Merge branch 'master' into njsf-cov
[sxemacs] / configure.ac
1 dnl SXEmacs config script for autoconf >=2.60
2 dnl -------------------------------------------------------------------------
3 dnl Overrides of standard autoconf macros.
4
5 m4_include([sxemacs_version.m4])
6
7 dnl -------------------------------------------------------------------------
8 dnl Autoconf startup.
9 dnl -------------------------------------------------------------------------
10
11 AC_PREREQ([2.62])
12 AC_INIT([SXEmacs], [SXEM4CS_VERSION], [http://issues.sxemacs.org/])
13 AC_CONFIG_HEADER([src/config.h])
14 AC_CONFIG_SRCDIR([src/lisp.h])
15 AC_CONFIG_AUX_DIR([.])
16 AC_CONFIG_MACRO_DIR([m4])
17
18 dnl -------------------------------------------------------------------------
19 dnl Local copyright notices.
20 dnl -------------------------------------------------------------------------
21
22 AC_COPYRIGHT(
23 [#### Configuration script for SXEmacs.  Largely divergent from FSF.
24 #### Guess values for system-dependent variables and create Makefiles.
25 #### Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
26 #### Copyright (C) 1993-1995 Board of Trustees, University of Illinois.
27 #### Copyright (C) 1996, 1997 Sun Microsystems, Inc.
28 #### Copyright (C) 1995, 1996, 2002, 2003, 2004 Ben Wing.
29 #### Copyright (C) 2000, 2001 Martin Buchholz.
30 #### Copyright (C) 1998, 1999 J. Kean Johnston.
31 #### Copyright (C) 2005 Malcolm Purvis.
32 #### Copyright (C) 2005, 2006, 2007 Steve Youngs.
33 #### Copyright (C) 2006, 2007, 2008 Sebastian Freundt.
34 #### Copyright (C) 2007, 2010, 2011 Nelson Ferreira
35
36 ### Don't edit this script!
37 ### This script was automatically generated by the `autoconf' program
38 ### from the file `./configure.ac'.
39 ### To rebuild it, execute the command
40 ###     autoconf
41 ### in the this directory.
42
43 ### This file is part of SXEmacs.
44
45 ### SXEmacs is free software: you can redistribute it and/or modify
46 ### it under the terms of the GNU General Public License as published by
47 ### the Free Software Foundation, either version 3 of the License, or
48 ### (at your option) any later version.
49
50 ### SXEmacs is distributed in the hope that it will be useful,
51 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
52 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
53 ### GNU General Public License for more details.
54
55 ### You should have received a copy of the GNU General Public License
56 ### along with this program.  If not, see <http://www.gnu.org/licenses/>.
57
58 ### Parts of SXEmacs are also distributed under a BSD-like licence.
59 ### Check file headers for more information.
60
61 ### For usage, run `./configure --help'
62 ### For more detailed information on building and installing SXEmacs,
63 ### read the file `INSTALL'.
64 ###
65 ### If configure succeeds, it leaves its status in config.status.
66 ### A log of configuration tests can be found in config.log.
67 ### If configure fails after disturbing the status quo,
68 ###     config.status is removed.
69 ])
70
71 AC_REVISION([SXEM4CS_GIT_VERSION])
72
73
74 dnl Build Options
75 dnl =============
76 OG_OPTION_GROUP(Build Options)
77
78 OG_ARG_WITH([prefix],
79         AS_HELP_STRING([--with-prefix@<:@=ARG@:>@],
80                 [Whether to compile the value of --prefix into the executable.]),
81         [yes], [YES (DO compile prefix into the executable)])
82
83 OG_ARG_WITH([sitemoduledir],
84         AS_HELP_STRING([--with-sitemoduledir=DIR],
85                 [Directory for loadable modules that are not part of
86                 the SXEmacs core distribution (3rd party emodules).]),
87         [none], [$prefix/lib/sxemacs/$build/site-modules], [og_any],
88         [AC_DEFINE([SITEMODULEDIR_USER_DEFINED], [1],
89                 [sitemoduledir has been specified on the configure line.])],
90         [with_sitemoduledir='${libdir}/${PROGNAME}/${configuration}/site-modules'])
91
92 OG_ARG_WITH([site-includes],
93         AS_HELP_STRING([--with-site-includes=PATH],
94                 [Colon separated list of _extra_ include directories
95                 to search for headers.]),
96         [none], [None], [og_any])
97
98 OG_ARG_WITH([site-libraries],
99         AS_HELP_STRING([--with-site-libraries=PATH],
100                 [Colon separated list of extra lib directories to
101                 search for libraries. (Default: None)]),
102         [none], [None], [og_any])
103
104 OG_ARG_WITH([site-prefixes],
105         AS_HELP_STRING([--with-site-prefixes=PATH],
106                 [Colon separated list of extra prefix directories to
107                 search for headers and libraries.  Sometimes this can
108                 be used instead of specifying both
109                 --with-site-includes and
110                 --with-site-libraries.]),
111         [none], [None], [og_any])
112
113 OG_ARG_WITH([lispdir],
114         AS_HELP_STRING([--with-lispdir=DIR],
115                 [Where to install core lisp files.]),
116         [none], [$prefix/lib/sxemacs-$version/lisp], [og_any],
117         [AC_DEFINE([LISPDIR_USER_DEFINED], [1],
118                 [lispdir has been specified on the configure line.])],
119         [with_lispdir='${datadir}/${instvardir}/lisp'])
120
121 OG_ARG_WITH([archlibdir],
122         AS_HELP_STRING([--with-archlibdir=DIR],
123                 [Directory for arch-dependent files.]),
124         [none], [$prefix/lib/sxemacs-$version/$build], [og_any],
125         [AC_DEFINE([ARCHLIBDIR_USER_DEFINED], [1],
126                 [archlibdir has been specified on the configure line.])],
127         [with_archlibdir='${libdir}/${instvardir}/${configuration}'])
128
129 OG_ARG_WITH([moduledir],
130         AS_HELP_STRING([--with-moduledir=DIR],
131                 [Directory for loadable modules.]),
132         [none], [$prefix/lib/sxemacs-$version/$build/modules], [og_any],
133         [AC_DEFINE([MODULEDIR_USER_DEFINED], [1],
134                 [moduledir has been specified on the configure line.])],
135         [with_moduledir='${libdir}/${instvardir}/${configuration}/modules'])
136
137 OG_ARG_WITH([etcdir],
138         AS_HELP_STRING([--with-etcdir=DIR],
139                 []),
140         [none], [$prefix/lib/sxemacs-$version/etc], [og_any],
141         [AC_DEFINE([ETCDIR_USER_DEFINED], [1],
142                 [etcdir has been specified on the configure line.])],
143         [with_etcdir='${datadir}/${instvardir}/etc'])
144
145 OG_ARG_WITH([infopath],
146         AS_HELP_STRING([--with-infopath=PATH],
147                 [Colon separated list of directories to use as
148                 the info search path. This is not normally needed.]),
149         [none], [None], [og_any],
150         [AC_DEFINE([INFOPATH_USER_DEFINED], [1],
151                 [inforpath has been specified on the configure line.])], [])
152
153 OG_ARG_WITH([docdir],
154         AS_HELP_STRING([--with-docdir=DIR],
155                 [Where it store certain doc files (not info or man).]),
156         [none], [$prefix/lib/sxemacs-$version/$build], [og_any],
157         [AC_DEFINE([DOCDIR_USER_DEFINED], [1],
158                 [docdir has been specified on the configure line.])],
159         [with_docdir='${archlibdir}'])
160
161 OG_ARG_WITH([site-runtime-libraries],
162         AS_HELP_STRING([--with-site-runtime-libraries=PATH],
163                 [Colon separated list of directories to search for
164                 libraries at run time.  This isn't normally needed.]),
165         [none], [None], [og_any])
166
167 OG_ARG_WITH([module-path],
168         AS_HELP_STRING([--with-module-path=PATH],
169                 [Search path to the emodules directories.
170                 A colon separated list of directories. Normally, there is
171                 no need to set this.]),
172         [none], [None], [og_any],
173         [AC_DEFINE([MODULE_PATH_USER_DEFINED], [1],
174                 [module-path has been specified on the configure line.])],
175         [])
176
177 OG_ARG_WITH([package-prefix],
178         AS_HELP_STRING([--with-package-prefix=PATH],
179                 [What to use as a prefix to the system-wide package
180                 directories.  It doesn't affect the package directories
181                 under ~/.sxemacs, and is totally ignored if
182                 --with-package-path is set.
183                 Normally, you would not need to set this.]),
184         [none], [None], [og_any],
185         [AC_DEFINE([PACKAGE_PREFIX_USER_DEFINED], [1],
186                 [package-prefix has been specified on the configure line.])],
187         [])
188
189 OG_ARG_WITH([package-path],
190         AS_HELP_STRING([--with-package-path=PATH],
191                 [Search path to the package directories.
192                 This path is made up of 3 separate "path elements",
193                 each element is a colon separated list of directories,
194                 with the boundary between elements being a double
195                 colon.  The 3 path elements are for "early", "late",
196                 and "last" package directories.  If only a single
197                 element is specified it is "late".  Example:
198                 early1:early2::late1:late2::last1:last2.  Setting this
199                 overrides --with-package-prefix.  Normally, there is
200                 no need to set this.]),
201         [none], [None], [og_any],
202         [AC_DEFINE([PACKAGE_PATH_USER_DEFINED], [1],
203                 [package-path has been specified on the configure line.])],
204         [])
205
206 dnl stupid option, innit?
207 OG_ARG_WITH([quick-build],
208         AS_HELP_STRING([--with-quick-build],
209                 [Speed up the build cycle by leaving out steps where
210                 SXEmacs will still work (more or less) without them.
211                 Potentially dangerous if you don't know what you're
212                 doing. This (1) doesn't garbage-collect after loading
213                 each file during dumping, (2) doesn't automatically
214                 rebuild the DOC file (remove it by hand to get it
215                 rebuilt), (3) Removes config.h lisp.h and associated
216                 files from the dependency lists so changes to these
217                 files don't automatically cause all .c files
218                 to be rebuilt.]),
219         [no], [No], [])
220
221 OG_ARG_WITH([compiler],
222         AS_HELP_STRING([--with-compiler=COMPILER],
223                 [Do not use me! Use CC=<your-compiler> instead!
224                 C compiler to use.
225                 Note: SXEmacs _CANNOT_ be built with a C++ compiler.]),
226         [none], [None], [og_any], [
227                 OG_WARN_OBSOLETE_OPTION([--with-compiler], [CC=<your-cc>])])
228
229 OG_ARG_WITH([cflags],
230         AS_HELP_STRING([--with-cflags],
231                 [Do not use me! Use CFLAGS=<your flags> instead!
232                 Compiler flags (such as -O); setting this overrides
233                 all default compiler flags except those that control
234                 warnings. Most people wouldn't need to set
235                 this.]),
236         [none], [None], [og_any], [
237                 OG_WARN_OBSOLETE_OPTION([--with-cflags], [CFLAGS=<your flags>])])
238
239 OG_ARG_WITH([cflags-warning],
240         AS_HELP_STRING([--with-cflags-warning],
241                 [Do not use me! I will disappear soon!]),
242         [none], [None], [og_any])
243
244 OG_ARG_WITH([cpp],
245         AS_HELP_STRING([--with-cpp],
246                 [Do not use me! Use CPP=<your-cpp> instead!]),
247         [none], [None], [og_any], [
248                 OG_WARN_OBSOLETE_OPTION([--with-cpp], [CPP=<your-cpp>])
249                 CPP="$with_cpp"])
250
251 OG_ARG_WITH([cppflags],
252         AS_HELP_STRING([--with-cppflags],
253                 [Do not use me! Use CPPFLAGS=<your flags> instead!]),
254         [none], [None], [og_any], [
255                 OG_WARN_OBSOLETE_OPTION([--with-cppflags], [CPPFLAGS=<your flags>])
256                 CPPFLAGS="$with_cppflags"])
257
258 OG_ARG_WITH([libs],
259         AS_HELP_STRING([--with-libs],
260                 [Do not use me! Use LIBS=<your libs> instead!]),
261         [none], [None], [og_any], [
262                 OG_WARN_OBSOLETE_OPTION([--with-libs], [LIBS=<your libs>])
263                 LIBS="$with_libs"])
264
265 OG_ARG_WITH([ldflags],
266         AS_HELP_STRING([--with-ldflags],
267                 [Do not use me! Use LDFLAGS=<your flags> instead!]),
268         [none], [None], [og_any], [
269                 OG_WARN_OBSOLETE_OPTION([--with-ldflags], [LDFLAGS=<your flags>])
270                 LDFLAGS="$with_ldflags"])
271
272 OG_ARG_WITH([ridiculously-aggressive-optimisations],
273         AS_HELP_STRING([--with-ridiculously-aggressive-optimisations],
274                 [Whether to try all possible optimisations]),
275         [no], [No])
276
277 OG_ARG_WITH([maximum-warning-output],
278         AS_HELP_STRING([--with-maximum-warning-output],
279                 [Whether to output as many warnings as possible]),
280         [no], [No])
281
282
283 dnl Internal Options
284 dnl ================
285 OG_OPTION_GROUP(Internal Options)
286
287 OG_ARG_WITH([dynamic],
288         AS_HELP_STRING([--with-dynamic],
289                 [Link dynamically if supported by system.
290                 'NO' forces static linking.]),
291         [auto], [Autodetect])
292
293 OG_ARG_WITH([rel-alloc],
294         AS_HELP_STRING([--with-rel-alloc],
295                 [Relocating allocator for buffers.]),
296         [default], [Autodetect])
297
298 OG_ARG_WITH([dlmalloc],
299         AS_HELP_STRING([--with-dlmalloc],
300                 [Use Doug Lea's malloc.]),
301         [default], [Autodetect])
302
303 OG_ARG_WITH([debug-malloc],
304         AS_HELP_STRING([--with-debug-malloc],
305                 [Use a debugging malloc.]),
306         [no], [NO])
307
308 OG_ARG_WITH([system-malloc],
309         AS_HELP_STRING([--with-system-malloc],
310                 [Use a system malloc instead of GNU.]),
311         [default], [YES if using quantify or purify; NO otherwise])
312
313 OG_ARG_WITH([regex-malloc],
314         AS_HELP_STRING([--with-regex-malloc],
315                 [Use malloc for regex failure stack.]),
316         [yes], [YES])
317
318 OG_ARG_WITH([ffi],
319         AS_HELP_STRING([--with-ffi],
320                 [Compile in experimental support for
321                 Foreign Function Interface.]),
322         [yes], [YES])
323
324 OG_ARG_WITH([module-support],
325         AS_HELP_STRING([--with-module-support],
326                 [Compile in experimental support for dynamically
327                 loaded libraries (Dynamic Shared Objects).]),
328         [yes], [YES if shared libraries are supported])
329
330 OG_MULTIARG_WITH([modules], [dnl
331         AS_HELP_STRING([--with-modules], [
332                 Which modules to compile and install.])],
333         [all], [all], [dnl
334         OG_MULTIARG_ITEM([ase], [ase], [algebraic structures])
335         OG_MULTIARG_ITEM([cl], [cl], [fast Common Lisp implementation])
336 ])
337
338 OG_MULTIARG_WITH([static-modules], [dnl
339         AS_HELP_STRING([--with-static-modules], [
340                 Which modules to compile as archives to link their
341                 functionality statically into the SXEmacs binary.])
342         AS_HELP_STRING([], [
343                 You should regard this as a proof of concept.])],
344         [none], [NONE], [dnl
345         OG_MULTIARG_ITEM([ase], [ase], [algebraic structures])
346         OG_MULTIARG_ITEM([cl], [cl], [fast Common Lisp implementation])
347 ])
348
349 dnl _OG_MULTIARG_ITEM([ent], [int], [int], [native integer arithmetics])
350 dnl _OG_MULTIARG_ITEM([ent], [fpfloat], [fpfloat], [native fixed precision floats])
351 dnl _OG_MULTIARG_ITEM([ent], [indef], [indef], [abstract indefinites])
352 OG_MULTIARG_WITH([ent], [dnl
353         AS_HELP_STRING([--with-ent], [
354                 Compile in support for enhanced number types,
355                 using internal and external libraries.])],
356         [none int fpfloat indef gmp], [int fpfloat indef gmp], [dnl
357         OG_MULTIARG_ITEM([int], [int], [native integer arithmetics])
358         OG_MULTIARG_ITEM([fpfloat], [fpfloat], [native fixed precision floats])
359         OG_MULTIARG_ITEM([indef], [indef], [native abstract indefinites])
360         OG_MULTIARG_ITEM([gmp], [GMP], [GNU multiprecision library])
361         OG_MULTIARG_ITEM([mpfr], [MPFR], [Multiprecision Floats with correct Rounding])
362         OG_MULTIARG_ITEM([mpc], [MPC], [Multiprecision Complex numbers (C/R)])
363         OG_MULTIARG_ITEM([pseug], [pseudoG], [native Gaussian Numbers (Z+Z)])
364         OG_MULTIARG_ITEM([pseuc], [pseudoC], [native Complex Numbers (C/R)])
365         OG_MULTIARG_ITEM([quatern], [Quaternions], [native Quaternions (Z+Z+Z+Z)])
366         OG_MULTIARG_ITEM([ecm], [ECM], [factorisations per Elliptic Curve Method])
367         OG_MULTIARG_MUTEX([mpz], [Arbitrary precision integers], [gmp mp])
368         OG_MULTIARG_MUTEX([complex], [Complex numbers as in C/R], [mpc pseuc])
369 ])
370
371 OG_MULTIARG_WITH([ase], [dnl
372         AS_HELP_STRING([--with-ase], [
373                 Compile in support for algebraic structures based on ENT,
374                 using internal and external libraries.])],
375         [none], [none], [dnl
376         OG_MULTIARG_ITEM([cart], [cartesian], [Cartesian Products of ENT and ASE objects])
377         OG_MULTIARG_ITEM([dig], [digraph], [Directed 2-ary Graphs with Colours])
378         OG_MULTIARG_ITEM([intv], [interval], [Intervals of comparable or normed ENT and ASE objects])
379         OG_MULTIARG_ITEM([metric], [metric], [Metric Spaces])
380         OG_MULTIARG_ITEM([nbhood], [neighbourhood], [Neighbourhoods of comparable or normed ENT and ASE objects])
381         OG_MULTIARG_ITEM([perm], [permutation], [Permutations])
382         OG_MULTIARG_ITEM([resclass], [resclass], [Residue Class Rings and Classes])
383 ])
384
385 OG_ARG_WITH([compre],
386         AS_HELP_STRING([--with-compre],[
387                 Provide exhaustive caching of compiled regexps. This will
388                 mean that frequently used regexps will be faster to use
389                 since the compile step will not be needed after first use.]),
390         [yes], [By default do cache compiled regexps.])
391
392 OG_MULTIARG_WITH([experimental-features], [dnl
393         AS_HELP_STRING([--with-experimental-features], [
394                 Activate experimental code, that is code which is
395                 considered useful but whose effects in conjunction with
396                 the variety of elisp projects cannot be foreseen.])
397         AS_HELP_STRING([], [
398                 During the beta phase of SXEmacs all experimental code
399                 will be unconditionally enabled.  However, if you plan
400                 to use this SXEmacs in a production environment you
401                 can switch off some portions.])],
402         [all nobdwgc], [ALL but bdwgc], [dnl
403         OG_MULTIARG_ITEM([bdwgc], [bdwgc], [the Boehm-Demers-Weiser collector])
404         OG_MULTIARG_ITEM([asyneq], [asyneq], [asynchronous event queues])
405 ])
406         dnl stop that pom stuff
407         dnl OG_MULTIARG_ITEM([pom], [pom], [thread-safe objects])
408
409 OG_ARG_WITH([event-driver],
410         AS_HELP_STRING([--with-event-driver], [
411                 Which event routines to use.
412                 Events control the way how external `sources' are
413                 incorporated into SXEmacs.  Sources hereby are user inputs,
414                 such as key strokes, mouse moves, pedalling, slapping the
415                 monitor, etc.; but there are manifold further sources, such as
416                 process signals, data on a socket, focussing an X window,
417                 lapsing a timeout, and so forth.])
418 AS_HELP_STRING([], [
419                 An event driver can cope with all (or most) of these in a
420                 uniform and abstract way.  SXEmacs can either be driven
421                 using its built-in event handlers, or using one of the
422                 external systems.]),
423         [auto], [Autodetect], [auto built-in libevent liboop glib])
424
425
426 dnl Debugging Options
427 dnl ================
428 OG_OPTION_GROUP(Debugging Options)
429
430 OG_ARG_WITH([debug],
431         AS_HELP_STRING([--with-debug],
432                 [Compile with extra debugging code.
433                 This will turn on: --with-assertions
434                 and --with-memory-usage-stats.]),
435         [yes], [YES for beta; NO for release])
436
437 OG_ARG_WITH([memory-usage-stats],
438         AS_HELP_STRING([--with-memory-usage-stats],
439                 [Compile with support for statistics about memory usage at runtime.]),
440         [yes], [YES for beta])
441
442 OG_MULTIARG_WITH([error-checking], [dnl
443         AS_HELP_STRING([--with-error-checking=TYPE], [
444                 Compile with internal error-checking added.])
445         AS_HELP_STRING([], [
446                 WARNING: Causes noticeable loss of speed!])],
447         [all], [ALL for beta; NONE otherwise], [dnl
448         OG_MULTIARG_ITEM([extents], [extents], [checks on extents])
449         OG_MULTIARG_ITEM([types], [types], [checks on types])
450         OG_MULTIARG_ITEM([gc], [gc], [checks on garbage collection])
451         OG_MULTIARG_ITEM([malloc], [malloc], [checks on memory allocation])
452         OG_MULTIARG_ITEM([byte_code], [byte_code], [checks on byte compiled code])
453         OG_MULTIARG_ITEM([bufpos], [bufpos], [checks on buffer position])
454         OG_MULTIARG_ITEM([glyphs], [glyphs], [checks on glyph data])
455         OG_MULTIARG_ITEM([stack], [stack], [checks on stack barriers])
456         OG_MULTIARG_ITEM([malldbg], [malldbg], [malloc debugging code])
457 ])
458
459 OG_ARG_WITH([purify],
460         AS_HELP_STRING([--with-purify],
461                 [Add support for memory debugging using Purify.]),
462         [no], [NO])
463
464 OG_ARG_WITH([quantify],
465         AS_HELP_STRING([--with-quantify],
466                 [Add support for performance debugging using Quantify.]),
467         [no], [NO])
468
469
470 dnl Window System Features
471 dnl ======================
472 OG_OPTION_GROUP(Window System Features)
473
474 OG_ARG_WITH([toolbars],
475         AS_HELP_STRING([--with-toolbars],
476                 [Compile in toolbar support.]),
477         [yes], [YES])
478
479 OG_ARG_WITH([external-widget],
480         AS_HELP_STRING([--with-external-widget],
481                 [Enable the "external widget" interface,
482                 which allows a SXEmacs frame to appear as a widget in
483                 another application.
