1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2012 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.1.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
28 AC_CONFIG_AUX_DIR(build-aux)
31 dnl Support for --program-prefix, --program-suffix and
32 dnl --program-transform-name options
35 dnl It is important that variables on the RHS not be expanded here,
36 dnl hence the single quotes. This is per the GNU coding standards, see
37 dnl (autoconf) Installation Directory Variables
38 dnl See also epaths.h below.
39 lispdir='${datadir}/emacs/${version}/lisp'
40 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
41 '${datadir}/emacs/site-lisp'
42 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
43 etcdir='${datadir}/emacs/${version}/etc'
44 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
45 docdir='${datadir}/emacs/${version}/etc'
46 gamedir='${localstatedir}/games/emacs'
48 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
49 dnl Create a new --with option that defaults to being disabled.
50 dnl NAME is the base name of the option. The shell variable with_NAME
51 dnl will be set to either the user's value (if the option is
52 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
53 dnl option is not specified). Note that the shell variable name is
54 dnl constructed as autoconf does, by replacing non-alphanumeric
55 dnl characters with "_".
56 dnl HELP-STRING is the help text for the option.
57 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
58 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
59 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
62 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
63 dnl Create a new --with option that defaults to being enabled. NAME
64 dnl is the base name of the option. The shell variable with_NAME
65 dnl will be set either to 'no' (for a plain --without-NAME) or to
66 dnl 'yes' (if the option is not specified). Note that the shell
67 dnl variable name is constructed as autoconf does, by replacing
68 dnl non-alphanumeric characters with "_".
69 dnl HELP-STRING is the help text for the option.
70 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
71 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
72 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
75 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
76 if test "$with_pop" = yes; then
77 AC_DEFINE(MAIL_USE_POP)
79 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
81 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
82 if test "$with_kerberos" != no; then
86 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
88 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
89 if test "${with_kerberos5}" != no; then
90 if test "${with_kerberos}" = no; then
94 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
97 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
98 dnl FIXME hesiod support may not be present, so it seems like an error
99 dnl to define, or at least use, this unconditionally.
100 if test "$with_hesiod" != no; then
101 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
104 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
105 if test "$with_mmdf" != no; then
106 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
109 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
110 if test "$with_mail_unlink" != no; then
111 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
114 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
115 [string giving default POP mail host])],
116 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
118 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
120 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
121 if test "$with_sync_input" = yes; then
122 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
125 dnl FIXME currently it is not the last.
126 dnl This should be the last --with option, because --with-x is
127 dnl added later on when we find the path of X, and it's best to
128 dnl keep them together visually.
129 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
130 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
131 [ case "${withval}" in
132 y | ye | yes ) val=gtk ;;
134 l | lu | luc | luci | lucid ) val=lucid ;;
135 a | at | ath | athe | athen | athena ) val=athena ;;
136 m | mo | mot | moti | motif ) val=motif ;;
137 g | gt | gtk ) val=gtk ;;
140 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
141 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
142 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
148 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
149 if test "$with_wide_int" = yes; then
150 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
153 dnl _ON results in a '--without' option in the --help output, so
154 dnl the help text should refer to "don't compile", etc.
155 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
156 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
157 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
158 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
159 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
160 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
161 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
162 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
164 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
165 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
166 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
168 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
169 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
170 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
171 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
173 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
174 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
175 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
176 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
177 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
178 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
180 ## For the times when you want to build Emacs but don't have
181 ## a suitable makeinfo, and can live without the manuals.
182 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
183 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
185 ## Makefile.in needs the cache file name.
188 ## This is an option because I do not know if all info/man support
189 ## compressed files, nor how to test if they do so.
190 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
191 if test $with_compress_info = yes; then
198 AC_ARG_WITH([pkg-config-prog],dnl
199 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
200 [path to pkg-config for finding GTK and librsvg])])
201 if test "X${with_pkg_config_prog}" != X; then
202 if test "${with_pkg_config_prog}" != yes; then
203 PKG_CONFIG="${with_pkg_config_prog}"
208 AC_ARG_WITH([crt-dir],dnl
209 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
210 The default is /usr/lib, or /usr/lib64 on some platforms.])])
211 CRT_DIR="${with_crt_dir}"
213 AC_ARG_WITH(gameuser,dnl
214 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
215 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
216 && gameuser="${with_gameuser}"
217 test "X$gameuser" = X && gameuser=games
219 AC_ARG_WITH([gnustep-conf],dnl
220 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
221 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
222 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
223 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
224 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
226 AC_ARG_ENABLE(ns-self-contained,
227 [AS_HELP_STRING([--disable-ns-self-contained],
228 [disable self contained build under NeXTstep])],
229 EN_NS_SELF_CONTAINED=$enableval,
230 EN_NS_SELF_CONTAINED=yes)
232 AC_ARG_ENABLE(asserts,
233 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
234 USE_XASSERTS=$enableval,
237 AC_ARG_ENABLE(maintainer-mode,
238 [AS_HELP_STRING([--disable-maintainer-mode],
239 [disable make rules and dependencies not useful (and sometimes
240 confusing) to the casual installer])],
241 USE_MAINTAINER_MODE=$enableval,
242 USE_MAINTAINER_MODE=yes)
243 if test $USE_MAINTAINER_MODE = yes; then
250 AC_ARG_ENABLE(locallisppath,
251 [AS_HELP_STRING([--enable-locallisppath=PATH],
252 [directories Emacs should search for lisp files specific
254 if test "${enableval}" = "no"; then
256 elif test "${enableval}" != "yes"; then
257 locallisppath=${enableval}
260 AC_ARG_ENABLE(checking,
261 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
262 [enable expensive run-time checks. With LIST,
263 enable only specific categories of checks.
264 Categories are: all,yes,no.
265 Flags are: stringbytes, stringoverrun, stringfreelist,
266 xmallocoverrun, conslist])],
267 [ac_checking_flags="${enableval}"],[])
268 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
269 for check in $ac_checking_flags
272 # these set all the flags to specific states
273 yes) ac_enable_checking=1 ;;
274 no) ac_enable_checking= ;
275 ac_gc_check_stringbytes= ;
276 ac_gc_check_string_overrun= ;
277 ac_gc_check_string_free_list= ;
278 ac_xmalloc_overrun= ;
279 ac_gc_check_cons_list= ;;
280 all) ac_enable_checking=1 ;
281 ac_gc_check_stringbytes=1 ;
282 ac_gc_check_string_overrun=1 ;
283 ac_gc_check_string_free_list=1 ;
284 ac_xmalloc_overrun=1 ;
285 ac_gc_check_cons_list=1 ;;
286 # these enable particular checks
287 stringbytes) ac_gc_check_stringbytes=1 ;;
288 stringoverrun) ac_gc_check_string_overrun=1 ;;
289 stringfreelist) ac_gc_check_string_free_list=1 ;;
290 xmallocoverrun) ac_xmalloc_overrun=1 ;;
291 conslist) ac_gc_check_cons_list=1 ;;
292 *) AC_MSG_ERROR(unknown check category $check) ;;
297 if test x$ac_enable_checking != x ; then
298 AC_DEFINE(ENABLE_CHECKING, 1,
299 [Enable expensive run-time checking of data types?])
301 if test x$ac_gc_check_stringbytes != x ; then
302 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
303 [Define this temporarily to hunt a bug. If defined, the size of
304 strings is redundantly recorded in sdata structures so that it can
305 be compared to the sizes recorded in Lisp strings.])
307 if test x$ac_gc_check_string_overrun != x ; then
308 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
309 [Define this to check for short string overrun.])
311 if test x$ac_gc_check_string_free_list != x ; then
312 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
313 [Define this to check the string free list.])
315 if test x$ac_xmalloc_overrun != x ; then
316 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
317 [Define this to check for malloc buffer overrun.])
319 if test x$ac_gc_check_cons_list != x ; then
320 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
321 [Define this to check for errors in cons list.])
324 AC_ARG_ENABLE(use-lisp-union-type,
325 [AS_HELP_STRING([--enable-use-lisp-union-type],
326 [use a union for the Lisp_Object data type.
327 This is only useful for development for catching certain types of bugs.])],
328 if test "${enableval}" != "no"; then
329 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
330 [Define this to use a lisp union for the Lisp_Object data type.])
334 AC_ARG_ENABLE(profiling,
335 [AS_HELP_STRING([--enable-profiling],
336 [build emacs with profiling support.
337 This might not work on all platforms])],
338 [ac_enable_profiling="${enableval}"],[])
339 if test x$ac_enable_profiling != x ; then
340 PROFILING_CFLAGS="-DPROFILING=1 -pg"
344 AC_SUBST(PROFILING_CFLAGS)
346 AC_ARG_ENABLE(autodepend,
347 [AS_HELP_STRING([--enable-autodepend],
348 [automatically generate dependencies to .h-files.
349 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
351 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
353 #### Make srcdir absolute, if it isn't already. It's important to
354 #### avoid running the path through pwd unnecessarily, since pwd can
355 #### give you automounter prefixes, which can go away. We do all this
356 #### so Emacs can find its files when run uninstalled.
357 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
362 ## We may be able to use the $PWD environment variable to make this
363 ## absolute. But sometimes PWD is inaccurate.
364 ## Note: we used to use ${PWD} at the end instead of `pwd`,
365 ## but that tested only for a well-formed and valid PWD,
366 ## it did not object when PWD was well-formed and valid but just wrong.
367 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
371 srcdir="`(cd ${srcdir}; pwd)`"
374 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
377 #### Given the configuration name, set machfile and opsysfile to the
378 #### names of the m/*.h and s/*.h files we should use.
380 ### Canonicalize the configuration name.
384 configuration=${host_alias-${build_alias-$host}}
386 dnl This used to use changequote, but, apart from `changequote is evil'
387 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
388 dnl the great gob of text. Thus it's not processed for possible expansion.
389 dnl Just make sure the brackets remain balanced.
391 dnl Since Emacs can't find matching pairs of quotes, boundaries are
392 dnl indicated by comments.
396 ### If you add support for a new configuration, add code to this
397 ### switch statement to recognize your configuration name and select
398 ### the appropriate operating system and machine description files.
400 ### You would hope that you could choose an m/*.h file pretty much
401 ### based on the machine portion of the configuration name, and an s/*.h
402 ### file based on the operating system portion. However, it turns out
403 ### that each m/*.h file is pretty manufacturer-specific - for
404 ### example mips.h is MIPS
405 ### So we basically have to have a special case for each
406 ### configuration name.
408 ### As far as handling version numbers on operating systems is
409 ### concerned, make sure things will fail in a fixable way. If
410 ### /etc/MACHINES doesn't say anything about version numbers, be
411 ### prepared to handle anything reasonably. If version numbers
412 ### matter, be sure /etc/MACHINES says something about it.
