CC -E -Xs"
676 #### Some systems specify a CPP to use unless we are using GCC.
677 #### Now that we know whether we are using GCC, we can decide whether
678 #### to use that one.
679 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
684 #### Some systems specify a CC to use unless we are using GCC.
685 #### Now that we know whether we are using GCC, we can decide whether
686 #### to use that one.
687 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
688 test x$cc_specified != xyes
693 if test x$GCC = xyes; then
694 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
696 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
699 ### Use -Wdeclaration-after-statement if the compiler supports it
700 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
701 SAVE_CFLAGS="$CFLAGS"
702 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
703 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
704 if test $has_option = yes; then
705 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
707 AC_MSG_RESULT($has_option)
708 CFLAGS="$SAVE_CFLAGS"
712 ### Use -Wold-style-definition if the compiler supports it
713 # This can be removed when conversion to standard C is finished.
714 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
715 SAVE_CFLAGS="$CFLAGS"
716 CFLAGS="$CFLAGS -Wold-style-definition"
717 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
718 if test $has_option = yes; then
719 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
721 AC_MSG_RESULT($has_option)
722 CFLAGS="$SAVE_CFLAGS"
726 ### Use -Wimplicit-function-declaration if the compiler supports it
727 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
728 SAVE_CFLAGS="$CFLAGS"
729 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
730 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
731 if test $has_option = yes; then
732 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
734 AC_MSG_RESULT($has_option)
735 CFLAGS="$SAVE_CFLAGS"
739 AC_SUBST(C_WARNINGS_SWITCH)
742 #### Some other nice autoconf tests.
744 dnl checks for programs
747 if test "x$RANLIB" = x; then
751 ## Although we're running on an amd64 kernel, we're actually compiling for
752 ## the x86 architecture. The user should probably have provided an
753 ## explicit --build to `configure', but if everything else than the kernel
754 ## is running in i386 mode, we can help them out.
755 if test "$machine" = "amdx86-64"; then
756 AC_CHECK_DECL([i386])
757 if test "$ac_cv_have_decl_i386" = "yes"; then
758 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
760 machfile="m/${machine}.h"
764 AC_PATH_PROG(INSTALL_INFO, install-info)
765 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
766 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
767 dnl Don't use GZIP, which is used by gzip for additional parameters.
768 AC_PATH_PROG(GZIP_PROG, gzip)
771 ## Need makeinfo >= 4.6 (?) to build the manuals.
772 AC_PATH_PROG(MAKEINFO, makeinfo, no)
773 dnl By this stage, configure has already checked for egrep and set EGREP,
774 dnl or exited with an error if no egrep was found.
775 if test "$MAKEINFO" != "no" && \
776 test x"`$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
780 ## Makeinfo is unusual. For a released Emacs, the manuals are
781 ## pre-built, and not deleted by the normal clean rules. makeinfo is
782 ## therefore in the category of "special tools" not normally required, which
783 ## configure does not have to check for (eg autoconf itself).
784 ## In a Bazaar checkout on the other hand, the manuals are not included.
785 ## So makeinfo is a requirement to build from Bazaar, and configure
786 ## should test for it as it does for any other build requirement.
787 ## We use the presence of $srcdir/info/emacs to distinguish a release,
788 ## with pre-built manuals, from a Bazaar checkout.
791 if test "$MAKEINFO" = "no"; then
793 if test "x${with_makeinfo}" = "xno"; then
795 elif test ! -e $srcdir/info/emacs; then
796 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
797 source tree does not seem to have pre-built manuals in the `info' directory.
798 Either install a suitable version of makeinfo, or re-run configure
799 with the `--without-makeinfo' option to build without the manuals.] )
802 AC_SUBST(HAVE_MAKEINFO)
804 dnl Add our options to ac_link now, after it is set up.
806 if test x$GCC = xyes; then
807 test "x$GCC_LINK_TEST_OPTIONS" != x && \
808 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
810 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
811 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
814 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
815 dnl If we can link with the flag, it shouldn't do any harm anyhow.
816 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
817 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
818 dnl if not built to support GNU ld.
820 late_LDFLAGS=$LDFLAGS
821 if test x$GCC = xyes; then
822 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
824 LDFLAGS="$LDFLAGS -znocombreloc"
827 AC_MSG_CHECKING([for -znocombreloc])
828 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
829 [AC_MSG_RESULT(yes)],
830 LDFLAGS=$late_LDFLAGS
834 # The value of CPP is a quoted variable reference, so we need to do this
835 # to get its actual value...
836 CPP=`eval "echo $CPP"`
839 dnl The function dump-emacs will not be defined and temacs will do
840 dnl (load "loadup") automatically unless told otherwise.
841 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
843 your-opsys-here) CANNOT_DUMP=yes ;;
846 test "$CANNOT_DUMP" = "yes" && \
847 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
849 AC_SUBST(CANNOT_DUMP)
854 # MSDOS uses unexcoff.o
855 # MSWindows uses unexw32.o
863 UNEXEC_OBJ=unexmacosx.o
866 UNEXEC_OBJ=unexhp9k800.o
869 # Use the Solaris dldump() function, called from unexsol.c, to dump
870 # emacs, instead of the generic ELF dump code found in unexelf.c.
871 # The resulting binary has a complete symbol table, and is better
872 # for debugging and other observability tools (debuggers, pstack, etc).
874 # If you encounter a problem using dldump(), please consider sending
875 # a message to the OpenSolaris tools-linking mailing list:
876 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
878 # It is likely that dldump() works with older Solaris too, but this has
879 # not been tested, so for now this change is for Solaris 10 or newer.
887 ## Let `ld' find image libs and similar things in /usr/local/lib.
888 ## The system compiler, GCC, has apparently been modified to not
889 ## look there, contrary to what a stock GCC would do.
890 LD_SWITCH_SYSTEM=-L/usr/local/lib
894 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
895 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
899 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
903 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
904 ## otherwise Emacs dumps core on elf systems.
905 LD_SWITCH_SYSTEM="-Z"
908 AC_SUBST(LD_SWITCH_SYSTEM)
910 ac_link="$ac_link $LD_SWITCH_SYSTEM"
912 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
913 ## which has not been defined yet. When this was handled with cpp,
914 ## it was expanded to null when configure sourced the s/*.h file.
915 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
916 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
917 ## (or somesuch), but because it is supposed to go at the _front_
918 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
919 ## Compare with the gnu-linux case below, which added to the end
920 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
921 ## LD_SWITCH_SYSTEM_TEMACS.
924 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
925 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
930 if test "$machine" = "alpha"; then
931 AC_CHECK_DECL([__ELF__])
932 if test "$ac_cv_have_decl___ELF__" = "yes"; then
933 ## With ELF, make sure that all common symbols get allocated to in the
934 ## data section. Otherwise, the dump of temacs may miss variables in
935 ## the shared library that have been initialized. For example, with
936 ## GNU libc, __malloc_initialized would normally be resolved to the
937 ## shared library's .bss section, which is fatal.
938 if test "x$GCC" = "xyes"; then
939 C_SWITCH_MACHINE="-fno-common"
941 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
944 UNEXEC_OBJ=unexalpha.o
947 AC_SUBST(C_SWITCH_MACHINE)
952 ## Some programs in src produce warnings saying certain subprograms
953 ## are too complex and need a MAXMEM value greater than 2000 for
954 ## additional optimization. --nils@exp-math.uni-essen.de
955 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
956 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
957 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
958 ## It is redundant in glibc2, since we define _GNU_SOURCE.
959 AC_SUBST(C_SWITCH_SYSTEM)
964 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
965 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
967 freebsd) LIBS_SYSTEM="-lutil" ;;
969 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
971 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
973 ## Motif needs -lgen.
974 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
976 AC_SUBST(LIBS_SYSTEM)
979 ### Make sure subsequent tests use flags consistent with the build flags.
981 if test x"${OVERRIDE_CPPFLAGS}" != x; then
982 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
984 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
987 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
988 AC_DEFUN([AC_TYPE_SIZE_T])
989 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
990 AC_DEFUN([AC_TYPE_UID_T])
992 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1003 START_FILES='pre-crt0.o'
1006 ## Adding -lm confuses the dynamic linker, so omit it.
1008 START_FILES='pre-crt0.o'
1011 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1012 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1014 gnu-linux | gnu-kfreebsd )
1015 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1016 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1018 hpux10-20 | hpux11 )
1020 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1023 if test -f $CRT_DIR/crti.o; then
1024 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1025 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1027 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1028 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1034 AC_SUBST(START_FILES)
1036 dnl Not all platforms use crtn.o files. Check if the current one does.
1039 for file in x $LIB_STANDARD $START_FILES; do
1041 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1045 if test "x$crt_files" != x; then
1047 ## If user specified a crt-dir, use that unconditionally.
1050 if test "X$CRT_DIR" = "X"; then
1052 CRT_DIR=/usr/lib # default
1054 case "$canonical" in
1055 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1056 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1057 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1058 ## For anything else (eg /usr/lib32), it is up the user to specify
1059 ## the location (bug#5655).
1060 ## Test for crtn.o, not just the directory, because sometimes the
1061 ## directory exists but does not have the relevant files (bug#1287).
1062 ## FIXME better to test for binary compatibility somehow.
1063 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1066 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1070 hpux10-20) CRT_DIR=/lib ;;
1073 test "x${GCC}" = xyes && crt_gcc=yes
1079 for file in $crt_files; do
1081 ## If we're using gcc, try to determine it automatically by asking
1082 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1083 ## system-dependent default from above.]
