8b83c2612e9e6cbca166e2b6128cb2ca848a8ced
[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 "$with_tty" = "no" ; then
2612        AC_MSG_WARN([No window system support and no TTY support - You will only be able to use --batch mode.])
2613 fi
2614
2615 case "$x_libraries" in *X11R4* )
2616   test "$opsys" = "hpux9"     && opsysfile="s/hpux9-x11r4.h"
2617   test "$opsys" = "hpux9-shr" && opsysfile="s/hpux9shxr4.h"
2618 esac
2619
2620 dnl Enable or disable proper handling of WM_COMMAND
2621 AS_MESSAGE(checking for WM_COMMAND option);
2622 dnl if test "$with_wmcommand" = "yes"; then
2623 if test "$with_wmcommand" != "no"; then
2624   AC_DEFINE([HAVE_WMCOMMAND], [1], [Description here!])
2625 fi
2626
2627 dnl Autodetect Xauth
2628 dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
2629 test "$with_xauth" != "no" && test "$window_system" = "none" && with_xauth=no
2630 SXE_DUMP_LIBS
2631 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2632 LDFLAGS="$LDFLAGS $X_LIBS"
2633 AC_CHECK_HEADER([X11/Xauth.h], [:], [with_xauth=no])
2634 AC_CHECK_LIB([Xau], [XauGetAuthByAddr], [:], [with_xauth=no])
2635 if test "$with_xauth" = "yes"; then
2636   AC_DEFINE([HAVE_XAUTH], [1], [Description here!])
2637   SXE_CONSECUTIVE_UNDUP([libs_xauth], [$X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS])
2638 fi
2639 SXE_RESTORE_LIBS
2640 AC_SUBST(libs_xauth)
2641
2642 dnl ----------------------
2643 dnl X-Specific Graphics libraries
2644 dnl ----------------------
2645
2646 ## Oki, now that we really need a more exhaustive way to autodetect
2647 ## athena and other widgets we construct a chain.  The elements of
2648 ## that chain are simple atomic tests (provided by AC_DEFUNs).
2649 ## The chain is defined to be:
2650 ##
2651 ## neXtaw -> Xaw3d -> XawXpm -> Xaw95  ->  Xaw  ->  Motif  ->  Nirvana
2652 ## ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^      ^^^      ^^^^^
2653 ##         3d sets                       non-3d   non-athena
2654 ##
2655 ## Now if the user passes a --with-athena=foo option, we jump
2656 ## directly to the according test-suite and in case this fails we jump
2657 ## off the cliff.
2658 ##
2659 ## Attention:
2660 ## We shall perform every test-suite twice, once the correct way, and
2661 ## once with #include'ing the Xfuncproto header.
2662 ## Thanks to the many, many distributions which treat their users
2663 ## like braindead zombies!
2664 ## Especially, I would like to thank Fedora/RedHat for bringing
2665 ## this up. Go on guys, you rock!
2666
2667 ## and now the test chain
2668 if test "$with_x11" = "yes" -a "$with_x" != "no"; then
2669         SXE_CHECK_XTOOLKITS
2670         SXE_CHECK_XT_DEPENDENCIES
2671 else
2672         with_menubars=no
2673         with_scrollbars=no
2674         with_dialogs=no
2675         with_toolbars=no
2676         with_widgets=no
2677 fi
2678
2679 dnl Always compile OffiX unless --without-offix is given, no
2680 dnl X11 support is compiled in, no standard Xmu is available,
2681 dnl or dragndrop support is disabled
2682 dnl Because OffiX support currently loses when more than one display
2683 dnl is in use, we now disable it by default -slb 07/10/1998.
2684 test "$window_system" != "x11" && with_offix=no
2685 if test "$with_xmu" != yes -a "$with_x11" = yes; then
2686   if test "$with_offix" = "yes" ; then
2687     AC_MSG_WARN([--with-offix forced to `no'; no real Xmu support])
2688   fi
2689   with_offix=no
2690 fi
2691 if test "$with_dragndrop" = "no" ; then
2692   if test "$with_offix" = "yes" ; then
2693     AC_MSG_WARN([--with-offix forced to `no'; no generic Drag'n'Drop support])
2694   fi
2695   with_offix=no
2696 fi
2697 if test "$with_offix" = "yes"; then
2698   AC_DEFINE([HAVE_OFFIX_DND], [1], [Description here!])
2699   SXE_APPEND(offix.o, dnd_objs)
2700   SXE_APPEND(OffiX, dragndrop_proto)
2701 fi
2702
2703
2704 ## TTY Options
2705 ## ===========
2706 echo
2707 echo "TTY Options"
2708 echo "==========="
2709
2710
2711 dnl ---------------------
2712 dnl TTY-dependent options
2713 dnl ---------------------
2714
2715 dnl checks for header files
2716 AC_CHECK_HEADERS([libintl.h nlist.h sgtty.h termio.h termios.h])
2717
2718 if test "$with_tty" != "no"  ; then
2719         AS_MESSAGE(checking for TTY-related features)
2720         AC_DEFINE([HAVE_TTY], [1], [Description here!])
2721         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2722         SXE_ADD_SXEUITTY_OBJS([console-tty.o device-tty.o event-tty.o frame-tty.o objects-tty.o redisplay-tty.o cm.o])
2723
2724   dnl Autodetect ncurses.
2725   AC_CHECK_LIB(ncurses, tgetent, , with_ncurses=no)
2726   AC_CHECK_LIB(ncurses, tgetstr, , with_ncurses=no)
2727   AC_CHECK_LIB(ncurses, tparm, , with_ncurses=no)
2728   if test "$with_ncurses" != "no"; then
2729     AC_DEFINE([HAVE_NCURSES], [1], [Description here!])
2730     with_ncurses=yes
2731     AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2732     if test -z "$curses_h_file"; then
2733             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2734     fi
2735     if test -n "$curses_h_file"; then
2736             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2737             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2738     else
2739             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2740             AC_CHECK_HEADER(termcap.h, termcap_h_file=termcap.h)
2741             AC_CHECK_HEADER(term.h,    term_h_file=term.h)
2742     fi
2743     SXE_ADD_SXEUITTY_OBJS(terminfo.o)
2744     SXE_PREPEND(-lncurses, LIBS)
2745
2746     if test -z "$curses_h_file" ; then
2747       dnl Try again, and check for the bogus ncurses/ include bug.
2748       dnl (i.e. ncurses/curses.h bogusly includes <unctrl.h> instead of
2749       dnl <ncurses/unctrl.h>)
2750       save_c_switch_site="$c_switch_site"
2751       c_switch_site="$c_switch_site -I/usr/include/ncurses"
2752       AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2753       if test -z "$curses_h_file"; then
2754             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2755       fi
2756       if test -n "$curses_h_file"; then
2757             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2758             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2759       else
2760             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2761             AC_CHECK_HEADER(termcap.h, curses_h_file=termcap.h)
2762             AC_CHECK_HEADER(term.h,    curses_h_file=term.h)
2763       fi
2764       if test -n "$curses_h_file"
2765         then AC_MSG_WARN([Your system has the bogus ncurses include bug.])
