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, 24.0.93)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
28 AC_CONFIG_AUX_DIR(build-aux)
31 dnl Support for --program-prefix, --program-suffix and
32 dnl --program-transform-name options
35 dnl It is important that variables on the RHS not be expanded here,
36 dnl hence the single quotes. This is per the GNU coding standards, see
37 dnl (autoconf) Installation Directory Variables
38 dnl See also epaths.h below.
39 lispdir='${datadir}/emacs/${version}/lisp'
40 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
41 '${datadir}/emacs/site-lisp'
42 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
43 etcdir='${datadir}/emacs/${version}/etc'
44 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
45 docdir='${datadir}/emacs/${version}/etc'
46 gamedir='${localstatedir}/games/emacs'
48 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
49 dnl Create a new --with option that defaults to being disabled.
50 dnl NAME is the base name of the option. The shell variable with_NAME
51 dnl will be set to either the user's value (if the option is
52 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
53 dnl option is not specified). Note that the shell variable name is
54 dnl constructed as autoconf does, by replacing non-alphanumeric
55 dnl characters with "_".
56 dnl HELP-STRING is the help text for the option.
57 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
58 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
59 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
62 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
63 dnl Create a new --with option that defaults to being enabled. NAME
64 dnl is the base name of the option. The shell variable with_NAME
65 dnl will be set either to 'no' (for a plain --without-NAME) or to
66 dnl 'yes' (if the option is not specified). Note that the shell
67 dnl variable name is constructed as autoconf does, by replacing
68 dnl non-alphanumeric characters with "_".
69 dnl HELP-STRING is the help text for the option.
70 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
71 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
72 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
75 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
76 if test "$with_pop" = yes; then
77 AC_DEFINE(MAIL_USE_POP)
79 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
81 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
82 if test "$with_kerberos" != no; then
86 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
88 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
89 if test "${with_kerberos5}" != no; then
90 if test "${with_kerberos}" = no; then
94 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
97 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
98 dnl FIXME hesiod support may not be present, so it seems like an error
99 dnl to define, or at least use, this unconditionally.
100 if test "$with_hesiod" != no; then
101 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
104 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
105 if test "$with_mmdf" != no; then
106 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
109 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
110 if test "$with_mail_unlink" != no; then
111 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
114 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
115 [string giving default POP mail host])],
116 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
118 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
120 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
121 if test "$with_sync_input" = yes; then
122 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
125 dnl FIXME currently it is not the last.
126 dnl This should be the last --with option, because --with-x is
127 dnl added later on when we find the path of X, and it's best to
128 dnl keep them together visually.
129 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
130 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
131 [ case "${withval}" in
132 y | ye | yes ) val=gtk ;;
134 l | lu | luc | luci | lucid ) val=lucid ;;
135 a | at | ath | athe | athen | athena ) val=athena ;;
136 m | mo | mot | moti | motif ) val=motif ;;
137 g | gt | gtk ) val=gtk ;;
140 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
141 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
142 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
148 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
149 if test "$with_wide_int" = yes; then
150 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
153 dnl _ON results in a '--without' option in the --help output, so
154 dnl the help text should refer to "don't compile", etc.
155 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
156 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
157 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
158 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
159 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
160 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
161 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
162 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
164 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
165 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
166 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
168 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
169 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
170 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
171 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
173 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
174 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
175 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
176 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
177 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
178 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
180 ## For the times when you want to build Emacs but don't have
181 ## a suitable makeinfo, and can live without the manuals.
182 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
183 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
185 ## Makefile.in needs the cache file name.
188 ## This is an option because I do not know if all info/man support
189 ## compressed files, nor how to test if they do so.
190 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
191 if test $with_compress_info = yes; then
198 AC_ARG_WITH([pkg-config-prog],dnl
199 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
200 [path to pkg-config for finding GTK and librsvg])])
201 if test "X${with_pkg_config_prog}" != X; then
202 if test "${with_pkg_config_prog}" != yes; then
203 PKG_CONFIG="${with_pkg_config_prog}"
208 AC_ARG_WITH([crt-dir],dnl
209 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
210 The default is /usr/lib, or /usr/lib64 on some platforms.])])
211 CRT_DIR="${with_crt_dir}"
213 AC_ARG_WITH(gameuser,dnl
214 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
215 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
216 && gameuser="${with_gameuser}"
217 test "X$gameuser" = X && gameuser=games
219 AC_ARG_WITH([gnustep-conf],dnl
220 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
221 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
222 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
223 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
224 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
226 AC_ARG_ENABLE(ns-self-contained,
227 [AS_HELP_STRING([--disable-ns-self-contained],
228 [disable self contained build under NeXTstep])],
229 EN_NS_SELF_CONTAINED=$enableval,
230 EN_NS_SELF_CONTAINED=yes)
232 AC_ARG_ENABLE(asserts,
233 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
234 USE_XASSERTS=$enableval,
237 AC_ARG_ENABLE(maintainer-mode,
238 [AS_HELP_STRING([--disable-maintainer-mode],
239 [disable make rules and dependencies not useful (and sometimes
240 confusing) to the casual installer])],
241 USE_MAINTAINER_MODE=$enableval,
242 USE_MAINTAINER_MODE=yes)
243 if test $USE_MAINTAINER_MODE = yes; then
250 AC_ARG_ENABLE(locallisppath,
251 [AS_HELP_STRING([--enable-locallisppath=PATH],
252 [directories Emacs should search for lisp files specific
254 if test "${enableval}" = "no"; then
256 elif test "${enableval}" != "yes"; then
257 locallisppath=${enableval}
260 AC_ARG_ENABLE(checking,
261 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
262 [enable expensive run-time checks. With LIST,
263 enable only specific categories of checks.
264 Categories are: all,yes,no.
265 Flags are: stringbytes, stringoverrun, stringfreelist,
266 xmallocoverrun, conslist])],
267 [ac_checking_flags="${enableval}"],[])
268 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
269 for check in $ac_checking_flags
272 # these set all the flags to specific states
273 yes) ac_enable_checking=1 ;;
274 no) ac_enable_checking= ;
275 ac_gc_check_stringbytes= ;
276 ac_gc_check_string_overrun= ;
277 ac_gc_check_string_free_list= ;
278 ac_xmalloc_overrun= ;
279 ac_gc_check_cons_list= ;;
280 all) ac_enable_checking=1 ;
281 ac_gc_check_stringbytes=1 ;
282 ac_gc_check_string_overrun=1 ;
283 ac_gc_check_string_free_list=1 ;
284 ac_xmalloc_overrun=1 ;
285 ac_gc_check_cons_list=1 ;;
286 # these enable particular checks
287 stringbytes) ac_gc_check_stringbytes=1 ;;
288 stringoverrun) ac_gc_check_string_overrun=1 ;;
289 stringfreelist) ac_gc_check_string_free_list=1 ;;
290 xmallocoverrun) ac_xmalloc_overrun=1 ;;
291 conslist) ac_gc_check_cons_list=1 ;;
292 *) AC_MSG_ERROR(unknown check category $check) ;;
297 if test x$ac_enable_checking != x ; then
298 AC_DEFINE(ENABLE_CHECKING, 1,
299 [Enable expensive run-time checking of data types?])
301 if test x$ac_gc_check_stringbytes != x ; then
302 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
303 [Define this temporarily to hunt a bug. If defined, the size of
304 strings is redundantly recorded in sdata structures so that it can
305 be compared to the sizes recorded in Lisp strings.])
307 if test x$ac_gc_check_string_overrun != x ; then
308 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
309 [Define this to check for short string overrun.])
311 if test x$ac_gc_check_string_free_list != x ; then
312 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
313 [Define this to check the string free list.])
315 if test x$ac_xmalloc_overrun != x ; then
316 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
317 [Define this to check for malloc buffer overrun.])
319 if test x$ac_gc_check_cons_list != x ; then
320 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
321 [Define this to check for errors in cons list.])
324 AC_ARG_ENABLE(use-lisp-union-type,
325 [AS_HELP_STRING([--enable-use-lisp-union-type],
326 [use a union for the Lisp_Object data type.
327 This is only useful for development for catching certain types of bugs.])],
328 if test "${enableval}" != "no"; then
329 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
330 [Define this to use a lisp union for the Lisp_Object data type.])
334 AC_ARG_ENABLE(profiling,
335 [AS_HELP_STRING([--enable-profiling],
336 [build emacs with profiling support.
337 This might not work on all platforms])],
338 [ac_enable_profiling="${enableval}"],[])
339 if test x$ac_enable_profiling != x ; then
340 PROFILING_CFLAGS="-DPROFILING=1 -pg"
344 AC_SUBST(PROFILING_CFLAGS)
346 AC_ARG_ENABLE(autodepend,
347 [AS_HELP_STRING([--enable-autodepend],
348 [automatically generate dependencies to .h-files.
349 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
351 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
353 #### Make srcdir absolute, if it isn't already. It's important to
354 #### avoid running the path through pwd unnecessarily, since pwd can
355 #### give you automounter prefixes, which can go away. We do all this
356 #### so Emacs can find its files when run uninstalled.
357 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
362 ## We may be able to use the $PWD environment variable to make this
363 ## absolute. But sometimes PWD is inaccurate.
364 ## Note: we used to use ${PWD} at the end instead of `pwd`,
365 ## but that tested only for a well-formed and valid PWD,
366 ## it did not object when PWD was well-formed and valid but just wrong.
367 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
371 srcdir="`(cd ${srcdir}; pwd)`"
374 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
377 #### Given the configuration name, set machfile and opsysfile to the
378 #### names of the m/*.h and s/*.h files we should use.
380 ### Canonicalize the configuration name.
384 configuration=${host_alias-${build_alias-$host}}
386 dnl This used to use changequote, but, apart from `changequote is evil'
387 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
388 dnl the great gob of text. Thus it's not processed for possible expansion.
389 dnl Just make sure the brackets remain balanced.
391 dnl Since Emacs can't find matching pairs of quotes, boundaries are
392 dnl indicated by comments.
396 ### If you add support for a new configuration, add code to this
397 ### switch statement to recognize your configuration name and select
398 ### the appropriate operating system and machine description files.
400 ### You would hope that you could choose an m/*.h file pretty much
401 ### based on the machine portion of the configuration name, and an s/*.h
402 ### file based on the operating system portion. However, it turns out
403 ### that each m/*.h file is pretty manufacturer-specific - for
404 ### example mips.h is MIPS
405 ### So we basically have to have a special case for each
406 ### configuration name.
408 ### As far as handling version numbers on operating systems is
409 ### concerned, make sure things will fail in a fixable way. If
410 ### /etc/MACHINES doesn't say anything about version numbers, be
411 ### prepared to handle anything reasonably. If version numbers
412 ### matter, be sure /etc/MACHINES says something about it.