414 machine='' opsys='' unported=no
415 case "${canonical}" in
417 ## GNU/Linux and similar ports
421 alpha*) machine=alpha ;;
422 s390x-*) machine=ibms390x ;;
423 powerpc*) machine=macppc ;;
424 sparc*) machine=sparc ;;
425 ia64*) machine=ia64 ;;
426 m68k*) machine=m68k ;;
427 x86_64*) machine=amdx86-64 ;;
434 case "${canonical}" in
435 alpha*) machine=alpha ;;
436 amd64-*|x86_64-*) machine=amdx86-64 ;;
437 ia64-*) machine=ia64 ;;
438 i[3456]86-*) machine=intel386 ;;
439 powerpc-*) machine=macppc ;;
440 sparc-*) machine=sparc ;;
441 sparc64-*) machine=sparc ;;
445 ## FreeBSD kernel + glibc based userland
448 case "${canonical}" in
449 alpha*) machine=alpha ;;
450 amd64-*|x86_64-*) machine=amdx86-64 ;;
451 ia64-*) machine=ia64 ;;
452 i[3456]86-*) machine=intel386 ;;
453 powerpc-*) machine=macppc ;;
454 sparc-*) machine=sparc ;;
455 sparc64-*) machine=sparc ;;
462 case "${canonical}" in
463 alpha*) machine=alpha ;;
464 x86_64-*) machine=amdx86-64 ;;
465 i[3456]86-*) machine=intel386 ;;
466 m68k-*) machine=m68k ;;
467 powerpc-*) machine=macppc ;;
468 sparc*-) machine=sparc ;;
469 vax-*) machine=vax ;;
476 case "${canonical}" in
477 alpha*) machine=alpha ;;
478 x86_64-*) machine=amdx86-64 ;;
479 i386-*) machine=intel386 ;;
480 powerpc-*) machine=macppc ;;
481 sparc*) machine=sparc ;;
482 vax-*) machine=vax ;;
486 ## Apple Darwin / Mac OS X
488 case "${canonical}" in
489 i[3456]86-* ) machine=intel386 ;;
490 powerpc-* ) machine=macppc ;;
491 x86_64-* ) machine=amdx86-64 ;;
495 # Define CPP as follows to make autoconf work correctly.
496 CPP="${CC-cc} -E -no-cpp-precomp"
497 # Use fink packages if available.
498 if test -d /sw/include && test -d /sw/lib; then
499 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
500 CPP="${CPP} ${GCC_TEST_OPTIONS}"
501 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
505 ## HP 9000 series 700 and 800, running HP/UX
509 hppa*-hp-hpux1[1-9]* )
511 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
515 rs6000-ibm-aix4.[23]* )
516 machine=ibmrs6000 opsys=aix4-2
518 powerpc-ibm-aix4.[23]* )
519 machine=ibmrs6000 opsys=aix4-2
521 rs6000-ibm-aix[56]* )
522 machine=ibmrs6000 opsys=aix4-2
524 powerpc-ibm-aix[56]* )
525 machine=ibmrs6000 opsys=aix4-2
528 ## Silicon Graphics machines
532 # Without defining _LANGUAGE_C, things get masked out in the headers
533 # so that, for instance, grepping for `free' in stdlib.h fails and
534 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
535 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
536 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
541 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
542 | x86_64-*-solaris2* | x86_64-*-sunos5*)
543 case "${canonical}" in
544 i[3456]86-*-* ) machine=intel386 ;;
545 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
546 sparc* ) machine=sparc ;;
549 case "${canonical}" in
550 *-sunos5.6* | *-solaris2.6* )
552 NON_GNU_CPP=/usr/ccs/lib/cpp
555 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
557 emacs_check_sunpro_c=yes
558 NON_GNU_CPP=/usr/ccs/lib/cpp
560 *-sunos5* | *-solaris* )
562 emacs_check_sunpro_c=yes
563 NON_GNU_CPP=/usr/ccs/lib/cpp
566 ## Watch out for a compiler that we know will not work.
567 case "${canonical}" in
568 *-solaris* | *-sunos5* )
569 if [ "x$CC" = x/usr/ucb/cc ]; then
570 ## /usr/ucb/cc doesn't work;
571 ## we should find some other compiler that does work.
579 ## Intel 386 machines where we don't care about the manufacturer.
582 case "${canonical}" in
583 *-cygwin ) opsys=cygwin ;;
584 *-darwin* ) opsys=darwin
585 CPP="${CC-cc} -E -no-cpp-precomp"
587 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
588 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
589 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
590 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
599 ### If the code above didn't choose an operating system, just choose
600 ### an operating system based on the configuration name. You really
601 ### only want to use this when you have no idea what the right
602 ### operating system is; if you know what operating systems a machine
603 ### runs, it's cleaner to make it explicit in the case statement
605 if test x"${opsys}" = x; then
606 case "${canonical}" in
607 *-gnu* ) opsys=gnu ;;
617 if test $unported = yes; then
618 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
619 Check `etc/MACHINES' for recognized configuration names.])
622 if test -n "$machine"; then
623 machfile="m/${machine}.h"
627 opsysfile="s/${opsys}.h"
630 #### Choose a compiler.
631 test -n "$CC" && cc_specified=yes
633 # Save the value of CFLAGS that the user specified.
634 SPECIFIED_CFLAGS="$CFLAGS"
636 dnl Sets GCC=yes if using gcc.
640 # Initialize gnulib right after verifying that the C compiler works.
643 # On Suns, sometimes $CPP names a directory.
644 if test -n "$CPP" && test -d "$CPP"; then
648 ## If not using gcc, and on Solaris, and no CPP specified, see if
649 ## using a Sun compiler, which needs -Xs to prevent whitespace.
650 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
651 test x"$CPP" = x; then
652 AC_MSG_CHECKING([whether we are using a Sun C compiler])
653 AC_CACHE_VAL(emacs_cv_sunpro_c,
654 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
658 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
659 AC_MSG_RESULT($emacs_cv_sunpro_c)
661 if test x"$emacs_cv_sunpro_c" = xyes; then
662 NON_GNU_CPP="$CC -E -Xs"
666 #### Some systems specify a CPP to use unless we are using GCC.
667 #### Now that we know whether we are using GCC, we can decide whether
668 #### to use that one.
669 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
674 #### Some systems specify a CC to use unless we are using GCC.
675 #### Now that we know whether we are using GCC, we can decide whether
676 #### to use that one.
677 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
678 test x$cc_specified != xyes
683 if test x$GCC = xyes; then
684 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
686 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
689 AC_ARG_ENABLE([gcc-warnings],
690 [AS_HELP_STRING([--enable-gcc-warnings],
691 [turn on lots of GCC warnings (for developers)])],
694 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
696 gl_gcc_warnings=$enableval],
700 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
701 # ------------------------------------------------
702 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
703 # Otherwise, run RUN-IF-NOT-FOUND.
704 AC_DEFUN([gl_GCC_VERSION_IFELSE],
708 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
711 # error "your version of gcc is older than $1.$2"
718 # When compiling with GCC, prefer -isystem to -I when including system
719 # include files, to avoid generating useless diagnostics for the files.
720 if test "$gl_gcc_warnings" != yes; then
725 # This, $nw, is the list of warnings we disable.
728 case $with_x_toolkit in
729 lucid | athena | motif)
730 # Old toolkits mishandle 'const'.
731 nw="$nw -Wwrite-strings"
734 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
737 AC_SUBST([WERROR_CFLAGS])
739 nw="$nw -Waggregate-return" # anachronistic
740 nw="$nw -Wlong-long" # C90 is anachronistic (lib/gethrxtime.h)
741 nw="$nw -Wc++-compat" # We don't care about C++ compilers
742 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
743 nw="$nw -Wtraditional" # Warns on #elif which we use often
744 nw="$nw -Wcast-qual" # Too many warnings for now
745 nw="$nw -Wconversion" # Too many warnings for now
746 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
747 nw="$nw -Wsign-conversion" # Too many warnings for now
748 nw="$nw -Woverlength-strings" # Not a problem these days
749 nw="$nw -Wtraditional-conversion" # Too many warnings for now
750 nw="$nw -Wpadded" # Our structs are not padded
751 nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc.
752 nw="$nw -Wlogical-op" # any use of fwrite provokes this
753 nw="$nw -Wformat-nonliteral" # Emacs does this a lot
754 nw="$nw -Wvla" # warnings in gettext.h
755 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
756 nw="$nw -Wswitch-enum" # Too many warnings for now
757 nw="$nw -Wswitch-default" # Too many warnings for now
758 nw="$nw -Wfloat-equal" # e.g., ftoastr.c
759 nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p
761 # Emacs doesn't care about shadowing; see
762 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
765 # The following lines should be removable at some point.
766 nw="$nw -Wsuggest-attribute=const"
767 nw="$nw -Wsuggest-attribute=pure"
769 gl_MANYWARN_ALL_GCC([ws])
770 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
774 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
775 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
776 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
777 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
778 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
779 gl_WARN_ADD([-Wno-format-nonliteral])
781 # In spite of excluding -Wlogical-op above, it is enabled, as of
782 # gcc 4.5.0 20090517.
783 gl_WARN_ADD([-Wno-logical-op])
785 gl_WARN_ADD([-fdiagnostics-show-option])
786 gl_WARN_ADD([-funit-at-a-time])
788 AC_SUBST([WARN_CFLAGS])
790 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
791 AC_DEFINE([_FORTIFY_SOURCE], [2],
792 [enable compile-time and run-time bounds-checking, and some warnings])
793 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
795 # We use a slightly smaller set of warning options for lib/.
796 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
798 nw="$nw -Wunused-macros"
800 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
801 AC_SUBST([GNULIB_WARN_CFLAGS])
806 #### Some other nice autoconf tests.
808 dnl checks for programs
811 if test "x$RANLIB" = x; then
815 ## Although we're running on an amd64 kernel, we're actually compiling for
816 ## the x86 architecture. The user should probably have provided an
817 ## explicit --build to `configure', but if everything else than the kernel
818 ## is running in i386 mode, we can help them out.
819 if test "$machine" = "amdx86-64"; then
820 AC_CHECK_DECL([i386])
821 if test "$ac_cv_have_decl_i386" = "yes"; then
822 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
824 machfile="m/${machine}.h"
828 AC_PATH_PROG(INSTALL_INFO, install-info)
829 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
830 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
831 dnl Don't use GZIP, which is used by gzip for additional parameters.
832 AC_PATH_PROG(GZIP_PROG, gzip)
835 ## Need makeinfo >= 4.7 (?) to build the manuals.
836 AC_PATH_PROG(MAKEINFO, makeinfo, no)
837 dnl By this stage, configure has already checked for egrep and set EGREP,
838 dnl or exited with an error if no egrep was found.
839 if test "$MAKEINFO" != "no" && \
840 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'`" = x; then
844 ## Makeinfo is unusual. For a released Emacs, the manuals are
845 ## pre-built, and not deleted by the normal clean rules. makeinfo is
846 ## therefore in the category of "special tools" not normally required, which
847 ## configure does not have to check for (eg autoconf itself).
848 ## In a Bazaar checkout on the other hand, the manuals are not included.
849 ## So makeinfo is a requirement to build from Bazaar, and configure
850 ## should test for it as it does for any other build requirement.
851 ## We use the presence of $srcdir/info/emacs to distinguish a release,
852 ## with pre-built manuals, from a Bazaar checkout.
855 if test "$MAKEINFO" = "no"; then
857 if test "x${with_makeinfo}" = "xno"; then
859 elif test ! -e $srcdir/info/emacs; then
860 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
861 source tree does not seem to have pre-built manuals in the `info' directory.
862 Either install a suitable version of makeinfo, or re-run configure
863 with the `--without-makeinfo' option to build without the manuals.] )
866 AC_SUBST(HAVE_MAKEINFO)
868 dnl Add our options to ac_link now, after it is set up.
870 if test x$GCC = xyes; then
871 test "x$GCC_LINK_TEST_OPTIONS" != x && \
872 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
874 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
875 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
878 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
879 dnl If we can link with the flag, it shouldn't do any harm anyhow.
880 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
881 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
882 dnl if not built to support GNU ld.
884 late_LDFLAGS=$LDFLAGS
885 if test x$GCC = xyes; then
886 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
888 LDFLAGS="$LDFLAGS -znocombreloc"
891 AC_MSG_CHECKING([for -znocombreloc])
892 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
893 [AC_MSG_RESULT(yes)],
894 LDFLAGS=$late_LDFLAGS
898 # The value of CPP is a quoted variable reference, so we need to do this
899 # to get its actual value...
900 CPP=`eval "echo $CPP"`
903 dnl The function dump-emacs will not be defined and temacs will do
904 dnl (load "loadup") automatically unless told otherwise.
