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067d23c9 KY |
1 | dnl Autoconf script for GNU Emacs |
2 | dnl To rebuild the `configure' script from this, execute the command | |
3 | dnl autoconf | |
4 | dnl in the directory containing this script. | |
5 | dnl If you changed any AC_DEFINES, also run autoheader. | |
6 | dnl | |
f3774f20 | 7 | dnl Copyright (C) 1994-1996, 1999-2012 Free Software Foundation, Inc. |
067d23c9 KY |
8 | dnl |
9 | dnl This file is part of GNU Emacs. | |
10 | dnl | |
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. | |
15 | dnl | |
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. | |
20 | dnl | |
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/>. | |
23 | ||
24 | AC_PREREQ(2.65) | |
b6928595 | 25 | AC_INIT(emacs, 24.2.50) |
067d23c9 KY |
26 | AC_CONFIG_HEADER(src/config.h:src/config.in) |
27 | AC_CONFIG_SRCDIR(src/lisp.h) | |
24e0f6b1 | 28 | AC_CONFIG_AUX_DIR(build-aux) |
7d732d1a GM |
29 | dnl Fairly arbitrary, older versions might work too. |
30 | AM_INIT_AUTOMAKE(1.11) | |
067d23c9 KY |
31 | |
32 | dnl Support for --program-prefix, --program-suffix and | |
33 | dnl --program-transform-name options | |
34 | AC_ARG_PROGRAM | |
35 | ||
36 | dnl It is important that variables on the RHS not be expanded here, | |
37 | dnl hence the single quotes. This is per the GNU coding standards, see | |
38 | dnl (autoconf) Installation Directory Variables | |
39 | dnl See also epaths.h below. | |
40 | lispdir='${datadir}/emacs/${version}/lisp' | |
d71dfe75 | 41 | leimdir='${datadir}/emacs/${version}/leim' |
ca26824c | 42 | standardlisppath='${lispdir}:${leimdir}' |
067d23c9 KY |
43 | locallisppath='${datadir}/emacs/${version}/site-lisp:'\ |
44 | '${datadir}/emacs/site-lisp' | |
ca26824c | 45 | lisppath='${locallisppath}:${standardlisppath}' |
067d23c9 KY |
46 | etcdir='${datadir}/emacs/${version}/etc' |
47 | archlibdir='${libexecdir}/emacs/${version}/${configuration}' | |
48 | docdir='${datadir}/emacs/${version}/etc' | |
49 | gamedir='${localstatedir}/games/emacs' | |
50 | ||
da3d2105 DA |
51 | dnl Special option to disable the most of other options. |
52 | AC_ARG_WITH(all, | |
53 | [AS_HELP_STRING([--without-all], | |
c30d4aef DA |
54 | [omit almost all features and build |
55 | small executable with minimal dependencies])], | |
da3d2105 DA |
56 | with_features=$withval, |
57 | with_features=yes) | |
c30d4aef | 58 | |
067d23c9 KY |
59 | dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING) |
60 | dnl Create a new --with option that defaults to being disabled. | |
61 | dnl NAME is the base name of the option. The shell variable with_NAME | |
62 | dnl will be set to either the user's value (if the option is | |
63 | dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the | |
64 | dnl option is not specified). Note that the shell variable name is | |
65 | dnl constructed as autoconf does, by replacing non-alphanumeric | |
66 | dnl characters with "_". | |
67 | dnl HELP-STRING is the help text for the option. | |
68 | AC_DEFUN([OPTION_DEFAULT_OFF], [dnl | |
69 | AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl | |
70 | m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl | |
71 | ])dnl | |
72 | ||
73 | dnl OPTION_DEFAULT_ON(NAME, HELP-STRING) | |
c30d4aef DA |
74 | dnl Create a new --with option that defaults to $enable_features. |
75 | dnl NAME is the base name of the option. The shell variable with_NAME | |
067d23c9 KY |
76 | dnl will be set either to 'no' (for a plain --without-NAME) or to |
77 | dnl 'yes' (if the option is not specified). Note that the shell | |
78 | dnl variable name is constructed as autoconf does, by replacing | |
79 | dnl non-alphanumeric characters with "_". | |
80 | dnl HELP-STRING is the help text for the option. | |
81 | AC_DEFUN([OPTION_DEFAULT_ON], [dnl | |
82 | AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl | |
da3d2105 | 83 | m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl |
067d23c9 KY |
84 | ])dnl |
85 | ||
86 | OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail]) | |
87 | if test "$with_pop" = yes; then | |
88 | AC_DEFINE(MAIL_USE_POP) | |
89 | fi | |
90 | AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl | |
91 | ||
92 | OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP]) | |
93 | if test "$with_kerberos" != no; then | |
94 | AC_DEFINE(KERBEROS) | |
95 | fi | |
96 | AH_TEMPLATE(KERBEROS, | |
97 | [Define to support Kerberos-authenticated POP mail retrieval.])dnl | |
98 | ||
99 | OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP]) | |
100 | if test "${with_kerberos5}" != no; then | |
101 | if test "${with_kerberos}" = no; then | |
102 | with_kerberos=yes | |
103 | AC_DEFINE(KERBEROS) | |
104 | fi | |
105 | AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.]) | |
106 | fi | |
107 | ||
108 | OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host]) | |
109 | dnl FIXME hesiod support may not be present, so it seems like an error | |
110 | dnl to define, or at least use, this unconditionally. | |
111 | if test "$with_hesiod" != no; then | |
112 | AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.]) | |
113 | fi | |
114 | ||
115 | OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes]) | |
116 | if test "$with_mmdf" != no; then | |
117 | AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.]) | |
118 | fi | |
119 | ||
120 | OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading]) | |
121 | if test "$with_mail_unlink" != no; then | |
122 | AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.]) | |
123 | fi | |
124 | ||
125 | AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME], | |
126 | [string giving default POP mail host])], | |
127 | AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.])) | |
128 | ||
129 | OPTION_DEFAULT_ON([sound],[don't compile with sound support]) | |
130 | ||
2af03429 | 131 | OPTION_DEFAULT_ON([sync-input],[don't process async input synchronously]) |
067d23c9 KY |
132 | if test "$with_sync_input" = yes; then |
133 | AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.]) | |
134 | fi | |
135 | ||
136 | dnl FIXME currently it is not the last. | |
137 | dnl This should be the last --with option, because --with-x is | |
138 | dnl added later on when we find the path of X, and it's best to | |
139 | dnl keep them together visually. | |
140 | AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT], | |
d673aedc | 141 | [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])], |
067d23c9 KY |
142 | [ case "${withval}" in |
143 | y | ye | yes ) val=gtk ;; | |
144 | n | no ) val=no ;; | |
145 | l | lu | luc | luci | lucid ) val=lucid ;; | |
146 | a | at | ath | athe | athen | athena ) val=athena ;; | |
147 | m | mo | mot | moti | motif ) val=motif ;; | |
148 | g | gt | gtk ) val=gtk ;; | |
d673aedc | 149 | gtk2 ) val=gtk2 ;; |
067d23c9 KY |
150 | gtk3 ) val=gtk3 ;; |
151 | * ) | |
152 | AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid; | |
d673aedc JD |
153 | this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk', |
154 | `gtk2' or `gtk3'. `yes' and `gtk' are synonyms. | |
155 | `athena' and `lucid' are synonyms.]) | |
067d23c9 KY |
156 | ;; |
157 | esac | |
158 | with_x_toolkit=$val | |
159 | ]) | |
160 | ||
81eafe29 PE |
161 | OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)]) |
162 | if test "$with_wide_int" = yes; then | |
163 | AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.]) | |
164 | fi | |
165 | ||
067d23c9 KY |
166 | dnl _ON results in a '--without' option in the --help output, so |
167 | dnl the help text should refer to "don't compile", etc. | |
168 | OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support]) | |
169 | OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support]) | |
170 | OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support]) | |
171 | OPTION_DEFAULT_ON([gif],[don't compile with GIF image support]) | |
172 | OPTION_DEFAULT_ON([png],[don't compile with PNG image support]) | |
173 | OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support]) | |
174 | OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support]) | |
175 | OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support]) | |
176 | ||
177 | OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts]) | |
178 | OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support]) | |
179 | OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping]) | |
180 | ||
181 | OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars]) | |
182 | OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d]) | |
183 | OPTION_DEFAULT_ON([xim],[don't use X11 XIM]) | |
b612ffc9 | 184 | OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system]) |
067d23c9 KY |
185 | |
186 | OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console]) | |
187 | OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support]) | |
188 | OPTION_DEFAULT_ON([gconf],[don't compile with GConf support]) | |
9851bfc5 | 189 | OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support]) |
067d23c9 KY |
190 | OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support]) |
191 | OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support]) | |
192 | ||
193 | ## For the times when you want to build Emacs but don't have | |
194 | ## a suitable makeinfo, and can live without the manuals. | |
195 | dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html | |
196 | OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals]) | |
197 | ||
6c269a38 PE |
198 | ## Makefile.in needs the cache file name. |
199 | AC_SUBST(cache_file) | |
200 | ||
067d23c9 KY |
201 | ## This is an option because I do not know if all info/man support |
202 | ## compressed files, nor how to test if they do so. | |
203 | OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages]) | |
204 | if test $with_compress_info = yes; then | |
205 | GZIP_INFO=yes | |
206 | else | |
207 | GZIP_INFO= | |
208 | fi | |
209 | AC_SUBST(GZIP_INFO) | |
210 | ||
211 | AC_ARG_WITH([pkg-config-prog],dnl | |
212 | [AS_HELP_STRING([--with-pkg-config-prog=PATH], | |
213 | [path to pkg-config for finding GTK and librsvg])]) | |
214 | if test "X${with_pkg_config_prog}" != X; then | |
215 | if test "${with_pkg_config_prog}" != yes; then | |
216 | PKG_CONFIG="${with_pkg_config_prog}" | |
217 | fi | |
218 | fi | |
219 | ||
220 | CRT_DIR= | |
221 | AC_ARG_WITH([crt-dir],dnl | |
222 | [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc. | |
223 | The default is /usr/lib, or /usr/lib64 on some platforms.])]) | |
224 | CRT_DIR="${with_crt_dir}" | |
225 | ||
4fc5868a UM |
226 | AC_ARG_WITH(gameuser,dnl |
227 | [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])]) | |
228 | test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \ | |
229 | && gameuser="${with_gameuser}" | |
230 | test "X$gameuser" = X && gameuser=games | |
231 | ||
067d23c9 KY |
232 | AC_ARG_WITH([gnustep-conf],dnl |
233 | [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])]) | |
234 | test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \ | |
235 | GNUSTEP_CONFIG_FILE="${with_gnustep_conf}" | |
236 | test "X$GNUSTEP_CONFIG_FILE" = "X" && \ | |
237 | GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf | |
238 | ||
239 | AC_ARG_ENABLE(ns-self-contained, | |
240 | [AS_HELP_STRING([--disable-ns-self-contained], | |
241 | [disable self contained build under NeXTstep])], | |
242 | EN_NS_SELF_CONTAINED=$enableval, | |
243 | EN_NS_SELF_CONTAINED=yes) | |
244 | ||
067d23c9 KY |
245 | AC_ARG_ENABLE(locallisppath, |
246 | [AS_HELP_STRING([--enable-locallisppath=PATH], | |
247 | [directories Emacs should search for lisp files specific | |
248 | to this site])], | |
249 | if test "${enableval}" = "no"; then | |
250 | locallisppath= | |
251 | elif test "${enableval}" != "yes"; then | |
252 | locallisppath=${enableval} | |
253 | fi) | |
254 | ||
255 | AC_ARG_ENABLE(checking, | |
256 | [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@], | |
257 | [enable expensive run-time checks. With LIST, | |
258 | enable only specific categories of checks. | |
259 | Categories are: all,yes,no. | |
260 | Flags are: stringbytes, stringoverrun, stringfreelist, | |
e509cfa6 | 261 | xmallocoverrun, conslist, glyphs])], |
067d23c9 KY |
262 | [ac_checking_flags="${enableval}"],[]) |
263 | IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," | |
264 | for check in $ac_checking_flags | |
265 | do | |
266 | case $check in | |
267 | # these set all the flags to specific states | |
268 | yes) ac_enable_checking=1 ;; | |
269 | no) ac_enable_checking= ; | |
270 | ac_gc_check_stringbytes= ; | |
271 | ac_gc_check_string_overrun= ; | |
272 | ac_gc_check_string_free_list= ; | |
273 | ac_xmalloc_overrun= ; | |
e509cfa6 | 274 | ac_gc_check_cons_list= ; |
94eb8e0a | 275 | ac_glyphs_debug= ;; |
067d23c9 KY |
276 | all) ac_enable_checking=1 ; |
277 | ac_gc_check_stringbytes=1 ; | |
278 | ac_gc_check_string_overrun=1 ; | |
279 | ac_gc_check_string_free_list=1 ; | |
280 | ac_xmalloc_overrun=1 ; | |
e509cfa6 | 281 | ac_gc_check_cons_list=1 ; |
94eb8e0a | 282 | ac_glyphs_debug=1 ;; |
067d23c9 KY |
283 | # these enable particular checks |
284 | stringbytes) ac_gc_check_stringbytes=1 ;; | |
285 | stringoverrun) ac_gc_check_string_overrun=1 ;; | |
286 | stringfreelist) ac_gc_check_string_free_list=1 ;; | |
287 | xmallocoverrun) ac_xmalloc_overrun=1 ;; | |
288 | conslist) ac_gc_check_cons_list=1 ;; | |
94eb8e0a | 289 | glyphs) ac_glyphs_debug=1 ;; |
067d23c9 KY |
290 | *) AC_MSG_ERROR(unknown check category $check) ;; |
291 | esac | |
292 | done | |
293 | IFS="$ac_save_IFS" | |
294 | ||
295 | if test x$ac_enable_checking != x ; then | |
296 | AC_DEFINE(ENABLE_CHECKING, 1, | |
a54e2c05 | 297 | [Define to 1 if expensive run-time data type and consistency checks are enabled.]) |
067d23c9 KY |
298 | fi |
299 | if test x$ac_gc_check_stringbytes != x ; then | |
300 | AC_DEFINE(GC_CHECK_STRING_BYTES, 1, | |
301 | [Define this temporarily to hunt a bug. If defined, the size of | |
302 | strings is redundantly recorded in sdata structures so that it can | |
303 | be compared to the sizes recorded in Lisp strings.]) | |
304 | fi | |
40697cd9 | 305 | if test x$ac_gc_check_string_overrun != x ; then |
067d23c9 KY |
306 | AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1, |
307 | [Define this to check for short string overrun.]) | |
308 | fi | |
309 | if test x$ac_gc_check_string_free_list != x ; then | |
310 | AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1, | |
311 | [Define this to check the string free list.]) | |
312 | fi | |
313 | if test x$ac_xmalloc_overrun != x ; then | |
314 | AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1, | |
315 | [Define this to check for malloc buffer overrun.]) | |
316 | fi | |
317 | if test x$ac_gc_check_cons_list != x ; then | |
318 | AC_DEFINE(GC_CHECK_CONS_LIST, 1, | |
319 | [Define this to check for errors in cons list.]) | |
320 | fi | |
94eb8e0a | 321 | if test x$ac_glyphs_debug != x ; then |
e509cfa6 DA |
322 | AC_DEFINE(GLYPH_DEBUG, 1, |
323 | [Define this to enable glyphs debugging code.]) | |
324 | fi | |
067d23c9 | 325 | |
646b5f55 AS |
326 | AC_ARG_ENABLE(check-lisp-object-type, |
327 | [AS_HELP_STRING([--enable-check-lisp-object-type], | |
328 | [enable compile time checks for the Lisp_Object data type. | |
329 | This is useful for development for catching certain types of bugs.])], | |
067d23c9 | 330 | if test "${enableval}" != "no"; then |
646b5f55 AS |
331 | AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1, |
332 | [Define this to enable compile time checks for the Lisp_Object data type.]) | |
067d23c9 KY |
333 | fi) |
334 | ||
335 | ||
336 | AC_ARG_ENABLE(profiling, | |
337 | [AS_HELP_STRING([--enable-profiling], | |
338 | [build emacs with profiling support. | |
339 | This might not work on all platforms])], | |
340 | [ac_enable_profiling="${enableval}"],[]) | |
341 | if test x$ac_enable_profiling != x ; then | |
342 | PROFILING_CFLAGS="-DPROFILING=1 -pg" | |
343 | else | |
344 | PROFILING_CFLAGS= | |
345 | fi | |
346 | AC_SUBST(PROFILING_CFLAGS) | |
347 | ||
348 | AC_ARG_ENABLE(autodepend, | |
349 | [AS_HELP_STRING([--enable-autodepend], | |
350 | [automatically generate dependencies to .h-files. | |
351 | Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is | |
352 | found])], | |
353 | [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes]) | |
354 | ||
355 | #### Make srcdir absolute, if it isn't already. It's important to | |
356 | #### avoid running the path through pwd unnecessarily, since pwd can | |
357 | #### give you automounter prefixes, which can go away. We do all this | |
358 | #### so Emacs can find its files when run uninstalled. | |
359 | ## Make sure CDPATH doesn't affect cd (in case PWD is relative). | |
360 | unset CDPATH | |
361 | case "${srcdir}" in | |
362 | /* ) ;; | |
363 | . ) | |
364 | ## We may be able to use the $PWD environment variable to make this | |
365 | ## absolute. But sometimes PWD is inaccurate. | |
366 | ## Note: we used to use ${PWD} at the end instead of `pwd`, | |
367 | ## but that tested only for a well-formed and valid PWD, | |
368 | ## it did not object when PWD was well-formed and valid but just wrong. | |
369 | if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ; | |
370 | then | |
371 | srcdir="$PWD" | |
372 | else | |
373 | srcdir="`(cd ${srcdir}; pwd)`" | |
374 | fi | |
375 | ;; | |
376 | * ) srcdir="`(cd ${srcdir}; pwd)`" ;; | |
377 | esac | |
378 | ||
067d23c9 KY |
379 | ### Canonicalize the configuration name. |
380 | ||
381 | AC_CANONICAL_HOST | |
382 | canonical=$host | |
383 | configuration=${host_alias-${build_alias-$host}} | |
384 | ||
385 | dnl This used to use changequote, but, apart from `changequote is evil' | |
386 | dnl per the autoconf manual, we can speed up autoconf somewhat by quoting | |
387 | dnl the great gob of text. Thus it's not processed for possible expansion. | |
388 | dnl Just make sure the brackets remain balanced. | |
389 | dnl | |
390 | dnl Since Emacs can't find matching pairs of quotes, boundaries are | |
391 | dnl indicated by comments. | |
392 | dnl quotation begins | |
393 | [ | |
394 | ||
395 | ### If you add support for a new configuration, add code to this | |
396 | ### switch statement to recognize your configuration name and select | |
34374650 | 397 | ### the appropriate operating system file. |
067d23c9 | 398 | |
34374650 | 399 | ### You would hope that you could choose an s/*.h |
067d23c9 | 400 | ### file based on the operating system portion. However, it turns out |
34374650 | 401 | ### that each s/*.h file is pretty manufacturer-specific. |
067d23c9 KY |
402 | ### So we basically have to have a special case for each |
403 | ### configuration name. | |
404 | ### | |
405 | ### As far as handling version numbers on operating systems is | |
406 | ### concerned, make sure things will fail in a fixable way. If | |
407 | ### /etc/MACHINES doesn't say anything about version numbers, be | |
408 | ### prepared to handle anything reasonably. If version numbers | |
409 | ### matter, be sure /etc/MACHINES says something about it. | |
410 | ||
34374650 | 411 | opsys='' unported=no |
067d23c9 KY |
412 | case "${canonical}" in |
413 | ||
695a3dc5 PE |
414 | ## GNU/Linux and similar ports |
415 | *-*-linux* ) | |
d6a003a8 | 416 | opsys=gnu-linux |
d6a003a8 AS |
417 | ;; |
418 | ||
067d23c9 KY |
419 | ## FreeBSD ports |
420 | *-*-freebsd* ) | |
421 | opsys=freebsd | |
067d23c9 KY |
422 | ;; |
423 | ||
424 | ## FreeBSD kernel + glibc based userland | |
425 | *-*-kfreebsd*gnu* ) | |
426 | opsys=gnu-kfreebsd | |
067d23c9 KY |
427 | ;; |
428 | ||
429 | ## NetBSD ports | |
430 | *-*-netbsd* ) | |
431 | opsys=netbsd | |
067d23c9 KY |
432 | ;; |
433 | ||
434 | ## OpenBSD ports | |
435 | *-*-openbsd* ) | |
436 | opsys=openbsd | |
067d23c9 KY |
437 | ;; |
438 | ||
067d23c9 KY |
439 | ## Apple Darwin / Mac OS X |
440 | *-apple-darwin* ) | |
441 | case "${canonical}" in | |
34374650 PE |
442 | i[3456]86-* ) ;; |
443 | powerpc-* ) ;; | |
444 | x86_64-* ) ;; | |
067d23c9 KY |
445 | * ) unported=yes ;; |
446 | esac | |
447 | opsys=darwin | |
136c45ee GM |
448 | ## Use fink packages if available. |
449 | ## FIXME find a better way to do this: http://debbugs.gnu.org/11507 | |
450 | ## if test -d /sw/include && test -d /sw/lib; then | |
451 | ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib" | |
452 | ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS} | |
453 | ## fi | |
067d23c9 KY |
454 | ;; |
455 | ||
456 | ## HP 9000 series 700 and 800, running HP/UX | |
457 | hppa*-hp-hpux10.2* ) | |
d6a003a8 | 458 | opsys=hpux10-20 |
067d23c9 KY |
459 | ;; |
460 | hppa*-hp-hpux1[1-9]* ) | |
d6a003a8 | 461 | opsys=hpux11 |
067d23c9 KY |
462 | CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS" |
463 | ;; | |
464 | ||
067d23c9 | 465 | ## IBM machines |
067d23c9 | 466 | rs6000-ibm-aix4.[23]* ) |
34374650 | 467 | opsys=aix4-2 |
067d23c9 KY |
468 | ;; |
469 | powerpc-ibm-aix4.[23]* ) | |
34374650 | 470 | opsys=aix4-2 |
067d23c9 KY |
471 | ;; |
472 | rs6000-ibm-aix[56]* ) | |
34374650 | 473 | opsys=aix4-2 |
067d23c9 KY |
474 | ;; |
475 | powerpc-ibm-aix[56]* ) | |
34374650 | 476 | opsys=aix4-2 |
067d23c9 KY |
477 | ;; |
478 | ||
067d23c9 KY |
479 | ## Silicon Graphics machines |
480 | ## Iris 4D | |
481 | mips-sgi-irix6.5 ) | |
76b397fb | 482 | opsys=irix6-5 |
067d23c9 KY |
483 | # Without defining _LANGUAGE_C, things get masked out in the headers |
484 | # so that, for instance, grepping for `free' in stdlib.h fails and | |
485 | # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m). | |
067d23c9 KY |
486 | NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C" |
487 | ;; | |
488 | ||
489 | ## Suns | |
067d23c9 KY |
490 | *-sun-solaris* \ |
491 | | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \ | |
492 | | x86_64-*-solaris2* | x86_64-*-sunos5*) | |
493 | case "${canonical}" in | |
34374650 PE |
494 | i[3456]86-*-* ) ;; |
495 | amd64-*-*|x86_64-*-*) ;; | |
496 | sparc* ) ;; | |
067d23c9 KY |
497 | * ) unported=yes ;; |
498 | esac | |
499 | case "${canonical}" in | |
500 | *-sunos5.6* | *-solaris2.6* ) | |
501 | opsys=sol2-6 | |
067d23c9 KY |
502 | RANLIB="ar -ts" |
503 | ;; | |
504 | *-sunos5.[7-9]* | *-solaris2.[7-9]* ) | |
505 | opsys=sol2-6 | |
506 | emacs_check_sunpro_c=yes | |
067d23c9 KY |
507 | ;; |
508 | *-sunos5* | *-solaris* ) | |
509 | opsys=sol2-10 | |
510 | emacs_check_sunpro_c=yes | |
067d23c9 KY |
511 | ;; |
512 | esac | |
513 | ## Watch out for a compiler that we know will not work. | |
514 | case "${canonical}" in | |
515 | *-solaris* | *-sunos5* ) | |
516 | if [ "x$CC" = x/usr/ucb/cc ]; then | |
517 | ## /usr/ucb/cc doesn't work; | |
518 | ## we should find some other compiler that does work. | |
519 | unset CC | |
520 | fi | |
521 | ;; | |
522 | *) ;; | |
523 | esac | |
524 | ;; | |
525 | ||
067d23c9 KY |
526 | ## Intel 386 machines where we don't care about the manufacturer. |
527 | i[3456]86-*-* ) | |
067d23c9 KY |
528 | case "${canonical}" in |
529 | *-cygwin ) opsys=cygwin ;; | |
27cb7be2 | 530 | *-darwin* ) opsys=darwin ;; |
f04940ae PE |
531 | *-sysv4.2uw* ) opsys=unixware ;; |
532 | *-sysv5uw* ) opsys=unixware ;; | |
533 | *-sysv5OpenUNIX* ) opsys=unixware ;; | |
067d23c9 KY |
534 | ## Otherwise, we'll fall through to the generic opsys code at the bottom. |
535 | esac | |
536 | ;; | |
537 | ||
067d23c9 KY |
538 | * ) |
539 | unported=yes | |
540 | ;; | |
541 | esac | |
542 | ||
543 | ### If the code above didn't choose an operating system, just choose | |
544 | ### an operating system based on the configuration name. You really | |
545 | ### only want to use this when you have no idea what the right | |
546 | ### operating system is; if you know what operating systems a machine | |
547 | ### runs, it's cleaner to make it explicit in the case statement | |
548 | ### above. | |
549 | if test x"${opsys}" = x; then | |
550 | case "${canonical}" in | |
551 | *-gnu* ) opsys=gnu ;; | |
552 | * ) | |
553 | unported=yes | |
554 | ;; | |
555 | esac | |
556 | fi | |
557 | ||
558 | ] | |
559 | dnl quotation ends | |
560 | ||
561 | if test $unported = yes; then | |
562 | AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems. | |
563 | Check `etc/MACHINES' for recognized configuration names.]) | |
564 | fi | |
565 | ||
067d23c9 KY |
566 | |
567 | #### Choose a compiler. | |
27cb7be2 | 568 | |
067d23c9 KY |
569 | dnl Sets GCC=yes if using gcc. |
570 | AC_PROG_CC | |
9a514d4a PE |