414 machine='' opsys='' unported=no
415 case "${canonical}" in
417 ## GNU/Linux and similar ports
421 alpha*) machine=alpha ;;
422 s390x-*) machine=ibms390x ;;
423 powerpc*) machine=macppc ;;
424 sparc*) machine=sparc ;;
425 ia64*) machine=ia64 ;;
426 m68k*) machine=m68k ;;
427 x86_64*) machine=amdx86-64 ;;
434 case "${canonical}" in
435 alpha*) machine=alpha ;;
436 amd64-*|x86_64-*) machine=amdx86-64 ;;
437 ia64-*) machine=ia64 ;;
438 i[3456]86-*) machine=intel386 ;;
439 powerpc-*) machine=macppc ;;
440 sparc-*) machine=sparc ;;
441 sparc64-*) machine=sparc ;;
445 ## FreeBSD kernel + glibc based userland
448 case "${canonical}" in
449 alpha*) machine=alpha ;;
450 amd64-*|x86_64-*) machine=amdx86-64 ;;
451 ia64-*) machine=ia64 ;;
452 i[3456]86-*) machine=intel386 ;;
453 powerpc-*) machine=macppc ;;
454 sparc-*) machine=sparc ;;
455 sparc64-*) machine=sparc ;;
462 case "${canonical}" in
463 alpha*) machine=alpha ;;
464 x86_64-*) machine=amdx86-64 ;;
465 i[3456]86-*) machine=intel386 ;;
466 m68k-*) machine=m68k ;;
467 powerpc-*) machine=macppc ;;
468 sparc*-) machine=sparc ;;
469 vax-*) machine=vax ;;
476 case "${canonical}" in
477 alpha*) machine=alpha ;;
478 x86_64-*) machine=amdx86-64 ;;
479 i386-*) machine=intel386 ;;
480 powerpc-*) machine=macppc ;;
481 sparc*) machine=sparc ;;
482 vax-*) machine=vax ;;
486 ## Apple Darwin / Mac OS X
488 case "${canonical}" in
489 i[3456]86-* ) machine=intel386 ;;
490 powerpc-* ) machine=macppc ;;
491 x86_64-* ) machine=amdx86-64 ;;
495 # Define CPP as follows to make autoconf work correctly.
496 CPP="${CC-cc} -E -no-cpp-precomp"
497 # Use fink packages if available.
498 if test -d /sw/include && test -d /sw/lib; then
499 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
500 CPP="${CPP} ${GCC_TEST_OPTIONS}"
501 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
505 ## HP 9000 series 700 and 800, running HP/UX
509 hppa*-hp-hpux1[1-9]* )
511 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
515 rs6000-ibm-aix4.[23]* )
516 machine=ibmrs6000 opsys=aix4-2
518 powerpc-ibm-aix4.[23]* )
519 machine=ibmrs6000 opsys=aix4-2
521 rs6000-ibm-aix[56]* )
522 machine=ibmrs6000 opsys=aix4-2
524 powerpc-ibm-aix[56]* )
525 machine=ibmrs6000 opsys=aix4-2
528 ## Silicon Graphics machines
532 # Without defining _LANGUAGE_C, things get masked out in the headers
533 # so that, for instance, grepping for `free' in stdlib.h fails and
534 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
535 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
536 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
541 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
542 | x86_64-*-solaris2* | x86_64-*-sunos5*)
543 case "${canonical}" in
544 i[3456]86-*-* ) machine=intel386 ;;
545 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
546 sparc* ) machine=sparc ;;
549 case "${canonical}" in
550 *-sunos5.6* | *-solaris2.6* )
552 NON_GNU_CPP=/usr/ccs/lib/cpp
555 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
557 emacs_check_sunpro_c=yes
558 NON_GNU_CPP=/usr/ccs/lib/cpp
560 *-sunos5* | *-solaris* )
562 emacs_check_sunpro_c=yes
563 NON_GNU_CPP=/usr/ccs/lib/cpp
566 ## Watch out for a compiler that we know will not work.
567 case "${canonical}" in
568 *-solaris* | *-sunos5* )
569 if [ "x$CC" = x/usr/ucb/cc ]; then
570 ## /usr/ucb/cc doesn't work;
571 ## we should find some other compiler that does work.
579 ## Intel 386 machines where we don't care about the manufacturer.
582 case "${canonical}" in
583 *-cygwin ) opsys=cygwin ;;
584 *-darwin* ) opsys=darwin
585 CPP="${CC-cc} -E -no-cpp-precomp"
587 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
588 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
589 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
590 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
599 ### If the code above didn't choose an operating system, just choose
600 ### an operating system based on the configuration name. You really
601 ### only want to use this when you have no idea what the right
602 ### operating system is; if you know what operating systems a machine
603 ### runs, it's cleaner to make it explicit in the case statement
605 if test x"${opsys}" = x; then
606 case "${canonical}" in
607 *-gnu* ) opsys=gnu ;;
617 if test $unported = yes; then
618 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
619 Check `etc/MACHINES' for recognized configuration names.])
622 if test -n "$machine"; then
623 machfile="m/${machine}.h"
627 opsysfile="s/${opsys}.h"
630 #### Choose a compiler.
631 test -n "$CC" && cc_specified=yes
633 # Save the value of CFLAGS that the user specified.
634 SPECIFIED_CFLAGS="$CFLAGS"
636 dnl Sets GCC=yes if using gcc.
640 # Initialize gnulib right after verifying that the C compiler works.
643 # On Suns, sometimes $CPP names a directory.
644 if test -n "$CPP" && test -d "$CPP"; then
648 ## If not using gcc, and on Solaris, and no CPP specified, see if
649 ## using a Sun compiler, which needs -Xs to prevent whitespace.
650 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
651 test x"$CPP" = x; then
652 AC_MSG_CHECKING([whether we are using a Sun C compiler])
653 AC_CACHE_VAL(emacs_cv_sunpro_c,
654 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
658 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
659 AC_MSG_RESULT($emacs_cv_sunpro_c)
661 if test x"$emacs_cv_sunpro_c" = xyes; then
662 NON_GNU_CPP="$CC -E -Xs"
666 #### Some systems specify a CPP to use unless we are using GCC.
667 #### Now that we know whether we are using GCC, we can decide whether
668 #### to use that one.
669 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
674 #### Some systems specify a CC to use unless we are using GCC.
675 #### Now that we know whether we are using GCC, we can decide whether
676 #### to use that one.
677 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
678 test x$cc_specified != xyes
683 if test x$GCC = xyes; then
684 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
686 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
689 ### Use -Wdeclaration-after-statement if the compiler supports it
690 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
691 SAVE_CFLAGS="$CFLAGS"
692 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
693 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
694 if test $has_option = yes; then
695 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
697 AC_MSG_RESULT($has_option)
698 CFLAGS="$SAVE_CFLAGS"
702 ### Use -Wold-style-definition if the compiler supports it
703 # This can be removed when conversion to standard C is finished.
704 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
705 SAVE_CFLAGS="$CFLAGS"
706 CFLAGS="$CFLAGS -Wold-style-definition"
707 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
708 if test $has_option = yes; then
709 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
711 AC_MSG_RESULT($has_option)
712 CFLAGS="$SAVE_CFLAGS"
716 ### Use -Wimplicit-function-declaration if the compiler supports it
717 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
718 SAVE_CFLAGS="$CFLAGS"
719 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
720 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
721 if test $has_option = yes; then
722 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
724 AC_MSG_RESULT($has_option)
725 CFLAGS="$SAVE_CFLAGS"
729 AC_SUBST(C_WARNINGS_SWITCH)
732 #### Some other nice autoconf tests.
734 dnl checks for programs
737 if test "x$RANLIB" = x; then
741 ## Although we're running on an amd64 kernel, we're actually compiling for
742 ## the x86 architecture. The user should probably have provided an
743 ## explicit --build to `configure', but if everything else than the kernel
744 ## is running in i386 mode, we can help them out.
745 if test "$machine" = "amdx86-64"; then
746 AC_CHECK_DECL([i386])
747 if test "$ac_cv_have_decl_i386" = "yes"; then
748 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
750 machfile="m/${machine}.h"
754 AC_PATH_PROG(INSTALL_INFO, install-info)
755 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
756 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
757 dnl Don't use GZIP, which is used by gzip for additional parameters.
758 AC_PATH_PROG(GZIP_PROG, gzip)
761 ## Need makeinfo >= 4.6 (?) to build the manuals.
762 AC_PATH_PROG(MAKEINFO, makeinfo, no)
763 dnl By this stage, configure has already checked for egrep and set EGREP,
764 dnl or exited with an error if no egrep was found.
765 if test "$MAKEINFO" != "no" && \
766 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
770 ## Makeinfo is unusual. For a released Emacs, the manuals are
771 ## pre-built, and not deleted by the normal clean rules. makeinfo is
772 ## therefore in the category of "special tools" not normally required, which
773 ## configure does not have to check for (eg autoconf itself).
774 ## In a Bazaar checkout on the other hand, the manuals are not included.
775 ## So makeinfo is a requirement to build from Bazaar, and configure
776 ## should test for it as it does for any other build requirement.
777 ## We use the presence of $srcdir/info/emacs to distinguish a release,
778 ## with pre-built manuals, from a Bazaar checkout.
781 if test "$MAKEINFO" = "no"; then
783 if test "x${with_makeinfo}" = "xno"; then
785 elif test ! -e $srcdir/info/emacs; then
786 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
787 source tree does not seem to have pre-built manuals in the `info' directory.
788 Either install a suitable version of makeinfo, or re-run configure
789 with the `--without-makeinfo' option to build without the manuals.] )
792 AC_SUBST(HAVE_MAKEINFO)
794 dnl Add our options to ac_link now, after it is set up.
796 if test x$GCC = xyes; then
797 test "x$GCC_LINK_TEST_OPTIONS" != x && \
798 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
800 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
801 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
804 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
805 dnl If we can link with the flag, it shouldn't do any harm anyhow.
806 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
807 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
808 dnl if not built to support GNU ld.
810 late_LDFLAGS=$LDFLAGS
811 if test x$GCC = xyes; then
812 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
814 LDFLAGS="$LDFLAGS -znocombreloc"
817 AC_MSG_CHECKING([for -znocombreloc])
818 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
819 [AC_MSG_RESULT(yes)],
820 LDFLAGS=$late_LDFLAGS
824 # The value of CPP is a quoted variable reference, so we need to do this
825 # to get its actual value...
826 CPP=`eval "echo $CPP"`
829 dnl The function dump-emacs will not be defined and temacs will do
830 dnl (load "loadup") automatically unless told otherwise.
831 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
833 your-opsys-here) CANNOT_DUMP=yes ;;
836 test "$CANNOT_DUMP" = "yes" && \
837 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
839 AC_SUBST(CANNOT_DUMP)
844 # MSDOS uses unexcoff.o
845 # MSWindows uses unexw32.o
853 UNEXEC_OBJ=unexmacosx.o
856 UNEXEC_OBJ=unexhp9k800.o
859 # Use the Solaris dldump() function, called from unexsol.c, to dump
860 # emacs, instead of the generic ELF dump code found in unexelf.c.
861 # The resulting binary has a complete symbol table, and is better
862 # for debugging and other observability tools (debuggers, pstack, etc).
864 # If you encounter a problem using dldump(), please consider sending
865 # a message to the OpenSolaris tools-linking mailing list:
866 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
868 # It is likely that dldump() works with older Solaris too, but this has
869 # not been tested, so for now this change is for Solaris 10 or newer.
877 ## Let `ld' find image libs and similar things in /usr/local/lib.
878 ## The system compiler, GCC, has apparently been modified to not
879 ## look there, contrary to what a stock GCC would do.
880 LD_SWITCH_SYSTEM=-L/usr/local/lib
884 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
885 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
889 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
893 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
894 ## otherwise Emacs dumps core on elf systems.
895 LD_SWITCH_SYSTEM="-Z"
898 AC_SUBST(LD_SWITCH_SYSTEM)
900 ac_link="$ac_link $LD_SWITCH_SYSTEM"
902 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
903 ## which has not been defined yet. When this was handled with cpp,
904 ## it was expanded to null when configure sourced the s/*.h file.
