ex{|or}cise the monstrosity that is aRts once and for all
[sxemacs] / configure.ac
1 dnl SXEmacs config script for autoconf >=2.60
2 dnl -------------------------------------------------------------------------
3 dnl Overrides of standard autoconf macros.
4
5 m4_include([sxemacs_version.m4])
6
7 dnl -------------------------------------------------------------------------
8 dnl Autoconf startup.
9 dnl -------------------------------------------------------------------------
10
11 AC_PREREQ([2.62])
12 AC_INIT([SXEmacs], [SXEM4CS_VERSION], [http://issues.sxemacs.org/])
13 AC_CONFIG_HEADER([src/config.h])
14 AC_CONFIG_SRCDIR([src/lisp.h])
15 AC_CONFIG_AUX_DIR([.])
16 AC_CONFIG_MACRO_DIR([m4])
17
18 dnl -------------------------------------------------------------------------
19 dnl Local copyright notices.
20 dnl -------------------------------------------------------------------------
21
22 AC_COPYRIGHT(
23 [#### Configuration script for SXEmacs.  Largely divergent from FSF.
24 #### Guess values for system-dependent variables and create Makefiles.
25 #### Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
26 #### Copyright (C) 1993-1995 Board of Trustees, University of Illinois.
27 #### Copyright (C) 1996, 1997 Sun Microsystems, Inc.
28 #### Copyright (C) 1995, 1996, 2002, 2003, 2004 Ben Wing.
29 #### Copyright (C) 2000, 2001 Martin Buchholz.
30 #### Copyright (C) 1998, 1999 J. Kean Johnston.
31 #### Copyright (C) 2005 Malcolm Purvis.
32 #### Copyright (C) 2005, 2006, 2007 Steve Youngs.
33 #### Copyright (C) 2006, 2007, 2008 Sebastian Freundt.
34 #### Copyright (C) 2007, 2010, 2011 Nelson Ferreira
35
36 ### Don't edit this script!
37 ### This script was automatically generated by the `autoconf' program
38 ### from the file `./configure.ac'.
39 ### To rebuild it, execute the command
40 ###     autoconf
41 ### in the this directory.
42
43 ### This file is part of SXEmacs.
44
45 ### SXEmacs is free software: you can redistribute it and/or modify
46 ### it under the terms of the GNU General Public License as published by
47 ### the Free Software Foundation, either version 3 of the License, or
48 ### (at your option) any later version.
49
50 ### SXEmacs is distributed in the hope that it will be useful,
51 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
52 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
53 ### GNU General Public License for more details.
54
55 ### You should have received a copy of the GNU General Public License
56 ### along with this program.  If not, see <http://www.gnu.org/licenses/>.
57
58 ### Parts of SXEmacs are also distributed under a BSD-like licence.
59 ### Check file headers for more information.
60
61 ### For usage, run `./configure --help'
62 ### For more detailed information on building and installing SXEmacs,
63 ### read the file `INSTALL'.
64 ###
65 ### If configure succeeds, it leaves its status in config.status.
66 ### A log of configuration tests can be found in config.log.
67 ### If configure fails after disturbing the status quo,
68 ###     config.status is removed.
69 ])
70
71 AC_REVISION([SXEM4CS_GIT_VERSION])
72
73
74 dnl Build Options
75 dnl =============
76 OG_OPTION_GROUP(Build Options)
77
78 OG_ARG_WITH([prefix],
79         AS_HELP_STRING([--with-prefix@<:@=ARG@:>@],
80                 [Whether to compile the value of --prefix into the executable.]),
81         [yes], [YES (DO compile prefix into the executable)])
82
83 OG_ARG_WITH([sitemoduledir],
84         AS_HELP_STRING([--with-sitemoduledir=DIR],
85                 [Directory for loadable modules that are not part of
86                 the SXEmacs core distribution (3rd party emodules).]),
87         [none], [$prefix/lib/sxemacs/$build/site-modules], [og_any],
88         [AC_DEFINE([SITEMODULEDIR_USER_DEFINED], [1],
89                 [sitemoduledir has been specified on the configure line.])],
90         [with_sitemoduledir='${libdir}/${PROGNAME}/${configuration}/site-modules'])
91
92 OG_ARG_WITH([site-includes],
93         AS_HELP_STRING([--with-site-includes=PATH],
94                 [Colon separated list of _extra_ include directories
95                 to search for headers.]),
96         [none], [None], [og_any])
97
98 OG_ARG_WITH([site-libraries],
99         AS_HELP_STRING([--with-site-libraries=PATH],
100                 [Colon separated list of extra lib directories to
101                 search for libraries. (Default: None)]),
102         [none], [None], [og_any])
103
104 OG_ARG_WITH([site-prefixes],
105         AS_HELP_STRING([--with-site-prefixes=PATH],
106                 [Colon separated list of extra prefix directories to
107                 search for headers and libraries.  Sometimes this can
108                 be used instead of specifying both
109                 --with-site-includes and
110                 --with-site-libraries.]),
111         [none], [None], [og_any])
112
113 OG_ARG_WITH([lispdir],
114         AS_HELP_STRING([--with-lispdir=DIR],
115                 [Where to install core lisp files.]),
116         [none], [$prefix/lib/sxemacs-$version/lisp], [og_any],
117         [AC_DEFINE([LISPDIR_USER_DEFINED], [1],
118                 [lispdir has been specified on the configure line.])],
119         [with_lispdir='${datadir}/${instvardir}/lisp'])
120
121 OG_ARG_WITH([archlibdir],
122         AS_HELP_STRING([--with-archlibdir=DIR],
123                 [Directory for arch-dependent files.]),
124         [none], [$prefix/lib/sxemacs-$version/$build], [og_any],
125         [AC_DEFINE([ARCHLIBDIR_USER_DEFINED], [1],
126                 [archlibdir has been specified on the configure line.])],
127         [with_archlibdir='${libdir}/${instvardir}/${configuration}'])
128
129 OG_ARG_WITH([moduledir],
130         AS_HELP_STRING([--with-moduledir=DIR],
131                 [Directory for loadable modules.]),
132         [none], [$prefix/lib/sxemacs-$version/$build/modules], [og_any],
133         [AC_DEFINE([MODULEDIR_USER_DEFINED], [1],
134                 [moduledir has been specified on the configure line.])],
135         [with_moduledir='${libdir}/${instvardir}/${configuration}/modules'])
136
137 OG_ARG_WITH([etcdir],
138         AS_HELP_STRING([--with-etcdir=DIR],
139                 []),
140         [none], [$prefix/lib/sxemacs-$version/etc], [og_any],
141         [AC_DEFINE([ETCDIR_USER_DEFINED], [1],
142                 [etcdir has been specified on the configure line.])],
143         [with_etcdir='${datadir}/${instvardir}/etc'])
144
145 OG_ARG_WITH([infopath],
146         AS_HELP_STRING([--with-infopath=PATH],
147                 [Colon separated list of directories to use as
148                 the info search path. This is not normally needed.]),
149         [none], [None], [og_any],
150         [AC_DEFINE([INFOPATH_USER_DEFINED], [1],
151                 [inforpath has been specified on the configure line.])], [])
152
153 OG_ARG_WITH([docdir],
154         AS_HELP_STRING([--with-docdir=DIR],
155                 [Where it store certain doc files (not info or man).]),
156         [none], [$prefix/lib/sxemacs-$version/$build], [og_any],
157         [AC_DEFINE([DOCDIR_USER_DEFINED], [1],
158                 [docdir has been specified on the configure line.])],
159         [with_docdir='${archlibdir}'])
160
161 OG_ARG_WITH([site-runtime-libraries],
162         AS_HELP_STRING([--with-site-runtime-libraries=PATH],
163                 [Colon separated list of directories to search for
164                 libraries at run time.  This isn't normally needed.]),
165         [none], [None], [og_any])
166
167 OG_ARG_WITH([module-path],
168         AS_HELP_STRING([--with-module-path=PATH],
169                 [Search path to the emodules directories.
170                 A colon separated list of directories. Normally, there is
171                 no need to set this.]),
172         [none], [None], [og_any],
173         [AC_DEFINE([MODULE_PATH_USER_DEFINED], [1],
174                 [module-path has been specified on the configure line.])],
175         [])
176
177 OG_ARG_WITH([package-prefix],
178         AS_HELP_STRING([--with-package-prefix=PATH],
179                 [What to use as a prefix to the system-wide package
180                 directories.  It doesn't affect the package directories
181                 under ~/.sxemacs, and is totally ignored if
182                 --with-package-path is set.
183                 Normally, you would not need to set this.]),
184         [none], [None], [og_any],
185         [AC_DEFINE([PACKAGE_PREFIX_USER_DEFINED], [1],
186                 [package-prefix has been specified on the configure line.])],
187         [])
188
189 OG_ARG_WITH([package-path],
190         AS_HELP_STRING([--with-package-path=PATH],
191                 [Search path to the package directories.
192                 This path is made up of 3 separate "path elements",
193                 each element is a colon separated list of directories,
194                 with the boundary between elements being a double
195                 colon.  The 3 path elements are for "early", "late",
196                 and "last" package directories.  If only a single
197                 element is specified it is "late".  Example:
198                 early1:early2::late1:late2::last1:last2.  Setting this
199                 overrides --with-package-prefix.  Normally, there is
200                 no need to set this.]),
201         [none], [None], [og_any],
202         [AC_DEFINE([PACKAGE_PATH_USER_DEFINED], [1],
203                 [package-path has been specified on the configure line.])],
204         [])
205
206 dnl stupid option, innit?
207 OG_ARG_WITH([quick-build],
208         AS_HELP_STRING([--with-quick-build],
209                 [Speed up the build cycle by leaving out steps where
210                 SXEmacs will still work (more or less) without them.
211                 Potentially dangerous if you don't know what you're
212                 doing. This (1) doesn't garbage-collect after loading
213                 each file during dumping, (2) doesn't automatically
214                 rebuild the DOC file (remove it by hand to get it
215                 rebuilt), (3) Removes config.h lisp.h and associated
216                 files from the dependency lists so changes to these
217                 files don't automatically cause all .c files
218                 to be rebuilt.]),
219         [no], [No], [])
220
221 OG_ARG_WITH([compiler],
222         AS_HELP_STRING([--with-compiler=COMPILER],
223                 [Do not use me! Use CC=<your-compiler> instead!
224                 C compiler to use.
225                 Note: SXEmacs _CANNOT_ be built with a C++ compiler.]),
226         [none], [None], [og_any], [
227                 OG_WARN_OBSOLETE_OPTION([--with-compiler], [CC=<your-cc>])])
228
229 OG_ARG_WITH([cflags],
230         AS_HELP_STRING([--with-cflags],
231                 [Do not use me! Use CFLAGS=<your flags> instead!
232                 Compiler flags (such as -O); setting this overrides
233                 all default compiler flags except those that control
234                 warnings. Most people wouldn't need to set
235                 this.]),
236         [none], [None], [og_any], [
237                 OG_WARN_OBSOLETE_OPTION([--with-cflags], [CFLAGS=<your flags>])])
238
239 OG_ARG_WITH([cflags-warning],
240         AS_HELP_STRING([--with-cflags-warning],
241                 [Do not use me! I will disappear soon!]),
242         [none], [None], [og_any])
243
244 OG_ARG_WITH([cpp],
245         AS_HELP_STRING([--with-cpp],
246                 [Do not use me! Use CPP=<your-cpp> instead!]),
247         [none], [None], [og_any], [
248                 OG_WARN_OBSOLETE_OPTION([--with-cpp], [CPP=<your-cpp>])
249                 CPP="$with_cpp"])
250
251 OG_ARG_WITH([cppflags],
252         AS_HELP_STRING([--with-cppflags],
253                 [Do not use me! Use CPPFLAGS=<your flags> instead!]),
254         [none], [None], [og_any], [
255                 OG_WARN_OBSOLETE_OPTION([--with-cppflags], [CPPFLAGS=<your flags>])
256                 CPPFLAGS="$with_cppflags"])
257
258 OG_ARG_WITH([libs],
259         AS_HELP_STRING([--with-libs],
260                 [Do not use me! Use LIBS=<your libs> instead!]),
261         [none], [None], [og_any], [
262                 OG_WARN_OBSOLETE_OPTION([--with-libs], [LIBS=<your libs>])
263                 LIBS="$with_libs"])
264
265 OG_ARG_WITH([ldflags],
266         AS_HELP_STRING([--with-ldflags],
267                 [Do not use me! Use LDFLAGS=<your flags> instead!]),
268         [none], [None], [og_any], [
269                 OG_WARN_OBSOLETE_OPTION([--with-ldflags], [LDFLAGS=<your flags>])
270                 LDFLAGS="$with_ldflags"])
271
272 OG_ARG_WITH([ridiculously-aggressive-optimisations],
273         AS_HELP_STRING([--with-ridiculously-aggressive-optimisations],
274                 [Whether to try all possible optimisations]),
275         [no], [No])
276
277 OG_ARG_WITH([maximum-warning-output],
278         AS_HELP_STRING([--with-maximum-warning-output],
279                 [Whether to output as many warnings as possible]),
280         [no], [No])
281
282
283 dnl Internal Options
284 dnl ================
285 OG_OPTION_GROUP(Internal Options)
286
287 OG_ARG_WITH([dynamic],
288         AS_HELP_STRING([--with-dynamic],
289                 [Link dynamically if supported by system.
290                 'NO' forces static linking.]),
291         [auto], [Autodetect])
292
293 OG_ARG_WITH([rel-alloc],
294         AS_HELP_STRING([--with-rel-alloc],
295                 [Relocating allocator for buffers.]),
296         [default], [Autodetect])
297
298 OG_ARG_WITH([dlmalloc],
299         AS_HELP_STRING([--with-dlmalloc],
300                 [Use Doug Lea's malloc.]),
301         [default], [Autodetect])
302
303 OG_ARG_WITH([debug-malloc],
304         AS_HELP_STRING([--with-debug-malloc],
305                 [Use a debugging malloc.]),
306         [no], [NO])
307
308 OG_ARG_WITH([system-malloc],
309         AS_HELP_STRING([--with-system-malloc],
310                 [Use a system malloc instead of GNU.]),
311         [default], [YES if using quantify or purify; NO otherwise])
312
313 OG_ARG_WITH([regex-malloc],
314         AS_HELP_STRING([--with-regex-malloc],
315                 [Use malloc for regex failure stack.]),
316         [yes], [YES])
317
318 OG_ARG_WITH([ffi],
319         AS_HELP_STRING([--with-ffi],
320                 [Compile in experimental support for
321                 Foreign Function Interface.]),
322         [yes], [YES])
323
324 OG_ARG_WITH([module-support],
325         AS_HELP_STRING([--with-module-support],
326                 [Compile in experimental support for dynamically
327                 loaded libraries (Dynamic Shared Objects).]),
328         [yes], [YES if shared libraries are supported])
329
330 OG_MULTIARG_WITH([modules], [dnl
331         AS_HELP_STRING([--with-modules], [
332                 Which modules to compile and install.])],
333         [all], [all], [dnl
334         OG_MULTIARG_ITEM([ase], [ase], [algebraic structures])
335         OG_MULTIARG_ITEM([cl], [cl], [fast Common Lisp implementation])
336 ])
337
338 OG_MULTIARG_WITH([static-modules], [dnl
339         AS_HELP_STRING([--with-static-modules], [
340                 Which modules to compile as archives to link their
341                 functionality statically into the SXEmacs binary.])
342         AS_HELP_STRING([], [
343                 You should regard this as a proof of concept.])],
344         [none], [NONE], [dnl
345         OG_MULTIARG_ITEM([ase], [ase], [algebraic structures])
346         OG_MULTIARG_ITEM([cl], [cl], [fast Common Lisp implementation])
347 ])
348
349 dnl _OG_MULTIARG_ITEM([ent], [int], [int], [native integer arithmetics])
350 dnl _OG_MULTIARG_ITEM([ent], [fpfloat], [fpfloat], [native fixed precision floats])
351 dnl _OG_MULTIARG_ITEM([ent], [indef], [indef], [abstract indefinites])
352 OG_MULTIARG_WITH([ent], [dnl
353         AS_HELP_STRING([--with-ent], [
354                 Compile in support for enhanced number types,
355                 using internal and external libraries.])],
356         [none int fpfloat indef gmp], [int fpfloat indef gmp], [dnl
357         OG_MULTIARG_ITEM([int], [int], [native integer arithmetics])
358         OG_MULTIARG_ITEM([fpfloat], [fpfloat], [native fixed precision floats])
359         OG_MULTIARG_ITEM([indef], [indef], [native abstract indefinites])
360         OG_MULTIARG_ITEM([gmp], [GMP], [GNU multiprecision library])
361         OG_MULTIARG_ITEM([mpfr], [MPFR], [Multiprecision Floats with correct Rounding])
362         OG_MULTIARG_ITEM([mpc], [MPC], [Multiprecision Complex numbers (C/R)])
363         OG_MULTIARG_ITEM([pseug], [pseudoG], [native Gaussian Numbers (Z+Z)])
364         OG_MULTIARG_ITEM([pseuc], [pseudoC], [native Complex Numbers (C/R)])
365         OG_MULTIARG_ITEM([quatern], [Quaternions], [native Quaternions (Z+Z+Z+Z)])
366         OG_MULTIARG_ITEM([ecm], [ECM], [factorisations per Elliptic Curve Method])
367         OG_MULTIARG_MUTEX([mpz], [Arbitrary precision integers], [gmp mp])
368         OG_MULTIARG_MUTEX([complex], [Complex numbers as in C/R], [mpc pseuc])
369 ])
370
371 OG_MULTIARG_WITH([ase], [dnl
372         AS_HELP_STRING([--with-ase], [
373                 Compile in support for algebraic structures based on ENT,
374                 using internal and external libraries.])],
375         [none], [none], [dnl
376         OG_MULTIARG_ITEM([cart], [cartesian], [Cartesian Products of ENT and ASE objects])
377         OG_MULTIARG_ITEM([dig], [digraph], [Directed 2-ary Graphs with Colours])
378         OG_MULTIARG_ITEM([intv], [interval], [Intervals of comparable or normed ENT and ASE objects])
379         OG_MULTIARG_ITEM([metric], [metric], [Metric Spaces])
380         OG_MULTIARG_ITEM([nbhood], [neighbourhood], [Neighbourhoods of comparable or normed ENT and ASE objects])
381         OG_MULTIARG_ITEM([perm], [permutation], [Permutations])
382         OG_MULTIARG_ITEM([resclass], [resclass], [Residue Class Rings and Classes])
383 ])
384
385 OG_ARG_WITH([compre],
386         AS_HELP_STRING([--with-compre],[
387                 Provide exhaustive caching of compiled regexps. This will
388                 mean that frequently used regexps will be faster to use
389                 since the compile step will not be needed after first use.]),
390         [yes], [By default do cache compiled regexps.])
391
392 OG_MULTIARG_WITH([experimental-features], [dnl
393         AS_HELP_STRING([--with-experimental-features], [
394                 Activate experimental code, that is code which is
395                 considered useful but whose effects in conjunction with
396                 the variety of elisp projects cannot be foreseen.])
397         AS_HELP_STRING([], [
398                 During the beta phase of SXEmacs all experimental code
399                 will be unconditionally enabled.  However, if you plan
400                 to use this SXEmacs in a production environment you
401                 can switch off some portions.])],
402         [all nobdwgc], [ALL but bdwgc], [dnl
403         OG_MULTIARG_ITEM([bdwgc], [bdwgc], [the Boehm-Demers-Weiser collector])
404         OG_MULTIARG_ITEM([asyneq], [asyneq], [asynchronous event queues])
405 ])
406         dnl stop that pom stuff
407         dnl OG_MULTIARG_ITEM([pom], [pom], [thread-safe objects])
408
409 OG_ARG_WITH([event-driver],
410         AS_HELP_STRING([--with-event-driver], [
411                 Which event routines to use.
412                 Events control the way how external `sources' are
413                 incorporated into SXEmacs.  Sources hereby are user inputs,
414                 such as key strokes, mouse moves, pedalling, slapping the
415                 monitor, etc.; but there are manifold further sources, such as
416                 process signals, data on a socket, focussing an X window,
417                 lapsing a timeout, and so forth.])
418 AS_HELP_STRING([], [
419                 An event driver can cope with all (or most) of these in a
420                 uniform and abstract way.  SXEmacs can either be driven
421                 using its built-in event handlers, or using one of the
422                 external systems.]),
423         [auto], [Autodetect], [auto built-in libevent liboop glib])
424
425
426 dnl Debugging Options
427 dnl ================
428 OG_OPTION_GROUP(Debugging Options)
429
430 OG_ARG_WITH([debug],
431         AS_HELP_STRING([--with-debug],
432                 [Compile with extra debugging code.
433                 This will turn on: --with-assertions
434                 and --with-memory-usage-stats.]),
435         [yes], [YES for beta; NO for release])
436
437 OG_ARG_WITH([memory-usage-stats],
438         AS_HELP_STRING([--with-memory-usage-stats],
439                 [Compile with support for statistics about memory usage at runtime.]),
440         [yes], [YES for beta])
441
442 OG_MULTIARG_WITH([error-checking], [dnl
443         AS_HELP_STRING([--with-error-checking=TYPE], [
444                 Compile with internal error-checking added.])
445         AS_HELP_STRING([], [
446                 WARNING: Causes noticeable loss of speed!])],
447         [all], [ALL for beta; NONE otherwise], [dnl
448         OG_MULTIARG_ITEM([extents], [extents], [checks on extents])
449         OG_MULTIARG_ITEM([types], [types], [checks on types])
450         OG_MULTIARG_ITEM([gc], [gc], [checks on garbage collection])
451         OG_MULTIARG_ITEM([malloc], [malloc], [checks on memory allocation])
452         OG_MULTIARG_ITEM([byte_code], [byte_code], [checks on byte compiled code])
453         OG_MULTIARG_ITEM([bufpos], [bufpos], [checks on buffer position])
454         OG_MULTIARG_ITEM([glyphs], [glyphs], [checks on glyph data])
455         OG_MULTIARG_ITEM([stack], [stack], [checks on stack barriers])
456         OG_MULTIARG_ITEM([malldbg], [malldbg], [malloc debugging code])
457 ])
458
459 OG_ARG_WITH([purify],
460         AS_HELP_STRING([--with-purify],
461                 [Add support for memory debugging using Purify.]),
462         [no], [NO])
463
464 OG_ARG_WITH([quantify],
465         AS_HELP_STRING([--with-quantify],
466                 [Add support for performance debugging using Quantify.]),
467         [no], [NO])
468
469
470 dnl Window System Features
471 dnl ======================
472 OG_OPTION_GROUP(Window System Features)
473
474 OG_ARG_WITH([toolbars],
475         AS_HELP_STRING([--with-toolbars],
476                 [Compile in toolbar support.]),
477         [yes], [YES])
478
479 OG_ARG_WITH([external-widget],
480         AS_HELP_STRING([--with-external-widget],
481                 [Enable the "external widget" interface,
482                 which allows a SXEmacs frame to appear as a widget in
483                 another application.