571 | AM_PROG_CC_C_O |
572 | ||
067d23c9 KY |
573 | if test x$GCC = xyes; then |
574 | test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS" | |
575 | else | |
576 | test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS" | |
577 | fi | |
578 | ||
f04940ae PE |
579 | # Initialize gnulib right after choosing the compiler. |
580 | gl_EARLY | |
581 | ||
6e8aca60 PE |
582 | # It's helpful to have C macros available to GDB, so prefer -g3 to -g |
583 | # if -g3 works and the user does not specify CFLAGS. | |
584 | # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains. | |
585 | if test "$ac_test_CFLAGS" != set; then | |
586 | case $CFLAGS in | |
587 | '-g') | |
588 | emacs_g3_CFLAGS='-g3';; | |
589 | '-g -O2') | |
590 | emacs_g3_CFLAGS='-g3 -O2';; | |
591 | *) | |
592 | emacs_g3_CFLAGS='';; | |
593 | esac | |
594 | if test -n "$emacs_g3_CFLAGS"; then | |
595 | emacs_save_CFLAGS=$CFLAGS | |
596 | CFLAGS=$emacs_g3_CFLAGS | |
597 | AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS], | |
598 | [emacs_cv_prog_cc_g3], | |
599 | [AC_LINK_IFELSE([AC_LANG_PROGRAM()], | |
600 | [emacs_cv_prog_cc_g3=yes], | |
601 | [emacs_cv_prog_cc_g3=no])]) | |
602 | if test $emacs_cv_prog_cc_g3 = yes; then | |
603 | CFLAGS=$emacs_g3_CFLAGS | |
604 | else | |
605 | CFLAGS=$emacs_save_CFLAGS | |
606 | fi | |
607 | fi | |
608 | fi | |
609 | ||
b8df54ff PE |
610 | AC_ARG_ENABLE([gcc-warnings], |
611 | [AS_HELP_STRING([--enable-gcc-warnings], | |
f5c08e17 PE |
612 | [turn on lots of GCC warnings. This is intended for |
613 | developers, and may generate false alarms when used | |
614 | with older or non-GNU development tools.])], | |
b8df54ff PE |
615 | [case $enableval in |
616 | yes|no) ;; | |
617 | *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;; | |
618 | esac | |
619 | gl_gcc_warnings=$enableval], | |
620 | [gl_gcc_warnings=no] | |
621 | ) | |
622 | ||
94eb8e0a DA |
623 | AC_ARG_ENABLE(link-time-optimization, |
624 | [AS_HELP_STRING([--enable-link-time-optimization], | |
625 | [build emacs with link-time optimization. | |
626 | This is supported only for GCC since 4.5.0.])], | |
627 | if test "${enableval}" != "no"; then | |
628 | AC_MSG_CHECKING([whether link-time optimization is supported]) | |
629 | ac_lto_supported=no | |
630 | if test x$GCC = xyes; then | |
631 | CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null` | |
632 | if test x$CPUS != x; then | |
633 | LTO="-flto=$CPUS" | |
634 | else | |
635 | LTO="-flto" | |
f5c08e17 | 636 | fi |
94eb8e0a DA |
637 | old_CFLAGS=$CFLAGS |
638 | CFLAGS="$CFLAGS $LTO" | |
639 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], | |
640 | [ac_lto_supported=yes], [ac_lto_supported=no]) | |
641 | CFLAGS="$old_CFLAGS" | |
642 | fi | |
643 | AC_MSG_RESULT([$ac_lto_supported]) | |
644 | if test "$ac_lto_supported" = "yes"; then | |
645 | CFLAGS="$CFLAGS $LTO" | |
646 | fi | |
647 | fi) | |
648 | ||
b8df54ff PE |
649 | # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found]) |
650 | # ------------------------------------------------ | |
651 | # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND. | |
652 | # Otherwise, run RUN-IF-NOT-FOUND. | |
653 | AC_DEFUN([gl_GCC_VERSION_IFELSE], | |
654 | [AC_PREPROC_IFELSE( | |
655 | [AC_LANG_PROGRAM( | |
656 | [[ | |
657 | #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__) | |
658 | /* ok */ | |
659 | #else | |
660 | # error "your version of gcc is older than $1.$2" | |
661 | #endif | |
662 | ]]), | |
663 | ], [$3], [$4]) | |
664 | ] | |
665 | ) | |
666 | ||
667 | # When compiling with GCC, prefer -isystem to -I when including system | |
668 | # include files, to avoid generating useless diagnostics for the files. | |
669 | if test "$gl_gcc_warnings" != yes; then | |
670 | isystem='-I' | |
671 | else | |
672 | isystem='-isystem ' | |
673 | ||
674 | # This, $nw, is the list of warnings we disable. | |
675 | nw= | |
676 | ||
677 | case $with_x_toolkit in | |
678 | lucid | athena | motif) | |
679 | # Old toolkits mishandle 'const'. | |
680 | nw="$nw -Wwrite-strings" | |
681 | ;; | |
682 | *) | |
683 | gl_WARN_ADD([-Werror], [WERROR_CFLAGS]) | |
684 | ;; | |
685 | esac | |
686 | AC_SUBST([WERROR_CFLAGS]) | |
687 | ||
688 | nw="$nw -Waggregate-return" # anachronistic | |
a74e8e38 | 689 | nw="$nw -Wlong-long" # C90 is anachronistic |
b8df54ff PE |
690 | nw="$nw -Wc++-compat" # We don't care about C++ compilers |
691 | nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib | |
692 | nw="$nw -Wtraditional" # Warns on #elif which we use often | |
693 | nw="$nw -Wcast-qual" # Too many warnings for now | |
694 | nw="$nw -Wconversion" # Too many warnings for now | |
695 | nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings | |
696 | nw="$nw -Wsign-conversion" # Too many warnings for now | |
697 | nw="$nw -Woverlength-strings" # Not a problem these days | |
698 | nw="$nw -Wtraditional-conversion" # Too many warnings for now | |
6045c4fd | 699 | nw="$nw -Wunreachable-code" # so buggy that it's now silently ignored |
b8df54ff | 700 | nw="$nw -Wpadded" # Our structs are not padded |
6045c4fd | 701 | nw="$nw -Wredundant-decls" # we regularly (re)declare functions |
b8df54ff | 702 | nw="$nw -Wlogical-op" # any use of fwrite provokes this |
6045c4fd | 703 | nw="$nw -Wformat-nonliteral" # we do this a lot |
b8df54ff PE |
704 | nw="$nw -Wvla" # warnings in gettext.h |
705 | nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__ | |
706 | nw="$nw -Wswitch-enum" # Too many warnings for now | |
707 | nw="$nw -Wswitch-default" # Too many warnings for now | |
6045c4fd PE |
708 | nw="$nw -Wfloat-equal" # warns about high-quality code |
709 | nw="$nw -Winline" # OK to ignore 'inline' | |
79a7bafe | 710 | nw="$nw -Wjump-misses-init" # We sometimes safely jump over init. |
6045c4fd PE |
711 | nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning |
712 | nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations | |
b8df54ff PE |
713 | |
714 | # Emacs doesn't care about shadowing; see | |
715 | # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>. | |
716 | nw="$nw -Wshadow" | |
717 | ||
718 | # The following lines should be removable at some point. | |
e36899b6 PE |
719 | nw="$nw -Wstack-protector" |
720 | nw="$nw -Wstrict-overflow" | |
b8df54ff PE |
721 | nw="$nw -Wsuggest-attribute=pure" |
722 | ||
723 | gl_MANYWARN_ALL_GCC([ws]) | |
724 | gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw]) | |
725 | for w in $ws; do | |
726 | gl_WARN_ADD([$w]) | |
727 | done | |
728 | gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one | |
729 | gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now | |
730 | gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now | |
731 | gl_WARN_ADD([-Wno-switch]) # Too many warnings for now | |
732 | gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now | |
733 | gl_WARN_ADD([-Wno-format-nonliteral]) | |
734 | ||
735 | # In spite of excluding -Wlogical-op above, it is enabled, as of | |
736 | # gcc 4.5.0 20090517. | |
737 | gl_WARN_ADD([-Wno-logical-op]) | |
738 | ||
739 | gl_WARN_ADD([-fdiagnostics-show-option]) | |
740 | gl_WARN_ADD([-funit-at-a-time]) | |
741 | ||
b8df54ff | 742 | AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.]) |
2d3800d2 PE |
743 | AH_VERBATIM([FORTIFY_SOURCE], |
744 | [/* Enable compile-time and run-time bounds-checking, and some warnings, | |
745 | without upsetting glibc 2.15+. */ | |
746 | #if defined __OPTIMIZE__ && __OPTIMIZE__ | |
747 | # define _FORTIFY_SOURCE 2 | |
748 | #endif | |
749 | ]) | |
b8df54ff PE |
750 | AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks]) |
751 | ||
752 | # We use a slightly smaller set of warning options for lib/. | |
753 | # Remove the following and save the result in GNULIB_WARN_CFLAGS. | |
754 | nw= | |
755 | nw="$nw -Wunused-macros" | |
756 | ||
757 | gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw]) | |
758 | AC_SUBST([GNULIB_WARN_CFLAGS]) | |
067d23c9 | 759 | fi |
067d23c9 | 760 | |
067d23c9 KY |
761 | |
762 | ||
f04940ae PE |
763 | dnl Some other nice autoconf tests. |
764 | dnl These are commented out, since gl_EARLY and/or Autoconf already does them. | |
765 | dnl AC_PROG_INSTALL | |
766 | dnl AC_PROG_MKDIR_P | |
767 | dnl if test "x$RANLIB" = x; then | |
768 | dnl AC_PROG_RANLIB | |
769 | dnl fi | |
9aa0092c | 770 | AC_PROG_LN_S |
067d23c9 | 771 | |
0e7a053e PE |
772 | AC_PATH_PROG(INSTALL_INFO, install-info, :, |
773 | $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin) | |
067d23c9 KY |
774 | dnl Don't use GZIP, which is used by gzip for additional parameters. |
775 | AC_PATH_PROG(GZIP_PROG, gzip) | |
776 | ||
0b6b25d5 GM |
777 | if test $opsys = gnu-linux; then |
778 | AC_PATH_PROG(PAXCTL, paxctl,, | |
779 | [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin]) | |
32d9ba9a UM |
780 | if test "X$PAXCTL" != X; then |
781 | AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header]) | |
782 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], | |
783 | [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes) | |
784 | else AC_MSG_RESULT(no); PAXCTL=""; fi]) | |
785 | fi | |
0b6b25d5 | 786 | fi |
067d23c9 | 787 | |
23df914b | 788 | ## Need makeinfo >= 4.7 (?) to build the manuals. |
067d23c9 KY |
789 | AC_PATH_PROG(MAKEINFO, makeinfo, no) |
790 | dnl By this stage, configure has already checked for egrep and set EGREP, | |
791 | dnl or exited with an error if no egrep was found. | |
792 | if test "$MAKEINFO" != "no" && \ | |
23df914b | 793 | test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'`" = x; then |
067d23c9 KY |
794 | MAKEINFO=no |
795 | fi | |
796 | ||
797 | ## Makeinfo is unusual. For a released Emacs, the manuals are | |
798 | ## pre-built, and not deleted by the normal clean rules. makeinfo is | |
799 | ## therefore in the category of "special tools" not normally required, which | |
800 | ## configure does not have to check for (eg autoconf itself). | |
801 | ## In a Bazaar checkout on the other hand, the manuals are not included. | |
802 | ## So makeinfo is a requirement to build from Bazaar, and configure | |
803 | ## should test for it as it does for any other build requirement. | |
804 | ## We use the presence of $srcdir/info/emacs to distinguish a release, | |
805 | ## with pre-built manuals, from a Bazaar checkout. | |
e5365138 GM |
806 | HAVE_MAKEINFO=yes |
807 | ||
067d23c9 | 808 | if test "$MAKEINFO" = "no"; then |
e5365138 | 809 | MAKEINFO=makeinfo |
067d23c9 | 810 | if test "x${with_makeinfo}" = "xno"; then |
e5365138 | 811 | HAVE_MAKEINFO=no |
067d23c9 | 812 | elif test ! -e $srcdir/info/emacs; then |
23df914b | 813 | AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your |
067d23c9 KY |
814 | source tree does not seem to have pre-built manuals in the `info' directory. |
815 | Either install a suitable version of makeinfo, or re-run configure | |
816 | with the `--without-makeinfo' option to build without the manuals.] ) | |
817 | fi | |
818 | fi | |
e5365138 | 819 | AC_SUBST(HAVE_MAKEINFO) |
067d23c9 | 820 | |
8045b906 GM |
821 | dnl Just so that there is only a single place we need to edit. |
822 | INFO_EXT=.info | |
823 | INFO_OPTS=--no-split | |
824 | AC_SUBST(INFO_EXT) | |
825 | AC_SUBST(INFO_OPTS) | |
826 | ||
067d23c9 KY |
827 | dnl Add our options to ac_link now, after it is set up. |
828 | ||
829 | if test x$GCC = xyes; then | |
830 | test "x$GCC_LINK_TEST_OPTIONS" != x && \ | |
831 | ac_link="$ac_link $GCC_LINK_TEST_OPTIONS" | |
832 | else | |
833 | test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \ | |
834 | ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS" | |
835 | fi | |
836 | ||
837 | dnl We need -znocombreloc if we're using a relatively recent GNU ld. | |
838 | dnl If we can link with the flag, it shouldn't do any harm anyhow. | |
839 | dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.) | |
840 | dnl Treat GCC specially since it just gives a non-fatal `unrecognized option' | |
841 | dnl if not built to support GNU ld. | |
842 | ||
843 | late_LDFLAGS=$LDFLAGS | |
844 | if test x$GCC = xyes; then | |
845 | LDFLAGS="$LDFLAGS -Wl,-znocombreloc" | |
846 | else | |
847 | LDFLAGS="$LDFLAGS -znocombreloc" | |
848 | fi | |
849 | ||
850 | AC_MSG_CHECKING([for -znocombreloc]) | |
851 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], | |
852 | [AC_MSG_RESULT(yes)], | |
853 | LDFLAGS=$late_LDFLAGS | |
854 | [AC_MSG_RESULT(no)]) | |
855 | ||
856 | ||
067d23c9 KY |
857 | dnl The function dump-emacs will not be defined and temacs will do |
858 | dnl (load "loadup") automatically unless told otherwise. | |
4004ef46 | 859 | test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no |
067d23c9 | 860 | case "$opsys" in |
4004ef46 | 861 | your-opsys-here) CANNOT_DUMP=yes ;; |
067d23c9 | 862 | esac |
4004ef46 GM |
863 | |
864 | test "$CANNOT_DUMP" = "yes" && \ | |
865 | AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.]) | |
866 | ||
067d23c9 KY |
867 | AC_SUBST(CANNOT_DUMP) |
868 | ||
869 | ||
870 | UNEXEC_OBJ=unexelf.o | |
871 | case "$opsys" in | |
872 | # MSDOS uses unexcoff.o | |
873 | # MSWindows uses unexw32.o | |
874 | aix4-2) | |
875 | UNEXEC_OBJ=unexaix.o | |
876 | ;; | |
877 | cygwin) | |
878 | UNEXEC_OBJ=unexcw.o | |
879 | ;; | |
880 | darwin) | |
881 | UNEXEC_OBJ=unexmacosx.o | |
882 | ;; | |
883 | hpux10-20 | hpux11) | |
884 | UNEXEC_OBJ=unexhp9k800.o | |
885 | ;; | |
886 | sol2-10) | |
887 | # Use the Solaris dldump() function, called from unexsol.c, to dump | |
888 | # emacs, instead of the generic ELF dump code found in unexelf.c. | |
889 | # The resulting binary has a complete symbol table, and is better | |
890 | # for debugging and other observability tools (debuggers, pstack, etc). | |
b06b1098 | 891 | # |
067d23c9 KY |
892 | # If you encounter a problem using dldump(), please consider sending |
893 | # a message to the OpenSolaris tools-linking mailing list: | |
894 | # http://mail.opensolaris.org/mailman/listinfo/tools-linking | |
b06b1098 | 895 | # |
067d23c9 KY |
896 | # It is likely that dldump() works with older Solaris too, but this has |
897 | # not been tested, so for now this change is for Solaris 10 or newer. | |
898 | UNEXEC_OBJ=unexsol.o | |
899 | ;; | |
900 | esac | |
901 | ||
902 | LD_SWITCH_SYSTEM= | |
903 | case "$opsys" in | |
904 | freebsd) | |
905 | ## Let `ld' find image libs and similar things in /usr/local/lib. | |
906 | ## The system compiler, GCC, has apparently been modified to not | |
907 | ## look there, contrary to what a stock GCC would do. | |
3c30e766 GM |
908 | ### It's not our place to do this. See bug#10313#17. |
909 | ### LD_SWITCH_SYSTEM=-L/usr/local/lib | |
910 | : | |
067d23c9 KY |
911 | ;; |
912 | ||
913 | gnu-linux) | |
914 | ## cpp test was "ifdef __mips__", but presumably this is equivalent... | |
d6a003a8 | 915 | case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac |
067d23c9 KY |
916 | ;; |
917 | ||
918 | netbsd) | |
3c30e766 GM |
919 | ### It's not our place to do this. See bug#10313#17. |
920 | ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib" | |
921 | : | |
067d23c9 KY |
922 | ;; |
923 | ||
924 | openbsd) | |
925 | ## Han Boetes <han@mijncomputer.nl> says this is necessary, | |
926 | ## otherwise Emacs dumps core on elf systems. | |
927 | LD_SWITCH_SYSTEM="-Z" | |
928 | ;; | |
929 | esac | |
930 | AC_SUBST(LD_SWITCH_SYSTEM) | |
931 | ||
932 | ac_link="$ac_link $LD_SWITCH_SYSTEM" | |
933 | ||
4d5c6349 | 934 | ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH, |
067d23c9 KY |
935 | ## which has not been defined yet. When this was handled with cpp, |
936 | ## it was expanded to null when configure sourced the s/*.h file. | |
937 | ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles. | |
938 | ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS | |
939 | ## (or somesuch), but because it is supposed to go at the _front_ | |
940 | ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way. | |
941 | ## Compare with the gnu-linux case below, which added to the end | |
942 | ## of LD_SWITCH_SYSTEM, and so can instead go at the front of | |
943 | ## LD_SWITCH_SYSTEM_TEMACS. | |
944 | case "$opsys" in | |
945 | netbsd|openbsd) | |
4d5c6349 | 946 | LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;; |
067d23c9 KY |
947 | esac |
948 | ||
949 | ||
950 | C_SWITCH_MACHINE= | |
34374650 PE |
951 | case $canonical in |
952 | alpha*) | |
067d23c9 KY |
953 | AC_CHECK_DECL([__ELF__]) |
954 | if test "$ac_cv_have_decl___ELF__" = "yes"; then | |
955 | ## With ELF, make sure that all common symbols get allocated to in the | |
956 | ## data section. Otherwise, the dump of temacs may miss variables in | |
957 | ## the shared library that have been initialized. For example, with | |
958 | ## GNU libc, __malloc_initialized would normally be resolved to the | |
959 | ## shared library's .bss section, which is fatal. | |
960 | if test "x$GCC" = "xyes"; then | |
961 | C_SWITCH_MACHINE="-fno-common" | |
962 | else | |
963 | AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.]) | |
964 | fi | |
965 | else | |
b06b1098 | 966 | UNEXEC_OBJ=unexalpha.o |
067d23c9 | 967 | fi |
34374650 PE |
968 | ;; |
969 | esac | |
067d23c9 KY |
970 | AC_SUBST(C_SWITCH_MACHINE) |
971 | ||
972 | AC_SUBST(UNEXEC_OBJ) | |
973 | ||
974 | C_SWITCH_SYSTEM= | |
975 | ## Some programs in src produce warnings saying certain subprograms | |
976 | ## are too complex and need a MAXMEM value greater than 2000 for | |
977 | ## additional optimization. --nils@exp-math.uni-essen.de | |
978 | test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \ | |
979 | C_SWITCH_SYSTEM="-ma -qmaxmem=4000" | |
980 | ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems. | |
981 | ## It is redundant in glibc2, since we define _GNU_SOURCE. | |
982 | AC_SUBST(C_SWITCH_SYSTEM) | |
983 | ||
984 | ||
985 | LIBS_SYSTEM= | |
986 | case "$opsys" in | |
987 | ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2. | |
988 | aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;; | |
989 | ||
990 | freebsd) LIBS_SYSTEM="-lutil" ;; | |
991 | ||
992 | hpux*) LIBS_SYSTEM="-l:libdld.sl" ;; | |
993 | ||
1f5d53eb | 994 | sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;; |
067d23c9 KY |
995 | |
996 | ## Motif needs -lgen. | |
997 | unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;; | |
998 | esac | |
999 | AC_SUBST(LIBS_SYSTEM) | |
1000 | ||
1001 | ||
1002 | ### Make sure subsequent tests use flags consistent with the build flags. | |
1003 | ||
1004 | if test x"${OVERRIDE_CPPFLAGS}" != x; then | |
1005 | CPPFLAGS="${OVERRIDE_CPPFLAGS}" | |
1006 | else | |
1007 | CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS" | |
1008 | fi | |
1009 | ||
c1e127f9 PE |
1010 | # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better. |
1011 | AC_DEFUN([AC_TYPE_SIZE_T]) | |
2a84b02d PE |
1012 | # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them. |
1013 | AC_DEFUN([AC_TYPE_UID_T]) | |
c1e127f9 | 1014 | |
067d23c9 | 1015 | |
067d23c9 KY |
1016 | LIB_MATH=-lm |
1017 | LIB_STANDARD= | |
1018 | START_FILES= | |
a9be7d2b GM |
1019 | dnl Current possibilities handled by sed (aix4-2 -> aix, |
1020 | dnl gnu-linux -> gnu/linux, etc.): | |
1021 | dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix. | |
1022 | dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt. | |
98d8c1f9 | 1023 | SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'` |
067d23c9 | 1024 | |
0538fab0 | 1025 | dnl NB do not use CRT_DIR unquoted here, since it might not be set yet. |
067d23c9 KY |
1026 | case $opsys in |
1027 | cygwin ) | |
1028 | LIB_MATH= | |
1029 | START_FILES='pre-crt0.o' | |
1030 | ;; | |
1031 | darwin ) | |
1032 | ## Adding -lm confuses the dynamic linker, so omit it. | |
1033 | LIB_MATH= | |
1034 | START_FILES='pre-crt0.o' | |
1035 | ;; | |
1036 | freebsd ) | |
fca64dbd UM |
1037 | LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o' |
1038 | START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o' | |
a9be7d2b | 1039 | SYSTEM_TYPE=berkeley-unix |
067d23c9 KY |
1040 | ;; |
1041 | gnu-linux | gnu-kfreebsd ) | |
1042 | LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o' | |
1043 | START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o' | |
1044 | ;; | |
1045 | hpux10-20 | hpux11 ) | |
1046 | LIB_STANDARD=-lc | |
1047 | START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o' | |
1048 | ;; | |
0538fab0 | 1049 | dnl NB this may be adjusted below. |
067d23c9 | 1050 | netbsd | openbsd ) |
0538fab0 GM |
1051 | LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o' |
1052 | START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o' | |
a9be7d2b | 1053 | SYSTEM_TYPE=berkeley-unix |
067d23c9 | 1054 | ;; |
a9be7d2b GM |
1055 | |
1056 | sol2* | unixware ) | |
1057 | SYSTEM_TYPE=usg-unix-v | |
1058 | ;; | |
1059 | ||
067d23c9 KY |
1060 | esac |
1061 | ||
1062 | AC_SUBST(LIB_MATH) | |
1063 | AC_SUBST(START_FILES) | |
a9be7d2b GM |
1064 | AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE", |
1065 | [The type of system you are compiling for; sets `system-type'.]) | |
067d23c9 | 1066 | |
adbc4ef4 GM |
1067 | dnl Not all platforms use crtn.o files. Check if the current one does. |
1068 | crt_files= | |
1069 | ||
1070 | for file in x $LIB_STANDARD $START_FILES; do | |
1071 | case "$file" in | |
1072 | *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;; | |
1073 | esac | |
1074 | done | |
1075 | ||
1076 | if test "x$crt_files" != x; then | |
1077 | ||
1078 | ## If user specified a crt-dir, use that unconditionally. | |
e9dfbb4a GM |
1079 | crt_gcc=no |
1080 | ||
adbc4ef4 GM |
1081 | if test "X$CRT_DIR" = "X"; then |
1082 | ||
1083 | CRT_DIR=/usr/lib # default | |
1084 | ||
1085 | case "$canonical" in | |
1086 | x86_64-*-linux-gnu* | s390x-*-linux-gnu*) | |
1087 | ## On x86-64 and s390x GNU/Linux distributions, the standard library | |
1088 | ## can be in a variety of places. We only try /usr/lib64 and /usr/lib. | |
1089 | ## For anything else (eg /usr/lib32), it is up the user to specify | |
1090 | ## the location (bug#5655). | |
1091 | ## Test for crtn.o, not just the directory, because sometimes the | |
1092 | ## directory exists but does not have the relevant files (bug#1287). | |
1093 | ## FIXME better to test for binary compatibility somehow. | |
1094 | test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64 | |
1095 | ;; | |
1096 | ||
1097 | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;; | |
1098 | esac | |
1099 | ||
1100 | case "$opsys" in | |
1101 | hpux10-20) CRT_DIR=/lib ;; | |
1102 | esac | |
1103 | ||
e9dfbb4a GM |
1104 | test "x${GCC}" = xyes && crt_gcc=yes |
1105 | ||
adbc4ef4 GM |
1106 | fi # CRT_DIR = "" |
1107 | ||
1108 | crt_missing= | |
adbc4ef4 GM |
1109 | |
1110 | for file in $crt_files; do | |
1111 | ||
1112 | ## If we're using gcc, try to determine it automatically by asking | |
1113 | ## gcc. [If this doesn't work, CRT_DIR will remain at the | |
1114 | ## system-dependent default from above.] | |
adbc4ef4 | 1115 | if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then |
adbc4ef4 GM |
1116 | |
1117 | crt_file=`$CC --print-file-name=$file 2>/dev/null` | |
1118 | case "$crt_file" in | |
1119 | */*) | |
1120 | CRT_DIR=`AS_DIRNAME(["$crt_file"])` | |
1121 | ;; | |
1122 | esac | |
1123 | fi | |
1124 | ||
d34a9bb3 GM |
1125 | dnl We expect all the files to be in a single directory, so after the |
1126 | dnl first there is no point asking gcc. | |
1127 | crt_gcc=no | |
1128 | ||
9cfdb3ec | 1129 | test -e $CRT_DIR/$file || crt_missing="$crt_missing $file" |
adbc4ef4 GM |
1130 | done # $crt_files |
1131 | ||
1132 | test "x$crt_missing" = x || \ | |
1133 | AC_MSG_ERROR([Required file(s) not found:$crt_missing | |
1134 | Try using the --with-crt-dir option.]) | |
1135 | ||
1136 | fi # crt_files != "" | |
1137 | ||
1138 | AC_SUBST(CRT_DIR) | |
1139 | ||
0538fab0 GM |
1140 | case $opsys in |
1141 | netbsd | openbsd ) | |
1142 | if test -f $CRT_DIR/crti.o; then | |
1143 | ||
1144 | test -f $CRT_DIR/crtn.o || \ | |
1145 | AC_MSG_ERROR([Required file not found: crtn.o]) | |
1146 | ||
1147 | LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o' | |
1148 | START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o' | |
1149 | fi | |
1150 | ;; | |
1151 | esac | |
1152 | ||
adbc4ef4 | 1153 | |
5dad233c PE |
1154 | pre_PKG_CONFIG_CFLAGS=$CFLAGS |
1155 | pre_PKG_CONFIG_LIBS=$LIBS | |
d35af63c | 1156 | |
0e7a053e PE |
1157 | AC_PATH_PROG(PKG_CONFIG, pkg-config, no) |
1158 | ||
067d23c9 KY |
1159 | dnl This function definition taken from Gnome 2.0 |