905 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
907 your-opsys-here) CANNOT_DUMP=yes ;;
910 test "$CANNOT_DUMP" = "yes" && \
911 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
913 AC_SUBST(CANNOT_DUMP)
918 # MSDOS uses unexcoff.o
919 # MSWindows uses unexw32.o
927 UNEXEC_OBJ=unexmacosx.o
930 UNEXEC_OBJ=unexhp9k800.o
933 # Use the Solaris dldump() function, called from unexsol.c, to dump
934 # emacs, instead of the generic ELF dump code found in unexelf.c.
935 # The resulting binary has a complete symbol table, and is better
936 # for debugging and other observability tools (debuggers, pstack, etc).
938 # If you encounter a problem using dldump(), please consider sending
939 # a message to the OpenSolaris tools-linking mailing list:
940 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
942 # It is likely that dldump() works with older Solaris too, but this has
943 # not been tested, so for now this change is for Solaris 10 or newer.
951 ## Let `ld' find image libs and similar things in /usr/local/lib.
952 ## The system compiler, GCC, has apparently been modified to not
953 ## look there, contrary to what a stock GCC would do.
954 LD_SWITCH_SYSTEM=-L/usr/local/lib
958 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
959 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
963 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
967 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
968 ## otherwise Emacs dumps core on elf systems.
969 LD_SWITCH_SYSTEM="-Z"
972 AC_SUBST(LD_SWITCH_SYSTEM)
974 ac_link="$ac_link $LD_SWITCH_SYSTEM"
976 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
977 ## which has not been defined yet. When this was handled with cpp,
978 ## it was expanded to null when configure sourced the s/*.h file.
979 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
980 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
981 ## (or somesuch), but because it is supposed to go at the _front_
982 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
983 ## Compare with the gnu-linux case below, which added to the end
984 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
985 ## LD_SWITCH_SYSTEM_TEMACS.
988 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
989 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
994 if test "$machine" = "alpha"; then
995 AC_CHECK_DECL([__ELF__])
996 if test "$ac_cv_have_decl___ELF__" = "yes"; then
997 ## With ELF, make sure that all common symbols get allocated to in the
998 ## data section. Otherwise, the dump of temacs may miss variables in
999 ## the shared library that have been initialized. For example, with
1000 ## GNU libc, __malloc_initialized would normally be resolved to the
1001 ## shared library's .bss section, which is fatal.
1002 if test "x$GCC" = "xyes"; then
1003 C_SWITCH_MACHINE="-fno-common"
1005 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
1008 UNEXEC_OBJ=unexalpha.o
1011 AC_SUBST(C_SWITCH_MACHINE)
1013 AC_SUBST(UNEXEC_OBJ)
1016 ## Some programs in src produce warnings saying certain subprograms
1017 ## are too complex and need a MAXMEM value greater than 2000 for
1018 ## additional optimization. --nils@exp-math.uni-essen.de
1019 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1020 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1021 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1022 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1023 AC_SUBST(C_SWITCH_SYSTEM)
1028 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1029 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1031 freebsd) LIBS_SYSTEM="-lutil" ;;
1033 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1035 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1037 ## Motif needs -lgen.
1038 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1040 AC_SUBST(LIBS_SYSTEM)
1043 ### Make sure subsequent tests use flags consistent with the build flags.
1045 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1046 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1048 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1051 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1052 AC_DEFUN([AC_TYPE_SIZE_T])
1053 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1054 AC_DEFUN([AC_TYPE_UID_T])
1056 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1064 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
1068 START_FILES='pre-crt0.o'
1071 ## Adding -lm confuses the dynamic linker, so omit it.
1073 START_FILES='pre-crt0.o'
1076 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1077 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1079 gnu-linux | gnu-kfreebsd )
1080 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1081 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1083 hpux10-20 | hpux11 )
1085 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1087 dnl NB this may be adjusted below.
1089 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1090 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1095 AC_SUBST(START_FILES)
1097 dnl Not all platforms use crtn.o files. Check if the current one does.
1100 for file in x $LIB_STANDARD $START_FILES; do
1102 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1106 if test "x$crt_files" != x; then
1108 ## If user specified a crt-dir, use that unconditionally.
1111 if test "X$CRT_DIR" = "X"; then
1113 CRT_DIR=/usr/lib # default
1115 case "$canonical" in
1116 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1117 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1118 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1119 ## For anything else (eg /usr/lib32), it is up the user to specify
1120 ## the location (bug#5655).
1121 ## Test for crtn.o, not just the directory, because sometimes the
1122 ## directory exists but does not have the relevant files (bug#1287).
1123 ## FIXME better to test for binary compatibility somehow.
1124 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1127 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1131 hpux10-20) CRT_DIR=/lib ;;
1134 test "x${GCC}" = xyes && crt_gcc=yes
1140 for file in $crt_files; do
1142 ## If we're using gcc, try to determine it automatically by asking
1143 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1144 ## system-dependent default from above.]
1145 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1147 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1150 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1155 dnl We expect all the files to be in a single directory, so after the
1156 dnl first there is no point asking gcc.
1159 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1162 test "x$crt_missing" = x || \
1163 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1164 Try using the --with-crt-dir option.])
1166 fi # crt_files != ""
1172 if test -f $CRT_DIR/crti.o; then
1174 test -f $CRT_DIR/crtn.o || \
1175 AC_MSG_ERROR([Required file not found: crtn.o])
1177 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1178 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1184 dnl This function definition taken from Gnome 2.0
1185 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1186 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1187 dnl also defines GSTUFF_PKG_ERRORS on error
1188 AC_DEFUN([PKG_CHECK_MODULES], [
1191 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1193 if test "$PKG_CONFIG" = "no" ; then
1194 ifelse([$4], , [AC_MSG_ERROR([
1195 *** 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])
1197 PKG_CONFIG_MIN_VERSION=0.9.0
1198 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1199 AC_MSG_CHECKING(for $2)
1201 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1202 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1203 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1210 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1211 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1212 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1218 ## If we have a custom action on failure, don't print errors, but
1219 ## do set a variable so people can do so.
1220 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1221 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1227 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1228 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1232 if test $succeeded = yes; then
1233 ifelse([$3], , :, [$3])
1235 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.])], [$4])
1240 if test "${with_sound}" != "no"; then
1241 # Sound support for GNU/Linux and the free BSDs.
1242 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1243 have_sound_header=yes)
1244 # Emulation library used on NetBSD.
1245 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1249 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1250 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1251 if test $HAVE_ALSA = yes; then
1252 SAVE_CFLAGS="$CFLAGS"
1254 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1255 LIBS="$ALSA_LIBS $LIBS"
1256 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1257 emacs_alsa_normal=yes,
1258 emacs_alsa_normal=no)
1259 if test "$emacs_alsa_normal" != yes; then
1260 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1261 [[snd_lib_error_set_handler (0);]])],
1262 emacs_alsa_subdir=yes,
1263 emacs_alsa_subdir=no)
1264 if test "$emacs_alsa_subdir" != yes; then
1265 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1267 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1270 CFLAGS="$SAVE_CFLAGS"
1272 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1273 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1274 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1277 dnl Define HAVE_SOUND if we have sound support. We know it works and
1278 dnl compiles only on the specified platforms. For others, it
1279 dnl probably doesn't make sense to try.
1280 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1282 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1283 gnu-linux|freebsd|netbsd)
1284 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1289 AC_SUBST(CFLAGS_SOUND)
1292 dnl checks for header files
1293 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1294 linux/version.h sys/systeminfo.h \
1295 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1296 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1297 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1299 AC_MSG_CHECKING(if personality LINUX32 can be set)
1300 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1301 emacs_cv_personality_linux32=yes,
1302 emacs_cv_personality_linux32=no)
1303 AC_MSG_RESULT($emacs_cv_personality_linux32)
1305 if test $emacs_cv_personality_linux32 = yes; then
1306 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1307 [Define to 1 if personality LINUX32 can be set.])
1310 dnl On Solaris 8 there's a compilation warning for term.h because
1311 dnl it doesn't define `bool'.
1312 AC_CHECK_HEADERS(term.h, , , -)
1314 AC_CHECK_DECLS([sys_siglist])
1315 if test $ac_cv_have_decl_sys_siglist != yes; then
1316 # For Tru64, at least:
1317 AC_CHECK_DECLS([__sys_siglist])
1318 if test $ac_cv_have_decl___sys_siglist = yes; then
1319 AC_DEFINE(sys_siglist, __sys_siglist,
1320 [Define to any substitute for sys_siglist.])
1325 dnl Some systems have utime.h but don't declare the struct anyplace.
1326 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1327 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1328 #include <sys/time.h>
1331 #ifdef HAVE_SYS_TIME_H
1332 #include <sys/time.h>
1339 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1340 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1341 if test $emacs_cv_struct_utimbuf = yes; then
1342 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1345 dnl Check for speed_t typedef.
1346 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1347 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1348 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1349 if test $emacs_cv_speed_t = yes; then
1350 AC_DEFINE(HAVE_SPEED_T, 1,
1351 [Define to 1 if `speed_t' is declared by <termios.h>.])
1354 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1355 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1356 #include <sys/time.h>
1359 #ifdef HAVE_SYS_TIME_H
1360 #include <sys/time.h>
1364 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1365 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1366 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1367 if test $emacs_cv_struct_timeval = yes; then
1368 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1371 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1372 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1373 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1374 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1375 HAVE_EXCEPTION=$emacs_cv_struct_exception
1376 if test $emacs_cv_struct_exception != yes; then
1377 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1380 AC_CHECK_HEADERS(sys/socket.h)
1381 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1382 #if HAVE_SYS_SOCKET_H
1383 #include <sys/socket.h>
1385 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1386 #if HAVE_SYS_SOCKET_H
1387 #include <sys/socket.h>
1389 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1390 #if HAVE_SYS_SOCKET_H
1391 #include <sys/socket.h>
1393 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1395 dnl checks for structure members
1396 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1397 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1398 struct ifreq.ifr_addr,
1399 struct ifreq.ifr_addr.sa_len], , ,
1400 [AC_INCLUDES_DEFAULT
1401 #if HAVE_SYS_SOCKET_H
1402 #include <sys/socket.h>
1408 dnl checks for compiler characteristics
1410 dnl Testing __STDC__ to determine prototype support isn't good enough.
1411 dnl DEC C, for instance, doesn't define it with default options, and
1412 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1417 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1418 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1419 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1420 if test $emacs_cv_void_star = yes; then
1421 AC_DEFINE(POINTER_TYPE, void)
1423 AC_DEFINE(POINTER_TYPE, char)
1425 AH_TEMPLATE(POINTER_TYPE,
1426 [Define as `void' if your compiler accepts `void *'; otherwise
1427 define as `char'.])dnl
1429 dnl Check for endianness.
1432 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1433 [emacs_cv_attribute_aligned],
1436 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1438 [emacs_cv_attribute_aligned=yes],
1439 [emacs_cv_attribute_aligned=no])])
1440 if test $emacs_cv_attribute_aligned = yes; then
1441 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1442 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1445 dnl check for Make feature
1451 dnl check for GNU Make if we have GCC and autodepend is on.
1452 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1453 AC_MSG_CHECKING([whether we are using GNU Make])
1455 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1456 if test "x$testval" != x; then
1459 ac_enable_autodepend=no
1461 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1462 if test $HAVE_GNU_MAKE = yes; then
1463 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1464 SAVE_CFLAGS="$CFLAGS"
1465 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1466 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1467 CFLAGS="$SAVE_CFLAGS"
1468 test -f deps.d || ac_enable_autodepend=no
1470 AC_MSG_RESULT([$ac_enable_autodepend])
1472 if test $ac_enable_autodepend = yes; then
1473 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1474 ## In parallel builds, another make might create depdir between
1475 ## the first test and mkdir, so stick another test on the end.
