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, 1999-2014 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 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 24.4.50, bug-gnu-emacs@gnu.org)
28 dnl We get MINGW64 with MSYS2
29 if test "x$MSYSTEM" = "xMINGW32" -o "x$MSYSTEM" = "xMINGW64"
31 . $srcdir/nt/mingw-cfg.site
35 # srcdir is an absolute path. In this case, force the format
36 # "/c/foo/bar", to simplify later conversions to native Windows
37 # format ("c:/foo/bar")
38 srcdir=`cd "${srcdir}" && pwd -W`
39 srcdir="/${srcdir:0:1}${srcdir:2}"
44 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
45 dnl and then quoted again for a C string. Separate options with spaces.
46 dnl Add some environment variables, if they were passed via the environment
47 dnl rather than on the command-line.
50 dnl This is the documented way to record the args passed to configure,
51 dnl rather than $ac_configure_args.
52 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
54 -n | --no-create | --no-recursion)
56 CFLAGS | CPPFLAGS | LDFLAGS)
57 eval 'test "${'$opt'+set}" = set' || continue
59 *" $opt="*) continue ;;
61 eval opt=$opt=\$$opt ;;
64 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
66 *[["$emacs_shell_specials"]]*)
69 emacs_quote_apostrophes="s/'/'\\\\''/g"
70 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
75 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
76 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
79 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
83 AC_CONFIG_HEADERS(src/config.h:src/config.in)
84 AC_CONFIG_SRCDIR(src/lisp.h)
85 AC_CONFIG_AUX_DIR(build-aux)
86 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
87 dnl With older versions this is a no-op.
88 AC_CONFIG_MACRO_DIR(m4)
91 AC_CHECK_PROGS(XCRUN, [xcrun])
92 if test -n "$XCRUN"; then
93 if test -z "$MAKE"; then
94 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
95 dnl SET_MAKE and with the usual MAKE variable that 'make' itself uses.
96 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
97 if test -z "$MAKE_PROG"; then
100 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
105 dnl Fairly arbitrary, older versions might work too.
106 AM_INIT_AUTOMAKE(1.11)
108 dnl Support for --program-prefix, --program-suffix and
109 dnl --program-transform-name options
112 dnl It is important that variables on the RHS not be expanded here,
113 dnl hence the single quotes. This is per the GNU coding standards, see
114 dnl (autoconf) Installation Directory Variables
115 dnl See also epaths.h below.
116 lispdir='${datadir}/emacs/${version}/lisp'
117 standardlisppath='${lispdir}'
118 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
119 '${datadir}/emacs/site-lisp'
120 lisppath='${locallisppath}:${standardlisppath}'
121 etcdir='${datadir}/emacs/${version}/etc'
122 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
123 etcdocdir='${datadir}/emacs/${version}/etc'
124 gamedir='${localstatedir}/games/emacs'
126 dnl Special option to disable the most of other options.
128 [AS_HELP_STRING([--without-all],
129 [omit almost all features and build
130 small executable with minimal dependencies])],
131 [with_features=$withval],
134 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
135 dnl Create a new --with option that defaults to being disabled.
136 dnl NAME is the base name of the option. The shell variable with_NAME
137 dnl will be set to either the user's value (if the option is
138 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
139 dnl option is not specified). Note that the shell variable name is
140 dnl constructed as autoconf does, by replacing non-alphanumeric
141 dnl characters with "_".
142 dnl HELP-STRING is the help text for the option.
143 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
144 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
145 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
148 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
149 dnl Create a new --with option that defaults to $with_features.
150 dnl NAME is the base name of the option. The shell variable with_NAME
151 dnl will be set either to 'no' (for a plain --without-NAME) or to
152 dnl 'yes' (if the option is not specified). Note that the shell
153 dnl variable name is constructed as autoconf does, by replacing
154 dnl non-alphanumeric characters with "_".
155 dnl HELP-STRING is the help text for the option.
156 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
157 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
158 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
161 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
162 if test "$with_pop" = yes; then
163 AC_DEFINE(MAIL_USE_POP)
165 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
167 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
168 if test "$with_kerberos" != no; then
171 AH_TEMPLATE(KERBEROS,
172 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
174 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
175 if test "${with_kerberos5}" != no; then
176 if test "${with_kerberos}" = no; then
180 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
183 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
184 dnl FIXME hesiod support may not be present, so it seems like an error
185 dnl to define, or at least use, this unconditionally.
186 if test "$with_hesiod" != no; then
187 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
190 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
191 if test "$with_mmdf" != no; then
192 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
195 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
196 if test "$with_mail_unlink" != no; then
197 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
200 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
201 [string giving default POP mail host])],
202 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
204 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
205 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
206 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
207 [ case "${withval}" in
208 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
209 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
210 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
215 [with_sound=$with_features])
217 dnl FIXME currently it is not the last.
218 dnl This should be the last --with option, because --with-x is
219 dnl added later on when we find the file name of X, and it's best to
220 dnl keep them together visually.
221 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
222 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
223 [ case "${withval}" in
224 y | ye | yes ) val=gtk ;;
226 l | lu | luc | luci | lucid ) val=lucid ;;
227 a | at | ath | athe | athen | athena ) val=athena ;;
228 m | mo | mot | moti | motif ) val=motif ;;
229 g | gt | gtk ) val=gtk ;;
233 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
234 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
235 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
236 `athena' and `lucid' are synonyms.])
242 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
243 if test "$with_wide_int" = yes; then
244 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
247 dnl _ON results in a '--without' option in the --help output, so
248 dnl the help text should refer to "don't compile", etc.
249 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
250 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
251 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
252 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
253 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
254 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
255 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
256 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
258 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
259 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
260 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
262 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
263 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
264 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
265 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
266 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
268 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
269 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
270 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
271 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
272 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
273 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
274 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
276 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
277 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
278 [ case "${withval}" in
279 y | ye | yes ) val=yes ;;
281 g | gf | gfi | gfil | gfile ) val=gfile ;;
282 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
283 w | w3 | w32 ) val=w32 ;;
284 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
285 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
286 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
287 otherwise for the first of `gfile' or `inotify' that is usable.])
290 with_file_notification=$val
292 [with_file_notification=$with_features])
294 ## For the times when you want to build Emacs but don't have
295 ## a suitable makeinfo, and can live without the manuals.
296 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
297 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
299 ## This might be a 'configure' arg.
300 AC_SUBST([ACLOCAL_PATH])
302 ## Makefile.in needs the cache file name.
305 ## This is an option because I do not know if all info/man support
306 ## compressed files, nor how to test if they do so.
307 OPTION_DEFAULT_ON([compress-install],
308 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
309 make GZIP_PROG= install])
311 AC_ARG_WITH(gameuser,dnl
312 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
313 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
314 && gameuser="${with_gameuser}"
315 test "X$gameuser" = X && gameuser=games
317 AC_ARG_WITH([gnustep-conf],dnl
318 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
319 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
320 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
321 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
322 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
323 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
325 AC_ARG_ENABLE(ns-self-contained,
326 [AS_HELP_STRING([--disable-ns-self-contained],
327 [disable self contained build under NeXTstep])],
328 EN_NS_SELF_CONTAINED=$enableval,
329 EN_NS_SELF_CONTAINED=yes)
331 AC_ARG_ENABLE(locallisppath,
332 [AS_HELP_STRING([--enable-locallisppath=PATH],
333 [directories Emacs should search for lisp files specific
335 if test "${enableval}" = "no"; then
337 elif test "${enableval}" != "yes"; then
338 locallisppath=${enableval}
341 AC_ARG_ENABLE(checking,
342 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
343 [enable expensive run-time checks. With LIST,
344 enable only specific categories of checks.
345 Categories are: all,yes,no.
346 Flags are: stringbytes, stringoverrun, stringfreelist,
347 xmallocoverrun, conslist, glyphs])],
348 [ac_checking_flags="${enableval}"],[])
349 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
350 for check in $ac_checking_flags
353 # these set all the flags to specific states
354 yes) ac_enable_checking=1 ;;
355 no) ac_enable_checking= ;
356 ac_gc_check_stringbytes= ;
357 ac_gc_check_string_overrun= ;
358 ac_gc_check_string_free_list= ;
359 ac_xmalloc_overrun= ;
360 ac_gc_check_cons_list= ;
362 all) ac_enable_checking=1 ;
363 ac_gc_check_stringbytes=1 ;
364 ac_gc_check_string_overrun=1 ;
365 ac_gc_check_string_free_list=1 ;
366 ac_xmalloc_overrun=1 ;
367 ac_gc_check_cons_list=1 ;
369 # these enable particular checks
370 stringbytes) ac_gc_check_stringbytes=1 ;;
371 stringoverrun) ac_gc_check_string_overrun=1 ;;
372 stringfreelist) ac_gc_check_string_free_list=1 ;;
373 xmallocoverrun) ac_xmalloc_overrun=1 ;;
374 conslist) ac_gc_check_cons_list=1 ;;
375 glyphs) ac_glyphs_debug=1 ;;
376 *) AC_MSG_ERROR(unknown check category $check) ;;
381 if test x$ac_enable_checking != x ; then
382 AC_DEFINE(ENABLE_CHECKING, 1,
383 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
385 if test x$ac_gc_check_stringbytes != x ; then
386 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
387 [Define this temporarily to hunt a bug. If defined, the size of
388 strings is redundantly recorded in sdata structures so that it can
389 be compared to the sizes recorded in Lisp strings.])
391 if test x$ac_gc_check_string_overrun != x ; then
392 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
393 [Define this to check for short string overrun.])
395 if test x$ac_gc_check_string_free_list != x ; then
396 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
397 [Define this to check the string free list.])
399 if test x$ac_xmalloc_overrun != x ; then
400 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
401 [Define this to check for malloc buffer overrun.])
403 if test x$ac_gc_check_cons_list != x ; then
404 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
405 [Define this to check for errors in cons list.])
407 if test x$ac_glyphs_debug != x ; then
408 AC_DEFINE(GLYPH_DEBUG, 1,
409 [Define this to enable glyphs debugging code.])
412 AC_ARG_ENABLE(check-lisp-object-type,
413 [AS_HELP_STRING([--enable-check-lisp-object-type],
414 [enable compile time checks for the Lisp_Object data type.
415 This is useful for development for catching certain types of bugs.])],
416 if test "${enableval}" != "no"; then
417 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
418 [Define this to enable compile time checks for the Lisp_Object data type.])
422 dnl The name of this option is unfortunate. It predates, and has no
423 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
424 dnl Actually, it stops it working.
425 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
426 AC_ARG_ENABLE(profiling,
427 [AS_HELP_STRING([--enable-profiling],
428 [build emacs with low-level, gprof profiling support.
429 Mainly useful for debugging Emacs itself. May not work on
430 all platforms. Stops profiler.el working.])],
431 [ac_enable_profiling="${enableval}"],[])
432 if test x$ac_enable_profiling != x ; then
433 PROFILING_CFLAGS="-DPROFILING=1 -pg"
437 AC_SUBST(PROFILING_CFLAGS)
439 AC_ARG_ENABLE(autodepend,
440 [AS_HELP_STRING([--enable-autodepend],
441 [automatically generate dependencies to .h-files.
442 Requires gcc, enabled if found.])],
443 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
445 AC_ARG_ENABLE(gtk-deprecation-warnings,
446 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
447 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
448 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
450 ### Canonicalize the configuration name.
454 configuration=${host_alias-${build_alias-$host}}
456 dnl This used to use changequote, but, apart from `changequote is evil'
457 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
458 dnl the great gob of text. Thus it's not processed for possible expansion.
459 dnl Just make sure the brackets remain balanced.
461 dnl Since Emacs can't find matching pairs of quotes, boundaries are
462 dnl indicated by comments.
466 ### If you add support for a new configuration, add code to this
467 ### switch statement to recognize your configuration name and select
468 ### the appropriate opsys.
470 ### As far as handling version numbers on operating systems is
471 ### concerned, make sure things will fail in a fixable way. If
472 ### /etc/MACHINES doesn't say anything about version numbers, be
473 ### prepared to handle anything reasonably. If version numbers
474 ### matter, be sure /etc/MACHINES says something about it.
477 case "${canonical}" in
479 ## GNU/Linux and similar ports
494 ## FreeBSD kernel + glibc based userland
505 *-*-openbsd* | *-*-mirbsd* )
509 ## Apple Darwin / Mac OS X
511 case "${canonical}" in
518 ## Use fink packages if available.
519 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
520 ## if test -d /sw/include && test -d /sw/lib; then
521 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
522 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
531 ## HP 9000 series 700 and 800, running HP/UX
535 hppa*-hp-hpux1[1-9]* )
537 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
541 rs6000-ibm-aix4.[23]* )
544 powerpc-ibm-aix4.[23]* )
547 rs6000-ibm-aix[56]* )
550 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
554 ## Silicon Graphics machines
558 # Without defining _LANGUAGE_C, things get masked out in the headers
559 # so that, for instance, grepping for `free' in stdlib.h fails and
560 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
561 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
566 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
567 | x86_64-*-solaris2* | x86_64-*-sunos5*)
568 case "${canonical}" in
570 amd64-*-*|x86_64-*-*) ;;
574 case "${canonical}" in
575 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
577 emacs_check_sunpro_c=yes
579 *-sunos5.6* | *-solaris2.6* )
583 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
585 emacs_check_sunpro_c=yes
588 ## Watch out for a compiler that we know will not work.
589 case "${canonical}" in
590 *-solaris* | *-sunos5* )
591 if [ "x$CC" = x/usr/ucb/cc ]; then
592 ## /usr/ucb/cc doesn't work;
593 ## we should find some other compiler that does work.
601 ## Intel 386 machines where we don't care about the manufacturer.
603 case "${canonical}" in
604 *-darwin* ) opsys=darwin ;;
607 # MinGW overrides and adds some system headers in nt/inc.
608 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
610 *-sysv4.2uw* ) opsys=unixware ;;
611 *-sysv5uw* ) opsys=unixware ;;
612 *-sysv5OpenUNIX* ) opsys=unixware ;;
613 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
619 case "${canonical}" in
622 # MinGW overrides and adds some system headers in nt/inc.
623 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
625 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
634 ### If the code above didn't choose an operating system, just choose
635 ### an operating system based on the configuration name. You really
636 ### only want to use this when you have no idea what the right
637 ### operating system is; if you know what operating systems a machine
638 ### runs, it's cleaner to make it explicit in the case statement
640 if test x"${opsys}" = x; then
641 case "${canonical}" in
642 *-gnu* ) opsys=gnu ;;
652 if test $unported = yes; then
653 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
654 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
655 Check `etc/MACHINES' for recognized configuration names.])
659 AC_MSG_CHECKING([whether we are using GNU Make])
660 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
661 if test "x$testval" != x; then
665 AC_MSG_ERROR([Building Emacs requires GNU make.
666 If you have it installed under another name, configure with 'MAKE=...'.
667 For example, run './configure MAKE=gmake'.])
671 #### Choose a compiler.