484                 To date, we haven't heard of anyone who has actually done this.
485                 Consider this EXPERIMENTAL.]),
486         [no], [NO])
487
488 OG_ARG_WITH([menubars],
489         AS_HELP_STRING([--with-menubars=TYPE],
490                 [Type of menubars to use.  The Lucid menubars emulate
491                 Motif (mostly) but are faster.]),
492         [lucid], [Lucid], [lucid no])
493
494 OG_ARG_WITH([scrollbars],
495         AS_HELP_STRING([--with-scrollbars=TYPE],
496                 [Type of scrollbars to use.
497                 *WARNING*  The Motif scrollbars are currently broken.]),
498         [lucid], [Lucid], [lucid motif athena no])
499
500 OG_ARG_WITH([dialogs],
501         AS_HELP_STRING([--with-dialogs=TYPE],
502                 [Type of dialog boxes to use.  Athena dialogs will
503                  be used if Athena can be found.]),
504         [athena], [], [athena motif no])
505
506 OG_ARG_WITH([widgets],
507         AS_HELP_STRING([--with-widgets=TYPE],
508                 [Type of native widgets to use.  Athena widgets will
509                 be used if Athena can be found.]),
510         [athena], [], [athena motif no])
511
512 OG_ARG_WITH([athena],
513         AS_HELP_STRING([--with-athena=TYPE],
514                 [Type of Athena widgets to use.]),
515         [auto], [Autodetect], [auto xaw 3d next 95 xpm no])
516
517 OG_ARG_WITH([xim],
518         AS_HELP_STRING([--with-xim],
519                 [Type of Mule input method to use.]),
520         [auto], [Autodetect], [yes no xlib motif])
521
522 OG_ARG_WITH([wmcommand],
523         AS_HELP_STRING([--with-wmcommand],
524                 [Compile with realized leader window which will
525                 keep the WM_COMMAND property.]),
526         [yes], [YES])
527
528 OG_ARG_WITH([xmu],
529         AS_HELP_STRING([--with-xmu],
530                 [For those unfortunates whose vendors don't ship Xmu.]),
531         [auto], [Autodetect])
532
533 OG_ARG_WITH([xfs],
534         AS_HELP_STRING([--with-xfs],
535                 [Compile with XFontSet support for internationalized
536                 menubar.  Incompatible with `--with-xim=motif'.
537                 `--with-menubars=lucid' (the default) is desirable.]),
538         [no], [NO])
539
540 dnl TTY Options
541 dnl ================
542 OG_OPTION_GROUP(TTY options)
543
544 OG_ARG_WITH([tty],
545         AS_HELP_STRING([--with-tty],
546                 [Add support for ttys.]),
547         [auto], [Autodetect])
548
549 OG_ARG_WITH([ncurses],
550         AS_HELP_STRING([--with-ncurses],
551                 [Use the ncurses library for tty support.]),
552         [auto], [Autodetect])
553
554 OG_ARG_WITH([gpm],
555         AS_HELP_STRING([--with-gpm],
556                 [Compile in GPM mouse support for ttys.]),
557         [auto], [Autodetect])
558
559
560 dnl Database Options
561 dnl ================
562 OG_OPTION_GROUP(Database options)
563
564 OG_MULTIARG_WITH([database], [dnl
565         AS_HELP_STRING([--with-database=TYPE],
566                 [Compile with database support.])],
567         [auto], [Autodetect], [dnl
568         OG_MULTIARG_ITEM([berkdb], [berkdb], [Berkeley DB support])
569         OG_MULTIARG_ITEM([dbm], [dbm], [DBM database support])
570         OG_MULTIARG_ITEM([gdbm], [gdbm], [GNU DBM support])
571 ])
572
573 OG_ARG_WITH([ldap],
574         AS_HELP_STRING([--with-ldap],
575                 [Compile with support for the LDAP protocol.]),
576         [no], [NO])
577
578 OG_ARG_WITH([postgresql],
579         AS_HELP_STRING([--with-postgresql],
580                 [Compile with support for the PostgreSQL RDBMS.]),
581         [yes], [Autodetect])
582
583
584 dnl Multimedia Options
585 dnl ==================
586 OG_OPTION_GROUP(Multimedia options)
587
588 OG_MULTIARG_WITH([image], [dnl
589         AS_HELP_STRING([--with-image=TYPE],
590                 [Compile with image support.])],
591         [auto], [Autodetect all image support], [dnl
592         OG_MULTIARG_ITEM([gif], [GIF], [GIF image format])
593         OG_MULTIARG_ITEM([xpm], [XPM], [X PixMap image format])
594         OG_MULTIARG_ITEM([png], [PNG], [Portable Network Graphic format])
595         OG_MULTIARG_ITEM([jpeg], [JPEG], [jpeg image format])
596         OG_MULTIARG_ITEM([tiff], [TIFF], [TIFF image format])
597         OG_MULTIARG_ITEM([xface], [xface], [base64 encoded xbm])
598 ])
599
600 OG_MULTIARG_WITH([sound], [dnl
601         AS_HELP_STRING([--with-sound=TYPE],
602                 [Compile with sound support.])],
603         [auto], [Autodetect all sound support (except Pulse)], [dnl
604         OG_MULTIARG_ITEM([alsa], [ALSA], [kernel-based linux sound standard])
605         OG_MULTIARG_ITEM([ao], [ao], [generic audio output layer])
606         OG_MULTIARG_ITEM([esd], [ESD], [Enlightenment Sound Daemon])
607         OG_MULTIARG_ITEM([jack], [Jack], [a low-latency audio server])
608         OG_MULTIARG_ITEM([nas], [NAS], [Network Audio System])
609         OG_MULTIARG_ITEM([oss], [OSS], [Open Sound System])
610 ])
611
612 OG_ARG_WITH([pulseaudio],
613         AS_HELP_STRING([--with-pulseaudio],
614                 [Compile with support for the PulseAudio audio server.
615                 This has been turned off by default because of too many
616                 bugs in recent versions of PA.  Use at your own risk,
617                 YMMV, and all that.]),
618         [no], [NO])
619
620 OG_MULTIARG_WITH([media], [dnl
621         AS_HELP_STRING([--with-media=TYPE],
622                 [Compile with media stream support.])],
623         [auto], [Autodetect all media stream support libraries], [dnl
624         OG_MULTIARG_ITEM([ffmpeg], [FFmpeg], [media streams handled by ffmpeg])
625         OG_MULTIARG_ITEM([internal], [internal], [media streams handled internally])
626         OG_MULTIARG_ITEM([mad], [Mad], [media streams handled by mad])
627         OG_MULTIARG_ITEM([sndfile], [sndfile], [media streams handled by sndfile])
628         OG_MULTIARG_ITEM([sox], [SoX], [media streams handled by sox])
629         OG_MULTIARG_ITEM([magic], [magic], [file/libmagic support])
630 ])
631
632
633 dnl Cryptography Options
634 dnl ====================
635 OG_OPTION_GROUP(Cryptography options)
636
637 OG_ARG_WITH([openssl],
638         AS_HELP_STRING([--with-openssl],
639                 [Compile in experimental support for
640                 OpenSSL libcrypto and libssl.]),
641         [yes], [YES])
642
643 OG_ARG_WITH([gnutls],
644         AS_HELP_STRING([--with-gnutls],
645                 [Compile in experimental support for
646                 GnuTLS transport security.]),
647         [no], [NO])
648
649
650 dnl Networking Options
651 dnl ==================
652 OG_OPTION_GROUP(Networking options)
653
654 OG_ARG_WITH([dnet],
655         AS_HELP_STRING([--with-dnet],
656                 [Compile with support for DECnet.]),
657         [no], [NO])
658
659 OG_ARG_WITH([socks],
660         AS_HELP_STRING([--with-socks],
661                 [Compile with support for SOCKS (an Internet proxy).]),
662         [auto], [Autodetect])
663
664 OG_ARG_WITH([ipv6-cname],
665         AS_HELP_STRING([--with-ipv6-cname],
666                 [Try IPv6 information first when canonicalizing host names.
667                 This option has no effect unless system supports
668                 getaddrinfo(3) and getnameinfo(3).]),
669         [no], [NO])
670
671 OG_ARG_WITH([pop],
672         AS_HELP_STRING([--with-pop],
673                 [Support POP for mail retrieval.]),
674         [no], [NO])
675
676 OG_ARG_WITH([kerberos],
677         AS_HELP_STRING([--with-kerberos],
678                 [Support Kerberos-authenticated POP.]),
679         [no], [NO])
680
681 OG_ARG_WITH([hesiod],
682         AS_HELP_STRING([--with-hesiod],
683                 [Support Hesiod to get the POP server host.]),
684         [no], [NO])
685
686
687 dnl File-related Options
688 dnl ====================
689 OG_OPTION_GROUP(File-related options)
690
691 OG_ARG_WITH([clash-detection],
692         AS_HELP_STRING([--with-clash-detection],
693                 [Use lock files to detect multiple edits
694                 of the same file.]),
695         [no], [NO])
696
697 OG_ARG_WITH([mail-locking],
698         AS_HELP_STRING([--with-mail-locking=TYPE],
699                 [Specify the locking to be used by movemail to prevent
700                 concurrent updates of mail spool files. Valid types
701                 are `lockf'  `flock'  `file'  `locking'  `pop' or `mmdf'.]),
702         [auto], [Autodetect], [lockf flock file locking mmdf pop no])
703
704
705 dnl Internationalisation Options
706 dnl ============================
707 OG_OPTION_GROUP(Internationalisation options)
708
709 OG_ARG_WITH([mule],
710         AS_HELP_STRING([--with-mule],
711                 [Compile with Mule (MUlti-Lingual Emacs) support
712                 needed to support non-Latin-1 (including Asian)
713                 languages.]),
714         [yes], [YES])
715
716 OG_ARG_WITH([canna],
717         AS_HELP_STRING([--with-canna],
718                 [Compile with support for Canna (a Japanese input method
719                 used in conjunction with Mule support).]),
720         [auto], [Autodetect when Mule is enabled])
721
722 OG_ARG_WITH([wnn],
723         AS_HELP_STRING([--with-wnn],
724                 [Compile with support for Wnn (a multi-language input
725                 method used in conjunction with Mule support).]),
726         [auto], [Autodetect when Mule is enabled])
727
728 OG_ARG_WITH([wnn6],
729         AS_HELP_STRING([--with-wnn6],
730                 [Compile with support for the commercial package Wnn6.]),
731         [auto], [Autodetect when Mule is enabled])
732
733
734
735 dnl dnl Other Options
736 dnl dnl =============
737 dnl OG_OPTION_GROUP(Other options)
738 dnl
739
740 ## -------------------------------------------------------------------------
741 ## Check for users who regularly forget about running autoconf
742 ## -------------------------------------------------------------------------
743 if test -f $0.ac -a $0.ac -nt $0; then
744         AC_MSG_ERROR([What are you doing? RUN autoreconf NOW!!!])
745 fi
746
747 #
748 # Turn off core generation. We are already verifying the program fails, no need
749 # poluting the workspace. Of course if you are a SXEmacs developer you may want
750 # to comemnt this on occasion :-)
751 ulimit -c 0
752
753 ## initialise our nestable msg funs
754 SXE_INIT_MSG_LEVEL
755
756 dnl Small snippet to make echo -n work on solaris
757 ECHO_N= ECHO_C=
758 case `echo -n x` in
759 -n*)
760         case `echo 'x\c'` in
761         *c*)
762                 ;;
763         *)
764                 ECHO_C='\c'
765                 ;;
766         esac
767         ;;
768 *)
769         ECHO_N='-n'
770         ;;
771 esac
772
773
774 echo
775 echo "Preparing the build chain"
776 echo "========================="
777
778 ## We should brag about ourselves, no?
779 AC_DEFINE([XEMACS], [1], [Pretend to be an XEmacs])
780 AC_DEFINE([SXEMACS], [1], [Why not? It's the truth!])
781
782 dnl -------------------------------------------------------------------------
783 dnl Command line argument processing.
784 dnl -------------------------------------------------------------------------
785 dnl Check for bogus options
786 dnl -------------------------------------------------------------------------
787 SXE_CHECK_COMMAND_LINE
788
789 AM_INIT_AUTOMAKE([foreign -Wall])
790 SXE_CHECK_BUILDCHAIN
791 AC_SUBST(EGREP)
792
793 progname=$0
794 progbasename=$(basename $progname)
795 progdirname=$(dirname $progname)
796
797 ## Build Options
798 ## =============
799
800 echo
801 echo "Build and System Specific Options"
802 echo "================================="
803
804 SXE_EXPLORE_BUILD_ENVIRONMENT
805
806 dnl ----------------------------------------
807 dnl Find out which version of SXEmacs this is
808 dnl ----------------------------------------
809 AC_CHECK_PROG([have_git], [git], [yes], [no])
810 AC_MSG_CHECKING([for SXEmacs version])
811 AC_MSG_RESULT([SXEmacs SXEM4CS_VERSION])
812 dnl Must do the following first to determine verbosity for AC_DEFINE
813 if test -n "[]SXEM4CS_BETA_P[]"; then
814         beta=yes
815 else
816         beta=no
817 fi
818 : "${extra_verbose=$beta}"
819
820 AC_MSG_CHECKING([for SXEmacs patchlevel])
821 CURDIR=$(pwd)
822 cd "$sxe_srcdir"
823 if test "$have_git" = "yes"; then
824         sxemacs_git_version="$(git describe | head -1)"
825 fi
826 if test -z "$sxemacs_git_version" ; then
827         sxemacs_git_version="[]SXEM4CS_GIT_VERSION[]"
828 fi
829 AC_MSG_RESULT([$sxemacs_git_version])
830 version="$sxemacs_git_version"
831 cd "$CURDIR"
832 main_version="$sxemacs_git_version"
833 AC_DEFINE_UNQUOTED([EMACS_MAJOR_VERSION], [SXEM4CS_MAJOR_VERSION], [Description here!])
834 AC_DEFINE_UNQUOTED([EMACS_MINOR_VERSION], [SXEM4CS_MINOR_VERSION], [Description here!])
835 old_version=[]SXEM4CS_VERSION[]
836 if test -n "[]SXEM4CS_BETA_VERSION[]"; then
837         AC_MSG_CHECKING([if we are a beta version])
838         if test "$beta" = "yes"; then
839                 AC_MSG_RESULT([yes])
840                 AC_DEFINE_UNQUOTED([EMACS_BETA_VERSION], [SXEM4CS_BETA_VERSION],
841                         [Description here!])
842         else
843                 AC_MSG_RESULT([no])
844                 AC_DEFINE_UNQUOTED([EMACS_PATCH_LEVEL], [SXEM4CS_BETA_VERSION],
845                         [Description here!])
846         fi
847 fi
848 AC_DEFINE_UNQUOTED([SXEMACS_CODENAME], ["[]SXEM4CS_CODENAME[]"], [Description here!])
849 AC_DEFINE_UNQUOTED([EMACS_VERSION], ["$version"], [Description here!])
850 AC_DEFINE_UNQUOTED([SXEMACS_GIT_VERSION], ["$sxemacs_git_version"],
851         [Description here!])
852
853 PROGNAME=sxemacs
854
855 AC_DEFINE_UNQUOTED([EMACS_PROGNAME], ["$PROGNAME"], [Description here!])
856
857 ## build stuff in lib-src unconditionally
858 SXE_APPEND([lib-src], [MAKE_SUBDIR])
859 SXE_APPEND([lib-src], [INSTALL_ARCH_DEP_SUBDIR])
860
861 ## C compiler build chain
862 AC_USE_SYSTEM_EXTENSIONS
863 AC_LANG([C])
864 AS_MESSAGE([Let's look for the entire C build chain])
865 SXE_CHECK_CC
866 SXE_CHECK_CFLAGS
867
868 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
869
870 ## check machine chars
871 AS_MESSAGE([Let's have a detailed glance at your machine])
872 SXE_PROC_CPUID
873 SXE_PROC_VENDORID
874 SXE_NPROCESSORS
875 SXE_CHECK_PROC_GOODNESS
876
877
878 ## Debugging Options
879 ## =================
880 ## echo
881 ## echo "Debugging Options"
882 ## echo "================="
883
884 dnl ----------------------------------
885 dnl Error checking and debugging flags
886 dnl ----------------------------------
887 dnl Error checking default to "yes" in beta versions, to "no" in releases.
888 dnl Same goes for --enable-debug and --extra-verbosity.
889 if test "$with_error_checking_extents" = yes; then
890         have_error_checking_extents="yes"
891         AC_DEFINE([ERROR_CHECK_EXTENTS], [1], [Description here!])
892         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
893 fi
894 if test "$with_error_checking_types" = yes; then
895         have_error_checking_types="yes"
896         AC_DEFINE([ERROR_CHECK_TYPECHECK], [1], [Description here!])
897         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)],
898                 [assert (assertion)], [
899                 Make sure that all X... macros are dereferencing the correct type,
900                 and that all XSET... macros (as much as possible) are setting the
901                 correct type of structure.  Highly recommended for all
902                 development work.])
903         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
904 else
905         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)], [], [])
906 fi
907 if test "$with_error_checking_bufpos" = yes; then
908         have_error_checking_bufpos="yes"
909         AC_DEFINE([ERROR_CHECK_BUFPOS], [1], [Description here!])
910         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)],
911                 [assert (assertion)], [dnl
912                 Make sure valid buffer positions are passed to BUF_* macros])
913         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
914 else
915         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)], [], [])
916 fi
917 if test "$with_error_checking_gc" = yes; then
918         have_error_checking_gc="yes"
919         AC_DEFINE([ERROR_CHECK_GC], [1], [Description here!])
920         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)],
921                 [assert (assertion)], [dnl
922                 Attempt to catch bugs related to garbage collection
923                 (e.g. not GCPRO'ing)])
924         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
925 else
926         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)], [], [])
927 fi
928 if test "$with_error_checking_malloc" = yes; then
929         have_error_checking_malloc="yes"
930         AC_DEFINE([ERROR_CHECK_MALLOC], [1], [Description here!])
931         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
932 fi
933 if test "$with_error_checking_byte_code"  = yes; then
934         have_error_checking_byte_code="yes"
935         AC_DEFINE([ERROR_CHECK_BYTE_CODE], [1], [Description here!])
936         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
937 fi
938 if test "$with_error_checking_glyphs" = yes; then
939         have_error_checking_glyphs="yes"
940         AC_DEFINE([ERROR_CHECK_GLYPHS], [1], [Description here!])
941         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
942 fi
943
944 dnl enable_debug=yes must be set when error checking is present.  This should be
945 dnl fixed up.
946 dnl with_debug implies other options
947 if test "${with_debug:=$beta}" = "yes"; then
948         with_memory_usage_stats=yes
949         SXE_ADD_CRUFT_OBJS([debug.o])
950         SXE_ADD_CRUFT_OBJS([tests.o])
951         AC_DEFINE([DEBUG_SXEMACS], [1], [Description here!])
952 fi
953 if test "$with_memory_usage_stats" = "yes"; then
954         AC_DEFINE([MEMORY_USAGE_STATS], [1], [Description here!])
955 fi
956
957
958
959 dnl --------------------------------------------------------------
960 dnl $opsys detection complete; defaults depending on $opsys follow
961 dnl --------------------------------------------------------------
962
963
964 dnl --------------------------------------------------------------
965 dnl WooHoo! pdump is ON always and everywhere! --SY.
966 dnl --------------------------------------------------------------
967 with_pdump=yes
968
969 if test "$with_dynamic" != "no"; then
970         case "$opsys" in
971         hpux* | sunos4* )
972                 with_dynamic=no
973                 ;;
974         *)
975                 with_dynamic=yes
976                 ;;
977         esac
978 fi
979 if test "$with_dynamic" = "yes"; then
980         case "$opsys" in
981         hpux* | sunos4* | sco5 )
982                 opsys="${opsys}-shr"
983                 ;;
984         decosf* )
985                 ld_call_shared="-call_shared"
986                 ;;
987         darwin* )
988                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
989                 if test "x$have_ld_no_pie" != "x"; then
990                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
991                 fi
992                 ;;
993         esac
994 else dnl "$with_dynamic" = "no"
995         case "$opsys" in
996         sol2 )
997                 echo "Static linking is not supported on Solaris 2."
998                 echo "Rerun configure without specifying --without-dynamic."
999                 exit 1
1000                 ;;
1001         linux )
1002                 ld_call_shared="-Bstatic"
1003                 ;;
1004         decosf* )
1005                 ld_call_shared="-non_shared"
1006                 ;;
1007         darwin* )
1008                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1009                 if test "x$have_ld_no_pie" != "x"; then
1010                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1011                 fi
1012                 ;;
1013         esac
1014 fi
1015
1016 dnl Tools configuration
1017 case "$opsys" in
1018 aix* )
1019         NON_GNU_CC=xlc
1020         ;;      dnl Use xlc by default on AIX
1021 darwin )
1022         RANLIB="ranlib -c"
1023         ;;  dnl Avoid link error in lwlib-config.c
1024         ## this needs rework I think because RANLIB is provided by LT_INIT anyway
1025 esac
1026
1027 stack_trace_eye_catcher=\
1028 `echo ${PROGNAME}_${version}_${ac_cv_build} | sed 'y!@/.-!____!'`
1029 AC_DEFINE_UNQUOTED([STACK_TRACE_EYE_CATCHER], [$stack_trace_eye_catcher],
1030         [Just a very looong string to make traces more readable.])
1031
1032 dnl --------------------------------------------------
1033 dnl Determine the compiler, set up for feature testing
1034 dnl --------------------------------------------------
1035
1036 if test "$with_clash_detection" != "no"; then
1037         AC_DEFINE([CLASH_DETECTION], [1], [Description here!])
1038         SXE_ADD_CRUFT_OBJS([filelock.o])
1039 fi
1040
1041
1042 dnl what exactly do we determine here? and where is it used?
1043 dnl dnl Determine GCC version.