905 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
906 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
907 ## (or somesuch), but because it is supposed to go at the _front_
908 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
909 ## Compare with the gnu-linux case below, which added to the end
910 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
911 ## LD_SWITCH_SYSTEM_TEMACS.
914 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
915 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
920 if test "$machine" = "alpha"; then
921 AC_CHECK_DECL([__ELF__])
922 if test "$ac_cv_have_decl___ELF__" = "yes"; then
923 ## With ELF, make sure that all common symbols get allocated to in the
924 ## data section. Otherwise, the dump of temacs may miss variables in
925 ## the shared library that have been initialized. For example, with
926 ## GNU libc, __malloc_initialized would normally be resolved to the
927 ## shared library's .bss section, which is fatal.
928 if test "x$GCC" = "xyes"; then
929 C_SWITCH_MACHINE="-fno-common"
931 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
934 UNEXEC_OBJ=unexalpha.o
937 AC_SUBST(C_SWITCH_MACHINE)
942 ## Some programs in src produce warnings saying certain subprograms
943 ## are too complex and need a MAXMEM value greater than 2000 for
944 ## additional optimization. --nils@exp-math.uni-essen.de
945 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
946 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
947 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
948 ## It is redundant in glibc2, since we define _GNU_SOURCE.
949 AC_SUBST(C_SWITCH_SYSTEM)
954 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
955 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
957 freebsd) LIBS_SYSTEM="-lutil" ;;
959 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
961 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
963 ## Motif needs -lgen.
964 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
966 AC_SUBST(LIBS_SYSTEM)
969 ### Make sure subsequent tests use flags consistent with the build flags.
971 if test x"${OVERRIDE_CPPFLAGS}" != x; then
972 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
974 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
977 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
978 AC_DEFUN([AC_TYPE_SIZE_T])
979 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
980 AC_DEFUN([AC_TYPE_UID_T])
982 dnl Do this early because it can frob feature test macros for Unix-98 &c.
990 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
994 START_FILES='pre-crt0.o'
997 ## Adding -lm confuses the dynamic linker, so omit it.
999 START_FILES='pre-crt0.o'
1002 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1003 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1005 gnu-linux | gnu-kfreebsd )
1006 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1007 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1009 hpux10-20 | hpux11 )
1011 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1013 dnl NB this may be adjusted below.
1015 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1016 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1021 AC_SUBST(START_FILES)
1023 dnl Not all platforms use crtn.o files. Check if the current one does.
1026 for file in x $LIB_STANDARD $START_FILES; do
1028 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1032 if test "x$crt_files" != x; then
1034 ## If user specified a crt-dir, use that unconditionally.
1037 if test "X$CRT_DIR" = "X"; then
1039 CRT_DIR=/usr/lib # default
1041 case "$canonical" in
1042 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1043 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1044 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1045 ## For anything else (eg /usr/lib32), it is up the user to specify
1046 ## the location (bug#5655).
1047 ## Test for crtn.o, not just the directory, because sometimes the
1048 ## directory exists but does not have the relevant files (bug#1287).
1049 ## FIXME better to test for binary compatibility somehow.
1050 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1053 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1057 hpux10-20) CRT_DIR=/lib ;;
1060 test "x${GCC}" = xyes && crt_gcc=yes
1066 for file in $crt_files; do
1068 ## If we're using gcc, try to determine it automatically by asking
1069 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1070 ## system-dependent default from above.]
1071 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1073 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1076 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1081 dnl We expect all the files to be in a single directory, so after the
1082 dnl first there is no point asking gcc.
1085 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1088 test "x$crt_missing" = x || \
1089 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1090 Try using the --with-crt-dir option.])
1092 fi # crt_files != ""
1098 if test -f $CRT_DIR/crti.o; then
1100 test -f $CRT_DIR/crtn.o || \
1101 AC_MSG_ERROR([Required file not found: crtn.o])
1103 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1104 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1110 dnl This function definition taken from Gnome 2.0
1111 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1112 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1113 dnl also defines GSTUFF_PKG_ERRORS on error
1114 AC_DEFUN([PKG_CHECK_MODULES], [
1117 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1119 if test "$PKG_CONFIG" = "no" ; then
1120 ifelse([$4], , [AC_MSG_ERROR([
1121 *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1123 PKG_CONFIG_MIN_VERSION=0.9.0
1124 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1125 AC_MSG_CHECKING(for $2)
1127 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1131 AC_MSG_CHECKING($1_CFLAGS)
1132 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1133 AC_MSG_RESULT($$1_CFLAGS)
1135 AC_MSG_CHECKING($1_LIBS)
1136 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1137 AC_MSG_RESULT($$1_LIBS)
1142 ## If we have a custom action on failure, don't print errors, but
1143 ## do set a variable so people can do so.
1144 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1145 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1151 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1152 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1156 if test $succeeded = yes; then
1157 ifelse([$3], , :, [$3])
1159 ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1164 if test "${with_sound}" != "no"; then
1165 # Sound support for GNU/Linux and the free BSDs.
1166 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1167 have_sound_header=yes)
1168 # Emulation library used on NetBSD.
1169 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1173 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1174 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1175 if test $HAVE_ALSA = yes; then
1176 SAVE_CFLAGS="$CFLAGS"
1178 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1179 LIBS="$ALSA_LIBS $LIBS"
1180 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1181 emacs_alsa_normal=yes,
1182 emacs_alsa_normal=no)
1183 if test "$emacs_alsa_normal" != yes; then
1184 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1185 [[snd_lib_error_set_handler (0);]])],
1186 emacs_alsa_subdir=yes,
1187 emacs_alsa_subdir=no)
1188 if test "$emacs_alsa_subdir" != yes; then
1189 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1191 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1194 CFLAGS="$SAVE_CFLAGS"
1196 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1197 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1198 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1201 dnl Define HAVE_SOUND if we have sound support. We know it works and
1202 dnl compiles only on the specified platforms. For others, it
1203 dnl probably doesn't make sense to try.
1204 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1206 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1207 gnu-linux|freebsd|netbsd)
1208 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1213 AC_SUBST(CFLAGS_SOUND)
1216 dnl checks for header files
1217 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1218 linux/version.h sys/systeminfo.h \
1219 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1220 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1221 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1223 AC_MSG_CHECKING(if personality LINUX32 can be set)
1224 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1225 emacs_cv_personality_linux32=yes,
1226 emacs_cv_personality_linux32=no)
1227 AC_MSG_RESULT($emacs_cv_personality_linux32)
1229 if test $emacs_cv_personality_linux32 = yes; then
1230 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1231 [Define to 1 if personality LINUX32 can be set.])
1234 dnl On Solaris 8 there's a compilation warning for term.h because
1235 dnl it doesn't define `bool'.
1236 AC_CHECK_HEADERS(term.h, , , -)
1238 AC_CHECK_DECLS([sys_siglist])
1239 if test $ac_cv_have_decl_sys_siglist != yes; then
1240 # For Tru64, at least:
1241 AC_CHECK_DECLS([__sys_siglist])
1242 if test $ac_cv_have_decl___sys_siglist = yes; then
1243 AC_DEFINE(sys_siglist, __sys_siglist,
1244 [Define to any substitute for sys_siglist.])
1249 dnl Some systems have utime.h but don't declare the struct anyplace.
1250 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1251 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1252 #include <sys/time.h>
1255 #ifdef HAVE_SYS_TIME_H
1256 #include <sys/time.h>
1263 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1264 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1265 if test $emacs_cv_struct_utimbuf = yes; then
1266 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1269 dnl Check for speed_t typedef.
1270 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1271 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1272 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1273 if test $emacs_cv_speed_t = yes; then
1274 AC_DEFINE(HAVE_SPEED_T, 1,
1275 [Define to 1 if `speed_t' is declared by <termios.h>.])
1278 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1279 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1280 #include <sys/time.h>
1283 #ifdef HAVE_SYS_TIME_H
1284 #include <sys/time.h>
1288 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1289 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1290 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1291 if test $emacs_cv_struct_timeval = yes; then
1292 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1295 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1296 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1297 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1298 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1299 HAVE_EXCEPTION=$emacs_cv_struct_exception
1300 if test $emacs_cv_struct_exception != yes; then
1301 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1304 AC_CHECK_HEADERS(sys/socket.h)
1305 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1306 #if HAVE_SYS_SOCKET_H
1307 #include <sys/socket.h>
1309 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1310 #if HAVE_SYS_SOCKET_H
1311 #include <sys/socket.h>
1313 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1314 #if HAVE_SYS_SOCKET_H
1315 #include <sys/socket.h>
1317 AC_CHECK_FUNCS(getifaddrs freeifaddrs)
1319 dnl checks for structure members
1320 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1321 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1322 struct ifreq.ifr_addr,
1323 struct ifreq.ifr_addr.sa_len], , ,
1324 [AC_INCLUDES_DEFAULT
1325 #if HAVE_SYS_SOCKET_H
1326 #include <sys/socket.h>
1332 dnl checks for compiler characteristics
1334 dnl Testing __STDC__ to determine prototype support isn't good enough.
1335 dnl DEC C, for instance, doesn't define it with default options, and
1336 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1341 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1342 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1343 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1344 if test $emacs_cv_void_star = yes; then
1345 AC_DEFINE(POINTER_TYPE, void)
1347 AC_DEFINE(POINTER_TYPE, char)
1349 AH_TEMPLATE(POINTER_TYPE,
1350 [Define as `void' if your compiler accepts `void *'; otherwise
1351 define as `char'.])dnl
1353 dnl Check for endianness.
1356 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1357 [emacs_cv_attribute_aligned],
1360 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1362 [emacs_cv_attribute_aligned=yes],
1363 [emacs_cv_attribute_aligned=no])])
1364 if test $emacs_cv_attribute_aligned = yes; then
1365 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1366 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1369 dnl check for Make feature
1375 dnl check for GNU Make if we have GCC and autodepend is on.
1376 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1377 AC_MSG_CHECKING([whether we are using GNU Make])
1379 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1380 if test "x$testval" != x; then
1383 ac_enable_autodepend=no
1385 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1386 if test $HAVE_GNU_MAKE = yes; then
1387 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1388 SAVE_CFLAGS="$CFLAGS"
1389 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1390 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1391 CFLAGS="$SAVE_CFLAGS"
1392 test -f deps.d || ac_enable_autodepend=no
1394 AC_MSG_RESULT([$ac_enable_autodepend])
1396 if test $ac_enable_autodepend = yes; then
1397 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1398 ## In parallel builds, another make might create depdir between
1399 ## the first test and mkdir, so stick another test on the end.
1400 ## Or use install-sh -d? mkdir -p is not portable.
1401 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1402 deps_frag=autodeps.mk
1405 deps_frag=$srcdir/src/$deps_frag
1408 AC_SUBST_FILE(deps_frag)
1411 lisp_frag=$srcdir/src/lisp.mk
1412 AC_SUBST_FILE(lisp_frag)
1415 dnl checks for operating system services
1416 AC_SYS_LONG_FILE_NAMES
1418 #### Choose a window system.
1421 if test "$no_x" = yes; then
1427 ## Workaround for bug in autoconf <= 2.62.
1428 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1429 ## No need to do anything special for these standard directories.