673 dnl Don't bother to test for C89.
674 AC_DEFUN([_AC_PROG_CC_C89], [$2])
676 dnl Sets GCC=yes if using gcc.
677 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
678 if test -n "$XCRUN"; then
679 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
680 test -n "$AR" && export AR
683 dnl Emacs needs C99 or later.
688 if test x$GCC = xyes; then
689 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
691 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
694 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
695 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
696 dnl that clash with MinGW.
697 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
699 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
700 AC_DEFUN([gl_CRYPTO_CHECK])
701 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
702 # as we don't use them.
703 AC_DEFUN([gl_FCNTL_O_FLAGS])
704 # Avoid gnulib's threadlib module, as we do threads our own way.
705 AC_DEFUN([gl_THREADLIB])
707 # Initialize gnulib right after choosing the compiler.
708 dnl Amongst other things, this sets AR and ARFLAGS.
711 if test "$ac_test_CFLAGS" != set; then
712 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
713 # if -g3 works and the user does not specify CFLAGS.
714 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
717 emacs_g3_CFLAGS='-g3';;
719 emacs_g3_CFLAGS='-g3 -O2';;
723 if test -n "$emacs_g3_CFLAGS"; then
724 emacs_save_CFLAGS=$CFLAGS
725 CFLAGS=$emacs_g3_CFLAGS
726 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
727 [emacs_cv_prog_cc_g3],
728 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
729 [emacs_cv_prog_cc_g3=yes],
730 [emacs_cv_prog_cc_g3=no])])
731 if test $emacs_cv_prog_cc_g3 != yes; then
732 CFLAGS=$emacs_save_CFLAGS
734 if test $opsys = mingw32; then
735 CFLAGS="$CFLAGS -gdwarf-2"
742 # No optimization flag was inferred for this non-GCC compiler.
743 # Try -O. This is needed for xlc on AIX; see Bug#14258.
744 emacs_save_CFLAGS=$CFLAGS
745 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
747 AC_CACHE_CHECK([whether $CC accepts -O],
748 [emacs_cv_prog_cc_o],
749 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
750 [emacs_cv_prog_cc_o=yes],
751 [emacs_cv_prog_cc_o=no])])
752 if test $emacs_cv_prog_cc_o != yes; then
753 CFLAGS=$emacs_save_CFLAGS
758 AC_ARG_ENABLE([gcc-warnings],
759 [AS_HELP_STRING([--enable-gcc-warnings],
760 [turn on lots of GCC warnings/errors. This is intended for
761 developers, and may generate false alarms when used
762 with older or non-GNU development tools.])],
765 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
767 gl_gcc_warnings=$enableval],
771 # clang is unduly picky about some things.
772 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
779 [emacs_cv_clang=yes],
780 [emacs_cv_clang=no])])
782 # When compiling with GCC, prefer -isystem to -I when including system
783 # include files, to avoid generating useless diagnostics for the files.
784 if test "$gl_gcc_warnings" != yes; then
786 if test "$emacs_cv_clang" = yes
788 # Turn off some warnings if supported.
789 gl_WARN_ADD([-Wno-switch])
790 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
791 gl_WARN_ADD([-Wno-pointer-sign])
796 # This, $nw, is the list of warnings we disable.
799 case $with_x_toolkit in
800 lucid | athena | motif)
801 # Old toolkits mishandle 'const'.
802 nw="$nw -Wwrite-strings"
805 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
808 AC_SUBST([WERROR_CFLAGS])
810 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
811 nw="$nw -Woverlength-strings" # Not a problem these days
812 nw="$nw -Wlogical-op" # any use of fwrite provokes this
813 nw="$nw -Wformat-nonliteral" # we do this a lot
814 nw="$nw -Wvla" # warnings in gettext.h
815 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
816 nw="$nw -Wswitch-default" # Too many warnings for now
817 nw="$nw -Winline" # OK to ignore 'inline'
818 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
819 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
820 # signed overflow has undefined behavior
821 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
822 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
823 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
825 # Emacs doesn't care about shadowing; see
826 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
829 # Emacs's use of alloca inhibits protecting the stack.
830 nw="$nw -Wstack-protector"
832 # The following line should be removable at some point.
833 nw="$nw -Wsuggest-attribute=pure"
835 # This part is merely for shortening the command line,
836 # since -Wno-FOO needs to be added below regardless.
837 nw="$nw -Wmissing-field-initializers"
839 nw="$nw -Wtype-limits"
840 nw="$nw -Wunused-parameter"
842 if test $emacs_cv_clang = yes; then
843 nw="$nw -Wcast-align"
846 gl_MANYWARN_ALL_GCC([ws])
847 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
851 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
852 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
853 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
854 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
855 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
856 gl_WARN_ADD([-Wno-format-nonliteral])
858 # In spite of excluding -Wlogical-op above, it is enabled, as of
859 # gcc 4.5.0 20090517.
860 gl_WARN_ADD([-Wno-logical-op])
862 # More things that clang is unduly picky about.
863 if test $emacs_cv_clang = yes; then
864 gl_WARN_ADD([-Wno-format-extra-args])
865 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
866 gl_WARN_ADD([-Wno-unused-command-line-argument])
867 gl_WARN_ADD([-Wno-unused-value])
870 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
871 AH_VERBATIM([FORTIFY_SOURCE],
872 [/* Enable compile-time and run-time bounds-checking, and some warnings,
873 without upsetting glibc 2.15+. */
874 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
875 # define _FORTIFY_SOURCE 2
878 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
880 # We use a slightly smaller set of warning options for lib/.
881 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
883 nw="$nw -Wunused-macros"
885 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
886 AC_SUBST([GNULIB_WARN_CFLAGS])
896 AC_ARG_ENABLE(link-time-optimization,
897 [AS_HELP_STRING([--enable-link-time-optimization],
898 [build emacs with link-time optimization.
899 This is supported for gcc since 4.5.0 and clang.
900 Note that clang support is experimental - see INSTALL])],
901 if test "${enableval}" != "no"; then
903 if test $emacs_cv_clang = yes; then
904 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
905 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
906 if test -x "$GOLD_PLUGIN"; then
909 elif test x$GCC = xyes; then
910 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
911 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
912 if test x$CPUS != x; then
918 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
920 if test -z "$LTO"; then
924 CFLAGS="$CFLAGS $LTO"
925 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
926 [ac_lto_supported=yes], [ac_lto_supported=no])
929 AC_MSG_RESULT([$ac_lto_supported])
930 if test "$ac_lto_supported" = "yes"; then
931 CFLAGS="$CFLAGS $LTO"
932 if test x$emacs_cv_clang = xyes; then
933 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
934 # WARNING: 'ar --plugin ...' doesn't work without
935 # command, so plugin name is appended to ARFLAGS.
936 ARFLAGS="cru --plugin $GOLD_PLUGIN"
937 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
942 dnl Some other nice autoconf tests.
943 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
946 dnl if test "x$RANLIB" = x; then
951 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
952 dnl can be made to directories. This is not relevant for our usage, and
953 dnl excludes some cases that work fine for us. Eg MS Windows or files
954 dnl hosted on AFS, both examples where simple links work, but links to
955 dnl directories fail. We use a cut-down version instead.
958 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
959 rm -f conf$$ conf$$.file
961 LN_S_FILEONLY='cp -p'
963 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
964 dnl random program in the current directory.
965 if (echo >conf$$.file) 2>/dev/null; then
966 if ln -s conf$$.file conf$$ 2>/dev/null; then
967 if test "$opsys" = "mingw32"; then
968 LN_S_FILEONLY='/bin/ln -s'
970 LN_S_FILEONLY='ln -s'
972 elif ln conf$$.file conf$$ 2>/dev/null; then
973 if test "$opsys" = "mingw32"; then
974 LN_S_FILEONLY=/bin/ln
981 rm -f conf$$ conf$$.file
983 if test "$LN_S_FILEONLY" = "ln -s"; then
986 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
989 AC_SUBST(LN_S_FILEONLY)
992 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
993 dnl doesn't support links to directories, as in "ln file dir". But that
994 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
995 dnl executables at "make install" time.
996 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
997 dnl for more details.
998 if test "$opsys" = "mingw32"; then
1002 dnl On some Debian versions, "install-info" prints irritating messages
1003 dnl "This is not dpkg install-info anymore, but GNU install-info"
1004 dnl if called via an absolute file name.
1005 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1006 dnl Sadly some people may have an old ginstall-info installed on
1007 dnl non-Debian systems, so we can't use this.
1008 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1009 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1011 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1012 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1013 dnl Don't use GZIP, which is used by gzip for additional parameters.
1014 AC_PATH_PROG(GZIP_PROG, gzip)
1016 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1017 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1019 if test $opsys = gnu-linux; then
1020 AC_PATH_PROG(PAXCTL, paxctl,,
1021 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1022 if test "X$PAXCTL" != X; then
1023 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1024 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1025 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1026 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1029 if test "${SETFATTR+set}" != set; then
1030 AC_CACHE_CHECK([for setfattr],
1031 [emacs_cv_prog_setfattr],
1033 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1034 emacs_cv_prog_setfattr=yes
1036 emacs_cv_prog_setfattr=no
1038 if test "$emacs_cv_prog_setfattr" = yes; then
1044 AC_SUBST([SETFATTR])
1048 ## Need makeinfo >= 4.7 (?) to build the manuals.
1049 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1050 dnl By this stage, configure has already checked for egrep and set EGREP,
1051 dnl or exited with an error if no egrep was found.
1052 if test "$MAKEINFO" != "no"; then
1054 $MAKEINFO --version 2> /dev/null |
1055 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1061 ## Makeinfo is unusual. For a released Emacs, the manuals are
1062 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1063 ## therefore in the category of "special tools" not normally required, which
1064 ## configure does not have to check for (eg autoconf itself).
1065 ## In a repository checkout on the other hand, the manuals are not included.
1066 ## So makeinfo is a requirement to build from the repository, and configure
1067 ## should test for it as it does for any other build requirement.
1068 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1069 ## with pre-built manuals, from a repository checkout.
1072 if test "$MAKEINFO" = "no"; then
1074 if test "x${with_makeinfo}" = "xno"; then
1076 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1077 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1078 source tree does not seem to have pre-built manuals in the `info' directory.
1079 Either install a suitable version of makeinfo, or re-run configure
1080 with the `--without-makeinfo' option to build without the manuals.] )
1083 AC_SUBST(HAVE_MAKEINFO)
1085 dnl Just so that there is only a single place we need to edit.
1087 INFO_OPTS=--no-split
1091 if test $opsys = mingw32; then
1092 DOCMISC_W32=efaq-w32
1096 AC_SUBST(DOCMISC_W32)
1098 dnl Add our options to ac_link now, after it is set up.
1100 if test x$GCC = xyes; then
1101 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1102 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1104 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1105 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1108 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1109 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1110 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1111 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1112 dnl if not built to support GNU ld.
1114 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1115 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1116 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1117 dnl Eg "make LDFLAGS=... all" could run into problems,
1118 dnl http://bugs.debian.org/684788
1119 dnl * unnecessary, since temacs is the only thing that actually needs it.
1120 dnl Indeed this is where it was originally, prior to:
1121 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1122 late_LDFLAGS="$LDFLAGS"
1123 if test x$GCC = xyes; then
1124 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1126 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1129 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1131 AC_MSG_CHECKING([for -znocombreloc])
1132 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1133 [AC_MSG_RESULT(yes)],
1134 LDFLAGS_NOCOMBRELOC=
1135 [AC_MSG_RESULT(no)])
1137 LDFLAGS="$late_LDFLAGS"
1139 AC_CACHE_CHECK([whether addresses are sanitized],
1140 [emacs_cv_sanitize_address],
1143 [[#ifndef __has_feature
1144 #define __has_feature(f) 0
1146 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1148 error "Addresses are not sanitized.";
1151 [emacs_cv_sanitize_address=yes],
1152 [emacs_cv_sanitize_address=no])])
1154 dnl The function dump-emacs will not be defined and temacs will do
1155 dnl (load "loadup") automatically unless told otherwise.
1156 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1158 your-opsys-here) CANNOT_DUMP=yes ;;
1161 if test "$CANNOT_DUMP" = "yes"; then
1162 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1163 elif test "$emacs_cv_sanitize_address" = yes; then
1164 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1167 AC_SUBST(CANNOT_DUMP)
1170 UNEXEC_OBJ=unexelf.o
1172 # MSDOS uses unexcoff.o
1174 UNEXEC_OBJ=unexaix.o
1180 UNEXEC_OBJ=unexmacosx.o
1183 UNEXEC_OBJ=unexhp9k800.o
1186 UNEXEC_OBJ=unexw32.o
1189 # Use the Solaris dldump() function, called from unexsol.c, to dump
1190 # emacs, instead of the generic ELF dump code found in unexelf.c.
1191 # The resulting binary has a complete symbol table, and is better
1192 # for debugging and other observability tools (debuggers, pstack, etc).
1194 # If you encounter a problem using dldump(), please consider sending
1195 # a message to the OpenSolaris tools-linking mailing list:
1196 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1198 # It is likely that dldump() works with older Solaris too, but this has
1199 # not been tested, so for now this change is for Solaris 10 or newer.
1200 UNEXEC_OBJ=unexsol.o
1207 ## Let `ld' find image libs and similar things in /usr/local/lib.
1208 ## The system compiler, GCC, has apparently been modified to not
1209 ## look there, contrary to what a stock GCC would do.
1210 ### It's not our place to do this. See bug#10313#17.
1211 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1216 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1217 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1221 ### It's not our place to do this. See bug#10313#17.
1222 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1227 ## Han Boetes <han@boetes.org> says this is necessary,
1228 ## otherwise Emacs dumps core on elf systems.
1229 LD_SWITCH_SYSTEM="-Z"
1232 AC_SUBST(LD_SWITCH_SYSTEM)
1234 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1236 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1237 ## which has not been defined yet. When this was handled with cpp,
1238 ## it was expanded to null when configure sourced the s/*.h file.
1239 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1240 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1241 ## (or somesuch), but because it is supposed to go at the _front_
1242 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1243 ## Compare with the gnu-linux case below, which added to the end
1244 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1245 ## LD_SWITCH_SYSTEM_TEMACS.
1248 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1255 AC_CHECK_DECL([__ELF__])
1256 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1257 ## With ELF, make sure that all common symbols get allocated to in the
1258 ## data section. Otherwise, the dump of temacs may miss variables in
1259 ## the shared library that have been initialized. For example, with
1260 ## GNU libc, __malloc_initialized would normally be resolved to the
1261 ## shared library's .bss section, which is fatal.
1262 if test "x$GCC" = "xyes"; then
1263 C_SWITCH_MACHINE="-fno-common"
1265 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1268 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1269 dnl albeit under the mistaken assumption that said file
1270 dnl was no longer used.