1044 dnl if test "$GCC" = "yes"; then
1045 dnl     AC_RUN_IFELSE([AC_LANG_SOURCE([[
1046 dnl int main ()
1047 dnl {
1048 dnl #if __GNUC__ >= 3
1049 dnl     return 11;
1050 dnl #else
1051 dnl     return 0;
1052 dnl #endif
1053 dnl }]])], [:], [dnl
1054 dnl case "$?" in
1055 dnl 11)
1056 dnl     echo "You appear to be using GCC version 3 or above."
1057 dnl     __GCC3=yes
1058 dnl     ;;
1059 dnl esac], [__GCC3=no])
1060 dnl fi
1061
1062 dnl We don't do AC_PROG_CC for SXEMACS_CC; if we can't trust these people....
1063 : ${SXEMACS_CC:="$CC"}
1064
1065 dnl Figure out what C preprocessor to use.
1066
1067 dnl On Sun systems, people sometimes set up the variable CPP
1068 dnl with a value that is a directory, not an executable at all.
1069 dnl Detect that case, and ignore that value.
1070 test -n "$CPP" -a -d "$CPP" && CPP=
1071
1072 test -n "$NON_GNU_CPP" -a "$GCC" != "yes" -a -z "$CPP" && CPP="$NON_GNU_CPP"
1073
1074 dnl --------------------------------------------------------------------
1075 dnl Compiler feature macros
1076 dnl --------------------------------------------------------------------
1077
1078
1079 dnl --------------------------------------------------------------------
1080 dnl Extract some information from the operating system and machine files
1081 dnl --------------------------------------------------------------------
1082
1083 echo "Extracting information from the machine- and system-dependent headers..."
1084
1085 SXE_CHECK_MACHARCH
1086 SXE_EXTRACT_MACHARCH_INFO
1087
1088 dnl s&m files shouldn't be required to define anything, or even to exist.
1089 dnl So we default SYSTEM_TYPE to the obvious documented standard, `uname -s`,
1090 dnl appropriately emacsulated.
1091 if test -z "$system_type"; then
1092         AC_DEFINE_UNQUOTED([SYSTEM_TYPE],
1093                 ["`uname -s | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"],
1094                 [Description here!])
1095 fi
1096
1097 dnl If the s&m files don't define a system-specific dumper, simply use pdump.
1098 dnl Sometime in the future, we'll remove all definitions of UNEXEC
1099 dnl from all the s&m files.
1100 test -z "$unexec" && with_pdump=yes
1101
1102 if test "$with_pdump" = "yes"; then
1103         ordinary_link="yes"
1104         ld="${ordinary_ld}"
1105         start_files=
1106         libs_standard=
1107         unexec=
1108         lib_gcc=
1109 fi
1110
1111 dnl dnl For debugging...
1112 dnl SXE_PRINT_VAR([libs_machine libs_system libs_termcap libs_standard
1113 dnl     objects_machine objects_system c_switch_machine c_switch_system
1114 dnl     ld_switch_machine ld_switch_system unexec ld_switch_shared
1115 dnl     ld lib_gcc ld_text_start_addr start_files ordinary_link
1116 dnl     have_terminfo mail_use_flock mail_use_lockf]) && echo ""
1117
1118 dnl bitch at build attempt on win32 machines
1119 case "$opsys" in mingw* | cygwin*)
1120         SXE_DIE("Invalid operation system. Cannot build on win32 machines.")
1121 esac
1122
1123 dnl Non-ordinary link usually requires -lc
1124 test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
1125
1126 ## perform compiler specific things
1127 SXE_DO_CC_HACKS
1128 ## machine specific extensions
1129 SXE_CHECK_SIMD_EXTENSIONS
1130
1131 ## some linker flags that might come in handy
1132 SXE_CHECK_LDFLAGS
1133
1134 ## suffices to be defined late, for instance here
1135 SXE_CHECK_PARSER_LEXER
1136
1137 if test "$with_pdump" != "yes"; then
1138         ## GNU ld now defaults to combreloc, which screws up unexec,
1139         ## but not pdump.
1140         ## Note that it's OK if the GNU style long option causes
1141         ## non-GNU ld to barf a usage message, that's often good
1142         ## enough.  Please report it, though.
1143         ## #### Should make this Solaris-friendly.
1144         ## Link with -z nocombreloc for now.
1145         SXE_CHECK_LD_ZFLAG([nocombreloc])
1146         if test "$sxe_cv_ld__z_nocombreloc" = "yes"; then
1147                 SXE_PREPEND_LINKER_FLAG([-z nocombreloc], [ld_switch_site])
1148         fi
1149 fi
1150
1151 dnl Inform compiler that certain flags are meant for the linker
1152 SXE_PROTECT_LINKER_FLAGS(ld_switch_system)
1153 SXE_PROTECT_LINKER_FLAGS(ld_switch_machine)
1154 SXE_PROTECT_LINKER_FLAGS(ld_switch_site)
1155 SXE_PROTECT_LINKER_FLAGS(LDFLAGS)
1156 SXE_PROTECT_LINKER_FLAGS(ld_call_shared)
1157
1158 dnl Add s&m-determined objects to link line
1159 test -n "$objects_machine" && SXE_ADD_CORE_OBJS($objects_machine)
1160 test -n "$objects_system"  && SXE_ADD_CORE_OBJS($objects_system)
1161 test "$with_pdump" = "yes" && SXE_ADD_CORE_OBJS(dumper.o)
1162
1163
1164 dnl Feed s&m crud to src/Makefile
1165
1166 dnl Linux/powerpc needs the following magic for some reason
1167 dnl [Not needed with YellowDog 2.3 and causes link problems with YellowDog 3.0,
1168 dnl the two most popular PowerPC distributions.]
1169 dnl test "$machine$opsys" = "powerpclinux" && start_flags="-T $sxe_srcdir/src/ppc.ldscript"
1170
1171 AC_LANG(C)
1172 if test "$unexec" = "unexaix.o"; then
1173 dnl AIX needs various hacks to make static linking work.
1174   if   test "$with_dynamic" = "no"; then
1175   start_flags="-Wl,-bnso,-bnodelcsect"
1176   test "$GCC" = "yes" && start_flags="-B/bin/ ${start_flags}"
1177   for f in "/lib/syscalls.exp" "/lib/threads.exp"; do
1178     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; fi
1179   done
1180   for f in "/usr/lpp/X11/bin/smt.exp" "/usr/bin/X11/smt.exp"; do
1181     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; break; fi
1182   done
1183   AC_CHECK_LIB([c], [terminateAndUnload], [SXE_APPEND(-lC, libs_system)])
1184   fi
1185 elif test -n "$ld_text_start_addr"; then
1186   start_flags="-T $ld_text_start_addr -e __start"
1187 fi
1188 AC_SUBST(start_flags)
1189
1190 AC_SUBST(ld_switch_shared)
1191 AC_SUBST(start_files)
1192 if test "$ordinary_link" = "no" -a "$GCC" = "yes"; then
1193         if test -z "$linker"; then
1194                 linker='$(CC) -nostdlib'
1195                 SXE_APPEND([-nostdlib], [start_flags])
1196         fi
1197         test -z "$lib_gcc" && lib_gcc='`$(CC) -print-libgcc-file-name`'
1198 fi
1199 test "$GCC" != "yes" && lib_gcc=
1200 AC_SUBST(ld)
1201 AC_SUBST(lib_gcc)
1202
1203
1204
1205 ## ---------------------------------------------------------------
1206 ## Add site and system specific flags to compile and link commands
1207 ## ---------------------------------------------------------------
1208
1209 ## compute those site prefixes
1210 SXE_COMPUTE_SITE_PREFIXES
1211 ## compute a LD_RUN_PATH
1212 SXE_COMPUTE_LD_RUN_PATH
1213
1214
1215 ## some header checks
1216 SXE_CHECK_BASIC_HEADERS
1217 ## the very basic c types
1218 SXE_CHECK_BASIC_TYPES
1219
1220 ## for signalling
1221 SXE_CHECK_SIGNALS
1222
1223 AC_CHECK_MEMBERS([struct stat.st_rdev])
1224 AC_CHECK_TYPES([ptrdiff_t])
1225
1226 ## check whether intptr_t is definied in sys/types.h
1227 SXE_CHECK_INTPTR_T
1228
1229 dnl -lm is required for floating point support, among other things
1230 AC_CHECK_FUNC([sin], [], [AC_CHECK_LIB([m], [sin])])
1231
1232
1233 dnl check for Make feature
1234 AC_PROG_MAKE_SET
1235
1236
1237 dnl check for long file names
1238 AC_SYS_LONG_FILE_NAMES
1239 AC_SYS_LARGEFILE
1240 AC_SYS_INTERPRETER
1241 AC_SYS_POSIX_TERMIOS
1242
1243 AC_FUNC_MALLOC
1244 AC_FUNC_MKTIME
1245
1246 dnl See if mkstemp is available
1247 AC_CHECK_FUNCS([mkstemp])
1248
1249 SXE_CHECK_FILE_LOCK
1250
1251 case "$opsys" in decosf*)
1252         AC_CHECK_LIB([pthreads], [cma_open])
1253         if test "$ac_cv_lib_pthreads_cma_open" = "yes"; then
1254                 c_switch_site="$c_switch_site -threads"
1255         fi
1256         ;;
1257 esac
1258
1259
1260 dnl ----------------------------------------------------------------
1261 dnl Miscellaneous flags
1262 dnl ----------------------------------------------------------------
1263
1264 AC_MSG_CHECKING(whether the -xildoff compiler flag is required)
1265 if   ${CC-cc} '-###' -xildon  no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ; then
1266   if ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
1267     then AC_MSG_RESULT(no);
1268     else AC_MSG_RESULT(yes); SXE_APPEND_UNDUP(-xildoff, ld_switch_site)
1269   fi
1270   else AC_MSG_RESULT(no)
1271 fi
1272
1273 dnl Link with "-z ignore" on Solaris if supported
1274 if test "$opsys" = "sol2"; then
1275   if test "$os_release" -ge 506; then
1276     AC_MSG_CHECKING(for "-z ignore" linker flag)
1277     case "`ld -h 2>&1`" in
1278       *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
1279         SXE_PREPEND_UNDUP(-z ignore, ld_switch_site) ;;
1280       *) AC_MSG_RESULT(no) ;;
1281     esac
1282   fi
1283 fi
1284
1285 dnl ----------------------------------------------------------------
1286 dnl Check for Unixoid pty/process support.
1287 dnl ----------------------------------------------------------------
1288
1289 dnl There is no "standard" pty allocation method.  Every system is different.
1290 dnl  getpt()  is the preferred pty allocation method on glibc systems.
1291 dnl _getpty() is the preferred pty allocation method on SGI systems.
1292 dnl grantpt(), unlockpt(), ptsname() are defined by Unix98.
1293 AC_CHECK_FUNCS([getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp])
1294
1295 dnl openpty() is the preferred pty allocation method on BSD and Tru64 systems.
1296 dnl openpty() might be declared in:
1297 dnl - pty.h (Tru64 or Linux)
1298 dnl - libutil.h (FreeBSD)
1299 dnl - util.h (NetBSD)
1300 AC_CHECK_FUNC(openpty, have_openpty=yes, [
1301   AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
1302 if test "$have_openpty" = "yes"; then
1303   AC_DEFINE([HAVE_OPENPTY], [1], [Description here!])
1304   AC_CHECK_HEADERS(libutil.h util.h, break)
1305   test "$need_libutil" = "yes" && SXE_APPEND(-lutil, libs_system)
1306 fi
1307
1308 dnl Check for system-specific pty header files
1309 dnl Often the TIOCSIG* symbols are hiding there.
1310 case "$opsys" in
1311   dnl HPUX pty.h #defines TRUE and FALSE, so just use ptyio.h there.
1312   hpux*) AC_CHECK_HEADERS(sys/ptyio.h) ;;
1313   *) AC_CHECK_HEADERS(pty.h)
1314      test "$ac_cv_header_pty_h" = "no" && AC_CHECK_HEADERS(sys/pty.h)
1315      ;;
1316 esac
1317
1318 dnl Check for STREAM support functions.
1319 dnl Confusingly, "str" means both "string" and "SysV Streams".
1320 AC_CHECK_HEADERS(stropts.h)
1321 if test "$ac_cv_header_stropts_h" = "yes"; then
1322   AC_CHECK_FUNCS(isastream)
1323   AC_CHECK_HEADERS(strtio.h) dnl TIOCSIGNAL
1324 fi
1325
1326 dnl Check whether the system provides getloadavg().
1327 AC_CHECK_FUNCS(getloadavg)
1328
1329 if test "$ac_cv_func_getloadavg" = "yes"; then
1330   dnl Solaris 8 declares getloadavg() in <sys/loadavg.h>.
1331   dnl glibc 2.2 declares getloadavg() in <stdlib.h>...
1332   dnl   ...if we #define _GNU_SOURCE, which we do.
1333   AC_CHECK_HEADERS(sys/loadavg.h)
1334 else
1335   dnl We define our own getloadavg() using lower level functions.
1336   SXE_ADD_CRUFT_OBJS([getloadavg.o])
1337
1338   dnl Used by getloadavg() - does not require root priveleges
1339   AC_CHECK_LIB(kstat, kstat_open)
1340   AC_CHECK_HEADERS(kstat.h)
1341
1342   dnl Another way to get the load average
1343   AC_CHECK_LIB(kvm, kvm_read)
1344 fi
1345
1346 dnl If netdb.h does not declare h_errno, we must declare it by hand.
1347 AC_MSG_CHECKING(whether netdb declares h_errno)
1348 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
1349   [[return h_errno;]])],
1350   [AC_MSG_RESULT(yes)
1351    AC_DEFINE([HAVE_H_ERRNO], [1], [Description here!])],
1352   [AC_MSG_RESULT(no)])
1353
1354 AC_MSG_CHECKING([for sigsetjmp])
1355 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1356 #include <setjmp.h>
1357         ]], [[
1358 sigjmp_buf bar;
1359 sigsetjmp (bar, 0);
1360         ]])],
1361         [sxe_cv_c_func_sigsetjmp="yes"],
1362         [sxe_cv_c_func_sigsetjmp="no"])
1363 AC_MSG_RESULT([$sxe_cv_c_func_sigsetjmp])
1364 if test "$sxe_cv_c_func_sigsetjmp" = "yes"; then
1365         AC_DEFINE([HAVE_SIGSETJMP], [1], [Description here!])
1366         AC_DEFINE_UNQUOTED([SETJMP(x)], [sigsetjmp (x, 0)], [dnl
1367                 We want to avoid saving the signal mask if possible, because
1368                 that necessitates a system call.])
1369         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [siglongjmp(x, y)], [dnl
1370                 Description here!])
1371         AC_DEFINE_UNQUOTED([JMP_BUF], [sigjmp_buf], [dnl
1372                 Description here!])
1373 else
1374         AC_DEFINE_UNQUOTED([SETJMP(x)], [setjmp(x)], [dnl
1375                 We want to avoid saving the signal mask if possible, because
1376                 that necessitates a system call.])
1377         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [longjmp(x, y)], [Description here!])
1378         AC_DEFINE_UNQUOTED([JMP_BUF], [jmp_buf], [Description here!])
1379 fi
1380
1381
1382 AC_MSG_CHECKING(whether localtime caches TZ)
1383 AC_CACHE_VAL(emacs_cv_localtime_cache,
1384 [if test "$ac_cv_func_tzset" = "yes"; then
1385 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
1386 #if STDC_HEADERS
1387 # include <stdlib.h>
1388 #endif
1389 extern char **environ;
1390 unset_TZ ()
1391 {
1392   char **from, **to;
1393   for (to = from = environ; (*to = *from); from++)
1394     if (! (to[[0]][[0]] == 'T' && to[[0]][[1]] == 'Z' && to[[0]][[2]] == '='))
1395       to++;
1396 }
1397 char TZ_GMT0[[]] = "TZ=GMT0";
1398 char TZ_PST8[[]] = "TZ=PST8";
1399 main()
1400 {
1401   time_t now = time ((time_t *) 0);
1402   int hour_GMT0, hour_unset;
1403   if (putenv (TZ_GMT0) != 0)
1404     exit (1);
1405   hour_GMT0 = localtime (&now)->tm_hour;
1406   unset_TZ ();
1407   hour_unset = localtime (&now)->tm_hour;
1408   if (putenv (TZ_PST8) != 0)
1409     exit (1);
1410   if (localtime (&now)->tm_hour == hour_GMT0)
1411     exit (1);
1412   unset_TZ ();
1413   if (localtime (&now)->tm_hour != hour_unset)
1414     exit (1);
1415   exit (0);
1416 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1417 [# If we have tzset, assume the worst when cross-compiling.
1418 emacs_cv_localtime_cache=yes])
1419 else
1420         # If we lack tzset, report that localtime does not cache TZ,
1421         # since we can't invalidate the cache if we don't have tzset.
1422         emacs_cv_localtime_cache=no
1423 fi],[:])dnl
1424 AC_MSG_RESULT($emacs_cv_localtime_cache)
1425 if test $emacs_cv_localtime_cache = yes; then
1426   AC_DEFINE([LOCALTIME_CACHE], [1], [Description here!])
1427 fi
1428
1429
1430 need_alloca_c=no
1431 dnl HP-UX has a working alloca in libPW.
1432 dnl case "${GCC}${opsys}" in hpux* )
1433 dnl  AC_CHECK_FUNC(alloca, [:], [AC_CHECK_LIB(PW, alloca)])
1434 dnl esac
1435
1436 dnl AC_FUNC_ALLOCA doesn't know about DEC C's #pragma intrinsic(alloca)
1437 if test "$__DECC" != "yes"; then
1438         AC_FUNC_ALLOCA
1439         if test -n "$ALLOCA"; then
1440                 SXE_ADD_CRUFT_OBJS([$ALLOCA])
1441                 need_alloca_c=yes
1442         fi
1443 fi
1444
1445 AC_MSG_CHECKING(for working alloca in function calls)
1446 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1447 #if defined (__GNUC__)
1448 #define alloca __builtin_alloca
1449 #elif defined (__DECC)
1450 #include <alloca.h>
1451 #pragma intrinsic(alloca)
1452 #elif defined (HAVE_ALLOCA_H)
1453 #include <alloca.h>
1454 #elif defined (_AIX)
1455 #pragma alloca
1456 #elif ! defined (alloca)
1457 #ifdef C_ALLOCA
1458 #define alloca xemacs_c_alloca
1459 #else
1460 void *alloca ();
1461 #endif /* C_ALLOCA */
1462 #endif /* !defined (alloca) */
1463
1464 void
1465 f1 (double a, void *ptr, int b)
1466 {
1467   unsigned char *ptr2 = (unsigned char *) ptr;
1468   if (ptr2[[0]] != 0xBF || ptr2[[1]] != 0xBF || ptr2[[3000]] != 0xBF)
1469     exit (1);
1470   if (a != 3.1415 || b != -5490)
1471     exit (1);
1472 }
1473
1474 int
1475 f2 (short c, void *ptr, long e)
1476 {
1477   unsigned char *ptr2 = (unsigned char *) ptr;
1478   if (ptr2[[0]] != 0xFB || ptr2[[1]] != 0xFB || ptr2[[1000]] != 0xFB)
1479     exit (1);
1480   if (c != 665 || e != 776776776)
1481     exit (1);
1482   f1 (3.1415, memset (alloca (3001), 0xBF, 3001), -5490);
1483   return 42;
1484 }
1485
1486 int
1487 main (int argc, char *argv[])
1488 {
1489   if (f2 (665, memset (alloca (1001), 0xFB, 1001), 776776776) != 42)
1490     return 1;
1491   return 0;
1492 }
1493 ]])], working_alloca_in_function_calls=yes, working_alloca_in_function_calls=no,
1494 working_alloca_in_function_calls=no)
1495 AC_MSG_RESULT($working_alloca_in_function_calls)
1496 test "$working_alloca_in_function_calls" != "yes" && \
1497   AC_DEFINE([BROKEN_ALLOCA_IN_FUNCTION_CALLS], [1], [Description here!])
1498
1499 AM_CONDITIONAL([NEED_ALLOCA_C], [
1500         test "$working_alloca_in_function_calls" = "yes" && \
1501         test "$need_alloca_c" = "yes"])
1502
1503 dnl Check whether strcoll exists and works correctly. (This does more
1504 dnl than just check for its existence.) If so, it defines HAVE_STRCOLL.
1505 AC_FUNC_STRCOLL
1506
1507 dnl If `getpgrp' takes no argument (the POSIX.1 version), define
1508 dnl `GETPGRP_VOID'.  Otherwise, it is the BSD version, which takes a
1509 dnl process ID as an argument.
1510 AC_CHECK_FUNCS(getpgrp)
1511 AC_FUNC_GETPGRP
1512
1513 dnl We used to call AC_FUNC_MMAP here
1514 dnl Instead we now use following, suggested by Neal Becker
1515 AC_MSG_CHECKING(for working mmap)
1516 case "$opsys" in ultrix* ) have_mmap=no ;; *)
1517 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1518 #include <unistd.h>
1519 #include <fcntl.h>
1520 #include <sys/mman.h>
1521
1522 #ifndef MAP_VARIABLE
1523 #define MAP_VARIABLE 0
1524 #endif
1525
1526 #ifndef MAP_FAILED
1527 #define MAP_FAILED -1
1528 #endif
1529
1530 int main (int argc, char *argv[])
1531 {
1532   int fd = -1;
1533   caddr_t p;
1534 #ifndef MAP_ANONYMOUS
1535   fd = open ("/dev/zero", O_RDWR);
1536   if (fd < 0)
1537     return 1;
1538 #define MAP_ANONYMOUS 0
1539 #endif
1540   if (mmap(0, 1024, PROT_READ | PROT_WRITE,
1541            MAP_PRIVATE | MAP_VARIABLE | MAP_ANONYMOUS,
1542            fd, 0) != (void *) MAP_FAILED)
1543     return 0;
1544   perror ("conftest: mmap failed");
1545   return 1;
1546 }]])], have_mmap=yes, have_mmap=no, have_mmap=no) ;;
1547 esac
1548 AC_MSG_RESULT($have_mmap)
1549 test "$have_mmap" = "yes" && AC_DEFINE([HAVE_MMAP], [1], [Description here!])
1550
1551 dnl rel_alloc requires either GNU malloc or system malloc with mmap
1552 dnl We only turn rel_alloc on by default if mmap is available.
1553 test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && with_rel_alloc=no
1554 if test "$with_rel_alloc $have_mmap" = "default yes"; then
1555         if test "$doug_lea_malloc" = "yes"; then
1556                 dnl Check if malloc() calls mmap(), making rel_alloc pointless.
