compre on by default, no longer experimental
[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 ])
456
457 OG_ARG_WITH([purify],
458         AS_HELP_STRING([--with-purify],
459                 [Add support for memory debugging using Purify.]),
460         [no], [NO])
461
462 OG_ARG_WITH([quantify],
463         AS_HELP_STRING([--with-quantify],
464                 [Add support for performance debugging using Quantify.]),
465         [no], [NO])
466
467
468 dnl Window System Features
469 dnl ======================
470 OG_OPTION_GROUP(Window System Features)
471
472 OG_ARG_WITH([toolbars],
473         AS_HELP_STRING([--with-toolbars],
474                 [Compile in toolbar support.]),
475         [yes], [YES])
476
477 OG_ARG_WITH([external-widget],
478         AS_HELP_STRING([--with-external-widget],
479                 [Enable the "external widget" interface,
480                 which allows a SXEmacs frame to appear as a widget in
481                 another application.
482                 To date, we haven't heard of anyone who has actually done this.
483                 Consider this EXPERIMENTAL.]),
484         [no], [NO])
485
486 OG_ARG_WITH([menubars],
487         AS_HELP_STRING([--with-menubars=TYPE],
488                 [Type of menubars to use.  The Lucid menubars emulate
489                 Motif (mostly) but are faster.]),
490         [lucid], [Lucid], [lucid no])
491
492 OG_ARG_WITH([scrollbars],
493         AS_HELP_STRING([--with-scrollbars=TYPE],
494                 [Type of scrollbars to use.
495                 *WARNING*  The Motif scrollbars are currently broken.]),
496         [lucid], [Lucid], [lucid motif athena no])
497
498 OG_ARG_WITH([dialogs],
499         AS_HELP_STRING([--with-dialogs=TYPE],
500                 [Type of dialog boxes to use.  Athena dialogs will
501                  be used if Athena can be found.]),
502         [athena], [], [athena motif no])
503
504 OG_ARG_WITH([widgets],
505         AS_HELP_STRING([--with-widgets=TYPE],
506                 [Type of native widgets to use.  Athena widgets will
507                 be used if Athena can be found.]),
508         [athena], [], [athena motif no])
509
510 OG_ARG_WITH([athena],
511         AS_HELP_STRING([--with-athena=TYPE],
512                 [Type of Athena widgets to use.]),
513         [auto], [Autodetect], [auto xaw 3d next 95 xpm no])
514
515 OG_ARG_WITH([xim],
516         AS_HELP_STRING([--with-xim],
517                 [Type of Mule input method to use.]),
518         [auto], [Autodetect], [yes no xlib motif])
519
520 OG_ARG_WITH([wmcommand],
521         AS_HELP_STRING([--with-wmcommand],
522                 [Compile with realized leader window which will
523                 keep the WM_COMMAND property.]),
524         [yes], [YES])
525
526 OG_ARG_WITH([xmu],
527         AS_HELP_STRING([--with-xmu],
528                 [For those unfortunates whose vendors don't ship Xmu.]),
529         [auto], [Autodetect])
530
531 OG_ARG_WITH([xfs],
532         AS_HELP_STRING([--with-xfs],
533                 [Compile with XFontSet support for internationalized
534                 menubar.  Incompatible with `--with-xim=motif'.
535                 `--with-menubars=lucid' (the default) is desirable.]),
536         [no], [NO])
537
538 dnl TTY Options
539 dnl ================
540 OG_OPTION_GROUP(TTY options)
541
542 OG_ARG_WITH([tty],
543         AS_HELP_STRING([--with-tty],
544                 [Add support for ttys.]),
545         [auto], [Autodetect])
546
547 OG_ARG_WITH([ncurses],
548         AS_HELP_STRING([--with-ncurses],
549                 [Use the ncurses library for tty support.]),
550         [auto], [Autodetect])
551
552 OG_ARG_WITH([gpm],
553         AS_HELP_STRING([--with-gpm],
554                 [Compile in GPM mouse support for ttys.]),
555         [auto], [Autodetect])
556
557
558 dnl Database Options
559 dnl ================
560 OG_OPTION_GROUP(Database options)
561
562 OG_MULTIARG_WITH([database], [dnl
563         AS_HELP_STRING([--with-database=TYPE],
564                 [Compile with database support.])],
565         [auto], [Autodetect], [dnl
566         OG_MULTIARG_ITEM([berkdb], [berkdb], [Berkeley DB support])
567         OG_MULTIARG_ITEM([dbm], [dbm], [DBM database support])
568         OG_MULTIARG_ITEM([gdbm], [gdbm], [GNU DBM support])
569 ])
570
571 OG_ARG_WITH([ldap],
572         AS_HELP_STRING([--with-ldap],
573                 [Compile with support for the LDAP protocol.]),
574         [no], [NO])
575
576 OG_ARG_WITH([postgresql],
577         AS_HELP_STRING([--with-postgresql],
578                 [Compile with support for the PostgreSQL RDBMS.]),
579         [yes], [Autodetect])
580
581
582 dnl Multimedia Options
583 dnl ==================
584 OG_OPTION_GROUP(Multimedia options)
585
586 OG_MULTIARG_WITH([image], [dnl
587         AS_HELP_STRING([--with-image=TYPE],
588                 [Compile with image support.])],
589         [auto], [Autodetect all image support], [dnl
590         OG_MULTIARG_ITEM([gif], [GIF], [GIF image format])
591         OG_MULTIARG_ITEM([xpm], [XPM], [X PixMap image format])
592         OG_MULTIARG_ITEM([png], [PNG], [Portable Network Graphic format])
593         OG_MULTIARG_ITEM([jpeg], [JPEG], [jpeg image format])
594         OG_MULTIARG_ITEM([tiff], [TIFF], [TIFF image format])
595         OG_MULTIARG_ITEM([xface], [xface], [base64 encoded xbm])
596 ])
597
598 OG_MULTIARG_WITH([sound], [dnl
599         AS_HELP_STRING([--with-sound=TYPE],
600                 [Compile with sound support.])],
601         [auto], [Autodetect all sound support (except Pulse)], [dnl
602         OG_MULTIARG_ITEM([alsa], [ALSA], [kernel-based linux sound standard])
603         OG_MULTIARG_ITEM([ao], [ao], [generic audio output layer])
604         OG_MULTIARG_ITEM([arts], [aRts], [discontinued realtime synthesizer])
605         OG_MULTIARG_ITEM([esd], [ESD], [Enlightenment Sound Daemon])
606         OG_MULTIARG_ITEM([jack], [Jack], [a low-latency audio server])
607         OG_MULTIARG_ITEM([nas], [NAS], [Network Audio System])
608         OG_MULTIARG_ITEM([oss], [OSS], [Open Sound System])
609 ])
610
611 OG_ARG_WITH([pulseaudio],
612         AS_HELP_STRING([--with-pulseaudio],
613                 [Compile with support for the PulseAudio audio server.
614                 This has been turned off by default because of too many
615                 bugs in recent versions of PA.  Use at your own risk,
616                 YMMV, and all that.]),
617         [no], [NO])
618
619 OG_MULTIARG_WITH([media], [dnl
620         AS_HELP_STRING([--with-media=TYPE],
621                 [Compile with media stream support.])],
622         [auto], [Autodetect all media stream support libraries], [dnl
623         OG_MULTIARG_ITEM([ffmpeg], [FFmpeg], [media streams handled by ffmpeg])
624         OG_MULTIARG_ITEM([internal], [internal], [media streams handled internally])
625         OG_MULTIARG_ITEM([mad], [Mad], [media streams handled by mad])
626         OG_MULTIARG_ITEM([sndfile], [sndfile], [media streams handled by sndfile])
627         OG_MULTIARG_ITEM([sox], [SoX], [media streams handled by sox])
628         OG_MULTIARG_ITEM([magic], [magic], [file/libmagic support])
629 ])
630
631
632 dnl Cryptography Options
633 dnl ====================
634 OG_OPTION_GROUP(Cryptography options)
635
636 OG_ARG_WITH([openssl],
637         AS_HELP_STRING([--with-openssl],
638                 [Compile in experimental support for 
639                 OpenSSL libcrypto and libssl.]),
640         [yes], [YES])
641
642 OG_ARG_WITH([gnutls],
643         AS_HELP_STRING([--with-gnutls],
644                 [Compile in experimental support for 
645                 GnuTLS transport security.]),
646         [no], [NO])
647
648
649 dnl Networking Options
650 dnl ==================
651 OG_OPTION_GROUP(Networking options)
652
653 OG_ARG_WITH([dnet],
654         AS_HELP_STRING([--with-dnet],
655                 [Compile with support for DECnet.]),
656         [no], [NO])
657
658 OG_ARG_WITH([socks],
659         AS_HELP_STRING([--with-socks],
660                 [Compile with support for SOCKS (an Internet proxy).]),
661         [auto], [Autodetect])
662
663 OG_ARG_WITH([ipv6-cname],
664         AS_HELP_STRING([--with-ipv6-cname],
665                 [Try IPv6 information first when canonicalizing host names.
666                 This option has no effect unless system supports
667                 getaddrinfo(3) and getnameinfo(3).]),
668         [no], [NO])
669
670 OG_ARG_WITH([pop],
671         AS_HELP_STRING([--with-pop],
672                 [Support POP for mail retrieval.]),
673         [no], [NO])
674
675 OG_ARG_WITH([kerberos],
676         AS_HELP_STRING([--with-kerberos],
677                 [Support Kerberos-authenticated POP.]),
678         [no], [NO])
679
680 OG_ARG_WITH([hesiod],
681         AS_HELP_STRING([--with-hesiod],
682                 [Support Hesiod to get the POP server host.]),
683         [no], [NO])
684
685
686 dnl File-related Options
687 dnl ====================
688 OG_OPTION_GROUP(File-related options)
689
690 OG_ARG_WITH([clash-detection],
691         AS_HELP_STRING([--with-clash-detection],
692                 [Use lock files to detect multiple edits
693                 of the same file.]),
694         [no], [NO])
695
696 OG_ARG_WITH([mail-locking],
697         AS_HELP_STRING([--with-mail-locking=TYPE],
698                 [Specify the locking to be used by movemail to prevent
699                 concurrent updates of mail spool files. Valid types
700                 are `lockf'  `flock'  `file'  `locking'  `pop' or `mmdf'.]),
701         [auto], [Autodetect], [lockf flock file locking mmdf pop no])
702
703
704 dnl Internationalisation Options
705 dnl ============================
706 OG_OPTION_GROUP(Internationalisation options)
707
708 OG_ARG_WITH([mule],
709         AS_HELP_STRING([--with-mule],
710                 [Compile with Mule (MUlti-Lingual Emacs) support
711                 needed to support non-Latin-1 (including Asian)
712                 languages.]),
713         [yes], [YES])
714
715 OG_ARG_WITH([canna],
716         AS_HELP_STRING([--with-canna],
717                 [Compile with support for Canna (a Japanese input method
718                 used in conjunction with Mule support).]),
719         [auto], [Autodetect when Mule is enabled])
720
721 OG_ARG_WITH([wnn],
722         AS_HELP_STRING([--with-wnn],
723                 [Compile with support for Wnn (a multi-language input
724                 method used in conjunction with Mule support).]),
725         [auto], [Autodetect when Mule is enabled])
726
727 OG_ARG_WITH([wnn6],
728         AS_HELP_STRING([--with-wnn6],
729                 [Compile with support for the commercial package Wnn6.]),
730         [auto], [Autodetect when Mule is enabled])
731
732
733
734 dnl dnl Other Options
735 dnl dnl =============
736 dnl OG_OPTION_GROUP(Other options)
737 dnl 
738
739 ## -------------------------------------------------------------------------
740 ## Check for users who regularly forget about running autoconf
741 ## -------------------------------------------------------------------------
742 if test -f $0.ac -a $0.ac -nt $0; then
743         AC_MSG_ERROR([What are you doing? RUN autoreconf NOW!!!])
744 fi
745
746 #
747 # Turn off core generation. We are already verifying the program fails, no need 
748 # poluting the workspace. Of course if you are a SXEmacs developer you may want
749 # to comemnt this on occasion :-)
750 ulimit -c 0
751
752 ## initialise our nestable msg funs
753 SXE_INIT_MSG_LEVEL
754
755 dnl Small snippet to make echo -n work on solaris
756 ECHO_N= ECHO_C=
757 case `echo -n x` in
758 -n*)
759         case `echo 'x\c'` in
760         *c*)
761                 ;;
762         *)
763                 ECHO_C='\c'
764                 ;;
765         esac
766         ;;
767 *)
768         ECHO_N='-n'
769         ;;
770 esac
771
772
773 echo
774 echo "Preparing the build chain"
775 echo "========================="
776
777 ## We should brag about ourselves, no?
778 AC_DEFINE([XEMACS], [1], [Pretend to be an XEmacs])
779 AC_DEFINE([SXEMACS], [1], [Why not? It's the truth!])
780
781 dnl -------------------------------------------------------------------------
782 dnl Command line argument processing.
783 dnl -------------------------------------------------------------------------
784 dnl Check for bogus options
785 dnl -------------------------------------------------------------------------
786 SXE_CHECK_COMMAND_LINE
787
788 AM_INIT_AUTOMAKE([foreign -Wall])
789 SXE_CHECK_BUILDCHAIN
790 AC_SUBST(EGREP)
791
792 progname=$0
793 progbasename=$(basename $progname)
794 progdirname=$(dirname $progname)
795
796 ## Build Options
797 ## =============
798
799 echo
800 echo "Build and System Specific Options"
801 echo "================================="
802
803 SXE_EXPLORE_BUILD_ENVIRONMENT
804
805 dnl ----------------------------------------
806 dnl Find out which version of SXEmacs this is
807 dnl ----------------------------------------
808 AC_CHECK_PROG([have_git], [git], [yes], [no])
809 AC_MSG_CHECKING([for SXEmacs version])
810 AC_MSG_RESULT([SXEmacs SXEM4CS_VERSION])
811 dnl Must do the following first to determine verbosity for AC_DEFINE
812 if test -n "[]SXEM4CS_BETA_P[]"; then
813         beta=yes
814 else
815         beta=no
816 fi
817 : "${extra_verbose=$beta}"
818
819 AC_MSG_CHECKING([for SXEmacs patchlevel])
820 CURDIR=$(pwd)
821 cd "$sxe_srcdir"
822 if test "$have_git" = "yes"; then
823         sxemacs_git_version="$(git describe)"
824 fi
825 if test -z "$sxemacs_git_version" ; then
826         sxemacs_git_version="[]SXEM4CS_GIT_VERSION[]"
827 fi
828 AC_MSG_RESULT([$sxemacs_git_version])
829 version="$sxemacs_git_version"
830 cd "$CURDIR"
831 main_version="$sxemacs_git_version"
832 AC_DEFINE_UNQUOTED([EMACS_MAJOR_VERSION], [SXEM4CS_MAJOR_VERSION], [Description here!])
833 AC_DEFINE_UNQUOTED([EMACS_MINOR_VERSION], [SXEM4CS_MINOR_VERSION], [Description here!])
834 old_version=[]SXEM4CS_VERSION[]
835 if test -n "[]SXEM4CS_BETA_VERSION[]"; then
836         AC_MSG_CHECKING([if we are a beta version])
837         if test "$beta" = "yes"; then
838                 AC_MSG_RESULT([yes])
839                 AC_DEFINE_UNQUOTED([EMACS_BETA_VERSION], [SXEM4CS_BETA_VERSION],
840                         [Description here!])
841         else
842                 AC_MSG_RESULT([no])
843                 AC_DEFINE_UNQUOTED([EMACS_PATCH_LEVEL], [SXEM4CS_BETA_VERSION],
844                         [Description here!])
845         fi
846 fi
847 AC_DEFINE_UNQUOTED([SXEMACS_CODENAME], ["[]SXEM4CS_CODENAME[]"], [Description here!])
848 AC_DEFINE_UNQUOTED([EMACS_VERSION], ["$version"], [Description here!])
849 AC_DEFINE_UNQUOTED([SXEMACS_GIT_VERSION], ["$sxemacs_git_version"],
850         [Description here!])
851
852 PROGNAME=sxemacs
853
854 AC_DEFINE_UNQUOTED([EMACS_PROGNAME], ["$PROGNAME"], [Description here!])
855
856 ## build stuff in lib-src unconditionally
857 SXE_APPEND([lib-src], [MAKE_SUBDIR])
858 SXE_APPEND([lib-src], [INSTALL_ARCH_DEP_SUBDIR])
859
860 ## C compiler build chain
861 AC_USE_SYSTEM_EXTENSIONS
862 AC_LANG([C])
863 AS_MESSAGE([Let's look for the entire C build chain])
864 SXE_CHECK_CC
865 SXE_CHECK_CFLAGS
866
867 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
868
869 ## check machine chars
870 AS_MESSAGE([Let's have a detailed glance at your machine])
871 SXE_PROC_CPUID
872 SXE_PROC_VENDORID
873 SXE_NPROCESSORS
874 SXE_CHECK_PROC_GOODNESS
875
876
877 ## Debugging Options
878 ## =================
879 ## echo
880 ## echo "Debugging Options"
881 ## echo "================="
882
883 dnl ----------------------------------
884 dnl Error checking and debugging flags
885 dnl ----------------------------------
886 dnl Error checking default to "yes" in beta versions, to "no" in releases.
887 dnl Same goes for --enable-debug and --extra-verbosity.
888 if test "$with_error_checking_extents" = yes; then
889         have_error_checking_extents="yes"
890         AC_DEFINE([ERROR_CHECK_EXTENTS], [1], [Description here!])
891         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
892 fi
893 if test "$with_error_checking_types" = yes; then
894         have_error_checking_types="yes"
895         AC_DEFINE([ERROR_CHECK_TYPECHECK], [1], [Description here!])
896         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)],
897                 [assert (assertion)], [
898                 Make sure that all X... macros are dereferencing the correct type,
899                 and that all XSET... macros (as much as possible) are setting the
900                 correct type of structure.  Highly recommended for all
901                 development work.])
902         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
903 else
904         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)], [], [])
905 fi
906 if test "$with_error_checking_bufpos" = yes; then
907         have_error_checking_bufpos="yes"
908         AC_DEFINE([ERROR_CHECK_BUFPOS], [1], [Description here!])
909         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)],
910                 [assert (assertion)], [dnl
911                 Make sure valid buffer positions are passed to BUF_* macros])
912         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
913 else
914         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)], [], [])
915 fi
916 if test "$with_error_checking_gc" = yes; then
917         have_error_checking_gc="yes"
918         AC_DEFINE([ERROR_CHECK_GC], [1], [Description here!])
919         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)],
920                 [assert (assertion)], [dnl
921                 Attempt to catch bugs related to garbage collection
922                 (e.g. not GCPRO'ing)])
923         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
924 else
925         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)], [], [])
926 fi
927 if test "$with_error_checking_malloc" = yes; then
928         have_error_checking_malloc="yes"
929         AC_DEFINE([ERROR_CHECK_MALLOC], [1], [Description here!])
930         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
931 fi
932 if test "$with_error_checking_byte_code"  = yes; then
933         have_error_checking_byte_code="yes"
934         AC_DEFINE([ERROR_CHECK_BYTE_CODE], [1], [Description here!])
935         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
936 fi
937 if test "$with_error_checking_glyphs" = yes; then
938         have_error_checking_glyphs="yes"
939         AC_DEFINE([ERROR_CHECK_GLYPHS], [1], [Description here!])
940         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
941 fi
942
943 dnl enable_debug=yes must be set when error checking is present.  This should be
944 dnl fixed up.