484                 To date, we haven't heard of anyone who has actually done this.
485                 Consider this EXPERIMENTAL.]),
486         [no], [NO])
487
488 OG_ARG_WITH([menubars],
489         AS_HELP_STRING([--with-menubars=TYPE],
490                 [Type of menubars to use.  The Lucid menubars emulate
491                 Motif (mostly) but are faster.]),
492         [lucid], [Lucid], [lucid no])
493
494 OG_ARG_WITH([scrollbars],
495         AS_HELP_STRING([--with-scrollbars=TYPE],
496                 [Type of scrollbars to use.
497                 *WARNING*  The Motif scrollbars are currently broken.]),
498         [lucid], [Lucid], [lucid motif athena no])
499
500 OG_ARG_WITH([dialogs],
501         AS_HELP_STRING([--with-dialogs=TYPE],
502                 [Type of dialog boxes to use.  Athena dialogs will
503                  be used if Athena can be found.]),
504         [athena], [], [athena motif no])
505
506 OG_ARG_WITH([widgets],
507         AS_HELP_STRING([--with-widgets=TYPE],
508                 [Type of native widgets to use.  Athena widgets will
509                 be used if Athena can be found.]),
510         [athena], [], [athena motif no])
511
512 OG_ARG_WITH([athena],
513         AS_HELP_STRING([--with-athena=TYPE],
514                 [Type of Athena widgets to use.]),
515         [auto], [Autodetect], [auto xaw 3d next 95 xpm no])
516
517 OG_ARG_WITH([xim],
518         AS_HELP_STRING([--with-xim],
519                 [Type of Mule input method to use.]),
520         [auto], [Autodetect], [yes no xlib motif])
521
522 OG_ARG_WITH([wmcommand],
523         AS_HELP_STRING([--with-wmcommand],
524                 [Compile with realized leader window which will
525                 keep the WM_COMMAND property.]),
526         [yes], [YES])
527
528 OG_ARG_WITH([xmu],
529         AS_HELP_STRING([--with-xmu],
530                 [For those unfortunates whose vendors don't ship Xmu.]),
531         [auto], [Autodetect])
532
533 OG_ARG_WITH([xfs],
534         AS_HELP_STRING([--with-xfs],
535                 [Compile with XFontSet support for internationalized
536                 menubar.  Incompatible with `--with-xim=motif'.
537                 `--with-menubars=lucid' (the default) is desirable.]),
538         [no], [NO])
539
540 dnl TTY Options
541 dnl ================
542 OG_OPTION_GROUP(TTY options)
543
544 OG_ARG_WITH([tty],
545         AS_HELP_STRING([--with-tty],
546                 [Add support for ttys.]),
547         [auto], [Autodetect])
548
549 OG_ARG_WITH([ncurses],
550         AS_HELP_STRING([--with-ncurses],
551                 [Use the ncurses library for tty support.]),
552         [auto], [Autodetect])
553
554 OG_ARG_WITH([curses],
555         AS_HELP_STRING([--with-curses],
556                 [Use the curses library for tty support.]),
557         [auto], [Autodetect])
558
559 OG_ARG_WITH([terminfo],
560         AS_HELP_STRING([--with-terminfo],
561                 [Use the terminfo library for tty support.]),
562         [auto], [Autodetect])
563
564 OG_ARG_WITH([termlib],
565         AS_HELP_STRING([--with-termlib],
566                 [Use the termlib library for tty support.]),
567         [auto], [Autodetect])
568
569 OG_ARG_WITH([termcap],
570         AS_HELP_STRING([--with-termcap],
571                 [Use the termcap library for tty support.]),
572         [auto], [Autodetect])
573
574
575 OG_ARG_WITH([gpm],
576         AS_HELP_STRING([--with-gpm],
577                 [Compile in GPM mouse support for ttys.]),
578         [auto], [Autodetect])
579
580
581 dnl Database Options
582 dnl ================
583 OG_OPTION_GROUP(Database options)
584
585 OG_MULTIARG_WITH([database], [dnl
586         AS_HELP_STRING([--with-database=TYPE],
587                 [Compile with database support.])],
588         [auto], [Autodetect], [dnl
589         OG_MULTIARG_ITEM([berkdb], [berkdb], [Berkeley DB support])
590         OG_MULTIARG_ITEM([dbm], [dbm], [DBM database support])
591         OG_MULTIARG_ITEM([gdbm], [gdbm], [GNU DBM support])
592 ])
593
594 OG_ARG_WITH([ldap],
595         AS_HELP_STRING([--with-ldap],
596                 [Compile with support for the LDAP protocol.]),
597         [no], [NO])
598
599 OG_ARG_WITH([postgresql],
600         AS_HELP_STRING([--with-postgresql],
601                 [Compile with support for the PostgreSQL RDBMS.]),
602         [yes], [Autodetect])
603
604
605 dnl Multimedia Options
606 dnl ==================
607 OG_OPTION_GROUP(Multimedia options)
608
609 OG_MULTIARG_WITH([image], [dnl
610         AS_HELP_STRING([--with-image=TYPE],
611                 [Compile with image support.])],
612         [auto], [Autodetect all image support], [dnl
613         OG_MULTIARG_ITEM([gif], [GIF], [GIF image format])
614         OG_MULTIARG_ITEM([xpm], [XPM], [X PixMap image format])
615         OG_MULTIARG_ITEM([png], [PNG], [Portable Network Graphic format])
616         OG_MULTIARG_ITEM([jpeg], [JPEG], [jpeg image format])
617         OG_MULTIARG_ITEM([tiff], [TIFF], [TIFF image format])
618         OG_MULTIARG_ITEM([xface], [xface], [base64 encoded xbm])
619 ])
620
621 OG_MULTIARG_WITH([sound], [dnl
622         AS_HELP_STRING([--with-sound=TYPE],
623                 [Compile with sound support.])],
624         [auto], [Autodetect all sound support (except Pulse)], [dnl
625         OG_MULTIARG_ITEM([alsa], [ALSA], [kernel-based linux sound standard])
626         OG_MULTIARG_ITEM([ao], [ao], [generic audio output layer])
627         OG_MULTIARG_ITEM([esd], [ESD], [Enlightenment Sound Daemon])
628         OG_MULTIARG_ITEM([jack], [Jack], [a low-latency audio server])
629         OG_MULTIARG_ITEM([nas], [NAS], [Network Audio System])
630         OG_MULTIARG_ITEM([oss], [OSS], [Open Sound System])
631 ])
632
633 OG_ARG_WITH([pulseaudio],
634         AS_HELP_STRING([--with-pulseaudio],
635                 [Compile with support for the PulseAudio audio server.
636                 This has been turned off by default because of too many
637                 bugs in recent versions of PA.  Use at your own risk,
638                 YMMV, and all that.]),
639         [no], [NO])
640
641 OG_MULTIARG_WITH([media], [dnl
642         AS_HELP_STRING([--with-media=TYPE],
643                 [Compile with media stream support.])],
644         [auto], [Autodetect all media stream support libraries], [dnl
645         OG_MULTIARG_ITEM([ffmpeg], [FFmpeg], [media streams handled by ffmpeg])
646         OG_MULTIARG_ITEM([internal], [internal], [media streams handled internally])
647         OG_MULTIARG_ITEM([mad], [Mad], [media streams handled by mad])
648         OG_MULTIARG_ITEM([sndfile], [sndfile], [media streams handled by sndfile])
649         OG_MULTIARG_ITEM([sox], [SoX], [media streams handled by sox])
650         OG_MULTIARG_ITEM([magic], [magic], [file/libmagic support])
651 ])
652
653
654 dnl Cryptography Options
655 dnl ====================
656 OG_OPTION_GROUP(Cryptography options)
657
658 OG_ARG_WITH([openssl],
659         AS_HELP_STRING([--with-openssl],
660                 [Compile in experimental support for
661                 OpenSSL libcrypto and libssl.]),
662         [yes], [YES])
663
664 OG_ARG_WITH([gnutls],
665         AS_HELP_STRING([--with-gnutls],
666                 [Compile in experimental support for
667                 GnuTLS transport security.]),
668         [no], [NO])
669
670
671 dnl Networking Options
672 dnl ==================
673 OG_OPTION_GROUP(Networking options)
674
675 OG_ARG_WITH([dnet],
676         AS_HELP_STRING([--with-dnet],
677                 [Compile with support for DECnet.]),
678         [no], [NO])
679
680 OG_ARG_WITH([socks],
681         AS_HELP_STRING([--with-socks],
682                 [Compile with support for SOCKS (an Internet proxy).]),
683         [auto], [Autodetect])
684
685 OG_ARG_WITH([ipv6-cname],
686         AS_HELP_STRING([--with-ipv6-cname],
687                 [Try IPv6 information first when canonicalizing host names.
688                 This option has no effect unless system supports
689                 getaddrinfo(3) and getnameinfo(3).]),
690         [no], [NO])
691
692 OG_ARG_WITH([pop],
693         AS_HELP_STRING([--with-pop],
694                 [Support POP for mail retrieval.]),
695         [no], [NO])
696
697 OG_ARG_WITH([kerberos],
698         AS_HELP_STRING([--with-kerberos],
699                 [Support Kerberos-authenticated POP.]),
700         [no], [NO])
701
702 OG_ARG_WITH([hesiod],
703         AS_HELP_STRING([--with-hesiod],
704                 [Support Hesiod to get the POP server host.]),
705         [no], [NO])
706
707
708 dnl File-related Options
709 dnl ====================
710 OG_OPTION_GROUP(File-related options)
711
712 OG_ARG_WITH([clash-detection],
713         AS_HELP_STRING([--with-clash-detection],
714                 [Use lock files to detect multiple edits
715                 of the same file.]),
716         [no], [NO])
717
718 OG_ARG_WITH([mail-locking],
719         AS_HELP_STRING([--with-mail-locking=TYPE],
720                 [Specify the locking to be used by movemail to prevent
721                 concurrent updates of mail spool files. Valid types
722                 are `lockf'  `flock'  `file'  `locking'  `pop' or `mmdf'.]),
723         [auto], [Autodetect], [lockf flock file locking mmdf pop no])
724
725
726 dnl Internationalisation Options
727 dnl ============================
728 OG_OPTION_GROUP(Internationalisation options)
729
730 OG_ARG_WITH([mule],
731         AS_HELP_STRING([--with-mule],
732                 [Compile with Mule (MUlti-Lingual Emacs) support
733                 needed to support non-Latin-1 (including Asian)
734                 languages.]),
735         [yes], [YES])
736
737 OG_ARG_WITH([canna],
738         AS_HELP_STRING([--with-canna],
739                 [Compile with support for Canna (a Japanese input method
740                 used in conjunction with Mule support).]),
741         [auto], [Autodetect when Mule is enabled])
742
743 OG_ARG_WITH([wnn],
744         AS_HELP_STRING([--with-wnn],
745                 [Compile with support for Wnn (a multi-language input
746                 method used in conjunction with Mule support).]),
747         [auto], [Autodetect when Mule is enabled])
748
749 OG_ARG_WITH([wnn6],
750         AS_HELP_STRING([--with-wnn6],
751                 [Compile with support for the commercial package Wnn6.]),
752         [auto], [Autodetect when Mule is enabled])
753
754
755
756 dnl dnl Other Options
757 dnl dnl =============
758 dnl OG_OPTION_GROUP(Other options)
759 dnl
760
761 ## -------------------------------------------------------------------------
762 ## Check for users who regularly forget about running autoconf
763 ## -------------------------------------------------------------------------
764 if test -f $0.ac -a $0.ac -nt $0; then
765         AC_MSG_ERROR([What are you doing? RUN autoreconf NOW!!!])
766 fi
767
768 #
769 # Turn off core generation. We are already verifying the program fails, no need
770 # poluting the workspace. Of course if you are a SXEmacs developer you may want
771 # to comemnt this on occasion :-)
772 ulimit -c 0
773
774 ## initialise our nestable msg funs
775 SXE_INIT_MSG_LEVEL
776
777 dnl Small snippet to make echo -n work on solaris
778 ECHO_N= ECHO_C=
779 case `echo -n x` in
780 -n*)
781         case `echo 'x\c'` in
782         *c*)
783                 ;;
784         *)
785                 ECHO_C='\c'
786                 ;;
787         esac
788         ;;
789 *)
790         ECHO_N='-n'
791         ;;
792 esac
793
794
795 echo
796 echo "Preparing the build chain"
797 echo "========================="
798
799 ## We should brag about ourselves, no?
800 AC_DEFINE([XEMACS], [1], [Pretend to be an XEmacs])
801 AC_DEFINE([SXEMACS], [1], [Why not? It's the truth!])
802
803 dnl -------------------------------------------------------------------------
804 dnl Command line argument processing.
805 dnl -------------------------------------------------------------------------
806 dnl Check for bogus options
807 dnl -------------------------------------------------------------------------
808 SXE_CHECK_COMMAND_LINE
809
810 AM_INIT_AUTOMAKE([foreign -Wall])
811 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
812 SXE_CHECK_BUILDCHAIN
813 AC_SUBST(EGREP)
814
815 progname=$0
816 progbasename=$(basename $progname)
817 progdirname=$(dirname $progname)
818
819 ## Build Options
820 ## =============
821
822 echo
823 echo "Build and System Specific Options"
824 echo "================================="
825
826 SXE_EXPLORE_BUILD_ENVIRONMENT
827
828 dnl ----------------------------------------
829 dnl Find out which version of SXEmacs this is
830 dnl ----------------------------------------
831 AC_CHECK_PROG([have_git], [git], [yes], [no])
832 AC_MSG_CHECKING([for SXEmacs version])
833 AC_MSG_RESULT([SXEmacs SXEM4CS_VERSION])
834 dnl Must do the following first to determine verbosity for AC_DEFINE
835 if test -n "[]SXEM4CS_BETA_P[]"; then
836         beta=yes
837 else
838         beta=no
839 fi
840 : "${extra_verbose=$beta}"
841
842 AC_MSG_CHECKING([for SXEmacs patchlevel])
843 CURDIR=$(pwd)
844 cd "$sxe_srcdir"
845 if test "$have_git" = "yes"; then
846         sxemacs_git_version="$(git describe | head -1)"
847 fi
848 if test -z "$sxemacs_git_version" ; then
849         sxemacs_git_version="[]SXEM4CS_GIT_VERSION[]"
850 fi
851 AC_MSG_RESULT([$sxemacs_git_version])
852 version="$sxemacs_git_version"
853 cd "$CURDIR"
854 main_version="$sxemacs_git_version"
855 AC_DEFINE_UNQUOTED([EMACS_MAJOR_VERSION], [SXEM4CS_MAJOR_VERSION], [Description here!])
856 AC_DEFINE_UNQUOTED([EMACS_MINOR_VERSION], [SXEM4CS_MINOR_VERSION], [Description here!])
857 old_version=[]SXEM4CS_VERSION[]
858 if test -n "[]SXEM4CS_BETA_VERSION[]"; then
859         AC_MSG_CHECKING([if we are a beta version])
860         if test "$beta" = "yes"; then
861                 AC_MSG_RESULT([yes])
862                 AC_DEFINE_UNQUOTED([EMACS_BETA_VERSION], [SXEM4CS_BETA_VERSION],
863                         [Description here!])
864         else
865                 AC_MSG_RESULT([no])
866                 AC_DEFINE_UNQUOTED([EMACS_PATCH_LEVEL], [SXEM4CS_BETA_VERSION],
867                         [Description here!])
868         fi
869 fi
870 AC_DEFINE_UNQUOTED([SXEMACS_CODENAME], ["[]SXEM4CS_CODENAME[]"], [Description here!])
871 AC_DEFINE_UNQUOTED([EMACS_VERSION], ["$version"], [Description here!])
872 AC_DEFINE_UNQUOTED([SXEMACS_GIT_VERSION], ["$sxemacs_git_version"],
873         [Description here!])
874
875 PROGNAME=sxemacs
876
877 AC_DEFINE_UNQUOTED([EMACS_PROGNAME], ["$PROGNAME"], [Description here!])
878
879 ## build stuff in lib-src unconditionally
880 SXE_APPEND([lib-src], [MAKE_SUBDIR])
881 SXE_APPEND([lib-src], [INSTALL_ARCH_DEP_SUBDIR])
882
883 ## C compiler build chain
884 AC_USE_SYSTEM_EXTENSIONS
885 AC_LANG([C])
886 AS_MESSAGE([Let's look for the entire C build chain])
887 SXE_CHECK_CC
888 SXE_CHECK_CFLAGS
889
890 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
891
892 ## check machine chars
893 AS_MESSAGE([Let's have a detailed glance at your machine])
894 SXE_PROC_CPUID
895 SXE_PROC_VENDORID
896 SXE_NPROCESSORS
897 SXE_CHECK_PROC_GOODNESS
898
899
900 ## Debugging Options
901 ## =================
902 ## echo
903 ## echo "Debugging Options"
904 ## echo "================="
905
906 dnl ----------------------------------
907 dnl Error checking and debugging flags
908 dnl ----------------------------------
909 dnl Error checking default to "yes" in beta versions, to "no" in releases.
910 dnl Same goes for --enable-debug and --extra-verbosity.
911 if test "$with_error_checking_extents" = yes; then
912         have_error_checking_extents="yes"
913         AC_DEFINE([ERROR_CHECK_EXTENTS], [1], [Description here!])
914         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
915 fi
916 if test "$with_error_checking_types" = yes; then
917         have_error_checking_types="yes"
918         AC_DEFINE([ERROR_CHECK_TYPECHECK], [1], [Description here!])
919         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)],
920                 [assert (assertion)], [
921                 Make sure that all X... macros are dereferencing the correct type,
922                 and that all XSET... macros (as much as possible) are setting the
923                 correct type of structure.  Highly recommended for all
924                 development work.])
925         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
926 else
927         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)], [], [])
928 fi
929 if test "$with_error_checking_bufpos" = yes; then
930         have_error_checking_bufpos="yes"
931         AC_DEFINE([ERROR_CHECK_BUFPOS], [1], [Description here!])
932         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)],
933                 [assert (assertion)], [dnl
934                 Make sure valid buffer positions are passed to BUF_* macros])
935         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
936 else
937         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)], [], [])
938 fi
939 if test "$with_error_checking_gc" = yes; then
940         have_error_checking_gc="yes"
941         AC_DEFINE([ERROR_CHECK_GC], [1], [Description here!])
942         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)],
943                 [assert (assertion)], [dnl
944                 Attempt to catch bugs related to garbage collection
945                 (e.g. not GCPRO'ing)])
946         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
947 else
948         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)], [], [])
949 fi
950 if test "$with_error_checking_malloc" = yes; then
951         have_error_checking_malloc="yes"
952         AC_DEFINE([ERROR_CHECK_MALLOC], [1], [Description here!])
953         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
954 fi
955 if test "$with_error_checking_byte_code"  = yes; then
956         have_error_checking_byte_code="yes"
957         AC_DEFINE([ERROR_CHECK_BYTE_CODE], [1], [Description here!])
958         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
959 fi
960 if test "$with_error_checking_glyphs" = yes; then
961         have_error_checking_glyphs="yes"
962         AC_DEFINE([ERROR_CHECK_GLYPHS], [1], [Description here!])
963         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
964 fi
965
966 dnl enable_debug=yes must be set when error checking is present.  This should be
967 dnl fixed up.
968 dnl with_debug implies other options
969 if test "${with_debug:=$beta}" = "yes"; then
970         with_memory_usage_stats=yes
971         SXE_ADD_CRUFT_OBJS([debug.o])
972         SXE_ADD_CRUFT_OBJS([tests.o])
973         AC_DEFINE([DEBUG_SXEMACS], [1], [Description here!])
974 fi
975 if test "$with_memory_usage_stats" = "yes"; then
976         AC_DEFINE([MEMORY_USAGE_STATS], [1], [Description here!])
977 fi
978
979
980
981 dnl --------------------------------------------------------------
982 dnl $opsys detection complete; defaults depending on $opsys follow
983 dnl --------------------------------------------------------------
984
985
986 dnl --------------------------------------------------------------
987 dnl WooHoo! pdump is ON always and everywhere! --SY.
988 dnl --------------------------------------------------------------
989 with_pdump=yes
990
991 if test "$with_dynamic" != "no"; then
992         case "$opsys" in
993         hpux* | sunos4* )
994                 with_dynamic=no
995                 ;;
996         *)
997                 with_dynamic=yes
998                 ;;
999         esac
1000 fi
1001 if test "$with_dynamic" = "yes"; then
1002         case "$opsys" in
1003         hpux* | sunos4* | sco5 )
1004                 opsys="${opsys}-shr"
1005                 ;;
1006         decosf* )
1007                 ld_call_shared="-call_shared"
1008                 ;;
1009         darwin* )
1010                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1011                 if test "x$have_ld_no_pie" != "x"; then
1012                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1013                 fi
1014                 ;;
1015         esac
1016 else dnl "$with_dynamic" = "no"
1017         case "$opsys" in
1018         sol2 )
1019                 echo "Static linking is not supported on Solaris 2."
1020                 echo "Rerun configure without specifying --without-dynamic."
1021                 exit 1
1022                 ;;
1023         linux )
1024                 ld_call_shared="-Bstatic"
1025                 ;;
1026         decosf* )
1027                 ld_call_shared="-non_shared"
1028                 ;;
1029         darwin* )
1030                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1031                 if test "x$have_ld_no_pie" != "x"; then
1032                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1033                 fi
1034                 ;;
1035         esac
1036 fi
1037
1038 dnl Tools configuration
1039 case "$opsys" in
1040 aix* )
1041         NON_GNU_CC=xlc
1042         ;;      dnl Use xlc by default on AIX
1043 darwin )
1044         RANLIB="ranlib -c"
1045         ;;  dnl Avoid link error in lwlib-config.c
1046         ## this needs rework I think because RANLIB is provided by LT_INIT anyway
1047 esac
1048
1049 stack_trace_eye_catcher=\
1050 `echo ${PROGNAME}_${version}_${ac_cv_build} | sed 'y!@/.-!____!'`
1051 AC_DEFINE_UNQUOTED([STACK_TRACE_EYE_CATCHER], [$stack_trace_eye_catcher],
1052         [Just a very looong string to make traces more readable.])
