Merge branch 'bldchn' into next
[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, 2012 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 OG_MULTIARG_WITH([ent], [dnl
350         AS_HELP_STRING([--with-ent], [
351                 Compile in support for enhanced number types,
352                 using internal and external libraries.])],
353         [none int fpfloat indef gmp], [int fpfloat indef gmp], [dnl
354         OG_MULTIARG_ITEM([int], [int], [native integer arithmetics])
355         OG_MULTIARG_ITEM([fpfloat], [fpfloat], [native fixed precision floats])
356         OG_MULTIARG_ITEM([indef], [indef], [native abstract indefinites])
357         OG_MULTIARG_ITEM([gmp], [GMP], [GNU multiprecision library])
358         OG_MULTIARG_ITEM([mpfr], [MPFR], [Multiprecision Floats with correct Rounding])
359         OG_MULTIARG_ITEM([mpc], [MPC], [Multiprecision Complex numbers (C/R)])
360         OG_MULTIARG_ITEM([pseug], [pseudoG], [native Gaussian Numbers (Z+Z)])
361         OG_MULTIARG_ITEM([pseuc], [pseudoC], [native Complex Numbers (C/R)])
362         OG_MULTIARG_ITEM([quatern], [Quaternions], [native Quaternions (Z+Z+Z+Z)])
363         OG_MULTIARG_ITEM([ecm], [ECM], [factorisations per Elliptic Curve Method])
364         OG_MULTIARG_MUTEX([mpz], [Arbitrary precision integers], [gmp mp])
365         OG_MULTIARG_MUTEX([complex], [Complex numbers as in C/R], [mpc pseuc])
366 ])
367
368 OG_MULTIARG_WITH([ase], [dnl
369         AS_HELP_STRING([--with-ase], [
370                 Compile in support for algebraic structures based on ENT,
371                 using internal and external libraries.])],
372         [none], [none], [dnl
373         OG_MULTIARG_ITEM([cart], [cartesian], [Cartesian Products of ENT and ASE objects])
374         OG_MULTIARG_ITEM([dig], [digraph], [Directed 2-ary Graphs with Colours])
375         OG_MULTIARG_ITEM([intv], [interval], [Intervals of comparable or normed ENT and ASE objects])
376         OG_MULTIARG_ITEM([metric], [metric], [Metric Spaces])
377         OG_MULTIARG_ITEM([nbhood], [neighbourhood], [Neighbourhoods of comparable or normed ENT and ASE objects])
378         OG_MULTIARG_ITEM([perm], [permutation], [Permutations])
379         OG_MULTIARG_ITEM([resclass], [resclass], [Residue Class Rings and Classes])
380 ])
381
382 OG_ARG_WITH([compre],
383         AS_HELP_STRING([--with-compre],[
384                 Provide exhaustive caching of compiled regexps. This will
385                 mean that frequently used regexps will be faster to use
386                 since the compile step will not be needed after first use.]),
387         [yes], [By default do cache compiled regexps.])
388
389 OG_MULTIARG_WITH([experimental-features], [dnl
390         AS_HELP_STRING([--with-experimental-features], [
391                 Activate experimental code, that is code which is
392                 considered useful but whose effects in conjunction with
393                 the variety of elisp projects cannot be foreseen.])
394         AS_HELP_STRING([], [
395                 During the beta phase of SXEmacs all experimental code
396                 will be unconditionally enabled.  However, if you plan
397                 to use this SXEmacs in a production environment you
398                 can switch off some portions.])],
399         [all nobdwgc], [ALL but bdwgc], [dnl
400         OG_MULTIARG_ITEM([bdwgc], [bdwgc], [the Boehm-Demers-Weiser collector])
401         OG_MULTIARG_ITEM([asyneq], [asyneq], [asynchronous event queues])
402 ])
403         dnl stop that pom stuff
404         dnl OG_MULTIARG_ITEM([pom], [pom], [thread-safe objects])
405
406 OG_ARG_WITH([event-driver],
407         AS_HELP_STRING([--with-event-driver], [
408                 Which event routines to use.
409                 Events control the way how external `sources' are
410                 incorporated into SXEmacs.  Sources hereby are user inputs,
411                 such as key strokes, mouse moves, pedalling, slapping the
412                 monitor, etc.; but there are manifold further sources, such as
413                 process signals, data on a socket, focussing an X window,
414                 lapsing a timeout, and so forth.])
415 AS_HELP_STRING([], [
416                 An event driver can cope with all (or most) of these in a
417                 uniform and abstract way.  SXEmacs can either be driven
418                 using its built-in event handlers, or using one of the
419                 external systems.]),
420         [auto], [Autodetect], [auto built-in libevent liboop glib])
421
422
423 dnl Debugging Options
424 dnl ================
425 OG_OPTION_GROUP(Debugging Options)
426
427 OG_ARG_WITH([debug],
428         AS_HELP_STRING([--with-debug],
429                 [Compile with extra debugging code.
430                 This will turn on: --with-assertions
431                 and --with-memory-usage-stats.]),
432         [yes], [YES for beta; NO for release])
433
434 OG_ARG_WITH([memory-usage-stats],
435         AS_HELP_STRING([--with-memory-usage-stats],
436                 [Compile with support for statistics about memory usage at runtime.]),
437         [yes], [YES for beta])
438
439 OG_MULTIARG_WITH([error-checking], [dnl
440         AS_HELP_STRING([--with-error-checking=TYPE], [
441                 Compile with internal error-checking added.])
442         AS_HELP_STRING([], [
443                 WARNING: Causes noticeable loss of speed!])],
444         [all], [ALL for beta; NONE otherwise], [dnl
445         OG_MULTIARG_ITEM([extents], [extents], [checks on extents])
446         OG_MULTIARG_ITEM([types], [types], [checks on types])
447         OG_MULTIARG_ITEM([gc], [gc], [checks on garbage collection])
448         OG_MULTIARG_ITEM([malloc], [malloc], [checks on memory allocation])
449         OG_MULTIARG_ITEM([byte_code], [byte_code], [checks on byte compiled code])
450         OG_MULTIARG_ITEM([bufpos], [bufpos], [checks on buffer position])
451         OG_MULTIARG_ITEM([glyphs], [glyphs], [checks on glyph data])
452         OG_MULTIARG_ITEM([stack], [stack], [checks on stack barriers])
453         OG_MULTIARG_ITEM([malldbg], [malldbg], [malloc debugging code])
454 ])
455
456 OG_ARG_WITH([purify],
457         AS_HELP_STRING([--with-purify],
458                 [Add support for memory debugging using Purify.]),
459         [no], [NO])
460
461 OG_ARG_WITH([quantify],
462         AS_HELP_STRING([--with-quantify],
463                 [Add support for performance debugging using Quantify.]),
464         [no], [NO])
465
466
467 dnl Window System Features
468 dnl ======================
469 OG_OPTION_GROUP(Window System Features)
470
471 OG_ARG_WITH([toolbars],
472         AS_HELP_STRING([--with-toolbars],
473                 [Compile in toolbar support.]),
474         [yes], [YES])
475
476 OG_ARG_WITH([external-widget],
477         AS_HELP_STRING([--with-external-widget],
478                 [Enable the "external widget" interface,
479                 which allows a SXEmacs frame to appear as a widget in
480                 another application.
481                 To date, we haven't heard of anyone who has actually done this.
482                 Consider this EXPERIMENTAL.]),
483         [no], [NO])
484
485 OG_ARG_WITH([menubars],
486         AS_HELP_STRING([--with-menubars=TYPE],
487                 [Type of menubars to use.  The Lucid menubars emulate
488                 Motif (mostly) but are faster.]),
489         [lucid], [Lucid], [lucid no])
490
491 OG_ARG_WITH([scrollbars],
492         AS_HELP_STRING([--with-scrollbars=TYPE],
493                 [Type of scrollbars to use.
494                 *WARNING*  The Motif scrollbars are currently broken.]),
495         [lucid], [Lucid], [lucid motif athena no])
496
497 OG_ARG_WITH([dialogs],
498         AS_HELP_STRING([--with-dialogs=TYPE],
499                 [Type of dialog boxes to use.  Athena dialogs will
500                  be used if Athena can be found.]),
501         [athena], [], [athena motif no])
502
503 OG_ARG_WITH([widgets],
504         AS_HELP_STRING([--with-widgets=TYPE],
505                 [Type of native widgets to use.  Athena widgets will
506                 be used if Athena can be found.]),
507         [athena], [], [athena motif no])
508
509 OG_ARG_WITH([athena],
510         AS_HELP_STRING([--with-athena=TYPE],
511                 [Type of Athena widgets to use.]),
512         [auto], [Autodetect], [auto xaw 3d next 95 xpm no])
513
514 OG_ARG_WITH([xim],
515         AS_HELP_STRING([--with-xim],
516                 [Type of Mule input method to use.]),
517         [auto], [Autodetect], [yes no xlib motif])
518
519 OG_ARG_WITH([wmcommand],
520         AS_HELP_STRING([--with-wmcommand],
521                 [Compile with realized leader window which will
522                 keep the WM_COMMAND property.]),
523         [yes], [YES])
524
525 OG_ARG_WITH([xmu],
526         AS_HELP_STRING([--with-xmu],
527                 [For those unfortunates whose vendors don't ship Xmu.]),
528         [auto], [Autodetect])
529
530 OG_ARG_WITH([xfs],
531         AS_HELP_STRING([--with-xfs],
532                 [Compile with XFontSet support for internationalized
533                 menubar.  Incompatible with `--with-xim=motif'.
534                 `--with-menubars=lucid' (the default) is desirable.]),
535         [no], [NO])
536
537 dnl TTY Options
538 dnl ================
539 OG_OPTION_GROUP(TTY options)
540
541 OG_ARG_WITH([tty],
542         AS_HELP_STRING([--with-tty],
543                 [Add support for ttys.]),
544         [auto], [Autodetect])
545
546 OG_ARG_WITH([ncurses],
547         AS_HELP_STRING([--with-ncurses],
548                 [Use the ncurses library for tty support.]),
549         [auto], [Autodetect])
550
551 OG_ARG_WITH([curses],
552         AS_HELP_STRING([--with-curses],
553                 [Use the curses library for tty support.]),
554         [auto], [Autodetect])
555
556 OG_ARG_WITH([terminfo],
557         AS_HELP_STRING([--with-terminfo],
558                 [Use the terminfo library for tty support.]),
559         [auto], [Autodetect])
560
561 OG_ARG_WITH([termlib],
562         AS_HELP_STRING([--with-termlib],
563                 [Use the termlib library for tty support.]),
564         [auto], [Autodetect])
565
566 OG_ARG_WITH([termcap],
567         AS_HELP_STRING([--with-termcap],
568                 [Use the termcap library for tty support.]),
569         [auto], [Autodetect])
570
571
572 OG_ARG_WITH([gpm],
573         AS_HELP_STRING([--with-gpm],
574                 [Compile in GPM mouse support for ttys.]),
575         [auto], [Autodetect])
576
577
578 dnl Database Options
579 dnl ================
580 OG_OPTION_GROUP(Database options)
581
582 OG_MULTIARG_WITH([database], [dnl
583         AS_HELP_STRING([--with-database=TYPE],
584                 [Compile with database support.])],
585         [auto], [Autodetect], [dnl
586         OG_MULTIARG_ITEM([berkdb], [berkdb], [Berkeley DB support])
587         OG_MULTIARG_ITEM([dbm], [dbm], [DBM database support])
588         OG_MULTIARG_ITEM([gdbm], [gdbm], [GNU DBM support])
589 ])
590
591 OG_ARG_WITH([ldap],
592         AS_HELP_STRING([--with-ldap],
593                 [Compile with support for the LDAP protocol.]),
594         [no], [NO])
595
596 OG_ARG_WITH([postgresql],
597         AS_HELP_STRING([--with-postgresql],
598                 [Compile with support for the PostgreSQL RDBMS.]),
599         [yes], [Autodetect])
600
601
602 dnl Multimedia Options
603 dnl ==================
604 OG_OPTION_GROUP(Multimedia options)
605
606 OG_MULTIARG_WITH([image], [dnl
607         AS_HELP_STRING([--with-image=TYPE],
608                 [Compile with image support.])],
609         [auto], [Autodetect all image support], [dnl
610         OG_MULTIARG_ITEM([gif], [GIF], [GIF image format])
611         OG_MULTIARG_ITEM([xpm], [XPM], [X PixMap image format])
612         OG_MULTIARG_ITEM([png], [PNG], [Portable Network Graphic format])
613         OG_MULTIARG_ITEM([jpeg], [JPEG], [jpeg image format])
614         OG_MULTIARG_ITEM([tiff], [TIFF], [TIFF image format])
615         OG_MULTIARG_ITEM([xface], [xface], [base64 encoded xbm])
616 ])
617
618 OG_MULTIARG_WITH([sound], [dnl
619         AS_HELP_STRING([--with-sound=TYPE],
620                 [Compile with sound support.])],
621         [auto], [Autodetect all sound support (except Pulse)], [dnl
622         OG_MULTIARG_ITEM([alsa], [ALSA], [kernel-based linux sound standard])
623         OG_MULTIARG_ITEM([ao], [ao], [generic audio output layer])
624         OG_MULTIARG_ITEM([esd], [ESD], [Enlightenment Sound Daemon])
625         OG_MULTIARG_ITEM([jack], [Jack], [a low-latency audio server])
626         OG_MULTIARG_ITEM([nas], [NAS], [Network Audio System])
627         OG_MULTIARG_ITEM([oss], [OSS], [Open Sound System])
628 ])
629
630 OG_ARG_WITH([pulseaudio],
631         AS_HELP_STRING([--with-pulseaudio],
632                 [Compile with support for the PulseAudio audio server.
633                 This has been turned off by default because of too many
634                 bugs in recent versions of PA.  Use at your own risk,
635                 YMMV, and all that.]),
636         [no], [NO])
637
638 OG_MULTIARG_WITH([media], [dnl
639         AS_HELP_STRING([--with-media=TYPE],
640                 [Compile with media stream support.])],
641         [auto], [Autodetect all media stream support libraries], [dnl
642         OG_MULTIARG_ITEM([ffmpeg], [FFmpeg], [media streams handled by ffmpeg])
643         OG_MULTIARG_ITEM([internal], [internal], [media streams handled internally])
644         OG_MULTIARG_ITEM([mad], [Mad], [media streams handled by mad])
645         OG_MULTIARG_ITEM([sndfile], [sndfile], [media streams handled by sndfile])
646         OG_MULTIARG_ITEM([sox], [SoX], [media streams handled by sox])
647         OG_MULTIARG_ITEM([magic], [magic], [file/libmagic support])
648 ])
649
650
651 dnl Cryptography Options
652 dnl ====================
653 OG_OPTION_GROUP(Cryptography options)
654
655 OG_ARG_WITH([openssl],
656         AS_HELP_STRING([--with-openssl],
657                 [Compile in experimental support for
658                 OpenSSL libcrypto and libssl.]),
659         [yes], [YES])
660
661 OG_ARG_WITH([gnutls],
662         AS_HELP_STRING([--with-gnutls],
663                 [Compile in experimental support for
664                 GnuTLS transport security.]),
665         [no], [NO])
666
667
668 dnl Networking Options
669 dnl ==================
670 OG_OPTION_GROUP(Networking options)
671
672 OG_ARG_WITH([dnet],
673         AS_HELP_STRING([--with-dnet],
674                 [Compile with support for DECnet.]),
675         [no], [NO])
676
677 OG_ARG_WITH([socks],
678         AS_HELP_STRING([--with-socks],
679                 [Compile with support for SOCKS (an Internet proxy).]),
680         [auto], [Autodetect])
681
682 OG_ARG_WITH([ipv6-cname],
683         AS_HELP_STRING([--with-ipv6-cname],
684                 [Try IPv6 information first when canonicalizing host names.
685                 This option has no effect unless system supports
686                 getaddrinfo(3) and getnameinfo(3).]),
687         [no], [NO])
688
689 OG_ARG_WITH([pop],
690         AS_HELP_STRING([--with-pop],
691                 [Support POP for mail retrieval.]),
692         [no], [NO])
693
694 OG_ARG_WITH([kerberos],
695         AS_HELP_STRING([--with-kerberos],
696                 [Support Kerberos-authenticated POP.]),
697         [no], [NO])
698
699 OG_ARG_WITH([hesiod],
700         AS_HELP_STRING([--with-hesiod],
701                 [Support Hesiod to get the POP server host.]),
702         [no], [NO])
703
704
705 dnl File-related Options
706 dnl ====================
707 OG_OPTION_GROUP(File-related options)
708
709 OG_ARG_WITH([clash-detection],
710         AS_HELP_STRING([--with-clash-detection],
711                 [Use lock files to detect multiple edits
712                 of the same file.]),
713         [no], [NO])
714
715 OG_ARG_WITH([mail-locking],
716         AS_HELP_STRING([--with-mail-locking=TYPE],
717                 [Specify the locking to be used by movemail to prevent
718                 concurrent updates of mail spool files. Valid types
719                 are `lockf'  `flock'  `file'  `locking'  `pop' or `mmdf'.]),
720         [auto], [Autodetect], [lockf flock file locking mmdf pop no])
721
722
723 dnl Internationalisation Options
724 dnl ============================
725 OG_OPTION_GROUP(Internationalisation options)
726
727 OG_ARG_WITH([mule],
728         AS_HELP_STRING([--with-mule],
729                 [Compile with Mule (MUlti-Lingual Emacs) support
730                 needed to support non-Latin-1 (including Asian)
731                 languages.]),
732         [yes], [YES])
733
734 OG_ARG_WITH([canna],
735         AS_HELP_STRING([--with-canna],
736                 [Compile with support for Canna (a Japanese input method
737                 used in conjunction with Mule support).]),
738         [auto], [Autodetect when Mule is enabled])
739
740 OG_ARG_WITH([wnn],
741         AS_HELP_STRING([--with-wnn],
742                 [Compile with support for Wnn (a multi-language input
743                 method used in conjunction with Mule support).]),
744         [auto], [Autodetect when Mule is enabled])
745
746 OG_ARG_WITH([wnn6],
747         AS_HELP_STRING([--with-wnn6],
748                 [Compile with support for the commercial package Wnn6.]),
749         [auto], [Autodetect when Mule is enabled])
750
751
752
753 dnl dnl Other Options
754 dnl dnl =============
755 dnl OG_OPTION_GROUP(Other options)
756 dnl
757
758 ## -------------------------------------------------------------------------
759 ## Check for users who regularly forget about running autoconf
760 ## -------------------------------------------------------------------------
761 AS_IF([test -f "$0.ac" -a "$0.ac" -nt "$0"],
762    AC_MSG_ERROR([What are you doing? RUN autoreconf NOW!!!]))
763
764 #
765 # Turn off core generation. We are already verifying the program fails, no need
766 # poluting the workspace. Of course if you are a SXEmacs developer you may want
767 # to comemnt this on occasion :-)
768 ulimit -c 0
769
770 ## initialise our nestable msg funs
771 SXE_INIT_MSG_LEVEL
772
773 dnl Small snippet to make echo -n work on solaris
774 ECHO_N= ECHO_C=
775 case `echo -n x` in
776 -n*)
777         case `echo 'x\c'` in
778         *c*)
779                 ;;
780         *)
781                 ECHO_C='\c'
782                 ;;
783         esac
784         ;;
785 *)
786         ECHO_N='-n'
787         ;;
788 esac
789
790
791 echo
792 echo "Preparing the build chain"
793 echo "========================="
794
795 ## We should brag about ourselves, no?
796 AC_DEFINE([XEMACS], [1], [Pretend to be an XEmacs])
797 AC_DEFINE([SXEMACS], [1], [Why not? It's the truth!])
798
799 dnl -------------------------------------------------------------------------
800 dnl Command line argument processing.