945 dnl with_debug implies other options
946 if test "${with_debug:=$beta}" = "yes"; then
947         with_memory_usage_stats=yes
948         SXE_ADD_CRUFT_OBJS([debug.o])
949         SXE_ADD_CRUFT_OBJS([tests.o])
950         AC_DEFINE([DEBUG_SXEMACS], [1], [Description here!])
951 fi
952 if test "$with_memory_usage_stats" = "yes"; then
953         AC_DEFINE([MEMORY_USAGE_STATS], [1], [Description here!])
954 fi
955
956
957
958 dnl --------------------------------------------------------------
959 dnl $opsys detection complete; defaults depending on $opsys follow
960 dnl --------------------------------------------------------------
961
962
963 dnl --------------------------------------------------------------
964 dnl WooHoo! pdump is ON always and everywhere! --SY.
965 dnl --------------------------------------------------------------
966 with_pdump=yes
967
968 if test "$with_dynamic" != "no"; then
969         case "$opsys" in
970         hpux* | sunos4* )
971                 with_dynamic=no
972                 ;;
973         *)
974                 with_dynamic=yes
975                 ;;
976         esac
977 fi
978 if test "$with_dynamic" = "yes"; then
979         case "$opsys" in
980         hpux* | sunos4* | sco5 )
981                 opsys="${opsys}-shr"
982                 ;;
983         decosf* )
984                 ld_call_shared="-call_shared"
985                 ;;
986         darwin* )
987                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
988                 if test "x$have_ld_no_pie" != "x"; then
989                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
990                 fi
991                 ;;
992         esac
993 else dnl "$with_dynamic" = "no"
994         case "$opsys" in
995         sol2 )
996                 echo "Static linking is not supported on Solaris 2."
997                 echo "Rerun configure without specifying --without-dynamic."
998                 exit 1
999                 ;;
1000         linux )
1001                 ld_call_shared="-Bstatic"
1002                 ;;
1003         decosf* )
1004                 ld_call_shared="-non_shared"
1005                 ;;
1006         darwin* )
1007                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1008                 if test "x$have_ld_no_pie" != "x"; then
1009                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1010                 fi
1011                 ;;
1012         esac
1013 fi
1014
1015 dnl Tools configuration
1016 case "$opsys" in
1017 aix* )
1018         NON_GNU_CC=xlc
1019         ;;      dnl Use xlc by default on AIX
1020 darwin )
1021         RANLIB="ranlib -c"
1022         ;;  dnl Avoid link error in lwlib-config.c
1023         ## this needs rework I think because RANLIB is provided by LT_INIT anyway
1024 esac
1025
1026 stack_trace_eye_catcher=\
1027 `echo ${PROGNAME}_${version}_${ac_cv_build} | sed 'y!@/.-!____!'`
1028 AC_DEFINE_UNQUOTED([STACK_TRACE_EYE_CATCHER], [$stack_trace_eye_catcher],
1029         [Just a very looong string to make traces more readable.])
1030
1031 dnl --------------------------------------------------
1032 dnl Determine the compiler, set up for feature testing
1033 dnl --------------------------------------------------
1034
1035 if test "$with_clash_detection" != "no"; then
1036         AC_DEFINE([CLASH_DETECTION], [1], [Description here!])
1037         SXE_ADD_CRUFT_OBJS([filelock.o])
1038 fi
1039
1040
1041 dnl what exactly do we determine here? and where is it used?
1042 dnl dnl Determine GCC version.
1043 dnl if test "$GCC" = "yes"; then
1044 dnl     AC_RUN_IFELSE([AC_LANG_SOURCE([[
1045 dnl int main ()
1046 dnl {
1047 dnl #if __GNUC__ >= 3
1048 dnl     return 11;
1049 dnl #else
1050 dnl     return 0;
1051 dnl #endif
1052 dnl }]])], [:], [dnl
1053 dnl case "$?" in
1054 dnl 11)
1055 dnl     echo "You appear to be using GCC version 3 or above."
1056 dnl     __GCC3=yes
1057 dnl     ;;
1058 dnl esac], [__GCC3=no])
1059 dnl fi
1060
1061 dnl We don't do AC_PROG_CC for SXEMACS_CC; if we can't trust these people....
1062 : ${SXEMACS_CC:="$CC"}
1063
1064 dnl Figure out what C preprocessor to use.
1065
1066 dnl On Sun systems, people sometimes set up the variable CPP
1067 dnl with a value that is a directory, not an executable at all.
1068 dnl Detect that case, and ignore that value.
1069 test -n "$CPP" -a -d "$CPP" && CPP=
1070
1071 test -n "$NON_GNU_CPP" -a "$GCC" != "yes" -a -z "$CPP" && CPP="$NON_GNU_CPP"
1072
1073 dnl --------------------------------------------------------------------
1074 dnl Compiler feature macros
1075 dnl --------------------------------------------------------------------
1076
1077
1078 dnl --------------------------------------------------------------------
1079 dnl Extract some information from the operating system and machine files
1080 dnl --------------------------------------------------------------------
1081
1082 echo "Extracting information from the machine- and system-dependent headers..."
1083
1084 SXE_CHECK_MACHARCH
1085 SXE_EXTRACT_MACHARCH_INFO
1086
1087 dnl s&m files shouldn't be required to define anything, or even to exist.
1088 dnl So we default SYSTEM_TYPE to the obvious documented standard, `uname -s`,
1089 dnl appropriately emacsulated.
1090 if test -z "$system_type"; then
1091         AC_DEFINE_UNQUOTED([SYSTEM_TYPE],
1092                 ["`uname -s | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"],
1093                 [Description here!])
1094 fi
1095
1096 dnl If the s&m files don't define a system-specific dumper, simply use pdump.
1097 dnl Sometime in the future, we'll remove all definitions of UNEXEC
1098 dnl from all the s&m files.
1099 test -z "$unexec" && with_pdump=yes
1100
1101 if test "$with_pdump" = "yes"; then
1102         ordinary_link="yes"
1103         ld="${ordinary_ld}"
1104         start_files=
1105         libs_standard=
1106         unexec=
1107         lib_gcc=
1108 fi
1109
1110 dnl dnl For debugging...
1111 dnl SXE_PRINT_VAR([libs_machine libs_system libs_termcap libs_standard
1112 dnl     objects_machine objects_system c_switch_machine c_switch_system
1113 dnl     ld_switch_machine ld_switch_system unexec ld_switch_shared
1114 dnl     ld lib_gcc ld_text_start_addr start_files ordinary_link
1115 dnl     have_terminfo mail_use_flock mail_use_lockf]) && echo ""
1116
1117 dnl bitch at build attempt on win32 machines
1118 case "$opsys" in mingw* | cygwin*)
1119         SXE_DIE("Invalid operation system. Cannot build on win32 machines.")
1120 esac
1121
1122 dnl Non-ordinary link usually requires -lc
1123 test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
1124
1125 ## perform compiler specific things
1126 SXE_DO_CC_HACKS
1127 ## machine specific extensions
1128 SXE_CHECK_SIMD_EXTENSIONS
1129
1130 ## some linker flags that might come in handy
1131 SXE_CHECK_LDFLAGS
1132
1133 ## suffices to be defined late, for instance here
1134 SXE_CHECK_PARSER_LEXER
1135
1136 if test "$with_pdump" != "yes"; then
1137         ## GNU ld now defaults to combreloc, which screws up unexec,
1138         ## but not pdump.
1139         ## Note that it's OK if the GNU style long option causes
1140         ## non-GNU ld to barf a usage message, that's often good
1141         ## enough.  Please report it, though.
1142         ## #### Should make this Solaris-friendly.
1143         ## Link with -z nocombreloc for now.
1144         SXE_CHECK_LD_ZFLAG([nocombreloc])
1145         if test "$sxe_cv_ld__z_nocombreloc" = "yes"; then
1146                 SXE_PREPEND_LINKER_FLAG([-z nocombreloc], [ld_switch_site])
1147         fi
1148 fi
1149
1150 dnl Inform compiler that certain flags are meant for the linker
1151 SXE_PROTECT_LINKER_FLAGS(ld_switch_system)
1152 SXE_PROTECT_LINKER_FLAGS(ld_switch_machine)
1153 SXE_PROTECT_LINKER_FLAGS(ld_switch_site)
1154 SXE_PROTECT_LINKER_FLAGS(LDFLAGS)
1155 SXE_PROTECT_LINKER_FLAGS(ld_call_shared)
1156
1157 dnl Add s&m-determined objects to link line
1158 test -n "$objects_machine" && SXE_ADD_CORE_OBJS($objects_machine)
1159 test -n "$objects_system"  && SXE_ADD_CORE_OBJS($objects_system)
1160 test "$with_pdump" = "yes" && SXE_ADD_CORE_OBJS(dumper.o)
1161
1162
1163 dnl Feed s&m crud to src/Makefile
1164
1165 dnl Linux/powerpc needs the following magic for some reason
1166 dnl [Not needed with YellowDog 2.3 and causes link problems with YellowDog 3.0,
1167 dnl the two most popular PowerPC distributions.]
1168 dnl test "$machine$opsys" = "powerpclinux" && start_flags="-T $sxe_srcdir/src/ppc.ldscript"
1169
1170 AC_LANG(C)
1171 if test "$unexec" = "unexaix.o"; then
1172 dnl AIX needs various hacks to make static linking work.
1173   if   test "$with_dynamic" = "no"; then
1174   start_flags="-Wl,-bnso,-bnodelcsect"
1175   test "$GCC" = "yes" && start_flags="-B/bin/ ${start_flags}"
1176   for f in "/lib/syscalls.exp" "/lib/threads.exp"; do
1177     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; fi
1178   done
1179   for f in "/usr/lpp/X11/bin/smt.exp" "/usr/bin/X11/smt.exp"; do
1180     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; break; fi
1181   done
1182   AC_CHECK_LIB([c], [terminateAndUnload], [SXE_APPEND(-lC, libs_system)])
1183   fi
1184 elif test -n "$ld_text_start_addr"; then
1185   start_flags="-T $ld_text_start_addr -e __start"
1186 fi
1187 AC_SUBST(start_flags)
1188
1189 AC_SUBST(ld_switch_shared)
1190 AC_SUBST(start_files)
1191 if test "$ordinary_link" = "no" -a "$GCC" = "yes"; then
1192         if test -z "$linker"; then
1193                 linker='$(CC) -nostdlib'
1194                 SXE_APPEND([-nostdlib], [start_flags])
1195         fi
1196         test -z "$lib_gcc" && lib_gcc='`$(CC) -print-libgcc-file-name`'
1197 fi
1198 test "$GCC" != "yes" && lib_gcc=
1199 AC_SUBST(ld)
1200 AC_SUBST(lib_gcc)
1201
1202
1203
1204 ## ---------------------------------------------------------------
1205 ## Add site and system specific flags to compile and link commands
1206 ## ---------------------------------------------------------------
1207
1208 ## compute those site prefixes
1209 SXE_COMPUTE_SITE_PREFIXES
1210 ## compute a LD_RUN_PATH
1211 SXE_COMPUTE_LD_RUN_PATH
1212
1213
1214 ## some header checks
1215 SXE_CHECK_BASIC_HEADERS
1216 ## the very basic c types
1217 SXE_CHECK_BASIC_TYPES
1218
1219 ## for signalling
1220 SXE_CHECK_SIGNALS
1221
1222 AC_CHECK_MEMBERS([struct stat.st_rdev])
1223 AC_CHECK_TYPES([ptrdiff_t])
1224
1225 ## check whether intptr_t is definied in sys/types.h
1226 SXE_CHECK_INTPTR_T
1227
1228 dnl -lm is required for floating point support, among other things
1229 AC_CHECK_FUNC([sin], [], [AC_CHECK_LIB([m], [sin])])
1230
1231
1232 dnl check for Make feature
1233 AC_PROG_MAKE_SET
1234
1235
1236 dnl check for long file names
1237 AC_SYS_LONG_FILE_NAMES
1238 AC_SYS_LARGEFILE
1239 AC_SYS_INTERPRETER
1240 AC_SYS_POSIX_TERMIOS
1241
1242 AC_FUNC_MALLOC
1243 AC_FUNC_MKTIME
1244
1245 dnl See if mkstemp is available
1246 AC_CHECK_FUNCS([mkstemp])
1247
1248 SXE_CHECK_FILE_LOCK
1249
1250 case "$opsys" in decosf*)
1251         AC_CHECK_LIB([pthreads], [cma_open])
1252         if test "$ac_cv_lib_pthreads_cma_open" = "yes"; then
1253                 c_switch_site="$c_switch_site -threads"
1254         fi
1255         ;;
1256 esac
1257
1258
1259 dnl ----------------------------------------------------------------
1260 dnl Miscellaneous flags
1261 dnl ----------------------------------------------------------------
1262
1263 AC_MSG_CHECKING(whether the -xildoff compiler flag is required)
1264 if   ${CC-cc} '-###' -xildon  no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ; then
1265   if ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
1266     then AC_MSG_RESULT(no);
1267     else AC_MSG_RESULT(yes); SXE_APPEND_UNDUP(-xildoff, ld_switch_site)
1268   fi
1269   else AC_MSG_RESULT(no)
1270 fi
1271
1272 dnl Link with "-z ignore" on Solaris if supported
1273 if test "$opsys" = "sol2"; then
1274   if test "$os_release" -ge 506; then
1275     AC_MSG_CHECKING(for "-z ignore" linker flag)
1276     case "`ld -h 2>&1`" in
1277       *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
1278         SXE_PREPEND_UNDUP(-z ignore, ld_switch_site) ;;
1279       *) AC_MSG_RESULT(no) ;;
1280     esac
1281   fi
1282 fi
1283
1284 dnl ----------------------------------------------------------------
1285 dnl Check for Unixoid pty/process support.
1286 dnl ----------------------------------------------------------------
1287
1288 dnl There is no "standard" pty allocation method.  Every system is different.
1289 dnl  getpt()  is the preferred pty allocation method on glibc systems.
1290 dnl _getpty() is the preferred pty allocation method on SGI systems.
1291 dnl grantpt(), unlockpt(), ptsname() are defined by Unix98.
1292 AC_CHECK_FUNCS([getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp])
1293
1294 dnl openpty() is the preferred pty allocation method on BSD and Tru64 systems.
1295 dnl openpty() might be declared in:
1296 dnl - pty.h (Tru64 or Linux)
1297 dnl - libutil.h (FreeBSD)
1298 dnl - util.h (NetBSD)
1299 AC_CHECK_FUNC(openpty, have_openpty=yes, [
1300   AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
1301 if test "$have_openpty" = "yes"; then
1302   AC_DEFINE([HAVE_OPENPTY], [1], [Description here!])
1303   AC_CHECK_HEADERS(libutil.h util.h, break)
1304   test "$need_libutil" = "yes" && SXE_APPEND(-lutil, libs_system)
1305 fi
1306
1307 dnl Check for system-specific pty header files
1308 dnl Often the TIOCSIG* symbols are hiding there.
1309 case "$opsys" in
1310   dnl HPUX pty.h #defines TRUE and FALSE, so just use ptyio.h there.
1311   hpux*) AC_CHECK_HEADERS(sys/ptyio.h) ;;
1312   *) AC_CHECK_HEADERS(pty.h)
1313      test "$ac_cv_header_pty_h" = "no" && AC_CHECK_HEADERS(sys/pty.h)
1314      ;;
1315 esac
1316
1317 dnl Check for STREAM support functions.
1318 dnl Confusingly, "str" means both "string" and "SysV Streams".
1319 AC_CHECK_HEADERS(stropts.h)
1320 if test "$ac_cv_header_stropts_h" = "yes"; then
1321   AC_CHECK_FUNCS(isastream)
1322   AC_CHECK_HEADERS(strtio.h) dnl TIOCSIGNAL
1323 fi
1324
1325 dnl Check whether the system provides getloadavg().
1326 AC_CHECK_FUNCS(getloadavg)
1327
1328 if test "$ac_cv_func_getloadavg" = "yes"; then
1329   dnl Solaris 8 declares getloadavg() in <sys/loadavg.h>.
1330   dnl glibc 2.2 declares getloadavg() in <stdlib.h>...
1331   dnl   ...if we #define _GNU_SOURCE, which we do.
1332   AC_CHECK_HEADERS(sys/loadavg.h)
1333 else
1334   dnl We define our own getloadavg() using lower level functions.
1335   SXE_ADD_CRUFT_OBJS([getloadavg.o])
1336
1337   dnl Used by getloadavg() - does not require root priveleges
1338   AC_CHECK_LIB(kstat, kstat_open)
1339   AC_CHECK_HEADERS(kstat.h)
1340
1341   dnl Another way to get the load average
1342   AC_CHECK_LIB(kvm, kvm_read)
1343 fi
1344
1345 dnl If netdb.h does not declare h_errno, we must declare it by hand.
1346 AC_MSG_CHECKING(whether netdb declares h_errno)
1347 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
1348   [[return h_errno;]])],
1349   [AC_MSG_RESULT(yes)
1350    AC_DEFINE([HAVE_H_ERRNO], [1], [Description here!])],
1351   [AC_MSG_RESULT(no)])
1352
1353 AC_MSG_CHECKING([for sigsetjmp])
1354 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1355 #include <setjmp.h>
1356         ]], [[
1357 sigjmp_buf bar;
1358 sigsetjmp (bar, 0);
1359         ]])],
1360         [sxe_cv_c_func_sigsetjmp="yes"],
1361         [sxe_cv_c_func_sigsetjmp="no"])
1362 AC_MSG_RESULT([$sxe_cv_c_func_sigsetjmp])
1363 if test "$sxe_cv_c_func_sigsetjmp" = "yes"; then
1364         AC_DEFINE([HAVE_SIGSETJMP], [1], [Description here!])
1365         AC_DEFINE_UNQUOTED([SETJMP(x)], [sigsetjmp (x, 0)], [dnl
1366                 We want to avoid saving the signal mask if possible, because
1367                 that necessitates a system call.])
1368         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [siglongjmp(x, y)], [dnl
1369                 Description here!])
1370         AC_DEFINE_UNQUOTED([JMP_BUF], [sigjmp_buf], [dnl
1371                 Description here!])
1372 else
1373         AC_DEFINE_UNQUOTED([SETJMP(x)], [setjmp(x)], [dnl
1374                 We want to avoid saving the signal mask if possible, because
1375                 that necessitates a system call.])
1376         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [longjmp(x, y)], [Description here!])
1377         AC_DEFINE_UNQUOTED([JMP_BUF], [jmp_buf], [Description here!])
1378 fi
1379
1380
1381 AC_MSG_CHECKING(whether localtime caches TZ)
1382 AC_CACHE_VAL(emacs_cv_localtime_cache,
1383 [if test "$ac_cv_func_tzset" = "yes"; then
1384 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
1385 #if STDC_HEADERS
1386 # include <stdlib.h>
1387 #endif
1388 extern char **environ;
1389 unset_TZ ()
1390 {
1391   char **from, **to;
1392   for (to = from = environ; (*to = *from); from++)
1393     if (! (to[[0]][[0]] == 'T' && to[[0]][[1]] == 'Z' && to[[0]][[2]] == '='))
1394       to++;
1395 }
1396 char TZ_GMT0[[]] = "TZ=GMT0";
1397 char TZ_PST8[[]] = "TZ=PST8";
1398 main()
1399 {
1400   time_t now = time ((time_t *) 0);
1401   int hour_GMT0, hour_unset;
1402   if (putenv (TZ_GMT0) != 0)
1403     exit (1);
1404   hour_GMT0 = localtime (&now)->tm_hour;
1405   unset_TZ ();
1406   hour_unset = localtime (&now)->tm_hour;
1407   if (putenv (TZ_PST8) != 0)
1408     exit (1);
1409   if (localtime (&now)->tm_hour == hour_GMT0)
1410     exit (1);
1411   unset_TZ ();
1412   if (localtime (&now)->tm_hour != hour_unset)
1413     exit (1);
1414   exit (0);
1415 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1416 [# If we have tzset, assume the worst when cross-compiling.
1417 emacs_cv_localtime_cache=yes])
1418 else
1419         # If we lack tzset, report that localtime does not cache TZ,
1420         # since we can't invalidate the cache if we don't have tzset.