1557                 AC_MSG_CHECKING(for M_MMAP_THRESHOLD)
1558                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],[[
1559 #ifndef M_MMAP_THRESHOLD
1560 #error No M_MMAP_THRESHOLD :-(
1561 !@+$%^&*_)(_ - unlikely to compile...
1562 #endif
1563                         ]])], [
1564                         with_rel_alloc=no
1565                         AC_MSG_RESULT(yes)], [
1566                         with_rel_alloc=yes
1567                         AC_MSG_RESULT(no)])
1568         else
1569                 with_rel_alloc=yes
1570         fi
1571 fi
1572 if test "$with_rel_alloc" = "yes"; then
1573         AC_DEFINE([REL_ALLOC], [1], [Description here!])
1574         SXE_ADD_MEMALLOC_OBJS(ralloc.o)
1575 fi
1576
1577 dnl Check for tests/rminal I/O variants
1578 dnl TERMIOS systems may have termio.h, but not vice-versa, I think.
1579 AC_CHECK_HEADER(termios.h,
1580   AC_DEFINE([HAVE_TERMIOS], [1], [Description here!])
1581   AC_DEFINE([SIGNALS_VIA_CHARACTERS], [1], [Description here!])
1582   AC_DEFINE([NO_TERMIO], [1], [Description here!]),
1583   [AC_CHECK_HEADER(termio.h, [AC_DEFINE([HAVE_TERMIO], [1], [Description here!])])])
1584
1585
1586 dnl Check for directory variants
1587 AC_CHECK_HEADER(dirent.h, [AC_DEFINE([SYSV_SYSTEM_DIR], [1], [Description here!])],
1588   [AC_CHECK_HEADER(sys/dir.h, , [AC_DEFINE([NONSYSTEM_DIR_LIBRARY], [1], [Description here!])])])
1589
1590 dnl check for readdir64_r (the reentrant version of readdir64)
1591 AC_CHECK_FUNC(readdir64_r, [AC_DEFINE([HAVE_LARGEFILE], [1], [Description here!])])
1592
1593 dnl Check for nlist.h
1594 AC_CHECK_HEADER([nlist.h], [AC_DEFINE([NLIST_STRUCT], [1], [Description here!])], [])
1595
1596 dnl firstly check for pthread support so that we can use the
1597 dnl asynchronous playing routines
1598
1599 dnl special pthread handling
1600 dnl AIX uses pthreads instead of pthread, and HP/UX uses cma
1601 dnl FreeBSD uses -pthread
1602 AC_CHECK_LIB(pthread, pthread_create)
1603 if test "${ac_cv_lib_pthread_pthread_create}" = "yes"; then
1604         have_threads=yes
1605
1606         SXE_CHECK_COMPILER_FLAGS([-pthreads])
1607         SXE_CHECK_COMPILER_FLAGS([-pthread])
1608         if test "${sxe_cv_c_flags__pthreads}" = "yes"; then
1609                 SXE_PREPEND_UNDUP([-pthreads], [c_switch_site])
1610         fi
1611         if test "${sxe_cv_c_flags__pthread}" = "yes"; then
1612                 SXE_PREPEND_UNDUP([-pthread], [c_switch_site])
1613         fi
1614         SXE_PREPEND([-lpthread], [MM_LIBS])
1615 fi
1616
1617 dnl test for AIX pthreads
1618 AC_CHECK_LIB(pthreads, pthread_create)
1619 if test $ac_cv_lib_pthreads_pthread_create = yes; then
1620   have_threads=yes
1621   SXE_PREPEND(-lpthreads, MM_LIBS)
1622 fi
1623
1624 dnl test for HPUX cma threads.
1625 AC_CHECK_LIB(cma, pthread_create)
1626 if test $ac_cv_lib_cma_pthread_create = yes; then
1627   have_threads=yes
1628   SXE_PREPEND(-lcma, MM_LIBS)
1629 fi
1630
1631 dnl FreeBSD -pthread check
1632 AC_DEFUN([AC_PTHREAD_FREEBSD],
1633 [AC_MSG_CHECKING([if we need -pthread for threads])
1634 AC_CACHE_VAL(ac_cv_ldflag_pthread,
1635         [ac_save_ld_switch_site="$ld_switch_site"
1636         ld_switch_site="-pthread $ld_switch_site"
1637         AC_LINK_IFELSE([AC_LANG_PROGRAM([[char pthread_create();]],
1638         [[char pthread_create();]])],
1639         eval "ac_cv_ldflag_pthread=yes",
1640         eval "ac_cv_ldflag_pthread=no"),
1641         ld_switch_site="$ac_save_ld_switch_site"
1642 ])
1643 if eval "test \"`echo $ac_cv_ldflag_pthread`\" = yes"; then
1644         AC_MSG_RESULT(yes)
1645         have_threads=yes
1646         SXE_PREPEND_UNDUP("-pthread", ld_switch_site)
1647         SXE_PREPEND_UNDUP("-D_THREAD_SAFE", c_switch_site)
1648 else
1649         AC_MSG_RESULT(no)
1650 fi])
1651
1652 dnl If all other thread tests fail, try BSD's -pthread
1653 if test "$have_threads" != yes; then
1654   AC_PTHREAD_FREEBSD
1655 fi
1656
1657 if test "$have_threads" = yes; then
1658   AC_DEFINE([HAVE_THREADS], [1], [Description here!])
1659 fi
1660
1661
1662 ## Internal Options
1663 ## ================
1664
1665 echo
1666 echo "Internal Options"
1667 echo "================"
1668
1669 SXE_CHECK_LIBTOOL
1670 SXE_CHECK_LIBLTDL
1671
1672 dnl ----------------------------------------------------------------
1673 dnl Check for POSIX functions.
1674 dnl ----------------------------------------------------------------
1675
1676 SXE_CHECK_BASIC_FUNS
1677 AC_CHECK_FUNCS([alarm cbrt closedir dup2 eaccess endpwent floor fmod fpathconf frexp fsync ftime ftruncate getaddrinfo getcwd gethostbyname gethostname getnameinfo getpagesize getrlimit gettimeofday getwd isascii link logb lrand48 matherr memchr memmove memset mkdir mktime munmap perror poll pow putenv random re_comp readlink regcomp rename res_init rint rmdir select setitimer setlocale setpgid setsid sigblock sighold sigprocmask snprintf socket sqrt stpcpy strcasecmp strchr strdup strerror strlwr strrchr strspn strtol strupr symlink tzset ulimit umask uname usleep utime vlimit vsnprintf waitpid wcscmp wcslen])
1678
1679
1680 ## combines all these time structures and funs
1681 SXE_CHECK_METRONOME
1682 SXE_CHECK_SUFFICIENCY([metronome], [metronome])
1683
1684 ## check for a sane dirname/realpath
1685 SXE_CHECK_DIRNAME
1686 SXE_CHECK_REALPATH
1687
1688 dnl -----------------------------------
1689 dnl Do some misc autoconf-special tests
1690 dnl -----------------------------------
1691
1692 dnl Do the opsystem or machine files prohibit the use of the GNU malloc?
1693 dnl Assume not, until told otherwise.
1694 GNU_MALLOC=yes
1695 if test "$with_dlmalloc" != "no"; then
1696         doug_lea_malloc=yes
1697 else
1698         doug_lea_malloc=no
1699 fi
1700 after_morecore_hook_exists=yes
1701 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1702 AC_MSG_CHECKING(whether __after_morecore_hook exists)
1703 AC_LINK_IFELSE([AC_LANG_SOURCE([[extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0]])],
1704   [AC_MSG_RESULT(yes)],
1705   [AC_MSG_RESULT(no)
1706    after_morecore_hook_exists=no])
1707 if test "$system_malloc" = "yes" ; then
1708   GNU_MALLOC=no
1709   GNU_MALLOC_reason="
1710     - The GNU allocators don't work with this system configuration."
1711 elif test "$with_system_malloc" = "yes" ; then
1712   GNU_MALLOC=no
1713   GNU_MALLOC_reason="
1714     - User chose not to use GNU allocators."
1715 elif test "$with_debug_malloc" = "yes" ; then
1716   GNU_MALLOC=no
1717   GNU_MALLOC_reason="
1718     - User chose to use Debugging Malloc."
1719 fi
1720
1721 if test "$doug_lea_malloc" = "yes" -a "$GNU_MALLOC" = "yes" ; then
1722         GNU_MALLOC_reason="
1723     - Using Doug Lea's new malloc from the GNU C Library."
1724         AC_DEFINE([DOUG_LEA_MALLOC], [1], [Description here!])
1725         if test "$after_morecore_hook_exists" = "no" ; then
1726                 GNU_MALLOC_reason="
1727     - Using Doug Lea's new malloc from the Linux C Library."
1728         AC_DEFINE([_NO_MALLOC_WARNING_], [1], [Description here!])
1729         fi
1730 fi
1731 AM_CONDITIONAL([USE_MEMALLOC], [test -n "${libmemalloc_objs}"])
1732
1733 dnl #### mcheck is broken in all versions of Linux libc and glibc.
1734 dnl Try this again when 2.1 hits the streets.
1735 dnl Avoid using free-hook.c if support exists for malloc debugging in libc
1736 have_libmcheck=no
1737 if test "$with_error_checking_malloc" = "yes" -a \
1738    "$have_glibc" = "yes" -a \
1739    "$doug_lea_malloc" = "yes"; then
1740         AC_CHECK_HEADERS(mcheck.h)
1741         AC_CHECK_LIB(mcheck, mcheck, [have_libmcheck=yes], [have_libmcheck=no])
1742 fi
1743
1744 if test "$with_module_support" != "no"; then
1745         AS_MESSAGE([checking for module support])
1746         if test "$sxe_cv_feat_libltdl" = "yes"; then
1747                 have_module_support="yes"
1748                 with_module_support="yes"
1749                 SXE_ADD_CRUFT_OBJS([emodules-ng.o])
1750                 AC_DEFINE([HAVE_EMODULES], [1], [Whether emods would be available])
1751                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1752         else
1753                 have_module_support="no"
1754                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1755         fi
1756 fi
1757
1758 AM_CONDITIONAL([DESCEND_MODULES],
1759         [test "$with_module_support $have_module_support" = "yes yes"])
1760 if test "$with_module_support $have_module_support" = "yes"; then
1761         SXE_APPEND([src], [MAKE_SUBDIR])
1762         SXE_APPEND([src], [INSTALL_ARCH_DEP_SUBDIR])
1763         SXE_APPEND([modules], [MAKE_AM_SUBDIR])
1764         SXE_APPEND([modules], [SRC_SUBDIR_DEPS])
1765 dnl else
1766 dnl     MOD_CC="$SXEMACS_CC"
1767 dnl     MODCFLAGS="\$(SXE_CFLAGS) -I../../src -I\$(sxe_srcdir)/../../src"
1768 dnl     INSTALLPATH=""
1769 dnl     MOD_INSTALL_PROGRAM="true"
1770 dnl     OBJECT_TO_BUILD="\$(MODNAME).o"
1771 fi
1772
1773 if test "$opsys" != "darwin"; then
1774
1775         if test "$with_modules_ase" = "yes"; then
1776                 have_modules_ase=yes
1777         fi
1778         if test "$with_static_modules_ase" = "yes"; then
1779                 have_static_modules_ase=yes
1780         fi
1781 fi
1782 SXE_EMOD_STATMOD([ase])
1783 if test "$opsys" != "darwin"; then
1784         have_ase_cart="yes"
1785         have_ase_dig="yes"
1786         have_ase_intv="yes"
1787         have_ase_metric="yes"
1788         have_ase_nbhood="yes"
1789         have_ase_perm="yes"
1790         have_ase_resclass="yes"
1791 fi
1792 if test "$have_bison" = "yes"; then
1793         if test "$with_modules_cl" = "yes" ; then
1794                 have_modules_cl="yes"
1795         fi
1796         if test "$with_static_modules_cl" = "yes"; then
1797                 have_static_modules_cl="yes"
1798         fi
1799 else
1800         if test "$with_modules_cl" = "yes" -o "$with_static_modules_cl" = "yes"; then
1801                 AC_MSG_WARN([Sorry no bison means no cl module for you.])
1802         fi
1803 fi
1804 SXE_EMOD_STATMOD([cl])
1805
1806 AM_CONDITIONAL([AUTARKIC], [test "0" = "1"])
1807 MODARCHDIR=
1808 MAKE_DOCFILE="$sxe_blddir/lib-src/make-docfile"
1809 ELLMAKEDOC=$MAKE_DOCFILE
1810 ELLCC=$MOD_CC
1811 AC_SUBST(ELLCC)
1812 AC_SUBST(ELLMAKEDOC)
1813 AC_SUBST(with_modules, $with_modules)
1814 AC_SUBST(MOD_CC)
1815 AC_SUBST(MODARCHDIR)
1816 AC_SUBST(MAKE_DOCFILE)
1817 AC_SUBST(MODCFLAGS)
1818 AC_SUBST(INSTALLPATH)
1819 AC_SUBST(MOD_INSTALL_PROGRAM)
1820 AC_SUBST(OBJECT_TO_BUILD)
1821 SXE_SUBST_STATMOD_A
1822
1823 ## FFI support
1824 SXE_CHECK_FFI
1825 SXE_CHECK_SUFFICIENCY([ffi], [FFI support], [
1826         ## additional actions
1827         AC_DEFINE([HAVE_LIBFFI], [1], [Description here!])
1828         HAVE_LIBFFI=yes
1829         FFI_LIBS="-lffi"
1830         SXE_ADD_CRUFT_OBJS([effi.o])
1831 ])
1832
1833 ## ENT support
1834 SXE_CHECK_ENT
1835
1836 ## check for pseudo gaussian numbers
1837 AC_MSG_CHECKING([for pseug (gaussian numbers)])
1838 if test "$sxe_cv_feat_gmp" = "yes"; then
1839         ## the good case
1840         AC_DEFINE([HAVE_PSEUG], [1], [Whether we COULD do gaussian numbers!])
1841         sxe_cv_feat_pseug="yes"
1842 else
1843         sxe_cv_feat_pseug="no"
1844 fi
1845 AC_MSG_RESULT([$sxe_cv_feat_pseug])
1846
1847 ## check for pseudo complex numbers
1848 AC_MSG_CHECKING([for pseuc (pseudo complex numbers)])
1849 if test "$sxe_cv_feat_mpfr" = "yes"; then
1850         ## the good case
1851         AC_DEFINE([HAVE_PSEUC], [1], [Whether we COULD do complex numbers!])
1852         sxe_cv_feat_pseuc="yes"
1853 else
1854         sxe_cv_feat_pseuc="no"
1855 fi
1856 AC_MSG_RESULT([$sxe_cv_feat_pseuc])
1857
1858 ## check for pseudo quaternions
1859 AC_MSG_CHECKING([for quatern (quaternion numbers)])
1860 if test "$sxe_cv_feat_gmp" = "yes"; then
1861         ## the good case
1862         AC_DEFINE([HAVE_QUATERN], [1], [Whether we COULD do quaternions!])
1863         sxe_cv_feat_quatern="yes"
1864 else
1865         sxe_cv_feat_quatern="no"
1866 fi
1867 AC_MSG_RESULT([$sxe_cv_feat_quatern])
1868
1869
1870 ## go through what the PH^Wuser has specified
1871 ## it's a wee bit more complex, so let's go for it
1872 ## we use a dijkstra-if
1873 ent_dijkstra="$with_ent_gmp $sxe_cv_feat_gmp"
1874 if test "$ent_dijkstra" = "yes yes"; then
1875         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1876         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1877         SXE_ADD_ENT_OBJS([ent-gmp.o])
1878         have_ent_gmp="yes"
1879 elif test "$ent_dijkstra" = "yes no"; then
1880         ## pity, we wanted GMP but we dont have it
1881         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1882         have_ent_gmp="no"
1883 elif test "$ent_dijkstra" = "no yes"; then
1884         ## we didn't want GMP but we have it
1885         ## do nothing in that case
1886         have_ent_gmp="no"
1887 elif test "$ent_dijkstra" = "no no"; then
1888         ## great, we didnt opt for GMP and we're lucky, it's not there either
1889         have_ent_gmp="no"
1890 fi
1891
1892 ## evaluate mpfr results
1893 ent_dijkstra="$with_ent_mpfr $sxe_cv_feat_mpfr"
1894 if test "$ent_dijkstra" = "yes yes"; then
1895         ## the good case
1896         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1897         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1898         SXE_ADD_ENT_OBJS([ent-mpfr.o])
1899         have_ent_mpfr="yes"
1900 elif test "$ent_dijkstra" = "yes no"; then
1901         ## we want but can't have
1902         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1903         have_ent_mpfr="no"
1904 elif test "$ent_dijkstra" = "no yes"; then
1905         have_ent_mpfr="no"
1906 elif test "$ent_dijkstra" = "no no"; then
1907         have_ent_mpfr="no"
1908 fi
1909
1910
1911 ## whether to enable gaussian numbers
1912 ent_dijkstra="$with_ent_pseug $sxe_cv_feat_pseug"
1913 if test "$ent_dijkstra" = "yes yes"; then
1914         ## perfick
1915         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1916         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1917         SXE_ADD_ENT_OBJS([ent-gaussian.o])
1918         have_ent_pseug="yes"
1919 elif test "$ent_dijkstra" = "yes no"; then
1920         ## grrrr
1921         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1922         have_ent_pseug="no"
1923 elif test "$ent_dijkstra" = "no yes"; then
1924         have_ent_pseug="no"
1925 elif test "$ent_dijkstra" = "no no"; then
1926         have_ent_pseug="no"
1927 fi
1928
1929 ## whether to enable emulated complex numbers
1930 ent_dijkstra="$with_ent_pseuc $sxe_cv_feat_pseuc $with_ent_mpc $sxe_cv_feat_mpc"
1931 if test "$ent_dijkstra" = "yes yes yes yes"; then
1932         ## skip pseuc usage
1933         have_ent_pseuc="veto"
1934         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1935         AS_MESSAGE([ENT: Built-in support for complex numbers available, dnl
1936 but omitted in favour of MPC.])
1937         omit_ent_pseuc_in_favour_of="mpc"
1938         ## set up to use plain mpc
1939         AC_DEFINE([WITH_MPC], [1], [Description here!])
1940         SXE_PREPEND([$MPC_LIBS], [ENT_LIBS])
1941         SXE_ADD_ENT_OBJS([ent-mpc.o])
1942         have_ent_mpc="yes"
1943 elif test "$ent_dijkstra" = "yes yes yes no"; then
1944         ## user planned to use mpc, hasnt got it though
1945         ## now he's cursed with pseudo complex numbers :)
1946         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1947         have_ent_pseuc="yes"
1948         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1949         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1950         ## we want mpc but can't have, set up that
1951         AC_DEFINE([WITH_MPC], [1], [Description here!])
1952         have_ent_mpc="no"
1953 elif test "$ent_dijkstra" = "yes yes no yes"; then
1954         ## user coulda used mpc but disabled it for whatever reasons ... Wait!
1955         ## Horst, is that you?!
1956         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1957         AS_MESSAGE([ENT: dnl
1958 MPC support for complex numbers IS possible, however YOU think you want dnl
1959 the built-in emulated stuff?  Seriously?  Good, so be it!])
1960         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1961         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1962         have_ent_pseuc="yes"
1963         omit_ent_mpc_in_favour_of="pseuc"
1964         ## however brag that we have mpc
1965         have_ent_mpc="yes"
1966 elif test "$ent_dijkstra" = "yes yes no no"; then
1967         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1968         have_ent_pseuc="yes"
1969         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1970         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1971         have_ent_mpc="no"
1972 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "yes no"; then
1973         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1974         have_ent_pseuc="no"
1975 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no yes"; then
1976         have_ent_pseuc="no"
1977 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no no"; then
1978         have_ent_pseuc="no"
1979 fi
1980
1981 ## whether to enable gaussian numbers
1982 ent_dijkstra="$with_ent_quatern $sxe_cv_feat_quatern"
1983 if test "$ent_dijkstra" = "yes yes"; then
1984         ## perfick
1985         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
1986         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1987         SXE_ADD_ENT_OBJS([ent-quatern.o])
1988         have_ent_quatern="yes"
1989 elif test "$ent_dijkstra" = "yes no"; then
1990         ## grrrr
1991         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
1992         have_ent_quatern="no"
1993 elif test "$ent_dijkstra" = "no yes"; then
1994         have_ent_quatern="no"
1995 elif test "$ent_dijkstra" = "no no"; then
1996         have_ent_quatern="no"
1997 fi
1998
1999 ## elliptic curve support
2000 ent_dijkstra="$with_ent_ecm $sxe_cv_feat_ecm"
2001 if test "$ent_dijkstra" = "yes yes"; then
2002         ## perfick case
2003         AC_DEFINE([WITH_ECM], [1], [Description here!])
2004         SXE_PREPEND([$ECM_LIBS], [ENT_LIBS])
2005         SXE_ADD_ENT_OBJS([ent-ecm.o])
2006         have_ent_ecm="yes"
2007 elif test "$ent_dijkstra" = "no yes"; then
2008         have_ent_ecm="no"
2009 elif test "$ent_dijkstra" = "yes no"; then
2010         AC_DEFINE([WITH_ECM], [1], [Description here!])
2011         have_ent_ecm="no"
2012 elif test "$ent_dijkstra" = "no no"; then
2013         have_ent_ecm="no"
2014 fi
2015
2016
2017 ## Floating operation support is now unconditional
2018 SXE_CHECK_MATHS_VALUES
2019 if test "$ac_cv_sizeof_long_double" != 0; then
2020         ##AC_DEFINE_UNQUOTED([fpfloat], [long double], [Description here!])
2021         ##AC_DEFINE([fpfloat_long_double_p], [1], [Description here!])
2022         fpfloat="long double"
2023         fpfloat_long_double_p=1
2024         have_fpfloat=yes
2025 elif test "$ac_cv_sizeof_double" != 0; then
2026         ##AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2027         ##AC_DEFINE([fpfloat_double_p], [1], [Description here!])