2766         else c_switch_site="$save_c_switch_site"
2767       fi
2768     fi
2769   fi
2770   if test "$with_ncurses" = "no" -o -z "$curses_h_file" ; then
2771
2772     # Check alternate library includes
2773     for lib in curses term terminfo termcap; do
2774         AC_CHECK_HEADER(${lib}.h, [
2775                 eval ${lib}_h_file=${lib}.h
2776                 AC_CHECK_LIB($lib, tgetent, eval have_${lib}=yes, eval have_${lib}=no)
2777                 AC_CHECK_LIB($lib, tgetstr, , eval have_${lib}=no)])
2778     done
2779
2780     for lib in curses terminfo termlib termcap; do
2781           have_lib_eval=`eval echo \\$have_$lib`
2782           if test "$have_lib_eval" = "yes"; then
2783                 AC_CHECK_LIB($lib, tparm,
2784                           SXE_ADD_SXEUITTY_OBJS(terminfo.o),
2785                           SXE_ADD_SXEUITTY_OBJS(tparam.o))
2786                 SXE_PREPEND(-l${lib}, LIBS)
2787                 break
2788           fi
2789     done
2790   fi
2791   if test -n "$curses_h_file"; then
2792         AC_DEFINE_UNQUOTED([HAVE_CURSES_H], [1], [There is a curses.h header file available])
2793   fi
2794   if test -n "$termcap_h_file"; then
2795         AC_DEFINE_UNQUOTED([HAVE_TERMCAP_H], [1], [There is a termcap.h header available])
2796   fi
2797   if test -n "$term_h_file"; then
2798         AC_DEFINE_UNQUOTED([HAVE_TERM_H], [1], [There is a term.h header available])
2799   fi
2800   AC_DEFINE_UNQUOTED([CURSES_H_FILE], ["${curses_h_file-curses.h}"], [The curses.h header file])
2801   AC_DEFINE_UNQUOTED([TERMCAP_H_FILE], ["${termcap_h_file-termcap.h}"], [The termcap.h header file])
2802   AC_DEFINE_UNQUOTED([TERM_H_FILE], ["${term_h_file-term.h}"], [The term.h header file])
2803
2804   dnl General Purpose Mouse (libgpm) support
2805   if test "$with_gpm" != "no"; then
2806     AC_CHECK_HEADER(gpm.h, [
2807       AC_CHECK_LIB(gpm, Gpm_Open, have_gpm=yes)])
2808     if test "$have_gpm" = "yes"; then
2809       with_gpm=yes
2810       AC_DEFINE([HAVE_GPM], [1], [General Purpose Mouse (libgpm) is available])
2811       SXE_ADD_SXEUITTY_OBJS(gpmevent.o)
2812       SXE_PREPEND(-lgpm, LIBS)
2813     else
2814       with_gpm=no
2815     fi
2816   fi
2817
2818 else dnl "$with_tty" = "no"
2819   for feature in ncurses gpm; do
2820     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2821       AC_MSG_WARN([--with-${feature} ignored:  Not valid without TTY support])
2822     fi
2823     eval "with_${feature}=no"
2824   done
2825 fi dnl with_tty
2826
2827 SXE_CHECK_UI_SUFFICIENCY
2828
2829 ## Uncertain options
2830 ## =================
2831 echo
2832 echo "Uncertain options"
2833 echo "================="
2834
2835 ## for native xml support one day
2836 SXE_LANG_CHECK_XML
2837 SXE_CHECK_SUFFICIENCY([libxml2], [xml language])
2838 ## for BoehmGC support one day
2839 SXE_CHECK_BDWGC
2840 SXE_CHECK_SUFFICIENCY([bdwgc], [Boehm-Demers-Weiser GC])
2841
2842 if test "$with_experimental_features_bdwgc" = "yes"; then
2843         AC_MSG_CHECKING([if bdwgc prerequisites are met])
2844         AC_MSG_RESULT([${have_bdwgc}])
2845         have_experimental_features_bdwgc=${have_bdwgc}
2846         if test "${have_bdwgc}" = "yes"; then
2847                 AC_DEFINE([EF_USE_BDWGC], [1],
2848                         [Whether to actually use the BDWGC!])
2849         fi
2850 fi
2851
2852
2853 dnl This one is for the static initializeds variables in
2854 dnl offix.c, so that the thing is dumped after lastfile.o
2855 AC_SUBST(dnd_objs)
2856
2857 dnl Autodetect dll support
2858
2859 LIBSTDCPP=
2860 AC_SUBST(LIBSTDCPP)
2861
2862
2863 ## Multimedia Options
2864 ## ==================
2865 echo
2866 echo "Multimedia Options"
2867 echo "=================="
2868
2869 dnl ----------------------
2870 dnl Graphics libraries
2871 dnl ----------------------
2872
2873 if test "$with_image_xpm" = "yes"; then
2874         SXE_MM_CHECK_XPM([have_image_xpm=yes], [have_image_xpm=no])
2875
2876         AC_MSG_CHECKING([for sufficient xpm support])
2877         if test "$have_image_xpm" = "yes"; then
2878                 AC_MSG_RESULT([yes])
2879                 AC_DEFINE([HAVE_XPM], [1], [Description here!])
2880                 SXE_PREPEND([-lXpm], [MM_LIBS])
2881         else
2882                 AC_MSG_RESULT([no])
2883                 have_image_xpm=no
2884         fi
2885 fi
2886 AM_CONDITIONAL([WITH_BDWGC],
2887         [test "$with_experimental_features_bdwgc" = "yes" -a \
2888               "$have_bdwgc" = "yes"])
2889
2890 if test "$with_image_xface" = "yes"; then
2891         SXE_MM_CHECK_XFACE([have_image_xface=yes], [have_image_xface=no])
2892
2893         AC_MSG_CHECKING([for sufficient xface support])
2894         if test "$have_image_xface" = "yes"; then
2895                 AC_MSG_RESULT([yes])
2896                 AC_DEFINE([HAVE_XFACE], [1], [dnl
2897                         Both compface.h and libcompface have been found.])
2898                 SXE_PREPEND([-lcompface], [MM_LIBS])
2899         else
2900                 AC_MSG_RESULT([no])
2901                 have_image_xface=no
2902         fi
2903 fi
2904
2905 if test "$with_image_gif" = "yes"; then
2906         SXE_MM_CHECK_GIF([have_image_gif=yes], [have_image_gif=no])
2907
2908         AC_MSG_CHECKING([for sufficient gif support])
2909         if test "$have_image_gif" = "yes"; then
2910                 AC_MSG_RESULT([yes])
2911                 AC_DEFINE([HAVE_GIF], [1], [Enable internal GIF decoding])
2912                 SXE_ADD_MM_OBJS(dgif_lib.o gif_io.o)
2913         else
2914                 AC_MSG_RESULT([no])
2915         fi
2916 fi
2917
2918 SXE_MM_SEARCH_INFLATE
2919
2920 if test "$with_image_jpeg" = "yes"; then
2921         SXE_MM_CHECK_JPEG([have_image_jpeg=yes], [have_image_jpeg=no])
2922
2923         AC_MSG_CHECKING([for sufficient jpeg support])
2924         if test "$have_image_jpeg" = "yes"; then
2925                 AC_MSG_RESULT([yes])
2926                 AC_DEFINE([HAVE_JPEG], [1], [
2927                         Both jpeglib.h and libjpeg have been found.])
2928                 SXE_PREPEND([-ljpeg], [MM_LIBS])
2929         else
2930                 AC_MSG_RESULT([no])
2931         fi
2932 fi
2933
2934 if test "$with_image_png" = "yes"; then
2935         AC_DEFINE([WITH_PNG], [1], [Define to 1 if png support is desired.])
2936         SXE_MM_CHECK_PNG([have_image_png="yes"], [have_image_png="no"])
2937
2938         SXE_MSG_CHECKING([for sufficient PNG support])
2939         SXE_MSG_RESULT([${sxe_cv_feat_png}])
2940         if test "$sxe_cv_feat_png" = "yes"; then
2941                 SXE_PREPEND_UNDUP([$PNG_CPPFLAGS], [MM_CPPFLAGS])
2942                 SXE_PREPEND_UNDUP([$PNG_LDFLAGS], [MM_LDFLAGS])
2943                 SXE_PREPEND([$PNG_LIBS], [MM_LIBS])
2944         fi
2945 fi
2946
2947 if test "$with_image_tiff" = "yes"; then
2948         SXE_MM_CHECK_TIFF([have_image_tiff=yes], [have_image_tiff=no])
2949
2950         AC_MSG_CHECKING([for sufficient TIFF support])
2951         if test "$have_image_tiff" = "yes"; then
2952                 AC_MSG_RESULT([yes])
2953                 AC_DEFINE([HAVE_TIFF], [1], [
2954                         Both tiffio.h and libtiff have been found.])
2955                 SXE_PREPEND([-ltiff], [MM_LIBS])
2956         else
2957                 AC_MSG_RESULT([no])
2958         fi
2959 fi
2960
2961 dnl Check for audio output and media stream libraries.