1476 ## Or use install-sh -d? mkdir -p is not portable.
1477 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1478 deps_frag=autodeps.mk
1481 deps_frag=$srcdir/src/$deps_frag
1484 AC_SUBST_FILE(deps_frag)
1487 lisp_frag=$srcdir/src/lisp.mk
1488 AC_SUBST_FILE(lisp_frag)
1491 dnl checks for operating system services
1492 AC_SYS_LONG_FILE_NAMES
1494 #### Choose a window system.
1497 if test "$no_x" = yes; then
1503 ## Workaround for bug in autoconf <= 2.62.
1504 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1505 ## No need to do anything special for these standard directories.
1506 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1508 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1512 LD_SWITCH_X_SITE_AUX=
1513 LD_SWITCH_X_SITE_AUX_RPATH=
1514 if test "${x_libraries}" != NONE; then
1515 if test -n "${x_libraries}"; then
1516 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1517 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1518 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1520 x_default_search_path=""
1521 x_search_path=${x_libraries}
1522 if test -z "${x_search_path}"; then
1523 x_search_path=/usr/lib
1525 for x_library in `echo ${x_search_path}: | \
1526 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1528 ${x_library}/X11/%L/%T/%N%C%S:\
1529 ${x_library}/X11/%l/%T/%N%C%S:\
1530 ${x_library}/X11/%T/%N%C%S:\
1531 ${x_library}/X11/%L/%T/%N%S:\
1532 ${x_library}/X11/%l/%T/%N%S:\
1533 ${x_library}/X11/%T/%N%S"
1534 if test x"${x_default_search_path}" = x; then
1535 x_default_search_path=${x_search_path}
1537 x_default_search_path="${x_search_path}:${x_default_search_path}"
1541 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1542 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1544 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1545 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1548 if test x"${x_includes}" = x; then
1549 bitmapdir=/usr/include/X11/bitmaps
1551 # accumulate include directories that have X11 bitmap subdirectories
1553 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1554 if test -d "${bmd}/X11/bitmaps"; then
1555 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1557 if test -d "${bmd}/bitmaps"; then
1558 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1561 if test ${bmd_acc} != "dummyval"; then
1562 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1569 tmp_CPPFLAGS="$CPPFLAGS"
1570 tmp_CFLAGS="$CFLAGS"
1571 CPPFLAGS="$CPPFLAGS -x objective-c"
1572 CFLAGS="$CFLAGS -x objective-c"
1573 TEMACS_LDFLAGS2="\${LDFLAGS}"
1575 dnl I don't think it's especially important, but src/Makefile.in
1576 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1577 dnl trailing "/" to it, so now we do it here.
1578 if test "${with_ns}" != no; then
1579 if test "${opsys}" = darwin; then
1581 ns_appdir=`pwd`/nextstep/Emacs.app
1582 ns_appbindir=${ns_appdir}/Contents/MacOS/
1583 ns_appresdir=${ns_appdir}/Contents/Resources
1584 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1585 elif test -f $GNUSTEP_CONFIG_FILE; then
1587 ns_appdir=`pwd`/nextstep/Emacs.app
1588 ns_appbindir=${ns_appdir}/
1589 ns_appresdir=${ns_appdir}/Resources
1590 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1591 dnl FIXME sourcing this several times in subshells seems inefficient.
1592 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1593 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1594 dnl I seemed to need these as well with GNUstep-startup 0.25.
1595 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1596 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1597 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1598 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1599 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1600 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1601 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1602 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1603 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1607 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1608 dnl If they had chosen to either define it or not, we could have
1609 dnl just used AC_CHECK_DECL here.
1610 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1611 emacs_cv_objc_exceptions,
1612 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1613 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1617 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1618 if test $emacs_cv_objc_exceptions = yes; then
1619 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1620 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1621 [Define if GNUstep uses ObjC exceptions.])
1622 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1626 dnl This is only used while we test the NS headers, it gets reset below.
1627 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1629 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1630 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1631 files are missing or cannot be compiled.])])
1632 NS_HAVE_NSINTEGER=yes
1633 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1635 ns_have_nsinteger=yes,
1636 ns_have_nsinteger=no)
1637 if test $ns_have_nsinteger = no; then
1638 NS_HAVE_NSINTEGER=no
1641 AC_SUBST(TEMACS_LDFLAGS2)
1646 if test "${HAVE_NS}" = yes; then
1647 if test "$with_toolkit_scroll_bars" = "no"; then
1648 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1651 window_system=nextstep
1653 # set up packaging dirs
1654 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1655 prefix=${ns_appresdir}
1656 exec_prefix=${ns_appbindir}
1657 libexecdir=${ns_appbindir}/libexec
1659 ns_frag=$srcdir/src/ns.mk
1660 NS_OBJ="fontset.o fringe.o image.o"
1661 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1663 CFLAGS="$tmp_CFLAGS"
1664 CPPFLAGS="$tmp_CPPFLAGS"
1666 AC_SUBST(NS_OBJC_OBJ)
1667 AC_SUBST(LIB_STANDARD)
1668 AC_SUBST_FILE(ns_frag)
1670 case "${window_system}" in
1674 case "${with_x_toolkit}" in
1675 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1676 motif ) USE_X_TOOLKIT=MOTIF ;;
1678 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1679 dnl USE_X_TOOLKIT is set.
1680 USE_X_TOOLKIT=none ;;
1681 gtk3 ) with_gtk3=yes
1682 USE_X_TOOLKIT=none ;;
1683 no ) USE_X_TOOLKIT=none ;;
1684 dnl If user did not say whether to use a toolkit, make this decision later:
1685 dnl use the toolkit if we have gtk, or X11R5 or newer.
1686 * ) USE_X_TOOLKIT=maybe ;;
1696 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1697 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1698 if test "$HAVE_XSERVER" = true ||
1699 test -n "$DISPLAY" ||
1700 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1701 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1702 were found. You should install the relevant development files for X
1703 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1704 sure you have development files for image handling, i.e.
1705 tiff, gif, jpeg, png and xpm.
1706 If you are sure you want Emacs compiled without X window support, pass
1712 ### If we're using X11, we should use the X menu package.
1715 yes ) HAVE_MENUS=yes ;;
1718 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1719 # Assume not, until told otherwise.
1722 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1723 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1724 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1725 emacs_cv_var___after_morecore_hook,
1726 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1727 emacs_cv_var___after_morecore_hook=yes,
1728 emacs_cv_var___after_morecore_hook=no)])
1729 if test $emacs_cv_var___after_morecore_hook = no; then
1734 dnl See comments in aix4-2.h about maybe using system malloc there.
1737 ## darwin ld insists on the use of malloc routines in the System framework.
1738 darwin|sol2-10) system_malloc=yes ;;
1741 if test "${system_malloc}" = "yes"; then
1742 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1745 (The GNU allocators don't work with this system configuration.)"
1749 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1750 VMLIMIT_OBJ=vm-limit.o
1752 AC_SUBST(GMALLOC_OBJ)
1753 AC_SUBST(VMLIMIT_OBJ)
1755 if test "$doug_lea_malloc" = "yes" ; then
1756 if test "$GNU_MALLOC" = yes ; then
1758 (Using Doug Lea's new malloc from the GNU C Library.)"
1760 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1761 [Define to 1 if you are using the GNU C Library.])
1763 ## Use mmap directly for allocating larger buffers.
1764 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1765 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1766 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1768 gnu*) REL_ALLOC=no ;;
1772 if test x"${REL_ALLOC}" = x; then
1773 REL_ALLOC=${GNU_MALLOC}
1776 use_mmap_for_buffers=no
1778 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1782 if test $use_mmap_for_buffers = yes; then
1783 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1787 LIBS="$LIBS_SYSTEM $LIBS"
1789 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1790 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1791 AC_CHECK_LIB(dnet, dnet_ntoa)
1792 dnl This causes -lresolv to get used in subsequent tests,
1793 dnl which causes failures on some systems such as HPUX 9.
1794 dnl AC_CHECK_LIB(resolv, gethostbyname)
1796 dnl FIXME replace main with a function we actually want from this library.
1797 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1799 dnl Check if pthreads is available.
1801 AC_CHECK_HEADERS(pthread.h)
1802 if test "$ac_cv_header_pthread_h"; then
1803 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1804 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1805 dnl testing for pthread_self if Emacs uses gmalloc.c.
1806 if test "$GMALLOC_OBJ" = gmalloc.o; then
1807 emacs_pthread_function=pthread_atfork
1809 emacs_pthread_function=pthread_self
1811 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1813 if test "$HAVE_PTHREAD" = yes; then
1814 case "${canonical}" in
1816 *) LIB_PTHREAD="-lpthread"
1817 LIBS="$LIB_PTHREAD $LIBS" ;;
1819 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1821 AC_SUBST([LIB_PTHREAD])
1823 AC_CHECK_LIB(pthreads, cma_open)
1825 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1826 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1827 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1828 ## added to LIBS in configure would never contain the pthreads part,
1829 ## but the value used in Makefiles might. FIXME?
1831 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1832 ## be harmless on older versions of X where it happens to exist.
1833 test "$opsys" = "aix4-2" && \
1834 test $ac_cv_lib_pthreads_cma_open = yes && \
1835 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1837 dnl Check for need for bigtoc support on IBM AIX
1841 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1843 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1844 *) gdb_cv_bigtoc=-bbigtoc ;;
1847 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1848 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1853 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1854 # used for the tests that follow. We set them back to REAL_CFLAGS and
1855 # REAL_CPPFLAGS later on.
1857 REAL_CFLAGS="$CFLAGS"
1858 REAL_CPPFLAGS="$CPPFLAGS"
1860 if test "${HAVE_X11}" = "yes"; then
1861 DEFS="$C_SWITCH_X_SITE $DEFS"
1862 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1864 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1865 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1867 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1868 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1869 # but it's more convenient here to set LD_RUN_PATH
1870 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1871 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1872 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1876 if test "${opsys}" = "gnu-linux"; then
1877 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1878 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1879 [[XOpenDisplay ("foo");]])],
1880 [xgnu_linux_first_failure=no],
1881 [xgnu_linux_first_failure=yes])
1882 if test "${xgnu_linux_first_failure}" = "yes"; then
1883 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1884 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1885 OLD_CPPFLAGS="$CPPFLAGS"
1887 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1888 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1889 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1890 LIBS="$LIBS -b i486-linuxaout"
1891 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1892 [[XOpenDisplay ("foo");]])],
1893 [xgnu_linux_second_failure=no],
1894 [xgnu_linux_second_failure=yes])
1895 if test "${xgnu_linux_second_failure}" = "yes"; then
1896 # If we get the same failure with -b, there is no use adding -b.
1897 # So take it out. This plays safe.
1898 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1899 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1900 CPPFLAGS="$OLD_CPPFLAGS"
1911 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1912 # header files included from there.
1913 AC_MSG_CHECKING(for Xkb)
1914 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1915 #include <X11/XKBlib.h>]],
1916 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1917 emacs_xkb=yes, emacs_xkb=no)
1918 AC_MSG_RESULT($emacs_xkb)
1919 if test $emacs_xkb = yes; then
1920 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1923 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1924 XScreenNumberOfScreen XSetWMProtocols)
1927 if test "${window_system}" = "x11"; then
1928 AC_MSG_CHECKING(X11 version 6)
1929 AC_CACHE_VAL(emacs_cv_x11_version_6,
1930 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1931 [[#if XlibSpecificationRelease < 6
1934 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1935 if test $emacs_cv_x11_version_6 = yes; then
1936 AC_MSG_RESULT(6 or newer)
1937 AC_DEFINE(HAVE_X11R6, 1,
1938 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1939 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1940 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1944 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1945 [Define if you have usable X11R6-style XIM support.])