1430 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1432 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1436 LD_SWITCH_X_SITE_AUX=
1437 LD_SWITCH_X_SITE_AUX_RPATH=
1438 if test "${x_libraries}" != NONE; then
1439 if test -n "${x_libraries}"; then
1440 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1441 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1442 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1444 x_default_search_path=""
1445 x_search_path=${x_libraries}
1446 if test -z "${x_search_path}"; then
1447 x_search_path=/usr/lib
1449 for x_library in `echo ${x_search_path}: | \
1450 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1452 ${x_library}/X11/%L/%T/%N%C%S:\
1453 ${x_library}/X11/%l/%T/%N%C%S:\
1454 ${x_library}/X11/%T/%N%C%S:\
1455 ${x_library}/X11/%L/%T/%N%S:\
1456 ${x_library}/X11/%l/%T/%N%S:\
1457 ${x_library}/X11/%T/%N%S"
1458 if test x"${x_default_search_path}" = x; then
1459 x_default_search_path=${x_search_path}
1461 x_default_search_path="${x_search_path}:${x_default_search_path}"
1465 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1466 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1468 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1469 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1472 if test x"${x_includes}" = x; then
1473 bitmapdir=/usr/include/X11/bitmaps
1475 # accumulate include directories that have X11 bitmap subdirectories
1477 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1478 if test -d "${bmd}/X11/bitmaps"; then
1479 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1481 if test -d "${bmd}/bitmaps"; then
1482 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1485 if test ${bmd_acc} != "dummyval"; then
1486 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1493 tmp_CPPFLAGS="$CPPFLAGS"
1494 tmp_CFLAGS="$CFLAGS"
1495 CPPFLAGS="$CPPFLAGS -x objective-c"
1496 CFLAGS="$CFLAGS -x objective-c"
1497 TEMACS_LDFLAGS2="\${LDFLAGS}"
1499 dnl I don't think it's especially important, but src/Makefile.in
1500 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1501 dnl trailing "/" to it, so now we do it here.
1502 if test "${with_ns}" != no; then
1503 if test "${opsys}" = darwin; then
1505 ns_appdir=`pwd`/nextstep/Emacs.app
1506 ns_appbindir=${ns_appdir}/Contents/MacOS/
1507 ns_appresdir=${ns_appdir}/Contents/Resources
1508 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1509 elif test -f $GNUSTEP_CONFIG_FILE; then
1511 ns_appdir=`pwd`/nextstep/Emacs.app
1512 ns_appbindir=${ns_appdir}/
1513 ns_appresdir=${ns_appdir}/Resources
1514 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1515 dnl FIXME sourcing this several times in subshells seems inefficient.
1516 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1517 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1518 dnl I seemed to need these as well with GNUstep-startup 0.25.
1519 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1520 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1521 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1522 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1523 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1524 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1525 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1526 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1527 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1531 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1532 dnl If they had chosen to either define it or not, we could have
1533 dnl just used AC_CHECK_DECL here.
1534 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1535 emacs_cv_objc_exceptions,
1536 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1537 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1541 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1542 if test $emacs_cv_objc_exceptions = yes; then
1543 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1544 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1545 [Define if GNUstep uses ObjC exceptions.])
1546 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1550 dnl This is only used while we test the NS headers, it gets reset below.
1551 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1553 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1554 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1555 files are missing or cannot be compiled.])])
1556 NS_HAVE_NSINTEGER=yes
1557 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1559 ns_have_nsinteger=yes,
1560 ns_have_nsinteger=no)
1561 if test $ns_have_nsinteger = no; then
1562 NS_HAVE_NSINTEGER=no
1565 AC_SUBST(TEMACS_LDFLAGS2)
1570 if test "${HAVE_NS}" = yes; then
1571 window_system=nextstep
1573 # set up packaging dirs
1574 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1575 prefix=${ns_appresdir}
1576 exec_prefix=${ns_appbindir}
1577 libexecdir=${ns_appbindir}/libexec
1579 ns_frag=$srcdir/src/ns.mk
1580 NS_OBJ="fontset.o fringe.o image.o"
1581 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1583 CFLAGS="$tmp_CFLAGS"
1584 CPPFLAGS="$tmp_CPPFLAGS"
1586 AC_SUBST(NS_OBJC_OBJ)
1587 AC_SUBST(LIB_STANDARD)
1588 AC_SUBST_FILE(ns_frag)
1590 case "${window_system}" in
1594 case "${with_x_toolkit}" in
1595 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1596 motif ) USE_X_TOOLKIT=MOTIF ;;
1598 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1599 dnl USE_X_TOOLKIT is set.
1600 USE_X_TOOLKIT=none ;;
1601 gtk3 ) with_gtk3=yes
1602 USE_X_TOOLKIT=none ;;
1603 no ) USE_X_TOOLKIT=none ;;
1604 dnl If user did not say whether to use a toolkit, make this decision later:
1605 dnl use the toolkit if we have gtk, or X11R5 or newer.
1606 * ) USE_X_TOOLKIT=maybe ;;
1616 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1617 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1618 if test "$HAVE_XSERVER" = true ||
1619 test -n "$DISPLAY" ||
1620 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1621 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1622 were found. You should install the relevant development files for X
1623 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1624 sure you have development files for image handling, i.e.
1625 tiff, gif, jpeg, png and xpm.
1626 If you are sure you want Emacs compiled without X window support, pass
1632 ### If we're using X11, we should use the X menu package.
1635 yes ) HAVE_MENUS=yes ;;
1638 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1639 # Assume not, until told otherwise.
1642 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1643 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1644 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1645 emacs_cv_var___after_morecore_hook,
1646 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1647 emacs_cv_var___after_morecore_hook=yes,
1648 emacs_cv_var___after_morecore_hook=no)])
1649 if test $emacs_cv_var___after_morecore_hook = no; then
1654 dnl See comments in aix4-2.h about maybe using system malloc there.
1657 ## darwin ld insists on the use of malloc routines in the System framework.
1658 darwin|sol2-10) system_malloc=yes ;;
1661 if test "${system_malloc}" = "yes"; then
1662 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1665 (The GNU allocators don't work with this system configuration.)"
1669 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1670 VMLIMIT_OBJ=vm-limit.o
1672 AC_SUBST(GMALLOC_OBJ)
1673 AC_SUBST(VMLIMIT_OBJ)
1675 if test "$doug_lea_malloc" = "yes" ; then
1676 if test "$GNU_MALLOC" = yes ; then
1678 (Using Doug Lea's new malloc from the GNU C Library.)"
1680 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1681 [Define to 1 if you are using the GNU C Library.])
1683 ## Use mmap directly for allocating larger buffers.
1684 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1685 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1686 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1688 gnu*) REL_ALLOC=no ;;
1692 if test x"${REL_ALLOC}" = x; then
1693 REL_ALLOC=${GNU_MALLOC}
1696 use_mmap_for_buffers=no
1698 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1702 if test $use_mmap_for_buffers = yes; then
1703 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1707 LIBS="$LIBS_SYSTEM $LIBS"
1709 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1710 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1711 AC_CHECK_LIB(dnet, dnet_ntoa)
1712 dnl This causes -lresolv to get used in subsequent tests,
1713 dnl which causes failures on some systems such as HPUX 9.
1714 dnl AC_CHECK_LIB(resolv, gethostbyname)
1716 dnl FIXME replace main with a function we actually want from this library.
1717 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1719 dnl Check if pthreads is available.
1721 AC_CHECK_HEADERS(pthread.h)
1722 if test "$ac_cv_header_pthread_h"; then
1723 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1724 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1725 dnl testing for pthread_self if Emacs uses gmalloc.c.
1726 if test "$GMALLOC_OBJ" = gmalloc.o; then
1727 emacs_pthread_function=pthread_atfork
1729 emacs_pthread_function=pthread_self
1731 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1733 if test "$HAVE_PTHREAD" = yes; then
1734 case "${canonical}" in
1736 *) LIB_PTHREAD="-lpthread"
1737 LIBS="$LIB_PTHREAD $LIBS" ;;
1739 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1741 AC_SUBST([LIB_PTHREAD])
1743 AC_CHECK_LIB(pthreads, cma_open)
1745 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1746 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1747 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1748 ## added to LIBS in configure would never contain the pthreads part,
1749 ## but the value used in Makefiles might. FIXME?
1751 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1752 ## be harmless on older versions of X where it happens to exist.
1753 test "$opsys" = "aix4-2" && \
1754 test $ac_cv_lib_pthreads_cma_open = yes && \
1755 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1757 dnl Check for need for bigtoc support on IBM AIX
1761 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1763 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1764 *) gdb_cv_bigtoc=-bbigtoc ;;
1767 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1768 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1773 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1774 # used for the tests that follow. We set them back to REAL_CFLAGS and
1775 # REAL_CPPFLAGS later on.
1777 REAL_CFLAGS="$CFLAGS"
1778 REAL_CPPFLAGS="$CPPFLAGS"
1780 if test "${HAVE_X11}" = "yes"; then
1781 DEFS="$C_SWITCH_X_SITE $DEFS"
1782 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1784 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1785 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1787 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1788 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1789 # but it's more convenient here to set LD_RUN_PATH
1790 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1791 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1792 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1796 if test "${opsys}" = "gnu-linux"; then
1797 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1798 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1799 [[XOpenDisplay ("foo");]])],
1800 [xgnu_linux_first_failure=no],
1801 [xgnu_linux_first_failure=yes])
1802 if test "${xgnu_linux_first_failure}" = "yes"; then
1803 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1804 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1805 OLD_CPPFLAGS="$CPPFLAGS"
1807 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1808 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1809 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1810 LIBS="$LIBS -b i486-linuxaout"
1811 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1812 [[XOpenDisplay ("foo");]])],
1813 [xgnu_linux_second_failure=no],
1814 [xgnu_linux_second_failure=yes])
1815 if test "${xgnu_linux_second_failure}" = "yes"; then
1816 # If we get the same failure with -b, there is no use adding -b.
1817 # So take it out. This plays safe.
1818 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1819 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1820 CPPFLAGS="$OLD_CPPFLAGS"
1831 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1832 # header files included from there.
1833 AC_MSG_CHECKING(for Xkb)
1834 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1835 #include <X11/XKBlib.h>]],
1836 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1837 emacs_xkb=yes, emacs_xkb=no)
1838 AC_MSG_RESULT($emacs_xkb)
1839 if test $emacs_xkb = yes; then
1840 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1843 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1844 XScreenNumberOfScreen XSetWMProtocols)
1847 if test "${window_system}" = "x11"; then
1848 AC_MSG_CHECKING(X11 version 6)
1849 AC_CACHE_VAL(emacs_cv_x11_version_6,
1850 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1851 [[#if XlibSpecificationRelease < 6
1854 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1855 if test $emacs_cv_x11_version_6 = yes; then
1856 AC_MSG_RESULT(6 or newer)
1857 AC_DEFINE(HAVE_X11R6, 1,
1858 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1859 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1860 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1864 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1865 [Define if you have usable X11R6-style XIM support.])
1869 AC_MSG_RESULT(before 6)
1874 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1876 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
1877 if test "${with_rsvg}" != "no"; then
1878 RSVG_REQUIRED=2.11.0
1879 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1881 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1882 AC_SUBST(RSVG_CFLAGS)
1885 if test $HAVE_RSVG = yes; then
1886 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1887 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1888 LIBS="$RSVG_LIBS $LIBS"
1894 if test "${HAVE_X11}" = "yes"; then
1895 if test "${with_imagemagick}" != "no"; then
1896 ## 6.2.8 is the earliest version known to work, but earlier versions
1897 ## might work - let us know if you find one.
1898 ## 6.0.7 does not work. See bug#7955.