1160 | dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) | |
1161 | dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page | |
1162 | dnl also defines GSTUFF_PKG_ERRORS on error | |
1163 | AC_DEFUN([PKG_CHECK_MODULES], [ | |
1164 | succeeded=no | |
1165 | ||
067d23c9 KY |
1166 | if test "$PKG_CONFIG" = "no" ; then |
1167 | ifelse([$4], , [AC_MSG_ERROR([ | |
1168 | *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4]) | |
1169 | else | |
1170 | PKG_CONFIG_MIN_VERSION=0.9.0 | |
1171 | if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then | |
1172 | AC_MSG_CHECKING(for $2) | |
1173 | ||
bf6bba2b PE |
1174 | if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD && |
1175 | $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` && | |
1176 | $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then | |
b8df54ff PE |
1177 | edit_cflags=" |
1178 | s,///*,/,g | |
1179 | s/^/ / | |
1180 | s/ -I/ $isystem/g | |
1181 | s/^ // | |
1182 | " | |
1183 | $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"` | |
bf6bba2b PE |
1184 | $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'` |
1185 | AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS']) | |
1186 | succeeded=yes | |
067d23c9 KY |
1187 | else |
1188 | AC_MSG_RESULT(no) | |
1189 | $1_CFLAGS="" | |
1190 | $1_LIBS="" | |
1191 | ## If we have a custom action on failure, don't print errors, but | |
e3141fcf PE |
1192 | ## do set a variable so people can do so. Do it in a subshell |
1193 | ## to capture any diagnostics in invoking pkg-config. | |
1194 | $1_PKG_ERRORS=`($PKG_CONFIG --print-errors "$2") 2>&1` | |
1195 | ifelse([$4], ,echo "$$1_PKG_ERRORS",) | |
067d23c9 KY |
1196 | fi |
1197 | ||
1198 | AC_SUBST($1_CFLAGS) | |
1199 | AC_SUBST($1_LIBS) | |
1200 | else | |
1201 | echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer." | |
1202 | echo "*** See http://www.freedesktop.org/software/pkgconfig" | |
1203 | fi | |
1204 | fi | |
1205 | ||
1206 | if test $succeeded = yes; then | |
1207 | ifelse([$3], , :, [$3]) | |
1208 | else | |
1209 | ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4]) | |
1210 | fi | |
1211 | ]) | |
1212 | ||
1213 | ||
1214 | if test "${with_sound}" != "no"; then | |
1215 | # Sound support for GNU/Linux and the free BSDs. | |
b06b1098 | 1216 | AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h, |
067d23c9 KY |
1217 | have_sound_header=yes) |
1218 | # Emulation library used on NetBSD. | |
1219 | AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=) | |
1220 | AC_SUBST(LIBSOUND) | |
1221 | ||
1222 | ALSA_REQUIRED=1.0.0 | |
1223 | ALSA_MODULES="alsa >= $ALSA_REQUIRED" | |
1224 | PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no) | |
1225 | if test $HAVE_ALSA = yes; then | |
1226 | SAVE_CFLAGS="$CFLAGS" | |
46d14be7 | 1227 | SAVE_LIBS="$LIBS" |
067d23c9 | 1228 | CFLAGS="$ALSA_CFLAGS $CFLAGS" |
46d14be7 | 1229 | LIBS="$ALSA_LIBS $LIBS" |
181855e6 | 1230 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])], |
067d23c9 KY |
1231 | emacs_alsa_normal=yes, |
1232 | emacs_alsa_normal=no) | |
1233 | if test "$emacs_alsa_normal" != yes; then | |
181855e6 GM |
1234 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]], |
1235 | [[snd_lib_error_set_handler (0);]])], | |
067d23c9 KY |
1236 | emacs_alsa_subdir=yes, |
1237 | emacs_alsa_subdir=no) | |
1238 | if test "$emacs_alsa_subdir" != yes; then | |
1239 | AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.]) | |
1240 | fi | |
1241 | ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE" | |
1242 | fi | |
1243 | ||
1244 | CFLAGS="$SAVE_CFLAGS" | |
46d14be7 | 1245 | LIBS="$SAVE_LIBS" |
067d23c9 KY |
1246 | LIBSOUND="$LIBSOUND $ALSA_LIBS" |
1247 | CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS" | |
1248 | AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.]) | |
1249 | fi | |
1250 | ||
1251 | dnl Define HAVE_SOUND if we have sound support. We know it works and | |
1252 | dnl compiles only on the specified platforms. For others, it | |
1253 | dnl probably doesn't make sense to try. | |
1254 | if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then | |
1255 | case "$opsys" in | |
1256 | dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__ | |
1257 | gnu-linux|freebsd|netbsd) | |
1258 | AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.]) | |
1259 | ;; | |
1260 | esac | |
1261 | fi | |
1262 | ||
1263 | AC_SUBST(CFLAGS_SOUND) | |
1264 | fi | |
1265 | ||
1266 | dnl checks for header files | |
0e7a053e | 1267 | AC_CHECK_HEADERS_ONCE( |
0e7a053e PE |
1268 | linux/version.h sys/systeminfo.h |
1269 | stdio_ext.h fcntl.h coff.h pty.h | |
1270 | sys/vlimit.h sys/resource.h | |
067d23c9 KY |
1271 | sys/utsname.h pwd.h utmp.h dirent.h util.h) |
1272 | ||
1273 | AC_MSG_CHECKING(if personality LINUX32 can be set) | |
181855e6 | 1274 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])], |
067d23c9 KY |
1275 | emacs_cv_personality_linux32=yes, |
1276 | emacs_cv_personality_linux32=no) | |
1277 | AC_MSG_RESULT($emacs_cv_personality_linux32) | |
1278 | ||
1279 | if test $emacs_cv_personality_linux32 = yes; then | |
1280 | AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1, | |
1281 | [Define to 1 if personality LINUX32 can be set.]) | |
1282 | fi | |
1283 | ||
1284 | dnl On Solaris 8 there's a compilation warning for term.h because | |
1285 | dnl it doesn't define `bool'. | |
1286 | AC_CHECK_HEADERS(term.h, , , -) | |
067d23c9 KY |
1287 | AC_HEADER_TIME |
1288 | AC_CHECK_DECLS([sys_siglist]) | |
1289 | if test $ac_cv_have_decl_sys_siglist != yes; then | |
1290 | # For Tru64, at least: | |
1291 | AC_CHECK_DECLS([__sys_siglist]) | |
1292 | if test $ac_cv_have_decl___sys_siglist = yes; then | |
1293 | AC_DEFINE(sys_siglist, __sys_siglist, | |
1294 | [Define to any substitute for sys_siglist.]) | |
1295 | fi | |
1296 | fi | |
1297 | AC_HEADER_SYS_WAIT | |
1298 | ||
067d23c9 KY |
1299 | dnl Check for speed_t typedef. |
1300 | AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t, | |
181855e6 | 1301 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])], |
067d23c9 KY |
1302 | emacs_cv_speed_t=yes, emacs_cv_speed_t=no)]) |
1303 | if test $emacs_cv_speed_t = yes; then | |
1304 | AC_DEFINE(HAVE_SPEED_T, 1, | |
1305 | [Define to 1 if `speed_t' is declared by <termios.h>.]) | |
1306 | fi | |
1307 | ||
0e7a053e | 1308 | AC_CHECK_HEADERS_ONCE(sys/socket.h) |
067d23c9 KY |
1309 | AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT |
1310 | #if HAVE_SYS_SOCKET_H | |
1311 | #include <sys/socket.h> | |
1312 | #endif]) | |
377538cb JD |
1313 | AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT |
1314 | #if HAVE_SYS_SOCKET_H | |
1315 | #include <sys/socket.h> | |
1316 | #endif]) | |
1317 | AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT | |
1318 | #if HAVE_SYS_SOCKET_H | |
1319 | #include <sys/socket.h> | |
1320 | #endif]) | |
067d23c9 KY |
1321 | |
1322 | dnl checks for structure members | |
067d23c9 KY |
1323 | AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr, |
1324 | struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr, | |
377538cb JD |
1325 | struct ifreq.ifr_addr, |
1326 | struct ifreq.ifr_addr.sa_len], , , | |
067d23c9 KY |
1327 | [AC_INCLUDES_DEFAULT |
1328 | #if HAVE_SYS_SOCKET_H | |
1329 | #include <sys/socket.h> | |
1330 | #endif | |
1331 | #if HAVE_NET_IF_H | |
1332 | #include <net/if.h> | |
1333 | #endif]) | |
1334 | ||
4c36be58 | 1335 | dnl Check for endianness. |
0e7a053e | 1336 | dnl AC_C_BIGENDIAN is done by gnulib. |
067d23c9 KY |
1337 | |
1338 | dnl check for Make feature | |
0e7a053e | 1339 | dnl AC_PROG_MAKE_SET is done by Automake. |
067d23c9 KY |
1340 | |
1341 | DEPFLAGS= | |
1342 | MKDEPDIR=":" | |
1343 | deps_frag=deps.mk | |
1344 | dnl check for GNU Make if we have GCC and autodepend is on. | |
1345 | if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then | |
1346 | AC_MSG_CHECKING([whether we are using GNU Make]) | |
1347 | HAVE_GNU_MAKE=no | |
d2eaf3e4 | 1348 | testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'` |
067d23c9 KY |
1349 | if test "x$testval" != x; then |
1350 | HAVE_GNU_MAKE=yes | |
1351 | else | |
1352 | ac_enable_autodepend=no | |
1353 | fi | |
1354 | AC_MSG_RESULT([$HAVE_GNU_MAKE]) | |
1355 | if test $HAVE_GNU_MAKE = yes; then | |
1356 | AC_MSG_CHECKING([whether gcc understands -MMD -MF]) | |
1357 | SAVE_CFLAGS="$CFLAGS" | |
52ec1feb | 1358 | CFLAGS="$CFLAGS -MMD -MF deps.d -MP" |
181855e6 | 1359 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no) |
067d23c9 KY |
1360 | CFLAGS="$SAVE_CFLAGS" |
1361 | test -f deps.d || ac_enable_autodepend=no | |
1362 | rm -rf deps.d | |
1363 | AC_MSG_RESULT([$ac_enable_autodepend]) | |
1364 | fi | |
1365 | if test $ac_enable_autodepend = yes; then | |
52ec1feb | 1366 | DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP' |
3fe7cdc8 GM |
1367 | ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe. |
1368 | MKDEPDIR='${MKDIR_P} ${DEPDIR}' | |
067d23c9 KY |
1369 | deps_frag=autodeps.mk |
1370 | fi | |
1371 | fi | |
1372 | deps_frag=$srcdir/src/$deps_frag | |
1373 | AC_SUBST(MKDEPDIR) | |
1374 | AC_SUBST(DEPFLAGS) | |
1375 | AC_SUBST_FILE(deps_frag) | |
1376 | ||
1377 | ||
b9704ad9 GM |
1378 | lisp_frag=$srcdir/src/lisp.mk |
1379 | AC_SUBST_FILE(lisp_frag) | |
1380 | ||
1381 | ||
067d23c9 KY |
1382 | dnl checks for operating system services |
1383 | AC_SYS_LONG_FILE_NAMES | |
1384 | ||
1385 | #### Choose a window system. | |
1386 | ||
17a2cbbd DC |
1387 | ## We leave window_system equal to none if |
1388 | ## we end up building without one. Any new window system should | |
1389 | ## set window_system to an appropriate value and add objects to | |
1390 | ## window-system-specific substs. | |
1391 | ||
1392 | window_system=none | |
067d23c9 | 1393 | AC_PATH_X |
17a2cbbd | 1394 | if test "$no_x" != yes; then |
067d23c9 KY |
1395 | window_system=x11 |
1396 | fi | |
1397 | ||
4d5c6349 | 1398 | LD_SWITCH_X_SITE_RPATH= |
067d23c9 KY |
1399 | if test "${x_libraries}" != NONE; then |
1400 | if test -n "${x_libraries}"; then | |
1401 | LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"` | |
1056cb66 | 1402 | LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"` |
067d23c9 KY |
1403 | fi |
1404 | x_default_search_path="" | |
1405 | x_search_path=${x_libraries} | |
1406 | if test -z "${x_search_path}"; then | |
1407 | x_search_path=/usr/lib | |
1408 | fi | |
1409 | for x_library in `echo ${x_search_path}: | \ | |
1410 | sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do | |
1411 | x_search_path="\ | |
1412 | ${x_library}/X11/%L/%T/%N%C%S:\ | |
1413 | ${x_library}/X11/%l/%T/%N%C%S:\ | |
1414 | ${x_library}/X11/%T/%N%C%S:\ | |
1415 | ${x_library}/X11/%L/%T/%N%S:\ | |
1416 | ${x_library}/X11/%l/%T/%N%S:\ | |
1417 | ${x_library}/X11/%T/%N%S" | |
1418 | if test x"${x_default_search_path}" = x; then | |
1419 | x_default_search_path=${x_search_path} | |
1420 | else | |
1421 | x_default_search_path="${x_search_path}:${x_default_search_path}" | |
1422 | fi | |
1423 | done | |
1424 | fi | |
4d5c6349 | 1425 | AC_SUBST(LD_SWITCH_X_SITE_RPATH) |
067d23c9 KY |
1426 | |
1427 | if test "${x_includes}" != NONE && test -n "${x_includes}"; then | |
b8df54ff | 1428 | C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"` |
067d23c9 KY |
1429 | fi |
1430 | ||
1431 | if test x"${x_includes}" = x; then | |
1432 | bitmapdir=/usr/include/X11/bitmaps | |
1433 | else | |
1434 | # accumulate include directories that have X11 bitmap subdirectories | |
1435 | bmd_acc="dummyval" | |
1436 | for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do | |
1437 | if test -d "${bmd}/X11/bitmaps"; then | |
1438 | bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps" | |
1439 | fi | |
1440 | if test -d "${bmd}/bitmaps"; then | |
1441 | bmd_acc="${bmd_acc}:${bmd}/bitmaps" | |
1442 | fi | |
1443 | done | |
1444 | if test ${bmd_acc} != "dummyval"; then | |
1445 | bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"` | |
1446 | fi | |
1447 | fi | |
1448 | ||
1449 | HAVE_NS=no | |
1450 | NS_IMPL_COCOA=no | |
1451 | NS_IMPL_GNUSTEP=no | |
1452 | tmp_CPPFLAGS="$CPPFLAGS" | |
1453 | tmp_CFLAGS="$CFLAGS" | |
1454 | CPPFLAGS="$CPPFLAGS -x objective-c" | |
1455 | CFLAGS="$CFLAGS -x objective-c" | |
1456 | TEMACS_LDFLAGS2="\${LDFLAGS}" | |
0cc87afb | 1457 | GNU_OBJC_CFLAGS= |
067d23c9 KY |
1458 | if test "${with_ns}" != no; then |
1459 | if test "${opsys}" = darwin; then | |
1460 | NS_IMPL_COCOA=yes | |
1461 | ns_appdir=`pwd`/nextstep/Emacs.app | |
9e6b06ed | 1462 | ns_appbindir=${ns_appdir}/Contents/MacOS |
067d23c9 KY |
1463 | ns_appresdir=${ns_appdir}/Contents/Resources |
1464 | ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base | |
1465 | elif test -f $GNUSTEP_CONFIG_FILE; then | |
1466 | NS_IMPL_GNUSTEP=yes | |
1467 | ns_appdir=`pwd`/nextstep/Emacs.app | |
9e6b06ed | 1468 | ns_appbindir=${ns_appdir} |
067d23c9 KY |
1469 | ns_appresdir=${ns_appdir}/Resources |
1470 | ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base | |
1471 | dnl FIXME sourcing this several times in subshells seems inefficient. | |
1472 | GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)" | |
1473 | GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)" | |
1474 | dnl I seemed to need these as well with GNUstep-startup 0.25. | |
1475 | GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)" | |
1476 | GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)" | |
1477 | test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \ | |
1478 | GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}" | |
1479 | test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \ | |
1480 | GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}" | |
1481 | CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}" | |
1482 | CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}" | |
1483 | LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}" | |
1484 | LIB_STANDARD= | |
1485 | START_FILES= | |
1486 | TEMACS_LDFLAGS2= | |
0cc87afb GM |
1487 | dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1. |
1488 | dnl If they had chosen to either define it or not, we could have | |
1489 | dnl just used AC_CHECK_DECL here. | |
1490 | AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS, | |
1491 | emacs_cv_objc_exceptions, | |
1492 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]], | |
1493 | [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0 | |
1494 | 1; | |
1495 | #else | |
1496 | fail; | |
1497 | #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) ) | |
1498 | if test $emacs_cv_objc_exceptions = yes; then | |
1499 | dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers. | |
1500 | AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1, | |
1501 | [Define if GNUstep uses ObjC exceptions.]) | |
1502 | GNU_OBJC_CFLAGS="-fobjc-exceptions" | |
1503 | fi | |
067d23c9 | 1504 | fi |
0cc87afb GM |
1505 | |
1506 | dnl This is only used while we test the NS headers, it gets reset below. | |
1507 | CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS" | |
1508 | ||
067d23c9 KY |
1509 | AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes], |
1510 | [AC_MSG_ERROR([`--with-ns' was specified, but the include | |
1511 | files are missing or cannot be compiled.])]) | |
067d23c9 KY |
1512 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>], |
1513 | [NSInteger i;])], | |
1514 | ns_have_nsinteger=yes, | |
1515 | ns_have_nsinteger=no) | |
b1aa797c GM |
1516 | if test $ns_have_nsinteger = yes; then |
1517 | AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.]) | |
067d23c9 KY |
1518 | fi |
1519 | fi | |
1520 | AC_SUBST(TEMACS_LDFLAGS2) | |
1521 | ||
0629a797 | 1522 | INSTALL_ARCH_INDEP_EXTRA=install-etc |
b4a36200 | 1523 | ns_self_contained=no |
067d23c9 KY |
1524 | ns_frag=/dev/null |
1525 | NS_OBJ= | |
00b3c7ac | 1526 | NS_OBJC_OBJ= |
067d23c9 | 1527 | if test "${HAVE_NS}" = yes; then |
44f92739 | 1528 | if test "$with_toolkit_scroll_bars" = "no"; then |
f52bac22 | 1529 | AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.]) |
44f92739 GM |
1530 | fi |
1531 | ||
067d23c9 | 1532 | window_system=nextstep |
067d23c9 | 1533 | # set up packaging dirs |
067d23c9 | 1534 | if test "${EN_NS_SELF_CONTAINED}" = yes; then |
b4a36200 | 1535 | ns_self_contained=yes |
067d23c9 | 1536 | prefix=${ns_appresdir} |
816be9f6 | 1537 | exec_prefix=${ns_appbindir} |
3a4155de GM |
1538 | dnl This one isn't really used, only archlibdir is. |
1539 | libexecdir="\${ns_appbindir}/libexec" | |
1540 | archlibdir="\${ns_appbindir}/libexec" | |
b42c720d GM |
1541 | docdir="\${ns_appresdir}/etc" |
1542 | etcdir="\${ns_appresdir}/etc" | |
40c117e7 GM |
1543 | dnl FIXME maybe set datarootdir instead. |
1544 | dnl That would also get applications, icons, man. | |
1545 | infodir="\${ns_appresdir}/info" | |
37f36bcb | 1546 | mandir="\${ns_appresdir}/man" |
b42c720d | 1547 | lispdir="\${ns_appresdir}/lisp" |
d71dfe75 | 1548 | leimdir="\${ns_appresdir}/leim" |
0629a797 | 1549 | INSTALL_ARCH_INDEP_EXTRA= |
067d23c9 KY |
1550 | fi |
1551 | ns_frag=$srcdir/src/ns.mk | |
00b3c7ac | 1552 | NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o" |
067d23c9 KY |
1553 | fi |
1554 | CFLAGS="$tmp_CFLAGS" | |
1555 | CPPFLAGS="$tmp_CPPFLAGS" | |
0629a797 | 1556 | AC_SUBST(INSTALL_ARCH_INDEP_EXTRA) |
b4a36200 | 1557 | AC_SUBST(ns_self_contained) |
067d23c9 | 1558 | AC_SUBST(NS_OBJ) |
00b3c7ac | 1559 | AC_SUBST(NS_OBJC_OBJ) |
067d23c9 KY |
1560 | AC_SUBST(LIB_STANDARD) |
1561 | AC_SUBST_FILE(ns_frag) | |
1562 | ||
17a2cbbd DC |
1563 | ## $window_system is now set to the window system we will |
1564 | ## ultimately use. | |
1565 | ||
1566 | term_header= | |
1567 | HAVE_X_WINDOWS=no | |
1568 | HAVE_X11=no | |
1569 | USE_X_TOOLKIT=none | |
1570 | ||
067d23c9 KY |
1571 | case "${window_system}" in |
1572 | x11 ) | |
1573 | HAVE_X_WINDOWS=yes | |
1574 | HAVE_X11=yes | |
17a2cbbd | 1575 | term_header=xterm.h |
067d23c9 KY |
1576 | case "${with_x_toolkit}" in |
1577 | athena | lucid ) USE_X_TOOLKIT=LUCID ;; | |
1578 | motif ) USE_X_TOOLKIT=MOTIF ;; | |
1579 | gtk ) with_gtk=yes | |
17a2cbbd | 1580 | term_header=gtkutil.h |
c7015153 | 1581 | dnl Don't set this for GTK. A lot of tests below assumes Xt when |
067d23c9 KY |
1582 | dnl USE_X_TOOLKIT is set. |
1583 | USE_X_TOOLKIT=none ;; | |
d673aedc JD |
1584 | gtk2 ) with_gtk2=yes |
1585 | term_header=gtkutil.h | |
1586 | USE_X_TOOLKIT=none ;; | |
067d23c9 | 1587 | gtk3 ) with_gtk3=yes |
17a2cbbd | 1588 | term_header=gtkutil.h |
067d23c9 KY |
1589 | USE_X_TOOLKIT=none ;; |
1590 | no ) USE_X_TOOLKIT=none ;; | |
1591 | dnl If user did not say whether to use a toolkit, make this decision later: | |
1592 | dnl use the toolkit if we have gtk, or X11R5 or newer. | |
1593 | * ) USE_X_TOOLKIT=maybe ;; | |
1594 | esac | |
1595 | ;; | |
17a2cbbd DC |
1596 | nextstep ) |
1597 | term_header=nsterm.h | |
067d23c9 KY |
1598 | ;; |
1599 | esac | |
1600 | ||
17a2cbbd DC |
1601 | if test -n "${term_header}"; then |
1602 | AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}", | |
1603 | [Define to the header for the built-in window system.]) | |
1604 | fi | |
1605 | ||
067d23c9 KY |
1606 | if test "$window_system" = none && test "X$with_x" != "Xno"; then |
1607 | AC_CHECK_PROG(HAVE_XSERVER, X, true, false) | |
1608 | if test "$HAVE_XSERVER" = true || | |
1609 | test -n "$DISPLAY" || | |
1610 | test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then | |
1611 | AC_MSG_ERROR([You seem to be running X, but no X development libraries | |
1612 | were found. You should install the relevant development files for X | |
1613 | and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make | |
1614 | sure you have development files for image handling, i.e. | |
1615 | tiff, gif, jpeg, png and xpm. | |
1616 | If you are sure you want Emacs compiled without X window support, pass | |
1617 | --without-x | |
1618 | to configure.]) | |
1619 | fi | |
1620 | fi | |
1621 | ||
1622 | ### If we're using X11, we should use the X menu package. | |
1623 | HAVE_MENUS=no | |
1624 | case ${HAVE_X11} in | |
1625 | yes ) HAVE_MENUS=yes ;; | |
1626 | esac | |
1627 | ||
34374650 | 1628 | # Does the opsystem file prohibit the use of the GNU malloc? |
067d23c9 KY |
1629 | # Assume not, until told otherwise. |
1630 | GNU_MALLOC=yes | |
4b5b5289 PE |
1631 | |
1632 | AC_CACHE_CHECK( | |
1633 | [whether malloc is Doug Lea style], | |
1634 | [emacs_cv_var_doug_lea_malloc], | |
1635 | [AC_LINK_IFELSE( | |
1636 | [AC_LANG_PROGRAM( | |
1637 | [[#include <malloc.h> | |
1638 | static void hook (void) {}]], | |
1639 | [[malloc_set_state (malloc_get_state ()); | |
1640 | __after_morecore_hook = hook; | |
1641 | __malloc_initialize_hook = hook;]])], | |
1642 | [emacs_cv_var_doug_lea_malloc=yes], | |
1643 | [emacs_cv_var_doug_lea_malloc=no])]) | |
1644 | doug_lea_malloc=$emacs_cv_var_doug_lea_malloc | |
067d23c9 KY |
1645 | |
1646 | ||
1647 | dnl See comments in aix4-2.h about maybe using system malloc there. | |
1648 | system_malloc=no | |
1649 | case "$opsys" in | |
1650 | ## darwin ld insists on the use of malloc routines in the System framework. | |
1651 | darwin|sol2-10) system_malloc=yes ;; | |
1652 | esac | |
1653 | ||
1654 | if test "${system_malloc}" = "yes"; then | |
1655 | AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.]) | |
1656 | GNU_MALLOC=no | |
1657 | GNU_MALLOC_reason=" | |
1658 | (The GNU allocators don't work with this system configuration.)" | |
1659 | GMALLOC_OBJ= | |
1660 | VMLIMIT_OBJ= | |
1661 | else | |
1662 | test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o | |
1663 | VMLIMIT_OBJ=vm-limit.o | |
1664 | fi | |
1665 | AC_SUBST(GMALLOC_OBJ) | |
1666 | AC_SUBST(VMLIMIT_OBJ) | |
1667 | ||
1668 | if test "$doug_lea_malloc" = "yes" ; then | |
1669 | if test "$GNU_MALLOC" = yes ; then | |
1670 | GNU_MALLOC_reason=" | |
1671 | (Using Doug Lea's new malloc from the GNU C Library.)" | |
1672 | fi | |
1673 | AC_DEFINE(DOUG_LEA_MALLOC, 1, | |
1674 | [Define to 1 if you are using the GNU C Library.]) | |
1675 | ||
1676 | ## Use mmap directly for allocating larger buffers. | |
1677 | ## FIXME this comes from src/s/{gnu,gnu-linux}.h: | |
1678 | ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif | |
bbd240ce | 1679 | ## Does the AC_FUNC_MMAP test below make this check unnecessary? |
067d23c9 KY |
1680 | case "$opsys" in |
1681 | gnu*) REL_ALLOC=no ;; | |
1682 | esac | |
1683 | fi | |
1684 | ||
1685 | if test x"${REL_ALLOC}" = x; then | |
1686 | REL_ALLOC=${GNU_MALLOC} | |
1687 | fi | |
1688 | ||
1689 | use_mmap_for_buffers=no | |
1690 | case "$opsys" in | |
fe0e7ad7 | 1691 | cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;; |
067d23c9 KY |
1692 | esac |
1693 | ||
1694 | AC_FUNC_MMAP | |
1695 | if test $use_mmap_for_buffers = yes; then | |
1696 | AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.]) | |
1697 | REL_ALLOC=no | |
1698 | fi | |
1699 | ||
1700 | LIBS="$LIBS_SYSTEM $LIBS" | |
1701 | ||
1702 | dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks, | |
1703 | dnl and also adds -ldnet to LIBS, which Autoconf uses for checks. | |
1704 | AC_CHECK_LIB(dnet, dnet_ntoa) | |
1705 | dnl This causes -lresolv to get used in subsequent tests, | |
1706 | dnl which causes failures on some systems such as HPUX 9. | |
1707 | dnl AC_CHECK_LIB(resolv, gethostbyname) | |
1708 | ||
1709 | dnl FIXME replace main with a function we actually want from this library. | |
1710 | AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd") | |
1711 | ||
ae9e757a JD |
1712 | dnl Check if pthreads is available. |
1713 | LIB_PTHREAD= | |
0e7a053e | 1714 | AC_CHECK_HEADERS_ONCE(pthread.h) |
ae9e757a | 1715 | if test "$ac_cv_header_pthread_h"; then |
adee8a65 PE |
1716 | dnl gmalloc.c uses pthread_atfork, which is not available on older-style |
1717 | dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely | |
1718 | dnl testing for pthread_self if Emacs uses gmalloc.c. | |
1719 | if test "$GMALLOC_OBJ" = gmalloc.o; then | |
1720 | emacs_pthread_function=pthread_atfork | |
1721 | else | |
1722 | emacs_pthread_function=pthread_self | |
1723 | fi | |
1724 | AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes) | |
ae9e757a JD |
1725 | fi |
1726 | if test "$HAVE_PTHREAD" = yes; then | |
1727 | case "${canonical}" in | |
1728 | *-hpux*) ;; | |
e782cfab PE |
1729 | *) LIB_PTHREAD="-lpthread" |
1730 | LIBS="$LIB_PTHREAD $LIBS" ;; | |
ae9e757a JD |
1731 | esac |
1732 | AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).]) | |
1733 | fi | |
1734 | AC_SUBST([LIB_PTHREAD]) | |
1735 | ||
067d23c9 KY |
