Merge branch 'master' of ssh://dio.dreamhost.com/~/repos.nelsonferreira.com/git/sxema...
[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([curses],
555         AS_HELP_STRING([--with-curses],
556                 [Use the curses library for tty support.]),
557         [auto], [Autodetect])
558
559 OG_ARG_WITH([terminfo],
560         AS_HELP_STRING([--with-terminfo],
561                 [Use the terminfo library for tty support.]),
562         [auto], [Autodetect])
563
564 OG_ARG_WITH([termlib],
565         AS_HELP_STRING([--with-termlib],
566                 [Use the termlib library for tty support.]),
567         [auto], [Autodetect])
568
569 OG_ARG_WITH([termcap],
570         AS_HELP_STRING([--with-termcap],
571                 [Use the termcap library for tty support.]),
572         [auto], [Autodetect])
573
574
575 OG_ARG_WITH([gpm],
576         AS_HELP_STRING([--with-gpm],
577                 [Compile in GPM mouse support for ttys.]),
578         [auto], [Autodetect])
579
580
581 dnl Database Options
582 dnl ================
583 OG_OPTION_GROUP(Database options)
584
585 OG_MULTIARG_WITH([database], [dnl
586         AS_HELP_STRING([--with-database=TYPE],
587                 [Compile with database support.])],
588         [auto], [Autodetect], [dnl
589         OG_MULTIARG_ITEM([berkdb], [berkdb], [Berkeley DB support])
590         OG_MULTIARG_ITEM([dbm], [dbm], [DBM database support])
591         OG_MULTIARG_ITEM([gdbm], [gdbm], [GNU DBM support])
592 ])
593
594 OG_ARG_WITH([ldap],
595         AS_HELP_STRING([--with-ldap],
596                 [Compile with support for the LDAP protocol.]),
597         [no], [NO])
598
599 OG_ARG_WITH([postgresql],
600         AS_HELP_STRING([--with-postgresql],
601                 [Compile with support for the PostgreSQL RDBMS.]),
602         [yes], [Autodetect])
603
604
605 dnl Multimedia Options
606 dnl ==================
607 OG_OPTION_GROUP(Multimedia options)
608
609 OG_MULTIARG_WITH([image], [dnl
610         AS_HELP_STRING([--with-image=TYPE],
611                 [Compile with image support.])],
612         [auto], [Autodetect all image support], [dnl
613         OG_MULTIARG_ITEM([gif], [GIF], [GIF image format])
614         OG_MULTIARG_ITEM([xpm], [XPM], [X PixMap image format])
615         OG_MULTIARG_ITEM([png], [PNG], [Portable Network Graphic format])
616         OG_MULTIARG_ITEM([jpeg], [JPEG], [jpeg image format])
617         OG_MULTIARG_ITEM([tiff], [TIFF], [TIFF image format])
618         OG_MULTIARG_ITEM([xface], [xface], [base64 encoded xbm])
619 ])
620
621 OG_MULTIARG_WITH([sound], [dnl
622         AS_HELP_STRING([--with-sound=TYPE],
623                 [Compile with sound support.])],
624         [auto], [Autodetect all sound support (except Pulse)], [dnl
625         OG_MULTIARG_ITEM([alsa], [ALSA], [kernel-based linux sound standard])
626         OG_MULTIARG_ITEM([ao], [ao], [generic audio output layer])
627         OG_MULTIARG_ITEM([esd], [ESD], [Enlightenment Sound Daemon])
628         OG_MULTIARG_ITEM([jack], [Jack], [a low-latency audio server])
629         OG_MULTIARG_ITEM([nas], [NAS], [Network Audio System])
630         OG_MULTIARG_ITEM([oss], [OSS], [Open Sound System])
631 ])
632
633 OG_ARG_WITH([pulseaudio],
634         AS_HELP_STRING([--with-pulseaudio],
635                 [Compile with support for the PulseAudio audio server.
636                 This has been turned off by default because of too many
637                 bugs in recent versions of PA.  Use at your own risk,
638                 YMMV, and all that.]),
639         [no], [NO])
640
641 OG_MULTIARG_WITH([media], [dnl
642         AS_HELP_STRING([--with-media=TYPE],
643                 [Compile with media stream support.])],
644         [auto], [Autodetect all media stream support libraries], [dnl
645         OG_MULTIARG_ITEM([ffmpeg], [FFmpeg], [media streams handled by ffmpeg])
646         OG_MULTIARG_ITEM([internal], [internal], [media streams handled internally])
647         OG_MULTIARG_ITEM([mad], [Mad], [media streams handled by mad])
648         OG_MULTIARG_ITEM([sndfile], [sndfile], [media streams handled by sndfile])
649         OG_MULTIARG_ITEM([sox], [SoX], [media streams handled by sox])
650         OG_MULTIARG_ITEM([magic], [magic], [file/libmagic support])
651 ])
652
653
654 dnl Cryptography Options
655 dnl ====================
656 OG_OPTION_GROUP(Cryptography options)
657
658 OG_ARG_WITH([openssl],
659         AS_HELP_STRING([--with-openssl],
660                 [Compile in experimental support for
661                 OpenSSL libcrypto and libssl.]),
662         [yes], [YES])
663
664 OG_ARG_WITH([gnutls],
665         AS_HELP_STRING([--with-gnutls],
666                 [Compile in experimental support for
667                 GnuTLS transport security.]),
668         [no], [NO])
669
670
671 dnl Networking Options
672 dnl ==================
673 OG_OPTION_GROUP(Networking options)
674
675 OG_ARG_WITH([dnet],
676         AS_HELP_STRING([--with-dnet],
677                 [Compile with support for DECnet.]),
678         [no], [NO])
679
680 OG_ARG_WITH([socks],
681         AS_HELP_STRING([--with-socks],
682                 [Compile with support for SOCKS (an Internet proxy).]),
683         [auto], [Autodetect])
684
685 OG_ARG_WITH([ipv6-cname],
686         AS_HELP_STRING([--with-ipv6-cname],
687                 [Try IPv6 information first when canonicalizing host names.
688                 This option has no effect unless system supports
689                 getaddrinfo(3) and getnameinfo(3).]),
690         [no], [NO])
691
692 OG_ARG_WITH([pop],
693         AS_HELP_STRING([--with-pop],
694                 [Support POP for mail retrieval.]),
695         [no], [NO])
696
697 OG_ARG_WITH([kerberos],
698         AS_HELP_STRING([--with-kerberos],
699                 [Support Kerberos-authenticated POP.]),
700         [no], [NO])
701
702 OG_ARG_WITH([hesiod],
703         AS_HELP_STRING([--with-hesiod],
704                 [Support Hesiod to get the POP server host.]),
705         [no], [NO])
706
707
708 dnl File-related Options
709 dnl ====================
710 OG_OPTION_GROUP(File-related options)
711
712 OG_ARG_WITH([clash-detection],
713         AS_HELP_STRING([--with-clash-detection],
714                 [Use lock files to detect multiple edits
715                 of the same file.]),
716         [no], [NO])
717
718 OG_ARG_WITH([mail-locking],
719         AS_HELP_STRING([--with-mail-locking=TYPE],
720                 [Specify the locking to be used by movemail to prevent
721                 concurrent updates of mail spool files. Valid types
722                 are `lockf'  `flock'  `file'  `locking'  `pop' or `mmdf'.]),
723         [auto], [Autodetect], [lockf flock file locking mmdf pop no])
724
725
726 dnl Internationalisation Options
727 dnl ============================
728 OG_OPTION_GROUP(Internationalisation options)
729
730 OG_ARG_WITH([mule],
731         AS_HELP_STRING([--with-mule],
732                 [Compile with Mule (MUlti-Lingual Emacs) support
733                 needed to support non-Latin-1 (including Asian)
734                 languages.]),
735         [yes], [YES])
736
737 OG_ARG_WITH([canna],
738         AS_HELP_STRING([--with-canna],
739                 [Compile with support for Canna (a Japanese input method
740                 used in conjunction with Mule support).]),
741         [auto], [Autodetect when Mule is enabled])
742
743 OG_ARG_WITH([wnn],
744         AS_HELP_STRING([--with-wnn],
745                 [Compile with support for Wnn (a multi-language input
746                 method used in conjunction with Mule support).]),
747         [auto], [Autodetect when Mule is enabled])
748
749 OG_ARG_WITH([wnn6],
750         AS_HELP_STRING([--with-wnn6],
751                 [Compile with support for the commercial package Wnn6.]),
752         [auto], [Autodetect when Mule is enabled])
753
754
755
756 dnl dnl Other Options
757 dnl dnl =============
758 dnl OG_OPTION_GROUP(Other options)
759 dnl
760
761 ## -------------------------------------------------------------------------
762 ## Check for users who regularly forget about running autoconf
763 ## -------------------------------------------------------------------------
764 if test -f $0.ac -a $0.ac -nt $0; then
765         AC_MSG_ERROR([What are you doing? RUN autoreconf NOW!!!])
766 fi
767
768 #
769 # Turn off core generation. We are already verifying the program fails, no need
770 # poluting the workspace. Of course if you are a SXEmacs developer you may want
771 # to comemnt this on occasion :-)
772 ulimit -c 0
773
774 ## initialise our nestable msg funs
775 SXE_INIT_MSG_LEVEL
776
777 dnl Small snippet to make echo -n work on solaris
778 ECHO_N= ECHO_C=
779 case `echo -n x` in
780 -n*)
781         case `echo 'x\c'` in
782         *c*)
783                 ;;
784         *)
785                 ECHO_C='\c'
786                 ;;
787         esac
788         ;;
789 *)
790         ECHO_N='-n'
791         ;;
792 esac
793
794
795 echo
796 echo "Preparing the build chain"
797 echo "========================="
798
799 ## We should brag about ourselves, no?
800 AC_DEFINE([XEMACS], [1], [Pretend to be an XEmacs])
801 AC_DEFINE([SXEMACS], [1], [Why not? It's the truth!])
802
803 dnl -------------------------------------------------------------------------
804 dnl Command line argument processing.
805 dnl -------------------------------------------------------------------------
806 dnl Check for bogus options
807 dnl -------------------------------------------------------------------------
808 SXE_CHECK_COMMAND_LINE
809
810 AM_INIT_AUTOMAKE([foreign -Wall])
811 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
812 SXE_CHECK_BUILDCHAIN
813 AC_SUBST(EGREP)
814
815 progname=$0
816 progbasename=$(basename $progname)
817 progdirname=$(dirname $progname)
818
819 ## Build Options
820 ## =============
821
822 echo
823 echo "Build and System Specific Options"
824 echo "================================="
825
826 SXE_EXPLORE_BUILD_ENVIRONMENT
827
828 dnl ----------------------------------------
829 dnl Find out which version of SXEmacs this is
830 dnl ----------------------------------------
831 AC_CHECK_PROG([have_git], [git], [yes], [no])
832 AC_MSG_CHECKING([for SXEmacs version])
833 AC_MSG_RESULT([SXEmacs SXEM4CS_VERSION])
834 dnl Must do the following first to determine verbosity for AC_DEFINE
835 if test -n "[]SXEM4CS_BETA_P[]"; then
836         beta=yes
837 else
838         beta=no
839 fi
840 : "${extra_verbose=$beta}"
841
842 AC_MSG_CHECKING([for SXEmacs patchlevel])
843 CURDIR=$(pwd)
844 cd "$sxe_srcdir"
845 if test "$have_git" = "yes"; then
846         sxemacs_git_version="$(git describe | head -1)"
847 fi
848 if test -z "$sxemacs_git_version" ; then
849         sxemacs_git_version="[]SXEM4CS_GIT_VERSION[]"
850 fi
851 AC_MSG_RESULT([$sxemacs_git_version])
852 version="$sxemacs_git_version"
853 cd "$CURDIR"
854 main_version="$sxemacs_git_version"
855 AC_DEFINE_UNQUOTED([EMACS_MAJOR_VERSION], [SXEM4CS_MAJOR_VERSION], [Description here!])
856 AC_DEFINE_UNQUOTED([EMACS_MINOR_VERSION], [SXEM4CS_MINOR_VERSION], [Description here!])
857 old_version=[]SXEM4CS_VERSION[]
858 if test -n "[]SXEM4CS_BETA_VERSION[]"; then
859         AC_MSG_CHECKING([if we are a beta version])
860         if test "$beta" = "yes"; then
861                 AC_MSG_RESULT([yes])
862                 AC_DEFINE_UNQUOTED([EMACS_BETA_VERSION], [SXEM4CS_BETA_VERSION],
863                         [Description here!])
864         else
865                 AC_MSG_RESULT([no])
866                 AC_DEFINE_UNQUOTED([EMACS_PATCH_LEVEL], [SXEM4CS_BETA_VERSION],
867                         [Description here!])
868         fi
869 fi
870 AC_DEFINE_UNQUOTED([SXEMACS_CODENAME], ["[]SXEM4CS_CODENAME[]"], [Description here!])
871 AC_DEFINE_UNQUOTED([EMACS_VERSION], ["$version"], [Description here!])
872 AC_DEFINE_UNQUOTED([SXEMACS_GIT_VERSION], ["$sxemacs_git_version"],
873         [Description here!])
874
875 PROGNAME=sxemacs
876
877 AC_DEFINE_UNQUOTED([EMACS_PROGNAME], ["$PROGNAME"], [Description here!])
878
879 ## build stuff in lib-src unconditionally
880 SXE_APPEND([lib-src], [MAKE_SUBDIR])
881 SXE_APPEND([lib-src], [INSTALL_ARCH_DEP_SUBDIR])
882
883 ## C compiler build chain
884 AC_USE_SYSTEM_EXTENSIONS
885 AC_LANG([C])
886 AS_MESSAGE([Let's look for the entire C build chain])
887 SXE_CHECK_CC
888 SXE_CHECK_CFLAGS
889
890 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
891
892 ## check machine chars
893 AS_MESSAGE([Let's have a detailed glance at your machine])
894 SXE_PROC_CPUID
895 SXE_PROC_VENDORID
896 SXE_NPROCESSORS
897 SXE_CHECK_PROC_GOODNESS
898
899
900 ## Debugging Options
901 ## =================
902 ## echo
903 ## echo "Debugging Options"
904 ## echo "================="
905
906 dnl ----------------------------------
907 dnl Error checking and debugging flags
908 dnl ----------------------------------
909 dnl Error checking default to "yes" in beta versions, to "no" in releases.
910 dnl Same goes for --enable-debug and --extra-verbosity.
911 if test "$with_error_checking_extents" = yes; then
912         have_error_checking_extents="yes"
913         AC_DEFINE([ERROR_CHECK_EXTENTS], [1], [Description here!])
914         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
915 fi
916 if test "$with_error_checking_types" = yes; then
917         have_error_checking_types="yes"
918         AC_DEFINE([ERROR_CHECK_TYPECHECK], [1], [Description here!])
919         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)],
920                 [assert (assertion)], [
921                 Make sure that all X... macros are dereferencing the correct type,
922                 and that all XSET... macros (as much as possible) are setting the
923                 correct type of structure.  Highly recommended for all
924                 development work.])
925         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
926 else
927         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)], [], [])
928 fi
929 if test "$with_error_checking_bufpos" = yes; then
930         have_error_checking_bufpos="yes"
931         AC_DEFINE([ERROR_CHECK_BUFPOS], [1], [Description here!])
932         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)],
933                 [assert (assertion)], [dnl
934                 Make sure valid buffer positions are passed to BUF_* macros])
935         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
936 else
937         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)], [], [])
938 fi
939 if test "$with_error_checking_gc" = yes; then
940         have_error_checking_gc="yes"
941         AC_DEFINE([ERROR_CHECK_GC], [1], [Description here!])
942         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)],
943                 [assert (assertion)], [dnl
944                 Attempt to catch bugs related to garbage collection
945                 (e.g. not GCPRO'ing)])
946         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
947 else
948         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)], [], [])
949 fi
950 if test "$with_error_checking_malloc" = yes; then
951         have_error_checking_malloc="yes"
952         AC_DEFINE([ERROR_CHECK_MALLOC], [1], [Description here!])
953         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
954 fi
955 if test "$with_error_checking_byte_code"  = yes; then
956         have_error_checking_byte_code="yes"
957         AC_DEFINE([ERROR_CHECK_BYTE_CODE], [1], [Description here!])
958         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
959 fi
960 if test "$with_error_checking_glyphs" = yes; then
961         have_error_checking_glyphs="yes"
962         AC_DEFINE([ERROR_CHECK_GLYPHS], [1], [Description here!])
963         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
964 fi
965
966 dnl enable_debug=yes must be set when error checking is present.  This should be
967 dnl fixed up.
968 dnl with_debug implies other options
969 if test "${with_debug:=$beta}" = "yes"; then
970         with_memory_usage_stats=yes
971         SXE_ADD_CRUFT_OBJS([debug.o])
972         SXE_ADD_CRUFT_OBJS([tests.o])
973         AC_DEFINE([DEBUG_SXEMACS], [1], [Description here!])
974 fi
975 if test "$with_memory_usage_stats" = "yes"; then
976         AC_DEFINE([MEMORY_USAGE_STATS], [1], [Description here!])
977 fi
978
979
980
981 dnl --------------------------------------------------------------
982 dnl $opsys detection complete; defaults depending on $opsys follow
983 dnl --------------------------------------------------------------
984
985
986 dnl --------------------------------------------------------------
987 dnl WooHoo! pdump is ON always and everywhere! --SY.
988 dnl --------------------------------------------------------------
989 with_pdump=yes
990
991 if test "$with_dynamic" != "no"; then
992         case "$opsys" in
993         hpux* | sunos4* )
994                 with_dynamic=no
995                 ;;
996         *)
997                 with_dynamic=yes
998                 ;;
999         esac
1000 fi
1001 if test "$with_dynamic" = "yes"; then
1002         case "$opsys" in
1003         hpux* | sunos4* | sco5 )
1004                 opsys="${opsys}-shr"
1005                 ;;
1006         decosf* )
1007                 ld_call_shared="-call_shared"
1008                 ;;
1009         darwin* )
1010                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1011                 if test "x$have_ld_no_pie" != "x"; then
1012                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1013                 fi
1014                 ;;
1015         esac
1016 else dnl "$with_dynamic" = "no"
1017         case "$opsys" in
1018         sol2 )
1019                 echo "Static linking is not supported on Solaris 2."
1020                 echo "Rerun configure without specifying --without-dynamic."
1021                 exit 1
1022                 ;;
1023         linux )
1024                 ld_call_shared="-Bstatic"
1025                 ;;
1026         decosf* )
1027                 ld_call_shared="-non_shared"
1028                 ;;
1029         darwin* )
1030                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1031                 if test "x$have_ld_no_pie" != "x"; then
1032                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1033                 fi
1034                 ;;
1035         esac
1036 fi
1037
1038 dnl Tools configuration
1039 case "$opsys" in
1040 aix* )
1041         NON_GNU_CC=xlc
1042         ;;      dnl Use xlc by default on AIX
1043 darwin )
1044         RANLIB="ranlib -c"
1045         ;;  dnl Avoid link error in lwlib-config.c
1046         ## this needs rework I think because RANLIB is provided by LT_INIT anyway
1047 esac
1048
1049 stack_trace_eye_catcher=\
1050 `echo ${PROGNAME}_${version}_${ac_cv_build} | sed 'y!@/.-!____!'`
1051 AC_DEFINE_UNQUOTED([STACK_TRACE_EYE_CATCHER], [$stack_trace_eye_catcher],
1052         [Just a very looong string to make traces more readable.])