2028         fpfloat="double"
2029         fpfloat_double_p=1
2030         have_fpfloat=yes
2031 else
2032         AS_MESSAGE([Uh oh, no float type is bad news.])
2033         have_fpfloat=no
2034 fi
2035
2036 AC_MSG_CHECKING([if need to add -lm])
2037 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2038 #include <math.h>
2039 ]],[[
2040 return sin(0.0);
2041 ]])], [AC_MSG_RESULT([no])], [
2042         AC_MSG_RESULT([maybe])
2043         save_LIBS=$LIBS
2044         SXE_APPEND([-lm], [LIBS])
2045         AC_MSG_CHECKING([if can add -lm])
2046         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2047 #include <math.h>
2048 ]],[[
2049 return sin(0.0);
2050 ]])], [AC_MSG_RESULT([yes])], [
2051         AC_MSG_RESULT([no])
2052         AC_MSG_WARN([No way to use math functions found. Reverting option append.])
2053         LIBS=$save_LIBS])])
2054
2055
2056
2057 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2058 #include <math.h>
2059 ]],[[
2060 return atanh(1.0) + asinh(1.0) + acosh(1.0);
2061 ]])], [AC_DEFINE([HAVE_INVERSE_HYPERBOLIC], [1], [Description here!])])
2062
2063 if test "$have_fpfloat" = "yes"; then
2064         AC_DEFINE([HAVE_FPFLOAT], [1], [Description here!])
2065
2066         SXE_CHECK_CLEAN_FLOATOPS(
2067                 [have_clean_floatops="yes"], [have_clean_floatops="no"])
2068
2069         ## it would seem odd to define the destiny of our float arithmetic here
2070         if test "$have_clean_floatops" = "yes"; then
2071                 AC_DEFINE_UNQUOTED([fpfloat], [$fpfloat], [Description here!])
2072                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2073                         [${fpfloat_long_double_p:-0}], [Description here!])
2074                 AC_DEFINE_UNQUOTED([fpfloat_double_p],
2075                         [${fpfloat_double_p:-0}], [Description here!])
2076         else
2077                 AS_MESSAGE([downgrading to `double' floats])
2078                 AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2079                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2080                         [0], [Description here!])
2081                 AC_DEFINE([fpfloat_double_p],
2082                         [1], [Description here!])
2083         fi
2084 fi
2085
2086 ## trivial checks, you cannot (yet) turn off internal arithmetic entirely
2087 ## so we always `have' it
2088 dnl with_ent_int=yes
2089 have_ent_int=yes
2090 dnl with_ent_indef=yes
2091 have_ent_indef=yes
2092 dnl with_ent_fpfloat=yes
2093 have_ent_fpfloat=yes
2094 dnl we attempt to always use ent.o
2095 AC_DEFINE([WITH_NUMBER_TYPES], [1], [Description here!])
2096 SXE_SUBST_ENT_OBJS
2097
2098 dnl experimental code support
2099 if test "$with_compre" != "no"; then
2100         AC_MSG_CHECKING([if compre prerequisites are met])
2101         AC_MSG_RESULT([yes])
2102         AC_DEFINE([EF_USE_COMPRE], [1],
2103                 [Whether to provide compiled regular expression!])
2104         have_compre=yes
2105 fi
2106 if test "$with_experimental_features_pom" = "yes"; then
2107         AC_MSG_CHECKING([if pom prerequisites are met])
2108         if test "$have_threads" = "yes"; then
2109                 AC_MSG_RESULT([yes])
2110                 AC_DEFINE([EF_USE_POM], [1],
2111                         [Whether to protect all lisp objects with mutexes!])
2112                 have_experimental_features_pom=yes
2113         else
2114                 AC_MSG_RESULT([no])
2115         fi
2116 fi
2117 if test "$with_experimental_features_asyneq" = "yes"; then
2118         AC_MSG_CHECKING([if asyneq prerequisites are met])
2119         if test "$have_threads" = "yes"; then
2120                 AC_MSG_RESULT([yes])
2121                 AC_DEFINE([EF_USE_ASYNEQ], [1],
2122                         [Whether to setup asynchronous event queues!])
2123                 have_experimental_features_asyneq=yes
2124                 SXE_ADD_EVENTS_OBJS([event-queue.o workers.o worker-asyneq.o])
2125         else
2126                 AC_MSG_RESULT([no])
2127         fi
2128 fi
2129 SXE_SUBST_EVENTS_OBJS
2130
2131 SXE_CHECK_EVENTS
2132 SXE_CHECK_SUFFICIENCY([events], [event system])
2133
2134 ## check asm helpers
2135 SXE_CHECK_ASM_HELPERS
2136
2137 ## compression titbits
2138 SXE_CHECK_ZLIB
2139 SXE_CHECK_BZLIB
2140 SXE_CHECK_LZMA
2141
2142
2143 ## Cryptography Options
2144 ## ====================
2145 echo
2146 echo "Cryptography Options"
2147 echo "===================="
2148
2149 ## in case someone else (ldap, pgsql, etc.) needs it
2150 SXE_CHECK_OPENSSL
2151 SXE_CHECK_SUFFICIENCY([openssl], [OpenSSL support])
2152
2153 dnl OpenSSL
2154 if test "$with_openssl" != "no" -a "$have_openssl" = "yes"; then
2155         SXE_ADD_CRUFT_OBJS([openssl.o])
2156 elif test "$with_openssl" != "no"; then
2157         AC_MSG_WARN([Required OpenSSL support cannot be provided.])
2158         AC_MSG_WARN([Check --with-site-prefixes.])
2159 fi
2160 if test "$have_openssl" = "no" -o "$with_openssl" = "no"; then
2161         OPENSSL_CPPFLAGS=""
2162         OPENSSL_LDFLAGS=""
2163         OPENSSL_LIBS=""
2164 fi
2165 AC_SUBST([OPENSSL_CPPFLAGS])
2166 AC_SUBST([OPENSSL_LDFLAGS])
2167 AC_SUBST([OPENSSL_LIBS])
2168
2169 SXE_CHECK_KERBEROS
2170 SXE_CHECK_KERBEROS5
2171 if test "$with_kerberos" = "yes"; then
2172         AC_DEFINE([WITH_KERBEROS], [1], [Whether kerberos support was requested])
2173         if test "$sxe_cv_feat_kerberos" = "yes"; then
2174                 SXE_PREPEND([$KERBEROS_LIBS], [ld_libs_general])
2175         fi
2176 fi
2177
2178
2179 ## Networking Options
2180 ## ==================
2181 echo
2182 echo "Networking Options"
2183 echo "=================="
2184
2185 SXE_CHECK_SOCKETS
2186 SXE_CHECK_SUFFICIENCY([unix], [unix domain sockets])
2187 SXE_CHECK_SUFFICIENCY([sysvipc], [SysV IPC message])
2188 SXE_CHECK_SUFFICIENCY([sockets], [tcp/udp sockets])
2189 SXE_CHECK_SUFFICIENCY([tcpudp], [tcp/udp sockets])
2190 SXE_CHECK_SUFFICIENCY([multicast], [multicast])
2191
2192 dnl Decnet
2193 if test "$with_dnet" = "yes"; then
2194   AC_CHECK_LIB(dnet, main,
2195     [AC_DEFINE([HAVE_LIBDNET], [1], [Description here!])],
2196     [SXE_DIE("DECnet requested but can't find libdnet")])
2197 fi
2198
2199 dnl Socks support
2200 if test "$with_socks" = "yes"; then
2201   AC_CHECK_LIB(socks, SOCKSinit)
2202   test -n "$ac_cv_lib_socks_SOCKSinit" && AC_DEFINE([HAVE_SOCKS], [1], [Description here!])
2203 fi
2204
2205
2206 ## Window System Features
2207 ## ======================
2208 echo
2209 echo "Window System Features"
2210 echo "======================"
2211
2212 dnl ----------------------
2213 dnl Choose a window system
2214 dnl ----------------------
2215
2216 AS_MESSAGE([checking for specified window system])
2217
2218 if test "$with_x" != "no"; then
2219         if test "$with_x11" != "no"; then
2220                 dnl User-specified --x-includes or --x-libraries implies --with-x11.
2221                 test "$x_includes $x_libraries" != "NONE NONE" && \
2222                         window_system=x11
2223                         with_x11=yes
2224         fi
2225
2226         dnl Autodetection of X11 libraries and includes
2227         dnl -------------------------------------------
2228         dnl AC_PATH_XTRA thinks it can find our X headers and includes, but
2229         dnl it often gets it wrong, so we only use it as a last resort.
2230
2231         dnl $OPENWINHOME implies --x-includes and --x-libraries
2232         dnl Not (yet) handled by autoconf2
2233         if test "$x_includes $x_libraries" = "NONE NONE" \
2234                 -a -n "$OPENWINHOME" \
2235                 -a "$OPENWINHOME" != "/usr/openwin" \
2236                 -a -d "$OPENWINHOME"; then
2237                 test -d "$OPENWINHOME/lib"           && \
2238                         x_libraries="$OPENWINHOME/lib"
2239                 test -d "$OPENWINHOME/include"       && \
2240                         x_includes="$OPENWINHOME/include"
2241                 test -d "$OPENWINHOME/share/include" && \
2242                         x_includes="$OPENWINHOME/share/include"
2243         fi
2244
2245         if test -z "$x_includes" -o \
2246            "$x_includes" = "NONE" -o \
2247            ! -d "$x_includes"; then
2248                 dnl AC_PATH_XTRA often guesses /usr/include, when some other
2249                 dnl include directory is a MUCH better guess (Linux, HP-UX 10.20).
2250                 dnl This is a workaround for idiot (esp. HP) system vendors, who
2251                 dnl provide a /usr/include/X11, but DON'T FULLY POPULATE IT.
2252                 for dir in "/usr/X11" "/usr/X11R7" "/usr/X11R6" \
2253                         "/usr/local" "/usr"; do
2254                         if test -d "$dir/include/X11"; then
2255                                 x_includes="$dir/include"
2256                                 break
2257                         fi
2258                 done
2259         fi
2260
2261         if test -z "$x_libraries" -o \
2262            "$x_libraries" = "NONE" -o \
2263            ! -d "$x_libraries"; then
2264                 for dir in \
2265                         "/usr/X11/lib" \
2266                         "/usr/X11R7/lib" "/usr/lib/X11R7" \
2267                         "/usr/X11R6/lib" "/usr/lib/X11R6" \
2268                         "/usr/local/lib" "/usr/local/lib/X11" \
2269                         "/usr/lib" "/usr/lib/X11"; do
2270                         if test -r "$dir/libX11.a"; then
2271                                 x_libraries="$dir"
2272                                 break
2273                         fi
2274                 done
2275         fi
2276
2277         AC_PATH_XTRA
2278         if test "$with_x11" != "no"; then
2279                 if test "$no_x" = "yes"; then
2280                         with_x11=no
2281                         window_system=none
2282                         HAVE_X_WINDOWS=no
2283                 else
2284                         with_x11=yes
2285                         window_system=x11
2286                         HAVE_X_WINDOWS=yes
2287                 fi
2288         fi
2289 fi
2290
2291 dnl #### wmperry:: !x11 != NONE
2292 dnl case "$with_x11" in
2293 dnl  yes ) window_system=x11  HAVE_X_WINDOWS=yes ;;
2294 dnl  no  ) window_system=none HAVE_X_WINDOWS=no  ;;
2295 dnl esac
2296
2297 AM_CONDITIONAL([DESCEND_LWLIB], [test "$with_x11" = "yes"])
2298 if test "$with_x11" = "yes"; then
2299         AC_DEFINE([HAVE_X_WINDOWS], [1], [Description here!])
2300         AC_DEFINE([NeedFunctionPrototypes], [1], [Description here!])
2301         AC_DEFINE([FUNCPROTO], [15], [Whatever this is.])
2302         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2303         SXE_APPEND([lwlib], [MAKE_SUBDIR])
2304         SXE_APPEND([lwlib], [SRC_SUBDIR_DEPS])
2305
2306         SXE_ADD_SXEUIX11_OBJS([console-x.o device-x.o event-Xt.o frame-x.o])
2307         SXE_ADD_SXEUIX11_OBJS([glyphs-x.o objects-x.o redisplay-x.o select-x.o])
2308         SXE_ADD_SXEUIX11_OBJS([xgccache.o])
2309
2310         SXE_DUMP_LIBS
2311         ## some debian systems are trying to fool us ... now fool them back!
2312         if test -d "$x_includes"; then
2313                 CPPFLAGS="$CPPFLAGS -I$x_includes"
2314         fi
2315         if test -d "$x_libraries"; then
2316                 LDFLAGS="$LDFLAGS -L$x_libraries"
2317         fi
2318
2319         dnl Look for Motif, but only if not found in $x_includes and $x_libraries
2320         AC_CHECK_HEADERS([Xm/Xm.h])
2321         if test "$ac_cv_header_Xm_Xm_h" = "yes"; then
2322                 AC_CHECK_LIB([Xm], [XmStringFree], [got_motif=yes])
2323         fi
2324
2325         if test "$got_motif" != "yes"; then
2326                 dnl Try to find Motif dirs
2327                 dnl These take precedence over other X libs/includes, so PRE-pend
2328                 for lib_dir in \
2329                         "/usr/dt/lib" "/usr/lib/Motif2.1" \
2330                         "/usr/lib/Motif1.2" "/usr/lib/Motif1.1"; do
2331                         inc_dir=`echo $lib_dir | sed -e 's/lib/include/'`
2332                         if test -d "$lib_dir" -a -d "$inc_dir"; then
2333                                 case "$x_libraries" in
2334                                 *"$lib_dir"* )
2335                                         ;;
2336                                 *)
2337                                         x_libraries="$lib_dir $x_libraries"
2338                                         SXE_PREPEND(["-L${lib_dir}"], [X_LIBS])
2339                                         ;;
2340                                 esac
2341                                 case "$x_includes" in
2342                                 "$inc_dir"* )
2343                                         ;;
2344                                 *)
2345                                         x_includes="$inc_dir $x_includes"
2346                                         SXE_PREPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2347                                         ;;
2348                                 esac
2349                                 break; dnl only need ONE Motif implementation!
2350                         fi
2351                 done
2352         fi
2353
2354         dnl Contrib X libs/includes do NOT take precedence, so AP-pend
2355         for rel in "X11R7" "X11R6" "X11R5" "X11R4"; do
2356                 lib_dir="/usr/contrib/$rel/lib" inc_dir="/usr/contrib/$rel/include"
2357                 if test -d "$lib_dir" -a -d "$inc_dir"; then
2358                         case "$x_libraries" in
2359                         *"$lib_dir"* )
2360                                 ;;
2361                         *)
2362                                 x_libraries="$x_libraries $lib_dir"
2363                                 SXE_APPEND(["-L${lib_dir}"], [X_LIBS])
2364                                 ;;
2365                         esac
2366                         case "$x_includes" in
2367                         "$inc_dir"* )
2368                                 ;;
2369                         *)
2370                                 x_includes="$x_includes $inc_dir"
2371                                 SXE_APPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2372                                 ;;
2373                         esac
2374                         break; dnl Only need ONE X11 implementation !
2375                 fi
2376         done
2377
2378         dnl Avoid version mismatch for shared library libXm.so on osf4
2379         case "$opsys" in
2380         decosf*)
2381                 if test "$GCC" = yes -a -d "/usr/shlib"; then
2382                         SXE_APPEND([-L/usr/shlib], [X_LIBS]);
2383                 fi
2384                 ;;
2385         esac
2386
2387         LDFLAGS="$LDFLAGS $X_LIBS"
2388
2389         if test "$extra_verbose" = "yes"; then
2390                 echo
2391                 echo "X11 compilation variables:"
2392                 SXE_PRINT_VAR(x_libraries x_includes
2393                         X_CFLAGS X_LIBS X_PRE_LIBS X_EXTRA_LIBS)
2394                 echo
2395         fi
2396
2397         dnl Set up bitmaps search path.
2398         dnl The original suggestion was to unconditionally to append X11/bitmaps
2399         dnl to each element of $x_includes, I'm pretty sure this is the wrong
2400         dnl thing to do.  We test for bitmaps and X11/bitmaps directories on each
2401         dnl element and add them to BITMAPDIR if they exist.
2402         bitmapdirs=
2403         if test "$x_includes" != NONE; then
2404                 for i in $x_includes; do
2405                         if test -d "$i/bitmaps"; then
2406                                 bitmapdirs="$i/bitmaps:$bitmapdirs"
2407                         fi
2408                         if test -d "$i/X11/bitmaps"; then
2409                                 bitmapdirs="$i/X11/bitmaps:$bitmapdirs"
2410                         fi
2411                 done
2412                 bitmapdirs=`echo "$bitmapdirs" | sed s/.$//`
2413         fi
2414         if test ! -z "$bitmapdirs"; then
2415                 AC_DEFINE_UNQUOTED([BITMAPDIR], ["$bitmapdirs"], [Description here!])
2416         fi
2417
2418 dnl   dnl Autodetect defines extracted from X config by xmkmf, e.g. NARROWPROTO
2419 dnl   AS_MESSAGE(checking for X defines extracted by xmkmf)
2420 dnl   rm -fr conftestdir
2421 dnl   if mkdir conftestdir; then
2422 dnl     cd conftestdir
2423 dnl     cat > Imakefile <<'EOF'
2424 dnl xetest:
2425 dnl     @echo ${PROTO_DEFINES} ${STD_DEFINES}
2426 dnl EOF
2427 dnl     if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
2428 dnl       # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
2429 dnl       xmkmf_defines=`${MAKE-make} xetest 2>/dev/null | grep -v make`
2430 dnl     fi
2431 dnl     cd ..
2432 dnl     rm -fr conftestdir
2433 dnl     for word in $xmkmf_defines; do
2434 dnl       case "$word" in
2435 dnl       -D__STDC__*) ;;
2436 dnl       -D* )
2437 dnl     sym=`echo '' $word | sed -e 's:^ *-D::' -e 's:=.*::'`
2438 dnl     case "$word" in
2439 dnl       -D*=* ) val=`echo '' $word | sed -e 's:^.*=::'` ;;
2440 dnl       *     ) val=1 ;;
2441 dnl     esac
2442 dnl dnl Avoid re-AC_DEFINE-ing xmkmf symbols we've already defined above.
2443 dnl     if grep "^#define $sym " confdefs.h >/dev/null; then :; else
2444 dnl       if test "$val" = "1"
2445 dnl         then AC_DEFINE_UNQUOTED([$sym], [], [Description here!])
2446 dnl         else AC_DEFINE_UNQUOTED([$sym], [$val], [Description here!])
2447 dnl       fi
2448 dnl     fi  ;;
2449 dnl       esac
2450 dnl     done
2451 dnl   fi
2452
2453         dnl make sure we can find Intrinsic.h
2454         AC_CHECK_HEADER([X11/Intrinsic.h], [],
2455                 [AC_MSG_ERROR([Unable to find X11 header files. Try using --x-includes=<path> if you know the path, or --with-x=no to disable X11 support.])])
2456
2457         dnl Check some more headers
2458         AC_CHECK_HEADERS([X11/Intrinsic.h X11/StringDefs.h X11/Shell.h X11/ShellP.h],
2459                 [],[],
2460                 [[#if HAVE_X11_INTRINSIC_H
2461                   # include <X11/Intrinsic.h>
2462                   # include <X11/IntrinsicP.h>
2463                   # include <X11/CoreP.h>
2464                   #endif]])
2465
2466         dnl -lXt and -lX11 are required
2467         dnl Some broken systems require the magic "-b i486-linuxaout" flag
2468
2469         dnl Other broken systems will not pass these tests unless the pre and
2470         dnl extra libs are passed on...
2471         LIBS="$LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
2472         AC_CHECK_LIB(X11, XOpenDisplay, have_lib_x11=yes)
2473         if test "$have_lib_x11" != "yes"; then
2474                 AC_CHECK_LIB([X11], [XGetFontProperty],
2475                         [],
2476                         [AC_MSG_ERROR([Unable to find X11 libraries. Try using --x-libraries=<path> if you know the path, or --with-x=no to disable X11 support.])])
2477         fi
2478         SXE_PREPEND([-lX11], [libs_x])
2479         LIBS="$LIBS -lX11"
2480         if test "$extra_verbose" = "yes"; then
2481                 echo "    Setting libs_x to \"-lX11\""
2482         fi
2483         dnl Autodetect -lXext
2484         AC_CHECK_LIB([Xext], [XShapeSelectInput], [SXE_PREPEND([-lXext], [libs_x])])
2485
2486         dnl Require -lXt
2487         AC_CHECK_LIB([Xt], [XtOpenDisplay], [SXE_PREPEND([-lXt], [libs_x])], [
2488                 AC_MSG_ERROR([Unable to find X11 libraries. Try using --x-libraries=<path> if you know the path, or --with-x=no to disable X11 support.])])
2489
2490         AC_MSG_CHECKING([the version of X11 being used])
2491         AC_RUN_IFELSE([AC_LANG_SOURCE([[
2492 #include <X11/Intrinsic.h>
2493 int main(int c, char *v[]) { return c>1 ? XlibSpecificationRelease : 0; }]])],
2494                 [./conftest foobar; x11_release=$?],[x11_release=4],[x11_release=4])
2495         AC_MSG_RESULT(R${x11_release})
2496         AC_DEFINE_UNQUOTED([X11_RELEASE], [${x11_release}], [Description here!])
2497
2498         AC_CHECK_FUNCS([XConvertCase])
2499         AC_CHECK_LIB([Xt], [XtRegisterDrawable])
2500         if test "$ac_cv_lib_Xt_XtRegisterDrawable" = "yes"; then
2501                 AC_DEFINE([HAVE_XTREGISTERDRAWABLE], [1], [Description])
2502         fi
2503
2504         AC_CHECK_HEADERS(X11/Xlocale.h)
2505
2506         dnl XFree86 has a non-standard prototype for this X11R6 function
2507         AC_CHECK_FUNCS(XRegisterIMInstantiateCallback)
2508         AC_MSG_CHECKING(for standard XRegisterIMInstantiateCallback prototype)
2509         AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2510 #ifndef NeedFunctionPrototypes
2511 #define NeedFunctionPrototypes 1
2512 #endif
2513 #include <X11/Xlib.h>
2514 extern Bool XRegisterIMInstantiateCallback(
2515         Display*, struct _XrmHashBucketRec*, char*, char*, XIMProc, XPointer*);
2516 ]])],
2517         [AC_MSG_RESULT(yes)],
2518         [AC_MSG_RESULT(no)
2519                 AC_DEFINE([XREGISTERIMINSTANTIATECALLBACK_NONSTANDARD_PROTOTYPE],
2520                         [], [Description here!])])