801 dnl -------------------------------------------------------------------------
802 dnl Check for bogus options
803 dnl -------------------------------------------------------------------------
804 SXE_CHECK_COMMAND_LINE
805
806 AM_INIT_AUTOMAKE([foreign -Wall])
807 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
808 SXE_CHECK_BUILDCHAIN
809 AC_SUBST(EGREP)
810
811 progname=$0
812 progbasename=$(basename $progname)
813 progdirname=$(dirname $progname)
814
815 ## Build Options
816 ## =============
817
818 echo
819 echo "Build and System Specific Options"
820 echo "================================="
821
822 SXE_EXPLORE_BUILD_ENVIRONMENT
823
824 dnl ----------------------------------------
825 dnl Find out which version of SXEmacs this is
826 dnl ----------------------------------------
827 AC_CHECK_PROG([have_git], [git], [yes], [no])
828 AC_MSG_CHECKING([for SXEmacs version])
829 AC_MSG_RESULT([SXEmacs SXEM4CS_VERSION])
830 dnl Must do the following first to determine verbosity for AC_DEFINE
831 AS_IF([test -n "[]SXEM4CS_BETA_P[]"],beta=yes,beta=no)
832 : "${extra_verbose=$beta}"
833
834 AC_MSG_CHECKING([for SXEmacs patchlevel])
835 CURDIR=$(pwd)
836 cd "$sxe_srcdir"
837 AS_IF([test "$have_git" = "yes"], 
838             [sxemacs_git_version=`git describe | head -1`])
839 AS_IF([test -z "$sxemacs_git_version"],
840         sxemacs_git_version="[]SXEM4CS_GIT_VERSION[]")
841 AC_MSG_RESULT([$sxemacs_git_version])
842 version="$sxemacs_git_version"
843 cd "$CURDIR"
844 main_version="$sxemacs_git_version"
845 AC_DEFINE_UNQUOTED([EMACS_MAJOR_VERSION], [SXEM4CS_MAJOR_VERSION], [Description here!])
846 AC_DEFINE_UNQUOTED([EMACS_MINOR_VERSION], [SXEM4CS_MINOR_VERSION], [Description here!])
847 old_version=[]SXEM4CS_VERSION[]
848 if test -n "[]SXEM4CS_BETA_VERSION[]"; then
849         AC_MSG_CHECKING([if we are a beta version])
850         if test "$beta" = "yes"; then
851                 AC_MSG_RESULT([yes])
852                 AC_DEFINE_UNQUOTED([EMACS_BETA_VERSION], [SXEM4CS_BETA_VERSION],
853                         [Description here!])
854         else
855                 AC_MSG_RESULT([no])
856                 AC_DEFINE_UNQUOTED([EMACS_PATCH_LEVEL], [SXEM4CS_BETA_VERSION],
857                         [Description here!])
858         fi
859 fi
860 AC_DEFINE_UNQUOTED([SXEMACS_CODENAME], ["[]SXEM4CS_CODENAME[]"], [Description here!])
861 AC_DEFINE_UNQUOTED([EMACS_VERSION], ["$version"], [Description here!])
862 AC_DEFINE_UNQUOTED([SXEMACS_GIT_VERSION], ["$sxemacs_git_version"],
863         [Description here!])
864
865 PROGNAME=sxemacs
866
867 AC_DEFINE_UNQUOTED([EMACS_PROGNAME], ["$PROGNAME"], [Description here!])
868
869 ## build stuff in lib-src unconditionally
870 SXE_APPEND([lib-src], [MAKE_SUBDIR])
871 SXE_APPEND([lib-src], [INSTALL_ARCH_DEP_SUBDIR])
872
873 ## C compiler build chain
874 AC_USE_SYSTEM_EXTENSIONS
875 AC_LANG([C])
876 AS_MESSAGE([Let's look for the entire C build chain])
877 SXE_CHECK_CC
878 SXE_CHECK_CFLAGS
879
880 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
881
882 ## check machine chars
883 AS_MESSAGE([Let's have a detailed glance at your machine])
884 SXE_PROC_CPUID
885 SXE_PROC_VENDORID
886 SXE_NPROCESSORS
887 SXE_CHECK_PROC_GOODNESS
888
889
890 ## Debugging Options
891 ## =================
892 ## echo
893 ## echo "Debugging Options"
894 ## echo "================="
895
896 dnl ----------------------------------
897 dnl Error checking and debugging flags
898 dnl ----------------------------------
899 dnl Error checking default to "yes" in beta versions, to "no" in releases.
900 dnl Same goes for --enable-debug and --extra-verbosity.
901 if test "$with_error_checking_extents" = yes; then
902         have_error_checking_extents="yes"
903         AC_DEFINE([ERROR_CHECK_EXTENTS], [1], [Description here!])
904         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
905 fi
906 if test "$with_error_checking_types" = yes; then
907         have_error_checking_types="yes"
908         AC_DEFINE([ERROR_CHECK_TYPECHECK], [1], [Description here!])
909         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)],
910                 [assert (assertion)], [
911                 Make sure that all X... macros are dereferencing the correct type,
912                 and that all XSET... macros (as much as possible) are setting the
913                 correct type of structure.  Highly recommended for all
914                 development work.])
915         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
916 else
917         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)], [], [])
918 fi
919 if test "$with_error_checking_bufpos" = yes; then
920         have_error_checking_bufpos="yes"
921         AC_DEFINE([ERROR_CHECK_BUFPOS], [1], [Description here!])
922         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)],
923                 [assert (assertion)], [dnl
924                 Make sure valid buffer positions are passed to BUF_* macros])
925         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
926 else
927         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)], [], [])
928 fi
929 if test "$with_error_checking_gc" = yes; then
930         have_error_checking_gc="yes"
931         AC_DEFINE([ERROR_CHECK_GC], [1], [Description here!])
932         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)],
933                 [assert (assertion)], [dnl
934                 Attempt to catch bugs related to garbage collection
935                 (e.g. not GCPRO'ing)])
936         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
937 else
938         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)], [], [])
939 fi
940 if test "$with_error_checking_malloc" = yes; then
941         have_error_checking_malloc="yes"
942         AC_DEFINE([ERROR_CHECK_MALLOC], [1], [Description here!])
943         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
944 fi
945 if test "$with_error_checking_byte_code"  = yes; then
946         have_error_checking_byte_code="yes"
947         AC_DEFINE([ERROR_CHECK_BYTE_CODE], [1], [Description here!])
948         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
949 fi
950 if test "$with_error_checking_glyphs" = yes; then
951         have_error_checking_glyphs="yes"
952         AC_DEFINE([ERROR_CHECK_GLYPHS], [1], [Description here!])
953         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
954 fi
955
956 dnl enable_debug=yes must be set when error checking is present.  This should be
957 dnl fixed up.
958 dnl with_debug implies other options
959 if test "${with_debug:=$beta}" = "yes"; then
960         with_memory_usage_stats=yes
961         SXE_ADD_CRUFT_OBJS([debug.o])
962         SXE_ADD_CRUFT_OBJS([tests.o])
963         AC_DEFINE([DEBUG_SXEMACS], [1], [Description here!])
964 fi
965 if test "$with_memory_usage_stats" = "yes"; then
966         AC_DEFINE([MEMORY_USAGE_STATS], [1], [Description here!])
967 fi
968
969
970
971 dnl --------------------------------------------------------------
972 dnl $opsys detection complete; defaults depending on $opsys follow
973 dnl --------------------------------------------------------------
974
975
976 dnl --------------------------------------------------------------
977 dnl WooHoo! pdump is ON always and everywhere! --SY.
978 dnl --------------------------------------------------------------
979 with_pdump=yes
980
981 if test "$with_dynamic" != "no"; then
982         case "$opsys" in
983         hpux* | sunos4* )
984                 with_dynamic=no
985                 ;;
986         *)
987                 with_dynamic=yes
988                 ;;
989         esac
990 fi
991 if test "$with_dynamic" = "yes"; then
992         case "$opsys" in
993         hpux* | sunos4* | sco5 )
994                 opsys="${opsys}-shr"
995                 ;;
996         decosf* )
997                 ld_call_shared="-call_shared"
998                 ;;
999         darwin* )
1000                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1001                 if test "x$have_ld_no_pie" != "x"; then
1002                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1003                 fi
1004                 ;;
1005         esac
1006 else dnl "$with_dynamic" = "no"
1007         case "$opsys" in
1008         sol2 )
1009                 echo "Static linking is not supported on Solaris 2."
1010                 echo "Rerun configure without specifying --without-dynamic."
1011                 exit 1
1012                 ;;
1013         linux )
1014                 ld_call_shared="-Bstatic"
1015                 ;;
1016         decosf* )
1017                 ld_call_shared="-non_shared"
1018                 ;;
1019         darwin* )
1020                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1021                 if test "x$have_ld_no_pie" != "x"; then
1022                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1023                 fi
1024                 ;;
1025         esac
1026 fi
1027
1028 dnl Tools configuration
1029 case "$opsys" in
1030 aix* )
1031         NON_GNU_CC=xlc
1032         ;;      dnl Use xlc by default on AIX
1033 darwin )
1034         RANLIB="ranlib -c"
1035         ;;  dnl Avoid link error in lwlib-config.c
1036         ## this needs rework I think because RANLIB is provided by LT_INIT anyway
1037 esac
1038
1039 stack_trace_eye_catcher=\
1040 `echo ${PROGNAME}_${version}_${ac_cv_build} | sed 'y!@/.-!____!'`
1041 AC_DEFINE_UNQUOTED([STACK_TRACE_EYE_CATCHER], [$stack_trace_eye_catcher],
1042         [Just a very looong string to make traces more readable.])
1043
1044 dnl --------------------------------------------------
1045 dnl Determine the compiler, set up for feature testing
1046 dnl --------------------------------------------------
1047
1048 if test "$with_clash_detection" != "no"; then
1049         AC_DEFINE([CLASH_DETECTION], [1], [Description here!])
1050         SXE_ADD_CRUFT_OBJS([filelock.o])
1051 fi
1052
1053
1054 dnl what exactly do we determine here? and where is it used?
1055 dnl dnl Determine GCC version.
1056 dnl if test "$GCC" = "yes"; then
1057 dnl     AC_RUN_IFELSE([AC_LANG_SOURCE([[
1058 dnl int main ()
1059 dnl {
1060 dnl #if __GNUC__ >= 3
1061 dnl     return 11;
1062 dnl #else
1063 dnl     return 0;
1064 dnl #endif
1065 dnl }]])], [:], [dnl
1066 dnl case "$?" in
1067 dnl 11)
1068 dnl     echo "You appear to be using GCC version 3 or above."
1069 dnl     __GCC3=yes
1070 dnl     ;;
1071 dnl esac], [__GCC3=no])
1072 dnl fi
1073
1074 dnl We don't do AC_PROG_CC for SXEMACS_CC; if we can't trust these people....
1075 : ${SXEMACS_CC:="$CC"}
1076
1077 dnl Figure out what C preprocessor to use.
1078
1079 dnl On Sun systems, people sometimes set up the variable CPP
1080 dnl with a value that is a directory, not an executable at all.
1081 dnl Detect that case, and ignore that value.
1082 test -n "$CPP" -a -d "$CPP" && CPP=
1083
1084 test -n "$NON_GNU_CPP" -a "$GCC" != "yes" -a -z "$CPP" && CPP="$NON_GNU_CPP"
1085
1086 dnl --------------------------------------------------------------------
1087 dnl Compiler feature macros
1088 dnl --------------------------------------------------------------------
1089
1090
1091 dnl --------------------------------------------------------------------
1092 dnl Extract some information from the operating system and machine files
1093 dnl --------------------------------------------------------------------
1094
1095 echo "Extracting information from the machine- and system-dependent headers..."
1096
1097 SXE_CHECK_MACHARCH
1098 SXE_EXTRACT_MACHARCH_INFO
1099
1100 dnl s&m files shouldn't be required to define anything, or even to exist.
1101 dnl So we default SYSTEM_TYPE to the obvious documented standard, `uname -s`,
1102 dnl appropriately emacsulated.
1103 if test -z "$system_type"; then
1104         AC_DEFINE_UNQUOTED([SYSTEM_TYPE],
1105                 ["`uname -s | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"],
1106                 [Description here!])
1107 fi
1108
1109 dnl If the s&m files don't define a system-specific dumper, simply use pdump.
1110 dnl Sometime in the future, we'll remove all definitions of UNEXEC
1111 dnl from all the s&m files.
1112 test -z "$unexec" && with_pdump=yes
1113
1114 if test "$with_pdump" = "yes"; then
1115         ordinary_link="yes"
1116         ld="${ordinary_ld}"
1117         start_files=
1118         libs_standard=
1119         unexec=
1120         lib_gcc=
1121 fi
1122
1123 dnl dnl For debugging...
1124 dnl SXE_PRINT_VAR([libs_machine libs_system libs_termcap libs_standard
1125 dnl     objects_machine objects_system c_switch_machine c_switch_system
1126 dnl     ld_switch_machine ld_switch_system unexec ld_switch_shared
1127 dnl     ld lib_gcc ld_text_start_addr start_files ordinary_link
1128 dnl     have_terminfo mail_use_flock mail_use_lockf]) && echo ""
1129
1130 dnl bitch at build attempt on win32 machines
1131 case "$opsys" in mingw* | cygwin*)
1132         SXE_DIE("Invalid operation system. Cannot build on win32 machines.")
1133 esac
1134
1135 dnl Non-ordinary link usually requires -lc
1136 test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
1137
1138 ## perform compiler specific things
1139 SXE_DO_CC_HACKS
1140 ## machine specific extensions
1141 SXE_CHECK_SIMD_EXTENSIONS
1142
1143 ## some linker flags that might come in handy
1144 SXE_CHECK_LDFLAGS
1145
1146 ## suffices to be defined late, for instance here
1147 SXE_CHECK_PARSER_LEXER
1148
1149 if test "$with_pdump" != "yes"; then
1150         ## GNU ld now defaults to combreloc, which screws up unexec,
1151         ## but not pdump.
1152         ## Note that it's OK if the GNU style long option causes
1153         ## non-GNU ld to barf a usage message, that's often good
1154         ## enough.  Please report it, though.
1155         ## #### Should make this Solaris-friendly.
1156         ## Link with -z nocombreloc for now.
1157         SXE_CHECK_LD_ZFLAG([nocombreloc])
1158         if test "$sxe_cv_ld__z_nocombreloc" = "yes"; then
1159                 SXE_PREPEND_LINKER_FLAG([-z nocombreloc], [ld_switch_site])
1160         fi
1161 fi
1162
1163 dnl Inform compiler that certain flags are meant for the linker
1164 SXE_PROTECT_LINKER_FLAGS(ld_switch_system)
1165 SXE_PROTECT_LINKER_FLAGS(ld_switch_machine)
1166 SXE_PROTECT_LINKER_FLAGS(ld_switch_site)
1167 SXE_PROTECT_LINKER_FLAGS(LDFLAGS)
1168 SXE_PROTECT_LINKER_FLAGS(ld_call_shared)
1169
1170 dnl Add s&m-determined objects to link line
1171 test -n "$objects_machine" && SXE_ADD_CORE_OBJS($objects_machine)
1172 test -n "$objects_system"  && SXE_ADD_CORE_OBJS($objects_system)
1173 test "$with_pdump" = "yes" && SXE_ADD_CORE_OBJS(dumper.o)
1174
1175
1176 dnl Feed s&m crud to src/Makefile
1177
1178 dnl Linux/powerpc needs the following magic for some reason
1179 dnl [Not needed with YellowDog 2.3 and causes link problems with YellowDog 3.0,
1180 dnl the two most popular PowerPC distributions.]
1181 dnl test "$machine$opsys" = "powerpclinux" && start_flags="-T $sxe_srcdir/src/ppc.ldscript"
1182
1183 AC_LANG(C)
1184 if test "$unexec" = "unexaix.o"; then
1185 dnl AIX needs various hacks to make static linking work.
1186   if   test "$with_dynamic" = "no"; then
1187   start_flags="-Wl,-bnso,-bnodelcsect"
1188   test "$GCC" = "yes" && start_flags="-B/bin/ ${start_flags}"
1189   for f in "/lib/syscalls.exp" "/lib/threads.exp"; do
1190     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; fi
1191   done
1192   for f in "/usr/lpp/X11/bin/smt.exp" "/usr/bin/X11/smt.exp"; do
1193     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; break; fi
1194   done
1195   AC_CHECK_LIB([c], [terminateAndUnload], [SXE_APPEND(-lC, libs_system)])
1196   fi
1197 elif test -n "$ld_text_start_addr"; then
1198   start_flags="-T $ld_text_start_addr -e __start"
1199 fi
1200 AC_SUBST(start_flags)
1201
1202 AC_SUBST(ld_switch_shared)
1203 AC_SUBST(start_files)
1204 if test "$ordinary_link" = "no" -a "$GCC" = "yes"; then
1205         if test -z "$linker"; then
1206                 linker='$(CC) -nostdlib'
1207                 SXE_APPEND([-nostdlib], [start_flags])
1208         fi
1209         test -z "$lib_gcc" && lib_gcc='`$(CC) -print-libgcc-file-name`'
1210 fi
1211 test "$GCC" != "yes" && lib_gcc=
1212 AC_SUBST(ld)
1213 AC_SUBST(lib_gcc)
1214
1215
1216
1217 ## ---------------------------------------------------------------
1218 ## Add site and system specific flags to compile and link commands
1219 ## ---------------------------------------------------------------
1220
1221 ## compute those site prefixes
1222 SXE_COMPUTE_SITE_PREFIXES
1223 ## compute a LD_RUN_PATH
1224 SXE_COMPUTE_LD_RUN_PATH
1225
1226
1227 ## some header checks
1228 SXE_CHECK_BASIC_HEADERS
1229 ## the very basic c types
1230 SXE_CHECK_BASIC_TYPES
1231
1232 ## for signalling
1233 SXE_CHECK_SIGNALS
1234
1235 AC_CHECK_MEMBERS([struct stat.st_rdev])
1236 AC_CHECK_TYPES([ptrdiff_t])
1237
1238 ## check whether intptr_t is definied in sys/types.h
1239 SXE_CHECK_INTPTR_T
1240
1241 dnl -lm is required for floating point support, among other things
1242 AC_CHECK_FUNC([sin], [], [AC_CHECK_LIB([m], [sin])])
1243
1244
1245 dnl check for Make feature
1246 AC_PROG_MAKE_SET
1247
1248
1249 dnl check for long file names
1250 AC_SYS_LONG_FILE_NAMES
1251 AC_SYS_LARGEFILE
1252 AC_SYS_INTERPRETER
1253 AC_SYS_POSIX_TERMIOS
1254
1255 AC_FUNC_MALLOC
1256 AC_FUNC_MKTIME
1257
1258 dnl See if mkstemp is available
1259 AC_CHECK_FUNCS([mkstemp])
1260
1261 SXE_CHECK_FILE_LOCK
1262
1263 case "$opsys" in decosf*)
1264         AC_CHECK_LIB([pthreads], [cma_open])
1265         AS_IF([test "$ac_cv_lib_pthreads_cma_open" = "yes"],
1266                 c_switch_site="$c_switch_site -threads")
1267         ;;
1268 esac
1269
1270
1271 dnl ----------------------------------------------------------------
1272 dnl Miscellaneous flags
1273 dnl ----------------------------------------------------------------
1274
1275 AC_MSG_CHECKING(whether the -xildoff compiler flag is required)
1276 if   ${CC-cc} '-###' -xildon  no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ; then
1277   if ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
1278     then AC_MSG_RESULT(no);
1279     else AC_MSG_RESULT(yes); SXE_APPEND_UNDUP(-xildoff, ld_switch_site)
1280   fi
1281   else AC_MSG_RESULT(no)
1282 fi
1283
1284 dnl Link with "-z ignore" on Solaris if supported
1285 if test "$opsys" = "sol2"; then
1286   if test "$os_release" -ge 506; then
1287     AC_MSG_CHECKING(for "-z ignore" linker flag)
1288     case "`ld -h 2>&1`" in
1289       *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
1290         SXE_PREPEND_UNDUP(-z ignore, ld_switch_site) ;;
1291       *) AC_MSG_RESULT(no) ;;
1292     esac
1293   fi
1294 fi
1295
1296 dnl ----------------------------------------------------------------
1297 dnl Check for Unixoid pty/process support.
1298 dnl ----------------------------------------------------------------
1299
1300 dnl There is no "standard" pty allocation method.  Every system is different.
1301 dnl  getpt()  is the preferred pty allocation method on glibc systems.
1302 dnl _getpty() is the preferred pty allocation method on SGI systems.
1303 dnl grantpt(), unlockpt(), ptsname() are defined by Unix98.
1304 AC_CHECK_FUNCS([getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp])
1305
1306 dnl openpty() is the preferred pty allocation method on BSD and Tru64 systems.
1307 dnl openpty() might be declared in:
1308 dnl - pty.h (Tru64 or Linux)
1309 dnl - libutil.h (FreeBSD)
1310 dnl - util.h (NetBSD)
1311 AC_CHECK_FUNC(openpty, have_openpty=yes, [
1312   AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
1313 if test "$have_openpty" = "yes"; then
1314   AC_DEFINE([HAVE_OPENPTY], [1], [Description here!])
1315   AC_CHECK_HEADERS(libutil.h util.h, break)
1316   test "$need_libutil" = "yes" && SXE_APPEND(-lutil, libs_system)
1317 fi
1318
1319 dnl Check for system-specific pty header files
1320 dnl Often the TIOCSIG* symbols are hiding there.
1321 case "$opsys" in
1322   dnl HPUX pty.h #defines TRUE and FALSE, so just use ptyio.h there.
1323   hpux*) AC_CHECK_HEADERS(sys/ptyio.h) ;;
1324   *) AC_CHECK_HEADERS(pty.h)
1325      test "$ac_cv_header_pty_h" = "no" && AC_CHECK_HEADERS(sys/pty.h)
1326      ;;
1327 esac
1328
1329 dnl Check for STREAM support functions.
1330 dnl Confusingly, "str" means both "string" and "SysV Streams".