1271 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1275 AC_SUBST(C_SWITCH_MACHINE)
1277 AC_SUBST(UNEXEC_OBJ)
1280 ## Some programs in src produce warnings saying certain subprograms
1281 ## are too complex and need a MAXMEM value greater than 2000 for
1282 ## additional optimization. --nils@exp-math.uni-essen.de
1283 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1284 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1285 if test "$opsys" = "mingw32"; then
1286 case "$canonical" in
1287 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1288 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1291 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1292 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1293 AC_SUBST(C_SWITCH_SYSTEM)
1298 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1299 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1301 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1303 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1305 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1307 ## Motif needs -lgen.
1308 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1311 AC_SUBST(LIBS_SYSTEM)
1313 ### Make sure subsequent tests use flags consistent with the build flags.
1315 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1316 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1318 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1321 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1322 AC_DEFUN([AC_TYPE_SIZE_T])
1323 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1324 AC_DEFUN([AC_TYPE_UID_T])
1326 # sqrt and other floating-point functions such as fmod and frexp
1327 # are found in -lm on many systems.
1329 AC_SEARCH_LIBS([sqrt], [m])
1330 if test "X$LIBS" = "X$OLD_LIBS"; then
1333 LIB_MATH=$ac_cv_search_sqrt
1337 dnl Current possibilities handled by sed (aix4-2 -> aix,
1338 dnl gnu-linux -> gnu/linux, etc.):
1339 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1340 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1341 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1348 ## Adding -lm confuses the dynamic linker, so omit it.
1351 freebsd | dragonfly )
1352 SYSTEM_TYPE=berkeley-unix
1354 gnu-linux | gnu-kfreebsd )
1356 hpux10-20 | hpux11 )
1360 SYSTEM_TYPE=windows-nt
1362 dnl NB this may be adjusted below.
1364 SYSTEM_TYPE=berkeley-unix
1368 SYSTEM_TYPE=usg-unix-v
1374 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1375 [The type of system you are compiling for; sets `system-type'.])
1378 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1379 pre_PKG_CONFIG_LIBS=$LIBS
1381 PKG_PROG_PKG_CONFIG(0.9.0)
1383 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1384 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1385 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1386 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1387 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1388 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1390 AC_DEFUN([EMACS_CHECK_MODULES],
1391 [PKG_CHECK_MODULES([$1], [$2],
1392 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1393 m4_default([$3], [HAVE_$1=yes])],
1394 [m4_default([$4], [HAVE_$1=no])])])
1397 if test "${with_sound}" != "no"; then
1398 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1399 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1400 have_sound_header=yes, [], [
1402 #define WIN32_LEAN_AND_MEAN
1403 #include <windows.h>
1406 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1407 AC_MSG_ERROR([OSS sound support requested but not found.])
1409 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1410 # Emulation library used on NetBSD.
1411 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1412 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1413 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1414 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1415 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1419 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1421 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1422 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1423 if test $HAVE_ALSA = yes; then
1424 SAVE_CFLAGS="$CFLAGS"
1426 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1427 LIBS="$ALSA_LIBS $LIBS"
1428 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1429 emacs_alsa_normal=yes,
1430 emacs_alsa_normal=no)
1431 if test "$emacs_alsa_normal" != yes; then
1432 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1433 [[snd_lib_error_set_handler (0);]])],
1434 emacs_alsa_subdir=yes,
1435 emacs_alsa_subdir=no)
1436 if test "$emacs_alsa_subdir" != yes; then
1437 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1439 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1442 CFLAGS="$SAVE_CFLAGS"
1444 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1445 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1446 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1447 elif test "${with_sound}" = "alsa"; then
1448 AC_MSG_ERROR([ALSA sound support requested but not found.])
1450 fi dnl with_sound = alsa|yes
1452 dnl Define HAVE_SOUND if we have sound support. We know it works and
1453 dnl compiles only on the specified platforms. For others, it
1454 dnl probably doesn't make sense to try.
1455 dnl FIXME So surely we should bypass this whole section if not using
1456 dnl one of these platforms?
1457 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1459 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1460 dnl Adjust the --with-sound help text if you change this.
1461 gnu-linux|freebsd|netbsd|mingw32)
1462 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1468 AC_SUBST(CFLAGS_SOUND)
1471 dnl checks for header files
1472 AC_CHECK_HEADERS_ONCE(
1476 sys/utsname.h pwd.h utmp.h util.h)
1478 AC_MSG_CHECKING(if personality LINUX32 can be set)
1479 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1480 emacs_cv_personality_linux32=yes,
1481 emacs_cv_personality_linux32=no)
1482 AC_MSG_RESULT($emacs_cv_personality_linux32)
1484 if test $emacs_cv_personality_linux32 = yes; then
1485 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1486 [Define to 1 if personality LINUX32 can be set.])
1489 dnl On Solaris 8 there's a compilation warning for term.h because
1490 dnl it doesn't define `bool'.
1491 AC_CHECK_HEADERS(term.h, , , -)
1493 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1495 if test $ac_cv_have_decl_sys_siglist != yes; then
1496 # For Tru64, at least:
1497 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1502 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1503 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1504 #if HAVE_SYS_SOCKET_H
1505 #include <sys/socket.h>
1507 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1508 #if HAVE_SYS_SOCKET_H
1509 #include <sys/socket.h>
1511 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1512 #if HAVE_SYS_SOCKET_H
1513 #include <sys/socket.h>
1516 dnl checks for structure members
1517 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1518 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1519 struct ifreq.ifr_addr,
1520 struct ifreq.ifr_addr.sa_len], , ,
1521 [AC_INCLUDES_DEFAULT
1522 #if HAVE_SYS_SOCKET_H
1523 #include <sys/socket.h>
1529 dnl Check for endianness.
1530 dnl AC_C_BIGENDIAN is done by gnulib.
1532 dnl check for Make feature
1533 dnl AC_PROG_MAKE_SET is done by Automake.
1538 dnl check if we have GCC and autodepend is on.
1539 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1540 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1541 SAVE_CFLAGS="$CFLAGS"
1542 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1543 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1544 CFLAGS="$SAVE_CFLAGS"
1545 test -f deps.d || ac_enable_autodepend=no
1547 AC_MSG_RESULT([$ac_enable_autodepend])
1548 if test $ac_enable_autodepend = yes; then
1549 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1550 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1551 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1552 deps_frag=autodeps.mk
1555 deps_frag=$srcdir/src/$deps_frag
1558 AC_SUBST_FILE(deps_frag)
1561 lisp_frag=$srcdir/src/lisp.mk
1562 AC_SUBST_FILE(lisp_frag)
1565 dnl checks for operating system services
1566 AC_SYS_LONG_FILE_NAMES
1568 #### Choose a window system.
1570 ## We leave window_system equal to none if
1571 ## we end up building without one. Any new window system should
1572 ## set window_system to an appropriate value and add objects to
1573 ## window-system-specific substs.
1577 if test "$no_x" != yes; then
1581 LD_SWITCH_X_SITE_RPATH=
1582 if test "${x_libraries}" != NONE; then
1583 if test -n "${x_libraries}"; then
1584 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1585 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1587 x_default_search_path=""
1588 x_search_path=${x_libraries}
1589 if test -z "${x_search_path}"; then
1590 x_search_path=/usr/lib
1592 for x_library in `echo ${x_search_path}: | \
1593 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1595 ${x_library}/X11/%L/%T/%N%C%S:\
1596 ${x_library}/X11/%l/%T/%N%C%S:\
1597 ${x_library}/X11/%T/%N%C%S:\
1598 ${x_library}/X11/%L/%T/%N%S:\
1599 ${x_library}/X11/%l/%T/%N%S:\
1600 ${x_library}/X11/%T/%N%S"
1601 if test x"${x_default_search_path}" = x; then
1602 x_default_search_path=${x_search_path}
1604 x_default_search_path="${x_search_path}:${x_default_search_path}"
1608 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1610 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1611 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1614 if test x"${x_includes}" = x; then
1615 bitmapdir=/usr/include/X11/bitmaps
1617 # accumulate include directories that have X11 bitmap subdirectories
1619 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1620 if test -d "${bmd}/X11/bitmaps"; then
1621 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1623 if test -d "${bmd}/bitmaps"; then
1624 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1627 if test ${bmd_acc} != "dummyval"; then
1628 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1635 tmp_CPPFLAGS="$CPPFLAGS"
1636 tmp_CFLAGS="$CFLAGS"
1637 CPPFLAGS="$CPPFLAGS -x objective-c"
1638 CFLAGS="$CFLAGS -x objective-c"
1641 if test "${with_ns}" != no; then
1642 if test "${opsys}" = darwin; then
1644 ns_appdir=`pwd`/nextstep/Emacs.app
1645 ns_appbindir=${ns_appdir}/Contents/MacOS
1646 ns_appresdir=${ns_appdir}/Contents/Resources
1647 ns_appsrc=Cocoa/Emacs.base
1648 elif test -f $GNUSTEP_CONFIG_FILE; then
1650 ns_appdir=`pwd`/nextstep/Emacs.app
1651 ns_appbindir=${ns_appdir}
1652 ns_appresdir=${ns_appdir}/Resources
1653 ns_appsrc=GNUstep/Emacs.base
1654 dnl FIXME sourcing this several times in subshells seems inefficient.
1655 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1656 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1657 dnl I seemed to need these as well with GNUstep-startup 0.25.
1658 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1659 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1660 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1661 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1662 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1663 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1664 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1665 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1666 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1667 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1668 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1669 dnl If they had chosen to either define it or not, we could have
1670 dnl just used AC_CHECK_DECL here.
1671 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1672 emacs_cv_objc_exceptions,
1673 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1674 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1678 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1679 if test $emacs_cv_objc_exceptions = yes; then
1680 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1681 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1682 [Define if GNUstep uses ObjC exceptions.])
1683 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1687 dnl This is only used while we test the NS headers, it gets reset below.
1688 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1690 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1691 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1692 files are missing or cannot be compiled.])])
1695 if test "${NS_IMPL_COCOA}" = "yes"; then
1696 AC_MSG_CHECKING([for OSX 10.4 or newer])
1697 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1699 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1700 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1703 error "OSX 10.4 or newer required";
1707 ns_osx_have_104=yes,
1709 AC_MSG_RESULT([$ns_osx_have_104])
1711 if test $ns_osx_have_104 = no; then
1712 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1714 AC_MSG_CHECKING([for OSX 10.5 or newer])
1715 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1717 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1718 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1721 error "OSX 10.5 not found";
1725 ns_osx_have_105=yes,
1727 AC_MSG_RESULT([$ns_osx_have_105])
1728 if test $ns_osx_have_105 = yes; then
1729 macfont_file="macfont.o"
1732 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1734 ns_have_nsinteger=yes,
1735 ns_have_nsinteger=no)
1736 if test $ns_have_nsinteger = yes; then
1737 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1741 AC_SUBST(LIBS_GNUSTEP)
1743 INSTALL_ARCH_INDEP_EXTRA=install-etc
1744 ns_self_contained=no
1747 if test "${HAVE_NS}" = yes; then
1748 if test "$with_toolkit_scroll_bars" = "no"; then
1749 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1752 window_system=nextstep
1753 # set up packaging dirs
1754 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1755 ns_self_contained=yes
1756 prefix=${ns_appresdir}
1757 exec_prefix=${ns_appbindir}
1758 dnl This one isn't really used, only archlibdir is.
1759 libexecdir="\${ns_appbindir}/libexec"
1760 archlibdir="\${ns_appbindir}/libexec"
1761 etcdocdir="\${ns_appresdir}/etc"
1762 etcdir="\${ns_appresdir}/etc"
1763 dnl FIXME maybe set datarootdir instead.
1764 dnl That would also get applications, icons, man.
1765 infodir="\${ns_appresdir}/info"
1766 mandir="\${ns_appresdir}/man"
1767 lispdir="\${ns_appresdir}/lisp"
1768 INSTALL_ARCH_INDEP_EXTRA=
1771 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1773 CFLAGS="$tmp_CFLAGS"
1774 CPPFLAGS="$tmp_CPPFLAGS"
1775 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1776 AC_SUBST(ns_self_contained)
1778 AC_SUBST(NS_OBJC_OBJ)
1789 if test "${with_w32}" != no; then
1792 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1793 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1794 cannot be found.])])
1797 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1800 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1805 if test "${opsys}" = "mingw32"; then
1806 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1807 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1808 #include <windows.h>
1809 #include <usp10.h>]],
1810 [[PIMAGE_NT_HEADERS pHeader;
1811 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1812 [emacs_cv_w32api=yes
1815 AC_MSG_RESULT($emacs_cv_w32api)
1816 if test "${emacs_cv_w32api}" = "no"; then
1817 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1828 if test "${HAVE_W32}" = "yes"; then
1829 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1830 AC_CHECK_TOOL(WINDRES, [windres],
1831 [AC_MSG_ERROR([No resource compiler found.])])
1832 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1833 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1834 EMACSRES="emacs.res"
1835 case "$canonical" in
1836 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1837 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1839 if test "${opsys}" = "cygwin"; then
1840 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1841 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1842 # Tell the linker that emacs.res is an object (which we compile from
1843 # the rc file), not a linker script.
1844 W32_RES_LINK="-Wl,emacs.res"
1846 UPDATE_MANIFEST=update-game-score.exe.manifest
1847 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1848 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1849 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1850 W32_RES_LINK="\$(EMACSRES)"
1851 CLIENTRES="emacsclient.res"
1852 CLIENTW="emacsclientw\$(EXEEXT)"
1853 FIRSTFILE_OBJ=firstfile.o
1856 LIBS_ECLIENT="-lcomctl32"
1857 LIB_WSOCK32="-lwsock32"
1858 NTLIB="ntlib.$ac_objext"
1859 XARGS_LIMIT="-s 10000"
1865 AC_SUBST(EMACS_MANIFEST)
1866 AC_SUBST(UPDATE_MANIFEST)
1869 AC_SUBST(W32_RES_LINK)
1870 AC_SUBST(FIRSTFILE_OBJ)
1873 AC_SUBST(LIBS_ECLIENT)
1874 AC_SUBST(LIB_WSOCK32)
1876 AC_SUBST(XARGS_LIMIT)
1878 if test "${HAVE_W32}" = "yes"; then
1883 ## $window_system is now set to the window system we will
1886 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1887 # Too many warnings for now.
1889 nw="$nw -Wsuggest-attribute=const"
1890 nw="$nw -Wsuggest-attribute=noreturn"
1891 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1893 gl_WARN_ADD([-Wno-unused-variable])
1894 gl_WARN_ADD([-Wno-unused-but-set-variable])
1895 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1903 case "${window_system}" in
1908 case "${with_x_toolkit}" in
1909 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1910 motif ) USE_X_TOOLKIT=MOTIF ;;
1912 term_header=gtkutil.h
1913 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1914 dnl USE_X_TOOLKIT is set.