2962
2963 dnl internal media stream analysis support
2964 if test "$with_media_internal" != "no"; then
2965         need_media_internal=yes
2966         have_media_internal=yes
2967 fi
2968
2969 ## Since almost any of the below tests uses pkgconfig we make a
2970 ## once-for-all-times check now
2971 SXE_SEARCH_CONFIG_PROG([pkg-config])
2972
2973 dnl libsndfile support
2974 if test "$with_media_sndfile" != "no"; then
2975         SXE_MM_CHECK_SNDFILE([have_media_sndfile=yes], [have_media_sndfile=no])
2976
2977         AC_MSG_CHECKING([for sufficient sndfile support])
2978         if test "$have_media_sndfile" = "yes"; then
2979                 AC_MSG_RESULT([yes])
2980                 SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
2981                 SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags sndfile`
2982                 SNDFILE_VERSION=`$PKG_CONFIG --modversion sndfile`
2983                 SXE_PREPEND([$SNDFILE_LIBS], [MM_LIBS])
2984                 SXE_PREPEND_UNDUP([$SNDFILE_CPPFLAGS], [MM_CPPFLAGS])
2985                 SXE_ADD_MM_OBJS([media-sndfile.o])
2986                 AC_DEFINE([HAVE_SNDFILE], [1],
2987                         [Whether we appear to have support for the sndfile library!])
2988                 AC_DEFINE_UNQUOTED([SNDFILE_VERSION], [$SNDFILE_VERSION],
2989                         [Version of the sndfile library!])
2990         else
2991                 AC_MSG_RESULT([no])
2992                 have_media_sndfile=no
2993         fi
2994 fi
2995
2996 dnl libavcodec/libavformat/ffmpeg support
2997 if test "$with_media_ffmpeg" != "no"; then
2998         SXE_MM_CHECK_FFMPEG([have_media_ffmpeg=yes], [have_media_ffmpeg=no])
2999
3000         AC_MSG_CHECKING([for sufficient FFmpeg support])
3001
3002         if test "$have_media_ffmpeg" = "yes"; then
3003                 AC_MSG_RESULT([yes])
3004                 FFMPEG_LIBS=`$PKG_CONFIG --libs libavformat`
3005                 FFMPEG_CPPFLAGS=`$PKG_CONFIG --cflags libavformat`
3006                 SXE_PREPEND($FFMPEG_LIBS, MM_LIBS)
3007                 SXE_PREPEND_UNDUP($FFMPEG_CPPFLAGS, MM_CPPFLAGS)
3008                 SXE_ADD_MM_OBJS([media-ffmpeg.o])
3009                 AC_DEFINE([HAVE_FFMPEG], [1], [Description here!])
3010         else
3011                 AC_MSG_RESULT([no])
3012                 have_media_ffmpeg=no
3013         fi
3014 fi
3015
3016 dnl sox support
3017 if test "$with_media_sox" != "no"; then
3018         ## defines $LIBST_CONFIG
3019         SXE_MM_CHECK_SOX([have_media_sox=yes], [have_media_sox=no])
3020
3021         AC_MSG_CHECKING([for sufficient SoX support])
3022         if test "$sxe_cv_feat_sox" = "yes"; then
3023                 AC_MSG_RESULT([yes])
3024                 SXE_ADD_MM_OBJS([media-sox.o])
3025                 SXE_PREPEND_UNDUP([$sox_cppflags], [MM_CPPFLAGS])
3026                 SXE_PREPEND_UNDUP([$sox_ldflags], [MM_LDFLAGS])
3027                 SXE_PREPEND([$sox_libs], [MM_LIBS])
3028                 AC_DEFINE([HAVE_SOX], [1], [Description here!])
3029         else
3030                 AC_MSG_RESULT(no)
3031                 have_media_sox=no
3032         fi
3033 fi
3034
3035 dnl mad support
3036 if test "$with_media_mad" != "no"; then
3037         SXE_MM_CHECK_MAD([have_media_mad=yes], [have_media_mad=no])
3038
3039         AC_MSG_CHECKING([for sufficient mad support])
3040         if test "$have_media_mad" = "yes"; then
3041                 AC_MSG_RESULT([yes])
3042                 SXE_ADD_MM_OBJS([media-mad.o])
3043                 SXE_PREPEND([-lmad], [MM_LIBS])
3044                 AC_DEFINE([HAVE_MAD], [1], [Description here!])
3045         else
3046                 AC_MSG_RESULT(no)
3047                 have_media_mad=no
3048         fi
3049 fi
3050
3051 ## file/libmagic support
3052 if test "$with_media_magic" != "no"; then
3053         SXE_MM_CHECK_MAGIC([have_media_magic=yes], [have_media_magic=no])
3054
3055         AC_MSG_CHECKING([for sufficient magic support])
3056         if test "$have_media_magic" = "yes"; then
3057                 AC_MSG_RESULT([yes])
3058                 SXE_ADD_MM_OBJS([media-magic.o])
3059                 SXE_PREPEND([-lmagic], [MM_LIBS])
3060                 AC_DEFINE([HAVE_MAGIC], [1], [Whether libmagic is available])
3061         else
3062                 AC_MSG_RESULT([no])
3063                 have_media_magic=no
3064         fi
3065 fi
3066
3067
3068 dnl Autodetect OSS sound
3069 AS_MESSAGE([checking for OSS sound support])
3070 dnl test -z "$with_sound_oss" -a -n "$with_oss_sound_lib" && with_sound_oss=yes
3071
3072 dnl Check for Linux/BSD sound (called OSS)
3073 if test "$with_sound_oss" != "no"; then
3074         SXE_MM_CHECK_OSS([have_sound_oss=yes], [have_sound_oss=no])
3075
3076         AC_MSG_CHECKING([for sufficient OSS support])
3077         if test "$have_sound_oss" = "yes"; then
3078                 AC_MSG_RESULT([yes])
3079                 SXE_ADD_MM_OBJS([sound-oss.o])
3080                 AC_DEFINE([HAVE_INTERNAL_SOUND], [1], [Description here!])
3081                 AC_DEFINE([HAVE_OSS_SOUND], [1], [Description here!])
3082         else
3083                 AC_MSG_RESULT([no])
3084                 have_sound_oss=yes
3085         fi
3086 fi
3087
3088 dnl NAS Sound support
3089 if test "$with_sound_nas" != "no"; then
3090         SXE_MM_CHECK_NAS([have_sound_nas=yes], [have_sound_nas=no])
3091
3092         AC_MSG_CHECKING([for sufficient NAS support])
3093         if test "$have_sound_nas" = "yes"; then
3094                 AC_MSG_RESULT([yes])
3095                 AC_DEFINE([HAVE_NAS_SOUND], [1], [Description here!])
3096                 SXE_ADD_MM_OBJS([sound-nas.o])
3097                 SXE_PREPEND([-laudio], [MM_LIBS])
3098         else
3099                 AC_MSG_RESULT([no])
3100                 have_nas_sound=no
3101         fi
3102 fi
3103
3104 dnl ESD Sound support
3105 if test "$with_sound_esd" != "no"; then
3106         SXE_MM_CHECK_ESD([have_sound_esd=yes], [have_sound_esd=no])
3107
3108         AC_MSG_CHECKING([for sufficient ESD support])
3109         if test "$have_sound_esd" = "yes"; then
3110                 AC_MSG_RESULT([yes])
3111                 need_internal_media=yes
3112                 SXE_ADD_MM_OBJS([sound-esd.o])
3113                 ESD_LIBS=$("${ESD_CONFIG}" --libs)
3114                 SXE_PREPEND(["${ESD_LIBS}"], [MM_LIBS])
3115                 AC_DEFINE([HAVE_ESD_SOUND], [1], [Description here!])
3116         else
3117                 AC_MSG_RESULT([no])
3118                 have_esd_sound=no
3119         fi
3120 fi
3121
3122 dnl PulseAudio Sound support
3123 if test "$with_pulseaudio" != "no"; then
3124         SXE_MM_CHECK_PULSE([have_sound_pulse=yes], [have_sound_pulse=no])
3125
3126         AC_MSG_CHECKING([for sufficient PulseAudio support])
3127         if test "$have_sound_pulse" = "yes"; then
3128                 AC_MSG_RESULT([yes])
3129                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse`
3130                 pulse_version=`$PKG_CONFIG --modversion libpulse`
3131                 pulse_major_version=0
3132                 pulse_minor_version=`echo $pulse_version | \
3133                         sed -e "s/0\.\([[0-9]]*\).*/\1/"`
3134                 need_internal_media=yes
3135                 SXE_ADD_MM_OBJS([sound-pulse.o])
3136                 SXE_PREPEND($PULSEAUDIO_LIBS, MM_LIBS)
3137                 AC_DEFINE([HAVE_PULSE_SOUND], [1],
3138                         [Whether to put in support for PulseAudio.])