1053
1054 dnl --------------------------------------------------
1055 dnl Determine the compiler, set up for feature testing
1056 dnl --------------------------------------------------
1057
1058 if test "$with_clash_detection" != "no"; then
1059         AC_DEFINE([CLASH_DETECTION], [1], [Description here!])
1060         SXE_ADD_CRUFT_OBJS([filelock.o])
1061 fi
1062
1063
1064 dnl what exactly do we determine here? and where is it used?
1065 dnl dnl Determine GCC version.
1066 dnl if test "$GCC" = "yes"; then
1067 dnl     AC_RUN_IFELSE([AC_LANG_SOURCE([[
1068 dnl int main ()
1069 dnl {
1070 dnl #if __GNUC__ >= 3
1071 dnl     return 11;
1072 dnl #else
1073 dnl     return 0;
1074 dnl #endif
1075 dnl }]])], [:], [dnl
1076 dnl case "$?" in
1077 dnl 11)
1078 dnl     echo "You appear to be using GCC version 3 or above."
1079 dnl     __GCC3=yes
1080 dnl     ;;
1081 dnl esac], [__GCC3=no])
1082 dnl fi
1083
1084 dnl We don't do AC_PROG_CC for SXEMACS_CC; if we can't trust these people....
1085 : ${SXEMACS_CC:="$CC"}
1086
1087 dnl Figure out what C preprocessor to use.
1088
1089 dnl On Sun systems, people sometimes set up the variable CPP
1090 dnl with a value that is a directory, not an executable at all.
1091 dnl Detect that case, and ignore that value.
1092 test -n "$CPP" -a -d "$CPP" && CPP=
1093
1094 test -n "$NON_GNU_CPP" -a "$GCC" != "yes" -a -z "$CPP" && CPP="$NON_GNU_CPP"
1095
1096 dnl --------------------------------------------------------------------
1097 dnl Compiler feature macros
1098 dnl --------------------------------------------------------------------
1099
1100
1101 dnl --------------------------------------------------------------------
1102 dnl Extract some information from the operating system and machine files
1103 dnl --------------------------------------------------------------------
1104
1105 echo "Extracting information from the machine- and system-dependent headers..."
1106
1107 SXE_CHECK_MACHARCH
1108 SXE_EXTRACT_MACHARCH_INFO
1109
1110 dnl s&m files shouldn't be required to define anything, or even to exist.
1111 dnl So we default SYSTEM_TYPE to the obvious documented standard, `uname -s`,
1112 dnl appropriately emacsulated.
1113 if test -z "$system_type"; then
1114         AC_DEFINE_UNQUOTED([SYSTEM_TYPE],
1115                 ["`uname -s | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"],
1116                 [Description here!])
1117 fi
1118
1119 dnl If the s&m files don't define a system-specific dumper, simply use pdump.
1120 dnl Sometime in the future, we'll remove all definitions of UNEXEC
1121 dnl from all the s&m files.
1122 test -z "$unexec" && with_pdump=yes
1123
1124 if test "$with_pdump" = "yes"; then
1125         ordinary_link="yes"
1126         ld="${ordinary_ld}"
1127         start_files=
1128         libs_standard=
1129         unexec=
1130         lib_gcc=
1131 fi
1132
1133 dnl dnl For debugging...
1134 dnl SXE_PRINT_VAR([libs_machine libs_system libs_termcap libs_standard
1135 dnl     objects_machine objects_system c_switch_machine c_switch_system
1136 dnl     ld_switch_machine ld_switch_system unexec ld_switch_shared
1137 dnl     ld lib_gcc ld_text_start_addr start_files ordinary_link
1138 dnl     have_terminfo mail_use_flock mail_use_lockf]) && echo ""
1139
1140 dnl bitch at build attempt on win32 machines
1141 case "$opsys" in mingw* | cygwin*)
1142         SXE_DIE("Invalid operation system. Cannot build on win32 machines.")
1143 esac
1144
1145 dnl Non-ordinary link usually requires -lc
1146 test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
1147
1148 ## perform compiler specific things
1149 SXE_DO_CC_HACKS
1150 ## machine specific extensions
1151 SXE_CHECK_SIMD_EXTENSIONS
1152
1153 ## some linker flags that might come in handy
1154 SXE_CHECK_LDFLAGS
1155
1156 ## suffices to be defined late, for instance here
1157 SXE_CHECK_PARSER_LEXER
1158
1159 if test "$with_pdump" != "yes"; then
1160         ## GNU ld now defaults to combreloc, which screws up unexec,
1161         ## but not pdump.
1162         ## Note that it's OK if the GNU style long option causes
1163         ## non-GNU ld to barf a usage message, that's often good
1164         ## enough.  Please report it, though.
1165         ## #### Should make this Solaris-friendly.
1166         ## Link with -z nocombreloc for now.
1167         SXE_CHECK_LD_ZFLAG([nocombreloc])
1168         if test "$sxe_cv_ld__z_nocombreloc" = "yes"; then
1169                 SXE_PREPEND_LINKER_FLAG([-z nocombreloc], [ld_switch_site])
1170         fi
1171 fi
1172
1173 dnl Inform compiler that certain flags are meant for the linker
1174 SXE_PROTECT_LINKER_FLAGS(ld_switch_system)
1175 SXE_PROTECT_LINKER_FLAGS(ld_switch_machine)
1176 SXE_PROTECT_LINKER_FLAGS(ld_switch_site)
1177 SXE_PROTECT_LINKER_FLAGS(LDFLAGS)
1178 SXE_PROTECT_LINKER_FLAGS(ld_call_shared)
1179
1180 dnl Add s&m-determined objects to link line
1181 test -n "$objects_machine" && SXE_ADD_CORE_OBJS($objects_machine)
1182 test -n "$objects_system"  && SXE_ADD_CORE_OBJS($objects_system)
1183 test "$with_pdump" = "yes" && SXE_ADD_CORE_OBJS(dumper.o)
1184
1185
1186 dnl Feed s&m crud to src/Makefile
1187
1188 dnl Linux/powerpc needs the following magic for some reason
1189 dnl [Not needed with YellowDog 2.3 and causes link problems with YellowDog 3.0,
1190 dnl the two most popular PowerPC distributions.]
1191 dnl test "$machine$opsys" = "powerpclinux" && start_flags="-T $sxe_srcdir/src/ppc.ldscript"
1192
1193 AC_LANG(C)
1194 if test "$unexec" = "unexaix.o"; then
1195 dnl AIX needs various hacks to make static linking work.
1196   if   test "$with_dynamic" = "no"; then
1197   start_flags="-Wl,-bnso,-bnodelcsect"
1198   test "$GCC" = "yes" && start_flags="-B/bin/ ${start_flags}"
1199   for f in "/lib/syscalls.exp" "/lib/threads.exp"; do
1200     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; fi
1201   done
1202   for f in "/usr/lpp/X11/bin/smt.exp" "/usr/bin/X11/smt.exp"; do
1203     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; break; fi
1204   done
1205   AC_CHECK_LIB([c], [terminateAndUnload], [SXE_APPEND(-lC, libs_system)])
1206   fi
1207 elif test -n "$ld_text_start_addr"; then
1208   start_flags="-T $ld_text_start_addr -e __start"
1209 fi
1210 AC_SUBST(start_flags)
1211
1212 AC_SUBST(ld_switch_shared)
1213 AC_SUBST(start_files)
1214 if test "$ordinary_link" = "no" -a "$GCC" = "yes"; then
1215         if test -z "$linker"; then
1216                 linker='$(CC) -nostdlib'
1217                 SXE_APPEND([-nostdlib], [start_flags])
1218         fi
1219         test -z "$lib_gcc" && lib_gcc='`$(CC) -print-libgcc-file-name`'
1220 fi
1221 test "$GCC" != "yes" && lib_gcc=
1222 AC_SUBST(ld)
1223 AC_SUBST(lib_gcc)
1224
1225
1226
1227 ## ---------------------------------------------------------------
1228 ## Add site and system specific flags to compile and link commands
1229 ## ---------------------------------------------------------------
1230
1231 ## compute those site prefixes
1232 SXE_COMPUTE_SITE_PREFIXES
1233 ## compute a LD_RUN_PATH
1234 SXE_COMPUTE_LD_RUN_PATH
1235
1236
1237 ## some header checks
1238 SXE_CHECK_BASIC_HEADERS
1239 ## the very basic c types
1240 SXE_CHECK_BASIC_TYPES
1241
1242 ## for signalling
1243 SXE_CHECK_SIGNALS
1244
1245 AC_CHECK_MEMBERS([struct stat.st_rdev])
1246 AC_CHECK_TYPES([ptrdiff_t])
1247
1248 ## check whether intptr_t is definied in sys/types.h
1249 SXE_CHECK_INTPTR_T
1250
1251 dnl -lm is required for floating point support, among other things
1252 AC_CHECK_FUNC([sin], [], [AC_CHECK_LIB([m], [sin])])
1253
1254
1255 dnl check for Make feature
1256 AC_PROG_MAKE_SET
1257
1258
1259 dnl check for long file names
1260 AC_SYS_LONG_FILE_NAMES
1261 AC_SYS_LARGEFILE
1262 AC_SYS_INTERPRETER
1263 AC_SYS_POSIX_TERMIOS
1264
1265 AC_FUNC_MALLOC
1266 AC_FUNC_MKTIME
1267
1268 dnl See if mkstemp is available
1269 AC_CHECK_FUNCS([mkstemp])
1270
1271 SXE_CHECK_FILE_LOCK
1272
1273 case "$opsys" in decosf*)
1274         AC_CHECK_LIB([pthreads], [cma_open])
1275         if test "$ac_cv_lib_pthreads_cma_open" = "yes"; then
1276                 c_switch_site="$c_switch_site -threads"
1277         fi
1278         ;;
1279 esac
1280
1281
1282 dnl ----------------------------------------------------------------
1283 dnl Miscellaneous flags
1284 dnl ----------------------------------------------------------------
1285
1286 AC_MSG_CHECKING(whether the -xildoff compiler flag is required)
1287 if   ${CC-cc} '-###' -xildon  no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ; then
1288   if ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
1289     then AC_MSG_RESULT(no);
1290     else AC_MSG_RESULT(yes); SXE_APPEND_UNDUP(-xildoff, ld_switch_site)
1291   fi
1292   else AC_MSG_RESULT(no)
1293 fi
1294
1295 dnl Link with "-z ignore" on Solaris if supported
1296 if test "$opsys" = "sol2"; then
1297   if test "$os_release" -ge 506; then
1298     AC_MSG_CHECKING(for "-z ignore" linker flag)
1299     case "`ld -h 2>&1`" in
1300       *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
1301         SXE_PREPEND_UNDUP(-z ignore, ld_switch_site) ;;
1302       *) AC_MSG_RESULT(no) ;;
1303     esac
1304   fi
1305 fi
1306
1307 dnl ----------------------------------------------------------------
1308 dnl Check for Unixoid pty/process support.
1309 dnl ----------------------------------------------------------------
1310
1311 dnl There is no "standard" pty allocation method.  Every system is different.
1312 dnl  getpt()  is the preferred pty allocation method on glibc systems.
1313 dnl _getpty() is the preferred pty allocation method on SGI systems.
1314 dnl grantpt(), unlockpt(), ptsname() are defined by Unix98.
1315 AC_CHECK_FUNCS([getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp])
1316
1317 dnl openpty() is the preferred pty allocation method on BSD and Tru64 systems.
1318 dnl openpty() might be declared in:
1319 dnl - pty.h (Tru64 or Linux)
1320 dnl - libutil.h (FreeBSD)
1321 dnl - util.h (NetBSD)
1322 AC_CHECK_FUNC(openpty, have_openpty=yes, [
1323   AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
1324 if test "$have_openpty" = "yes"; then
1325   AC_DEFINE([HAVE_OPENPTY], [1], [Description here!])
1326   AC_CHECK_HEADERS(libutil.h util.h, break)
1327   test "$need_libutil" = "yes" && SXE_APPEND(-lutil, libs_system)
1328 fi
1329
1330 dnl Check for system-specific pty header files
1331 dnl Often the TIOCSIG* symbols are hiding there.
1332 case "$opsys" in
1333   dnl HPUX pty.h #defines TRUE and FALSE, so just use ptyio.h there.
1334   hpux*) AC_CHECK_HEADERS(sys/ptyio.h) ;;
1335   *) AC_CHECK_HEADERS(pty.h)
1336      test "$ac_cv_header_pty_h" = "no" && AC_CHECK_HEADERS(sys/pty.h)
1337      ;;
1338 esac
1339
1340 dnl Check for STREAM support functions.
1341 dnl Confusingly, "str" means both "string" and "SysV Streams".
1342 AC_CHECK_HEADERS(stropts.h)
1343 if test "$ac_cv_header_stropts_h" = "yes"; then
1344   AC_CHECK_FUNCS(isastream)
1345   AC_CHECK_HEADERS(strtio.h) dnl TIOCSIGNAL
1346 fi
1347
1348 dnl Check whether the system provides getloadavg().
1349 AC_CHECK_FUNCS(getloadavg)
1350
1351 if test "$ac_cv_func_getloadavg" = "yes"; then
1352   dnl Solaris 8 declares getloadavg() in <sys/loadavg.h>.
1353   dnl glibc 2.2 declares getloadavg() in <stdlib.h>...
1354   dnl   ...if we #define _GNU_SOURCE, which we do.
1355   AC_CHECK_HEADERS(sys/loadavg.h)
1356 else
1357   dnl We define our own getloadavg() using lower level functions.
1358   SXE_ADD_CRUFT_OBJS([getloadavg.o])
1359
1360   dnl Used by getloadavg() - does not require root priveleges
1361   AC_CHECK_LIB(kstat, kstat_open)
1362   AC_CHECK_HEADERS(kstat.h)
1363
1364   dnl Another way to get the load average
1365   AC_CHECK_LIB(kvm, kvm_read)
1366 fi
1367
1368 dnl If netdb.h does not declare h_errno, we must declare it by hand.
1369 AC_MSG_CHECKING(whether netdb declares h_errno)
1370 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
1371   [[return h_errno;]])],
1372   [AC_MSG_RESULT(yes)
1373    AC_DEFINE([HAVE_H_ERRNO], [1], [Description here!])],
1374   [AC_MSG_RESULT(no)])
1375
1376 AC_MSG_CHECKING([for sigsetjmp])
1377 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1378 #include <setjmp.h>
1379         ]], [[
1380 sigjmp_buf bar;
1381 sigsetjmp (bar, 0);
1382         ]])],
1383         [sxe_cv_c_func_sigsetjmp="yes"],
1384         [sxe_cv_c_func_sigsetjmp="no"])
1385 AC_MSG_RESULT([$sxe_cv_c_func_sigsetjmp])
1386 if test "$sxe_cv_c_func_sigsetjmp" = "yes"; then
1387         AC_DEFINE([HAVE_SIGSETJMP], [1], [Description here!])
1388         AC_DEFINE_UNQUOTED([SETJMP(x)], [sigsetjmp (x, 0)], [dnl
1389                 We want to avoid saving the signal mask if possible, because
1390                 that necessitates a system call.])
1391         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [siglongjmp(x, y)], [dnl
1392                 Description here!])
1393         AC_DEFINE_UNQUOTED([JMP_BUF], [sigjmp_buf], [dnl
1394                 Description here!])
1395 else
1396         AC_DEFINE_UNQUOTED([SETJMP(x)], [setjmp(x)], [dnl
1397                 We want to avoid saving the signal mask if possible, because
1398                 that necessitates a system call.])
1399         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [longjmp(x, y)], [Description here!])
1400         AC_DEFINE_UNQUOTED([JMP_BUF], [jmp_buf], [Description here!])
1401 fi
1402
1403
1404 AC_MSG_CHECKING(whether localtime caches TZ)
1405 AC_CACHE_VAL(emacs_cv_localtime_cache,
1406 [if test "$ac_cv_func_tzset" = "yes"; then
1407 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
1408 #if STDC_HEADERS
1409 # include <stdlib.h>
1410 #endif
1411 extern char **environ;
1412 unset_TZ ()
1413 {
1414   char **from, **to;
1415   for (to = from = environ; (*to = *from); from++)
1416     if (! (to[[0]][[0]] == 'T' && to[[0]][[1]] == 'Z' && to[[0]][[2]] == '='))
1417       to++;
1418 }
1419 char TZ_GMT0[[]] = "TZ=GMT0";
1420 char TZ_PST8[[]] = "TZ=PST8";
1421 main()
1422 {
1423   time_t now = time ((time_t *) 0);
1424   int hour_GMT0, hour_unset;
1425   if (putenv (TZ_GMT0) != 0)
1426     exit (1);
1427   hour_GMT0 = localtime (&now)->tm_hour;
1428   unset_TZ ();
1429   hour_unset = localtime (&now)->tm_hour;
1430   if (putenv (TZ_PST8) != 0)
1431     exit (1);
1432   if (localtime (&now)->tm_hour == hour_GMT0)
1433     exit (1);
1434   unset_TZ ();
1435   if (localtime (&now)->tm_hour != hour_unset)
1436     exit (1);
1437   exit (0);
1438 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1439 [# If we have tzset, assume the worst when cross-compiling.
1440 emacs_cv_localtime_cache=yes])
1441 else
1442         # If we lack tzset, report that localtime does not cache TZ,
1443         # since we can't invalidate the cache if we don't have tzset.
1444         emacs_cv_localtime_cache=no
1445 fi],[:])dnl
1446 AC_MSG_RESULT($emacs_cv_localtime_cache)
1447 if test $emacs_cv_localtime_cache = yes; then
1448   AC_DEFINE([LOCALTIME_CACHE], [1], [Description here!])
1449 fi
1450
1451
1452 need_alloca_c=no
1453 dnl HP-UX has a working alloca in libPW.