1915 USE_X_TOOLKIT=none ;;
1916 gtk2 ) with_gtk2=yes
1917 term_header=gtkutil.h
1918 USE_X_TOOLKIT=none ;;
1919 gtk3 ) with_gtk3=yes
1920 term_header=gtkutil.h
1921 USE_X_TOOLKIT=none ;;
1922 no ) USE_X_TOOLKIT=none ;;
1923 dnl If user did not say whether to use a toolkit, make this decision later:
1924 dnl use the toolkit if we have gtk, or X11R5 or newer.
1925 * ) USE_X_TOOLKIT=maybe ;;
1929 term_header=nsterm.h
1932 term_header=w32term.h
1936 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1937 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1938 if test "$HAVE_XSERVER" = true ||
1939 test -n "$DISPLAY" ||
1940 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1941 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1942 were found. You should install the relevant development files for X
1943 and for the toolkit you want, such as Gtk+ or Motif. Also make
1944 sure you have development files for image handling, i.e.
1945 tiff, gif, jpeg, png and xpm.
1946 If you are sure you want Emacs compiled without X window support, pass
1952 # Does the opsystem file prohibit the use of the GNU malloc?
1953 # Assume not, until told otherwise.
1957 [whether malloc is Doug Lea style],
1958 [emacs_cv_var_doug_lea_malloc],
1959 [emacs_cv_var_doug_lea_malloc=no
1960 dnl Hooks do not work with address sanitization.
1961 if test "$emacs_cv_sanitize_address" != yes; then
1964 [[#include <malloc.h>
1965 static void hook (void) {}]],
1966 [[malloc_set_state (malloc_get_state ());
1967 __after_morecore_hook = hook;
1968 __malloc_initialize_hook = hook;]])],
1969 [emacs_cv_var_doug_lea_malloc=yes])])
1971 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1973 system_malloc=$emacs_cv_sanitize_address
1975 ## darwin ld insists on the use of malloc routines in the System framework.
1976 darwin|mingw32|sol2-10) system_malloc=yes ;;
1980 if test "${system_malloc}" = "yes"; then
1981 AC_DEFINE([SYSTEM_MALLOC], 1,
1982 [Define to 1 to use the system memory allocator, even if it is not
1986 (The GNU allocators don't work with this system configuration.)"
1989 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1990 VMLIMIT_OBJ=vm-limit.o
1992 AC_CHECK_HEADERS([sys/vlimit.h])
1993 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1996 [[extern char data_start[]; char ch;]],
1997 [[return data_start < &ch;]])],
1998 [emacs_cv_data_start=yes],
1999 [emacs_cv_data_start=no])])
2000 if test $emacs_cv_data_start = yes; then
2001 AC_DEFINE([HAVE_DATA_START], 1,
2002 [Define to 1 if data_start is the address of the start
2003 of the main data segment.])
2006 AC_SUBST(GMALLOC_OBJ)
2007 AC_SUBST(VMLIMIT_OBJ)
2009 if test "$doug_lea_malloc" = "yes" ; then
2010 if test "$GNU_MALLOC" = yes ; then
2012 (Using Doug Lea's new malloc from the GNU C Library.)"
2014 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2015 [Define to 1 if the system memory allocator is Doug Lea style,
2016 with malloc hooks and malloc_set_state.])
2018 ## Use mmap directly for allocating larger buffers.
2019 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2020 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2021 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2023 mingw32|gnu*) REL_ALLOC=no ;;
2027 if test x"${REL_ALLOC}" = x; then
2028 REL_ALLOC=${GNU_MALLOC}
2031 use_mmap_for_buffers=no
2033 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2037 if test $use_mmap_for_buffers = yes; then
2038 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2042 LIBS="$LIBS_SYSTEM $LIBS"
2044 dnl FIXME replace main with a function we actually want from this library.
2045 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2047 dnl Check for the POSIX thread library.
2049 if test "$opsys" != "mingw32"; then
2050 AC_CHECK_HEADERS_ONCE(pthread.h)
2051 if test "$ac_cv_header_pthread_h"; then
2052 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2053 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2054 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2055 if test "$GMALLOC_OBJ" = gmalloc.o; then
2056 emacs_pthread_function=pthread_atfork
2058 emacs_pthread_function=pthread_kill
2061 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2062 [AC_DEFINE([HAVE_PTHREAD], [1],
2063 [Define to 1 if you have pthread (-lpthread).])])
2064 if test "X$LIBS" != "X$OLD_LIBS"; then
2065 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2069 AC_SUBST([LIB_PTHREAD])
2072 dnl Check for need for bigtoc support on IBM AIX
2076 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2078 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2079 *) gdb_cv_bigtoc=-bbigtoc ;;
2082 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2083 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2088 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2089 # is for the tests that follow. We set them back later on.
2091 REAL_CFLAGS="$CFLAGS"
2092 REAL_CPPFLAGS="$CPPFLAGS"
2095 if test "${HAVE_X11}" = "yes"; then
2096 DEFS="$C_SWITCH_X_SITE $DEFS"
2097 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2099 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2100 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2102 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2103 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2104 # but it's more convenient here to set LD_RUN_PATH since this
2105 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2106 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2107 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2111 if test "${opsys}" = "gnu-linux"; then
2112 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2113 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2114 [[XOpenDisplay ("foo");]])],
2115 [xgnu_linux_first_failure=no],
2116 [xgnu_linux_first_failure=yes])
2117 if test "${xgnu_linux_first_failure}" = "yes"; then
2118 OLD_CPPFLAGS="$CPPFLAGS"
2120 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2121 LIBS="$LIBS -b i486-linuxaout"
2122 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2123 [[XOpenDisplay ("foo");]])],
2124 [xgnu_linux_second_failure=no],
2125 [xgnu_linux_second_failure=yes])
2126 if test "${xgnu_linux_second_failure}" = "yes"; then
2127 # If we get the same failure with -b, there is no use adding -b.
2128 # So leave it out. This plays safe.
2131 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2132 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2135 CPPFLAGS=$OLD_CPPFLAGS
2142 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2143 # header files included from there.
2144 AC_MSG_CHECKING(for Xkb)
2145 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2146 #include <X11/XKBlib.h>]],
2147 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2148 emacs_xkb=yes, emacs_xkb=no)
2149 AC_MSG_RESULT($emacs_xkb)
2150 if test $emacs_xkb = yes; then
2151 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2154 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2155 XScreenNumberOfScreen)
2158 if test "${window_system}" = "x11"; then
2159 AC_MSG_CHECKING(X11 version 6)
2160 AC_CACHE_VAL(emacs_cv_x11_version_6,
2161 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2162 [[#if XlibSpecificationRelease < 6
2165 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2166 if test $emacs_cv_x11_version_6 = yes; then
2167 AC_MSG_RESULT(6 or newer)
2168 AC_DEFINE(HAVE_X11R6, 1,
2169 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2170 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2171 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2175 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2176 [Define if you have usable X11R6-style XIM support.])
2180 AC_MSG_RESULT(before 6)
2185 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2187 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2188 if test "${with_rsvg}" != "no"; then
2189 RSVG_REQUIRED=2.11.0
2190 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2192 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2193 AC_SUBST(RSVG_CFLAGS)
2196 if test $HAVE_RSVG = yes; then
2197 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2198 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2199 # Windows loads librsvg dynamically
2200 if test "${opsys}" = "mingw32"; then
2208 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2209 if test "${with_imagemagick}" != "no"; then
2210 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2211 ## 6.8.2 makes Emacs crash; see Bug#13867.
2212 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2213 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2214 AC_SUBST(IMAGEMAGICK_CFLAGS)
2215 AC_SUBST(IMAGEMAGICK_LIBS)
2217 if test $HAVE_IMAGEMAGICK = yes; then
2218 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2221 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2222 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2223 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2233 gtk_term_header=$term_header
2236 if test "${opsys}" != "mingw32"; then
2237 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2240 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2242 dnl Checks for libraries.
2243 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2244 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2245 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2246 AC_MSG_ERROR($GTK_PKG_ERRORS)
2248 if test "$pkg_check_gtk" = "yes"; then
2249 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2250 GTK_OBJ=emacsgtkfixed.o
2251 gtk_term_header=gtkutil.h
2252 USE_GTK_TOOLKIT="GTK3"
2253 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2254 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2255 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2256 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2257 [Define to 1 to disable Glib deprecation warnings.])
2261 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2265 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2268 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2270 dnl Checks for libraries.
2271 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2272 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2273 if test "$pkg_check_gtk" = "no" &&
2274 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2276 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2278 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2285 if test x"$pkg_check_gtk" = xyes; then
2288 CFLAGS="$CFLAGS $GTK_CFLAGS"
2289 LIBS="$GTK_LIBS $LIBS"
2290 dnl Try to compile a simple GTK program.
2291 AC_MSG_CHECKING([whether GTK compiles])
2295 [[/* Check the Gtk and Glib APIs. */
2296 #include <gtk/gtk.h>
2297 #include <glib-object.h>
2299 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2303 GtkSettings *gs = 0;
2304 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2305 strict C prohibits this. Use gtk_main_iteration to test that the
2306 libraries are there. */
2307 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2308 0, 0, 0, G_CALLBACK (callback), 0))
2309 gtk_main_iteration ();
2312 AC_MSG_RESULT([$GTK_COMPILES])
2313 if test "${GTK_COMPILES}" != "yes"; then
2315 if test "$USE_X_TOOLKIT" != "maybe"; then
2316 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2319 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2321 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2322 GTK_OBJ="gtkutil.o $GTK_OBJ"
2323 term_header=$gtk_term_header
2325 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2328 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2329 closing open displays. This is no problem if you just use
2330 one display, but if you use more than one and close one of them
2340 if test "${HAVE_GTK}" = "yes"; then
2342 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2343 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2344 if test "$with_toolkit_scroll_bars" != no; then
2345 with_toolkit_scroll_bars=yes
2348 dnl Check if we have the old file selection dialog declared and
2349 dnl in the link library. In 2.x it may be in the library,
2350 dnl but not declared if deprecated featured has been selected out.
2351 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2352 HAVE_GTK_FILE_SELECTION=no
2353 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2354 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2355 #include <gtk/gtk.h>])
2356 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2357 AC_CHECK_FUNCS(gtk_file_selection_new)
2360 dnl Same as above for gtk_handle_box.
2361 HAVE_GTK_HANDLE_BOX=no
2362 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2363 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2364 #include <gtk/gtk.h>])
2365 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2366 AC_CHECK_FUNCS(gtk_handle_box_new)
2369 dnl Same as above for gtk_tearoff_menu_item.
2370 HAVE_GTK_TEAROFF_MENU_ITEM=no
2371 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2372 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2373 #include <gtk/gtk.h>])
2374 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2375 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2378 dnl Check for functions introduced in 2.14 and later.
2379 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2380 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2381 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2382 gtk_orientable_set_orientation \
2383 gtk_window_set_has_resize_grip)
2385 term_header=gtkutil.h
2391 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2392 dnl other platforms.
2395 if test "${with_dbus}" = "yes"; then
2396 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2397 if test "$HAVE_DBUS" = yes; then
2398 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2399 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2400 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2403 LIBS="$LIBS $DBUS_LIBS"
2404 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2405 dbus_type_is_valid \
2406 dbus_validate_bus_name \
2407 dbus_validate_path \
2408 dbus_validate_interface \
2409 dbus_validate_member)
2414 AC_SUBST(DBUS_CFLAGS)
2418 dnl GSettings has been tested under GNU/Linux only.
2420 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2421 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2422 if test "$HAVE_GSETTINGS" = "yes"; then
2424 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2426 LIBS="$LIBS $GSETTINGS_LIBS"
2427 AC_MSG_CHECKING([whether GSettings is in gio])
2430 [[/* Check that gsettings really is present. */
2431 #include <glib-object.h>
2432 #include <gio/gio.h>
2435 GSettings *settings;
2436 GVariant *val = g_settings_get_value (settings, "");
2438 [], HAVE_GSETTINGS=no)
2439 AC_MSG_RESULT([$HAVE_GSETTINGS])
2441 if test "$HAVE_GSETTINGS" = "yes"; then
2442 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2443 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2444 SETTINGS_LIBS="$GSETTINGS_LIBS"
2451 dnl GConf has been tested under GNU/Linux only.
2452 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2454 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2455 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2456 if test "$HAVE_GCONF" = yes; then
2457 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2458 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2459 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2460 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2464 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2465 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2466 if test "$HAVE_GOBJECT" = "yes"; then
2467 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2468 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2470 SAVE_CFLAGS="$CFLAGS"
2472 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2473 LIBS="$SETTINGS_LIBS $LIBS"
2474 CFLAGS="$SAVE_CFLAGS"
2477 AC_SUBST(SETTINGS_CFLAGS)
2478 AC_SUBST(SETTINGS_LIBS)
2481 dnl SELinux is available for GNU/Linux only.
2484 if test "${with_selinux}" = "yes"; then
2485 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2486 if test "$HAVE_LIBSELINUX" = yes; then
2487 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2488 LIBSELINUX_LIBS=-lselinux
2491 AC_SUBST(LIBSELINUX_LIBS)
2495 if test "${with_gnutls}" = "yes" ; then
2496 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
2497 [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
2498 if test "${HAVE_GNUTLS3}" = "yes"; then
2499 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2502 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2503 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2505 if test "${HAVE_GNUTLS}" = "yes"; then
2506 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2509 # Windows loads GnuTLS dynamically
2510 if test "${opsys}" = "mingw32"; then
2515 AC_SUBST(LIBGNUTLS_LIBS)
2516 AC_SUBST(LIBGNUTLS_CFLAGS)
2521 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2522 dnl a particular library. This doesn't make much sense?
2523 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2524 with_file_notification=no
2527 dnl MS Windows native file monitor is available for mingw32 only.
2528 case $with_file_notification,$opsys in
2529 w32,* | yes,mingw32)
2530 AC_CHECK_HEADER(windows.h)
2531 if test "$ac_cv_header_windows_h" = yes ; then
2532 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2533 NOTIFY_OBJ=w32notify.o
2534 NOTIFY_SUMMARY="yes (w32)"
2538 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2539 dnl has been added in glib 2.24. It has been tested under
2540 dnl GNU/Linux only. We take precedence over inotify, but this makes
2541 dnl only sense when glib has been compiled with inotify support. How
2543 case $with_file_notification,$NOTIFY_OBJ in
2545 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2546 if test "$HAVE_GFILENOTIFY" = "yes"; then
2547 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2548 NOTIFY_OBJ=gfilenotify.o
2549 NOTIFY_SUMMARY="yes -lgio (gfile)"
2553 dnl inotify is only available on GNU/Linux.