1053
1054 dnl --------------------------------------------------
1055 dnl Determine the compiler, set up for feature testing
1056 dnl --------------------------------------------------
1057
1058 if test "$with_clash_detection" != "no"; then
1059         AC_DEFINE([CLASH_DETECTION], [1], [Description here!])
1060         SXE_ADD_CRUFT_OBJS([filelock.o])
1061 fi
1062
1063
1064 dnl what exactly do we determine here? and where is it used?
1065 dnl dnl Determine GCC version.
1066 dnl if test "$GCC" = "yes"; then
1067 dnl     AC_RUN_IFELSE([AC_LANG_SOURCE([[
1068 dnl int main ()
1069 dnl {
1070 dnl #if __GNUC__ >= 3
1071 dnl     return 11;
1072 dnl #else
1073 dnl     return 0;
1074 dnl #endif
1075 dnl }]])], [:], [dnl
1076 dnl case "$?" in
1077 dnl 11)
1078 dnl     echo "You appear to be using GCC version 3 or above."
1079 dnl     __GCC3=yes
1080 dnl     ;;
1081 dnl esac], [__GCC3=no])
1082 dnl fi
1083
1084 dnl We don't do AC_PROG_CC for SXEMACS_CC; if we can't trust these people....
1085 : ${SXEMACS_CC:="$CC"}
1086
1087 dnl Figure out what C preprocessor to use.
1088
1089 dnl On Sun systems, people sometimes set up the variable CPP
1090 dnl with a value that is a directory, not an executable at all.
1091 dnl Detect that case, and ignore that value.
1092 test -n "$CPP" -a -d "$CPP" && CPP=
1093
1094 test -n "$NON_GNU_CPP" -a "$GCC" != "yes" -a -z "$CPP" && CPP="$NON_GNU_CPP"
1095
1096 dnl --------------------------------------------------------------------
1097 dnl Compiler feature macros
1098 dnl --------------------------------------------------------------------
1099
1100
1101 dnl --------------------------------------------------------------------
1102 dnl Extract some information from the operating system and machine files
1103 dnl --------------------------------------------------------------------
1104
1105 echo "Extracting information from the machine- and system-dependent headers..."
1106
1107 SXE_CHECK_MACHARCH
1108 SXE_EXTRACT_MACHARCH_INFO
1109
1110 dnl s&m files shouldn't be required to define anything, or even to exist.
1111 dnl So we default SYSTEM_TYPE to the obvious documented standard, `uname -s`,
1112 dnl appropriately emacsulated.
1113 if test -z "$system_type"; then
1114         AC_DEFINE_UNQUOTED([SYSTEM_TYPE],
1115                 ["`uname -s | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"],
1116                 [Description here!])
1117 fi
1118
1119 dnl If the s&m files don't define a system-specific dumper, simply use pdump.
1120 dnl Sometime in the future, we'll remove all definitions of UNEXEC
1121 dnl from all the s&m files.
1122 test -z "$unexec" && with_pdump=yes
1123
1124 if test "$with_pdump" = "yes"; then
1125         ordinary_link="yes"
1126         ld="${ordinary_ld}"
1127         start_files=
1128         libs_standard=
1129         unexec=
1130         lib_gcc=
1131 fi
1132
1133 dnl dnl For debugging...
1134 dnl SXE_PRINT_VAR([libs_machine libs_system libs_termcap libs_standard
1135 dnl     objects_machine objects_system c_switch_machine c_switch_system
1136 dnl     ld_switch_machine ld_switch_system unexec ld_switch_shared
1137 dnl     ld lib_gcc ld_text_start_addr start_files ordinary_link
1138 dnl     have_terminfo mail_use_flock mail_use_lockf]) && echo ""
1139
1140 dnl bitch at build attempt on win32 machines
1141 case "$opsys" in mingw* | cygwin*)
1142         SXE_DIE("Invalid operation system. Cannot build on win32 machines.")
1143 esac
1144
1145 dnl Non-ordinary link usually requires -lc
1146 test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
1147
1148 ## perform compiler specific things
1149 SXE_DO_CC_HACKS
1150 ## machine specific extensions
1151 SXE_CHECK_SIMD_EXTENSIONS
1152
1153 ## some linker flags that might come in handy
1154 SXE_CHECK_LDFLAGS
1155
1156 ## suffices to be defined late, for instance here
1157 SXE_CHECK_PARSER_LEXER
1158
1159 if test "$with_pdump" != "yes"; then
1160         ## GNU ld now defaults to combreloc, which screws up unexec,
1161         ## but not pdump.
1162         ## Note that it's OK if the GNU style long option causes
1163         ## non-GNU ld to barf a usage message, that's often good
1164         ## enough.  Please report it, though.
1165         ## #### Should make this Solaris-friendly.
1166         ## Link with -z nocombreloc for now.
1167         SXE_CHECK_LD_ZFLAG([nocombreloc])
1168         if test "$sxe_cv_ld__z_nocombreloc" = "yes"; then
1169                 SXE_PREPEND_LINKER_FLAG([-z nocombreloc], [ld_switch_site])
1170         fi
1171 fi
1172
1173 dnl Inform compiler that certain flags are meant for the linker
1174 SXE_PROTECT_LINKER_FLAGS(ld_switch_system)
1175 SXE_PROTECT_LINKER_FLAGS(ld_switch_machine)
1176 SXE_PROTECT_LINKER_FLAGS(ld_switch_site)
1177 SXE_PROTECT_LINKER_FLAGS(LDFLAGS)
1178 SXE_PROTECT_LINKER_FLAGS(ld_call_shared)
1179
1180 dnl Add s&m-determined objects to link line
1181 test -n "$objects_machine" && SXE_ADD_CORE_OBJS($objects_machine)
1182 test -n "$objects_system"  && SXE_ADD_CORE_OBJS($objects_system)
1183 test "$with_pdump" = "yes" && SXE_ADD_CORE_OBJS(dumper.o)
1184
1185
1186 dnl Feed s&m crud to src/Makefile
1187
1188 dnl Linux/powerpc needs the following magic for some reason
1189 dnl [Not needed with YellowDog 2.3 and causes link problems with YellowDog 3.0,
1190 dnl the two most popular PowerPC distributions.]
1191 dnl test "$machine$opsys" = "powerpclinux" && start_flags="-T $sxe_srcdir/src/ppc.ldscript"
1192
1193 AC_LANG(C)
1194 if test "$unexec" = "unexaix.o"; then
1195 dnl AIX needs various hacks to make static linking work.
1196   if   test "$with_dynamic" = "no"; then
1197   start_flags="-Wl,-bnso,-bnodelcsect"
1198   test "$GCC" = "yes" && start_flags="-B/bin/ ${start_flags}"
1199   for f in "/lib/syscalls.exp" "/lib/threads.exp"; do
1200     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; fi
1201   done
1202   for f in "/usr/lpp/X11/bin/smt.exp" "/usr/bin/X11/smt.exp"; do
1203     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; break; fi
1204   done
1205   AC_CHECK_LIB([c], [terminateAndUnload], [SXE_APPEND(-lC, libs_system)])
1206   fi
1207 elif test -n "$ld_text_start_addr"; then
1208   start_flags="-T $ld_text_start_addr -e __start"
1209 fi
1210 AC_SUBST(start_flags)
1211
1212 AC_SUBST(ld_switch_shared)
1213 AC_SUBST(start_files)
1214 if test "$ordinary_link" = "no" -a "$GCC" = "yes"; then
1215         if test -z "$linker"; then
1216                 linker='$(CC) -nostdlib'
1217                 SXE_APPEND([-nostdlib], [start_flags])
1218         fi
1219         test -z "$lib_gcc" && lib_gcc='`$(CC) -print-libgcc-file-name`'
1220 fi
1221 test "$GCC" != "yes" && lib_gcc=
1222 AC_SUBST(ld)
1223 AC_SUBST(lib_gcc)
1224
1225
1226
1227 ## ---------------------------------------------------------------
1228 ## Add site and system specific flags to compile and link commands
1229 ## ---------------------------------------------------------------
1230
1231 ## compute those site prefixes
1232 SXE_COMPUTE_SITE_PREFIXES
1233 ## compute a LD_RUN_PATH
1234 SXE_COMPUTE_LD_RUN_PATH
1235
1236
1237 ## some header checks
1238 SXE_CHECK_BASIC_HEADERS
1239 ## the very basic c types
1240 SXE_CHECK_BASIC_TYPES
1241
1242 ## for signalling
1243 SXE_CHECK_SIGNALS
1244
1245 AC_CHECK_MEMBERS([struct stat.st_rdev])
1246 AC_CHECK_TYPES([ptrdiff_t])
1247
1248 ## check whether intptr_t is definied in sys/types.h
1249 SXE_CHECK_INTPTR_T
1250
1251 dnl -lm is required for floating point support, among other things
1252 AC_CHECK_FUNC([sin], [], [AC_CHECK_LIB([m], [sin])])
1253
1254
1255 dnl check for Make feature
1256 AC_PROG_MAKE_SET
1257
1258
1259 dnl check for long file names
1260 AC_SYS_LONG_FILE_NAMES
1261 AC_SYS_LARGEFILE
1262 AC_SYS_INTERPRETER
1263 AC_SYS_POSIX_TERMIOS
1264
1265 AC_FUNC_MALLOC
1266 AC_FUNC_MKTIME
1267
1268 dnl See if mkstemp is available
1269 AC_CHECK_FUNCS([mkstemp])
1270
1271 SXE_CHECK_FILE_LOCK
1272
1273 case "$opsys" in decosf*)
1274         AC_CHECK_LIB([pthreads], [cma_open])
1275         if test "$ac_cv_lib_pthreads_cma_open" = "yes"; then
1276                 c_switch_site="$c_switch_site -threads"
1277         fi
1278         ;;
1279 esac
1280
1281
1282 dnl ----------------------------------------------------------------
1283 dnl Miscellaneous flags
1284 dnl ----------------------------------------------------------------
1285
1286 AC_MSG_CHECKING(whether the -xildoff compiler flag is required)
1287 if   ${CC-cc} '-###' -xildon  no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ; then
1288   if ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
1289     then AC_MSG_RESULT(no);
1290     else AC_MSG_RESULT(yes); SXE_APPEND_UNDUP(-xildoff, ld_switch_site)
1291   fi
1292   else AC_MSG_RESULT(no)
1293 fi
1294
1295 dnl Link with "-z ignore" on Solaris if supported
1296 if test "$opsys" = "sol2"; then
1297   if test "$os_release" -ge 506; then
1298     AC_MSG_CHECKING(for "-z ignore" linker flag)
1299     case "`ld -h 2>&1`" in
1300       *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
1301         SXE_PREPEND_UNDUP(-z ignore, ld_switch_site) ;;
1302       *) AC_MSG_RESULT(no) ;;
1303     esac
1304   fi
1305 fi
1306
1307 dnl ----------------------------------------------------------------
1308 dnl Check for Unixoid pty/process support.
1309 dnl ----------------------------------------------------------------
1310
1311 dnl There is no "standard" pty allocation method.  Every system is different.
1312 dnl  getpt()  is the preferred pty allocation method on glibc systems.
1313 dnl _getpty() is the preferred pty allocation method on SGI systems.
1314 dnl grantpt(), unlockpt(), ptsname() are defined by Unix98.
1315 AC_CHECK_FUNCS([getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp])
1316
1317 dnl openpty() is the preferred pty allocation method on BSD and Tru64 systems.
1318 dnl openpty() might be declared in:
1319 dnl - pty.h (Tru64 or Linux)
1320 dnl - libutil.h (FreeBSD)
1321 dnl - util.h (NetBSD)
1322 AC_CHECK_FUNC(openpty, have_openpty=yes, [
1323   AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
1324 if test "$have_openpty" = "yes"; then
1325   AC_DEFINE([HAVE_OPENPTY], [1], [Description here!])
1326   AC_CHECK_HEADERS(libutil.h util.h, break)
1327   test "$need_libutil" = "yes" && SXE_APPEND(-lutil, libs_system)
1328 fi
1329
1330 dnl Check for system-specific pty header files
1331 dnl Often the TIOCSIG* symbols are hiding there.
1332 case "$opsys" in
1333   dnl HPUX pty.h #defines TRUE and FALSE, so just use ptyio.h there.
1334   hpux*) AC_CHECK_HEADERS(sys/ptyio.h) ;;
1335   *) AC_CHECK_HEADERS(pty.h)
1336      test "$ac_cv_header_pty_h" = "no" && AC_CHECK_HEADERS(sys/pty.h)
1337      ;;
1338 esac
1339
1340 dnl Check for STREAM support functions.
1341 dnl Confusingly, "str" means both "string" and "SysV Streams".
1342 AC_CHECK_HEADERS(stropts.h)
1343 if test "$ac_cv_header_stropts_h" = "yes"; then
1344   AC_CHECK_FUNCS(isastream)
1345   AC_CHECK_HEADERS(strtio.h) dnl TIOCSIGNAL
1346 fi
1347
1348 dnl Check whether the system provides getloadavg().
1349 AC_CHECK_FUNCS(getloadavg)
1350
1351 if test "$ac_cv_func_getloadavg" = "yes"; then
1352   dnl Solaris 8 declares getloadavg() in <sys/loadavg.h>.
1353   dnl glibc 2.2 declares getloadavg() in <stdlib.h>...
1354   dnl   ...if we #define _GNU_SOURCE, which we do.
1355   AC_CHECK_HEADERS(sys/loadavg.h)
1356 else
1357   dnl We define our own getloadavg() using lower level functions.
1358   SXE_ADD_CRUFT_OBJS([getloadavg.o])
1359
1360   dnl Used by getloadavg() - does not require root priveleges
1361   AC_CHECK_LIB(kstat, kstat_open)
1362   AC_CHECK_HEADERS(kstat.h)
1363
1364   dnl Another way to get the load average
1365   AC_CHECK_LIB(kvm, kvm_read)
1366 fi
1367
1368 dnl If netdb.h does not declare h_errno, we must declare it by hand.
1369 AC_MSG_CHECKING(whether netdb declares h_errno)
1370 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
1371   [[return h_errno;]])],
1372   [AC_MSG_RESULT(yes)
1373    AC_DEFINE([HAVE_H_ERRNO], [1], [Description here!])],
1374   [AC_MSG_RESULT(no)])
1375
1376 AC_MSG_CHECKING([for sigsetjmp])
1377 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1378 #include <setjmp.h>
1379         ]], [[
1380 sigjmp_buf bar;
1381 sigsetjmp (bar, 0);
1382         ]])],
1383         [sxe_cv_c_func_sigsetjmp="yes"],
1384         [sxe_cv_c_func_sigsetjmp="no"])
1385 AC_MSG_RESULT([$sxe_cv_c_func_sigsetjmp])
1386 if test "$sxe_cv_c_func_sigsetjmp" = "yes"; then
1387         AC_DEFINE([HAVE_SIGSETJMP], [1], [Description here!])
1388         AC_DEFINE_UNQUOTED([SETJMP(x)], [sigsetjmp (x, 0)], [dnl
1389                 We want to avoid saving the signal mask if possible, because
1390                 that necessitates a system call.])
1391         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [siglongjmp(x, y)], [dnl
1392                 Description here!])
1393         AC_DEFINE_UNQUOTED([JMP_BUF], [sigjmp_buf], [dnl
1394                 Description here!])
1395 else
1396         AC_DEFINE_UNQUOTED([SETJMP(x)], [setjmp(x)], [dnl
1397                 We want to avoid saving the signal mask if possible, because
1398                 that necessitates a system call.])
1399         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [longjmp(x, y)], [Description here!])
1400         AC_DEFINE_UNQUOTED([JMP_BUF], [jmp_buf], [Description here!])
1401 fi
1402
1403
1404 AC_MSG_CHECKING(whether localtime caches TZ)
1405 AC_CACHE_VAL(emacs_cv_localtime_cache,
1406 [if test "$ac_cv_func_tzset" = "yes"; then
1407 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
1408 #if STDC_HEADERS
1409 # include <stdlib.h>
1410 #endif
1411 extern char **environ;
1412 unset_TZ ()
1413 {
1414   char **from, **to;
1415   for (to = from = environ; (*to = *from); from++)
1416     if (! (to[[0]][[0]] == 'T' && to[[0]][[1]] == 'Z' && to[[0]][[2]] == '='))
1417       to++;
1418 }
1419 char TZ_GMT0[[]] = "TZ=GMT0";
1420 char TZ_PST8[[]] = "TZ=PST8";
1421 main()
1422 {
1423   time_t now = time ((time_t *) 0);
1424   int hour_GMT0, hour_unset;
1425   if (putenv (TZ_GMT0) != 0)
1426     exit (1);
1427   hour_GMT0 = localtime (&now)->tm_hour;
1428   unset_TZ ();
1429   hour_unset = localtime (&now)->tm_hour;
1430   if (putenv (TZ_PST8) != 0)
1431     exit (1);
1432   if (localtime (&now)->tm_hour == hour_GMT0)
1433     exit (1);
1434   unset_TZ ();
1435   if (localtime (&now)->tm_hour != hour_unset)
1436     exit (1);
1437   exit (0);
1438 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1439 [# If we have tzset, assume the worst when cross-compiling.
1440 emacs_cv_localtime_cache=yes])
1441 else
1442         # If we lack tzset, report that localtime does not cache TZ,
1443         # since we can't invalidate the cache if we don't have tzset.
1444         emacs_cv_localtime_cache=no
1445 fi],[:])dnl
1446 AC_MSG_RESULT($emacs_cv_localtime_cache)
1447 if test $emacs_cv_localtime_cache = yes; then
1448   AC_DEFINE([LOCALTIME_CACHE], [1], [Description here!])
1449 fi
1450
1451
1452 need_alloca_c=no
1453 dnl HP-UX has a working alloca in libPW.
1454 dnl case "${GCC}${opsys}" in hpux* )
1455 dnl  AC_CHECK_FUNC(alloca, [:], [AC_CHECK_LIB(PW, alloca)])
1456 dnl esac
1457
1458 dnl AC_FUNC_ALLOCA doesn't know about DEC C's #pragma intrinsic(alloca)
1459 if test "$__DECC" != "yes"; then
1460         AC_FUNC_ALLOCA
1461         if test -n "$ALLOCA"; then
1462                 SXE_ADD_CRUFT_OBJS([$ALLOCA])
1463                 need_alloca_c=yes
1464         fi
1465 fi
1466
1467 AC_MSG_CHECKING(for working alloca in function calls)
1468 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1469 #if defined (__GNUC__)
1470 #define alloca __builtin_alloca
1471 #elif defined (__DECC)
1472 #include <alloca.h>
1473 #pragma intrinsic(alloca)
1474 #elif defined (HAVE_ALLOCA_H)
1475 #include <alloca.h>
1476 #elif defined (_AIX)
1477 #pragma alloca
1478 #elif ! defined (alloca)
1479 #ifdef C_ALLOCA
1480 #define alloca xemacs_c_alloca
1481 #else
1482 void *alloca ();
1483 #endif /* C_ALLOCA */
1484 #endif /* !defined (alloca) */
1485
1486 void
1487 f1 (double a, void *ptr, int b)
1488 {
1489   unsigned char *ptr2 = (unsigned char *) ptr;
1490   if (ptr2[[0]] != 0xBF || ptr2[[1]] != 0xBF || ptr2[[3000]] != 0xBF)
1491     exit (1);
1492   if (a != 3.1415 || b != -5490)
1493     exit (1);
1494 }
1495
1496 int
1497 f2 (short c, void *ptr, long e)
1498 {
1499   unsigned char *ptr2 = (unsigned char *) ptr;
1500   if (ptr2[[0]] != 0xFB || ptr2[[1]] != 0xFB || ptr2[[1000]] != 0xFB)
1501     exit (1);
1502   if (c != 665 || e != 776776776)
1503     exit (1);
1504   f1 (3.1415, memset (alloca (3001), 0xBF, 3001), -5490);
1505   return 42;
1506 }
1507
1508 int
1509 main (int argc, char *argv[])
1510 {
1511   if (f2 (665, memset (alloca (1001), 0xFB, 1001), 776776776) != 42)
1512     return 1;
1513   return 0;
1514 }
1515 ]])], working_alloca_in_function_calls=yes, working_alloca_in_function_calls=no,
1516 working_alloca_in_function_calls=no)
1517 AC_MSG_RESULT($working_alloca_in_function_calls)
1518 test "$working_alloca_in_function_calls" != "yes" && \
1519   AC_DEFINE([BROKEN_ALLOCA_IN_FUNCTION_CALLS], [1], [Description here!])
1520
1521 AM_CONDITIONAL([NEED_ALLOCA_C], [
1522         test "$working_alloca_in_function_calls" = "yes" && \
1523         test "$need_alloca_c" = "yes"])
1524
1525 dnl Check whether strcoll exists and works correctly. (This does more
1526 dnl than just check for its existence.) If so, it defines HAVE_STRCOLL.
1527 AC_FUNC_STRCOLL
1528
1529 dnl If `getpgrp' takes no argument (the POSIX.1 version), define
1530 dnl `GETPGRP_VOID'.  Otherwise, it is the BSD version, which takes a
1531 dnl process ID as an argument.
1532 AC_CHECK_FUNCS(getpgrp)
1533 AC_FUNC_GETPGRP
1534
1535 dnl We used to call AC_FUNC_MMAP here
1536 dnl Instead we now use following, suggested by Neal Becker
1537 AC_MSG_CHECKING(for working mmap)
1538 case "$opsys" in ultrix* ) have_mmap=no ;; *)
1539 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1540 #include <unistd.h>
1541 #include <fcntl.h>
1542 #include <sys/mman.h>
1543
1544 #ifndef MAP_VARIABLE
1545 #define MAP_VARIABLE 0
1546 #endif
1547
1548 #ifndef MAP_FAILED
1549 #define MAP_FAILED -1
1550 #endif
1551
1552 int main (int argc, char *argv[])
1553 {
1554   int fd = -1;
1555   caddr_t p;
1556 #ifndef MAP_ANONYMOUS
1557   fd = open ("/dev/zero", O_RDWR);
1558   if (fd < 0)
1559     return 1;
1560 #define MAP_ANONYMOUS 0
1561 #endif
1562   if (mmap(0, 1024, PROT_READ | PROT_WRITE,
1563            MAP_PRIVATE | MAP_VARIABLE | MAP_ANONYMOUS,
1564            fd, 0) != (void *) MAP_FAILED)
1565     return 0;
1566   perror ("conftest: mmap failed");
1567   return 1;
1568 }]])], have_mmap=yes, have_mmap=no, have_mmap=no) ;;
1569 esac
1570 AC_MSG_RESULT($have_mmap)
1571 test "$have_mmap" = "yes" && AC_DEFINE([HAVE_MMAP], [1], [Description here!])