1084 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1086 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1089 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1094 dnl We expect all the files to be in a single directory, so after the
1095 dnl first there is no point asking gcc.
1098 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1101 test "x$crt_missing" = x || \
1102 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1103 Try using the --with-crt-dir option.])
1105 fi # crt_files != ""
1110 dnl This function definition taken from Gnome 2.0
1111 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1112 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1113 dnl also defines GSTUFF_PKG_ERRORS on error
1114 AC_DEFUN([PKG_CHECK_MODULES], [
1117 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1119 if test "$PKG_CONFIG" = "no" ; then
1120 ifelse([$4], , [AC_MSG_ERROR([
1121 *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1123 PKG_CONFIG_MIN_VERSION=0.9.0
1124 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1125 AC_MSG_CHECKING(for $2)
1127 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1131 AC_MSG_CHECKING($1_CFLAGS)
1132 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1133 AC_MSG_RESULT($$1_CFLAGS)
1135 AC_MSG_CHECKING($1_LIBS)
1136 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1137 AC_MSG_RESULT($$1_LIBS)
1142 ## If we have a custom action on failure, don't print errors, but
1143 ## do set a variable so people can do so.
1144 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1145 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1151 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1152 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1156 if test $succeeded = yes; then
1157 ifelse([$3], , :, [$3])
1159 ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1164 if test "${with_sound}" != "no"; then
1165 # Sound support for GNU/Linux and the free BSDs.
1166 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1167 have_sound_header=yes)
1168 # Emulation library used on NetBSD.
1169 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1173 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1174 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1175 if test $HAVE_ALSA = yes; then
1176 SAVE_CFLAGS="$CFLAGS"
1177 SAVE_LDFLAGS="$LDFLAGS"
1178 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1179 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1180 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1181 emacs_alsa_normal=yes,
1182 emacs_alsa_normal=no)
1183 if test "$emacs_alsa_normal" != yes; then
1184 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1185 [[snd_lib_error_set_handler (0);]])],
1186 emacs_alsa_subdir=yes,
1187 emacs_alsa_subdir=no)
1188 if test "$emacs_alsa_subdir" != yes; then
1189 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1191 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1194 CFLAGS="$SAVE_CFLAGS"
1195 LDFLAGS="$SAVE_LDFLAGS"
1196 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1197 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1198 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1201 dnl Define HAVE_SOUND if we have sound support. We know it works and
1202 dnl compiles only on the specified platforms. For others, it
1203 dnl probably doesn't make sense to try.
1204 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1206 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1207 gnu-linux|freebsd|netbsd)
1208 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1213 AC_SUBST(CFLAGS_SOUND)
1216 dnl checks for header files
1217 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1218 linux/version.h sys/systeminfo.h \
1219 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1220 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1221 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1223 AC_MSG_CHECKING(if personality LINUX32 can be set)
1224 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1225 emacs_cv_personality_linux32=yes,
1226 emacs_cv_personality_linux32=no)
1227 AC_MSG_RESULT($emacs_cv_personality_linux32)
1229 if test $emacs_cv_personality_linux32 = yes; then
1230 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1231 [Define to 1 if personality LINUX32 can be set.])
1234 dnl On Solaris 8 there's a compilation warning for term.h because
1235 dnl it doesn't define `bool'.
1236 AC_CHECK_HEADERS(term.h, , , -)
1238 AC_CHECK_DECLS([sys_siglist])
1239 if test $ac_cv_have_decl_sys_siglist != yes; then
1240 # For Tru64, at least:
1241 AC_CHECK_DECLS([__sys_siglist])
1242 if test $ac_cv_have_decl___sys_siglist = yes; then
1243 AC_DEFINE(sys_siglist, __sys_siglist,
1244 [Define to any substitute for sys_siglist.])
1249 dnl Some systems have utime.h but don't declare the struct anyplace.
1250 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1251 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1252 #include <sys/time.h>
1255 #ifdef HAVE_SYS_TIME_H
1256 #include <sys/time.h>
1263 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1264 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1265 if test $emacs_cv_struct_utimbuf = yes; then
1266 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1269 dnl Check for speed_t typedef.
1270 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1271 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1272 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1273 if test $emacs_cv_speed_t = yes; then
1274 AC_DEFINE(HAVE_SPEED_T, 1,
1275 [Define to 1 if `speed_t' is declared by <termios.h>.])
1278 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1279 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1280 #include <sys/time.h>
1283 #ifdef HAVE_SYS_TIME_H
1284 #include <sys/time.h>
1288 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1289 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1290 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1291 if test $emacs_cv_struct_timeval = yes; then
1292 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1295 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1296 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1297 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1298 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1299 HAVE_EXCEPTION=$emacs_cv_struct_exception
1300 if test $emacs_cv_struct_exception != yes; then
1301 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1304 AC_CHECK_HEADERS(sys/socket.h)
1305 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1306 #if HAVE_SYS_SOCKET_H
1307 #include <sys/socket.h>
1309 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1310 #if HAVE_SYS_SOCKET_H
1311 #include <sys/socket.h>
1313 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1314 #if HAVE_SYS_SOCKET_H
1315 #include <sys/socket.h>
1317 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1319 dnl checks for structure members
1322 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1323 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1324 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1325 [#include <time.h>])
1326 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1327 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1328 struct ifreq.ifr_addr,
1329 struct ifreq.ifr_addr.sa_len], , ,
1330 [AC_INCLUDES_DEFAULT
1331 #if HAVE_SYS_SOCKET_H
1332 #include <sys/socket.h>
1338 dnl checks for compiler characteristics
1340 dnl Testing __STDC__ to determine prototype support isn't good enough.
1341 dnl DEC C, for instance, doesn't define it with default options, and
1342 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1347 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1348 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1349 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1350 if test $emacs_cv_void_star = yes; then
1351 AC_DEFINE(POINTER_TYPE, void)
1353 AC_DEFINE(POINTER_TYPE, char)
1355 AH_TEMPLATE(POINTER_TYPE,
1356 [Define as `void' if your compiler accepts `void *'; otherwise
1357 define as `char'.])dnl
1359 dnl Check for endianess
1362 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1363 [emacs_cv_attribute_aligned],
1366 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1368 [emacs_cv_attribute_aligned=yes],
1369 [emacs_cv_attribute_aligned=no])])
1370 if test $emacs_cv_attribute_aligned = yes; then
1371 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1372 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1375 dnl check for Make feature
1381 dnl check for GNU Make if we have GCC and autodepend is on.
1382 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1383 AC_MSG_CHECKING([whether we are using GNU Make])
1385 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1386 if test "x$testval" != x; then
1389 ac_enable_autodepend=no
1391 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1392 if test $HAVE_GNU_MAKE = yes; then
1393 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1394 SAVE_CFLAGS="$CFLAGS"
1395 CFLAGS="$CFLAGS -MMD -MF deps.d"
1396 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1397 CFLAGS="$SAVE_CFLAGS"
1398 test -f deps.d || ac_enable_autodepend=no
1400 AC_MSG_RESULT([$ac_enable_autodepend])
1402 if test $ac_enable_autodepend = yes; then
1403 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1404 ## In parallel builds, another make might create depdir between
1405 ## the first test and mkdir, so stick another test on the end.
1406 ## Or use install-sh -d? mkdir -p is not portable.
1407 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1408 deps_frag=autodeps.mk
1411 deps_frag=$srcdir/src/$deps_frag
1414 AC_SUBST_FILE(deps_frag)
1417 lisp_frag=$srcdir/src/lisp.mk
1418 AC_SUBST_FILE(lisp_frag)
1421 dnl checks for operating system services
1422 AC_SYS_LONG_FILE_NAMES
1424 #### Choose a window system.
1427 if test "$no_x" = yes; then
1433 ## Workaround for bug in autoconf <= 2.62.
1434 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1435 ## No need to do anything special for these standard directories.
1436 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1438 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1442 LD_SWITCH_X_SITE_AUX=
1443 LD_SWITCH_X_SITE_AUX_RPATH=
1444 if test "${x_libraries}" != NONE; then
1445 if test -n "${x_libraries}"; then
1446 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1447 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1448 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1450 x_default_search_path=""
1451 x_search_path=${x_libraries}
1452 if test -z "${x_search_path}"; then
1453 x_search_path=/usr/lib
1455 for x_library in `echo ${x_search_path}: | \
1456 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1458 ${x_library}/X11/%L/%T/%N%C%S:\
1459 ${x_library}/X11/%l/%T/%N%C%S:\
1460 ${x_library}/X11/%T/%N%C%S:\
1461 ${x_library}/X11/%L/%T/%N%S:\
1462 ${x_library}/X11/%l/%T/%N%S:\
1463 ${x_library}/X11/%T/%N%S"
1464 if test x"${x_default_search_path}" = x; then
1465 x_default_search_path=${x_search_path}
1467 x_default_search_path="${x_search_path}:${x_default_search_path}"
1471 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1472 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1474 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1475 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1478 if test x"${x_includes}" = x; then
1479 bitmapdir=/usr/include/X11/bitmaps
1481 # accumulate include directories that have X11 bitmap subdirectories
1483 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1484 if test -d "${bmd}/X11/bitmaps"; then
1485 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1487 if test -d "${bmd}/bitmaps"; then
1488 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1491 if test ${bmd_acc} != "dummyval"; then
1492 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1499 tmp_CPPFLAGS="$CPPFLAGS"
1500 tmp_CFLAGS="$CFLAGS"
1501 CPPFLAGS="$CPPFLAGS -x objective-c"
1502 CFLAGS="$CFLAGS -x objective-c"
1503 TEMACS_LDFLAGS2="\${LDFLAGS}"
1504 dnl I don't think it's especially important, but src/Makefile.in
1505 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1506 dnl trailing "/" to it, so now we do it here.