1331 AC_CHECK_HEADERS(stropts.h)
1332 if test "$ac_cv_header_stropts_h" = "yes"; then
1333   AC_CHECK_FUNCS(isastream)
1334   AC_CHECK_HEADERS(strtio.h) dnl TIOCSIGNAL
1335 fi
1336
1337 dnl Check whether the system provides getloadavg().
1338 AC_CHECK_FUNCS(getloadavg)
1339
1340 if test "$ac_cv_func_getloadavg" = "yes"; then
1341   dnl Solaris 8 declares getloadavg() in <sys/loadavg.h>.
1342   dnl glibc 2.2 declares getloadavg() in <stdlib.h>...
1343   dnl   ...if we #define _GNU_SOURCE, which we do.
1344   AC_CHECK_HEADERS(sys/loadavg.h)
1345 else
1346   dnl We define our own getloadavg() using lower level functions.
1347   SXE_ADD_CRUFT_OBJS([getloadavg.o])
1348
1349   dnl Used by getloadavg() - does not require root priveleges
1350   AC_CHECK_LIB(kstat, kstat_open)
1351   AC_CHECK_HEADERS(kstat.h)
1352
1353   dnl Another way to get the load average
1354   AC_CHECK_LIB(kvm, kvm_read)
1355 fi
1356
1357 dnl If netdb.h does not declare h_errno, we must declare it by hand.
1358 AC_MSG_CHECKING(whether netdb declares h_errno)
1359 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
1360   [[return h_errno;]])],
1361   [AC_MSG_RESULT(yes)
1362    AC_DEFINE([HAVE_H_ERRNO], [1], [Description here!])],
1363   [AC_MSG_RESULT(no)])
1364
1365 AC_MSG_CHECKING([for sigsetjmp])
1366 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1367 #include <setjmp.h>
1368         ]], [[
1369 sigjmp_buf bar;
1370 sigsetjmp (bar, 0);
1371         ]])],
1372         [sxe_cv_c_func_sigsetjmp="yes"],
1373         [sxe_cv_c_func_sigsetjmp="no"])
1374 AC_MSG_RESULT([$sxe_cv_c_func_sigsetjmp])
1375 if test "$sxe_cv_c_func_sigsetjmp" = "yes"; then
1376         AC_DEFINE([HAVE_SIGSETJMP], [1], [Description here!])
1377         AC_DEFINE_UNQUOTED([SETJMP(x)], [sigsetjmp (x, 0)], [dnl
1378                 We want to avoid saving the signal mask if possible, because
1379                 that necessitates a system call.])
1380         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [siglongjmp(x, y)], [dnl
1381                 Description here!])
1382         AC_DEFINE_UNQUOTED([JMP_BUF], [sigjmp_buf], [dnl
1383                 Description here!])
1384 else
1385         AC_DEFINE_UNQUOTED([SETJMP(x)], [setjmp(x)], [dnl
1386                 We want to avoid saving the signal mask if possible, because
1387                 that necessitates a system call.])
1388         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [longjmp(x, y)], [Description here!])
1389         AC_DEFINE_UNQUOTED([JMP_BUF], [jmp_buf], [Description here!])
1390 fi
1391
1392
1393 AC_MSG_CHECKING(whether localtime caches TZ)
1394 AC_CACHE_VAL(emacs_cv_localtime_cache,
1395 [if test "$ac_cv_func_tzset" = "yes"; then
1396 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
1397 #if STDC_HEADERS
1398 # include <stdlib.h>
1399 #endif
1400 extern char **environ;
1401 unset_TZ ()
1402 {
1403   char **from, **to;
1404   for (to = from = environ; (*to = *from); from++)
1405     if (! (to[[0]][[0]] == 'T' && to[[0]][[1]] == 'Z' && to[[0]][[2]] == '='))
1406       to++;
1407 }
1408 char TZ_GMT0[[]] = "TZ=GMT0";
1409 char TZ_PST8[[]] = "TZ=PST8";
1410 main()
1411 {
1412   time_t now = time ((time_t *) 0);
1413   int hour_GMT0, hour_unset;
1414   if (putenv (TZ_GMT0) != 0)
1415     exit (1);
1416   hour_GMT0 = localtime (&now)->tm_hour;
1417   unset_TZ ();
1418   hour_unset = localtime (&now)->tm_hour;
1419   if (putenv (TZ_PST8) != 0)
1420     exit (1);
1421   if (localtime (&now)->tm_hour == hour_GMT0)
1422     exit (1);
1423   unset_TZ ();
1424   if (localtime (&now)->tm_hour != hour_unset)
1425     exit (1);
1426   exit (0);
1427 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1428 [# If we have tzset, assume the worst when cross-compiling.
1429 emacs_cv_localtime_cache=yes])
1430 else
1431         # If we lack tzset, report that localtime does not cache TZ,
1432         # since we can't invalidate the cache if we don't have tzset.
1433         emacs_cv_localtime_cache=no
1434 fi],[:])dnl
1435 AC_MSG_RESULT($emacs_cv_localtime_cache)
1436 if test $emacs_cv_localtime_cache = yes; then
1437   AC_DEFINE([LOCALTIME_CACHE], [1], [Description here!])
1438 fi
1439
1440
1441 need_alloca_c=no
1442 dnl HP-UX has a working alloca in libPW.
1443 dnl case "${GCC}${opsys}" in hpux* )
1444 dnl  AC_CHECK_FUNC(alloca, [:], [AC_CHECK_LIB(PW, alloca)])
1445 dnl esac
1446
1447 dnl AC_FUNC_ALLOCA doesn't know about DEC C's #pragma intrinsic(alloca)
1448 if test "$__DECC" != "yes"; then
1449         AC_FUNC_ALLOCA
1450         if test -n "$ALLOCA"; then
1451                 SXE_ADD_CRUFT_OBJS([$ALLOCA])
1452                 need_alloca_c=yes
1453         fi
1454 fi
1455
1456 AC_MSG_CHECKING(for working alloca in function calls)
1457 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1458 #if defined (__GNUC__)
1459 #define alloca __builtin_alloca
1460 #elif defined (__DECC)
1461 #include <alloca.h>
1462 #pragma intrinsic(alloca)
1463 #elif defined (HAVE_ALLOCA_H)
1464 #include <alloca.h>
1465 #elif defined (_AIX)
1466 #pragma alloca
1467 #elif ! defined (alloca)
1468 #ifdef C_ALLOCA
1469 #define alloca xemacs_c_alloca
1470 #else
1471 void *alloca ();
1472 #endif /* C_ALLOCA */
1473 #endif /* !defined (alloca) */
1474
1475 void
1476 f1 (double a, void *ptr, int b)
1477 {
1478   unsigned char *ptr2 = (unsigned char *) ptr;
1479   if (ptr2[[0]] != 0xBF || ptr2[[1]] != 0xBF || ptr2[[3000]] != 0xBF)
1480     exit (1);
1481   if (a != 3.1415 || b != -5490)
1482     exit (1);
1483 }
1484
1485 int
1486 f2 (short c, void *ptr, long e)
1487 {
1488   unsigned char *ptr2 = (unsigned char *) ptr;
1489   if (ptr2[[0]] != 0xFB || ptr2[[1]] != 0xFB || ptr2[[1000]] != 0xFB)
1490     exit (1);
1491   if (c != 665 || e != 776776776)
1492     exit (1);
1493   f1 (3.1415, memset (alloca (3001), 0xBF, 3001), -5490);
1494   return 42;
1495 }
1496
1497 int
1498 main (int argc, char *argv[])
1499 {
1500   if (f2 (665, memset (alloca (1001), 0xFB, 1001), 776776776) != 42)
1501     return 1;
1502   return 0;
1503 }
1504 ]])], working_alloca_in_function_calls=yes, working_alloca_in_function_calls=no,
1505 working_alloca_in_function_calls=no)
1506 AC_MSG_RESULT($working_alloca_in_function_calls)
1507 test "$working_alloca_in_function_calls" != "yes" && \
1508   AC_DEFINE([BROKEN_ALLOCA_IN_FUNCTION_CALLS], [1], [Description here!])
1509
1510 AM_CONDITIONAL([NEED_ALLOCA_C], [
1511         test "$working_alloca_in_function_calls" = "yes" && \
1512         test "$need_alloca_c" = "yes"])
1513
1514 dnl Check whether strcoll exists and works correctly. (This does more
1515 dnl than just check for its existence.) If so, it defines HAVE_STRCOLL.
1516 AC_FUNC_STRCOLL
1517
1518 dnl If `getpgrp' takes no argument (the POSIX.1 version), define
1519 dnl `GETPGRP_VOID'.  Otherwise, it is the BSD version, which takes a
1520 dnl process ID as an argument.
1521 AC_CHECK_FUNCS(getpgrp)
1522 AC_FUNC_GETPGRP
1523
1524 dnl We used to call AC_FUNC_MMAP here
1525 dnl Instead we now use following, suggested by Neal Becker
1526 AC_MSG_CHECKING(for working mmap)
1527 case "$opsys" in ultrix* ) have_mmap=no ;; *)
1528 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1529 #include <unistd.h>
1530 #include <fcntl.h>
1531 #include <sys/mman.h>
1532
1533 #ifndef MAP_VARIABLE
1534 #define MAP_VARIABLE 0
1535 #endif
1536
1537 #ifndef MAP_FAILED
1538 #define MAP_FAILED -1
1539 #endif
1540
1541 int main (int argc, char *argv[])
1542 {
1543   int fd = -1;
1544   caddr_t p;
1545 #ifndef MAP_ANONYMOUS
1546   fd = open ("/dev/zero", O_RDWR);
1547   if (fd < 0)
1548     return 1;
1549 #define MAP_ANONYMOUS 0
1550 #endif
1551   if (mmap(0, 1024, PROT_READ | PROT_WRITE,
1552            MAP_PRIVATE | MAP_VARIABLE | MAP_ANONYMOUS,
1553            fd, 0) != (void *) MAP_FAILED)
1554     return 0;
1555   perror ("conftest: mmap failed");
1556   return 1;
1557 }]])], have_mmap=yes, have_mmap=no, have_mmap=no) ;;
1558 esac
1559 AC_MSG_RESULT($have_mmap)
1560 test "$have_mmap" = "yes" && AC_DEFINE([HAVE_MMAP], [1], [Description here!])
1561
1562 dnl rel_alloc requires either GNU malloc or system malloc with mmap
1563 dnl We only turn rel_alloc on by default if mmap is available.
1564 test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && with_rel_alloc=no
1565 if test "$with_rel_alloc $have_mmap" = "default yes"; then
1566         if test "$doug_lea_malloc" = "yes"; then
1567                 dnl Check if malloc() calls mmap(), making rel_alloc pointless.
1568                 AC_MSG_CHECKING(for M_MMAP_THRESHOLD)
1569                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],[[
1570 #ifndef M_MMAP_THRESHOLD
1571 #error No M_MMAP_THRESHOLD :-(
1572 !@+$%^&*_)(_ - unlikely to compile...
1573 #endif
1574                         ]])], [
1575                         with_rel_alloc=no
1576                         AC_MSG_RESULT(yes)], [
1577                         with_rel_alloc=yes
1578                         AC_MSG_RESULT(no)])
1579         else
1580                 with_rel_alloc=yes
1581         fi
1582 fi
1583 if test "$with_rel_alloc" = "yes"; then
1584         AC_DEFINE([REL_ALLOC], [1], [Description here!])
1585         SXE_ADD_MEMALLOC_OBJS(ralloc.o)
1586 fi
1587
1588 dnl Check for tests/rminal I/O variants
1589 dnl TERMIOS systems may have termio.h, but not vice-versa, I think.
1590 AC_CHECK_HEADER(termios.h,
1591   AC_DEFINE([HAVE_TERMIOS], [1], [Description here!])
1592   AC_DEFINE([SIGNALS_VIA_CHARACTERS], [1], [Description here!])
1593   AC_DEFINE([NO_TERMIO], [1], [Description here!]),
1594   [AC_CHECK_HEADER(termio.h, [AC_DEFINE([HAVE_TERMIO], [1], [Description here!])])])
1595
1596
1597 dnl Check for directory variants
1598 AC_CHECK_HEADER(dirent.h, [AC_DEFINE([SYSV_SYSTEM_DIR], [1], [Description here!])],
1599   [AC_CHECK_HEADER(sys/dir.h, , [AC_DEFINE([NONSYSTEM_DIR_LIBRARY], [1], [Description here!])])])
1600
1601 dnl check for readdir64_r (the reentrant version of readdir64)
1602 AC_CHECK_FUNC(readdir64_r, [AC_DEFINE([HAVE_LARGEFILE], [1], [Description here!])])
1603
1604 dnl Check for nlist.h
1605 AC_CHECK_HEADER([nlist.h], [AC_DEFINE([NLIST_STRUCT], [1], [Description here!])], [])
1606
1607 dnl firstly check for pthread support so that we can use the
1608 dnl asynchronous playing routines
1609
1610 dnl special pthread handling
1611 dnl AIX uses pthreads instead of pthread, and HP/UX uses cma
1612 dnl FreeBSD uses -pthread
1613 AC_CHECK_LIB(pthread, pthread_create)
1614 if test "${ac_cv_lib_pthread_pthread_create}" = "yes"; then
1615         have_threads=yes
1616
1617         SXE_CHECK_COMPILER_FLAGS([-pthreads])
1618         SXE_CHECK_COMPILER_FLAGS([-pthread])
1619         if test "${sxe_cv_c_flags__pthreads}" = "yes"; then
1620                 SXE_PREPEND_UNDUP([-pthreads], [c_switch_site])
1621         fi
1622         if test "${sxe_cv_c_flags__pthread}" = "yes"; then
1623                 SXE_PREPEND_UNDUP([-pthread], [c_switch_site])
1624         fi
1625         SXE_PREPEND([-lpthread], [MM_LIBS])
1626 fi
1627
1628 dnl test for AIX pthreads
1629 AC_CHECK_LIB(pthreads, pthread_create)
1630 if test $ac_cv_lib_pthreads_pthread_create = yes; then
1631   have_threads=yes
1632   SXE_PREPEND(-lpthreads, MM_LIBS)
1633 fi
1634
1635 dnl test for HPUX cma threads.
1636 AC_CHECK_LIB(cma, pthread_create)
1637 if test $ac_cv_lib_cma_pthread_create = yes; then
1638   have_threads=yes
1639   SXE_PREPEND(-lcma, MM_LIBS)
1640 fi
1641
1642 dnl FreeBSD -pthread check
1643 AC_DEFUN([AC_PTHREAD_FREEBSD],
1644 [AC_MSG_CHECKING([if we need -pthread for threads])
1645 AC_CACHE_VAL(ac_cv_ldflag_pthread,
1646         [ac_save_ld_switch_site="$ld_switch_site"
1647         ld_switch_site="-pthread $ld_switch_site"
1648         AC_LINK_IFELSE([AC_LANG_PROGRAM([[char pthread_create();]],
1649         [[char pthread_create();]])],
1650         eval "ac_cv_ldflag_pthread=yes",
1651         eval "ac_cv_ldflag_pthread=no"),
1652         ld_switch_site="$ac_save_ld_switch_site"
1653 ])
1654 if eval "test \"`echo $ac_cv_ldflag_pthread`\" = yes"; then
1655         AC_MSG_RESULT(yes)
1656         have_threads=yes
1657         SXE_PREPEND_UNDUP("-pthread", ld_switch_site)
1658         SXE_PREPEND_UNDUP("-D_THREAD_SAFE", c_switch_site)
1659 else
1660         AC_MSG_RESULT(no)
1661 fi])
1662
1663 dnl If all other thread tests fail, try BSD's -pthread
1664 if test "$have_threads" != yes; then
1665   AC_PTHREAD_FREEBSD
1666 fi
1667
1668 if test "$have_threads" = yes; then
1669   AC_DEFINE([HAVE_THREADS], [1], [Description here!])
1670 fi
1671
1672
1673 ## Internal Options
1674 ## ================
1675
1676 echo
1677 echo "Internal Options"
1678 echo "================"
1679
1680 SXE_CHECK_LIBTOOL
1681 SXE_CHECK_LIBLTDL
1682
1683 dnl ----------------------------------------------------------------
1684 dnl Check for POSIX functions.
1685 dnl ----------------------------------------------------------------
1686
1687 SXE_CHECK_BASIC_FUNS
1688 AC_CHECK_FUNCS([alarm cbrt closedir dup2 eaccess endpwent floor fmod fpathconf frexp fsync ftime ftruncate getaddrinfo getcwd gethostbyname gethostname getnameinfo getpagesize getrlimit gettimeofday getwd isascii isatty link logb lrand48 matherr memchr memmove memset mkdir mktime munmap perror poll pow putenv random re_comp readlink regcomp rename res_init rint rmdir select setitimer setlocale setpgid setsid sigblock sighold sigprocmask snprintf socket sqrt stpcpy strncpy strncat strcasecmp strchr strdup strerror strlwr strrchr strspn strtol strupr symlink ttyname tzset ulimit umask uname usleep utime vlimit vsnprintf waitpid wcscmp wcslen])
1689
1690 AS_IF([test "$have_isatty" = "yes"],
1691         AC_DEFINE([HAVE_ISATTY], [1], [isatty is available]))
1692 AS_IF([test "$have_ttyname" = "yes"],
1693         AC_DEFINE([HAVE_TTYNAME], [1], [ttyname is available]))
1694
1695
1696 ## combines all these time structures and funs
1697 SXE_CHECK_METRONOME
1698 SXE_CHECK_SUFFICIENCY([metronome], [metronome])
1699
1700 ## check for a sane dirname/realpath
1701 SXE_CHECK_DIRNAME
1702 SXE_CHECK_REALPATH
1703
1704 dnl -----------------------------------
1705 dnl Do some misc autoconf-special tests
1706 dnl -----------------------------------
1707
1708 dnl Do the opsystem or machine files prohibit the use of the GNU malloc?
1709 dnl Assume not, until told otherwise.
1710 GNU_MALLOC=yes
1711 if test "$with_dlmalloc" != "no"; then
1712         doug_lea_malloc=yes
1713 else
1714         doug_lea_malloc=no
1715 fi
1716 after_morecore_hook_exists=yes
1717 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1718 AC_MSG_CHECKING(whether __after_morecore_hook exists)
1719 AC_LINK_IFELSE([AC_LANG_SOURCE([[extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0]])],
1720   [AC_MSG_RESULT(yes)],
1721   [AC_MSG_RESULT(no)
1722    after_morecore_hook_exists=no])
1723 if test "$system_malloc" = "yes" ; then
1724   GNU_MALLOC=no
1725   GNU_MALLOC_reason="
1726     - The GNU allocators don't work with this system configuration."
1727 elif test "$with_system_malloc" = "yes" ; then
1728   GNU_MALLOC=no
1729   GNU_MALLOC_reason="
1730     - User chose not to use GNU allocators."
1731 elif test "$with_debug_malloc" = "yes" ; then
1732   GNU_MALLOC=no
1733   GNU_MALLOC_reason="
1734     - User chose to use Debugging Malloc."
1735 fi
1736
1737 if test "$doug_lea_malloc" = "yes" -a "$GNU_MALLOC" = "yes" ; then
1738         GNU_MALLOC_reason="
1739     - Using Doug Lea's new malloc from the GNU C Library."
1740         AC_DEFINE([DOUG_LEA_MALLOC], [1], [Description here!])
1741         if test "$after_morecore_hook_exists" = "no" ; then
1742                 GNU_MALLOC_reason="
1743     - Using Doug Lea's new malloc from the Linux C Library."
1744         AC_DEFINE([_NO_MALLOC_WARNING_], [1], [Description here!])
1745         fi
1746 fi
1747 AM_CONDITIONAL([USE_MEMALLOC], [test -n "${libmemalloc_objs}"])
1748
1749 dnl #### mcheck is broken in all versions of Linux libc and glibc.
1750 dnl Try this again when 2.1 hits the streets.