1572
1573 dnl rel_alloc requires either GNU malloc or system malloc with mmap
1574 dnl We only turn rel_alloc on by default if mmap is available.
1575 test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && with_rel_alloc=no
1576 if test "$with_rel_alloc $have_mmap" = "default yes"; then
1577         if test "$doug_lea_malloc" = "yes"; then
1578                 dnl Check if malloc() calls mmap(), making rel_alloc pointless.
1579                 AC_MSG_CHECKING(for M_MMAP_THRESHOLD)
1580                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],[[
1581 #ifndef M_MMAP_THRESHOLD
1582 #error No M_MMAP_THRESHOLD :-(
1583 !@+$%^&*_)(_ - unlikely to compile...
1584 #endif
1585                         ]])], [
1586                         with_rel_alloc=no
1587                         AC_MSG_RESULT(yes)], [
1588                         with_rel_alloc=yes
1589                         AC_MSG_RESULT(no)])
1590         else
1591                 with_rel_alloc=yes
1592         fi
1593 fi
1594 if test "$with_rel_alloc" = "yes"; then
1595         AC_DEFINE([REL_ALLOC], [1], [Description here!])
1596         SXE_ADD_MEMALLOC_OBJS(ralloc.o)
1597 fi
1598
1599 dnl Check for tests/rminal I/O variants
1600 dnl TERMIOS systems may have termio.h, but not vice-versa, I think.
1601 AC_CHECK_HEADER(termios.h,
1602   AC_DEFINE([HAVE_TERMIOS], [1], [Description here!])
1603   AC_DEFINE([SIGNALS_VIA_CHARACTERS], [1], [Description here!])
1604   AC_DEFINE([NO_TERMIO], [1], [Description here!]),
1605   [AC_CHECK_HEADER(termio.h, [AC_DEFINE([HAVE_TERMIO], [1], [Description here!])])])
1606
1607
1608 dnl Check for directory variants
1609 AC_CHECK_HEADER(dirent.h, [AC_DEFINE([SYSV_SYSTEM_DIR], [1], [Description here!])],
1610   [AC_CHECK_HEADER(sys/dir.h, , [AC_DEFINE([NONSYSTEM_DIR_LIBRARY], [1], [Description here!])])])
1611
1612 dnl check for readdir64_r (the reentrant version of readdir64)
1613 AC_CHECK_FUNC(readdir64_r, [AC_DEFINE([HAVE_LARGEFILE], [1], [Description here!])])
1614
1615 dnl Check for nlist.h
1616 AC_CHECK_HEADER([nlist.h], [AC_DEFINE([NLIST_STRUCT], [1], [Description here!])], [])
1617
1618 dnl firstly check for pthread support so that we can use the
1619 dnl asynchronous playing routines
1620
1621 dnl special pthread handling
1622 dnl AIX uses pthreads instead of pthread, and HP/UX uses cma
1623 dnl FreeBSD uses -pthread
1624 AC_CHECK_LIB(pthread, pthread_create)
1625 if test "${ac_cv_lib_pthread_pthread_create}" = "yes"; then
1626         have_threads=yes
1627
1628         SXE_CHECK_COMPILER_FLAGS([-pthreads])
1629         SXE_CHECK_COMPILER_FLAGS([-pthread])
1630         if test "${sxe_cv_c_flags__pthreads}" = "yes"; then
1631                 SXE_PREPEND_UNDUP([-pthreads], [c_switch_site])
1632         fi
1633         if test "${sxe_cv_c_flags__pthread}" = "yes"; then
1634                 SXE_PREPEND_UNDUP([-pthread], [c_switch_site])
1635         fi
1636         SXE_PREPEND([-lpthread], [MM_LIBS])
1637 fi
1638
1639 dnl test for AIX pthreads
1640 AC_CHECK_LIB(pthreads, pthread_create)
1641 if test $ac_cv_lib_pthreads_pthread_create = yes; then
1642   have_threads=yes
1643   SXE_PREPEND(-lpthreads, MM_LIBS)
1644 fi
1645
1646 dnl test for HPUX cma threads.
1647 AC_CHECK_LIB(cma, pthread_create)
1648 if test $ac_cv_lib_cma_pthread_create = yes; then
1649   have_threads=yes
1650   SXE_PREPEND(-lcma, MM_LIBS)
1651 fi
1652
1653 dnl FreeBSD -pthread check
1654 AC_DEFUN([AC_PTHREAD_FREEBSD],
1655 [AC_MSG_CHECKING([if we need -pthread for threads])
1656 AC_CACHE_VAL(ac_cv_ldflag_pthread,
1657         [ac_save_ld_switch_site="$ld_switch_site"
1658         ld_switch_site="-pthread $ld_switch_site"
1659         AC_LINK_IFELSE([AC_LANG_PROGRAM([[char pthread_create();]],
1660         [[char pthread_create();]])],
1661         eval "ac_cv_ldflag_pthread=yes",
1662         eval "ac_cv_ldflag_pthread=no"),
1663         ld_switch_site="$ac_save_ld_switch_site"
1664 ])
1665 if eval "test \"`echo $ac_cv_ldflag_pthread`\" = yes"; then
1666         AC_MSG_RESULT(yes)
1667         have_threads=yes
1668         SXE_PREPEND_UNDUP("-pthread", ld_switch_site)
1669         SXE_PREPEND_UNDUP("-D_THREAD_SAFE", c_switch_site)
1670 else
1671         AC_MSG_RESULT(no)
1672 fi])
1673
1674 dnl If all other thread tests fail, try BSD's -pthread
1675 if test "$have_threads" != yes; then
1676   AC_PTHREAD_FREEBSD
1677 fi
1678
1679 if test "$have_threads" = yes; then
1680   AC_DEFINE([HAVE_THREADS], [1], [Description here!])
1681 fi
1682
1683
1684 ## Internal Options
1685 ## ================
1686
1687 echo
1688 echo "Internal Options"
1689 echo "================"
1690
1691 SXE_CHECK_LIBTOOL
1692 SXE_CHECK_LIBLTDL
1693
1694 dnl ----------------------------------------------------------------
1695 dnl Check for POSIX functions.
1696 dnl ----------------------------------------------------------------
1697
1698 SXE_CHECK_BASIC_FUNS
1699 AC_CHECK_FUNCS([alarm cbrt closedir dup2 eaccess endpwent floor fmod fpathconf frexp fsync ftime ftruncate getaddrinfo getcwd gethostbyname gethostname getnameinfo getpagesize getrlimit gettimeofday getwd isascii isatty link logb lrand48 matherr memchr memmove memset mkdir mktime munmap perror poll pow putenv random re_comp readlink regcomp rename res_init rint rmdir select setitimer setlocale setpgid setsid sigblock sighold sigprocmask snprintf socket sqrt stpcpy strncpy strncat strcasecmp strchr strdup strerror strlwr strrchr strspn strtol strupr symlink ttyname tzset ulimit umask uname usleep utime vlimit vsnprintf waitpid wcscmp wcslen])
1700
1701 AS_IF([test "$have_isatty" = "yes"],
1702         AC_DEFINE([HAVE_ISATTY], [1], [isatty is available]))
1703 AS_IF([test "$have_ttyname" = "yes"],
1704         AC_DEFINE([HAVE_TTYNAME], [1], [ttyname is available]))
1705
1706
1707 ## combines all these time structures and funs
1708 SXE_CHECK_METRONOME
1709 SXE_CHECK_SUFFICIENCY([metronome], [metronome])
1710
1711 ## check for a sane dirname/realpath
1712 SXE_CHECK_DIRNAME
1713 SXE_CHECK_REALPATH
1714
1715 dnl -----------------------------------
1716 dnl Do some misc autoconf-special tests
1717 dnl -----------------------------------
1718
1719 dnl Do the opsystem or machine files prohibit the use of the GNU malloc?
1720 dnl Assume not, until told otherwise.
1721 GNU_MALLOC=yes
1722 if test "$with_dlmalloc" != "no"; then
1723         doug_lea_malloc=yes
1724 else
1725         doug_lea_malloc=no
1726 fi
1727 after_morecore_hook_exists=yes
1728 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1729 AC_MSG_CHECKING(whether __after_morecore_hook exists)
1730 AC_LINK_IFELSE([AC_LANG_SOURCE([[extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0]])],
1731   [AC_MSG_RESULT(yes)],
1732   [AC_MSG_RESULT(no)
1733    after_morecore_hook_exists=no])
1734 if test "$system_malloc" = "yes" ; then
1735   GNU_MALLOC=no
1736   GNU_MALLOC_reason="
1737     - The GNU allocators don't work with this system configuration."
1738 elif test "$with_system_malloc" = "yes" ; then
1739   GNU_MALLOC=no
1740   GNU_MALLOC_reason="
1741     - User chose not to use GNU allocators."
1742 elif test "$with_debug_malloc" = "yes" ; then
1743   GNU_MALLOC=no
1744   GNU_MALLOC_reason="
1745     - User chose to use Debugging Malloc."
1746 fi
1747
1748 if test "$doug_lea_malloc" = "yes" -a "$GNU_MALLOC" = "yes" ; then
1749         GNU_MALLOC_reason="
1750     - Using Doug Lea's new malloc from the GNU C Library."
1751         AC_DEFINE([DOUG_LEA_MALLOC], [1], [Description here!])
1752         if test "$after_morecore_hook_exists" = "no" ; then
1753                 GNU_MALLOC_reason="
1754     - Using Doug Lea's new malloc from the Linux C Library."
1755         AC_DEFINE([_NO_MALLOC_WARNING_], [1], [Description here!])
1756         fi
1757 fi
1758 AM_CONDITIONAL([USE_MEMALLOC], [test -n "${libmemalloc_objs}"])
1759
1760 dnl #### mcheck is broken in all versions of Linux libc and glibc.
1761 dnl Try this again when 2.1 hits the streets.
1762 dnl Avoid using free-hook.c if support exists for malloc debugging in libc
1763 have_libmcheck=no
1764 if test "$with_error_checking_malloc" = "yes" -a \
1765    "$have_glibc" = "yes" -a \
1766    "$doug_lea_malloc" = "yes"; then
1767         AC_CHECK_HEADERS(mcheck.h)
1768         AC_CHECK_LIB(mcheck, mcheck, [have_libmcheck=yes], [have_libmcheck=no])
1769 fi
1770
1771 if test "$with_module_support" != "no"; then
1772         AS_MESSAGE([checking for module support])
1773         if test "$sxe_cv_feat_libltdl" = "yes"; then
1774                 have_module_support="yes"
1775                 with_module_support="yes"
1776                 SXE_ADD_CRUFT_OBJS([emodules-ng.o])
1777                 AC_DEFINE([HAVE_EMODULES], [1], [Whether emods would be available])
1778                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1779         else
1780                 have_module_support="no"
1781                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1782         fi
1783 fi
1784
1785 AM_CONDITIONAL([DESCEND_MODULES],
1786         [test "$with_module_support $have_module_support" = "yes yes"])
1787 if test "$with_module_support $have_module_support" = "yes"; then
1788         SXE_APPEND([src], [MAKE_SUBDIR])
1789         SXE_APPEND([src], [INSTALL_ARCH_DEP_SUBDIR])
1790         SXE_APPEND([modules], [MAKE_AM_SUBDIR])
1791         SXE_APPEND([modules], [SRC_SUBDIR_DEPS])
1792 dnl else
1793 dnl     MOD_CC="$SXEMACS_CC"
1794 dnl     MODCFLAGS="\$(SXE_CFLAGS) -I../../src -I\$(sxe_srcdir)/../../src"
1795 dnl     INSTALLPATH=""
1796 dnl     MOD_INSTALL_PROGRAM="true"
1797 dnl     OBJECT_TO_BUILD="\$(MODNAME).o"
1798 fi
1799
1800 if test "$with_modules_ase" = "yes"; then
1801         have_modules_ase=yes
1802 fi
1803 if test "$with_static_modules_ase" = "yes"; then
1804         have_static_modules_ase=yes
1805 fi
1806 SXE_EMOD_STATMOD([ase])
1807 if test "$have_modules_ase $have_static_modules_ase" != " "; then
1808         have_ase_cart="yes"
1809         have_ase_dig="yes"
1810         have_ase_intv="yes"
1811         have_ase_metric="yes"
1812         have_ase_nbhood="yes"
1813         have_ase_perm="yes"
1814         have_ase_resclass="yes"
1815 fi
1816 if test "$have_bison" = "yes"; then
1817         if test "$with_modules_cl" = "yes" ; then
1818                 have_modules_cl="yes"
1819         fi
1820         if test "$with_static_modules_cl" = "yes"; then
1821                 have_static_modules_cl="yes"
1822         fi
1823 else
1824         if test "$with_modules_cl" = "yes" -o "$with_static_modules_cl" = "yes"; then
1825                 AC_MSG_WARN([Sorry no bison means no cl module for you.])
1826         fi
1827 fi
1828 SXE_EMOD_STATMOD([cl])
1829
1830 AM_CONDITIONAL([AUTARKIC], [test "0" = "1"])
1831 MODARCHDIR=
1832 MAKE_DOCFILE="$sxe_blddir/lib-src/make-docfile"
1833 ELLMAKEDOC=$MAKE_DOCFILE
1834 ELLCC=$MOD_CC
1835 AC_SUBST(ELLCC)
1836 AC_SUBST(ELLMAKEDOC)
1837 AC_SUBST(with_modules, $with_modules)
1838 AC_SUBST(MOD_CC)
1839 AC_SUBST(MODARCHDIR)
1840 AC_SUBST(MAKE_DOCFILE)
1841 AC_SUBST(MODCFLAGS)
1842 AC_SUBST(INSTALLPATH)
1843 AC_SUBST(MOD_INSTALL_PROGRAM)
1844 AC_SUBST(OBJECT_TO_BUILD)
1845 SXE_SUBST_STATMOD_A
1846
1847 ## FFI support
1848 SXE_CHECK_FFI
1849 SXE_CHECK_SUFFICIENCY([ffi], [FFI support], [
1850         ## additional actions
1851         AC_DEFINE([HAVE_LIBFFI], [1], [Description here!])
1852         HAVE_LIBFFI=yes
1853         FFI_LIBS="-lffi"
1854         SXE_ADD_CRUFT_OBJS([effi.o])
1855 ])
1856
1857 ## ENT support
1858 SXE_CHECK_ENT
1859
1860 ## check for pseudo gaussian numbers
1861 AC_MSG_CHECKING([for pseug (gaussian numbers)])
1862 if test "$sxe_cv_feat_gmp" = "yes"; then
1863         ## the good case
1864         AC_DEFINE([HAVE_PSEUG], [1], [Whether we COULD do gaussian numbers!])
1865         sxe_cv_feat_pseug="yes"
1866 else
1867         sxe_cv_feat_pseug="no"
1868 fi
1869 AC_MSG_RESULT([$sxe_cv_feat_pseug])
1870
1871 ## check for pseudo complex numbers
1872 AC_MSG_CHECKING([for pseuc (pseudo complex numbers)])
1873 if test "$sxe_cv_feat_mpfr" = "yes"; then
1874         ## the good case
1875         AC_DEFINE([HAVE_PSEUC], [1], [Whether we COULD do complex numbers!])
1876         sxe_cv_feat_pseuc="yes"
1877 else
1878         sxe_cv_feat_pseuc="no"
1879 fi
1880 AC_MSG_RESULT([$sxe_cv_feat_pseuc])
1881
1882 ## check for pseudo quaternions
1883 AC_MSG_CHECKING([for quatern (quaternion numbers)])
1884 if test "$sxe_cv_feat_gmp" = "yes"; then
1885         ## the good case
1886         AC_DEFINE([HAVE_QUATERN], [1], [Whether we COULD do quaternions!])
1887         sxe_cv_feat_quatern="yes"
1888 else
1889         sxe_cv_feat_quatern="no"
1890 fi
1891 AC_MSG_RESULT([$sxe_cv_feat_quatern])
1892
1893
1894 ## go through what the PH^Wuser has specified
1895 ## it's a wee bit more complex, so let's go for it
1896 ## we use a dijkstra-if
1897 ent_dijkstra="$with_ent_gmp $sxe_cv_feat_gmp"
1898 if test "$ent_dijkstra" = "yes yes"; then
1899         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1900         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1901         SXE_ADD_ENT_OBJS([ent-gmp.o])
1902         have_ent_gmp="yes"
1903 elif test "$ent_dijkstra" = "yes no"; then
1904         ## pity, we wanted GMP but we dont have it
1905         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1906         have_ent_gmp="no"
1907 elif test "$ent_dijkstra" = "no yes"; then
1908         ## we didn't want GMP but we have it
1909         ## do nothing in that case
1910         have_ent_gmp="no"
1911 elif test "$ent_dijkstra" = "no no"; then
1912         ## great, we didnt opt for GMP and we're lucky, it's not there either
1913         have_ent_gmp="no"
1914 fi
1915
1916 ## evaluate mpfr results
1917 ent_dijkstra="$with_ent_mpfr $sxe_cv_feat_mpfr"
1918 if test "$ent_dijkstra" = "yes yes"; then
1919         ## the good case
1920         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1921         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1922         SXE_ADD_ENT_OBJS([ent-mpfr.o])
1923         have_ent_mpfr="yes"
1924 elif test "$ent_dijkstra" = "yes no"; then
1925         ## we want but can't have
1926         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1927         have_ent_mpfr="no"
1928 elif test "$ent_dijkstra" = "no yes"; then
1929         have_ent_mpfr="no"
1930 elif test "$ent_dijkstra" = "no no"; then
1931         have_ent_mpfr="no"
1932 fi
1933
1934
1935 ## whether to enable gaussian numbers
1936 ent_dijkstra="$with_ent_pseug $sxe_cv_feat_pseug"
1937 if test "$ent_dijkstra" = "yes yes"; then
1938         ## perfick
1939         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1940         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1941         SXE_ADD_ENT_OBJS([ent-gaussian.o])
1942         have_ent_pseug="yes"
1943 elif test "$ent_dijkstra" = "yes no"; then
1944         ## grrrr
1945         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1946         have_ent_pseug="no"
1947 elif test "$ent_dijkstra" = "no yes"; then
1948         have_ent_pseug="no"
1949 elif test "$ent_dijkstra" = "no no"; then
1950         have_ent_pseug="no"
1951 fi
1952
1953 ## whether to enable emulated complex numbers
1954 ent_dijkstra="$with_ent_pseuc $sxe_cv_feat_pseuc $with_ent_mpc $sxe_cv_feat_mpc"
1955 if test "$ent_dijkstra" = "yes yes yes yes"; then
1956         ## skip pseuc usage
1957         have_ent_pseuc="veto"
1958         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1959         AS_MESSAGE([ENT: Built-in support for complex numbers available, dnl
1960 but omitted in favour of MPC.])
1961         omit_ent_pseuc_in_favour_of="mpc"
1962         ## set up to use plain mpc
1963         AC_DEFINE([WITH_MPC], [1], [Description here!])
1964         SXE_PREPEND([$MPC_LIBS], [ENT_LIBS])
1965         SXE_ADD_ENT_OBJS([ent-mpc.o])
1966         have_ent_mpc="yes"
1967 elif test "$ent_dijkstra" = "yes yes yes no"; then
1968         ## user planned to use mpc, hasnt got it though
1969         ## now he's cursed with pseudo complex numbers :)
1970         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1971         have_ent_pseuc="yes"
1972         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1973         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1974         ## we want mpc but can't have, set up that
1975         AC_DEFINE([WITH_MPC], [1], [Description here!])
1976         have_ent_mpc="no"
1977 elif test "$ent_dijkstra" = "yes yes no yes"; then
1978         ## user coulda used mpc but disabled it for whatever reasons ... Wait!
1979         ## Horst, is that you?!
1980         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1981         AS_MESSAGE([ENT: dnl
1982 MPC support for complex numbers IS possible, however YOU think you want dnl
1983 the built-in emulated stuff?  Seriously?  Good, so be it!])
1984         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1985         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1986         have_ent_pseuc="yes"
1987         omit_ent_mpc_in_favour_of="pseuc"
1988         ## however brag that we have mpc
1989         have_ent_mpc="yes"
1990 elif test "$ent_dijkstra" = "yes yes no no"; then
1991         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1992         have_ent_pseuc="yes"
1993         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1994         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1995         have_ent_mpc="no"
1996 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "yes no"; then
1997         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1998         have_ent_pseuc="no"
1999 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no yes"; then
2000         have_ent_pseuc="no"
2001 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no no"; then
2002         have_ent_pseuc="no"
2003 fi
2004
2005 ## whether to enable gaussian numbers
2006 ent_dijkstra="$with_ent_quatern $sxe_cv_feat_quatern"
2007 if test "$ent_dijkstra" = "yes yes"; then
2008         ## perfick
2009         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2010         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
2011         SXE_ADD_ENT_OBJS([ent-quatern.o])
2012         have_ent_quatern="yes"
2013 elif test "$ent_dijkstra" = "yes no"; then
2014         ## grrrr
2015         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2016         have_ent_quatern="no"
2017 elif test "$ent_dijkstra" = "no yes"; then
2018         have_ent_quatern="no"
2019 elif test "$ent_dijkstra" = "no no"; then
2020         have_ent_quatern="no"
2021 fi
2022
2023 ## elliptic curve support
2024 ent_dijkstra="$with_ent_ecm $sxe_cv_feat_ecm"
2025 if test "$ent_dijkstra" = "yes yes"; then
2026         ## perfick case
2027         AC_DEFINE([WITH_ECM], [1], [Description here!])
2028         SXE_PREPEND([$ECM_LIBS], [ENT_LIBS])
2029         SXE_ADD_ENT_OBJS([ent-ecm.o])
2030         have_ent_ecm="yes"
2031 elif test "$ent_dijkstra" = "no yes"; then
2032         have_ent_ecm="no"
2033 elif test "$ent_dijkstra" = "yes no"; then
2034         AC_DEFINE([WITH_ECM], [1], [Description here!])
2035         have_ent_ecm="no"
2036 elif test "$ent_dijkstra" = "no no"; then
2037         have_ent_ecm="no"
2038 fi
2039
2040
2041 ## Floating operation support is now unconditional
2042 SXE_CHECK_MATHS_VALUES
2043 if test "$ac_cv_sizeof_long_double" != 0; then
2044         ##AC_DEFINE_UNQUOTED([fpfloat], [long double], [Description here!])
2045         ##AC_DEFINE([fpfloat_long_double_p], [1], [Description here!])