1421         emacs_cv_localtime_cache=no
1422 fi],[:])dnl
1423 AC_MSG_RESULT($emacs_cv_localtime_cache)
1424 if test $emacs_cv_localtime_cache = yes; then
1425   AC_DEFINE([LOCALTIME_CACHE], [1], [Description here!])
1426 fi
1427
1428
1429 need_alloca_c=no
1430 dnl HP-UX has a working alloca in libPW.
1431 dnl case "${GCC}${opsys}" in hpux* )
1432 dnl  AC_CHECK_FUNC(alloca, [:], [AC_CHECK_LIB(PW, alloca)])
1433 dnl esac
1434
1435 dnl AC_FUNC_ALLOCA doesn't know about DEC C's #pragma intrinsic(alloca)
1436 if test "$__DECC" != "yes"; then
1437         AC_FUNC_ALLOCA
1438         if test -n "$ALLOCA"; then
1439                 SXE_ADD_CRUFT_OBJS([$ALLOCA])
1440                 need_alloca_c=yes
1441         fi
1442 fi
1443
1444 AC_MSG_CHECKING(for working alloca in function calls)
1445 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1446 #if defined (__GNUC__)
1447 #define alloca __builtin_alloca
1448 #elif defined (__DECC)
1449 #include <alloca.h>
1450 #pragma intrinsic(alloca)
1451 #elif defined (HAVE_ALLOCA_H)
1452 #include <alloca.h>
1453 #elif defined (_AIX)
1454 #pragma alloca
1455 #elif ! defined (alloca)
1456 #ifdef C_ALLOCA
1457 #define alloca xemacs_c_alloca
1458 #else
1459 void *alloca ();
1460 #endif /* C_ALLOCA */
1461 #endif /* !defined (alloca) */
1462
1463 void
1464 f1 (double a, void *ptr, int b)
1465 {
1466   unsigned char *ptr2 = (unsigned char *) ptr;
1467   if (ptr2[[0]] != 0xBF || ptr2[[1]] != 0xBF || ptr2[[3000]] != 0xBF)
1468     exit (1);
1469   if (a != 3.1415 || b != -5490)
1470     exit (1);
1471 }
1472
1473 int
1474 f2 (short c, void *ptr, long e)
1475 {
1476   unsigned char *ptr2 = (unsigned char *) ptr;
1477   if (ptr2[[0]] != 0xFB || ptr2[[1]] != 0xFB || ptr2[[1000]] != 0xFB)
1478     exit (1);
1479   if (c != 665 || e != 776776776)
1480     exit (1);
1481   f1 (3.1415, memset (alloca (3001), 0xBF, 3001), -5490);
1482   return 42;
1483 }
1484
1485 int
1486 main (int argc, char *argv[])
1487 {
1488   if (f2 (665, memset (alloca (1001), 0xFB, 1001), 776776776) != 42)
1489     return 1;
1490   return 0;
1491 }
1492 ]])], working_alloca_in_function_calls=yes, working_alloca_in_function_calls=no,
1493 working_alloca_in_function_calls=no)
1494 AC_MSG_RESULT($working_alloca_in_function_calls)
1495 test "$working_alloca_in_function_calls" != "yes" && \
1496   AC_DEFINE([BROKEN_ALLOCA_IN_FUNCTION_CALLS], [1], [Description here!])
1497
1498 AM_CONDITIONAL([NEED_ALLOCA_C], [
1499         test "$working_alloca_in_function_calls" = "yes" && \
1500         test "$need_alloca_c" = "yes"])
1501
1502 dnl Check whether strcoll exists and works correctly. (This does more
1503 dnl than just check for its existence.) If so, it defines HAVE_STRCOLL.
1504 AC_FUNC_STRCOLL
1505
1506 dnl If `getpgrp' takes no argument (the POSIX.1 version), define
1507 dnl `GETPGRP_VOID'.  Otherwise, it is the BSD version, which takes a
1508 dnl process ID as an argument.
1509 AC_CHECK_FUNCS(getpgrp)
1510 AC_FUNC_GETPGRP
1511
1512 dnl We used to call AC_FUNC_MMAP here
1513 dnl Instead we now use following, suggested by Neal Becker
1514 AC_MSG_CHECKING(for working mmap)
1515 case "$opsys" in ultrix* ) have_mmap=no ;; *)
1516 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1517 #include <unistd.h>
1518 #include <fcntl.h>
1519 #include <sys/mman.h>
1520
1521 #ifndef MAP_VARIABLE
1522 #define MAP_VARIABLE 0
1523 #endif
1524
1525 #ifndef MAP_FAILED
1526 #define MAP_FAILED -1
1527 #endif
1528
1529 int main (int argc, char *argv[])
1530 {
1531   int fd = -1;
1532   caddr_t p;
1533 #ifndef MAP_ANONYMOUS
1534   fd = open ("/dev/zero", O_RDWR);
1535   if (fd < 0)
1536     return 1;
1537 #define MAP_ANONYMOUS 0
1538 #endif
1539   if (mmap(0, 1024, PROT_READ | PROT_WRITE,
1540            MAP_PRIVATE | MAP_VARIABLE | MAP_ANONYMOUS,
1541            fd, 0) != (void *) MAP_FAILED)
1542     return 0;
1543   perror ("conftest: mmap failed");
1544   return 1;
1545 }]])], have_mmap=yes, have_mmap=no, have_mmap=no) ;;
1546 esac
1547 AC_MSG_RESULT($have_mmap)
1548 test "$have_mmap" = "yes" && AC_DEFINE([HAVE_MMAP], [1], [Description here!])
1549
1550 dnl rel_alloc requires either GNU malloc or system malloc with mmap
1551 dnl We only turn rel_alloc on by default if mmap is available.
1552 test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && with_rel_alloc=no
1553 if test "$with_rel_alloc $have_mmap" = "default yes"; then
1554         if test "$doug_lea_malloc" = "yes"; then
1555                 dnl Check if malloc() calls mmap(), making rel_alloc pointless.
1556                 AC_MSG_CHECKING(for M_MMAP_THRESHOLD)
1557                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],[[
1558 #ifndef M_MMAP_THRESHOLD
1559 #error No M_MMAP_THRESHOLD :-(
1560 !@+$%^&*_)(_ - unlikely to compile...
1561 #endif
1562                         ]])], [
1563                         with_rel_alloc=no
1564                         AC_MSG_RESULT(yes)], [
1565                         with_rel_alloc=yes
1566                         AC_MSG_RESULT(no)])
1567         else
1568                 with_rel_alloc=yes
1569         fi
1570 fi
1571 if test "$with_rel_alloc" = "yes"; then
1572         AC_DEFINE([REL_ALLOC], [1], [Description here!])
1573         SXE_ADD_MEMALLOC_OBJS(ralloc.o)
1574 fi
1575
1576 dnl Check for tests/rminal I/O variants
1577 dnl TERMIOS systems may have termio.h, but not vice-versa, I think.
1578 AC_CHECK_HEADER(termios.h,
1579   AC_DEFINE([HAVE_TERMIOS], [1], [Description here!])
1580   AC_DEFINE([SIGNALS_VIA_CHARACTERS], [1], [Description here!])
1581   AC_DEFINE([NO_TERMIO], [1], [Description here!]),
1582   [AC_CHECK_HEADER(termio.h, [AC_DEFINE([HAVE_TERMIO], [1], [Description here!])])])
1583
1584
1585 dnl Check for directory variants
1586 AC_CHECK_HEADER(dirent.h, [AC_DEFINE([SYSV_SYSTEM_DIR], [1], [Description here!])],
1587   [AC_CHECK_HEADER(sys/dir.h, , [AC_DEFINE([NONSYSTEM_DIR_LIBRARY], [1], [Description here!])])])
1588
1589 dnl check for readdir64_r (the reentrant version of readdir64)
1590 AC_CHECK_FUNC(readdir64_r, [AC_DEFINE([HAVE_LARGEFILE], [1], [Description here!])])
1591
1592 dnl Check for nlist.h
1593 AC_CHECK_HEADER([nlist.h], [AC_DEFINE([NLIST_STRUCT], [1], [Description here!])], [])
1594
1595 dnl firstly check for pthread support so that we can use the 
1596 dnl asynchronous playing routines
1597
1598 dnl special pthread handling 
1599 dnl AIX uses pthreads instead of pthread, and HP/UX uses cma
1600 dnl FreeBSD uses -pthread
1601 AC_CHECK_LIB(pthread, pthread_create)
1602 if test "${ac_cv_lib_pthread_pthread_create}" = "yes"; then
1603         have_threads=yes
1604
1605         SXE_CHECK_COMPILER_FLAGS([-pthreads])
1606         SXE_CHECK_COMPILER_FLAGS([-pthread])
1607         if test "${sxe_cv_c_flags__pthreads}" = "yes"; then
1608                 SXE_PREPEND_UNDUP([-pthreads], [c_switch_site])
1609         fi
1610         if test "${sxe_cv_c_flags__pthread}" = "yes"; then
1611                 SXE_PREPEND_UNDUP([-pthread], [c_switch_site])
1612         fi
1613         SXE_PREPEND([-lpthread], [MM_LIBS])
1614 fi
1615
1616 dnl test for AIX pthreads
1617 AC_CHECK_LIB(pthreads, pthread_create)
1618 if test $ac_cv_lib_pthreads_pthread_create = yes; then
1619   have_threads=yes
1620   SXE_PREPEND(-lpthreads, MM_LIBS)
1621 fi
1622
1623 dnl test for HPUX cma threads. 
1624 AC_CHECK_LIB(cma, pthread_create)
1625 if test $ac_cv_lib_cma_pthread_create = yes; then
1626   have_threads=yes
1627   SXE_PREPEND(-lcma, MM_LIBS)
1628 fi
1629
1630 dnl FreeBSD -pthread check
1631 AC_DEFUN([AC_PTHREAD_FREEBSD],
1632 [AC_MSG_CHECKING([if we need -pthread for threads])
1633 AC_CACHE_VAL(ac_cv_ldflag_pthread,
1634         [ac_save_ld_switch_site="$ld_switch_site"
1635         ld_switch_site="-pthread $ld_switch_site"
1636         AC_LINK_IFELSE([AC_LANG_PROGRAM([[char pthread_create();]],
1637         [[char pthread_create();]])],
1638         eval "ac_cv_ldflag_pthread=yes",
1639         eval "ac_cv_ldflag_pthread=no"),
1640         ld_switch_site="$ac_save_ld_switch_site"
1641 ])
1642 if eval "test \"`echo $ac_cv_ldflag_pthread`\" = yes"; then
1643         AC_MSG_RESULT(yes)
1644         have_threads=yes
1645         SXE_PREPEND_UNDUP("-pthread", ld_switch_site)
1646         SXE_PREPEND_UNDUP("-D_THREAD_SAFE", c_switch_site)
1647 else
1648         AC_MSG_RESULT(no)
1649 fi])
1650
1651 dnl If all other thread tests fail, try BSD's -pthread
1652 if test "$have_threads" != yes; then
1653   AC_PTHREAD_FREEBSD
1654 fi
1655
1656 if test "$have_threads" = yes; then
1657   AC_DEFINE([HAVE_THREADS], [1], [Description here!])
1658 fi
1659
1660
1661 ## Internal Options
1662 ## ================
1663
1664 echo
1665 echo "Internal Options"
1666 echo "================"
1667
1668 SXE_CHECK_LIBTOOL
1669 SXE_CHECK_LIBLTDL
1670
1671 dnl ----------------------------------------------------------------
1672 dnl Check for POSIX functions.
1673 dnl ----------------------------------------------------------------
1674
1675 SXE_CHECK_BASIC_FUNS
1676 AC_CHECK_FUNCS([alarm cbrt closedir dup2 eaccess endpwent floor fmod fpathconf frexp fsync ftime ftruncate getaddrinfo getcwd gethostbyname gethostname getnameinfo getpagesize getrlimit gettimeofday getwd isascii link logb lrand48 matherr memchr memmove memset mkdir mktime munmap perror poll pow putenv random re_comp readlink regcomp rename res_init rint rmdir select setitimer setlocale setpgid setsid sigblock sighold sigprocmask snprintf socket sqrt stpcpy strcasecmp strchr strdup strerror strlwr strrchr strspn strtol strupr symlink tzset ulimit umask uname usleep utime vlimit vsnprintf waitpid wcscmp wcslen])
1677
1678
1679 ## combines all these time structures and funs
1680 SXE_CHECK_METRONOME
1681 SXE_CHECK_SUFFICIENCY([metronome], [metronome])
1682
1683 ## check for a sane dirname/realpath
1684 SXE_CHECK_DIRNAME
1685 SXE_CHECK_REALPATH
1686
1687 dnl -----------------------------------
1688 dnl Do some misc autoconf-special tests
1689 dnl -----------------------------------
1690
1691 dnl Do the opsystem or machine files prohibit the use of the GNU malloc?
1692 dnl Assume not, until told otherwise.
1693 GNU_MALLOC=yes
1694 if test "$with_dlmalloc" != "no"; then
1695         doug_lea_malloc=yes
1696 else
1697         doug_lea_malloc=no
1698 fi
1699 after_morecore_hook_exists=yes
1700 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1701 AC_MSG_CHECKING(whether __after_morecore_hook exists)
1702 AC_LINK_IFELSE([AC_LANG_SOURCE([[extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0]])],
1703   [AC_MSG_RESULT(yes)],
1704   [AC_MSG_RESULT(no)
1705    after_morecore_hook_exists=no])
1706 if test "$system_malloc" = "yes" ; then
1707   GNU_MALLOC=no
1708   GNU_MALLOC_reason="
1709     - The GNU allocators don't work with this system configuration."
1710 elif test "$with_system_malloc" = "yes" ; then
1711   GNU_MALLOC=no
1712   GNU_MALLOC_reason="
1713     - User chose not to use GNU allocators."
1714 elif test "$with_debug_malloc" = "yes" ; then
1715   GNU_MALLOC=no
1716   GNU_MALLOC_reason="
1717     - User chose to use Debugging Malloc."
1718 fi
1719
1720 if test "$doug_lea_malloc" = "yes" -a "$GNU_MALLOC" = "yes" ; then
1721         GNU_MALLOC_reason="
1722     - Using Doug Lea's new malloc from the GNU C Library."
1723         AC_DEFINE([DOUG_LEA_MALLOC], [1], [Description here!])
1724         if test "$after_morecore_hook_exists" = "no" ; then
1725                 GNU_MALLOC_reason="
1726     - Using Doug Lea's new malloc from the Linux C Library."
1727         AC_DEFINE([_NO_MALLOC_WARNING_], [1], [Description here!])
1728         fi
1729 fi
1730 AM_CONDITIONAL([USE_MEMALLOC], [test -n "${libmemalloc_objs}"])
1731
1732 dnl #### mcheck is broken in all versions of Linux libc and glibc.
1733 dnl Try this again when 2.1 hits the streets.
1734 dnl Avoid using free-hook.c if support exists for malloc debugging in libc
1735 have_libmcheck=no
1736 if test "$with_error_checking_malloc" = "yes" -a \
1737    "$have_glibc" = "yes" -a \
1738    "$doug_lea_malloc" = "yes"; then
1739         AC_CHECK_HEADERS(mcheck.h)
1740         AC_CHECK_LIB(mcheck, mcheck, [have_libmcheck=yes], [have_libmcheck=no])
1741 fi
1742
1743 if test "$with_module_support" != "no"; then
1744         AS_MESSAGE([checking for module support])
1745         if test "$sxe_cv_feat_libltdl" = "yes"; then
1746                 have_module_support="yes"
1747                 with_module_support="yes"
1748                 SXE_ADD_CRUFT_OBJS([emodules-ng.o])
1749                 AC_DEFINE([HAVE_EMODULES], [1], [Whether emods would be available])
1750                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1751         else
1752                 have_module_support="no"
1753                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1754         fi
1755 fi
1756
1757 AM_CONDITIONAL([DESCEND_MODULES],
1758         [test "$with_module_support $have_module_support" = "yes yes"])
1759 if test "$with_module_support $have_module_support" = "yes"; then
1760         SXE_APPEND([src], [MAKE_SUBDIR])
1761         SXE_APPEND([src], [INSTALL_ARCH_DEP_SUBDIR])
1762         SXE_APPEND([modules], [MAKE_AM_SUBDIR])
1763         SXE_APPEND([modules], [SRC_SUBDIR_DEPS])
1764 dnl else
1765 dnl     MOD_CC="$SXEMACS_CC"
1766 dnl     MODCFLAGS="\$(SXE_CFLAGS) -I../../src -I\$(sxe_srcdir)/../../src"
1767 dnl     INSTALLPATH=""
1768 dnl     MOD_INSTALL_PROGRAM="true"
1769 dnl     OBJECT_TO_BUILD="\$(MODNAME).o"
1770 fi
1771
1772 if test "$opsys" != "darwin"; then
1773
1774         if test "$with_modules_ase" = "yes"; then
1775                 have_modules_ase=yes
1776         fi
1777         if test "$with_static_modules_ase" = "yes"; then
1778                 have_static_modules_ase=yes
1779         fi
1780 fi
1781 SXE_EMOD_STATMOD([ase])
1782 if test "$opsys" != "darwin"; then
1783         have_ase_cart="yes"
1784         have_ase_dig="yes"
1785         have_ase_intv="yes"
1786         have_ase_metric="yes"
1787         have_ase_nbhood="yes"
1788         have_ase_perm="yes"
1789         have_ase_resclass="yes"
1790 fi
1791 if test "$have_bison" = "yes"; then
1792         if test "$with_modules_cl" = "yes" ; then
1793                 have_modules_cl="yes"
1794         fi
1795         if test "$with_static_modules_cl" = "yes"; then
1796                 have_static_modules_cl="yes"
1797         fi
1798 else
1799         if test "$with_modules_cl" = "yes" -o "$with_static_modules_cl" = "yes"; then
1800                 AC_MSG_WARN([Sorry no bison means no cl module for you.])
1801         fi
1802 fi
1803 SXE_EMOD_STATMOD([cl])
1804
1805 AM_CONDITIONAL([AUTARKIC], [test "0" = "1"])
1806 MODARCHDIR=
1807 MAKE_DOCFILE="$sxe_blddir/lib-src/make-docfile"
1808 ELLMAKEDOC=$MAKE_DOCFILE
1809 ELLCC=$MOD_CC
1810 AC_SUBST(ELLCC)
1811 AC_SUBST(ELLMAKEDOC)
1812 AC_SUBST(with_modules, $with_modules)
1813 AC_SUBST(MOD_CC)
1814 AC_SUBST(MODARCHDIR)
1815 AC_SUBST(MAKE_DOCFILE)
1816 AC_SUBST(MODCFLAGS)
1817 AC_SUBST(INSTALLPATH)
1818 AC_SUBST(MOD_INSTALL_PROGRAM)
1819 AC_SUBST(OBJECT_TO_BUILD)
1820 SXE_SUBST_STATMOD_A
1821
1822 ## FFI support
1823 SXE_CHECK_FFI
1824 SXE_CHECK_SUFFICIENCY([ffi], [FFI support], [
1825         ## additional actions
1826         AC_DEFINE([HAVE_LIBFFI], [1], [Description here!])
1827         HAVE_LIBFFI=yes
1828         FFI_LIBS="-lffi"
1829         SXE_ADD_CRUFT_OBJS([effi.o])
1830 ])
1831
1832 ## ENT support
1833 SXE_CHECK_ENT
1834
1835 ## check for pseudo gaussian numbers
1836 AC_MSG_CHECKING([for pseug (gaussian numbers)])
1837 if test "$sxe_cv_feat_gmp" = "yes"; then
1838         ## the good case
1839         AC_DEFINE([HAVE_PSEUG], [1], [Whether we COULD do gaussian numbers!])
1840         sxe_cv_feat_pseug="yes"
1841 else
1842         sxe_cv_feat_pseug="no"