1751 dnl Avoid using free-hook.c if support exists for malloc debugging in libc
1752 have_libmcheck=no
1753 if test "$with_error_checking_malloc" = "yes" -a \
1754    "$have_glibc" = "yes" -a \
1755    "$doug_lea_malloc" = "yes"; then
1756         AC_CHECK_HEADERS(mcheck.h)
1757         AC_CHECK_LIB(mcheck, mcheck, [have_libmcheck=yes], [have_libmcheck=no])
1758 fi
1759
1760 if test "$with_module_support" != "no"; then
1761         AS_MESSAGE([checking for module support])
1762         if test "$sxe_cv_feat_libltdl" = "yes"; then
1763                 have_module_support="yes"
1764                 with_module_support="yes"
1765                 SXE_ADD_CRUFT_OBJS([emodules-ng.o])
1766                 AC_DEFINE([HAVE_EMODULES], [1], [Whether emods would be available])
1767                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1768         else
1769                 have_module_support="no"
1770                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1771         fi
1772 fi
1773
1774 AM_CONDITIONAL([DESCEND_MODULES],
1775         [test "$with_module_support $have_module_support" = "yes yes"])
1776 if test "$with_module_support $have_module_support" = "yes"; then
1777         SXE_APPEND([src], [MAKE_SUBDIR])
1778         SXE_APPEND([src], [INSTALL_ARCH_DEP_SUBDIR])
1779         SXE_APPEND([modules], [MAKE_AM_SUBDIR])
1780         SXE_APPEND([modules], [SRC_SUBDIR_DEPS])
1781 dnl else
1782 dnl     MOD_CC="$SXEMACS_CC"
1783 dnl     MODCFLAGS="\$(SXE_CFLAGS) -I../../src -I\$(sxe_srcdir)/../../src"
1784 dnl     INSTALLPATH=""
1785 dnl     MOD_INSTALL_PROGRAM="true"
1786 dnl     OBJECT_TO_BUILD="\$(MODNAME).o"
1787 fi
1788
1789 if test "$with_modules_ase" = "yes"; then
1790         have_modules_ase=yes
1791 fi
1792 if test "$with_static_modules_ase" = "yes"; then
1793         have_static_modules_ase=yes
1794 fi
1795 SXE_EMOD_STATMOD([ase])
1796 if test "$have_modules_ase $have_static_modules_ase" != " "; then
1797         have_ase_cart="yes"
1798         have_ase_dig="yes"
1799         have_ase_intv="yes"
1800         have_ase_metric="yes"
1801         have_ase_nbhood="yes"
1802         have_ase_perm="yes"
1803         have_ase_resclass="yes"
1804 fi
1805 if test "$have_bison" = "yes"; then
1806         if test "$with_modules_cl" = "yes" ; then
1807                 have_modules_cl="yes"
1808         fi
1809         if test "$with_static_modules_cl" = "yes"; then
1810                 have_static_modules_cl="yes"
1811         fi
1812 else
1813         if test "$with_modules_cl" = "yes" -o "$with_static_modules_cl" = "yes"; then
1814                 AC_MSG_WARN([Sorry no bison means no cl module for you.])
1815         fi
1816 fi
1817 SXE_EMOD_STATMOD([cl])
1818
1819 AM_CONDITIONAL([AUTARKIC], [test "0" = "1"])
1820 MODARCHDIR=
1821 MAKE_DOCFILE="$sxe_blddir/lib-src/make-docfile"
1822 ELLMAKEDOC=$MAKE_DOCFILE
1823 ELLCC=$MOD_CC
1824 AC_SUBST(ELLCC)
1825 AC_SUBST(ELLMAKEDOC)
1826 AC_SUBST(with_modules, $with_modules)
1827 AC_SUBST(MOD_CC)
1828 AC_SUBST(MODARCHDIR)
1829 AC_SUBST(MAKE_DOCFILE)
1830 AC_SUBST(MODCFLAGS)
1831 AC_SUBST(INSTALLPATH)
1832 AC_SUBST(MOD_INSTALL_PROGRAM)
1833 AC_SUBST(OBJECT_TO_BUILD)
1834 SXE_SUBST_STATMOD_A
1835
1836 ## FFI support
1837 SXE_CHECK_FFI
1838 SXE_CHECK_SUFFICIENCY([ffi], [FFI support], [
1839         ## additional actions
1840         AC_DEFINE([HAVE_LIBFFI], [1], [Description here!])
1841         HAVE_LIBFFI=yes
1842         FFI_LIBS="-lffi"
1843         SXE_ADD_CRUFT_OBJS([effi.o])
1844 ])
1845
1846 ## ENT support
1847 SXE_CHECK_ENT
1848
1849 ## check for pseudo gaussian numbers
1850 AC_MSG_CHECKING([for pseug (gaussian numbers)])
1851 if test "$sxe_cv_feat_gmp" = "yes"; then
1852         ## the good case
1853         AC_DEFINE([HAVE_PSEUG], [1], [Whether we COULD do gaussian numbers!])
1854         sxe_cv_feat_pseug="yes"
1855 else
1856         sxe_cv_feat_pseug="no"
1857 fi
1858 AC_MSG_RESULT([$sxe_cv_feat_pseug])
1859
1860 ## check for pseudo complex numbers
1861 AC_MSG_CHECKING([for pseuc (pseudo complex numbers)])
1862 if test "$sxe_cv_feat_mpfr" = "yes"; then
1863         ## the good case
1864         AC_DEFINE([HAVE_PSEUC], [1], [Whether we COULD do complex numbers!])
1865         sxe_cv_feat_pseuc="yes"
1866 else
1867         sxe_cv_feat_pseuc="no"
1868 fi
1869 AC_MSG_RESULT([$sxe_cv_feat_pseuc])
1870
1871 ## check for pseudo quaternions
1872 AC_MSG_CHECKING([for quatern (quaternion numbers)])
1873 if test "$sxe_cv_feat_gmp" = "yes"; then
1874         ## the good case
1875         AC_DEFINE([HAVE_QUATERN], [1], [Whether we COULD do quaternions!])
1876         sxe_cv_feat_quatern="yes"
1877 else
1878         sxe_cv_feat_quatern="no"
1879 fi
1880 AC_MSG_RESULT([$sxe_cv_feat_quatern])
1881
1882
1883 ## go through what the PH^Wuser has specified
1884 ## it's a wee bit more complex, so let's go for it
1885 ## we use a dijkstra-if
1886 ent_dijkstra="$with_ent_gmp $sxe_cv_feat_gmp"
1887 if test "$ent_dijkstra" = "yes yes"; then
1888         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1889         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1890         SXE_ADD_ENT_OBJS([ent-gmp.o])
1891         have_ent_gmp="yes"
1892 elif test "$ent_dijkstra" = "yes no"; then
1893         ## pity, we wanted GMP but we dont have it
1894         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1895         have_ent_gmp="no"
1896 elif test "$ent_dijkstra" = "no yes"; then
1897         ## we didn't want GMP but we have it
1898         ## do nothing in that case
1899         have_ent_gmp="no"
1900 elif test "$ent_dijkstra" = "no no"; then
1901         ## great, we didnt opt for GMP and we're lucky, it's not there either
1902         have_ent_gmp="no"
1903 fi
1904
1905 ## evaluate mpfr results
1906 ent_dijkstra="$with_ent_mpfr $sxe_cv_feat_mpfr"
1907 if test "$ent_dijkstra" = "yes yes"; then
1908         ## the good case
1909         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1910         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1911         SXE_ADD_ENT_OBJS([ent-mpfr.o])
1912         have_ent_mpfr="yes"
1913 elif test "$ent_dijkstra" = "yes no"; then
1914         ## we want but can't have
1915         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1916         have_ent_mpfr="no"
1917 elif test "$ent_dijkstra" = "no yes"; then
1918         have_ent_mpfr="no"
1919 elif test "$ent_dijkstra" = "no no"; then
1920         have_ent_mpfr="no"
1921 fi
1922
1923
1924 ## whether to enable gaussian numbers
1925 ent_dijkstra="$with_ent_pseug $sxe_cv_feat_pseug"
1926 if test "$ent_dijkstra" = "yes yes"; then
1927         ## perfick
1928         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1929         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1930         SXE_ADD_ENT_OBJS([ent-gaussian.o])
1931         have_ent_pseug="yes"
1932 elif test "$ent_dijkstra" = "yes no"; then
1933         ## grrrr
1934         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1935         have_ent_pseug="no"
1936 elif test "$ent_dijkstra" = "no yes"; then
1937         have_ent_pseug="no"
1938 elif test "$ent_dijkstra" = "no no"; then
1939         have_ent_pseug="no"
1940 fi
1941
1942 ## whether to enable emulated complex numbers
1943 ent_dijkstra="$with_ent_pseuc $sxe_cv_feat_pseuc $with_ent_mpc $sxe_cv_feat_mpc"
1944 if test "$ent_dijkstra" = "yes yes yes yes"; then
1945         ## skip pseuc usage
1946         have_ent_pseuc="veto"
1947         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1948         AS_MESSAGE([ENT: Built-in support for complex numbers available, dnl
1949 but omitted in favour of MPC.])
1950         omit_ent_pseuc_in_favour_of="mpc"
1951         ## set up to use plain mpc
1952         AC_DEFINE([WITH_MPC], [1], [Description here!])
1953         SXE_PREPEND([$MPC_LIBS], [ENT_LIBS])
1954         SXE_ADD_ENT_OBJS([ent-mpc.o])
1955         have_ent_mpc="yes"
1956 elif test "$ent_dijkstra" = "yes yes yes no"; then
1957         ## user planned to use mpc, hasnt got it though
1958         ## now he's cursed with pseudo complex numbers :)
1959         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1960         have_ent_pseuc="yes"
1961         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1962         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1963         ## we want mpc but can't have, set up that
1964         AC_DEFINE([WITH_MPC], [1], [Description here!])
1965         have_ent_mpc="no"
1966 elif test "$ent_dijkstra" = "yes yes no yes"; then
1967         ## user coulda used mpc but disabled it for whatever reasons ... Wait!
1968         ## Horst, is that you?!
1969         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1970         AS_MESSAGE([ENT: dnl
1971 MPC support for complex numbers IS possible, however YOU think you want dnl
1972 the built-in emulated stuff?  Seriously?  Good, so be it!])
1973         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1974         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1975         have_ent_pseuc="yes"
1976         omit_ent_mpc_in_favour_of="pseuc"
1977         ## however brag that we have mpc
1978         have_ent_mpc="yes"
1979 elif test "$ent_dijkstra" = "yes yes no no"; then
1980         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1981         have_ent_pseuc="yes"
1982         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1983         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1984         have_ent_mpc="no"
1985 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "yes no"; then
1986         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1987         have_ent_pseuc="no"
1988 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no yes"; then
1989         have_ent_pseuc="no"
1990 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no no"; then
1991         have_ent_pseuc="no"
1992 fi
1993
1994 ## whether to enable gaussian numbers
1995 ent_dijkstra="$with_ent_quatern $sxe_cv_feat_quatern"
1996 if test "$ent_dijkstra" = "yes yes"; then
1997         ## perfick
1998         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
1999         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
2000         SXE_ADD_ENT_OBJS([ent-quatern.o])
2001         have_ent_quatern="yes"
2002 elif test "$ent_dijkstra" = "yes no"; then
2003         ## grrrr
2004         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2005         have_ent_quatern="no"
2006 elif test "$ent_dijkstra" = "no yes"; then
2007         have_ent_quatern="no"
2008 elif test "$ent_dijkstra" = "no no"; then
2009         have_ent_quatern="no"
2010 fi
2011
2012 ## elliptic curve support
2013 ent_dijkstra="$with_ent_ecm $sxe_cv_feat_ecm"
2014 if test "$ent_dijkstra" = "yes yes"; then
2015         ## perfick case
2016         AC_DEFINE([WITH_ECM], [1], [Description here!])
2017         SXE_PREPEND([$ECM_LIBS], [ENT_LIBS])
2018         SXE_ADD_ENT_OBJS([ent-ecm.o])
2019         have_ent_ecm="yes"
2020 elif test "$ent_dijkstra" = "no yes"; then
2021         have_ent_ecm="no"
2022 elif test "$ent_dijkstra" = "yes no"; then
2023         AC_DEFINE([WITH_ECM], [1], [Description here!])
2024         have_ent_ecm="no"
2025 elif test "$ent_dijkstra" = "no no"; then
2026         have_ent_ecm="no"
2027 fi
2028
2029
2030 ## Floating operation support is now unconditional
2031 SXE_CHECK_MATHS_VALUES
2032 if test "$ac_cv_sizeof_long_double" != 0; then
2033         ##AC_DEFINE_UNQUOTED([fpfloat], [long double], [Description here!])
2034         ##AC_DEFINE([fpfloat_long_double_p], [1], [Description here!])
2035         fpfloat="long double"
2036         fpfloat_long_double_p=1
2037         have_fpfloat=yes
2038 elif test "$ac_cv_sizeof_double" != 0; then
2039         ##AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2040         ##AC_DEFINE([fpfloat_double_p], [1], [Description here!])
2041         fpfloat="double"
2042         fpfloat_double_p=1
2043         have_fpfloat=yes
2044 else
2045         AS_MESSAGE([Uh oh, no float type is bad news.])
2046         have_fpfloat=no
2047 fi
2048
2049 AC_MSG_CHECKING([if need to add -lm])
2050 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2051 #include <math.h>
2052 ]],[[
2053 return sin(0.0);
2054 ]])], [AC_MSG_RESULT([no])], [
2055         AC_MSG_RESULT([maybe])
2056         save_LIBS=$LIBS
2057         SXE_APPEND([-lm], [LIBS])
2058         AC_MSG_CHECKING([if can add -lm])
2059         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2060 #include <math.h>
2061 ]],[[
2062 return sin(0.0);
2063 ]])], [AC_MSG_RESULT([yes])], [
2064         AC_MSG_RESULT([no])
2065         AC_MSG_WARN([No way to use math functions found. Reverting option append.])
2066         LIBS=$save_LIBS])])
2067
2068
2069
2070 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2071 #include <math.h>
2072 ]],[[
2073 return atanh(1.0) + asinh(1.0) + acosh(1.0);
2074 ]])], [AC_DEFINE([HAVE_INVERSE_HYPERBOLIC], [1], [Description here!])])
2075
2076 if test "$have_fpfloat" = "yes"; then
2077         AC_DEFINE([HAVE_FPFLOAT], [1], [Description here!])
2078
2079         SXE_CHECK_CLEAN_FLOATOPS(
2080                 [have_clean_floatops="yes"], [have_clean_floatops="no"])
2081
2082         ## it would seem odd to define the destiny of our float arithmetic here
2083         if test "$have_clean_floatops" = "yes"; then
2084                 AC_DEFINE_UNQUOTED([fpfloat], [$fpfloat], [Description here!])
2085                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2086                         [${fpfloat_long_double_p:-0}], [Description here!])
2087                 AC_DEFINE_UNQUOTED([fpfloat_double_p],
2088                         [${fpfloat_double_p:-0}], [Description here!])
2089         else
2090                 AS_MESSAGE([downgrading to `double' floats])
2091                 AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2092                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2093                         [0], [Description here!])
2094                 AC_DEFINE([fpfloat_double_p],
2095                         [1], [Description here!])
2096         fi
2097 fi
2098
2099 ## trivial checks, you cannot (yet) turn off internal arithmetic entirely
2100 ## so we always `have' it
2101 dnl with_ent_int=yes
2102 have_ent_int=yes
2103 dnl with_ent_indef=yes
2104 have_ent_indef=yes
2105 dnl with_ent_fpfloat=yes
2106 have_ent_fpfloat=yes
2107 dnl we attempt to always use ent.o
2108 AC_DEFINE([WITH_NUMBER_TYPES], [1], [Description here!])
2109 SXE_SUBST_ENT_OBJS
2110
2111 dnl experimental code support
2112 if test "$with_compre" != "no"; then
2113         AC_MSG_CHECKING([if compre prerequisites are met])
2114         AC_MSG_RESULT([yes])
2115         AC_DEFINE([EF_USE_COMPRE], [1],
2116                 [Whether to provide compiled regular expression!])
2117         have_compre=yes
2118 fi
2119 if test "$with_experimental_features_pom" = "yes"; then
2120         AC_MSG_CHECKING([if pom prerequisites are met])
2121         if test "$have_threads" = "yes"; then
2122                 AC_MSG_RESULT([yes])
2123                 AC_DEFINE([EF_USE_POM], [1],
2124                         [Whether to protect all lisp objects with mutexes!])
2125                 have_experimental_features_pom=yes
2126         else
2127                 AC_MSG_RESULT([no])
2128         fi
2129 fi
2130 if test "$with_experimental_features_asyneq" = "yes"; then
2131         AC_MSG_CHECKING([if asyneq prerequisites are met])
2132         if test "$have_threads" = "yes"; then
2133                 AC_MSG_RESULT([yes])
2134                 AC_DEFINE([EF_USE_ASYNEQ], [1],
2135                         [Whether to setup asynchronous event queues!])
2136                 have_experimental_features_asyneq=yes
2137                 SXE_ADD_EVENTS_OBJS([event-queue.o workers.o worker-asyneq.o])
2138         else
2139                 AC_MSG_RESULT([no])
2140         fi
2141 fi
2142 SXE_SUBST_EVENTS_OBJS
2143
2144 SXE_CHECK_EVENTS
2145 SXE_CHECK_SUFFICIENCY([events], [event system])
2146
2147 ## check asm helpers
2148 SXE_CHECK_ASM_HELPERS
2149
2150 ## compression titbits
2151 SXE_CHECK_ZLIB
2152 SXE_CHECK_BZLIB
2153 SXE_CHECK_LZMA
2154
2155
2156 ## Cryptography Options
2157 ## ====================
2158 echo
2159 echo "Cryptography Options"
2160 echo "===================="
2161
2162 ## in case someone else (ldap, pgsql, etc.) needs it
2163 SXE_CHECK_OPENSSL
2164 SXE_CHECK_SUFFICIENCY([openssl], [OpenSSL support])
2165
2166 dnl OpenSSL
2167 if test "$with_openssl" != "no" -a "$have_openssl" = "yes"; then
2168         SXE_ADD_CRUFT_OBJS([openssl.o])
2169 elif test "$with_openssl" != "no"; then
2170         AC_MSG_WARN([Required OpenSSL support cannot be provided.])
2171         AC_MSG_WARN([Check --with-site-prefixes.])
2172 fi
2173 if test "$have_openssl" = "no" -o "$with_openssl" = "no"; then
2174         OPENSSL_CPPFLAGS=""
2175         OPENSSL_LDFLAGS=""
2176         OPENSSL_LIBS=""
2177 fi
2178 AC_SUBST([OPENSSL_CPPFLAGS])
2179 AC_SUBST([OPENSSL_LDFLAGS])
2180 AC_SUBST([OPENSSL_LIBS])
2181
2182 SXE_CHECK_KERBEROS
2183 SXE_CHECK_KERBEROS5
2184 if test "$with_kerberos" = "yes"; then
2185         AC_DEFINE([WITH_KERBEROS], [1], [Whether kerberos support was requested])
2186         if test "$sxe_cv_feat_kerberos" = "yes"; then
2187                 SXE_PREPEND([$KERBEROS_LIBS], [ld_libs_general])
2188         fi
2189 fi
2190
2191
2192 ## Networking Options
2193 ## ==================
2194 echo
2195 echo "Networking Options"
2196 echo "=================="
2197
2198 SXE_CHECK_SOCKETS
2199 SXE_CHECK_SUFFICIENCY([unix], [unix domain sockets])
2200 SXE_CHECK_SUFFICIENCY([sysvipc], [SysV IPC message])
2201 SXE_CHECK_SUFFICIENCY([sockets], [tcp/udp sockets])
2202 SXE_CHECK_SUFFICIENCY([tcpudp], [tcp/udp sockets])
2203 SXE_CHECK_SUFFICIENCY([multicast], [multicast])
2204
2205 dnl Decnet
2206 if test "$with_dnet" = "yes"; then
2207   AC_CHECK_LIB(dnet, main,
2208     [AC_DEFINE([HAVE_LIBDNET], [1], [Description here!])],
2209     [SXE_DIE("DECnet requested but can't find libdnet")])
2210 fi
2211
2212 dnl Socks support
2213 if test "$with_socks" = "yes"; then
2214   AC_CHECK_LIB(socks, SOCKSinit)
2215   test -n "$ac_cv_lib_socks_SOCKSinit" && AC_DEFINE([HAVE_SOCKS], [1], [Description here!])
2216 fi
2217
2218
2219 ## Window System Features
2220 ## ======================
2221 echo
2222 echo "Window System Features"
2223 echo "======================"
2224
2225 dnl ----------------------
2226 dnl Choose a window system
2227 dnl ----------------------
2228
2229 AS_MESSAGE([checking for specified window system])
2230
2231 if test "$with_x" != "no"; then
2232         if test "$with_x11" != "no"; then
2233                 dnl User-specified --x-includes or --x-libraries implies --with-x11.
2234                 test "$x_includes $x_libraries" != "NONE NONE" && \
2235                         window_system=x11
2236                         with_x11=yes
2237         fi
2238
2239         dnl Autodetection of X11 libraries and includes
2240         dnl -------------------------------------------
2241         dnl AC_PATH_XTRA thinks it can find our X headers and includes, but
2242         dnl it often gets it wrong, so we only use it as a last resort.
2243
2244         dnl $OPENWINHOME implies --x-includes and --x-libraries
2245         dnl Not (yet) handled by autoconf2
2246         if test "$x_includes $x_libraries" = "NONE NONE" \
2247                 -a -n "$OPENWINHOME" \
2248                 -a "$OPENWINHOME" != "/usr/openwin" \
2249                 -a -d "$OPENWINHOME"; then
2250                 test -d "$OPENWINHOME/lib"           && \
2251                         x_libraries="$OPENWINHOME/lib"
2252                 test -d "$OPENWINHOME/include"       && \
2253                         x_includes="$OPENWINHOME/include"
2254                 test -d "$OPENWINHOME/share/include" && \
2255                         x_includes="$OPENWINHOME/share/include"
2256         fi
2257
2258         if test -z "$x_includes" -o \
2259            "$x_includes" = "NONE" -o \
2260            ! -d "$x_includes"; then
2261                 dnl AC_PATH_XTRA often guesses /usr/include, when some other
2262                 dnl include directory is a MUCH better guess (Linux, HP-UX 10.20).