1949 AC_MSG_RESULT(before 6)
1954 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1956 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1957 if test "${with_rsvg}" != "no"; then
1958 RSVG_REQUIRED=2.11.0
1959 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1961 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1962 AC_SUBST(RSVG_CFLAGS)
1965 if test $HAVE_RSVG = yes; then
1966 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1967 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1968 LIBS="$RSVG_LIBS $LIBS"
1974 if test "${HAVE_X11}" = "yes"; then
1975 if test "${with_imagemagick}" != "no"; then
1976 ## 6.2.8 is the earliest version known to work, but earlier versions
1977 ## might work - let us know if you find one.
1978 ## 6.0.7 does not work. See bug#7955.
1979 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1980 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1981 AC_SUBST(IMAGEMAGICK_CFLAGS)
1982 AC_SUBST(IMAGEMAGICK_LIBS)
1984 if test $HAVE_IMAGEMAGICK = yes; then
1985 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1986 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1987 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1988 AC_CHECK_FUNCS(MagickExportImagePixels)
1996 if test "${with_gtk3}" = "yes"; then
1999 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2001 dnl Checks for libraries.
2002 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2003 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
2004 AC_MSG_ERROR($GTK_PKG_ERRORS)
2006 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2007 GTK_OBJ=emacsgtkfixed.o
2010 if test "$pkg_check_gtk" != "yes"; then
2012 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2015 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2017 dnl Checks for libraries.
2018 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2019 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
2020 AC_MSG_ERROR($GTK_PKG_ERRORS)
2025 if test x"$pkg_check_gtk" = xyes; then
2027 AC_SUBST(GTK_CFLAGS)
2029 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2030 CFLAGS="$CFLAGS $GTK_CFLAGS"
2031 LIBS="$GTK_LIBS $LIBS"
2032 dnl Try to compile a simple GTK program.
2034 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2035 if test "${GTK_COMPILES}" != "yes"; then
2036 if test "$USE_X_TOOLKIT" != "maybe"; then
2037 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2041 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2042 GTK_OBJ="gtkutil.o $GTK_OBJ"
2044 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
2047 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2048 closing open displays. This is no problem if you just use
2049 one display, but if you use more than one and close one of them
2059 if test "${HAVE_GTK}" = "yes"; then
2061 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2062 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2063 if test "$with_toolkit_scroll_bars" != no; then
2064 with_toolkit_scroll_bars=yes
2067 dnl Check if we have the old file selection dialog declared and
2068 dnl in the link library. In 2.x it may be in the library,
2069 dnl but not declared if deprecated featured has been selected out.
2070 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2071 HAVE_GTK_FILE_SELECTION=no
2072 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2073 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2074 #include <gtk/gtk.h>])
2075 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2076 AC_CHECK_FUNCS(gtk_file_selection_new)
2080 dnl Check for functions introduced in 2.14 and later.
2081 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2082 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2083 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2084 gtk_orientable_set_orientation \
2085 gtk_window_set_has_resize_grip)
2088 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2089 dnl other platforms. Support for higher D-Bus versions than 1.0 is
2090 dnl also not configured.
2093 if test "${with_dbus}" = "yes"; then
2094 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2095 if test "$HAVE_DBUS" = yes; then
2096 LIBS="$LIBS $DBUS_LIBS"
2097 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2098 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
2104 dnl GSettings has been tested under GNU/Linux only.
2106 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2107 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2108 if test "$HAVE_GSETTINGS" = "yes"; then
2109 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2110 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2111 SETTINGS_LIBS="$GSETTINGS_LIBS"
2115 dnl GConf has been tested under GNU/Linux only.
2116 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2118 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2119 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2120 if test "$HAVE_GCONF" = yes; then
2121 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2122 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2123 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2124 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2128 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2129 SAVE_CFLAGS="$CFLAGS"
2131 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2132 LIBS="$SETTINGS_LIBS $LIBS"
2133 AC_CHECK_FUNCS([g_type_init])
2134 CFLAGS="$SAVE_CFLAGS"
2137 AC_SUBST(SETTINGS_CFLAGS)
2138 AC_SUBST(SETTINGS_LIBS)
2141 dnl SELinux is available for GNU/Linux only.
2144 if test "${with_selinux}" = "yes"; then
2145 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2146 if test "$HAVE_LIBSELINUX" = yes; then
2147 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2148 LIBSELINUX_LIBS=-lselinux
2151 AC_SUBST(LIBSELINUX_LIBS)
2154 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2155 if test "${with_gnutls}" = "yes" ; then
2156 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2157 if test "${HAVE_GNUTLS}" = "yes"; then
2158 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2161 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2162 LIBS="$LIBGNUTLS_LIBS $LIBS"
2163 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2165 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2166 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2170 AC_SUBST(LIBGNUTLS_LIBS)
2171 AC_SUBST(LIBGNUTLS_CFLAGS)
2173 dnl Do not put whitespace before the #include statements below.
2174 dnl Older compilers (eg sunos4 cc) choke on it.
2177 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2178 if test "$with_xaw3d" != no; then
2179 AC_MSG_CHECKING(for xaw3d)
2180 AC_CACHE_VAL(emacs_cv_xaw3d,
2181 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2182 #include <X11/Intrinsic.h>
2183 #include <X11/Xaw3d/Simple.h>]],
2185 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2186 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2187 emacs_cv_xaw3d=no)])
2191 if test $emacs_cv_xaw3d = yes; then
2192 AC_MSG_RESULT([yes; using Lucid toolkit])
2196 AC_DEFINE(HAVE_XAW3D, 1,
2197 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2200 AC_MSG_CHECKING(for libXaw)
2201 AC_CACHE_VAL(emacs_cv_xaw,
2202 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2203 #include <X11/Intrinsic.h>
2204 #include <X11/Xaw/Simple.h>]],
2208 if test $emacs_cv_xaw = yes; then
2209 AC_MSG_RESULT([yes; using Lucid toolkit])
2212 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2213 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2215 AC_MSG_ERROR([No X toolkit could be found.
2216 If you are sure you want Emacs compiled without an X toolkit, pass
2218 to configure. Otherwise, install the development libraries for the toolkit
2219 that you want to use (e.g. Gtk+) and re-run configure.])
2224 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2227 if test "${USE_X_TOOLKIT}" != "none"; then
2228 AC_MSG_CHECKING(X11 toolkit version)
2229 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2230 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2231 [[#if XtSpecificationRelease < 6
2234 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2235 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2236 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2237 AC_MSG_RESULT(6 or newer)
2238 AC_DEFINE(HAVE_X11XTR6, 1,
2239 [Define to 1 if you have the X11R6 or newer version of Xt.])
2240 LIBXTR6="-lSM -lICE"
2242 ## Use libw.a along with X11R6 Xt.
2243 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2246 AC_MSG_RESULT(before 6)
2249 dnl If using toolkit, check whether libXmu.a exists.
2250 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2252 if test x$HAVE_X11XTR6 = xyes; then
2253 LIBS="-lXt -lSM -lICE $LIBS"
2257 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2258 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2262 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2263 dnl Why not just test for libxmu in the normal way?
2266 ## These systems don't supply Xmu.
2268 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2273 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2274 if test "${HAVE_X11}" = "yes"; then
2275 if test "${USE_X_TOOLKIT}" != "none"; then
2276 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2281 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2282 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2283 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2284 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2287 Motif version prior to 2.1.
2289 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2290 if test $emacs_cv_motif_version_2_1 = yes; then
2291 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2293 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2294 # We put this in CFLAGS temporarily to precede other -I options
2295 # that might be in CFLAGS temporarily.
2296 # We put this in CPPFLAGS where it precedes the other -I options.
2297 OLD_CPPFLAGS=$CPPFLAGS
2299 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2300 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2301 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2303 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2304 if test $emacs_cv_lesstif = yes; then
2305 # Make sure this -I option remains in CPPFLAGS after it is set
2306 # back to REAL_CPPFLAGS.
2307 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2308 # have those other -I options anyway. Ultimately, having this
2309 # directory ultimately in CPPFLAGS will be enough.
2310 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2311 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2314 CPPFLAGS=$OLD_CPPFLAGS
2317 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2318 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2321 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2322 dnl using Motif or Xaw3d is available, and unless
2323 dnl --with-toolkit-scroll-bars=no was specified.
2325 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2326 [Define to 1 if we should use toolkit scroll bars.])dnl
2327 USE_TOOLKIT_SCROLL_BARS=no
2328 if test "${with_toolkit_scroll_bars}" != "no"; then
2329 if test "${USE_X_TOOLKIT}" != "none"; then
2330 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2331 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2333 USE_TOOLKIT_SCROLL_BARS=yes
2334 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2335 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2336 USE_TOOLKIT_SCROLL_BARS=yes
2338 elif test "${HAVE_GTK}" = "yes"; then
2339 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2340 USE_TOOLKIT_SCROLL_BARS=yes
2341 elif test "${HAVE_NS}" = "yes"; then
2342 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2343 USE_TOOLKIT_SCROLL_BARS=yes
2347 dnl See if XIM is available.
2348 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2349 #include <X11/Xlib.h>
2350 #include <X11/Xresource.h>]],
2351 [[XIMProc callback;]])],
2353 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2356 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2358 if test "${with_xim}" != "no"; then
2359 AC_DEFINE(USE_XIM, 1,
2360 [Define to 1 if we should use XIM, if it is available.])
2364 if test "${HAVE_XIM}" != "no"; then
2366 if test "$GCC" = yes; then
2367 CFLAGS="$CFLAGS --pedantic-errors"
2369 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2370 #include <X11/Xlib.h>
2371 #include <X11/Xresource.h>]],
2377 XPointer *client_data;
2379 /* If we're not using GCC, it's probably not XFree86, and this is
2380 probably right, but we can't use something like --pedantic-errors. */
2381 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2382 char*, XIMProc, XPointer*);
2384 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2386 [emacs_cv_arg6_star=yes])
2387 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2388 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2389 either XPointer or XPointer*.])dnl
2390 if test "$emacs_cv_arg6_star" = yes; then
2391 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2393 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2398 ### Start of font-backend (under any platform) section.
2399 # (nothing here yet -- this is a placeholder)
2400 ### End of font-backend (under any platform) section.
2402 ### Start of font-backend (under X11) section.
2403 if test "${HAVE_X11}" = "yes"; then
2404 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2406 ## Use -lXft if available, unless `--with-xft=no'.
2408 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2411 if test "x${with_xft}" != "xno"; then
2413 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2414 ## Because xftfont.c uses XRenderQueryExtension, we also
2415 ## need to link to -lXrender.
2417 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2418 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2419 OLD_CPPFLAGS="$CPPFLAGS"
2420 OLD_CFLAGS="$CFLAGS"
2422 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2423 CFLAGS="$CFLAGS $XFT_CFLAGS"
2424 XFT_LIBS="-lXrender $XFT_LIBS"
2425 LIBS="$XFT_LIBS $LIBS"
2426 AC_CHECK_HEADER(X11/Xft/Xft.h,
2427 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2429 if test "${HAVE_XFT}" = "yes"; then
2430 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2432 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2434 CPPFLAGS="$OLD_CPPFLAGS"
2435 CFLAGS="$OLD_CFLAGS"
2437 fi # "${HAVE_XFT}" = "yes"
2438 fi # "$HAVE_XFT" != no
2439 fi # "x${with_xft}" != "xno"
2441 ## We used to allow building with FreeType and without Xft.
2442 ## However, the ftx font backend driver is not in good shape.
2443 if test "$HAVE_XFT" != "yes"; then
2444 dnl For the "Does Emacs use" message at the end.
2448 dnl Strict linkers fail with
2449 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2450 dnl if -lfreetype is not specified.