2554 case $with_file_notification,$NOTIFY_OBJ in
2556 AC_CHECK_HEADER(sys/inotify.h)
2557 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2558 AC_CHECK_FUNC(inotify_init1)
2559 if test "$ac_cv_func_inotify_init1" = yes; then
2560 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2561 NOTIFY_OBJ=inotify.o
2562 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2567 case $with_file_notification,$NOTIFY_OBJ in
2568 yes,* | no,* | *,?*) ;;
2569 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2572 if test -n "$NOTIFY_OBJ"; then
2573 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2575 AC_SUBST(NOTIFY_OBJ)
2576 AC_SUBST(GFILENOTIFY_CFLAGS)
2577 AC_SUBST(GFILENOTIFY_LIBS)
2579 dnl Do not put whitespace before the #include statements below.
2580 dnl Older compilers (eg sunos4 cc) choke on it.
2583 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2584 if test "$with_xaw3d" != no; then
2585 AC_CACHE_VAL(emacs_cv_xaw3d,
2586 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2587 #include <X11/Intrinsic.h>
2588 #include <X11/Xaw3d/Simple.h>]],
2590 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2591 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2592 emacs_cv_xaw3d=no)])
2596 if test $emacs_cv_xaw3d = yes; then
2597 AC_MSG_CHECKING(for xaw3d)
2598 AC_MSG_RESULT([yes; using Lucid toolkit])
2602 AC_DEFINE(HAVE_XAW3D, 1,
2603 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2605 AC_MSG_CHECKING(for xaw3d)
2607 AC_MSG_CHECKING(for libXaw)
2608 AC_CACHE_VAL(emacs_cv_xaw,
2609 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2610 #include <X11/Intrinsic.h>
2611 #include <X11/Xaw/Simple.h>]],
2615 if test $emacs_cv_xaw = yes; then
2616 AC_MSG_RESULT([yes; using Lucid toolkit])
2619 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2620 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2622 AC_MSG_ERROR([No X toolkit could be found.
2623 If you are sure you want Emacs compiled without an X toolkit, pass
2625 to configure. Otherwise, install the development libraries for the toolkit
2626 that you want to use (e.g. Gtk+) and re-run configure.])
2631 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2635 if test "${USE_X_TOOLKIT}" != "none"; then
2636 AC_MSG_CHECKING(X11 toolkit version)
2637 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2638 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2639 [[#if XtSpecificationRelease < 6
2642 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2643 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2644 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2645 AC_MSG_RESULT(6 or newer)
2646 AC_DEFINE(HAVE_X11XTR6, 1,
2647 [Define to 1 if you have the X11R6 or newer version of Xt.])
2648 LIBXTR6="-lSM -lICE"
2650 ## Use libw.a along with X11R6 Xt.
2651 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2654 AC_MSG_RESULT(before 6)
2657 dnl If using toolkit, check whether libXmu.a exists.
2658 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2660 if test x$HAVE_X11XTR6 = xyes; then
2661 OTHERLIBS='-lXt -lSM -lICE'
2665 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2666 if test "X$LIBS" != "X$OLDLIBS"; then
2667 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2670 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2676 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2677 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2678 if test -d /usr/include/openmotif; then
2679 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2680 emacs_cv_openmotif=yes
2681 case "$canonical" in
2682 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2683 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2686 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2689 emacs_cv_openmotif=no
2691 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2692 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2693 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2696 Motif version prior to 2.1.
2698 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2699 if test $emacs_cv_motif_version_2_1 = yes; then
2700 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2701 if test x$emacs_cv_openmotif = xyes; then
2702 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2705 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2706 # We put this in CFLAGS temporarily to precede other -I options
2707 # that might be in CFLAGS temporarily.
2708 # We put this in CPPFLAGS where it precedes the other -I options.
2709 OLD_CPPFLAGS=$CPPFLAGS
2711 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2712 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2713 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2715 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2716 if test $emacs_cv_lesstif = yes; then
2717 # Make sure this -I option remains in CPPFLAGS after it is set
2718 # back to REAL_CPPFLAGS.
2719 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2720 # have those other -I options anyway. Ultimately, having this
2721 # directory ultimately in CPPFLAGS will be enough.
2722 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2723 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2726 CPPFLAGS=$OLD_CPPFLAGS
2729 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2730 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2733 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2734 dnl using Motif or Xaw3d is available, and unless
2735 dnl --with-toolkit-scroll-bars=no was specified.
2737 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2738 [Define to 1 if we should use toolkit scroll bars.])dnl
2739 USE_TOOLKIT_SCROLL_BARS=no
2740 if test "${with_toolkit_scroll_bars}" != "no"; then
2741 if test "${USE_X_TOOLKIT}" != "none"; then
2742 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2743 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2745 USE_TOOLKIT_SCROLL_BARS=yes
2746 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2747 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2748 USE_TOOLKIT_SCROLL_BARS=yes
2750 elif test "${HAVE_GTK}" = "yes"; then
2751 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2752 USE_TOOLKIT_SCROLL_BARS=yes
2753 elif test "${HAVE_NS}" = "yes"; then
2754 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2755 USE_TOOLKIT_SCROLL_BARS=yes
2756 elif test "${HAVE_W32}" = "yes"; then
2757 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2758 USE_TOOLKIT_SCROLL_BARS=yes
2762 dnl See if XIM is available.
2763 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2764 #include <X11/Xlib.h>
2765 #include <X11/Xresource.h>]],
2766 [[XIMProc callback;]])],
2768 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2771 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2773 if test "${with_xim}" != "no"; then
2774 AC_DEFINE(USE_XIM, 1,
2775 [Define to 1 if we should use XIM, if it is available.])
2779 if test "${HAVE_XIM}" != "no"; then
2781 if test "$GCC" = yes; then
2782 CFLAGS="$CFLAGS --pedantic-errors"
2784 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2785 #include <X11/Xlib.h>
2786 #include <X11/Xresource.h>]],
2792 XPointer *client_data;
2794 /* If we're not using GCC, it's probably not XFree86, and this is
2795 probably right, but we can't use something like --pedantic-errors. */
2796 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2797 char*, XIMProc, XPointer*);
2799 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2801 [emacs_cv_arg6_star=yes])
2802 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2803 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2804 either XPointer or XPointer*.])dnl
2805 if test "$emacs_cv_arg6_star" = yes; then
2806 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2808 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2813 ### Start of font-backend (under any platform) section.
2814 # (nothing here yet -- this is a placeholder)
2815 ### End of font-backend (under any platform) section.
2817 ### Start of font-backend (under X11) section.
2818 if test "${HAVE_X11}" = "yes"; then
2819 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0],
2820 [HAVE_FC=yes], [HAVE_FC=no])
2822 ## Use -lXft if available, unless `--with-xft=no'.
2824 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2827 if test "x${with_xft}" != "xno"; then
2829 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2830 ## Because xftfont.c uses XRenderQueryExtension, we also
2831 ## need to link to -lXrender.
2833 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2834 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2835 OLD_CPPFLAGS="$CPPFLAGS"
2836 OLD_CFLAGS="$CFLAGS"
2838 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2839 CFLAGS="$CFLAGS $XFT_CFLAGS"
2840 XFT_LIBS="-lXrender $XFT_LIBS"
2841 LIBS="$XFT_LIBS $LIBS"
2842 AC_CHECK_HEADER(X11/Xft/Xft.h,
2843 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2844 [[#include <X11/X.h>]])
2846 if test "${HAVE_XFT}" = "yes"; then
2847 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2849 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2850 fi # "${HAVE_XFT}" = "yes"
2851 CPPFLAGS=$OLD_CPPFLAGS
2854 fi # "$HAVE_XFT" != no
2855 fi # "x${with_xft}" != "xno"
2857 ## We used to allow building with FreeType and without Xft.
2858 ## However, the ftx font backend driver is not in good shape.
2859 if test "$HAVE_XFT" != "yes"; then
2860 dnl For the "Does Emacs use" message at the end.
2864 dnl Strict linkers fail with
2865 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2866 dnl if -lfreetype is not specified.
2867 dnl The following is needed to set FREETYPE_LIBS.
2868 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2870 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2874 if test "${HAVE_FREETYPE}" = "yes"; then
2875 AC_DEFINE(HAVE_FREETYPE, 1,
2876 [Define to 1 if using the freetype and fontconfig libraries.])
2877 if test "${with_libotf}" != "no"; then
2878 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2879 if test "$HAVE_LIBOTF" = "yes"; then
2880 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2881 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2882 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2883 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2884 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2885 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2886 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2890 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2891 dnl Does the new font backend require it, or can it work without it?
2895 if test "${HAVE_LIBOTF}" = yes; then
2896 if test "${with_m17n_flt}" != "no"; then
2897 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
2898 if test "$HAVE_M17N_FLT" = "yes"; then
2899 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2910 ### End of font-backend (under X11) section.
2912 AC_SUBST(FREETYPE_CFLAGS)
2913 AC_SUBST(FREETYPE_LIBS)
2914 AC_SUBST(FONTCONFIG_CFLAGS)
2915 AC_SUBST(FONTCONFIG_LIBS)
2916 AC_SUBST(LIBOTF_CFLAGS)
2917 AC_SUBST(LIBOTF_LIBS)
2918 AC_SUBST(M17N_FLT_CFLAGS)
2919 AC_SUBST(M17N_FLT_LIBS)
2921 ### Use -lXpm if available, unless `--with-xpm=no'.
2922 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2925 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2926 if test "${with_xpm}" != "no"; then
2927 SAVE_CPPFLAGS="$CPPFLAGS"
2928 SAVE_LDFLAGS="$LDFLAGS"
2929 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2930 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2931 AC_CHECK_HEADER(X11/xpm.h,
2932 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2933 if test "${HAVE_XPM}" = "yes"; then
2934 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2935 AC_EGREP_CPP(no_return_alloc_pixels,
2936 [#include "X11/xpm.h"
2937 #ifndef XpmReturnAllocPixels
2938 no_return_alloc_pixels
2940 ], HAVE_XPM=no, HAVE_XPM=yes)
2942 if test "${HAVE_XPM}" = "yes"; then
2943 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2947 CPPFLAGS="$SAVE_CPPFLAGS"
2948 LDFLAGS="$SAVE_LDFLAGS"
2953 if test "${HAVE_XPM}" = "yes"; then
2954 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2959 if test "${HAVE_X11}" = "yes"; then
2960 if test "${with_xpm}" != "no"; then
2961 AC_CHECK_HEADER(X11/xpm.h,
2962 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2963 if test "${HAVE_XPM}" = "yes"; then
2964 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2965 AC_EGREP_CPP(no_return_alloc_pixels,
2966 [#include "X11/xpm.h"
2967 #ifndef XpmReturnAllocPixels
2968 no_return_alloc_pixels
2970 ], HAVE_XPM=no, HAVE_XPM=yes)
2972 if test "${HAVE_XPM}" = "yes"; then
2980 if test "${HAVE_XPM}" = "yes"; then
2981 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2986 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2987 ### slightly different requirements wrt image libraries (it doesn't
2988 ### use -lXpm because it loads the xpm shared library dynamically at
2990 if test "${opsys}" = "mingw32"; then
2991 if test "${with_xpm}" != "no"; then
2992 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2996 if test "${HAVE_XPM}" = "yes"; then
2997 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3003 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3004 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3007 if test "${opsys}" = "mingw32"; then
3008 if test "${with_jpeg}" != "no"; then
3009 dnl Checking for jpeglib.h can lose because of a redefinition of
3011 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3013 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3014 if test "${HAVE_JPEG}" = "yes"; then
3015 AC_DEFINE(HAVE_JPEG)
3016 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3017 [#include <jpeglib.h>
3018 version=JPEG_LIB_VERSION
3020 [AC_DEFINE(HAVE_JPEG)],
3021 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3024 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3025 if test "${with_jpeg}" != "no"; then
3026 dnl Checking for jpeglib.h can lose because of a redefinition of
3028 AC_CHECK_HEADER(jerror.h,
3029 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3032 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3033 if test "${HAVE_JPEG}" = "yes"; then
3034 AC_DEFINE(HAVE_JPEG)
3035 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3036 [#include <jpeglib.h>
3037 version=JPEG_LIB_VERSION
3039 [AC_DEFINE(HAVE_JPEG)],
3040 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3043 if test "${HAVE_JPEG}" = "yes"; then
3051 if test "${with_zlib}" != "no"; then
3053 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3055 case $ac_cv_search_inflateEnd in
3056 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3059 if test "${HAVE_ZLIB}" = "yes"; then
3060 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3061 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3062 if test "${opsys}" = "mingw32"; then
3068 ### Use -lpng if available, unless `--with-png=no'.
3072 if test "${NS_IMPL_COCOA}" = yes; then
3074 elif test "${with_png}" != no; then
3075 # mingw32 loads the library dynamically.
3076 if test "$opsys" = mingw32; then
3077 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3078 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3079 AC_MSG_CHECKING([for png])
3080 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3081 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3082 # libpng-config does not work; configure by hand.
3083 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3084 # in /usr/include/libpng.
3085 if test -r /usr/include/libpng/png.h &&
3086 test ! -r /usr/include/png.h; then
3087 png_cflags=-I/usr/include/libpng
3095 CFLAGS="$CFLAGS $png_cflags"
3096 LIBS="$png_libs -lz -lm $LIBS"
3098 [AC_LANG_PROGRAM([[#include <png.h>]],
3099 [[return !png_get_channels (0, 0);]])],
3101 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3103 # $LIBPNG requires explicit -lz in some cases.
3104 # We don't know what those cases are, exactly, so play it safe and
3105 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3106 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3107 LIBPNG="$LIBPNG -lz"
3111 AC_MSG_RESULT([$HAVE_PNG])
3114 if test $HAVE_PNG = yes; then
3115 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3118 CFLAGS="$CFLAGS $PNG_CFLAGS"
3119 AC_CHECK_DECL([png_longjmp],
3121 [AC_DEFINE([PNG_DEPSTRUCT], [],
3122 [Define to empty to suppress deprecation warnings when building
3123 with --enable-gcc-warnings and with libpng versions before 1.5,
3124 which lack png_longjmp.])],
3130 AC_SUBST(PNG_CFLAGS)
3132 ### Use -ltiff if available, unless `--with-tiff=no'.
3133 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3136 if test "${opsys}" = "mingw32"; then
3137 if test "${with_tiff}" != "no"; then
3138 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3140 if test "${HAVE_TIFF}" = "yes"; then
3141 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3143 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3144 if test "${with_tiff}" != "no"; then
3145 AC_CHECK_HEADER(tiffio.h,
3147 # At least one tiff package requires the jpeg library.
3148 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3149 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3152 if test "${HAVE_TIFF}" = "yes"; then
3153 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3154 dnl FIXME -lz -lm, as per libpng?
3160 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3161 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3164 if test "${opsys}" = "mingw32"; then
3165 if test "${with_gif}" != "no"; then
3166 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3168 if test "${HAVE_GIF}" = "yes"; then
3169 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3171 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3172 || test "${HAVE_W32}" = "yes"; then
3173 AC_CHECK_HEADER(gif_lib.h,
3174 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3175 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3176 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3177 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3179 if test "$HAVE_GIF" = yes; then
3181 elif test "$HAVE_GIF" = maybe; then
3182 # If gif_lib.h but no libgif, try libungif.