1507 if test "${with_ns}" != no; then
1508 if test "${opsys}" = darwin; then
1510 ns_appdir=`pwd`/nextstep/Emacs.app
1511 ns_appbindir=${ns_appdir}/Contents/MacOS/
1512 ns_appresdir=${ns_appdir}/Contents/Resources
1513 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1514 elif test -f $GNUSTEP_CONFIG_FILE; then
1516 ns_appdir=`pwd`/nextstep/Emacs.app
1517 ns_appbindir=${ns_appdir}/
1518 ns_appresdir=${ns_appdir}/Resources
1519 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1520 dnl FIXME sourcing this several times in subshells seems inefficient.
1521 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1522 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1523 dnl I seemed to need these as well with GNUstep-startup 0.25.
1524 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1525 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1526 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1527 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1528 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1529 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1530 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1531 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1532 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1537 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1538 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1539 files are missing or cannot be compiled.])])
1540 NS_HAVE_NSINTEGER=yes
1541 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1543 ns_have_nsinteger=yes,
1544 ns_have_nsinteger=no)
1545 if test $ns_have_nsinteger = no; then
1546 NS_HAVE_NSINTEGER=no
1549 AC_SUBST(TEMACS_LDFLAGS2)
1554 if test "${HAVE_NS}" = yes; then
1555 window_system=nextstep
1557 # set up packaging dirs
1558 exec_prefix=${ns_appbindir}
1559 libexecdir=${ns_appbindir}/libexec
1560 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1561 prefix=${ns_appresdir}
1563 ns_frag=$srcdir/src/ns.mk
1564 NS_OBJ="fontset.o fringe.o image.o"
1565 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1567 CFLAGS="$tmp_CFLAGS"
1568 CPPFLAGS="$tmp_CPPFLAGS"
1570 AC_SUBST(NS_OBJC_OBJ)
1571 AC_SUBST(LIB_STANDARD)
1572 AC_SUBST_FILE(ns_frag)
1574 case "${window_system}" in
1578 case "${with_x_toolkit}" in
1579 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1580 motif ) USE_X_TOOLKIT=MOTIF ;;
1582 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1583 dnl USE_X_TOOLKIT is set.
1584 USE_X_TOOLKIT=none ;;
1585 gtk3 ) with_gtk3=yes
1586 USE_X_TOOLKIT=none ;;
1587 no ) USE_X_TOOLKIT=none ;;
1588 dnl If user did not say whether to use a toolkit, make this decision later:
1589 dnl use the toolkit if we have gtk, or X11R5 or newer.
1590 * ) USE_X_TOOLKIT=maybe ;;
1600 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1601 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1602 if test "$HAVE_XSERVER" = true ||
1603 test -n "$DISPLAY" ||
1604 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1605 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1606 were found. You should install the relevant development files for X
1607 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1608 sure you have development files for image handling, i.e.
1609 tiff, gif, jpeg, png and xpm.
1610 If you are sure you want Emacs compiled without X window support, pass
1616 ### If we're using X11, we should use the X menu package.
1619 yes ) HAVE_MENUS=yes ;;
1622 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1623 # Assume not, until told otherwise.
1626 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1627 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1628 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1629 emacs_cv_var___after_morecore_hook,
1630 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1631 emacs_cv_var___after_morecore_hook=yes,
1632 emacs_cv_var___after_morecore_hook=no)])
1633 if test $emacs_cv_var___after_morecore_hook = no; then
1638 dnl See comments in aix4-2.h about maybe using system malloc there.
1641 ## darwin ld insists on the use of malloc routines in the System framework.
1642 darwin|sol2-10) system_malloc=yes ;;
1645 if test "${system_malloc}" = "yes"; then
1646 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1649 (The GNU allocators don't work with this system configuration.)"
1653 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1654 VMLIMIT_OBJ=vm-limit.o
1656 AC_SUBST(GMALLOC_OBJ)
1657 AC_SUBST(VMLIMIT_OBJ)
1659 if test "$doug_lea_malloc" = "yes" ; then
1660 if test "$GNU_MALLOC" = yes ; then
1662 (Using Doug Lea's new malloc from the GNU C Library.)"
1664 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1665 [Define to 1 if you are using the GNU C Library.])
1667 ## Use mmap directly for allocating larger buffers.
1668 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1669 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1670 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1672 gnu*) REL_ALLOC=no ;;
1676 if test x"${REL_ALLOC}" = x; then
1677 REL_ALLOC=${GNU_MALLOC}
1680 use_mmap_for_buffers=no
1682 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1686 if test $use_mmap_for_buffers = yes; then
1687 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1691 LIBS="$LIBS_SYSTEM $LIBS"
1693 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1694 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1695 AC_CHECK_LIB(dnet, dnet_ntoa)
1696 dnl This causes -lresolv to get used in subsequent tests,
1697 dnl which causes failures on some systems such as HPUX 9.
1698 dnl AC_CHECK_LIB(resolv, gethostbyname)
1700 dnl FIXME replace main with a function we actually want from this library.
1701 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1703 dnl Check if pthreads is available.
1705 AC_CHECK_HEADERS(pthread.h)
1706 if test "$ac_cv_header_pthread_h"; then
1707 AC_CHECK_LIB(pthread, pthread_self, HAVE_PTHREAD=yes)
1709 if test "$HAVE_PTHREAD" = yes; then
1710 case "${canonical}" in
1712 *) LIB_PTHREAD="-lpthread" ;;
1714 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1716 AC_SUBST([LIB_PTHREAD])
1718 AC_CHECK_LIB(pthreads, cma_open)
1720 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1721 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1722 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1723 ## added to LIBS in configure would never contain the pthreads part,
1724 ## but the value used in Makefiles might. FIXME?
1726 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1727 ## be harmless on older versions of X where it happens to exist.
1728 test "$opsys" = "aix4-2" && \
1729 test $ac_cv_lib_pthreads_cma_open = yes && \
1730 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1732 dnl Check for need for bigtoc support on IBM AIX
1736 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1738 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1739 *) gdb_cv_bigtoc=-bbigtoc ;;
1742 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1743 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1748 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1749 # used for the tests that follow. We set them back to REAL_CFLAGS and
1750 # REAL_CPPFLAGS later on.
1752 REAL_CFLAGS="$CFLAGS"
1753 REAL_CPPFLAGS="$CPPFLAGS"
1755 if test "${HAVE_X11}" = "yes"; then
1756 DEFS="$C_SWITCH_X_SITE $DEFS"
1757 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1759 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1760 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1762 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1763 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1764 # but it's more convenient here to set LD_RUN_PATH
1765 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1766 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1767 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1771 if test "${opsys}" = "gnu-linux"; then
1772 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1773 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1774 [[XOpenDisplay ("foo");]])],
1775 [xlinux_first_failure=no],
1776 [xlinux_first_failure=yes])
1777 if test "${xlinux_first_failure}" = "yes"; then
1778 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1779 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1780 OLD_CPPFLAGS="$CPPFLAGS"
1782 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1783 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1784 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1785 LIBS="$LIBS -b i486-linuxaout"
1786 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1787 [[XOpenDisplay ("foo");]])],
1788 [xlinux_second_failure=no],
1789 [xlinux_second_failure=yes])
1790 if test "${xlinux_second_failure}" = "yes"; then
1791 # If we get the same failure with -b, there is no use adding -b.
1792 # So take it out. This plays safe.
1793 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1794 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1795 CPPFLAGS="$OLD_CPPFLAGS"
1806 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1807 # header files included from there.
1808 AC_MSG_CHECKING(for Xkb)
1809 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1810 #include <X11/XKBlib.h>]],
1811 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1812 emacs_xkb=yes, emacs_xkb=no)
1813 AC_MSG_RESULT($emacs_xkb)
1814 if test $emacs_xkb = yes; then
1815 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1818 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1819 XScreenNumberOfScreen XSetWMProtocols)
1822 if test "${window_system}" = "x11"; then
1823 AC_MSG_CHECKING(X11 version 6)
1824 AC_CACHE_VAL(emacs_cv_x11_version_6,
1825 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1826 [[#if XlibSpecificationRelease < 6
1829 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1830 if test $emacs_cv_x11_version_6 = yes; then
1831 AC_MSG_RESULT(6 or newer)
1832 AC_DEFINE(HAVE_X11R6, 1,
1833 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1834 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1835 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1839 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1840 [Define if you have usable X11R6-style XIM support.])
1844 AC_MSG_RESULT(before 6)
1849 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1851 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1852 if test "${with_rsvg}" != "no"; then
1853 RSVG_REQUIRED=2.11.0
1854 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1856 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1857 AC_SUBST(RSVG_CFLAGS)
1860 if test $HAVE_RSVG = yes; then
1861 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1862 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1863 LIBS="$RSVG_LIBS $LIBS"
1869 if test "${HAVE_X11}" = "yes"; then
1870 if test "${with_imagemagick}" != "no"; then
1871 ## 6.2.8 is the earliest version known to work, but earlier versions
1872 ## might work - let us know if you find one.
1873 ## 6.0.7 does not work. See bug#7955.