2451 dnl The following is needed to set FREETYPE_LIBS.
2452 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2455 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2459 if test "${HAVE_FREETYPE}" = "yes"; then
2460 AC_DEFINE(HAVE_FREETYPE, 1,
2461 [Define to 1 if using the freetype and fontconfig libraries.])
2462 if test "${with_libotf}" != "no"; then
2463 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2465 if test "$HAVE_LIBOTF" = "yes"; then
2466 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2467 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2468 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2469 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2470 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2471 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2472 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2476 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2477 dnl Does the new font backend require it, or can it work without it?
2481 if test "${HAVE_LIBOTF}" = yes; then
2482 if test "${with_m17n_flt}" != "no"; then
2483 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2484 if test "$HAVE_M17N_FLT" = "yes"; then
2485 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2496 ### End of font-backend (under X11) section.
2498 AC_SUBST(FREETYPE_CFLAGS)
2499 AC_SUBST(FREETYPE_LIBS)
2500 AC_SUBST(FONTCONFIG_CFLAGS)
2501 AC_SUBST(FONTCONFIG_LIBS)
2502 AC_SUBST(LIBOTF_CFLAGS)
2503 AC_SUBST(LIBOTF_LIBS)
2504 AC_SUBST(M17N_FLT_CFLAGS)
2505 AC_SUBST(M17N_FLT_LIBS)
2507 ### Use -lXpm if available, unless `--with-xpm=no'.
2510 if test "${HAVE_X11}" = "yes"; then
2511 if test "${with_xpm}" != "no"; then
2512 AC_CHECK_HEADER(X11/xpm.h,
2513 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2514 if test "${HAVE_XPM}" = "yes"; then
2515 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2516 AC_EGREP_CPP(no_return_alloc_pixels,
2517 [#include "X11/xpm.h"
2518 #ifndef XpmReturnAllocPixels
2519 no_return_alloc_pixels
2521 ], HAVE_XPM=no, HAVE_XPM=yes)
2523 if test "${HAVE_XPM}" = "yes"; then
2531 if test "${HAVE_XPM}" = "yes"; then
2532 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2538 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2541 if test "${HAVE_X11}" = "yes"; then
2542 if test "${with_jpeg}" != "no"; then
2543 dnl Checking for jpeglib.h can lose because of a redefinition of
2545 AC_CHECK_HEADER(jerror.h,
2546 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2549 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2550 if test "${HAVE_JPEG}" = "yes"; then
2551 AC_DEFINE(HAVE_JPEG)
2552 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2553 [#include <jpeglib.h>
2554 version=JPEG_LIB_VERSION
2556 [AC_DEFINE(HAVE_JPEG)],
2557 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2560 if test "${HAVE_JPEG}" = "yes"; then
2566 ### Use -lpng if available, unless `--with-png=no'.
2569 if test "${HAVE_X11}" = "yes"; then
2570 if test "${with_png}" != "no"; then
2571 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2572 # in /usr/include/libpng.
2573 AC_CHECK_HEADERS(png.h libpng/png.h)
2574 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2575 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2579 if test "${HAVE_PNG}" = "yes"; then
2580 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2581 LIBPNG="-lpng -lz -lm"
2586 ### Use -ltiff if available, unless `--with-tiff=no'.
2589 if test "${HAVE_X11}" = "yes"; then
2590 if test "${with_tiff}" != "no"; then
2591 AC_CHECK_HEADER(tiffio.h,
2593 # At least one tiff package requires the jpeg library.
2594 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2595 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2598 if test "${HAVE_TIFF}" = "yes"; then
2599 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2600 dnl FIXME -lz -lm, as per libpng?
2606 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2609 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2610 AC_CHECK_HEADER(gif_lib.h,
2611 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2612 # Earlier versions can crash Emacs.
2613 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2615 if test "$HAVE_GIF" = yes; then
2617 elif test "$HAVE_GIF" = maybe; then
2618 # If gif_lib.h but no libgif, try libungif.
2619 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2620 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2623 if test "${HAVE_GIF}" = "yes"; then
2624 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2629 dnl Check for required libraries.
2630 if test "${HAVE_X11}" = "yes"; then
2633 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2634 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2635 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2636 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2637 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2638 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2639 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2640 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2641 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2642 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2644 if test "X${MISSING}" != X; then
2645 AC_MSG_ERROR([The following required libraries were not found:
2647 Maybe some development libraries/packages are missing?
2648 If you don't want to link with them give
2650 as options to configure])
2654 ### Use -lgpm if available, unless `--with-gpm=no'.
2657 if test "${with_gpm}" != "no"; then
2658 AC_CHECK_HEADER(gpm.h,
2659 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2661 if test "${HAVE_GPM}" = "yes"; then
2662 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2668 dnl Check for malloc/malloc.h on darwin
2669 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.])])
2672 ### Use NeXTstep API to implement GUI.
2673 if test "${HAVE_NS}" = "yes"; then
2674 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2675 if test "${NS_IMPL_COCOA}" = "yes"; then
2676 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2678 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2679 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2680 # See also .m.o rule in Makefile.in */
2681 # FIXME: are all these flags really needed? Document here why. */
2682 dnl FIXME this should be renamed to GNUSTEP_CFLAGS, and only
2683 dnl used in src/Makefile.in.
2684 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2685 ## Extra CFLAGS applied to src/*.m files.
2686 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2688 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2689 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2691 # We also have mouse menus.
2697 ### Use session management (-lSM -lICE) if available
2700 if test "${HAVE_X11}" = "yes"; then
2701 AC_CHECK_HEADER(X11/SM/SMlib.h,
2702 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2704 if test "${HAVE_X_SM}" = "yes"; then
2705 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2709 *) LIBS="$LIBXSM $LIBS" ;;
2715 ### Use libxml (-lxml2) if available
2717 if test "${with_xml2}" != "no"; then
2718 ### I'm not sure what the version number should be, so I just guessed.
2719 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2720 if test "${HAVE_LIBXML2}" = "yes"; then
2721 LIBS="$LIBXML2_LIBS $LIBS"
2722 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2723 if test "${HAVE_LIBXML2}" = "yes"; then
2724 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2731 AC_SUBST(LIBXML2_LIBS)
2732 AC_SUBST(LIBXML2_CFLAGS)
2734 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2735 AC_CACHE_CHECK(whether netdb declares h_errno,
2736 emacs_cv_netdb_declares_h_errno,
2737 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2738 [[return h_errno;]])],
2739 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2740 if test $emacs_cv_netdb_declares_h_errno = yes; then
2741 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2744 # fmod, logb, and frexp are found in -lm on most systems.
2745 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2746 AC_CHECK_LIB(m, sqrt)
2748 # Check for mail-locking functions in a "mail" library. Probably this should
2749 # have the same check as for liblockfile below.
2750 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2751 if test $have_mail = yes; then
2753 LIBS="$LIBS_MAIL $LIBS"
2754 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2758 dnl Debian, at least:
2759 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2760 if test $have_lockfile = yes; then
2761 LIBS_MAIL=-llockfile
2762 LIBS="$LIBS_MAIL $LIBS"
2763 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2765 # If we have the shared liblockfile, assume we must use it for mail
2766 # locking (e.g. Debian). If we couldn't link against liblockfile
2767 # (no liblockfile.a installed), ensure that we don't need to.
2768 dnl This works for files generally, not just executables.
2769 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2770 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2771 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2772 if test $ac_cv_prog_liblockfile = yes; then
2773 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2774 This probably means that movemail could lose mail.
2775 There may be a `development' package to install containing liblockfile.])
2778 AC_CHECK_FUNCS(touchlock)
2779 AC_CHECK_HEADERS(maillock.h)
2782 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2783 ## interlock access to the mail spool. The alternative is a lock file named
2784 ## /usr/spool/mail/$USER.lock.
2787 aix4-2) mail_lock="lockf" ;;
2789 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2791 ## On GNU/Linux systems, both methods are used by various mail programs.
2792 ## I assume most people are using newer mailers that have heard of flock.
2793 ## Change this if you need to.
2794 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2795 ## configure gets the right answers, and that means *NOT* using flock.
2796 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2797 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2798 ## Debian maintainer hasn't provided a clean fix for Emacs.
2799 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2800 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2801 ## correct logic. -- fx
2802 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2803 ## liblockfile is a Free Software replacement for libmail, used on
2804 ## Debian systems and elsewhere. -rfr.
2807 if test $have_mail = yes || test $have_lockfile = yes; then
2808 test $ac_cv_header_maillock_h = yes && mail_lock=no
2814 case "$mail_lock" in
2815 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2817 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2819 *) BLESSMAIL_TARGET="need-blessmail" ;;
2821 AC_SUBST(BLESSMAIL_TARGET)
2824 AC_CHECK_FUNCS(gethostname getdomainname \
2825 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2826 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2827 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2828 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2829 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2830 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2831 gai_strerror mkstemp getline getdelim mremap fsync sync \
2832 difftime mempcpy mblen mbrlen posix_memalign \
2833 cfmakeraw cfsetspeed copysign __executable_start)
2835 dnl Cannot use AC_CHECK_FUNCS
2836 AC_CACHE_CHECK([for __builtin_unwind_init],
2837 emacs_cv_func___builtin_unwind_init,
2838 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2839 emacs_cv_func___builtin_unwind_init=yes,
2840 emacs_cv_func___builtin_unwind_init=no)])
2841 if test $emacs_cv_func___builtin_unwind_init = yes; then
2842 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2843 [Define to 1 if you have the `__builtin_unwind_init' function.])
2846 AC_CHECK_HEADERS(sys/un.h)
2853 AC_CHECK_FUNCS(grantpt)
2855 # PTY-related GNU extensions.
2856 AC_CHECK_FUNCS(getpt)
2858 # Check this now, so that we will NOT find the above functions in ncurses.
2859 # That is because we have not set up to link ncurses in lib-src.
2860 # It's better to believe a function is not available
2861 # than to expect to find it in ncurses.
2862 # Also we need tputs and friends to be able to build at all.
2863 AC_MSG_CHECKING([for library containing tputs])
2864 # Run a test program that contains a call to tputs, a call that is
2865 # never executed. This tests whether a pre-'main' dynamic linker
2866 # works with the library. It's too much trouble to actually call
2867 # tputs in the test program, due to portability hassles. When
2868 # cross-compiling, assume the test program will run if it links.
2869 AC_DEFUN([tputs_link_source], [
2871 [[extern void tputs (const char *, int, int (*)(int));
2872 int main (int argc, char **argv)
2875 tputs (argv[0], 0, 0);
2879 # Maybe curses should be tried earlier?
2880 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2881 for tputs_library in '' ncurses terminfo termcap curses; do
2883 if test -z "$tputs_library"; then
2887 LIBS_TERMCAP=-l$tputs_library
2889 LIBS="$LIBS_TERMCAP $LIBS"
2891 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
2892 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
2894 if test "X$msg" != Xno; then
2898 AC_MSG_RESULT([$msg])
2899 if test "X$msg" = Xno; then
2900 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2901 These libraries were tried: libncurses, libterminfo, libtermcap, libcurses.
2902 Please try installing whichever of these libraries is most appropriate
2903 for your system, together with its header files.
2904 For example, a libncurses-dev(el) or similar package.])
2906 # Must define this when any termcap library is found.
2907 AC_DEFINE(HAVE_LIBNCURSES, 1,
2908 [Define to 1 if you have the `ncurses' library (-lncurses).])
2909 ## FIXME This was the cpp logic, but I am not sure it is right.
2910 ## The above test has not necessarily found libncurses.
2913 ## Use terminfo instead of termcap?
2914 ## Note only system files NOT using terminfo are:
2915 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2916 ## darwin|gnu without ncurses.
2919 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2920 ## hpux10-20: Use the system provided termcap(3) library.