1736 | AC_CHECK_LIB(pthreads, cma_open) |
1737 | ||
1738 | ## Note: when using cpp in s/aix4.2.h, this definition depended on | |
1739 | ## HAVE_LIBPTHREADS. That was not defined earlier in configure when | |
1740 | ## the system file was sourced. Hence the value of LIBS_SYSTEM | |
1741 | ## added to LIBS in configure would never contain the pthreads part, | |
1742 | ## but the value used in Makefiles might. FIXME? | |
1743 | ## | |
1744 | ## -lpthreads seems to be necessary for Xlib in X11R6, and should | |
1745 | ## be harmless on older versions of X where it happens to exist. | |
1746 | test "$opsys" = "aix4-2" && \ | |
1747 | test $ac_cv_lib_pthreads_cma_open = yes && \ | |
1748 | LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads" | |
1749 | ||
1750 | dnl Check for need for bigtoc support on IBM AIX | |
1751 | ||
1752 | case ${host_os} in | |
1753 | aix*) | |
1754 | AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [ | |
1755 | case $GCC in | |
1756 | yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;; | |
1757 | *) gdb_cv_bigtoc=-bbigtoc ;; | |
1758 | esac | |
1759 | ||
1760 | LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc | |
181855e6 | 1761 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=]) |
067d23c9 KY |
1762 | ]) |
1763 | ;; | |
1764 | esac | |
1765 | ||
1766 | # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets | |
1767 | # used for the tests that follow. We set them back to REAL_CFLAGS and | |
1768 | # REAL_CPPFLAGS later on. | |
1769 | ||
1770 | REAL_CFLAGS="$CFLAGS" | |
1771 | REAL_CPPFLAGS="$CPPFLAGS" | |
1772 | ||
1773 | if test "${HAVE_X11}" = "yes"; then | |
1774 | DEFS="$C_SWITCH_X_SITE $DEFS" | |
1775 | LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE" | |
1776 | LIBS="-lX11 $LIBS" | |
1777 | CFLAGS="$C_SWITCH_X_SITE $CFLAGS" | |
1778 | CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS" | |
1779 | ||
1780 | # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests. | |
4d5c6349 | 1781 | # This is handled by LD_SWITCH_X_SITE_RPATH during the real build, |
4737362e | 1782 | # but it's more convenient here to set LD_RUN_PATH since this |
4d5c6349 | 1783 | # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH. |
067d23c9 KY |
1784 | if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then |
1785 | LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH | |
1786 | export LD_RUN_PATH | |
1787 | fi | |
1788 | ||
1789 | if test "${opsys}" = "gnu-linux"; then | |
1790 | AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link) | |
181855e6 GM |
1791 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], |
1792 | [[XOpenDisplay ("foo");]])], | |
423dbf9b RS |
1793 | [xgnu_linux_first_failure=no], |
1794 | [xgnu_linux_first_failure=yes]) | |
1795 | if test "${xgnu_linux_first_failure}" = "yes"; then | |
067d23c9 KY |
1796 | OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE" |
1797 | OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE" | |
1798 | OLD_CPPFLAGS="$CPPFLAGS" | |
1799 | OLD_LIBS="$LIBS" | |
1800 | LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout" | |
1801 | C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout" | |
1802 | CPPFLAGS="$CPPFLAGS -b i486-linuxaout" | |
1803 | LIBS="$LIBS -b i486-linuxaout" | |
181855e6 GM |
1804 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], |
1805 | [[XOpenDisplay ("foo");]])], | |
423dbf9b RS |
1806 | [xgnu_linux_second_failure=no], |
1807 | [xgnu_linux_second_failure=yes]) | |
1808 | if test "${xgnu_linux_second_failure}" = "yes"; then | |
067d23c9 KY |
1809 | # If we get the same failure with -b, there is no use adding -b. |
1810 | # So take it out. This plays safe. | |
1811 | LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE" | |
1812 | C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE" | |
1813 | CPPFLAGS="$OLD_CPPFLAGS" | |
1814 | LIBS="$OLD_LIBS" | |
1815 | AC_MSG_RESULT(no) | |
1816 | else | |
1817 | AC_MSG_RESULT(yes) | |
1818 | fi | |
1819 | else | |
1820 | AC_MSG_RESULT(no) | |
1821 | fi | |
1822 | fi | |
1823 | ||
1824 | # Reportedly, some broken Solaris systems have XKBlib.h but are missing | |
1825 | # header files included from there. | |
1826 | AC_MSG_CHECKING(for Xkb) | |
181855e6 GM |
1827 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h> |
1828 | #include <X11/XKBlib.h>]], | |
1829 | [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])], | |
067d23c9 KY |
1830 | emacs_xkb=yes, emacs_xkb=no) |
1831 | AC_MSG_RESULT($emacs_xkb) | |
1832 | if test $emacs_xkb = yes; then | |
1833 | AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.]) | |
1834 | fi | |
1835 | ||
1836 | AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \ | |
9232a6d9 | 1837 | XScreenNumberOfScreen) |
067d23c9 KY |
1838 | fi |
1839 | ||
1840 | if test "${window_system}" = "x11"; then | |
1841 | AC_MSG_CHECKING(X11 version 6) | |
1842 | AC_CACHE_VAL(emacs_cv_x11_version_6, | |
181855e6 GM |
1843 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]], |
1844 | [[#if XlibSpecificationRelease < 6 | |
067d23c9 KY |
1845 | fail; |
1846 | #endif | |
181855e6 | 1847 | ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)]) |
067d23c9 KY |
1848 | if test $emacs_cv_x11_version_6 = yes; then |
1849 | AC_MSG_RESULT(6 or newer) | |
1850 | AC_DEFINE(HAVE_X11R6, 1, | |
1851 | [Define to 1 if you have the X11R6 or newer version of Xlib.]) | |
1852 | AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.]) | |
1853 | ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style | |
1854 | ## XIM support. | |
1855 | case "$opsys" in | |
1856 | sol2-*) : ;; | |
1857 | *) AC_DEFINE(HAVE_X11R6_XIM, 1, | |
1858 | [Define if you have usable X11R6-style XIM support.]) | |
1859 | ;; | |
1860 | esac | |
1861 | else | |
1862 | AC_MSG_RESULT(before 6) | |
1863 | fi | |
1864 | fi | |
1865 | ||
1866 | ||
1867 | ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified. | |
1868 | HAVE_RSVG=no | |
be8ec0b3 | 1869 | if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then |
067d23c9 KY |
1870 | if test "${with_rsvg}" != "no"; then |
1871 | RSVG_REQUIRED=2.11.0 | |
1872 | RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED" | |
1873 | ||
1874 | PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :) | |
1875 | AC_SUBST(RSVG_CFLAGS) | |
1876 | AC_SUBST(RSVG_LIBS) | |
1877 | ||
1878 | if test $HAVE_RSVG = yes; then | |
1879 | AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.]) | |
1880 | CFLAGS="$CFLAGS $RSVG_CFLAGS" | |
1881 | LIBS="$RSVG_LIBS $LIBS" | |
1882 | fi | |
1883 | fi | |
1884 | fi | |
1885 | ||
1886 | HAVE_IMAGEMAGICK=no | |
1887 | if test "${HAVE_X11}" = "yes"; then | |
1888 | if test "${with_imagemagick}" != "no"; then | |
f5b06c35 GM |
1889 | ## 6.2.8 is the earliest version known to work, but earlier versions |
1890 | ## might work - let us know if you find one. | |
1891 | ## 6.0.7 does not work. See bug#7955. | |
1892 | IMAGEMAGICK_MODULE="Wand >= 6.2.8" | |
067d23c9 KY |
1893 | PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :) |
1894 | AC_SUBST(IMAGEMAGICK_CFLAGS) | |
1895 | AC_SUBST(IMAGEMAGICK_LIBS) | |
b06b1098 | 1896 | |
067d23c9 KY |
1897 | if test $HAVE_IMAGEMAGICK = yes; then |
1898 | AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.]) | |
1899 | CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS" | |
1900 | LIBS="$IMAGEMAGICK_LIBS $LIBS" | |
03043c1b | 1901 | AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers) |
067d23c9 KY |
1902 | fi |
1903 | fi | |
1904 | fi | |
1905 | ||
1906 | ||
1907 | HAVE_GTK=no | |
c195f2de | 1908 | GTK_OBJ= |
d673aedc JD |
1909 | check_gtk2=no |
1910 | gtk3_pkg_errors= | |
1911 | if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then | |
0afb4571 J |
1912 | GLIB_REQUIRED=2.28 |
1913 | GTK_REQUIRED=3.0 | |
067d23c9 KY |
1914 | GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED" |
1915 | ||
1916 | dnl Checks for libraries. | |
1917 | PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no) | |
d673aedc | 1918 | if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then |
067d23c9 KY |
1919 | AC_MSG_ERROR($GTK_PKG_ERRORS) |
1920 | fi | |
d673aedc JD |
1921 | if test "$pkg_check_gtk" = "yes"; then |
1922 | AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.]) | |
1923 | GTK_OBJ=emacsgtkfixed.o | |
1924 | term_header=gtkutil.h | |
1925 | else | |
1926 | check_gtk2=yes | |
1927 | gtk3_pkg_errors="$GTK_PKG_ERRORS " | |
1928 | fi | |
067d23c9 KY |
1929 | fi |
1930 | ||
d673aedc | 1931 | if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then |
0ffe1065 JD |
1932 | GLIB_REQUIRED=2.10 |
1933 | GTK_REQUIRED=2.10 | |
067d23c9 KY |
1934 | GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED" |
1935 | ||
1936 | dnl Checks for libraries. | |
1937 | PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no) | |
e3141fcf PE |
1938 | if test "$pkg_check_gtk" = "no" && |
1939 | { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; } | |
1940 | then | |
1941 | AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS) | |
067d23c9 KY |
1942 | fi |
1943 | fi | |
067d23c9 | 1944 | |
067d23c9 KY |
1945 | if test x"$pkg_check_gtk" = xyes; then |
1946 | ||
1947 | AC_SUBST(GTK_CFLAGS) | |
1948 | AC_SUBST(GTK_LIBS) | |
1949 | C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS" | |
1950 | CFLAGS="$CFLAGS $GTK_CFLAGS" | |
1951 | LIBS="$GTK_LIBS $LIBS" | |
1952 | dnl Try to compile a simple GTK program. | |
1953 | GTK_COMPILES=no | |
1954 | AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes) | |
1955 | if test "${GTK_COMPILES}" != "yes"; then | |
1956 | if test "$USE_X_TOOLKIT" != "maybe"; then | |
1957 | AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]); | |
1958 | fi | |
1959 | else | |
1960 | HAVE_GTK=yes | |
1961 | AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.]) | |
c195f2de | 1962 | GTK_OBJ="gtkutil.o $GTK_OBJ" |
067d23c9 KY |
1963 | USE_X_TOOLKIT=none |
1964 | if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then | |
1965 | : | |
1966 | else | |
1967 | AC_MSG_WARN([[Your version of Gtk+ will have problems with | |
1968 | closing open displays. This is no problem if you just use | |
1969 | one display, but if you use more than one and close one of them | |
1970 | Emacs may crash.]]) | |
1971 | sleep 3 | |
1972 | fi | |
1973 | fi | |
1974 | ||
1975 | fi | |
1976 | AC_SUBST(GTK_OBJ) | |
1977 | ||
1978 | ||
1979 | if test "${HAVE_GTK}" = "yes"; then | |
1980 | ||
1981 | dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid | |
1982 | dnl a lot if #ifdef:s, say we have toolkit scrollbars. | |
1983 | if test "$with_toolkit_scroll_bars" != no; then | |
1984 | with_toolkit_scroll_bars=yes | |
1985 | fi | |
1986 | ||
1987 | dnl Check if we have the old file selection dialog declared and | |
1988 | dnl in the link library. In 2.x it may be in the library, | |
1989 | dnl but not declared if deprecated featured has been selected out. | |
1990 | dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION. | |
1991 | HAVE_GTK_FILE_SELECTION=no | |
1992 | AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes, | |
1993 | HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT | |
1994 | #include <gtk/gtk.h>]) | |
1995 | if test "$HAVE_GTK_FILE_SELECTION" = yes; then | |
1996 | AC_CHECK_FUNCS(gtk_file_selection_new) | |
1997 | fi | |
1998 | ||
067d23c9 KY |
1999 | |
2000 | dnl Check for functions introduced in 2.14 and later. | |
2001 | AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \ | |
2002 | gtk_dialog_get_action_area gtk_widget_get_sensitive \ | |
2003 | gtk_widget_get_mapped gtk_adjustment_get_page_size \ | |
54e9e3bf JD |
2004 | gtk_orientable_set_orientation \ |
2005 | gtk_window_set_has_resize_grip) | |
17a2cbbd DC |
2006 | |
2007 | term_header=gtkutil.h | |
067d23c9 KY |
2008 | fi |
2009 | ||
2010 | dnl D-Bus has been tested under GNU/Linux only. Must be adapted for | |
dcbf5805 | 2011 | dnl other platforms. |
067d23c9 KY |
2012 | HAVE_DBUS=no |
2013 | DBUS_OBJ= | |
2014 | if test "${with_dbus}" = "yes"; then | |
2015 | PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no) | |
2016 | if test "$HAVE_DBUS" = yes; then | |
2017 | LIBS="$LIBS $DBUS_LIBS" | |
2018 | AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.]) | |
dcbf5805 | 2019 | dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1. |
e3a3e213 MA |
2020 | dnl dbus_type_is_valid and dbus_validate_* have been introduced in |
2021 | dnl D-Bus 1.5.12. | |
dcbf5805 | 2022 | AC_CHECK_FUNCS(dbus_watch_get_unix_fd \ |
e3a3e213 | 2023 | dbus_type_is_valid \ |
dcbf5805 MA |
2024 | dbus_validate_bus_name \ |
2025 | dbus_validate_path \ | |
2026 | dbus_validate_interface \ | |
2027 | dbus_validate_member) | |
067d23c9 KY |
2028 | DBUS_OBJ=dbusbind.o |
2029 | fi | |
2030 | fi | |
2031 | AC_SUBST(DBUS_OBJ) | |
2032 | ||
9851bfc5 JD |
2033 | dnl GSettings has been tested under GNU/Linux only. |
2034 | HAVE_GSETTINGS=no | |
2035 | if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then | |
2ad77c9d | 2036 | PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no) |
2e6e11eb | 2037 | if test "$HAVE_GSETTINGS" = "yes"; then |
9851bfc5 JD |
2038 | AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.]) |
2039 | SETTINGS_CFLAGS="$GSETTINGS_CFLAGS" | |
2040 | SETTINGS_LIBS="$GSETTINGS_LIBS" | |
2041 | fi | |
2042 | fi | |
2043 | ||
067d23c9 KY |
2044 | dnl GConf has been tested under GNU/Linux only. |
2045 | dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6. | |
2046 | HAVE_GCONF=no | |
869795d6 | 2047 | if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then |
067d23c9 KY |
2048 | PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no) |
2049 | if test "$HAVE_GCONF" = yes; then | |
2050 | AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.]) | |
2051 | dnl Newer GConf doesn't link with g_objects, so this is not defined. | |
869795d6 JD |
2052 | SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS" |
2053 | SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS" | |
067d23c9 KY |
2054 | fi |
2055 | fi | |
2056 | ||
2e6e11eb | 2057 | if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then |
f278d339 JD |
2058 | PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no) |
2059 | if test "$HAVE_GOBJECT" = "yes"; then | |
2060 | SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS" | |
2061 | SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS" | |
2062 | fi | |
9851bfc5 | 2063 | SAVE_CFLAGS="$CFLAGS" |
46d14be7 | 2064 | SAVE_LIBS="$LIBS" |
9851bfc5 | 2065 | CFLAGS="$SETTINGS_CFLAGS $CFLAGS" |
46d14be7 | 2066 | LIBS="$SETTINGS_LIBS $LIBS" |
9851bfc5 JD |
2067 | AC_CHECK_FUNCS([g_type_init]) |
2068 | CFLAGS="$SAVE_CFLAGS" | |
46d14be7 | 2069 | LIBS="$SAVE_LIBS" |
9851bfc5 JD |
2070 | fi |
2071 | AC_SUBST(SETTINGS_CFLAGS) | |
2072 | AC_SUBST(SETTINGS_LIBS) | |
2073 | ||
2074 | ||
067d23c9 KY |
2075 | dnl SELinux is available for GNU/Linux only. |
2076 | HAVE_LIBSELINUX=no | |
2077 | LIBSELINUX_LIBS= | |
2078 | if test "${with_selinux}" = "yes"; then | |
2079 | AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no) | |
2080 | if test "$HAVE_LIBSELINUX" = yes; then | |
2081 | AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.]) | |
2082 | LIBSELINUX_LIBS=-lselinux | |
2083 | fi | |
2084 | fi | |
2085 | AC_SUBST(LIBSELINUX_LIBS) | |
2086 | ||
2087 | HAVE_GNUTLS=no | |
33630d51 | 2088 | HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no |
067d23c9 | 2089 | if test "${with_gnutls}" = "yes" ; then |
9f77899d | 2090 | PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no) |
067d23c9 KY |
2091 | if test "${HAVE_GNUTLS}" = "yes"; then |
2092 | AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.]) | |
2093 | fi | |
33630d51 TZ |
2094 | |
2095 | CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS" | |
2096 | LIBS="$LIBGNUTLS_LIBS $LIBS" | |
2097 | AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes) | |
2098 | ||
2099 | if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then | |
2100 | AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.]) | |
2101 | fi | |
067d23c9 | 2102 | fi |
33630d51 | 2103 | |
067d23c9 KY |
2104 | AC_SUBST(LIBGNUTLS_LIBS) |
2105 | AC_SUBST(LIBGNUTLS_CFLAGS) | |
2106 | ||
2107 | dnl Do not put whitespace before the #include statements below. | |
2108 | dnl Older compilers (eg sunos4 cc) choke on it. | |
2109 | HAVE_XAW3D=no | |
2110 | LUCID_LIBW= | |
2111 | if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then | |
2112 | if test "$with_xaw3d" != no; then | |
067d23c9 | 2113 | AC_CACHE_VAL(emacs_cv_xaw3d, |
181855e6 | 2114 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
067d23c9 | 2115 | #include <X11/Intrinsic.h> |
181855e6 GM |
2116 | #include <X11/Xaw3d/Simple.h>]], |
2117 | [[]])], | |
37f7b784 CY |
2118 | [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, |
2119 | emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)], | |
067d23c9 KY |
2120 | emacs_cv_xaw3d=no)]) |
2121 | else | |
2122 | emacs_cv_xaw3d=no | |
2123 | fi | |
2124 | if test $emacs_cv_xaw3d = yes; then | |
2c484e75 | 2125 | AC_MSG_CHECKING(for xaw3d) |
067d23c9 KY |
2126 | AC_MSG_RESULT([yes; using Lucid toolkit]) |
2127 | USE_X_TOOLKIT=LUCID | |
2128 | HAVE_XAW3D=yes | |
2129 | LUCID_LIBW=-lXaw3d | |
2130 | AC_DEFINE(HAVE_XAW3D, 1, | |
2131 | [Define to 1 if you have the Xaw3d library (-lXaw3d).]) | |
2132 | else | |
2c484e75 | 2133 | AC_MSG_CHECKING(for xaw3d) |
067d23c9 KY |
2134 | AC_MSG_RESULT(no) |
2135 | AC_MSG_CHECKING(for libXaw) | |
2136 | AC_CACHE_VAL(emacs_cv_xaw, | |
181855e6 | 2137 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
067d23c9 | 2138 | #include <X11/Intrinsic.h> |
181855e6 GM |
2139 | #include <X11/Xaw/Simple.h>]], |
2140 | [[]])], | |
067d23c9 KY |
2141 | emacs_cv_xaw=yes, |
2142 | emacs_cv_xaw=no)]) | |
2143 | if test $emacs_cv_xaw = yes; then | |
2144 | AC_MSG_RESULT([yes; using Lucid toolkit]) | |
2145 | USE_X_TOOLKIT=LUCID | |
2146 | LUCID_LIBW=-lXaw | |
2147 | elif test x"${USE_X_TOOLKIT}" = xLUCID; then | |
2148 | AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files]) | |
2149 | else | |
d681f183 GM |
2150 | AC_MSG_ERROR([No X toolkit could be found. |
2151 | If you are sure you want Emacs compiled without an X toolkit, pass | |
2152 | --with-x-toolkit=no | |
2153 | to configure. Otherwise, install the development libraries for the toolkit | |
2154 | that you want to use (e.g. Gtk+) and re-run configure.]) | |
067d23c9 KY |
2155 | fi |
2156 | fi | |
2157 | fi | |
2158 | ||
2159 | X_TOOLKIT_TYPE=$USE_X_TOOLKIT | |
2160 | ||
2161 | LIBXTR6= | |
2162 | if test "${USE_X_TOOLKIT}" != "none"; then | |
2163 | AC_MSG_CHECKING(X11 toolkit version) | |
2164 | AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6, | |
181855e6 GM |
2165 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]], |
2166 | [[#if XtSpecificationRelease < 6 | |
067d23c9 KY |
2167 | fail; |
2168 | #endif | |
181855e6 | 2169 | ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)]) |
067d23c9 KY |
2170 | HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6 |
2171 | if test $emacs_cv_x11_toolkit_version_6 = yes; then | |
2172 | AC_MSG_RESULT(6 or newer) | |
2173 | AC_DEFINE(HAVE_X11XTR6, 1, | |
2174 | [Define to 1 if you have the X11R6 or newer version of Xt.]) | |
2175 | LIBXTR6="-lSM -lICE" | |
2176 | case "$opsys" in | |
2177 | ## Use libw.a along with X11R6 Xt. | |
2178 | unixware) LIBXTR6="$LIBXTR6 -lw" ;; | |
2179 | esac | |
2180 | else | |
2181 | AC_MSG_RESULT(before 6) | |
2182 | fi | |
2183 | ||
2184 | dnl If using toolkit, check whether libXmu.a exists. | |
2185 | dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link. | |
2186 | OLDLIBS="$LIBS" | |
2187 | if test x$HAVE_X11XTR6 = xyes; then | |
2188 | LIBS="-lXt -lSM -lICE $LIBS" | |
2189 | else | |
2190 | LIBS="-lXt $LIBS" | |
2191 | fi | |
2192 | AC_CHECK_LIB(Xmu, XmuConvertStandardSelection) | |
2193 | test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS" | |
ba9e4b84 | 2194 | dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below. |
067d23c9 KY |
2195 | fi |
2196 | AC_SUBST(LIBXTR6) | |
2197 | ||
2198 | dnl FIXME the logic here seems weird, but this is what cpp was doing. | |
2199 | dnl Why not just test for libxmu in the normal way? | |
2200 | LIBXMU=-lXmu | |
d6a003a8 AS |
2201 | case $opsys in |
2202 | ## These systems don't supply Xmu. | |
067d23c9 KY |
2203 | hpux* | aix4-2 ) |
2204 | test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU= | |
2205 | ;; | |
2206 | esac | |
2207 | AC_SUBST(LIBXMU) | |
2208 | ||
2209 | # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D. | |
2210 | if test "${HAVE_X11}" = "yes"; then | |
2211 | if test "${USE_X_TOOLKIT}" != "none"; then | |
2212 | AC_CHECK_LIB(Xext, XShapeQueryExtension) | |
2213 | fi | |
2214 | fi | |
2215 | ||
2216 | LIBXP= | |
2217 | if test "${USE_X_TOOLKIT}" = "MOTIF"; then | |
c09bfb2f DA |
2218 | # OpenMotif may be installed in such a way on some GNU/Linux systems. |
2219 | if test -d /usr/include/openmotif; then | |
2220 | CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS" | |
2221 | emacs_cv_openmotif=yes | |
2222 | case "$canonical" in | |
2223 | x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) | |
2224 | test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS" | |
2225 | ;; | |
2226 | *) | |
2227 | test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS" | |
2228 | esac | |
2229 | else | |
2230 | emacs_cv_openmotif=no | |
2231 | fi | |
2232 | AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1, | |
181855e6 GM |
2233 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]], |
2234 | [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1) | |
067d23c9 KY |
2235 | int x = 5; |
2236 | #else | |
2237 | Motif version prior to 2.1. | |
181855e6 | 2238 | #endif]])], |
067d23c9 KY |
2239 | emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)]) |
2240 | if test $emacs_cv_motif_version_2_1 = yes; then | |
2241 | AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp) | |
c09bfb2f DA |
2242 | if test x$emacs_cv_openmotif = xyes; then |
2243 | REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS" | |
2244 | fi | |
067d23c9 KY |
2245 | else |
2246 | AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif, | |
2247 | # We put this in CFLAGS temporarily to precede other -I options | |
2248 | # that might be in CFLAGS temporarily. | |
2249 | # We put this in CPPFLAGS where it precedes the other -I options. | |
2250 | OLD_CPPFLAGS=$CPPFLAGS | |
2251 | OLD_CFLAGS=$CFLAGS | |
2252 | CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS" | |
2253 | CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS" | |
181855e6 GM |
2254 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]], |
2255 | [[int x = 5;]])], | |
067d23c9 KY |
2256 | emacs_cv_lesstif=yes, emacs_cv_lesstif=no)]) |
2257 | if test $emacs_cv_lesstif = yes; then | |
2258 | # Make sure this -I option remains in CPPFLAGS after it is set | |
2259 | # back to REAL_CPPFLAGS. | |
2260 | # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not | |
2261 | # have those other -I options anyway. Ultimately, having this | |
2262 | # directory ultimately in CPPFLAGS will be enough. | |
2263 | REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS" | |
2264 | LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS" | |
2265 | else | |
2266 | CFLAGS=$OLD_CFLAGS | |
2267 | CPPFLAGS=$OLD_CPPFLAGS | |
2268 | fi | |
2269 | fi | |
e4070def GM |
2270 | AC_CHECK_HEADER([Xm/BulletinB.h], [], |
2271 | [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])]) | |
067d23c9 KY |
2272 | fi |
2273 | ||
2274 | dnl Use toolkit scroll bars if configured for GTK or X toolkit and either | |
2275 | dnl using Motif or Xaw3d is available, and unless | |
2276 | dnl --with-toolkit-scroll-bars=no was specified. | |
2277 | ||
2278 | AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS, | |
2279 | [Define to 1 if we should use toolkit scroll bars.])dnl | |
2280 | USE_TOOLKIT_SCROLL_BARS=no | |
2281 | if test "${with_toolkit_scroll_bars}" != "no"; then | |
2282 | if test "${USE_X_TOOLKIT}" != "none"; then | |
2283 | if test "${USE_X_TOOLKIT}" = "MOTIF"; then | |
2284 | AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) | |
2285 | HAVE_XAW3D=no | |
2286 | USE_TOOLKIT_SCROLL_BARS=yes | |
8d8939e8 | 2287 | elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then |
067d23c9 KY |
2288 | AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) |
2289 | USE_TOOLKIT_SCROLL_BARS=yes | |
2290 | fi | |
2291 | elif test "${HAVE_GTK}" = "yes"; then | |