1454 dnl case "${GCC}${opsys}" in hpux* )
1455 dnl  AC_CHECK_FUNC(alloca, [:], [AC_CHECK_LIB(PW, alloca)])
1456 dnl esac
1457
1458 dnl AC_FUNC_ALLOCA doesn't know about DEC C's #pragma intrinsic(alloca)
1459 if test "$__DECC" != "yes"; then
1460         AC_FUNC_ALLOCA
1461         if test -n "$ALLOCA"; then
1462                 SXE_ADD_CRUFT_OBJS([$ALLOCA])
1463                 need_alloca_c=yes
1464         fi
1465 fi
1466
1467 AC_MSG_CHECKING(for working alloca in function calls)
1468 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1469 #if defined (__GNUC__)
1470 #define alloca __builtin_alloca
1471 #elif defined (__DECC)
1472 #include <alloca.h>
1473 #pragma intrinsic(alloca)
1474 #elif defined (HAVE_ALLOCA_H)
1475 #include <alloca.h>
1476 #elif defined (_AIX)
1477 #pragma alloca
1478 #elif ! defined (alloca)
1479 #ifdef C_ALLOCA
1480 #define alloca xemacs_c_alloca
1481 #else
1482 void *alloca ();
1483 #endif /* C_ALLOCA */
1484 #endif /* !defined (alloca) */
1485
1486 void
1487 f1 (double a, void *ptr, int b)
1488 {
1489   unsigned char *ptr2 = (unsigned char *) ptr;
1490   if (ptr2[[0]] != 0xBF || ptr2[[1]] != 0xBF || ptr2[[3000]] != 0xBF)
1491     exit (1);
1492   if (a != 3.1415 || b != -5490)
1493     exit (1);
1494 }
1495
1496 int
1497 f2 (short c, void *ptr, long e)
1498 {
1499   unsigned char *ptr2 = (unsigned char *) ptr;
1500   if (ptr2[[0]] != 0xFB || ptr2[[1]] != 0xFB || ptr2[[1000]] != 0xFB)
1501     exit (1);
1502   if (c != 665 || e != 776776776)
1503     exit (1);
1504   f1 (3.1415, memset (alloca (3001), 0xBF, 3001), -5490);
1505   return 42;
1506 }
1507
1508 int
1509 main (int argc, char *argv[])
1510 {
1511   if (f2 (665, memset (alloca (1001), 0xFB, 1001), 776776776) != 42)
1512     return 1;
1513   return 0;
1514 }
1515 ]])], working_alloca_in_function_calls=yes, working_alloca_in_function_calls=no,
1516 working_alloca_in_function_calls=no)
1517 AC_MSG_RESULT($working_alloca_in_function_calls)
1518 test "$working_alloca_in_function_calls" != "yes" && \
1519   AC_DEFINE([BROKEN_ALLOCA_IN_FUNCTION_CALLS], [1], [Description here!])
1520
1521 AM_CONDITIONAL([NEED_ALLOCA_C], [
1522         test "$working_alloca_in_function_calls" = "yes" && \
1523         test "$need_alloca_c" = "yes"])
1524
1525 dnl Check whether strcoll exists and works correctly. (This does more
1526 dnl than just check for its existence.) If so, it defines HAVE_STRCOLL.
1527 AC_FUNC_STRCOLL
1528
1529 dnl If `getpgrp' takes no argument (the POSIX.1 version), define
1530 dnl `GETPGRP_VOID'.  Otherwise, it is the BSD version, which takes a
1531 dnl process ID as an argument.
1532 AC_CHECK_FUNCS(getpgrp)
1533 AC_FUNC_GETPGRP
1534
1535 dnl We used to call AC_FUNC_MMAP here
1536 dnl Instead we now use following, suggested by Neal Becker
1537 AC_MSG_CHECKING(for working mmap)
1538 case "$opsys" in ultrix* ) have_mmap=no ;; *)
1539 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1540 #include <unistd.h>
1541 #include <fcntl.h>
1542 #include <sys/mman.h>
1543
1544 #ifndef MAP_VARIABLE
1545 #define MAP_VARIABLE 0
1546 #endif
1547
1548 #ifndef MAP_FAILED
1549 #define MAP_FAILED -1
1550 #endif
1551
1552 int main (int argc, char *argv[])
1553 {
1554   int fd = -1;
1555   caddr_t p;
1556 #ifndef MAP_ANONYMOUS
1557   fd = open ("/dev/zero", O_RDWR);
1558   if (fd < 0)
1559     return 1;
1560 #define MAP_ANONYMOUS 0
1561 #endif
1562   if (mmap(0, 1024, PROT_READ | PROT_WRITE,
1563            MAP_PRIVATE | MAP_VARIABLE | MAP_ANONYMOUS,
1564            fd, 0) != (void *) MAP_FAILED)
1565     return 0;
1566   perror ("conftest: mmap failed");
1567   return 1;
1568 }]])], have_mmap=yes, have_mmap=no, have_mmap=no) ;;
1569 esac
1570 AC_MSG_RESULT($have_mmap)
1571 test "$have_mmap" = "yes" && AC_DEFINE([HAVE_MMAP], [1], [Description here!])
1572
1573 dnl rel_alloc requires either GNU malloc or system malloc with mmap
1574 dnl We only turn rel_alloc on by default if mmap is available.
1575 test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && with_rel_alloc=no
1576 if test "$with_rel_alloc $have_mmap" = "default yes"; then
1577         if test "$doug_lea_malloc" = "yes"; then
1578                 dnl Check if malloc() calls mmap(), making rel_alloc pointless.
1579                 AC_MSG_CHECKING(for M_MMAP_THRESHOLD)
1580                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],[[
1581 #ifndef M_MMAP_THRESHOLD
1582 #error No M_MMAP_THRESHOLD :-(
1583 !@+$%^&*_)(_ - unlikely to compile...
1584 #endif
1585                         ]])], [
1586                         with_rel_alloc=no
1587                         AC_MSG_RESULT(yes)], [
1588                         with_rel_alloc=yes
1589                         AC_MSG_RESULT(no)])
1590         else
1591                 with_rel_alloc=yes
1592         fi
1593 fi
1594 if test "$with_rel_alloc" = "yes"; then
1595         AC_DEFINE([REL_ALLOC], [1], [Description here!])
1596         SXE_ADD_MEMALLOC_OBJS(ralloc.o)
1597 fi
1598
1599 dnl Check for tests/rminal I/O variants
1600 dnl TERMIOS systems may have termio.h, but not vice-versa, I think.
1601 AC_CHECK_HEADER(termios.h,
1602   AC_DEFINE([HAVE_TERMIOS], [1], [Description here!])
1603   AC_DEFINE([SIGNALS_VIA_CHARACTERS], [1], [Description here!])
1604   AC_DEFINE([NO_TERMIO], [1], [Description here!]),
1605   [AC_CHECK_HEADER(termio.h, [AC_DEFINE([HAVE_TERMIO], [1], [Description here!])])])
1606
1607
1608 dnl Check for directory variants
1609 AC_CHECK_HEADER(dirent.h, [AC_DEFINE([SYSV_SYSTEM_DIR], [1], [Description here!])],
1610   [AC_CHECK_HEADER(sys/dir.h, , [AC_DEFINE([NONSYSTEM_DIR_LIBRARY], [1], [Description here!])])])
1611
1612 dnl check for readdir64_r (the reentrant version of readdir64)
1613 AC_CHECK_FUNC(readdir64_r, [AC_DEFINE([HAVE_LARGEFILE], [1], [Description here!])])
1614
1615 dnl Check for nlist.h
1616 AC_CHECK_HEADER([nlist.h], [AC_DEFINE([NLIST_STRUCT], [1], [Description here!])], [])
1617
1618 dnl firstly check for pthread support so that we can use the
1619 dnl asynchronous playing routines
1620
1621 dnl special pthread handling
1622 dnl AIX uses pthreads instead of pthread, and HP/UX uses cma
1623 dnl FreeBSD uses -pthread
1624 AC_CHECK_LIB(pthread, pthread_create)
1625 if test "${ac_cv_lib_pthread_pthread_create}" = "yes"; then
1626         have_threads=yes
1627
1628         SXE_CHECK_COMPILER_FLAGS([-pthreads])
1629         SXE_CHECK_COMPILER_FLAGS([-pthread])
1630         if test "${sxe_cv_c_flags__pthreads}" = "yes"; then
1631                 SXE_PREPEND_UNDUP([-pthreads], [c_switch_site])
1632         fi
1633         if test "${sxe_cv_c_flags__pthread}" = "yes"; then
1634                 SXE_PREPEND_UNDUP([-pthread], [c_switch_site])
1635         fi
1636         SXE_PREPEND([-lpthread], [MM_LIBS])
1637 fi
1638
1639 dnl test for AIX pthreads
1640 AC_CHECK_LIB(pthreads, pthread_create)
1641 if test $ac_cv_lib_pthreads_pthread_create = yes; then
1642   have_threads=yes
1643   SXE_PREPEND(-lpthreads, MM_LIBS)
1644 fi
1645
1646 dnl test for HPUX cma threads.
1647 AC_CHECK_LIB(cma, pthread_create)
1648 if test $ac_cv_lib_cma_pthread_create = yes; then
1649   have_threads=yes
1650   SXE_PREPEND(-lcma, MM_LIBS)
1651 fi
1652
1653 dnl FreeBSD -pthread check
1654 AC_DEFUN([AC_PTHREAD_FREEBSD],
1655 [AC_MSG_CHECKING([if we need -pthread for threads])
1656 AC_CACHE_VAL(ac_cv_ldflag_pthread,
1657         [ac_save_ld_switch_site="$ld_switch_site"
1658         ld_switch_site="-pthread $ld_switch_site"
1659         AC_LINK_IFELSE([AC_LANG_PROGRAM([[char pthread_create();]],
1660         [[char pthread_create();]])],
1661         eval "ac_cv_ldflag_pthread=yes",
1662         eval "ac_cv_ldflag_pthread=no"),
1663         ld_switch_site="$ac_save_ld_switch_site"
1664 ])
1665 if eval "test \"`echo $ac_cv_ldflag_pthread`\" = yes"; then
1666         AC_MSG_RESULT(yes)
1667         have_threads=yes
1668         SXE_PREPEND_UNDUP("-pthread", ld_switch_site)
1669         SXE_PREPEND_UNDUP("-D_THREAD_SAFE", c_switch_site)
1670 else
1671         AC_MSG_RESULT(no)
1672 fi])
1673
1674 dnl If all other thread tests fail, try BSD's -pthread
1675 if test "$have_threads" != yes; then
1676   AC_PTHREAD_FREEBSD
1677 fi
1678
1679 if test "$have_threads" = yes; then
1680   AC_DEFINE([HAVE_THREADS], [1], [Description here!])
1681 fi
1682
1683
1684 ## Internal Options
1685 ## ================
1686
1687 echo
1688 echo "Internal Options"
1689 echo "================"
1690
1691 SXE_CHECK_LIBTOOL
1692 SXE_CHECK_LIBLTDL
1693
1694 dnl ----------------------------------------------------------------
1695 dnl Check for POSIX functions.
1696 dnl ----------------------------------------------------------------
1697
1698 SXE_CHECK_BASIC_FUNS
1699 AC_CHECK_FUNCS([alarm cbrt closedir dup2 eaccess endpwent floor fmod fpathconf frexp fsync ftime ftruncate getaddrinfo getcwd gethostbyname gethostname getnameinfo getpagesize getrlimit gettimeofday getwd isascii link logb lrand48 matherr memchr memmove memset mkdir mktime munmap perror poll pow putenv random re_comp readlink regcomp rename res_init rint rmdir select setitimer setlocale setpgid setsid sigblock sighold sigprocmask snprintf socket sqrt stpcpy strcasecmp strchr strdup strerror strlwr strrchr strspn strtol strupr symlink tzset ulimit umask uname usleep utime vlimit vsnprintf waitpid wcscmp wcslen])
1700
1701
1702 ## combines all these time structures and funs
1703 SXE_CHECK_METRONOME
1704 SXE_CHECK_SUFFICIENCY([metronome], [metronome])
1705
1706 ## check for a sane dirname/realpath
1707 SXE_CHECK_DIRNAME
1708 SXE_CHECK_REALPATH
1709
1710 dnl -----------------------------------
1711 dnl Do some misc autoconf-special tests
1712 dnl -----------------------------------
1713
1714 dnl Do the opsystem or machine files prohibit the use of the GNU malloc?
1715 dnl Assume not, until told otherwise.
1716 GNU_MALLOC=yes
1717 if test "$with_dlmalloc" != "no"; then
1718         doug_lea_malloc=yes
1719 else
1720         doug_lea_malloc=no
1721 fi
1722 after_morecore_hook_exists=yes
1723 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1724 AC_MSG_CHECKING(whether __after_morecore_hook exists)
1725 AC_LINK_IFELSE([AC_LANG_SOURCE([[extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0]])],
1726   [AC_MSG_RESULT(yes)],
1727   [AC_MSG_RESULT(no)
1728    after_morecore_hook_exists=no])
1729 if test "$system_malloc" = "yes" ; then
1730   GNU_MALLOC=no
1731   GNU_MALLOC_reason="
1732     - The GNU allocators don't work with this system configuration."
1733 elif test "$with_system_malloc" = "yes" ; then
1734   GNU_MALLOC=no
1735   GNU_MALLOC_reason="
1736     - User chose not to use GNU allocators."
1737 elif test "$with_debug_malloc" = "yes" ; then
1738   GNU_MALLOC=no
1739   GNU_MALLOC_reason="
1740     - User chose to use Debugging Malloc."
1741 fi
1742
1743 if test "$doug_lea_malloc" = "yes" -a "$GNU_MALLOC" = "yes" ; then
1744         GNU_MALLOC_reason="
1745     - Using Doug Lea's new malloc from the GNU C Library."
1746         AC_DEFINE([DOUG_LEA_MALLOC], [1], [Description here!])
1747         if test "$after_morecore_hook_exists" = "no" ; then
1748                 GNU_MALLOC_reason="
1749     - Using Doug Lea's new malloc from the Linux C Library."
1750         AC_DEFINE([_NO_MALLOC_WARNING_], [1], [Description here!])
1751         fi
1752 fi
1753 AM_CONDITIONAL([USE_MEMALLOC], [test -n "${libmemalloc_objs}"])
1754
1755 dnl #### mcheck is broken in all versions of Linux libc and glibc.
1756 dnl Try this again when 2.1 hits the streets.
1757 dnl Avoid using free-hook.c if support exists for malloc debugging in libc
1758 have_libmcheck=no
1759 if test "$with_error_checking_malloc" = "yes" -a \
1760    "$have_glibc" = "yes" -a \
1761    "$doug_lea_malloc" = "yes"; then
1762         AC_CHECK_HEADERS(mcheck.h)
1763         AC_CHECK_LIB(mcheck, mcheck, [have_libmcheck=yes], [have_libmcheck=no])
1764 fi
1765
1766 if test "$with_module_support" != "no"; then
1767         AS_MESSAGE([checking for module support])
1768         if test "$sxe_cv_feat_libltdl" = "yes"; then
1769                 have_module_support="yes"
1770                 with_module_support="yes"
1771                 SXE_ADD_CRUFT_OBJS([emodules-ng.o])
1772                 AC_DEFINE([HAVE_EMODULES], [1], [Whether emods would be available])
1773                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1774         else
1775                 have_module_support="no"
1776                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1777         fi
1778 fi
1779
1780 AM_CONDITIONAL([DESCEND_MODULES],
1781         [test "$with_module_support $have_module_support" = "yes yes"])
1782 if test "$with_module_support $have_module_support" = "yes"; then
1783         SXE_APPEND([src], [MAKE_SUBDIR])
1784         SXE_APPEND([src], [INSTALL_ARCH_DEP_SUBDIR])
1785         SXE_APPEND([modules], [MAKE_AM_SUBDIR])
1786         SXE_APPEND([modules], [SRC_SUBDIR_DEPS])
1787 dnl else
1788 dnl     MOD_CC="$SXEMACS_CC"
1789 dnl     MODCFLAGS="\$(SXE_CFLAGS) -I../../src -I\$(sxe_srcdir)/../../src"
1790 dnl     INSTALLPATH=""
1791 dnl     MOD_INSTALL_PROGRAM="true"
1792 dnl     OBJECT_TO_BUILD="\$(MODNAME).o"
1793 fi
1794
1795 if test "$with_modules_ase" = "yes"; then
1796         have_modules_ase=yes
1797 fi
1798 if test "$with_static_modules_ase" = "yes"; then
1799         have_static_modules_ase=yes
1800 fi
1801 SXE_EMOD_STATMOD([ase])
1802 if test "$have_modules_ase $have_static_modules_ase" != " "; then
1803         have_ase_cart="yes"
1804         have_ase_dig="yes"
1805         have_ase_intv="yes"
1806         have_ase_metric="yes"
1807         have_ase_nbhood="yes"
1808         have_ase_perm="yes"
1809         have_ase_resclass="yes"
1810 fi
1811 if test "$have_bison" = "yes"; then
1812         if test "$with_modules_cl" = "yes" ; then
1813                 have_modules_cl="yes"
1814         fi
1815         if test "$with_static_modules_cl" = "yes"; then
1816                 have_static_modules_cl="yes"
1817         fi
1818 else
1819         if test "$with_modules_cl" = "yes" -o "$with_static_modules_cl" = "yes"; then
1820                 AC_MSG_WARN([Sorry no bison means no cl module for you.])
1821         fi
1822 fi
1823 SXE_EMOD_STATMOD([cl])
1824
1825 AM_CONDITIONAL([AUTARKIC], [test "0" = "1"])
1826 MODARCHDIR=
1827 MAKE_DOCFILE="$sxe_blddir/lib-src/make-docfile"
1828 ELLMAKEDOC=$MAKE_DOCFILE
1829 ELLCC=$MOD_CC
1830 AC_SUBST(ELLCC)
1831 AC_SUBST(ELLMAKEDOC)
1832 AC_SUBST(with_modules, $with_modules)
1833 AC_SUBST(MOD_CC)
1834 AC_SUBST(MODARCHDIR)
1835 AC_SUBST(MAKE_DOCFILE)
1836 AC_SUBST(MODCFLAGS)
1837 AC_SUBST(INSTALLPATH)
1838 AC_SUBST(MOD_INSTALL_PROGRAM)
1839 AC_SUBST(OBJECT_TO_BUILD)
1840 SXE_SUBST_STATMOD_A
1841
1842 ## FFI support
1843 SXE_CHECK_FFI
1844 SXE_CHECK_SUFFICIENCY([ffi], [FFI support], [
1845         ## additional actions
1846         AC_DEFINE([HAVE_LIBFFI], [1], [Description here!])
1847         HAVE_LIBFFI=yes
1848         FFI_LIBS="-lffi"
1849         SXE_ADD_CRUFT_OBJS([effi.o])
1850 ])
1851
1852 ## ENT support
1853 SXE_CHECK_ENT
1854
1855 ## check for pseudo gaussian numbers
1856 AC_MSG_CHECKING([for pseug (gaussian numbers)])
1857 if test "$sxe_cv_feat_gmp" = "yes"; then
1858         ## the good case
1859         AC_DEFINE([HAVE_PSEUG], [1], [Whether we COULD do gaussian numbers!])
1860         sxe_cv_feat_pseug="yes"
1861 else
1862         sxe_cv_feat_pseug="no"
1863 fi
1864 AC_MSG_RESULT([$sxe_cv_feat_pseug])
1865
1866 ## check for pseudo complex numbers
1867 AC_MSG_CHECKING([for pseuc (pseudo complex numbers)])
1868 if test "$sxe_cv_feat_mpfr" = "yes"; then
1869         ## the good case
1870         AC_DEFINE([HAVE_PSEUC], [1], [Whether we COULD do complex numbers!])
1871         sxe_cv_feat_pseuc="yes"
1872 else
1873         sxe_cv_feat_pseuc="no"
1874 fi
1875 AC_MSG_RESULT([$sxe_cv_feat_pseuc])
1876
1877 ## check for pseudo quaternions
1878 AC_MSG_CHECKING([for quatern (quaternion numbers)])
1879 if test "$sxe_cv_feat_gmp" = "yes"; then
1880         ## the good case
1881         AC_DEFINE([HAVE_QUATERN], [1], [Whether we COULD do quaternions!])
1882         sxe_cv_feat_quatern="yes"
1883 else
1884         sxe_cv_feat_quatern="no"
1885 fi
1886 AC_MSG_RESULT([$sxe_cv_feat_quatern])
1887
1888
1889 ## go through what the PH^Wuser has specified
1890 ## it's a wee bit more complex, so let's go for it
1891 ## we use a dijkstra-if
1892 ent_dijkstra="$with_ent_gmp $sxe_cv_feat_gmp"
1893 if test "$ent_dijkstra" = "yes yes"; then
1894         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1895         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1896         SXE_ADD_ENT_OBJS([ent-gmp.o])
1897         have_ent_gmp="yes"
1898 elif test "$ent_dijkstra" = "yes no"; then
1899         ## pity, we wanted GMP but we dont have it
1900         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1901         have_ent_gmp="no"
1902 elif test "$ent_dijkstra" = "no yes"; then
1903         ## we didn't want GMP but we have it
1904         ## do nothing in that case
1905         have_ent_gmp="no"
1906 elif test "$ent_dijkstra" = "no no"; then
1907         ## great, we didnt opt for GMP and we're lucky, it's not there either
1908         have_ent_gmp="no"
1909 fi
1910
1911 ## evaluate mpfr results
1912 ent_dijkstra="$with_ent_mpfr $sxe_cv_feat_mpfr"
1913 if test "$ent_dijkstra" = "yes yes"; then
1914         ## the good case
1915         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1916         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1917         SXE_ADD_ENT_OBJS([ent-mpfr.o])
1918         have_ent_mpfr="yes"
1919 elif test "$ent_dijkstra" = "yes no"; then
1920         ## we want but can't have
1921         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1922         have_ent_mpfr="no"
1923 elif test "$ent_dijkstra" = "no yes"; then
1924         have_ent_mpfr="no"
1925 elif test "$ent_dijkstra" = "no no"; then
1926         have_ent_mpfr="no"
1927 fi
1928
1929
1930 ## whether to enable gaussian numbers
1931 ent_dijkstra="$with_ent_pseug $sxe_cv_feat_pseug"
1932 if test "$ent_dijkstra" = "yes yes"; then
1933         ## perfick
1934         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1935         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1936         SXE_ADD_ENT_OBJS([ent-gaussian.o])
1937         have_ent_pseug="yes"
1938 elif test "$ent_dijkstra" = "yes no"; then
1939         ## grrrr
1940         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1941         have_ent_pseug="no"
1942 elif test "$ent_dijkstra" = "no yes"; then
1943         have_ent_pseug="no"
1944 elif test "$ent_dijkstra" = "no no"; then
1945         have_ent_pseug="no"
1946 fi
1947
1948 ## whether to enable emulated complex numbers
1949 ent_dijkstra="$with_ent_pseuc $sxe_cv_feat_pseuc $with_ent_mpc $sxe_cv_feat_mpc"
1950 if test "$ent_dijkstra" = "yes yes yes yes"; then
1951         ## skip pseuc usage
1952         have_ent_pseuc="veto"
1953         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1954         AS_MESSAGE([ENT: Built-in support for complex numbers available, dnl
1955 but omitted in favour of MPC.])