3183 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3184 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3187 if test "${HAVE_GIF}" = "yes"; then
3188 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3193 dnl Check for required libraries.
3194 if test "${HAVE_X11}" = "yes"; then
3197 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3198 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3199 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3200 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3201 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3202 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3203 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3204 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3205 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3206 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3208 if test "X${MISSING}" != X; then
3209 AC_MSG_ERROR([The following required libraries were not found:
3211 Maybe some development libraries/packages are missing?
3212 If you don't want to link with them give
3214 as options to configure])
3218 ### Use -lgpm if available, unless `--with-gpm=no'.
3221 if test "${with_gpm}" != "no"; then
3222 AC_CHECK_HEADER(gpm.h,
3223 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3225 if test "${HAVE_GPM}" = "yes"; then
3226 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3232 dnl Check for malloc/malloc.h on darwin
3233 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3236 ### Use NeXTstep API to implement GUI.
3237 if test "${HAVE_NS}" = "yes"; then
3238 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3239 if test "${NS_IMPL_COCOA}" = "yes"; then
3240 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3242 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3243 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3244 # See also .m.o rule in Makefile.in */
3245 # FIXME: are all these flags really needed? Document here why. */
3246 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3247 ## Extra CFLAGS applied to src/*.m files.
3248 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3253 ### Use session management (-lSM -lICE) if available
3256 if test "${HAVE_X11}" = "yes"; then
3257 AC_CHECK_HEADER(X11/SM/SMlib.h,
3258 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3260 if test "${HAVE_X_SM}" = "yes"; then
3261 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3267 ### Use XRandr (-lXrandr) if available
3269 if test "${HAVE_X11}" = "yes"; then
3270 XRANDR_REQUIRED=1.2.2
3271 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3272 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3273 if test $HAVE_XRANDR = no; then
3274 # Test old way in case pkg-config doesn't have it (older machines).
3275 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3276 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3277 if test $HAVE_XRANDR = yes; then
3278 XRANDR_LIBS=-lXrandr
3281 if test $HAVE_XRANDR = yes; then
3282 SAVE_CFLAGS="$CFLAGS"
3284 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3285 LIBS="$XRANDR_LIBS $LIBS"
3286 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3287 CFLAGS="$SAVE_CFLAGS"
3290 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3293 AC_SUBST(XRANDR_CFLAGS)
3294 AC_SUBST(XRANDR_LIBS)
3296 ### Use Xinerama (-lXinerama) if available
3298 if test "${HAVE_X11}" = "yes"; then
3299 XINERAMA_REQUIRED=1.0.2
3300 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3301 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3302 if test $HAVE_XINERAMA = no; then
3303 # Test old way in case pkg-config doesn't have it (older machines).
3304 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3305 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3306 if test $HAVE_XINERAMA = yes; then
3307 XINERAMA_LIBS=-lXinerama
3310 if test $HAVE_XINERAMA = yes; then
3311 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3314 AC_SUBST(XINERAMA_CFLAGS)
3315 AC_SUBST(XINERAMA_LIBS)
3317 ### Use Xfixes (-lXfixes) if available
3319 if test "${HAVE_X11}" = "yes"; then
3320 XFIXES_REQUIRED=4.0.0
3321 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3322 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3323 if test $HAVE_XFIXES = no; then
3324 # Test old way in case pkg-config doesn't have it (older machines).
3325 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3326 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3327 if test $HAVE_XFIXES = yes; then
3328 XFIXES_LIBS=-lXfixes
3331 if test $HAVE_XFIXES = yes; then
3332 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3335 AC_SUBST(XFIXES_CFLAGS)
3336 AC_SUBST(XFIXES_LIBS)
3338 ### Use libxml (-lxml2) if available
3339 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3341 if test "${with_xml2}" != "no"; then
3342 ### I'm not sure what the version number should be, so I just guessed.
3343 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3344 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3345 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3346 SAVE_CPPFLAGS="$CPPFLAGS"
3347 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3348 AC_CHECK_HEADER(libxml/HTMLparser.h,
3349 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3350 [#include <libxml/HTMLparser.h>])])
3351 CPPFLAGS="$SAVE_CPPFLAGS"
3352 if test "${HAVE_LIBXML2}" = "yes"; then
3353 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3354 LIBXML2_LIBS="-lxml2"
3357 if test "${HAVE_LIBXML2}" = "yes"; then
3358 if test "${opsys}" != "mingw32"; then
3359 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3364 if test "${HAVE_LIBXML2}" = "yes"; then
3365 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3372 AC_SUBST(LIBXML2_LIBS)
3373 AC_SUBST(LIBXML2_CFLAGS)
3375 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3376 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3377 if test "${opsys}" = "mingw32"; then
3378 emacs_cv_netdb_declares_h_errno=yes
3380 AC_CACHE_CHECK(whether netdb declares h_errno,
3381 emacs_cv_netdb_declares_h_errno,
3382 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3383 [[return h_errno;]])],
3384 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3385 if test $emacs_cv_netdb_declares_h_errno = yes; then
3386 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3389 # Check for mail-locking functions in a "mail" library. Probably this should
3390 # have the same check as for liblockfile below.
3391 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3392 if test $have_mail = yes; then
3394 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3397 LIBS="$LIBS_MAIL $LIBS"
3398 AC_CHECK_FUNCS(touchlock)
3403 dnl Debian, at least:
3404 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3405 if test $have_lockfile = yes; then
3406 LIBS_MAIL=-llockfile
3407 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3409 # If we have the shared liblockfile, assume we must use it for mail
3410 # locking (e.g. Debian). If we couldn't link against liblockfile
3411 # (no liblockfile.a installed), ensure that we don't need to.
3412 dnl This works for files generally, not just executables.
3413 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3414 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3415 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3416 if test $ac_cv_prog_liblockfile = yes; then
3417 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3418 This probably means that movemail could lose mail.
3419 There may be a `development' package to install containing liblockfile.])
3422 AC_CHECK_HEADERS_ONCE(maillock.h)
3425 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3426 ## interlock access to the mail spool. The alternative is a lock file named
3427 ## /usr/spool/mail/$USER.lock.
3430 aix4-2) mail_lock="lockf" ;;
3432 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3434 ## On GNU/Linux systems, both methods are used by various mail programs.
3435 ## I assume most people are using newer mailers that have heard of flock.
3436 ## Change this if you need to.
3437 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3438 ## configure gets the right answers, and that means *NOT* using flock.
3439 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3440 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3441 ## Debian maintainer hasn't provided a clean fix for Emacs.
3442 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3443 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3444 ## correct logic. -- fx
3445 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3446 ## liblockfile is a Free Software replacement for libmail, used on
3447 ## Debian systems and elsewhere. -rfr.
3450 if test $have_mail = yes || test $have_lockfile = yes; then
3451 test $ac_cv_header_maillock_h = yes && mail_lock=no
3456 mail_lock="none-needed" ;;
3460 case "$mail_lock" in
3461 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3463 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3467 *) BLESSMAIL_TARGET="need-blessmail" ;;
3469 AC_SUBST(BLESSMAIL_TARGET)
3472 LIBS="$LIB_MATH $LIBS"
3473 AC_CHECK_FUNCS(accept4 gethostname \
3474 getrusage get_current_dir_name \
3475 lrand48 random rint \
3476 select getpagesize setlocale \
3477 getrlimit setrlimit shutdown getaddrinfo \
3478 strsignal setitimer \
3479 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3481 getpwent endpwent getgrent endgrent \
3482 cfmakeraw cfsetspeed copysign __executable_start log2)
3485 dnl No need to check for aligned_alloc and posix_memalign if using
3486 dnl gmalloc.o, as it supplies them. Don't use these functions on
3487 dnl Darwin as they are incompatible with unexmacosx.c.
3488 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3489 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3492 dnl Cannot use AC_CHECK_FUNCS
3493 AC_CACHE_CHECK([for __builtin_unwind_init],
3494 emacs_cv_func___builtin_unwind_init,
3495 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3496 emacs_cv_func___builtin_unwind_init=yes,
3497 emacs_cv_func___builtin_unwind_init=no)])
3498 if test $emacs_cv_func___builtin_unwind_init = yes; then
3499 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3500 [Define to 1 if you have the `__builtin_unwind_init' function.])
3503 AC_CHECK_HEADERS_ONCE(sys/un.h)
3508 AC_CHECK_FUNCS(grantpt)
3510 # PTY-related GNU extensions.
3511 AC_CHECK_FUNCS(getpt posix_openpt)
3513 # Check this now, so that we will NOT find the above functions in ncurses.
3514 # That is because we have not set up to link ncurses in lib-src.
3515 # It's better to believe a function is not available
3516 # than to expect to find it in ncurses.
3517 # Also we need tputs and friends to be able to build at all.
3518 AC_MSG_CHECKING([for library containing tputs])
3519 # Run a test program that contains a call to tputs, a call that is
3520 # never executed. This tests whether a pre-'main' dynamic linker
3521 # works with the library. It's too much trouble to actually call
3522 # tputs in the test program, due to portability hassles. When
3523 # cross-compiling, assume the test program will run if it links.
3524 AC_DEFUN([tputs_link_source], [
3526 [[extern void tputs (const char *, int, int (*)(int));
3527 int main (int argc, char **argv)
3530 tputs (argv[0], 0, 0);
3534 if test "${opsys}" = "mingw32"; then
3537 # Maybe curses should be tried earlier?
3538 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3539 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3541 if test -z "$tputs_library"; then
3545 LIBS_TERMCAP=-l$tputs_library
3547 LIBS="$LIBS_TERMCAP $LIBS"
3549 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3550 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3552 if test "X$msg" != Xno; then
3557 AC_MSG_RESULT([$msg])
3558 if test "X$msg" = Xno; then
3559 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3560 The following libraries were tried (in order):
3561 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3562 Please try installing whichever of these libraries is most appropriate
3563 for your system, together with its header files.
3564 For example, a libncurses-dev(el) or similar package.])
3567 ## Use termcap instead of terminfo?
3568 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3570 ## FIXME? In the cases below where we unconditionally set
3571 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3572 ## if that was found above to have tputs.
3573 ## Should we use the gnu* logic everywhere?
3575 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3576 ## The ncurses library has been moved out of the System framework in
3577 ## Mac OS X 10.2. So if configure detects it, set the command-line
3578 ## option to use it.
3579 darwin) LIBS_TERMCAP="-lncurses" ;;
3581 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3584 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3585 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3586 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3587 [[#if __FreeBSD_version < 400000
3590 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3592 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3594 if test $emacs_cv_freebsd_terminfo = yes; then
3595 LIBS_TERMCAP="-lncurses"
3598 LIBS_TERMCAP="-ltermcap"
3608 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3610 LIBS_TERMCAP="-ltermcap"
3614 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3616 ## hpux: Make sure we get select from libc rather than from libcurses
3617 ## because libcurses on HPUX 10.10 has a broken version of select.
3618 ## We used to use -lc -lcurses, but this may be cleaner.
3619 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3620 # set that way, now it uses the default). Isn't this a contradiction?
3621 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3625 TERMCAP_OBJ=tparam.o
3626 if test $TERMINFO = yes; then
3627 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3628 TERMCAP_OBJ=terminfo.o
3630 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3631 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3633 AC_SUBST(LIBS_TERMCAP)
3634 AC_SUBST(TERMCAP_OBJ)
3637 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3638 # On Darwin, res_init appears not to be useful: see bug#562 and
3639 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3642 if test $opsys != darwin; then
3644 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3645 #include <arpa/nameser.h>
3646 #include <resolv.h>]],
3647 [[return res_init();]])],
3648 have_res_init=yes, have_res_init=no)
3649 if test "$have_res_init" = no; then
3651 LIBS="$LIBS -lresolv"
3652 AC_MSG_CHECKING(for res_init with -lresolv)
3653 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3654 #include <arpa/nameser.h>
3655 #include <resolv.h>]],
3656 [[return res_init();]])],
3657 have_res_init=yes, have_res_init=no)
3658 AC_MSG_RESULT($have_res_init)
3659 if test "$have_res_init" = yes ; then
3665 if test "$have_res_init" = yes; then
3666 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3670 # Do we need the Hesiod library to provide the support routines?
3671 dnl FIXME? Should we be skipping this on Darwin too?
3673 if test "$with_hesiod" != no ; then
3674 # Don't set $LIBS here -- see comments above. FIXME which comments?
3675 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3676 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3677 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3678 if test "$resolv" = yes ; then
3683 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3684 hesiod=yes, :, $RESOLVLIB)])
3686 if test x"$hesiod" = xyes; then
3692 # Do we need libresolv (due to res_init or Hesiod)?
3693 if test "$resolv" = yes && test $opsys != darwin; then
3700 # These tell us which Kerberos-related libraries to use.
3707 if test "${with_kerberos}" != no; then
3709 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3710 if test $have_com_err = yes; then
3711 COM_ERRLIB=-lcom_err
3712 LIBS="$COM_ERRLIB $LIBS"
3714 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3715 if test $have_crypto = yes; then
3717 LIBS="$CRYPTOLIB $LIBS"
3719 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3720 if test $have_k5crypto = yes; then
3721 CRYPTOLIB=-lk5crypto
3722 LIBS="$CRYPTOLIB $LIBS"
3724 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3725 if test $have_krb5=yes; then
3727 LIBS="$KRB5LIB $LIBS"
3729 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3730 if test "${with_kerberos5}" = no; then
3731 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3732 if test $have_des425 = yes; then
3734 LIBS="$DESLIB $LIBS"
3736 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3737 if test $have_des = yes; then
3739 LIBS="$DESLIB $LIBS"
3742 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3743 if test $have_krb4 = yes; then
3745 LIBS="$KRB4LIB $LIBS"
3747 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3748 if test $have_krb = yes; then
3750 LIBS="$KRB4LIB $LIBS"
3755 if test "${with_kerberos5}" != no; then
3756 AC_CHECK_HEADERS(krb5.h,
3757 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3758 [#include <krb5.h>])])
3760 AC_CHECK_HEADERS(krb.h,,
3761 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3762 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3764 AC_CHECK_HEADERS(com_err.h)
3768 AC_SUBST(COM_ERRLIB)
3774 AC_CHECK_HEADERS(valgrind/valgrind.h)
3776 AC_CHECK_FUNCS_ONCE(tzset)
3777 AC_MSG_CHECKING(whether localtime caches TZ)
3778 AC_CACHE_VAL(emacs_cv_localtime_cache,
3779 [if test x$ac_cv_func_tzset = xyes; then
3780 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3781 char TZ_GMT0[] = "TZ=GMT0";
3782 char TZ_PST8[] = "TZ=PST8";
3785 time_t now = time ((time_t *) 0);
3786 int hour_GMT0, hour_unset;
3787 if (putenv (TZ_GMT0) != 0)
3789 hour_GMT0 = localtime (&now)->tm_hour;
3791 hour_unset = localtime (&now)->tm_hour;
3792 if (putenv (TZ_PST8) != 0)
3794 if (localtime (&now)->tm_hour == hour_GMT0)
3797 if (localtime (&now)->tm_hour != hour_unset)
3800 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3801 [# If we have tzset, assume the worst when cross-compiling.