1843 fi
1844 AC_MSG_RESULT([$sxe_cv_feat_pseug])
1845
1846 ## check for pseudo complex numbers
1847 AC_MSG_CHECKING([for pseuc (pseudo complex numbers)])
1848 if test "$sxe_cv_feat_mpfr" = "yes"; then
1849         ## the good case
1850         AC_DEFINE([HAVE_PSEUC], [1], [Whether we COULD do complex numbers!])
1851         sxe_cv_feat_pseuc="yes"
1852 else
1853         sxe_cv_feat_pseuc="no"
1854 fi
1855 AC_MSG_RESULT([$sxe_cv_feat_pseuc])
1856
1857 ## check for pseudo quaternions
1858 AC_MSG_CHECKING([for quatern (quaternion numbers)])
1859 if test "$sxe_cv_feat_gmp" = "yes"; then
1860         ## the good case
1861         AC_DEFINE([HAVE_QUATERN], [1], [Whether we COULD do quaternions!])
1862         sxe_cv_feat_quatern="yes"
1863 else
1864         sxe_cv_feat_quatern="no"
1865 fi
1866 AC_MSG_RESULT([$sxe_cv_feat_quatern])
1867
1868
1869 ## go through what the PH^Wuser has specified
1870 ## it's a wee bit more complex, so let's go for it
1871 ## we use a dijkstra-if
1872 ent_dijkstra="$with_ent_gmp $sxe_cv_feat_gmp"
1873 if test "$ent_dijkstra" = "yes yes"; then
1874         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1875         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1876         SXE_ADD_ENT_OBJS([ent-gmp.o])
1877         have_ent_gmp="yes"
1878 elif test "$ent_dijkstra" = "yes no"; then
1879         ## pity, we wanted GMP but we dont have it
1880         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1881         have_ent_gmp="no"
1882 elif test "$ent_dijkstra" = "no yes"; then
1883         ## we didn't want GMP but we have it
1884         ## do nothing in that case
1885         have_ent_gmp="no"
1886 elif test "$ent_dijkstra" = "no no"; then
1887         ## great, we didnt opt for GMP and we're lucky, it's not there either
1888         have_ent_gmp="no"
1889 fi
1890
1891 ## evaluate mpfr results
1892 ent_dijkstra="$with_ent_mpfr $sxe_cv_feat_mpfr"
1893 if test "$ent_dijkstra" = "yes yes"; then
1894         ## the good case
1895         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1896         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1897         SXE_ADD_ENT_OBJS([ent-mpfr.o])
1898         have_ent_mpfr="yes"
1899 elif test "$ent_dijkstra" = "yes no"; then
1900         ## we want but can't have
1901         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1902         have_ent_mpfr="no"
1903 elif test "$ent_dijkstra" = "no yes"; then
1904         have_ent_mpfr="no"
1905 elif test "$ent_dijkstra" = "no no"; then
1906         have_ent_mpfr="no"
1907 fi
1908
1909
1910 ## whether to enable gaussian numbers
1911 ent_dijkstra="$with_ent_pseug $sxe_cv_feat_pseug"
1912 if test "$ent_dijkstra" = "yes yes"; then
1913         ## perfick
1914         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1915         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1916         SXE_ADD_ENT_OBJS([ent-gaussian.o])
1917         have_ent_pseug="yes"
1918 elif test "$ent_dijkstra" = "yes no"; then
1919         ## grrrr
1920         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1921         have_ent_pseug="no"
1922 elif test "$ent_dijkstra" = "no yes"; then
1923         have_ent_pseug="no"
1924 elif test "$ent_dijkstra" = "no no"; then
1925         have_ent_pseug="no"
1926 fi
1927
1928 ## whether to enable emulated complex numbers
1929 ent_dijkstra="$with_ent_pseuc $sxe_cv_feat_pseuc $with_ent_mpc $sxe_cv_feat_mpc"
1930 if test "$ent_dijkstra" = "yes yes yes yes"; then
1931         ## skip pseuc usage
1932         have_ent_pseuc="veto"
1933         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1934         AS_MESSAGE([ENT: Built-in support for complex numbers available, dnl
1935 but omitted in favour of MPC.])
1936         omit_ent_pseuc_in_favour_of="mpc"
1937         ## set up to use plain mpc
1938         AC_DEFINE([WITH_MPC], [1], [Description here!])
1939         SXE_PREPEND([$MPC_LIBS], [ENT_LIBS])
1940         SXE_ADD_ENT_OBJS([ent-mpc.o])
1941         have_ent_mpc="yes"
1942 elif test "$ent_dijkstra" = "yes yes yes no"; then
1943         ## user planned to use mpc, hasnt got it though
1944         ## now he's cursed with pseudo complex numbers :)
1945         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1946         have_ent_pseuc="yes"
1947         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1948         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1949         ## we want mpc but can't have, set up that
1950         AC_DEFINE([WITH_MPC], [1], [Description here!])
1951         have_ent_mpc="no"
1952 elif test "$ent_dijkstra" = "yes yes no yes"; then
1953         ## user coulda used mpc but disabled it for whatever reasons ... Wait!
1954         ## Horst, is that you?!
1955         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1956         AS_MESSAGE([ENT: dnl
1957 MPC support for complex numbers IS possible, however YOU think you want dnl
1958 the built-in emulated stuff?  Seriously?  Good, so be it!])
1959         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1960         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1961         have_ent_pseuc="yes"
1962         omit_ent_mpc_in_favour_of="pseuc"
1963         ## however brag that we have mpc
1964         have_ent_mpc="yes"
1965 elif test "$ent_dijkstra" = "yes yes no no"; then
1966         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1967         have_ent_pseuc="yes"
1968         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1969         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1970         have_ent_mpc="no"
1971 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "yes no"; then
1972         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1973         have_ent_pseuc="no"
1974 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no yes"; then
1975         have_ent_pseuc="no"
1976 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no no"; then
1977         have_ent_pseuc="no"
1978 fi
1979
1980 ## whether to enable gaussian numbers
1981 ent_dijkstra="$with_ent_quatern $sxe_cv_feat_quatern"
1982 if test "$ent_dijkstra" = "yes yes"; then
1983         ## perfick
1984         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
1985         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1986         SXE_ADD_ENT_OBJS([ent-quatern.o])
1987         have_ent_quatern="yes"
1988 elif test "$ent_dijkstra" = "yes no"; then
1989         ## grrrr
1990         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
1991         have_ent_quatern="no"
1992 elif test "$ent_dijkstra" = "no yes"; then
1993         have_ent_quatern="no"
1994 elif test "$ent_dijkstra" = "no no"; then
1995         have_ent_quatern="no"
1996 fi
1997
1998 ## elliptic curve support
1999 ent_dijkstra="$with_ent_ecm $sxe_cv_feat_ecm"
2000 if test "$ent_dijkstra" = "yes yes"; then
2001         ## perfick case
2002         AC_DEFINE([WITH_ECM], [1], [Description here!])
2003         SXE_PREPEND([$ECM_LIBS], [ENT_LIBS])
2004         SXE_ADD_ENT_OBJS([ent-ecm.o])
2005         have_ent_ecm="yes"
2006 elif test "$ent_dijkstra" = "no yes"; then
2007         have_ent_ecm="no"
2008 elif test "$ent_dijkstra" = "yes no"; then
2009         AC_DEFINE([WITH_ECM], [1], [Description here!])
2010         have_ent_ecm="no"
2011 elif test "$ent_dijkstra" = "no no"; then
2012         have_ent_ecm="no"
2013 fi
2014
2015
2016 ## Floating operation support is now unconditional
2017 SXE_CHECK_MATHS_VALUES
2018 if test "$ac_cv_sizeof_long_double" != 0; then
2019         ##AC_DEFINE_UNQUOTED([fpfloat], [long double], [Description here!])
2020         ##AC_DEFINE([fpfloat_long_double_p], [1], [Description here!])
2021         fpfloat="long double"
2022         fpfloat_long_double_p=1
2023         have_fpfloat=yes
2024 elif test "$ac_cv_sizeof_double" != 0; then
2025         ##AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2026         ##AC_DEFINE([fpfloat_double_p], [1], [Description here!])
2027         fpfloat="double"
2028         fpfloat_double_p=1
2029         have_fpfloat=yes
2030 else
2031         AS_MESSAGE([Uh oh, no float type is bad news.])
2032         have_fpfloat=no
2033 fi
2034
2035 AC_MSG_CHECKING([if need to add -lm])
2036 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2037 #include <math.h>
2038 ]],[[
2039 return sin(0.0);
2040 ]])], [AC_MSG_RESULT([no])], [
2041         AC_MSG_RESULT([maybe])
2042         save_LIBS=$LIBS
2043         SXE_APPEND([-lm], [LIBS])
2044         AC_MSG_CHECKING([if can add -lm])
2045         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2046 #include <math.h>
2047 ]],[[
2048 return sin(0.0);
2049 ]])], [AC_MSG_RESULT([yes])], [
2050         AC_MSG_RESULT([no])
2051         AC_MSG_WARN([No way to use math functions found. Reverting option append.])
2052         LIBS=$save_LIBS])])
2053
2054
2055
2056 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2057 #include <math.h>
2058 ]],[[
2059 return atanh(1.0) + asinh(1.0) + acosh(1.0);
2060 ]])], [AC_DEFINE([HAVE_INVERSE_HYPERBOLIC], [1], [Description here!])])
2061
2062 if test "$have_fpfloat" = "yes"; then
2063         AC_DEFINE([HAVE_FPFLOAT], [1], [Description here!])
2064
2065         SXE_CHECK_CLEAN_FLOATOPS(
2066                 [have_clean_floatops="yes"], [have_clean_floatops="no"])
2067
2068         ## it would seem odd to define the destiny of our float arithmetic here
2069         if test "$have_clean_floatops" = "yes"; then
2070                 AC_DEFINE_UNQUOTED([fpfloat], [$fpfloat], [Description here!])
2071                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2072                         [${fpfloat_long_double_p:-0}], [Description here!])
2073                 AC_DEFINE_UNQUOTED([fpfloat_double_p],
2074                         [${fpfloat_double_p:-0}], [Description here!])
2075         else
2076                 AS_MESSAGE([downgrading to `double' floats])
2077                 AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2078                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2079                         [0], [Description here!])
2080                 AC_DEFINE([fpfloat_double_p],
2081                         [1], [Description here!])
2082         fi
2083 fi
2084
2085 ## trivial checks, you cannot (yet) turn off internal arithmetic entirely
2086 ## so we always `have' it
2087 dnl with_ent_int=yes
2088 have_ent_int=yes
2089 dnl with_ent_indef=yes
2090 have_ent_indef=yes
2091 dnl with_ent_fpfloat=yes
2092 have_ent_fpfloat=yes
2093 dnl we attempt to always use ent.o
2094 AC_DEFINE([WITH_NUMBER_TYPES], [1], [Description here!])
2095 SXE_SUBST_ENT_OBJS
2096
2097 dnl experimental code support
2098 if test "$with_compre" != "no"; then
2099         AC_MSG_CHECKING([if compre prerequisites are met])
2100         AC_MSG_RESULT([yes])
2101         AC_DEFINE([EF_USE_COMPRE], [1],
2102                 [Whether to provide compiled regular expression!])
2103         have_compre=yes
2104 fi
2105 if test "$with_experimental_features_pom" = "yes"; then
2106         AC_MSG_CHECKING([if pom prerequisites are met])
2107         if test "$have_threads" = "yes"; then
2108                 AC_MSG_RESULT([yes])
2109                 AC_DEFINE([EF_USE_POM], [1],
2110                         [Whether to protect all lisp objects with mutexes!])
2111                 have_experimental_features_pom=yes
2112         else
2113                 AC_MSG_RESULT([no])
2114         fi
2115 fi
2116 if test "$with_experimental_features_asyneq" = "yes"; then
2117         AC_MSG_CHECKING([if asyneq prerequisites are met])
2118         if test "$have_threads" = "yes"; then
2119                 AC_MSG_RESULT([yes])
2120                 AC_DEFINE([EF_USE_ASYNEQ], [1],
2121                         [Whether to setup asynchronous event queues!])
2122                 have_experimental_features_asyneq=yes
2123                 SXE_ADD_EVENTS_OBJS([event-queue.o workers.o worker-asyneq.o])
2124         else
2125                 AC_MSG_RESULT([no])
2126         fi
2127 fi
2128 SXE_SUBST_EVENTS_OBJS
2129
2130 SXE_CHECK_EVENTS
2131 SXE_CHECK_SUFFICIENCY([events], [event system])
2132
2133 ## check asm helpers
2134 SXE_CHECK_ASM_HELPERS
2135
2136 ## compression titbits
2137 SXE_CHECK_ZLIB
2138 SXE_CHECK_BZLIB
2139 SXE_CHECK_LZMA
2140
2141
2142 ## Cryptography Options
2143 ## ====================
2144 echo
2145 echo "Cryptography Options"
2146 echo "===================="
2147
2148 ## in case someone else (ldap, pgsql, etc.) needs it
2149 SXE_CHECK_OPENSSL
2150 SXE_CHECK_SUFFICIENCY([openssl], [OpenSSL support])
2151
2152 dnl OpenSSL
2153 if test "$with_openssl" != "no" -a "$have_openssl" = "yes"; then
2154         SXE_ADD_CRUFT_OBJS([openssl.o])
2155 elif test "$with_openssl" != "no"; then
2156         AC_MSG_WARN([Required OpenSSL support cannot be provided.])
2157         AC_MSG_WARN([Check --with-site-prefixes.])
2158 fi
2159 if test "$have_openssl" = "no" -o "$with_openssl" = "no"; then
2160         OPENSSL_CPPFLAGS=""
2161         OPENSSL_LDFLAGS=""
2162         OPENSSL_LIBS=""
2163 fi
2164 AC_SUBST([OPENSSL_CPPFLAGS])
2165 AC_SUBST([OPENSSL_LDFLAGS])
2166 AC_SUBST([OPENSSL_LIBS])
2167
2168 SXE_CHECK_KERBEROS
2169 SXE_CHECK_KERBEROS5
2170 if test "$with_kerberos" = "yes"; then
2171         AC_DEFINE([WITH_KERBEROS], [1], [Whether kerberos support was requested])
2172         if test "$sxe_cv_feat_kerberos" = "yes"; then
2173                 SXE_PREPEND([$KERBEROS_LIBS], [ld_libs_general])
2174         fi
2175 fi
2176
2177
2178 ## Networking Options
2179 ## ==================
2180 echo
2181 echo "Networking Options"
2182 echo "=================="
2183
2184 SXE_CHECK_SOCKETS
2185 SXE_CHECK_SUFFICIENCY([unix], [unix domain sockets])
2186 SXE_CHECK_SUFFICIENCY([sysvipc], [SysV IPC message])
2187 SXE_CHECK_SUFFICIENCY([sockets], [tcp/udp sockets])
2188 SXE_CHECK_SUFFICIENCY([tcpudp], [tcp/udp sockets])
2189 SXE_CHECK_SUFFICIENCY([multicast], [multicast])
2190
2191 dnl Decnet
2192 if test "$with_dnet" = "yes"; then
2193   AC_CHECK_LIB(dnet, main, 
2194     [AC_DEFINE([HAVE_LIBDNET], [1], [Description here!])],
2195     [SXE_DIE("DECnet requested but can't find libdnet")])
2196 fi
2197
2198 dnl Socks support
2199 if test "$with_socks" = "yes"; then
2200   AC_CHECK_LIB(socks, SOCKSinit)
2201   test -n "$ac_cv_lib_socks_SOCKSinit" && AC_DEFINE([HAVE_SOCKS], [1], [Description here!])
2202 fi
2203
2204
2205 ## Window System Features
2206 ## ======================
2207 echo
2208 echo "Window System Features"
2209 echo "======================"
2210
2211 dnl ----------------------
2212 dnl Choose a window system
2213 dnl ----------------------
2214
2215 AS_MESSAGE([checking for specified window system])
2216
2217 if test "$with_x" != "no"; then
2218         if test "$with_x11" != "no"; then
2219                 dnl User-specified --x-includes or --x-libraries implies --with-x11.
2220                 test "$x_includes $x_libraries" != "NONE NONE" && \
2221                         window_system=x11
2222                         with_x11=yes
2223         fi
2224
2225         dnl Autodetection of X11 libraries and includes
2226         dnl -------------------------------------------
2227         dnl AC_PATH_XTRA thinks it can find our X headers and includes, but
2228         dnl it often gets it wrong, so we only use it as a last resort.
2229         
2230         dnl $OPENWINHOME implies --x-includes and --x-libraries
2231         dnl Not (yet) handled by autoconf2
2232         if test "$x_includes $x_libraries" = "NONE NONE" \
2233                 -a -n "$OPENWINHOME" \
2234                 -a "$OPENWINHOME" != "/usr/openwin" \
2235                 -a -d "$OPENWINHOME"; then
2236                 test -d "$OPENWINHOME/lib"           && \
2237                         x_libraries="$OPENWINHOME/lib"
2238                 test -d "$OPENWINHOME/include"       && \
2239                         x_includes="$OPENWINHOME/include"
2240                 test -d "$OPENWINHOME/share/include" && \
2241                         x_includes="$OPENWINHOME/share/include"
2242         fi
2243
2244         if test -z "$x_includes" -o \
2245            "$x_includes" = "NONE" -o \
2246            ! -d "$x_includes"; then
2247                 dnl AC_PATH_XTRA often guesses /usr/include, when some other
2248                 dnl include directory is a MUCH better guess (Linux, HP-UX 10.20).
2249                 dnl This is a workaround for idiot (esp. HP) system vendors, who
2250                 dnl provide a /usr/include/X11, but DON'T FULLY POPULATE IT.
2251                 for dir in "/usr/X11" "/usr/X11R7" "/usr/X11R6" \
2252                         "/usr/local" "/usr"; do
2253                         if test -d "$dir/include/X11"; then
2254                                 x_includes="$dir/include"
2255                                 break
2256                         fi
2257                 done
2258         fi
2259
2260         if test -z "$x_libraries" -o \
2261            "$x_libraries" = "NONE" -o \
2262            ! -d "$x_libraries"; then
2263                 for dir in \
2264                         "/usr/X11/lib" \
2265                         "/usr/X11R7/lib" "/usr/lib/X11R7" \
2266                         "/usr/X11R6/lib" "/usr/lib/X11R6" \
2267                         "/usr/local/lib" "/usr/local/lib/X11" \
2268                         "/usr/lib" "/usr/lib/X11"; do
2269                         if test -r "$dir/libX11.a"; then
2270                                 x_libraries="$dir"
2271                                 break
2272                         fi
2273                 done
2274         fi
2275
2276         AC_PATH_XTRA
2277         if test "$with_x11" != "no"; then
2278                 if test "$no_x" = "yes"; then
2279                         with_x11=no
2280                         window_system=none
2281                         HAVE_X_WINDOWS=no
2282                 else
2283                         with_x11=yes
2284                         window_system=x11
2285                         HAVE_X_WINDOWS=yes
2286                 fi
2287         fi
2288 fi
2289
2290 dnl #### wmperry:: !x11 != NONE
2291 dnl case "$with_x11" in
2292 dnl  yes ) window_system=x11  HAVE_X_WINDOWS=yes ;;
2293 dnl  no  ) window_system=none HAVE_X_WINDOWS=no  ;;
2294 dnl esac
2295
2296 AM_CONDITIONAL([DESCEND_LWLIB], [test "$with_x11" = "yes"])
2297 if test "$with_x11" = "yes"; then
2298         AC_DEFINE([HAVE_X_WINDOWS], [1], [Description here!])
2299         AC_DEFINE([NeedFunctionPrototypes], [1], [Description here!])
2300         AC_DEFINE([FUNCPROTO], [15], [Whatever this is.])
2301         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2302         SXE_APPEND([lwlib], [MAKE_SUBDIR])
2303         SXE_APPEND([lwlib], [SRC_SUBDIR_DEPS])
2304
2305         SXE_ADD_SXEUIX11_OBJS([console-x.o device-x.o event-Xt.o frame-x.o])
2306         SXE_ADD_SXEUIX11_OBJS([glyphs-x.o objects-x.o redisplay-x.o select-x.o])
2307         SXE_ADD_SXEUIX11_OBJS([xgccache.o])
2308
2309         SXE_DUMP_LIBS
2310         ## some debian systems are trying to fool us ... now fool them back!