1874 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1875 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1876 AC_SUBST(IMAGEMAGICK_CFLAGS)
1877 AC_SUBST(IMAGEMAGICK_LIBS)
1879 if test $HAVE_IMAGEMAGICK = yes; then
1880 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1881 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1882 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1883 AC_CHECK_FUNCS(MagickExportImagePixels)
1891 if test "${with_gtk3}" = "yes"; then
1894 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1896 dnl Checks for libraries.
1897 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1898 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1899 AC_MSG_ERROR($GTK_PKG_ERRORS)
1901 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1902 GTK_OBJ=emacsgtkfixed.o
1905 if test "$pkg_check_gtk" != "yes"; then
1907 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1910 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1912 dnl Checks for libraries.
1913 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1914 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1915 AC_MSG_ERROR($GTK_PKG_ERRORS)
1920 if test x"$pkg_check_gtk" = xyes; then
1922 AC_SUBST(GTK_CFLAGS)
1924 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1925 CFLAGS="$CFLAGS $GTK_CFLAGS"
1926 LIBS="$GTK_LIBS $LIBS"
1927 dnl Try to compile a simple GTK program.
1929 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1930 if test "${GTK_COMPILES}" != "yes"; then
1931 if test "$USE_X_TOOLKIT" != "maybe"; then
1932 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1936 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1937 GTK_OBJ="gtkutil.o $GTK_OBJ"
1939 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1942 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1943 closing open displays. This is no problem if you just use
1944 one display, but if you use more than one and close one of them
1954 if test "${HAVE_GTK}" = "yes"; then
1956 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1957 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1958 if test "$with_toolkit_scroll_bars" != no; then
1959 with_toolkit_scroll_bars=yes
1962 dnl Check if we have the old file selection dialog declared and
1963 dnl in the link library. In 2.x it may be in the library,
1964 dnl but not declared if deprecated featured has been selected out.
1965 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1966 HAVE_GTK_FILE_SELECTION=no
1967 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1968 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1969 #include <gtk/gtk.h>])
1970 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1971 AC_CHECK_FUNCS(gtk_file_selection_new)
1975 dnl Check for functions introduced in 2.14 and later.
1976 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1977 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1978 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1979 gtk_orientable_set_orientation)
1988 if test "${with_xwidgets}" != "no"; then
1989 echo "xwidgets enabled, checking webkit, and others"
1991 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
1994 # - enable only if gtk/gtk3 enabled
1995 # - webkit, goocanvas, clutter
1996 # - only webkit_osr is good so remove plain webkit laterish
1998 #webkit version for gtk3.
1999 WEBKIT_REQUIRED=1.4.0
2000 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2002 if test "${with_gtk3}" = "yes"; then
2003 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2004 if test $HAVE_WEBKIT = yes; then
2005 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2009 CLUTTER_REQUIRED=1.0.0
2010 CLUTTER_MODULES="clutter-gtk-1.0 >= $CLUTTER_REQUIRED"
2012 PKG_CHECK_MODULES(CLUTTER, $CLUTTER_MODULES, HAVE_CLUTTER=yes, HAVE_CLUTTER=no)
2013 if test $HAVE_CLUTTER = yes; then
2014 AC_DEFINE(HAVE_CLUTTER, 1, [Define to 1 if you have clutter support.])
2018 GOOCANVAS_REQUIRED=1.4.0
2019 GOOCANVAS_MODULES="goocanvasgtk-3.0 >= $GOOCANVAS_REQUIRED"
2021 PKG_CHECK_MODULES(GOOCANVAS, $GOOCANVAS_MODULES, HAVE_GOOCANVAS=yes, HAVE_GOOCANVAS=no)
2022 if test $HAVE_GOOCANVAS = yes; then
2023 AC_DEFINE(HAVE_GOOCANVAS, 1, [Define to 1 if you have goocanvas support.])
2029 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2030 dnl other platforms. Support for higher D-Bus versions than 1.0 is
2031 dnl also not configured.
2034 if test "${with_dbus}" = "yes"; then
2035 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2036 if test "$HAVE_DBUS" = yes; then
2037 LIBS="$LIBS $DBUS_LIBS"
2038 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2039 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
2045 dnl GSettings has been tested under GNU/Linux only.
2047 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2048 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2049 if test "$HAVE_GSETTINGS" = "yes"; then
2050 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2051 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2052 SETTINGS_LIBS="$GSETTINGS_LIBS"
2056 dnl GConf has been tested under GNU/Linux only.
2057 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2059 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2060 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2061 if test "$HAVE_GCONF" = yes; then
2062 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2063 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2064 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2065 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2069 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2070 SAVE_CFLAGS="$CFLAGS"
2071 SAVE_LDFLAGS="$LDFLAGS"
2072 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2073 LDFLAGS="$SETTINGS_LIBS $LDFLAGS"
2074 AC_CHECK_FUNCS([g_type_init])
2075 CFLAGS="$SAVE_CFLAGS"
2076 LDFLAGS="$SAVE_LDFLAGS"
2078 AC_SUBST(SETTINGS_CFLAGS)
2079 AC_SUBST(SETTINGS_LIBS)
2082 dnl SELinux is available for GNU/Linux only.
2085 if test "${with_selinux}" = "yes"; then
2086 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2087 if test "$HAVE_LIBSELINUX" = yes; then
2088 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2089 LIBSELINUX_LIBS=-lselinux
2092 AC_SUBST(LIBSELINUX_LIBS)
2095 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2096 if test "${with_gnutls}" = "yes" ; then
2097 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.0], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2098 if test "${HAVE_GNUTLS}" = "yes"; then
2099 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2102 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2103 LIBS="$LIBGNUTLS_LIBS $LIBS"
2104 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2106 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2107 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2111 AC_SUBST(LIBGNUTLS_LIBS)
2112 AC_SUBST(LIBGNUTLS_CFLAGS)
2114 dnl Do not put whitespace before the #include statements below.
2115 dnl Older compilers (eg sunos4 cc) choke on it.
2118 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2119 if test "$with_xaw3d" != no; then
2120 AC_MSG_CHECKING(for xaw3d)
2121 AC_CACHE_VAL(emacs_cv_xaw3d,
2122 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2123 #include <X11/Intrinsic.h>
2124 #include <X11/Xaw3d/Simple.h>]],
2126 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2127 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2128 emacs_cv_xaw3d=no)])
2132 if test $emacs_cv_xaw3d = yes; then
2133 AC_MSG_RESULT([yes; using Lucid toolkit])
2137 AC_DEFINE(HAVE_XAW3D, 1,
2138 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2141 AC_MSG_CHECKING(for libXaw)
2142 AC_CACHE_VAL(emacs_cv_xaw,
2143 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2144 #include <X11/Intrinsic.h>
2145 #include <X11/Xaw/Simple.h>]],
2149 if test $emacs_cv_xaw = yes; then
2150 AC_MSG_RESULT([yes; using Lucid toolkit])
2153 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2154 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2156 AC_MSG_ERROR([No X toolkit could be found.
2157 If you are sure you want Emacs compiled without an X toolkit, pass
2159 to configure. Otherwise, install the development libraries for the toolkit
2160 that you want to use (e.g. Gtk+) and re-run configure.])
2165 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2168 if test "${USE_X_TOOLKIT}" != "none"; then
2169 AC_MSG_CHECKING(X11 toolkit version)
2170 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2171 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2172 [[#if XtSpecificationRelease < 6
2175 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2176 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2177 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2178 AC_MSG_RESULT(6 or newer)
2179 AC_DEFINE(HAVE_X11XTR6, 1,
2180 [Define to 1 if you have the X11R6 or newer version of Xt.])
2181 LIBXTR6="-lSM -lICE"
2183 ## Use libw.a along with X11R6 Xt.
2184 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2187 AC_MSG_RESULT(before 6)
2190 dnl If using toolkit, check whether libXmu.a exists.
2191 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2193 if test x$HAVE_X11XTR6 = xyes; then
2194 LIBS="-lXt -lSM -lICE $LIBS"
2198 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2199 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2203 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2204 dnl Why not just test for libxmu in the normal way?
2207 ## These systems don't supply Xmu.
2209 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2214 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2215 if test "${HAVE_X11}" = "yes"; then
2216 if test "${USE_X_TOOLKIT}" != "none"; then
2217 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2222 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2223 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2224 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2225 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2228 Motif version prior to 2.1.
2230 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2231 if test $emacs_cv_motif_version_2_1 = yes; then
2232 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2234 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2235 # We put this in CFLAGS temporarily to precede other -I options
2236 # that might be in CFLAGS temporarily.
2237 # We put this in CPPFLAGS where it precedes the other -I options.
2238 OLD_CPPFLAGS=$CPPFLAGS
2240 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2241 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2242 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2244 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2245 if test $emacs_cv_lesstif = yes; then
2246 # Make sure this -I option remains in CPPFLAGS after it is set
2247 # back to REAL_CPPFLAGS.
2248 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2249 # have those other -I options anyway. Ultimately, having this
2250 # directory ultimately in CPPFLAGS will be enough.
2251 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2252 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2255 CPPFLAGS=$OLD_CPPFLAGS
2260 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2261 dnl using Motif or Xaw3d is available, and unless
2262 dnl --with-toolkit-scroll-bars=no was specified.