2046         fpfloat="long double"
2047         fpfloat_long_double_p=1
2048         have_fpfloat=yes
2049 elif test "$ac_cv_sizeof_double" != 0; then
2050         ##AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2051         ##AC_DEFINE([fpfloat_double_p], [1], [Description here!])
2052         fpfloat="double"
2053         fpfloat_double_p=1
2054         have_fpfloat=yes
2055 else
2056         AS_MESSAGE([Uh oh, no float type is bad news.])
2057         have_fpfloat=no
2058 fi
2059
2060 AC_MSG_CHECKING([if need to add -lm])
2061 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2062 #include <math.h>
2063 ]],[[
2064 return sin(0.0);
2065 ]])], [AC_MSG_RESULT([no])], [
2066         AC_MSG_RESULT([maybe])
2067         save_LIBS=$LIBS
2068         SXE_APPEND([-lm], [LIBS])
2069         AC_MSG_CHECKING([if can add -lm])
2070         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2071 #include <math.h>
2072 ]],[[
2073 return sin(0.0);
2074 ]])], [AC_MSG_RESULT([yes])], [
2075         AC_MSG_RESULT([no])
2076         AC_MSG_WARN([No way to use math functions found. Reverting option append.])
2077         LIBS=$save_LIBS])])
2078
2079
2080
2081 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2082 #include <math.h>
2083 ]],[[
2084 return atanh(1.0) + asinh(1.0) + acosh(1.0);
2085 ]])], [AC_DEFINE([HAVE_INVERSE_HYPERBOLIC], [1], [Description here!])])
2086
2087 if test "$have_fpfloat" = "yes"; then
2088         AC_DEFINE([HAVE_FPFLOAT], [1], [Description here!])
2089
2090         SXE_CHECK_CLEAN_FLOATOPS(
2091                 [have_clean_floatops="yes"], [have_clean_floatops="no"])
2092
2093         ## it would seem odd to define the destiny of our float arithmetic here
2094         if test "$have_clean_floatops" = "yes"; then
2095                 AC_DEFINE_UNQUOTED([fpfloat], [$fpfloat], [Description here!])
2096                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2097                         [${fpfloat_long_double_p:-0}], [Description here!])
2098                 AC_DEFINE_UNQUOTED([fpfloat_double_p],
2099                         [${fpfloat_double_p:-0}], [Description here!])
2100         else
2101                 AS_MESSAGE([downgrading to `double' floats])
2102                 AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2103                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2104                         [0], [Description here!])
2105                 AC_DEFINE([fpfloat_double_p],
2106                         [1], [Description here!])
2107         fi
2108 fi
2109
2110 ## trivial checks, you cannot (yet) turn off internal arithmetic entirely
2111 ## so we always `have' it
2112 dnl with_ent_int=yes
2113 have_ent_int=yes
2114 dnl with_ent_indef=yes
2115 have_ent_indef=yes
2116 dnl with_ent_fpfloat=yes
2117 have_ent_fpfloat=yes
2118 dnl we attempt to always use ent.o
2119 AC_DEFINE([WITH_NUMBER_TYPES], [1], [Description here!])
2120 SXE_SUBST_ENT_OBJS
2121
2122 dnl experimental code support
2123 if test "$with_compre" != "no"; then
2124         AC_MSG_CHECKING([if compre prerequisites are met])
2125         AC_MSG_RESULT([yes])
2126         AC_DEFINE([EF_USE_COMPRE], [1],
2127                 [Whether to provide compiled regular expression!])
2128         have_compre=yes
2129 fi
2130 if test "$with_experimental_features_pom" = "yes"; then
2131         AC_MSG_CHECKING([if pom prerequisites are met])
2132         if test "$have_threads" = "yes"; then
2133                 AC_MSG_RESULT([yes])
2134                 AC_DEFINE([EF_USE_POM], [1],
2135                         [Whether to protect all lisp objects with mutexes!])
2136                 have_experimental_features_pom=yes
2137         else
2138                 AC_MSG_RESULT([no])
2139         fi
2140 fi
2141 if test "$with_experimental_features_asyneq" = "yes"; then
2142         AC_MSG_CHECKING([if asyneq prerequisites are met])
2143         if test "$have_threads" = "yes"; then
2144                 AC_MSG_RESULT([yes])
2145                 AC_DEFINE([EF_USE_ASYNEQ], [1],
2146                         [Whether to setup asynchronous event queues!])
2147                 have_experimental_features_asyneq=yes
2148                 SXE_ADD_EVENTS_OBJS([event-queue.o workers.o worker-asyneq.o])
2149         else
2150                 AC_MSG_RESULT([no])
2151         fi
2152 fi
2153 SXE_SUBST_EVENTS_OBJS
2154
2155 SXE_CHECK_EVENTS
2156 SXE_CHECK_SUFFICIENCY([events], [event system])
2157
2158 ## check asm helpers
2159 SXE_CHECK_ASM_HELPERS
2160
2161 ## compression titbits
2162 SXE_CHECK_ZLIB
2163 SXE_CHECK_BZLIB
2164 SXE_CHECK_LZMA
2165
2166
2167 ## Cryptography Options
2168 ## ====================
2169 echo
2170 echo "Cryptography Options"
2171 echo "===================="
2172
2173 ## in case someone else (ldap, pgsql, etc.) needs it
2174 SXE_CHECK_OPENSSL
2175 SXE_CHECK_SUFFICIENCY([openssl], [OpenSSL support])
2176
2177 dnl OpenSSL
2178 if test "$with_openssl" != "no" -a "$have_openssl" = "yes"; then
2179         SXE_ADD_CRUFT_OBJS([openssl.o])
2180 elif test "$with_openssl" != "no"; then
2181         AC_MSG_WARN([Required OpenSSL support cannot be provided.])
2182         AC_MSG_WARN([Check --with-site-prefixes.])
2183 fi
2184 if test "$have_openssl" = "no" -o "$with_openssl" = "no"; then
2185         OPENSSL_CPPFLAGS=""
2186         OPENSSL_LDFLAGS=""
2187         OPENSSL_LIBS=""
2188 fi
2189 AC_SUBST([OPENSSL_CPPFLAGS])
2190 AC_SUBST([OPENSSL_LDFLAGS])
2191 AC_SUBST([OPENSSL_LIBS])
2192
2193 SXE_CHECK_KERBEROS
2194 SXE_CHECK_KERBEROS5
2195 if test "$with_kerberos" = "yes"; then
2196         AC_DEFINE([WITH_KERBEROS], [1], [Whether kerberos support was requested])
2197         if test "$sxe_cv_feat_kerberos" = "yes"; then
2198                 SXE_PREPEND([$KERBEROS_LIBS], [ld_libs_general])
2199         fi
2200 fi
2201
2202
2203 ## Networking Options
2204 ## ==================
2205 echo
2206 echo "Networking Options"
2207 echo "=================="
2208
2209 SXE_CHECK_SOCKETS
2210 SXE_CHECK_SUFFICIENCY([unix], [unix domain sockets])
2211 SXE_CHECK_SUFFICIENCY([sysvipc], [SysV IPC message])
2212 SXE_CHECK_SUFFICIENCY([sockets], [tcp/udp sockets])
2213 SXE_CHECK_SUFFICIENCY([tcpudp], [tcp/udp sockets])
2214 SXE_CHECK_SUFFICIENCY([multicast], [multicast])
2215
2216 dnl Decnet
2217 if test "$with_dnet" = "yes"; then
2218   AC_CHECK_LIB(dnet, main,
2219     [AC_DEFINE([HAVE_LIBDNET], [1], [Description here!])],
2220     [SXE_DIE("DECnet requested but can't find libdnet")])
2221 fi
2222
2223 dnl Socks support
2224 if test "$with_socks" = "yes"; then
2225   AC_CHECK_LIB(socks, SOCKSinit)
2226   test -n "$ac_cv_lib_socks_SOCKSinit" && AC_DEFINE([HAVE_SOCKS], [1], [Description here!])
2227 fi
2228
2229
2230 ## Window System Features
2231 ## ======================
2232 echo
2233 echo "Window System Features"
2234 echo "======================"
2235
2236 dnl ----------------------
2237 dnl Choose a window system
2238 dnl ----------------------
2239
2240 AS_MESSAGE([checking for specified window system])
2241
2242 if test "$with_x" != "no"; then
2243         if test "$with_x11" != "no"; then
2244                 dnl User-specified --x-includes or --x-libraries implies --with-x11.
2245                 test "$x_includes $x_libraries" != "NONE NONE" && \
2246                         window_system=x11
2247                         with_x11=yes
2248         fi
2249
2250         dnl Autodetection of X11 libraries and includes
2251         dnl -------------------------------------------
2252         dnl AC_PATH_XTRA thinks it can find our X headers and includes, but
2253         dnl it often gets it wrong, so we only use it as a last resort.
2254
2255         dnl $OPENWINHOME implies --x-includes and --x-libraries
2256         dnl Not (yet) handled by autoconf2
2257         if test "$x_includes $x_libraries" = "NONE NONE" \
2258                 -a -n "$OPENWINHOME" \
2259                 -a "$OPENWINHOME" != "/usr/openwin" \
2260                 -a -d "$OPENWINHOME"; then
2261                 test -d "$OPENWINHOME/lib"           && \
2262                         x_libraries="$OPENWINHOME/lib"
2263                 test -d "$OPENWINHOME/include"       && \
2264                         x_includes="$OPENWINHOME/include"
2265                 test -d "$OPENWINHOME/share/include" && \
2266                         x_includes="$OPENWINHOME/share/include"
2267         fi
2268
2269         if test -z "$x_includes" -o \
2270            "$x_includes" = "NONE" -o \
2271            ! -d "$x_includes"; then
2272                 dnl AC_PATH_XTRA often guesses /usr/include, when some other
2273                 dnl include directory is a MUCH better guess (Linux, HP-UX 10.20).
2274                 dnl This is a workaround for idiot (esp. HP) system vendors, who
2275                 dnl provide a /usr/include/X11, but DON'T FULLY POPULATE IT.
2276                 for dir in "/usr/X11" "/usr/X11R7" "/usr/X11R6" \
2277                         "/usr/local" "/usr"; do
2278                         if test -d "$dir/include/X11"; then
2279                                 x_includes="$dir/include"
2280                                 break
2281                         fi
2282                 done
2283         fi
2284
2285         if test -z "$x_libraries" -o \
2286            "$x_libraries" = "NONE" -o \
2287            ! -d "$x_libraries"; then
2288                 for dir in \
2289                         "/usr/X11/lib" \
2290                         "/usr/X11R7/lib" "/usr/lib/X11R7" \
2291                         "/usr/X11R6/lib" "/usr/lib/X11R6" \
2292                         "/usr/local/lib" "/usr/local/lib/X11" \
2293                         "/usr/lib" "/usr/lib/X11"; do
2294                         if test -r "$dir/libX11.a"; then
2295                                 x_libraries="$dir"
2296                                 break
2297                         fi
2298                 done
2299         fi
2300
2301         AC_PATH_XTRA
2302         if test "$with_x11" != "no"; then
2303                 if test "$no_x" = "yes"; then
2304                         with_x11=no
2305                         window_system=none
2306                         HAVE_X_WINDOWS=no
2307                 else
2308                         with_x11=yes
2309                         window_system=x11
2310                         HAVE_X_WINDOWS=yes
2311                 fi
2312         fi
2313 fi
2314
2315 dnl #### wmperry:: !x11 != NONE
2316 dnl case "$with_x11" in
2317 dnl  yes ) window_system=x11  HAVE_X_WINDOWS=yes ;;
2318 dnl  no  ) window_system=none HAVE_X_WINDOWS=no  ;;
2319 dnl esac
2320
2321 AM_CONDITIONAL([DESCEND_LWLIB], [test "$with_x11" = "yes"])
2322 if test "$with_x11" = "yes"; then
2323         AC_DEFINE([HAVE_X_WINDOWS], [1], [Description here!])
2324         AC_DEFINE([NeedFunctionPrototypes], [1], [Description here!])
2325         AC_DEFINE([FUNCPROTO], [15], [Whatever this is.])
2326         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2327         SXE_APPEND([lwlib], [MAKE_SUBDIR])
2328         SXE_APPEND([lwlib], [SRC_SUBDIR_DEPS])
2329
2330         SXE_ADD_SXEUIX11_OBJS([console-x.o device-x.o event-Xt.o frame-x.o])
2331         SXE_ADD_SXEUIX11_OBJS([glyphs-x.o objects-x.o redisplay-x.o select-x.o])
2332         SXE_ADD_SXEUIX11_OBJS([xgccache.o])
2333
2334         SXE_DUMP_LIBS
2335         ## some debian systems are trying to fool us ... now fool them back!
2336         if test -d "$x_includes"; then
2337                 CPPFLAGS="$CPPFLAGS -I$x_includes"
2338         fi
2339         if test -d "$x_libraries"; then
2340                 LDFLAGS="$LDFLAGS -L$x_libraries"
2341         fi
2342
2343         dnl Look for Motif, but only if not found in $x_includes and $x_libraries
2344         AC_CHECK_HEADERS([Xm/Xm.h])
2345         if test "$ac_cv_header_Xm_Xm_h" = "yes"; then
2346                 AC_CHECK_LIB([Xm], [XmStringFree], [got_motif=yes])
2347         fi
2348
2349         if test "$got_motif" != "yes"; then
2350                 dnl Try to find Motif dirs
2351                 dnl These take precedence over other X libs/includes, so PRE-pend
2352                 for lib_dir in \
2353                         "/usr/dt/lib" "/usr/lib/Motif2.1" \
2354                         "/usr/lib/Motif1.2" "/usr/lib/Motif1.1"; do
2355                         inc_dir=`echo $lib_dir | sed -e 's/lib/include/'`
2356                         if test -d "$lib_dir" -a -d "$inc_dir"; then
2357                                 case "$x_libraries" in
2358                                 *"$lib_dir"* )
2359                                         ;;
2360                                 *)
2361                                         x_libraries="$lib_dir $x_libraries"
2362                                         SXE_PREPEND(["-L${lib_dir}"], [X_LIBS])
2363                                         ;;
2364                                 esac
2365                                 case "$x_includes" in
2366                                 "$inc_dir"* )
2367                                         ;;
2368                                 *)
2369                                         x_includes="$inc_dir $x_includes"
2370                                         SXE_PREPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2371                                         ;;
2372                                 esac
2373                                 break; dnl only need ONE Motif implementation!
2374                         fi
2375                 done
2376         fi
2377
2378         dnl Contrib X libs/includes do NOT take precedence, so AP-pend
2379         for rel in "X11R7" "X11R6" "X11R5" "X11R4"; do
2380                 lib_dir="/usr/contrib/$rel/lib" inc_dir="/usr/contrib/$rel/include"
2381                 if test -d "$lib_dir" -a -d "$inc_dir"; then
2382                         case "$x_libraries" in
2383                         *"$lib_dir"* )
2384                                 ;;
2385                         *)
2386                                 x_libraries="$x_libraries $lib_dir"
2387                                 SXE_APPEND(["-L${lib_dir}"], [X_LIBS])
2388                                 ;;
2389                         esac
2390                         case "$x_includes" in
2391                         "$inc_dir"* )
2392                                 ;;
2393                         *)
2394                                 x_includes="$x_includes $inc_dir"
2395                                 SXE_APPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2396                                 ;;
2397                         esac
2398                         break; dnl Only need ONE X11 implementation !
2399                 fi
2400         done
2401
2402         dnl Avoid version mismatch for shared library libXm.so on osf4
2403         case "$opsys" in
2404         decosf*)
2405                 if test "$GCC" = yes -a -d "/usr/shlib"; then
2406                         SXE_APPEND([-L/usr/shlib], [X_LIBS]);
2407                 fi
2408                 ;;
2409         esac
2410
2411         LDFLAGS="$LDFLAGS $X_LIBS"
2412
2413         if test "$extra_verbose" = "yes"; then
2414                 echo
2415                 echo "X11 compilation variables:"
2416                 SXE_PRINT_VAR(x_libraries x_includes
2417                         X_CFLAGS X_LIBS X_PRE_LIBS X_EXTRA_LIBS)
2418                 echo
2419         fi
2420
2421         dnl Set up bitmaps search path.
2422         dnl The original suggestion was to unconditionally to append X11/bitmaps
2423         dnl to each element of $x_includes, I'm pretty sure this is the wrong
2424         dnl thing to do.  We test for bitmaps and X11/bitmaps directories on each
2425         dnl element and add them to BITMAPDIR if they exist.
2426         bitmapdirs=
2427         if test "$x_includes" != NONE; then
2428                 for i in $x_includes; do
2429                         if test -d "$i/bitmaps"; then
2430                                 bitmapdirs="$i/bitmaps:$bitmapdirs"
2431                         fi
2432                         if test -d "$i/X11/bitmaps"; then
2433                                 bitmapdirs="$i/X11/bitmaps:$bitmapdirs"
2434                         fi
2435                 done
2436                 bitmapdirs=`echo "$bitmapdirs" | sed s/.$//`
2437         fi
2438         if test ! -z "$bitmapdirs"; then
2439                 AC_DEFINE_UNQUOTED([BITMAPDIR], ["$bitmapdirs"], [Description here!])
2440         fi
2441
2442 dnl   dnl Autodetect defines extracted from X config by xmkmf, e.g. NARROWPROTO
2443 dnl   AS_MESSAGE(checking for X defines extracted by xmkmf)
2444 dnl   rm -fr conftestdir
2445 dnl   if mkdir conftestdir; then
2446 dnl     cd conftestdir
2447 dnl     cat > Imakefile <<'EOF'
2448 dnl xetest:
2449 dnl     @echo ${PROTO_DEFINES} ${STD_DEFINES}
2450 dnl EOF
2451 dnl     if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
2452 dnl       # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
2453 dnl       xmkmf_defines=`${MAKE-make} xetest 2>/dev/null | grep -v make`
2454 dnl     fi
2455 dnl     cd ..
2456 dnl     rm -fr conftestdir
2457 dnl     for word in $xmkmf_defines; do
2458 dnl       case "$word" in
2459 dnl       -D__STDC__*) ;;
2460 dnl       -D* )
2461 dnl     sym=`echo '' $word | sed -e 's:^ *-D::' -e 's:=.*::'`
2462 dnl     case "$word" in
2463 dnl       -D*=* ) val=`echo '' $word | sed -e 's:^.*=::'` ;;
2464 dnl       *     ) val=1 ;;
2465 dnl     esac
2466 dnl dnl Avoid re-AC_DEFINE-ing xmkmf symbols we've already defined above.
2467 dnl     if grep "^#define $sym " confdefs.h >/dev/null; then :; else
2468 dnl       if test "$val" = "1"
2469 dnl         then AC_DEFINE_UNQUOTED([$sym], [], [Description here!])
2470 dnl         else AC_DEFINE_UNQUOTED([$sym], [$val], [Description here!])
2471 dnl       fi
2472 dnl     fi  ;;
2473 dnl       esac
2474 dnl     done
2475 dnl   fi
2476
2477         dnl make sure we can find Intrinsic.h
2478         AC_CHECK_HEADER([X11/Intrinsic.h], [],
2479                 [AC_MSG_ERROR([Unable to find X11 header files. Try using --x-includes=<path> if you know the path, or --with-x=no to disable X11 support.])])
2480
2481         dnl Check some more headers
2482         AC_CHECK_HEADERS([X11/Intrinsic.h X11/StringDefs.h X11/Shell.h X11/ShellP.h],
2483                 [],[],
2484                 [[#if HAVE_X11_INTRINSIC_H
2485                   # include <X11/Intrinsic.h>
2486                   # include <X11/IntrinsicP.h>
2487                   # include <X11/CoreP.h>
2488                   #endif]])
2489
2490         dnl -lXt and -lX11 are required
2491         dnl Some broken systems require the magic "-b i486-linuxaout" flag
2492
2493         dnl Other broken systems will not pass these tests unless the pre and
2494         dnl extra libs are passed on...
2495         LIBS="$LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
2496         AC_CHECK_LIB(X11, XOpenDisplay, have_lib_x11=yes)
2497         if test "$have_lib_x11" != "yes"; then
2498                 AC_CHECK_LIB([X11], [XGetFontProperty],
2499                         [],
2500                         [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.])])
2501         fi
2502         SXE_PREPEND([-lX11], [libs_x])
2503         LIBS="$LIBS -lX11"
2504         if test "$extra_verbose" = "yes"; then
2505                 echo "    Setting libs_x to \"-lX11\""
2506         fi
2507         dnl Autodetect -lXext
2508         AC_CHECK_LIB([Xext], [XShapeSelectInput], [SXE_PREPEND([-lXext], [libs_x])])
2509
2510         dnl Require -lXt
2511         AC_CHECK_LIB([Xt], [XtOpenDisplay], [SXE_PREPEND([-lXt], [libs_x])], [
2512                 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.])])
2513
2514         AC_MSG_CHECKING([the version of X11 being used])
2515         AC_RUN_IFELSE([AC_LANG_SOURCE([[
2516 #include <X11/Intrinsic.h>
2517 int main(int c, char *v[]) { return c>1 ? XlibSpecificationRelease : 0; }]])],
2518                 [./conftest foobar; x11_release=$?],[x11_release=4],[x11_release=4])
2519         AC_MSG_RESULT(R${x11_release})
2520         AC_DEFINE_UNQUOTED([X11_RELEASE], [${x11_release}], [Description here!])
2521
2522         AC_CHECK_FUNCS([XConvertCase])
2523         AC_CHECK_LIB([Xt], [XtRegisterDrawable])
2524         if test "$ac_cv_lib_Xt_XtRegisterDrawable" = "yes"; then
2525                 AC_DEFINE([HAVE_XTREGISTERDRAWABLE], [1], [Description])
2526         fi
2527
2528         AC_CHECK_HEADERS(X11/Xlocale.h)
2529
2530         dnl XFree86 has a non-standard prototype for this X11R6 function
2531         AC_CHECK_FUNCS(XRegisterIMInstantiateCallback)
2532         AC_MSG_CHECKING(for standard XRegisterIMInstantiateCallback prototype)
2533         AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2534 #ifndef NeedFunctionPrototypes
2535 #define NeedFunctionPrototypes 1
2536 #endif
2537 #include <X11/Xlib.h>
2538 extern Bool XRegisterIMInstantiateCallback(
2539         Display*, struct _XrmHashBucketRec*, char*, char*, XIMProc, XPointer*);
2540 ]])],
2541         [AC_MSG_RESULT(yes)],
2542         [AC_MSG_RESULT(no)
2543                 AC_DEFINE([XREGISTERIMINSTANTIATECALLBACK_NONSTANDARD_PROTOTYPE],
2544                         [], [Description here!])])