2311         if test -d "$x_includes"; then
2312                 CPPFLAGS="$CPPFLAGS -I$x_includes"
2313         fi
2314         if test -d "$x_libraries"; then
2315                 LDFLAGS="$LDFLAGS -L$x_libraries"
2316         fi
2317
2318         dnl Look for Motif, but only if not found in $x_includes and $x_libraries
2319         AC_CHECK_HEADERS([Xm/Xm.h])
2320         if test "$ac_cv_header_Xm_Xm_h" = "yes"; then
2321                 AC_CHECK_LIB([Xm], [XmStringFree], [got_motif=yes])
2322         fi
2323         
2324         if test "$got_motif" != "yes"; then
2325                 dnl Try to find Motif dirs
2326                 dnl These take precedence over other X libs/includes, so PRE-pend
2327                 for lib_dir in \
2328                         "/usr/dt/lib" "/usr/lib/Motif2.1" \
2329                         "/usr/lib/Motif1.2" "/usr/lib/Motif1.1"; do
2330                         inc_dir=`echo $lib_dir | sed -e 's/lib/include/'`
2331                         if test -d "$lib_dir" -a -d "$inc_dir"; then
2332                                 case "$x_libraries" in
2333                                 *"$lib_dir"* )
2334                                         ;;
2335                                 *)
2336                                         x_libraries="$lib_dir $x_libraries"
2337                                         SXE_PREPEND(["-L${lib_dir}"], [X_LIBS])
2338                                         ;;
2339                                 esac
2340                                 case "$x_includes" in
2341                                 "$inc_dir"* )
2342                                         ;;
2343                                 *)
2344                                         x_includes="$inc_dir $x_includes"
2345                                         SXE_PREPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2346                                         ;;
2347                                 esac
2348                                 break; dnl only need ONE Motif implementation!
2349                         fi
2350                 done
2351         fi
2352
2353         dnl Contrib X libs/includes do NOT take precedence, so AP-pend
2354         for rel in "X11R7" "X11R6" "X11R5" "X11R4"; do
2355                 lib_dir="/usr/contrib/$rel/lib" inc_dir="/usr/contrib/$rel/include"
2356                 if test -d "$lib_dir" -a -d "$inc_dir"; then
2357                         case "$x_libraries" in
2358                         *"$lib_dir"* )
2359                                 ;;
2360                         *)
2361                                 x_libraries="$x_libraries $lib_dir"
2362                                 SXE_APPEND(["-L${lib_dir}"], [X_LIBS])
2363                                 ;;
2364                         esac
2365                         case "$x_includes" in
2366                         "$inc_dir"* )
2367                                 ;;
2368                         *)
2369                                 x_includes="$x_includes $inc_dir"
2370                                 SXE_APPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2371                                 ;;
2372                         esac
2373                         break; dnl Only need ONE X11 implementation !
2374                 fi
2375         done
2376
2377         dnl Avoid version mismatch for shared library libXm.so on osf4
2378         case "$opsys" in
2379         decosf*)
2380                 if test "$GCC" = yes -a -d "/usr/shlib"; then
2381                         SXE_APPEND([-L/usr/shlib], [X_LIBS]);
2382                 fi
2383                 ;;
2384         esac
2385         
2386         LDFLAGS="$LDFLAGS $X_LIBS"
2387         
2388         if test "$extra_verbose" = "yes"; then
2389                 echo
2390                 echo "X11 compilation variables:"
2391                 SXE_PRINT_VAR(x_libraries x_includes
2392                         X_CFLAGS X_LIBS X_PRE_LIBS X_EXTRA_LIBS)
2393                 echo
2394         fi
2395
2396         dnl Set up bitmaps search path.
2397         dnl The original suggestion was to unconditionally to append X11/bitmaps
2398         dnl to each element of $x_includes, I'm pretty sure this is the wrong
2399         dnl thing to do.  We test for bitmaps and X11/bitmaps directories on each
2400         dnl element and add them to BITMAPDIR if they exist.
2401         bitmapdirs=
2402         if test "$x_includes" != NONE; then
2403                 for i in $x_includes; do
2404                         if test -d "$i/bitmaps"; then
2405                                 bitmapdirs="$i/bitmaps:$bitmapdirs"
2406                         fi
2407                         if test -d "$i/X11/bitmaps"; then
2408                                 bitmapdirs="$i/X11/bitmaps:$bitmapdirs"
2409                         fi
2410                 done
2411                 bitmapdirs=`echo "$bitmapdirs" | sed s/.$//`
2412         fi
2413         if test ! -z "$bitmapdirs"; then
2414                 AC_DEFINE_UNQUOTED([BITMAPDIR], ["$bitmapdirs"], [Description here!])
2415         fi
2416
2417 dnl   dnl Autodetect defines extracted from X config by xmkmf, e.g. NARROWPROTO
2418 dnl   AS_MESSAGE(checking for X defines extracted by xmkmf)
2419 dnl   rm -fr conftestdir
2420 dnl   if mkdir conftestdir; then
2421 dnl     cd conftestdir
2422 dnl     cat > Imakefile <<'EOF'
2423 dnl xetest:
2424 dnl     @echo ${PROTO_DEFINES} ${STD_DEFINES}
2425 dnl EOF
2426 dnl     if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
2427 dnl       # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
2428 dnl       xmkmf_defines=`${MAKE-make} xetest 2>/dev/null | grep -v make`
2429 dnl     fi
2430 dnl     cd ..
2431 dnl     rm -fr conftestdir
2432 dnl     for word in $xmkmf_defines; do
2433 dnl       case "$word" in
2434 dnl       -D__STDC__*) ;;
2435 dnl       -D* )
2436 dnl     sym=`echo '' $word | sed -e 's:^ *-D::' -e 's:=.*::'`
2437 dnl     case "$word" in
2438 dnl       -D*=* ) val=`echo '' $word | sed -e 's:^.*=::'` ;;
2439 dnl       *     ) val=1 ;;
2440 dnl     esac
2441 dnl dnl Avoid re-AC_DEFINE-ing xmkmf symbols we've already defined above.
2442 dnl     if grep "^#define $sym " confdefs.h >/dev/null; then :; else
2443 dnl       if test "$val" = "1"
2444 dnl         then AC_DEFINE_UNQUOTED([$sym], [], [Description here!])
2445 dnl         else AC_DEFINE_UNQUOTED([$sym], [$val], [Description here!])
2446 dnl       fi
2447 dnl     fi  ;;
2448 dnl       esac
2449 dnl     done
2450 dnl   fi
2451
2452         dnl make sure we can find Intrinsic.h
2453         AC_CHECK_HEADER([X11/Intrinsic.h], [],
2454                 [AC_MSG_ERROR([Unable to find X11 header files. Try using --x-includes=<path> if you know the path, or --with-x=no to disable X11 support.])])
2455
2456         dnl Check some more headers
2457         AC_CHECK_HEADERS([X11/Intrinsic.h X11/StringDefs.h X11/Shell.h X11/ShellP.h],
2458                 [],[],
2459                 [[#if HAVE_X11_INTRINSIC_H
2460                   # include <X11/Intrinsic.h>
2461                   # include <X11/IntrinsicP.h>
2462                   # include <X11/CoreP.h>
2463                   #endif]])
2464
2465         dnl -lXt and -lX11 are required
2466         dnl Some broken systems require the magic "-b i486-linuxaout" flag
2467         
2468         dnl Other broken systems will not pass these tests unless the pre and
2469         dnl extra libs are passed on...
2470         LIBS="$LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
2471         AC_CHECK_LIB(X11, XOpenDisplay, have_lib_x11=yes)
2472         if test "$have_lib_x11" != "yes"; then
2473                 AC_CHECK_LIB([X11], [XGetFontProperty],
2474                         [],
2475                         [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.])])
2476         fi
2477         SXE_PREPEND([-lX11], [libs_x])
2478         LIBS="$LIBS -lX11"
2479         if test "$extra_verbose" = "yes"; then
2480                 echo "    Setting libs_x to \"-lX11\""
2481         fi
2482         dnl Autodetect -lXext
2483         AC_CHECK_LIB([Xext], [XShapeSelectInput], [SXE_PREPEND([-lXext], [libs_x])])
2484
2485         dnl Require -lXt
2486         AC_CHECK_LIB([Xt], [XtOpenDisplay], [SXE_PREPEND([-lXt], [libs_x])], [
2487                 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.])])
2488         
2489         AC_MSG_CHECKING([the version of X11 being used])
2490         AC_RUN_IFELSE([AC_LANG_SOURCE([[
2491 #include <X11/Intrinsic.h>
2492 int main(int c, char *v[]) { return c>1 ? XlibSpecificationRelease : 0; }]])],
2493                 [./conftest foobar; x11_release=$?],[x11_release=4],[x11_release=4])
2494         AC_MSG_RESULT(R${x11_release})
2495         AC_DEFINE_UNQUOTED([X11_RELEASE], [${x11_release}], [Description here!])
2496         
2497         AC_CHECK_FUNCS([XConvertCase])
2498         AC_CHECK_LIB([Xt], [XtRegisterDrawable])
2499         if test "$ac_cv_lib_Xt_XtRegisterDrawable" = "yes"; then
2500                 AC_DEFINE([HAVE_XTREGISTERDRAWABLE], [1], [Description])
2501         fi
2502         
2503         AC_CHECK_HEADERS(X11/Xlocale.h)
2504         
2505         dnl XFree86 has a non-standard prototype for this X11R6 function
2506         AC_CHECK_FUNCS(XRegisterIMInstantiateCallback)
2507         AC_MSG_CHECKING(for standard XRegisterIMInstantiateCallback prototype)
2508         AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2509 #ifndef NeedFunctionPrototypes
2510 #define NeedFunctionPrototypes 1
2511 #endif
2512 #include <X11/Xlib.h>
2513 extern Bool XRegisterIMInstantiateCallback(
2514         Display*, struct _XrmHashBucketRec*, char*, char*, XIMProc, XPointer*);
2515 ]])],
2516         [AC_MSG_RESULT(yes)],
2517         [AC_MSG_RESULT(no)
2518                 AC_DEFINE([XREGISTERIMINSTANTIATECALLBACK_NONSTANDARD_PROTOTYPE],
2519                         [], [Description here!])])
2520
2521         dnl autodetect -lXmu
2522         AC_CHECK_LIB([Xmu], [XmuReadBitmapDataFromFile],
2523                 [with_xmu=yes], [with_xmu=no])
2524         if test "$with_xmu" = "no"; then
2525                 SXE_ADD_SXEUIX11_OBJS([xmu.o])
2526         else
2527                 SXE_PREPEND([-lXmu], [libs_x])
2528                 AC_DEFINE([HAVE_XMU], [1], [Description here!])
2529         fi
2530         
2531         dnl Autodetect -lXbsd
2532         dnl #### Someone, please add a better function than main
2533         AC_CHECK_LIB([Xbsd], [main], SXE_PREPEND([-lXbsd], [libs_x]))
2534
2535         dnl restore old values
2536         SXE_RESTORE_LIBS
2537 fi dnl $with_x11 = yes
2538
2539 AC_SUBST([install_pp])
2540
2541 dnl test "$with_dragndrop" != "no" && with_dragndrop="$with_dragndrop_default"
2542 dnl test -z "$window_system" && window_system="none"
2543 with_dragndrop="no"
2544
2545 dnl Test for features that require a window system - ANY window system
2546 if test "$window_system" = "none"; then
2547   for feature in menubars scrollbars toolbars dialogs dragndrop xface
2548   do
2549     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2550        AC_MSG_WARN([--with-$feature ignored:  Not valid without window system support])
2551     fi
2552     eval "with_${feature}=no"
2553   done
2554 else
2555   test -z "with_toolbars" && with_toolbars=yes
2556 fi
2557
2558 dnl Test for features that require X11 support
2559 if test "$with_x11" != "yes"; then
2560   dnl It ought to be reasonable to have no output device at all, and only use
2561   dnl SXEmacs in --batch mode.
2562   dnl if test "$with_tty" = "no" ; then
2563   dnl   AC_MSG_ERROR([No window system support and no TTY support - Unable to proceed.])
2564   dnl fi
2565   for feature in offix wmcommand xim xmu nas_sound
2566   do
2567     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2568        AC_MSG_WARN([--with-$feature ignored:  Not valid without X support])
2569     fi
2570     eval "with_${feature}=no"
2571   done
2572 fi
2573
2574 dnl Balloon Help requires the Shape extension, not available everywhere,
2575 dnl for example not on AIX 4.3.
2576 if test "$with_x11" = "yes"; then
2577   AC_CHECK_HEADER(X11/extensions/shape.h, [
2578    AC_DEFINE([HAVE_BALLOON_HELP], [1], [Description here!])
2579    SXE_ADD_SXEUIX11_OBJS(balloon_help.o balloon-x.o)
2580    ])
2581 fi
2582
2583 dnl FSF 19.29 has some bitmapdir stuff here.
2584 bitmapdir=
2585
2586 case "$window_system" in
2587   x11  ) HAVE_X_WINDOWS=yes; echo "  Using X11." ;;
2588   none ) HAVE_X_WINDOWS=no ; echo "  Using no window system." ;;
2589 esac
2590
2591 if test -n "$window_system" -a "$window_system" != "none"; then
2592         AC_DEFINE_UNQUOTED([HAVE_WINDOW_SYSTEM], [1], [Description here!])
2593 fi
2594
2595 case "$x_libraries" in *X11R4* )
2596   test "$opsys" = "hpux9"     && opsysfile="s/hpux9-x11r4.h"
2597   test "$opsys" = "hpux9-shr" && opsysfile="s/hpux9shxr4.h"
2598 esac
2599
2600 dnl Enable or disable proper handling of WM_COMMAND
2601 AS_MESSAGE(checking for WM_COMMAND option);
2602 dnl if test "$with_wmcommand" = "yes"; then
2603 if test "$with_wmcommand" != "no"; then
2604   AC_DEFINE([HAVE_WMCOMMAND], [1], [Description here!])
2605 fi
2606
2607 dnl Autodetect Xauth
2608 dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
2609 test "$with_xauth" != "no" && test "$window_system" = "none" && with_xauth=no
2610 SXE_DUMP_LIBS
2611 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2612 LDFLAGS="$LDFLAGS $X_LIBS"
2613 AC_CHECK_HEADER([X11/Xauth.h], [:], [with_xauth=no])
2614 AC_CHECK_LIB([Xau], [XauGetAuthByAddr], [:], [with_xauth=no])
2615 if test "$with_xauth" = "yes"; then
2616   AC_DEFINE([HAVE_XAUTH], [1], [Description here!])
2617   SXE_CONSECUTIVE_UNDUP([libs_xauth], [$X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS])
2618 fi
2619 SXE_RESTORE_LIBS
2620 AC_SUBST(libs_xauth)
2621
2622 dnl ----------------------
2623 dnl X-Specific Graphics libraries
2624 dnl ----------------------
2625
2626 ## Oki, now that we really need a more exhaustive way to autodetect
2627 ## athena and other widgets we construct a chain.  The elements of
2628 ## that chain are simple atomic tests (provided by AC_DEFUNs).
2629 ## The chain is defined to be:
2630 ##
2631 ## neXtaw -> Xaw3d -> XawXpm -> Xaw95  ->  Xaw  ->  Motif  ->  Nirvana
2632 ## ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^      ^^^      ^^^^^
2633 ##         3d sets                       non-3d   non-athena
2634 ##
2635 ## Now if the user passes a --with-athena=foo option, we jump
2636 ## directly to the according test-suite and in case this fails we jump
2637 ## off the cliff.
2638 ##
2639 ## Attention:
2640 ## We shall perform every test-suite twice, once the correct way, and
2641 ## once with #include'ing the Xfuncproto header.
2642 ## Thanks to the many, many distributions which treat their users
2643 ## like braindead zombies!
2644 ## Especially, I would like to thank Fedora/RedHat for bringing
2645 ## this up. Go on guys, you rock!
2646
2647 ## and now the test chain
2648 if test "$with_x11" = "yes" -a "$with_x" != "no"; then
2649         SXE_CHECK_XTOOLKITS
2650         SXE_CHECK_XT_DEPENDENCIES
2651 else
2652         with_menubars=no
2653         with_scrollbars=no
2654         with_dialogs=no
2655         with_toolbars=no
2656         with_widgets=no
2657 fi
2658
2659 dnl Always compile OffiX unless --without-offix is given, no
2660 dnl X11 support is compiled in, no standard Xmu is available,
2661 dnl or dragndrop support is disabled
2662 dnl Because OffiX support currently loses when more than one display
2663 dnl is in use, we now disable it by default -slb 07/10/1998.
2664 test "$window_system" != "x11" && with_offix=no
2665 if test "$with_xmu" != yes -a "$with_x11" = yes; then
2666   if test "$with_offix" = "yes" ; then
2667     AC_MSG_WARN([--with-offix forced to `no'; no real Xmu support])
2668   fi
2669   with_offix=no
2670 fi
2671 if test "$with_dragndrop" = "no" ; then
2672   if test "$with_offix" = "yes" ; then
2673     AC_MSG_WARN([--with-offix forced to `no'; no generic Drag'n'Drop support])
2674   fi
2675   with_offix=no
2676 fi
2677 if test "$with_offix" = "yes"; then
2678   AC_DEFINE([HAVE_OFFIX_DND], [1], [Description here!])
2679   SXE_APPEND(offix.o, dnd_objs)
2680   SXE_APPEND(OffiX, dragndrop_proto)
2681 fi
2682
2683
2684 ## TTY Options
2685 ## ===========
2686 echo
2687 echo "TTY Options"
2688 echo "==========="
2689
2690
2691 dnl ---------------------
2692 dnl TTY-dependent options
2693 dnl ---------------------
2694
2695 dnl checks for header files
2696 AC_CHECK_HEADERS([libintl.h nlist.h sgtty.h termio.h termios.h])
2697
2698 if test "$with_tty" != "no"  ; then
2699         AS_MESSAGE(checking for TTY-related features)
2700         AC_DEFINE([HAVE_TTY], [1], [Description here!])
2701         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2702         SXE_ADD_SXEUITTY_OBJS([console-tty.o device-tty.o event-tty.o frame-tty.o objects-tty.o redisplay-tty.o cm.o])
2703
2704   dnl Autodetect ncurses.
2705   AC_CHECK_LIB(ncurses, tgetent, , with_ncurses=no)
2706   AC_CHECK_LIB(ncurses, tgetstr, , with_ncurses=no)
2707   AC_CHECK_LIB(ncurses, tparm, , with_ncurses=no)
2708   if test "$with_ncurses" != "no"; then
2709     AC_DEFINE([HAVE_NCURSES], [1], [Description here!])
2710     with_ncurses=yes
2711     AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2712     if test -z "$curses_h_file"; then
2713             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2714     fi
2715     if test -n "$curses_h_file"; then
2716             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2717             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2718     else
2719             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2720             AC_CHECK_HEADER(termcap.h, termcap_h_file=termcap.h)
2721             AC_CHECK_HEADER(term.h,    term_h_file=term.h)
2722     fi
2723     SXE_ADD_SXEUITTY_OBJS(terminfo.o)
2724     SXE_PREPEND(-lncurses, LIBS)
2725
2726     if test -z "$curses_h_file" ; then
2727       dnl Try again, and check for the bogus ncurses/ include bug.
2728       dnl (i.e. ncurses/curses.h bogusly includes <unctrl.h> instead of
2729       dnl <ncurses/unctrl.h>)
2730       save_c_switch_site="$c_switch_site"
2731       c_switch_site="$c_switch_site -I/usr/include/ncurses"
2732       AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2733       if test -z "$curses_h_file"; then
2734             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2735       fi
2736       if test -n "$curses_h_file"; then
2737             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2738             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2739       else
2740             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2741             AC_CHECK_HEADER(termcap.h, curses_h_file=termcap.h)
2742             AC_CHECK_HEADER(term.h,    curses_h_file=term.h)
2743       fi
2744       if test -n "$curses_h_file"
2745         then AC_MSG_WARN([Your system has the bogus ncurses include bug.])