2264 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2265 [Define to 1 if we should use toolkit scroll bars.])dnl
2266 USE_TOOLKIT_SCROLL_BARS=no
2267 if test "${with_toolkit_scroll_bars}" != "no"; then
2268 if test "${USE_X_TOOLKIT}" != "none"; then
2269 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2270 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2272 USE_TOOLKIT_SCROLL_BARS=yes
2273 elif test "${HAVE_XAW3D}" = "yes"; then
2274 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2275 USE_TOOLKIT_SCROLL_BARS=yes
2277 elif test "${HAVE_GTK}" = "yes"; then
2278 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2279 USE_TOOLKIT_SCROLL_BARS=yes
2280 elif test "${HAVE_NS}" = "yes"; then
2281 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2282 USE_TOOLKIT_SCROLL_BARS=yes
2286 dnl See if XIM is available.
2287 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2288 #include <X11/Xlib.h>
2289 #include <X11/Xresource.h>]],
2290 [[XIMProc callback;]])],
2292 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2295 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2297 if test "${with_xim}" != "no"; then
2298 AC_DEFINE(USE_XIM, 1,
2299 [Define to 1 if we should use XIM, if it is available.])
2303 if test "${HAVE_XIM}" != "no"; then
2305 if test "$GCC" = yes; then
2306 CFLAGS="$CFLAGS --pedantic-errors"
2308 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2309 #include <X11/Xlib.h>
2310 #include <X11/Xresource.h>]],
2316 XPointer *client_data;
2318 /* If we're not using GCC, it's probably not XFree86, and this is
2319 probably right, but we can't use something like --pedantic-errors. */
2320 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2321 char*, XIMProc, XPointer*);
2323 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2325 [emacs_cv_arg6_star=yes])
2326 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2327 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2328 either XPointer or XPointer*.])dnl
2329 if test "$emacs_cv_arg6_star" = yes; then
2330 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2332 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2337 ### Start of font-backend (under any platform) section.
2338 # (nothing here yet -- this is a placeholder)
2339 ### End of font-backend (under any platform) section.
2341 ### Start of font-backend (under X11) section.
2342 if test "${HAVE_X11}" = "yes"; then
2343 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2345 ## Use -lXft if available, unless `--with-xft=no'.
2347 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2350 if test "x${with_xft}" != "xno"; then
2352 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2353 ## Because xftfont.c uses XRenderQueryExtension, we also
2354 ## need to link to -lXrender.
2356 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2357 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2358 OLD_CPPFLAGS="$CPPFLAGS"
2359 OLD_CFLAGS="$CFLAGS"
2361 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2362 CFLAGS="$CFLAGS $XFT_CFLAGS"
2363 XFT_LIBS="-lXrender $XFT_LIBS"
2364 LIBS="$XFT_LIBS $LIBS"
2365 AC_CHECK_HEADER(X11/Xft/Xft.h,
2366 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2368 if test "${HAVE_XFT}" = "yes"; then
2369 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2371 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2373 CPPFLAGS="$OLD_CPPFLAGS"
2374 CFLAGS="$OLD_CFLAGS"
2376 fi # "${HAVE_XFT}" = "yes"
2377 fi # "$HAVE_XFT" != no
2378 fi # "x${with_xft}" != "xno"
2380 ## We used to allow building with FreeType and without Xft.
2381 ## However, the ftx font backend driver is not in good shape.
2382 if test "$HAVE_XFT" != "yes"; then
2383 dnl For the "Does Emacs use" message at the end.
2387 dnl Strict linkers fail with
2388 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2389 dnl if -lfreetype is not specified.
2390 dnl The following is needed to set FREETYPE_LIBS.
2391 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2394 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2398 if test "${HAVE_FREETYPE}" = "yes"; then
2399 AC_DEFINE(HAVE_FREETYPE, 1,
2400 [Define to 1 if using the freetype and fontconfig libraries.])
2401 if test "${with_libotf}" != "no"; then
2402 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2404 if test "$HAVE_LIBOTF" = "yes"; then
2405 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2406 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2407 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2408 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2409 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2410 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2411 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2415 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2416 dnl Does the new font backend require it, or can it work without it?
2420 if test "${HAVE_LIBOTF}" = yes; then
2421 if test "${with_m17n_flt}" != "no"; then
2422 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2423 if test "$HAVE_M17N_FLT" = "yes"; then
2424 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2435 ### End of font-backend (under X11) section.
2437 AC_SUBST(FREETYPE_CFLAGS)
2438 AC_SUBST(FREETYPE_LIBS)
2439 AC_SUBST(FONTCONFIG_CFLAGS)
2440 AC_SUBST(FONTCONFIG_LIBS)
2441 AC_SUBST(LIBOTF_CFLAGS)
2442 AC_SUBST(LIBOTF_LIBS)
2443 AC_SUBST(M17N_FLT_CFLAGS)
2444 AC_SUBST(M17N_FLT_LIBS)
2446 ### Use -lXpm if available, unless `--with-xpm=no'.
2449 if test "${HAVE_X11}" = "yes"; then
2450 if test "${with_xpm}" != "no"; then
2451 AC_CHECK_HEADER(X11/xpm.h,
2452 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2453 if test "${HAVE_XPM}" = "yes"; then
2454 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2455 AC_EGREP_CPP(no_return_alloc_pixels,
2456 [#include "X11/xpm.h"
2457 #ifndef XpmReturnAllocPixels
2458 no_return_alloc_pixels
2460 ], HAVE_XPM=no, HAVE_XPM=yes)
2462 if test "${HAVE_XPM}" = "yes"; then
2470 if test "${HAVE_XPM}" = "yes"; then
2471 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2477 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2480 if test "${HAVE_X11}" = "yes"; then
2481 if test "${with_jpeg}" != "no"; then
2482 dnl Checking for jpeglib.h can lose because of a redefinition of
2484 AC_CHECK_HEADER(jerror.h,
2485 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2488 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2489 if test "${HAVE_JPEG}" = "yes"; then
2490 AC_DEFINE(HAVE_JPEG)
2491 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2492 [#include <jpeglib.h>
2493 version=JPEG_LIB_VERSION
2495 [AC_DEFINE(HAVE_JPEG)],
2496 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2499 if test "${HAVE_JPEG}" = "yes"; then
2505 ### Use -lpng if available, unless `--with-png=no'.
2508 if test "${HAVE_X11}" = "yes"; then
2509 if test "${with_png}" != "no"; then
2510 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2511 # in /usr/include/libpng.
2512 AC_CHECK_HEADERS(png.h libpng/png.h)
2513 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2514 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2518 if test "${HAVE_PNG}" = "yes"; then
2519 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2520 LIBPNG="-lpng -lz -lm"
2525 ### Use -ltiff if available, unless `--with-tiff=no'.
2528 if test "${HAVE_X11}" = "yes"; then
2529 if test "${with_tiff}" != "no"; then
2530 AC_CHECK_HEADER(tiffio.h,
2532 # At least one tiff package requires the jpeg library.
2533 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2534 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2537 if test "${HAVE_TIFF}" = "yes"; then
2538 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2539 dnl FIXME -lz -lm, as per libpng?
2545 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2548 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2549 AC_CHECK_HEADER(gif_lib.h,
2550 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2551 # Earlier versions can crash Emacs.
2552 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2554 if test "$HAVE_GIF" = yes; then
2556 elif test "$HAVE_GIF" = maybe; then
2557 # If gif_lib.h but no libgif, try libungif.
2558 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2559 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2562 if test "${HAVE_GIF}" = "yes"; then
2563 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2568 dnl Check for required libraries.
2569 if test "${HAVE_X11}" = "yes"; then
2572 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2573 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2574 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2575 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2576 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2577 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2578 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2579 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2580 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2581 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2583 if test "X${MISSING}" != X; then
2584 AC_MSG_ERROR([The following required libraries were not found:
2586 Maybe some development libraries/packages are missing?
2587 If you don't want to link with them give
2589 as options to configure])
2593 ### Use -lgpm if available, unless `--with-gpm=no'.
2596 if test "${with_gpm}" != "no"; then
2597 AC_CHECK_HEADER(gpm.h,
2598 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2600 if test "${HAVE_GPM}" = "yes"; then
2601 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2607 dnl Check for malloc/malloc.h on darwin
2608 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.])])
2611 ### Use NeXTstep API to implement GUI.
2612 if test "${HAVE_NS}" = "yes"; then
2613 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2614 if test "${NS_IMPL_COCOA}" = "yes"; then
2615 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2618 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2619 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2620 # See also .m.o rule in Makefile.in */
2621 # FIXME: are all these flags really needed? Document here why. */
2622 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2623 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2625 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2626 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2628 # We also have mouse menus.
2634 ### Use session management (-lSM -lICE) if available
2637 if test "${HAVE_X11}" = "yes"; then
2638 AC_CHECK_HEADER(X11/SM/SMlib.h,
2639 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2641 if test "${HAVE_X_SM}" = "yes"; then
2642 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2646 *) LIBS="$LIBXSM $LIBS" ;;
2652 ### Use libxml (-lxml2) if available
2653 if test "${with_xml2}" != "no"; then
2654 ### I'm not sure what the version number should be, so I just guessed.
2655 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2656 if test "${HAVE_LIBXML2}" = "yes"; then
2657 LIBS="$LIBXML2_LIBS $LIBS"
2658 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2659 if test "${HAVE_LIBXML2}" = "yes"; then
2660 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2667 AC_SUBST(LIBXML2_LIBS)
2668 AC_SUBST(LIBXML2_CFLAGS)
2670 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2671 AC_CACHE_CHECK(whether netdb declares h_errno,
2672 emacs_cv_netdb_declares_h_errno,
2673 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2674 [[return h_errno;]])],
2675 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2676 if test $emacs_cv_netdb_declares_h_errno = yes; then
2677 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2680 # fmod, logb, and frexp are found in -lm on most systems.