2545
2546         dnl autodetect -lXmu
2547         AC_CHECK_LIB([Xmu], [XmuReadBitmapDataFromFile],
2548                 [with_xmu=yes], [with_xmu=no])
2549         if test "$with_xmu" = "no"; then
2550                 SXE_ADD_SXEUIX11_OBJS([xmu.o])
2551         else
2552                 SXE_PREPEND([-lXmu], [libs_x])
2553                 AC_DEFINE([HAVE_XMU], [1], [Description here!])
2554         fi
2555
2556         dnl Autodetect -lXbsd
2557         dnl #### Someone, please add a better function than main
2558         AC_CHECK_LIB([Xbsd], [main], SXE_PREPEND([-lXbsd], [libs_x]))
2559
2560         dnl restore old values
2561         SXE_RESTORE_LIBS
2562 fi dnl $with_x11 = yes
2563
2564 AC_SUBST([install_pp])
2565
2566 dnl test "$with_dragndrop" != "no" && with_dragndrop="$with_dragndrop_default"
2567 dnl test -z "$window_system" && window_system="none"
2568 with_dragndrop="no"
2569
2570 dnl Test for features that require a window system - ANY window system
2571 if test "$window_system" = "none"; then
2572   for feature in menubars scrollbars toolbars dialogs dragndrop xface
2573   do
2574     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2575        AC_MSG_WARN([--with-$feature ignored:  Not valid without window system support])
2576     fi
2577     eval "with_${feature}=no"
2578   done
2579 else
2580   test -z "with_toolbars" && with_toolbars=yes
2581 fi
2582
2583 dnl Test for features that require X11 support
2584 if test "$with_x11" != "yes"; then
2585   for feature in offix wmcommand xim xmu nas_sound
2586   do
2587     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2588        AC_MSG_WARN([--with-$feature ignored:  Not valid without X support])
2589     fi
2590     eval "with_${feature}=no"
2591   done
2592 fi
2593
2594 dnl Balloon Help requires the Shape extension, not available everywhere,
2595 dnl for example not on AIX 4.3.
2596 if test "$with_x11" = "yes"; then
2597   AC_CHECK_HEADER(X11/extensions/shape.h, [
2598    AC_DEFINE([HAVE_BALLOON_HELP], [1], [Description here!])
2599    SXE_ADD_SXEUIX11_OBJS(balloon_help.o balloon-x.o)
2600    ])
2601 fi
2602
2603 dnl FSF 19.29 has some bitmapdir stuff here.
2604 bitmapdir=
2605
2606 case "$window_system" in
2607   x11  ) HAVE_X_WINDOWS=yes; echo "  Using X11." ;;
2608   none ) HAVE_X_WINDOWS=no ; echo "  Using no window system." ;;
2609 esac
2610
2611 if test -n "$window_system" -a "$window_system" != "none"; then
2612         AC_DEFINE_UNQUOTED([HAVE_WINDOW_SYSTEM], [1], [Description here!])
2613 else
2614     dnl It ought to be reasonable to have no output device at all, and only use
2615     dnl SXEmacs in --batch mode.
2616     if test "$with_tty" = "no" ; then
2617        AC_MSG_WARN([No window system support and no TTY support - You will only be able to use --batch mode.])
2618     fi
2619 fi
2620
2621 case "$x_libraries" in *X11R4* )
2622   test "$opsys" = "hpux9"     && opsysfile="s/hpux9-x11r4.h"
2623   test "$opsys" = "hpux9-shr" && opsysfile="s/hpux9shxr4.h"
2624 esac
2625
2626 dnl Enable or disable proper handling of WM_COMMAND
2627 AS_MESSAGE(checking for WM_COMMAND option);
2628 dnl if test "$with_wmcommand" = "yes"; then
2629 if test "$with_wmcommand" != "no"; then
2630   AC_DEFINE([HAVE_WMCOMMAND], [1], [Description here!])
2631 fi
2632
2633 dnl Autodetect Xauth
2634 dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
2635 test "$with_xauth" != "no" && test "$window_system" = "none" && with_xauth=no
2636 SXE_DUMP_LIBS
2637 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2638 LDFLAGS="$LDFLAGS $X_LIBS"
2639 AC_CHECK_HEADER([X11/Xauth.h], [:], [with_xauth=no])
2640 AC_CHECK_LIB([Xau], [XauGetAuthByAddr], [:], [with_xauth=no])
2641 if test "$with_xauth" = "yes"; then
2642   AC_DEFINE([HAVE_XAUTH], [1], [Description here!])
2643   SXE_CONSECUTIVE_UNDUP([libs_xauth], [$X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS])
2644 fi
2645 SXE_RESTORE_LIBS
2646 AC_SUBST(libs_xauth)
2647
2648 dnl ----------------------
2649 dnl X-Specific Graphics libraries
2650 dnl ----------------------
2651
2652 ## Oki, now that we really need a more exhaustive way to autodetect
2653 ## athena and other widgets we construct a chain.  The elements of
2654 ## that chain are simple atomic tests (provided by AC_DEFUNs).
2655 ## The chain is defined to be:
2656 ##
2657 ## neXtaw -> Xaw3d -> XawXpm -> Xaw95  ->  Xaw  ->  Motif  ->  Nirvana
2658 ## ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^      ^^^      ^^^^^
2659 ##         3d sets                       non-3d   non-athena
2660 ##
2661 ## Now if the user passes a --with-athena=foo option, we jump
2662 ## directly to the according test-suite and in case this fails we jump
2663 ## off the cliff.
2664 ##
2665 ## Attention:
2666 ## We shall perform every test-suite twice, once the correct way, and
2667 ## once with #include'ing the Xfuncproto header.
2668 ## Thanks to the many, many distributions which treat their users
2669 ## like braindead zombies!
2670 ## Especially, I would like to thank Fedora/RedHat for bringing
2671 ## this up. Go on guys, you rock!
2672
2673 ## and now the test chain
2674 if test "$with_x11" = "yes" -a "$with_x" != "no"; then
2675         SXE_CHECK_XTOOLKITS
2676         SXE_CHECK_XT_DEPENDENCIES
2677 else
2678         with_menubars=no
2679         with_scrollbars=no
2680         with_dialogs=no
2681         with_toolbars=no
2682         with_widgets=no
2683 fi
2684
2685 dnl Always compile OffiX unless --without-offix is given, no
2686 dnl X11 support is compiled in, no standard Xmu is available,
2687 dnl or dragndrop support is disabled
2688 dnl Because OffiX support currently loses when more than one display
2689 dnl is in use, we now disable it by default -slb 07/10/1998.
2690 test "$window_system" != "x11" && with_offix=no
2691 if test "$with_xmu" != yes -a "$with_x11" = yes; then
2692   if test "$with_offix" = "yes" ; then
2693     AC_MSG_WARN([--with-offix forced to `no'; no real Xmu support])
2694   fi
2695   with_offix=no
2696 fi
2697 if test "$with_dragndrop" = "no" ; then
2698   if test "$with_offix" = "yes" ; then
2699     AC_MSG_WARN([--with-offix forced to `no'; no generic Drag'n'Drop support])
2700   fi
2701   with_offix=no
2702 fi
2703 if test "$with_offix" = "yes"; then
2704   AC_DEFINE([HAVE_OFFIX_DND], [1], [Description here!])
2705   SXE_APPEND(offix.o, dnd_objs)
2706   SXE_APPEND(OffiX, dragndrop_proto)
2707 fi
2708
2709
2710 ## TTY Options
2711 ## ===========
2712 echo
2713 echo "TTY Options"
2714 echo "==========="
2715
2716
2717 dnl ---------------------
2718 dnl TTY-dependent options
2719 dnl ---------------------
2720
2721 dnl checks for header files
2722 AC_CHECK_HEADERS([libintl.h nlist.h sgtty.h termio.h termios.h])
2723
2724 if test "$with_tty" != "no"  ; then
2725        AS_MESSAGE(checking for TTY-related features)
2726         AC_DEFINE([HAVE_TTY], [1], [Description here!])
2727         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2728         SXE_ADD_SXEUITTY_OBJS([console-tty.o device-tty.o event-tty.o frame-tty.o objects-tty.o redisplay-tty.o cm.o])
2729
2730   dnl Autodetect ncurses.
2731   AC_CHECK_LIB(ncurses, tgetent, , with_ncurses=no)
2732   AC_CHECK_LIB(ncurses, tgetstr, , with_ncurses=no)
2733   AC_CHECK_LIB(ncurses, tparm, , with_ncurses=no)
2734   if test "$with_ncurses" != "no"; then
2735     AC_DEFINE([HAVE_NCURSES], [1], [Description here!])
2736     with_ncurses=yes
2737     AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2738     if test -z "$curses_h_file"; then
2739             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2740     fi
2741     if test -n "$curses_h_file"; then
2742             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2743             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2744     else
2745             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2746             AC_CHECK_HEADER(termcap.h, termcap_h_file=termcap.h)
2747             AC_CHECK_HEADER(term.h,    term_h_file=term.h)
2748     fi
2749     SXE_ADD_SXEUITTY_OBJS(terminfo.o)
2750     SXE_PREPEND(-lncurses, LIBS)
2751
2752     if test -z "$curses_h_file" ; then
2753       dnl Try again, and check for the bogus ncurses/ include bug.
2754       dnl (i.e. ncurses/curses.h bogusly includes <unctrl.h> instead of
2755       dnl <ncurses/unctrl.h>)
2756       save_c_switch_site="$c_switch_site"
2757       c_switch_site="$c_switch_site -I/usr/include/ncurses"
2758       AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2759       if test -z "$curses_h_file"; then
2760             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2761       fi
2762       if test -n "$curses_h_file"; then
2763             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2764             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2765       else
2766             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2767             AC_CHECK_HEADER(termcap.h, curses_h_file=termcap.h)
2768             AC_CHECK_HEADER(term.h,    curses_h_file=term.h)
2769       fi
2770       if test -n "$curses_h_file"
2771         then AC_MSG_WARN([Your system has the bogus ncurses include bug.])
2772         else c_switch_site="$save_c_switch_site"
2773       fi
2774     fi
2775   fi
2776   if test "$with_ncurses" = "no" -o -z "$curses_h_file" ; then
2777
2778     # Check alternate library includes
2779     for lib in curses term terminfo termcap; do
2780         AC_CHECK_HEADER(${lib}.h, [
2781                 eval ${lib}_h_file=${lib}.h
2782                 AC_CHECK_LIB($lib, tgetent, eval have_${lib}=yes, eval have_${lib}=no)
2783                 AC_CHECK_LIB($lib, tgetstr, , eval have_${lib}=no)])
2784     done
2785
2786     for lib in curses terminfo termlib termcap; do
2787           have_lib_eval=`eval echo \\$have_$lib`
2788           if test "$have_lib_eval" = "yes"; then
2789                 AC_CHECK_LIB($lib, tparm,
2790                           SXE_ADD_SXEUITTY_OBJS(terminfo.o),
2791                           SXE_ADD_SXEUITTY_OBJS(tparam.o))
2792                 SXE_PREPEND(-l${lib}, LIBS)
2793                 break
2794           fi
2795     done
2796   fi
2797   if test -n "$curses_h_file"; then
2798         AC_DEFINE_UNQUOTED([HAVE_CURSES_H], [1], [There is a curses.h header file available])
2799   fi
2800   if test -n "$termcap_h_file"; then
2801         AC_DEFINE_UNQUOTED([HAVE_TERMCAP_H], [1], [There is a termcap.h header available])
2802   fi
2803   if test -n "$term_h_file"; then
2804         AC_DEFINE_UNQUOTED([HAVE_TERM_H], [1], [There is a term.h header available])
2805   fi
2806   AC_DEFINE_UNQUOTED([CURSES_H_FILE], ["${curses_h_file-curses.h}"], [The curses.h header file])
2807   AC_DEFINE_UNQUOTED([TERMCAP_H_FILE], ["${termcap_h_file-termcap.h}"], [The termcap.h header file])
2808   AC_DEFINE_UNQUOTED([TERM_H_FILE], ["${term_h_file-term.h}"], [The term.h header file])
2809
2810   dnl General Purpose Mouse (libgpm) support
2811   if test "$with_gpm" != "no"; then
2812     AC_CHECK_HEADER(gpm.h, [
2813       AC_CHECK_LIB(gpm, Gpm_Open, have_gpm=yes)])
2814     if test "$have_gpm" = "yes"; then
2815       with_gpm=yes
2816       AC_DEFINE([HAVE_GPM], [1], [General Purpose Mouse (libgpm) is available])
2817       SXE_ADD_SXEUITTY_OBJS(gpmevent.o)
2818       SXE_PREPEND(-lgpm, LIBS)
2819     else
2820       with_gpm=no
2821     fi
2822   fi
2823
2824 else dnl "$with_tty" = "no"
2825   for feature in ncurses curses termcap terminfo termlib gpm; do
2826     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2827       AC_MSG_WARN([--with-${feature} ignored:  Not valid without TTY support])
2828     fi
2829     eval "with_${feature}=no"
2830   done
2831 fi dnl with_tty
2832
2833 SXE_CHECK_UI_SUFFICIENCY
2834
2835 ## Uncertain options
2836 ## =================
2837 echo
2838 echo "Uncertain options"
2839 echo "================="
2840
2841 ## for native xml support one day
2842 SXE_LANG_CHECK_XML
2843 SXE_CHECK_SUFFICIENCY([libxml2], [xml language])
2844 ## for BoehmGC support one day
2845 SXE_CHECK_BDWGC
2846 SXE_CHECK_SUFFICIENCY([bdwgc], [Boehm-Demers-Weiser GC])
2847
2848 if test "$with_experimental_features_bdwgc" = "yes"; then
2849         AC_MSG_CHECKING([if bdwgc prerequisites are met])
2850         AC_MSG_RESULT([${have_bdwgc}])
2851         have_experimental_features_bdwgc=${have_bdwgc}
2852         if test "${have_bdwgc}" = "yes"; then
2853                 AC_DEFINE([EF_USE_BDWGC], [1],
2854                         [Whether to actually use the BDWGC!])
2855         fi
2856 fi
2857
2858
2859 dnl This one is for the static initializeds variables in
2860 dnl offix.c, so that the thing is dumped after lastfile.o
2861 AC_SUBST(dnd_objs)
2862
2863 dnl Autodetect dll support
2864
2865 LIBSTDCPP=
2866 AC_SUBST(LIBSTDCPP)
2867
2868
2869 ## Multimedia Options
2870 ## ==================
2871 echo
2872 echo "Multimedia Options"
2873 echo "=================="
2874
2875 dnl ----------------------
2876 dnl Graphics libraries
2877 dnl ----------------------
2878
2879 if test "$with_image_xpm" = "yes"; then
2880         SXE_MM_CHECK_XPM([have_image_xpm=yes], [have_image_xpm=no])
2881
2882         AC_MSG_CHECKING([for sufficient xpm support])
2883         if test "$have_image_xpm" = "yes"; then
2884                 AC_MSG_RESULT([yes])
2885                 AC_DEFINE([HAVE_XPM], [1], [Description here!])
2886                 SXE_PREPEND([-lXpm], [MM_LIBS])
2887         else
2888                 AC_MSG_RESULT([no])
2889                 have_image_xpm=no
2890         fi
2891 fi
2892 AM_CONDITIONAL([WITH_BDWGC],
2893         [test "$with_experimental_features_bdwgc" = "yes" -a \
2894               "$have_bdwgc" = "yes"])
2895
2896 if test "$with_image_xface" = "yes"; then
2897         SXE_MM_CHECK_XFACE([have_image_xface=yes], [have_image_xface=no])
2898
2899         AC_MSG_CHECKING([for sufficient xface support])
2900         if test "$have_image_xface" = "yes"; then
2901                 AC_MSG_RESULT([yes])
2902                 AC_DEFINE([HAVE_XFACE], [1], [dnl
2903                         Both compface.h and libcompface have been found.])
2904                 SXE_PREPEND([-lcompface], [MM_LIBS])
2905         else
2906                 AC_MSG_RESULT([no])
2907                 have_image_xface=no
2908         fi
2909 fi
2910
2911 if test "$with_image_gif" = "yes"; then
2912         SXE_MM_CHECK_GIF([have_image_gif=yes], [have_image_gif=no])
2913
2914         AC_MSG_CHECKING([for sufficient gif support])
2915         if test "$have_image_gif" = "yes"; then
2916                 AC_MSG_RESULT([yes])
2917                 AC_DEFINE([HAVE_GIF], [1], [Enable internal GIF decoding])
2918                 SXE_ADD_MM_OBJS(dgif_lib.o gif_io.o)
2919         else
2920                 AC_MSG_RESULT([no])
2921         fi
2922 fi
2923
2924 SXE_MM_SEARCH_INFLATE
2925
2926 if test "$with_image_jpeg" = "yes"; then
2927         SXE_MM_CHECK_JPEG([have_image_jpeg=yes], [have_image_jpeg=no])
2928
2929         AC_MSG_CHECKING([for sufficient jpeg support])
2930         if test "$have_image_jpeg" = "yes"; then
2931                 AC_MSG_RESULT([yes])
2932                 AC_DEFINE([HAVE_JPEG], [1], [
2933                         Both jpeglib.h and libjpeg have been found.])
2934                 SXE_PREPEND([-ljpeg], [MM_LIBS])
2935         else
2936                 AC_MSG_RESULT([no])
2937         fi
2938 fi
2939
2940 if test "$with_image_png" = "yes"; then
2941         AC_DEFINE([WITH_PNG], [1], [Define to 1 if png support is desired.])
2942         SXE_MM_CHECK_PNG([have_image_png="yes"], [have_image_png="no"])
2943
2944         SXE_MSG_CHECKING([for sufficient PNG support])
2945         SXE_MSG_RESULT([${sxe_cv_feat_png}])
2946         if test "$sxe_cv_feat_png" = "yes"; then
2947                 SXE_PREPEND_UNDUP([$PNG_CPPFLAGS], [MM_CPPFLAGS])
2948                 SXE_PREPEND_UNDUP([$PNG_LDFLAGS], [MM_LDFLAGS])
2949                 SXE_PREPEND([$PNG_LIBS], [MM_LIBS])
2950         fi
2951 fi
2952
2953 if test "$with_image_tiff" = "yes"; then
2954         SXE_MM_CHECK_TIFF([have_image_tiff=yes], [have_image_tiff=no])
2955
2956         AC_MSG_CHECKING([for sufficient TIFF support])
2957         if test "$have_image_tiff" = "yes"; then
2958                 AC_MSG_RESULT([yes])
2959                 AC_DEFINE([HAVE_TIFF], [1], [
2960                         Both tiffio.h and libtiff have been found.])
2961                 SXE_PREPEND([-ltiff], [MM_LIBS])
2962         else
2963                 AC_MSG_RESULT([no])
2964         fi
2965 fi
2966
2967 dnl Check for audio output and media stream libraries.
2968
2969 dnl internal media stream analysis support
2970 if test "$with_media_internal" != "no"; then
2971         need_media_internal=yes
2972         have_media_internal=yes
2973 fi
2974
2975 ## Since almost any of the below tests uses pkgconfig we make a
2976 ## once-for-all-times check now
2977 SXE_SEARCH_CONFIG_PROG([pkg-config])
2978
2979 dnl libsndfile support
2980 if test "$with_media_sndfile" != "no"; then
2981         SXE_MM_CHECK_SNDFILE([have_media_sndfile=yes], [have_media_sndfile=no])
2982
2983         AC_MSG_CHECKING([for sufficient sndfile support])
2984         if test "$have_media_sndfile" = "yes"; then
2985                 AC_MSG_RESULT([yes])
2986                 SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
2987                 SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags sndfile`
2988                 SNDFILE_VERSION=`$PKG_CONFIG --modversion sndfile`
2989                 SXE_PREPEND([$SNDFILE_LIBS], [MM_LIBS])
2990                 SXE_PREPEND_UNDUP([$SNDFILE_CPPFLAGS], [MM_CPPFLAGS])
2991                 SXE_ADD_MM_OBJS([media-sndfile.o])
2992                 AC_DEFINE([HAVE_SNDFILE], [1],
2993                         [Whether we appear to have support for the sndfile library!])
2994                 AC_DEFINE_UNQUOTED([SNDFILE_VERSION], [$SNDFILE_VERSION],
2995                         [Version of the sndfile library!])