3139                 AC_DEFINE_UNQUOTED([PULSE_VERSION], [$pulse_minor_version],
3140                         [Version of the underlying pulse lib.])
3141         else
3142                 AC_MSG_RESULT(no)
3143                 have_sound_pulse=no
3144         fi
3145 fi
3146
3147 dnl Jack Sound support
3148 if test "$with_sound_jack" != "no"; then
3149         SXE_MM_CHECK_JACK([have_sound_jack=yes], [have_sound_jack=no])
3150
3151         AC_MSG_CHECKING([for sufficient Jack support])
3152         if test "$have_sound_jack" = "yes"; then
3153                 AC_MSG_RESULT([yes])
3154                 dnl okay, we have Jack on the system, but we have no working
3155                 dnl interface to it :(
3156                 JACK_LIBS=`$PKG_CONFIG --libs jack`
3157                 JACK_VERSION=`$PKG_CONFIG --modversion jack`
3158                 need_internal_media=yes
3159                 SXE_ADD_MM_OBJS([sound-jack.o])
3160                 SXE_PREPEND([$JACK_LIBS], [MM_LIBS])
3161                 AC_DEFINE([HAVE_JACK_SOUND], [1], [Description here!])
3162                 AC_DEFINE_UNQUOTED([JACK_VERSION], [$JACK_VERSION],
3163                         [Description here!])
3164         else
3165                 AC_MSG_RESULT(no)
3166         fi
3167 fi
3168
3169 dnl alsa sound support
3170 if test "$with_sound_alsa" != "no"; then
3171         SXE_MM_CHECK_ALSA([have_sound_alsa=yes], [have_sound_alsa=no])
3172
3173         AC_MSG_CHECKING([for sufficient ALSA support])
3174         if test "$have_sound_alsa" = "yes"; then
3175                 AC_MSG_RESULT([yes])
3176                 SXE_ADD_MM_OBJS([sound-alsa.o])
3177                 SXE_PREPEND([-lasound], [MM_LIBS])
3178         else
3179                 AC_MSG_RESULT(no)
3180                 have_sound_alsa=no
3181         fi
3182 fi
3183
3184 dnl libao sound support
3185 if test "$with_sound_ao" != "no"; then
3186         SXE_MM_CHECK_AO([have_sound_ao=yes], [have_sound_ao=no])
3187
3188         AC_MSG_CHECKING([for sufficient AO support])
3189         if test "$have_sound_ao" = "yes"; then
3190                 AC_MSG_RESULT([yes])
3191                 AO_LIBS=`$PKG_CONFIG --libs ao`
3192                 ao_version=`$PKG_CONFIG --modversion ao`
3193                 SXE_ADD_MM_OBJS([sound-ao.o])
3194                 SXE_PREPEND($AO_LIBS, MM_LIBS)
3195                 AC_DEFINE([HAVE_AO_SOUND], [1], [Description here!])
3196                 AC_DEFINE_UNQUOTED([AO_VERSION], [$ao_version], [Description here!])
3197         else
3198                 AC_MSG_RESULT(no)
3199                 have_sound_ao=no
3200         fi
3201 fi
3202
3203 if test \
3204    "$have_sound_alsa \
3205     $have_sound_ao \
3206     $have_sound_esd \
3207     $have_sound_jack \
3208     $have_sound_nas \
3209     $have_sound_pulse" != "no no no no no no"; then
3210         AC_DEFINE([HAVE_AUDIO], [1], [Description here!])
3211 fi
3212 if test "$need_internal_media" = "yes"; then
3213         with_internal_media=yes
3214         AC_DEFINE([HAVE_INTERNAL_MEDIA], [1], [Description here!])
3215         SXE_ADD_MM_OBJS([media-internal.o])
3216 fi
3217 AC_SUBST([MM_LIBS])
3218 AC_SUBST([MM_CPPFLAGS])
3219 AC_SUBST([MM_LDFLAGS])
3220 SXE_SUBST_MM_OBJS
3221
3222
3223 ## Internationalisation Options
3224 ## ============================
3225 echo
3226 echo "Internationalisation Options"
3227 echo "============================"
3228
3229 dnl ----------------------
3230 dnl Mule-dependent options
3231 dnl ----------------------
3232
3233 dnl if test "$with_mule" = "yes" && test ! -d "$sxe_srcdir/lisp/mule"; then
3234 dnl     echo "Attempt to Build with Mule without Mule/Lisp"
3235 dnl     echo "Please install the SXEmacs/Mule tarball or"
3236 dnl     echo "rerun configure with --with-mule=no"
3237 dnl     exit 1
3238 dnl fi
3239
3240 if test "$with_file_coding" = "yes" && test "$with_mule" = "no"; then
3241   AC_DEFINE([FILE_CODING], [1], [Description here!])
3242   SXE_ADD_MULE_OBJS(file-coding.o)
3243 fi
3244
3245 if test "$with_mule" = "yes" ; then
3246         SXE_CHECK_MULE
3247
3248 else dnl "$with_mule" = "no"
3249         for feature in xim canna wnn; do
3250                 if eval "test -n \"\$with_${feature}\" -a \
3251                         \"\$with_${feature}\" != no" ; then
3252                         AC_MSG_WARN([--with-${feature} ignored:  Not valid without Mule support])
3253                 fi
3254                 eval "with_${feature}=no"
3255         done
3256 fi dnl with_mule
3257 SXE_SUBST_MULE_OBJS
3258 AM_CONDITIONAL([WITH_MULE], [test "$with_mule" = "yes"])
3259
3260
3261 dnl At this point, we know whether we need the motif lib or not.
3262 if test "$need_motif" = "yes" ; then
3263         SXE_PREPEND([-lXm], [libs_x])
3264         dnl AIX needs the following library for use with Motif
3265         AC_CHECK_LIB([i18n], [layout_object_getvalue])
3266         if test "$ac_cv_lib_i18n_layout_object_getvalue" = "yes"; then
3267                 SXE_PREPEND([-li18n], [libs_x])
3268         fi
3269 fi
3270
3271 dnl getaddrinfo() is borked under hpux11
3272 if test "$ac_cv_func_getaddrinfo" != "no" ; then
3273   case "$opsys" in
3274     hpux11 )
3275       AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
3276       ac_cv_func_getaddrinfo=no
3277       ;;
3278   esac
3279 fi
3280
3281
3282 ## Database Options
3283 ## ================
3284 echo
3285 echo "Database Options"
3286 echo "================"
3287
3288 dnl Database support
3289 dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
3290 dnl On FreeBSD, both DB and DBM are part of libc.
3291 dnl By default, we check for DBM support in libgdbm, then libc, then libdbm.
3292
3293 ## initialise values
3294 have_database_berkdb=no
3295 have_database_gdbm=no
3296 have_database_dbm=no
3297
3298 if test "$with_database_gdbm $with_database_dbm $with_database_berkdb" \
3299    != "no no no"; then
3300         AS_MESSAGE(checking for database support)
3301 fi
3302
3303 dnl Check for ndbm.h, required for either kind of DBM support.
3304 if test "$with_database_gdbm $with_database_dbm" != "no no"; then
3305         SXE_CHECK_NDBM
3306         if test "$sxe_cv_feat_ndbm" = "no"; then
3307                 have_database_gdbm="no"
3308                 have_database_dbm="no"
3309         fi
3310 fi
3311
3312 dnl Check for DBM support in libgdbm or libgdbm_compat.
3313 if test "$with_database_gdbm" != "no"; then
3314         SXE_CHECK_GDBM
3315
3316         if test "$sxe_cv_feat_gdbm" = "yes"; then
3317                 have_database_gdbm="yes"
3318         else
3319                 have_database_gdbm="no"
3320         fi
3321 fi
3322
3323 dnl Check for DBM support in libc and libdbm.
3324 if test "$with_database_dbm" != "no"; then
3325         SXE_CHECK_DBM
3326
3327         if test "$sxe_cv_feat_gdbm" != "yes" -a \
3328                 "$sxe_cv_feat_dbm" = "yes"; then
3329                 have_database_dbm="yes"
3330         else
3331                 have_database_dbm="no"
3332         fi
3333 fi
3334
3335 dnl Check for Berkeley DB.