2681 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2682 AC_CHECK_LIB(m, sqrt)
2684 # Check for mail-locking functions in a "mail" library. Probably this should
2685 # have the same check as for liblockfile below.
2686 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2687 if test $have_mail = yes; then
2689 LIBS="$LIBS_MAIL $LIBS"
2690 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2694 dnl Debian, at least:
2695 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2696 if test $have_lockfile = yes; then
2697 LIBS_MAIL=-llockfile
2698 LIBS="$LIBS_MAIL $LIBS"
2699 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2701 # If we have the shared liblockfile, assume we must use it for mail
2702 # locking (e.g. Debian). If we couldn't link against liblockfile
2703 # (no liblockfile.a installed), ensure that we don't need to.
2704 dnl This works for files generally, not just executables.
2705 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2706 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2707 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2708 if test $ac_cv_prog_liblockfile = yes; then
2709 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2710 This probably means that movemail could lose mail.
2711 There may be a `development' package to install containing liblockfile.])
2714 AC_CHECK_FUNCS(touchlock)
2715 AC_CHECK_HEADERS(maillock.h)
2718 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2719 ## interlock access to the mail spool. The alternative is a lock file named
2720 ## /usr/spool/mail/$USER.lock.
2723 aix4-2) mail_lock="lockf" ;;
2725 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2727 ## On GNU/Linux systems, both methods are used by various mail programs.
2728 ## I assume most people are using newer mailers that have heard of flock.
2729 ## Change this if you need to.
2730 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2731 ## configure gets the right answers, and that means *NOT* using flock.
2732 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2733 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2734 ## Debian maintainer hasn't provided a clean fix for Emacs.
2735 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2736 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2737 ## correct logic. -- fx
2738 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2739 ## liblockfile is a Free Software replacement for libmail, used on
2740 ## Debian systems and elsewhere. -rfr.
2743 if test $have_mail = yes || test $have_lockfile = yes; then
2744 test $ac_cv_header_maillock_h = yes && mail_lock=no
2750 case "$mail_lock" in
2751 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2753 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2755 *) BLESSMAIL_TARGET="need-blessmail" ;;
2757 AC_SUBST(BLESSMAIL_TARGET)
2760 AC_CHECK_FUNCS(gethostname getdomainname \
2761 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2762 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2763 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2764 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2765 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2766 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2767 gai_strerror mkstemp getline getdelim mremap fsync sync \
2768 difftime mempcpy mblen mbrlen posix_memalign \
2769 cfmakeraw cfsetspeed isnan copysign __executable_start)
2771 dnl Cannot use AC_CHECK_FUNCS
2772 AC_CACHE_CHECK([for __builtin_unwind_init],
2773 emacs_cv_func___builtin_unwind_init,
2774 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2775 emacs_cv_func___builtin_unwind_init=yes,
2776 emacs_cv_func___builtin_unwind_init=no)])
2777 if test $emacs_cv_func___builtin_unwind_init = yes; then
2778 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2779 [Define to 1 if you have the `__builtin_unwind_init' function.])
2782 AC_CHECK_HEADERS(sys/un.h)
2789 AC_CHECK_FUNCS(grantpt)
2791 # PTY-related GNU extensions.
2792 AC_CHECK_FUNCS(getpt)
2794 # Check this now, so that we will NOT find the above functions in ncurses.
2795 # That is because we have not set up to link ncurses in lib-src.
2796 # It's better to believe a function is not available
2797 # than to expect to find it in ncurses.
2798 # Also we need tputs and friends to be able to build at all.
2799 have_tputs_et_al=true
2800 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2801 if test "$have_tputs_et_al" != true; then
2802 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2803 Maybe some development libraries/packages are missing? Try installing
2804 libncurses-dev(el), libterminfo-dev(el) or similar.])
2806 # Must define this when any termcap library is found.
2807 AC_DEFINE(HAVE_LIBNCURSES, 1,
2808 [Define to 1 if you have the `ncurses' library (-lncurses).])
2809 ## FIXME This was the cpp logic, but I am not sure it is right.
2810 ## The above test has not necessarily found libncurses.
2813 ## Use terminfo instead of termcap?
2814 ## Note only system files NOT using terminfo are:
2815 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2816 ## darwin|gnu without ncurses.
2820 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2821 ## hpux10-20: Use the system provided termcap(3) library.
2822 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2823 ## is necessary. Otherwise Emacs dumps core when run -nw.
2824 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2826 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2827 ## The ncurses library has been moved out of the System framework in
2828 ## Mac OS X 10.2. So if configure detects it, set the command-line
2829 ## option to use it.
2831 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2832 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2834 LIBS_TERMCAP="-lncurses"
2839 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2840 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2841 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2842 [[#if __FreeBSD_version < 400000
2845 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2847 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2849 if test $emacs_cv_freebsd_terminfo = yes; then
2851 LIBS_TERMCAP="-lncurses"
2853 LIBS_TERMCAP="-ltermcap"
2858 if test $ac_cv_search_tputs = -lterminfo; then
2860 LIBS_TERMCAP="-lterminfo"
2862 LIBS_TERMCAP="-ltermcap"
2869 ## hpux: Make sure we get select from libc rather than from libcurses
2870 ## because libcurses on HPUX 10.10 has a broken version of select.
2871 ## We used to use -lc -lcurses, but this may be cleaner.
2872 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2874 openbsd) LIBS_TERMCAP="-lncurses" ;;
2876 ## Must use system termcap, if we use any termcap. It does special things.
2877 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2880 TERMCAP_OBJ=tparam.o
2881 if test $TERMINFO = yes; then
2882 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2884 ## Default used to be -ltermcap. Add a case above if need something else.
2885 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2887 TERMCAP_OBJ=terminfo.o
2889 AC_SUBST(LIBS_TERMCAP)
2890 AC_SUBST(TERMCAP_OBJ)
2893 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2895 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2896 #include <arpa/nameser.h>
2897 #include <resolv.h>]],
2898 [[return res_init();]])],
2899 have_res_init=yes, have_res_init=no)
2900 if test "$have_res_init" = no; then
2902 LIBS="$LIBS -lresolv"
2903 AC_MSG_CHECKING(for res_init with -lresolv)
2904 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2905 #include <arpa/nameser.h>
2906 #include <resolv.h>]],
2907 [[return res_init();]])],
2908 have_res_init=yes, have_res_init=no)
2909 AC_MSG_RESULT($have_res_init)
2910 if test "$have_res_init" = yes ; then
2916 if test "$have_res_init" = yes; then
2917 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2920 # Do we need the Hesiod library to provide the support routines?
2922 if test "$with_hesiod" != no ; then
2923 # Don't set $LIBS here -- see comments above. FIXME which comments?
2924 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2925 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2926 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2927 if test "$resolv" = yes ; then
2932 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2933 hesiod=yes, :, $RESOLVLIB)])
2935 if test x"$hesiod" = xyes; then
2936 AC_DEFINE(HAVE_LIBHESIOD, 1,
2937 [Define to 1 if you have the hesiod library (-lhesiod).])
2943 # Do we need libresolv (due to res_init or Hesiod)?
2944 if test "$resolv" = yes ; then
2945 AC_DEFINE(HAVE_LIBRESOLV, 1,
2946 [Define to 1 if you have the resolv library (-lresolv).])
2953 # These tell us which Kerberos-related libraries to use.
2960 if test "${with_kerberos}" != no; then
2961 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2962 if test $have_com_err = yes; then
2963 COM_ERRLIB=-lcom_err
2964 LIBS="$COM_ERRLIB $LIBS"
2965 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2967 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2968 if test $have_crypto = yes; then
2970 LIBS="$CRYPTOLIB $LIBS"
2971 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2973 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2974 if test $have_k5crypto = yes; then
2975 CRYPTOLIB=-lk5crypto
2976 LIBS="$CRYPTOLIB $LIBS"
2977 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2979 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2980 if test $have_krb5=yes; then
2982 LIBS="$KRB5LIB $LIBS"
2983 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2985 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2986 if test "${with_kerberos5}" = no; then
2987 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2988 if test $have_des425 = yes; then
2990 LIBS="$DESLIB $LIBS"
2991 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2993 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2994 if test $have_des = yes; then
2996 LIBS="$DESLIB $LIBS"
2997 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3000 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3001 if test $have_krb4 = yes; then
3003 LIBS="$KRB4LIB $LIBS"
3004 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3006 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3007 if test $have_krb = yes; then
3009 LIBS="$KRB4LIB $LIBS"
3010 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3015 if test "${with_kerberos5}" != no; then
3016 AC_CHECK_HEADERS(krb5.h,
3017 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3018 [#include <krb5.h>])])
3020 AC_CHECK_HEADERS(des.h,,
3021 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3022 [AC_CHECK_HEADERS(kerberos/des.h)])])
3023 AC_CHECK_HEADERS(krb.h,,
3024 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3025 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3027 AC_CHECK_HEADERS(com_err.h)
3030 AC_SUBST(COM_ERRLIB)
3036 # Solaris requires -lintl if you want strerror (which calls dgettext)
3037 # to return localized messages.