2996         else
2997                 AC_MSG_RESULT([no])
2998                 have_media_sndfile=no
2999         fi
3000 fi
3001
3002 dnl libavcodec/libavformat/ffmpeg support
3003 if test "$with_media_ffmpeg" != "no"; then
3004         SXE_MM_CHECK_FFMPEG([have_media_ffmpeg=yes], [have_media_ffmpeg=no])
3005
3006         AC_MSG_CHECKING([for sufficient FFmpeg support])
3007
3008         if test "$have_media_ffmpeg" = "yes"; then
3009                 AC_MSG_RESULT([yes])
3010                 FFMPEG_LIBS=`$PKG_CONFIG --libs libavformat`
3011                 FFMPEG_CPPFLAGS=`$PKG_CONFIG --cflags libavformat`
3012                 SXE_PREPEND($FFMPEG_LIBS, MM_LIBS)
3013                 SXE_PREPEND_UNDUP($FFMPEG_CPPFLAGS, MM_CPPFLAGS)
3014                 SXE_ADD_MM_OBJS([media-ffmpeg.o])
3015                 AC_DEFINE([HAVE_FFMPEG], [1], [Description here!])
3016         else
3017                 AC_MSG_RESULT([no])
3018                 have_media_ffmpeg=no
3019         fi
3020 fi
3021
3022 dnl sox support
3023 if test "$with_media_sox" != "no"; then
3024         ## defines $LIBST_CONFIG
3025         SXE_MM_CHECK_SOX([have_media_sox=yes], [have_media_sox=no])
3026
3027         AC_MSG_CHECKING([for sufficient SoX support])
3028         if test "$sxe_cv_feat_sox" = "yes"; then
3029                 AC_MSG_RESULT([yes])
3030                 SXE_ADD_MM_OBJS([media-sox.o])
3031                 SXE_PREPEND_UNDUP([$sox_cppflags], [MM_CPPFLAGS])
3032                 SXE_PREPEND_UNDUP([$sox_ldflags], [MM_LDFLAGS])
3033                 SXE_PREPEND([$sox_libs], [MM_LIBS])
3034                 AC_DEFINE([HAVE_SOX], [1], [Description here!])
3035         else
3036                 AC_MSG_RESULT(no)
3037                 have_media_sox=no
3038         fi
3039 fi
3040
3041 dnl mad support
3042 if test "$with_media_mad" != "no"; then
3043         SXE_MM_CHECK_MAD([have_media_mad=yes], [have_media_mad=no])
3044
3045         AC_MSG_CHECKING([for sufficient mad support])
3046         if test "$have_media_mad" = "yes"; then
3047                 AC_MSG_RESULT([yes])
3048                 SXE_ADD_MM_OBJS([media-mad.o])
3049                 SXE_PREPEND([-lmad], [MM_LIBS])
3050                 AC_DEFINE([HAVE_MAD], [1], [Description here!])
3051         else
3052                 AC_MSG_RESULT(no)
3053                 have_media_mad=no
3054         fi
3055 fi
3056
3057 ## file/libmagic support
3058 if test "$with_media_magic" != "no"; then
3059         SXE_MM_CHECK_MAGIC([have_media_magic=yes], [have_media_magic=no])
3060
3061         AC_MSG_CHECKING([for sufficient magic support])
3062         if test "$have_media_magic" = "yes"; then
3063                 AC_MSG_RESULT([yes])
3064                 SXE_ADD_MM_OBJS([media-magic.o])
3065                 SXE_PREPEND([-lmagic], [MM_LIBS])
3066                 AC_DEFINE([HAVE_MAGIC], [1], [Whether libmagic is available])
3067         else
3068                 AC_MSG_RESULT([no])
3069                 have_media_magic=no
3070         fi
3071 fi
3072
3073
3074 dnl Autodetect OSS sound
3075 AS_MESSAGE([checking for OSS sound support])
3076 dnl test -z "$with_sound_oss" -a -n "$with_oss_sound_lib" && with_sound_oss=yes
3077
3078 dnl Check for Linux/BSD sound (called OSS)
3079 if test "$with_sound_oss" != "no"; then
3080         SXE_MM_CHECK_OSS([have_sound_oss=yes], [have_sound_oss=no])
3081
3082         AC_MSG_CHECKING([for sufficient OSS support])
3083         if test "$have_sound_oss" = "yes"; then
3084                 AC_MSG_RESULT([yes])
3085                 SXE_ADD_MM_OBJS([sound-oss.o])
3086                 AC_DEFINE([HAVE_INTERNAL_SOUND], [1], [Description here!])
3087                 AC_DEFINE([HAVE_OSS_SOUND], [1], [Description here!])
3088         else
3089                 AC_MSG_RESULT([no])
3090                 have_sound_oss=yes
3091         fi
3092 fi
3093
3094 dnl NAS Sound support
3095 if test "$with_sound_nas" != "no"; then
3096         SXE_MM_CHECK_NAS([have_sound_nas=yes], [have_sound_nas=no])
3097
3098         AC_MSG_CHECKING([for sufficient NAS support])
3099         if test "$have_sound_nas" = "yes"; then
3100                 AC_MSG_RESULT([yes])
3101                 AC_DEFINE([HAVE_NAS_SOUND], [1], [Description here!])
3102                 SXE_ADD_MM_OBJS([sound-nas.o])
3103                 SXE_PREPEND([-laudio], [MM_LIBS])
3104         else
3105                 AC_MSG_RESULT([no])
3106                 have_nas_sound=no
3107         fi
3108 fi
3109
3110 dnl ESD Sound support
3111 if test "$with_sound_esd" != "no"; then
3112         SXE_MM_CHECK_ESD([have_sound_esd=yes], [have_sound_esd=no])
3113
3114         AC_MSG_CHECKING([for sufficient ESD support])
3115         if test "$have_sound_esd" = "yes"; then
3116                 AC_MSG_RESULT([yes])
3117                 need_internal_media=yes
3118                 SXE_ADD_MM_OBJS([sound-esd.o])
3119                 ESD_LIBS=$("${ESD_CONFIG}" --libs)
3120                 SXE_PREPEND(["${ESD_LIBS}"], [MM_LIBS])
3121                 AC_DEFINE([HAVE_ESD_SOUND], [1], [Description here!])
3122         else
3123                 AC_MSG_RESULT([no])
3124                 have_esd_sound=no
3125         fi
3126 fi
3127
3128 dnl PulseAudio Sound support
3129 if test "$with_pulseaudio" != "no"; then
3130         SXE_MM_CHECK_PULSE([have_sound_pulse=yes], [have_sound_pulse=no])
3131
3132         AC_MSG_CHECKING([for sufficient PulseAudio support])
3133         if test "$have_sound_pulse" = "yes"; then
3134                 AC_MSG_RESULT([yes])
3135                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse`
3136                 pulse_version=`$PKG_CONFIG --modversion libpulse`
3137                 pulse_major_version=0
3138                 pulse_minor_version=`echo $pulse_version | \
3139                         sed -e "s/0\.\([[0-9]]*\).*/\1/"`
3140                 need_internal_media=yes
3141                 SXE_ADD_MM_OBJS([sound-pulse.o])
3142                 SXE_PREPEND($PULSEAUDIO_LIBS, MM_LIBS)
3143                 AC_DEFINE([HAVE_PULSE_SOUND], [1],
3144                         [Whether to put in support for PulseAudio.])
3145                 AC_DEFINE_UNQUOTED([PULSE_VERSION], [$pulse_minor_version],
3146                         [Version of the underlying pulse lib.])
3147         else
3148                 AC_MSG_RESULT(no)
3149                 have_sound_pulse=no
3150         fi
3151 fi
3152
3153 dnl Jack Sound support
3154 if test "$with_sound_jack" != "no"; then
3155         SXE_MM_CHECK_JACK([have_sound_jack=yes], [have_sound_jack=no])
3156
3157         AC_MSG_CHECKING([for sufficient Jack support])
3158         if test "$have_sound_jack" = "yes"; then
3159                 AC_MSG_RESULT([yes])
3160                 dnl okay, we have Jack on the system, but we have no working
3161                 dnl interface to it :(
3162                 JACK_LIBS=`$PKG_CONFIG --libs jack`
3163                 JACK_VERSION=`$PKG_CONFIG --modversion jack`
3164                 need_internal_media=yes
3165                 SXE_ADD_MM_OBJS([sound-jack.o])
3166                 SXE_PREPEND([$JACK_LIBS], [MM_LIBS])
3167                 AC_DEFINE([HAVE_JACK_SOUND], [1], [Description here!])
3168                 AC_DEFINE_UNQUOTED([JACK_VERSION], [$JACK_VERSION],
3169                         [Description here!])
3170         else
3171                 AC_MSG_RESULT(no)
3172         fi
3173 fi
3174
3175 dnl alsa sound support
3176 if test "$with_sound_alsa" != "no"; then
3177         SXE_MM_CHECK_ALSA([have_sound_alsa=yes], [have_sound_alsa=no])
3178
3179         AC_MSG_CHECKING([for sufficient ALSA support])
3180         if test "$have_sound_alsa" = "yes"; then
3181                 AC_MSG_RESULT([yes])
3182                 SXE_ADD_MM_OBJS([sound-alsa.o])
3183                 SXE_PREPEND([-lasound], [MM_LIBS])
3184         else
3185                 AC_MSG_RESULT(no)
3186                 have_sound_alsa=no
3187         fi
3188 fi
3189
3190 dnl libao sound support
3191 if test "$with_sound_ao" != "no"; then
3192         SXE_MM_CHECK_AO([have_sound_ao=yes], [have_sound_ao=no])
3193
3194         AC_MSG_CHECKING([for sufficient AO support])
3195         if test "$have_sound_ao" = "yes"; then
3196                 AC_MSG_RESULT([yes])
3197                 AO_LIBS=`$PKG_CONFIG --libs ao`
3198                 ao_version=`$PKG_CONFIG --modversion ao`
3199                 SXE_ADD_MM_OBJS([sound-ao.o])
3200                 SXE_PREPEND($AO_LIBS, MM_LIBS)
3201                 AC_DEFINE([HAVE_AO_SOUND], [1], [Description here!])
3202                 AC_DEFINE_UNQUOTED([AO_VERSION], [$ao_version], [Description here!])
3203         else
3204                 AC_MSG_RESULT(no)
3205                 have_sound_ao=no
3206         fi
3207 fi
3208
3209 if test \
3210    "$have_sound_alsa \
3211     $have_sound_ao \
3212     $have_sound_esd \
3213     $have_sound_jack \
3214     $have_sound_nas \
3215     $have_sound_pulse" != "no no no no no no"; then
3216         AC_DEFINE([HAVE_AUDIO], [1], [Description here!])
3217 fi
3218 if test "$need_internal_media" = "yes"; then
3219         with_internal_media=yes
3220         AC_DEFINE([HAVE_INTERNAL_MEDIA], [1], [Description here!])
3221         SXE_ADD_MM_OBJS([media-internal.o])
3222 fi
3223 AC_SUBST([MM_LIBS])
3224 AC_SUBST([MM_CPPFLAGS])
3225 AC_SUBST([MM_LDFLAGS])
3226 SXE_SUBST_MM_OBJS
3227
3228
3229 ## Internationalisation Options
3230 ## ============================
3231 echo
3232 echo "Internationalisation Options"
3233 echo "============================"
3234
3235 dnl ----------------------
3236 dnl Mule-dependent options
3237 dnl ----------------------
3238
3239 dnl if test "$with_mule" = "yes" && test ! -d "$sxe_srcdir/lisp/mule"; then
3240 dnl     echo "Attempt to Build with Mule without Mule/Lisp"
3241 dnl     echo "Please install the SXEmacs/Mule tarball or"
3242 dnl     echo "rerun configure with --with-mule=no"
3243 dnl     exit 1
3244 dnl fi
3245
3246 if test "$with_file_coding" = "yes" && test "$with_mule" = "no"; then
3247   AC_DEFINE([FILE_CODING], [1], [Description here!])
3248   SXE_ADD_MULE_OBJS(file-coding.o)
3249 fi
3250
3251 if test "$with_mule" = "yes" ; then
3252         SXE_CHECK_MULE
3253
3254 else dnl "$with_mule" = "no"
3255         for feature in xim canna wnn; do
3256                 if eval "test -n \"\$with_${feature}\" -a \
3257                         \"\$with_${feature}\" != no" ; then
3258                         AC_MSG_WARN([--with-${feature} ignored:  Not valid without Mule support])
3259                 fi
3260                 eval "with_${feature}=no"
3261         done
3262 fi dnl with_mule
3263 SXE_SUBST_MULE_OBJS
3264 AM_CONDITIONAL([WITH_MULE], [test "$with_mule" = "yes"])
3265
3266
3267 dnl At this point, we know whether we need the motif lib or not.
3268 if test "$need_motif" = "yes" ; then
3269         SXE_PREPEND([-lXm], [libs_x])
3270         dnl AIX needs the following library for use with Motif
3271         AC_CHECK_LIB([i18n], [layout_object_getvalue])
3272         if test "$ac_cv_lib_i18n_layout_object_getvalue" = "yes"; then
3273                 SXE_PREPEND([-li18n], [libs_x])
3274         fi
3275 fi
3276
3277 dnl getaddrinfo() is borked under hpux11
3278 if test "$ac_cv_func_getaddrinfo" != "no" ; then
3279   case "$opsys" in
3280     hpux11 )
3281       AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
3282       ac_cv_func_getaddrinfo=no
3283       ;;
3284   esac
3285 fi
3286
3287
3288 ## Database Options
3289 ## ================
3290 echo
3291 echo "Database Options"
3292 echo "================"
3293
3294 dnl Database support
3295 dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
3296 dnl On FreeBSD, both DB and DBM are part of libc.
3297 dnl By default, we check for DBM support in libgdbm, then libc, then libdbm.
3298
3299 ## initialise values
3300 have_database_berkdb=no
3301 have_database_gdbm=no
3302 have_database_dbm=no
3303
3304 if test "$with_database_gdbm $with_database_dbm $with_database_berkdb" \
3305    != "no no no"; then
3306         AS_MESSAGE(checking for database support)
3307 fi
3308
3309 dnl Check for ndbm.h, required for either kind of DBM support.
3310 if test "$with_database_gdbm $with_database_dbm" != "no no"; then
3311         SXE_CHECK_NDBM
3312         if test "$sxe_cv_feat_ndbm" = "no"; then
3313                 have_database_gdbm="no"
3314                 have_database_dbm="no"
3315         fi
3316 fi
3317
3318 dnl Check for DBM support in libgdbm or libgdbm_compat.
3319 if test "$with_database_gdbm" != "no"; then
3320         SXE_CHECK_GDBM
3321
3322         if test "$sxe_cv_feat_gdbm" = "yes"; then
3323                 have_database_gdbm="yes"
3324         else
3325                 have_database_gdbm="no"
3326         fi
3327 fi
3328
3329 dnl Check for DBM support in libc and libdbm.
3330 if test "$with_database_dbm" != "no"; then
3331         SXE_CHECK_DBM
3332
3333         if test "$sxe_cv_feat_gdbm" != "yes" -a \
3334                 "$sxe_cv_feat_dbm" = "yes"; then
3335                 have_database_dbm="yes"
3336         else
3337                 have_database_dbm="no"
3338         fi
3339 fi
3340
3341 dnl Check for Berkeley DB.
3342 if test "$with_database_berkdb" != "no"; then
3343         SXE_CHECK_BERKDB
3344
3345         if test "$sxe_cv_feat_berkdb" = "yes"; then
3346                 have_database_berkdb="yes"
3347         else
3348                 have_database_berkdb="no"
3349         fi
3350 fi
3351
3352 if test "$have_database_gdbm $have_database_dbm $have_database_berkdb" \
3353      != "no no no"; then
3354         AC_DEFINE([HAVE_DATABASE], [1], [Description here!])
3355         SXE_ADD_DB_OBJS([database.o])
3356
3357         SXE_CHECK_NDBM_BERKDB_CONFLICT
3358         if test "$sxe_cv_db_ndbm_berkdb_conflict" = "yes"; then
3359                 ## can't do nothing because the way we designed it
3360                 ## is going to conflict at compile time
3361                 have_database_gdbm="no"
3362                 have_database_dbm="no"
3363
3364         elif test "$have_database_gdbm $have_database_dbm" != "no no"; then
3365                 AC_DEFINE([HAVE_DBM], [1], [Description here!])
3366
3367                 ## Also, tell make about the DBM support we detected.
3368                 if test -n "$libdbm"; then
3369                         SXE_PREPEND([$libdbm], [DB_LIBS])
3370                 fi
3371         fi
3372 fi
3373
3374
3375 dnl Autodetect LDAP
3376 if test "$with_ldap" != "no"; then
3377         SXE_CHECK_LDAP
3378 fi
3379 if test "$have_ldap" = "yes"; then
3380         AC_DEFINE([HAVE_LDAP], [1], [Description here!])
3381         SXE_ADD_DB_OBJS(eldap.o)
3382         if test "$have_ldap_des" = "yes" ; then
3383                 SXE_PREPEND(-ldes, DB_LIBS)
3384         fi
3385         if test "$have_ldap_krb" = "yes" ; then
3386                 SXE_PREPEND(-lkrb, DB_LIBS)
3387         fi
3388         if test "$have_ldap_lber" = "yes" ; then
3389                 SXE_PREPEND(-llber, DB_LIBS)
3390         fi
3391         SXE_PREPEND(-lldap, DB_LIBS)
3392
3393         dnl save our values until here
3394         save_LIBS="$LIBS"
3395         LIBS="$DB_LIBS $LIBS"
3396         AC_CHECK_FUNCS(
3397                 [ldap_set_option ldap_get_lderrno ldap_result2error ldap_parse_result])
3398         dnl and restore
3399         LIBS="$save_LIBS"
3400 fi
3401
3402 dnl Autodetect PostgreSQL
3403 if test "x$with_postgresql" != "xno"; then
3404         SXE_CHECK_POSTGRESQL
3405 fi
3406 SXE_SUBST_DB_OBJS
3407
3408
3409 dnl Usage tracking (undocumented and likely unused option)
3410 if test "$usage_tracking" = "yes"; then
3411   AC_DEFINE([USAGE_TRACKING], [1], [Description here!])
3412   SXE_PREPEND(-Bstatic -lut -Bdynamic, LIBS)
3413 fi
3414
3415 dnl Unfortunately, just because we can link doesn't mean we can run.
3416 dnl One of the above link tests may have succeeded but caused resulting
3417 dnl executables to fail to run.  Also any tests using AC_RUN_IFELSE will
3418 dnl have reported incorrect results.
3419 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int c,char *v[]){return 0;}]])],[:],[
3420   echo ""
3421   echo "*** PANIC *** The C compiler can no longer build working executables."
3422   echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
3423   echo "*** PANIC *** The most likely reason for this problem is that configure"
3424   echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
3425   echo "*** PANIC *** found at run time."
3426   echo "*** PANIC ***"
3427   echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
3428   echo "*** PANIC *** On other systems, try telling configure where to find the"
3429   echo "*** PANIC *** shared libraries using the --with-site-runtime-libraries option"
3430   echo "*** PANIC ***"
3431   echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
3432   echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
3433   echo "*** PANIC *** on your system.  Don't do that."
3434   exit 1], [AS_MESSAGE(cannot cross-compile)])
3435
3436 dnl Process support
3437 AC_DEFINE([HAVE_UNIX_PROCESSES], [1], [Description here!])
3438
3439 dnl --------------------------------
3440 dnl Compute SUBST-itutable variables
3441 dnl --------------------------------
3442
3443 dnl We ignore (C|LD)_SWITCH_X_(MACHINE|SYSTEM)
3444 dnl Use SXE_CONSECUTIVE_UNDUP instead of plain assignment statements to remove extraneous blanks
3445 if test "$with_module_support" = "yes"; then
3446         ld_libs_module=
3447 else
3448         SXE_CONSECUTIVE_UNDUP(ld_libs_module, $ldap_libs $postgresql_libs)
3449 fi
3450
3451 SXE_UNDUP(CFLAGS, $CFLAGS)
3452 SXE_UNDUP(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system $CFLAGS $CPPFLAGS)
3453 SXE_UNDUP(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
3454 SXE_UNDUP(c_switch_all, $c_switch_general $c_switch_window_system)
3455 SXE_UNDUP(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
3456 SXE_UNDUP(ld_switch_window_system, $ld_switch_x_site)
3457 SXE_UNDUP(ld_switch_all, $ld_switch_general $ld_switch_window_system)
3458 dnl Since some systems need libs to be restated later, we can't just dedup, we can only safely dedup
3459 dnl consecutive occurrences
3460 SXE_CONSECUTIVE_UNDUP(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
3461 SXE_CONSECUTIVE_UNDUP(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
3462 SXE_CONSECUTIVE_UNDUP(ld_libs_all, $OPENSSL_LIBS $DB_LIBS $ENT_LIBS $MM_LIBS $ld_libs_window_system $ld_libs_general $ld_libs_module)
3463
3464 dnl For no-module builds, make the src dir last
3465 if test "$with_module_support" = "no"; then
3466         SXE_APPEND(src, MAKE_SUBDIR)    dnl is that still important?
3467 fi
3468
3469 EMACS=$sxe_blddir/src/$PROGNAME
3470 AC_SUBST(EMACS)
3471
3472 dnl Compute lists of Makefiles and subdirs
3473 AC_SUBST(SRC_SUBDIR_DEPS)
3474 internal_makefile_list="Makefile.in"
3475 SUBDIR_MAKEFILES=''
3476 test -d lock || mkdir lock
3477 for dir in $MAKE_SUBDIR; do
3478   case "$dir" in */* ) dnl Implement mkdir -p
3479     ( for d in `echo $dir | sed 's:/: :g'` ; do
3480         test -d "$d" || mkdir "$d"; cd "$d"
3481       done ) ;;
3482    * ) test -d "$dir" || mkdir "$dir" ;;
3483   esac
3484   SXE_SPACE(SUBDIR_MAKEFILES, $SUBDIR_MAKEFILES $dir/Makefile $dir/Makefile)
3485   SXE_SPACE(internal_makefile_list, $internal_makefile_list $dir/Makefile.in)
3486 done
3487
3488 AC_SUBST(INSTALL_ARCH_DEP_SUBDIR)
3489 AC_SUBST(MAKE_SUBDIR)
3490 AC_SUBST(MAKE_AM_SUBDIR)
3491 AC_SUBST(SUBDIR_MAKEFILES)
3492
3493 dnl ----------------------------------------------
3494 dnl Create some auxiliary files for developers.
3495 dnl ----------------------------------------------
3496
3497 dnl Create a useful TAGS file
3498 if test -f "$sxe_srcdir/TAGS" -a ! -f "TAGS"; then
3499   test "$extra_verbose" = "yes" && echo "creating TAGS"
3500   echo "\f
3501 $sxe_srcdir/TAGS,include" > "TAGS"
3502 fi
3503
3504 dnl Create top level .sbinit for Sun compilers
3505 if test "$__SUNPRO_C" = "yes"; then
3506   test "$extra_verbose" = "yes" && echo "creating .sbinit"
3507   ( echo "# For use with Sun WorkShop's Source browser."
3508     echo "# See sbquery(1) and sbinit(4) for more information"
3509     for dir in $MAKE_SUBDIR; do echo "import $dir"; done
3510   ) > .sbinit
3511 fi
3512
3513 ### whether to build with profile.o
3514 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3515 int main(int c, char *v[])
3516 {
3517 #ifdef HAVE_SETITIMER
3518         return 1;
3519 #else
3520         return 0;
3521 #endif
3522 }]])], [./conftest; have_setitimer=$?],
3523         [have_setitimer=$?],[have_setitimer=0])
3524 AM_CONDITIONAL([HAVE_SETITIMER], [test "$have_setitimer" = "1"])
3525
3526 ## whether to build with sheap.o
3527 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3528 int main(int c, char *v[])
3529 {
3530 #if defined(HEAP_IN_DATA) && !defined(PDUMP)
3531         return 1;
3532 #else
3533         return 0;
3534 #endif
3535 }]])], [./conftest; build_sheap=$?],
3536         [build_sheap=$?],[build_sheap=0])
3537 AM_CONDITIONAL([BUILD_SHEAP], [test "$build_sheap" = "1"])
3538
3539
3540 dnl There are no more compile tests; remove the core they created.
3541 rm -f core
3542
3543 dnl --------------------------------------------------
3544 dnl Substitute into Makefile, config.h and sxe-paths.h
3545 dnl --------------------------------------------------
3546
3547 dnl what sort of things to edit into Makefile, config.h and sxe-paths.h
3548 dnl configuration here uncanonicalized to avoid exceeding size limits.