2921 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2922 ## is necessary. Otherwise Emacs dumps core when run -nw.
2923 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2925 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2926 ## The ncurses library has been moved out of the System framework in
2927 ## Mac OS X 10.2. So if configure detects it, set the command-line
2928 ## option to use it.
2930 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2931 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2933 LIBS_TERMCAP="-lncurses"
2938 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2939 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2940 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2941 [[#if __FreeBSD_version < 400000
2944 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2946 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2948 if test $emacs_cv_freebsd_terminfo = yes; then
2950 LIBS_TERMCAP="-lncurses"
2952 LIBS_TERMCAP="-ltermcap"
2957 if test $ac_cv_search_tputs = -lterminfo; then
2959 LIBS_TERMCAP="-lterminfo"
2961 LIBS_TERMCAP="-ltermcap"
2968 ## hpux: Make sure we get select from libc rather than from libcurses
2969 ## because libcurses on HPUX 10.10 has a broken version of select.
2970 ## We used to use -lc -lcurses, but this may be cleaner.
2971 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2973 openbsd) LIBS_TERMCAP="-lncurses" ;;
2975 ## Must use system termcap, if we use any termcap. It does special things.
2976 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2979 TERMCAP_OBJ=tparam.o
2980 if test $TERMINFO = yes; then
2981 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2982 TERMCAP_OBJ=terminfo.o
2984 AC_SUBST(LIBS_TERMCAP)
2985 AC_SUBST(TERMCAP_OBJ)
2988 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2990 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2991 #include <arpa/nameser.h>
2992 #include <resolv.h>]],
2993 [[return res_init();]])],
2994 have_res_init=yes, have_res_init=no)
2995 if test "$have_res_init" = no; then
2997 LIBS="$LIBS -lresolv"
2998 AC_MSG_CHECKING(for res_init with -lresolv)
2999 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3000 #include <arpa/nameser.h>
3001 #include <resolv.h>]],
3002 [[return res_init();]])],
3003 have_res_init=yes, have_res_init=no)
3004 AC_MSG_RESULT($have_res_init)
3005 if test "$have_res_init" = yes ; then
3011 if test "$have_res_init" = yes; then
3012 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3015 # Do we need the Hesiod library to provide the support routines?
3017 if test "$with_hesiod" != no ; then
3018 # Don't set $LIBS here -- see comments above. FIXME which comments?
3019 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3020 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3021 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3022 if test "$resolv" = yes ; then
3027 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3028 hesiod=yes, :, $RESOLVLIB)])
3030 if test x"$hesiod" = xyes; then
3031 AC_DEFINE(HAVE_LIBHESIOD, 1,
3032 [Define to 1 if you have the hesiod library (-lhesiod).])
3038 # Do we need libresolv (due to res_init or Hesiod)?
3039 if test "$resolv" = yes ; then
3040 AC_DEFINE(HAVE_LIBRESOLV, 1,
3041 [Define to 1 if you have the resolv library (-lresolv).])
3048 # These tell us which Kerberos-related libraries to use.
3055 if test "${with_kerberos}" != no; then
3056 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3057 if test $have_com_err = yes; then
3058 COM_ERRLIB=-lcom_err
3059 LIBS="$COM_ERRLIB $LIBS"
3060 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3062 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3063 if test $have_crypto = yes; then
3065 LIBS="$CRYPTOLIB $LIBS"
3066 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3068 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3069 if test $have_k5crypto = yes; then
3070 CRYPTOLIB=-lk5crypto
3071 LIBS="$CRYPTOLIB $LIBS"
3072 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3074 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3075 if test $have_krb5=yes; then
3077 LIBS="$KRB5LIB $LIBS"
3078 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3080 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3081 if test "${with_kerberos5}" = no; then
3082 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3083 if test $have_des425 = yes; then
3085 LIBS="$DESLIB $LIBS"
3086 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3088 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3089 if test $have_des = yes; then
3091 LIBS="$DESLIB $LIBS"
3092 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3095 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3096 if test $have_krb4 = yes; then
3098 LIBS="$KRB4LIB $LIBS"
3099 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3101 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3102 if test $have_krb = yes; then
3104 LIBS="$KRB4LIB $LIBS"
3105 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3110 if test "${with_kerberos5}" != no; then
3111 AC_CHECK_HEADERS(krb5.h,
3112 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3113 [#include <krb5.h>])])
3115 AC_CHECK_HEADERS(des.h,,
3116 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3117 [AC_CHECK_HEADERS(kerberos/des.h)])])
3118 AC_CHECK_HEADERS(krb.h,,
3119 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3120 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3122 AC_CHECK_HEADERS(com_err.h)
3125 AC_SUBST(COM_ERRLIB)
3131 AC_MSG_CHECKING(whether localtime caches TZ)
3132 AC_CACHE_VAL(emacs_cv_localtime_cache,
3133 [if test x$ac_cv_func_tzset = xyes; then
3134 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3135 char TZ_GMT0[] = "TZ=GMT0";
3136 char TZ_PST8[] = "TZ=PST8";
3139 time_t now = time ((time_t *) 0);
3140 int hour_GMT0, hour_unset;
3141 if (putenv (TZ_GMT0) != 0)
3143 hour_GMT0 = localtime (&now)->tm_hour;
3145 hour_unset = localtime (&now)->tm_hour;
3146 if (putenv (TZ_PST8) != 0)
3148 if (localtime (&now)->tm_hour == hour_GMT0)
3151 if (localtime (&now)->tm_hour != hour_unset)
3154 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3155 [# If we have tzset, assume the worst when cross-compiling.
3156 emacs_cv_localtime_cache=yes])
3158 # If we lack tzset, report that localtime does not cache TZ,
3159 # since we can't invalidate the cache if we don't have tzset.
3160 emacs_cv_localtime_cache=no
3162 AC_MSG_RESULT($emacs_cv_localtime_cache)
3163 if test $emacs_cv_localtime_cache = yes; then
3164 AC_DEFINE(LOCALTIME_CACHE, 1,
3165 [Define to 1 if localtime caches TZ.])
3168 if test "x$HAVE_TIMEVAL" = xyes; then
3169 AC_CHECK_FUNCS(gettimeofday)
3170 if test $ac_cv_func_gettimeofday = yes; then
3171 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3172 emacs_cv_gettimeofday_two_arguments,
3173 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3174 #ifdef TIME_WITH_SYS_TIME
3175 #include <sys/time.h>
3178 #ifdef HAVE_SYS_TIME_H
3179 #include <sys/time.h>
3184 [[struct timeval time;
3185 gettimeofday (&time, 0);]])],
3186 emacs_cv_gettimeofday_two_arguments=yes,
3187 emacs_cv_gettimeofday_two_arguments=no)])
3188 if test $emacs_cv_gettimeofday_two_arguments = no; then
3189 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3190 [Define to 1 if gettimeofday accepts only one argument.])
3196 AC_CHECK_FUNC(socket, , ok_so_far=no)
3197 if test $ok_so_far = yes; then
3198 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3200 if test $ok_so_far = yes; then
3201 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3203 if test $ok_so_far = yes; then
3204 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3205 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3206 [Define to 1 if you have inet sockets.])
3209 if test -f /usr/lpp/X11/bin/smt.exp; then
3210 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3211 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3214 AC_MSG_CHECKING(whether system supports dynamic ptys)
3215 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3217 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3224 AC_CHECK_FUNCS(snprintf)
3226 dnl Adapted from Haible's version.
3227 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3228 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3229 [[char* cs = nl_langinfo(CODESET);]])],
3230 emacs_cv_langinfo_codeset=yes,
3231 emacs_cv_langinfo_codeset=no)
3233 if test $emacs_cv_langinfo_codeset = yes; then
3234 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3235 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3240 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3241 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3242 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3243 if test "$emacs_cv_c_restrict_arr" = yes; then
3244 AC_DEFINE(__restrict_arr, __restrict,
3245 [Define to compiler's equivalent of C99 restrict keyword in array
3246 declarations. Define as empty for no equivalent.])
3249 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3250 dnl how the tty code is related to POSIX and/or other versions of termios.
3251 dnl The following looks like a useful start.
3253 dnl AC_SYS_POSIX_TERMIOS
3254 dnl if test $ac_cv_sys_posix_termios = yes; then
3255 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3256 dnl and macros for terminal control.])
3257 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3260 # Set up the CFLAGS for real compilation, so we can substitute it.
3261 CFLAGS="$REAL_CFLAGS"
3262 CPPFLAGS="$REAL_CPPFLAGS"
3264 ## Hack to detect a buggy GCC version.
3265 if test "x$GCC" = xyes \
3266 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3267 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3268 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3269 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3272 version=$PACKAGE_VERSION
3274 ### Specify what sort of things we'll be editing into Makefile and config.h.
3275 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3277 AC_SUBST(configuration)
3282 AC_SUBST(exec_prefix)
3285 AC_SUBST(sharedstatedir)
3286 AC_SUBST(libexecdir)
3290 AC_SUBST(locallisppath)
3292 AC_SUBST(x_default_search_path)
3294 AC_SUBST(archlibdir)
3299 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3300 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3301 ## end of LIBX_BASE, but nothing ever set it.
3302 AC_SUBST(LD_SWITCH_X_SITE)
3303 AC_SUBST(C_SWITCH_X_SITE)
3304 AC_SUBST(C_SWITCH_X_SYSTEM)
3306 ## Used in lwlib/Makefile.in.
3307 AC_SUBST(X_TOOLKIT_TYPE)
3308 if test -n "${machfile}"; then
3309 M_FILE="\$(srcdir)/${machfile}"
3313 S_FILE="\$(srcdir)/${opsysfile}"
3317 AC_SUBST(ns_appbindir)
3318 AC_SUBST(ns_appresdir)
3320 AC_SUBST(GNU_OBJC_CFLAGS)
3321 AC_SUBST(OTHER_FILES)
3323 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3324 [Define to the canonical Emacs configuration name.])
3325 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3326 [Define to the options passed to configure.])
3327 if test -n "$machfile"; then
3328 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3329 [Define to the used machine dependent file.])
3331 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3332 [Define to the used os dependent file.])
3337 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3338 AC_DEFINE(HAVE_X_WINDOWS, 1,
3339 [Define to 1 if you want to use the X window system.])
3341 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3343 if test "$HAVE_XFT" = "yes"; then
3344 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3345 elif test "$HAVE_FREETYPE" = "yes"; then
3346 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3356 if test "${USE_X_TOOLKIT}" != "none" ; then
3358 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3359 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3360 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3361 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3362 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3366 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3367 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3371 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3372 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3373 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3377 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3378 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3381 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3384 AC_SUBST(WIDGET_OBJ)
3387 case "$USE_X_TOOLKIT" in
3388 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3389 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3390 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3392 AC_SUBST(TOOLKIT_LIBW)
3394 if test "$USE_X_TOOLKIT" = "none"; then
3395 LIBXT_OTHER="\$(LIBXSM)"
3396 OLDXMENU_TARGET="really-oldXMenu"
3398 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3399 OLDXMENU_TARGET="really-lwlib"
3401 AC_SUBST(LIBXT_OTHER)
3403 ## The X Menu stuff is present in the X10 distribution, but missing
3404 ## from X11. If we have X10, just use the installed library;
3405 ## otherwise, use our own copy.
3406 if test "${HAVE_X11}" = "yes" ; then
3407 AC_DEFINE(HAVE_X11, 1,
3408 [Define to 1 if you want to use version 11 of X windows.
3409 Otherwise, Emacs expects to use version 10.])
3411 if test "$USE_X_TOOLKIT" = "none"; then
3412 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3414 OLDXMENU="\${lwlibdir}/liblw.a"
3416 LIBXMENU="\$(OLDXMENU)"
3417 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3418 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3420 ## For a syntactically valid Makefile; not actually used for anything.