3038 AC_CHECK_LIB(intl, dgettext)
3040 AC_MSG_CHECKING(whether localtime caches TZ)
3041 AC_CACHE_VAL(emacs_cv_localtime_cache,
3042 [if test x$ac_cv_func_tzset = xyes; then
3043 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3044 char TZ_GMT0[] = "TZ=GMT0";
3045 char TZ_PST8[] = "TZ=PST8";
3048 time_t now = time ((time_t *) 0);
3049 int hour_GMT0, hour_unset;
3050 if (putenv (TZ_GMT0) != 0)
3052 hour_GMT0 = localtime (&now)->tm_hour;
3054 hour_unset = localtime (&now)->tm_hour;
3055 if (putenv (TZ_PST8) != 0)
3057 if (localtime (&now)->tm_hour == hour_GMT0)
3060 if (localtime (&now)->tm_hour != hour_unset)
3063 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3064 [# If we have tzset, assume the worst when cross-compiling.
3065 emacs_cv_localtime_cache=yes])
3067 # If we lack tzset, report that localtime does not cache TZ,
3068 # since we can't invalidate the cache if we don't have tzset.
3069 emacs_cv_localtime_cache=no
3071 AC_MSG_RESULT($emacs_cv_localtime_cache)
3072 if test $emacs_cv_localtime_cache = yes; then
3073 AC_DEFINE(LOCALTIME_CACHE, 1,
3074 [Define to 1 if localtime caches TZ.])
3077 if test "x$HAVE_TIMEVAL" = xyes; then
3078 AC_CHECK_FUNCS(gettimeofday)
3079 if test $ac_cv_func_gettimeofday = yes; then
3080 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3081 emacs_cv_gettimeofday_two_arguments,
3082 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3083 #ifdef TIME_WITH_SYS_TIME
3084 #include <sys/time.h>
3087 #ifdef HAVE_SYS_TIME_H
3088 #include <sys/time.h>
3093 [[struct timeval time;
3094 gettimeofday (&time, 0);]])],
3095 emacs_cv_gettimeofday_two_arguments=yes,
3096 emacs_cv_gettimeofday_two_arguments=no)])
3097 if test $emacs_cv_gettimeofday_two_arguments = no; then
3098 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3099 [Define to 1 if gettimeofday accepts only one argument.])
3105 AC_CHECK_FUNC(socket, , ok_so_far=no)
3106 if test $ok_so_far = yes; then
3107 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3109 if test $ok_so_far = yes; then
3110 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3112 if test $ok_so_far = yes; then
3113 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3114 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3115 [Define to 1 if you have inet sockets.])
3118 if test -f /usr/lpp/X11/bin/smt.exp; then
3119 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3120 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3123 AC_MSG_CHECKING(whether system supports dynamic ptys)
3124 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3126 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3133 dnl Adapted from Haible's version.
3134 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3135 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3136 [[char* cs = nl_langinfo(CODESET);]])],
3137 emacs_cv_langinfo_codeset=yes,
3138 emacs_cv_langinfo_codeset=no)
3140 if test $emacs_cv_langinfo_codeset = yes; then
3141 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3142 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3147 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3148 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3149 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3150 if test "$emacs_cv_c_restrict_arr" = yes; then
3151 AC_DEFINE(__restrict_arr, __restrict,
3152 [Define to compiler's equivalent of C99 restrict keyword in array
3153 declarations. Define as empty for no equivalent.])
3156 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3157 dnl how the tty code is related to POSIX and/or other versions of termios.
3158 dnl The following looks like a useful start.
3160 dnl AC_SYS_POSIX_TERMIOS
3161 dnl if test $ac_cv_sys_posix_termios = yes; then
3162 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3163 dnl and macros for terminal control.])
3164 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3167 # Set up the CFLAGS for real compilation, so we can substitute it.
3168 CFLAGS="$REAL_CFLAGS"
3169 CPPFLAGS="$REAL_CPPFLAGS"
3171 ## Hack to detect a buggy GCC version.
3172 if test "x$GCC" = xyes \
3173 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3174 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3175 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3176 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3179 version=$PACKAGE_VERSION
3181 ### Specify what sort of things we'll be editing into Makefile and config.h.
3182 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3184 AC_SUBST(configuration)
3189 AC_SUBST(exec_prefix)
3192 AC_SUBST(sharedstatedir)
3193 AC_SUBST(libexecdir)
3197 AC_SUBST(locallisppath)
3199 AC_SUBST(x_default_search_path)
3201 AC_SUBST(archlibdir)
3206 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3207 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3208 ## end of LIBX_BASE, but nothing ever set it.
3209 AC_SUBST(LD_SWITCH_X_SITE)
3210 AC_SUBST(C_SWITCH_X_SITE)
3211 AC_SUBST(C_SWITCH_X_SYSTEM)
3213 ## Used in lwlib/Makefile.in.
3214 AC_SUBST(X_TOOLKIT_TYPE)
3215 if test -n "${machfile}"; then
3216 M_FILE="\$(srcdir)/${machfile}"
3220 S_FILE="\$(srcdir)/${opsysfile}"
3224 AC_SUBST(ns_appbindir)
3225 AC_SUBST(ns_appresdir)
3227 AC_SUBST(GNU_OBJC_CFLAGS)
3228 AC_SUBST(OTHER_FILES)
3230 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3231 [Define to the canonical Emacs configuration name.])
3232 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3233 [Define to the options passed to configure.])
3234 if test -n "$machfile"; then
3235 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3236 [Define to the used machine dependent file.])
3238 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3239 [Define to the used os dependent file.])
3244 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3245 AC_DEFINE(HAVE_X_WINDOWS, 1,
3246 [Define to 1 if you want to use the X window system.])
3248 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3250 if test "$HAVE_XFT" = "yes"; then
3251 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3252 elif test "$HAVE_FREETYPE" = "yes"; then
3253 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3263 if test "${USE_X_TOOLKIT}" != "none" ; then
3265 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3266 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3267 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3268 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3269 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3273 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3274 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3278 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3279 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3280 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3284 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3285 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3288 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3291 AC_SUBST(WIDGET_OBJ)
3294 case "$USE_X_TOOLKIT" in
3295 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3296 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3297 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
3299 AC_SUBST(TOOLKIT_LIBW)
3301 if test "$USE_X_TOOLKIT" = "none"; then
3302 LIBXT_OTHER="\$(LIBXSM)"
3303 OLDXMENU_TARGET="really-oldXMenu"
3305 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3306 OLDXMENU_TARGET="really-lwlib"
3308 AC_SUBST(LIBXT_OTHER)
3310 ## The X Menu stuff is present in the X10 distribution, but missing
3311 ## from X11. If we have X10, just use the installed library;
3312 ## otherwise, use our own copy.
3313 if test "${HAVE_X11}" = "yes" ; then
3314 AC_DEFINE(HAVE_X11, 1,
3315 [Define to 1 if you want to use version 11 of X windows.
3316 Otherwise, Emacs expects to use version 10.])
3318 if test "$USE_X_TOOLKIT" = "none"; then
3319 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3321 OLDXMENU="\${lwlibdir}/liblw.a"
3323 LIBXMENU="\$(OLDXMENU)"
3324 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3325 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3327 ## For a syntactically valid Makefile; not actually used for anything.
3328 ## See comments in src/Makefile.in.
3330 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3331 if test "${HAVE_X_WINDOWS}" = "yes"; then
3340 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3347 AC_SUBST(OLDXMENU_TARGET)
3350 AC_SUBST(LIBX_OTHER)
3351 AC_SUBST(OLDXMENU_DEPS)
3353 if test "${HAVE_MENUS}" = "yes" ; then
3354 AC_DEFINE(HAVE_MENUS, 1,
3355 [Define to 1 if you have mouse menus.
3356 (This is automatic if you use X, but the option to specify it remains.)
3357 It is also defined with other window systems that support xmenu.c.])
3360 if test "${GNU_MALLOC}" = "yes" ; then
3361 AC_DEFINE(GNU_MALLOC, 1,
3362 [Define to 1 if you want to use the GNU memory allocator.])
3366 if test "${REL_ALLOC}" = "yes" ; then
3367 AC_DEFINE(REL_ALLOC, 1,
3368 [Define REL_ALLOC if you want to use the relocating allocator for
3371 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3373 AC_SUBST(RALLOC_OBJ)
3375 if test "$opsys" = "cygwin"; then
3376 CYGWIN_OBJ="sheap.o"
3377 ## Cygwin differs because of its unexec().
3379 POST_ALLOC_OBJ=lastfile.o
3382 PRE_ALLOC_OBJ=lastfile.o
3385 AC_SUBST(CYGWIN_OBJ)
3386 AC_SUBST(PRE_ALLOC_OBJ)
3387 AC_SUBST(POST_ALLOC_OBJ)
3389 # Configure gnulib here, now that we know LIBS.
3390 gl_ASSERT_NO_GNULIB_POSIXCHECK
3391 gl_ASSERT_NO_GNULIB_TESTS
3395 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3398 ## The -headerpad option tells ld (see man page) to leave room at the
3399 ## end of the header for adding load commands. Needed for dumping.
3400 ## 0x690 is the total size of 30 segment load commands (at 56
3401 ## each); under Cocoa 31 commands are required.
3402 if test "$HAVE_NS" = "yes"; then
3403 libs_nsgui="-framework AppKit"
3409 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3411 ## This is here because src/Makefile.in did some extra fiddling around
3412 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3413 ## #ifndef LD_SWITCH_SYSTEM
3414 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3415 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3416 ## not using gcc, darwin system not on an alpha (ie darwin, since
3417 ## darwin + alpha does not occur).
3418 ## Because this was done in src/Makefile.in, the resulting part of
3419 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3420 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3421 ## rather than LD_SWITCH_SYSTEM.
3422 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3423 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3426 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3427 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3428 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3429 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3430 ## had different values in configure (in ac_link) and src/Makefile.in.