2263                 dnl This is a workaround for idiot (esp. HP) system vendors, who
2264                 dnl provide a /usr/include/X11, but DON'T FULLY POPULATE IT.
2265                 for dir in "/usr/X11" "/usr/X11R7" "/usr/X11R6" \
2266                         "/usr/local" "/usr"; do
2267                         if test -d "$dir/include/X11"; then
2268                                 x_includes="$dir/include"
2269                                 break
2270                         fi
2271                 done
2272         fi
2273
2274         if test -z "$x_libraries" -o \
2275            "$x_libraries" = "NONE" -o \
2276            ! -d "$x_libraries"; then
2277                 for dir in \
2278                         "/usr/X11/lib" \
2279                         "/usr/X11R7/lib" "/usr/lib/X11R7" \
2280                         "/usr/X11R6/lib" "/usr/lib/X11R6" \
2281                         "/usr/local/lib" "/usr/local/lib/X11" \
2282                         "/usr/lib" "/usr/lib/X11"; do
2283                         if test -r "$dir/libX11.a"; then
2284                                 x_libraries="$dir"
2285                                 break
2286                         fi
2287                 done
2288         fi
2289
2290         AC_PATH_XTRA
2291         if test "$with_x11" != "no"; then
2292                 if test "$no_x" = "yes"; then
2293                         with_x11=no
2294                         window_system=none
2295                         HAVE_X_WINDOWS=no
2296                 else
2297                         with_x11=yes
2298                         window_system=x11
2299                         HAVE_X_WINDOWS=yes
2300                 fi
2301         fi
2302 fi
2303
2304 dnl #### wmperry:: !x11 != NONE
2305 dnl case "$with_x11" in
2306 dnl  yes ) window_system=x11  HAVE_X_WINDOWS=yes ;;
2307 dnl  no  ) window_system=none HAVE_X_WINDOWS=no  ;;
2308 dnl esac
2309
2310 AM_CONDITIONAL([DESCEND_LWLIB], [test "$with_x11" = "yes"])
2311 if test "$with_x11" = "yes"; then
2312         AC_DEFINE([HAVE_X_WINDOWS], [1], [Description here!])
2313         AC_DEFINE([NeedFunctionPrototypes], [1], [Description here!])
2314         AC_DEFINE([FUNCPROTO], [15], [Whatever this is.])
2315         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2316         SXE_APPEND([lwlib], [MAKE_SUBDIR])
2317         SXE_APPEND([lwlib], [SRC_SUBDIR_DEPS])
2318
2319         SXE_ADD_SXEUIX11_OBJS([console-x.o device-x.o event-Xt.o frame-x.o])
2320         SXE_ADD_SXEUIX11_OBJS([glyphs-x.o objects-x.o redisplay-x.o select-x.o])
2321         SXE_ADD_SXEUIX11_OBJS([xgccache.o])
2322
2323         SXE_DUMP_LIBS
2324         ## some debian systems are trying to fool us ... now fool them back!
2325         if test -d "$x_includes"; then
2326                 CPPFLAGS="$CPPFLAGS -I$x_includes"
2327         fi
2328         if test -d "$x_libraries"; then
2329                 LDFLAGS="$LDFLAGS -L$x_libraries"
2330         fi
2331
2332         dnl Look for Motif, but only if not found in $x_includes and $x_libraries
2333         AC_CHECK_HEADERS([Xm/Xm.h])
2334         if test "$ac_cv_header_Xm_Xm_h" = "yes"; then
2335                 AC_CHECK_LIB([Xm], [XmStringFree], [got_motif=yes])
2336         fi
2337
2338         if test "$got_motif" != "yes"; then
2339                 dnl Try to find Motif dirs
2340                 dnl These take precedence over other X libs/includes, so PRE-pend
2341                 for lib_dir in \
2342                         "/usr/dt/lib" "/usr/lib/Motif2.1" \
2343                         "/usr/lib/Motif1.2" "/usr/lib/Motif1.1"; do
2344                         inc_dir=`echo $lib_dir | sed -e 's/lib/include/'`
2345                         if test -d "$lib_dir" -a -d "$inc_dir"; then
2346                                 case "$x_libraries" in
2347                                 *"$lib_dir"* )
2348                                         ;;
2349                                 *)
2350                                         x_libraries="$lib_dir $x_libraries"
2351                                         SXE_PREPEND(["-L${lib_dir}"], [X_LIBS])
2352                                         ;;
2353                                 esac
2354                                 case "$x_includes" in
2355                                 "$inc_dir"* )
2356                                         ;;
2357                                 *)
2358                                         x_includes="$inc_dir $x_includes"
2359                                         SXE_PREPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2360                                         ;;
2361                                 esac
2362                                 break; dnl only need ONE Motif implementation!
2363                         fi
2364                 done
2365         fi
2366
2367         dnl Contrib X libs/includes do NOT take precedence, so AP-pend
2368         for rel in "X11R7" "X11R6" "X11R5" "X11R4"; do
2369                 lib_dir="/usr/contrib/$rel/lib" inc_dir="/usr/contrib/$rel/include"
2370                 if test -d "$lib_dir" -a -d "$inc_dir"; then
2371                         case "$x_libraries" in
2372                         *"$lib_dir"* )
2373                                 ;;
2374                         *)
2375                                 x_libraries="$x_libraries $lib_dir"
2376                                 SXE_APPEND(["-L${lib_dir}"], [X_LIBS])
2377                                 ;;
2378                         esac
2379                         case "$x_includes" in
2380                         "$inc_dir"* )
2381                                 ;;
2382                         *)
2383                                 x_includes="$x_includes $inc_dir"
2384                                 SXE_APPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2385                                 ;;
2386                         esac
2387                         break; dnl Only need ONE X11 implementation !
2388                 fi
2389         done
2390
2391         dnl Avoid version mismatch for shared library libXm.so on osf4
2392         case "$opsys" in
2393         decosf*)
2394                 AS_IF([test "$GCC" = yes -a -d "/usr/shlib"],
2395                         SXE_APPEND([-L/usr/shlib], [X_LIBS]))
2396                 ;;
2397         esac
2398
2399         LDFLAGS="$LDFLAGS $X_LIBS"
2400
2401         if test "$extra_verbose" = "yes"; then
2402                 echo
2403                 echo "X11 compilation variables:"
2404                 SXE_PRINT_VAR(x_libraries x_includes
2405                         X_CFLAGS X_LIBS X_PRE_LIBS X_EXTRA_LIBS)
2406                 echo
2407         fi
2408
2409         dnl Set up bitmaps search path.
2410         dnl The original suggestion was to unconditionally to append X11/bitmaps
2411         dnl to each element of $x_includes, I'm pretty sure this is the wrong
2412         dnl thing to do.  We test for bitmaps and X11/bitmaps directories on each
2413         dnl element and add them to BITMAPDIR if they exist.
2414         bitmapdirs=
2415         if test "$x_includes" != NONE; then
2416                 for i in $x_includes; do
2417                         if test -d "$i/bitmaps"; then
2418                                 bitmapdirs="$i/bitmaps:$bitmapdirs"
2419                         fi
2420                         if test -d "$i/X11/bitmaps"; then
2421                                 bitmapdirs="$i/X11/bitmaps:$bitmapdirs"
2422                         fi
2423                 done
2424                 bitmapdirs=`echo "$bitmapdirs" | sed s/.$//`
2425         fi
2426         if test ! -z "$bitmapdirs"; then
2427                 AC_DEFINE_UNQUOTED([BITMAPDIR], ["$bitmapdirs"], [Description here!])
2428         fi
2429
2430 dnl   dnl Autodetect defines extracted from X config by xmkmf, e.g. NARROWPROTO
2431 dnl   AS_MESSAGE(checking for X defines extracted by xmkmf)
2432 dnl   rm -fr conftestdir
2433 dnl   if mkdir conftestdir; then
2434 dnl     cd conftestdir
2435 dnl     cat > Imakefile <<'EOF'
2436 dnl xetest:
2437 dnl     @echo ${PROTO_DEFINES} ${STD_DEFINES}
2438 dnl EOF
2439 dnl     if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
2440 dnl       # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
2441 dnl       xmkmf_defines=`${MAKE-make} xetest 2>/dev/null | grep -v make`
2442 dnl     fi
2443 dnl     cd ..
2444 dnl     rm -fr conftestdir
2445 dnl     for word in $xmkmf_defines; do
2446 dnl       case "$word" in
2447 dnl       -D__STDC__*) ;;
2448 dnl       -D* )
2449 dnl     sym=`echo '' $word | sed -e 's:^ *-D::' -e 's:=.*::'`
2450 dnl     case "$word" in
2451 dnl       -D*=* ) val=`echo '' $word | sed -e 's:^.*=::'` ;;
2452 dnl       *     ) val=1 ;;
2453 dnl     esac
2454 dnl dnl Avoid re-AC_DEFINE-ing xmkmf symbols we've already defined above.
2455 dnl     if grep "^#define $sym " confdefs.h >/dev/null; then :; else
2456 dnl       if test "$val" = "1"
2457 dnl         then AC_DEFINE_UNQUOTED([$sym], [], [Description here!])
2458 dnl         else AC_DEFINE_UNQUOTED([$sym], [$val], [Description here!])
2459 dnl       fi
2460 dnl     fi  ;;
2461 dnl       esac
2462 dnl     done
2463 dnl   fi
2464
2465         dnl make sure we can find Intrinsic.h
2466         AC_CHECK_HEADER([X11/Intrinsic.h], [],
2467                 [AC_MSG_ERROR([Unable to find X11 header files. Try using --x-includes=<path> if you know the path, or --with-x=no to disable X11 support.])])
2468
2469         dnl Check some more headers
2470         AC_CHECK_HEADERS([X11/Intrinsic.h X11/StringDefs.h X11/Shell.h X11/ShellP.h],
2471                 [],[],
2472                 [[#if HAVE_X11_INTRINSIC_H
2473                   # include <X11/Intrinsic.h>
2474                   # include <X11/IntrinsicP.h>
2475                   # include <X11/CoreP.h>
2476                   #endif]])
2477
2478         dnl -lXt and -lX11 are required
2479         dnl Some broken systems require the magic "-b i486-linuxaout" flag
2480
2481         dnl Other broken systems will not pass these tests unless the pre and
2482         dnl extra libs are passed on...
2483         LIBS="$LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
2484         AC_CHECK_LIB(X11, XOpenDisplay, have_lib_x11=yes)
2485         if test "$have_lib_x11" != "yes"; then
2486                 AC_CHECK_LIB([X11], [XGetFontProperty],
2487                         [],
2488                         [AC_MSG_ERROR([Unable to find X11 libraries. Try using --x-libraries=<path> if you know the path, or --with-x=no to disable X11 support.])])
2489         fi
2490         SXE_PREPEND([-lX11], [libs_x])
2491         LIBS="$LIBS -lX11"
2492         if test "$extra_verbose" = "yes"; then
2493                 echo "    Setting libs_x to \"-lX11\""
2494         fi
2495         dnl Autodetect -lXext
2496         AC_CHECK_LIB([Xext], [XShapeSelectInput], [SXE_PREPEND([-lXext], [libs_x])])
2497
2498         dnl Require -lXt
2499         AC_CHECK_LIB([Xt], [XtOpenDisplay], [SXE_PREPEND([-lXt], [libs_x])], [
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
2502         AC_MSG_CHECKING([the version of X11 being used])
2503         AC_RUN_IFELSE([AC_LANG_SOURCE([[
2504 #include <X11/Intrinsic.h>
2505 int main(int c, char *v[]) { return c>1 ? XlibSpecificationRelease : 0; }]])],
2506                 [./conftest foobar; x11_release=$?],[x11_release=4],[x11_release=4])
2507         AC_MSG_RESULT(R${x11_release})
2508         AC_DEFINE_UNQUOTED([X11_RELEASE], [${x11_release}], [Description here!])
2509
2510         AC_CHECK_FUNCS([XConvertCase])
2511         AC_CHECK_LIB([Xt], [XtRegisterDrawable])
2512         if test "$ac_cv_lib_Xt_XtRegisterDrawable" = "yes"; then
2513                 AC_DEFINE([HAVE_XTREGISTERDRAWABLE], [1], [Description])
2514         fi
2515
2516         AC_CHECK_HEADERS(X11/Xlocale.h)
2517
2518         dnl XFree86 has a non-standard prototype for this X11R6 function
2519         AC_CHECK_FUNCS(XRegisterIMInstantiateCallback)
2520         AC_MSG_CHECKING(for standard XRegisterIMInstantiateCallback prototype)
2521         AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2522 #ifndef NeedFunctionPrototypes
2523 #define NeedFunctionPrototypes 1
2524 #endif
2525 #include <X11/Xlib.h>
2526 extern Bool XRegisterIMInstantiateCallback(
2527         Display*, struct _XrmHashBucketRec*, char*, char*, XIMProc, XPointer*);
2528 ]])],
2529         [AC_MSG_RESULT(yes)],
2530         [AC_MSG_RESULT(no)
2531                 AC_DEFINE([XREGISTERIMINSTANTIATECALLBACK_NONSTANDARD_PROTOTYPE],
2532                         [], [Description here!])])
2533
2534         dnl autodetect -lXmu
2535         AC_CHECK_LIB([Xmu], [XmuReadBitmapDataFromFile],
2536                 [with_xmu=yes], [with_xmu=no])
2537         if test "$with_xmu" = "no"; then
2538                 SXE_ADD_SXEUIX11_OBJS([xmu.o])
2539         else
2540                 SXE_PREPEND([-lXmu], [libs_x])
2541                 AC_DEFINE([HAVE_XMU], [1], [Description here!])
2542         fi
2543
2544         dnl Autodetect -lXbsd
2545         dnl #### Someone, please add a better function than main
2546         AC_CHECK_LIB([Xbsd], [main], SXE_PREPEND([-lXbsd], [libs_x]))
2547
2548         dnl restore old values
2549         SXE_RESTORE_LIBS
2550 fi dnl $with_x11 = yes
2551
2552 AC_SUBST([install_pp])
2553
2554 dnl test "$with_dragndrop" != "no" && with_dragndrop="$with_dragndrop_default"
2555 dnl test -z "$window_system" && window_system="none"
2556 with_dragndrop="no"
2557
2558 dnl Test for features that require a window system - ANY window system
2559 if test "$window_system" = "none"; then
2560   for feature in menubars scrollbars toolbars dialogs dragndrop xface
2561   do
2562     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2563        AC_MSG_WARN([--with-$feature ignored:  Not valid without window system support])
2564     fi
2565     eval "with_${feature}=no"
2566   done
2567 else
2568   test -z "with_toolbars" && with_toolbars=yes
2569 fi
2570
2571 dnl Test for features that require X11 support
2572 if test "$with_x11" != "yes"; then
2573   for feature in offix wmcommand xim xmu nas_sound
2574   do
2575     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2576        AC_MSG_WARN([--with-$feature ignored:  Not valid without X support])
2577     fi
2578     eval "with_${feature}=no"
2579   done
2580 fi
2581
2582 dnl Balloon Help requires the Shape extension, not available everywhere,
2583 dnl for example not on AIX 4.3.
2584 if test "$with_x11" = "yes"; then
2585   AC_CHECK_HEADER(X11/extensions/shape.h, [
2586    AC_DEFINE([HAVE_BALLOON_HELP], [1], [Description here!])
2587    SXE_ADD_SXEUIX11_OBJS(balloon_help.o balloon-x.o)
2588    ])
2589 fi
2590
2591 dnl FSF 19.29 has some bitmapdir stuff here.
2592 bitmapdir=
2593
2594 case "$window_system" in
2595   x11  ) HAVE_X_WINDOWS=yes; echo "  Using X11." ;;
2596   none ) HAVE_X_WINDOWS=no ; echo "  Using no window system." ;;
2597 esac
2598
2599 if test -n "$window_system" -a "$window_system" != "none"; then
2600         AC_DEFINE_UNQUOTED([HAVE_WINDOW_SYSTEM], [1], [Description here!])
2601 fi
2602
2603 case "$x_libraries" in *X11R4* )
2604   test "$opsys" = "hpux9"     && opsysfile="s/hpux9-x11r4.h"
2605   test "$opsys" = "hpux9-shr" && opsysfile="s/hpux9shxr4.h"
2606 esac
2607
2608 dnl Enable or disable proper handling of WM_COMMAND
2609 AS_MESSAGE(checking for WM_COMMAND option);
2610 dnl if test "$with_wmcommand" = "yes"; then
2611 if test "$with_wmcommand" != "no"; then
2612   AC_DEFINE([HAVE_WMCOMMAND], [1], [Description here!])
2613 fi
2614
2615 dnl Autodetect Xauth
2616 dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
2617 test "$with_xauth" != "no" && test "$window_system" = "none" && with_xauth=no
2618 SXE_DUMP_LIBS
2619 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2620 LDFLAGS="$LDFLAGS $X_LIBS"
2621 AC_CHECK_HEADER([X11/Xauth.h], [:], [with_xauth=no])
2622 AC_CHECK_LIB([Xau], [XauGetAuthByAddr], [:], [with_xauth=no])
2623 if test "$with_xauth" = "yes"; then
2624   AC_DEFINE([HAVE_XAUTH], [1], [Description here!])
2625   SXE_CONSECUTIVE_UNDUP([libs_xauth], [$X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS])
2626 fi
2627 SXE_RESTORE_LIBS
2628 AC_SUBST(libs_xauth)
2629
2630 dnl ----------------------
2631 dnl X-Specific Graphics libraries
2632 dnl ----------------------
2633
2634 ## Oki, now that we really need a more exhaustive way to autodetect
2635 ## athena and other widgets we construct a chain.  The elements of
2636 ## that chain are simple atomic tests (provided by AC_DEFUNs).
2637 ## The chain is defined to be:
2638 ##
2639 ## neXtaw -> Xaw3d -> XawXpm -> Xaw95  ->  Xaw  ->  Motif  ->  Nirvana
2640 ## ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^      ^^^      ^^^^^
2641 ##         3d sets                       non-3d   non-athena
2642 ##
2643 ## Now if the user passes a --with-athena=foo option, we jump
2644 ## directly to the according test-suite and in case this fails we jump
2645 ## off the cliff.
2646 ##
2647 ## Attention:
2648 ## We shall perform every test-suite twice, once the correct way, and
2649 ## once with #include'ing the Xfuncproto header.
2650 ## Thanks to the many, many distributions which treat their users
2651 ## like braindead zombies!
2652 ## Especially, I would like to thank Fedora/RedHat for bringing
2653 ## this up. Go on guys, you rock!
2654
2655 ## and now the test chain
2656 if test "$with_x11" = "yes" -a "$with_x" != "no"; then
2657         SXE_CHECK_XTOOLKITS
2658         SXE_CHECK_XT_DEPENDENCIES
2659 else
2660         with_menubars=no
2661         with_scrollbars=no
2662         with_dialogs=no
2663         with_toolbars=no
2664         with_widgets=no
2665 fi
2666
2667 dnl Always compile OffiX unless --without-offix is given, no
2668 dnl X11 support is compiled in, no standard Xmu is available,
2669 dnl or dragndrop support is disabled
2670 dnl Because OffiX support currently loses when more than one display
2671 dnl is in use, we now disable it by default -slb 07/10/1998.
2672 test "$window_system" != "x11" && with_offix=no
2673 if test "$with_xmu" != yes -a "$with_x11" = yes; then
2674   if test "$with_offix" = "yes" ; then
2675     AC_MSG_WARN([--with-offix forced to `no'; no real Xmu support])
2676   fi
2677   with_offix=no
2678 fi
2679 if test "$with_dragndrop" = "no" ; then
2680   if test "$with_offix" = "yes" ; then
2681     AC_MSG_WARN([--with-offix forced to `no'; no generic Drag'n'Drop support])
2682   fi
2683   with_offix=no
2684 fi
2685 if test "$with_offix" = "yes"; then
2686   AC_DEFINE([HAVE_OFFIX_DND], [1], [Description here!])
2687   SXE_APPEND(offix.o, dnd_objs)
2688   SXE_APPEND(OffiX, dragndrop_proto)
2689 fi
2690
2691
2692 ## TTY Options
2693 ## ===========
2694 echo
2695 echo "TTY Options"
2696 echo "==========="
2697
2698
2699 dnl ---------------------
2700 dnl TTY-dependent options
2701 dnl ---------------------
2702
2703 dnl checks for header files
2704 AC_CHECK_HEADERS([libintl.h nlist.h sgtty.h termio.h termios.h])
2705
2706 AS_IF([test "$with_tty" != "no"],[
2707    AS_MESSAGE(checking for TTY-related features)
2708    dnl Check if needed calls are available at all...