2292 | AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) | |
2293 | USE_TOOLKIT_SCROLL_BARS=yes | |
2294 | elif test "${HAVE_NS}" = "yes"; then | |
2295 | AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) | |
2296 | USE_TOOLKIT_SCROLL_BARS=yes | |
2297 | fi | |
2298 | fi | |
2299 | ||
2300 | dnl See if XIM is available. | |
181855e6 | 2301 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
067d23c9 | 2302 | #include <X11/Xlib.h> |
181855e6 GM |
2303 | #include <X11/Xresource.h>]], |
2304 | [[XIMProc callback;]])], | |
067d23c9 KY |
2305 | [HAVE_XIM=yes |
2306 | AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])], | |
2307 | HAVE_XIM=no) | |
2308 | ||
2309 | dnl `--with-xim' now controls only the initial value of use_xim at run time. | |
2310 | ||
2311 | if test "${with_xim}" != "no"; then | |
2312 | AC_DEFINE(USE_XIM, 1, | |
2313 | [Define to 1 if we should use XIM, if it is available.]) | |
2314 | fi | |
2315 | ||
2316 | ||
2317 | if test "${HAVE_XIM}" != "no"; then | |
2318 | late_CFLAGS=$CFLAGS | |
2319 | if test "$GCC" = yes; then | |
2320 | CFLAGS="$CFLAGS --pedantic-errors" | |
2321 | fi | |
181855e6 | 2322 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
067d23c9 | 2323 | #include <X11/Xlib.h> |
181855e6 GM |
2324 | #include <X11/Xresource.h>]], |
2325 | [[Display *display; | |
067d23c9 KY |
2326 | XrmDatabase db; |
2327 | char *res_name; | |
2328 | char *res_class; | |
2329 | XIMProc callback; | |
2330 | XPointer *client_data; | |
2331 | #ifndef __GNUC__ | |
2332 | /* If we're not using GCC, it's probably not XFree86, and this is | |
2333 | probably right, but we can't use something like --pedantic-errors. */ | |
2334 | extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*, | |
2335 | char*, XIMProc, XPointer*); | |
2336 | #endif | |
2337 | (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback, | |
181855e6 | 2338 | client_data);]])], |
067d23c9 KY |
2339 | [emacs_cv_arg6_star=yes]) |
2340 | AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6, | |
2341 | [Define to the type of the 6th arg of XRegisterIMInstantiateCallback, | |
2342 | either XPointer or XPointer*.])dnl | |
2343 | if test "$emacs_cv_arg6_star" = yes; then | |
2344 | AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*]) | |
2345 | else | |
2346 | AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer]) | |
2347 | fi | |
2348 | CFLAGS=$late_CFLAGS | |
2349 | fi | |
2350 | ||
2351 | ### Start of font-backend (under any platform) section. | |
2352 | # (nothing here yet -- this is a placeholder) | |
2353 | ### End of font-backend (under any platform) section. | |
2354 | ||
2355 | ### Start of font-backend (under X11) section. | |
2356 | if test "${HAVE_X11}" = "yes"; then | |
2357 | PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no) | |
2358 | ||
2359 | ## Use -lXft if available, unless `--with-xft=no'. | |
2360 | HAVE_XFT=maybe | |
2361 | if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then | |
2362 | with_xft="no"; | |
2363 | fi | |
2364 | if test "x${with_xft}" != "xno"; then | |
2365 | ||
2366 | PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no) | |
2367 | ## Because xftfont.c uses XRenderQueryExtension, we also | |
2368 | ## need to link to -lXrender. | |
2369 | HAVE_XRENDER=no | |
2370 | AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes) | |
2371 | if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then | |
2372 | OLD_CPPFLAGS="$CPPFLAGS" | |
2373 | OLD_CFLAGS="$CFLAGS" | |
2374 | OLD_LIBS="$LIBS" | |
2375 | CPPFLAGS="$CPPFLAGS $XFT_CFLAGS" | |
2376 | CFLAGS="$CFLAGS $XFT_CFLAGS" | |
2377 | XFT_LIBS="-lXrender $XFT_LIBS" | |
2378 | LIBS="$XFT_LIBS $LIBS" | |
2379 | AC_CHECK_HEADER(X11/Xft/Xft.h, | |
2380 | AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS)) | |
2381 | ||
2382 | if test "${HAVE_XFT}" = "yes"; then | |
2383 | AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.]) | |
2384 | AC_SUBST(XFT_LIBS) | |
2385 | C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS" | |
2386 | else | |
2387 | CPPFLAGS="$OLD_CPPFLAGS" | |
2388 | CFLAGS="$OLD_CFLAGS" | |
2389 | LIBS="$OLD_LIBS" | |
2390 | fi # "${HAVE_XFT}" = "yes" | |
2391 | fi # "$HAVE_XFT" != no | |
2392 | fi # "x${with_xft}" != "xno" | |
2393 | ||
870d9cf6 GM |
2394 | ## We used to allow building with FreeType and without Xft. |
2395 | ## However, the ftx font backend driver is not in good shape. | |
067d23c9 | 2396 | if test "$HAVE_XFT" != "yes"; then |
870d9cf6 | 2397 | dnl For the "Does Emacs use" message at the end. |
067d23c9 | 2398 | HAVE_XFT=no |
870d9cf6 GM |
2399 | HAVE_FREETYPE=no |
2400 | else | |
2401 | dnl Strict linkers fail with | |
2402 | dnl ftfont.o: undefined reference to symbol 'FT_New_Face' | |
2403 | dnl if -lfreetype is not specified. | |
2404 | dnl The following is needed to set FREETYPE_LIBS. | |
2405 | PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, | |
46dcfee4 | 2406 | HAVE_FREETYPE=no) |
870d9cf6 GM |
2407 | |
2408 | test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype) | |
067d23c9 KY |
2409 | fi |
2410 | ||
067d23c9 KY |
2411 | HAVE_LIBOTF=no |
2412 | if test "${HAVE_FREETYPE}" = "yes"; then | |
2413 | AC_DEFINE(HAVE_FREETYPE, 1, | |
2414 | [Define to 1 if using the freetype and fontconfig libraries.]) | |
2415 | if test "${with_libotf}" != "no"; then | |
2416 | PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes, | |
2417 | HAVE_LIBOTF=no) | |
2418 | if test "$HAVE_LIBOTF" = "yes"; then | |
2419 | AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.]) | |
2420 | AC_CHECK_LIB(otf, OTF_get_variation_glyphs, | |
2421 | HAVE_OTF_GET_VARIATION_GLYPHS=yes, | |
2422 | HAVE_OTF_GET_VARIATION_GLYPHS=no) | |
2423 | if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then | |
2424 | AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1, | |
2425 | [Define to 1 if libotf has OTF_get_variation_glyphs.]) | |
2426 | fi | |
2427 | fi | |
2428 | fi | |
2429 | dnl FIXME should there be an error if HAVE_FREETYPE != yes? | |
2430 | dnl Does the new font backend require it, or can it work without it? | |
2431 | fi | |
2432 | ||
2433 | HAVE_M17N_FLT=no | |
2434 | if test "${HAVE_LIBOTF}" = yes; then | |
2435 | if test "${with_m17n_flt}" != "no"; then | |
2436 | PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no) | |
2437 | if test "$HAVE_M17N_FLT" = "yes"; then | |
2438 | AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.]) | |
2439 | fi | |
2440 | fi | |
2441 | fi | |
2442 | else | |
2443 | HAVE_XFT=no | |
2444 | HAVE_FREETYPE=no | |
2445 | HAVE_LIBOTF=no | |
2446 | HAVE_M17N_FLT=no | |
2447 | fi | |
2448 | ||
2449 | ### End of font-backend (under X11) section. | |
2450 | ||
2451 | AC_SUBST(FREETYPE_CFLAGS) | |
2452 | AC_SUBST(FREETYPE_LIBS) | |
2453 | AC_SUBST(FONTCONFIG_CFLAGS) | |
2454 | AC_SUBST(FONTCONFIG_LIBS) | |
2455 | AC_SUBST(LIBOTF_CFLAGS) | |
2456 | AC_SUBST(LIBOTF_LIBS) | |
2457 | AC_SUBST(M17N_FLT_CFLAGS) | |
2458 | AC_SUBST(M17N_FLT_LIBS) | |
2459 | ||
2460 | ### Use -lXpm if available, unless `--with-xpm=no'. | |
2461 | HAVE_XPM=no | |
2462 | LIBXPM= | |
2463 | if test "${HAVE_X11}" = "yes"; then | |
2464 | if test "${with_xpm}" != "no"; then | |
2465 | AC_CHECK_HEADER(X11/xpm.h, | |
2466 | [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)]) | |
2467 | if test "${HAVE_XPM}" = "yes"; then | |
2468 | AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define) | |
2469 | AC_EGREP_CPP(no_return_alloc_pixels, | |
2470 | [#include "X11/xpm.h" | |
2471 | #ifndef XpmReturnAllocPixels | |
2472 | no_return_alloc_pixels | |
2473 | #endif | |
2474 | ], HAVE_XPM=no, HAVE_XPM=yes) | |
2475 | ||
2476 | if test "${HAVE_XPM}" = "yes"; then | |
2477 | AC_MSG_RESULT(yes) | |
2478 | else | |
2479 | AC_MSG_RESULT(no) | |
2480 | fi | |
2481 | fi | |
2482 | fi | |
2483 | ||
2484 | if test "${HAVE_XPM}" = "yes"; then | |
20db1522 | 2485 | AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).]) |
067d23c9 KY |
2486 | LIBXPM=-lXpm |
2487 | fi | |
2488 | fi | |
2489 | AC_SUBST(LIBXPM) | |
2490 | ||
2491 | ### Use -ljpeg if available, unless `--with-jpeg=no'. | |
2492 | HAVE_JPEG=no | |
2493 | LIBJPEG= | |
2494 | if test "${HAVE_X11}" = "yes"; then | |
2495 | if test "${with_jpeg}" != "no"; then | |
2496 | dnl Checking for jpeglib.h can lose because of a redefinition of | |
2497 | dnl HAVE_STDLIB_H. | |
2498 | AC_CHECK_HEADER(jerror.h, | |
2499 | [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)]) | |
2500 | fi | |
2501 | ||
2502 | AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl | |
2503 | if test "${HAVE_JPEG}" = "yes"; then | |
2504 | AC_DEFINE(HAVE_JPEG) | |
2505 | AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])], | |
2506 | [#include <jpeglib.h> | |
2507 | version=JPEG_LIB_VERSION | |
2508 | ], | |
2509 | [AC_DEFINE(HAVE_JPEG)], | |
2510 | [AC_MSG_WARN([libjpeg found, but not version 6b or later]) | |
2511 | HAVE_JPEG=no]) | |
2512 | fi | |
2513 | if test "${HAVE_JPEG}" = "yes"; then | |
2514 | LIBJPEG=-ljpeg | |
2515 | fi | |
2516 | fi | |
2517 | AC_SUBST(LIBJPEG) | |
2518 | ||
2519 | ### Use -lpng if available, unless `--with-png=no'. | |
2520 | HAVE_PNG=no | |
2521 | LIBPNG= | |
2522 | if test "${HAVE_X11}" = "yes"; then | |
2523 | if test "${with_png}" != "no"; then | |
2524 | # Debian unstable as of July 2003 has multiple libpngs, and puts png.h | |
2525 | # in /usr/include/libpng. | |
0ccb0b09 | 2526 | AC_CHECK_HEADERS(png.h libpng/png.h, break) |
067d23c9 KY |
2527 | if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then |
2528 | AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm) | |
2529 | fi | |
2530 | fi | |
2531 | ||
2532 | if test "${HAVE_PNG}" = "yes"; then | |
2533 | AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).]) | |
2534 | LIBPNG="-lpng -lz -lm" | |
0ccb0b09 PE |
2535 | |
2536 | AC_CHECK_DECL(png_longjmp, | |
2537 | [], | |
cda158b4 | 2538 | [AC_DEFINE(PNG_DEPSTRUCT, [], |
0ccb0b09 PE |
2539 | [Define to empty to suppress deprecation warnings when building |
2540 | with --enable-gcc-warnings and with libpng versions before 1.5, | |
2541 | which lack png_longjmp.])], | |
2542 | [[#ifdef HAVE_LIBPNG_PNG_H | |
2543 | # include <libpng/png.h> | |
2544 | #else | |
2545 | # include <png.h> | |
2546 | #endif | |
2547 | ]]) | |
067d23c9 KY |
2548 | fi |
2549 | fi | |
2550 | AC_SUBST(LIBPNG) | |
2551 | ||
2552 | ### Use -ltiff if available, unless `--with-tiff=no'. | |
2553 | HAVE_TIFF=no | |
2554 | LIBTIFF= | |
2555 | if test "${HAVE_X11}" = "yes"; then | |
2556 | if test "${with_tiff}" != "no"; then | |
2557 | AC_CHECK_HEADER(tiffio.h, | |
2558 | [tifflibs="-lz -lm" | |
2559 | # At least one tiff package requires the jpeg library. | |
2560 | if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi | |
2561 | AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)]) | |
2562 | fi | |
2563 | ||
2564 | if test "${HAVE_TIFF}" = "yes"; then | |
2565 | AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).]) | |
2566 | dnl FIXME -lz -lm, as per libpng? | |
2567 | LIBTIFF=-ltiff | |
2568 | fi | |
2569 | fi | |
2570 | AC_SUBST(LIBTIFF) | |
2571 | ||
2572 | ### Use -lgif or -lungif if available, unless `--with-gif=no'. | |
2573 | HAVE_GIF=no | |
2574 | LIBGIF= | |
2575 | if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then | |
2576 | AC_CHECK_HEADER(gif_lib.h, | |
2577 | # EGifPutExtensionLast only exists from version libungif-4.1.0b1. | |
2578 | # Earlier versions can crash Emacs. | |
2579 | [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)]) | |
2580 | ||
2581 | if test "$HAVE_GIF" = yes; then | |
2582 | LIBGIF=-lgif | |
2583 | elif test "$HAVE_GIF" = maybe; then | |
2584 | # If gif_lib.h but no libgif, try libungif. | |
2585 | AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no) | |
2586 | test "$HAVE_GIF" = yes && LIBGIF=-lungif | |
2587 | fi | |
2588 | ||
2589 | if test "${HAVE_GIF}" = "yes"; then | |
2590 | AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.]) | |
2591 | fi | |
2592 | fi | |
2593 | AC_SUBST(LIBGIF) | |
2594 | ||
2595 | dnl Check for required libraries. | |
2596 | if test "${HAVE_X11}" = "yes"; then | |
2597 | MISSING="" | |
2598 | WITH_NO="" | |
2599 | test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" && | |
2600 | MISSING="libXpm" && WITH_NO="--with-xpm=no" | |
2601 | test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" && | |
2602 | MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no" | |
2603 | test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" && | |
2604 | MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no" | |
2605 | test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" && | |
2606 | MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no" | |
2607 | test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" && | |
2608 | MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no" | |
2609 | ||
2610 | if test "X${MISSING}" != X; then | |
2611 | AC_MSG_ERROR([The following required libraries were not found: | |
2612 | $MISSING | |
2613 | Maybe some development libraries/packages are missing? | |
2614 | If you don't want to link with them give | |
2615 | $WITH_NO | |
2616 | as options to configure]) | |
2617 | fi | |
2618 | fi | |
2619 | ||
2620 | ### Use -lgpm if available, unless `--with-gpm=no'. | |
2621 | HAVE_GPM=no | |
2622 | LIBGPM= | |
067d23c9 KY |
2623 | if test "${with_gpm}" != "no"; then |
2624 | AC_CHECK_HEADER(gpm.h, | |
2625 | [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)]) | |
2626 | ||
2627 | if test "${HAVE_GPM}" = "yes"; then | |
2628 | AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).]) | |
2629 | LIBGPM=-lgpm | |
067d23c9 KY |
2630 | fi |
2631 | fi | |
2632 | AC_SUBST(LIBGPM) | |
2633 | ||
2634 | dnl Check for malloc/malloc.h on darwin | |
0e7a053e | 2635 | AC_CHECK_HEADERS_ONCE(malloc/malloc.h) |
067d23c9 | 2636 | |
2f097256 | 2637 | GNUSTEP_CFLAGS= |
067d23c9 KY |
2638 | ### Use NeXTstep API to implement GUI. |
2639 | if test "${HAVE_NS}" = "yes"; then | |
2640 | AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.]) | |
2641 | if test "${NS_IMPL_COCOA}" = "yes"; then | |
2642 | AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.]) | |
067d23c9 KY |
2643 | fi |
2644 | if test "${NS_IMPL_GNUSTEP}" = "yes"; then | |
2645 | AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.]) | |
2646 | # See also .m.o rule in Makefile.in */ | |
2647 | # FIXME: are all these flags really needed? Document here why. */ | |
2f097256 | 2648 | GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}" |
0cc87afb GM |
2649 | ## Extra CFLAGS applied to src/*.m files. |
2650 | 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" | |
067d23c9 | 2651 | fi |
067d23c9 KY |
2652 | # We also have mouse menus. |
2653 | HAVE_MENUS=yes | |
2654 | OTHER_FILES=ns-app | |
2655 | fi | |
2656 | ||
2657 | ||
2658 | ### Use session management (-lSM -lICE) if available | |
2659 | HAVE_X_SM=no | |
2660 | LIBXSM= | |
2661 | if test "${HAVE_X11}" = "yes"; then | |
2662 | AC_CHECK_HEADER(X11/SM/SMlib.h, | |
2663 | [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)]) | |
2664 | ||
2665 | if test "${HAVE_X_SM}" = "yes"; then | |
2666 | AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).]) | |
2667 | LIBXSM="-lSM -lICE" | |
2668 | case "$LIBS" in | |
2669 | *-lSM*) ;; | |
2670 | *) LIBS="$LIBXSM $LIBS" ;; | |
2671 | esac | |
2672 | fi | |
2673 | fi | |
2674 | AC_SUBST(LIBXSM) | |
2675 | ||
2676 | ### Use libxml (-lxml2) if available | |
04d51ad4 | 2677 | HAVE_LIBXML2=no |
067d23c9 KY |
2678 | if test "${with_xml2}" != "no"; then |
2679 | ### I'm not sure what the version number should be, so I just guessed. | |
dab73760 | 2680 | PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no) |
067d23c9 KY |
2681 | if test "${HAVE_LIBXML2}" = "yes"; then |
2682 | LIBS="$LIBXML2_LIBS $LIBS" | |
2683 | AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no) | |
2684 | if test "${HAVE_LIBXML2}" = "yes"; then | |
2685 | AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).]) | |
2686 | else | |
2687 | LIBXML2_LIBS="" | |
2688 | LIBXML2_CFLAGS="" | |
2689 | fi | |
2690 | fi | |
2691 | fi | |
2692 | AC_SUBST(LIBXML2_LIBS) | |
2693 | AC_SUBST(LIBXML2_CFLAGS) | |
2694 | ||
2695 | # If netdb.h doesn't declare h_errno, we must declare it by hand. | |
2696 | AC_CACHE_CHECK(whether netdb declares h_errno, | |
2697 | emacs_cv_netdb_declares_h_errno, | |
181855e6 GM |
2698 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]], |
2699 | [[return h_errno;]])], | |
067d23c9 KY |
2700 | emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)]) |
2701 | if test $emacs_cv_netdb_declares_h_errno = yes; then | |
2702 | AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.]) | |
2703 | fi | |
2704 | ||
c990426a PE |
2705 | # sqrt and other floating-point functions such as fmod and frexp |
2706 | # are found in -lm on most systems. | |
067d23c9 KY |
2707 | AC_CHECK_LIB(m, sqrt) |
2708 | ||
2709 | # Check for mail-locking functions in a "mail" library. Probably this should | |
2710 | # have the same check as for liblockfile below. | |
2711 | AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no) | |
2712 | if test $have_mail = yes; then | |
2713 | LIBS_MAIL=-lmail | |
2714 | LIBS="$LIBS_MAIL $LIBS" | |
2715 | AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).]) | |
2716 | else | |
2717 | LIBS_MAIL= | |
2718 | fi | |
2719 | dnl Debian, at least: | |
2720 | AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no) | |
2721 | if test $have_lockfile = yes; then | |
2722 | LIBS_MAIL=-llockfile | |
2723 | LIBS="$LIBS_MAIL $LIBS" | |
2724 | AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).]) | |
2725 | else | |
2726 | # If we have the shared liblockfile, assume we must use it for mail | |
2727 | # locking (e.g. Debian). If we couldn't link against liblockfile | |
2728 | # (no liblockfile.a installed), ensure that we don't need to. | |
2729 | dnl This works for files generally, not just executables. | |
2730 | dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf? | |
2731 | AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no, | |
2732 | /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH) | |
2733 | if test $ac_cv_prog_liblockfile = yes; then | |
2734 | AC_MSG_ERROR([Shared liblockfile found but can't link against it. | |
2735 | This probably means that movemail could lose mail. | |
2736 | There may be a `development' package to install containing liblockfile.]) | |
2737 | fi | |
2738 | fi | |
0e7a053e | 2739 | AC_CHECK_HEADERS_ONCE(maillock.h) |
067d23c9 KY |
2740 | AC_SUBST(LIBS_MAIL) |
2741 | ||
2742 | ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to | |
2743 | ## interlock access to the mail spool. The alternative is a lock file named | |
2744 | ## /usr/spool/mail/$USER.lock. | |
2745 | mail_lock=no | |
2746 | case "$opsys" in | |
2747 | aix4-2) mail_lock="lockf" ;; | |
2748 | ||
2749 | gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;; | |
2750 | ||
2751 | ## On GNU/Linux systems, both methods are used by various mail programs. | |
2752 | ## I assume most people are using newer mailers that have heard of flock. | |
2753 | ## Change this if you need to. | |
2754 | ## Debian contains a patch which says: ``On Debian/GNU/Linux systems, | |
2755 | ## configure gets the right answers, and that means *NOT* using flock. | |
2756 | ## Using flock is guaranteed to be the wrong thing. See Debian Policy | |
2757 | ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the | |
2758 | ## Debian maintainer hasn't provided a clean fix for Emacs. | |
2759 | ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and | |
2760 | ## HAVE_MAILLOCK_H are defined, so the following appears to be the | |
2761 | ## correct logic. -- fx | |
2762 | ## We must check for HAVE_LIBLOCKFILE too, as movemail does. | |
2763 | ## liblockfile is a Free Software replacement for libmail, used on | |
2764 | ## Debian systems and elsewhere. -rfr. | |
2765 | gnu-*) | |
2766 | mail_lock="flock" | |
2767 | if test $have_mail = yes || test $have_lockfile = yes; then | |
2768 | test $ac_cv_header_maillock_h = yes && mail_lock=no | |
2769 | fi | |
2770 | ;; | |
2771 | esac | |
2772 | ||
2773 | BLESSMAIL_TARGET= | |
2774 | case "$mail_lock" in | |
2775 | flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;; | |
2776 | ||
2777 | lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;; | |
2778 | ||
2779 | *) BLESSMAIL_TARGET="need-blessmail" ;; | |
2780 | esac | |
2781 | AC_SUBST(BLESSMAIL_TARGET) | |
2782 | ||
2783 | ||
54e8a418 | 2784 | AC_CHECK_FUNCS(gethostname \ |
bb352260 | 2785 | closedir getrusage get_current_dir_name \ |
c990426a | 2786 | lrand48 setsid \ |
5ebbef1d | 2787 | fpathconf select euidaccess getpagesize setlocale \ |
4516fbef | 2788 | utimes getrlimit setrlimit setpgid getcwd shutdown getaddrinfo \ |
9232a6d9 | 2789 | __fpending strsignal setitimer \ |
03043c1b | 2790 | sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \ |
9232a6d9 PE |
2791 | gai_strerror mkstemp getline getdelim fsync sync \ |
2792 | difftime posix_memalign \ | |
316411f0 | 2793 | getpwent endpwent getgrent endgrent \ |
03043c1b | 2794 | touchlock \ |
c8199d0f | 2795 | cfmakeraw cfsetspeed copysign __executable_start) |
067d23c9 | 2796 | |
4516fbef | 2797 | dnl getwd appears to be buggy on SVR4.2, so we don't use it. |
1db4583a GM |
2798 | if test $opsys = unixware; then |
2799 | dnl In case some other test ends up checking for getwd. | |
2800 | AC_DEFINE(BROKEN_GETWD, 1, [Define if getwd should not be used.]) | |
2801 | else | |
4516fbef GM |
2802 | AC_CHECK_FUNCS(getwd) |
2803 | fi | |
2804 | ||
2805 | ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines | |
2806 | ## has a broken `rint' in some library versions including math library | |
2807 | ## version number A.09.05. | |
2808 | ## You can fix the math library by installing patch number PHSS_4630. | |
2809 | ## But we can fix it more reliably for Emacs by just not using rint. | |
5af2266c | 2810 | ## We also skip HAVE_RANDOM - see comments in src/conf_post.h. |
4516fbef GM |
2811 | case $opsys in |
2812 | hpux*) : ;; | |
2813 | *) AC_CHECK_FUNCS(random rint) ;; | |
2814 | esac | |
2815 | ||
2018939f AS |
2816 | dnl Cannot use AC_CHECK_FUNCS |
2817 | AC_CACHE_CHECK([for __builtin_unwind_init], | |
2818 | emacs_cv_func___builtin_unwind_init, | |
2819 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])], | |
2820 | emacs_cv_func___builtin_unwind_init=yes, | |
2821 | emacs_cv_func___builtin_unwind_init=no)]) | |
2822 | if test $emacs_cv_func___builtin_unwind_init = yes; then | |
2823 | AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1, | |
2824 | [Define to 1 if you have the `__builtin_unwind_init' function.]) | |
2825 | fi | |
2826 | ||
0e7a053e | 2827 | AC_CHECK_HEADERS_ONCE(sys/un.h) |
067d23c9 | 2828 | |
067d23c9 KY |
2829 | AC_FUNC_FSEEKO |
2830 | ||
067d23c9 KY |
2831 | AC_FUNC_GETPGRP |
2832 | ||
067d23c9 | 2833 | # UNIX98 PTYs. |
54e8a418 | 2834 | AC_CHECK_FUNCS(grantpt) |
067d23c9 KY |
2835 | |
2836 | # PTY-related GNU extensions. | |
1598ef28 | 2837 | AC_CHECK_FUNCS(getpt posix_openpt) |
067d23c9 KY |
2838 | |
2839 | # Check this now, so that we will NOT find the above functions in ncurses. | |
2840 | # That is because we have not set up to link ncurses in lib-src. | |
2841 | # It's better to believe a function is not available | |
2842 | # than to expect to find it in ncurses. | |
2843 | # Also we need tputs and friends to be able to build at all. | |
f20f95c6 PE |
2844 | AC_MSG_CHECKING([for library containing tputs]) |
2845 | # Run a test program that contains a call to tputs, a call that is | |
2846 | # never executed. This tests whether a pre-'main' dynamic linker | |
2847 | # works with the library. It's too much trouble to actually call | |
2848 | # tputs in the test program, due to portability hassles. When | |
2849 | # cross-compiling, assume the test program will run if it links. | |
2850 | AC_DEFUN([tputs_link_source], [ | |
2851 | AC_LANG_SOURCE( | |
2852 | [[extern void tputs (const char *, int, int (*)(int)); | |
2853 | int main (int argc, char **argv) | |
2854 | { | |
2855 | if (argc == 10000) | |
2856 | tputs (argv[0], 0, 0); | |
2857 | return 0; | |
2858 | }]]) | |
2859 | ]) | |
fd8dea03 GM |
2860 | # Maybe curses should be tried earlier? |
2861 | # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35 | |
a4a18b8b | 2862 | for tputs_library in '' tinfo ncurses terminfo termcap curses; do |
f20f95c6 PE |
2863 | OLIBS=$LIBS |