3431 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3432 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3434 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3437 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3438 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3441 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3447 ## gnu: GNU needs its own crt0.
3448 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3450 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3451 ## library search parth, i.e. it won't search /usr/lib for libc and
3452 ## friends. Using -nostartfiles instead avoids this problem, and
3453 ## will also work on earlier NetBSD releases.
3454 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3456 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3457 ## MkLinux/LinuxPPC needs this.
3458 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3461 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3467 if test "x$ORDINARY_LINK" = "xyes"; then
3470 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3472 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3473 ## freebsd, gnu-* not on macppc|ibms390x.
3474 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3476 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3477 ## places that are difficult to figure out at make time. Fortunately,
3478 ## these same versions allow you to pass arbitrary flags on to the
3479 ## linker, so there is no reason not to use it as a linker.
3481 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3482 ## searching for libraries in its internal directories, so we have to
3483 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3484 LD_FIRSTFLAG="-nostdlib"
3487 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3488 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3490 AC_SUBST(LD_FIRSTFLAG)
3493 ## FIXME? The logic here is not precisely the same as that above.
3494 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3495 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3497 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3500 freebsd|netbsd|openbsd) LIB_GCC= ;;
3503 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3504 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3510 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3511 ## immediately undefine it again and redefine it to empty.
3512 ## Was the C_SWITCH_X_SITE part really necessary?
3513 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3519 ## Ask GCC where to find libgcc.a.
3520 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3526 ## If we're using X11/GNUstep, define some consequences.
3527 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3528 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3529 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3533 AH_TOP([/* GNU Emacs site configuration template file.
3535 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3536 Free Software Foundation, Inc.
3538 This file is part of GNU Emacs.
3540 GNU Emacs is free software: you can redistribute it and/or modify
3541 it under the terms of the GNU General Public License as published by
3542 the Free Software Foundation, either version 3 of the License, or
3543 (at your option) any later version.
3545 GNU Emacs is distributed in the hope that it will be useful,
3546 but WITHOUT ANY WARRANTY; without even the implied warranty of
3547 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3548 GNU General Public License for more details.
3550 You should have received a copy of the GNU General Public License
3551 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3554 /* No code in Emacs #includes config.h twice, but some bits of code
3555 intended to work with other packages as well (like gmalloc.c)
3556 think they can include it as many times as they like. */
3557 #ifndef EMACS_CONFIG_H
3558 #define EMACS_CONFIG_H
3562 /* On AIX 3 this must be included before any other include file. */
3565 # error "alloca not available on this machine"
3568 /* Define AMPERSAND_FULL_NAME if you use the convention
3569 that & in the full name stands for the login id. */
3570 /* Turned on June 1996 supposing nobody will mind it. */
3571 #define AMPERSAND_FULL_NAME
3573 /* `subprocesses' should be defined if you want to
3574 have code for asynchronous subprocesses
3575 (as used in M-x compile and M-x shell).
3576 Only MSDOS does not support this (it overrides
3577 this in its config_opsysfile below). */
3579 #define subprocesses
3581 /* Include the os and machine dependent files. */
3582 #include config_opsysfile
3583 #ifdef config_machfile
3584 # include config_machfile
3587 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3588 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3589 (There is probably a better place to do this, but right now the
3590 Cocoa side does this in s/darwin.h and we cannot parallel this
3591 exactly since GNUstep is multi-OS. */
3592 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3593 # define SYSTEM_PURESIZE_EXTRA 30000
3596 #ifdef emacs /* Don't do this for lib-src. */
3597 /* Tell regex.c to use a type compatible with Emacs. */
3598 #define RE_TRANSLATE_TYPE Lisp_Object
3599 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3601 /* If make_number is a macro, use it. */
3602 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3604 /* If make_number is a function, avoid it. */
3605 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3609 /* These default definitions are good for almost all machines.
3610 Any exceptions should override them in m/MACHINE.h.
3611 They must be usable in preprocessor conditionals. */
3613 #ifndef BITS_PER_CHAR
3614 #define BITS_PER_CHAR 8
3617 #ifndef BITS_PER_SHORT
3618 #define BITS_PER_SHORT 16
3621 #ifndef BITS_PER_INT
3622 #define BITS_PER_INT 32
3625 #ifndef BITS_PER_LONG
3627 #define BITS_PER_LONG 64
3629 #define BITS_PER_LONG 32
3633 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3634 #define BITS_PER_LONG_LONG 64
3637 /* Define if the compiler supports function prototypes. It may do so but
3638 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3644 #if defined __GNUC__ && (__GNUC__ > 2 \
3645 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3646 #define NO_RETURN __attribute__ ((__noreturn__))
3648 #define NO_RETURN /* nothing */
3651 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3652 #define NO_INLINE __attribute__((noinline))
3657 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3658 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3660 #define EXTERNALLY_VISIBLE
3663 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3664 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3666 # define ATTRIBUTE_FORMAT(spec) /* empty */
3669 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3670 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3671 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3673 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3674 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3677 /* Some versions of GNU/Linux define noinline in their headers. */
3682 /* These won't be used automatically yet. We also need to know, at least,
3683 that the stack is continuous. */
3685 # ifndef GC_SETJMP_WORKS
3686 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3687 # define GC_SETJMP_WORKS 1
3689 # ifndef GC_LISP_OBJECT_ALIGNMENT
3690 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3694 #endif /* EMACS_CONFIG_H */
3703 #### Report on what we decided to do.
3704 #### Report GTK as a toolkit, even if it doesn't use Xt.
3705 #### It makes printing result more understandable as using GTK sets
3706 #### toolkit_scroll_bars to yes by default.
3707 if test "${HAVE_GTK}" = "yes"; then
3712 if test -n "$machfile"; then
3713 and_machfile=" and \`${machfile}'"
3717 Configured for \`${canonical}'.
3719 Where should the build process find the source code? ${srcdir}
3720 What operating system and machine description files should Emacs use?
3721 \`${opsysfile}'${and_machfile}
3722 What compiler should emacs be built with? ${CC} ${CFLAGS}
3723 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3724 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3725 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3726 What window system should Emacs use? ${window_system}
3727 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3729 if test -n "${x_includes}"; then
3730 echo " Where do we find X Windows header files? ${x_includes}"
3732 echo " Where do we find X Windows header files? Standard dirs"
3734 if test -n "${x_libraries}"; then
3735 echo " Where do we find X Windows libraries? ${x_libraries}"
3737 echo " Where do we find X Windows libraries? Standard dirs"
3740 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3741 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3742 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3743 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3744 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3745 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3746 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3747 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3749 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3750 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3751 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3752 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3753 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3754 echo " Does Emacs use -lgnutls (2.6.x or higher)? ${HAVE_GNUTLS}"
3755 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3757 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3758 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3759 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3760 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3762 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3764 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
3765 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
3766 echo " Does xwidgets support clutter(demo code)? ${HAVE_CLUTTER}"
3767 echo " Does xwidgets support goocanvas(demo code)? ${HAVE_GOOCANVAS}"
3770 if test $USE_XASSERTS = yes; then
3771 echo " Compiling with asserts turned on."
3772 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3777 if test "$HAVE_NS" = "yes"; then
3779 echo "You must run \"make install\" in order to test the built application.
3780 The installed application will go to nextstep/Emacs.app and can be
3781 run or moved from there."
3782 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3783 echo "The application will be fully self-contained."
3785 echo "The lisp resources for the application will be installed under ${prefix}.
3786 You may need to run \"make install\" with sudo. The application will fail
3787 to run if these resources are not installed."
3793 # Remove any trailing slashes in these variables.
3794 [test "${prefix}" != NONE &&
3795 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3796 test "${exec_prefix}" != NONE &&
3797 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3799 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3800 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3801 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3802 dnl (else you get "no `Makefile.am' found for any configure output").
3803 dnl This will work, but you get a config.status that is not quite right
3804 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3805 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3806 dnl it seems better to just live with the duplication.
3807 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"
3809 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3810 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3811 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3814 dnl test/ is not present in release tarfiles.
3815 opt_makefile=test/automated/Makefile
3817 if test -f $srcdir/${opt_makefile}.in; then
3818 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3819 dnl Again, it's best not to use a variable. Though you can add
3820 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3821 AC_CONFIG_FILES([test/automated/Makefile])
3824 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3826 AC_SUBST(SUBDIR_MAKEFILES_IN)
3828 dnl Make the necessary directories, if they don't exist.
3829 AC_CONFIG_COMMANDS([mkdirs], [
3830 for dir in etc lisp ; do
3831 test -d ${dir} || mkdir ${dir}
3835 dnl You might wonder (I did) why epaths.h is generated by running make,
3836 dnl rather than just letting configure generate it from epaths.in.
3837 dnl One reason is that the various paths are not fully expanded (see above);
3838 dnl eg gamedir=${prefix}/var/games/emacs.
3839 dnl Secondly, the GNU Coding standards require that one should be able
3840 dnl to run `make prefix=/some/where/else' and override the values set
3841 dnl by configure. This also explains the `move-if-change' test and
3842 dnl the use of force in the `epaths-force' rule in Makefile.in.
3843 AC_CONFIG_COMMANDS([epaths], [
3844 echo creating src/epaths.h
3845 ${MAKE-make} epaths-force
3846 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3848 AC_CONFIG_COMMANDS([gdbinit], [
3849 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3850 echo creating src/.gdbinit
3851 echo source $srcdir/src/.gdbinit > src/.gdbinit
3857 dnl configure.in ends here