3802 emacs_cv_localtime_cache=yes])
3804 # If we lack tzset, report that localtime does not cache TZ,
3805 # since we can't invalidate the cache if we don't have tzset.
3806 emacs_cv_localtime_cache=no
3808 AC_MSG_RESULT($emacs_cv_localtime_cache)
3809 if test $emacs_cv_localtime_cache = yes; then
3810 AC_DEFINE(LOCALTIME_CACHE, 1,
3811 [Define to 1 if localtime caches TZ.])
3815 AC_CHECK_FUNC(socket, , ok_so_far=no)
3816 if test $ok_so_far = yes; then
3817 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3819 if test $ok_so_far = yes; then
3820 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3822 if test $ok_so_far = yes; then
3823 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3824 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3825 [Define to 1 if you have inet sockets.])
3828 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3829 dnl This can be removed once we assume Autoconf 2.70.
3831 *-solaris2.4 | *-solaris2.4.*)
3832 dnl Disable the Autoconf-generated vfork test.
3833 : ${ac_cv_func_vfork_works=no};;
3838 AC_CHECK_FUNCS(snprintf)
3840 dnl Check for glib. This differs from other library checks in that
3841 dnl Emacs need not link to glib unless some other library is already
3842 dnl linking to glib. Although glib provides no facilities that Emacs
3843 dnl needs for its own purposes, when glib is present Emacs needs to
3844 dnl use primitives like g_main_context_query to avoid clashing with
3845 dnl glib at a low level.
3847 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3851 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3852 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3853 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3854 LIBS="$LIBS $GFILENOTIFY_LIBS"
3855 AC_MSG_CHECKING([whether GLib is linked in])
3856 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3859 [[g_print ("Hello world");]])],
3862 AC_MSG_RESULT([$links_glib])
3863 if test "${links_glib}" = "yes"; then
3864 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3865 if test "$HAVE_NS" = no;then
3873 dnl Adapted from Haible's version.
3874 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3875 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3876 [[char* cs = nl_langinfo(CODESET);]])],
3877 emacs_cv_langinfo_codeset=yes,
3878 emacs_cv_langinfo_codeset=no)
3880 if test $emacs_cv_langinfo_codeset = yes; then
3881 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3882 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3887 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3888 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3889 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3890 if test "$emacs_cv_c_restrict_arr" = yes; then
3891 AC_DEFINE(__restrict_arr, __restrict,
3892 [Define to compiler's equivalent of C99 restrict keyword in array
3893 declarations. Define as empty for no equivalent.])
3896 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3897 dnl how the tty code is related to POSIX and/or other versions of termios.
3898 dnl The following looks like a useful start.
3900 dnl AC_SYS_POSIX_TERMIOS
3901 dnl if test $ac_cv_sys_posix_termios = yes; then
3902 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3903 dnl and macros for terminal control.])
3904 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3907 dnl Turned on June 1996 supposing nobody will mind it.
3908 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3909 if test "${opsys}" != "mingw32"; then
3910 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3911 in the full name stands for the login id.])
3914 dnl Everybody supports this, except MS.
3915 dnl Seems like the kind of thing we should be testing for, though.
3916 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3917 if test "${opsys}" != "mingw32"; then
3918 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3921 dnl Everybody supports this, except MS-DOS.
3922 dnl Seems like the kind of thing we should be testing for, though.
3923 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3924 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3925 4.2-compatible sockets.])
3927 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3929 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3930 a null file, or a data sink.])
3931 if test "${opsys}" = "mingw32"; then
3932 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3934 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3937 if test "${opsys}" = "mingw32"; then
3942 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3943 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3944 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3945 dnl decides that a command-line argument to be passed to a MinGW program
3946 dnl is a PATH-style list of directories. But that heuristics plays it
3947 dnl safe, and only does the replacement when it is _absolutely_ sure it
3948 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3949 dnl which breaks in-tree builds. So we do this manually instead.
3950 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3951 dnl be computed as ':' in MSYS Bash.
3954 dnl Everybody supports this, except MS-DOS.
3955 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3957 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3960 AC_DEFINE(DIRECTORY_SEP, ['/'],
3961 [Character that separates directories in a file name.])
3963 if test "${opsys}" = "mingw32"; then
3964 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3965 [Returns true if character is a device separator.])
3967 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3968 [Returns true if character is a directory separator.])
3970 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3971 [Returns true if character is any form of separator.])
3973 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3974 [Returns true if character is a device separator.])
3976 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3977 [Returns true if character is a directory separator.])
3979 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3980 [Returns true if character is any form of separator.])
3983 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3987 dnl Unfortunately without libXmu we cannot support EditRes.
3988 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
3989 AC_DEFINE(NO_EDITRES, 1)
3994 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3995 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3996 AC_DEFINE(NO_EDITRES, 1)
4002 irix6-5 | sol2* | unixware )
4003 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4004 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4005 dnl need the constant to dimension an array. So wire in the appropriate
4007 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4011 emacs_broken_SIGIO=no
4014 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4015 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4016 hpux* | irix6-5 | openbsd | sol2* | unixware )
4017 emacs_broken_SIGIO=yes
4021 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4022 dnl the way this system works, libc functions that return malloced
4023 dnl memory use the libc malloc implementation. Calling xfree or
4024 dnl xrealloc on the results of such functions results in a crash.
4026 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4027 dnl but that does not currently work on this system.
4029 dnl It is possible to completely override the malloc implementation on
4030 dnl AIX, but that involves putting the malloc functions in a shared
4031 dnl library and setting the MALLOCTYPE environment variable to point to
4032 dnl that shared library.
4034 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4035 dnl to avoid a crash just use the Emacs implementation for that function.
4037 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4038 dnl of this file, so that we do not check for get_current_dir_name
4039 dnl on AIX. But that might be fragile if something else ends
4040 dnl up testing for get_current_dir_name as a dependency.
4041 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4042 get_current_dir_name should not be used.])
4046 dnl Circumvent a bug in FreeBSD. In the following sequence of
4047 dnl writes/reads on a PTY, read(2) returns bogus data:
4049 dnl write(2) 1022 bytes
4050 dnl write(2) 954 bytes, get EAGAIN
4051 dnl read(2) 1024 bytes in process_read_output
4052 dnl read(2) 11 bytes in process_read_output
4054 dnl That is, read(2) returns more bytes than have ever been written
4055 dnl successfully. The 1033 bytes read are the 1022 bytes written
4056 dnl successfully after processing (for example with CRs added if the
4057 dnl terminal is set up that way which it is here). The same bytes will
4058 dnl be seen again in a later read(2), without the CRs.
4059 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4060 work around an issue when reading from a PTY.])
4066 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4067 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4072 darwin | dragonfly | freebsd | netbsd | openbsd )
4073 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4074 close a pty to make it a controlling terminal (it is already a
4075 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4079 dnl FIXME Surely we can test for this rather than hard-code it.
4081 netbsd | openbsd) sound_device="/dev/audio" ;;
4082 *) sound_device="/dev/dsp" ;;
4086 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4087 [Name of the default sound device.])
4090 dnl Emacs can read input using SIGIO and buffering characters itself,
4091 dnl or using CBREAK mode and making C-g cause SIGINT.
4092 dnl The choice is controlled by the variable interrupt_input.
4094 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4096 dnl Emacs uses the presence of the USABLE_SIGIO macro
4097 dnl to indicate whether or not signal-driven I/O is possible. It uses
4098 dnl INTERRUPT_INPUT to decide whether to use it by default.
4100 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4101 dnl CBREAK mode has two disadvantages
4102 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4103 dnl I hear that in system V this problem does not exist.
4104 dnl 2) Control-G causes output to be discarded.
4105 dnl I do not know whether this can be fixed in system V.
4107 dnl Another method of doing input is planned but not implemented.
4108 dnl It would have Emacs fork off a separate process
4109 dnl to read the input and send it to the true Emacs process
4112 darwin | gnu-linux | gnu-kfreebsd )
4113 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4118 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4119 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4120 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4121 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4122 dnl taking float or double parameters.
4124 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4125 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4126 file defines `NeedWidePrototypes' as `NO'.])
4131 dnl Used in process.c, this must be a loop, even if it only runs once.
4132 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4133 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4134 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4135 dnl trying suffixes 0-16.
4136 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4137 first PTY, if PTYs are supported.])
4138 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4139 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4140 end of a PTY, if non-standard.])
4141 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4142 end of a PTY, if non-standard.])
4146 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4147 dnl You allocate a pty by opening /dev/ptc to get the master side.
4148 dnl To get the name of the slave side, you just ttyname() the master side.
4149 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4150 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4154 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4155 dnl multi-line AC_DEFINEs are hard. :(
4156 AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (false)])
4157 AC_DEFINE(PTY_NAME_SPRINTF, [])
4158 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4161 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4163 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4164 dnl Not used, because PTY_ITERATION is defined.
4165 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4166 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4167 dnl But we don't have to block SIGCHLD because it is blocked in the
4168 dnl implementation of grantpt.
4169 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4170 AC_DEFINE(PTY_NAME_SPRINTF, [])
4171 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4175 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4178 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4180 if test "x$ac_cv_func_grantpt" = xyes; then
4181 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4182 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4183 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4184 dnl to prevent sigchld_handler from intercepting the child's death.
4185 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptyname = 0; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); if (grantpt (fd) != -1 && unlockpt (fd) != -1) ptyname = ptsname(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (!ptyname) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
4186 dnl if HAVE_POSIX_OPENPT
4187 if test "x$ac_cv_func_posix_openpt" = xyes; then
4188 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4189 AC_DEFINE(PTY_NAME_SPRINTF, [])
4191 elif test "x$ac_cv_func_getpt" = xyes; then
4192 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4193 AC_DEFINE(PTY_NAME_SPRINTF, [])
4195 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4198 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4203 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4204 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4205 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4209 dnl It looks like this cannot be right, because it is not a loop.
4210 dnl However, process.c actually does this:
4216 dnl which presumably makes it OK, since irix == sgi (?).
4217 dnl FIXME it seems like this special treatment is unnecessary?
4218 dnl Why can't irix use a single-trip loop like eg cygwin?
4219 AC_DEFINE(PTY_ITERATION, [])
4220 dnl Not used, because PTY_ITERATION is defined.
4221 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4222 AC_DEFINE(PTY_OPEN, [ { struct sigaction ocstat, cstat; struct stat stb; char * name; sigemptyset(&cstat.sa_mask); cstat.sa_handler = SIG_DFL; cstat.sa_flags = 0; sigaction(SIGCHLD, &cstat, &ocstat); name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCHLD, &ocstat, (struct sigaction *)0); if (name == 0) return -1; if (fd < 0) return -1; if (fstat (fd, &stb) < 0) return -1; strcpy (pty_name, name); }])
4223 dnl No need to get the pty name at all.
4224 AC_DEFINE(PTY_NAME_SPRINTF, [])
4225 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4226 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4230 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4231 dnl from intercepting that death. If any child but grantpt's should die
4232 dnl within, it should be caught after sigrelse(2).
4233 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1 || unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
4237 dnl Comments are as per sol2*.
4238 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1) fatal("could not grant slave pty"); if (unlockpt(fd) == -1) fatal("could not unlock slave pty"); if (!(ptyname = ptsname(fd))) fatal ("could not enable slave pty"); snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
4245 dnl This change means that we don't loop through allocate_pty too
4246 dnl many times in the (rare) event of a failure.
4247 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4248 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4249 dnl Push various streams modules onto a PTY channel. Used in process.c.
4250 AC_DEFINE(SETUP_SLAVE_PTY, [if (ioctl (xforkin, I_PUSH, "ptem") == -1) fatal ("ioctl I_PUSH ptem"); if (ioctl (xforkin, I_PUSH, "ldterm") == -1) fatal ("ioctl I_PUSH ldterm"); if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) fatal ("ioctl I_PUSH ttcompat");], [How to set up a slave PTY, if needed.])
4255 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4256 "typing" a signal character on the pty.])
4259 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4260 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4261 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4262 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4265 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4266 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4267 gnu-linux | gnu-kfreebsd )
4269 AC_MSG_CHECKING([for signals via characters])
4270 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4271 #include <linux/version.h>
4272 #if LINUX_VERSION_CODE < 0x20400
4273 # error "Linux version too old"
4275 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4277 AC_MSG_RESULT([$emacs_signals_via_chars])
4278 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4283 AH_TEMPLATE(TAB3, [Undocumented.])
4286 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4288 gnu | dragonfly | freebsd | netbsd | openbsd )
4289 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4290 AC_DEFINE(TAB3, OXTABS)
4293 gnu-linux | gnu-kfreebsd )
4294 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4298 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4299 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4300 [Mark a secondary stack, like the register stack on the ia64.]), [])
4304 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4305 run_time_remap; for HPUX.])
4310 dnl This won't be used automatically yet. We also need to know, at least,
4311 dnl that the stack is continuous.
4312 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4313 registers relevant for conservative garbage collection in the jmp_buf.])
4317 dnl Not all the architectures are tested, but there are Debian packages
4318 dnl for SCM and/or Guile on them, so the technique must work. See also
4319 dnl comments in alloc.c concerning setjmp and gcc.
4320 dnl Fixme: it's probably safe to just use the GCC conditional below.
4321 gnu-linux | gnu-kfreebsd )
4322 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4323 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4324 || defined __alpha__ || defined __mips__ || defined __s390__ \
4325 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4326 || defined __ia64__ || defined __sh__
4329 # error "setjmp not known to work on this arch"
4331 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4336 if test x$GCC = xyes; then
4337 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4338 AC_DEFINE(GC_SETJMP_WORKS, 1)
4341 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4342 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4343 AC_DEFINE(GC_SETJMP_WORKS, 1)
4348 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4349 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4352 [[#include <setjmp.h>
4354 # define _longjmp longjmp
4359 _longjmp (j, 1);]])],
4360 [emacs_cv_func__setjmp=yes],
4361 [emacs_cv_func__setjmp=no])])
4362 if test $emacs_cv_func__setjmp = yes; then
4363 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4365 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4368 [[#include <setjmp.h>
4371 if (! sigsetjmp (j, 1))
4372 siglongjmp (j, 1);]])],
4373 [emacs_cv_func_sigsetjmp=yes],
4374 [emacs_cv_func_sigsetjmp=no])])
4375 if test $emacs_cv_func_sigsetjmp = yes; then
4376 AC_DEFINE([HAVE_SIGSETJMP], 1,
4377 [Define to 1 if sigsetjmp and siglongjmp work.
4378 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4384 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4385 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4386 dnl and this is all we need.
4387 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4394 dnl Used in xfaces.c.