1956         omit_ent_pseuc_in_favour_of="mpc"
1957         ## set up to use plain mpc
1958         AC_DEFINE([WITH_MPC], [1], [Description here!])
1959         SXE_PREPEND([$MPC_LIBS], [ENT_LIBS])
1960         SXE_ADD_ENT_OBJS([ent-mpc.o])
1961         have_ent_mpc="yes"
1962 elif test "$ent_dijkstra" = "yes yes yes no"; then
1963         ## user planned to use mpc, hasnt got it though
1964         ## now he's cursed with pseudo complex numbers :)
1965         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1966         have_ent_pseuc="yes"
1967         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1968         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1969         ## we want mpc but can't have, set up that
1970         AC_DEFINE([WITH_MPC], [1], [Description here!])
1971         have_ent_mpc="no"
1972 elif test "$ent_dijkstra" = "yes yes no yes"; then
1973         ## user coulda used mpc but disabled it for whatever reasons ... Wait!
1974         ## Horst, is that you?!
1975         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1976         AS_MESSAGE([ENT: dnl
1977 MPC support for complex numbers IS possible, however YOU think you want dnl
1978 the built-in emulated stuff?  Seriously?  Good, so be it!])
1979         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1980         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1981         have_ent_pseuc="yes"
1982         omit_ent_mpc_in_favour_of="pseuc"
1983         ## however brag that we have mpc
1984         have_ent_mpc="yes"
1985 elif test "$ent_dijkstra" = "yes yes no no"; then
1986         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1987         have_ent_pseuc="yes"
1988         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1989         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1990         have_ent_mpc="no"
1991 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "yes no"; then
1992         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1993         have_ent_pseuc="no"
1994 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no yes"; then
1995         have_ent_pseuc="no"
1996 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no no"; then
1997         have_ent_pseuc="no"
1998 fi
1999
2000 ## whether to enable gaussian numbers
2001 ent_dijkstra="$with_ent_quatern $sxe_cv_feat_quatern"
2002 if test "$ent_dijkstra" = "yes yes"; then
2003         ## perfick
2004         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2005         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
2006         SXE_ADD_ENT_OBJS([ent-quatern.o])
2007         have_ent_quatern="yes"
2008 elif test "$ent_dijkstra" = "yes no"; then
2009         ## grrrr
2010         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2011         have_ent_quatern="no"
2012 elif test "$ent_dijkstra" = "no yes"; then
2013         have_ent_quatern="no"
2014 elif test "$ent_dijkstra" = "no no"; then
2015         have_ent_quatern="no"
2016 fi
2017
2018 ## elliptic curve support
2019 ent_dijkstra="$with_ent_ecm $sxe_cv_feat_ecm"
2020 if test "$ent_dijkstra" = "yes yes"; then
2021         ## perfick case
2022         AC_DEFINE([WITH_ECM], [1], [Description here!])
2023         SXE_PREPEND([$ECM_LIBS], [ENT_LIBS])
2024         SXE_ADD_ENT_OBJS([ent-ecm.o])
2025         have_ent_ecm="yes"
2026 elif test "$ent_dijkstra" = "no yes"; then
2027         have_ent_ecm="no"
2028 elif test "$ent_dijkstra" = "yes no"; then
2029         AC_DEFINE([WITH_ECM], [1], [Description here!])
2030         have_ent_ecm="no"
2031 elif test "$ent_dijkstra" = "no no"; then
2032         have_ent_ecm="no"
2033 fi
2034
2035
2036 ## Floating operation support is now unconditional
2037 SXE_CHECK_MATHS_VALUES
2038 if test "$ac_cv_sizeof_long_double" != 0; then
2039         ##AC_DEFINE_UNQUOTED([fpfloat], [long double], [Description here!])
2040         ##AC_DEFINE([fpfloat_long_double_p], [1], [Description here!])
2041         fpfloat="long double"
2042         fpfloat_long_double_p=1
2043         have_fpfloat=yes
2044 elif test "$ac_cv_sizeof_double" != 0; then
2045         ##AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2046         ##AC_DEFINE([fpfloat_double_p], [1], [Description here!])
2047         fpfloat="double"
2048         fpfloat_double_p=1
2049         have_fpfloat=yes
2050 else
2051         AS_MESSAGE([Uh oh, no float type is bad news.])
2052         have_fpfloat=no
2053 fi
2054
2055 AC_MSG_CHECKING([if need to add -lm])
2056 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2057 #include <math.h>
2058 ]],[[
2059 return sin(0.0);
2060 ]])], [AC_MSG_RESULT([no])], [
2061         AC_MSG_RESULT([maybe])
2062         save_LIBS=$LIBS
2063         SXE_APPEND([-lm], [LIBS])
2064         AC_MSG_CHECKING([if can add -lm])
2065         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2066 #include <math.h>
2067 ]],[[
2068 return sin(0.0);
2069 ]])], [AC_MSG_RESULT([yes])], [
2070         AC_MSG_RESULT([no])
2071         AC_MSG_WARN([No way to use math functions found. Reverting option append.])
2072         LIBS=$save_LIBS])])
2073
2074
2075
2076 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2077 #include <math.h>
2078 ]],[[
2079 return atanh(1.0) + asinh(1.0) + acosh(1.0);
2080 ]])], [AC_DEFINE([HAVE_INVERSE_HYPERBOLIC], [1], [Description here!])])
2081
2082 if test "$have_fpfloat" = "yes"; then
2083         AC_DEFINE([HAVE_FPFLOAT], [1], [Description here!])
2084
2085         SXE_CHECK_CLEAN_FLOATOPS(
2086                 [have_clean_floatops="yes"], [have_clean_floatops="no"])
2087
2088         ## it would seem odd to define the destiny of our float arithmetic here
2089         if test "$have_clean_floatops" = "yes"; then
2090                 AC_DEFINE_UNQUOTED([fpfloat], [$fpfloat], [Description here!])
2091                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2092                         [${fpfloat_long_double_p:-0}], [Description here!])
2093                 AC_DEFINE_UNQUOTED([fpfloat_double_p],
2094                         [${fpfloat_double_p:-0}], [Description here!])
2095         else
2096                 AS_MESSAGE([downgrading to `double' floats])
2097                 AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2098                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2099                         [0], [Description here!])
2100                 AC_DEFINE([fpfloat_double_p],
2101                         [1], [Description here!])
2102         fi
2103 fi
2104
2105 ## trivial checks, you cannot (yet) turn off internal arithmetic entirely
2106 ## so we always `have' it
2107 dnl with_ent_int=yes
2108 have_ent_int=yes
2109 dnl with_ent_indef=yes
2110 have_ent_indef=yes
2111 dnl with_ent_fpfloat=yes
2112 have_ent_fpfloat=yes
2113 dnl we attempt to always use ent.o
2114 AC_DEFINE([WITH_NUMBER_TYPES], [1], [Description here!])
2115 SXE_SUBST_ENT_OBJS
2116
2117 dnl experimental code support
2118 if test "$with_compre" != "no"; then
2119         AC_MSG_CHECKING([if compre prerequisites are met])
2120         AC_MSG_RESULT([yes])
2121         AC_DEFINE([EF_USE_COMPRE], [1],
2122                 [Whether to provide compiled regular expression!])
2123         have_compre=yes
2124 fi
2125 if test "$with_experimental_features_pom" = "yes"; then
2126         AC_MSG_CHECKING([if pom prerequisites are met])
2127         if test "$have_threads" = "yes"; then
2128                 AC_MSG_RESULT([yes])
2129                 AC_DEFINE([EF_USE_POM], [1],
2130                         [Whether to protect all lisp objects with mutexes!])
2131                 have_experimental_features_pom=yes
2132         else
2133                 AC_MSG_RESULT([no])
2134         fi
2135 fi
2136 if test "$with_experimental_features_asyneq" = "yes"; then
2137         AC_MSG_CHECKING([if asyneq prerequisites are met])
2138         if test "$have_threads" = "yes"; then
2139                 AC_MSG_RESULT([yes])
2140                 AC_DEFINE([EF_USE_ASYNEQ], [1],
2141                         [Whether to setup asynchronous event queues!])
2142                 have_experimental_features_asyneq=yes
2143                 SXE_ADD_EVENTS_OBJS([event-queue.o workers.o worker-asyneq.o])
2144         else
2145                 AC_MSG_RESULT([no])
2146         fi
2147 fi
2148 SXE_SUBST_EVENTS_OBJS
2149
2150 SXE_CHECK_EVENTS
2151 SXE_CHECK_SUFFICIENCY([events], [event system])
2152
2153 ## check asm helpers
2154 SXE_CHECK_ASM_HELPERS
2155
2156 ## compression titbits
2157 SXE_CHECK_ZLIB
2158 SXE_CHECK_BZLIB
2159 SXE_CHECK_LZMA
2160
2161
2162 ## Cryptography Options
2163 ## ====================
2164 echo
2165 echo "Cryptography Options"
2166 echo "===================="
2167
2168 ## in case someone else (ldap, pgsql, etc.) needs it
2169 SXE_CHECK_OPENSSL
2170 SXE_CHECK_SUFFICIENCY([openssl], [OpenSSL support])
2171
2172 dnl OpenSSL
2173 if test "$with_openssl" != "no" -a "$have_openssl" = "yes"; then
2174         SXE_ADD_CRUFT_OBJS([openssl.o])
2175 elif test "$with_openssl" != "no"; then
2176         AC_MSG_WARN([Required OpenSSL support cannot be provided.])
2177         AC_MSG_WARN([Check --with-site-prefixes.])
2178 fi
2179 if test "$have_openssl" = "no" -o "$with_openssl" = "no"; then
2180         OPENSSL_CPPFLAGS=""
2181         OPENSSL_LDFLAGS=""
2182         OPENSSL_LIBS=""
2183 fi
2184 AC_SUBST([OPENSSL_CPPFLAGS])
2185 AC_SUBST([OPENSSL_LDFLAGS])
2186 AC_SUBST([OPENSSL_LIBS])
2187
2188 SXE_CHECK_KERBEROS
2189 SXE_CHECK_KERBEROS5
2190 if test "$with_kerberos" = "yes"; then
2191         AC_DEFINE([WITH_KERBEROS], [1], [Whether kerberos support was requested])
2192         if test "$sxe_cv_feat_kerberos" = "yes"; then
2193                 SXE_PREPEND([$KERBEROS_LIBS], [ld_libs_general])
2194         fi
2195 fi
2196
2197
2198 ## Networking Options
2199 ## ==================
2200 echo
2201 echo "Networking Options"
2202 echo "=================="
2203
2204 SXE_CHECK_SOCKETS
2205 SXE_CHECK_SUFFICIENCY([unix], [unix domain sockets])
2206 SXE_CHECK_SUFFICIENCY([sysvipc], [SysV IPC message])
2207 SXE_CHECK_SUFFICIENCY([sockets], [tcp/udp sockets])
2208 SXE_CHECK_SUFFICIENCY([tcpudp], [tcp/udp sockets])
2209 SXE_CHECK_SUFFICIENCY([multicast], [multicast])
2210
2211 dnl Decnet
2212 if test "$with_dnet" = "yes"; then
2213   AC_CHECK_LIB(dnet, main,
2214     [AC_DEFINE([HAVE_LIBDNET], [1], [Description here!])],
2215     [SXE_DIE("DECnet requested but can't find libdnet")])
2216 fi
2217
2218 dnl Socks support
2219 if test "$with_socks" = "yes"; then
2220   AC_CHECK_LIB(socks, SOCKSinit)
2221   test -n "$ac_cv_lib_socks_SOCKSinit" && AC_DEFINE([HAVE_SOCKS], [1], [Description here!])
2222 fi
2223
2224
2225 ## Window System Features
2226 ## ======================
2227 echo
2228 echo "Window System Features"
2229 echo "======================"
2230
2231 dnl ----------------------
2232 dnl Choose a window system
2233 dnl ----------------------
2234
2235 AS_MESSAGE([checking for specified window system])
2236
2237 if test "$with_x" != "no"; then
2238         if test "$with_x11" != "no"; then
2239                 dnl User-specified --x-includes or --x-libraries implies --with-x11.
2240                 test "$x_includes $x_libraries" != "NONE NONE" && \
2241                         window_system=x11
2242                         with_x11=yes
2243         fi
2244
2245         dnl Autodetection of X11 libraries and includes
2246         dnl -------------------------------------------
2247         dnl AC_PATH_XTRA thinks it can find our X headers and includes, but
2248         dnl it often gets it wrong, so we only use it as a last resort.
2249
2250         dnl $OPENWINHOME implies --x-includes and --x-libraries
2251         dnl Not (yet) handled by autoconf2
2252         if test "$x_includes $x_libraries" = "NONE NONE" \
2253                 -a -n "$OPENWINHOME" \
2254                 -a "$OPENWINHOME" != "/usr/openwin" \
2255                 -a -d "$OPENWINHOME"; then
2256                 test -d "$OPENWINHOME/lib"           && \
2257                         x_libraries="$OPENWINHOME/lib"
2258                 test -d "$OPENWINHOME/include"       && \
2259                         x_includes="$OPENWINHOME/include"
2260                 test -d "$OPENWINHOME/share/include" && \
2261                         x_includes="$OPENWINHOME/share/include"
2262         fi
2263
2264         if test -z "$x_includes" -o \
2265            "$x_includes" = "NONE" -o \
2266            ! -d "$x_includes"; then
2267                 dnl AC_PATH_XTRA often guesses /usr/include, when some other
2268                 dnl include directory is a MUCH better guess (Linux, HP-UX 10.20).
2269                 dnl This is a workaround for idiot (esp. HP) system vendors, who
2270                 dnl provide a /usr/include/X11, but DON'T FULLY POPULATE IT.
2271                 for dir in "/usr/X11" "/usr/X11R7" "/usr/X11R6" \
2272                         "/usr/local" "/usr"; do
2273                         if test -d "$dir/include/X11"; then
2274                                 x_includes="$dir/include"
2275                                 break
2276                         fi
2277                 done
2278         fi
2279
2280         if test -z "$x_libraries" -o \
2281            "$x_libraries" = "NONE" -o \
2282            ! -d "$x_libraries"; then
2283                 for dir in \
2284                         "/usr/X11/lib" \
2285                         "/usr/X11R7/lib" "/usr/lib/X11R7" \
2286                         "/usr/X11R6/lib" "/usr/lib/X11R6" \
2287                         "/usr/local/lib" "/usr/local/lib/X11" \
2288                         "/usr/lib" "/usr/lib/X11"; do
2289                         if test -r "$dir/libX11.a"; then
2290                                 x_libraries="$dir"
2291                                 break
2292                         fi
2293                 done
2294         fi
2295
2296         AC_PATH_XTRA
2297         if test "$with_x11" != "no"; then
2298                 if test "$no_x" = "yes"; then
2299                         with_x11=no
2300                         window_system=none
2301                         HAVE_X_WINDOWS=no
2302                 else
2303                         with_x11=yes
2304                         window_system=x11
2305                         HAVE_X_WINDOWS=yes
2306                 fi
2307         fi
2308 fi
2309
2310 dnl #### wmperry:: !x11 != NONE
2311 dnl case "$with_x11" in
2312 dnl  yes ) window_system=x11  HAVE_X_WINDOWS=yes ;;
2313 dnl  no  ) window_system=none HAVE_X_WINDOWS=no  ;;
2314 dnl esac
2315
2316 AM_CONDITIONAL([DESCEND_LWLIB], [test "$with_x11" = "yes"])
2317 if test "$with_x11" = "yes"; then
2318         AC_DEFINE([HAVE_X_WINDOWS], [1], [Description here!])
2319         AC_DEFINE([NeedFunctionPrototypes], [1], [Description here!])
2320         AC_DEFINE([FUNCPROTO], [15], [Whatever this is.])
2321         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2322         SXE_APPEND([lwlib], [MAKE_SUBDIR])
2323         SXE_APPEND([lwlib], [SRC_SUBDIR_DEPS])
2324
2325         SXE_ADD_SXEUIX11_OBJS([console-x.o device-x.o event-Xt.o frame-x.o])
2326         SXE_ADD_SXEUIX11_OBJS([glyphs-x.o objects-x.o redisplay-x.o select-x.o])
2327         SXE_ADD_SXEUIX11_OBJS([xgccache.o])
2328
2329         SXE_DUMP_LIBS
2330         ## some debian systems are trying to fool us ... now fool them back!