1899 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1900 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1901 AC_SUBST(IMAGEMAGICK_CFLAGS)
1902 AC_SUBST(IMAGEMAGICK_LIBS)
1904 if test $HAVE_IMAGEMAGICK = yes; then
1905 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1906 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1907 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1908 AC_CHECK_FUNCS(MagickExportImagePixels)
1916 if test "${with_gtk3}" = "yes"; then
1919 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1921 dnl Checks for libraries.
1922 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1923 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1924 AC_MSG_ERROR($GTK_PKG_ERRORS)
1926 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1927 GTK_OBJ=emacsgtkfixed.o
1930 if test "$pkg_check_gtk" != "yes"; then
1932 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1935 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1937 dnl Checks for libraries.
1938 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1939 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1940 AC_MSG_ERROR($GTK_PKG_ERRORS)
1945 if test x"$pkg_check_gtk" = xyes; then
1947 AC_SUBST(GTK_CFLAGS)
1949 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1950 CFLAGS="$CFLAGS $GTK_CFLAGS"
1951 LIBS="$GTK_LIBS $LIBS"
1952 dnl Try to compile a simple GTK program.
1954 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1955 if test "${GTK_COMPILES}" != "yes"; then
1956 if test "$USE_X_TOOLKIT" != "maybe"; then
1957 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1961 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1962 GTK_OBJ="gtkutil.o $GTK_OBJ"
1964 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1967 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1968 closing open displays. This is no problem if you just use
1969 one display, but if you use more than one and close one of them
1979 if test "${HAVE_GTK}" = "yes"; then
1981 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1982 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1983 if test "$with_toolkit_scroll_bars" != no; then
1984 with_toolkit_scroll_bars=yes
1987 dnl Check if we have the old file selection dialog declared and
1988 dnl in the link library. In 2.x it may be in the library,
1989 dnl but not declared if deprecated featured has been selected out.
1990 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1991 HAVE_GTK_FILE_SELECTION=no
1992 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1993 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1994 #include <gtk/gtk.h>])
1995 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1996 AC_CHECK_FUNCS(gtk_file_selection_new)
2000 dnl Check for functions introduced in 2.14 and later.
2001 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2002 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2003 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2004 gtk_orientable_set_orientation \
2005 gtk_window_set_has_resize_grip)
2008 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2009 dnl other platforms. Support for higher D-Bus versions than 1.0 is
2010 dnl also not configured.
2013 if test "${with_dbus}" = "yes"; then
2014 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2015 if test "$HAVE_DBUS" = yes; then
2016 LIBS="$LIBS $DBUS_LIBS"
2017 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2018 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
2024 dnl GSettings has been tested under GNU/Linux only.
2026 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2027 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2028 if test "$HAVE_GSETTINGS" = "yes"; then
2029 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2030 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2031 SETTINGS_LIBS="$GSETTINGS_LIBS"
2035 dnl GConf has been tested under GNU/Linux only.
2036 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2038 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2039 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2040 if test "$HAVE_GCONF" = yes; then
2041 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2042 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2043 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2044 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2048 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2049 SAVE_CFLAGS="$CFLAGS"
2051 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2052 LIBS="$SETTINGS_LIBS $LIBS"
2053 AC_CHECK_FUNCS([g_type_init])
2054 CFLAGS="$SAVE_CFLAGS"
2057 AC_SUBST(SETTINGS_CFLAGS)
2058 AC_SUBST(SETTINGS_LIBS)
2061 dnl SELinux is available for GNU/Linux only.
2064 if test "${with_selinux}" = "yes"; then
2065 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2066 if test "$HAVE_LIBSELINUX" = yes; then
2067 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2068 LIBSELINUX_LIBS=-lselinux
2071 AC_SUBST(LIBSELINUX_LIBS)
2074 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2075 if test "${with_gnutls}" = "yes" ; then
2076 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2077 if test "${HAVE_GNUTLS}" = "yes"; then
2078 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2081 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2082 LIBS="$LIBGNUTLS_LIBS $LIBS"
2083 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2085 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2086 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2090 AC_SUBST(LIBGNUTLS_LIBS)
2091 AC_SUBST(LIBGNUTLS_CFLAGS)
2093 dnl Do not put whitespace before the #include statements below.
2094 dnl Older compilers (eg sunos4 cc) choke on it.
2097 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2098 if test "$with_xaw3d" != no; then
2099 AC_MSG_CHECKING(for xaw3d)
2100 AC_CACHE_VAL(emacs_cv_xaw3d,
2101 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2102 #include <X11/Intrinsic.h>
2103 #include <X11/Xaw3d/Simple.h>]],
2105 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2106 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2107 emacs_cv_xaw3d=no)])
2111 if test $emacs_cv_xaw3d = yes; then
2112 AC_MSG_RESULT([yes; using Lucid toolkit])
2116 AC_DEFINE(HAVE_XAW3D, 1,
2117 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2120 AC_MSG_CHECKING(for libXaw)
2121 AC_CACHE_VAL(emacs_cv_xaw,
2122 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2123 #include <X11/Intrinsic.h>
2124 #include <X11/Xaw/Simple.h>]],
2128 if test $emacs_cv_xaw = yes; then
2129 AC_MSG_RESULT([yes; using Lucid toolkit])
2132 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2133 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2135 AC_MSG_ERROR([No X toolkit could be found.
2136 If you are sure you want Emacs compiled without an X toolkit, pass
2138 to configure. Otherwise, install the development libraries for the toolkit
2139 that you want to use (e.g. Gtk+) and re-run configure.])
2144 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2147 if test "${USE_X_TOOLKIT}" != "none"; then
2148 AC_MSG_CHECKING(X11 toolkit version)
2149 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2150 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2151 [[#if XtSpecificationRelease < 6
2154 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2155 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2156 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2157 AC_MSG_RESULT(6 or newer)
2158 AC_DEFINE(HAVE_X11XTR6, 1,
2159 [Define to 1 if you have the X11R6 or newer version of Xt.])
2160 LIBXTR6="-lSM -lICE"
2162 ## Use libw.a along with X11R6 Xt.
2163 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2166 AC_MSG_RESULT(before 6)
2169 dnl If using toolkit, check whether libXmu.a exists.
2170 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2172 if test x$HAVE_X11XTR6 = xyes; then
2173 LIBS="-lXt -lSM -lICE $LIBS"
2177 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2178 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2182 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2183 dnl Why not just test for libxmu in the normal way?
2186 ## These systems don't supply Xmu.
2188 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2193 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2194 if test "${HAVE_X11}" = "yes"; then
2195 if test "${USE_X_TOOLKIT}" != "none"; then
2196 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2201 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2202 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2203 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2204 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2207 Motif version prior to 2.1.
2209 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2210 if test $emacs_cv_motif_version_2_1 = yes; then
2211 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2213 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2214 # We put this in CFLAGS temporarily to precede other -I options
2215 # that might be in CFLAGS temporarily.
2216 # We put this in CPPFLAGS where it precedes the other -I options.
2217 OLD_CPPFLAGS=$CPPFLAGS
2219 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2220 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2221 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2223 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2224 if test $emacs_cv_lesstif = yes; then
2225 # Make sure this -I option remains in CPPFLAGS after it is set
2226 # back to REAL_CPPFLAGS.
2227 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2228 # have those other -I options anyway. Ultimately, having this
2229 # directory ultimately in CPPFLAGS will be enough.
2230 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2231 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2234 CPPFLAGS=$OLD_CPPFLAGS
2237 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2238 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2241 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2242 dnl using Motif or Xaw3d is available, and unless
2243 dnl --with-toolkit-scroll-bars=no was specified.
2245 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2246 [Define to 1 if we should use toolkit scroll bars.])dnl
2247 USE_TOOLKIT_SCROLL_BARS=no
2248 if test "${with_toolkit_scroll_bars}" != "no"; then
2249 if test "${USE_X_TOOLKIT}" != "none"; then
2250 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2251 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2253 USE_TOOLKIT_SCROLL_BARS=yes
2254 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2255 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2256 USE_TOOLKIT_SCROLL_BARS=yes
2258 elif test "${HAVE_GTK}" = "yes"; then
2259 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2260 USE_TOOLKIT_SCROLL_BARS=yes
2261 elif test "${HAVE_NS}" = "yes"; then
2262 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2263 USE_TOOLKIT_SCROLL_BARS=yes
2267 dnl See if XIM is available.
2268 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2269 #include <X11/Xlib.h>
2270 #include <X11/Xresource.h>]],
2271 [[XIMProc callback;]])],
2273 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2276 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2278 if test "${with_xim}" != "no"; then
2279 AC_DEFINE(USE_XIM, 1,
2280 [Define to 1 if we should use XIM, if it is available.])
2284 if test "${HAVE_XIM}" != "no"; then
2286 if test "$GCC" = yes; then
2287 CFLAGS="$CFLAGS --pedantic-errors"
2289 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2290 #include <X11/Xlib.h>
2291 #include <X11/Xresource.h>]],
2297 XPointer *client_data;
2299 /* If we're not using GCC, it's probably not XFree86, and this is
2300 probably right, but we can't use something like --pedantic-errors. */
2301 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2302 char*, XIMProc, XPointer*);
2304 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2306 [emacs_cv_arg6_star=yes])
2307 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2308 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2309 either XPointer or XPointer*.])dnl
2310 if test "$emacs_cv_arg6_star" = yes; then
2311 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2313 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2318 ### Start of font-backend (under any platform) section.
2319 # (nothing here yet -- this is a placeholder)
2320 ### End of font-backend (under any platform) section.
2322 ### Start of font-backend (under X11) section.
2323 if test "${HAVE_X11}" = "yes"; then
2324 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2326 ## Use -lXft if available, unless `--with-xft=no'.
2328 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2331 if test "x${with_xft}" != "xno"; then
2333 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2334 ## Because xftfont.c uses XRenderQueryExtension, we also
2335 ## need to link to -lXrender.
2337 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2338 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2339 OLD_CPPFLAGS="$CPPFLAGS"
2340 OLD_CFLAGS="$CFLAGS"
2342 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2343 CFLAGS="$CFLAGS $XFT_CFLAGS"
2344 XFT_LIBS="-lXrender $XFT_LIBS"
2345 LIBS="$XFT_LIBS $LIBS"
2346 AC_CHECK_HEADER(X11/Xft/Xft.h,
2347 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2349 if test "${HAVE_XFT}" = "yes"; then
2350 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2352 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2354 CPPFLAGS="$OLD_CPPFLAGS"
2355 CFLAGS="$OLD_CFLAGS"
2357 fi # "${HAVE_XFT}" = "yes"
2358 fi # "$HAVE_XFT" != no
2359 fi # "x${with_xft}" != "xno"
2361 ## We used to allow building with FreeType and without Xft.
2362 ## However, the ftx font backend driver is not in good shape.
2363 if test "$HAVE_XFT" != "yes"; then
2364 dnl For the "Does Emacs use" message at the end.
2368 dnl Strict linkers fail with
2369 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2370 dnl if -lfreetype is not specified.
2371 dnl The following is needed to set FREETYPE_LIBS.
2372 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2375 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2379 if test "${HAVE_FREETYPE}" = "yes"; then
2380 AC_DEFINE(HAVE_FREETYPE, 1,
2381 [Define to 1 if using the freetype and fontconfig libraries.])
2382 if test "${with_libotf}" != "no"; then
2383 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2385 if test "$HAVE_LIBOTF" = "yes"; then
2386 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2387 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2388 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2389 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2390 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2391 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2392 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2396 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2397 dnl Does the new font backend require it, or can it work without it?