2709    tty_libs="ncurses curses terminfo termlib termcap"
2710    tty_funcs="tgetent tgetstr tgetflag tparm tgoto tputs"
2711    for func in $tty_funcs; do
2712        AC_SEARCH_LIBS($func,$tty_libs)
2713    done
2714    AS_IF([test "$ac_cv_search_tgetent"  = "no" -a \
2715                "$ac_cv_search_tgetflag" = "no" -a \
2716                "$ac_cv_search_tgetstr"  = "no" -a \
2717                "$ac_cv_search_tgoto"    = "no" -a \
2718                "$ac_cv_search_tparm"    = "no" -a \
2719                "$ac_cv_search_tputs"    = "no" ], 
2720                    have_tty=no)
2721    AS_IF([test "$with_tty" = "yes" -a "$have_tty" = "no" ],[
2722       AC_MSG_ERROR([Your system lacks necessary functions for requested TTY support])])
2723 ],[
2724   for feature in ncurses curses termcap terminfo termlib gpm; do
2725     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2726       AC_MSG_WARN([--with-${feature} ignored:  Not valid without TTY support])
2727     fi
2728     eval "with_${feature}=no"
2729   done
2730 ])
2731
2732 AS_IF([test "$with_tty" != "no" -a "$have_tty" != "no" ],[
2733    for lib in $tty_libs; do 
2734       SXE_CHECK_LINK_LIB($lib, , eval have_${lib}=no)
2735       with_lib_eval=`eval echo \\$with_$lib`
2736       have_lib_eval=`eval echo \\$have_$lib`
2737       AS_IF([test "$have_lib_eval" = "yes" ], [
2738          for func in $tty_funcs; do
2739              AC_CHECK_LIB($lib, tgetent)
2740              AC_CHECK_LIB($lib, tgetstr)
2741              AC_CHECK_LIB($lib, tgetflags)
2742              AC_CHECK_LIB($lib, tparm)
2743              AC_CHECK_LIB($lib, tgoto)
2744              AC_CHECK_LIB($lib, tputs)
2745          done
2746       ])
2747       have_lib_eval=`eval echo \\$have_$lib`
2748       AS_IF([test "$with_lib_eval" = "yes" -a \
2749                   "$have_lib_eval" = "no" ],
2750         AC_MSG_WARN([Errors detected trying to use requested $lib. Continuing with autodetection.]))
2751    done
2752    AS_IF([test "$sxe_cv_c_lib_ncurses"  = "no" -a \
2753                "$sxe_cv_c_lib_curses"   = "no" -a \
2754                "$sxe_cv_c_lib_termcap"  = "no" -a \
2755                "$sxe_cv_c_lib_terminfo" = "no" -a \
2756                "$sxe_cv_c_lib_termlib"  = "no"], 
2757                    have_tty=no)
2758    AS_IF([test "$with_tty" = "yes" -a "$have_tty" = "no"],
2759       AC_MSG_ERROR([Your system lacks necessary libraries for requested TTY support.]))
2760 ])
2761
2762
2763 AS_IF([test "$with_tty" != "no" -a "$have_tty" != "no" ],[
2764     AC_DEFINE([HAVE_NCURSES], [1], [Description here!])
2765     with_ncurses=yes
2766     AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2767     if test -z "$curses_h_file"; then
2768             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2769     fi
2770     if test -n "$curses_h_file"; then
2771             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2772             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2773     else
2774             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2775             AC_CHECK_HEADER(termcap.h, termcap_h_file=termcap.h)
2776             AC_CHECK_HEADER(term.h,    term_h_file=term.h)
2777     fi
2778     SXE_ADD_SXEUITTY_OBJS(terminfo.o)
2779     SXE_PREPEND(-lncurses, LIBS)
2780
2781     if test -z "$curses_h_file" ; then
2782       dnl Try again, and check for the bogus ncurses/ include bug.
2783       dnl (i.e. ncurses/curses.h bogusly includes <unctrl.h> instead of
2784       dnl <ncurses/unctrl.h>)
2785       save_c_switch_site="$c_switch_site"
2786       c_switch_site="$c_switch_site -I/usr/include/ncurses"
2787       AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2788       if test -z "$curses_h_file"; then
2789             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2790       fi
2791       if test -n "$curses_h_file"; then
2792             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2793             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2794       else
2795             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2796             AC_CHECK_HEADER(termcap.h, curses_h_file=termcap.h)
2797             AC_CHECK_HEADER(term.h,    curses_h_file=term.h)
2798       fi
2799       if test -n "$curses_h_file"
2800         then AC_MSG_WARN([Your system has the bogus ncurses include bug.])
2801         else c_switch_site="$save_c_switch_site"
2802       fi
2803     fi
2804 ])
2805
2806 AS_IF([test "$with_tty" != "no" -a "$have_ncurses" != "no" ],[
2807   if test "$with_ncurses" = "no" -o -z "$curses_h_file" ; then
2808
2809     # Check alternate library includes
2810     for lib in curses term terminfo termcap; do
2811         AC_CHECK_HEADER(${lib}.h, [
2812                 eval ${lib}_h_file=${lib}.h
2813                 AC_CHECK_LIB($lib, tgetent, eval have_${lib}=yes, eval have_${lib}=no)
2814                 AC_CHECK_LIB($lib, tgetstr, , eval have_${lib}=no)])
2815     done
2816
2817     for lib in curses terminfo termlib termcap; do
2818           have_lib_eval=`eval echo \\$have_$lib`
2819           if test "$have_lib_eval" = "yes"; then
2820                 AC_CHECK_LIB($lib, tparm,
2821                           SXE_ADD_SXEUITTY_OBJS(terminfo.o),
2822                           SXE_ADD_SXEUITTY_OBJS(tparam.o))
2823                 SXE_PREPEND(-l${lib}, LIBS)
2824                 break
2825           fi
2826     done
2827   fi
2828   if test -n "$curses_h_file"; then
2829         AC_DEFINE_UNQUOTED([HAVE_CURSES_H], [1], [There is a curses.h header file available])
2830   fi
2831   if test -n "$termcap_h_file"; then
2832         AC_DEFINE_UNQUOTED([HAVE_TERMCAP_H], [1], [There is a termcap.h header available])
2833   fi
2834   if test -n "$term_h_file"; then
2835         AC_DEFINE_UNQUOTED([HAVE_TERM_H], [1], [There is a term.h header available])
2836   fi
2837   AC_DEFINE_UNQUOTED([CURSES_H_FILE], ["${curses_h_file-curses.h}"], [The curses.h header file])
2838   AC_DEFINE_UNQUOTED([TERMCAP_H_FILE], ["${termcap_h_file-termcap.h}"], [The termcap.h header file])
2839   AC_DEFINE_UNQUOTED([TERM_H_FILE], ["${term_h_file-term.h}"], [The term.h header file])
2840 ])
2841
2842 AS_IF([test "$with_tty" != "no" -a "$have_tty" != no], [
2843         AC_DEFINE([HAVE_TTY], [1], [Include TTY support for SXEmacs])
2844         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Include Unixoid event loop - TTY provided])
2845         SXE_ADD_SXEUITTY_OBJS([console-tty.o device-tty.o event-tty.o frame-tty.o objects-tty.o redisplay-tty.o cm.o])
2846 ])
2847 AS_IF([test "$with_tty" != "no" -a "$have_tty" != no], [
2848   dnl General Purpose Mouse (libgpm) support
2849   AS_IF([test "$with_gpm" != "no"], [
2850     AC_CHECK_HEADER(gpm.h, [
2851       AC_CHECK_LIB(gpm, Gpm_Open, have_gpm=yes)])
2852     AS_IF([test "$have_gpm" = "yes"], [
2853       with_gpm=yes
2854       AC_DEFINE([HAVE_GPM], [1], [General Purpose Mouse (libgpm) is available])
2855       SXE_ADD_SXEUITTY_OBJS(gpmevent.o)
2856       SXE_PREPEND(-lgpm, LIBS) ],[ with_gpm=no ])
2857   ])
2858 ])
2859
2860 SXE_CHECK_UI_SUFFICIENCY
2861
2862 AS_IF([test -z "$window_system" -o "$window_system" != "none" ], [
2863     dnl It ought to be reasonable to have no output device at all, and only use
2864     dnl SXEmacs in --batch mode.
2865     AS_IF([test "$with_tty" = "no"],
2866        AC_MSG_WARN([No window system nor TTY support. You only can use --batch mode.]))
2867 ])
2868
2869 ## Uncertain options
2870 ## =================
2871 echo
2872 echo "Uncertain options"
2873 echo "================="
2874
2875 ## for native xml support one day
2876 SXE_LANG_CHECK_XML
2877 SXE_CHECK_SUFFICIENCY([libxml2], [xml language])
2878 ## for BoehmGC support one day
2879 SXE_CHECK_BDWGC
2880 SXE_CHECK_SUFFICIENCY([bdwgc], [Boehm-Demers-Weiser GC])
2881
2882 if test "$with_experimental_features_bdwgc" = "yes"; then
2883         AC_MSG_CHECKING([if bdwgc prerequisites are met])
2884         AC_MSG_RESULT([${have_bdwgc}])
2885         have_experimental_features_bdwgc=${have_bdwgc}
2886         if test "${have_bdwgc}" = "yes"; then
2887                 AC_DEFINE([EF_USE_BDWGC], [1],
2888                         [Whether to actually use the BDWGC!])
2889         fi
2890 fi
2891
2892
2893 dnl This one is for the static initializeds variables in
2894 dnl offix.c, so that the thing is dumped after lastfile.o
2895 AC_SUBST(dnd_objs)
2896
2897 dnl Autodetect dll support
2898
2899 LIBSTDCPP=
2900 AC_SUBST(LIBSTDCPP)
2901
2902
2903 ## Multimedia Options
2904 ## ==================
2905 echo
2906 echo "Multimedia Options"
2907 echo "=================="
2908
2909 dnl ----------------------
2910 dnl Graphics libraries
2911 dnl ----------------------
2912
2913 if test "$with_image_xpm" = "yes"; then
2914         SXE_MM_CHECK_XPM([have_image_xpm=yes], [have_image_xpm=no])
2915
2916         AC_MSG_CHECKING([for sufficient xpm support])
2917         if test "$have_image_xpm" = "yes"; then
2918                 AC_MSG_RESULT([yes])
2919                 AC_DEFINE([HAVE_XPM], [1], [Description here!])
2920                 SXE_PREPEND([-lXpm], [MM_LIBS])
2921         else
2922                 AC_MSG_RESULT([no])
2923                 have_image_xpm=no
2924         fi
2925 fi
2926 AM_CONDITIONAL([WITH_BDWGC],
2927         [test "$with_experimental_features_bdwgc" = "yes" -a \
2928               "$have_bdwgc" = "yes"])
2929
2930 if test "$with_image_xface" = "yes"; then
2931         SXE_MM_CHECK_XFACE([have_image_xface=yes], [have_image_xface=no])
2932
2933         AC_MSG_CHECKING([for sufficient xface support])
2934         if test "$have_image_xface" = "yes"; then
2935                 AC_MSG_RESULT([yes])
2936                 AC_DEFINE([HAVE_XFACE], [1], [dnl
2937                         Both compface.h and libcompface have been found.])
2938                 SXE_PREPEND([-lcompface], [MM_LIBS])
2939         else
2940                 AC_MSG_RESULT([no])
2941                 have_image_xface=no
2942         fi
2943 fi
2944
2945 if test "$with_image_gif" = "yes"; then
2946         SXE_MM_CHECK_GIF([have_image_gif=yes], [have_image_gif=no])
2947
2948         AC_MSG_CHECKING([for sufficient gif support])
2949         if test "$have_image_gif" = "yes"; then
2950                 AC_MSG_RESULT([yes])
2951                 AC_DEFINE([HAVE_GIF], [1], [Enable internal GIF decoding])
2952                 SXE_ADD_MM_OBJS(dgif_lib.o gif_io.o)
2953         else
2954                 AC_MSG_RESULT([no])
2955         fi
2956 fi
2957
2958 SXE_MM_SEARCH_INFLATE
2959
2960 if test "$with_image_jpeg" = "yes"; then
2961         SXE_MM_CHECK_JPEG([have_image_jpeg=yes], [have_image_jpeg=no])
2962
2963         AC_MSG_CHECKING([for sufficient jpeg support])
2964         if test "$have_image_jpeg" = "yes"; then
2965                 AC_MSG_RESULT([yes])
2966                 AC_DEFINE([HAVE_JPEG], [1], [
2967                         Both jpeglib.h and libjpeg have been found.])
2968                 SXE_PREPEND([-ljpeg], [MM_LIBS])
2969         else
2970                 AC_MSG_RESULT([no])
2971         fi
2972 fi
2973
2974 if test "$with_image_png" = "yes"; then
2975         AC_DEFINE([WITH_PNG], [1], [Define to 1 if png support is desired.])
2976         SXE_MM_CHECK_PNG([have_image_png="yes"], [have_image_png="no"])
2977
2978         SXE_MSG_CHECKING([for sufficient PNG support])
2979         SXE_MSG_RESULT([${sxe_cv_feat_png}])
2980         if test "$sxe_cv_feat_png" = "yes"; then
2981                 SXE_PREPEND_UNDUP([$PNG_CPPFLAGS], [MM_CPPFLAGS])
2982                 SXE_PREPEND_UNDUP([$PNG_LDFLAGS], [MM_LDFLAGS])
2983                 SXE_PREPEND([$PNG_LIBS], [MM_LIBS])
2984         fi
2985 fi
2986
2987 if test "$with_image_tiff" = "yes"; then
2988         SXE_MM_CHECK_TIFF([have_image_tiff=yes], [have_image_tiff=no])
2989
2990         AC_MSG_CHECKING([for sufficient TIFF support])
2991         if test "$have_image_tiff" = "yes"; then
2992                 AC_MSG_RESULT([yes])
2993                 AC_DEFINE([HAVE_TIFF], [1], [
2994                         Both tiffio.h and libtiff have been found.])
2995                 SXE_PREPEND([-ltiff], [MM_LIBS])
2996         else
2997                 AC_MSG_RESULT([no])
2998         fi
2999 fi
3000
3001 dnl Check for audio output and media stream libraries.
3002
3003 dnl internal media stream analysis support
3004 if test "$with_media_internal" != "no"; then
3005         need_media_internal=yes
3006         have_media_internal=yes
3007 fi
3008
3009 ## Since almost any of the below tests uses pkgconfig we make a
3010 ## once-for-all-times check now
3011 SXE_SEARCH_CONFIG_PROG([pkg-config])
3012
3013 dnl libsndfile support
3014 if test "$with_media_sndfile" != "no"; then
3015         SXE_MM_CHECK_SNDFILE([have_media_sndfile=yes], [have_media_sndfile=no])
3016
3017         AC_MSG_CHECKING([for sufficient sndfile support])
3018         if test "$have_media_sndfile" = "yes"; then
3019                 AC_MSG_RESULT([yes])
3020                 SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
3021                 SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags sndfile`
3022                 SNDFILE_VERSION=`$PKG_CONFIG --modversion sndfile`
3023                 SXE_PREPEND([$SNDFILE_LIBS], [MM_LIBS])
3024                 SXE_PREPEND_UNDUP([$SNDFILE_CPPFLAGS], [MM_CPPFLAGS])
3025                 SXE_ADD_MM_OBJS([media-sndfile.o])
3026                 AC_DEFINE([HAVE_SNDFILE], [1],
3027                         [Whether we appear to have support for the sndfile library!])
3028                 AC_DEFINE_UNQUOTED([SNDFILE_VERSION], [$SNDFILE_VERSION],
3029                         [Version of the sndfile library!])
3030         else
3031                 AC_MSG_RESULT([no])
3032                 have_media_sndfile=no
3033         fi
3034 fi
3035
3036 dnl libavcodec/libavformat/ffmpeg support
3037 if test "$with_media_ffmpeg" != "no"; then
3038         SXE_MM_CHECK_FFMPEG([have_media_ffmpeg=yes], [have_media_ffmpeg=no])
3039
3040         AC_MSG_CHECKING([for sufficient FFmpeg support])
3041
3042         if test "$have_media_ffmpeg" = "yes"; then
3043                 AC_MSG_RESULT([yes])
3044                 FFMPEG_LIBS=`$PKG_CONFIG --libs libavformat`
3045                 FFMPEG_CPPFLAGS=`$PKG_CONFIG --cflags libavformat`
3046                 SXE_PREPEND($FFMPEG_LIBS, MM_LIBS)
3047                 SXE_PREPEND_UNDUP($FFMPEG_CPPFLAGS, MM_CPPFLAGS)
3048                 SXE_ADD_MM_OBJS([media-ffmpeg.o])
3049                 AC_DEFINE([HAVE_FFMPEG], [1], [Description here!])
3050         else
3051                 AC_MSG_RESULT([no])
3052                 have_media_ffmpeg=no
3053         fi
3054 fi
3055
3056 dnl sox support
3057 if test "$with_media_sox" != "no"; then
3058         ## defines $LIBST_CONFIG
3059         SXE_MM_CHECK_SOX([have_media_sox=yes], [have_media_sox=no])
3060
3061         AC_MSG_CHECKING([for sufficient SoX support])
3062         if test "$sxe_cv_feat_sox" = "yes"; then
3063                 AC_MSG_RESULT([yes])
3064                 SXE_ADD_MM_OBJS([media-sox.o])
3065                 SXE_PREPEND_UNDUP([$sox_cppflags], [MM_CPPFLAGS])
3066                 SXE_PREPEND_UNDUP([$sox_ldflags], [MM_LDFLAGS])
3067                 SXE_PREPEND([$sox_libs], [MM_LIBS])
3068                 AC_DEFINE([HAVE_SOX], [1], [Description here!])
3069         else
3070                 AC_MSG_RESULT(no)
3071                 have_media_sox=no
3072         fi
3073 fi
3074
3075 dnl mad support
3076 if test "$with_media_mad" != "no"; then
3077         SXE_MM_CHECK_MAD([have_media_mad=yes], [have_media_mad=no])
3078
3079         AC_MSG_CHECKING([for sufficient mad support])
3080         if test "$have_media_mad" = "yes"; then
3081                 AC_MSG_RESULT([yes])
3082                 SXE_ADD_MM_OBJS([media-mad.o])
3083                 SXE_PREPEND([-lmad], [MM_LIBS])
3084                 AC_DEFINE([HAVE_MAD], [1], [Description here!])
3085         else
3086                 AC_MSG_RESULT(no)
3087                 have_media_mad=no
3088         fi
3089 fi
3090
3091 ## file/libmagic support
3092 if test "$with_media_magic" != "no"; then
3093         SXE_MM_CHECK_MAGIC([have_media_magic=yes], [have_media_magic=no])
3094
3095         AC_MSG_CHECKING([for sufficient magic support])
3096         if test "$have_media_magic" = "yes"; then
3097                 AC_MSG_RESULT([yes])
3098                 SXE_ADD_MM_OBJS([media-magic.o])
3099                 SXE_PREPEND([-lmagic], [MM_LIBS])
3100                 AC_DEFINE([HAVE_MAGIC], [1], [Whether libmagic is available])
3101         else
3102                 AC_MSG_RESULT([no])
3103                 have_media_magic=no
3104         fi
3105 fi
3106
3107
3108 dnl Autodetect OSS sound
3109 AS_MESSAGE([checking for OSS sound support])
3110 dnl test -z "$with_sound_oss" -a -n "$with_oss_sound_lib" && with_sound_oss=yes
3111
3112 dnl Check for Linux/BSD sound (called OSS)
3113 if test "$with_sound_oss" != "no"; then
3114         SXE_MM_CHECK_OSS([have_sound_oss=yes], [have_sound_oss=no])
3115
3116         AC_MSG_CHECKING([for sufficient OSS support])
3117         if test "$have_sound_oss" = "yes"; then
3118                 AC_MSG_RESULT([yes])
3119                 SXE_ADD_MM_OBJS([sound-oss.o])
3120                 AC_DEFINE([HAVE_INTERNAL_SOUND], [1], [Description here!])
3121                 AC_DEFINE([HAVE_OSS_SOUND], [1], [Description here!])
3122         else
3123                 AC_MSG_RESULT([no])
3124                 have_sound_oss=yes
3125         fi
3126 fi
3127
3128 dnl NAS Sound support
3129 if test "$with_sound_nas" != "no"; then
3130         SXE_MM_CHECK_NAS([have_sound_nas=yes], [have_sound_nas=no])
3131
3132         AC_MSG_CHECKING([for sufficient NAS support])
3133         if test "$have_sound_nas" = "yes"; then
3134                 AC_MSG_RESULT([yes])
3135                 AC_DEFINE([HAVE_NAS_SOUND], [1], [Description here!])
3136                 SXE_ADD_MM_OBJS([sound-nas.o])
3137                 SXE_PREPEND([-laudio], [MM_LIBS])
3138         else
3139                 AC_MSG_RESULT([no])
3140                 have_nas_sound=no
3141         fi
3142 fi
3143
3144 dnl ESD Sound support
3145 if test "$with_sound_esd" != "no"; then
3146         SXE_MM_CHECK_ESD([have_sound_esd=yes], [have_sound_esd=no])
3147
3148         AC_MSG_CHECKING([for sufficient ESD support])
3149         if test "$have_sound_esd" = "yes"; then
3150                 AC_MSG_RESULT([yes])
3151                 need_internal_media=yes
3152                 SXE_ADD_MM_OBJS([sound-esd.o])
3153                 ESD_LIBS=$("${ESD_CONFIG}" --libs)
3154                 SXE_PREPEND(["${ESD_LIBS}"], [MM_LIBS])
3155                 AC_DEFINE([HAVE_ESD_SOUND], [1], [Description here!])
3156         else
3157                 AC_MSG_RESULT([no])
3158                 have_esd_sound=no
3159         fi
3160 fi
3161
3162 dnl PulseAudio Sound support
3163 if test "$with_pulseaudio" != "no"; then
3164         SXE_MM_CHECK_PULSE([have_sound_pulse=yes], [have_sound_pulse=no])
3165
3166         AC_MSG_CHECKING([for sufficient PulseAudio support])
3167         if test "$have_sound_pulse" = "yes"; then
3168                 AC_MSG_RESULT([yes])
3169                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse`
3170                 pulse_version=`$PKG_CONFIG --modversion libpulse`
3171                 pulse_major_version=0
3172                 pulse_minor_version=`echo $pulse_version | \
3173                         sed -e "s/0\.\([[0-9]]*\).*/\1/"`
3174                 need_internal_media=yes
3175                 SXE_ADD_MM_OBJS([sound-pulse.o])
3176                 SXE_PREPEND($PULSEAUDIO_LIBS, MM_LIBS)
3177                 AC_DEFINE([HAVE_PULSE_SOUND], [1],
3178                         [Whether to put in support for PulseAudio.])