3549
3550 AC_SUBST(PROGNAME)
3551 AC_SUBST(MULE)
3552 AC_SUBST(HAVE_LIBFFI)
3553 AC_SUBST(version)
3554 AC_SUBST(VERSION)
3555 AC_SUBST(old_version)
3556 AC_SUBST(inststaticdir)
3557 AC_SUBST(instvardir)
3558 AC_SUBST(instvarsepdir)
3559 AC_SUBST(sxe_srcdir)
3560 AC_SUBST(emodsrcdir)
3561 AC_SUBST(sxe_blddir)
3562 AC_SUBST(emodblddir)
3563 AC_SUBST(bindir)
3564 AC_SUBST(datarootdir)
3565 AC_SUBST(datadir)
3566 AC_SUBST(statedir)
3567 AC_SUBST(libdir)
3568 AC_SUBST(mandir)
3569 AC_SUBST(extra_includes)
3570
3571 AC_SUBST(prefix)
3572 AC_SUBST(PREFIX_USER_DEFINED)
3573 dnl Yo, Stephen Bourne!  I want to marry you!
3574 PREFIX=$prefix
3575 while true; do
3576   case "$PREFIX" in
3577     *\$* ) eval "PREFIX=\"${PREFIX}\"" ;;
3578     *) break ;;
3579   esac
3580 done
3581 AC_SUBST(PREFIX)
3582
3583 AC_SUBST(exec_prefix)
3584 AC_SUBST(EXEC_PREFIX_USER_DEFINED)
3585 EXEC_PREFIX=$exec_prefix
3586 while true; do
3587   case "$EXEC_PREFIX" in
3588     *\$* ) eval "EXEC_PREFIX=\"${EXEC_PREFIX}\"" ;;
3589     *) break ;;
3590   esac
3591 done
3592 AC_SUBST(EXEC_PREFIX)
3593
3594 AC_SUBST(infodir)
3595 AC_SUBST(INFODIR_USER_DEFINED)
3596 INFODIR=$infodir
3597 while true; do
3598   case "$INFODIR" in
3599     *\$* ) eval "INFODIR=\"${INFODIR}\"" ;;
3600     *) break ;;
3601   esac
3602 done
3603 AC_SUBST(INFODIR)
3604
3605 AC_SUBST(infopath,$with_infopath)
3606 AC_SUBST(INFOPATH_USER_DEFINED)
3607 INFOPATH=$with_infopath
3608 while true; do
3609   case "$INFOPATH" in
3610     *\$* ) eval "INFOPATH=\"${INFOPATH}\"" ;;
3611     *) break ;;
3612   esac
3613 done
3614 AC_SUBST(INFOPATH)
3615
3616 if test -z "$with_module_path"; then
3617     with_module_path="~/.sxemacs/${configuration}/modules:${libdir}/${PROGNAME}/${configuration}/site-modules:${libdir}/${instvardir}/${configuration}/modules"
3618 fi
3619
3620 AC_SUBST(module_path,$with_module_path)
3621 AC_SUBST(MODULE_PATH_USER_DEFINED)
3622 MODULE_PATH=$with_module_path
3623 while true; do
3624   case "$MODULE_PATH" in
3625     *\$* ) eval "MODULE_PATH=\"${MODULE_PATH}\"" ;;
3626     *) break ;;
3627   esac
3628 done
3629 AC_SUBST(MODULE_PATH)
3630
3631 if test -z "$with_package_prefix" ; then
3632   with_package_prefix=${prefix}/share/sxemacs
3633 fi
3634
3635 if test -z "$with_package_path" && test -n "$with_package_prefix" ; then
3636   if test "$with_mule" = "yes" ; then
3637     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages:~/.sxemacs/mule-packages"
3638     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages:${with_package_prefix}/mule-packages"
3639   else
3640     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages"
3641     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages"
3642   fi
3643 fi
3644
3645 AC_SUBST(package_path,$with_package_path)
3646 AC_SUBST(PACKAGE_PATH_USER_DEFINED)
3647 PACKAGE_PATH=$with_package_path
3648 while true; do
3649   case "$PACKAGE_PATH" in
3650     *\$* ) eval "PACKAGE_PATH=\"${PACKAGE_PATH}\"" ;;
3651     *) break ;;
3652   esac
3653 done
3654 AC_SUBST(PACKAGE_PATH)
3655
3656 AC_SUBST(lispdir, $with_lispdir)
3657 AC_SUBST(LISPDIR_USER_DEFINED)
3658 LISPDIR=$with_lispdir
3659 while true; do
3660   case "$LISPDIR" in
3661     *\$* ) eval "LISPDIR=\"${LISPDIR}\"" ;;
3662     *) break ;;
3663   esac
3664 done
3665 AC_SUBST(LISPDIR)
3666
3667 AC_SUBST(moduledir,$with_moduledir)
3668 AC_SUBST(MODULEDIR_USER_DEFINED)
3669 MODULEDIR=$with_moduledir
3670 while true; do
3671   case "$MODULEDIR" in
3672     *\$* ) eval "MODULEDIR=\"${MODULEDIR}\"" ;;
3673     *) break ;;
3674   esac
3675 done
3676 AC_SUBST(MODULEDIR)
3677
3678 AC_SUBST([sitelispdir], [$with_sitelispdir])
3679 AC_SUBST([SITELISPDIR_USER_DEFINED])
3680 SITELISPDIR=$sitelispdir
3681 while true; do
3682   case "$SITELISPDIR" in
3683     *\$* ) eval "SITELISPDIR=\"${SITELISPDIR}\"" ;;
3684     *) break ;;
3685   esac
3686 done
3687 AC_SUBST(SITELISPDIR)
3688
3689 AC_SUBST(sitemoduledir,$with_sitemoduledir)
3690 AC_SUBST(SITEMODULEDIR_USER_DEFINED)
3691 SITEMODULEDIR=$with_sitemoduledir
3692 while true; do
3693   case "$SITEMODULEDIR" in
3694     *\$* ) eval "SITEMODULEDIR=\"${SITEMODULEDIR}\"" ;;
3695     *) break ;;
3696   esac
3697 done
3698 AC_SUBST(SITEMODULEDIR)
3699
3700 AC_SUBST(etcdir,$with_etcdir)
3701 AC_SUBST(ETCDIR_USER_DEFINED)
3702 ETCDIR=$with_etcdir
3703 while true; do
3704   case "$ETCDIR" in
3705     *\$* ) eval "ETCDIR=\"${ETCDIR}\"" ;;
3706     *) break ;;
3707   esac
3708 done
3709 AC_SUBST(ETCDIR)
3710
3711 AC_SUBST(archlibdir,$with_archlibdir)
3712 AC_SUBST(ARCHLIBDIR_USER_DEFINED)
3713 ARCHLIBDIR=$with_archlibdir
3714 while true; do
3715   case "$ARCHLIBDIR" in
3716     *\$* ) eval "ARCHLIBDIR=\"${ARCHLIBDIR}\"" ;;
3717     *) break ;;
3718   esac
3719 done
3720 AC_SUBST(ARCHLIBDIR)
3721
3722 AC_SUBST(docdir,$with_docdir)
3723 AC_SUBST(DOCDIR_USER_DEFINED)
3724 DOCDIR=$with_docdir
3725 while true; do
3726   case "$DOCDIR" in
3727     *\$* ) eval "DOCDIR=\"${DOCDIR}\"" ;;
3728     *) break ;;
3729   esac
3730 done
3731 AC_SUBST(DOCDIR)
3732
3733 AC_SUBST(docdir)
3734 AC_SUBST(bitmapdir)
3735
3736 dnl The following flags combine all the information from:
3737 dnl - command line options (user always gets priority)
3738 dnl - user environment variables
3739 dnl - determined by configure
3740 dnl - the s&m header files (required for ellcc)
3741 AC_SUBST(machfile)
3742 AC_SUBST(opsysfile)
3743 AC_SUBST(c_switch_general)
3744 AC_SUBST(c_switch_window_system)
3745 AC_SUBST(c_switch_all)
3746 AC_SUBST(ld_switch_general)
3747 AC_SUBST(ld_switch_window_system)
3748 AC_SUBST(ld_switch_all)
3749 AC_SUBST(ld_libs_general)
3750 AC_SUBST(ld_libs_window_system)
3751 AC_SUBST(ld_libs_all)
3752 AC_SUBST(CFLAGS)
3753 AC_SUBST(CPPFLAGS)
3754 AC_SUBST(LDFLAGS)
3755 RECURSIVE_MAKE_ARGS="\$(MFLAGS) CC='\$(CC)' CFLAGS='\$(CFLAGS)' LDFLAGS='\$(LDFLAGS)' CPPFLAGS='\$(CPPFLAGS)'"
3756 if test -z "$MAKE"; then
3757         MAKE=make
3758 fi
3759 case `$MAKE --version 2>/dev/null` in
3760    GNU\ Make*)
3761         AM_MAKEFLAGS="-w $AM_MAKEFLAGS"
3762         RECURSIVE_MAKE_ARGS="-w $RECURSIVE_MAKE_ARGS"
3763    ;;
3764    *)
3765         echo ===================================
3766         echo $MAKE does not seem to be GNU Make
3767         echo If you find makefile errors please try using GNU Make as some
3768         echo autoconf constructs may not be proper for your make variant
3769         echo ===================================
3770    ;;
3771 esac
3772 AC_SUBST(RECURSIVE_MAKE_ARGS)
3773 AC_SUBST(AM_MAKEFLAGS)
3774
3775 AC_SUBST(sound_cflags)
3776 AC_SUBST(AR)
3777 AC_SUBST(RANLIB)
3778
3779 AC_SUBST(SXEMACS_CC)
3780 AC_SUBST(SXE_CFLAGS)
3781
3782 SXE_SUBST_CORE_OBJS()
3783
3784 SXE_SUBST_CRUFT_OBJS
3785
3786 dnl The default is yes
3787 if test "$with_prefix" = "yes"; then
3788   AC_DEFINE([PREFIX_USER_DEFINED], [1], [Description here!])
3789 fi
3790
3791 dnl Should this stay even though --with-site-modules is no longer an
3792 dnl option?  It is used in emacs.c for when the -no-site-modules cmd line
3793 dnl opt is used.  That cmd line opt definitely has usefullness.  Sebastian?
3794 dnl --SY.
3795 dnl The default is yes
3796 if test "$with_site_modules" = "no"; then
3797   AC_DEFINE([INHIBIT_SITE_MODULES], [1], [Description here!])
3798 fi
3799
3800 dnl SXE_SPACE(ac_configure_args, $ac_configure_args)
3801 AC_DEFINE_UNQUOTED([EMACS_CONFIGURATION], ["$ac_cv_build"], [Description here!])
3802 AC_DEFINE_UNQUOTED([EMACS_CONFIG_OPTIONS], ["$ac_configure_args"], [Description here!])
3803
3804 AC_SUBST([srcdir_equals_blddir_p])
3805
3806 dnl Following are deprecated
3807 null_string=""
3808 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE], [$null_string], [Description here!])
3809 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE_AUX], [$null_string], [Description here!])
3810 AC_DEFINE_UNQUOTED([C_SWITCH_X_SITE], [$null_string], [Description here!])
3811 AC_DEFINE_UNQUOTED([LD_SWITCH_SITE], [$null_string], [Description here!])
3812 AC_DEFINE_UNQUOTED([C_SWITCH_SITE], [$null_string], [Description here!])
3813
3814 dnl Note: as a general rule, *only* define things here that are not
3815 dnl autodetected.  For things that are autodetected, define them
3816 dnl at the point where the autodetection occurs or would occur,
3817 dnl so that the user gets immediate feedback on the results of the
3818 dnl autodetection.
3819
3820 if test "$GNU_MALLOC" = "yes"; then
3821         AC_DEFINE([GNU_MALLOC], [1], [Description here!])
3822         SXE_ADD_MEMALLOC_OBJS(vm-limit.o)
3823         if test "$doug_lea_malloc" != "yes"; then
3824                 SXE_ADD_MEMALLOC_OBJS(gmalloc.o)
3825         fi
3826         if test "$with_error_checking_malloc" = "yes"; then
3827                 dnl SXE_ADD_MEMALLOC_OBJS(free-hook.o)
3828                 :
3829         fi
3830 elif test "$with_system_malloc" = "yes" -o "$system_malloc" = "yes"; then
3831         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3832         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3833 elif test "$with_debug_malloc"  = "yes"; then
3834         AC_DEFINE([USE_DEBUG_MALLOC], [1], [Description here!])
3835         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3836         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3837         SXE_APPEND(-ldmalloc, MEMALLOC_LIBS)
3838 else
3839         SXE_ADD_MEMALLOC_OBJS([malloc.o])
3840 fi
3841 test "$GCC" = "yes" && \
3842         AC_DEFINE([USE_GCC], [1], [Description here!])
3843 test "$with_external_widget" = "yes" && \
3844         AC_DEFINE([EXTERNAL_WIDGET], [1], [Description here!])
3845 test "$with_quick_build" = "yes" && \
3846         AC_DEFINE([QUICK_BUILD], [1], [Description here!])
3847 if test "$with_purify" = "yes"; then
3848         AC_DEFINE([PURIFY], [1], [Description here!])
3849         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3850 fi
3851 if test "$with_quantify" = "yes"; then
3852         AC_DEFINE([QUANTIFY], [1], [Description here!])
3853         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3854 fi
3855 test "$with_pop" = "yes" && \
3856         AC_DEFINE([MAIL_USE_POP], [1], [Description here!])
3857 test "$with_hesiod" = "yes" && \
3858         AC_DEFINE([HESIOD], [1], [Description here!])
3859 test "$with_regex_malloc" = "yes" && \
3860         AC_DEFINE([REGEX_MALLOC], [1], [Description here!])
3861 test "$with_ipv6_cname" = "yes" && \
3862         AC_DEFINE([IPV6_CANONICALIZE], [1], [Description here!])
3863 if test "$with_pdump" = "yes"; then
3864         AC_DEFINE([PDUMP], [1], [Description here!])    dnl deprecated!
3865         AC_DEFINE([WITH_PDUMP], [1], [Description here!])
3866 fi
3867
3868 AM_CONDITIONAL([WITH_EXTW], [test "$with_external_widget" = "yes"])
3869 AM_CONDITIONAL([WITH_PDUMP], [test "$with_pdump" = "yes"])
3870 AC_SUBST([MEMALLOC_LIBS])
3871 SXE_SUBST_MEMALLOC_OBJS
3872
3873
3874 AC_DEFINE_UNQUOTED([USER_FULL_NAME], [pw->pw_gecos], [dnl
3875         USER_FULL_NAME returns a string that is the user's full name.
3876         It can assume that the variable `pw' points to the password file
3877         entry for this user.
3878
3879         At some sites, the pw_gecos field contains the user's full name.
3880         If neither this nor any other field contains the right thing, use
3881         pw_name, giving the user's login name, since that is better than
3882         nothing.])
3883
3884 AC_DEFINE([SIGTYPE], [RETSIGTYPE], [SIGTYPE is the macro we actually use])
3885 AC_DEFINE([SIGRETURN], [return], [SIGTYPE is the macro we actually use])
3886
3887 ## finally, redefine VERSION; this has to be done after all tests on C sources
3888 ## were run because otherwise the symbol VERSION would be defined twice and
3889 ## the C compiler would warn, sigh, and due to this stupid -Werror flag we ...
3890 ## tadadada ... will fail to run _any_ C test successfully
3891 AC_DEFINE_UNQUOTED([VERSION], ["$version"], [Version of SXEmacs.])
3892
3893 AH_TOP([
3894 #ifndef INCLUDED_sxe_config_h_
3895 #define INCLUDED_sxe_config_h_
3896
3897 #ifndef NOT_C_CODE
3898 #if defined (__GNUC__)
3899 #define alloca __builtin_alloca
3900 #elif defined __DECC
3901 #include <alloca.h>
3902 #pragma intrinsic(alloca)
3903 #elif defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3904 /* defer #include to end of file */
3905 #elif defined HAVE_ALLOCA_H
3906 #include <alloca.h>
3907 #elif defined(_AIX)
3908 #pragma alloca
3909 #elif ! defined (alloca)
3910 void *alloca();
3911 #endif
3912 #endif  /* C code */
3913 ])
3914
3915 AH_BOTTOM([
3916 /* The configuration script may define `opsysfile' to be the name of
3917    the s/...h file that describes your operating system.
3918    The file name is chosen based on the configuration name. */
3919
3920 #ifdef config_opsysfile
3921 #include config_opsysfile
3922 #endif
3923
3924 /* The configuration script may define `machfile' to be the name of
3925    the m/...h file that describes the machine you are using.
3926    The file name is chosen based on the configuration name. */
3927
3928 #ifdef config_machfile
3929 #include config_machfile
3930 #endif
3931
3932 /* basic system calls */
3933 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3934 # define ENCAPSULATE_READ
3935 # define ENCAPSULATE_WRITE
3936 #endif
3937 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3938 # define ENCAPSULATE_OPEN
3939 #endif
3940 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3941 # define ENCAPSULATE_CLOSE
3942 #endif
3943 /* stdio calls */
3944 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3945 # define ENCAPSULATE_FREAD
3946 # define ENCAPSULATE_FWRITE
3947 #endif
3948 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3949 # define ENCAPSULATE_FOPEN
3950 #endif
3951 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3952 # define ENCAPSULATE_FCLOSE
3953 #endif
3954
3955 #if defined (HAVE_SOCKS) && !defined (DO_NOT_SOCKSIFY)
3956 #define accept Raccept
3957 #define bind Rbind
3958 #define connect Rconnect
3959 #define getsockname Rgetsockname
3960 #define listen Rlisten
3961 #endif                          /* HAVE_SOCKS && !DO_NOT_SOCKSIFY */
3962
3963 #ifndef NOT_C_CODE              /* Actually means C or C++ */
3964 # if defined (__cplusplus)
3965 /* Avoid C++ keywords used as ordinary C identifiers */
3966 #  define class c_class
3967 #  define new   c_new
3968 #  define this  c_this
3969 #  define catch c_catch
3970 #  define EXTERN_C extern "C"
3971 # else                          /* C code */
3972 #  define EXTERN_C extern
3973 # endif
3974 #endif                          /* C or C++ */
3975 /* Strictly speaking, only int or unsigned int are valid types in a
3976    bitfield.  In practice, we would like to use enums as bitfields.
3977    The following should just result in warning avoidance:
3978    warning: nonportable bit-field type */
3979 #ifdef __GNUC__
3980 #define enum_field(enumeration_type) enum enumeration_type
3981 #else
3982 #define enum_field(enumeration_type) unsigned int
3983 #endif
3984
3985 #ifndef NOT_C_CODE
3986 #if defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3987 /* icc's alloca.h pulls in <features.h>,
3988    but that must be done after _GNU_SOURCE and friends are defined */
3989 #include <alloca.h>
3990 #endif
3991 #endif                          /* C code */
3992
3993 #endif  /* INCLUDED_sxe_config_h_ */
3994 ])
3995
3996
3997 dnl -------------------------------------------------------------------------
3998 dnl -------------------------------
3999 dnl Report on what we decided to do
4000 dnl -------------------------------
4001
4002 dnl #### We should tag this as the _build_ environment.
4003 dnl Before doing that, though, must check if tools care about line 1.
4004
4005 (
4006 dnl /etc/osversion is on SONY NEWS-OS
4007 if test -f /etc/osversion; then dnl SONY NEWS-OS
4008   echo "osversion: `cat /etc/osversion`"
4009 else
4010   echo "uname -a: `uname -a`"
4011 fi
4012 echo ""
4013 echo "$0 $ac_configure_args"
4014 ) > Installation
4015
4016 if test ! -z ${emacs_beta_version} ; then
4017   if test -z "${emacs_is_beta}" ; then
4018         sxemacs_betaname=".${emacs_beta_version}"
4019   else
4020         sxemacs_betaname="-b${emacs_beta_version}"
4021   fi
4022 else
4023   sxemacs_betaname=""
4024 fi
4025
4026 dnl -----------------
4027 dnl Talking LFSL now!
4028 dnl -----------------
4029
4030 dnl -----------------------------------
4031 dnl Now generate config.h and Makefiles
4032 dnl -----------------------------------
4033
4034 dnl This has to be called in order for this variable to get into config.status
4035 AC_SUBST([internal_makefile_list])
4036 # Remove any trailing slashes in these variables.
4037 if test -n "$prefix"; then
4038         prefix=`echo '' "$prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4039 fi
4040 if test -n "$exec_prefix"; then
4041         exec_prefix=`echo '' "$exec_prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4042 fi
4043
4044 make_ifeq="ifeq"
4045 make_endif="endif"
4046 make_else="else"
4047 AC_SUBST([make_ifeq])
4048 AC_SUBST([make_endif])
4049 AC_SUBST([make_else])
4050
4051 dnl Coupla things needed for subst'ing into the sxemacs.desktop file
4052 ABS_PROGNAME=${prefix}/bin/${PROGNAME}
4053 ABS_ETCDIR=${ETCDIR}
4054 SXE_CANONICALISE_PATH([ABS_PROGNAME])
4055 SXE_CANONICALISE_PATH([ABS_ETCDIR])
4056 AC_SUBST([ABS_PROGNAME])
4057 AC_SUBST([ABS_ETCDIR])
4058
4059 AC_CONFIG_FILES([src/sxe-paths.h])
4060 AC_CONFIG_FILES([Makefile])
4061 AC_CONFIG_FILES([lib-src/Makefile])
4062 AC_CONFIG_FILES([src/Makefile])
4063 AC_CONFIG_FILES([src/ui/Makefile])
4064 AC_CONFIG_FILES([src/ui/TTY/Makefile])
4065 AC_CONFIG_FILES([src/ui/lwlib/Makefile])
4066 AC_CONFIG_FILES([src/ui/X11/Makefile])
4067 AC_CONFIG_FILES([src/events/Makefile])
4068 AC_CONFIG_FILES([src/ent/Makefile])
4069 AC_CONFIG_FILES([src/media/Makefile])
4070 AC_CONFIG_FILES([src/mem/Makefile])
4071 AC_CONFIG_FILES([src/database/Makefile])
4072 AC_CONFIG_FILES([src/mule/Makefile])
4073 AC_CONFIG_FILES([src/.gdbinit:src/gdbinit])
4074 AC_CONFIG_FILES([src/.dbxrc:src/dbxrc])
4075 AC_CONFIG_FILES([lisp/Makefile])
4076 AC_CONFIG_FILES([info/Makefile])
4077 AC_CONFIG_FILES([tests/Makefile])
4078 AC_CONFIG_FILES([modules/Makefile])
4079 AC_CONFIG_FILES([etc/Makefile])
4080 AC_CONFIG_FILES([etc/sxemacs.desktop])
4081 AC_CONFIG_FILES([sxemacs.pc])
4082 AC_CONFIG_LINKS([.sxemacs.source.tree:])
4083
4084 AC_OUTPUT
4085 SXE_SUMMARY