2401 if test "${HAVE_LIBOTF}" = yes; then
2402 if test "${with_m17n_flt}" != "no"; then
2403 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2404 if test "$HAVE_M17N_FLT" = "yes"; then
2405 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2416 ### End of font-backend (under X11) section.
2418 AC_SUBST(FREETYPE_CFLAGS)
2419 AC_SUBST(FREETYPE_LIBS)
2420 AC_SUBST(FONTCONFIG_CFLAGS)
2421 AC_SUBST(FONTCONFIG_LIBS)
2422 AC_SUBST(LIBOTF_CFLAGS)
2423 AC_SUBST(LIBOTF_LIBS)
2424 AC_SUBST(M17N_FLT_CFLAGS)
2425 AC_SUBST(M17N_FLT_LIBS)
2427 ### Use -lXpm if available, unless `--with-xpm=no'.
2430 if test "${HAVE_X11}" = "yes"; then
2431 if test "${with_xpm}" != "no"; then
2432 AC_CHECK_HEADER(X11/xpm.h,
2433 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2434 if test "${HAVE_XPM}" = "yes"; then
2435 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2436 AC_EGREP_CPP(no_return_alloc_pixels,
2437 [#include "X11/xpm.h"
2438 #ifndef XpmReturnAllocPixels
2439 no_return_alloc_pixels
2441 ], HAVE_XPM=no, HAVE_XPM=yes)
2443 if test "${HAVE_XPM}" = "yes"; then
2451 if test "${HAVE_XPM}" = "yes"; then
2452 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2458 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2461 if test "${HAVE_X11}" = "yes"; then
2462 if test "${with_jpeg}" != "no"; then
2463 dnl Checking for jpeglib.h can lose because of a redefinition of
2465 AC_CHECK_HEADER(jerror.h,
2466 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2469 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2470 if test "${HAVE_JPEG}" = "yes"; then
2471 AC_DEFINE(HAVE_JPEG)
2472 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2473 [#include <jpeglib.h>
2474 version=JPEG_LIB_VERSION
2476 [AC_DEFINE(HAVE_JPEG)],
2477 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2480 if test "${HAVE_JPEG}" = "yes"; then
2486 ### Use -lpng if available, unless `--with-png=no'.
2489 if test "${HAVE_X11}" = "yes"; then
2490 if test "${with_png}" != "no"; then
2491 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2492 # in /usr/include/libpng.
2493 AC_CHECK_HEADERS(png.h libpng/png.h)
2494 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2495 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2499 if test "${HAVE_PNG}" = "yes"; then
2500 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2501 LIBPNG="-lpng -lz -lm"
2506 ### Use -ltiff if available, unless `--with-tiff=no'.
2509 if test "${HAVE_X11}" = "yes"; then
2510 if test "${with_tiff}" != "no"; then
2511 AC_CHECK_HEADER(tiffio.h,
2513 # At least one tiff package requires the jpeg library.
2514 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2515 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2518 if test "${HAVE_TIFF}" = "yes"; then
2519 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2520 dnl FIXME -lz -lm, as per libpng?
2526 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2529 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2530 AC_CHECK_HEADER(gif_lib.h,
2531 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2532 # Earlier versions can crash Emacs.
2533 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2535 if test "$HAVE_GIF" = yes; then
2537 elif test "$HAVE_GIF" = maybe; then
2538 # If gif_lib.h but no libgif, try libungif.
2539 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2540 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2543 if test "${HAVE_GIF}" = "yes"; then
2544 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2549 dnl Check for required libraries.
2550 if test "${HAVE_X11}" = "yes"; then
2553 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2554 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2555 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2556 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2557 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2558 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2559 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2560 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2561 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2562 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2564 if test "X${MISSING}" != X; then
2565 AC_MSG_ERROR([The following required libraries were not found:
2567 Maybe some development libraries/packages are missing?
2568 If you don't want to link with them give
2570 as options to configure])
2574 ### Use -lgpm if available, unless `--with-gpm=no'.
2577 if test "${with_gpm}" != "no"; then
2578 AC_CHECK_HEADER(gpm.h,
2579 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2581 if test "${HAVE_GPM}" = "yes"; then
2582 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2588 dnl Check for malloc/malloc.h on darwin
2589 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.])])
2592 ### Use NeXTstep API to implement GUI.
2593 if test "${HAVE_NS}" = "yes"; then
2594 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2595 if test "${NS_IMPL_COCOA}" = "yes"; then
2596 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2598 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2599 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2600 # See also .m.o rule in Makefile.in */
2601 # FIXME: are all these flags really needed? Document here why. */
2602 dnl FIXME this should be renamed to GNUSTEP_CFLAGS, and only
2603 dnl used in src/Makefile.in.
2604 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2605 ## Extra CFLAGS applied to src/*.m files.
2606 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2608 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2609 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2611 # We also have mouse menus.
2617 ### Use session management (-lSM -lICE) if available
2620 if test "${HAVE_X11}" = "yes"; then
2621 AC_CHECK_HEADER(X11/SM/SMlib.h,
2622 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2624 if test "${HAVE_X_SM}" = "yes"; then
2625 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2629 *) LIBS="$LIBXSM $LIBS" ;;
2635 ### Use libxml (-lxml2) if available
2637 if test "${with_xml2}" != "no"; then
2638 ### I'm not sure what the version number should be, so I just guessed.
2639 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2640 if test "${HAVE_LIBXML2}" = "yes"; then
2641 LIBS="$LIBXML2_LIBS $LIBS"
2642 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2643 if test "${HAVE_LIBXML2}" = "yes"; then
2644 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2651 AC_SUBST(LIBXML2_LIBS)
2652 AC_SUBST(LIBXML2_CFLAGS)
2654 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2655 AC_CACHE_CHECK(whether netdb declares h_errno,
2656 emacs_cv_netdb_declares_h_errno,
2657 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2658 [[return h_errno;]])],
2659 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2660 if test $emacs_cv_netdb_declares_h_errno = yes; then
2661 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2664 # fmod, logb, and frexp are found in -lm on most systems.
2665 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2666 AC_CHECK_LIB(m, sqrt)
2668 # Check for mail-locking functions in a "mail" library. Probably this should
2669 # have the same check as for liblockfile below.
2670 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2671 if test $have_mail = yes; then
2673 LIBS="$LIBS_MAIL $LIBS"
2674 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2678 dnl Debian, at least:
2679 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2680 if test $have_lockfile = yes; then
2681 LIBS_MAIL=-llockfile
2682 LIBS="$LIBS_MAIL $LIBS"
2683 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2685 # If we have the shared liblockfile, assume we must use it for mail
2686 # locking (e.g. Debian). If we couldn't link against liblockfile
2687 # (no liblockfile.a installed), ensure that we don't need to.
2688 dnl This works for files generally, not just executables.
2689 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2690 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2691 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2692 if test $ac_cv_prog_liblockfile = yes; then
2693 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2694 This probably means that movemail could lose mail.
2695 There may be a `development' package to install containing liblockfile.])
2698 AC_CHECK_FUNCS(touchlock)
2699 AC_CHECK_HEADERS(maillock.h)
2702 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2703 ## interlock access to the mail spool. The alternative is a lock file named
2704 ## /usr/spool/mail/$USER.lock.
2707 aix4-2) mail_lock="lockf" ;;
2709 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2711 ## On GNU/Linux systems, both methods are used by various mail programs.
2712 ## I assume most people are using newer mailers that have heard of flock.
2713 ## Change this if you need to.
2714 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2715 ## configure gets the right answers, and that means *NOT* using flock.
2716 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2717 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2718 ## Debian maintainer hasn't provided a clean fix for Emacs.
2719 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2720 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2721 ## correct logic. -- fx
2722 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2723 ## liblockfile is a Free Software replacement for libmail, used on
2724 ## Debian systems and elsewhere. -rfr.
2727 if test $have_mail = yes || test $have_lockfile = yes; then
2728 test $ac_cv_header_maillock_h = yes && mail_lock=no
2734 case "$mail_lock" in
2735 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2737 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2739 *) BLESSMAIL_TARGET="need-blessmail" ;;
2741 AC_SUBST(BLESSMAIL_TARGET)
2744 AC_CHECK_FUNCS(gethostname getdomainname \
2745 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2746 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2747 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2748 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2749 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm \
2750 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2751 gai_strerror mkstemp getline getdelim mremap fsync sync \
2752 difftime mempcpy mblen mbrlen posix_memalign \
2753 cfmakeraw cfsetspeed copysign __executable_start)
2755 dnl Cannot use AC_CHECK_FUNCS
2756 AC_CACHE_CHECK([for __builtin_unwind_init],
2757 emacs_cv_func___builtin_unwind_init,
2758 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2759 emacs_cv_func___builtin_unwind_init=yes,
2760 emacs_cv_func___builtin_unwind_init=no)])
2761 if test $emacs_cv_func___builtin_unwind_init = yes; then
2762 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2763 [Define to 1 if you have the `__builtin_unwind_init' function.])
2766 AC_CHECK_HEADERS(sys/un.h)
2773 AC_CHECK_FUNCS(grantpt)
2775 # PTY-related GNU extensions.
2776 AC_CHECK_FUNCS(getpt)
2778 # Check this now, so that we will NOT find the above functions in ncurses.
2779 # That is because we have not set up to link ncurses in lib-src.
2780 # It's better to believe a function is not available
2781 # than to expect to find it in ncurses.
2782 # Also we need tputs and friends to be able to build at all.
2783 have_tputs_et_al=true
2784 # Maybe curses should be tried earlier?
2785 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
2786 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap curses], , have_tputs_et_al=false)
2787 if test "$have_tputs_et_al" != true; then
2788 AC_MSG_ERROR([The required function `tputs' was not found in any library.
2789 These libraries were tried: libncurses, libterminfo, libtermcap, libcurses.
2790 Please try installing whichever of these libraries is most appropriate
2791 for your system, together with its header files.
2792 For example, a libncurses-dev(el) or similar package.])
2794 # Must define this when any termcap library is found.
2795 AC_DEFINE(HAVE_LIBNCURSES, 1,
2796 [Define to 1 if you have the `ncurses' library (-lncurses).])
2797 ## FIXME This was the cpp logic, but I am not sure it is right.
2798 ## The above test has not necessarily found libncurses.
2801 ## Use terminfo instead of termcap?
2802 ## Note only system files NOT using terminfo are:
2803 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2804 ## darwin|gnu without ncurses.
2808 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2809 ## hpux10-20: Use the system provided termcap(3) library.
2810 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2811 ## is necessary. Otherwise Emacs dumps core when run -nw.
2812 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2814 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2815 ## The ncurses library has been moved out of the System framework in
2816 ## Mac OS X 10.2. So if configure detects it, set the command-line
2817 ## option to use it.
2819 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2820 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2822 LIBS_TERMCAP="-lncurses"
2827 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2828 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2829 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2830 [[#if __FreeBSD_version < 400000
2833 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2835 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2837 if test $emacs_cv_freebsd_terminfo = yes; then
2839 LIBS_TERMCAP="-lncurses"
2841 LIBS_TERMCAP="-ltermcap"
2846 if test $ac_cv_search_tputs = -lterminfo; then
2848 LIBS_TERMCAP="-lterminfo"
2850 LIBS_TERMCAP="-ltermcap"
2857 ## hpux: Make sure we get select from libc rather than from libcurses
2858 ## because libcurses on HPUX 10.10 has a broken version of select.