2521
2522         dnl autodetect -lXmu
2523         AC_CHECK_LIB([Xmu], [XmuReadBitmapDataFromFile],
2524                 [with_xmu=yes], [with_xmu=no])
2525         if test "$with_xmu" = "no"; then
2526                 SXE_ADD_SXEUIX11_OBJS([xmu.o])
2527         else
2528                 SXE_PREPEND([-lXmu], [libs_x])
2529                 AC_DEFINE([HAVE_XMU], [1], [Description here!])
2530         fi
2531
2532         dnl Autodetect -lXbsd
2533         dnl #### Someone, please add a better function than main
2534         AC_CHECK_LIB([Xbsd], [main], SXE_PREPEND([-lXbsd], [libs_x]))
2535
2536         dnl restore old values
2537         SXE_RESTORE_LIBS
2538 fi dnl $with_x11 = yes
2539
2540 AC_SUBST([install_pp])
2541
2542 dnl test "$with_dragndrop" != "no" && with_dragndrop="$with_dragndrop_default"
2543 dnl test -z "$window_system" && window_system="none"
2544 with_dragndrop="no"
2545
2546 dnl Test for features that require a window system - ANY window system
2547 if test "$window_system" = "none"; then
2548   for feature in menubars scrollbars toolbars dialogs dragndrop xface
2549   do
2550     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2551        AC_MSG_WARN([--with-$feature ignored:  Not valid without window system support])
2552     fi
2553     eval "with_${feature}=no"
2554   done
2555 else
2556   test -z "with_toolbars" && with_toolbars=yes
2557 fi
2558
2559 dnl Test for features that require X11 support
2560 if test "$with_x11" != "yes"; then
2561   dnl It ought to be reasonable to have no output device at all, and only use
2562   dnl SXEmacs in --batch mode.
2563   dnl if test "$with_tty" = "no" ; then
2564   dnl   AC_MSG_ERROR([No window system support and no TTY support - Unable to proceed.])
2565   dnl fi
2566   for feature in offix wmcommand xim xmu nas_sound
2567   do
2568     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2569        AC_MSG_WARN([--with-$feature ignored:  Not valid without X support])
2570     fi
2571     eval "with_${feature}=no"
2572   done
2573 fi
2574
2575 dnl Balloon Help requires the Shape extension, not available everywhere,
2576 dnl for example not on AIX 4.3.
2577 if test "$with_x11" = "yes"; then
2578   AC_CHECK_HEADER(X11/extensions/shape.h, [
2579    AC_DEFINE([HAVE_BALLOON_HELP], [1], [Description here!])
2580    SXE_ADD_SXEUIX11_OBJS(balloon_help.o balloon-x.o)
2581    ])
2582 fi
2583
2584 dnl FSF 19.29 has some bitmapdir stuff here.
2585 bitmapdir=
2586
2587 case "$window_system" in
2588   x11  ) HAVE_X_WINDOWS=yes; echo "  Using X11." ;;
2589   none ) HAVE_X_WINDOWS=no ; echo "  Using no window system." ;;
2590 esac
2591
2592 if test -n "$window_system" -a "$window_system" != "none"; then
2593         AC_DEFINE_UNQUOTED([HAVE_WINDOW_SYSTEM], [1], [Description here!])
2594 fi
2595
2596 case "$x_libraries" in *X11R4* )
2597   test "$opsys" = "hpux9"     && opsysfile="s/hpux9-x11r4.h"
2598   test "$opsys" = "hpux9-shr" && opsysfile="s/hpux9shxr4.h"
2599 esac
2600
2601 dnl Enable or disable proper handling of WM_COMMAND
2602 AS_MESSAGE(checking for WM_COMMAND option);
2603 dnl if test "$with_wmcommand" = "yes"; then
2604 if test "$with_wmcommand" != "no"; then
2605   AC_DEFINE([HAVE_WMCOMMAND], [1], [Description here!])
2606 fi
2607
2608 dnl Autodetect Xauth
2609 dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
2610 test "$with_xauth" != "no" && test "$window_system" = "none" && with_xauth=no
2611 SXE_DUMP_LIBS
2612 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2613 LDFLAGS="$LDFLAGS $X_LIBS"
2614 AC_CHECK_HEADER([X11/Xauth.h], [:], [with_xauth=no])
2615 AC_CHECK_LIB([Xau], [XauGetAuthByAddr], [:], [with_xauth=no])
2616 if test "$with_xauth" = "yes"; then
2617   AC_DEFINE([HAVE_XAUTH], [1], [Description here!])
2618   SXE_CONSECUTIVE_UNDUP([libs_xauth], [$X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS])
2619 fi
2620 SXE_RESTORE_LIBS
2621 AC_SUBST(libs_xauth)
2622
2623 dnl ----------------------
2624 dnl X-Specific Graphics libraries
2625 dnl ----------------------
2626
2627 ## Oki, now that we really need a more exhaustive way to autodetect
2628 ## athena and other widgets we construct a chain.  The elements of
2629 ## that chain are simple atomic tests (provided by AC_DEFUNs).
2630 ## The chain is defined to be:
2631 ##
2632 ## neXtaw -> Xaw3d -> XawXpm -> Xaw95  ->  Xaw  ->  Motif  ->  Nirvana
2633 ## ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^      ^^^      ^^^^^
2634 ##         3d sets                       non-3d   non-athena
2635 ##
2636 ## Now if the user passes a --with-athena=foo option, we jump
2637 ## directly to the according test-suite and in case this fails we jump
2638 ## off the cliff.
2639 ##
2640 ## Attention:
2641 ## We shall perform every test-suite twice, once the correct way, and
2642 ## once with #include'ing the Xfuncproto header.
2643 ## Thanks to the many, many distributions which treat their users
2644 ## like braindead zombies!
2645 ## Especially, I would like to thank Fedora/RedHat for bringing
2646 ## this up. Go on guys, you rock!
2647
2648 ## and now the test chain
2649 if test "$with_x11" = "yes" -a "$with_x" != "no"; then
2650         SXE_CHECK_XTOOLKITS
2651         SXE_CHECK_XT_DEPENDENCIES
2652 else
2653         with_menubars=no
2654         with_scrollbars=no
2655         with_dialogs=no
2656         with_toolbars=no
2657         with_widgets=no
2658 fi
2659
2660 dnl Always compile OffiX unless --without-offix is given, no
2661 dnl X11 support is compiled in, no standard Xmu is available,
2662 dnl or dragndrop support is disabled
2663 dnl Because OffiX support currently loses when more than one display
2664 dnl is in use, we now disable it by default -slb 07/10/1998.
2665 test "$window_system" != "x11" && with_offix=no
2666 if test "$with_xmu" != yes -a "$with_x11" = yes; then
2667   if test "$with_offix" = "yes" ; then
2668     AC_MSG_WARN([--with-offix forced to `no'; no real Xmu support])
2669   fi
2670   with_offix=no
2671 fi
2672 if test "$with_dragndrop" = "no" ; then
2673   if test "$with_offix" = "yes" ; then
2674     AC_MSG_WARN([--with-offix forced to `no'; no generic Drag'n'Drop support])
2675   fi
2676   with_offix=no
2677 fi
2678 if test "$with_offix" = "yes"; then
2679   AC_DEFINE([HAVE_OFFIX_DND], [1], [Description here!])
2680   SXE_APPEND(offix.o, dnd_objs)
2681   SXE_APPEND(OffiX, dragndrop_proto)
2682 fi
2683
2684
2685 ## TTY Options
2686 ## ===========
2687 echo
2688 echo "TTY Options"
2689 echo "==========="
2690
2691
2692 dnl ---------------------
2693 dnl TTY-dependent options
2694 dnl ---------------------
2695
2696 dnl checks for header files
2697 AC_CHECK_HEADERS([libintl.h nlist.h sgtty.h termio.h termios.h])
2698
2699 if test "$with_tty" != "no"  ; then
2700         AS_MESSAGE(checking for TTY-related features)
2701         AC_DEFINE([HAVE_TTY], [1], [Description here!])
2702         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2703         SXE_ADD_SXEUITTY_OBJS([console-tty.o device-tty.o event-tty.o frame-tty.o objects-tty.o redisplay-tty.o cm.o])
2704
2705   dnl Autodetect ncurses.
2706   AC_CHECK_LIB(ncurses, tgetent, , with_ncurses=no)
2707   AC_CHECK_LIB(ncurses, tgetstr, , with_ncurses=no)
2708   AC_CHECK_LIB(ncurses, tparm, , with_ncurses=no)
2709   if test "$with_ncurses" != "no"; then
2710     AC_DEFINE([HAVE_NCURSES], [1], [Description here!])
2711     with_ncurses=yes
2712     AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2713     if test -z "$curses_h_file"; then
2714             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2715     fi
2716     if test -n "$curses_h_file"; then
2717             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2718             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2719     else
2720             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2721             AC_CHECK_HEADER(termcap.h, termcap_h_file=termcap.h)
2722             AC_CHECK_HEADER(term.h,    term_h_file=term.h)
2723     fi
2724     SXE_ADD_SXEUITTY_OBJS(terminfo.o)
2725     SXE_PREPEND(-lncurses, LIBS)
2726
2727     if test -z "$curses_h_file" ; then
2728       dnl Try again, and check for the bogus ncurses/ include bug.
2729       dnl (i.e. ncurses/curses.h bogusly includes <unctrl.h> instead of
2730       dnl <ncurses/unctrl.h>)
2731       save_c_switch_site="$c_switch_site"
2732       c_switch_site="$c_switch_site -I/usr/include/ncurses"
2733       AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2734       if test -z "$curses_h_file"; then
2735             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2736       fi
2737       if test -n "$curses_h_file"; then
2738             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2739             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2740       else
2741             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2742             AC_CHECK_HEADER(termcap.h, curses_h_file=termcap.h)
2743             AC_CHECK_HEADER(term.h,    curses_h_file=term.h)
2744       fi
2745       if test -n "$curses_h_file"
2746         then AC_MSG_WARN([Your system has the bogus ncurses include bug.])
2747         else c_switch_site="$save_c_switch_site"
2748       fi
2749     fi
2750   fi
2751   if test "$with_ncurses" = "no" -o -z "$curses_h_file" ; then
2752
2753     # Check alternate library includes
2754     for lib in curses term terminfo termcap; do
2755         AC_CHECK_HEADER(${lib}.h, [
2756                 eval ${lib}_h_file=${lib}.h
2757                 AC_CHECK_LIB($lib, tgetent, eval have_${lib}=yes, eval have_${lib}=no)
2758                 AC_CHECK_LIB($lib, tgetstr, , eval have_${lib}=no)])
2759     done
2760
2761     for lib in curses terminfo termlib termcap; do
2762           have_lib_eval=`eval echo \\$have_$lib`
2763           if test "$have_lib_eval" = "yes"; then
2764                 AC_CHECK_LIB($lib, tparm,
2765                           SXE_ADD_SXEUITTY_OBJS(terminfo.o),
2766                           SXE_ADD_SXEUITTY_OBJS(tparam.o))
2767                 SXE_PREPEND(-l${lib}, LIBS)
2768                 break
2769           fi
2770     done
2771   fi
2772   if test -n "$curses_h_file"; then
2773         AC_DEFINE_UNQUOTED([HAVE_CURSES_H], [1], [There is a curses.h header file available])
2774   fi
2775   if test -n "$termcap_h_file"; then
2776         AC_DEFINE_UNQUOTED([HAVE_TERMCAP_H], [1], [There is a termcap.h header available])
2777   fi
2778   if test -n "$term_h_file"; then
2779         AC_DEFINE_UNQUOTED([HAVE_TERM_H], [1], [There is a term.h header available])
2780   fi
2781   AC_DEFINE_UNQUOTED([CURSES_H_FILE], ["${curses_h_file-curses.h}"], [The curses.h header file])
2782   AC_DEFINE_UNQUOTED([TERMCAP_H_FILE], ["${termcap_h_file-termcap.h}"], [The termcap.h header file])
2783   AC_DEFINE_UNQUOTED([TERM_H_FILE], ["${term_h_file-term.h}"], [The term.h header file])
2784
2785   dnl General Purpose Mouse (libgpm) support
2786   if test "$with_gpm" != "no"; then
2787     AC_CHECK_HEADER(gpm.h, [
2788       AC_CHECK_LIB(gpm, Gpm_Open, have_gpm=yes)])
2789     if test "$have_gpm" = "yes"; then
2790       with_gpm=yes
2791       AC_DEFINE([HAVE_GPM], [1], [General Purpose Mouse (libgpm) is available])
2792       SXE_ADD_SXEUITTY_OBJS(gpmevent.o)
2793       SXE_PREPEND(-lgpm, LIBS)
2794     else
2795       with_gpm=no
2796     fi
2797   fi
2798
2799 else dnl "$with_tty" = "no"
2800   for feature in ncurses gpm; do
2801     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2802       AC_MSG_WARN([--with-${feature} ignored:  Not valid without TTY support])
2803     fi
2804     eval "with_${feature}=no"
2805   done
2806 fi dnl with_tty
2807
2808 SXE_CHECK_UI_SUFFICIENCY
2809
2810 ## Uncertain options
2811 ## =================
2812 echo
2813 echo "Uncertain options"
2814 echo "================="
2815
2816 ## for native xml support one day
2817 SXE_LANG_CHECK_XML
2818 SXE_CHECK_SUFFICIENCY([libxml2], [xml language])
2819 ## for BoehmGC support one day
2820 SXE_CHECK_BDWGC
2821 SXE_CHECK_SUFFICIENCY([bdwgc], [Boehm-Demers-Weiser GC])
2822
2823 if test "$with_experimental_features_bdwgc" = "yes"; then
2824         AC_MSG_CHECKING([if bdwgc prerequisites are met])
2825         AC_MSG_RESULT([${have_bdwgc}])
2826         have_experimental_features_bdwgc=${have_bdwgc}
2827         if test "${have_bdwgc}" = "yes"; then
2828                 AC_DEFINE([EF_USE_BDWGC], [1],
2829                         [Whether to actually use the BDWGC!])
2830         fi
2831 fi
2832
2833
2834 dnl This one is for the static initializeds variables in
2835 dnl offix.c, so that the thing is dumped after lastfile.o
2836 AC_SUBST(dnd_objs)
2837
2838 dnl Autodetect dll support
2839
2840 LIBSTDCPP=
2841 AC_SUBST(LIBSTDCPP)
2842
2843
2844 ## Multimedia Options
2845 ## ==================
2846 echo
2847 echo "Multimedia Options"
2848 echo "=================="
2849
2850 dnl ----------------------
2851 dnl Graphics libraries
2852 dnl ----------------------
2853
2854 if test "$with_image_xpm" = "yes"; then
2855         SXE_MM_CHECK_XPM([have_image_xpm=yes], [have_image_xpm=no])
2856
2857         AC_MSG_CHECKING([for sufficient xpm support])
2858         if test "$have_image_xpm" = "yes"; then
2859                 AC_MSG_RESULT([yes])
2860                 AC_DEFINE([HAVE_XPM], [1], [Description here!])
2861                 SXE_PREPEND([-lXpm], [MM_LIBS])
2862         else
2863                 AC_MSG_RESULT([no])
2864                 have_image_xpm=no
2865         fi
2866 fi
2867 AM_CONDITIONAL([WITH_BDWGC],
2868         [test "$with_experimental_features_bdwgc" = "yes" -a \
2869               "$have_bdwgc" = "yes"])
2870
2871 if test "$with_image_xface" = "yes"; then
2872         SXE_MM_CHECK_XFACE([have_image_xface=yes], [have_image_xface=no])
2873
2874         AC_MSG_CHECKING([for sufficient xface support])
2875         if test "$have_image_xface" = "yes"; then
2876                 AC_MSG_RESULT([yes])
2877                 AC_DEFINE([HAVE_XFACE], [1], [dnl
2878                         Both compface.h and libcompface have been found.])
2879                 SXE_PREPEND([-lcompface], [MM_LIBS])
2880         else
2881                 AC_MSG_RESULT([no])
2882                 have_image_xface=no
2883         fi
2884 fi
2885
2886 if test "$with_image_gif" = "yes"; then
2887         SXE_MM_CHECK_GIF([have_image_gif=yes], [have_image_gif=no])
2888
2889         AC_MSG_CHECKING([for sufficient gif support])
2890         if test "$have_image_gif" = "yes"; then
2891                 AC_MSG_RESULT([yes])
2892                 AC_DEFINE([HAVE_GIF], [1], [Enable internal GIF decoding])
2893                 SXE_ADD_MM_OBJS(dgif_lib.o gif_io.o)
2894         else
2895                 AC_MSG_RESULT([no])
2896         fi
2897 fi
2898
2899 SXE_MM_SEARCH_INFLATE
2900
2901 if test "$with_image_jpeg" = "yes"; then
2902         SXE_MM_CHECK_JPEG([have_image_jpeg=yes], [have_image_jpeg=no])
2903
2904         AC_MSG_CHECKING([for sufficient jpeg support])
2905         if test "$have_image_jpeg" = "yes"; then
2906                 AC_MSG_RESULT([yes])
2907                 AC_DEFINE([HAVE_JPEG], [1], [
2908                         Both jpeglib.h and libjpeg have been found.])
2909                 SXE_PREPEND([-ljpeg], [MM_LIBS])
2910         else
2911                 AC_MSG_RESULT([no])
2912         fi
2913 fi
2914
2915 if test "$with_image_png" = "yes"; then
2916         AC_DEFINE([WITH_PNG], [1], [Define to 1 if png support is desired.])
2917         SXE_MM_CHECK_PNG([have_image_png="yes"], [have_image_png="no"])
2918
2919         SXE_MSG_CHECKING([for sufficient PNG support])
2920         SXE_MSG_RESULT([${sxe_cv_feat_png}])
2921         if test "$sxe_cv_feat_png" = "yes"; then
2922                 SXE_PREPEND_UNDUP([$PNG_CPPFLAGS], [MM_CPPFLAGS])
2923                 SXE_PREPEND_UNDUP([$PNG_LDFLAGS], [MM_LDFLAGS])
2924                 SXE_PREPEND([$PNG_LIBS], [MM_LIBS])
2925         fi
2926 fi
2927
2928 if test "$with_image_tiff" = "yes"; then
2929         SXE_MM_CHECK_TIFF([have_image_tiff=yes], [have_image_tiff=no])
2930
2931         AC_MSG_CHECKING([for sufficient TIFF support])
2932         if test "$have_image_tiff" = "yes"; then
2933                 AC_MSG_RESULT([yes])
2934                 AC_DEFINE([HAVE_TIFF], [1], [
2935                         Both tiffio.h and libtiff have been found.])
2936                 SXE_PREPEND([-ltiff], [MM_LIBS])
2937         else
2938                 AC_MSG_RESULT([no])
2939         fi
2940 fi
2941
2942 dnl Check for audio output and media stream libraries.
2943
2944 dnl internal media stream analysis support
2945 if test "$with_media_internal" != "no"; then
2946         need_media_internal=yes
2947         have_media_internal=yes
2948 fi
2949
2950 ## Since almost any of the below tests uses pkgconfig we make a
2951 ## once-for-all-times check now
2952 SXE_SEARCH_CONFIG_PROG([pkg-config])
2953
2954 dnl libsndfile support
2955 if test "$with_media_sndfile" != "no"; then
2956         SXE_MM_CHECK_SNDFILE([have_media_sndfile=yes], [have_media_sndfile=no])
2957
2958         AC_MSG_CHECKING([for sufficient sndfile support])
2959         if test "$have_media_sndfile" = "yes"; then
2960                 AC_MSG_RESULT([yes])
2961                 SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
2962                 SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags sndfile`
2963                 SNDFILE_VERSION=`$PKG_CONFIG --modversion sndfile`
2964                 SXE_PREPEND([$SNDFILE_LIBS], [MM_LIBS])
2965                 SXE_PREPEND_UNDUP([$SNDFILE_CPPFLAGS], [MM_CPPFLAGS])
2966                 SXE_ADD_MM_OBJS([media-sndfile.o])
2967                 AC_DEFINE([HAVE_SNDFILE], [1],
2968                         [Whether we appear to have support for the sndfile library!])
2969                 AC_DEFINE_UNQUOTED([SNDFILE_VERSION], [$SNDFILE_VERSION],
2970                         [Version of the sndfile library!])