3336 if test "$with_database_berkdb" != "no"; then
3337         SXE_CHECK_BERKDB
3338
3339         if test "$sxe_cv_feat_berkdb" = "yes"; then
3340                 have_database_berkdb="yes"
3341         else
3342                 have_database_berkdb="no"
3343         fi
3344 fi
3345
3346 if test "$have_database_gdbm $have_database_dbm $have_database_berkdb" \
3347      != "no no no"; then
3348         AC_DEFINE([HAVE_DATABASE], [1], [Description here!])
3349         SXE_ADD_DB_OBJS([database.o])
3350
3351         SXE_CHECK_NDBM_BERKDB_CONFLICT
3352         if test "$sxe_cv_db_ndbm_berkdb_conflict" = "yes"; then
3353                 ## can't do nothing because the way we designed it
3354                 ## is going to conflict at compile time
3355                 have_database_gdbm="no"
3356                 have_database_dbm="no"
3357
3358         elif test "$have_database_gdbm $have_database_dbm" != "no no"; then
3359                 AC_DEFINE([HAVE_DBM], [1], [Description here!])
3360
3361                 ## Also, tell make about the DBM support we detected.
3362                 if test -n "$libdbm"; then
3363                         SXE_PREPEND([$libdbm], [DB_LIBS])
3364                 fi
3365         fi
3366 fi
3367
3368
3369 dnl Autodetect LDAP
3370 if test "$with_ldap" != "no"; then
3371         SXE_CHECK_LDAP
3372 fi
3373 if test "$have_ldap" = "yes"; then
3374         AC_DEFINE([HAVE_LDAP], [1], [Description here!])
3375         SXE_ADD_DB_OBJS(eldap.o)
3376         if test "$have_ldap_des" = "yes" ; then
3377                 SXE_PREPEND(-ldes, DB_LIBS)
3378         fi
3379         if test "$have_ldap_krb" = "yes" ; then
3380                 SXE_PREPEND(-lkrb, DB_LIBS)
3381         fi
3382         if test "$have_ldap_lber" = "yes" ; then
3383                 SXE_PREPEND(-llber, DB_LIBS)
3384         fi
3385         SXE_PREPEND(-lldap, DB_LIBS)
3386
3387         dnl save our values until here
3388         save_LIBS="$LIBS"
3389         LIBS="$DB_LIBS $LIBS"
3390         AC_CHECK_FUNCS(
3391                 [ldap_set_option ldap_get_lderrno ldap_result2error ldap_parse_result])
3392         dnl and restore
3393         LIBS="$save_LIBS"
3394 fi
3395
3396 dnl Autodetect PostgreSQL
3397 if test "x$with_postgresql" != "xno"; then
3398         SXE_CHECK_POSTGRESQL
3399 fi
3400 SXE_SUBST_DB_OBJS
3401
3402
3403 dnl Usage tracking (undocumented and likely unused option)
3404 if test "$usage_tracking" = "yes"; then
3405   AC_DEFINE([USAGE_TRACKING], [1], [Description here!])
3406   SXE_PREPEND(-Bstatic -lut -Bdynamic, LIBS)
3407 fi
3408
3409 dnl Unfortunately, just because we can link doesn't mean we can run.
3410 dnl One of the above link tests may have succeeded but caused resulting
3411 dnl executables to fail to run.  Also any tests using AC_RUN_IFELSE will
3412 dnl have reported incorrect results.
3413 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int c,char *v[]){return 0;}]])],[:],[
3414   echo ""
3415   echo "*** PANIC *** The C compiler can no longer build working executables."
3416   echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
3417   echo "*** PANIC *** The most likely reason for this problem is that configure"
3418   echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
3419   echo "*** PANIC *** found at run time."
3420   echo "*** PANIC ***"
3421   echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
3422   echo "*** PANIC *** On other systems, try telling configure where to find the"
3423   echo "*** PANIC *** shared libraries using the --with-site-runtime-libraries option"
3424   echo "*** PANIC ***"
3425   echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
3426   echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
3427   echo "*** PANIC *** on your system.  Don't do that."
3428   exit 1], [AS_MESSAGE(cannot cross-compile)])
3429
3430 dnl Process support
3431 AC_DEFINE([HAVE_UNIX_PROCESSES], [1], [Description here!])
3432
3433 dnl --------------------------------
3434 dnl Compute SUBST-itutable variables
3435 dnl --------------------------------
3436
3437 dnl We ignore (C|LD)_SWITCH_X_(MACHINE|SYSTEM)
3438 dnl Use SXE_CONSECUTIVE_UNDUP instead of plain assignment statements to remove extraneous blanks
3439 if test "$with_module_support" = "yes"; then
3440         ld_libs_module=
3441 else
3442         SXE_CONSECUTIVE_UNDUP(ld_libs_module, $ldap_libs $postgresql_libs)
3443 fi
3444
3445 SXE_UNDUP(CFLAGS, $CFLAGS)
3446 SXE_UNDUP(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system $CFLAGS $CPPFLAGS)
3447 SXE_UNDUP(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
3448 SXE_UNDUP(c_switch_all, $c_switch_general $c_switch_window_system)
3449 SXE_UNDUP(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
3450 SXE_UNDUP(ld_switch_window_system, $ld_switch_x_site)
3451 SXE_UNDUP(ld_switch_all, $ld_switch_general $ld_switch_window_system)
3452 dnl Since some systems need libs to be restated later, we can't just dedup, we can only safely dedup
3453 dnl consecutive occurrences
3454 SXE_CONSECUTIVE_UNDUP(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
3455 SXE_CONSECUTIVE_UNDUP(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
3456 SXE_CONSECUTIVE_UNDUP(ld_libs_all, $OPENSSL_LIBS $DB_LIBS $ENT_LIBS $MM_LIBS $ld_libs_window_system $ld_libs_general $ld_libs_module)
3457
3458 dnl For no-module builds, make the src dir last
3459 if test "$with_module_support" = "no"; then
3460         SXE_APPEND(src, MAKE_SUBDIR)    dnl is that still important?
3461 fi
3462
3463 EMACS=$sxe_blddir/src/$PROGNAME
3464 AC_SUBST(EMACS)
3465
3466 dnl Compute lists of Makefiles and subdirs
3467 AC_SUBST(SRC_SUBDIR_DEPS)
3468 internal_makefile_list="Makefile.in"
3469 SUBDIR_MAKEFILES=''
3470 test -d lock || mkdir lock
3471 for dir in $MAKE_SUBDIR; do
3472   case "$dir" in */* ) dnl Implement mkdir -p
3473     ( for d in `echo $dir | sed 's:/: :g'` ; do
3474         test -d "$d" || mkdir "$d"; cd "$d"
3475       done ) ;;
3476    * ) test -d "$dir" || mkdir "$dir" ;;
3477   esac
3478   SXE_SPACE(SUBDIR_MAKEFILES, $SUBDIR_MAKEFILES $dir/Makefile $dir/Makefile)
3479   SXE_SPACE(internal_makefile_list, $internal_makefile_list $dir/Makefile.in)
3480 done
3481
3482 AC_SUBST(INSTALL_ARCH_DEP_SUBDIR)
3483 AC_SUBST(MAKE_SUBDIR)
3484 AC_SUBST(MAKE_AM_SUBDIR)
3485 AC_SUBST(SUBDIR_MAKEFILES)
3486
3487 dnl ----------------------------------------------
3488 dnl Create some auxiliary files for developers.
3489 dnl ----------------------------------------------
3490
3491 dnl Create a useful TAGS file
3492 if test -f "$sxe_srcdir/TAGS" -a ! -f "TAGS"; then
3493   test "$extra_verbose" = "yes" && echo "creating TAGS"
3494   echo "\f
3495 $sxe_srcdir/TAGS,include" > "TAGS"
3496 fi
3497
3498 dnl Create top level .sbinit for Sun compilers
3499 if test "$__SUNPRO_C" = "yes"; then
3500   test "$extra_verbose" = "yes" && echo "creating .sbinit"
3501   ( echo "# For use with Sun WorkShop's Source browser."