3421 ## See comments in src/Makefile.in.
3423 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3424 if test "${HAVE_X_WINDOWS}" = "yes"; then
3433 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3440 AC_SUBST(OLDXMENU_TARGET)
3443 AC_SUBST(LIBX_OTHER)
3444 AC_SUBST(OLDXMENU_DEPS)
3446 if test "${HAVE_MENUS}" = "yes" ; then
3447 AC_DEFINE(HAVE_MENUS, 1,
3448 [Define to 1 if you have mouse menus.
3449 (This is automatic if you use X, but the option to specify it remains.)
3450 It is also defined with other window systems that support xmenu.c.])
3453 if test "${GNU_MALLOC}" = "yes" ; then
3454 AC_DEFINE(GNU_MALLOC, 1,
3455 [Define to 1 if you want to use the GNU memory allocator.])
3459 if test "${REL_ALLOC}" = "yes" ; then
3460 AC_DEFINE(REL_ALLOC, 1,
3461 [Define REL_ALLOC if you want to use the relocating allocator for
3464 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3466 AC_SUBST(RALLOC_OBJ)
3468 if test "$opsys" = "cygwin"; then
3469 CYGWIN_OBJ="sheap.o"
3470 ## Cygwin differs because of its unexec().
3472 POST_ALLOC_OBJ=lastfile.o
3475 PRE_ALLOC_OBJ=lastfile.o
3478 AC_SUBST(CYGWIN_OBJ)
3479 AC_SUBST(PRE_ALLOC_OBJ)
3480 AC_SUBST(POST_ALLOC_OBJ)
3482 # Configure gnulib here, now that we know LIBS.
3483 gl_ASSERT_NO_GNULIB_POSIXCHECK
3484 gl_ASSERT_NO_GNULIB_TESTS
3488 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3491 ## The -headerpad option tells ld (see man page) to leave room at the
3492 ## end of the header for adding load commands. Needed for dumping.
3493 ## 0x690 is the total size of 30 segment load commands (at 56
3494 ## each); under Cocoa 31 commands are required.
3495 if test "$HAVE_NS" = "yes"; then
3496 libs_nsgui="-framework AppKit"
3502 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3504 ## This is here because src/Makefile.in did some extra fiddling around
3505 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3506 ## #ifndef LD_SWITCH_SYSTEM
3507 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3508 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3509 ## not using gcc, darwin system not on an alpha (ie darwin, since
3510 ## darwin + alpha does not occur).
3511 ## Because this was done in src/Makefile.in, the resulting part of
3512 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3513 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3514 ## rather than LD_SWITCH_SYSTEM.
3515 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3516 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3519 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3520 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3521 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3522 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3523 ## had different values in configure (in ac_link) and src/Makefile.in.
3524 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3525 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3527 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3530 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3531 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3534 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3540 ## gnu: GNU needs its own crt0.
3541 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3543 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3544 ## library search parth, i.e. it won't search /usr/lib for libc and
3545 ## friends. Using -nostartfiles instead avoids this problem, and
3546 ## will also work on earlier NetBSD releases.
3547 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3549 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3550 ## MkLinux/LinuxPPC needs this.
3551 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3554 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3560 if test "x$ORDINARY_LINK" = "xyes"; then
3563 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3565 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3566 ## freebsd, gnu-* not on macppc|ibms390x.
3567 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3569 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3570 ## places that are difficult to figure out at make time. Fortunately,
3571 ## these same versions allow you to pass arbitrary flags on to the
3572 ## linker, so there is no reason not to use it as a linker.
3574 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3575 ## searching for libraries in its internal directories, so we have to
3576 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3577 LD_FIRSTFLAG="-nostdlib"
3580 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3581 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3583 AC_SUBST(LD_FIRSTFLAG)
3586 ## FIXME? The logic here is not precisely the same as that above.
3587 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3588 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3590 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3593 freebsd|netbsd|openbsd) LIB_GCC= ;;
3596 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3597 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3603 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3604 ## immediately undefine it again and redefine it to empty.
3605 ## Was the C_SWITCH_X_SITE part really necessary?
3606 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3612 ## Ask GCC where to find libgcc.a.
3613 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3619 ## If we're using X11/GNUstep, define some consequences.
3620 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3621 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3622 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3626 AH_TOP([/* GNU Emacs site configuration template file.
3628 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3629 Free Software Foundation, Inc.
3631 This file is part of GNU Emacs.
3633 GNU Emacs is free software: you can redistribute it and/or modify
3634 it under the terms of the GNU General Public License as published by
3635 the Free Software Foundation, either version 3 of the License, or
3636 (at your option) any later version.
3638 GNU Emacs is distributed in the hope that it will be useful,
3639 but WITHOUT ANY WARRANTY; without even the implied warranty of
3640 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3641 GNU General Public License for more details.
3643 You should have received a copy of the GNU General Public License
3644 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3647 /* No code in Emacs #includes config.h twice, but some bits of code
3648 intended to work with other packages as well (like gmalloc.c)
3649 think they can include it as many times as they like. */
3650 #ifndef EMACS_CONFIG_H
3651 #define EMACS_CONFIG_H
3655 /* On AIX 3 this must be included before any other include file. */
3658 # error "alloca not available on this machine"
3661 /* Define AMPERSAND_FULL_NAME if you use the convention
3662 that & in the full name stands for the login id. */
3663 /* Turned on June 1996 supposing nobody will mind it. */
3664 #define AMPERSAND_FULL_NAME
3666 /* `subprocesses' should be defined if you want to
3667 have code for asynchronous subprocesses
3668 (as used in M-x compile and M-x shell).
3669 Only MSDOS does not support this (it overrides
3670 this in its config_opsysfile below). */
3672 #define subprocesses
3674 /* Include the os and machine dependent files. */
3675 #include config_opsysfile
3676 #ifdef config_machfile
3677 # include config_machfile
3680 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3681 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3682 (There is probably a better place to do this, but right now the
3683 Cocoa side does this in s/darwin.h and we cannot parallel this
3684 exactly since GNUstep is multi-OS. */
3685 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3686 # define SYSTEM_PURESIZE_EXTRA 30000
3689 #ifdef emacs /* Don't do this for lib-src. */
3690 /* Tell regex.c to use a type compatible with Emacs. */
3691 #define RE_TRANSLATE_TYPE Lisp_Object
3692 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3694 /* If make_number is a macro, use it. */
3695 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3697 /* If make_number is a function, avoid it. */
3698 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3702 /* These default definitions are good for almost all machines.
3703 Any exceptions should override them in m/MACHINE.h.
3704 They must be usable in preprocessor conditionals. */
3706 #ifndef BITS_PER_CHAR
3707 #define BITS_PER_CHAR 8
3710 #ifndef BITS_PER_SHORT
3711 #define BITS_PER_SHORT 16
3714 #ifndef BITS_PER_INT
3715 #define BITS_PER_INT 32
3718 #ifndef BITS_PER_LONG
3720 #define BITS_PER_LONG 64
3722 #define BITS_PER_LONG 32
3726 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3727 #define BITS_PER_LONG_LONG 64
3730 /* Define if the compiler supports function prototypes. It may do so but
3731 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3737 #if defined __GNUC__ && (__GNUC__ > 2 \
3738 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3739 #define NO_RETURN __attribute__ ((__noreturn__))
3741 #define NO_RETURN /* nothing */
3744 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3745 #define NO_INLINE __attribute__((noinline))
3750 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3751 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3753 #define EXTERNALLY_VISIBLE
3756 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3757 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3759 # define ATTRIBUTE_FORMAT(spec) /* empty */
3762 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3763 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3764 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3766 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3767 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3770 /* Some versions of GNU/Linux define noinline in their headers. */
3775 /* These won't be used automatically yet. We also need to know, at least,
3776 that the stack is continuous. */
3778 # ifndef GC_SETJMP_WORKS
3779 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3780 # define GC_SETJMP_WORKS 1
3784 #endif /* EMACS_CONFIG_H */
3793 #### Report on what we decided to do.
3794 #### Report GTK as a toolkit, even if it doesn't use Xt.
3795 #### It makes printing result more understandable as using GTK sets
3796 #### toolkit_scroll_bars to yes by default.
3797 if test "${HAVE_GTK}" = "yes"; then
3802 if test -n "$machfile"; then
3803 and_machfile=" and \`${machfile}'"
3807 Configured for \`${canonical}'.
3809 Where should the build process find the source code? ${srcdir}
3810 What operating system and machine description files should Emacs use?
3811 \`${opsysfile}'${and_machfile}
3812 What compiler should emacs be built with? ${CC} ${CFLAGS}
3813 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3814 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3815 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3816 What window system should Emacs use? ${window_system}
3817 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3819 if test -n "${x_includes}"; then
3820 echo " Where do we find X Windows header files? ${x_includes}"
3822 echo " Where do we find X Windows header files? Standard dirs"
3824 if test -n "${x_libraries}"; then
3825 echo " Where do we find X Windows libraries? ${x_libraries}"
3827 echo " Where do we find X Windows libraries? Standard dirs"
3830 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3831 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3832 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3833 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3834 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3835 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3836 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3837 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3839 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3840 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3841 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3842 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3843 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3844 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3845 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3847 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3848 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3849 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3850 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3852 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3855 if test -n "${EMACSDATA}"; then
3856 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3858 if test -n "${EMACSDOC}"; then
3859 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3862 if test $USE_XASSERTS = yes; then
3863 echo " Compiling with asserts turned on."
3864 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3869 if test "$HAVE_NS" = "yes"; then
3871 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3872 The installed application will go to nextstep/Emacs.app and can be
3873 run or moved from there."
3874 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3875 echo "The application will be fully self-contained."
3877 echo "The lisp resources for the application will be installed under ${prefix}.
3878 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3879 to run if these resources are not installed."
3885 # Remove any trailing slashes in these variables.
3886 [test "${prefix}" != NONE &&
3887 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3888 test "${exec_prefix}" != NONE &&
3889 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3891 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3892 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3893 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3894 dnl (else you get "no `Makefile.am' found for any configure output").
3895 dnl This will work, but you get a config.status that is not quite right
3896 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3897 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3898 dnl it seems better to just live with the duplication.
3899 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"
3901 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3902 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3903 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3906 dnl test/ is not present in release tarfiles.
3907 opt_makefile=test/automated/Makefile
3909 if test -f $srcdir/${opt_makefile}.in; then
3910 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3911 dnl Again, it's best not to use a variable. Though you can add
3912 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3913 AC_CONFIG_FILES([test/automated/Makefile])
3916 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3918 AC_SUBST(SUBDIR_MAKEFILES_IN)
3920 dnl Make the necessary directories, if they don't exist.
3921 AC_CONFIG_COMMANDS([mkdirs], [
3922 for dir in etc lisp ; do
3923 test -d ${dir} || mkdir ${dir}
3927 dnl You might wonder (I did) why epaths.h is generated by running make,
3928 dnl rather than just letting configure generate it from epaths.in.
3929 dnl One reason is that the various paths are not fully expanded (see above);
3930 dnl eg gamedir=${prefix}/var/games/emacs.
3931 dnl Secondly, the GNU Coding standards require that one should be able
3932 dnl to run `make prefix=/some/where/else' and override the values set
3933 dnl by configure. This also explains the `move-if-change' test and
3934 dnl the use of force in the `epaths-force' rule in Makefile.in.
3935 AC_CONFIG_COMMANDS([epaths], [
3936 echo creating src/epaths.h
3937 ${MAKE-make} epaths-force
3938 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3940 AC_CONFIG_COMMANDS([gdbinit], [
3941 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3942 echo creating src/.gdbinit
3943 echo source $srcdir/src/.gdbinit > src/.gdbinit
3949 dnl configure.in ends here