2331         if test -d "$x_includes"; then
2332                 CPPFLAGS="$CPPFLAGS -I$x_includes"
2333         fi
2334         if test -d "$x_libraries"; then
2335                 LDFLAGS="$LDFLAGS -L$x_libraries"
2336         fi
2337
2338         dnl Look for Motif, but only if not found in $x_includes and $x_libraries
2339         AC_CHECK_HEADERS([Xm/Xm.h])
2340         if test "$ac_cv_header_Xm_Xm_h" = "yes"; then
2341                 AC_CHECK_LIB([Xm], [XmStringFree], [got_motif=yes])
2342         fi
2343
2344         if test "$got_motif" != "yes"; then
2345                 dnl Try to find Motif dirs
2346                 dnl These take precedence over other X libs/includes, so PRE-pend
2347                 for lib_dir in \
2348                         "/usr/dt/lib" "/usr/lib/Motif2.1" \
2349                         "/usr/lib/Motif1.2" "/usr/lib/Motif1.1"; do
2350                         inc_dir=`echo $lib_dir | sed -e 's/lib/include/'`
2351                         if test -d "$lib_dir" -a -d "$inc_dir"; then
2352                                 case "$x_libraries" in
2353                                 *"$lib_dir"* )
2354                                         ;;
2355                                 *)
2356                                         x_libraries="$lib_dir $x_libraries"
2357                                         SXE_PREPEND(["-L${lib_dir}"], [X_LIBS])
2358                                         ;;
2359                                 esac
2360                                 case "$x_includes" in
2361                                 "$inc_dir"* )
2362                                         ;;
2363                                 *)
2364                                         x_includes="$inc_dir $x_includes"
2365                                         SXE_PREPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2366                                         ;;
2367                                 esac
2368                                 break; dnl only need ONE Motif implementation!
2369                         fi
2370                 done
2371         fi
2372
2373         dnl Contrib X libs/includes do NOT take precedence, so AP-pend
2374         for rel in "X11R7" "X11R6" "X11R5" "X11R4"; do
2375                 lib_dir="/usr/contrib/$rel/lib" inc_dir="/usr/contrib/$rel/include"
2376                 if test -d "$lib_dir" -a -d "$inc_dir"; then
2377                         case "$x_libraries" in
2378                         *"$lib_dir"* )
2379                                 ;;
2380                         *)
2381                                 x_libraries="$x_libraries $lib_dir"
2382                                 SXE_APPEND(["-L${lib_dir}"], [X_LIBS])
2383                                 ;;
2384                         esac
2385                         case "$x_includes" in
2386                         "$inc_dir"* )
2387                                 ;;
2388                         *)
2389                                 x_includes="$x_includes $inc_dir"
2390                                 SXE_APPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2391                                 ;;
2392                         esac
2393                         break; dnl Only need ONE X11 implementation !
2394                 fi
2395         done
2396
2397         dnl Avoid version mismatch for shared library libXm.so on osf4
2398         case "$opsys" in
2399         decosf*)
2400                 if test "$GCC" = yes -a -d "/usr/shlib"; then
2401                         SXE_APPEND([-L/usr/shlib], [X_LIBS]);
2402                 fi
2403                 ;;
2404         esac
2405
2406         LDFLAGS="$LDFLAGS $X_LIBS"
2407
2408         if test "$extra_verbose" = "yes"; then
2409                 echo
2410                 echo "X11 compilation variables:"
2411                 SXE_PRINT_VAR(x_libraries x_includes
2412                         X_CFLAGS X_LIBS X_PRE_LIBS X_EXTRA_LIBS)
2413                 echo
2414         fi
2415
2416         dnl Set up bitmaps search path.
2417         dnl The original suggestion was to unconditionally to append X11/bitmaps
2418         dnl to each element of $x_includes, I'm pretty sure this is the wrong
2419         dnl thing to do.  We test for bitmaps and X11/bitmaps directories on each
2420         dnl element and add them to BITMAPDIR if they exist.
2421         bitmapdirs=
2422         if test "$x_includes" != NONE; then
2423                 for i in $x_includes; do
2424                         if test -d "$i/bitmaps"; then
2425                                 bitmapdirs="$i/bitmaps:$bitmapdirs"
2426                         fi
2427                         if test -d "$i/X11/bitmaps"; then
2428                                 bitmapdirs="$i/X11/bitmaps:$bitmapdirs"
2429                         fi
2430                 done
2431                 bitmapdirs=`echo "$bitmapdirs" | sed s/.$//`
2432         fi
2433         if test ! -z "$bitmapdirs"; then
2434                 AC_DEFINE_UNQUOTED([BITMAPDIR], ["$bitmapdirs"], [Description here!])
2435         fi
2436
2437 dnl   dnl Autodetect defines extracted from X config by xmkmf, e.g. NARROWPROTO
2438 dnl   AS_MESSAGE(checking for X defines extracted by xmkmf)
2439 dnl   rm -fr conftestdir
2440 dnl   if mkdir conftestdir; then
2441 dnl     cd conftestdir
2442 dnl     cat > Imakefile <<'EOF'
2443 dnl xetest:
2444 dnl     @echo ${PROTO_DEFINES} ${STD_DEFINES}
2445 dnl EOF
2446 dnl     if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
2447 dnl       # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
2448 dnl       xmkmf_defines=`${MAKE-make} xetest 2>/dev/null | grep -v make`
2449 dnl     fi
2450 dnl     cd ..
2451 dnl     rm -fr conftestdir
2452 dnl     for word in $xmkmf_defines; do
2453 dnl       case "$word" in
2454 dnl       -D__STDC__*) ;;
2455 dnl       -D* )
2456 dnl     sym=`echo '' $word | sed -e 's:^ *-D::' -e 's:=.*::'`
2457 dnl     case "$word" in
2458 dnl       -D*=* ) val=`echo '' $word | sed -e 's:^.*=::'` ;;
2459 dnl       *     ) val=1 ;;
2460 dnl     esac
2461 dnl dnl Avoid re-AC_DEFINE-ing xmkmf symbols we've already defined above.
2462 dnl     if grep "^#define $sym " confdefs.h >/dev/null; then :; else
2463 dnl       if test "$val" = "1"
2464 dnl         then AC_DEFINE_UNQUOTED([$sym], [], [Description here!])
2465 dnl         else AC_DEFINE_UNQUOTED([$sym], [$val], [Description here!])
2466 dnl       fi
2467 dnl     fi  ;;
2468 dnl       esac
2469 dnl     done
2470 dnl   fi
2471
2472         dnl make sure we can find Intrinsic.h
2473         AC_CHECK_HEADER([X11/Intrinsic.h], [],
2474                 [AC_MSG_ERROR([Unable to find X11 header files. Try using --x-includes=<path> if you know the path, or --with-x=no to disable X11 support.])])
2475
2476         dnl Check some more headers
2477         AC_CHECK_HEADERS([X11/Intrinsic.h X11/StringDefs.h X11/Shell.h X11/ShellP.h],
2478                 [],[],
2479                 [[#if HAVE_X11_INTRINSIC_H
2480                   # include <X11/Intrinsic.h>
2481                   # include <X11/IntrinsicP.h>
2482                   # include <X11/CoreP.h>
2483                   #endif]])
2484
2485         dnl -lXt and -lX11 are required
2486         dnl Some broken systems require the magic "-b i486-linuxaout" flag
2487
2488         dnl Other broken systems will not pass these tests unless the pre and
2489         dnl extra libs are passed on...
2490         LIBS="$LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
2491         AC_CHECK_LIB(X11, XOpenDisplay, have_lib_x11=yes)
2492         if test "$have_lib_x11" != "yes"; then
2493                 AC_CHECK_LIB([X11], [XGetFontProperty],
2494                         [],
2495                         [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.])])
2496         fi
2497         SXE_PREPEND([-lX11], [libs_x])
2498         LIBS="$LIBS -lX11"
2499         if test "$extra_verbose" = "yes"; then
2500                 echo "    Setting libs_x to \"-lX11\""
2501         fi
2502         dnl Autodetect -lXext
2503         AC_CHECK_LIB([Xext], [XShapeSelectInput], [SXE_PREPEND([-lXext], [libs_x])])
2504
2505         dnl Require -lXt
2506         AC_CHECK_LIB([Xt], [XtOpenDisplay], [SXE_PREPEND([-lXt], [libs_x])], [
2507                 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.])])
2508
2509         AC_MSG_CHECKING([the version of X11 being used])
2510         AC_RUN_IFELSE([AC_LANG_SOURCE([[
2511 #include <X11/Intrinsic.h>
2512 int main(int c, char *v[]) { return c>1 ? XlibSpecificationRelease : 0; }]])],
2513                 [./conftest foobar; x11_release=$?],[x11_release=4],[x11_release=4])
2514         AC_MSG_RESULT(R${x11_release})
2515         AC_DEFINE_UNQUOTED([X11_RELEASE], [${x11_release}], [Description here!])
2516
2517         AC_CHECK_FUNCS([XConvertCase])
2518         AC_CHECK_LIB([Xt], [XtRegisterDrawable])
2519         if test "$ac_cv_lib_Xt_XtRegisterDrawable" = "yes"; then
2520                 AC_DEFINE([HAVE_XTREGISTERDRAWABLE], [1], [Description])
2521         fi
2522
2523         AC_CHECK_HEADERS(X11/Xlocale.h)
2524
2525         dnl XFree86 has a non-standard prototype for this X11R6 function
2526         AC_CHECK_FUNCS(XRegisterIMInstantiateCallback)
2527         AC_MSG_CHECKING(for standard XRegisterIMInstantiateCallback prototype)
2528         AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2529 #ifndef NeedFunctionPrototypes
2530 #define NeedFunctionPrototypes 1
2531 #endif
2532 #include <X11/Xlib.h>
2533 extern Bool XRegisterIMInstantiateCallback(
2534         Display*, struct _XrmHashBucketRec*, char*, char*, XIMProc, XPointer*);
2535 ]])],
2536         [AC_MSG_RESULT(yes)],
2537         [AC_MSG_RESULT(no)
2538                 AC_DEFINE([XREGISTERIMINSTANTIATECALLBACK_NONSTANDARD_PROTOTYPE],
2539                         [], [Description here!])])
2540
2541         dnl autodetect -lXmu
2542         AC_CHECK_LIB([Xmu], [XmuReadBitmapDataFromFile],
2543                 [with_xmu=yes], [with_xmu=no])
2544         if test "$with_xmu" = "no"; then
2545                 SXE_ADD_SXEUIX11_OBJS([xmu.o])
2546         else
2547                 SXE_PREPEND([-lXmu], [libs_x])
2548                 AC_DEFINE([HAVE_XMU], [1], [Description here!])
2549         fi
2550
2551         dnl Autodetect -lXbsd
2552         dnl #### Someone, please add a better function than main
2553         AC_CHECK_LIB([Xbsd], [main], SXE_PREPEND([-lXbsd], [libs_x]))
2554
2555         dnl restore old values
2556         SXE_RESTORE_LIBS
2557 fi dnl $with_x11 = yes
2558
2559 AC_SUBST([install_pp])
2560
2561 dnl test "$with_dragndrop" != "no" && with_dragndrop="$with_dragndrop_default"
2562 dnl test -z "$window_system" && window_system="none"
2563 with_dragndrop="no"
2564
2565 dnl Test for features that require a window system - ANY window system
2566 if test "$window_system" = "none"; then
2567   for feature in menubars scrollbars toolbars dialogs dragndrop xface
2568   do
2569     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2570        AC_MSG_WARN([--with-$feature ignored:  Not valid without window system support])
2571     fi
2572     eval "with_${feature}=no"
2573   done
2574 else
2575   test -z "with_toolbars" && with_toolbars=yes
2576 fi
2577
2578 dnl Test for features that require X11 support
2579 if test "$with_x11" != "yes"; then
2580   for feature in offix wmcommand xim xmu nas_sound
2581   do
2582     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2583        AC_MSG_WARN([--with-$feature ignored:  Not valid without X support])
2584     fi
2585     eval "with_${feature}=no"
2586   done
2587 fi
2588
2589 dnl Balloon Help requires the Shape extension, not available everywhere,
2590 dnl for example not on AIX 4.3.
2591 if test "$with_x11" = "yes"; then
2592   AC_CHECK_HEADER(X11/extensions/shape.h, [
2593    AC_DEFINE([HAVE_BALLOON_HELP], [1], [Description here!])
2594    SXE_ADD_SXEUIX11_OBJS(balloon_help.o balloon-x.o)
2595    ])
2596 fi
2597
2598 dnl FSF 19.29 has some bitmapdir stuff here.
2599 bitmapdir=
2600
2601 case "$window_system" in
2602   x11  ) HAVE_X_WINDOWS=yes; echo "  Using X11." ;;
2603   none ) HAVE_X_WINDOWS=no ; echo "  Using no window system." ;;
2604 esac
2605
2606 if test -n "$window_system" -a "$window_system" != "none"; then
2607         AC_DEFINE_UNQUOTED([HAVE_WINDOW_SYSTEM], [1], [Description here!])
2608 else
2609     dnl It ought to be reasonable to have no output device at all, and only use
2610     dnl SXEmacs in --batch mode.
2611     if test "$with_tty" = "no" ; then
2612        AC_MSG_WARN([No window system support and no TTY support - You will only be able to use --batch mode.])
2613     fi
2614 fi
2615
2616 case "$x_libraries" in *X11R4* )
2617   test "$opsys" = "hpux9"     && opsysfile="s/hpux9-x11r4.h"
2618   test "$opsys" = "hpux9-shr" && opsysfile="s/hpux9shxr4.h"
2619 esac
2620
2621 dnl Enable or disable proper handling of WM_COMMAND
2622 AS_MESSAGE(checking for WM_COMMAND option);
2623 dnl if test "$with_wmcommand" = "yes"; then
2624 if test "$with_wmcommand" != "no"; then
2625   AC_DEFINE([HAVE_WMCOMMAND], [1], [Description here!])
2626 fi
2627
2628 dnl Autodetect Xauth
2629 dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
2630 test "$with_xauth" != "no" && test "$window_system" = "none" && with_xauth=no
2631 SXE_DUMP_LIBS
2632 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2633 LDFLAGS="$LDFLAGS $X_LIBS"
2634 AC_CHECK_HEADER([X11/Xauth.h], [:], [with_xauth=no])
2635 AC_CHECK_LIB([Xau], [XauGetAuthByAddr], [:], [with_xauth=no])
2636 if test "$with_xauth" = "yes"; then
2637   AC_DEFINE([HAVE_XAUTH], [1], [Description here!])
2638   SXE_CONSECUTIVE_UNDUP([libs_xauth], [$X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS])
2639 fi
2640 SXE_RESTORE_LIBS
2641 AC_SUBST(libs_xauth)
2642
2643 dnl ----------------------
2644 dnl X-Specific Graphics libraries
2645 dnl ----------------------
2646
2647 ## Oki, now that we really need a more exhaustive way to autodetect
2648 ## athena and other widgets we construct a chain.  The elements of
2649 ## that chain are simple atomic tests (provided by AC_DEFUNs).
2650 ## The chain is defined to be:
2651 ##
2652 ## neXtaw -> Xaw3d -> XawXpm -> Xaw95  ->  Xaw  ->  Motif  ->  Nirvana
2653 ## ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^      ^^^      ^^^^^
2654 ##         3d sets                       non-3d   non-athena
2655 ##
2656 ## Now if the user passes a --with-athena=foo option, we jump
2657 ## directly to the according test-suite and in case this fails we jump
2658 ## off the cliff.
2659 ##
2660 ## Attention:
2661 ## We shall perform every test-suite twice, once the correct way, and
2662 ## once with #include'ing the Xfuncproto header.
2663 ## Thanks to the many, many distributions which treat their users
2664 ## like braindead zombies!
2665 ## Especially, I would like to thank Fedora/RedHat for bringing
2666 ## this up. Go on guys, you rock!
2667
2668 ## and now the test chain
2669 if test "$with_x11" = "yes" -a "$with_x" != "no"; then
2670         SXE_CHECK_XTOOLKITS
2671         SXE_CHECK_XT_DEPENDENCIES
2672 else
2673         with_menubars=no
2674         with_scrollbars=no
2675         with_dialogs=no
2676         with_toolbars=no
2677         with_widgets=no
2678 fi
2679
2680 dnl Always compile OffiX unless --without-offix is given, no
2681 dnl X11 support is compiled in, no standard Xmu is available,
2682 dnl or dragndrop support is disabled
2683 dnl Because OffiX support currently loses when more than one display
2684 dnl is in use, we now disable it by default -slb 07/10/1998.
2685 test "$window_system" != "x11" && with_offix=no
2686 if test "$with_xmu" != yes -a "$with_x11" = yes; then
2687   if test "$with_offix" = "yes" ; then
2688     AC_MSG_WARN([--with-offix forced to `no'; no real Xmu support])
2689   fi
2690   with_offix=no
2691 fi
2692 if test "$with_dragndrop" = "no" ; then
2693   if test "$with_offix" = "yes" ; then
2694     AC_MSG_WARN([--with-offix forced to `no'; no generic Drag'n'Drop support])
2695   fi
2696   with_offix=no
2697 fi
2698 if test "$with_offix" = "yes"; then
2699   AC_DEFINE([HAVE_OFFIX_DND], [1], [Description here!])
2700   SXE_APPEND(offix.o, dnd_objs)
2701   SXE_APPEND(OffiX, dragndrop_proto)
2702 fi
2703
2704
2705 ## TTY Options
2706 ## ===========
2707 echo
2708 echo "TTY Options"
2709 echo "==========="
2710
2711
2712 dnl ---------------------
2713 dnl TTY-dependent options
2714 dnl ---------------------
2715
2716 dnl checks for header files
2717 AC_CHECK_HEADERS([libintl.h nlist.h sgtty.h termio.h termios.h])
2718
2719 if test "$with_tty" != "no"  ; then
2720        AS_MESSAGE(checking for TTY-related features)
2721         AC_DEFINE([HAVE_TTY], [1], [Description here!])
2722         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2723         SXE_ADD_SXEUITTY_OBJS([console-tty.o device-tty.o event-tty.o frame-tty.o objects-tty.o redisplay-tty.o cm.o])
2724
2725   dnl Autodetect ncurses.
2726   AC_CHECK_LIB(ncurses, tgetent, , with_ncurses=no)
2727   AC_CHECK_LIB(ncurses, tgetstr, , with_ncurses=no)
2728   AC_CHECK_LIB(ncurses, tparm, , with_ncurses=no)
2729   if test "$with_ncurses" != "no"; then
2730     AC_DEFINE([HAVE_NCURSES], [1], [Description here!])
2731     with_ncurses=yes
2732     AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2733     if test -z "$curses_h_file"; then
2734             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2735     fi
2736     if test -n "$curses_h_file"; then
2737             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2738             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2739     else
2740             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2741             AC_CHECK_HEADER(termcap.h, termcap_h_file=termcap.h)
2742             AC_CHECK_HEADER(term.h,    term_h_file=term.h)
2743     fi
2744     SXE_ADD_SXEUITTY_OBJS(terminfo.o)
2745     SXE_PREPEND(-lncurses, LIBS)
2746
2747     if test -z "$curses_h_file" ; then
2748       dnl Try again, and check for the bogus ncurses/ include bug.
2749       dnl (i.e. ncurses/curses.h bogusly includes <unctrl.h> instead of
2750       dnl <ncurses/unctrl.h>)
2751       save_c_switch_site="$c_switch_site"
2752       c_switch_site="$c_switch_site -I/usr/include/ncurses"
2753       AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2754       if test -z "$curses_h_file"; then
2755             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2756       fi
2757       if test -n "$curses_h_file"; then
2758             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2759             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2760       else
2761             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2762             AC_CHECK_HEADER(termcap.h, curses_h_file=termcap.h)
2763             AC_CHECK_HEADER(term.h,    curses_h_file=term.h)
2764       fi
2765       if test -n "$curses_h_file"
2766         then AC_MSG_WARN([Your system has the bogus ncurses include bug.])