3502     echo "# See sbquery(1) and sbinit(4) for more information"
3503     for dir in $MAKE_SUBDIR; do echo "import $dir"; done
3504   ) > .sbinit
3505 fi
3506
3507 ### whether to build with profile.o
3508 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3509 int main(int c, char *v[])
3510 {
3511 #ifdef HAVE_SETITIMER
3512         return 1;
3513 #else
3514         return 0;
3515 #endif
3516 }]])], [./conftest; have_setitimer=$?],
3517         [have_setitimer=$?],[have_setitimer=0])
3518 AM_CONDITIONAL([HAVE_SETITIMER], [test "$have_setitimer" = "1"])
3519
3520 ## whether to build with sheap.o
3521 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3522 int main(int c, char *v[])
3523 {
3524 #if defined(HEAP_IN_DATA) && !defined(PDUMP)
3525         return 1;
3526 #else
3527         return 0;
3528 #endif
3529 }]])], [./conftest; build_sheap=$?],
3530         [build_sheap=$?],[build_sheap=0])
3531 AM_CONDITIONAL([BUILD_SHEAP], [test "$build_sheap" = "1"])
3532
3533
3534 dnl There are no more compile tests; remove the core they created.
3535 rm -f core
3536
3537 dnl --------------------------------------------------
3538 dnl Substitute into Makefile, config.h and sxe-paths.h
3539 dnl --------------------------------------------------
3540
3541 dnl what sort of things to edit into Makefile, config.h and sxe-paths.h
3542 dnl configuration here uncanonicalized to avoid exceeding size limits.
3543
3544 AC_SUBST(PROGNAME)
3545 AC_SUBST(MULE)
3546 AC_SUBST(HAVE_LIBFFI)
3547 AC_SUBST(version)
3548 AC_SUBST(VERSION)
3549 AC_SUBST(old_version)
3550 AC_SUBST(inststaticdir)
3551 AC_SUBST(instvardir)
3552 AC_SUBST(instvarsepdir)
3553 AC_SUBST(sxe_srcdir)
3554 AC_SUBST(emodsrcdir)
3555 AC_SUBST(sxe_blddir)
3556 AC_SUBST(emodblddir)
3557 AC_SUBST(bindir)
3558 AC_SUBST(datarootdir)
3559 AC_SUBST(datadir)
3560 AC_SUBST(statedir)
3561 AC_SUBST(libdir)
3562 AC_SUBST(mandir)
3563 AC_SUBST(extra_includes)
3564
3565 AC_SUBST(prefix)
3566 AC_SUBST(PREFIX_USER_DEFINED)
3567 dnl Yo, Stephen Bourne!  I want to marry you!
3568 PREFIX=$prefix
3569 while true; do
3570   case "$PREFIX" in
3571     *\$* ) eval "PREFIX=\"${PREFIX}\"" ;;
3572     *) break ;;
3573   esac
3574 done
3575 AC_SUBST(PREFIX)
3576
3577 AC_SUBST(exec_prefix)
3578 AC_SUBST(EXEC_PREFIX_USER_DEFINED)
3579 EXEC_PREFIX=$exec_prefix
3580 while true; do
3581   case "$EXEC_PREFIX" in
3582     *\$* ) eval "EXEC_PREFIX=\"${EXEC_PREFIX}\"" ;;
3583     *) break ;;
3584   esac
3585 done
3586 AC_SUBST(EXEC_PREFIX)
3587
3588 AC_SUBST(infodir)
3589 AC_SUBST(INFODIR_USER_DEFINED)
3590 INFODIR=$infodir
3591 while true; do
3592   case "$INFODIR" in
3593     *\$* ) eval "INFODIR=\"${INFODIR}\"" ;;
3594     *) break ;;
3595   esac
3596 done
3597 AC_SUBST(INFODIR)
3598
3599 AC_SUBST(infopath,$with_infopath)
3600 AC_SUBST(INFOPATH_USER_DEFINED)
3601 INFOPATH=$with_infopath
3602 while true; do
3603   case "$INFOPATH" in
3604     *\$* ) eval "INFOPATH=\"${INFOPATH}\"" ;;
3605     *) break ;;
3606   esac
3607 done
3608 AC_SUBST(INFOPATH)
3609
3610 if test -z "$with_module_path"; then
3611     with_module_path="~/.sxemacs/${configuration}/modules:${libdir}/${PROGNAME}/${configuration}/site-modules:${libdir}/${instvardir}/${configuration}/modules"
3612 fi
3613
3614 AC_SUBST(module_path,$with_module_path)
3615 AC_SUBST(MODULE_PATH_USER_DEFINED)
3616 MODULE_PATH=$with_module_path
3617 while true; do
3618   case "$MODULE_PATH" in
3619     *\$* ) eval "MODULE_PATH=\"${MODULE_PATH}\"" ;;
3620     *) break ;;
3621   esac
3622 done
3623 AC_SUBST(MODULE_PATH)
3624
3625 if test -z "$with_package_prefix" ; then
3626   with_package_prefix=${prefix}/share/sxemacs
3627 fi
3628
3629 if test -z "$with_package_path" && test -n "$with_package_prefix" ; then
3630   if test "$with_mule" = "yes" ; then
3631     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages:~/.sxemacs/mule-packages"
3632     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages:${with_package_prefix}/mule-packages"
3633   else
3634     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages"
3635     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages"
3636   fi
3637 fi
3638
3639 AC_SUBST(package_path,$with_package_path)
3640 AC_SUBST(PACKAGE_PATH_USER_DEFINED)
3641 PACKAGE_PATH=$with_package_path
3642 while true; do
3643   case "$PACKAGE_PATH" in
3644     *\$* ) eval "PACKAGE_PATH=\"${PACKAGE_PATH}\"" ;;
3645     *) break ;;
3646   esac
3647 done
3648 AC_SUBST(PACKAGE_PATH)
3649
3650 AC_SUBST(lispdir, $with_lispdir)
3651 AC_SUBST(LISPDIR_USER_DEFINED)
3652 LISPDIR=$with_lispdir
3653 while true; do
3654   case "$LISPDIR" in
3655     *\$* ) eval "LISPDIR=\"${LISPDIR}\"" ;;
3656     *) break ;;
3657   esac
3658 done
3659 AC_SUBST(LISPDIR)
3660
3661 AC_SUBST(moduledir,$with_moduledir)
3662 AC_SUBST(MODULEDIR_USER_DEFINED)
3663 MODULEDIR=$with_moduledir
3664 while true; do
3665   case "$MODULEDIR" in
3666     *\$* ) eval "MODULEDIR=\"${MODULEDIR}\"" ;;
3667     *) break ;;
3668   esac
3669 done
3670 AC_SUBST(MODULEDIR)
3671
3672 AC_SUBST([sitelispdir], [$with_sitelispdir])
3673 AC_SUBST([SITELISPDIR_USER_DEFINED])
3674 SITELISPDIR=$sitelispdir
3675 while true; do
3676   case "$SITELISPDIR" in
3677     *\$* ) eval "SITELISPDIR=\"${SITELISPDIR}\"" ;;
3678     *) break ;;
3679   esac
3680 done
3681 AC_SUBST(SITELISPDIR)
3682
3683 AC_SUBST(sitemoduledir,$with_sitemoduledir)
3684 AC_SUBST(SITEMODULEDIR_USER_DEFINED)
3685 SITEMODULEDIR=$with_sitemoduledir
3686 while true; do
3687   case "$SITEMODULEDIR" in
3688     *\$* ) eval "SITEMODULEDIR=\"${SITEMODULEDIR}\"" ;;
3689     *) break ;;
3690   esac
3691 done
3692 AC_SUBST(SITEMODULEDIR)
3693
3694 AC_SUBST(etcdir,$with_etcdir)
3695 AC_SUBST(ETCDIR_USER_DEFINED)
3696 ETCDIR=$with_etcdir
3697 while true; do
3698   case "$ETCDIR" in
3699     *\$* ) eval "ETCDIR=\"${ETCDIR}\"" ;;
3700     *) break ;;
3701   esac
3702 done
3703 AC_SUBST(ETCDIR)
3704
3705 AC_SUBST(archlibdir,$with_archlibdir)
3706 AC_SUBST(ARCHLIBDIR_USER_DEFINED)
3707 ARCHLIBDIR=$with_archlibdir
3708 while true; do
3709   case "$ARCHLIBDIR" in
3710     *\$* ) eval "ARCHLIBDIR=\"${ARCHLIBDIR}\"" ;;
3711     *) break ;;
3712   esac
3713 done
3714 AC_SUBST(ARCHLIBDIR)
3715
3716 AC_SUBST(docdir,$with_docdir)
3717 AC_SUBST(DOCDIR_USER_DEFINED)
3718 DOCDIR=$with_docdir
3719 while true; do
3720   case "$DOCDIR" in
3721     *\$* ) eval "DOCDIR=\"${DOCDIR}\"" ;;
3722     *) break ;;