2746         else c_switch_site="$save_c_switch_site"
2747       fi
2748     fi
2749   fi
2750   if test "$with_ncurses" = "no" -o -z "$curses_h_file" ; then
2751
2752     # Check alternate library includes
2753     for lib in curses term terminfo termcap; do
2754         AC_CHECK_HEADER(${lib}.h, [
2755                 eval ${lib}_h_file=${lib}.h
2756                 AC_CHECK_LIB($lib, tgetent, eval have_${lib}=yes, eval have_${lib}=no)
2757                 AC_CHECK_LIB($lib, tgetstr, , eval have_${lib}=no)])
2758     done
2759
2760     for lib in curses terminfo termlib termcap; do
2761           have_lib_eval=`eval echo \\$have_$lib`
2762           if test "$have_lib_eval" = "yes"; then
2763                 AC_CHECK_LIB($lib, tparm, 
2764                           SXE_ADD_SXEUITTY_OBJS(terminfo.o),
2765                           SXE_ADD_SXEUITTY_OBJS(tparam.o))
2766                 SXE_PREPEND(-l${lib}, LIBS)
2767                 break
2768           fi
2769     done
2770   fi
2771   if test -n "$curses_h_file"; then
2772         AC_DEFINE_UNQUOTED([HAVE_CURSES_H], [1], [There is a curses.h header file available])
2773   fi
2774   if test -n "$termcap_h_file"; then
2775         AC_DEFINE_UNQUOTED([HAVE_TERMCAP_H], [1], [There is a termcap.h header available])
2776   fi
2777   if test -n "$term_h_file"; then
2778         AC_DEFINE_UNQUOTED([HAVE_TERM_H], [1], [There is a term.h header available])
2779   fi
2780   AC_DEFINE_UNQUOTED([CURSES_H_FILE], ["${curses_h_file-curses.h}"], [The curses.h header file])
2781   AC_DEFINE_UNQUOTED([TERMCAP_H_FILE], ["${termcap_h_file-termcap.h}"], [The termcap.h header file])
2782   AC_DEFINE_UNQUOTED([TERM_H_FILE], ["${term_h_file-term.h}"], [The term.h header file])
2783
2784   dnl General Purpose Mouse (libgpm) support
2785   if test "$with_gpm" != "no"; then
2786     AC_CHECK_HEADER(gpm.h, [
2787       AC_CHECK_LIB(gpm, Gpm_Open, have_gpm=yes)])
2788     if test "$have_gpm" = "yes"; then
2789       with_gpm=yes
2790       AC_DEFINE([HAVE_GPM], [1], [General Purpose Mouse (libgpm) is available])
2791       SXE_ADD_SXEUITTY_OBJS(gpmevent.o)
2792       SXE_PREPEND(-lgpm, LIBS)
2793     else
2794       with_gpm=no
2795     fi
2796   fi
2797
2798 else dnl "$with_tty" = "no"
2799   for feature in ncurses gpm; do
2800     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2801       AC_MSG_WARN([--with-${feature} ignored:  Not valid without TTY support])
2802     fi
2803     eval "with_${feature}=no"
2804   done
2805 fi dnl with_tty
2806
2807 SXE_CHECK_UI_SUFFICIENCY
2808
2809 ## Uncertain options
2810 ## =================
2811 echo
2812 echo "Uncertain options"
2813 echo "================="
2814
2815 ## for native xml support one day
2816 SXE_LANG_CHECK_XML
2817 SXE_CHECK_SUFFICIENCY([libxml2], [xml language])
2818 ## for BoehmGC support one day
2819 SXE_CHECK_BDWGC
2820 SXE_CHECK_SUFFICIENCY([bdwgc], [Boehm-Demers-Weiser GC])
2821
2822 if test "$with_experimental_features_bdwgc" = "yes"; then
2823         AC_MSG_CHECKING([if bdwgc prerequisites are met])
2824         AC_MSG_RESULT([${have_bdwgc}])
2825         have_experimental_features_bdwgc=${have_bdwgc}
2826         if test "${have_bdwgc}" = "yes"; then
2827                 AC_DEFINE([EF_USE_BDWGC], [1],
2828                         [Whether to actually use the BDWGC!])
2829         fi
2830 fi
2831
2832
2833 dnl This one is for the static initializeds variables in
2834 dnl offix.c, so that the thing is dumped after lastfile.o
2835 AC_SUBST(dnd_objs)
2836
2837 dnl Autodetect dll support
2838
2839 LIBSTDCPP=
2840 AC_SUBST(LIBSTDCPP)
2841
2842
2843 ## Multimedia Options
2844 ## ==================
2845 echo
2846 echo "Multimedia Options"
2847 echo "=================="
2848
2849 dnl ----------------------
2850 dnl Graphics libraries
2851 dnl ----------------------
2852
2853 if test "$with_image_xpm" = "yes"; then
2854         SXE_MM_CHECK_XPM([have_image_xpm=yes], [have_image_xpm=no])
2855
2856         AC_MSG_CHECKING([for sufficient xpm support])
2857         if test "$have_image_xpm" = "yes"; then
2858                 AC_MSG_RESULT([yes])
2859                 AC_DEFINE([HAVE_XPM], [1], [Description here!])
2860                 SXE_PREPEND([-lXpm], [MM_LIBS])
2861         else
2862                 AC_MSG_RESULT([no])
2863                 have_image_xpm=no
2864         fi
2865 fi
2866 AM_CONDITIONAL([WITH_BDWGC],
2867         [test "$with_experimental_features_bdwgc" = "yes" -a \
2868               "$have_bdwgc" = "yes"])
2869
2870 if test "$with_image_xface" = "yes"; then
2871         SXE_MM_CHECK_XFACE([have_image_xface=yes], [have_image_xface=no])
2872
2873         AC_MSG_CHECKING([for sufficient xface support])
2874         if test "$have_image_xface" = "yes"; then
2875                 AC_MSG_RESULT([yes])
2876                 AC_DEFINE([HAVE_XFACE], [1], [dnl
2877                         Both compface.h and libcompface have been found.])
2878                 SXE_PREPEND([-lcompface], [MM_LIBS])
2879         else
2880                 AC_MSG_RESULT([no])
2881                 have_image_xface=no
2882         fi
2883 fi
2884
2885 if test "$with_image_gif" = "yes"; then
2886         SXE_MM_CHECK_GIF([have_image_gif=yes], [have_image_gif=no])
2887
2888         AC_MSG_CHECKING([for sufficient gif support])
2889         if test "$have_image_gif" = "yes"; then
2890                 AC_MSG_RESULT([yes])
2891                 AC_DEFINE([HAVE_GIF], [1], [Enable internal GIF decoding])
2892                 SXE_ADD_MM_OBJS(dgif_lib.o gif_io.o)
2893         else
2894                 AC_MSG_RESULT([no])
2895         fi
2896 fi
2897
2898 SXE_MM_SEARCH_INFLATE
2899
2900 if test "$with_image_jpeg" = "yes"; then
2901         SXE_MM_CHECK_JPEG([have_image_jpeg=yes], [have_image_jpeg=no])
2902
2903         AC_MSG_CHECKING([for sufficient jpeg support])
2904         if test "$have_image_jpeg" = "yes"; then
2905                 AC_MSG_RESULT([yes])
2906                 AC_DEFINE([HAVE_JPEG], [1], [
2907                         Both jpeglib.h and libjpeg have been found.])
2908                 SXE_PREPEND([-ljpeg], [MM_LIBS])
2909         else
2910                 AC_MSG_RESULT([no])
2911         fi
2912 fi
2913
2914 if test "$with_image_png" = "yes"; then
2915         AC_DEFINE([WITH_PNG], [1], [Define to 1 if png support is desired.])
2916         SXE_MM_CHECK_PNG([have_image_png="yes"], [have_image_png="no"])
2917
2918         SXE_MSG_CHECKING([for sufficient PNG support])
2919         SXE_MSG_RESULT([${sxe_cv_feat_png}])
2920         if test "$sxe_cv_feat_png" = "yes"; then
2921                 SXE_PREPEND_UNDUP([$PNG_CPPFLAGS], [MM_CPPFLAGS])
2922                 SXE_PREPEND_UNDUP([$PNG_LDFLAGS], [MM_LDFLAGS])
2923                 SXE_PREPEND([$PNG_LIBS], [MM_LIBS])
2924         fi
2925 fi
2926
2927 if test "$with_image_tiff" = "yes"; then
2928         SXE_MM_CHECK_TIFF([have_image_tiff=yes], [have_image_tiff=no])
2929
2930         AC_MSG_CHECKING([for sufficient TIFF support])
2931         if test "$have_image_tiff" = "yes"; then
2932                 AC_MSG_RESULT([yes])
2933                 AC_DEFINE([HAVE_TIFF], [1], [
2934                         Both tiffio.h and libtiff have been found.])
2935                 SXE_PREPEND([-ltiff], [MM_LIBS])
2936         else
2937                 AC_MSG_RESULT([no])
2938         fi
2939 fi
2940
2941 dnl Check for audio output and media stream libraries.
2942
2943 dnl internal media stream analysis support
2944 if test "$with_media_internal" != "no"; then
2945         need_media_internal=yes
2946         have_media_internal=yes
2947 fi
2948
2949 ## Since almost any of the below tests uses pkgconfig we make a 
2950 ## once-for-all-times check now
2951 SXE_SEARCH_CONFIG_PROG([pkg-config])
2952
2953 dnl libsndfile support
2954 if test "$with_media_sndfile" != "no"; then
2955         SXE_MM_CHECK_SNDFILE([have_media_sndfile=yes], [have_media_sndfile=no])
2956
2957         AC_MSG_CHECKING([for sufficient sndfile support])
2958         if test "$have_media_sndfile" = "yes"; then
2959                 AC_MSG_RESULT([yes])
2960                 SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
2961                 SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags sndfile`
2962                 SNDFILE_VERSION=`$PKG_CONFIG --modversion sndfile`
2963                 SXE_PREPEND([$SNDFILE_LIBS], [MM_LIBS])
2964                 SXE_PREPEND_UNDUP([$SNDFILE_CPPFLAGS], [MM_CPPFLAGS])
2965                 SXE_ADD_MM_OBJS([media-sndfile.o])
2966                 AC_DEFINE([HAVE_SNDFILE], [1],
2967                         [Whether we appear to have support for the sndfile library!])
2968                 AC_DEFINE_UNQUOTED([SNDFILE_VERSION], [$SNDFILE_VERSION],
2969                         [Version of the sndfile library!])
2970         else
2971                 AC_MSG_RESULT([no])
2972                 have_media_sndfile=no
2973         fi
2974 fi
2975
2976 dnl libavcodec/libavformat/ffmpeg support
2977 if test "$with_media_ffmpeg" != "no"; then
2978         SXE_MM_CHECK_FFMPEG([have_media_ffmpeg=yes], [have_media_ffmpeg=no])
2979
2980         AC_MSG_CHECKING([for sufficient FFmpeg support])
2981
2982         if test "$have_media_ffmpeg" = "yes"; then
2983                 AC_MSG_RESULT([yes])
2984                 FFMPEG_LIBS=`$PKG_CONFIG --libs libavformat`
2985                 FFMPEG_CPPFLAGS=`$PKG_CONFIG --cflags libavformat`
2986                 SXE_PREPEND($FFMPEG_LIBS, MM_LIBS)
2987                 SXE_PREPEND_UNDUP($FFMPEG_CPPFLAGS, MM_CPPFLAGS)
2988                 SXE_ADD_MM_OBJS([media-ffmpeg.o])
2989                 AC_DEFINE([HAVE_FFMPEG], [1], [Description here!])
2990         else
2991                 AC_MSG_RESULT([no])
2992                 have_media_ffmpeg=no
2993         fi
2994 fi
2995
2996 dnl sox support
2997 if test "$with_media_sox" != "no"; then
2998         ## defines $LIBST_CONFIG
2999         SXE_MM_CHECK_SOX([have_media_sox=yes], [have_media_sox=no])
3000
3001         AC_MSG_CHECKING([for sufficient SoX support])
3002         if test "$sxe_cv_feat_sox" = "yes"; then
3003                 AC_MSG_RESULT([yes])
3004                 SXE_ADD_MM_OBJS([media-sox.o])
3005                 SXE_PREPEND_UNDUP([$sox_cppflags], [MM_CPPFLAGS])
3006                 SXE_PREPEND_UNDUP([$sox_ldflags], [MM_LDFLAGS])
3007                 SXE_PREPEND([$sox_libs], [MM_LIBS])
3008                 AC_DEFINE([HAVE_SOX], [1], [Description here!])
3009         else
3010                 AC_MSG_RESULT(no)
3011                 have_media_sox=no
3012         fi
3013 fi
3014
3015 dnl mad support
3016 if test "$with_media_mad" != "no"; then
3017         SXE_MM_CHECK_MAD([have_media_mad=yes], [have_media_mad=no])
3018
3019         AC_MSG_CHECKING([for sufficient mad support])
3020         if test "$have_media_mad" = "yes"; then
3021                 AC_MSG_RESULT([yes])
3022                 SXE_ADD_MM_OBJS([media-mad.o])
3023                 SXE_PREPEND([-lmad], [MM_LIBS])
3024                 AC_DEFINE([HAVE_MAD], [1], [Description here!])
3025         else
3026                 AC_MSG_RESULT(no)
3027                 have_media_mad=no
3028         fi
3029 fi
3030
3031 ## file/libmagic support
3032 if test "$with_media_magic" != "no"; then
3033         SXE_MM_CHECK_MAGIC([have_media_magic=yes], [have_media_magic=no])
3034
3035         AC_MSG_CHECKING([for sufficient magic support])
3036         if test "$have_media_magic" = "yes"; then
3037                 AC_MSG_RESULT([yes])
3038                 SXE_ADD_MM_OBJS([media-magic.o])
3039                 SXE_PREPEND([-lmagic], [MM_LIBS])
3040                 AC_DEFINE([HAVE_MAGIC], [1], [Whether libmagic is available])
3041         else
3042                 AC_MSG_RESULT([no])
3043                 have_media_magic=no
3044         fi
3045 fi
3046
3047
3048 dnl Autodetect OSS sound
3049 AS_MESSAGE([checking for OSS sound support])
3050 dnl test -z "$with_sound_oss" -a -n "$with_oss_sound_lib" && with_sound_oss=yes
3051
3052 dnl Check for Linux/BSD sound (called OSS)
3053 if test "$with_sound_oss" != "no"; then
3054         SXE_MM_CHECK_OSS([have_sound_oss=yes], [have_sound_oss=no])
3055
3056         AC_MSG_CHECKING([for sufficient OSS support])
3057         if test "$have_sound_oss" = "yes"; then
3058                 AC_MSG_RESULT([yes])
3059                 SXE_ADD_MM_OBJS([sound-oss.o])
3060                 AC_DEFINE([HAVE_INTERNAL_SOUND], [1], [Description here!])
3061                 AC_DEFINE([HAVE_OSS_SOUND], [1], [Description here!])
3062         else
3063                 AC_MSG_RESULT([no])
3064                 have_sound_oss=yes
3065         fi
3066 fi
3067
3068 dnl NAS Sound support
3069 if test "$with_sound_nas" != "no"; then
3070         SXE_MM_CHECK_NAS([have_sound_nas=yes], [have_sound_nas=no])
3071
3072         AC_MSG_CHECKING([for sufficient NAS support])
3073         if test "$have_sound_nas" = "yes"; then
3074                 AC_MSG_RESULT([yes])
3075                 AC_DEFINE([HAVE_NAS_SOUND], [1], [Description here!])
3076                 SXE_ADD_MM_OBJS([sound-nas.o])
3077                 SXE_PREPEND([-laudio], [MM_LIBS])
3078         else
3079                 AC_MSG_RESULT([no])
3080                 have_nas_sound=no
3081         fi
3082 fi
3083
3084 dnl ESD Sound support
3085 if test "$with_sound_esd" != "no"; then
3086         SXE_MM_CHECK_ESD([have_sound_esd=yes], [have_sound_esd=no])
3087
3088         AC_MSG_CHECKING([for sufficient ESD support])
3089         if test "$have_sound_esd" = "yes"; then
3090                 AC_MSG_RESULT([yes])
3091                 need_internal_media=yes
3092                 SXE_ADD_MM_OBJS([sound-esd.o])
3093                 ESD_LIBS=$("${ESD_CONFIG}" --libs)
3094                 SXE_PREPEND(["${ESD_LIBS}"], [MM_LIBS])
3095                 AC_DEFINE([HAVE_ESD_SOUND], [1], [Description here!])
3096         else
3097                 AC_MSG_RESULT([no])
3098                 have_esd_sound=no
3099         fi
3100 fi
3101
3102 dnl PulseAudio Sound support
3103 if test "$with_pulseaudio" != "no"; then
3104         SXE_MM_CHECK_PULSE([have_sound_pulse=yes], [have_sound_pulse=no])
3105
3106         AC_MSG_CHECKING([for sufficient PulseAudio support])
3107         if test "$have_sound_pulse" = "yes"; then
3108                 AC_MSG_RESULT([yes])
3109                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse`
3110                 pulse_version=`$PKG_CONFIG --modversion libpulse`
3111                 pulse_major_version=0
3112                 pulse_minor_version=`echo $pulse_version | \
3113                         sed -e "s/0\.\([[0-9]]*\).*/\1/"`
3114                 need_internal_media=yes
3115                 SXE_ADD_MM_OBJS([sound-pulse.o])
3116                 SXE_PREPEND($PULSEAUDIO_LIBS, MM_LIBS)
3117                 AC_DEFINE([HAVE_PULSE_SOUND], [1],
3118                         [Whether to put in support for PulseAudio.])
3119                 AC_DEFINE_UNQUOTED([PULSE_VERSION], [$pulse_minor_version],
3120                         [Version of the underlying pulse lib.])
3121         else
3122                 AC_MSG_RESULT(no)
3123                 have_sound_pulse=no
3124         fi
3125 fi
3126
3127 dnl aRts Sound support
3128 if test "$with_sound_arts" != "no"; then
3129         SXE_MM_CHECK_ARTS([have_sound_arts=yes], [have_sound_arts=no])
3130
3131         AC_MSG_CHECKING([for sufficient aRts support])
3132         if test "$have_sound_arts" = "yes"; then
3133                 AC_MSG_RESULT([yes])
3134                 ARTS_VERSION=`$ARTSC_CONFIG --arts-version`
3135                 ARTS_LIBS=`$ARTSC_CONFIG --libs`
3136                 ARTS_CPPFLAGS=`$ARTSC_CONFIG --cflags`
3137                 SXE_ADD_MM_OBJS([sound-arts.o])
3138                 SXE_PREPEND([$ARTS_LIBS], [MM_LIBS])
3139                 SXE_PREPEND_UNDUP([$ARTS_CPPFLAGS], [MM_CPPFLAGS])
3140                 AC_DEFINE([HAVE_ARTS_SOUND], [1], [Description here!])
3141                 AC_DEFINE_UNQUOTED([ARTS_VERSION], [$ARTS_VERSION],
3142                         [Version number of the underlying arts library])
3143         else
3144                 AC_MSG_RESULT(no)
3145                 have_sound_arts=no
3146         fi
3147
3148 fi
3149
3150 dnl Jack Sound support
3151 if test "$with_sound_jack" != "no"; then
3152         SXE_MM_CHECK_JACK([have_sound_jack=yes], [have_sound_jack=no])
3153
3154         AC_MSG_CHECKING([for sufficient Jack support])
3155         if test "$have_sound_jack" = "yes"; then
3156                 AC_MSG_RESULT([yes])
3157                 dnl okay, we have Jack on the system, but we have no working 
3158                 dnl interface to it :(
3159                 JACK_LIBS=`$PKG_CONFIG --libs jack`
3160                 JACK_VERSION=`$PKG_CONFIG --modversion jack`
3161                 need_internal_media=yes
3162                 SXE_ADD_MM_OBJS([sound-jack.o])
3163                 SXE_PREPEND([$JACK_LIBS], [MM_LIBS])
3164                 AC_DEFINE([HAVE_JACK_SOUND], [1], [Description here!])
3165                 AC_DEFINE_UNQUOTED([JACK_VERSION], [$JACK_VERSION],
3166                         [Description here!])