2859 ## We used to use -lc -lcurses, but this may be cleaner.
2860 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2862 openbsd) LIBS_TERMCAP="-lncurses" ;;
2864 ## Must use system termcap, if we use any termcap. It does special things.
2865 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2868 TERMCAP_OBJ=tparam.o
2869 if test $TERMINFO = yes; then
2870 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2872 ## Default used to be -ltermcap. Add a case above if need something else.
2873 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2875 TERMCAP_OBJ=terminfo.o
2877 AC_SUBST(LIBS_TERMCAP)
2878 AC_SUBST(TERMCAP_OBJ)
2881 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2883 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2884 #include <arpa/nameser.h>
2885 #include <resolv.h>]],
2886 [[return res_init();]])],
2887 have_res_init=yes, have_res_init=no)
2888 if test "$have_res_init" = no; then
2890 LIBS="$LIBS -lresolv"
2891 AC_MSG_CHECKING(for res_init with -lresolv)
2892 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2893 #include <arpa/nameser.h>
2894 #include <resolv.h>]],
2895 [[return res_init();]])],
2896 have_res_init=yes, have_res_init=no)
2897 AC_MSG_RESULT($have_res_init)
2898 if test "$have_res_init" = yes ; then
2904 if test "$have_res_init" = yes; then
2905 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2908 # Do we need the Hesiod library to provide the support routines?
2910 if test "$with_hesiod" != no ; then
2911 # Don't set $LIBS here -- see comments above. FIXME which comments?
2912 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2913 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2914 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2915 if test "$resolv" = yes ; then
2920 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2921 hesiod=yes, :, $RESOLVLIB)])
2923 if test x"$hesiod" = xyes; then
2924 AC_DEFINE(HAVE_LIBHESIOD, 1,
2925 [Define to 1 if you have the hesiod library (-lhesiod).])
2931 # Do we need libresolv (due to res_init or Hesiod)?
2932 if test "$resolv" = yes ; then
2933 AC_DEFINE(HAVE_LIBRESOLV, 1,
2934 [Define to 1 if you have the resolv library (-lresolv).])
2941 # These tell us which Kerberos-related libraries to use.
2948 if test "${with_kerberos}" != no; then
2949 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2950 if test $have_com_err = yes; then
2951 COM_ERRLIB=-lcom_err
2952 LIBS="$COM_ERRLIB $LIBS"
2953 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2955 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2956 if test $have_crypto = yes; then
2958 LIBS="$CRYPTOLIB $LIBS"
2959 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2961 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2962 if test $have_k5crypto = yes; then
2963 CRYPTOLIB=-lk5crypto
2964 LIBS="$CRYPTOLIB $LIBS"
2965 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2967 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2968 if test $have_krb5=yes; then
2970 LIBS="$KRB5LIB $LIBS"
2971 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2973 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2974 if test "${with_kerberos5}" = no; then
2975 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2976 if test $have_des425 = yes; then
2978 LIBS="$DESLIB $LIBS"
2979 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2981 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2982 if test $have_des = yes; then
2984 LIBS="$DESLIB $LIBS"
2985 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2988 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2989 if test $have_krb4 = yes; then
2991 LIBS="$KRB4LIB $LIBS"
2992 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2994 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2995 if test $have_krb = yes; then
2997 LIBS="$KRB4LIB $LIBS"
2998 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3003 if test "${with_kerberos5}" != no; then
3004 AC_CHECK_HEADERS(krb5.h,
3005 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3006 [#include <krb5.h>])])
3008 AC_CHECK_HEADERS(des.h,,
3009 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3010 [AC_CHECK_HEADERS(kerberos/des.h)])])
3011 AC_CHECK_HEADERS(krb.h,,
3012 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3013 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3015 AC_CHECK_HEADERS(com_err.h)
3018 AC_SUBST(COM_ERRLIB)
3024 AC_MSG_CHECKING(whether localtime caches TZ)
3025 AC_CACHE_VAL(emacs_cv_localtime_cache,
3026 [if test x$ac_cv_func_tzset = xyes; then
3027 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3028 char TZ_GMT0[] = "TZ=GMT0";
3029 char TZ_PST8[] = "TZ=PST8";
3032 time_t now = time ((time_t *) 0);
3033 int hour_GMT0, hour_unset;
3034 if (putenv (TZ_GMT0) != 0)
3036 hour_GMT0 = localtime (&now)->tm_hour;
3038 hour_unset = localtime (&now)->tm_hour;
3039 if (putenv (TZ_PST8) != 0)
3041 if (localtime (&now)->tm_hour == hour_GMT0)
3044 if (localtime (&now)->tm_hour != hour_unset)
3047 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3048 [# If we have tzset, assume the worst when cross-compiling.
3049 emacs_cv_localtime_cache=yes])
3051 # If we lack tzset, report that localtime does not cache TZ,
3052 # since we can't invalidate the cache if we don't have tzset.
3053 emacs_cv_localtime_cache=no
3055 AC_MSG_RESULT($emacs_cv_localtime_cache)
3056 if test $emacs_cv_localtime_cache = yes; then
3057 AC_DEFINE(LOCALTIME_CACHE, 1,
3058 [Define to 1 if localtime caches TZ.])
3061 if test "x$HAVE_TIMEVAL" = xyes; then
3062 AC_CHECK_FUNCS(gettimeofday)
3063 if test $ac_cv_func_gettimeofday = yes; then
3064 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
3065 emacs_cv_gettimeofday_two_arguments,
3066 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3067 #ifdef TIME_WITH_SYS_TIME
3068 #include <sys/time.h>
3071 #ifdef HAVE_SYS_TIME_H
3072 #include <sys/time.h>
3077 [[struct timeval time;
3078 gettimeofday (&time, 0);]])],
3079 emacs_cv_gettimeofday_two_arguments=yes,
3080 emacs_cv_gettimeofday_two_arguments=no)])
3081 if test $emacs_cv_gettimeofday_two_arguments = no; then
3082 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3083 [Define to 1 if gettimeofday accepts only one argument.])
3089 AC_CHECK_FUNC(socket, , ok_so_far=no)
3090 if test $ok_so_far = yes; then
3091 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3093 if test $ok_so_far = yes; then
3094 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3096 if test $ok_so_far = yes; then
3097 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3098 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3099 [Define to 1 if you have inet sockets.])
3102 if test -f /usr/lpp/X11/bin/smt.exp; then
3103 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3104 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3107 AC_MSG_CHECKING(whether system supports dynamic ptys)
3108 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3110 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3117 AC_CHECK_FUNCS(snprintf)
3119 dnl Adapted from Haible's version.
3120 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3121 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3122 [[char* cs = nl_langinfo(CODESET);]])],
3123 emacs_cv_langinfo_codeset=yes,
3124 emacs_cv_langinfo_codeset=no)
3126 if test $emacs_cv_langinfo_codeset = yes; then
3127 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3128 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3133 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3134 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3135 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3136 if test "$emacs_cv_c_restrict_arr" = yes; then
3137 AC_DEFINE(__restrict_arr, __restrict,
3138 [Define to compiler's equivalent of C99 restrict keyword in array
3139 declarations. Define as empty for no equivalent.])
3142 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3143 dnl how the tty code is related to POSIX and/or other versions of termios.
3144 dnl The following looks like a useful start.
3146 dnl AC_SYS_POSIX_TERMIOS
3147 dnl if test $ac_cv_sys_posix_termios = yes; then
3148 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3149 dnl and macros for terminal control.])
3150 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3153 # Set up the CFLAGS for real compilation, so we can substitute it.
3154 CFLAGS="$REAL_CFLAGS"
3155 CPPFLAGS="$REAL_CPPFLAGS"
3157 ## Hack to detect a buggy GCC version.
3158 if test "x$GCC" = xyes \
3159 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3160 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3161 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3162 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3165 version=$PACKAGE_VERSION
3167 ### Specify what sort of things we'll be editing into Makefile and config.h.
3168 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3170 AC_SUBST(configuration)
3175 AC_SUBST(exec_prefix)
3178 AC_SUBST(sharedstatedir)
3179 AC_SUBST(libexecdir)
3183 AC_SUBST(locallisppath)
3185 AC_SUBST(x_default_search_path)
3187 AC_SUBST(archlibdir)
3192 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3193 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3194 ## end of LIBX_BASE, but nothing ever set it.
3195 AC_SUBST(LD_SWITCH_X_SITE)
3196 AC_SUBST(C_SWITCH_X_SITE)
3197 AC_SUBST(C_SWITCH_X_SYSTEM)
3199 ## Used in lwlib/Makefile.in.
3200 AC_SUBST(X_TOOLKIT_TYPE)
3201 if test -n "${machfile}"; then
3202 M_FILE="\$(srcdir)/${machfile}"
3206 S_FILE="\$(srcdir)/${opsysfile}"
3210 AC_SUBST(ns_appbindir)
3211 AC_SUBST(ns_appresdir)
3213 AC_SUBST(GNU_OBJC_CFLAGS)
3214 AC_SUBST(OTHER_FILES)
3216 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3217 [Define to the canonical Emacs configuration name.])
3218 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3219 [Define to the options passed to configure.])
3220 if test -n "$machfile"; then
3221 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3222 [Define to the used machine dependent file.])
3224 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3225 [Define to the used os dependent file.])
3230 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3231 AC_DEFINE(HAVE_X_WINDOWS, 1,
3232 [Define to 1 if you want to use the X window system.])
3234 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3236 if test "$HAVE_XFT" = "yes"; then
3237 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3238 elif test "$HAVE_FREETYPE" = "yes"; then
3239 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3249 if test "${USE_X_TOOLKIT}" != "none" ; then
3251 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3252 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3253 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3254 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3255 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3259 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3260 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3264 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3265 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3266 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3270 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3271 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3274 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3277 AC_SUBST(WIDGET_OBJ)
3280 case "$USE_X_TOOLKIT" in
3281 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3282 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3283 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3285 AC_SUBST(TOOLKIT_LIBW)
3287 if test "$USE_X_TOOLKIT" = "none"; then
3288 LIBXT_OTHER="\$(LIBXSM)"
3289 OLDXMENU_TARGET="really-oldXMenu"
3291 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3292 OLDXMENU_TARGET="really-lwlib"
3294 AC_SUBST(LIBXT_OTHER)
3296 ## The X Menu stuff is present in the X10 distribution, but missing
3297 ## from X11. If we have X10, just use the installed library;
3298 ## otherwise, use our own copy.
3299 if test "${HAVE_X11}" = "yes" ; then
3300 AC_DEFINE(HAVE_X11, 1,
3301 [Define to 1 if you want to use version 11 of X windows.
3302 Otherwise, Emacs expects to use version 10.])
3304 if test "$USE_X_TOOLKIT" = "none"; then
3305 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3307 OLDXMENU="\${lwlibdir}/liblw.a"
3309 LIBXMENU="\$(OLDXMENU)"
3310 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3311 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3313 ## For a syntactically valid Makefile; not actually used for anything.
3314 ## See comments in src/Makefile.in.
3316 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3317 if test "${HAVE_X_WINDOWS}" = "yes"; then
3326 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3333 AC_SUBST(OLDXMENU_TARGET)
3336 AC_SUBST(LIBX_OTHER)
3337 AC_SUBST(OLDXMENU_DEPS)
3339 if test "${HAVE_MENUS}" = "yes" ; then
3340 AC_DEFINE(HAVE_MENUS, 1,
3341 [Define to 1 if you have mouse menus.
3342 (This is automatic if you use X, but the option to specify it remains.)