3723   esac
3724 done
3725 AC_SUBST(DOCDIR)
3726
3727 AC_SUBST(docdir)
3728 AC_SUBST(bitmapdir)
3729
3730 dnl The following flags combine all the information from:
3731 dnl - command line options (user always gets priority)
3732 dnl - user environment variables
3733 dnl - determined by configure
3734 dnl - the s&m header files (required for ellcc)
3735 AC_SUBST(machfile)
3736 AC_SUBST(opsysfile)
3737 AC_SUBST(c_switch_general)
3738 AC_SUBST(c_switch_window_system)
3739 AC_SUBST(c_switch_all)
3740 AC_SUBST(ld_switch_general)
3741 AC_SUBST(ld_switch_window_system)
3742 AC_SUBST(ld_switch_all)
3743 AC_SUBST(ld_libs_general)
3744 AC_SUBST(ld_libs_window_system)
3745 AC_SUBST(ld_libs_all)
3746 AC_SUBST(CFLAGS)
3747 AC_SUBST(CPPFLAGS)
3748 AC_SUBST(LDFLAGS)
3749 RECURSIVE_MAKE_ARGS="\$(MFLAGS) CC='\$(CC)' CFLAGS='\$(CFLAGS)' LDFLAGS='\$(LDFLAGS)' CPPFLAGS='\$(CPPFLAGS)'"
3750 if test -z "$MAKE"; then
3751         MAKE=make
3752 fi
3753 case `$MAKE --version 2>/dev/null` in
3754    GNU\ Make*)
3755         AM_MAKEFLAGS="-w $AM_MAKEFLAGS"
3756         RECURSIVE_MAKE_ARGS="-w $RECURSIVE_MAKE_ARGS"
3757    ;;
3758    *)
3759         echo ===================================
3760         echo $MAKE does not seem to be GNU Make
3761         echo If you find makefile errors please try using GNU Make as some
3762         echo autoconf constructs may not be proper for your make variant
3763         echo ===================================
3764    ;;
3765 esac
3766 AC_SUBST(RECURSIVE_MAKE_ARGS)
3767 AC_SUBST(AM_MAKEFLAGS)
3768
3769 AC_SUBST(sound_cflags)
3770 AC_SUBST(AR)
3771 AC_SUBST(RANLIB)
3772
3773 AC_SUBST(SXEMACS_CC)
3774 AC_SUBST(SXE_CFLAGS)
3775
3776 SXE_SUBST_CORE_OBJS()
3777
3778 SXE_SUBST_CRUFT_OBJS
3779
3780 dnl The default is yes
3781 if test "$with_prefix" = "yes"; then
3782   AC_DEFINE([PREFIX_USER_DEFINED], [1], [Description here!])
3783 fi
3784
3785 dnl Should this stay even though --with-site-modules is no longer an
3786 dnl option?  It is used in emacs.c for when the -no-site-modules cmd line
3787 dnl opt is used.  That cmd line opt definitely has usefullness.  Sebastian?
3788 dnl --SY.
3789 dnl The default is yes
3790 if test "$with_site_modules" = "no"; then
3791   AC_DEFINE([INHIBIT_SITE_MODULES], [1], [Description here!])
3792 fi
3793
3794 dnl SXE_SPACE(ac_configure_args, $ac_configure_args)
3795 AC_DEFINE_UNQUOTED([EMACS_CONFIGURATION], ["$ac_cv_build"], [Description here!])
3796 AC_DEFINE_UNQUOTED([EMACS_CONFIG_OPTIONS], ["$ac_configure_args"], [Description here!])
3797
3798 AC_SUBST([srcdir_equals_blddir_p])
3799
3800 dnl Following are deprecated
3801 null_string=""
3802 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE], [$null_string], [Description here!])
3803 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE_AUX], [$null_string], [Description here!])
3804 AC_DEFINE_UNQUOTED([C_SWITCH_X_SITE], [$null_string], [Description here!])
3805 AC_DEFINE_UNQUOTED([LD_SWITCH_SITE], [$null_string], [Description here!])
3806 AC_DEFINE_UNQUOTED([C_SWITCH_SITE], [$null_string], [Description here!])
3807
3808 dnl Note: as a general rule, *only* define things here that are not
3809 dnl autodetected.  For things that are autodetected, define them
3810 dnl at the point where the autodetection occurs or would occur,
3811 dnl so that the user gets immediate feedback on the results of the
3812 dnl autodetection.
3813
3814 if test "$GNU_MALLOC" = "yes"; then
3815         AC_DEFINE([GNU_MALLOC], [1], [Description here!])
3816         SXE_ADD_MEMALLOC_OBJS(vm-limit.o)
3817         if test "$doug_lea_malloc" != "yes"; then
3818                 SXE_ADD_MEMALLOC_OBJS(gmalloc.o)
3819         fi
3820         if test "$with_error_checking_malloc" = "yes"; then
3821                 dnl SXE_ADD_MEMALLOC_OBJS(free-hook.o)
3822                 :
3823         fi
3824 elif test "$with_system_malloc" = "yes" -o "$system_malloc" = "yes"; then
3825         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3826         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3827 elif test "$with_debug_malloc"  = "yes"; then
3828         AC_DEFINE([USE_DEBUG_MALLOC], [1], [Description here!])
3829         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3830         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3831         SXE_APPEND(-ldmalloc, MEMALLOC_LIBS)
3832 else
3833         SXE_ADD_MEMALLOC_OBJS([malloc.o])
3834 fi
3835 test "$GCC" = "yes" && \
3836         AC_DEFINE([USE_GCC], [1], [Description here!])
3837 test "$with_external_widget" = "yes" && \
3838         AC_DEFINE([EXTERNAL_WIDGET], [1], [Description here!])
3839 test "$with_quick_build" = "yes" && \
3840         AC_DEFINE([QUICK_BUILD], [1], [Description here!])
3841 if test "$with_purify" = "yes"; then
3842         AC_DEFINE([PURIFY], [1], [Description here!])
3843         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3844 fi
3845 if test "$with_quantify" = "yes"; then
3846         AC_DEFINE([QUANTIFY], [1], [Description here!])
3847         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3848 fi
3849 test "$with_pop" = "yes" && \
3850         AC_DEFINE([MAIL_USE_POP], [1], [Description here!])
3851 test "$with_hesiod" = "yes" && \
3852         AC_DEFINE([HESIOD], [1], [Description here!])
3853 test "$with_regex_malloc" = "yes" && \
3854         AC_DEFINE([REGEX_MALLOC], [1], [Description here!])
3855 test "$with_ipv6_cname" = "yes" && \
3856         AC_DEFINE([IPV6_CANONICALIZE], [1], [Description here!])
3857 if test "$with_pdump" = "yes"; then
3858         AC_DEFINE([PDUMP], [1], [Description here!])    dnl deprecated!
3859         AC_DEFINE([WITH_PDUMP], [1], [Description here!])
3860 fi
3861
3862 AM_CONDITIONAL([WITH_EXTW], [test "$with_external_widget" = "yes"])
3863 AM_CONDITIONAL([WITH_PDUMP], [test "$with_pdump" = "yes"])
3864 AC_SUBST([MEMALLOC_LIBS])
3865 SXE_SUBST_MEMALLOC_OBJS
3866
3867
3868 AC_DEFINE_UNQUOTED([USER_FULL_NAME], [pw->pw_gecos], [dnl
3869         USER_FULL_NAME returns a string that is the user's full name.
3870         It can assume that the variable `pw' points to the password file
3871         entry for this user.
3872
3873         At some sites, the pw_gecos field contains the user's full name.
3874         If neither this nor any other field contains the right thing, use
3875         pw_name, giving the user's login name, since that is better than
3876         nothing.])