2864 | if test -z "$tputs_library"; then | |
2865 | LIBS_TERMCAP= | |
2866 | msg='none required' | |
2867 | else | |
2868 | LIBS_TERMCAP=-l$tputs_library | |
2869 | msg=$LIBS_TERMCAP | |
2870 | LIBS="$LIBS_TERMCAP $LIBS" | |
2871 | fi | |
2872 | AC_RUN_IFELSE([tputs_link_source], [], [msg=no], | |
2873 | [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])]) | |
2874 | LIBS=$OLIBS | |
2875 | if test "X$msg" != Xno; then | |
2876 | break | |
2877 | fi | |
2878 | done | |
2879 | AC_MSG_RESULT([$msg]) | |
2880 | if test "X$msg" = Xno; then | |
fd8dea03 | 2881 | AC_MSG_ERROR([The required function `tputs' was not found in any library. |
a4a18b8b GM |
2882 | The following libraries were tried (in order): |
2883 | libtinfo, libncurses, libterminfo, libtermcap, libcurses | |
fd8dea03 GM |
2884 | Please try installing whichever of these libraries is most appropriate |
2885 | for your system, together with its header files. | |
2886 | For example, a libncurses-dev(el) or similar package.]) | |
067d23c9 | 2887 | fi |
067d23c9 | 2888 | |
262f06da GM |
2889 | ## Use termcap instead of terminfo? |
2890 | ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500. | |
2891 | TERMINFO=yes | |
a4a18b8b GM |
2892 | ## FIXME? In the cases below where we unconditionally set |
2893 | ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo, | |
2894 | ## if that was found above to have tputs. | |
2895 | ## Should we use the gnu* logic everywhere? | |
067d23c9 | 2896 | case "$opsys" in |
067d23c9 KY |
2897 | ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2. |
2898 | ## The ncurses library has been moved out of the System framework in | |
2899 | ## Mac OS X 10.2. So if configure detects it, set the command-line | |
2900 | ## option to use it. | |
a4a18b8b GM |
2901 | darwin) LIBS_TERMCAP="-lncurses" ;; |
2902 | ||
01319a4e | 2903 | gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;; |
067d23c9 KY |
2904 | |
2905 | freebsd) | |
2906 | AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo]) | |
2907 | AC_CACHE_VAL(emacs_cv_freebsd_terminfo, | |
181855e6 GM |
2908 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]], |
2909 | [[#if __FreeBSD_version < 400000 | |
067d23c9 KY |
2910 | fail; |
2911 | #endif | |
181855e6 | 2912 | ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)]) |
067d23c9 KY |
2913 | |
2914 | AC_MSG_RESULT($emacs_cv_freebsd_terminfo) | |
2915 | ||
2916 | if test $emacs_cv_freebsd_terminfo = yes; then | |
067d23c9 KY |
2917 | LIBS_TERMCAP="-lncurses" |
2918 | else | |
262f06da | 2919 | TERMINFO=no |
067d23c9 KY |
2920 | LIBS_TERMCAP="-ltermcap" |
2921 | fi | |
2922 | ;; | |
2923 | ||
2924 | netbsd) | |
01319a4e | 2925 | if test "x$LIBS_TERMCAP" != "x-lterminfo"; then |
262f06da | 2926 | TERMINFO=no |
067d23c9 KY |
2927 | LIBS_TERMCAP="-ltermcap" |
2928 | fi | |
2929 | ;; | |
2930 | ||
3ba0a545 | 2931 | openbsd) LIBS_TERMCAP="-lncurses" ;; |
067d23c9 | 2932 | |
067d23c9 KY |
2933 | ## hpux: Make sure we get select from libc rather than from libcurses |
2934 | ## because libcurses on HPUX 10.10 has a broken version of select. | |
2935 | ## We used to use -lc -lcurses, but this may be cleaner. | |
e3da5b19 GM |
2936 | ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly |
2937 | # set that way, now it uses the default). Isn't this a contradiction? | |
067d23c9 KY |
2938 | hpux*) LIBS_TERMCAP="-ltermcap" ;; |
2939 | ||
067d23c9 KY |
2940 | esac |
2941 | ||
2942 | TERMCAP_OBJ=tparam.o | |
2943 | if test $TERMINFO = yes; then | |
2944 | AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.]) | |
067d23c9 KY |
2945 | TERMCAP_OBJ=terminfo.o |
2946 | fi | |
2947 | AC_SUBST(LIBS_TERMCAP) | |
2948 | AC_SUBST(TERMCAP_OBJ) | |
2949 | ||
2950 | ||
2951 | # Do we have res_init, for detecting changes in /etc/resolv.conf? | |
4516fbef GM |
2952 | # On Darwin, res_init appears not to be useful: see bug#562 and |
2953 | # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html | |
067d23c9 | 2954 | resolv=no |
4516fbef GM |
2955 | |
2956 | if test $opsys != darwin; then | |
2957 | ||
2958 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h> | |
067d23c9 | 2959 | #include <arpa/nameser.h> |
181855e6 GM |
2960 | #include <resolv.h>]], |
2961 | [[return res_init();]])], | |
067d23c9 | 2962 | have_res_init=yes, have_res_init=no) |
4516fbef GM |
2963 | if test "$have_res_init" = no; then |
2964 | OLIBS="$LIBS" | |
2965 | LIBS="$LIBS -lresolv" | |
2966 | AC_MSG_CHECKING(for res_init with -lresolv) | |
2967 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h> | |
067d23c9 | 2968 | #include <arpa/nameser.h> |
181855e6 | 2969 | #include <resolv.h>]], |
4516fbef GM |
2970 | [[return res_init();]])], |
2971 | have_res_init=yes, have_res_init=no) | |
2972 | AC_MSG_RESULT($have_res_init) | |
2973 | if test "$have_res_init" = yes ; then | |
2974 | resolv=yes | |
2975 | fi | |
2976 | LIBS="$OLIBS" | |
067d23c9 | 2977 | fi |
067d23c9 | 2978 | |
4516fbef GM |
2979 | if test "$have_res_init" = yes; then |
2980 | AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.]) | |
2981 | fi | |
2982 | fi dnl !darwin | |
067d23c9 KY |
2983 | |
2984 | # Do we need the Hesiod library to provide the support routines? | |
4516fbef | 2985 | dnl FIXME? Should we be skipping this on Darwin too? |
067d23c9 KY |
2986 | LIBHESIOD= |
2987 | if test "$with_hesiod" != no ; then | |
2988 | # Don't set $LIBS here -- see comments above. FIXME which comments? | |
2989 | AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, , | |
2990 | [AC_CHECK_LIB(resolv, res_send, resolv=yes, | |
2991 | [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])]) | |
2992 | if test "$resolv" = yes ; then | |
2993 | RESOLVLIB=-lresolv | |
2994 | else | |
2995 | RESOLVLIB= | |
2996 | fi | |
2997 | AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost, | |
2998 | hesiod=yes, :, $RESOLVLIB)]) | |
2999 | ||
3000 | if test x"$hesiod" = xyes; then | |
3001 | AC_DEFINE(HAVE_LIBHESIOD, 1, | |
3002 | [Define to 1 if you have the hesiod library (-lhesiod).]) | |
3003 | LIBHESIOD=-lhesiod | |
3004 | fi | |
3005 | fi | |
3006 | AC_SUBST(LIBHESIOD) | |
3007 | ||
3008 | # Do we need libresolv (due to res_init or Hesiod)? | |
4516fbef | 3009 | if test "$resolv" = yes && test $opsys != darwin; then |
067d23c9 KY |
3010 | AC_DEFINE(HAVE_LIBRESOLV, 1, |
3011 | [Define to 1 if you have the resolv library (-lresolv).]) | |
3012 | LIBRESOLV=-lresolv | |
3013 | else | |
3014 | LIBRESOLV= | |
3015 | fi | |
3016 | AC_SUBST(LIBRESOLV) | |
3017 | ||
3018 | # These tell us which Kerberos-related libraries to use. | |
3019 | COM_ERRLIB= | |
3020 | CRYPTOLIB= | |
3021 | KRB5LIB= | |
3022 | DESLIB= | |
3023 | KRB4LIB= | |
3024 | ||
3025 | if test "${with_kerberos}" != no; then | |
3026 | AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no) | |
3027 | if test $have_com_err = yes; then | |
3028 | COM_ERRLIB=-lcom_err | |
3029 | LIBS="$COM_ERRLIB $LIBS" | |
3030 | AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).]) | |
3031 | fi | |
3032 | AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no) | |
3033 | if test $have_crypto = yes; then | |
3034 | CRYPTOLIB=-lcrypto | |
3035 | LIBS="$CRYPTOLIB $LIBS" | |
3036 | AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).]) | |
3037 | fi | |
3038 | AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no) | |
3039 | if test $have_k5crypto = yes; then | |
3040 | CRYPTOLIB=-lk5crypto | |
3041 | LIBS="$CRYPTOLIB $LIBS" | |
3042 | AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).]) | |
3043 | fi | |
3044 | AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no) | |
3045 | if test $have_krb5=yes; then | |
3046 | KRB5LIB=-lkrb5 | |
3047 | LIBS="$KRB5LIB $LIBS" | |
3048 | AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).]) | |
3049 | fi | |
3050 | dnl FIXME Simplify. Does not match 22 logic, thanks to default_off? | |
3051 | if test "${with_kerberos5}" = no; then | |
3052 | AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no ) | |
3053 | if test $have_des425 = yes; then | |
3054 | DESLIB=-ldes425 | |
3055 | LIBS="$DESLIB $LIBS" | |
3056 | AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).]) | |
3057 | else | |
3058 | AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no) | |
3059 | if test $have_des = yes; then | |
3060 | DESLIB=-ldes | |
3061 | LIBS="$DESLIB $LIBS" | |
3062 | AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).]) | |
3063 | fi | |
3064 | fi | |
3065 | AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no) | |
3066 | if test $have_krb4 = yes; then | |
3067 | KRB4LIB=-lkrb4 | |
3068 | LIBS="$KRB4LIB $LIBS" | |
3069 | AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).]) | |
3070 | else | |
3071 | AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no) | |
3072 | if test $have_krb = yes; then | |
3073 | KRB4LIB=-lkrb | |
3074 | LIBS="$KRB4LIB $LIBS" | |
3075 | AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).]) | |
3076 | fi | |
3077 | fi | |
3078 | fi | |
3079 | ||
3080 | if test "${with_kerberos5}" != no; then | |
3081 | AC_CHECK_HEADERS(krb5.h, | |
3082 | [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,, | |
3083 | [#include <krb5.h>])]) | |
3084 | else | |
3085 | AC_CHECK_HEADERS(des.h,, | |
3086 | [AC_CHECK_HEADERS(kerberosIV/des.h,, | |
3087 | [AC_CHECK_HEADERS(kerberos/des.h)])]) | |
3088 | AC_CHECK_HEADERS(krb.h,, | |
3089 | [AC_CHECK_HEADERS(kerberosIV/krb.h,, | |
3090 | [AC_CHECK_HEADERS(kerberos/krb.h)])]) | |
3091 | fi | |
3092 | AC_CHECK_HEADERS(com_err.h) | |
3093 | fi | |
3094 | ||
3095 | AC_SUBST(COM_ERRLIB) | |
3096 | AC_SUBST(CRYPTOLIB) | |
3097 | AC_SUBST(KRB5LIB) | |
3098 | AC_SUBST(DESLIB) | |
3099 | AC_SUBST(KRB4LIB) | |
3100 | ||
554fef51 | 3101 | AC_CHECK_FUNCS_ONCE(tzset) |
067d23c9 KY |
3102 | AC_MSG_CHECKING(whether localtime caches TZ) |
3103 | AC_CACHE_VAL(emacs_cv_localtime_cache, | |
3104 | [if test x$ac_cv_func_tzset = xyes; then | |
181855e6 | 3105 | AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h> |
067d23c9 KY |
3106 | char TZ_GMT0[] = "TZ=GMT0"; |
3107 | char TZ_PST8[] = "TZ=PST8"; | |
3108 | main() | |
3109 | { | |
3110 | time_t now = time ((time_t *) 0); | |
3111 | int hour_GMT0, hour_unset; | |
3112 | if (putenv (TZ_GMT0) != 0) | |
3113 | exit (1); | |
3114 | hour_GMT0 = localtime (&now)->tm_hour; | |
3115 | unsetenv("TZ"); | |
3116 | hour_unset = localtime (&now)->tm_hour; | |
3117 | if (putenv (TZ_PST8) != 0) | |
3118 | exit (1); | |
3119 | if (localtime (&now)->tm_hour == hour_GMT0) | |
3120 | exit (1); | |
3121 | unsetenv("TZ"); | |
3122 | if (localtime (&now)->tm_hour != hour_unset) | |
3123 | exit (1); | |
3124 | exit (0); | |
181855e6 | 3125 | }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes, |
067d23c9 KY |
3126 | [# If we have tzset, assume the worst when cross-compiling. |
3127 | emacs_cv_localtime_cache=yes]) | |
3128 | else | |
3129 | # If we lack tzset, report that localtime does not cache TZ, | |
3130 | # since we can't invalidate the cache if we don't have tzset. | |
3131 | emacs_cv_localtime_cache=no | |
3132 | fi])dnl | |
3133 | AC_MSG_RESULT($emacs_cv_localtime_cache) | |
3134 | if test $emacs_cv_localtime_cache = yes; then | |
3135 | AC_DEFINE(LOCALTIME_CACHE, 1, | |
3136 | [Define to 1 if localtime caches TZ.]) | |
3137 | fi | |
3138 | ||
067d23c9 KY |
3139 | ok_so_far=yes |
3140 | AC_CHECK_FUNC(socket, , ok_so_far=no) | |
3141 | if test $ok_so_far = yes; then | |
3142 | AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no) | |
3143 | fi | |
3144 | if test $ok_so_far = yes; then | |
3145 | AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no) | |
3146 | fi | |
3147 | if test $ok_so_far = yes; then | |
3148 | dnl Fixme: Not used. Should this be HAVE_SOCKETS? | |
3149 | AC_DEFINE(HAVE_INET_SOCKETS, 1, | |
3150 | [Define to 1 if you have inet sockets.]) | |
3151 | fi | |
3152 | ||
3153 | if test -f /usr/lpp/X11/bin/smt.exp; then | |
3154 | AC_DEFINE(HAVE_AIX_SMT_EXP, 1, | |
3155 | [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.]) | |
3156 | fi | |
3157 | ||
3158 | AC_MSG_CHECKING(whether system supports dynamic ptys) | |
3159 | if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then | |
3160 | AC_MSG_RESULT(yes) | |
3161 | AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.]) | |
3162 | else | |
3163 | AC_MSG_RESULT(no) | |
3164 | fi | |
3165 | ||
3166 | AC_FUNC_FORK | |
3167 | ||
54e8a418 | 3168 | AC_CHECK_FUNCS(snprintf) |
55e5faa1 | 3169 | |
067d23c9 KY |
3170 | dnl Adapted from Haible's version. |
3171 | AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset, | |
181855e6 GM |
3172 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]], |
3173 | [[char* cs = nl_langinfo(CODESET);]])], | |
067d23c9 KY |
3174 | emacs_cv_langinfo_codeset=yes, |
3175 | emacs_cv_langinfo_codeset=no) | |
3176 | ]) | |
3177 | if test $emacs_cv_langinfo_codeset = yes; then | |
3178 | AC_DEFINE(HAVE_LANGINFO_CODESET, 1, | |
3179 | [Define if you have <langinfo.h> and nl_langinfo(CODESET).]) | |
3180 | fi | |
3181 | ||
067d23c9 KY |
3182 | AC_TYPE_MBSTATE_T |
3183 | ||
067d23c9 | 3184 | AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr, |
181855e6 | 3185 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])], |
067d23c9 KY |
3186 | emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)]) |
3187 | if test "$emacs_cv_c_restrict_arr" = yes; then | |
3188 | AC_DEFINE(__restrict_arr, __restrict, | |
3189 | [Define to compiler's equivalent of C99 restrict keyword in array | |
3190 | declarations. Define as empty for no equivalent.]) | |
3191 | fi | |
3192 | ||
3193 | dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear | |
3194 | dnl how the tty code is related to POSIX and/or other versions of termios. | |
3195 | dnl The following looks like a useful start. | |
3196 | dnl | |
3197 | dnl AC_SYS_POSIX_TERMIOS | |
3198 | dnl if test $ac_cv_sys_posix_termios = yes; then | |
3199 | dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions | |
3200 | dnl and macros for terminal control.]) | |
3201 | dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.]) | |
3202 | dnl fi | |
3203 | ||
8d8e2dfe GM |
3204 | dnl Turned on June 1996 supposing nobody will mind it. |
3205 | AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that & | |
3206 | in the full name stands for the login id.]) | |
3207 | ||
172bedef GM |
3208 | dnl Every platform that uses configure (ie every non-MS platform) |
3209 | dnl supports this. There is a create-lockfiles option you can | |
3210 | dnl customize if you do not want the lock files to be written. | |
3211 | dnl So it is not clear that this #define still needs to exist. | |
3212 | AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written, | |
3213 | so that Emacs can tell instantly when you try to modify a file that | |
3214 | someone else has modified in his/her Emacs.]) | |
3215 | ||
ee1cf5cf GM |
3216 | dnl Everybody supports this, except MS. |
3217 | dnl Seems like the kind of thing we should be testing for, though. | |
3218 | ## Note: PTYs are broken on darwin <6. Use at your own risk. | |
3219 | AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.]) | |
3220 | ||
3221 | dnl Everybody supports this, except MS-DOS. | |
3222 | dnl Seems like the kind of thing we should be testing for, though. | |
3223 | dnl Compare with HAVE_INET_SOCKETS (which is unused...) above. | |
3224 | AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports | |
3225 | 4.2-compatible sockets.]) | |
3226 | ||
ca35a5f7 GM |
3227 | AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".]) |
3228 | ||
b2c7a106 GM |
3229 | AC_DEFINE(NULL_DEVICE, ["/dev/null"], [Name of the file to open to get |
3230 | a null file, or a data sink.]) | |
3231 | ||
3232 | AC_DEFINE(SEPCHAR, [':'], [Character that separates PATH elements.]) | |
3233 | ||
8d8e2dfe GM |
3234 | dnl Everybody supports this, except MS-DOS. |
3235 | AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.]) | |
3236 | ||
b2c7a106 GM |
3237 | AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.]) |
3238 | ||
ee1cf5cf | 3239 | |
9374581a GM |
3240 | AC_DEFINE(DIRECTORY_SEP, ['/'], |
3241 | [Character that separates directories in a file name.]) | |
3242 | ||
5c0c0e8a GM |
3243 | dnl Only used on MS platforms. |
3244 | AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.]) | |
3245 | ||
3246 | AC_DEFINE(IS_DEVICE_SEP(_c_), 0, | |
3247 | [Returns true if character is a device separator.]) | |
3248 | ||
3249 | AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)], | |
3250 | [Returns true if character is a directory separator.]) | |
3251 | ||
3252 | dnl On MS, this also accepts IS_DEVICE_SEP. | |
3253 | AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))], | |
3254 | [Returns true if character is any form of separator.]) | |
3255 | ||
3256 | ||
ba9e4b84 GM |
3257 | AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.]) |
3258 | ||
3259 | case $opsys in | |
3260 | aix4-2) | |
3261 | dnl Unfortunately without libXmu we cannot support EditRes. | |
3262 | if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then | |
5dad233c | 3263 | AC_DEFINE(NO_EDITRES, 1) |
ba9e4b84 GM |
3264 | fi |
3265 | ;; | |
3266 | ||
3267 | hpux*) | |
3268 | dnl Assar Westerlund <assar@sics.se> says this is necessary for | |
3269 | dnl HP-UX 10.20, and that it works for HP-UX 0 as well. | |
3270 | AC_DEFINE(NO_EDITRES, 1) | |
3271 | ;; | |
3272 | esac | |
3273 | ||
3274 | ||
45fa9c0f | 3275 | case $opsys in |
739ae010 GM |
3276 | irix6-5 | sol2* | unixware ) |
3277 | dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments; | |
3278 | dnl instead, there's a system variable _sys_nsig. Unfortunately, we | |
3279 | dnl need the constant to dimension an array. So wire in the appropriate | |
3280 | dnl value here. | |
3281 | AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.]) | |
3282 | ;; | |
45fa9c0f GM |
3283 | esac |
3284 | ||
4a4bbad2 | 3285 | emacs_broken_SIGIO=no |
ea0bbd17 | 3286 | |
45fa9c0f | 3287 | case $opsys in |
ea0bbd17 GM |
3288 | dnl SIGIO exists, but the feature doesn't work in the way Emacs needs. |
3289 | dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>. | |
45fa9c0f | 3290 | hpux* | irix6-5 | openbsd | sol2* | unixware ) |
4a4bbad2 | 3291 | emacs_broken_SIGIO=yes |
c5564388 GM |
3292 | ;; |
3293 | ||
ea0bbd17 | 3294 | aix4-2) |
42bd1719 GM |
3295 | dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given |
3296 | dnl the way this system works, libc functions that return malloced | |
3297 | dnl memory use the libc malloc implementation. Calling xfree or | |
3298 | dnl xrealloc on the results of such functions results in a crash. | |
3299 | dnl | |
3300 | dnl One solution for this could be to define SYSTEM_MALLOC in configure, | |
3301 | dnl but that does not currently work on this system. | |
3302 | dnl | |
3303 | dnl It is possible to completely override the malloc implementation on | |
3304 | dnl AIX, but that involves putting the malloc functions in a shared | |
3305 | dnl library and setting the MALLOCTYPE environment variable to point to | |
3306 | dnl that shared library. | |
3307 | dnl | |
3308 | dnl Emacs currently calls xrealloc on the results of get_current_dir name, | |
3309 | dnl to avoid a crash just use the Emacs implementation for that function. | |
3310 | dnl | |
3311 | dnl FIXME We could change the AC_CHECK_FUNCS call near the start | |
3312 | dnl of this file, so that we do not check for get_current_dir_name | |
3313 | dnl on AIX. But that might be fragile if something else ends | |
3314 | dnl up testing for get_current_dir_name as a dependency. | |
3315 | AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if | |
3316 | get_current_dir_name should not be used.]) | |
3317 | ;; | |
3318 | ||
3319 | freebsd) | |
3320 | dnl Circumvent a bug in FreeBSD. In the following sequence of | |
3321 | dnl writes/reads on a PTY, read(2) returns bogus data: | |
3322 | dnl | |
3323 | dnl write(2) 1022 bytes | |
3324 | dnl write(2) 954 bytes, get EAGAIN | |
3325 | dnl read(2) 1024 bytes in process_read_output | |
3326 | dnl read(2) 11 bytes in process_read_output | |
3327 | dnl | |
3328 | dnl That is, read(2) returns more bytes than have ever been written | |
3329 | dnl successfully. The 1033 bytes read are the 1022 bytes written | |
3330 | dnl successfully after processing (for example with CRs added if the | |
3331 | dnl terminal is set up that way which it is here). The same bytes will | |
3332 | dnl be seen again in a later read(2), without the CRs. | |
3333 | AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to | |
3334 | work around an issue when reading from a PTY.]) | |
ea0bbd17 | 3335 | ;; |
45fa9c0f GM |
3336 | esac |
3337 | ||
b4492cba GM |
3338 | case $opsys in |
3339 | gnu-* | sol2-10 ) | |
3340 | dnl FIXME Can't we test if this exists (eg /proc/$$)? | |
3341 | AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.]) | |
3342 | ;; | |
3343 | esac | |
3344 | ||
9d596af3 GM |
3345 | case $opsys in |
3346 | darwin | freebsd | netbsd | openbsd ) | |
3347 | AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to | |
3348 | close a pty to make it a controlling terminal (it is already a | |
3349 | controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).]) | |
3350 | ;; | |
3351 | esac | |
3352 | ||
20e94fdd GM |
3353 | dnl FIXME Surely we can test for this rather than hard-code it. |
3354 | case $opsys in | |
3355 | netbsd | openbsd) sound_device="/dev/audio" ;; | |
3356 | *) sound_device="/dev/dsp" ;; | |
3357 | esac | |
3358 | ||
3359 | dnl Used in sound.c | |
3360 | AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device", | |
3361 | [Name of the default sound device.]) | |
3362 | ||
09f4e3b0 | 3363 | |
c43fb4c3 GM |
3364 | dnl Emacs can read input using SIGIO and buffering characters itself, |
3365 | dnl or using CBREAK mode and making C-g cause SIGINT. | |
3366 | dnl The choice is controlled by the variable interrupt_input. | |
3367 | dnl | |
3368 | dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO) | |
3369 | dnl | |
4a4bbad2 | 3370 | dnl Emacs uses the presence of the USABLE_SIGIO macro |
c43fb4c3 GM |
3371 | dnl to indicate whether or not signal-driven I/O is possible. It uses |
3372 | dnl INTERRUPT_INPUT to decide whether to use it by default. | |
3373 | dnl | |
3374 | dnl SIGIO can be used only on systems that implement it (4.2 and 4.3). | |
3375 | dnl CBREAK mode has two disadvantages | |
3376 | dnl 1) At least in 4.2, it is impossible to handle the Meta key properly. | |
3377 | dnl I hear that in system V this problem does not exist. | |
3378 | dnl 2) Control-G causes output to be discarded. | |
3379 | dnl I do not know whether this can be fixed in system V. | |
3380 | dnl | |
3381 | dnl Another method of doing input is planned but not implemented. | |
3382 | dnl It would have Emacs fork off a separate process | |
3383 | dnl to read the input and send it to the true Emacs process | |
3384 | dnl through a pipe. | |
3385 | case $opsys in | |
3386 | darwin | gnu-linux | gnu-kfreebsd ) | |
3387 | AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.]) | |
3388 | ;; | |
3389 | esac | |
3390 | ||
3391 | ||
308aab79 GM |
3392 | dnl If the system's imake configuration file defines `NeedWidePrototypes' |
3393 | dnl as `NO', we must define NARROWPROTO manually. Such a define is | |
3394 | dnl generated in the Makefile generated by `xmkmf'. If we don't define | |
3395 | dnl NARROWPROTO, we will see the wrong function prototypes for X functions | |
3396 | dnl taking float or double parameters. | |
3397 | case $opsys in | |
3398 | cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd) | |
3399 | AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration | |
3400 | file defines `NeedWidePrototypes' as `NO'.]) | |
3401 | ;; | |
3402 | esac | |
3403 | ||
3404 | ||
6e777848 GM |
3405 | dnl Used in process.c, this must be a loop, even if it only runs once. |
3406 | dnl (Except on SGI; see below. Take that, clarity and consistency!) | |
3407 | AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.]) | |
3408 | dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z, | |
3409 | dnl trying suffixes 0-16. | |
3410 | AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of | |
3411 | first PTY, if PTYs are supported.]) | |
0ab7b23a | 3412 | AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.]) |
3f922c37 GM |
3413 | AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control |
3414 | end of a PTY, if non-standard.]) | |
3415 | AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty | |
3416 | end of a PTY, if non-standard.]) | |
6e777848 GM |
3417 | |
3418 | case $opsys in | |
3419 | aix4-2 ) | |
ef834897 | 3420 | AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)]) |
3f922c37 GM |
3421 | dnl You allocate a pty by opening /dev/ptc to get the master side. |
3422 | dnl To get the name of the slave side, you just ttyname() the master side. | |
ef834897 GM |
3423 | AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");]) |
3424 | AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));]) | |
6e777848 GM |
3425 | ;; |
3426 | ||
3427 | cygwin ) | |
ef834897 | 3428 | AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)]) |
0ab7b23a | 3429 | dnl multi-line AC_DEFINEs are hard. :( |
2fe28299 | 3430 | 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 (0)]) |
ef834897 GM |
3431 | AC_DEFINE(PTY_NAME_SPRINTF, []) |
3432 | AC_DEFINE(PTY_TTY_NAME_SPRINTF, []) | |
6e777848 GM |
3433 | ;; |
3434 | ||
1598ef28 | 3435 | dnl FIXME? Maybe use same as freebsd - see bug#12040. |
6e777848 | 3436 | darwin ) |
ef834897 | 3437 | AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)]) |
6e777848 GM |
3438 | dnl Not used, because PTY_ITERATION is defined. |
3439 | AC_DEFINE(FIRST_PTY_LETTER, ['p']) | |
0ab7b23a GM |
3440 | dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8. |
3441 | dnl But we don't have to block SIGCHLD because it is blocked in the | |
3442 | dnl implementation of grantpt. | |
ef834897 GM |
3443 | AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)]) |
3444 | AC_DEFINE(PTY_NAME_SPRINTF, []) | |
3445 | AC_DEFINE(PTY_TTY_NAME_SPRINTF, []) | |
6e777848 GM |
3446 | ;; |
3447 | ||
1598ef28 | 3448 | gnu | openbsd ) |
6e777848 GM |
3449 | AC_DEFINE(FIRST_PTY_LETTER, ['p']) |
3450 | ;; | |
3451 | ||
1598ef28 | 3452 | gnu-linux | gnu-kfreebsd | freebsd | netbsd ) |
6e777848 GM |
3453 | dnl if HAVE_GRANTPT |
3454 | if test "x$ac_cv_func_grantpt" = xyes; then | |
3e91a053 | 3455 | AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.]) |
ef834897 | 3456 | AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)]) |
3f922c37 GM |
3457 | dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD |
3458 | dnl to prevent sigchld_handler from intercepting the child's death. | |
2fe28299 | 3459 | 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) { close (fd); return -1; } snprintf (pty_name, sizeof pty_name, "%s", ptyname); }]) |
1598ef28 JB |
3460 | dnl if HAVE_POSIX_OPENPT |
3461 | if test "x$ac_cv_func_posix_openpt" = xyes; then | |
3462 | AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)]) | |
a09710e9 | 3463 | AC_DEFINE(PTY_NAME_SPRINTF, []) |
0ab7b23a | 3464 | dnl if HAVE_GETPT |
1598ef28 | 3465 | elif test "x$ac_cv_func_getpt" = xyes; then |
0ab7b23a | 3466 | AC_DEFINE(PTY_OPEN, [fd = getpt ()]) |
ef834897 | 3467 | AC_DEFINE(PTY_NAME_SPRINTF, []) |
3f922c37 | 3468 | else |
ef834897 | 3469 | AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");]) |
0ab7b23a | 3470 | fi |
6e777848 GM |
3471 | else |
3472 | AC_DEFINE(FIRST_PTY_LETTER, ['p']) | |
3473 | fi | |
3474 | ;; | |
3475 | ||
3f922c37 GM |
3476 | hpux*) |
3477 | AC_DEFINE(FIRST_PTY_LETTER, ['p']) | |
ef834897 GM |
3478 | AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);]) |
3479 | AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);]) | |
3f922c37 GM |
3480 | ;; |
3481 | ||
6e777848 GM |
3482 | irix6-5 ) |
3483 | dnl It looks like this cannot be right, because it is not a loop. | |
3484 | dnl However, process.c actually does this: | |
3485 | dnl # ifndef __sgi | |
3486 | dnl continue; | |
3487 | dnl # else | |
3488 | dnl return -1; | |
3489 | dnl # endif | |
3490 | dnl which presumably makes it OK, since irix == sgi (?). | |
3491 | dnl FIXME it seems like this special treatment is unnecessary? | |
3492 | dnl Why can't irix use a single-trip loop like eg cygwin? | |
3493 | AC_DEFINE(PTY_ITERATION, []) | |
3494 | dnl Not used, because PTY_ITERATION is defined. | |
3495 | AC_DEFINE(FIRST_PTY_LETTER, ['q']) | |
ef834897 | 3496 | 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(SIGCLD, &cstat, &ocstat); name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCLD, &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); }]) |
5dad233c | 3497 | dnl No need to get the pty name at all. |
ef834897 | 3498 | AC_DEFINE(PTY_NAME_SPRINTF, []) |
3f922c37 | 3499 | dnl No need to use sprintf to get the tty name--we get that from _getpty. |
ef834897 | 3500 | AC_DEFINE(PTY_TTY_NAME_SPRINTF, []) |
6e777848 GM |
3501 | ;; |
3502 | ||
3f922c37 | 3503 | sol2* ) |
3f922c37 GM |
3504 | dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler() |
3505 | dnl from intercepting that death. If any child but grantpt's should die | |
3506 | dnl within, it should be caught after sigrelse(2). | |
2fe28299 | 3507 | AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCLD); 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, sizeof pty_name, "%s", ptyname); }]) |
3f922c37 GM |
3508 | ;; |
3509 | ||
3f922c37 | 3510 | unixware ) |
33d63ff4 | 3511 | dnl Comments are as per sol2*. |
2fe28299 | 3512 | AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCLD); 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, sizeof pty_name, "%s", ptyname); }]) |
33d63ff4 GM |
3513 | ;; |
3514 | esac | |
3515 | ||
3516 | ||
3517 | case $opsys in | |
3518 | sol2* | unixware ) | |
3519 | dnl This change means that we don't loop through allocate_pty too | |
3520 | dnl many times in the (rare) event of a failure. | |
3f922c37 | 3521 | AC_DEFINE(FIRST_PTY_LETTER, ['z']) |
ef834897 | 3522 | AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");]) |
33d63ff4 GM |
3523 | dnl Push various streams modules onto a PTY channel. Used in process.c. |
3524 | 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.]) | |
6e777848 GM |
3525 | ;; |
3526 | esac | |
3527 | ||
3528 | ||
09f4e3b0 GM |
3529 | AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by |
3530 | "typing" a signal character on the pty.]) | |
3531 | ||
3532 | case $opsys in | |
3533 | dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX. | |
3534 | dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX. | |
3535 | aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd ) | |
3536 | AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1) | |
3537 | ;; | |
3538 | ||
5dad233c | 3539 | dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works. |
09f4e3b0 GM |
3540 | dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely... |
3541 | gnu-linux | gnu-kfreebsd ) | |
3542 | ||
3543 | AC_MSG_CHECKING([for signals via characters]) | |
3544 | AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ | |
3545 | #include <linux/version.h> | |
3546 | #if LINUX_VERSION_CODE < 0x20400 | |
3547 | # error "Linux version too old" | |
3548 | #endif | |
3549 | ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no) | |
3550 | ||
3551 | AC_MSG_RESULT([$emacs_signals_via_chars]) | |
3552 | test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1) | |
3553 | ;; | |
3554 | esac | |
3555 | ||
3556 | ||
d02eb359 GM |
3557 | dnl Used in dispnew.c |
3558 | AH_TEMPLATE(PENDING_OUTPUT_COUNT, [Number of chars of output in the | |
1c6f11f4 | 3559 | buffer of a stdio stream.]) |
d02eb359 | 3560 | |
1c6f11f4 GM |
3561 | AC_MSG_CHECKING([whether we are using the GNU C library]) |
3562 | AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ | |
3563 | #include <features.h> | |
3564 | #ifndef __GNU_LIBRARY__ | |
3565 | # error "this is not the GNU C library" | |
3566 | #endif | |
3567 | ]], [[]])], emacs_glibc=yes, emacs_glibc=no) | |
3568 | AC_MSG_RESULT([$emacs_glibc]) | |
c8add24e | 3569 | |
1c6f11f4 | 3570 | if test $emacs_glibc = yes; then |
d02eb359 | 3571 | |
1c6f11f4 | 3572 | emacs_pending_output=unknown |
d02eb359 | 3573 | |
1c6f11f4 GM |
3574 | case $opsys in |
3575 | gnu | gnu-linux | gnu-kfreebsd ) | |
3576 | AC_MSG_CHECKING([for style of pending output formalism]) | |
3577 | dnl In autoconf 2.67 and later, we could use a single test | |
3578 | dnl since the preprocessed output is accessible in "conftest.i". | |
3579 | AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ | |
c8add24e GM |
3580 | #include <stdio.h> |
3581 | #if !defined (_IO_STDIO_H) && !defined (_STDIO_USES_IOSTREAM) | |
3582 | # error "stdio definitions not found" | |
3583 | #endif | |
1c6f11f4 | 3584 | ]], [[]])], emacs_pending_output=new, []) |
c8add24e GM |
3585 | |
3586 | if test $emacs_pending_output = unknown; then | |
3587 | case $opsys in | |
3588 | gnu-linux | gnu-kfreebsd) | |
3589 | AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ | |
3590 | #include <stdio.h> | |
3591 | #ifndef __UCLIBC__ | |
3592 | # error "not using uclibc" | |
3593 | #endif | |
3594 | ]], [[]])], emacs_pending_output=uclibc, emacs_pending_output=old) | |
3595 | ;; | |
3596 | esac | |
3597 | fi | |
3598 | ||
3599 | AC_MSG_RESULT([$emacs_pending_output]) | |
3600 | ||
3601 | case $emacs_pending_output in | |
3602 | new) | |
3603 | dnl New C libio names. | |
1c6f11f4 | 3604 | AC_DEFINE(PENDING_OUTPUT_COUNT(FILE), |
c8add24e GM |
3605 | [((FILE)->_IO_write_ptr - (FILE)->_IO_write_base)]) |
3606 | ;; | |
3607 | uclibc) | |
3608 | dnl Using the uClibc library. | |
1c6f11f4 | 3609 | AC_DEFINE(PENDING_OUTPUT_COUNT(FILE), |
c8add24e GM |
3610 | [((FILE)->__bufpos - (FILE)->__bufstart)]) |
3611 | ;; | |
3612 | old) | |
3613 | dnl Old C++ iostream names. | |
1c6f11f4 | 3614 | AC_DEFINE(PENDING_OUTPUT_COUNT(FILE), |
c8add24e GM |
3615 | [((FILE)->_pptr - (FILE)->_pbase)]) |
3616 | ;; | |
3617 | esac | |
3618 | ;; | |
1c6f11f4 GM |
3619 | esac dnl opsys |
3620 | ||
3621 | if test $emacs_pending_output = unknown; then | |
3622 | AC_DEFINE(PENDING_OUTPUT_COUNT(FILE), [((FILE)->__bufp - (FILE)->__buffer)]) | |
3623 | fi | |
3624 | ||
3625 | else dnl !emacs_glibc | |
3626 | ||
3627 | case $opsys in | |
3628 | cygwin | darwin | freebsd | netbsd | openbsd ) | |
3629 | AC_DEFINE(PENDING_OUTPUT_COUNT(FILE), [((FILE)->_p - (FILE)->_bf._base)]) | |
3630 | ;; | |
3631 | ||
3632 | unixware) | |
3633 | AC_DEFINE(PENDING_OUTPUT_COUNT(FILE), [((FILE)->__ptr - (FILE)->__base)]) | |
3634 | ;; | |
3635 | ||
3636 | *) | |
3637 | dnl HAVE_STDIO_EXT_H && HAVE___FPENDING | |
3638 | if test x$ac_cv_header_stdio_ext_h = xyes && \ | |
3639 | test x$ac_cv_func___fpending = xyes; then | |
3640 | AC_DEFINE(PENDING_OUTPUT_COUNT(FILE), [__fpending (FILE)]) | |
3641 | AC_DEFINE(DISPNEW_NEEDS_STDIO_EXT, 1, | |
3642 | [Define if dispnew.c should include stdio_ext.h.]) | |
3643 | else | |
3644 | AC_DEFINE(PENDING_OUTPUT_COUNT(FILE), [((FILE)->_ptr - (FILE)->_base)]) | |
3645 | fi | |
3646 | ;; | |
3647 | esac | |
3648 | fi dnl emacs_glibc | |
c8add24e GM |
3649 | |
3650 | ||
3651 | dnl Used in vm-limit.c | |
3652 | AH_TEMPLATE(DATA_START, [Address of the start of the data segment.]) | |
3653 | dnl Used in lisp.h, emacs.c, mem-limits.h | |
3654 | dnl NEWS.18 describes this as "a number which contains | |
3655 | dnl the high bits to be inclusive or'ed with pointers that are unpacked." | |
3656 | AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers | |
3657 | stored in a Lisp_Object.]) | |
3658 | dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT. | |
3659 | ||
3660 | case $opsys in | |
882cf227 GM |
3661 | gnu) |
3662 | dnl libc defines data_start. | |
3663 | AC_DEFINE(DATA_START, [({ extern int data_start; (char *) &data_start; })]) | |
3664 | ;; | |
3665 | ||
3666 | hpux*) | |
3667 | dnl The data segment on this machine always starts at address 0x40000000. | |
3668 | AC_DEFINE(DATA_START, [0x40000000]) | |
3669 | AC_DEFINE(DATA_SEG_BITS, [0x40000000]) | |
3670 | ;; | |
3671 | irix6-5) | |
3672 | AC_DEFINE(DATA_START, [0x10000000]) | |
3673 | AC_DEFINE(DATA_SEG_BITS, [0x10000000]) | |
3674 | ;; | |
3675 | esac | |
3676 | ||
7ccad002 | 3677 | |
dbee5793 | 3678 | AH_TEMPLATE(ULIMIT_BREAK_VALUE, [Undocumented.]) |
7ccad002 GM |
3679 | AH_TEMPLATE(TAB3, [Undocumented.]) |
3680 | ||
b4492cba | 3681 | case $opsys in |
7ccad002 | 3682 | darwin) AC_DEFINE(TAB3, OXTABS) ;; |
8a07a8c6 | 3683 | |
7ccad002 | 3684 | gnu | freebsd | netbsd | openbsd ) |
ef834897 | 3685 | AC_DEFINE(TABDLY, OXTABS, [Undocumented.]) |
7ccad002 GM |
3686 | AC_DEFINE(TAB3, OXTABS) |
3687 | ;; | |
1cce6920 | 3688 | |
dbee5793 GM |
3689 | gnu-linux | gnu-kfreebsd ) |
3690 | dnl libc-linux/sysdeps/linux/i386/ulimit.c says that due to shared | |
3691 | dnl library, we cannot get the maximum address for brk. | |
3692 | AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ | |
3693 | #ifndef __i386__ | |
3694 | # error "not i386" | |
3695 | #endif | |
3696 | ]], [[]])], AC_DEFINE(ULIMIT_BREAK_VALUE, [(32*1024*1024)]), []) | |
5b633342 GM |
3697 | |
3698 | AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ | |
3699 | #ifndef __ia64__ | |
3700 | # error "not ia64" | |
3701 | #endif | |
3702 | ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(), | |
3703 | [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (0)], | |
3704 | [Mark a secondary stack, like the register stack on the ia64.]), []) | |
dbee5793 GM |
3705 | ;; |
3706 | ||
7ccad002 GM |
3707 | hpux*) |
3708 | AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call | |
3709 | run_time_remap; for HPUX.]) | |
3710 | ;; | |
dbee5793 GM |
3711 | |
3712 | irix6-5) | |
3713 | dnl Ulimit(UL_GMEMLIM) is busted... | |
3714 | AC_DEFINE(ULIMIT_BREAK_VALUE, [0x14000000]) | |
3715 | ;; | |
7ccad002 GM |
3716 | esac |
3717 | ||
3718 | ||
5b3f250f GM |
3719 | dnl These won't be used automatically yet. We also need to know, at least, |
3720 | dnl that the stack is continuous. | |
3721 | AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all | |
3722 | registers relevant for conservative garbage collection in the jmp_buf.]) | |
3723 | ||
3724 | AH_TEMPLATE(GC_MARK_STACK, [Define to GC_USE_GCPROS_AS_BEFORE if | |
3725 | conservative garbage collection is not known to work.]) | |
3726 | ||
3727 | ||
3728 | case $opsys in | |
3729 | aix4-2 | hpux* | unixware) | |
3730 | dnl Conservative garbage collection has not been tested, so for now | |
3731 | dnl play it safe and stick with the old-fashioned way of marking. | |
3732 | AC_DEFINE(GC_MARK_STACK, [GC_USE_GCPROS_AS_BEFORE]) | |
3733 | ;; | |
3734 | ||
3735 | dnl Not all the architectures are tested, but there are Debian packages | |
3736 | dnl for SCM and/or Guile on them, so the technique must work. See also | |
3737 | dnl comments in alloc.c concerning setjmp and gcc. | |
3738 | dnl Fixme: it's probably safe to just use the GCC conditional below. | |
3739 | gnu-linux | gnu-kfreebsd ) | |
3740 | AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ | |
3741 | #if defined __i386__ || defined __sparc__ || defined __mc68000__ \ | |
3742 | || defined __alpha__ || defined __mips__ || defined __s390__ \ | |
3743 | || defined __arm__ || defined __powerpc__ || defined __amd64__ \ | |
3744 | || defined __ia64__ || defined __sh__ | |
3745 | /* ok */ | |
3746 | #else | |
3747 | # error "setjmp not known to work on this arch" | |
3748 | #endif | |
3749 | ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1), | |
3750 | AC_DEFINE(GC_MARK_STACK, [GC_USE_GCPROS_AS_BEFORE]) ) | |
3751 | ;; | |
3752 | esac | |
3753 | ||
3754 | ||
3755 | if test x$GCC = xyes; then | |
3756 | dnl GC_SETJMP_WORKS is nearly always appropriate for GCC. | |
3757 | AC_DEFINE(GC_SETJMP_WORKS, 1) | |
3758 | else | |
3759 | case $opsys in | |
3760 | dnl irix: Tested on Irix 6.5. SCM worked on earlier versions. | |
3761 | freebsd | netbsd | openbsd | irix6-5 | sol2* ) | |
3762 | AC_DEFINE(GC_SETJMP_WORKS, 1) | |
3763 | ;; | |
3764 | esac | |
3765 | fi dnl GCC? | |
3766 | ||
7b6c362e PE |
3767 | AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp], |
3768 | [AC_LINK_IFELSE( | |
3769 | [AC_LANG_PROGRAM( | |
3770 | [[#include <setjmp.h> | |
3771 | ]], | |
3772 | [[jmp_buf j; | |
3773 | if (! _setjmp (j)) | |
3774 | _longjmp (j, 1);]])], | |
3775 | [emacs_cv_func__setjmp=yes], | |
3776 | [emacs_cv_func__setjmp=no])]) | |
0328b6de PE |
3777 | if test $emacs_cv_func__setjmp = yes; then |
3778 | AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.]) | |
3779 | else | |
3780 | AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp], | |
3781 | [AC_LINK_IFELSE( | |
3782 | [AC_LANG_PROGRAM( | |
3783 | [[#include <setjmp.h> | |
3784 | ]], | |
3785 | [[sigjmp_buf j; | |
3786 | if (! sigsetjmp (j, 1)) | |
3787 | siglongjmp (j, 1);]])], | |
3788 | [emacs_cv_func_sigsetjmp=yes], | |
3789 | [emacs_cv_func_sigsetjmp=no])]) | |
3790 | if test $emacs_cv_func_sigsetjmp = yes; then | |
3791 | AC_DEFINE([HAVE_SIGSETJMP], 1, | |
3792 | [Define to 1 if sigsetjmp and siglongjmp work. | |
3793 | The value of this symbol is irrelevant if HAVE__SETJMP is defined.]) | |
3794 | fi | |
7b6c362e | 3795 | fi |
b65e7c46 | 3796 | |
0a763bd1 GM |
3797 | case $opsys in |
3798 | sol2* | unixware ) | |
b65e7c46 GM |
3799 | dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY |
3800 | dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs, | |
3801 | dnl and this is all we need. | |
3802 | AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.]) | |
0a763bd1 GM |
3803 | ;; |
3804 | esac | |
3805 | ||
5b3f250f | 3806 | |
7ccad002 GM |
3807 | case $opsys in |
3808 | hpux* | sol2* ) | |
32bac6d6 | 3809 | dnl Used in xfaces.c. |
7ccad002 GM |
3810 | AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on |
3811 | some systems, where it requires time.h.]) | |
3812 | ;; | |
3813 | esac | |
3814 | ||
3815 | ||
983188fd GM |
3816 | dnl Define symbols to identify the version of Unix this is. |
3817 | dnl Define all the symbols that apply correctly. | |
3818 | AH_TEMPLATE(BSD4_2, [Define if the system is compatible with BSD 4.2.]) | |
3819 | AH_TEMPLATE(BSD_SYSTEM, [Define if the system is compatible with BSD 4.2.]) | |
ae21c275 GM |
3820 | AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.]) |
3821 | AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.]) | |
983188fd GM |
3822 | AH_TEMPLATE(USG, [Define if the system is compatible with System III.]) |
3823 | AH_TEMPLATE(USG5, [Define if the system is compatible with System V.]) | |
268e2432 | 3824 | AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.]) |
983188fd GM |
3825 | |
3826 | case $opsys in | |
3827 | aix4-2) | |
3828 | AC_DEFINE(USG, []) | |
3829 | AC_DEFINE(USG5, []) | |
3830 | dnl This symbol should be defined on AIX Version 3 ??????? | |
3831 | AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ | |
3832 | #ifndef _AIX | |
3833 | # error "_AIX not defined" | |
3834 | #endif | |
3835 | ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.])) | |
3836 | ;; | |
3837 | ||
3838 | cygwin) | |
3839 | AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.]) | |
3840 | ;; | |
3841 | ||
3842 | darwin) | |
3843 | dnl BSD4_3 and BSD4_4 are already defined in sys/param.h. | |
3844 | AC_DEFINE(BSD4_2, []) | |
3845 | AC_DEFINE(BSD_SYSTEM, []) | |
3846 | dnl More specific than the above two. We cannot use __APPLE__ as this | |
3847 | dnl may not be defined on non-OSX Darwin, and we cannot define DARWIN | |
3848 | dnl here because Panther and lower CoreFoundation.h uses DARWIN to | |
3849 | dnl distinguish OS X from pure Darwin. | |
3850 | AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.]) | |
3851 | ;; | |
3852 | ||
3853 | freebsd) | |
3854 | AC_DEFINE(BSD4_2, []) | |
3855 | dnl Hack to avoid calling AC_PREPROC_IFELSE multiple times. | |
3856 | dnl Would not be needed with autoconf >= 2.67, where the | |
3857 | dnl preprocessed output is accessible in "conftest.i". | |
3858 | AC_DEFINE(BSD_SYSTEM_AHB, 1, [Define if AH_BOTTOM should change BSD_SYSTEM.]) | |
3859 | ;; | |
3860 | ||
3861 | gnu | netbsd | openbsd ) | |
3862 | AC_DEFINE(BSD4_2, []) | |
3863 | AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[ | |
3864 | #ifndef BSD_SYSTEM | |
3865 | # error "BSD_SYSTEM not defined" | |
3866 | #endif | |
3867 | ]], [[]])], [], AC_DEFINE(BSD_SYSTEM, 43) ) | |
3868 | ;; | |
3869 | ||
3870 | gnu-linux | gnu-kfreebsd ) | |
3871 | AC_DEFINE(USG, []) | |
3872 | AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.]) | |
3873 | ;; | |
3874 | ||
3875 | hpux*) | |
3876 | AC_DEFINE(USG, []) | |
3877 | AC_DEFINE(USG5, []) | |
3878 | AC_DEFINE(HPUX, [], [Define if the system is HPUX.]) | |
3879 | ;; | |
3880 | ||
3881 | irix6-5) | |
3882 | AC_DEFINE(USG, []) | |
3883 | AC_DEFINE(USG5, []) | |
268e2432 | 3884 | AC_DEFINE(USG5_4, []) |
983188fd GM |
3885 | AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.]) |
3886 | ;; | |
3887 | ||
3888 | sol2*) | |
3889 | AC_DEFINE(USG, []) | |
3890 | AC_DEFINE(USG5, []) | |
268e2432 | 3891 | AC_DEFINE(USG5_4, []) |
983188fd GM |
3892 | AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.]) |
3893 | ;; | |
3894 | ||
3895 | unixware) | |
3896 | AC_DEFINE(USG, []) | |
3897 | AC_DEFINE(USG5, []) | |
268e2432 | 3898 | AC_DEFINE(USG5_4, []) |
983188fd GM |
3899 | ;; |
3900 | esac | |
3901 | ||
4a4bbad2 PE |
3902 | AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD], |
3903 | [case $opsys in | |
3904 | aix4-2) | |
3905 | dnl BUILD 9008 - FIONREAD problem still exists in X-Windows. | |
3906 | emacs_cv_usable_FIONREAD=no | |
3907 | ;; | |
3908 | ||
3909 | *) | |
3910 | AC_COMPILE_IFELSE( | |
3911 | [AC_LANG_PROGRAM([[#include <sys/types.h> | |
3912 | #include <sys/ioctl.h> | |
3913 | #ifdef USG5_4 | |
3914 | # include <sys/filio.h> | |
3915 | #endif | |
3916 | ]], | |
3917 | [[int foo = ioctl (0, FIONREAD, &foo);]])], | |
3918 | [emacs_cv_usable_FIONREAD=yes], | |
3919 | [emacs_cv_usable_FIONREAD=no]) | |
3920 | ;; | |
3921 | esac]) | |
3922 | if test $emacs_cv_usable_FIONREAD = yes; then | |
3923 | AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.]) | |
3924 | ||
3925 | if test $emacs_broken_SIGIO = no; then | |
3926 | AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO], | |
3927 | [AC_COMPILE_IFELSE( | |
3928 | [AC_LANG_PROGRAM([[#include <fcntl.h> | |
3929 | #include <signal.h> | |
3930 | ]], | |
3931 | [[int foo = SIGIO | F_SETFL | FASYNC;]])], | |
3932 | [emacs_cv_usable_SIGIO=yes], | |
3933 | [emacs_cv_usable_SIGIO=no])], | |
3934 | [emacs_cv_usable_SIGIO=yes], | |
3935 | [emacs_cv_usable_SIGIO=no]) | |
3936 | if test $emacs_cv_usable_SIGIO = yes; then | |
3937 | AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.]) | |
3938 | fi | |
3939 | fi | |
3940 | fi | |
3941 | ||
983188fd | 3942 | |
7ccad002 | 3943 | case $opsys in |
42bd1719 GM |
3944 | dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls |
3945 | dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign. | |
3946 | dnl As malloc is not the Cygwin malloc, the Cygwin memalign always | |
3947 | dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */ | |
3948 | cygwin) | |
3949 | AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the | |
3950 | G_SLICE environment variable to "always-malloc" at startup, if | |
3951 | using GTK.]) | |
3952 | ;; | |
3953 | ||
7ccad002 GM |
3954 | hpux11) |
3955 | dnl See comments in sysdep.c:sys_signal. | |
3956 | dnl SA_RESTART resets the timeout of `select' on hpux11. | |
3957 | dnl Defining BROKEN_SA_RESTART is not the same as undef'ing SA_RESTART. | |
3958 | AC_DEFINE(BROKEN_SA_RESTART, 1, [Define if SA_RESTART should only | |
3959 | be used in batch mode.]) | |
3960 | dnl It works to open the pty's tty in the parent (Emacs), then | |
3961 | dnl close and reopen it in the child. | |
3962 | AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it | |
3963 | works to open a pty's tty in the parent process, then close and | |
3964 | reopen it in the child.]) | |
7ccad002 GM |
3965 | ;; |
3966 | ||
3967 | irix6-5) | |
3968 | AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should | |
3969 | use VSUSP instead of VSWTCH.]) | |
3970 | AC_DEFINE(SETPGRP_RELEASES_CTTY, 1, [Define if process.c:child_setup | |
3971 | should not call setpgrp.]) | |
3972 | ;; | |
3973 | ||
7ccad002 GM |
3974 | sol2-10) |
3975 | AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes | |
3976 | on Solaris.]) | |
7ccad002 | 3977 | ;; |
0d369729 GM |
3978 | esac |
3979 | ||
067d23c9 KY |
3980 | # Set up the CFLAGS for real compilation, so we can substitute it. |
3981 | CFLAGS="$REAL_CFLAGS" | |
3982 | CPPFLAGS="$REAL_CPPFLAGS" | |
3983 | ||
3984 | ## Hack to detect a buggy GCC version. | |
3985 | if test "x$GCC" = xyes \ | |
3986 | && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \ | |
3987 | && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \ | |
3988 | && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then | |
3989 | AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.]) | |
3990 | fi | |
3991 | ||
16fab143 | 3992 | version=$PACKAGE_VERSION |
067d23c9 KY |
3993 | |
3994 | ### Specify what sort of things we'll be editing into Makefile and config.h. | |
3995 | ### Use configuration here uncanonicalized to avoid exceeding size limits. | |
3996 | AC_SUBST(version) | |
3997 | AC_SUBST(configuration) | |
3998 | ## Unused? | |
3999 | AC_SUBST(canonical) | |
4000 | AC_SUBST(srcdir) | |
4001 | AC_SUBST(prefix) | |
4002 | AC_SUBST(exec_prefix) | |
4003 | AC_SUBST(bindir) | |
4004 | AC_SUBST(datadir) | |
4005 | AC_SUBST(sharedstatedir) | |
4006 | AC_SUBST(libexecdir) | |
4007 | AC_SUBST(mandir) | |
4008 | AC_SUBST(infodir) | |
4009 | AC_SUBST(lispdir) | |
d71dfe75 | 4010 | AC_SUBST(leimdir) |
ca26824c | 4011 | AC_SUBST(standardlisppath) |
067d23c9 KY |
4012 | AC_SUBST(locallisppath) |
4013 | AC_SUBST(lisppath) | |
4014 | AC_SUBST(x_default_search_path) | |
4015 | AC_SUBST(etcdir) | |
4016 | AC_SUBST(archlibdir) | |
4017 | AC_SUBST(docdir) | |
4018 | AC_SUBST(bitmapdir) | |
4019 | AC_SUBST(gamedir) | |
4020 | AC_SUBST(gameuser) | |
4021 | ## FIXME? Nothing uses @LD_SWITCH_X_SITE@. | |
4022 | ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the | |
4023 | ## end of LIBX_BASE, but nothing ever set it. | |
4024 | AC_SUBST(LD_SWITCH_X_SITE) | |
4025 | AC_SUBST(C_SWITCH_X_SITE) | |
2f097256 | 4026 | AC_SUBST(GNUSTEP_CFLAGS) |
067d23c9 KY |
4027 | AC_SUBST(CFLAGS) |
4028 | ## Used in lwlib/Makefile.in. | |
4029 | AC_SUBST(X_TOOLKIT_TYPE) | |
067d23c9 KY |
4030 | AC_SUBST(ns_appdir) |
4031 | AC_SUBST(ns_appbindir) | |
4032 | AC_SUBST(ns_appresdir) | |
4033 | AC_SUBST(ns_appsrc) | |
4034 | AC_SUBST(GNU_OBJC_CFLAGS) | |
4035 | AC_SUBST(OTHER_FILES) | |
4036 | ||
17a2cbbd DC |
4037 | if test -n "${term_header}"; then |
4038 | AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}", | |
4039 | [Define to the header for the built-in window system.]) | |
4040 | fi | |
4041 | ||
067d23c9 KY |
4042 | AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}", |
4043 | [Define to the canonical Emacs configuration name.]) | |
4044 | AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}", | |
4045 | [Define to the options passed to configure.]) | |
68169a33 GM |
4046 | AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure |
4047 | define this to include extra configuration information.]) | |
067d23c9 KY |
4048 | |
4049 | XMENU_OBJ= | |
4050 | XOBJ= | |
4051 | FONT_OBJ= | |
4052 | if test "${HAVE_X_WINDOWS}" = "yes" ; then | |
4053 | AC_DEFINE(HAVE_X_WINDOWS, 1, | |
4054 | [Define to 1 if you want to use the X window system.]) | |
4055 | XMENU_OBJ=xmenu.o | |
17a2cbbd | 4056 | XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o" |
067d23c9 KY |
4057 | FONT_OBJ=xfont.o |
4058 | if test "$HAVE_XFT" = "yes"; then | |
4059 | FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o" | |
4060 | elif test "$HAVE_FREETYPE" = "yes"; then | |
4061 | FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o" | |
4062 | fi | |
4063 | AC_SUBST(FONT_OBJ) | |
4064 | fi | |
4065 | AC_SUBST(XMENU_OBJ) | |
4066 | AC_SUBST(XOBJ) | |
4067 | AC_SUBST(FONT_OBJ) | |
4068 | ||
4069 | WIDGET_OBJ= | |
4070 | MOTIF_LIBW= | |
4071 | if test "${USE_X_TOOLKIT}" != "none" ; then | |
4072 | WIDGET_OBJ=widget.o | |
4073 | AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.]) | |
4074 | if test "${USE_X_TOOLKIT}" = "LUCID"; then | |
4075 | AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.]) | |
4076 | elif test "${USE_X_TOOLKIT}" = "MOTIF"; then | |
4077 | AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.]) | |
4078 | MOTIF_LIBW=-lXm | |
4079 | case "$opsys" in | |
4080 | gnu-linux) | |
4081 | ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed. | |
4082 | MOTIF_LIBW="$MOTIF_LIBW -lXpm" | |
4083 | ;; | |
4084 | ||
4085 | unixware) | |
4086 | ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov> | |
4087 | ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2. | |
4088 | MOTIF_LIBW="MOTIF_LIBW -lXimp" | |
4089 | ;; | |
4090 | ||
4091 | aix4-2) | |
4092 | ## olson@mcs.anl.gov says -li18n is needed by -lXm. | |
4093 | MOTIF_LIBW="$MOTIF_LIBW -li18n" | |
4094 | ;; | |
4095 | esac | |
4096 | MOTIF_LIBW="$MOTIF_LIBW $LIBXP" | |
4097 | fi | |
4098 | fi | |
4099 | AC_SUBST(WIDGET_OBJ) | |
4100 | ||
4101 | TOOLKIT_LIBW= | |
4102 | case "$USE_X_TOOLKIT" in | |
4103 | MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;; | |
4104 | LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;; | |
4105 | none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;; | |
4106 | esac | |
4107 | AC_SUBST(TOOLKIT_LIBW) | |
4108 | ||
4109 | if test "$USE_X_TOOLKIT" = "none"; then | |
4110 | LIBXT_OTHER="\$(LIBXSM)" | |
4111 | OLDXMENU_TARGET="really-oldXMenu" | |
4112 | else | |
4113 | LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext" | |
4114 | OLDXMENU_TARGET="really-lwlib" | |
4115 | fi | |
4116 | AC_SUBST(LIBXT_OTHER) | |
4117 | ||
4118 | ## The X Menu stuff is present in the X10 distribution, but missing | |
4119 | ## from X11. If we have X10, just use the installed library; | |
4120 | ## otherwise, use our own copy. | |
4121 | if test "${HAVE_X11}" = "yes" ; then | |
4122 | AC_DEFINE(HAVE_X11, 1, | |
4123 | [Define to 1 if you want to use version 11 of X windows. | |
4124 | Otherwise, Emacs expects to use version 10.]) | |
4125 | ||
4126 | if test "$USE_X_TOOLKIT" = "none"; then | |
4127 | OLDXMENU="\${oldXMenudir}/libXMenu11.a" | |
4128 | else | |
4129 | OLDXMENU="\${lwlibdir}/liblw.a" | |
4130 | fi | |
4131 | LIBXMENU="\$(OLDXMENU)" | |
4132 | LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)" | |
4133 | OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}" | |
4134 | else | |
4135 | ## For a syntactically valid Makefile; not actually used for anything. | |
4136 | ## See comments in src/Makefile.in. | |
4137 | OLDXMENU=nothing | |
4138 | ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?). | |
4139 | if test "${HAVE_X_WINDOWS}" = "yes"; then | |
4140 | LIBXMENU="-lXMenu" | |
4141 | else | |
4142 | LIBXMENU= | |
4143 | fi | |
4144 | LIBX_OTHER= | |
4145 | OLDXMENU_DEPS= | |
4146 | fi | |
4147 | ||
4148 | if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then | |
4149 | OLDXMENU_TARGET= | |
b06b1098 | 4150 | OLDXMENU=nothing |
067d23c9 KY |
4151 | LIBXMENU= |
4152 | OLDXMENU_DEPS= | |
4153 | fi | |
4154 | ||
4155 | AC_SUBST(OLDXMENU_TARGET) | |
4156 | AC_SUBST(OLDXMENU) | |
4157 | AC_SUBST(LIBXMENU) | |
4158 | AC_SUBST(LIBX_OTHER) | |
4159 | AC_SUBST(OLDXMENU_DEPS) | |
4160 | ||
4161 | if test "${HAVE_MENUS}" = "yes" ; then | |
4162 | AC_DEFINE(HAVE_MENUS, 1, | |
4163 | [Define to 1 if you have mouse menus. | |
4164 | (This is automatic if you use X, but the option to specify it remains.) | |
4165 | It is also defined with other window systems that support xmenu.c.]) | |
4166 | fi | |
4167 | ||
4168 | if test "${GNU_MALLOC}" = "yes" ; then | |
4169 | AC_DEFINE(GNU_MALLOC, 1, | |
4170 | [Define to 1 if you want to use the GNU memory allocator.]) | |
4171 | fi | |
4172 | ||
4173 | RALLOC_OBJ= | |
4174 | if test "${REL_ALLOC}" = "yes" ; then | |
4175 | AC_DEFINE(REL_ALLOC, 1, | |
4176 | [Define REL_ALLOC if you want to use the relocating allocator for | |
4177 | buffer space.]) | |
4178 | ||
4179 | test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o | |
4180 | fi | |
4181 | AC_SUBST(RALLOC_OBJ) | |
4182 | ||
4183 | if test "$opsys" = "cygwin"; then | |
4184 | CYGWIN_OBJ="sheap.o" | |
4185 | ## Cygwin differs because of its unexec(). | |
4186 | PRE_ALLOC_OBJ= | |
4187 | POST_ALLOC_OBJ=lastfile.o | |
4188 | else | |
4189 | CYGWIN_OBJ= | |
4190 | PRE_ALLOC_OBJ=lastfile.o | |
4191 | POST_ALLOC_OBJ= | |
4192 | fi | |
4193 | AC_SUBST(CYGWIN_OBJ) | |
4194 | AC_SUBST(PRE_ALLOC_OBJ) | |
4195 | AC_SUBST(POST_ALLOC_OBJ) | |
4196 | ||
5dad233c PE |
4197 | # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently. |
4198 | # it temporarily reverts them to their pre-pkg-config values, | |
4199 | # because gnulib needs to work with both src (which uses the | |
4200 | # pkg-config stuff) and lib-src (which does not). For example, gnulib | |
4201 | # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt, | |
4202 | # and it therefore needs to run in an environment where LIBS does not | |
4203 | # already contain -lrt merely because 'pkg-config --libs' printed '-lrt' | |
4204 | # for some package unrelated to lib-src. | |
4205 | SAVE_CFLAGS=$CFLAGS | |
4206 | SAVE_LIBS=$LIBS | |
4207 | CFLAGS=$pre_PKG_CONFIG_CFLAGS | |
4208 | LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS" | |
4209 | gl_ASSERT_NO_GNULIB_POSIXCHECK | |
4210 | gl_ASSERT_NO_GNULIB_TESTS | |
4211 | gl_INIT | |
4212 | CFLAGS=$SAVE_CFLAGS | |
4213 | LIBS=$SAVE_LIBS | |
4214 | ||
067d23c9 KY |
4215 | case "$opsys" in |
4216 | aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;; | |
4217 | ||
4218 | darwin) | |
4219 | ## The -headerpad option tells ld (see man page) to leave room at the | |
4220 | ## end of the header for adding load commands. Needed for dumping. | |
4221 | ## 0x690 is the total size of 30 segment load commands (at 56 | |
4222 | ## each); under Cocoa 31 commands are required. | |
4223 | if test "$HAVE_NS" = "yes"; then | |
4224 | libs_nsgui="-framework AppKit" | |
4225 | headerpad_extra=6C8 | |
4226 | else | |
4227 | libs_nsgui= | |
4228 | headerpad_extra=690 | |
4229 | fi | |
c8618a06 | 4230 | LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra" |
b06b1098 | 4231 | |
067d23c9 KY |
4232 | ## This is here because src/Makefile.in did some extra fiddling around |
4233 | ## with LD_SWITCH_SYSTEM. The cpp logic was: | |
4234 | ## #ifndef LD_SWITCH_SYSTEM | |
4235 | ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF))) | |
4236 | ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to: | |
34374650 | 4237 | ## not using gcc, darwin. |
067d23c9 KY |
4238 | ## Because this was done in src/Makefile.in, the resulting part of |
4239 | ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link). | |
4240 | ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS, | |
4241 | ## rather than LD_SWITCH_SYSTEM. | |
4242 | test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \ | |
4243 | LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS" | |
4244 | ;; | |
4245 | ||
4d5c6349 | 4246 | ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to |
4737362e GM |
4247 | ## find X at run-time. |
4248 | ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the | |
4d5c6349 | 4249 | ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH |
067d23c9 KY |
4250 | ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM |
4251 | ## had different values in configure (in ac_link) and src/Makefile.in. | |
4252 | ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS. | |
4d5c6349 | 4253 | gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;; |
067d23c9 KY |
4254 | |
4255 | *) LD_SWITCH_SYSTEM_TEMACS= ;; | |
4256 | esac | |
4257 | ||
4258 | if test "$NS_IMPL_GNUSTEP" = "yes"; then | |
4259 | LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread" | |
4260 | fi | |
4261 | ||
4262 | AC_SUBST(LD_SWITCH_SYSTEM_TEMACS) | |
4263 | ||
4264 | ||
4265 | LD_FIRSTFLAG= | |
4266 | ORDINARY_LINK= | |
4267 | case "$opsys" in | |
4268 | ## gnu: GNU needs its own crt0. | |
4269 | aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;; | |
4270 | ||
4271 | ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the | |
4272 | ## library search parth, i.e. it won't search /usr/lib for libc and | |
4273 | ## friends. Using -nostartfiles instead avoids this problem, and | |
4274 | ## will also work on earlier NetBSD releases. | |
4275 | netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;; | |
4276 | ||
34374650 | 4277 | ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says |
067d23c9 | 4278 | ## MkLinux/LinuxPPC needs this. |
34374650 | 4279 | ## s390x-* only supports opsys = gnu-linux so it can be added here. |
067d23c9 | 4280 | gnu-*) |
34374650 PE |
4281 | case "$canonical" in |
4282 | powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;; | |
067d23c9 KY |
4283 | esac |
4284 | ;; | |
4285 | esac | |
4286 | ||
4287 | ||
4288 | if test "x$ORDINARY_LINK" = "xyes"; then | |
4289 | ||
4290 | LD_FIRSTFLAG="" | |
4291 | AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.]) | |
4292 | ||
4293 | ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are: | |
34374650 | 4294 | ## freebsd, gnu-* not on powerpc*|s390x*. |
067d23c9 KY |
4295 | elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then |
4296 | ||
4297 | ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure | |
4298 | ## places that are difficult to figure out at make time. Fortunately, | |
4299 | ## these same versions allow you to pass arbitrary flags on to the | |
4300 | ## linker, so there is no reason not to use it as a linker. | |
4301 | ## | |
4302 | ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from | |
4303 | ## searching for libraries in its internal directories, so we have to | |
4304 | ## ask GCC explicitly where to find libgcc.a (LIB_GCC below). | |
4305 | LD_FIRSTFLAG="-nostdlib" | |
4306 | fi | |
4307 | ||
4308 | ## FIXME? What setting of EDIT_LDFLAGS should this have? | |
4309 | test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic" | |
4310 | ||
4311 | AC_SUBST(LD_FIRSTFLAG) | |
4312 | ||
4313 | ||
4314 | ## FIXME? The logic here is not precisely the same as that above. | |
4315 | ## There is no check here for a pre-defined LD_FIRSTFLAG. | |
4316 | ## Should we only be setting LIB_GCC if LD ~ -nostdlib? | |
4317 | LIB_GCC= | |
4318 | if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then | |
4319 | ||
4320 | case "$opsys" in | |
4321 | freebsd|netbsd|openbsd) LIB_GCC= ;; | |
4322 | ||
4323 | gnu-*) | |
4324 | ## armin76@gentoo.org reported that the lgcc_s flag is necessary to | |
4325 | ## build on ARM EABI under GNU/Linux. (Bug#5518) | |
d6a003a8 AS |
4326 | case $host_cpu in |
4327 | arm*) | |
067d23c9 | 4328 | LIB_GCC="-lgcc_s" |
d6a003a8 AS |
4329 | ;; |
4330 | *) | |
067d23c9 KY |
4331 | ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then |
4332 | ## immediately undefine it again and redefine it to empty. | |
4333 | ## Was the C_SWITCH_X_SITE part really necessary? | |
4334 | ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name` | |
4335 | LIB_GCC= | |
d6a003a8 AS |
4336 | ;; |
4337 | esac | |
067d23c9 KY |
4338 | ;; |
4339 | ||
4340 | ## Ask GCC where to find libgcc.a. | |
4341 | *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;; | |
4342 | esac | |
4343 | fi dnl if $GCC | |
4344 | AC_SUBST(LIB_GCC) | |
4345 | ||
17a2cbbd DC |
4346 | ## Common for all window systems |
4347 | if test "$window_system" != "none"; then | |
067d23c9 KY |
4348 | AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.]) |
4349 | AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.]) | |
17a2cbbd | 4350 | WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o" |
067d23c9 | 4351 | fi |
067d23c9 | 4352 | |
17a2cbbd | 4353 | AC_SUBST(WINDOW_SYSTEM_OBJ) |
067d23c9 KY |
4354 | |
4355 | AH_TOP([/* GNU Emacs site configuration template file. | |
73b0cd50 | 4356 | |
acaf905b | 4357 | Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012 |
73b0cd50 | 4358 | Free Software Foundation, Inc. |
067d23c9 KY |
4359 | |
4360 | This file is part of GNU Emacs. | |
4361 | ||
4362 | GNU Emacs is free software: you can redistribute it and/or modify | |
4363 | it under the terms of the GNU General Public License as published by | |
4364 | the Free Software Foundation, either version 3 of the License, or | |
4365 | (at your option) any later version. | |
4366 | ||
4367 | GNU Emacs is distributed in the hope that it will be useful, | |
4368 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
4369 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
4370 | GNU General Public License for more details. | |
4371 | ||
4372 | You should have received a copy of the GNU General Public License | |
4373 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ | |
4374 | ||
4375 | ||
4376 | /* No code in Emacs #includes config.h twice, but some bits of code | |
4377 | intended to work with other packages as well (like gmalloc.c) | |
4378 | think they can include it as many times as they like. */ | |
4379 | #ifndef EMACS_CONFIG_H | |
4380 | #define EMACS_CONFIG_H | |
4381 | ])dnl | |
4382 | ||
b429a4ee | 4383 | AH_BOTTOM([#include <conf_post.h> |
067d23c9 | 4384 | |
067d23c9 KY |
4385 | #endif /* EMACS_CONFIG_H */ |
4386 | ||
4387 | /* | |
4388 | Local Variables: | |
4389 | mode: c | |
4390 | End: | |
4391 | */ | |
4392 | ])dnl | |
4393 | ||
4394 | #### Report on what we decided to do. | |
4395 | #### Report GTK as a toolkit, even if it doesn't use Xt. | |
4396 | #### It makes printing result more understandable as using GTK sets | |
4397 | #### toolkit_scroll_bars to yes by default. | |
4398 | if test "${HAVE_GTK}" = "yes"; then | |
4d0b77fc | 4399 | USE_X_TOOLKIT=GTK |
067d23c9 KY |
4400 | fi |
4401 | ||
4402 | echo " | |
4403 | Configured for \`${canonical}'. | |
4404 | ||
4405 | Where should the build process find the source code? ${srcdir} | |
067d23c9 KY |
4406 | What compiler should emacs be built with? ${CC} ${CFLAGS} |
4407 | Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason} | |
4408 | Should Emacs use a relocating allocator for buffers? ${REL_ALLOC} | |
4409 | Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers | |
4410 | What window system should Emacs use? ${window_system} | |
4411 | What toolkit should Emacs use? ${USE_X_TOOLKIT}" | |
4412 | ||
4413 | if test -n "${x_includes}"; then | |
4414 | echo " Where do we find X Windows header files? ${x_includes}" | |
4415 | else | |
4416 | echo " Where do we find X Windows header files? Standard dirs" | |
4417 | fi | |
4418 | if test -n "${x_libraries}"; then | |
4419 | echo " Where do we find X Windows libraries? ${x_libraries}" | |
4420 | else | |
4421 | echo " Where do we find X Windows libraries? Standard dirs" | |
4422 | fi | |
4423 | ||
4424 | echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}" | |
4425 | echo " Does Emacs use -lXpm? ${HAVE_XPM}" | |
4426 | echo " Does Emacs use -ljpeg? ${HAVE_JPEG}" | |
4427 | echo " Does Emacs use -ltiff? ${HAVE_TIFF}" | |
4428 | echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF" | |
4429 | echo " Does Emacs use -lpng? ${HAVE_PNG}" | |
4430 | echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}" | |
4431 | echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}" | |
4432 | ||
4433 | echo " Does Emacs use -lgpm? ${HAVE_GPM}" | |
4434 | echo " Does Emacs use -ldbus? ${HAVE_DBUS}" | |
4435 | echo " Does Emacs use -lgconf? ${HAVE_GCONF}" | |
9851bfc5 | 4436 | echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}" |
067d23c9 | 4437 | echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}" |
9f77899d | 4438 | echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}" |
067d23c9 KY |
4439 | echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}" |
4440 | ||
4441 | echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}" | |
4442 | echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}" | |
4443 | echo " Does Emacs use -lotf? ${HAVE_LIBOTF}" | |
4444 | echo " Does Emacs use -lxft? ${HAVE_XFT}" | |
4445 | ||
4446 | echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}" | |
4447 | echo | |
4448 | ||
5f77c86c GM |
4449 | if test -n "${EMACSDATA}"; then |
4450 | echo " Environment variable EMACSDATA set to: $EMACSDATA" | |
4451 | fi | |
4452 | if test -n "${EMACSDOC}"; then | |
4453 | echo " Environment variable EMACSDOC set to: $EMACSDOC" | |
4454 | fi | |
4455 | ||
067d23c9 KY |
4456 | echo |
4457 | ||
4458 | if test "$HAVE_NS" = "yes"; then | |
4459 | echo | |
507ea258 | 4460 | echo "You must run \"${MAKE-make} install\" in order to test the built application. |
067d23c9 KY |
4461 | The installed application will go to nextstep/Emacs.app and can be |
4462 | run or moved from there." | |
4463 | if test "$EN_NS_SELF_CONTAINED" = "yes"; then | |
4464 | echo "The application will be fully self-contained." | |
4465 | else | |
4466 | echo "The lisp resources for the application will be installed under ${prefix}. | |
507ea258 | 4467 | You may need to run \"${MAKE-make} install\" with sudo. The application will fail |
067d23c9 KY |
4468 | to run if these resources are not installed." |
4469 | fi | |
4470 | echo | |
4471 | fi | |
4472 | ||
badf86af KB |
4473 | if test "${opsys}" = "cygwin"; then |
4474 | case `uname -r` in | |
4475 | 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]]) | |
4476 | echo | |
4477 | ;; | |
4478 | esac | |
4479 | fi | |
067d23c9 KY |
4480 | |
4481 | # Remove any trailing slashes in these variables. | |
4482 | [test "${prefix}" != NONE && | |
4483 | prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'` | |
4484 | test "${exec_prefix}" != NONE && | |
4485 | exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`] | |
4486 | ||
bdd556a2 | 4487 | dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES. |
d0ff0c7d GM |
4488 | dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory |
4489 | dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable | |
bdd556a2 GM |
4490 | dnl (else you get "no `Makefile.am' found for any configure output"). |
4491 | dnl This will work, but you get a config.status that is not quite right | |
4492 | dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html). | |
4493 | dnl That doesn't have any obvious consequences for Emacs, but on the whole | |
4494 | dnl it seems better to just live with the duplication. | |
4495 | 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" | |
4496 | ||
4497 | AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \ | |
4498 | doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \ | |
4499 | doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \ | |
4500 | leim/Makefile]) | |
6c7e099d GM |
4501 | |
4502 | dnl test/ is not present in release tarfiles. | |
70716b1d GM |
4503 | opt_makefile=test/automated/Makefile |
4504 | ||
bdd556a2 | 4505 | if test -f $srcdir/${opt_makefile}.in; then |
70716b1d | 4506 | SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile" |
bdd556a2 GM |
4507 | dnl Again, it's best not to use a variable. Though you can add |
4508 | dnl ", [], [opt_makefile='$opt_makefile']" and it should work. | |
4509 | AC_CONFIG_FILES([test/automated/Makefile]) | |
4510 | fi | |
70716b1d | 4511 | |
a9f72fc1 GM |
4512 | |
4513 | dnl admin/ may or may not be present. | |
4514 | opt_makefile=admin/unidata/Makefile | |
4515 | ||
4516 | if test -f $srcdir/${opt_makefile}.in; then | |
4517 | SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile" | |
4518 | AC_CONFIG_FILES([admin/unidata/Makefile]) | |
4519 | fi | |
4520 | ||
4521 | ||
bdd556a2 | 4522 | SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'` |
70716b1d GM |
4523 | |
4524 | AC_SUBST(SUBDIR_MAKEFILES_IN) | |
1e8dbdc6 GM |
4525 | |
4526 | dnl Make the necessary directories, if they don't exist. | |
4527 | AC_CONFIG_COMMANDS([mkdirs], [ | |
4528 | for dir in etc lisp ; do | |
4529 | test -d ${dir} || mkdir ${dir} | |
4530 | done | |
4531 | ]) | |
4532 | ||
067d23c9 KY |
4533 | dnl You might wonder (I did) why epaths.h is generated by running make, |
4534 | dnl rather than just letting configure generate it from epaths.in. | |
4535 | dnl One reason is that the various paths are not fully expanded (see above); | |
4536 | dnl eg gamedir=${prefix}/var/games/emacs. | |
4537 | dnl Secondly, the GNU Coding standards require that one should be able | |
4538 | dnl to run `make prefix=/some/where/else' and override the values set | |
4539 | dnl by configure. This also explains the `move-if-change' test and | |
4540 | dnl the use of force in the `epaths-force' rule in Makefile.in. | |
1e8dbdc6 | 4541 | AC_CONFIG_COMMANDS([epaths], [ |
067d23c9 | 4542 | echo creating src/epaths.h |
8f25abd3 | 4543 | ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force |
f04940ae | 4544 | ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"]) |
067d23c9 | 4545 | |
1e8dbdc6 | 4546 | AC_CONFIG_COMMANDS([gdbinit], [ |
067d23c9 KY |
4547 | if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then |
4548 | echo creating src/.gdbinit | |
4549 | echo source $srcdir/src/.gdbinit > src/.gdbinit | |
4550 | fi | |
1e8dbdc6 | 4551 | ]) |
067d23c9 | 4552 | |
1e8dbdc6 | 4553 | AC_OUTPUT |