2767         else c_switch_site="$save_c_switch_site"
2768       fi
2769     fi
2770   fi
2771   if test "$with_ncurses" = "no" -o -z "$curses_h_file" ; then
2772
2773     # Check alternate library includes
2774     for lib in curses term terminfo termcap; do
2775         AC_CHECK_HEADER(${lib}.h, [
2776                 eval ${lib}_h_file=${lib}.h
2777                 AC_CHECK_LIB($lib, tgetent, eval have_${lib}=yes, eval have_${lib}=no)
2778                 AC_CHECK_LIB($lib, tgetstr, , eval have_${lib}=no)])
2779     done
2780
2781     for lib in curses terminfo termlib termcap; do
2782           have_lib_eval=`eval echo \\$have_$lib`
2783           if test "$have_lib_eval" = "yes"; then
2784                 AC_CHECK_LIB($lib, tparm,
2785                           SXE_ADD_SXEUITTY_OBJS(terminfo.o),
2786                           SXE_ADD_SXEUITTY_OBJS(tparam.o))
2787                 SXE_PREPEND(-l${lib}, LIBS)
2788                 break
2789           fi
2790     done
2791   fi
2792   if test -n "$curses_h_file"; then
2793         AC_DEFINE_UNQUOTED([HAVE_CURSES_H], [1], [There is a curses.h header file available])
2794   fi
2795   if test -n "$termcap_h_file"; then
2796         AC_DEFINE_UNQUOTED([HAVE_TERMCAP_H], [1], [There is a termcap.h header available])
2797   fi
2798   if test -n "$term_h_file"; then
2799         AC_DEFINE_UNQUOTED([HAVE_TERM_H], [1], [There is a term.h header available])
2800   fi
2801   AC_DEFINE_UNQUOTED([CURSES_H_FILE], ["${curses_h_file-curses.h}"], [The curses.h header file])
2802   AC_DEFINE_UNQUOTED([TERMCAP_H_FILE], ["${termcap_h_file-termcap.h}"], [The termcap.h header file])
2803   AC_DEFINE_UNQUOTED([TERM_H_FILE], ["${term_h_file-term.h}"], [The term.h header file])
2804
2805   dnl General Purpose Mouse (libgpm) support
2806   if test "$with_gpm" != "no"; then
2807     AC_CHECK_HEADER(gpm.h, [
2808       AC_CHECK_LIB(gpm, Gpm_Open, have_gpm=yes)])
2809     if test "$have_gpm" = "yes"; then
2810       with_gpm=yes
2811       AC_DEFINE([HAVE_GPM], [1], [General Purpose Mouse (libgpm) is available])
2812       SXE_ADD_SXEUITTY_OBJS(gpmevent.o)
2813       SXE_PREPEND(-lgpm, LIBS)
2814     else
2815       with_gpm=no
2816     fi
2817   fi
2818
2819 else dnl "$with_tty" = "no"
2820   for feature in ncurses curses termcap terminfo termlib gpm; do
2821     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2822       AC_MSG_WARN([--with-${feature} ignored:  Not valid without TTY support])
2823     fi
2824     eval "with_${feature}=no"
2825   done
2826 fi dnl with_tty
2827
2828 SXE_CHECK_UI_SUFFICIENCY
2829
2830 ## Uncertain options
2831 ## =================
2832 echo
2833 echo "Uncertain options"
2834 echo "================="
2835
2836 ## for native xml support one day
2837 SXE_LANG_CHECK_XML
2838 SXE_CHECK_SUFFICIENCY([libxml2], [xml language])
2839 ## for BoehmGC support one day
2840 SXE_CHECK_BDWGC
2841 SXE_CHECK_SUFFICIENCY([bdwgc], [Boehm-Demers-Weiser GC])
2842
2843 if test "$with_experimental_features_bdwgc" = "yes"; then
2844         AC_MSG_CHECKING([if bdwgc prerequisites are met])
2845         AC_MSG_RESULT([${have_bdwgc}])
2846         have_experimental_features_bdwgc=${have_bdwgc}
2847         if test "${have_bdwgc}" = "yes"; then
2848                 AC_DEFINE([EF_USE_BDWGC], [1],
2849                         [Whether to actually use the BDWGC!])
2850         fi
2851 fi
2852
2853
2854 dnl This one is for the static initializeds variables in
2855 dnl offix.c, so that the thing is dumped after lastfile.o
2856 AC_SUBST(dnd_objs)
2857
2858 dnl Autodetect dll support
2859
2860 LIBSTDCPP=
2861 AC_SUBST(LIBSTDCPP)
2862
2863
2864 ## Multimedia Options
2865 ## ==================
2866 echo
2867 echo "Multimedia Options"
2868 echo "=================="
2869
2870 dnl ----------------------
2871 dnl Graphics libraries
2872 dnl ----------------------
2873
2874 if test "$with_image_xpm" = "yes"; then
2875         SXE_MM_CHECK_XPM([have_image_xpm=yes], [have_image_xpm=no])
2876
2877         AC_MSG_CHECKING([for sufficient xpm support])
2878         if test "$have_image_xpm" = "yes"; then
2879                 AC_MSG_RESULT([yes])
2880                 AC_DEFINE([HAVE_XPM], [1], [Description here!])
2881                 SXE_PREPEND([-lXpm], [MM_LIBS])
2882         else
2883                 AC_MSG_RESULT([no])
2884                 have_image_xpm=no
2885         fi
2886 fi
2887 AM_CONDITIONAL([WITH_BDWGC],
2888         [test "$with_experimental_features_bdwgc" = "yes" -a \
2889               "$have_bdwgc" = "yes"])
2890
2891 if test "$with_image_xface" = "yes"; then
2892         SXE_MM_CHECK_XFACE([have_image_xface=yes], [have_image_xface=no])
2893
2894         AC_MSG_CHECKING([for sufficient xface support])
2895         if test "$have_image_xface" = "yes"; then
2896                 AC_MSG_RESULT([yes])
2897                 AC_DEFINE([HAVE_XFACE], [1], [dnl
2898                         Both compface.h and libcompface have been found.])
2899                 SXE_PREPEND([-lcompface], [MM_LIBS])
2900         else
2901                 AC_MSG_RESULT([no])
2902                 have_image_xface=no
2903         fi
2904 fi
2905
2906 if test "$with_image_gif" = "yes"; then
2907         SXE_MM_CHECK_GIF([have_image_gif=yes], [have_image_gif=no])
2908
2909         AC_MSG_CHECKING([for sufficient gif support])
2910         if test "$have_image_gif" = "yes"; then
2911                 AC_MSG_RESULT([yes])
2912                 AC_DEFINE([HAVE_GIF], [1], [Enable internal GIF decoding])
2913                 SXE_ADD_MM_OBJS(dgif_lib.o gif_io.o)
2914         else
2915                 AC_MSG_RESULT([no])
2916         fi
2917 fi
2918
2919 SXE_MM_SEARCH_INFLATE
2920
2921 if test "$with_image_jpeg" = "yes"; then
2922         SXE_MM_CHECK_JPEG([have_image_jpeg=yes], [have_image_jpeg=no])
2923
2924         AC_MSG_CHECKING([for sufficient jpeg support])
2925         if test "$have_image_jpeg" = "yes"; then
2926                 AC_MSG_RESULT([yes])
2927                 AC_DEFINE([HAVE_JPEG], [1], [
2928                         Both jpeglib.h and libjpeg have been found.])
2929                 SXE_PREPEND([-ljpeg], [MM_LIBS])
2930         else
2931                 AC_MSG_RESULT([no])
2932         fi
2933 fi
2934
2935 if test "$with_image_png" = "yes"; then
2936         AC_DEFINE([WITH_PNG], [1], [Define to 1 if png support is desired.])
2937         SXE_MM_CHECK_PNG([have_image_png="yes"], [have_image_png="no"])
2938
2939         SXE_MSG_CHECKING([for sufficient PNG support])
2940         SXE_MSG_RESULT([${sxe_cv_feat_png}])
2941         if test "$sxe_cv_feat_png" = "yes"; then
2942                 SXE_PREPEND_UNDUP([$PNG_CPPFLAGS], [MM_CPPFLAGS])
2943                 SXE_PREPEND_UNDUP([$PNG_LDFLAGS], [MM_LDFLAGS])
2944                 SXE_PREPEND([$PNG_LIBS], [MM_LIBS])
2945         fi
2946 fi
2947
2948 if test "$with_image_tiff" = "yes"; then
2949         SXE_MM_CHECK_TIFF([have_image_tiff=yes], [have_image_tiff=no])
2950
2951         AC_MSG_CHECKING([for sufficient TIFF support])
2952         if test "$have_image_tiff" = "yes"; then
2953                 AC_MSG_RESULT([yes])
2954                 AC_DEFINE([HAVE_TIFF], [1], [
2955                         Both tiffio.h and libtiff have been found.])
2956                 SXE_PREPEND([-ltiff], [MM_LIBS])
2957         else
2958                 AC_MSG_RESULT([no])
2959         fi
2960 fi
2961
2962 dnl Check for audio output and media stream libraries.
2963
2964 dnl internal media stream analysis support
2965 if test "$with_media_internal" != "no"; then
2966         need_media_internal=yes
2967         have_media_internal=yes
2968 fi
2969
2970 ## Since almost any of the below tests uses pkgconfig we make a
2971 ## once-for-all-times check now
2972 SXE_SEARCH_CONFIG_PROG([pkg-config])
2973
2974 dnl libsndfile support
2975 if test "$with_media_sndfile" != "no"; then
2976         SXE_MM_CHECK_SNDFILE([have_media_sndfile=yes], [have_media_sndfile=no])
2977
2978         AC_MSG_CHECKING([for sufficient sndfile support])
2979         if test "$have_media_sndfile" = "yes"; then
2980                 AC_MSG_RESULT([yes])
2981                 SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
2982                 SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags sndfile`
2983                 SNDFILE_VERSION=`$PKG_CONFIG --modversion sndfile`
2984                 SXE_PREPEND([$SNDFILE_LIBS], [MM_LIBS])
2985                 SXE_PREPEND_UNDUP([$SNDFILE_CPPFLAGS], [MM_CPPFLAGS])
2986                 SXE_ADD_MM_OBJS([media-sndfile.o])
2987                 AC_DEFINE([HAVE_SNDFILE], [1],
2988                         [Whether we appear to have support for the sndfile library!])
2989                 AC_DEFINE_UNQUOTED([SNDFILE_VERSION], [$SNDFILE_VERSION],
2990                         [Version of the sndfile library!])
2991         else
2992                 AC_MSG_RESULT([no])
2993                 have_media_sndfile=no
2994         fi
2995 fi
2996
2997 dnl libavcodec/libavformat/ffmpeg support
2998 if test "$with_media_ffmpeg" != "no"; then
2999         SXE_MM_CHECK_FFMPEG([have_media_ffmpeg=yes], [have_media_ffmpeg=no])
3000
3001         AC_MSG_CHECKING([for sufficient FFmpeg support])
3002
3003         if test "$have_media_ffmpeg" = "yes"; then
3004                 AC_MSG_RESULT([yes])
3005                 FFMPEG_LIBS=`$PKG_CONFIG --libs libavformat`
3006                 FFMPEG_CPPFLAGS=`$PKG_CONFIG --cflags libavformat`
3007                 SXE_PREPEND($FFMPEG_LIBS, MM_LIBS)
3008                 SXE_PREPEND_UNDUP($FFMPEG_CPPFLAGS, MM_CPPFLAGS)
3009                 SXE_ADD_MM_OBJS([media-ffmpeg.o])
3010                 AC_DEFINE([HAVE_FFMPEG], [1], [Description here!])
3011         else
3012                 AC_MSG_RESULT([no])
3013                 have_media_ffmpeg=no
3014         fi
3015 fi
3016
3017 dnl sox support
3018 if test "$with_media_sox" != "no"; then
3019         ## defines $LIBST_CONFIG
3020         SXE_MM_CHECK_SOX([have_media_sox=yes], [have_media_sox=no])
3021
3022         AC_MSG_CHECKING([for sufficient SoX support])
3023         if test "$sxe_cv_feat_sox" = "yes"; then
3024                 AC_MSG_RESULT([yes])
3025                 SXE_ADD_MM_OBJS([media-sox.o])
3026                 SXE_PREPEND_UNDUP([$sox_cppflags], [MM_CPPFLAGS])
3027                 SXE_PREPEND_UNDUP([$sox_ldflags], [MM_LDFLAGS])
3028                 SXE_PREPEND([$sox_libs], [MM_LIBS])
3029                 AC_DEFINE([HAVE_SOX], [1], [Description here!])
3030         else
3031                 AC_MSG_RESULT(no)
3032                 have_media_sox=no
3033         fi
3034 fi
3035
3036 dnl mad support
3037 if test "$with_media_mad" != "no"; then
3038         SXE_MM_CHECK_MAD([have_media_mad=yes], [have_media_mad=no])
3039
3040         AC_MSG_CHECKING([for sufficient mad support])
3041         if test "$have_media_mad" = "yes"; then
3042                 AC_MSG_RESULT([yes])
3043                 SXE_ADD_MM_OBJS([media-mad.o])
3044                 SXE_PREPEND([-lmad], [MM_LIBS])
3045                 AC_DEFINE([HAVE_MAD], [1], [Description here!])
3046         else
3047                 AC_MSG_RESULT(no)
3048                 have_media_mad=no
3049         fi
3050 fi
3051
3052 ## file/libmagic support
3053 if test "$with_media_magic" != "no"; then
3054         SXE_MM_CHECK_MAGIC([have_media_magic=yes], [have_media_magic=no])
3055
3056         AC_MSG_CHECKING([for sufficient magic support])
3057         if test "$have_media_magic" = "yes"; then
3058                 AC_MSG_RESULT([yes])
3059                 SXE_ADD_MM_OBJS([media-magic.o])
3060                 SXE_PREPEND([-lmagic], [MM_LIBS])
3061                 AC_DEFINE([HAVE_MAGIC], [1], [Whether libmagic is available])
3062         else
3063                 AC_MSG_RESULT([no])
3064                 have_media_magic=no
3065         fi
3066 fi
3067
3068
3069 dnl Autodetect OSS sound
3070 AS_MESSAGE([checking for OSS sound support])
3071 dnl test -z "$with_sound_oss" -a -n "$with_oss_sound_lib" && with_sound_oss=yes
3072
3073 dnl Check for Linux/BSD sound (called OSS)
3074 if test "$with_sound_oss" != "no"; then
3075         SXE_MM_CHECK_OSS([have_sound_oss=yes], [have_sound_oss=no])
3076
3077         AC_MSG_CHECKING([for sufficient OSS support])
3078         if test "$have_sound_oss" = "yes"; then
3079                 AC_MSG_RESULT([yes])
3080                 SXE_ADD_MM_OBJS([sound-oss.o])
3081                 AC_DEFINE([HAVE_INTERNAL_SOUND], [1], [Description here!])
3082                 AC_DEFINE([HAVE_OSS_SOUND], [1], [Description here!])
3083         else
3084                 AC_MSG_RESULT([no])
3085                 have_sound_oss=yes
3086         fi
3087 fi
3088
3089 dnl NAS Sound support
3090 if test "$with_sound_nas" != "no"; then
3091         SXE_MM_CHECK_NAS([have_sound_nas=yes], [have_sound_nas=no])
3092
3093         AC_MSG_CHECKING([for sufficient NAS support])
3094         if test "$have_sound_nas" = "yes"; then
3095                 AC_MSG_RESULT([yes])
3096                 AC_DEFINE([HAVE_NAS_SOUND], [1], [Description here!])
3097                 SXE_ADD_MM_OBJS([sound-nas.o])
3098                 SXE_PREPEND([-laudio], [MM_LIBS])
3099         else
3100                 AC_MSG_RESULT([no])
3101                 have_nas_sound=no
3102         fi
3103 fi
3104
3105 dnl ESD Sound support
3106 if test "$with_sound_esd" != "no"; then
3107         SXE_MM_CHECK_ESD([have_sound_esd=yes], [have_sound_esd=no])
3108
3109         AC_MSG_CHECKING([for sufficient ESD support])
3110         if test "$have_sound_esd" = "yes"; then
3111                 AC_MSG_RESULT([yes])
3112                 need_internal_media=yes
3113                 SXE_ADD_MM_OBJS([sound-esd.o])
3114                 ESD_LIBS=$("${ESD_CONFIG}" --libs)
3115                 SXE_PREPEND(["${ESD_LIBS}"], [MM_LIBS])
3116                 AC_DEFINE([HAVE_ESD_SOUND], [1], [Description here!])
3117         else
3118                 AC_MSG_RESULT([no])
3119                 have_esd_sound=no
3120         fi
3121 fi
3122
3123 dnl PulseAudio Sound support
3124 if test "$with_pulseaudio" != "no"; then
3125         SXE_MM_CHECK_PULSE([have_sound_pulse=yes], [have_sound_pulse=no])
3126
3127         AC_MSG_CHECKING([for sufficient PulseAudio support])
3128         if test "$have_sound_pulse" = "yes"; then
3129                 AC_MSG_RESULT([yes])
3130                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse`
3131                 pulse_version=`$PKG_CONFIG --modversion libpulse`
3132                 pulse_major_version=0
3133                 pulse_minor_version=`echo $pulse_version | \
3134                         sed -e "s/0\.\([[0-9]]*\).*/\1/"`
3135                 need_internal_media=yes
3136                 SXE_ADD_MM_OBJS([sound-pulse.o])
3137                 SXE_PREPEND($PULSEAUDIO_LIBS, MM_LIBS)
3138                 AC_DEFINE([HAVE_PULSE_SOUND], [1],
3139                         [Whether to put in support for PulseAudio.])
3140                 AC_DEFINE_UNQUOTED([PULSE_VERSION], [$pulse_minor_version],
3141                         [Version of the underlying pulse lib.])
3142         else
3143                 AC_MSG_RESULT(no)
3144                 have_sound_pulse=no
3145         fi
3146 fi
3147
3148 dnl Jack Sound support
3149 if test "$with_sound_jack" != "no"; then
3150         SXE_MM_CHECK_JACK([have_sound_jack=yes], [have_sound_jack=no])
3151
3152         AC_MSG_CHECKING([for sufficient Jack support])
3153         if test "$have_sound_jack" = "yes"; then
3154                 AC_MSG_RESULT([yes])
3155                 dnl okay, we have Jack on the system, but we have no working
3156                 dnl interface to it :(
3157                 JACK_LIBS=`$PKG_CONFIG --libs jack`
3158                 JACK_VERSION=`$PKG_CONFIG --modversion jack`
3159                 need_internal_media=yes
3160                 SXE_ADD_MM_OBJS([sound-jack.o])
3161                 SXE_PREPEND([$JACK_LIBS], [MM_LIBS])
3162                 AC_DEFINE([HAVE_JACK_SOUND], [1], [Description here!])
3163                 AC_DEFINE_UNQUOTED([JACK_VERSION], [$JACK_VERSION],
3164                         [Description here!])