3877
3878 AC_DEFINE([SIGTYPE], [RETSIGTYPE], [SIGTYPE is the macro we actually use])
3879 AC_DEFINE([SIGRETURN], [return], [SIGTYPE is the macro we actually use])
3880
3881 ## finally, redefine VERSION; this has to be done after all tests on C sources
3882 ## were run because otherwise the symbol VERSION would be defined twice and
3883 ## the C compiler would warn, sigh, and due to this stupid -Werror flag we ...
3884 ## tadadada ... will fail to run _any_ C test successfully
3885 AC_DEFINE_UNQUOTED([VERSION], ["$version"], [Version of SXEmacs.])
3886
3887 AH_TOP([
3888 #ifndef INCLUDED_sxe_config_h_
3889 #define INCLUDED_sxe_config_h_
3890
3891 #ifndef NOT_C_CODE
3892 #if defined (__GNUC__)
3893 #define alloca __builtin_alloca
3894 #elif defined __DECC
3895 #include <alloca.h>
3896 #pragma intrinsic(alloca)
3897 #elif defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3898 /* defer #include to end of file */
3899 #elif defined HAVE_ALLOCA_H
3900 #include <alloca.h>
3901 #elif defined(_AIX)
3902 #pragma alloca
3903 #elif ! defined (alloca)
3904 void *alloca();
3905 #endif
3906 #endif  /* C code */
3907 ])
3908
3909 AH_BOTTOM([
3910 /* The configuration script may define `opsysfile' to be the name of
3911    the s/...h file that describes your operating system.
3912    The file name is chosen based on the configuration name. */
3913
3914 #ifdef config_opsysfile
3915 #include config_opsysfile
3916 #endif
3917
3918 /* The configuration script may define `machfile' to be the name of
3919    the m/...h file that describes the machine you are using.
3920    The file name is chosen based on the configuration name. */
3921
3922 #ifdef config_machfile
3923 #include config_machfile
3924 #endif
3925
3926 /* basic system calls */
3927 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3928 # define ENCAPSULATE_READ
3929 # define ENCAPSULATE_WRITE
3930 #endif
3931 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3932 # define ENCAPSULATE_OPEN
3933 #endif
3934 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3935 # define ENCAPSULATE_CLOSE
3936 #endif
3937 /* stdio calls */
3938 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3939 # define ENCAPSULATE_FREAD
3940 # define ENCAPSULATE_FWRITE
3941 #endif
3942 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3943 # define ENCAPSULATE_FOPEN
3944 #endif
3945 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3946 # define ENCAPSULATE_FCLOSE
3947 #endif
3948
3949 #if defined (HAVE_SOCKS) && !defined (DO_NOT_SOCKSIFY)
3950 #define accept Raccept
3951 #define bind Rbind
3952 #define connect Rconnect
3953 #define getsockname Rgetsockname
3954 #define listen Rlisten
3955 #endif                          /* HAVE_SOCKS && !DO_NOT_SOCKSIFY */
3956
3957 #ifndef NOT_C_CODE              /* Actually means C or C++ */
3958 # if defined (__cplusplus)
3959 /* Avoid C++ keywords used as ordinary C identifiers */
3960 #  define class c_class
3961 #  define new   c_new
3962 #  define this  c_this
3963 #  define catch c_catch
3964 #  define EXTERN_C extern "C"
3965 # else                          /* C code */
3966 #  define EXTERN_C extern
3967 # endif
3968 #endif                          /* C or C++ */
3969 /* Strictly speaking, only int or unsigned int are valid types in a
3970    bitfield.  In practice, we would like to use enums as bitfields.
3971    The following should just result in warning avoidance:
3972    warning: nonportable bit-field type */
3973 #ifdef __GNUC__
3974 #define enum_field(enumeration_type) enum enumeration_type
3975 #else
3976 #define enum_field(enumeration_type) unsigned int
3977 #endif
3978
3979 #ifndef NOT_C_CODE
3980 #if defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3981 /* icc's alloca.h pulls in <features.h>,
3982    but that must be done after _GNU_SOURCE and friends are defined */
3983 #include <alloca.h>
3984 #endif
3985 #endif                          /* C code */
3986
3987 #endif  /* INCLUDED_sxe_config_h_ */
3988 ])
3989
3990
3991 dnl -------------------------------------------------------------------------
3992 dnl -------------------------------
3993 dnl Report on what we decided to do
3994 dnl -------------------------------
3995
3996 dnl #### We should tag this as the _build_ environment.
3997 dnl Before doing that, though, must check if tools care about line 1.
3998
3999 (
4000 dnl /etc/osversion is on SONY NEWS-OS
4001 if test -f /etc/osversion; then dnl SONY NEWS-OS
4002   echo "osversion: `cat /etc/osversion`"
4003 else
4004   echo "uname -a: `uname -a`"
4005 fi
4006 echo ""
4007 echo "$0 $ac_configure_args"
4008 ) > Installation
4009
4010 if test ! -z ${emacs_beta_version} ; then
4011   if test -z "${emacs_is_beta}" ; then
4012         sxemacs_betaname=".${emacs_beta_version}"
4013   else
4014         sxemacs_betaname="-b${emacs_beta_version}"
4015   fi
4016 else
4017   sxemacs_betaname=""
4018 fi
4019
4020 dnl -----------------
4021 dnl Talking LFSL now!
4022 dnl -----------------
4023
4024 dnl -----------------------------------
4025 dnl Now generate config.h and Makefiles
4026 dnl -----------------------------------
4027
4028 dnl This has to be called in order for this variable to get into config.status
4029 AC_SUBST([internal_makefile_list])
4030 # Remove any trailing slashes in these variables.
4031 if test -n "$prefix"; then
4032         prefix=`echo '' "$prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4033 fi
4034 if test -n "$exec_prefix"; then
4035         exec_prefix=`echo '' "$exec_prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4036 fi
4037
4038 make_ifeq="ifeq"
4039 make_endif="endif"
4040 make_else="else"
4041 AC_SUBST([make_ifeq])
4042 AC_SUBST([make_endif])
4043 AC_SUBST([make_else])
4044
4045 dnl Coupla things needed for subst'ing into the sxemacs.desktop file
4046 ABS_PROGNAME=${prefix}/bin/${PROGNAME}
4047 ABS_ETCDIR=${ETCDIR}
4048 SXE_CANONICALISE_PATH([ABS_PROGNAME])
4049 SXE_CANONICALISE_PATH([ABS_ETCDIR])
4050 AC_SUBST([ABS_PROGNAME])
4051 AC_SUBST([ABS_ETCDIR])
4052
4053 AC_CONFIG_FILES([src/sxe-paths.h])
4054 AC_CONFIG_FILES([Makefile])
4055 AC_CONFIG_FILES([lib-src/Makefile])
4056 AC_CONFIG_FILES([src/Makefile])
4057 AC_CONFIG_FILES([src/ui/Makefile])
4058 AC_CONFIG_FILES([src/ui/TTY/Makefile])
4059 AC_CONFIG_FILES([src/ui/lwlib/Makefile])
4060 AC_CONFIG_FILES([src/ui/X11/Makefile])
4061 AC_CONFIG_FILES([src/events/Makefile])
4062 AC_CONFIG_FILES([src/ent/Makefile])
4063 AC_CONFIG_FILES([src/media/Makefile])
4064 AC_CONFIG_FILES([src/mem/Makefile])
4065 AC_CONFIG_FILES([src/database/Makefile])
4066 AC_CONFIG_FILES([src/mule/Makefile])
4067 AC_CONFIG_FILES([src/.gdbinit:src/gdbinit])
4068 AC_CONFIG_FILES([src/.dbxrc:src/dbxrc])
4069 AC_CONFIG_FILES([lisp/Makefile])
4070 AC_CONFIG_FILES([info/Makefile])
4071 AC_CONFIG_FILES([tests/Makefile])
4072 AC_CONFIG_FILES([modules/Makefile])
4073 AC_CONFIG_FILES([etc/Makefile])
4074 AC_CONFIG_FILES([etc/sxemacs.desktop])
4075 AC_CONFIG_FILES([sxemacs.pc])
4076 AC_CONFIG_LINKS([.sxemacs.source.tree:])
4077
4078 AC_OUTPUT
4079 SXE_SUMMARY