2971         else
2972                 AC_MSG_RESULT([no])
2973                 have_media_sndfile=no
2974         fi
2975 fi
2976
2977 dnl libavcodec/libavformat/ffmpeg support
2978 if test "$with_media_ffmpeg" != "no"; then
2979         SXE_MM_CHECK_FFMPEG([have_media_ffmpeg=yes], [have_media_ffmpeg=no])
2980
2981         AC_MSG_CHECKING([for sufficient FFmpeg support])
2982
2983         if test "$have_media_ffmpeg" = "yes"; then
2984                 AC_MSG_RESULT([yes])
2985                 FFMPEG_LIBS=`$PKG_CONFIG --libs libavformat`
2986                 FFMPEG_CPPFLAGS=`$PKG_CONFIG --cflags libavformat`
2987                 SXE_PREPEND($FFMPEG_LIBS, MM_LIBS)
2988                 SXE_PREPEND_UNDUP($FFMPEG_CPPFLAGS, MM_CPPFLAGS)
2989                 SXE_ADD_MM_OBJS([media-ffmpeg.o])
2990                 AC_DEFINE([HAVE_FFMPEG], [1], [Description here!])
2991         else
2992                 AC_MSG_RESULT([no])
2993                 have_media_ffmpeg=no
2994         fi
2995 fi
2996
2997 dnl sox support
2998 if test "$with_media_sox" != "no"; then
2999         ## defines $LIBST_CONFIG
3000         SXE_MM_CHECK_SOX([have_media_sox=yes], [have_media_sox=no])
3001
3002         AC_MSG_CHECKING([for sufficient SoX support])
3003         if test "$sxe_cv_feat_sox" = "yes"; then
3004                 AC_MSG_RESULT([yes])
3005                 SXE_ADD_MM_OBJS([media-sox.o])
3006                 SXE_PREPEND_UNDUP([$sox_cppflags], [MM_CPPFLAGS])
3007                 SXE_PREPEND_UNDUP([$sox_ldflags], [MM_LDFLAGS])
3008                 SXE_PREPEND([$sox_libs], [MM_LIBS])
3009                 AC_DEFINE([HAVE_SOX], [1], [Description here!])
3010         else
3011                 AC_MSG_RESULT(no)
3012                 have_media_sox=no
3013         fi
3014 fi
3015
3016 dnl mad support
3017 if test "$with_media_mad" != "no"; then
3018         SXE_MM_CHECK_MAD([have_media_mad=yes], [have_media_mad=no])
3019
3020         AC_MSG_CHECKING([for sufficient mad support])
3021         if test "$have_media_mad" = "yes"; then
3022                 AC_MSG_RESULT([yes])
3023                 SXE_ADD_MM_OBJS([media-mad.o])
3024                 SXE_PREPEND([-lmad], [MM_LIBS])
3025                 AC_DEFINE([HAVE_MAD], [1], [Description here!])
3026         else
3027                 AC_MSG_RESULT(no)
3028                 have_media_mad=no
3029         fi
3030 fi
3031
3032 ## file/libmagic support
3033 if test "$with_media_magic" != "no"; then
3034         SXE_MM_CHECK_MAGIC([have_media_magic=yes], [have_media_magic=no])
3035
3036         AC_MSG_CHECKING([for sufficient magic support])
3037         if test "$have_media_magic" = "yes"; then
3038                 AC_MSG_RESULT([yes])
3039                 SXE_ADD_MM_OBJS([media-magic.o])
3040                 SXE_PREPEND([-lmagic], [MM_LIBS])
3041                 AC_DEFINE([HAVE_MAGIC], [1], [Whether libmagic is available])
3042         else
3043                 AC_MSG_RESULT([no])
3044                 have_media_magic=no
3045         fi
3046 fi
3047
3048
3049 dnl Autodetect OSS sound
3050 AS_MESSAGE([checking for OSS sound support])
3051 dnl test -z "$with_sound_oss" -a -n "$with_oss_sound_lib" && with_sound_oss=yes
3052
3053 dnl Check for Linux/BSD sound (called OSS)
3054 if test "$with_sound_oss" != "no"; then
3055         SXE_MM_CHECK_OSS([have_sound_oss=yes], [have_sound_oss=no])
3056
3057         AC_MSG_CHECKING([for sufficient OSS support])
3058         if test "$have_sound_oss" = "yes"; then
3059                 AC_MSG_RESULT([yes])
3060                 SXE_ADD_MM_OBJS([sound-oss.o])
3061                 AC_DEFINE([HAVE_INTERNAL_SOUND], [1], [Description here!])
3062                 AC_DEFINE([HAVE_OSS_SOUND], [1], [Description here!])
3063         else
3064                 AC_MSG_RESULT([no])
3065                 have_sound_oss=yes
3066         fi
3067 fi
3068
3069 dnl NAS Sound support
3070 if test "$with_sound_nas" != "no"; then
3071         SXE_MM_CHECK_NAS([have_sound_nas=yes], [have_sound_nas=no])
3072
3073         AC_MSG_CHECKING([for sufficient NAS support])
3074         if test "$have_sound_nas" = "yes"; then
3075                 AC_MSG_RESULT([yes])
3076                 AC_DEFINE([HAVE_NAS_SOUND], [1], [Description here!])
3077                 SXE_ADD_MM_OBJS([sound-nas.o])
3078                 SXE_PREPEND([-laudio], [MM_LIBS])
3079         else
3080                 AC_MSG_RESULT([no])
3081                 have_nas_sound=no
3082         fi
3083 fi
3084
3085 dnl ESD Sound support
3086 if test "$with_sound_esd" != "no"; then
3087         SXE_MM_CHECK_ESD([have_sound_esd=yes], [have_sound_esd=no])
3088
3089         AC_MSG_CHECKING([for sufficient ESD support])
3090         if test "$have_sound_esd" = "yes"; then
3091                 AC_MSG_RESULT([yes])
3092                 need_internal_media=yes
3093                 SXE_ADD_MM_OBJS([sound-esd.o])
3094                 ESD_LIBS=$("${ESD_CONFIG}" --libs)
3095                 SXE_PREPEND(["${ESD_LIBS}"], [MM_LIBS])
3096                 AC_DEFINE([HAVE_ESD_SOUND], [1], [Description here!])
3097         else
3098                 AC_MSG_RESULT([no])
3099                 have_esd_sound=no
3100         fi
3101 fi
3102
3103 dnl PulseAudio Sound support
3104 if test "$with_pulseaudio" != "no"; then
3105         SXE_MM_CHECK_PULSE([have_sound_pulse=yes], [have_sound_pulse=no])
3106
3107         AC_MSG_CHECKING([for sufficient PulseAudio support])
3108         if test "$have_sound_pulse" = "yes"; then
3109                 AC_MSG_RESULT([yes])
3110                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse`
3111                 pulse_version=`$PKG_CONFIG --modversion libpulse`
3112                 pulse_major_version=0
3113                 pulse_minor_version=`echo $pulse_version | \
3114                         sed -e "s/0\.\([[0-9]]*\).*/\1/"`
3115                 need_internal_media=yes
3116                 SXE_ADD_MM_OBJS([sound-pulse.o])
3117                 SXE_PREPEND($PULSEAUDIO_LIBS, MM_LIBS)
3118                 AC_DEFINE([HAVE_PULSE_SOUND], [1],
3119                         [Whether to put in support for PulseAudio.])
3120                 AC_DEFINE_UNQUOTED([PULSE_VERSION], [$pulse_minor_version],
3121                         [Version of the underlying pulse lib.])
3122         else
3123                 AC_MSG_RESULT(no)
3124                 have_sound_pulse=no
3125         fi
3126 fi
3127
3128 dnl Jack Sound support
3129 if test "$with_sound_jack" != "no"; then
3130         SXE_MM_CHECK_JACK([have_sound_jack=yes], [have_sound_jack=no])
3131
3132         AC_MSG_CHECKING([for sufficient Jack support])
3133         if test "$have_sound_jack" = "yes"; then
3134                 AC_MSG_RESULT([yes])
3135                 dnl okay, we have Jack on the system, but we have no working
3136                 dnl interface to it :(
3137                 JACK_LIBS=`$PKG_CONFIG --libs jack`
3138                 JACK_VERSION=`$PKG_CONFIG --modversion jack`
3139                 need_internal_media=yes
3140                 SXE_ADD_MM_OBJS([sound-jack.o])
3141                 SXE_PREPEND([$JACK_LIBS], [MM_LIBS])
3142                 AC_DEFINE([HAVE_JACK_SOUND], [1], [Description here!])
3143                 AC_DEFINE_UNQUOTED([JACK_VERSION], [$JACK_VERSION],
3144                         [Description here!])
3145         else
3146                 AC_MSG_RESULT(no)
3147         fi
3148 fi
3149
3150 dnl alsa sound support
3151 if test "$with_sound_alsa" != "no"; then
3152         SXE_MM_CHECK_ALSA([have_sound_alsa=yes], [have_sound_alsa=no])
3153
3154         AC_MSG_CHECKING([for sufficient ALSA support])
3155         if test "$have_sound_alsa" = "yes"; then
3156                 AC_MSG_RESULT([yes])
3157                 SXE_ADD_MM_OBJS([sound-alsa.o])
3158                 SXE_PREPEND([-lasound], [MM_LIBS])
3159         else
3160                 AC_MSG_RESULT(no)
3161                 have_sound_alsa=no
3162         fi
3163 fi
3164
3165 dnl libao sound support
3166 if test "$with_sound_ao" != "no"; then
3167         SXE_MM_CHECK_AO([have_sound_ao=yes], [have_sound_ao=no])
3168
3169         AC_MSG_CHECKING([for sufficient AO support])
3170         if test "$have_sound_ao" = "yes"; then
3171                 AC_MSG_RESULT([yes])
3172                 AO_LIBS=`$PKG_CONFIG --libs ao`
3173                 ao_version=`$PKG_CONFIG --modversion ao`
3174                 SXE_ADD_MM_OBJS([sound-ao.o])
3175                 SXE_PREPEND($AO_LIBS, MM_LIBS)
3176                 AC_DEFINE([HAVE_AO_SOUND], [1], [Description here!])
3177                 AC_DEFINE_UNQUOTED([AO_VERSION], [$ao_version], [Description here!])
3178         else
3179                 AC_MSG_RESULT(no)
3180                 have_sound_ao=no
3181         fi
3182 fi
3183
3184 if test \
3185    "$have_sound_alsa \
3186     $have_sound_ao \
3187     $have_sound_esd \
3188     $have_sound_jack \
3189     $have_sound_nas \
3190     $have_sound_pulse" != "no no no no no no"; then
3191         AC_DEFINE([HAVE_AUDIO], [1], [Description here!])
3192 fi
3193 if test "$need_internal_media" = "yes"; then
3194         with_internal_media=yes
3195         AC_DEFINE([HAVE_INTERNAL_MEDIA], [1], [Description here!])
3196         SXE_ADD_MM_OBJS([media-internal.o])
3197 fi
3198 AC_SUBST([MM_LIBS])
3199 AC_SUBST([MM_CPPFLAGS])
3200 AC_SUBST([MM_LDFLAGS])
3201 SXE_SUBST_MM_OBJS
3202
3203
3204 ## Internationalisation Options
3205 ## ============================
3206 echo
3207 echo "Internationalisation Options"
3208 echo "============================"
3209
3210 dnl ----------------------
3211 dnl Mule-dependent options
3212 dnl ----------------------
3213
3214 dnl if test "$with_mule" = "yes" && test ! -d "$sxe_srcdir/lisp/mule"; then
3215 dnl     echo "Attempt to Build with Mule without Mule/Lisp"
3216 dnl     echo "Please install the SXEmacs/Mule tarball or"
3217 dnl     echo "rerun configure with --with-mule=no"
3218 dnl     exit 1
3219 dnl fi
3220
3221 if test "$with_file_coding" = "yes" && test "$with_mule" = "no"; then
3222   AC_DEFINE([FILE_CODING], [1], [Description here!])
3223   SXE_ADD_MULE_OBJS(file-coding.o)
3224 fi
3225
3226 if test "$with_mule" = "yes" ; then
3227         SXE_CHECK_MULE
3228
3229 else dnl "$with_mule" = "no"
3230         for feature in xim canna wnn; do
3231                 if eval "test -n \"\$with_${feature}\" -a \
3232                         \"\$with_${feature}\" != no" ; then
3233                         AC_MSG_WARN([--with-${feature} ignored:  Not valid without Mule support])
3234                 fi
3235                 eval "with_${feature}=no"
3236         done
3237 fi dnl with_mule
3238 SXE_SUBST_MULE_OBJS
3239 AM_CONDITIONAL([WITH_MULE], [test "$with_mule" = "yes"])
3240
3241
3242 dnl At this point, we know whether we need the motif lib or not.
3243 if test "$need_motif" = "yes" ; then
3244         SXE_PREPEND([-lXm], [libs_x])
3245         dnl AIX needs the following library for use with Motif
3246         AC_CHECK_LIB([i18n], [layout_object_getvalue])
3247         if test "$ac_cv_lib_i18n_layout_object_getvalue" = "yes"; then
3248                 SXE_PREPEND([-li18n], [libs_x])
3249         fi
3250 fi
3251
3252 dnl getaddrinfo() is borked under hpux11
3253 if test "$ac_cv_func_getaddrinfo" != "no" ; then
3254   case "$opsys" in
3255     hpux11 )
3256       AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
3257       ac_cv_func_getaddrinfo=no
3258       ;;
3259   esac
3260 fi
3261
3262
3263 ## Database Options
3264 ## ================
3265 echo
3266 echo "Database Options"
3267 echo "================"
3268
3269 dnl Database support
3270 dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
3271 dnl On FreeBSD, both DB and DBM are part of libc.
3272 dnl By default, we check for DBM support in libgdbm, then libc, then libdbm.
3273
3274 ## initialise values
3275 have_database_berkdb=no
3276 have_database_gdbm=no
3277 have_database_dbm=no
3278
3279 if test "$with_database_gdbm $with_database_dbm $with_database_berkdb" \
3280    != "no no no"; then
3281         AS_MESSAGE(checking for database support)
3282 fi
3283
3284 dnl Check for ndbm.h, required for either kind of DBM support.
3285 if test "$with_database_gdbm $with_database_dbm" != "no no"; then
3286         SXE_CHECK_NDBM
3287         if test "$sxe_cv_feat_ndbm" = "no"; then
3288                 have_database_gdbm="no"
3289                 have_database_dbm="no"
3290         fi
3291 fi
3292
3293 dnl Check for DBM support in libgdbm or libgdbm_compat.
3294 if test "$with_database_gdbm" != "no"; then
3295         SXE_CHECK_GDBM
3296
3297         if test "$sxe_cv_feat_gdbm" = "yes"; then
3298                 have_database_gdbm="yes"
3299         else
3300                 have_database_gdbm="no"
3301         fi
3302 fi
3303
3304 dnl Check for DBM support in libc and libdbm.
3305 if test "$with_database_dbm" != "no"; then
3306         SXE_CHECK_DBM
3307
3308         if test "$sxe_cv_feat_gdbm" != "yes" -a \
3309                 "$sxe_cv_feat_dbm" = "yes"; then
3310                 have_database_dbm="yes"
3311         else
3312                 have_database_dbm="no"
3313         fi
3314 fi
3315
3316 dnl Check for Berkeley DB.
3317 if test "$with_database_berkdb" != "no"; then
3318         SXE_CHECK_BERKDB
3319
3320         if test "$sxe_cv_feat_berkdb" = "yes"; then
3321                 have_database_berkdb="yes"
3322         else
3323                 have_database_berkdb="no"
3324         fi
3325 fi
3326
3327 if test "$have_database_gdbm $have_database_dbm $have_database_berkdb" \
3328      != "no no no"; then
3329         AC_DEFINE([HAVE_DATABASE], [1], [Description here!])
3330         SXE_ADD_DB_OBJS([database.o])
3331
3332         SXE_CHECK_NDBM_BERKDB_CONFLICT
3333         if test "$sxe_cv_db_ndbm_berkdb_conflict" = "yes"; then
3334                 ## can't do nothing because the way we designed it
3335                 ## is going to conflict at compile time
3336                 have_database_gdbm="no"
3337                 have_database_dbm="no"
3338
3339         elif test "$have_database_gdbm $have_database_dbm" != "no no"; then
3340                 AC_DEFINE([HAVE_DBM], [1], [Description here!])
3341
3342                 ## Also, tell make about the DBM support we detected.
3343                 if test -n "$libdbm"; then
3344                         SXE_PREPEND([$libdbm], [DB_LIBS])
3345                 fi
3346         fi
3347 fi
3348
3349
3350 dnl Autodetect LDAP
3351 if test "$with_ldap" != "no"; then
3352         SXE_CHECK_LDAP
3353 fi
3354 if test "$have_ldap" = "yes"; then
3355         AC_DEFINE([HAVE_LDAP], [1], [Description here!])
3356         SXE_ADD_DB_OBJS(eldap.o)
3357         if test "$have_ldap_des" = "yes" ; then
3358                 SXE_PREPEND(-ldes, DB_LIBS)
3359         fi
3360         if test "$have_ldap_krb" = "yes" ; then
3361                 SXE_PREPEND(-lkrb, DB_LIBS)
3362         fi
3363         if test "$have_ldap_lber" = "yes" ; then
3364                 SXE_PREPEND(-llber, DB_LIBS)
3365         fi
3366         SXE_PREPEND(-lldap, DB_LIBS)
3367
3368         dnl save our values until here
3369         save_LIBS="$LIBS"
3370         LIBS="$DB_LIBS $LIBS"
3371         AC_CHECK_FUNCS(
3372                 [ldap_set_option ldap_get_lderrno ldap_result2error ldap_parse_result])
3373         dnl and restore
3374         LIBS="$save_LIBS"
3375 fi
3376
3377 dnl Autodetect PostgreSQL
3378 if test "x$with_postgresql" != "xno"; then
3379         SXE_CHECK_POSTGRESQL
3380 fi
3381 SXE_SUBST_DB_OBJS
3382
3383
3384 dnl Usage tracking (undocumented and likely unused option)
3385 if test "$usage_tracking" = "yes"; then
3386   AC_DEFINE([USAGE_TRACKING], [1], [Description here!])
3387   SXE_PREPEND(-Bstatic -lut -Bdynamic, LIBS)
3388 fi
3389
3390 dnl Unfortunately, just because we can link doesn't mean we can run.
3391 dnl One of the above link tests may have succeeded but caused resulting
3392 dnl executables to fail to run.  Also any tests using AC_RUN_IFELSE will
3393 dnl have reported incorrect results.
3394 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int c,char *v[]){return 0;}]])],[:],[
3395   echo ""
3396   echo "*** PANIC *** The C compiler can no longer build working executables."
3397   echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
3398   echo "*** PANIC *** The most likely reason for this problem is that configure"
3399   echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
3400   echo "*** PANIC *** found at run time."
3401   echo "*** PANIC ***"
3402   echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
3403   echo "*** PANIC *** On other systems, try telling configure where to find the"
3404   echo "*** PANIC *** shared libraries using the --with-site-runtime-libraries option"
3405   echo "*** PANIC ***"
3406   echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
3407   echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
3408   echo "*** PANIC *** on your system.  Don't do that."
3409   exit 1], [AS_MESSAGE(cannot cross-compile)])
3410
3411 dnl Process support
3412 AC_DEFINE([HAVE_UNIX_PROCESSES], [1], [Description here!])
3413
3414 dnl --------------------------------
3415 dnl Compute SUBST-itutable variables
3416 dnl --------------------------------
3417
3418 dnl We ignore (C|LD)_SWITCH_X_(MACHINE|SYSTEM)
3419 dnl Use SXE_CONSECUTIVE_UNDUP instead of plain assignment statements to remove extraneous blanks
3420 if test "$with_module_support" = "yes"; then
3421         ld_libs_module=
3422 else
3423         SXE_CONSECUTIVE_UNDUP(ld_libs_module, $ldap_libs $postgresql_libs)
3424 fi
3425
3426 SXE_UNDUP(CFLAGS, $CFLAGS)
3427 SXE_UNDUP(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system $CFLAGS $CPPFLAGS)
3428 SXE_UNDUP(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
3429 SXE_UNDUP(c_switch_all, $c_switch_general $c_switch_window_system)
3430 SXE_UNDUP(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
3431 SXE_UNDUP(ld_switch_window_system, $ld_switch_x_site)
3432 SXE_UNDUP(ld_switch_all, $ld_switch_general $ld_switch_window_system)
3433 dnl Since some systems need libs to be restated later, we can't just dedup, we can only safely dedup
3434 dnl consecutive occurrences
3435 SXE_CONSECUTIVE_UNDUP(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
3436 SXE_CONSECUTIVE_UNDUP(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
3437 SXE_CONSECUTIVE_UNDUP(ld_libs_all, $OPENSSL_LIBS $DB_LIBS $ENT_LIBS $MM_LIBS $ld_libs_window_system $ld_libs_general $ld_libs_module)
3438
3439 dnl For no-module builds, make the src dir last
3440 if test "$with_module_support" = "no"; then
3441         SXE_APPEND(src, MAKE_SUBDIR)    dnl is that still important?
3442 fi
3443
3444 EMACS=$sxe_blddir/src/$PROGNAME
3445 AC_SUBST(EMACS)
3446
3447 dnl Compute lists of Makefiles and subdirs
3448 AC_SUBST(SRC_SUBDIR_DEPS)
3449 internal_makefile_list="Makefile.in"
3450 SUBDIR_MAKEFILES=''
3451 test -d lock || mkdir lock
3452 for dir in $MAKE_SUBDIR; do
3453   case "$dir" in */* ) dnl Implement mkdir -p
3454     ( for d in `echo $dir | sed 's:/: :g'` ; do
3455         test -d "$d" || mkdir "$d"; cd "$d"
3456       done ) ;;
3457    * ) test -d "$dir" || mkdir "$dir" ;;
3458   esac
3459   SXE_SPACE(SUBDIR_MAKEFILES, $SUBDIR_MAKEFILES $dir/Makefile $dir/Makefile)
3460   SXE_SPACE(internal_makefile_list, $internal_makefile_list $dir/Makefile.in)
3461 done
3462
3463 AC_SUBST(INSTALL_ARCH_DEP_SUBDIR)
3464 AC_SUBST(MAKE_SUBDIR)
3465 AC_SUBST(MAKE_AM_SUBDIR)
3466 AC_SUBST(SUBDIR_MAKEFILES)
3467
3468 dnl ----------------------------------------------
3469 dnl Create some auxiliary files for developers.
3470 dnl ----------------------------------------------
3471
3472 dnl Create a useful TAGS file
3473 if test -f "$sxe_srcdir/TAGS" -a ! -f "TAGS"; then
3474   test "$extra_verbose" = "yes" && echo "creating TAGS"
3475   echo "\f
3476 $sxe_srcdir/TAGS,include" > "TAGS"
3477 fi
3478
3479 dnl Create top level .sbinit for Sun compilers
3480 if test "$__SUNPRO_C" = "yes"; then
3481   test "$extra_verbose" = "yes" && echo "creating .sbinit"
3482   ( echo "# For use with Sun WorkShop's Source browser."
3483     echo "# See sbquery(1) and sbinit(4) for more information"
3484     for dir in $MAKE_SUBDIR; do echo "import $dir"; done
3485   ) > .sbinit
3486 fi
3487
3488 ### whether to build with profile.o
3489 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3490 int main(int c, char *v[])
3491 {
3492 #ifdef HAVE_SETITIMER
3493         return 1;
3494 #else
3495         return 0;
3496 #endif
3497 }]])], [./conftest; have_setitimer=$?],
3498         [have_setitimer=$?],[have_setitimer=0])
3499 AM_CONDITIONAL([HAVE_SETITIMER], [test "$have_setitimer" = "1"])
3500
3501 ## whether to build with sheap.o
3502 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3503 int main(int c, char *v[])
3504 {
3505 #if defined(HEAP_IN_DATA) && !defined(PDUMP)
3506         return 1;
3507 #else
3508         return 0;
3509 #endif
3510 }]])], [./conftest; build_sheap=$?],
3511         [build_sheap=$?],[build_sheap=0])
3512 AM_CONDITIONAL([BUILD_SHEAP], [test "$build_sheap" = "1"])
3513
3514
3515 dnl There are no more compile tests; remove the core they created.
3516 rm -f core
3517
3518 dnl --------------------------------------------------
3519 dnl Substitute into Makefile, config.h and sxe-paths.h
3520 dnl --------------------------------------------------
3521
3522 dnl what sort of things to edit into Makefile, config.h and sxe-paths.h
3523 dnl configuration here uncanonicalized to avoid exceeding size limits.