3179                 AC_DEFINE_UNQUOTED([PULSE_VERSION], [$pulse_minor_version],
3180                         [Version of the underlying pulse lib.])
3181         else
3182                 AC_MSG_RESULT(no)
3183                 have_sound_pulse=no
3184         fi
3185 fi
3186
3187 dnl Jack Sound support
3188 if test "$with_sound_jack" != "no"; then
3189         SXE_MM_CHECK_JACK([have_sound_jack=yes], [have_sound_jack=no])
3190
3191         AC_MSG_CHECKING([for sufficient Jack support])
3192         if test "$have_sound_jack" = "yes"; then
3193                 AC_MSG_RESULT([yes])
3194                 dnl okay, we have Jack on the system, but we have no working
3195                 dnl interface to it :(
3196                 JACK_LIBS=`$PKG_CONFIG --libs jack`
3197                 JACK_VERSION=`$PKG_CONFIG --modversion jack`
3198                 need_internal_media=yes
3199                 SXE_ADD_MM_OBJS([sound-jack.o])
3200                 SXE_PREPEND([$JACK_LIBS], [MM_LIBS])
3201                 AC_DEFINE([HAVE_JACK_SOUND], [1], [Description here!])
3202                 AC_DEFINE_UNQUOTED([JACK_VERSION], [$JACK_VERSION],
3203                         [Description here!])
3204         else
3205                 AC_MSG_RESULT(no)
3206         fi
3207 fi
3208
3209 dnl alsa sound support
3210 if test "$with_sound_alsa" != "no"; then
3211         SXE_MM_CHECK_ALSA([have_sound_alsa=yes], [have_sound_alsa=no])
3212
3213         AC_MSG_CHECKING([for sufficient ALSA support])
3214         if test "$have_sound_alsa" = "yes"; then
3215                 AC_MSG_RESULT([yes])
3216                 SXE_ADD_MM_OBJS([sound-alsa.o])
3217                 SXE_PREPEND([-lasound], [MM_LIBS])
3218         else
3219                 AC_MSG_RESULT(no)
3220                 have_sound_alsa=no
3221         fi
3222 fi
3223
3224 dnl libao sound support
3225 if test "$with_sound_ao" != "no"; then
3226         SXE_MM_CHECK_AO([have_sound_ao=yes], [have_sound_ao=no])
3227
3228         AC_MSG_CHECKING([for sufficient AO support])
3229         if test "$have_sound_ao" = "yes"; then
3230                 AC_MSG_RESULT([yes])
3231                 AO_LIBS=`$PKG_CONFIG --libs ao`
3232                 ao_version=`$PKG_CONFIG --modversion ao`
3233                 SXE_ADD_MM_OBJS([sound-ao.o])
3234                 SXE_PREPEND($AO_LIBS, MM_LIBS)
3235                 AC_DEFINE([HAVE_AO_SOUND], [1], [Description here!])
3236                 AC_DEFINE_UNQUOTED([AO_VERSION], [$ao_version], [Description here!])
3237         else
3238                 AC_MSG_RESULT(no)
3239                 have_sound_ao=no
3240         fi
3241 fi
3242
3243 if test \
3244    "$have_sound_alsa \
3245     $have_sound_ao \
3246     $have_sound_esd \
3247     $have_sound_jack \
3248     $have_sound_nas \
3249     $have_sound_pulse" != "no no no no no no"; then
3250         AC_DEFINE([HAVE_AUDIO], [1], [Description here!])
3251 fi
3252 if test "$need_internal_media" = "yes"; then
3253         with_internal_media=yes
3254         AC_DEFINE([HAVE_INTERNAL_MEDIA], [1], [Description here!])
3255         SXE_ADD_MM_OBJS([media-internal.o])
3256 fi
3257 AC_SUBST([MM_LIBS])
3258 AC_SUBST([MM_CPPFLAGS])
3259 AC_SUBST([MM_LDFLAGS])
3260 SXE_SUBST_MM_OBJS
3261
3262
3263 ## Internationalisation Options
3264 ## ============================
3265 echo
3266 echo "Internationalisation Options"
3267 echo "============================"
3268
3269 dnl ----------------------
3270 dnl Mule-dependent options
3271 dnl ----------------------
3272
3273 dnl if test "$with_mule" = "yes" && test ! -d "$sxe_srcdir/lisp/mule"; then
3274 dnl     echo "Attempt to Build with Mule without Mule/Lisp"
3275 dnl     echo "Please install the SXEmacs/Mule tarball or"
3276 dnl     echo "rerun configure with --with-mule=no"
3277 dnl     exit 1
3278 dnl fi
3279
3280 if test "$with_file_coding" = "yes" && test "$with_mule" = "no"; then
3281   AC_DEFINE([FILE_CODING], [1], [Description here!])
3282   SXE_ADD_MULE_OBJS(file-coding.o)
3283 fi
3284
3285 if test "$with_mule" = "yes" ; then
3286         SXE_CHECK_MULE
3287
3288 else dnl "$with_mule" = "no"
3289         for feature in xim canna wnn; do
3290                 if eval "test -n \"\$with_${feature}\" -a \
3291                         \"\$with_${feature}\" != no" ; then
3292                         AC_MSG_WARN([--with-${feature} ignored:  Not valid without Mule support])
3293                 fi
3294                 eval "with_${feature}=no"
3295         done
3296 fi dnl with_mule
3297 SXE_SUBST_MULE_OBJS
3298 AM_CONDITIONAL([WITH_MULE], [test "$with_mule" = "yes"])
3299
3300
3301 dnl At this point, we know whether we need the motif lib or not.
3302 if test "$need_motif" = "yes" ; then
3303         SXE_PREPEND([-lXm], [libs_x])
3304         dnl AIX needs the following library for use with Motif
3305         AC_CHECK_LIB([i18n], [layout_object_getvalue])
3306         if test "$ac_cv_lib_i18n_layout_object_getvalue" = "yes"; then
3307                 SXE_PREPEND([-li18n], [libs_x])
3308         fi
3309 fi
3310
3311 dnl getaddrinfo() is borked under hpux11
3312 if test "$ac_cv_func_getaddrinfo" != "no" ; then
3313   case "$opsys" in
3314     hpux11 )
3315       AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
3316       ac_cv_func_getaddrinfo=no
3317       ;;
3318   esac
3319 fi
3320
3321
3322 ## Database Options
3323 ## ================
3324 echo
3325 echo "Database Options"
3326 echo "================"
3327
3328 dnl Database support
3329 dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
3330 dnl On FreeBSD, both DB and DBM are part of libc.
3331 dnl By default, we check for DBM support in libgdbm, then libc, then libdbm.
3332
3333 ## initialise values
3334 have_database_berkdb=no
3335 have_database_gdbm=no
3336 have_database_dbm=no
3337
3338 if test "$with_database_gdbm $with_database_dbm $with_database_berkdb" \
3339    != "no no no"; then
3340         AS_MESSAGE(checking for database support)
3341 fi
3342
3343 dnl Check for ndbm.h, required for either kind of DBM support.
3344 if test "$with_database_gdbm $with_database_dbm" != "no no"; then
3345         SXE_CHECK_NDBM
3346         if test "$sxe_cv_feat_ndbm" = "no"; then
3347                 have_database_gdbm="no"
3348                 have_database_dbm="no"
3349         fi
3350 fi
3351
3352 dnl Check for DBM support in libgdbm or libgdbm_compat.
3353 if test "$with_database_gdbm" != "no"; then
3354         SXE_CHECK_GDBM
3355
3356         if test "$sxe_cv_feat_gdbm" = "yes"; then
3357                 have_database_gdbm="yes"
3358         else
3359                 have_database_gdbm="no"
3360         fi
3361 fi
3362
3363 dnl Check for DBM support in libc and libdbm.
3364 if test "$with_database_dbm" != "no"; then
3365         SXE_CHECK_DBM
3366
3367         if test "$sxe_cv_feat_gdbm" != "yes" -a \
3368                 "$sxe_cv_feat_dbm" = "yes"; then
3369                 have_database_dbm="yes"
3370         else
3371                 have_database_dbm="no"
3372         fi
3373 fi
3374
3375 dnl Check for Berkeley DB.
3376 if test "$with_database_berkdb" != "no"; then
3377         SXE_CHECK_BERKDB
3378
3379         if test "$sxe_cv_feat_berkdb" = "yes"; then
3380                 have_database_berkdb="yes"
3381         else
3382                 have_database_berkdb="no"
3383         fi
3384 fi
3385
3386 if test "$have_database_gdbm $have_database_dbm $have_database_berkdb" \
3387      != "no no no"; then
3388         AC_DEFINE([HAVE_DATABASE], [1], [Description here!])
3389         SXE_ADD_DB_OBJS([database.o])
3390
3391         SXE_CHECK_NDBM_BERKDB_CONFLICT
3392         if test "$sxe_cv_db_ndbm_berkdb_conflict" = "yes"; then
3393                 ## can't do nothing because the way we designed it
3394                 ## is going to conflict at compile time
3395                 have_database_gdbm="no"
3396                 have_database_dbm="no"
3397
3398         elif test "$have_database_gdbm $have_database_dbm" != "no no"; then
3399                 AC_DEFINE([HAVE_DBM], [1], [Description here!])
3400
3401                 ## Also, tell make about the DBM support we detected.
3402                 if test -n "$libdbm"; then
3403                         SXE_PREPEND([$libdbm], [DB_LIBS])
3404                 fi
3405         fi
3406 fi
3407
3408
3409 dnl Autodetect LDAP
3410 if test "$with_ldap" != "no"; then
3411         SXE_CHECK_LDAP
3412 fi
3413 if test "$have_ldap" = "yes"; then
3414         AC_DEFINE([HAVE_LDAP], [1], [Description here!])
3415         SXE_ADD_DB_OBJS(eldap.o)
3416         if test "$have_ldap_des" = "yes" ; then
3417                 SXE_PREPEND(-ldes, DB_LIBS)
3418         fi
3419         if test "$have_ldap_krb" = "yes" ; then
3420                 SXE_PREPEND(-lkrb, DB_LIBS)
3421         fi
3422         if test "$have_ldap_lber" = "yes" ; then
3423                 SXE_PREPEND(-llber, DB_LIBS)
3424         fi
3425         SXE_PREPEND(-lldap, DB_LIBS)
3426
3427         dnl save our values until here
3428         save_LIBS="$LIBS"
3429         LIBS="$DB_LIBS $LIBS"
3430         AC_CHECK_FUNCS(
3431                 [ldap_set_option ldap_get_lderrno ldap_result2error ldap_parse_result])
3432         dnl and restore
3433         LIBS="$save_LIBS"
3434 fi
3435
3436 dnl Autodetect PostgreSQL
3437 if test "x$with_postgresql" != "xno"; then
3438         SXE_CHECK_POSTGRESQL
3439 fi
3440 SXE_SUBST_DB_OBJS
3441
3442
3443 dnl Usage tracking (undocumented and likely unused option)
3444 if test "$usage_tracking" = "yes"; then
3445   AC_DEFINE([USAGE_TRACKING], [1], [Description here!])
3446   SXE_PREPEND(-Bstatic -lut -Bdynamic, LIBS)
3447 fi
3448
3449 dnl Unfortunately, just because we can link doesn't mean we can run.
3450 dnl One of the above link tests may have succeeded but caused resulting
3451 dnl executables to fail to run.  Also any tests using AC_RUN_IFELSE will
3452 dnl have reported incorrect results.
3453 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int c,char *v[]){return 0;}]])],[:],[
3454   echo ""
3455   echo "*** PANIC *** The C compiler can no longer build working executables."
3456   echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
3457   echo "*** PANIC *** The most likely reason for this problem is that configure"
3458   echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
3459   echo "*** PANIC *** found at run time."
3460   echo "*** PANIC ***"
3461   echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
3462   echo "*** PANIC *** On other systems, try telling configure where to find the"
3463   echo "*** PANIC *** shared libraries using the --with-site-runtime-libraries option"
3464   echo "*** PANIC ***"
3465   echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
3466   echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
3467   echo "*** PANIC *** on your system.  Don't do that."
3468   exit 1], [AS_MESSAGE(cannot cross-compile)])
3469
3470 dnl Process support
3471 AC_DEFINE([HAVE_UNIX_PROCESSES], [1], [Description here!])
3472
3473 dnl --------------------------------
3474 dnl Compute SUBST-itutable variables
3475 dnl --------------------------------
3476
3477 dnl We ignore (C|LD)_SWITCH_X_(MACHINE|SYSTEM)
3478 dnl Use SXE_CONSECUTIVE_UNDUP instead of plain assignment statements to remove extraneous blanks
3479 if test "$with_module_support" = "yes"; then
3480         ld_libs_module=
3481 else
3482         SXE_CONSECUTIVE_UNDUP(ld_libs_module, $ldap_libs $postgresql_libs)
3483 fi
3484
3485 SXE_UNDUP(CFLAGS, $CFLAGS)
3486 SXE_UNDUP(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system $CFLAGS $CPPFLAGS)
3487 SXE_UNDUP(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
3488 SXE_UNDUP(c_switch_all, $c_switch_general $c_switch_window_system)
3489 SXE_UNDUP(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
3490 SXE_UNDUP(ld_switch_window_system, $ld_switch_x_site)
3491 SXE_UNDUP(ld_switch_all, $ld_switch_general $ld_switch_window_system)
3492 dnl Since some systems need libs to be restated later, we can't just dedup, we can only safely dedup
3493 dnl consecutive occurrences
3494 SXE_CONSECUTIVE_UNDUP(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
3495 SXE_CONSECUTIVE_UNDUP(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
3496 SXE_CONSECUTIVE_UNDUP(ld_libs_all, $OPENSSL_LIBS $DB_LIBS $ENT_LIBS $MM_LIBS $ld_libs_window_system $ld_libs_general $ld_libs_module)
3497
3498 dnl For no-module builds, make the src dir last
3499 if test "$with_module_support" = "no"; then
3500         SXE_APPEND(src, MAKE_SUBDIR)    dnl is that still important?
3501 fi
3502
3503 EMACS=$sxe_blddir/src/$PROGNAME
3504 AC_SUBST(EMACS)
3505
3506 dnl Compute lists of Makefiles and subdirs
3507 AC_SUBST(SRC_SUBDIR_DEPS)
3508 internal_makefile_list="Makefile.in"
3509 SUBDIR_MAKEFILES=''
3510 test -d lock || mkdir lock
3511 for dir in $MAKE_SUBDIR; do
3512   case "$dir" in */* ) dnl Implement mkdir -p
3513     ( for d in `echo $dir | sed 's:/: :g'` ; do
3514         test -d "$d" || mkdir "$d"; cd "$d"
3515       done ) ;;
3516    * ) test -d "$dir" || mkdir "$dir" ;;
3517   esac
3518   SXE_SPACE(SUBDIR_MAKEFILES, $SUBDIR_MAKEFILES $dir/Makefile $dir/Makefile)
3519   SXE_SPACE(internal_makefile_list, $internal_makefile_list $dir/Makefile.in)
3520 done
3521
3522 AC_SUBST(INSTALL_ARCH_DEP_SUBDIR)
3523 AC_SUBST(MAKE_SUBDIR)
3524 AC_SUBST(MAKE_AM_SUBDIR)
3525 AC_SUBST(SUBDIR_MAKEFILES)
3526
3527 dnl ----------------------------------------------
3528 dnl Create some auxiliary files for developers.
3529 dnl ----------------------------------------------
3530
3531 dnl Create a useful TAGS file
3532 if test -f "$sxe_srcdir/TAGS" -a ! -f "TAGS"; then
3533   test "$extra_verbose" = "yes" && echo "creating TAGS"
3534   echo "\f
3535 $sxe_srcdir/TAGS,include" > "TAGS"
3536 fi
3537
3538 dnl Create top level .sbinit for Sun compilers
3539 if test "$__SUNPRO_C" = "yes"; then
3540   test "$extra_verbose" = "yes" && echo "creating .sbinit"
3541   ( echo "# For use with Sun WorkShop's Source browser."
3542     echo "# See sbquery(1) and sbinit(4) for more information"
3543     for dir in $MAKE_SUBDIR; do echo "import $dir"; done
3544   ) > .sbinit
3545 fi
3546
3547 ### whether to build with profile.o
3548 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3549 int main(int c, char *v[])
3550 {
3551 #ifdef HAVE_SETITIMER
3552         return 1;
3553 #else
3554         return 0;
3555 #endif
3556 }]])], [./conftest; have_setitimer=$?],
3557         [have_setitimer=$?],[have_setitimer=0])
3558 AM_CONDITIONAL([HAVE_SETITIMER], [test "$have_setitimer" = "1"])
3559
3560
3561 dnl There are no more compile tests; remove the core they created.
3562 rm -f core
3563
3564 dnl --------------------------------------------------
3565 dnl Substitute into Makefile, config.h and sxe-paths.h
3566 dnl --------------------------------------------------
3567
3568 dnl what sort of things to edit into Makefile, config.h and sxe-paths.h
3569 dnl configuration here uncanonicalized to avoid exceeding size limits.
3570
3571 AC_SUBST(PROGNAME)
3572 AC_SUBST(MULE)
3573 AC_SUBST(HAVE_LIBFFI)
3574 AC_SUBST(version)
3575 AC_SUBST(VERSION)
3576 AC_SUBST(old_version)
3577 AC_SUBST(inststaticdir)
3578 AC_SUBST(instvardir)
3579 AC_SUBST(instvarsepdir)
3580 AC_SUBST(sxe_srcdir)
3581 AC_SUBST(emodsrcdir)
3582 AC_SUBST(sxe_blddir)
3583 AC_SUBST(emodblddir)
3584 AC_SUBST(bindir)
3585 AC_SUBST(datarootdir)
3586 AC_SUBST(datadir)
3587 AC_SUBST(statedir)
3588 AC_SUBST(libdir)
3589 AC_SUBST(mandir)
3590 AC_SUBST(extra_includes)
3591
3592 AC_SUBST(prefix)
3593 AC_SUBST(PREFIX_USER_DEFINED)
3594 dnl Yo, Stephen Bourne!  I want to marry you!