3165         else
3166                 AC_MSG_RESULT(no)
3167         fi
3168 fi
3169
3170 dnl alsa sound support
3171 if test "$with_sound_alsa" != "no"; then
3172         SXE_MM_CHECK_ALSA([have_sound_alsa=yes], [have_sound_alsa=no])
3173
3174         AC_MSG_CHECKING([for sufficient ALSA support])
3175         if test "$have_sound_alsa" = "yes"; then
3176                 AC_MSG_RESULT([yes])
3177                 SXE_ADD_MM_OBJS([sound-alsa.o])
3178                 SXE_PREPEND([-lasound], [MM_LIBS])
3179         else
3180                 AC_MSG_RESULT(no)
3181                 have_sound_alsa=no
3182         fi
3183 fi
3184
3185 dnl libao sound support
3186 if test "$with_sound_ao" != "no"; then
3187         SXE_MM_CHECK_AO([have_sound_ao=yes], [have_sound_ao=no])
3188
3189         AC_MSG_CHECKING([for sufficient AO support])
3190         if test "$have_sound_ao" = "yes"; then
3191                 AC_MSG_RESULT([yes])
3192                 AO_LIBS=`$PKG_CONFIG --libs ao`
3193                 ao_version=`$PKG_CONFIG --modversion ao`
3194                 SXE_ADD_MM_OBJS([sound-ao.o])
3195                 SXE_PREPEND($AO_LIBS, MM_LIBS)
3196                 AC_DEFINE([HAVE_AO_SOUND], [1], [Description here!])
3197                 AC_DEFINE_UNQUOTED([AO_VERSION], [$ao_version], [Description here!])
3198         else
3199                 AC_MSG_RESULT(no)
3200                 have_sound_ao=no
3201         fi
3202 fi
3203
3204 if test \
3205    "$have_sound_alsa \
3206     $have_sound_ao \
3207     $have_sound_esd \
3208     $have_sound_jack \
3209     $have_sound_nas \
3210     $have_sound_pulse" != "no no no no no no"; then
3211         AC_DEFINE([HAVE_AUDIO], [1], [Description here!])
3212 fi
3213 if test "$need_internal_media" = "yes"; then
3214         with_internal_media=yes
3215         AC_DEFINE([HAVE_INTERNAL_MEDIA], [1], [Description here!])
3216         SXE_ADD_MM_OBJS([media-internal.o])
3217 fi
3218 AC_SUBST([MM_LIBS])
3219 AC_SUBST([MM_CPPFLAGS])
3220 AC_SUBST([MM_LDFLAGS])
3221 SXE_SUBST_MM_OBJS
3222
3223
3224 ## Internationalisation Options
3225 ## ============================
3226 echo
3227 echo "Internationalisation Options"
3228 echo "============================"
3229
3230 dnl ----------------------
3231 dnl Mule-dependent options
3232 dnl ----------------------
3233
3234 dnl if test "$with_mule" = "yes" && test ! -d "$sxe_srcdir/lisp/mule"; then
3235 dnl     echo "Attempt to Build with Mule without Mule/Lisp"
3236 dnl     echo "Please install the SXEmacs/Mule tarball or"
3237 dnl     echo "rerun configure with --with-mule=no"
3238 dnl     exit 1
3239 dnl fi
3240
3241 if test "$with_file_coding" = "yes" && test "$with_mule" = "no"; then
3242   AC_DEFINE([FILE_CODING], [1], [Description here!])
3243   SXE_ADD_MULE_OBJS(file-coding.o)
3244 fi
3245
3246 if test "$with_mule" = "yes" ; then
3247         SXE_CHECK_MULE
3248
3249 else dnl "$with_mule" = "no"
3250         for feature in xim canna wnn; do
3251                 if eval "test -n \"\$with_${feature}\" -a \
3252                         \"\$with_${feature}\" != no" ; then
3253                         AC_MSG_WARN([--with-${feature} ignored:  Not valid without Mule support])
3254                 fi
3255                 eval "with_${feature}=no"
3256         done
3257 fi dnl with_mule
3258 SXE_SUBST_MULE_OBJS
3259 AM_CONDITIONAL([WITH_MULE], [test "$with_mule" = "yes"])
3260
3261
3262 dnl At this point, we know whether we need the motif lib or not.
3263 if test "$need_motif" = "yes" ; then
3264         SXE_PREPEND([-lXm], [libs_x])
3265         dnl AIX needs the following library for use with Motif
3266         AC_CHECK_LIB([i18n], [layout_object_getvalue])
3267         if test "$ac_cv_lib_i18n_layout_object_getvalue" = "yes"; then
3268                 SXE_PREPEND([-li18n], [libs_x])
3269         fi
3270 fi
3271
3272 dnl getaddrinfo() is borked under hpux11
3273 if test "$ac_cv_func_getaddrinfo" != "no" ; then
3274   case "$opsys" in
3275     hpux11 )
3276       AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
3277       ac_cv_func_getaddrinfo=no
3278       ;;
3279   esac
3280 fi
3281
3282
3283 ## Database Options
3284 ## ================
3285 echo
3286 echo "Database Options"
3287 echo "================"
3288
3289 dnl Database support
3290 dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
3291 dnl On FreeBSD, both DB and DBM are part of libc.
3292 dnl By default, we check for DBM support in libgdbm, then libc, then libdbm.
3293
3294 ## initialise values
3295 have_database_berkdb=no
3296 have_database_gdbm=no
3297 have_database_dbm=no
3298
3299 if test "$with_database_gdbm $with_database_dbm $with_database_berkdb" \
3300    != "no no no"; then
3301         AS_MESSAGE(checking for database support)
3302 fi
3303
3304 dnl Check for ndbm.h, required for either kind of DBM support.
3305 if test "$with_database_gdbm $with_database_dbm" != "no no"; then
3306         SXE_CHECK_NDBM
3307         if test "$sxe_cv_feat_ndbm" = "no"; then
3308                 have_database_gdbm="no"
3309                 have_database_dbm="no"
3310         fi
3311 fi
3312
3313 dnl Check for DBM support in libgdbm or libgdbm_compat.
3314 if test "$with_database_gdbm" != "no"; then
3315         SXE_CHECK_GDBM
3316
3317         if test "$sxe_cv_feat_gdbm" = "yes"; then
3318                 have_database_gdbm="yes"
3319         else
3320                 have_database_gdbm="no"
3321         fi
3322 fi
3323
3324 dnl Check for DBM support in libc and libdbm.
3325 if test "$with_database_dbm" != "no"; then
3326         SXE_CHECK_DBM
3327
3328         if test "$sxe_cv_feat_gdbm" != "yes" -a \
3329                 "$sxe_cv_feat_dbm" = "yes"; then
3330                 have_database_dbm="yes"
3331         else
3332                 have_database_dbm="no"
3333         fi
3334 fi
3335
3336 dnl Check for Berkeley DB.
3337 if test "$with_database_berkdb" != "no"; then
3338         SXE_CHECK_BERKDB
3339
3340         if test "$sxe_cv_feat_berkdb" = "yes"; then
3341                 have_database_berkdb="yes"
3342         else
3343                 have_database_berkdb="no"
3344         fi
3345 fi
3346
3347 if test "$have_database_gdbm $have_database_dbm $have_database_berkdb" \
3348      != "no no no"; then
3349         AC_DEFINE([HAVE_DATABASE], [1], [Description here!])
3350         SXE_ADD_DB_OBJS([database.o])
3351
3352         SXE_CHECK_NDBM_BERKDB_CONFLICT
3353         if test "$sxe_cv_db_ndbm_berkdb_conflict" = "yes"; then
3354                 ## can't do nothing because the way we designed it
3355                 ## is going to conflict at compile time
3356                 have_database_gdbm="no"
3357                 have_database_dbm="no"
3358
3359         elif test "$have_database_gdbm $have_database_dbm" != "no no"; then
3360                 AC_DEFINE([HAVE_DBM], [1], [Description here!])
3361
3362                 ## Also, tell make about the DBM support we detected.
3363                 if test -n "$libdbm"; then
3364                         SXE_PREPEND([$libdbm], [DB_LIBS])
3365                 fi
3366         fi
3367 fi
3368
3369
3370 dnl Autodetect LDAP
3371 if test "$with_ldap" != "no"; then
3372         SXE_CHECK_LDAP
3373 fi
3374 if test "$have_ldap" = "yes"; then
3375         AC_DEFINE([HAVE_LDAP], [1], [Description here!])
3376         SXE_ADD_DB_OBJS(eldap.o)
3377         if test "$have_ldap_des" = "yes" ; then
3378                 SXE_PREPEND(-ldes, DB_LIBS)
3379         fi
3380         if test "$have_ldap_krb" = "yes" ; then
3381                 SXE_PREPEND(-lkrb, DB_LIBS)
3382         fi
3383         if test "$have_ldap_lber" = "yes" ; then
3384                 SXE_PREPEND(-llber, DB_LIBS)
3385         fi
3386         SXE_PREPEND(-lldap, DB_LIBS)
3387
3388         dnl save our values until here
3389         save_LIBS="$LIBS"
3390         LIBS="$DB_LIBS $LIBS"
3391         AC_CHECK_FUNCS(
3392                 [ldap_set_option ldap_get_lderrno ldap_result2error ldap_parse_result])
3393         dnl and restore
3394         LIBS="$save_LIBS"
3395 fi
3396
3397 dnl Autodetect PostgreSQL
3398 if test "x$with_postgresql" != "xno"; then
3399         SXE_CHECK_POSTGRESQL
3400 fi
3401 SXE_SUBST_DB_OBJS
3402
3403
3404 dnl Usage tracking (undocumented and likely unused option)
3405 if test "$usage_tracking" = "yes"; then
3406   AC_DEFINE([USAGE_TRACKING], [1], [Description here!])
3407   SXE_PREPEND(-Bstatic -lut -Bdynamic, LIBS)
3408 fi
3409
3410 dnl Unfortunately, just because we can link doesn't mean we can run.
3411 dnl One of the above link tests may have succeeded but caused resulting
3412 dnl executables to fail to run.  Also any tests using AC_RUN_IFELSE will
3413 dnl have reported incorrect results.
3414 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int c,char *v[]){return 0;}]])],[:],[
3415   echo ""
3416   echo "*** PANIC *** The C compiler can no longer build working executables."
3417   echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
3418   echo "*** PANIC *** The most likely reason for this problem is that configure"
3419   echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
3420   echo "*** PANIC *** found at run time."
3421   echo "*** PANIC ***"
3422   echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
3423   echo "*** PANIC *** On other systems, try telling configure where to find the"
3424   echo "*** PANIC *** shared libraries using the --with-site-runtime-libraries option"
3425   echo "*** PANIC ***"
3426   echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
3427   echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
3428   echo "*** PANIC *** on your system.  Don't do that."
3429   exit 1], [AS_MESSAGE(cannot cross-compile)])
3430
3431 dnl Process support
3432 AC_DEFINE([HAVE_UNIX_PROCESSES], [1], [Description here!])
3433
3434 dnl --------------------------------
3435 dnl Compute SUBST-itutable variables
3436 dnl --------------------------------
3437
3438 dnl We ignore (C|LD)_SWITCH_X_(MACHINE|SYSTEM)
3439 dnl Use SXE_CONSECUTIVE_UNDUP instead of plain assignment statements to remove extraneous blanks
3440 if test "$with_module_support" = "yes"; then
3441         ld_libs_module=
3442 else
3443         SXE_CONSECUTIVE_UNDUP(ld_libs_module, $ldap_libs $postgresql_libs)
3444 fi
3445
3446 SXE_UNDUP(CFLAGS, $CFLAGS)
3447 SXE_UNDUP(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system $CFLAGS $CPPFLAGS)
3448 SXE_UNDUP(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
3449 SXE_UNDUP(c_switch_all, $c_switch_general $c_switch_window_system)
3450 SXE_UNDUP(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
3451 SXE_UNDUP(ld_switch_window_system, $ld_switch_x_site)
3452 SXE_UNDUP(ld_switch_all, $ld_switch_general $ld_switch_window_system)
3453 dnl Since some systems need libs to be restated later, we can't just dedup, we can only safely dedup
3454 dnl consecutive occurrences
3455 SXE_CONSECUTIVE_UNDUP(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
3456 SXE_CONSECUTIVE_UNDUP(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
3457 SXE_CONSECUTIVE_UNDUP(ld_libs_all, $OPENSSL_LIBS $DB_LIBS $ENT_LIBS $MM_LIBS $ld_libs_window_system $ld_libs_general $ld_libs_module)
3458
3459 dnl For no-module builds, make the src dir last
3460 if test "$with_module_support" = "no"; then
3461         SXE_APPEND(src, MAKE_SUBDIR)    dnl is that still important?
3462 fi
3463
3464 EMACS=$sxe_blddir/src/$PROGNAME
3465 AC_SUBST(EMACS)
3466
3467 dnl Compute lists of Makefiles and subdirs
3468 AC_SUBST(SRC_SUBDIR_DEPS)
3469 internal_makefile_list="Makefile.in"
3470 SUBDIR_MAKEFILES=''
3471 test -d lock || mkdir lock
3472 for dir in $MAKE_SUBDIR; do
3473   case "$dir" in */* ) dnl Implement mkdir -p
3474     ( for d in `echo $dir | sed 's:/: :g'` ; do
3475         test -d "$d" || mkdir "$d"; cd "$d"
3476       done ) ;;
3477    * ) test -d "$dir" || mkdir "$dir" ;;
3478   esac
3479   SXE_SPACE(SUBDIR_MAKEFILES, $SUBDIR_MAKEFILES $dir/Makefile $dir/Makefile)
3480   SXE_SPACE(internal_makefile_list, $internal_makefile_list $dir/Makefile.in)
3481 done
3482
3483 AC_SUBST(INSTALL_ARCH_DEP_SUBDIR)
3484 AC_SUBST(MAKE_SUBDIR)
3485 AC_SUBST(MAKE_AM_SUBDIR)
3486 AC_SUBST(SUBDIR_MAKEFILES)
3487
3488 dnl ----------------------------------------------
3489 dnl Create some auxiliary files for developers.
3490 dnl ----------------------------------------------
3491
3492 dnl Create a useful TAGS file
3493 if test -f "$sxe_srcdir/TAGS" -a ! -f "TAGS"; then
3494   test "$extra_verbose" = "yes" && echo "creating TAGS"
3495   echo "\f
3496 $sxe_srcdir/TAGS,include" > "TAGS"
3497 fi
3498
3499 dnl Create top level .sbinit for Sun compilers
3500 if test "$__SUNPRO_C" = "yes"; then
3501   test "$extra_verbose" = "yes" && echo "creating .sbinit"
3502   ( echo "# For use with Sun WorkShop's Source browser."
3503     echo "# See sbquery(1) and sbinit(4) for more information"
3504     for dir in $MAKE_SUBDIR; do echo "import $dir"; done
3505   ) > .sbinit
3506 fi
3507
3508 ### whether to build with profile.o
3509 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3510 int main(int c, char *v[])
3511 {
3512 #ifdef HAVE_SETITIMER
3513         return 1;
3514 #else
3515         return 0;
3516 #endif
3517 }]])], [./conftest; have_setitimer=$?],
3518         [have_setitimer=$?],[have_setitimer=0])
3519 AM_CONDITIONAL([HAVE_SETITIMER], [test "$have_setitimer" = "1"])
3520
3521 ## whether to build with sheap.o
3522 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3523 int main(int c, char *v[])
3524 {
3525 #if defined(HEAP_IN_DATA) && !defined(PDUMP)
3526         return 1;
3527 #else
3528         return 0;
3529 #endif
3530 }]])], [./conftest; build_sheap=$?],
3531         [build_sheap=$?],[build_sheap=0])
3532 AM_CONDITIONAL([BUILD_SHEAP], [test "$build_sheap" = "1"])
3533
3534
3535 dnl There are no more compile tests; remove the core they created.
3536 rm -f core
3537
3538 dnl --------------------------------------------------
3539 dnl Substitute into Makefile, config.h and sxe-paths.h
3540 dnl --------------------------------------------------
3541
3542 dnl what sort of things to edit into Makefile, config.h and sxe-paths.h
3543 dnl configuration here uncanonicalized to avoid exceeding size limits.
3544
3545 AC_SUBST(PROGNAME)
3546 AC_SUBST(MULE)
3547 AC_SUBST(HAVE_LIBFFI)
3548 AC_SUBST(version)
3549 AC_SUBST(VERSION)
3550 AC_SUBST(old_version)
3551 AC_SUBST(inststaticdir)
3552 AC_SUBST(instvardir)
3553 AC_SUBST(instvarsepdir)
3554 AC_SUBST(sxe_srcdir)
3555 AC_SUBST(emodsrcdir)
3556 AC_SUBST(sxe_blddir)
3557 AC_SUBST(emodblddir)
3558 AC_SUBST(bindir)
3559 AC_SUBST(datarootdir)
3560 AC_SUBST(datadir)
3561 AC_SUBST(statedir)
3562 AC_SUBST(libdir)
3563 AC_SUBST(mandir)
3564 AC_SUBST(extra_includes)
3565
3566 AC_SUBST(prefix)
3567 AC_SUBST(PREFIX_USER_DEFINED)
3568 dnl Yo, Stephen Bourne!  I want to marry you!