3524
3525 AC_SUBST(PROGNAME)
3526 AC_SUBST(MULE)
3527 AC_SUBST(HAVE_LIBFFI)
3528 AC_SUBST(version)
3529 AC_SUBST(VERSION)
3530 AC_SUBST(old_version)
3531 AC_SUBST(inststaticdir)
3532 AC_SUBST(instvardir)
3533 AC_SUBST(instvarsepdir)
3534 AC_SUBST(sxe_srcdir)
3535 AC_SUBST(emodsrcdir)
3536 AC_SUBST(sxe_blddir)
3537 AC_SUBST(emodblddir)
3538 AC_SUBST(bindir)
3539 AC_SUBST(datarootdir)
3540 AC_SUBST(datadir)
3541 AC_SUBST(statedir)
3542 AC_SUBST(libdir)
3543 AC_SUBST(mandir)
3544 AC_SUBST(extra_includes)
3545
3546 AC_SUBST(prefix)
3547 AC_SUBST(PREFIX_USER_DEFINED)
3548 dnl Yo, Stephen Bourne!  I want to marry you!
3549 PREFIX=$prefix
3550 while true; do
3551   case "$PREFIX" in
3552     *\$* ) eval "PREFIX=\"${PREFIX}\"" ;;
3553     *) break ;;
3554   esac
3555 done
3556 AC_SUBST(PREFIX)
3557
3558 AC_SUBST(exec_prefix)
3559 AC_SUBST(EXEC_PREFIX_USER_DEFINED)
3560 EXEC_PREFIX=$exec_prefix
3561 while true; do
3562   case "$EXEC_PREFIX" in
3563     *\$* ) eval "EXEC_PREFIX=\"${EXEC_PREFIX}\"" ;;
3564     *) break ;;
3565   esac
3566 done
3567 AC_SUBST(EXEC_PREFIX)
3568
3569 AC_SUBST(infodir)
3570 AC_SUBST(INFODIR_USER_DEFINED)
3571 INFODIR=$infodir
3572 while true; do
3573   case "$INFODIR" in
3574     *\$* ) eval "INFODIR=\"${INFODIR}\"" ;;
3575     *) break ;;
3576   esac
3577 done
3578 AC_SUBST(INFODIR)
3579
3580 AC_SUBST(infopath,$with_infopath)
3581 AC_SUBST(INFOPATH_USER_DEFINED)
3582 INFOPATH=$with_infopath
3583 while true; do
3584   case "$INFOPATH" in
3585     *\$* ) eval "INFOPATH=\"${INFOPATH}\"" ;;
3586     *) break ;;
3587   esac
3588 done
3589 AC_SUBST(INFOPATH)
3590
3591 if test -z "$with_module_path"; then
3592     with_module_path="~/.sxemacs/${configuration}/modules:${libdir}/${PROGNAME}/${configuration}/site-modules:${libdir}/${instvardir}/${configuration}/modules"
3593 fi
3594
3595 AC_SUBST(module_path,$with_module_path)
3596 AC_SUBST(MODULE_PATH_USER_DEFINED)
3597 MODULE_PATH=$with_module_path
3598 while true; do
3599   case "$MODULE_PATH" in
3600     *\$* ) eval "MODULE_PATH=\"${MODULE_PATH}\"" ;;
3601     *) break ;;
3602   esac
3603 done
3604 AC_SUBST(MODULE_PATH)
3605
3606 if test -z "$with_package_prefix" ; then
3607   with_package_prefix=${prefix}/share/sxemacs
3608 fi
3609
3610 if test -z "$with_package_path" && test -n "$with_package_prefix" ; then
3611   if test "$with_mule" = "yes" ; then
3612     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages:~/.sxemacs/mule-packages"
3613     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages:${with_package_prefix}/mule-packages"
3614   else
3615     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages"
3616     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages"
3617   fi
3618 fi
3619
3620 AC_SUBST(package_path,$with_package_path)
3621 AC_SUBST(PACKAGE_PATH_USER_DEFINED)
3622 PACKAGE_PATH=$with_package_path
3623 while true; do
3624   case "$PACKAGE_PATH" in
3625     *\$* ) eval "PACKAGE_PATH=\"${PACKAGE_PATH}\"" ;;
3626     *) break ;;
3627   esac
3628 done
3629 AC_SUBST(PACKAGE_PATH)
3630
3631 AC_SUBST(lispdir, $with_lispdir)
3632 AC_SUBST(LISPDIR_USER_DEFINED)
3633 LISPDIR=$with_lispdir
3634 while true; do
3635   case "$LISPDIR" in
3636     *\$* ) eval "LISPDIR=\"${LISPDIR}\"" ;;
3637     *) break ;;
3638   esac
3639 done
3640 AC_SUBST(LISPDIR)
3641
3642 AC_SUBST(moduledir,$with_moduledir)
3643 AC_SUBST(MODULEDIR_USER_DEFINED)
3644 MODULEDIR=$with_moduledir
3645 while true; do
3646   case "$MODULEDIR" in
3647     *\$* ) eval "MODULEDIR=\"${MODULEDIR}\"" ;;
3648     *) break ;;
3649   esac
3650 done
3651 AC_SUBST(MODULEDIR)
3652
3653 AC_SUBST([sitelispdir], [$with_sitelispdir])
3654 AC_SUBST([SITELISPDIR_USER_DEFINED])
3655 SITELISPDIR=$sitelispdir
3656 while true; do
3657   case "$SITELISPDIR" in
3658     *\$* ) eval "SITELISPDIR=\"${SITELISPDIR}\"" ;;
3659     *) break ;;
3660   esac
3661 done
3662 AC_SUBST(SITELISPDIR)
3663
3664 AC_SUBST(sitemoduledir,$with_sitemoduledir)
3665 AC_SUBST(SITEMODULEDIR_USER_DEFINED)
3666 SITEMODULEDIR=$with_sitemoduledir
3667 while true; do
3668   case "$SITEMODULEDIR" in
3669     *\$* ) eval "SITEMODULEDIR=\"${SITEMODULEDIR}\"" ;;
3670     *) break ;;
3671   esac
3672 done
3673 AC_SUBST(SITEMODULEDIR)
3674
3675 AC_SUBST(etcdir,$with_etcdir)
3676 AC_SUBST(ETCDIR_USER_DEFINED)
3677 ETCDIR=$with_etcdir
3678 while true; do
3679   case "$ETCDIR" in
3680     *\$* ) eval "ETCDIR=\"${ETCDIR}\"" ;;
3681     *) break ;;
3682   esac
3683 done
3684 AC_SUBST(ETCDIR)
3685
3686 AC_SUBST(archlibdir,$with_archlibdir)
3687 AC_SUBST(ARCHLIBDIR_USER_DEFINED)
3688 ARCHLIBDIR=$with_archlibdir
3689 while true; do
3690   case "$ARCHLIBDIR" in
3691     *\$* ) eval "ARCHLIBDIR=\"${ARCHLIBDIR}\"" ;;
3692     *) break ;;
3693   esac
3694 done
3695 AC_SUBST(ARCHLIBDIR)
3696
3697 AC_SUBST(docdir,$with_docdir)
3698 AC_SUBST(DOCDIR_USER_DEFINED)
3699 DOCDIR=$with_docdir
3700 while true; do
3701   case "$DOCDIR" in
3702     *\$* ) eval "DOCDIR=\"${DOCDIR}\"" ;;
3703     *) break ;;
3704   esac
3705 done
3706 AC_SUBST(DOCDIR)
3707
3708 AC_SUBST(docdir)
3709 AC_SUBST(bitmapdir)
3710
3711 dnl The following flags combine all the information from:
3712 dnl - command line options (user always gets priority)
3713 dnl - user environment variables
3714 dnl - determined by configure
3715 dnl - the s&m header files (required for ellcc)
3716 AC_SUBST(machfile)
3717 AC_SUBST(opsysfile)
3718 AC_SUBST(c_switch_general)
3719 AC_SUBST(c_switch_window_system)
3720 AC_SUBST(c_switch_all)
3721 AC_SUBST(ld_switch_general)
3722 AC_SUBST(ld_switch_window_system)
3723 AC_SUBST(ld_switch_all)
3724 AC_SUBST(ld_libs_general)
3725 AC_SUBST(ld_libs_window_system)
3726 AC_SUBST(ld_libs_all)
3727 AC_SUBST(CFLAGS)
3728 AC_SUBST(CPPFLAGS)
3729 AC_SUBST(LDFLAGS)
3730 RECURSIVE_MAKE_ARGS="\$(MFLAGS) CC='\$(CC)' CFLAGS='\$(CFLAGS)' LDFLAGS='\$(LDFLAGS)' CPPFLAGS='\$(CPPFLAGS)'"
3731 if test -z "$MAKE"; then
3732         MAKE=make
3733 fi
3734 case `$MAKE --version 2>/dev/null` in
3735    GNU\ Make*)
3736         AM_MAKEFLAGS="-w $AM_MAKEFLAGS"
3737         RECURSIVE_MAKE_ARGS="-w $RECURSIVE_MAKE_ARGS"
3738    ;;
3739    *)
3740         echo ===================================
3741         echo $MAKE does not seem to be GNU Make
3742         echo If you find makefile errors please try using GNU Make as some
3743         echo autoconf constructs may not be proper for your make variant
3744         echo ===================================
3745    ;;
3746 esac
3747 AC_SUBST(RECURSIVE_MAKE_ARGS)
3748 AC_SUBST(AM_MAKEFLAGS)
3749
3750 AC_SUBST(sound_cflags)
3751 AC_SUBST(AR)
3752 AC_SUBST(RANLIB)
3753
3754 AC_SUBST(SXEMACS_CC)
3755 AC_SUBST(SXE_CFLAGS)
3756
3757 SXE_SUBST_CORE_OBJS()
3758
3759 SXE_SUBST_CRUFT_OBJS
3760
3761 dnl The default is yes
3762 if test "$with_prefix" = "yes"; then
3763   AC_DEFINE([PREFIX_USER_DEFINED], [1], [Description here!])
3764 fi
3765
3766 dnl Should this stay even though --with-site-modules is no longer an
3767 dnl option?  It is used in emacs.c for when the -no-site-modules cmd line
3768 dnl opt is used.  That cmd line opt definitely has usefullness.  Sebastian?
3769 dnl --SY.
3770 dnl The default is yes
3771 if test "$with_site_modules" = "no"; then
3772   AC_DEFINE([INHIBIT_SITE_MODULES], [1], [Description here!])
3773 fi
3774
3775 dnl SXE_SPACE(ac_configure_args, $ac_configure_args)
3776 AC_DEFINE_UNQUOTED([EMACS_CONFIGURATION], ["$ac_cv_build"], [Description here!])
3777 AC_DEFINE_UNQUOTED([EMACS_CONFIG_OPTIONS], ["$ac_configure_args"], [Description here!])
3778
3779 AC_SUBST([srcdir_equals_blddir_p])
3780
3781 dnl Following are deprecated
3782 null_string=""
3783 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE], [$null_string], [Description here!])
3784 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE_AUX], [$null_string], [Description here!])
3785 AC_DEFINE_UNQUOTED([C_SWITCH_X_SITE], [$null_string], [Description here!])
3786 AC_DEFINE_UNQUOTED([LD_SWITCH_SITE], [$null_string], [Description here!])
3787 AC_DEFINE_UNQUOTED([C_SWITCH_SITE], [$null_string], [Description here!])
3788
3789 dnl Note: as a general rule, *only* define things here that are not
3790 dnl autodetected.  For things that are autodetected, define them
3791 dnl at the point where the autodetection occurs or would occur,
3792 dnl so that the user gets immediate feedback on the results of the
3793 dnl autodetection.
3794
3795 if test "$GNU_MALLOC" = "yes"; then
3796         AC_DEFINE([GNU_MALLOC], [1], [Description here!])
3797         SXE_ADD_MEMALLOC_OBJS(vm-limit.o)
3798         if test "$doug_lea_malloc" != "yes"; then
3799                 SXE_ADD_MEMALLOC_OBJS(gmalloc.o)
3800         fi
3801         if test "$with_error_checking_malloc" = "yes"; then
3802                 dnl SXE_ADD_MEMALLOC_OBJS(free-hook.o)
3803                 :
3804         fi
3805 elif test "$with_system_malloc" = "yes" -o "$system_malloc" = "yes"; then
3806         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3807         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3808 elif test "$with_debug_malloc"  = "yes"; then
3809         AC_DEFINE([USE_DEBUG_MALLOC], [1], [Description here!])
3810         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3811         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3812         SXE_APPEND(-ldmalloc, MEMALLOC_LIBS)
3813 else
3814         SXE_ADD_MEMALLOC_OBJS([malloc.o])
3815 fi
3816 test "$GCC" = "yes" && \
3817         AC_DEFINE([USE_GCC], [1], [Description here!])
3818 test "$with_external_widget" = "yes" && \
3819         AC_DEFINE([EXTERNAL_WIDGET], [1], [Description here!])
3820 test "$with_quick_build" = "yes" && \
3821         AC_DEFINE([QUICK_BUILD], [1], [Description here!])
3822 if test "$with_purify" = "yes"; then
3823         AC_DEFINE([PURIFY], [1], [Description here!])
3824         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3825 fi
3826 if test "$with_quantify" = "yes"; then
3827         AC_DEFINE([QUANTIFY], [1], [Description here!])
3828         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3829 fi
3830 test "$with_pop" = "yes" && \
3831         AC_DEFINE([MAIL_USE_POP], [1], [Description here!])
3832 test "$with_hesiod" = "yes" && \
3833         AC_DEFINE([HESIOD], [1], [Description here!])
3834 test "$with_regex_malloc" = "yes" && \
3835         AC_DEFINE([REGEX_MALLOC], [1], [Description here!])
3836 test "$with_ipv6_cname" = "yes" && \
3837         AC_DEFINE([IPV6_CANONICALIZE], [1], [Description here!])
3838 if test "$with_pdump" = "yes"; then
3839         AC_DEFINE([PDUMP], [1], [Description here!])    dnl deprecated!
3840         AC_DEFINE([WITH_PDUMP], [1], [Description here!])
3841 fi
3842
3843 AM_CONDITIONAL([WITH_EXTW], [test "$with_external_widget" = "yes"])
3844 AM_CONDITIONAL([WITH_PDUMP], [test "$with_pdump" = "yes"])
3845 AC_SUBST([MEMALLOC_LIBS])
3846 SXE_SUBST_MEMALLOC_OBJS
3847
3848
3849 AC_DEFINE_UNQUOTED([USER_FULL_NAME], [pw->pw_gecos], [dnl
3850         USER_FULL_NAME returns a string that is the user's full name.
3851         It can assume that the variable `pw' points to the password file
3852         entry for this user.
3853
3854         At some sites, the pw_gecos field contains the user's full name.
3855         If neither this nor any other field contains the right thing, use
3856         pw_name, giving the user's login name, since that is better than
3857         nothing.])
3858
3859 AC_DEFINE([SIGTYPE], [RETSIGTYPE], [SIGTYPE is the macro we actually use])
3860 AC_DEFINE([SIGRETURN], [return], [SIGTYPE is the macro we actually use])
3861
3862 ## finally, redefine VERSION; this has to be done after all tests on C sources
3863 ## were run because otherwise the symbol VERSION would be defined twice and
3864 ## the C compiler would warn, sigh, and due to this stupid -Werror flag we ...
3865 ## tadadada ... will fail to run _any_ C test successfully
3866 AC_DEFINE_UNQUOTED([VERSION], ["$version"], [Version of SXEmacs.])
3867
3868 AH_TOP([
3869 #ifndef INCLUDED_sxe_config_h_
3870 #define INCLUDED_sxe_config_h_
3871
3872 #ifndef NOT_C_CODE
3873 #if defined (__GNUC__)
3874 #define alloca __builtin_alloca
3875 #elif defined __DECC
3876 #include <alloca.h>
3877 #pragma intrinsic(alloca)
3878 #elif defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3879 /* defer #include to end of file */
3880 #elif defined HAVE_ALLOCA_H
3881 #include <alloca.h>
3882 #elif defined(_AIX)
3883 #pragma alloca
3884 #elif ! defined (alloca)
3885 void *alloca();
3886 #endif
3887 #endif  /* C code */
3888 ])
3889
3890 AH_BOTTOM([
3891 /* The configuration script may define `opsysfile' to be the name of
3892    the s/...h file that describes your operating system.
3893    The file name is chosen based on the configuration name. */
3894
3895 #ifdef config_opsysfile
3896 #include config_opsysfile
3897 #endif
3898
3899 /* The configuration script may define `machfile' to be the name of
3900    the m/...h file that describes the machine you are using.
3901    The file name is chosen based on the configuration name. */
3902
3903 #ifdef config_machfile
3904 #include config_machfile
3905 #endif
3906
3907 /* basic system calls */
3908 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3909 # define ENCAPSULATE_READ
3910 # define ENCAPSULATE_WRITE
3911 #endif
3912 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3913 # define ENCAPSULATE_OPEN
3914 #endif
3915 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3916 # define ENCAPSULATE_CLOSE
3917 #endif
3918 /* stdio calls */
3919 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3920 # define ENCAPSULATE_FREAD
3921 # define ENCAPSULATE_FWRITE
3922 #endif
3923 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3924 # define ENCAPSULATE_FOPEN
3925 #endif
3926 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3927 # define ENCAPSULATE_FCLOSE
3928 #endif
3929
3930 #if defined (HAVE_SOCKS) && !defined (DO_NOT_SOCKSIFY)
3931 #define accept Raccept
3932 #define bind Rbind
3933 #define connect Rconnect
3934 #define getsockname Rgetsockname
3935 #define listen Rlisten
3936 #endif                          /* HAVE_SOCKS && !DO_NOT_SOCKSIFY */
3937
3938 #ifndef NOT_C_CODE              /* Actually means C or C++ */
3939 # if defined (__cplusplus)
3940 /* Avoid C++ keywords used as ordinary C identifiers */
3941 #  define class c_class
3942 #  define new   c_new
3943 #  define this  c_this
3944 #  define catch c_catch
3945 #  define EXTERN_C extern "C"
3946 # else                          /* C code */
3947 #  define EXTERN_C extern
3948 # endif
3949 #endif                          /* C or C++ */
3950 /* Strictly speaking, only int or unsigned int are valid types in a
3951    bitfield.  In practice, we would like to use enums as bitfields.
3952    The following should just result in warning avoidance:
3953    warning: nonportable bit-field type */
3954 #ifdef __GNUC__
3955 #define enum_field(enumeration_type) enum enumeration_type
3956 #else
3957 #define enum_field(enumeration_type) unsigned int
3958 #endif
3959
3960 #ifndef NOT_C_CODE
3961 #if defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3962 /* icc's alloca.h pulls in <features.h>,
3963    but that must be done after _GNU_SOURCE and friends are defined */
3964 #include <alloca.h>
3965 #endif
3966 #endif                          /* C code */
3967
3968 #endif  /* INCLUDED_sxe_config_h_ */
3969 ])
3970
3971
3972 dnl -------------------------------------------------------------------------
3973 dnl -------------------------------
3974 dnl Report on what we decided to do
3975 dnl -------------------------------
3976
3977 dnl #### We should tag this as the _build_ environment.
3978 dnl Before doing that, though, must check if tools care about line 1.
3979
3980 (
3981 dnl /etc/osversion is on SONY NEWS-OS
3982 if test -f /etc/osversion; then dnl SONY NEWS-OS
3983   echo "osversion: `cat /etc/osversion`"
3984 else
3985   echo "uname -a: `uname -a`"
3986 fi
3987 echo ""
3988 echo "$0 $ac_configure_args"
3989 ) > Installation
3990
3991 if test ! -z ${emacs_beta_version} ; then
3992   if test -z "${emacs_is_beta}" ; then
3993         sxemacs_betaname=".${emacs_beta_version}"
3994   else
3995         sxemacs_betaname="-b${emacs_beta_version}"
3996   fi
3997 else
3998   sxemacs_betaname=""
3999 fi
4000
4001 dnl -----------------
4002 dnl Talking LFSL now!
4003 dnl -----------------
4004
4005 dnl -----------------------------------
4006 dnl Now generate config.h and Makefiles
4007 dnl -----------------------------------
4008
4009 dnl This has to be called in order for this variable to get into config.status
4010 AC_SUBST([internal_makefile_list])
4011 # Remove any trailing slashes in these variables.
4012 if test -n "$prefix"; then
4013         prefix=`echo '' "$prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4014 fi
4015 if test -n "$exec_prefix"; then
4016         exec_prefix=`echo '' "$exec_prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4017 fi
4018
4019 make_ifeq="ifeq"
4020 make_endif="endif"
4021 make_else="else"
4022 AC_SUBST([make_ifeq])
4023 AC_SUBST([make_endif])
4024 AC_SUBST([make_else])
4025
4026 dnl Coupla things needed for subst'ing into the sxemacs.desktop file
4027 ABS_PROGNAME=${prefix}/bin/${PROGNAME}
4028 ABS_ETCDIR=${ETCDIR}
4029 SXE_CANONICALISE_PATH([ABS_PROGNAME])
4030 SXE_CANONICALISE_PATH([ABS_ETCDIR])
4031 AC_SUBST([ABS_PROGNAME])
4032 AC_SUBST([ABS_ETCDIR])
4033
4034 AC_CONFIG_FILES([src/sxe-paths.h])
4035 AC_CONFIG_FILES([Makefile])
4036 AC_CONFIG_FILES([lib-src/Makefile])
4037 AC_CONFIG_FILES([src/Makefile])
4038 AC_CONFIG_FILES([src/ui/Makefile])
4039 AC_CONFIG_FILES([src/ui/TTY/Makefile])
4040 AC_CONFIG_FILES([src/ui/lwlib/Makefile])
4041 AC_CONFIG_FILES([src/ui/X11/Makefile])
4042 AC_CONFIG_FILES([src/events/Makefile])
4043 AC_CONFIG_FILES([src/ent/Makefile])
4044 AC_CONFIG_FILES([src/media/Makefile])
4045 AC_CONFIG_FILES([src/mem/Makefile])
4046 AC_CONFIG_FILES([src/database/Makefile])
4047 AC_CONFIG_FILES([src/mule/Makefile])
4048 AC_CONFIG_FILES([src/.gdbinit:src/gdbinit])
4049 AC_CONFIG_FILES([src/.dbxrc:src/dbxrc])
4050 AC_CONFIG_FILES([lisp/Makefile])
4051 AC_CONFIG_FILES([info/Makefile])
4052 AC_CONFIG_FILES([tests/Makefile])
4053 AC_CONFIG_FILES([modules/Makefile])
4054 AC_CONFIG_FILES([etc/Makefile])
4055 AC_CONFIG_FILES([etc/sxemacs.desktop])
4056 AC_CONFIG_FILES([sxemacs.pc])
4057 AC_CONFIG_LINKS([.sxemacs.source.tree:])
4058
4059 AC_OUTPUT
4060 SXE_SUMMARY