3595 PREFIX=$prefix
3596 while true; do
3597   case "$PREFIX" in
3598     *\$* ) eval "PREFIX=\"${PREFIX}\"" ;;
3599     *) break ;;
3600   esac
3601 done
3602 AC_SUBST(PREFIX)
3603
3604 AC_SUBST(exec_prefix)
3605 AC_SUBST(EXEC_PREFIX_USER_DEFINED)
3606 EXEC_PREFIX=$exec_prefix
3607 while true; do
3608   case "$EXEC_PREFIX" in
3609     *\$* ) eval "EXEC_PREFIX=\"${EXEC_PREFIX}\"" ;;
3610     *) break ;;
3611   esac
3612 done
3613 AC_SUBST(EXEC_PREFIX)
3614
3615 AC_SUBST(infodir)
3616 AC_SUBST(INFODIR_USER_DEFINED)
3617 INFODIR=$infodir
3618 while true; do
3619   case "$INFODIR" in
3620     *\$* ) eval "INFODIR=\"${INFODIR}\"" ;;
3621     *) break ;;
3622   esac
3623 done
3624 AC_SUBST(INFODIR)
3625
3626 AC_SUBST(infopath,$with_infopath)
3627 AC_SUBST(INFOPATH_USER_DEFINED)
3628 INFOPATH=$with_infopath
3629 while true; do
3630   case "$INFOPATH" in
3631     *\$* ) eval "INFOPATH=\"${INFOPATH}\"" ;;
3632     *) break ;;
3633   esac
3634 done
3635 AC_SUBST(INFOPATH)
3636
3637 if test -z "$with_module_path"; then
3638     with_module_path="~/.sxemacs/${configuration}/modules:${libdir}/${PROGNAME}/${configuration}/site-modules:${libdir}/${instvardir}/${configuration}/modules"
3639 fi
3640
3641 AC_SUBST(module_path,$with_module_path)
3642 AC_SUBST(MODULE_PATH_USER_DEFINED)
3643 MODULE_PATH=$with_module_path
3644 while true; do
3645   case "$MODULE_PATH" in
3646     *\$* ) eval "MODULE_PATH=\"${MODULE_PATH}\"" ;;
3647     *) break ;;
3648   esac
3649 done
3650 AC_SUBST(MODULE_PATH)
3651
3652 if test -z "$with_package_prefix" ; then
3653   with_package_prefix=${prefix}/share/sxemacs
3654 fi
3655
3656 if test -z "$with_package_path" && test -n "$with_package_prefix" ; then
3657   if test "$with_mule" = "yes" ; then
3658     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages:~/.sxemacs/mule-packages"
3659     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages:${with_package_prefix}/mule-packages"
3660   else
3661     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages"
3662     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages"
3663   fi
3664 fi
3665
3666 AC_SUBST(package_path,$with_package_path)
3667 AC_SUBST(PACKAGE_PATH_USER_DEFINED)
3668 PACKAGE_PATH=$with_package_path
3669 while true; do
3670   case "$PACKAGE_PATH" in
3671     *\$* ) eval "PACKAGE_PATH=\"${PACKAGE_PATH}\"" ;;
3672     *) break ;;
3673   esac
3674 done
3675 AC_SUBST(PACKAGE_PATH)
3676
3677 AC_SUBST(lispdir, $with_lispdir)
3678 AC_SUBST(LISPDIR_USER_DEFINED)
3679 LISPDIR=$with_lispdir
3680 while true; do
3681   case "$LISPDIR" in
3682     *\$* ) eval "LISPDIR=\"${LISPDIR}\"" ;;
3683     *) break ;;
3684   esac
3685 done
3686 AC_SUBST(LISPDIR)
3687
3688 AC_SUBST(moduledir,$with_moduledir)
3689 AC_SUBST(MODULEDIR_USER_DEFINED)
3690 MODULEDIR=$with_moduledir
3691 while true; do
3692   case "$MODULEDIR" in
3693     *\$* ) eval "MODULEDIR=\"${MODULEDIR}\"" ;;
3694     *) break ;;
3695   esac
3696 done
3697 AC_SUBST(MODULEDIR)
3698
3699 AC_SUBST([sitelispdir], [$with_sitelispdir])
3700 AC_SUBST([SITELISPDIR_USER_DEFINED])
3701 SITELISPDIR=$sitelispdir
3702 while true; do
3703   case "$SITELISPDIR" in
3704     *\$* ) eval "SITELISPDIR=\"${SITELISPDIR}\"" ;;
3705     *) break ;;
3706   esac
3707 done
3708 AC_SUBST(SITELISPDIR)
3709
3710 AC_SUBST(sitemoduledir,$with_sitemoduledir)
3711 AC_SUBST(SITEMODULEDIR_USER_DEFINED)
3712 SITEMODULEDIR=$with_sitemoduledir
3713 while true; do
3714   case "$SITEMODULEDIR" in
3715     *\$* ) eval "SITEMODULEDIR=\"${SITEMODULEDIR}\"" ;;
3716     *) break ;;
3717   esac
3718 done
3719 AC_SUBST(SITEMODULEDIR)
3720
3721 AC_SUBST(etcdir,$with_etcdir)
3722 AC_SUBST(ETCDIR_USER_DEFINED)
3723 ETCDIR=$with_etcdir
3724 while true; do
3725   case "$ETCDIR" in
3726     *\$* ) eval "ETCDIR=\"${ETCDIR}\"" ;;
3727     *) break ;;
3728   esac
3729 done
3730 AC_SUBST(ETCDIR)
3731
3732 AC_SUBST(archlibdir,$with_archlibdir)
3733 AC_SUBST(ARCHLIBDIR_USER_DEFINED)
3734 ARCHLIBDIR=$with_archlibdir
3735 while true; do
3736   case "$ARCHLIBDIR" in
3737     *\$* ) eval "ARCHLIBDIR=\"${ARCHLIBDIR}\"" ;;
3738     *) break ;;
3739   esac
3740 done
3741 AC_SUBST(ARCHLIBDIR)
3742
3743 AC_SUBST(docdir,$with_docdir)
3744 AC_SUBST(DOCDIR_USER_DEFINED)
3745 DOCDIR=$with_docdir
3746 while true; do
3747   case "$DOCDIR" in
3748     *\$* ) eval "DOCDIR=\"${DOCDIR}\"" ;;
3749     *) break ;;
3750   esac
3751 done
3752 AC_SUBST(DOCDIR)
3753
3754 AC_SUBST(docdir)
3755 AC_SUBST(bitmapdir)
3756
3757 dnl The following flags combine all the information from:
3758 dnl - command line options (user always gets priority)
3759 dnl - user environment variables
3760 dnl - determined by configure
3761 dnl - the s&m header files (required for ellcc)
3762 AC_SUBST(machfile)
3763 AC_SUBST(opsysfile)
3764 AC_SUBST(c_switch_general)
3765 AC_SUBST(c_switch_window_system)
3766 AC_SUBST(c_switch_all)
3767 AC_SUBST(ld_switch_general)
3768 AC_SUBST(ld_switch_window_system)
3769 AC_SUBST(ld_switch_all)
3770 AC_SUBST(ld_libs_general)
3771 AC_SUBST(ld_libs_window_system)
3772 AC_SUBST(ld_libs_all)
3773 AC_SUBST(CFLAGS)
3774 AC_SUBST(CPPFLAGS)
3775 AC_SUBST(LDFLAGS)
3776 RECURSIVE_MAKE_ARGS="\$(MFLAGS) CC='\$(CC)' CFLAGS='\$(CFLAGS)' LDFLAGS='\$(LDFLAGS)' CPPFLAGS='\$(CPPFLAGS)'"
3777 if test -z "$MAKE"; then
3778         MAKE=make
3779 fi
3780 case `$MAKE --version 2>/dev/null` in
3781    GNU\ Make*)
3782         AM_MAKEFLAGS="-w $AM_MAKEFLAGS"
3783         RECURSIVE_MAKE_ARGS="-w $RECURSIVE_MAKE_ARGS"
3784    ;;
3785    *)
3786         echo ===================================
3787         echo $MAKE does not seem to be GNU Make
3788         echo If you find makefile errors please try using GNU Make as some
3789         echo autoconf constructs may not be proper for your make variant
3790         echo ===================================
3791    ;;
3792 esac
3793 AC_SUBST(RECURSIVE_MAKE_ARGS)
3794 AC_SUBST(AM_MAKEFLAGS)
3795
3796 AC_SUBST(sound_cflags)
3797 AC_SUBST(AR)
3798 AC_SUBST(RANLIB)
3799
3800 AC_SUBST(SXEMACS_CC)
3801 AC_SUBST(SXE_CFLAGS)
3802
3803 SXE_SUBST_CORE_OBJS()
3804
3805 SXE_SUBST_CRUFT_OBJS
3806
3807 dnl The default is yes
3808 if test "$with_prefix" = "yes"; then
3809   AC_DEFINE([PREFIX_USER_DEFINED], [1], [Description here!])
3810 fi
3811
3812 dnl Should this stay even though --with-site-modules is no longer an
3813 dnl option?  It is used in emacs.c for when the -no-site-modules cmd line
3814 dnl opt is used.  That cmd line opt definitely has usefullness.  Sebastian?
3815 dnl --SY.
3816 dnl The default is yes
3817 if test "$with_site_modules" = "no"; then
3818   AC_DEFINE([INHIBIT_SITE_MODULES], [1], [Description here!])
3819 fi
3820
3821 dnl SXE_SPACE(ac_configure_args, $ac_configure_args)
3822 AC_DEFINE_UNQUOTED([EMACS_CONFIGURATION], ["$ac_cv_build"], [Description here!])
3823 AC_DEFINE_UNQUOTED([EMACS_CONFIG_OPTIONS], ["$ac_configure_args"], [Description here!])
3824
3825 AC_SUBST([srcdir_equals_blddir_p])
3826
3827 dnl Following are deprecated
3828 null_string=""
3829 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE], [$null_string], [Description here!])
3830 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE_AUX], [$null_string], [Description here!])
3831 AC_DEFINE_UNQUOTED([C_SWITCH_X_SITE], [$null_string], [Description here!])
3832 AC_DEFINE_UNQUOTED([LD_SWITCH_SITE], [$null_string], [Description here!])
3833 AC_DEFINE_UNQUOTED([C_SWITCH_SITE], [$null_string], [Description here!])
3834
3835 dnl Note: as a general rule, *only* define things here that are not
3836 dnl autodetected.  For things that are autodetected, define them
3837 dnl at the point where the autodetection occurs or would occur,
3838 dnl so that the user gets immediate feedback on the results of the
3839 dnl autodetection.
3840
3841 if test "$GNU_MALLOC" = "yes"; then
3842         AC_DEFINE([GNU_MALLOC], [1], [Description here!])
3843         SXE_ADD_MEMALLOC_OBJS(vm-limit.o)
3844         if test "$doug_lea_malloc" != "yes"; then
3845                 SXE_ADD_MEMALLOC_OBJS(gmalloc.o)
3846         fi
3847         if test "$with_error_checking_malloc" = "yes"; then
3848                 dnl SXE_ADD_MEMALLOC_OBJS(free-hook.o)
3849                 :
3850         fi
3851 elif test "$with_system_malloc" = "yes" -o "$system_malloc" = "yes"; then
3852         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3853         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3854 elif test "$with_debug_malloc"  = "yes"; then
3855         AC_DEFINE([USE_DEBUG_MALLOC], [1], [Description here!])
3856         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3857         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3858         SXE_APPEND(-ldmalloc, MEMALLOC_LIBS)
3859 else
3860         SXE_ADD_MEMALLOC_OBJS([malloc.o])
3861 fi
3862 test "$GCC" = "yes" && \
3863         AC_DEFINE([USE_GCC], [1], [Description here!])
3864 test "$with_external_widget" = "yes" && \
3865         AC_DEFINE([EXTERNAL_WIDGET], [1], [Description here!])
3866 test "$with_quick_build" = "yes" && \
3867         AC_DEFINE([QUICK_BUILD], [1], [Description here!])
3868 if test "$with_purify" = "yes"; then
3869         AC_DEFINE([PURIFY], [1], [Description here!])
3870         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3871 fi
3872 if test "$with_quantify" = "yes"; then
3873         AC_DEFINE([QUANTIFY], [1], [Description here!])
3874         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3875 fi
3876 test "$with_pop" = "yes" && \
3877         AC_DEFINE([MAIL_USE_POP], [1], [Description here!])
3878 test "$with_hesiod" = "yes" && \
3879         AC_DEFINE([HESIOD], [1], [Description here!])
3880 test "$with_regex_malloc" = "yes" && \
3881         AC_DEFINE([REGEX_MALLOC], [1], [Description here!])
3882 test "$with_ipv6_cname" = "yes" && \
3883         AC_DEFINE([IPV6_CANONICALIZE], [1], [Description here!])
3884 if test "$with_pdump" = "yes"; then
3885         AC_DEFINE([PDUMP], [1], [Description here!])    dnl deprecated!
3886         AC_DEFINE([WITH_PDUMP], [1], [Description here!])
3887 fi
3888
3889 AM_CONDITIONAL([WITH_EXTW], [test "$with_external_widget" = "yes"])
3890 AM_CONDITIONAL([WITH_PDUMP], [test "$with_pdump" = "yes"])
3891 AC_SUBST([MEMALLOC_LIBS])
3892 SXE_SUBST_MEMALLOC_OBJS
3893
3894
3895 AC_DEFINE_UNQUOTED([USER_FULL_NAME], [pw->pw_gecos], [dnl
3896         USER_FULL_NAME returns a string that is the user's full name.
3897         It can assume that the variable `pw' points to the password file
3898         entry for this user.
3899
3900         At some sites, the pw_gecos field contains the user's full name.
3901         If neither this nor any other field contains the right thing, use
3902         pw_name, giving the user's login name, since that is better than
3903         nothing.])
3904
3905 AC_DEFINE([SIGTYPE], [RETSIGTYPE], [SIGTYPE is the macro we actually use])
3906 AC_DEFINE([SIGRETURN], [return], [SIGTYPE is the macro we actually use])
3907
3908 ## finally, redefine VERSION; this has to be done after all tests on C sources
3909 ## were run because otherwise the symbol VERSION would be defined twice and
3910 ## the C compiler would warn, sigh, and due to this stupid -Werror flag we ...
3911 ## tadadada ... will fail to run _any_ C test successfully
3912 AC_DEFINE_UNQUOTED([VERSION], ["$version"], [Version of SXEmacs.])
3913
3914 AH_TOP([
3915 #ifndef INCLUDED_sxe_config_h_
3916 #define INCLUDED_sxe_config_h_
3917
3918 #ifndef NOT_C_CODE
3919 #if defined (__GNUC__)
3920 #define alloca __builtin_alloca
3921 #elif defined __DECC
3922 #include <alloca.h>
3923 #pragma intrinsic(alloca)
3924 #elif defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3925 /* defer #include to end of file */
3926 #elif defined HAVE_ALLOCA_H
3927 #include <alloca.h>
3928 #elif defined(_AIX)
3929 #pragma alloca
3930 #elif ! defined (alloca)
3931 void *alloca();
3932 #endif
3933 #endif  /* C code */
3934 ])
3935
3936 AH_BOTTOM([
3937 /* The configuration script may define `opsysfile' to be the name of
3938    the s/...h file that describes your operating system.
3939    The file name is chosen based on the configuration name. */
3940
3941 #ifdef config_opsysfile
3942 #include config_opsysfile
3943 #endif
3944
3945 /* The configuration script may define `machfile' to be the name of
3946    the m/...h file that describes the machine you are using.
3947    The file name is chosen based on the configuration name. */
3948
3949 #ifdef config_machfile
3950 #include config_machfile
3951 #endif
3952
3953 /* basic system calls */
3954 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3955 # define ENCAPSULATE_READ
3956 # define ENCAPSULATE_WRITE
3957 #endif
3958 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3959 # define ENCAPSULATE_OPEN
3960 #endif
3961 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3962 # define ENCAPSULATE_CLOSE
3963 #endif
3964 /* stdio calls */
3965 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3966 # define ENCAPSULATE_FREAD
3967 # define ENCAPSULATE_FWRITE
3968 #endif
3969 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3970 # define ENCAPSULATE_FOPEN
3971 #endif
3972 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3973 # define ENCAPSULATE_FCLOSE
3974 #endif
3975
3976 #if defined (HAVE_SOCKS) && !defined (DO_NOT_SOCKSIFY)
3977 #define accept Raccept
3978 #define bind Rbind
3979 #define connect Rconnect
3980 #define getsockname Rgetsockname
3981 #define listen Rlisten
3982 #endif                          /* HAVE_SOCKS && !DO_NOT_SOCKSIFY */
3983
3984 #ifndef NOT_C_CODE              /* Actually means C or C++ */
3985 # if defined (__cplusplus)
3986 /* Avoid C++ keywords used as ordinary C identifiers */
3987 #  define class c_class
3988 #  define new   c_new
3989 #  define this  c_this
3990 #  define catch c_catch
3991 #  define EXTERN_C extern "C"
3992 # else                          /* C code */
3993 #  define EXTERN_C extern
3994 # endif
3995 #endif                          /* C or C++ */
3996 /* Strictly speaking, only int or unsigned int are valid types in a
3997    bitfield.  In practice, we would like to use enums as bitfields.
3998    The following should just result in warning avoidance:
3999    warning: nonportable bit-field type */
4000 #ifdef __GNUC__
4001 #define enum_field(enumeration_type) enum enumeration_type
4002 #else
4003 #define enum_field(enumeration_type) unsigned int
4004 #endif
4005
4006 #ifndef NOT_C_CODE
4007 #if defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
4008 /* icc's alloca.h pulls in <features.h>,
4009    but that must be done after _GNU_SOURCE and friends are defined */
4010 #include <alloca.h>
4011 #endif
4012 #endif                          /* C code */
4013
4014 #endif  /* INCLUDED_sxe_config_h_ */
4015 ])
4016
4017
4018 dnl -------------------------------------------------------------------------
4019 dnl -------------------------------
4020 dnl Report on what we decided to do
4021 dnl -------------------------------
4022
4023 dnl #### We should tag this as the _build_ environment.
4024 dnl Before doing that, though, must check if tools care about line 1.
4025
4026 (
4027 dnl /etc/osversion is on SONY NEWS-OS
4028 if test -f /etc/osversion; then dnl SONY NEWS-OS
4029   echo "osversion: `cat /etc/osversion`"
4030 else
4031   echo "uname -a: `uname -a`"
4032 fi
4033 echo ""
4034 echo "$0 $ac_configure_args"
4035 ) > Installation
4036
4037 if test ! -z ${emacs_beta_version} ; then
4038   if test -z "${emacs_is_beta}" ; then
4039         sxemacs_betaname=".${emacs_beta_version}"
4040   else
4041         sxemacs_betaname="-b${emacs_beta_version}"
4042   fi
4043 else
4044   sxemacs_betaname=""
4045 fi
4046
4047 dnl -----------------
4048 dnl Talking LFSL now!
4049 dnl -----------------
4050
4051 dnl -----------------------------------
4052 dnl Now generate config.h and Makefiles
4053 dnl -----------------------------------
4054
4055 dnl This has to be called in order for this variable to get into config.status
4056 AC_SUBST([internal_makefile_list])
4057 # Remove any trailing slashes in these variables.
4058 if test -n "$prefix"; then
4059         prefix=`echo '' "$prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4060 fi
4061 if test -n "$exec_prefix"; then
4062         exec_prefix=`echo '' "$exec_prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4063 fi
4064
4065 make_ifeq="ifeq"
4066 make_endif="endif"
4067 make_else="else"
4068 AC_SUBST([make_ifeq])
4069 AC_SUBST([make_endif])
4070 AC_SUBST([make_else])
4071
4072 dnl Coupla things needed for subst'ing into the sxemacs.desktop file
4073 ABS_PROGNAME=${prefix}/bin/${PROGNAME}
4074 ABS_ETCDIR=${ETCDIR}
4075 SXE_CANONICALISE_PATH([ABS_PROGNAME])
4076 SXE_CANONICALISE_PATH([ABS_ETCDIR])
4077 AC_SUBST([ABS_PROGNAME])
4078 AC_SUBST([ABS_ETCDIR])
4079
4080 AC_CONFIG_FILES([src/sxe-paths.h])
4081 AC_CONFIG_FILES([Makefile])
4082 AC_CONFIG_FILES([lib-src/Makefile])
4083 AC_CONFIG_FILES([src/Makefile])
4084 AC_CONFIG_FILES([src/ui/Makefile])
4085 AC_CONFIG_FILES([src/ui/TTY/Makefile])
4086 AC_CONFIG_FILES([src/ui/lwlib/Makefile])
4087 AC_CONFIG_FILES([src/ui/X11/Makefile])
4088 AC_CONFIG_FILES([src/events/Makefile])
4089 AC_CONFIG_FILES([src/ent/Makefile])
4090 AC_CONFIG_FILES([src/media/Makefile])
4091 AC_CONFIG_FILES([src/mem/Makefile])
4092 AC_CONFIG_FILES([src/database/Makefile])
4093 AC_CONFIG_FILES([src/mule/Makefile])
4094 AC_CONFIG_FILES([src/.gdbinit:src/gdbinit])
4095 AC_CONFIG_FILES([src/.dbxrc:src/dbxrc])
4096 AC_CONFIG_FILES([lisp/Makefile])
4097 AC_CONFIG_FILES([info/Makefile])
4098 AC_CONFIG_FILES([tests/Makefile])
4099 AC_CONFIG_FILES([modules/Makefile])
4100 AC_CONFIG_FILES([etc/Makefile])
4101 AC_CONFIG_FILES([etc/sxemacs.desktop])
4102 AC_CONFIG_FILES([sxemacs.pc])
4103 AC_CONFIG_LINKS([.sxemacs.source.tree:])
4104
4105 AC_OUTPUT
4106 SXE_SUMMARY