3167         else
3168                 AC_MSG_RESULT(no)
3169         fi
3170 fi
3171
3172 dnl alsa sound support
3173 if test "$with_sound_alsa" != "no"; then
3174         SXE_MM_CHECK_ALSA([have_sound_alsa=yes], [have_sound_alsa=no])
3175
3176         AC_MSG_CHECKING([for sufficient ALSA support])
3177         if test "$have_sound_alsa" = "yes"; then
3178                 AC_MSG_RESULT([yes])
3179                 SXE_ADD_MM_OBJS([sound-alsa.o])
3180                 SXE_PREPEND([-lasound], [MM_LIBS])
3181         else
3182                 AC_MSG_RESULT(no)
3183                 have_sound_alsa=no
3184         fi
3185 fi
3186
3187 dnl libao sound support
3188 if test "$with_sound_ao" != "no"; then
3189         SXE_MM_CHECK_AO([have_sound_ao=yes], [have_sound_ao=no])
3190
3191         AC_MSG_CHECKING([for sufficient AO support])
3192         if test "$have_sound_ao" = "yes"; then
3193                 AC_MSG_RESULT([yes])
3194                 AO_LIBS=`$PKG_CONFIG --libs ao`
3195                 ao_version=`$PKG_CONFIG --modversion ao`
3196                 SXE_ADD_MM_OBJS([sound-ao.o])
3197                 SXE_PREPEND($AO_LIBS, MM_LIBS)
3198                 AC_DEFINE([HAVE_AO_SOUND], [1], [Description here!])
3199                 AC_DEFINE_UNQUOTED([AO_VERSION], [$ao_version], [Description here!])
3200         else
3201                 AC_MSG_RESULT(no)
3202                 have_sound_ao=no
3203         fi
3204 fi
3205
3206 if test \
3207    "$have_sound_alsa \
3208     $have_sound_ao \
3209     $have_sound_arts \
3210     $have_sound_esd \
3211     $have_sound_jack \
3212     $have_sound_nas \
3213     $have_sound_pulse" != "no no no no no no no"; then
3214         AC_DEFINE([HAVE_AUDIO], [1], [Description here!])
3215 fi
3216 if test "$need_internal_media" = "yes"; then
3217         with_internal_media=yes
3218         AC_DEFINE([HAVE_INTERNAL_MEDIA], [1], [Description here!])
3219         SXE_ADD_MM_OBJS([media-internal.o])
3220 fi
3221 AC_SUBST([MM_LIBS])
3222 AC_SUBST([MM_CPPFLAGS])
3223 AC_SUBST([MM_LDFLAGS])
3224 SXE_SUBST_MM_OBJS
3225
3226
3227 ## Internationalisation Options
3228 ## ============================
3229 echo
3230 echo "Internationalisation Options"
3231 echo "============================"
3232
3233 dnl ----------------------
3234 dnl Mule-dependent options
3235 dnl ----------------------
3236
3237 dnl if test "$with_mule" = "yes" && test ! -d "$sxe_srcdir/lisp/mule"; then
3238 dnl     echo "Attempt to Build with Mule without Mule/Lisp"
3239 dnl     echo "Please install the SXEmacs/Mule tarball or"
3240 dnl     echo "rerun configure with --with-mule=no"
3241 dnl     exit 1
3242 dnl fi
3243
3244 if test "$with_file_coding" = "yes" && test "$with_mule" = "no"; then
3245   AC_DEFINE([FILE_CODING], [1], [Description here!])
3246   SXE_ADD_MULE_OBJS(file-coding.o)
3247 fi
3248
3249 if test "$with_mule" = "yes" ; then
3250         SXE_CHECK_MULE
3251
3252 else dnl "$with_mule" = "no"
3253         for feature in xim canna wnn; do
3254                 if eval "test -n \"\$with_${feature}\" -a \
3255                         \"\$with_${feature}\" != no" ; then
3256                         AC_MSG_WARN([--with-${feature} ignored:  Not valid without Mule support])
3257                 fi
3258                 eval "with_${feature}=no"
3259         done
3260 fi dnl with_mule
3261 SXE_SUBST_MULE_OBJS
3262 AM_CONDITIONAL([WITH_MULE], [test "$with_mule" = "yes"])
3263
3264
3265 dnl At this point, we know whether we need the motif lib or not.
3266 if test "$need_motif" = "yes" ; then
3267         SXE_PREPEND([-lXm], [libs_x])
3268         dnl AIX needs the following library for use with Motif
3269         AC_CHECK_LIB([i18n], [layout_object_getvalue])
3270         if test "$ac_cv_lib_i18n_layout_object_getvalue" = "yes"; then
3271                 SXE_PREPEND([-li18n], [libs_x])
3272         fi
3273 fi
3274
3275 dnl getaddrinfo() is borked under hpux11
3276 if test "$ac_cv_func_getaddrinfo" != "no" ; then
3277   case "$opsys" in
3278     hpux11 )
3279       AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
3280       ac_cv_func_getaddrinfo=no
3281       ;;
3282   esac
3283 fi
3284
3285
3286 ## Database Options
3287 ## ================
3288 echo
3289 echo "Database Options"
3290 echo "================"
3291
3292 dnl Database support
3293 dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
3294 dnl On FreeBSD, both DB and DBM are part of libc.
3295 dnl By default, we check for DBM support in libgdbm, then libc, then libdbm.
3296
3297 ## initialise values
3298 have_database_berkdb=no
3299 have_database_gdbm=no
3300 have_database_dbm=no
3301
3302 if test "$with_database_gdbm $with_database_dbm $with_database_berkdb" \
3303    != "no no no"; then
3304         AS_MESSAGE(checking for database support)
3305 fi
3306
3307 dnl Check for ndbm.h, required for either kind of DBM support.
3308 if test "$with_database_gdbm $with_database_dbm" != "no no"; then
3309         SXE_CHECK_NDBM
3310         if test "$sxe_cv_feat_ndbm" = "no"; then
3311                 have_database_gdbm="no"
3312                 have_database_dbm="no"
3313         fi
3314 fi
3315
3316 dnl Check for DBM support in libgdbm or libgdbm_compat.
3317 if test "$with_database_gdbm" != "no"; then
3318         SXE_CHECK_GDBM
3319
3320         if test "$sxe_cv_feat_gdbm" = "yes"; then
3321                 have_database_gdbm="yes"
3322         else
3323                 have_database_gdbm="no"
3324         fi
3325 fi
3326
3327 dnl Check for DBM support in libc and libdbm.
3328 if test "$with_database_dbm" != "no"; then
3329         SXE_CHECK_DBM
3330
3331         if test "$sxe_cv_feat_gdbm" != "yes" -a \
3332                 "$sxe_cv_feat_dbm" = "yes"; then
3333                 have_database_dbm="yes"
3334         else
3335                 have_database_dbm="no"
3336         fi
3337 fi
3338
3339 dnl Check for Berkeley DB.
3340 if test "$with_database_berkdb" != "no"; then
3341         SXE_CHECK_BERKDB
3342
3343         if test "$sxe_cv_feat_berkdb" = "yes"; then
3344                 have_database_berkdb="yes"
3345         else
3346                 have_database_berkdb="no"
3347         fi
3348 fi
3349
3350 if test "$have_database_gdbm $have_database_dbm $have_database_berkdb" \
3351      != "no no no"; then
3352         AC_DEFINE([HAVE_DATABASE], [1], [Description here!])
3353         SXE_ADD_DB_OBJS([database.o])
3354
3355         SXE_CHECK_NDBM_BERKDB_CONFLICT
3356         if test "$sxe_cv_db_ndbm_berkdb_conflict" = "yes"; then
3357                 ## can't do nothing because the way we designed it
3358                 ## is going to conflict at compile time
3359                 have_database_gdbm="no"
3360                 have_database_dbm="no"
3361
3362         elif test "$have_database_gdbm $have_database_dbm" != "no no"; then
3363                 AC_DEFINE([HAVE_DBM], [1], [Description here!])
3364
3365                 ## Also, tell make about the DBM support we detected.
3366                 if test -n "$libdbm"; then
3367                         SXE_PREPEND([$libdbm], [DB_LIBS])
3368                 fi
3369         fi
3370 fi
3371
3372
3373 dnl Autodetect LDAP
3374 if test "$with_ldap" != "no"; then
3375         SXE_CHECK_LDAP
3376 fi
3377 if test "$have_ldap" = "yes"; then
3378         AC_DEFINE([HAVE_LDAP], [1], [Description here!])
3379         SXE_ADD_DB_OBJS(eldap.o)
3380         if test "$have_ldap_des" = "yes" ; then
3381                 SXE_PREPEND(-ldes, DB_LIBS)
3382         fi
3383         if test "$have_ldap_krb" = "yes" ; then
3384                 SXE_PREPEND(-lkrb, DB_LIBS)
3385         fi
3386         if test "$have_ldap_lber" = "yes" ; then
3387                 SXE_PREPEND(-llber, DB_LIBS)
3388         fi
3389         SXE_PREPEND(-lldap, DB_LIBS)
3390
3391         dnl save our values until here
3392         save_LIBS="$LIBS"
3393         LIBS="$DB_LIBS $LIBS"
3394         AC_CHECK_FUNCS(
3395                 [ldap_set_option ldap_get_lderrno ldap_result2error ldap_parse_result])
3396         dnl and restore
3397         LIBS="$save_LIBS"
3398 fi
3399
3400 dnl Autodetect PostgreSQL
3401 if test "x$with_postgresql" != "xno"; then
3402         SXE_CHECK_POSTGRESQL
3403 fi
3404 SXE_SUBST_DB_OBJS
3405
3406
3407 dnl Usage tracking (undocumented and likely unused option)
3408 if test "$usage_tracking" = "yes"; then
3409   AC_DEFINE([USAGE_TRACKING], [1], [Description here!])
3410   SXE_PREPEND(-Bstatic -lut -Bdynamic, LIBS)
3411 fi
3412
3413 dnl Unfortunately, just because we can link doesn't mean we can run.
3414 dnl One of the above link tests may have succeeded but caused resulting
3415 dnl executables to fail to run.  Also any tests using AC_RUN_IFELSE will
3416 dnl have reported incorrect results.
3417 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int c,char *v[]){return 0;}]])],[:],[
3418   echo ""
3419   echo "*** PANIC *** The C compiler can no longer build working executables."
3420   echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
3421   echo "*** PANIC *** The most likely reason for this problem is that configure"
3422   echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
3423   echo "*** PANIC *** found at run time."
3424   echo "*** PANIC ***"
3425   echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
3426   echo "*** PANIC *** On other systems, try telling configure where to find the"
3427   echo "*** PANIC *** shared libraries using the --with-site-runtime-libraries option"
3428   echo "*** PANIC ***"
3429   echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
3430   echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
3431   echo "*** PANIC *** on your system.  Don't do that."
3432   exit 1], [AS_MESSAGE(cannot cross-compile)])
3433
3434 dnl Process support
3435 AC_DEFINE([HAVE_UNIX_PROCESSES], [1], [Description here!])
3436
3437 dnl --------------------------------
3438 dnl Compute SUBST-itutable variables
3439 dnl --------------------------------
3440
3441 dnl We ignore (C|LD)_SWITCH_X_(MACHINE|SYSTEM)
3442 dnl Use SXE_CONSECUTIVE_UNDUP instead of plain assignment statements to remove extraneous blanks
3443 if test "$with_module_support" = "yes"; then
3444         ld_libs_module=
3445 else
3446         SXE_CONSECUTIVE_UNDUP(ld_libs_module, $ldap_libs $postgresql_libs)
3447 fi
3448
3449 SXE_UNDUP(CFLAGS, $CFLAGS)
3450 SXE_UNDUP(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system $CFLAGS $CPPFLAGS)
3451 SXE_UNDUP(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
3452 SXE_UNDUP(c_switch_all, $c_switch_general $c_switch_window_system)
3453 SXE_UNDUP(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
3454 SXE_UNDUP(ld_switch_window_system, $ld_switch_x_site)
3455 SXE_UNDUP(ld_switch_all, $ld_switch_general $ld_switch_window_system)
3456 dnl Since some systems need libs to be restated later, we can't just dedup, we can only safely dedup
3457 dnl consecutive occurrences
3458 SXE_CONSECUTIVE_UNDUP(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
3459 SXE_CONSECUTIVE_UNDUP(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
3460 SXE_CONSECUTIVE_UNDUP(ld_libs_all, $OPENSSL_LIBS $DB_LIBS $ENT_LIBS $MM_LIBS $ld_libs_window_system $ld_libs_general $ld_libs_module)
3461
3462 dnl For no-module builds, make the src dir last
3463 if test "$with_module_support" = "no"; then
3464         SXE_APPEND(src, MAKE_SUBDIR)    dnl is that still important?
3465 fi
3466
3467 EMACS=$sxe_blddir/src/$PROGNAME
3468 AC_SUBST(EMACS)
3469
3470 dnl Compute lists of Makefiles and subdirs
3471 AC_SUBST(SRC_SUBDIR_DEPS)
3472 internal_makefile_list="Makefile.in"
3473 SUBDIR_MAKEFILES=''
3474 test -d lock || mkdir lock
3475 for dir in $MAKE_SUBDIR; do
3476   case "$dir" in */* ) dnl Implement mkdir -p
3477     ( for d in `echo $dir | sed 's:/: :g'` ; do
3478         test -d "$d" || mkdir "$d"; cd "$d"
3479       done ) ;;
3480    * ) test -d "$dir" || mkdir "$dir" ;;
3481   esac
3482   SXE_SPACE(SUBDIR_MAKEFILES, $SUBDIR_MAKEFILES $dir/Makefile $dir/Makefile)
3483   SXE_SPACE(internal_makefile_list, $internal_makefile_list $dir/Makefile.in)
3484 done
3485
3486 AC_SUBST(INSTALL_ARCH_DEP_SUBDIR)
3487 AC_SUBST(MAKE_SUBDIR)
3488 AC_SUBST(MAKE_AM_SUBDIR)
3489 AC_SUBST(SUBDIR_MAKEFILES)
3490
3491 dnl ----------------------------------------------
3492 dnl Create some auxiliary files for developers.
3493 dnl ----------------------------------------------
3494
3495 dnl Create a useful TAGS file
3496 if test -f "$sxe_srcdir/TAGS" -a ! -f "TAGS"; then
3497   test "$extra_verbose" = "yes" && echo "creating TAGS"
3498   echo "\f
3499 $sxe_srcdir/TAGS,include" > "TAGS"
3500 fi
3501
3502 dnl Create top level .sbinit for Sun compilers
3503 if test "$__SUNPRO_C" = "yes"; then
3504   test "$extra_verbose" = "yes" && echo "creating .sbinit"
3505   ( echo "# For use with Sun WorkShop's Source browser."
3506     echo "# See sbquery(1) and sbinit(4) for more information"
3507     for dir in $MAKE_SUBDIR; do echo "import $dir"; done
3508   ) > .sbinit
3509 fi
3510
3511 ### whether to build with profile.o
3512 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3513 int main(int c, char *v[]) 
3514 {
3515 #ifdef HAVE_SETITIMER
3516         return 1;
3517 #else
3518         return 0;
3519 #endif
3520 }]])], [./conftest; have_setitimer=$?],
3521         [have_setitimer=$?],[have_setitimer=0])
3522 AM_CONDITIONAL([HAVE_SETITIMER], [test "$have_setitimer" = "1"])
3523
3524 ## whether to build with sheap.o
3525 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3526 int main(int c, char *v[]) 
3527 {
3528 #if defined(HEAP_IN_DATA) && !defined(PDUMP)
3529         return 1;
3530 #else
3531         return 0;
3532 #endif
3533 }]])], [./conftest; build_sheap=$?],
3534         [build_sheap=$?],[build_sheap=0])
3535 AM_CONDITIONAL([BUILD_SHEAP], [test "$build_sheap" = "1"])
3536
3537
3538 dnl There are no more compile tests; remove the core they created.
3539 rm -f core
3540
3541 dnl --------------------------------------------------
3542 dnl Substitute into Makefile, config.h and sxe-paths.h
3543 dnl --------------------------------------------------
3544
3545 dnl what sort of things to edit into Makefile, config.h and sxe-paths.h
3546 dnl configuration here uncanonicalized to avoid exceeding size limits.
3547
3548 AC_SUBST(PROGNAME)
3549 AC_SUBST(MULE)
3550 AC_SUBST(HAVE_LIBFFI)
3551 AC_SUBST(version)
3552 AC_SUBST(VERSION)
3553 AC_SUBST(old_version)
3554 AC_SUBST(inststaticdir)
3555 AC_SUBST(instvardir)
3556 AC_SUBST(instvarsepdir)
3557 AC_SUBST(sxe_srcdir)
3558 AC_SUBST(emodsrcdir)
3559 AC_SUBST(sxe_blddir)
3560 AC_SUBST(emodblddir)
3561 AC_SUBST(bindir)
3562 AC_SUBST(datarootdir)
3563 AC_SUBST(datadir)
3564 AC_SUBST(statedir)
3565 AC_SUBST(libdir)
3566 AC_SUBST(mandir)
3567 AC_SUBST(extra_includes)
3568
3569 AC_SUBST(prefix)
3570 AC_SUBST(PREFIX_USER_DEFINED)
3571 dnl Yo, Stephen Bourne!  I want to marry you!