3343 It is also defined with other window systems that support xmenu.c.])
3346 if test "${GNU_MALLOC}" = "yes" ; then
3347 AC_DEFINE(GNU_MALLOC, 1,
3348 [Define to 1 if you want to use the GNU memory allocator.])
3352 if test "${REL_ALLOC}" = "yes" ; then
3353 AC_DEFINE(REL_ALLOC, 1,
3354 [Define REL_ALLOC if you want to use the relocating allocator for
3357 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3359 AC_SUBST(RALLOC_OBJ)
3361 if test "$opsys" = "cygwin"; then
3362 CYGWIN_OBJ="sheap.o"
3363 ## Cygwin differs because of its unexec().
3365 POST_ALLOC_OBJ=lastfile.o
3368 PRE_ALLOC_OBJ=lastfile.o
3371 AC_SUBST(CYGWIN_OBJ)
3372 AC_SUBST(PRE_ALLOC_OBJ)
3373 AC_SUBST(POST_ALLOC_OBJ)
3375 # Configure gnulib here, now that we know LIBS.
3376 gl_ASSERT_NO_GNULIB_POSIXCHECK
3377 gl_ASSERT_NO_GNULIB_TESTS
3381 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3384 ## The -headerpad option tells ld (see man page) to leave room at the
3385 ## end of the header for adding load commands. Needed for dumping.
3386 ## 0x690 is the total size of 30 segment load commands (at 56
3387 ## each); under Cocoa 31 commands are required.
3388 if test "$HAVE_NS" = "yes"; then
3389 libs_nsgui="-framework AppKit"
3395 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3397 ## This is here because src/Makefile.in did some extra fiddling around
3398 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3399 ## #ifndef LD_SWITCH_SYSTEM
3400 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3401 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3402 ## not using gcc, darwin system not on an alpha (ie darwin, since
3403 ## darwin + alpha does not occur).
3404 ## Because this was done in src/Makefile.in, the resulting part of
3405 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3406 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3407 ## rather than LD_SWITCH_SYSTEM.
3408 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3409 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3412 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3413 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3414 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3415 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3416 ## had different values in configure (in ac_link) and src/Makefile.in.
3417 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3418 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3420 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3423 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3424 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3427 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3433 ## gnu: GNU needs its own crt0.
3434 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3436 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3437 ## library search parth, i.e. it won't search /usr/lib for libc and
3438 ## friends. Using -nostartfiles instead avoids this problem, and
3439 ## will also work on earlier NetBSD releases.
3440 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3442 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3443 ## MkLinux/LinuxPPC needs this.
3444 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3447 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3453 if test "x$ORDINARY_LINK" = "xyes"; then
3456 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3458 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3459 ## freebsd, gnu-* not on macppc|ibms390x.
3460 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3462 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3463 ## places that are difficult to figure out at make time. Fortunately,
3464 ## these same versions allow you to pass arbitrary flags on to the
3465 ## linker, so there is no reason not to use it as a linker.
3467 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3468 ## searching for libraries in its internal directories, so we have to
3469 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3470 LD_FIRSTFLAG="-nostdlib"
3473 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3474 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3476 AC_SUBST(LD_FIRSTFLAG)
3479 ## FIXME? The logic here is not precisely the same as that above.
3480 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3481 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3483 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3486 freebsd|netbsd|openbsd) LIB_GCC= ;;
3489 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3490 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3496 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3497 ## immediately undefine it again and redefine it to empty.
3498 ## Was the C_SWITCH_X_SITE part really necessary?
3499 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3505 ## Ask GCC where to find libgcc.a.
3506 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3512 ## If we're using X11/GNUstep, define some consequences.
3513 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3514 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3515 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3519 AH_TOP([/* GNU Emacs site configuration template file.
3521 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
3522 Free Software Foundation, Inc.
3524 This file is part of GNU Emacs.
3526 GNU Emacs is free software: you can redistribute it and/or modify
3527 it under the terms of the GNU General Public License as published by
3528 the Free Software Foundation, either version 3 of the License, or
3529 (at your option) any later version.
3531 GNU Emacs is distributed in the hope that it will be useful,
3532 but WITHOUT ANY WARRANTY; without even the implied warranty of
3533 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3534 GNU General Public License for more details.
3536 You should have received a copy of the GNU General Public License
3537 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3540 /* No code in Emacs #includes config.h twice, but some bits of code
3541 intended to work with other packages as well (like gmalloc.c)
3542 think they can include it as many times as they like. */
3543 #ifndef EMACS_CONFIG_H
3544 #define EMACS_CONFIG_H
3548 /* On AIX 3 this must be included before any other include file. */
3551 # error "alloca not available on this machine"
3554 /* Define AMPERSAND_FULL_NAME if you use the convention
3555 that & in the full name stands for the login id. */
3556 /* Turned on June 1996 supposing nobody will mind it. */
3557 #define AMPERSAND_FULL_NAME
3559 /* `subprocesses' should be defined if you want to
3560 have code for asynchronous subprocesses
3561 (as used in M-x compile and M-x shell).
3562 Only MSDOS does not support this (it overrides
3563 this in its config_opsysfile below). */
3565 #define subprocesses
3567 /* Include the os and machine dependent files. */
3568 #include config_opsysfile
3569 #ifdef config_machfile
3570 # include config_machfile
3573 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3574 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3575 (There is probably a better place to do this, but right now the
3576 Cocoa side does this in s/darwin.h and we cannot parallel this
3577 exactly since GNUstep is multi-OS. */
3578 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3579 # define SYSTEM_PURESIZE_EXTRA 30000
3582 #ifdef emacs /* Don't do this for lib-src. */
3583 /* Tell regex.c to use a type compatible with Emacs. */
3584 #define RE_TRANSLATE_TYPE Lisp_Object
3585 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3587 /* If make_number is a macro, use it. */
3588 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3590 /* If make_number is a function, avoid it. */
3591 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3595 /* These default definitions are good for almost all machines.
3596 Any exceptions should override them in m/MACHINE.h.
3597 They must be usable in preprocessor conditionals. */
3599 #ifndef BITS_PER_CHAR
3600 #define BITS_PER_CHAR 8
3603 #ifndef BITS_PER_SHORT
3604 #define BITS_PER_SHORT 16
3607 #ifndef BITS_PER_INT
3608 #define BITS_PER_INT 32
3611 #ifndef BITS_PER_LONG
3613 #define BITS_PER_LONG 64
3615 #define BITS_PER_LONG 32
3619 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3620 #define BITS_PER_LONG_LONG 64
3623 /* Define if the compiler supports function prototypes. It may do so but
3624 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3630 #if defined __GNUC__ && (__GNUC__ > 2 \
3631 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3632 #define NO_RETURN __attribute__ ((__noreturn__))
3634 #define NO_RETURN /* nothing */
3637 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3638 #define NO_INLINE __attribute__((noinline))
3643 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3644 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3646 #define EXTERNALLY_VISIBLE
3649 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3650 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3652 # define ATTRIBUTE_FORMAT(spec) /* empty */
3655 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3656 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3657 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3659 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3660 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3663 /* Some versions of GNU/Linux define noinline in their headers. */
3668 /* These won't be used automatically yet. We also need to know, at least,
3669 that the stack is continuous. */
3671 # ifndef GC_SETJMP_WORKS
3672 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3673 # define GC_SETJMP_WORKS 1
3677 #endif /* EMACS_CONFIG_H */
3686 #### Report on what we decided to do.
3687 #### Report GTK as a toolkit, even if it doesn't use Xt.
3688 #### It makes printing result more understandable as using GTK sets
3689 #### toolkit_scroll_bars to yes by default.
3690 if test "${HAVE_GTK}" = "yes"; then
3695 if test -n "$machfile"; then
3696 and_machfile=" and \`${machfile}'"
3700 Configured for \`${canonical}'.
3702 Where should the build process find the source code? ${srcdir}
3703 What operating system and machine description files should Emacs use?
3704 \`${opsysfile}'${and_machfile}
3705 What compiler should emacs be built with? ${CC} ${CFLAGS}
3706 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3707 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3708 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3709 What window system should Emacs use? ${window_system}
3710 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3712 if test -n "${x_includes}"; then
3713 echo " Where do we find X Windows header files? ${x_includes}"
3715 echo " Where do we find X Windows header files? Standard dirs"
3717 if test -n "${x_libraries}"; then
3718 echo " Where do we find X Windows libraries? ${x_libraries}"
3720 echo " Where do we find X Windows libraries? Standard dirs"
3723 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3724 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3725 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3726 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3727 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3728 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3729 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3730 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3732 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3733 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3734 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3735 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
3736 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3737 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3738 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3740 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3741 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3742 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3743 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3745 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3748 if test -n "${EMACSDATA}"; then
3749 echo " Environment variable EMACSDATA set to: $EMACSDATA"
3751 if test -n "${EMACSDOC}"; then
3752 echo " Environment variable EMACSDOC set to: $EMACSDOC"
3755 if test $USE_XASSERTS = yes; then
3756 echo " Compiling with asserts turned on."
3757 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3762 if test "$HAVE_NS" = "yes"; then
3764 echo "You must run \"${MAKE-make} install\" in order to test the built application.
3765 The installed application will go to nextstep/Emacs.app and can be
3766 run or moved from there."
3767 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3768 echo "The application will be fully self-contained."
3770 echo "The lisp resources for the application will be installed under ${prefix}.
3771 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
3772 to run if these resources are not installed."
3778 # Remove any trailing slashes in these variables.
3779 [test "${prefix}" != NONE &&
3780 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3781 test "${exec_prefix}" != NONE &&
3782 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3784 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
3785 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
3786 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
3787 dnl (else you get "no `Makefile.am' found for any configure output").
3788 dnl This will work, but you get a config.status that is not quite right
3789 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
3790 dnl That doesn't have any obvious consequences for Emacs, but on the whole
3791 dnl it seems better to just live with the duplication.
3792 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"
3794 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3795 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3796 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
3799 dnl test/ is not present in release tarfiles.
3800 opt_makefile=test/automated/Makefile
3802 if test -f $srcdir/${opt_makefile}.in; then
3803 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
3804 dnl Again, it's best not to use a variable. Though you can add
3805 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
3806 AC_CONFIG_FILES([test/automated/Makefile])
3809 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
3811 AC_SUBST(SUBDIR_MAKEFILES_IN)
3813 dnl Make the necessary directories, if they don't exist.
3814 AC_CONFIG_COMMANDS([mkdirs], [
3815 for dir in etc lisp ; do
3816 test -d ${dir} || mkdir ${dir}
3820 dnl You might wonder (I did) why epaths.h is generated by running make,
3821 dnl rather than just letting configure generate it from epaths.in.
3822 dnl One reason is that the various paths are not fully expanded (see above);
3823 dnl eg gamedir=${prefix}/var/games/emacs.
3824 dnl Secondly, the GNU Coding standards require that one should be able
3825 dnl to run `make prefix=/some/where/else' and override the values set
3826 dnl by configure. This also explains the `move-if-change' test and
3827 dnl the use of force in the `epaths-force' rule in Makefile.in.
3828 AC_CONFIG_COMMANDS([epaths], [
3829 echo creating src/epaths.h
3830 ${MAKE-make} epaths-force
3831 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3833 AC_CONFIG_COMMANDS([gdbinit], [
3834 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3835 echo creating src/.gdbinit
3836 echo source $srcdir/src/.gdbinit > src/.gdbinit
3842 dnl configure.in ends here