3569 PREFIX=$prefix
3570 while true; do
3571   case "$PREFIX" in
3572     *\$* ) eval "PREFIX=\"${PREFIX}\"" ;;
3573     *) break ;;
3574   esac
3575 done
3576 AC_SUBST(PREFIX)
3577
3578 AC_SUBST(exec_prefix)
3579 AC_SUBST(EXEC_PREFIX_USER_DEFINED)
3580 EXEC_PREFIX=$exec_prefix
3581 while true; do
3582   case "$EXEC_PREFIX" in
3583     *\$* ) eval "EXEC_PREFIX=\"${EXEC_PREFIX}\"" ;;
3584     *) break ;;
3585   esac
3586 done
3587 AC_SUBST(EXEC_PREFIX)
3588
3589 AC_SUBST(infodir)
3590 AC_SUBST(INFODIR_USER_DEFINED)
3591 INFODIR=$infodir
3592 while true; do
3593   case "$INFODIR" in
3594     *\$* ) eval "INFODIR=\"${INFODIR}\"" ;;
3595     *) break ;;
3596   esac
3597 done
3598 AC_SUBST(INFODIR)
3599
3600 AC_SUBST(infopath,$with_infopath)
3601 AC_SUBST(INFOPATH_USER_DEFINED)
3602 INFOPATH=$with_infopath
3603 while true; do
3604   case "$INFOPATH" in
3605     *\$* ) eval "INFOPATH=\"${INFOPATH}\"" ;;
3606     *) break ;;
3607   esac
3608 done
3609 AC_SUBST(INFOPATH)
3610
3611 if test -z "$with_module_path"; then
3612     with_module_path="~/.sxemacs/${configuration}/modules:${libdir}/${PROGNAME}/${configuration}/site-modules:${libdir}/${instvardir}/${configuration}/modules"
3613 fi
3614
3615 AC_SUBST(module_path,$with_module_path)
3616 AC_SUBST(MODULE_PATH_USER_DEFINED)
3617 MODULE_PATH=$with_module_path
3618 while true; do
3619   case "$MODULE_PATH" in
3620     *\$* ) eval "MODULE_PATH=\"${MODULE_PATH}\"" ;;
3621     *) break ;;
3622   esac
3623 done
3624 AC_SUBST(MODULE_PATH)
3625
3626 if test -z "$with_package_prefix" ; then
3627   with_package_prefix=${prefix}/share/sxemacs
3628 fi
3629
3630 if test -z "$with_package_path" && test -n "$with_package_prefix" ; then
3631   if test "$with_mule" = "yes" ; then
3632     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages:~/.sxemacs/mule-packages"
3633     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages:${with_package_prefix}/mule-packages"
3634   else
3635     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages"
3636     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages"
3637   fi
3638 fi
3639
3640 AC_SUBST(package_path,$with_package_path)
3641 AC_SUBST(PACKAGE_PATH_USER_DEFINED)
3642 PACKAGE_PATH=$with_package_path
3643 while true; do
3644   case "$PACKAGE_PATH" in
3645     *\$* ) eval "PACKAGE_PATH=\"${PACKAGE_PATH}\"" ;;
3646     *) break ;;
3647   esac
3648 done
3649 AC_SUBST(PACKAGE_PATH)
3650
3651 AC_SUBST(lispdir, $with_lispdir)
3652 AC_SUBST(LISPDIR_USER_DEFINED)
3653 LISPDIR=$with_lispdir
3654 while true; do
3655   case "$LISPDIR" in
3656     *\$* ) eval "LISPDIR=\"${LISPDIR}\"" ;;
3657     *) break ;;
3658   esac
3659 done
3660 AC_SUBST(LISPDIR)
3661
3662 AC_SUBST(moduledir,$with_moduledir)
3663 AC_SUBST(MODULEDIR_USER_DEFINED)
3664 MODULEDIR=$with_moduledir
3665 while true; do
3666   case "$MODULEDIR" in
3667     *\$* ) eval "MODULEDIR=\"${MODULEDIR}\"" ;;
3668     *) break ;;
3669   esac
3670 done
3671 AC_SUBST(MODULEDIR)
3672
3673 AC_SUBST([sitelispdir], [$with_sitelispdir])
3674 AC_SUBST([SITELISPDIR_USER_DEFINED])
3675 SITELISPDIR=$sitelispdir
3676 while true; do
3677   case "$SITELISPDIR" in
3678     *\$* ) eval "SITELISPDIR=\"${SITELISPDIR}\"" ;;
3679     *) break ;;
3680   esac
3681 done
3682 AC_SUBST(SITELISPDIR)
3683
3684 AC_SUBST(sitemoduledir,$with_sitemoduledir)
3685 AC_SUBST(SITEMODULEDIR_USER_DEFINED)
3686 SITEMODULEDIR=$with_sitemoduledir
3687 while true; do
3688   case "$SITEMODULEDIR" in
3689     *\$* ) eval "SITEMODULEDIR=\"${SITEMODULEDIR}\"" ;;
3690     *) break ;;
3691   esac
3692 done
3693 AC_SUBST(SITEMODULEDIR)
3694
3695 AC_SUBST(etcdir,$with_etcdir)
3696 AC_SUBST(ETCDIR_USER_DEFINED)
3697 ETCDIR=$with_etcdir
3698 while true; do
3699   case "$ETCDIR" in
3700     *\$* ) eval "ETCDIR=\"${ETCDIR}\"" ;;
3701     *) break ;;
3702   esac
3703 done
3704 AC_SUBST(ETCDIR)
3705
3706 AC_SUBST(archlibdir,$with_archlibdir)
3707 AC_SUBST(ARCHLIBDIR_USER_DEFINED)
3708 ARCHLIBDIR=$with_archlibdir
3709 while true; do
3710   case "$ARCHLIBDIR" in
3711     *\$* ) eval "ARCHLIBDIR=\"${ARCHLIBDIR}\"" ;;
3712     *) break ;;
3713   esac
3714 done
3715 AC_SUBST(ARCHLIBDIR)
3716
3717 AC_SUBST(docdir,$with_docdir)
3718 AC_SUBST(DOCDIR_USER_DEFINED)
3719 DOCDIR=$with_docdir
3720 while true; do
3721   case "$DOCDIR" in
3722     *\$* ) eval "DOCDIR=\"${DOCDIR}\"" ;;
3723     *) break ;;
3724   esac
3725 done
3726 AC_SUBST(DOCDIR)
3727
3728 AC_SUBST(docdir)
3729 AC_SUBST(bitmapdir)
3730
3731 dnl The following flags combine all the information from:
3732 dnl - command line options (user always gets priority)
3733 dnl - user environment variables
3734 dnl - determined by configure
3735 dnl - the s&m header files (required for ellcc)
3736 AC_SUBST(machfile)
3737 AC_SUBST(opsysfile)
3738 AC_SUBST(c_switch_general)
3739 AC_SUBST(c_switch_window_system)
3740 AC_SUBST(c_switch_all)
3741 AC_SUBST(ld_switch_general)
3742 AC_SUBST(ld_switch_window_system)
3743 AC_SUBST(ld_switch_all)
3744 AC_SUBST(ld_libs_general)
3745 AC_SUBST(ld_libs_window_system)
3746 AC_SUBST(ld_libs_all)
3747 AC_SUBST(CFLAGS)
3748 AC_SUBST(CPPFLAGS)
3749 AC_SUBST(LDFLAGS)
3750 RECURSIVE_MAKE_ARGS="\$(MFLAGS) CC='\$(CC)' CFLAGS='\$(CFLAGS)' LDFLAGS='\$(LDFLAGS)' CPPFLAGS='\$(CPPFLAGS)'"
3751 if test -z "$MAKE"; then
3752         MAKE=make
3753 fi
3754 case `$MAKE --version 2>/dev/null` in
3755    GNU\ Make*)
3756         AM_MAKEFLAGS="-w $AM_MAKEFLAGS"
3757         RECURSIVE_MAKE_ARGS="-w $RECURSIVE_MAKE_ARGS"
3758    ;;
3759    *)
3760         echo ===================================
3761         echo $MAKE does not seem to be GNU Make
3762         echo If you find makefile errors please try using GNU Make as some
3763         echo autoconf constructs may not be proper for your make variant
3764         echo ===================================
3765    ;;
3766 esac
3767 AC_SUBST(RECURSIVE_MAKE_ARGS)
3768 AC_SUBST(AM_MAKEFLAGS)
3769
3770 AC_SUBST(sound_cflags)
3771 AC_SUBST(AR)
3772 AC_SUBST(RANLIB)
3773
3774 AC_SUBST(SXEMACS_CC)
3775 AC_SUBST(SXE_CFLAGS)
3776
3777 SXE_SUBST_CORE_OBJS()
3778
3779 SXE_SUBST_CRUFT_OBJS
3780
3781 dnl The default is yes
3782 if test "$with_prefix" = "yes"; then
3783   AC_DEFINE([PREFIX_USER_DEFINED], [1], [Description here!])
3784 fi
3785
3786 dnl Should this stay even though --with-site-modules is no longer an
3787 dnl option?  It is used in emacs.c for when the -no-site-modules cmd line
3788 dnl opt is used.  That cmd line opt definitely has usefullness.  Sebastian?
3789 dnl --SY.
3790 dnl The default is yes
3791 if test "$with_site_modules" = "no"; then
3792   AC_DEFINE([INHIBIT_SITE_MODULES], [1], [Description here!])
3793 fi
3794
3795 dnl SXE_SPACE(ac_configure_args, $ac_configure_args)
3796 AC_DEFINE_UNQUOTED([EMACS_CONFIGURATION], ["$ac_cv_build"], [Description here!])
3797 AC_DEFINE_UNQUOTED([EMACS_CONFIG_OPTIONS], ["$ac_configure_args"], [Description here!])
3798
3799 AC_SUBST([srcdir_equals_blddir_p])
3800
3801 dnl Following are deprecated
3802 null_string=""
3803 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE], [$null_string], [Description here!])
3804 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE_AUX], [$null_string], [Description here!])
3805 AC_DEFINE_UNQUOTED([C_SWITCH_X_SITE], [$null_string], [Description here!])
3806 AC_DEFINE_UNQUOTED([LD_SWITCH_SITE], [$null_string], [Description here!])
3807 AC_DEFINE_UNQUOTED([C_SWITCH_SITE], [$null_string], [Description here!])
3808
3809 dnl Note: as a general rule, *only* define things here that are not
3810 dnl autodetected.  For things that are autodetected, define them
3811 dnl at the point where the autodetection occurs or would occur,
3812 dnl so that the user gets immediate feedback on the results of the
3813 dnl autodetection.
3814
3815 if test "$GNU_MALLOC" = "yes"; then
3816         AC_DEFINE([GNU_MALLOC], [1], [Description here!])
3817         SXE_ADD_MEMALLOC_OBJS(vm-limit.o)
3818         if test "$doug_lea_malloc" != "yes"; then
3819                 SXE_ADD_MEMALLOC_OBJS(gmalloc.o)
3820         fi
3821         if test "$with_error_checking_malloc" = "yes"; then
3822                 dnl SXE_ADD_MEMALLOC_OBJS(free-hook.o)
3823                 :
3824         fi
3825 elif test "$with_system_malloc" = "yes" -o "$system_malloc" = "yes"; then
3826         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3827         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3828 elif test "$with_debug_malloc"  = "yes"; then
3829         AC_DEFINE([USE_DEBUG_MALLOC], [1], [Description here!])
3830         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3831         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3832         SXE_APPEND(-ldmalloc, MEMALLOC_LIBS)
3833 else
3834         SXE_ADD_MEMALLOC_OBJS([malloc.o])
3835 fi
3836 test "$GCC" = "yes" && \
3837         AC_DEFINE([USE_GCC], [1], [Description here!])
3838 test "$with_external_widget" = "yes" && \
3839         AC_DEFINE([EXTERNAL_WIDGET], [1], [Description here!])
3840 test "$with_quick_build" = "yes" && \
3841         AC_DEFINE([QUICK_BUILD], [1], [Description here!])
3842 if test "$with_purify" = "yes"; then
3843         AC_DEFINE([PURIFY], [1], [Description here!])
3844         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3845 fi
3846 if test "$with_quantify" = "yes"; then
3847         AC_DEFINE([QUANTIFY], [1], [Description here!])
3848         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3849 fi
3850 test "$with_pop" = "yes" && \
3851         AC_DEFINE([MAIL_USE_POP], [1], [Description here!])
3852 test "$with_hesiod" = "yes" && \
3853         AC_DEFINE([HESIOD], [1], [Description here!])
3854 test "$with_regex_malloc" = "yes" && \
3855         AC_DEFINE([REGEX_MALLOC], [1], [Description here!])
3856 test "$with_ipv6_cname" = "yes" && \
3857         AC_DEFINE([IPV6_CANONICALIZE], [1], [Description here!])
3858 if test "$with_pdump" = "yes"; then
3859         AC_DEFINE([PDUMP], [1], [Description here!])    dnl deprecated!
3860         AC_DEFINE([WITH_PDUMP], [1], [Description here!])
3861 fi
3862
3863 AM_CONDITIONAL([WITH_EXTW], [test "$with_external_widget" = "yes"])
3864 AM_CONDITIONAL([WITH_PDUMP], [test "$with_pdump" = "yes"])
3865 AC_SUBST([MEMALLOC_LIBS])
3866 SXE_SUBST_MEMALLOC_OBJS
3867
3868
3869 AC_DEFINE_UNQUOTED([USER_FULL_NAME], [pw->pw_gecos], [dnl
3870         USER_FULL_NAME returns a string that is the user's full name.
3871         It can assume that the variable `pw' points to the password file
3872         entry for this user.
3873
3874         At some sites, the pw_gecos field contains the user's full name.
3875         If neither this nor any other field contains the right thing, use
3876         pw_name, giving the user's login name, since that is better than
3877         nothing.])
3878
3879 AC_DEFINE([SIGTYPE], [RETSIGTYPE], [SIGTYPE is the macro we actually use])
3880 AC_DEFINE([SIGRETURN], [return], [SIGTYPE is the macro we actually use])
3881
3882 ## finally, redefine VERSION; this has to be done after all tests on C sources
3883 ## were run because otherwise the symbol VERSION would be defined twice and
3884 ## the C compiler would warn, sigh, and due to this stupid -Werror flag we ...
3885 ## tadadada ... will fail to run _any_ C test successfully
3886 AC_DEFINE_UNQUOTED([VERSION], ["$version"], [Version of SXEmacs.])
3887
3888 AH_TOP([
3889 #ifndef INCLUDED_sxe_config_h_
3890 #define INCLUDED_sxe_config_h_
3891
3892 #ifndef NOT_C_CODE
3893 #if defined (__GNUC__)
3894 #define alloca __builtin_alloca
3895 #elif defined __DECC
3896 #include <alloca.h>
3897 #pragma intrinsic(alloca)
3898 #elif defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3899 /* defer #include to end of file */
3900 #elif defined HAVE_ALLOCA_H
3901 #include <alloca.h>
3902 #elif defined(_AIX)
3903 #pragma alloca
3904 #elif ! defined (alloca)
3905 void *alloca();
3906 #endif
3907 #endif  /* C code */
3908 ])
3909
3910 AH_BOTTOM([
3911 /* The configuration script may define `opsysfile' to be the name of
3912    the s/...h file that describes your operating system.
3913    The file name is chosen based on the configuration name. */
3914
3915 #ifdef config_opsysfile
3916 #include config_opsysfile
3917 #endif
3918
3919 /* The configuration script may define `machfile' to be the name of
3920    the m/...h file that describes the machine you are using.
3921    The file name is chosen based on the configuration name. */
3922
3923 #ifdef config_machfile
3924 #include config_machfile
3925 #endif
3926
3927 /* basic system calls */
3928 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3929 # define ENCAPSULATE_READ
3930 # define ENCAPSULATE_WRITE
3931 #endif
3932 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3933 # define ENCAPSULATE_OPEN
3934 #endif
3935 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3936 # define ENCAPSULATE_CLOSE
3937 #endif
3938 /* stdio calls */
3939 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3940 # define ENCAPSULATE_FREAD
3941 # define ENCAPSULATE_FWRITE
3942 #endif
3943 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3944 # define ENCAPSULATE_FOPEN
3945 #endif
3946 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3947 # define ENCAPSULATE_FCLOSE
3948 #endif
3949
3950 #if defined (HAVE_SOCKS) && !defined (DO_NOT_SOCKSIFY)
3951 #define accept Raccept
3952 #define bind Rbind
3953 #define connect Rconnect
3954 #define getsockname Rgetsockname
3955 #define listen Rlisten
3956 #endif                          /* HAVE_SOCKS && !DO_NOT_SOCKSIFY */
3957
3958 #ifndef NOT_C_CODE              /* Actually means C or C++ */
3959 # if defined (__cplusplus)
3960 /* Avoid C++ keywords used as ordinary C identifiers */
3961 #  define class c_class
3962 #  define new   c_new
3963 #  define this  c_this
3964 #  define catch c_catch
3965 #  define EXTERN_C extern "C"
3966 # else                          /* C code */
3967 #  define EXTERN_C extern
3968 # endif
3969 #endif                          /* C or C++ */
3970 /* Strictly speaking, only int or unsigned int are valid types in a
3971    bitfield.  In practice, we would like to use enums as bitfields.
3972    The following should just result in warning avoidance:
3973    warning: nonportable bit-field type */
3974 #ifdef __GNUC__
3975 #define enum_field(enumeration_type) enum enumeration_type
3976 #else
3977 #define enum_field(enumeration_type) unsigned int
3978 #endif
3979
3980 #ifndef NOT_C_CODE
3981 #if defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3982 /* icc's alloca.h pulls in <features.h>,
3983    but that must be done after _GNU_SOURCE and friends are defined */
3984 #include <alloca.h>
3985 #endif
3986 #endif                          /* C code */
3987
3988 #endif  /* INCLUDED_sxe_config_h_ */
3989 ])
3990
3991
3992 dnl -------------------------------------------------------------------------
3993 dnl -------------------------------
3994 dnl Report on what we decided to do
3995 dnl -------------------------------
3996
3997 dnl #### We should tag this as the _build_ environment.
3998 dnl Before doing that, though, must check if tools care about line 1.
3999
4000 (
4001 dnl /etc/osversion is on SONY NEWS-OS
4002 if test -f /etc/osversion; then dnl SONY NEWS-OS
4003   echo "osversion: `cat /etc/osversion`"
4004 else
4005   echo "uname -a: `uname -a`"
4006 fi
4007 echo ""
4008 echo "$0 $ac_configure_args"
4009 ) > Installation
4010
4011 if test ! -z ${emacs_beta_version} ; then
4012   if test -z "${emacs_is_beta}" ; then
4013         sxemacs_betaname=".${emacs_beta_version}"
4014   else
4015         sxemacs_betaname="-b${emacs_beta_version}"
4016   fi
4017 else
4018   sxemacs_betaname=""
4019 fi
4020
4021 dnl -----------------
4022 dnl Talking LFSL now!
4023 dnl -----------------
4024
4025 dnl -----------------------------------
4026 dnl Now generate config.h and Makefiles
4027 dnl -----------------------------------
4028
4029 dnl This has to be called in order for this variable to get into config.status
4030 AC_SUBST([internal_makefile_list])
4031 # Remove any trailing slashes in these variables.
4032 if test -n "$prefix"; then
4033         prefix=`echo '' "$prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4034 fi
4035 if test -n "$exec_prefix"; then
4036         exec_prefix=`echo '' "$exec_prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4037 fi
4038
4039 make_ifeq="ifeq"
4040 make_endif="endif"
4041 make_else="else"
4042 AC_SUBST([make_ifeq])
4043 AC_SUBST([make_endif])
4044 AC_SUBST([make_else])
4045
4046 dnl Coupla things needed for subst'ing into the sxemacs.desktop file
4047 ABS_PROGNAME=${prefix}/bin/${PROGNAME}
4048 ABS_ETCDIR=${ETCDIR}
4049 SXE_CANONICALISE_PATH([ABS_PROGNAME])
4050 SXE_CANONICALISE_PATH([ABS_ETCDIR])
4051 AC_SUBST([ABS_PROGNAME])
4052 AC_SUBST([ABS_ETCDIR])
4053
4054 AC_CONFIG_FILES([src/sxe-paths.h])
4055 AC_CONFIG_FILES([Makefile])
4056 AC_CONFIG_FILES([lib-src/Makefile])
4057 AC_CONFIG_FILES([src/Makefile])
4058 AC_CONFIG_FILES([src/ui/Makefile])
4059 AC_CONFIG_FILES([src/ui/TTY/Makefile])
4060 AC_CONFIG_FILES([src/ui/lwlib/Makefile])
4061 AC_CONFIG_FILES([src/ui/X11/Makefile])
4062 AC_CONFIG_FILES([src/events/Makefile])
4063 AC_CONFIG_FILES([src/ent/Makefile])
4064 AC_CONFIG_FILES([src/media/Makefile])
4065 AC_CONFIG_FILES([src/mem/Makefile])
4066 AC_CONFIG_FILES([src/database/Makefile])
4067 AC_CONFIG_FILES([src/mule/Makefile])
4068 AC_CONFIG_FILES([src/.gdbinit:src/gdbinit])
4069 AC_CONFIG_FILES([src/.dbxrc:src/dbxrc])
4070 AC_CONFIG_FILES([lisp/Makefile])
4071 AC_CONFIG_FILES([info/Makefile])
4072 AC_CONFIG_FILES([tests/Makefile])
4073 AC_CONFIG_FILES([modules/Makefile])
4074 AC_CONFIG_FILES([etc/Makefile])
4075 AC_CONFIG_FILES([etc/sxemacs.desktop])
4076 AC_CONFIG_FILES([sxemacs.pc])
4077 AC_CONFIG_LINKS([.sxemacs.source.tree:])
4078
4079 AC_OUTPUT
4080 SXE_SUMMARY