3572 PREFIX=$prefix
3573 while true; do
3574   case "$PREFIX" in
3575     *\$* ) eval "PREFIX=\"${PREFIX}\"" ;;
3576     *) break ;;
3577   esac
3578 done
3579 AC_SUBST(PREFIX)
3580
3581 AC_SUBST(exec_prefix)
3582 AC_SUBST(EXEC_PREFIX_USER_DEFINED)
3583 EXEC_PREFIX=$exec_prefix
3584 while true; do
3585   case "$EXEC_PREFIX" in
3586     *\$* ) eval "EXEC_PREFIX=\"${EXEC_PREFIX}\"" ;;
3587     *) break ;;
3588   esac
3589 done
3590 AC_SUBST(EXEC_PREFIX)
3591
3592 AC_SUBST(infodir)
3593 AC_SUBST(INFODIR_USER_DEFINED)
3594 INFODIR=$infodir
3595 while true; do
3596   case "$INFODIR" in
3597     *\$* ) eval "INFODIR=\"${INFODIR}\"" ;;
3598     *) break ;;
3599   esac
3600 done
3601 AC_SUBST(INFODIR)
3602
3603 AC_SUBST(infopath,$with_infopath)
3604 AC_SUBST(INFOPATH_USER_DEFINED)
3605 INFOPATH=$with_infopath
3606 while true; do
3607   case "$INFOPATH" in
3608     *\$* ) eval "INFOPATH=\"${INFOPATH}\"" ;;
3609     *) break ;;
3610   esac
3611 done
3612 AC_SUBST(INFOPATH)
3613
3614 if test -z "$with_module_path"; then
3615     with_module_path="~/.sxemacs/${configuration}/modules:${libdir}/${PROGNAME}/${configuration}/site-modules:${libdir}/${instvardir}/${configuration}/modules"
3616 fi
3617
3618 AC_SUBST(module_path,$with_module_path)
3619 AC_SUBST(MODULE_PATH_USER_DEFINED)
3620 MODULE_PATH=$with_module_path
3621 while true; do
3622   case "$MODULE_PATH" in
3623     *\$* ) eval "MODULE_PATH=\"${MODULE_PATH}\"" ;;
3624     *) break ;;
3625   esac
3626 done
3627 AC_SUBST(MODULE_PATH)
3628
3629 if test -z "$with_package_prefix" ; then
3630   with_package_prefix=${prefix}/share/sxemacs
3631 fi
3632
3633 if test -z "$with_package_path" && test -n "$with_package_prefix" ; then
3634   if test "$with_mule" = "yes" ; then
3635     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages:~/.sxemacs/mule-packages"
3636     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages:${with_package_prefix}/mule-packages"
3637   else
3638     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages"
3639     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages"
3640   fi
3641 fi
3642
3643 AC_SUBST(package_path,$with_package_path)
3644 AC_SUBST(PACKAGE_PATH_USER_DEFINED)
3645 PACKAGE_PATH=$with_package_path
3646 while true; do
3647   case "$PACKAGE_PATH" in
3648     *\$* ) eval "PACKAGE_PATH=\"${PACKAGE_PATH}\"" ;;
3649     *) break ;;
3650   esac
3651 done
3652 AC_SUBST(PACKAGE_PATH)
3653
3654 AC_SUBST(lispdir, $with_lispdir)
3655 AC_SUBST(LISPDIR_USER_DEFINED)
3656 LISPDIR=$with_lispdir
3657 while true; do
3658   case "$LISPDIR" in
3659     *\$* ) eval "LISPDIR=\"${LISPDIR}\"" ;;
3660     *) break ;;
3661   esac
3662 done
3663 AC_SUBST(LISPDIR)
3664
3665 AC_SUBST(moduledir,$with_moduledir)
3666 AC_SUBST(MODULEDIR_USER_DEFINED)
3667 MODULEDIR=$with_moduledir
3668 while true; do
3669   case "$MODULEDIR" in
3670     *\$* ) eval "MODULEDIR=\"${MODULEDIR}\"" ;;
3671     *) break ;;
3672   esac
3673 done
3674 AC_SUBST(MODULEDIR)
3675
3676 AC_SUBST([sitelispdir], [$with_sitelispdir])
3677 AC_SUBST([SITELISPDIR_USER_DEFINED])
3678 SITELISPDIR=$sitelispdir
3679 while true; do
3680   case "$SITELISPDIR" in
3681     *\$* ) eval "SITELISPDIR=\"${SITELISPDIR}\"" ;;
3682     *) break ;;
3683   esac
3684 done
3685 AC_SUBST(SITELISPDIR)
3686
3687 AC_SUBST(sitemoduledir,$with_sitemoduledir)
3688 AC_SUBST(SITEMODULEDIR_USER_DEFINED)
3689 SITEMODULEDIR=$with_sitemoduledir
3690 while true; do
3691   case "$SITEMODULEDIR" in
3692     *\$* ) eval "SITEMODULEDIR=\"${SITEMODULEDIR}\"" ;;
3693     *) break ;;
3694   esac
3695 done
3696 AC_SUBST(SITEMODULEDIR)
3697
3698 AC_SUBST(etcdir,$with_etcdir)
3699 AC_SUBST(ETCDIR_USER_DEFINED)
3700 ETCDIR=$with_etcdir
3701 while true; do
3702   case "$ETCDIR" in
3703     *\$* ) eval "ETCDIR=\"${ETCDIR}\"" ;;
3704     *) break ;;
3705   esac
3706 done
3707 AC_SUBST(ETCDIR)
3708
3709 AC_SUBST(archlibdir,$with_archlibdir)
3710 AC_SUBST(ARCHLIBDIR_USER_DEFINED)
3711 ARCHLIBDIR=$with_archlibdir
3712 while true; do
3713   case "$ARCHLIBDIR" in
3714     *\$* ) eval "ARCHLIBDIR=\"${ARCHLIBDIR}\"" ;;
3715     *) break ;;
3716   esac
3717 done
3718 AC_SUBST(ARCHLIBDIR)
3719
3720 AC_SUBST(docdir,$with_docdir)
3721 AC_SUBST(DOCDIR_USER_DEFINED)
3722 DOCDIR=$with_docdir
3723 while true; do
3724   case "$DOCDIR" in
3725     *\$* ) eval "DOCDIR=\"${DOCDIR}\"" ;;
3726     *) break ;;
3727   esac
3728 done
3729 AC_SUBST(DOCDIR)
3730
3731 AC_SUBST(docdir)
3732 AC_SUBST(bitmapdir)
3733
3734 dnl The following flags combine all the information from:
3735 dnl - command line options (user always gets priority)
3736 dnl - user environment variables
3737 dnl - determined by configure
3738 dnl - the s&m header files (required for ellcc)
3739 AC_SUBST(machfile)
3740 AC_SUBST(opsysfile)
3741 AC_SUBST(c_switch_general)
3742 AC_SUBST(c_switch_window_system)
3743 AC_SUBST(c_switch_all)
3744 AC_SUBST(ld_switch_general)
3745 AC_SUBST(ld_switch_window_system)
3746 AC_SUBST(ld_switch_all)
3747 AC_SUBST(ld_libs_general)
3748 AC_SUBST(ld_libs_window_system)
3749 AC_SUBST(ld_libs_all)
3750 AC_SUBST(CFLAGS)
3751 AC_SUBST(CPPFLAGS)
3752 AC_SUBST(LDFLAGS)
3753 RECURSIVE_MAKE_ARGS="\$(MFLAGS) CC='\$(CC)' CFLAGS='\$(CFLAGS)' LDFLAGS='\$(LDFLAGS)' CPPFLAGS='\$(CPPFLAGS)'"
3754 if test -z "$MAKE"; then
3755         MAKE=make
3756 fi
3757 case `$MAKE --version 2>/dev/null` in
3758    GNU\ Make*)
3759         AM_MAKEFLAGS="-w $AM_MAKEFLAGS"
3760         RECURSIVE_MAKE_ARGS="-w $RECURSIVE_MAKE_ARGS"
3761    ;;
3762    *)
3763         echo ===================================
3764         echo $MAKE does not seem to be GNU Make
3765         echo If you find makefile errors please try using GNU Make as some 
3766         echo autoconf constructs may not be proper for your make variant
3767         echo ===================================
3768    ;; 
3769 esac
3770 AC_SUBST(RECURSIVE_MAKE_ARGS)
3771 AC_SUBST(AM_MAKEFLAGS)
3772
3773 AC_SUBST(sound_cflags)
3774 AC_SUBST(AR)
3775 AC_SUBST(RANLIB)
3776
3777 AC_SUBST(SXEMACS_CC)
3778 AC_SUBST(SXE_CFLAGS)
3779
3780 SXE_SUBST_CORE_OBJS()
3781
3782 SXE_SUBST_CRUFT_OBJS
3783
3784 dnl The default is yes
3785 if test "$with_prefix" = "yes"; then
3786   AC_DEFINE([PREFIX_USER_DEFINED], [1], [Description here!])
3787 fi
3788
3789 dnl Should this stay even though --with-site-modules is no longer an
3790 dnl option?  It is used in emacs.c for when the -no-site-modules cmd line
3791 dnl opt is used.  That cmd line opt definitely has usefullness.  Sebastian?
3792 dnl --SY.
3793 dnl The default is yes
3794 if test "$with_site_modules" = "no"; then
3795   AC_DEFINE([INHIBIT_SITE_MODULES], [1], [Description here!])
3796 fi
3797
3798 dnl SXE_SPACE(ac_configure_args, $ac_configure_args)
3799 AC_DEFINE_UNQUOTED([EMACS_CONFIGURATION], ["$ac_cv_build"], [Description here!])
3800 AC_DEFINE_UNQUOTED([EMACS_CONFIG_OPTIONS], ["$ac_configure_args"], [Description here!])
3801
3802 AC_SUBST([srcdir_equals_blddir_p])
3803
3804 dnl Following are deprecated
3805 null_string=""
3806 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE], [$null_string], [Description here!])
3807 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE_AUX], [$null_string], [Description here!])
3808 AC_DEFINE_UNQUOTED([C_SWITCH_X_SITE], [$null_string], [Description here!])
3809 AC_DEFINE_UNQUOTED([LD_SWITCH_SITE], [$null_string], [Description here!])
3810 AC_DEFINE_UNQUOTED([C_SWITCH_SITE], [$null_string], [Description here!])
3811
3812 dnl Note: as a general rule, *only* define things here that are not
3813 dnl autodetected.  For things that are autodetected, define them
3814 dnl at the point where the autodetection occurs or would occur,
3815 dnl so that the user gets immediate feedback on the results of the
3816 dnl autodetection.
3817
3818 if test "$GNU_MALLOC" = "yes"; then
3819         AC_DEFINE([GNU_MALLOC], [1], [Description here!])
3820         SXE_ADD_MEMALLOC_OBJS(vm-limit.o)
3821         if test "$doug_lea_malloc" != "yes"; then
3822                 SXE_ADD_MEMALLOC_OBJS(gmalloc.o)
3823         fi
3824         if test "$with_error_checking_malloc" = "yes"; then
3825                 dnl SXE_ADD_MEMALLOC_OBJS(free-hook.o)
3826                 :
3827         fi
3828 elif test "$with_system_malloc" = "yes" -o "$system_malloc" = "yes"; then
3829         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3830         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3831 elif test "$with_debug_malloc"  = "yes"; then
3832         AC_DEFINE([USE_DEBUG_MALLOC], [1], [Description here!])
3833         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3834         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3835         SXE_APPEND(-ldmalloc, MEMALLOC_LIBS)
3836 else
3837         SXE_ADD_MEMALLOC_OBJS([malloc.o])
3838 fi
3839 test "$GCC" = "yes" && \
3840         AC_DEFINE([USE_GCC], [1], [Description here!])
3841 test "$with_external_widget" = "yes" && \
3842         AC_DEFINE([EXTERNAL_WIDGET], [1], [Description here!])
3843 test "$with_quick_build" = "yes" && \
3844         AC_DEFINE([QUICK_BUILD], [1], [Description here!])
3845 if test "$with_purify" = "yes"; then
3846         AC_DEFINE([PURIFY], [1], [Description here!])
3847         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3848 fi
3849 if test "$with_quantify" = "yes"; then
3850         AC_DEFINE([QUANTIFY], [1], [Description here!])
3851         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3852 fi
3853 test "$with_pop" = "yes" && \
3854         AC_DEFINE([MAIL_USE_POP], [1], [Description here!])
3855 test "$with_hesiod" = "yes" && \
3856         AC_DEFINE([HESIOD], [1], [Description here!])
3857 test "$with_regex_malloc" = "yes" && \
3858         AC_DEFINE([REGEX_MALLOC], [1], [Description here!])
3859 test "$with_ipv6_cname" = "yes" && \
3860         AC_DEFINE([IPV6_CANONICALIZE], [1], [Description here!])
3861 if test "$with_pdump" = "yes"; then
3862         AC_DEFINE([PDUMP], [1], [Description here!])    dnl deprecated!
3863         AC_DEFINE([WITH_PDUMP], [1], [Description here!])
3864 fi
3865
3866 AM_CONDITIONAL([WITH_EXTW], [test "$with_external_widget" = "yes"])
3867 AM_CONDITIONAL([WITH_PDUMP], [test "$with_pdump" = "yes"])
3868 AC_SUBST([MEMALLOC_LIBS])
3869 SXE_SUBST_MEMALLOC_OBJS
3870
3871
3872 AC_DEFINE_UNQUOTED([USER_FULL_NAME], [pw->pw_gecos], [dnl
3873         USER_FULL_NAME returns a string that is the user's full name.
3874         It can assume that the variable `pw' points to the password file
3875         entry for this user.
3876
3877         At some sites, the pw_gecos field contains the user's full name.
3878         If neither this nor any other field contains the right thing, use
3879         pw_name, giving the user's login name, since that is better than
3880         nothing.])
3881
3882 AC_DEFINE([SIGTYPE], [RETSIGTYPE], [SIGTYPE is the macro we actually use])
3883 AC_DEFINE([SIGRETURN], [return], [SIGTYPE is the macro we actually use])
3884
3885 ## finally, redefine VERSION; this has to be done after all tests on C sources
3886 ## were run because otherwise the symbol VERSION would be defined twice and
3887 ## the C compiler would warn, sigh, and due to this stupid -Werror flag we ...
3888 ## tadadada ... will fail to run _any_ C test successfully
3889 AC_DEFINE_UNQUOTED([VERSION], ["$version"], [Version of SXEmacs.])
3890
3891 AH_TOP([
3892 #ifndef INCLUDED_sxe_config_h_
3893 #define INCLUDED_sxe_config_h_
3894
3895 #ifndef NOT_C_CODE
3896 #if defined (__GNUC__)
3897 #define alloca __builtin_alloca
3898 #elif defined __DECC
3899 #include <alloca.h>
3900 #pragma intrinsic(alloca)
3901 #elif defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3902 /* defer #include to end of file */
3903 #elif defined HAVE_ALLOCA_H
3904 #include <alloca.h>
3905 #elif defined(_AIX)
3906 #pragma alloca
3907 #elif ! defined (alloca)
3908 void *alloca();
3909 #endif
3910 #endif  /* C code */
3911 ])
3912
3913 AH_BOTTOM([
3914 /* The configuration script may define `opsysfile' to be the name of
3915    the s/...h file that describes your operating system.
3916    The file name is chosen based on the configuration name. */
3917
3918 #ifdef config_opsysfile
3919 #include config_opsysfile
3920 #endif
3921
3922 /* The configuration script may define `machfile' to be the name of
3923    the m/...h file that describes the machine you are using.
3924    The file name is chosen based on the configuration name. */
3925
3926 #ifdef config_machfile
3927 #include config_machfile
3928 #endif
3929
3930 /* basic system calls */
3931 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3932 # define ENCAPSULATE_READ
3933 # define ENCAPSULATE_WRITE
3934 #endif
3935 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3936 # define ENCAPSULATE_OPEN
3937 #endif
3938 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3939 # define ENCAPSULATE_CLOSE
3940 #endif
3941 /* stdio calls */
3942 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3943 # define ENCAPSULATE_FREAD
3944 # define ENCAPSULATE_FWRITE
3945 #endif
3946 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3947 # define ENCAPSULATE_FOPEN
3948 #endif
3949 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3950 # define ENCAPSULATE_FCLOSE
3951 #endif
3952
3953 #if defined (HAVE_SOCKS) && !defined (DO_NOT_SOCKSIFY)
3954 #define accept Raccept
3955 #define bind Rbind
3956 #define connect Rconnect
3957 #define getsockname Rgetsockname
3958 #define listen Rlisten
3959 #endif                          /* HAVE_SOCKS && !DO_NOT_SOCKSIFY */
3960
3961 #ifndef NOT_C_CODE              /* Actually means C or C++ */
3962 # if defined (__cplusplus)
3963 /* Avoid C++ keywords used as ordinary C identifiers */
3964 #  define class c_class
3965 #  define new   c_new
3966 #  define this  c_this
3967 #  define catch c_catch
3968 #  define EXTERN_C extern "C"
3969 # else                          /* C code */
3970 #  define EXTERN_C extern
3971 # endif
3972 #endif                          /* C or C++ */
3973 /* Strictly speaking, only int or unsigned int are valid types in a
3974    bitfield.  In practice, we would like to use enums as bitfields.
3975    The following should just result in warning avoidance:
3976    warning: nonportable bit-field type */
3977 #ifdef __GNUC__
3978 #define enum_field(enumeration_type) enum enumeration_type
3979 #else
3980 #define enum_field(enumeration_type) unsigned int
3981 #endif
3982
3983 #ifndef NOT_C_CODE
3984 #if defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3985 /* icc's alloca.h pulls in <features.h>,
3986    but that must be done after _GNU_SOURCE and friends are defined */
3987 #include <alloca.h>
3988 #endif
3989 #endif                          /* C code */
3990
3991 #endif  /* INCLUDED_sxe_config_h_ */
3992 ])
3993
3994
3995 dnl -------------------------------------------------------------------------
3996 dnl -------------------------------
3997 dnl Report on what we decided to do
3998 dnl -------------------------------
3999
4000 dnl #### We should tag this as the _build_ environment.
4001 dnl Before doing that, though, must check if tools care about line 1.
4002
4003 (
4004 dnl /etc/osversion is on SONY NEWS-OS
4005 if test -f /etc/osversion; then dnl SONY NEWS-OS
4006   echo "osversion: `cat /etc/osversion`"
4007 else
4008   echo "uname -a: `uname -a`"
4009 fi
4010 echo ""
4011 echo "$0 $ac_configure_args"
4012 ) > Installation
4013
4014 if test ! -z ${emacs_beta_version} ; then
4015   if test -z "${emacs_is_beta}" ; then
4016         sxemacs_betaname=".${emacs_beta_version}"
4017   else
4018         sxemacs_betaname="-b${emacs_beta_version}"
4019   fi
4020 else
4021   sxemacs_betaname=""
4022 fi
4023
4024 dnl -----------------
4025 dnl Talking LFSL now!
4026 dnl -----------------
4027
4028 dnl -----------------------------------
4029 dnl Now generate config.h and Makefiles
4030 dnl -----------------------------------
4031
4032 dnl This has to be called in order for this variable to get into config.status
4033 AC_SUBST([internal_makefile_list])
4034 # Remove any trailing slashes in these variables.
4035 if test -n "$prefix"; then
4036         prefix=`echo '' "$prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4037 fi
4038 if test -n "$exec_prefix"; then
4039         exec_prefix=`echo '' "$exec_prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4040 fi
4041
4042 make_ifeq="ifeq"
4043 make_endif="endif"
4044 make_else="else"
4045 AC_SUBST([make_ifeq])
4046 AC_SUBST([make_endif])
4047 AC_SUBST([make_else])
4048
4049 dnl Coupla things needed for subst'ing into the sxemacs.desktop file
4050 ABS_PROGNAME=${prefix}/bin/${PROGNAME}
4051 ABS_ETCDIR=${ETCDIR}
4052 SXE_CANONICALISE_PATH([ABS_PROGNAME])
4053 SXE_CANONICALISE_PATH([ABS_ETCDIR])
4054 AC_SUBST([ABS_PROGNAME])
4055 AC_SUBST([ABS_ETCDIR])
4056
4057 AC_CONFIG_FILES([src/sxe-paths.h]) 
4058 AC_CONFIG_FILES([Makefile])
4059 AC_CONFIG_FILES([lib-src/Makefile])
4060 AC_CONFIG_FILES([src/Makefile])
4061 AC_CONFIG_FILES([src/ui/Makefile])
4062 AC_CONFIG_FILES([src/ui/TTY/Makefile])
4063 AC_CONFIG_FILES([src/ui/lwlib/Makefile])
4064 AC_CONFIG_FILES([src/ui/X11/Makefile])
4065 AC_CONFIG_FILES([src/events/Makefile])
4066 AC_CONFIG_FILES([src/ent/Makefile])
4067 AC_CONFIG_FILES([src/media/Makefile])
4068 AC_CONFIG_FILES([src/mem/Makefile])
4069 AC_CONFIG_FILES([src/database/Makefile])
4070 AC_CONFIG_FILES([src/mule/Makefile])
4071 AC_CONFIG_FILES([src/.gdbinit:src/gdbinit])
4072 AC_CONFIG_FILES([src/.dbxrc:src/dbxrc])
4073 AC_CONFIG_FILES([lisp/Makefile])
4074 AC_CONFIG_FILES([info/Makefile])
4075 AC_CONFIG_FILES([tests/Makefile])
4076 AC_CONFIG_FILES([modules/Makefile])
4077 AC_CONFIG_FILES([etc/Makefile])
4078 AC_CONFIG_FILES([etc/sxemacs.desktop])
4079 AC_CONFIG_FILES([sxemacs.pc])
4080 AC_CONFIG_LINKS([.sxemacs.source.tree:])
4081
4082 AC_OUTPUT
4083 SXE_SUMMARY