4395 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4396 some systems, where it requires time.h.])
4401 dnl Define symbols to identify the version of Unix this is.
4402 dnl Define all the symbols that apply correctly.
4403 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4404 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4405 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4406 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4411 dnl This symbol should be defined on AIX Version 3 ???????
4412 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4414 # error "_AIX not defined"
4416 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4420 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4424 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4425 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4426 dnl distinguish OS X from pure Darwin.
4427 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4430 gnu-linux | gnu-kfreebsd )
4432 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4437 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4442 AC_DEFINE(USG5_4, [])
4443 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4447 AC_DEFINE(DOS_NT, [])
4448 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4449 if test "x$ac_enable_checking" != "x" ; then
4450 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4456 AC_DEFINE(USG5_4, [])
4457 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4462 AC_DEFINE(USG5_4, [])
4466 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4469 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4470 emacs_cv_usable_FIONREAD=no
4474 emacs_cv_usable_FIONREAD=yes
4479 [AC_LANG_PROGRAM([[#include <sys/types.h>
4480 #include <sys/ioctl.h>
4482 # include <sys/filio.h>
4485 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4486 [emacs_cv_usable_FIONREAD=yes],
4487 [emacs_cv_usable_FIONREAD=no])
4490 if test $emacs_cv_usable_FIONREAD = yes; then
4491 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4493 if test $emacs_broken_SIGIO = no; then
4494 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4496 [AC_LANG_PROGRAM([[#include <fcntl.h>
4499 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4500 [emacs_cv_usable_SIGIO=yes],
4501 [emacs_cv_usable_SIGIO=no])],
4502 [emacs_cv_usable_SIGIO=yes],
4503 [emacs_cv_usable_SIGIO=no])
4504 if test $emacs_cv_usable_SIGIO = yes; then
4505 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4512 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4513 dnl and on Cygwin prior to version 1.7.24 that becomes the
4514 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4515 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4516 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4517 dnl needed starting with cygwin-1.7.24, and it is no longer
4518 dnl effective starting with glib-2.36. */
4520 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4521 G_SLICE environment variable to "always-malloc" at startup.])
4525 dnl It works to open the pty's tty in the parent (Emacs), then
4526 dnl close and reopen it in the child.
4527 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4528 works to open a pty's tty in the parent process, then close and
4529 reopen it in the child.])
4533 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4534 use VSUSP instead of VSWTCH.])
4538 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4543 # Set up the CFLAGS for real compilation, so we can substitute it.
4544 CFLAGS="$REAL_CFLAGS"
4545 CPPFLAGS="$REAL_CPPFLAGS"
4548 ## Hack to detect a buggy GCC version.
4549 if test "x$GCC" = xyes \
4550 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4551 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4552 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4553 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4556 version=$PACKAGE_VERSION
4558 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4559 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4560 [Short copyright string for this version of Emacs.])
4563 ### Specify what sort of things we'll be editing into Makefile and config.h.
4564 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4566 AC_SUBST(configuration)
4571 AC_SUBST(exec_prefix)
4574 AC_SUBST(sharedstatedir)
4575 AC_SUBST(libexecdir)
4579 AC_SUBST(standardlisppath)
4580 AC_SUBST(locallisppath)
4582 AC_SUBST(x_default_search_path)
4584 AC_SUBST(archlibdir)
4589 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4590 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4591 ## end of LIBX_BASE, but nothing ever set it.
4592 AC_SUBST(LD_SWITCH_X_SITE)
4593 AC_SUBST(C_SWITCH_X_SITE)
4594 AC_SUBST(GNUSTEP_CFLAGS)
4596 ## Used in lwlib/Makefile.in.
4597 AC_SUBST(X_TOOLKIT_TYPE)
4599 AC_SUBST(ns_appbindir)
4600 AC_SUBST(ns_appresdir)
4602 AC_SUBST(GNU_OBJC_CFLAGS)
4603 AC_SUBST(OTHER_FILES)
4605 if test -n "${term_header}"; then
4606 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4607 [Define to the header for the built-in window system.])
4610 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4611 [Define to the canonical Emacs configuration name.])
4612 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4613 [Define to the options passed to configure.])
4614 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4615 define this to include extra configuration information.])
4619 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4626 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4627 AC_DEFINE(HAVE_X_WINDOWS, 1,
4628 [Define to 1 if you want to use the X window system.])
4630 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4632 if test "$HAVE_XFT" = "yes"; then
4633 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4634 elif test "$HAVE_FREETYPE" = "yes"; then
4635 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4645 if test "${USE_X_TOOLKIT}" != "none" ; then
4647 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4648 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4649 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4650 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4651 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4655 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4656 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4660 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4661 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4662 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4666 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4667 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4670 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4673 AC_SUBST(WIDGET_OBJ)
4676 case "$USE_X_TOOLKIT" in
4677 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4678 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4679 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4681 AC_SUBST(TOOLKIT_LIBW)
4683 if test "${opsys}" != "mingw32"; then
4684 if test "$USE_X_TOOLKIT" = "none"; then
4685 LIBXT_OTHER="\$(LIBXSM)"
4687 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4690 AC_SUBST(LIBXT_OTHER)
4692 if test "${HAVE_X11}" = "yes" ; then
4693 AC_DEFINE(HAVE_X11, 1,
4694 [Define to 1 if you want to use version 11 of X windows.])
4695 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4699 AC_SUBST(LIBX_OTHER)
4701 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4703 elif test "$USE_X_TOOLKIT" = none; then
4704 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4706 LIBXMENU='$(lwlibdir)/liblw.a'
4710 if test "${GNU_MALLOC}" = "yes" ; then
4711 AC_DEFINE(GNU_MALLOC, 1,
4712 [Define to 1 if you want to use the GNU memory allocator.])
4716 if test "${REL_ALLOC}" = "yes" ; then
4717 AC_DEFINE(REL_ALLOC, 1,
4718 [Define REL_ALLOC if you want to use the relocating allocator for
4721 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4723 AC_SUBST(RALLOC_OBJ)
4725 if test "$opsys" = "cygwin"; then
4726 CYGWIN_OBJ="sheap.o cygw32.o"
4727 ## Cygwin differs because of its unexec().
4729 POST_ALLOC_OBJ=lastfile.o
4730 elif test "$opsys" = "mingw32"; then
4733 POST_ALLOC_OBJ=lastfile.o
4736 PRE_ALLOC_OBJ=lastfile.o
4739 AC_SUBST(CYGWIN_OBJ)
4740 AC_SUBST(PRE_ALLOC_OBJ)
4741 AC_SUBST(POST_ALLOC_OBJ)
4743 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4744 dnl verbatim defined above. The tricky name is apropos, as this hack
4745 dnl makes Fortify go sour!
4746 AH_VERBATIM([FORTIFY_SOUR],
4747 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4748 The workaround disables some useful run-time checking, so it
4749 should be conditional to the platforms with the performance bug.
4750 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4751 #if defined __APPLE__ && defined __GNUC__
4752 # ifndef _DONT_USE_CTYPE_INLINE_
4753 # define _DONT_USE_CTYPE_INLINE_
4755 # ifndef _FORTIFY_SOURCE
4756 # define _FORTIFY_SOURCE 0
4761 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4762 # it temporarily reverts them to their pre-pkg-config values,
4763 # because gnulib needs to work with both src (which uses the
4764 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4765 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4766 # and it therefore needs to run in an environment where LIBS does not
4767 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4768 # for some package unrelated to lib-src.
4771 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4772 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4773 gl_ASSERT_NO_GNULIB_POSIXCHECK
4774 gl_ASSERT_NO_GNULIB_TESTS
4779 if test "${opsys}" = "mingw32"; then
4780 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4781 # Remove unneeded switches from the value of CC that goes to Makefiles
4782 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4786 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4789 ## The -headerpad option tells ld (see man page) to leave room at the
4790 ## end of the header for adding load commands. Needed for dumping.
4791 ## 0x690 is the total size of 30 segment load commands (at 56
4792 ## each); under Cocoa 31 commands are required.
4793 if test "$HAVE_NS" = "yes"; then
4794 libs_nsgui="-framework AppKit"
4795 if test "$NS_IMPL_COCOA" = "yes"; then
4796 libs_nsgui="$libs_nsgui -framework IOKit"
4803 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4805 ## This is here because src/Makefile.in did some extra fiddling around
4806 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4807 ## LD_SWITCH_SYSTEM_TEMACS instead,
4808 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4809 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4812 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4813 ## find X at run-time.
4814 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4815 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4816 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4817 ## had different values in configure (in ac_link) and src/Makefile.in.
4818 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4819 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4822 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4823 case "$canonical" in
4824 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4825 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4829 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4831 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4834 if test x$ac_enable_profiling != x ; then
4836 *freebsd | gnu-linux) ;;
4837 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4841 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4843 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4845 ## MinGW-specific post-link processing of temacs.
4846 TEMACS_POST_LINK=":"
4849 if test "${opsys}" = "mingw32"; then
4850 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4851 ADDSECTION="../nt/addsection\$(EXEEXT)"
4852 ## Preload heap size of temacs.exe in MB.
4853 case "$canonical" in
4854 x86_64-*-*) C_HEAP_SWITCH="-DHEAPSIZE=18" ;;
4855 *) C_HEAP_SWITCH="-DHEAPSIZE=10" ;;
4859 AC_SUBST(ADDSECTION)
4860 AC_SUBST(TEMACS_POST_LINK)
4861 AC_SUBST(C_HEAP_SWITCH)
4863 ## Common for all window systems
4864 if test "$window_system" != "none"; then
4865 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4866 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4869 AC_SUBST(WINDOW_SYSTEM_OBJ)
4871 AH_TOP([/* GNU Emacs site configuration template file.
4873 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4874 Free Software Foundation, Inc.
4876 This file is part of GNU Emacs.
4878 GNU Emacs is free software: you can redistribute it and/or modify
4879 it under the terms of the GNU General Public License as published by
4880 the Free Software Foundation, either version 3 of the License, or
4881 (at your option) any later version.
4883 GNU Emacs is distributed in the hope that it will be useful,
4884 but WITHOUT ANY WARRANTY; without even the implied warranty of
4885 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4886 GNU General Public License for more details.
4888 You should have received a copy of the GNU General Public License
4889 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4892 /* No code in Emacs #includes config.h twice, but some bits of code
4893 intended to work with other packages as well (like gmalloc.c)
4894 think they can include it as many times as they like. */
4895 #ifndef EMACS_CONFIG_H
4896 #define EMACS_CONFIG_H
4899 AH_BOTTOM([#include <conf_post.h>
4901 #endif /* EMACS_CONFIG_H */
4910 #### Report on what we decided to do.
4911 #### Report GTK as a toolkit, even if it doesn't use Xt.
4912 #### It makes printing result more understandable as using GTK sets
4913 #### toolkit_scroll_bars to yes by default.
4914 if test "${HAVE_GTK}" = "yes"; then
4915 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4918 if test $USE_ACL -ne 0; then
4919 ACL_SUMMARY="yes $LIB_ACL"
4925 Configured for \`${canonical}'.
4927 Where should the build process find the source code? ${srcdir}
4928 What compiler should emacs be built with? ${CC} ${CFLAGS}
4929 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4930 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4931 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4932 What window system should Emacs use? ${window_system}
4933 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4935 if test -n "${x_includes}"; then
4936 echo " Where do we find X Windows header files? ${x_includes}"
4938 echo " Where do we find X Windows header files? Standard dirs"
4940 if test -n "${x_libraries}"; then
4941 echo " Where do we find X Windows libraries? ${x_libraries}"
4943 echo " Where do we find X Windows libraries? Standard dirs"
4947 emacs_config_features=
4948 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
4949 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
4953 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
4954 *) eval val=\${HAVE_$opt} ;;
4956 test x"$val" = xno && continue
4957 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
4960 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
4961 [Summary of some of the main features enabled by configure.])
4963 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4964 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4965 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4966 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4967 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4968 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
4969 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4970 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4972 echo " Does Emacs support sound? ${HAVE_SOUND}"
4974 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4975 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4976 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4977 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4978 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4979 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
4980 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4981 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4982 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4984 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4985 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4986 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4987 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4988 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4990 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4993 if test -n "${EMACSDATA}"; then
4994 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4996 if test -n "${EMACSDOC}"; then
4997 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5002 if test "$HAVE_NS" = "yes"; then
5004 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5005 The installed application will go to nextstep/Emacs.app and can be
5006 run or moved from there."
5007 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5008 echo "The application will be fully self-contained."
5010 echo "The lisp resources for the application will be installed under ${prefix}.
5011 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5012 to run if these resources are not installed."
5017 if test "${opsys}" = "cygwin"; then
5019 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5025 # Remove any trailing slashes in these variables.
5026 [test "${prefix}" != NONE &&
5027 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5028 test "${exec_prefix}" != NONE &&
5029 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5031 if test "$HAVE_NS" = "yes"; then
5032 if test "$NS_IMPL_GNUSTEP" = yes; then
5033 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5034 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5035 ns_check_file=Resources/Info-gnustep.plist
5037 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5038 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5039 ns_check_file=Contents/Info.plist
5041 AC_SUBST(ns_check_file)
5044 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5045 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5046 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5047 dnl (else you get "no `Makefile.am' found for any configure output").
5048 dnl This will work, but you get a config.status that is not quite right
5049 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5050 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5051 dnl it seems better to just live with the duplication.
5052 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5054 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5055 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5056 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5057 leim/Makefile nextstep/Makefile nt/Makefile])
5059 dnl test/ is not present in release tarfiles.
5060 opt_makefile=test/automated/Makefile
5062 if test -f "$srcdir/$opt_makefile.in"; then
5063 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5064 dnl Again, it's best not to use a variable. Though you can add
5065 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5066 AC_CONFIG_FILES([test/automated/Makefile])
5070 dnl The admin/ directory used to be excluded from tarfiles.
5071 if test -d $srcdir/admin; then
5072 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5073 AC_CONFIG_FILES([admin/unidata/Makefile])
5074 AC_CONFIG_FILES([admin/grammars/Makefile])
5078 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5080 AC_SUBST(SUBDIR_MAKEFILES_IN)
5082 dnl You might wonder (I did) why epaths.h is generated by running make,
5083 dnl rather than just letting configure generate it from epaths.in.
5084 dnl One reason is that the various paths are not fully expanded (see above);
5085 dnl eg gamedir=${prefix}/var/games/emacs.
5086 dnl Secondly, the GNU Coding standards require that one should be able
5087 dnl to run `make prefix=/some/where/else' and override the values set
5088 dnl by configure. This also explains the `move-if-change' test and
5089 dnl the use of force in the `epaths-force' rule in Makefile.in.
5090 AC_CONFIG_COMMANDS([src/epaths.h], [
5091 if test "${opsys}" = "mingw32"; then
5092 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5094 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5096 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5098 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5099 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5101 AC_CONFIG_COMMANDS([src/.gdbinit], [
5102 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5103 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit