Small configure.ac fix
[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 the user's home directory, 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         dnl OG_MULTIARG_ITEM([dbus], [dbus], [D-BUS bindings])
338
339 OG_MULTIARG_WITH([static-modules], [dnl
340         AS_HELP_STRING([--with-static-modules], [
341                 Which modules to compile as archives to link their
342                 functionality statically into the SXEmacs binary.])
343         AS_HELP_STRING([], [
344                 You should regard this as a proof of concept.])],
345         [none], [NONE], [dnl
346         OG_MULTIARG_ITEM([ase], [ase], [algebraic structures])
347         OG_MULTIARG_ITEM([cl], [cl], [fast Common Lisp implementation])
348 ])
349         dnl OG_MULTIARG_ITEM([dbus], [dbus], [D-BUS bindings])
350
351 OG_MULTIARG_WITH([ent], [dnl
352         AS_HELP_STRING([--with-ent], [
353                 Compile in support for enhanced number types,
354                 using internal and external libraries.])],
355         [none int fpfloat indef gmp], [int fpfloat indef gmp], [dnl
356         OG_MULTIARG_ITEM([int], [int], [native integer arithmetics])
357         OG_MULTIARG_ITEM([fpfloat], [fpfloat], [native fixed precision floats])
358         OG_MULTIARG_ITEM([indef], [indef], [native abstract indefinites])
359         OG_MULTIARG_ITEM([gmp], [GMP], [GNU multiprecision library])
360         OG_MULTIARG_ITEM([mpfr], [MPFR], [Multiprecision Floats with correct Rounding])
361         OG_MULTIARG_ITEM([mpc], [MPC], [Multiprecision Complex numbers (C/R)])
362         OG_MULTIARG_ITEM([pseug], [pseudoG], [native Gaussian Numbers (Z+Z)])
363         OG_MULTIARG_ITEM([pseuc], [pseudoC], [native Complex Numbers (C/R)])
364         OG_MULTIARG_ITEM([quatern], [Quaternions], [native Quaternions (Z+Z+Z+Z)])
365         OG_MULTIARG_ITEM([ecm], [ECM], [factorisations per Elliptic Curve Method])
366         OG_MULTIARG_MUTEX([mpz], [Arbitrary precision integers], [gmp mp])
367         OG_MULTIARG_MUTEX([complex], [Complex numbers as in C/R], [mpc pseuc])
368 ])
369
370 OG_MULTIARG_WITH([ase], [dnl
371         AS_HELP_STRING([--with-ase], [
372                 Compile in support for algebraic structures based on ENT,
373                 using internal and external libraries.])],
374         [none], [none], [dnl
375         OG_MULTIARG_ITEM([cart], [cartesian], [Cartesian Products of ENT and ASE objects])
376         OG_MULTIARG_ITEM([dig], [digraph], [Directed 2-ary Graphs with Colours])
377         OG_MULTIARG_ITEM([intv], [interval], [Intervals of comparable or normed ENT and ASE objects])
378         OG_MULTIARG_ITEM([metric], [metric], [Metric Spaces])
379         OG_MULTIARG_ITEM([nbhood], [neighbourhood], [Neighbourhoods of comparable or normed ENT and ASE objects])
380         OG_MULTIARG_ITEM([perm], [permutation], [Permutations])
381         OG_MULTIARG_ITEM([resclass], [resclass], [Residue Class Rings and Classes])
382 ])
383
384 OG_ARG_WITH([compre],
385         AS_HELP_STRING([--with-compre],[
386                 Provide exhaustive caching of compiled regexps. This will
387                 mean that frequently used regexps will be faster to use
388                 since the compile step will not be needed after first use.]),
389         [yes], [By default do cache compiled regexps.])
390
391 OG_MULTIARG_WITH([experimental-features], [dnl
392         AS_HELP_STRING([--with-experimental-features], [
393                 Activate experimental code, that is code which is
394                 considered useful but whose effects in conjunction with
395                 the variety of elisp projects cannot be foreseen.])
396         AS_HELP_STRING([], [
397                 During the beta phase of SXEmacs all experimental code
398                 will be unconditionally enabled.  However, if you plan
399                 to use this SXEmacs in a production environment you
400                 can switch off some portions.])],
401         [all nobdwgc], [ALL but bdwgc], [dnl
402         OG_MULTIARG_ITEM([bdwgc], [bdwgc], [the Boehm-Demers-Weiser collector])
403         OG_MULTIARG_ITEM([asyneq], [asyneq], [asynchronous event queues])
404 ])
405         dnl stop that pom stuff
406         dnl OG_MULTIARG_ITEM([pom], [pom], [thread-safe objects])
407
408 OG_ARG_WITH([event-driver],
409         AS_HELP_STRING([--with-event-driver], [
410                 Which event routines to use.
411                 Events control the way how external `sources' are
412                 incorporated into SXEmacs.  Sources hereby are user inputs,
413                 such as key strokes, mouse moves, pedalling, slapping the
414                 monitor, etc.; but there are manifold further sources, such as
415                 process signals, data on a socket, focussing an X window,
416                 lapsing a timeout, and so forth.])
417 AS_HELP_STRING([], [
418                 An event driver can cope with all (or most) of these in a
419                 uniform and abstract way.  SXEmacs can either be driven
420                 using its built-in event handlers, or using one of the
421                 external systems.]),
422         [auto], [Autodetect], [auto built-in libevent liboop glib])
423
424
425 dnl Debugging Options
426 dnl ================
427 OG_OPTION_GROUP(Debugging Options)
428
429 OG_ARG_WITH([debug],
430         AS_HELP_STRING([--with-debug],
431                 [Compile with extra debugging code.
432                 This will turn on: --with-assertions
433                 and --with-memory-usage-stats.]),
434         [yes], [YES for beta; NO for release])
435
436 OG_ARG_WITH([memory-usage-stats],
437         AS_HELP_STRING([--with-memory-usage-stats],
438                 [Compile with support for statistics about memory usage at runtime.]),
439         [yes], [YES for beta])
440
441 OG_MULTIARG_WITH([error-checking], [dnl
442         AS_HELP_STRING([--with-error-checking=TYPE], [
443                 Compile with internal error-checking added.])
444         AS_HELP_STRING([], [
445                 WARNING: Causes noticeable loss of speed!])],
446         [all], [ALL for beta; NONE otherwise], [dnl
447         OG_MULTIARG_ITEM([extents], [extents], [checks on extents])
448         OG_MULTIARG_ITEM([types], [types], [checks on types])
449         OG_MULTIARG_ITEM([gc], [gc], [checks on garbage collection])
450         OG_MULTIARG_ITEM([malloc], [malloc], [checks on memory allocation])
451         OG_MULTIARG_ITEM([byte_code], [byte_code], [checks on byte compiled code])
452         OG_MULTIARG_ITEM([bufpos], [bufpos], [checks on buffer position])
453         OG_MULTIARG_ITEM([glyphs], [glyphs], [checks on glyph data])
454         OG_MULTIARG_ITEM([stack], [stack], [checks on stack barriers])
455         OG_MULTIARG_ITEM([malldbg], [malldbg], [malloc debugging code])
456 ])
457
458 OG_ARG_WITH([purify],
459         AS_HELP_STRING([--with-purify],
460                 [Add support for memory debugging using Purify.]),
461         [no], [NO])
462
463 OG_ARG_WITH([quantify],
464         AS_HELP_STRING([--with-quantify],
465                 [Add support for performance debugging using Quantify.]),
466         [no], [NO])
467
468
469 dnl Window System Features
470 dnl ======================
471 OG_OPTION_GROUP(Window System Features)
472
473 OG_ARG_WITH([toolbars],
474         AS_HELP_STRING([--with-toolbars],
475                 [Compile in toolbar support.]),
476         [yes], [YES])
477
478 OG_ARG_WITH([external-widget],
479         AS_HELP_STRING([--with-external-widget],
480                 [Enable the "external widget" interface,
481                 which allows a SXEmacs frame to appear as a widget in
482                 another application.
483                 To date, we haven't heard of anyone who has actually done this.
484                 Consider this EXPERIMENTAL.]),
485         [no], [NO])
486
487 OG_ARG_WITH([menubars],
488         AS_HELP_STRING([--with-menubars=TYPE],
489                 [Type of menubars to use.  The Lucid menubars emulate
490                 Motif (mostly) but are faster.]),
491         [lucid], [Lucid], [lucid no])
492
493 OG_ARG_WITH([scrollbars],
494         AS_HELP_STRING([--with-scrollbars=TYPE],
495                 [Type of scrollbars to use.
496                 *WARNING*  The Motif scrollbars are currently broken.]),
497         [lucid], [Lucid], [lucid motif athena no])
498
499 OG_ARG_WITH([dialogs],
500         AS_HELP_STRING([--with-dialogs=TYPE],
501                 [Type of dialog boxes to use.  Athena dialogs will
502                  be used if Athena can be found.]),
503         [athena], [], [athena motif no])
504
505 OG_ARG_WITH([widgets],
506         AS_HELP_STRING([--with-widgets=TYPE],
507                 [Type of native widgets to use.  Athena widgets will
508                 be used if Athena can be found.]),
509         [athena], [], [athena motif no])
510
511 OG_ARG_WITH([athena],
512         AS_HELP_STRING([--with-athena=TYPE],
513                 [Type of Athena widgets to use.]),
514         [auto], [Autodetect], [auto xaw 3d next 95 xpm no])
515
516 OG_ARG_WITH([xim],
517         AS_HELP_STRING([--with-xim],
518                 [Type of Mule input method to use.]),
519         [auto], [Autodetect], [yes no xlib motif])
520
521 OG_ARG_WITH([wmcommand],
522         AS_HELP_STRING([--with-wmcommand],
523                 [Compile with realized leader window which will
524                 keep the WM_COMMAND property.]),
525         [yes], [YES])
526
527 OG_ARG_WITH([xmu],
528         AS_HELP_STRING([--with-xmu],
529                 [For those unfortunates whose vendors don't ship Xmu.]),
530         [auto], [Autodetect])
531
532 OG_ARG_WITH([xfs],
533         AS_HELP_STRING([--with-xfs],
534                 [Compile with XFontSet support for internationalized
535                 menubar.  Incompatible with `--with-xim=motif'.
536                 `--with-menubars=lucid' (the default) is desirable.]),
537         [no], [NO])
538
539 dnl TTY Options
540 dnl ================
541 OG_OPTION_GROUP(TTY options)
542
543 OG_ARG_WITH([tty],
544         AS_HELP_STRING([--with-tty],
545                 [Add support for ttys.]),
546         [auto], [Autodetect])
547
548 OG_ARG_WITH([ncurses],
549         AS_HELP_STRING([--with-ncurses],
550                 [Use the ncurses library for tty support.]),
551         [auto], [Autodetect])
552
553 OG_ARG_WITH([curses],
554         AS_HELP_STRING([--with-curses],
555                 [Use the curses library for tty support.]),
556         [auto], [Autodetect])
557
558 OG_ARG_WITH([terminfo],
559         AS_HELP_STRING([--with-terminfo],
560                 [Use the terminfo library for tty support.]),
561         [auto], [Autodetect])
562
563 OG_ARG_WITH([tinfo],
564         AS_HELP_STRING([--with-tinfo],
565                 [Use the ncurses tinfo library for tty support.]),
566         [auto], [Autodetect])
567
568 OG_ARG_WITH([termlib],
569         AS_HELP_STRING([--with-termlib],
570                 [Use the termlib library for tty support.]),
571         [auto], [Autodetect])
572
573 OG_ARG_WITH([termcap],
574         AS_HELP_STRING([--with-termcap],
575                 [Use the termcap library for tty support.]),
576         [auto], [Autodetect])
577
578 OG_ARG_WITH([builtin-tty],
579         AS_HELP_STRING([--with-builtin-tty],
580                 [Use builtin termcap like code. LEGACY CODE. Please consider
581                 installing ncurses. Requires /etc/termcap or TERMCAP
582                 environment variable to work.]),
583         [no], [No])
584
585
586 OG_ARG_WITH([gpm],
587         AS_HELP_STRING([--with-gpm],
588                 [Compile in GPM mouse support for ttys.]),
589         [auto], [Autodetect])
590
591
592 dnl Database Options
593 dnl ================
594 OG_OPTION_GROUP(Database options)
595
596 OG_MULTIARG_WITH([database], [dnl
597         AS_HELP_STRING([--with-database=TYPE],
598                 [Compile with database support.])],
599         [auto], [Autodetect], [dnl
600         OG_MULTIARG_ITEM([berkdb], [berkdb], [Berkeley DB support])
601         OG_MULTIARG_ITEM([dbm], [dbm], [DBM database support])
602         OG_MULTIARG_ITEM([gdbm], [gdbm], [GNU DBM support])
603 ])
604
605 OG_ARG_WITH([ldap],
606         AS_HELP_STRING([--with-ldap],
607                 [Compile with support for the LDAP protocol.]),
608         [no], [NO])
609
610 OG_ARG_WITH([postgresql],
611         AS_HELP_STRING([--with-postgresql],
612                 [Compile with support for the PostgreSQL RDBMS.]),
613         [yes], [Autodetect])
614
615
616 dnl Multimedia Options
617 dnl ==================
618 OG_OPTION_GROUP(Multimedia options)
619
620 OG_MULTIARG_WITH([image], [dnl
621         AS_HELP_STRING([--with-image=TYPE],
622                 [Compile with image support.])],
623         [auto], [Autodetect all image support], [dnl
624         OG_MULTIARG_ITEM([gif], [GIF], [GIF image format])
625         OG_MULTIARG_ITEM([xpm], [XPM], [X PixMap image format])
626         OG_MULTIARG_ITEM([png], [PNG], [Portable Network Graphic format])
627         OG_MULTIARG_ITEM([jpeg], [JPEG], [jpeg image format])
628         OG_MULTIARG_ITEM([tiff], [TIFF], [TIFF image format])
629         OG_MULTIARG_ITEM([xface], [xface], [base64 encoded xbm])
630 ])
631
632 OG_MULTIARG_WITH([sound], [dnl
633         AS_HELP_STRING([--with-sound=TYPE],
634                 [Compile with sound support.])],
635         [auto], [Autodetect all sound support], [dnl
636         OG_MULTIARG_ITEM([alsa], [ALSA], [kernel-based linux sound standard])
637         OG_MULTIARG_ITEM([ao], [ao], [generic audio output layer])
638         OG_MULTIARG_ITEM([esd], [ESD], [Enlightenment Sound Daemon])
639         OG_MULTIARG_ITEM([jack], [Jack], [a low-latency audio server])
640         OG_MULTIARG_ITEM([nas], [NAS], [Network Audio System])
641         OG_MULTIARG_ITEM([oss], [OSS], [Open Sound System])
642         OG_MULTIARG_ITEM([pulse], [PulseAudio], [PulseAudio Sound Server])
643 ])
644
645 OG_MULTIARG_WITH([media], [dnl
646         AS_HELP_STRING([--with-media=TYPE],
647                 [Compile with media stream support.])],
648         [auto], [Autodetect all media stream support libraries], [dnl
649         OG_MULTIARG_ITEM([ffmpeg], [FFmpeg], [media streams handled by ffmpeg])
650         OG_MULTIARG_ITEM([internal], [internal], [media streams handled internally])
651         OG_MULTIARG_ITEM([mad], [Mad], [media streams handled by mad])
652         OG_MULTIARG_ITEM([sndfile], [sndfile], [media streams handled by sndfile])
653         OG_MULTIARG_ITEM([sox], [SoX], [media streams handled by sox])
654         OG_MULTIARG_ITEM([magic], [magic], [file/libmagic support])
655 ])
656
657
658 dnl Cryptography Options
659 dnl ====================
660 OG_OPTION_GROUP(Cryptography options)
661
662 OG_ARG_WITH([openssl],
663         AS_HELP_STRING([--with-openssl],
664                 [Compile in experimental support for
665                 OpenSSL libcrypto and libssl.]),
666         [yes], [YES])
667
668 OG_ARG_WITH([gnutls],
669         AS_HELP_STRING([--with-gnutls],
670                 [Compile in experimental support for
671                 GnuTLS transport security.]),
672         [no], [NO])
673
674
675 dnl Networking Options
676 dnl ==================
677 OG_OPTION_GROUP(Networking options)
678
679 OG_ARG_WITH([dnet],
680         AS_HELP_STRING([--with-dnet],
681                 [Compile with support for DECnet.]),
682         [no], [NO])
683
684 OG_ARG_WITH([socks],
685         AS_HELP_STRING([--with-socks],
686                 [Compile with support for SOCKS (an Internet proxy).]),
687         [auto], [Autodetect])
688
689 OG_ARG_WITH([ipv6-cname],
690         AS_HELP_STRING([--with-ipv6-cname],
691                 [Try IPv6 information first when canonicalizing host names.
692                 This option has no effect unless system supports
693                 getaddrinfo(3) and getnameinfo(3).]),
694         [no], [NO])
695
696 OG_ARG_WITH([pop],
697         AS_HELP_STRING([--with-pop],
698                 [Support POP for mail retrieval.]),
699         [no], [NO])
700
701 OG_ARG_WITH([kerberos],
702         AS_HELP_STRING([--with-kerberos],
703                 [Support Kerberos-authenticated POP.]),
704         [no], [NO])
705
706 OG_ARG_WITH([hesiod],
707         AS_HELP_STRING([--with-hesiod],
708                 [Support Hesiod to get the POP server host.]),
709         [no], [NO])
710
711
712 dnl File-related Options
713 dnl ====================
714 OG_OPTION_GROUP(File-related options)
715
716 OG_ARG_WITH([clash-detection],
717         AS_HELP_STRING([--with-clash-detection],
718                 [Use lock files to detect multiple edits
719                 of the same file.]),
720         [no], [NO])
721
722 OG_ARG_WITH([mail-locking],
723         AS_HELP_STRING([--with-mail-locking=TYPE],
724                 [Specify the locking to be used by movemail to prevent
725                 concurrent updates of mail spool files. Valid types
726                 are `lockf'  `flock'  `file'  `locking'  `pop' or `mmdf'.]),
727         [auto], [Autodetect], [lockf flock file locking mmdf pop no])
728
729
730 dnl Internationalisation Options
731 dnl ============================
732 OG_OPTION_GROUP(Internationalisation options)
733
734 OG_ARG_WITH([mule],
735         AS_HELP_STRING([--with-mule],
736                 [Compile with Mule (MUlti-Lingual Emacs) support
737                 needed to support non-Latin-1 (including Asian)
738                 languages.]),
739         [yes], [YES])
740
741 OG_ARG_WITH([canna],
742         AS_HELP_STRING([--with-canna],
743                 [Compile with support for Canna (a Japanese input method
744                 used in conjunction with Mule support).]),
745         [auto], [Autodetect when Mule is enabled])
746
747 OG_ARG_WITH([wnn],
748         AS_HELP_STRING([--with-wnn],
749                 [Compile with support for Wnn (a multi-language input
750                 method used in conjunction with Mule support).]),
751         [auto], [Autodetect when Mule is enabled])
752
753 OG_ARG_WITH([wnn6],
754         AS_HELP_STRING([--with-wnn6],
755                 [Compile with support for the commercial package Wnn6.]),
756         [auto], [Autodetect when Mule is enabled])
757
758
759
760 dnl dnl Other Options
761 dnl dnl =============
762 dnl OG_OPTION_GROUP(Other options)
763 dnl
764
765 ## -------------------------------------------------------------------------
766 ## Check for users who regularly forget about running autoconf
767 ## -------------------------------------------------------------------------
768 AS_IF([test -f "$0.ac" -a "$0.ac" -nt "$0"],
769    AC_MSG_ERROR([What are you doing? RUN autoreconf NOW!!!]))
770
771 #
772 # Turn off core generation. We are already verifying the program fails, no need
773 # poluting the workspace. Of course if you are a SXEmacs developer you may want
774 # to comment this on occasion :-)
775 ulimit -c 0
776
777 ## initialise our nestable msg funs
778 SXE_INIT_MSG_LEVEL
779
780 AC_PROG_SED
781 AC_PROG_AWK
782
783 ECHO=echo
784
785 dnl Small snippet to make echo -n work on solaris
786 ECHO_N= ECHO_C=
787 case `echo -n x` in
788 -n*)
789         case `echo 'x\c'` in
790         *c*)
791                 ;;
792         *)
793                 ECHO_C='\c'
794                 ;;
795         esac
796         ;;
797 *)
798         ECHO_N='-n'
799         ;;
800 esac
801
802
803 echo
804 echo "Preparing the build chain"
805 echo "========================="
806
807 ## We should brag about ourselves, no?
808 AC_DEFINE([XEMACS], [1], [Pretend to be an XEmacs])
809 AC_DEFINE([SXEMACS], [1], [Why not? It's the truth!])
810
811 dnl -------------------------------------------------------------------------
812 dnl Command line argument processing.
813 dnl -------------------------------------------------------------------------
814 dnl Check for bogus options
815 dnl -------------------------------------------------------------------------
816 SXE_CHECK_COMMAND_LINE
817
818 AM_INIT_AUTOMAKE([foreign -Wall])
819 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
820 SXE_CHECK_BUILDCHAIN
821 AC_SUBST(EGREP)
822
823 progname=$0
824 progbasename=$(basename $progname)
825 progdirname=$(dirname $progname)
826
827 ## Build Options
828 ## =============
829
830 echo
831 echo "Build and System Specific Options"
832 echo "================================="
833
834 SXE_EXPLORE_BUILD_ENVIRONMENT
835
836 dnl ----------------------------------------
837 dnl Find out which version of SXEmacs this is
838 dnl ----------------------------------------
839 AC_CHECK_PROG([have_git], [git], [yes], [no])
840 AC_MSG_CHECKING([for SXEmacs version])
841 AC_MSG_RESULT([SXEmacs SXEM4CS_VERSION])
842 dnl Must do the following first to determine verbosity for AC_DEFINE
843 AS_IF([test -n "[]SXEM4CS_BETA_P[]"],beta=yes,beta=no)
844 : "${extra_verbose=$beta}"
845
846 AC_MSG_CHECKING([for SXEmacs patchlevel])
847 CURDIR=$(pwd)
848 cd "$sxe_srcdir"
849 AS_IF([test "$have_git" = "yes"], 
850             [sxemacs_git_version=`git describe 2> /dev/null | head -1`])
851 AS_IF([test -z "$sxemacs_git_version"],
852         sxemacs_git_version="[]SXEM4CS_GIT_VERSION[]")
853 AC_MSG_RESULT([$sxemacs_git_version])
854 version="$sxemacs_git_version"
855 cd "$CURDIR"
856 main_version="$sxemacs_git_version"
857 AC_DEFINE_UNQUOTED([EMACS_MAJOR_VERSION], [SXEM4CS_MAJOR_VERSION], [Description here!])
858 AC_DEFINE_UNQUOTED([EMACS_MINOR_VERSION], [SXEM4CS_MINOR_VERSION], [Description here!])
859 old_version=[]SXEM4CS_VERSION[]
860 if test -n "[]SXEM4CS_BETA_VERSION[]"; then
861         AC_MSG_CHECKING([if we are a beta version])
862         if test "$beta" = "yes"; then
863                 AC_MSG_RESULT([yes])
864                 AC_DEFINE_UNQUOTED([EMACS_BETA_VERSION], [SXEM4CS_BETA_VERSION],
865                         [Description here!])
866         else
867                 AC_MSG_RESULT([no])
868                 AC_DEFINE_UNQUOTED([EMACS_PATCH_LEVEL], [SXEM4CS_BETA_VERSION],
869                         [Description here!])
870         fi
871 fi
872 AC_DEFINE_UNQUOTED([SXEMACS_CODENAME], ["[]SXEM4CS_CODENAME[]"], [Description here!])
873 AC_DEFINE_UNQUOTED([EMACS_VERSION], ["$version"], [Description here!])
874 AC_DEFINE_UNQUOTED([SXEMACS_GIT_VERSION], ["$sxemacs_git_version"],
875         [Description here!])
876
877 PROGNAME=sxemacs
878
879 AC_DEFINE_UNQUOTED([EMACS_PROGNAME], ["$PROGNAME"], [Description here!])
880
881 ## build stuff in lib-src unconditionally
882 SXE_APPEND([lib-src], [MAKE_SUBDIR])
883 SXE_APPEND([lib-src], [INSTALL_ARCH_DEP_SUBDIR])
884
885 ## C compiler build chain
886 AC_USE_SYSTEM_EXTENSIONS
887 AC_LANG([C])
888 AS_MESSAGE([Let's look for the entire C build chain])
889 SXE_CHECK_CC
890 SXE_CHECK_CFLAGS
891
892 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
893
894 ## check machine chars
895 AS_MESSAGE([Let's have a detailed glance at your machine])
896 SXE_PROC_CPUID
897 SXE_PROC_VENDORID
898 SXE_NPROCESSORS
899 SXE_CHECK_PROC_GOODNESS
900
901
902 ## Debugging Options
903 ## =================
904 ## echo
905 ## echo "Debugging Options"
906 ## echo "================="
907
908 dnl ----------------------------------
909 dnl Error checking and debugging flags
910 dnl ----------------------------------
911 dnl Error checking default to "yes" in beta versions, to "no" in releases.
912 dnl Same goes for --enable-debug and --extra-verbosity.
913 if test "$with_error_checking_extents" = yes; then
914         have_error_checking_extents="yes"
915         AC_DEFINE([ERROR_CHECK_EXTENTS], [1], [Description here!])
916         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
917 fi
918 if test "$with_error_checking_types" = yes; then
919         have_error_checking_types="yes"
920         AC_DEFINE([ERROR_CHECK_TYPECHECK], [1], [Description here!])
921         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)],
922                 [assert (assertion)], [
923                 Make sure that all X... macros are dereferencing the correct type,
924                 and that all XSET... macros (as much as possible) are setting the
925                 correct type of structure.  Highly recommended for all
926                 development work.])
927         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
928 else
929         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)], [], [])
930 fi
931 if test "$with_error_checking_bufpos" = yes; then
932         have_error_checking_bufpos="yes"
933         AC_DEFINE([ERROR_CHECK_BUFPOS], [1], [Description here!])
934         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)],
935                 [assert (assertion)], [dnl
936                 Make sure valid buffer positions are passed to BUF_* macros])
937         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
938 else
939         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)], [], [])
940 fi
941 if test "$with_error_checking_gc" = yes; then
942         have_error_checking_gc="yes"
943         AC_DEFINE([ERROR_CHECK_GC], [1], [Description here!])
944         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)],
945                 [assert (assertion)], [dnl
946                 Attempt to catch bugs related to garbage collection
947                 (e.g. not GCPRO'ing)])
948         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
949 else
950         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)], [], [])
951 fi
952 if test "$with_error_checking_malloc" = yes; then
953         have_error_checking_malloc="yes"
954         AC_DEFINE([ERROR_CHECK_MALLOC], [1], [Description here!])
955         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
956 fi
957 if test "$with_error_checking_byte_code"  = yes; then
958         have_error_checking_byte_code="yes"
959         AC_DEFINE([ERROR_CHECK_BYTE_CODE], [1], [Description here!])
960         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
961 fi
962 if test "$with_error_checking_glyphs" = yes; then
963         have_error_checking_glyphs="yes"
964         AC_DEFINE([ERROR_CHECK_GLYPHS], [1], [Description here!])
965         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
966 fi
967
968 dnl enable_debug=yes must be set when error checking is present.  This should be
969 dnl fixed up.
970 dnl with_debug implies other options
971 if test "${with_debug:=$beta}" = "yes"; then
972         with_memory_usage_stats=yes
973         SXE_ADD_CRUFT_OBJS([debug.o])
974         SXE_ADD_CRUFT_OBJS([tests.o])
975         AC_DEFINE([DEBUG_SXEMACS], [1], [Description here!])
976 fi
977 if test "$with_memory_usage_stats" = "yes"; then
978         AC_DEFINE([MEMORY_USAGE_STATS], [1], [Description here!])
979 fi
980
981
982
983 dnl --------------------------------------------------------------
984 dnl $opsys detection complete; defaults depending on $opsys follow
985 dnl --------------------------------------------------------------
986
987
988 dnl --------------------------------------------------------------
989 dnl WooHoo! pdump is ON always and everywhere! --SY.
990 dnl --------------------------------------------------------------
991 with_pdump=yes
992
993 if test "$with_dynamic" != "no"; then
994         case "$opsys" in
995         hpux* | sunos4* )
996                 with_dynamic=no
997                 ;;
998         *)
999                 with_dynamic=yes
1000                 ;;
1001         esac
1002 fi
1003 if test "$with_dynamic" = "yes"; then
1004         case "$opsys" in
1005         hpux* | sunos4* | sco5 )
1006                 opsys="${opsys}-shr"
1007                 ;;
1008         decosf* )
1009                 ld_call_shared="-call_shared"
1010                 ;;
1011         darwin* )
1012                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1013                 if test "x$have_ld_no_pie" != "x"; then
1014                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1015                 fi
1016                 ;;
1017         esac
1018 else dnl "$with_dynamic" = "no"
1019         case "$opsys" in
1020         sol2 )
1021                 echo "Static linking is not supported on Solaris 2."
1022                 echo "Rerun configure without specifying --without-dynamic."
1023                 exit 1
1024                 ;;
1025         linux )
1026                 ld_call_shared="-Bstatic"
1027                 ;;
1028         decosf* )
1029                 ld_call_shared="-non_shared"
1030                 ;;
1031         darwin* )
1032                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1033                 if test "x$have_ld_no_pie" != "x"; then
1034                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1035                 fi
1036                 ;;
1037         esac
1038 fi
1039
1040 dnl Tools configuration
1041 case "$opsys" in
1042 aix* )
1043         NON_GNU_CC=xlc
1044         ;;      dnl Use xlc by default on AIX
1045 darwin )
1046         RANLIB="ranlib -c"
1047         ;;  dnl Avoid link error in lwlib-config.c
1048         ## this needs rework I think because RANLIB is provided by LT_INIT anyway
1049 esac
1050
1051 stack_trace_eye_catcher=\
1052 `echo ${PROGNAME}_${version}_${ac_cv_build} | sed 'y!@/.-!____!'`
1053 AC_DEFINE_UNQUOTED([STACK_TRACE_EYE_CATCHER], [$stack_trace_eye_catcher],
1054         [Just a very looong string to make traces more readable.])
1055
1056 dnl --------------------------------------------------
1057 dnl Determine the compiler, set up for feature testing
1058 dnl --------------------------------------------------
1059
1060 if test "$with_clash_detection" != "no"; then
1061         AC_DEFINE([CLASH_DETECTION], [1], [Description here!])
1062         SXE_ADD_CRUFT_OBJS([filelock.o])
1063 fi
1064
1065
1066 dnl what exactly do we determine here? and where is it used?
1067 dnl dnl Determine GCC version.
1068 dnl if test "$GCC" = "yes"; then
1069 dnl     AC_RUN_IFELSE([AC_LANG_SOURCE([[
1070 dnl int main ()
1071 dnl {
1072 dnl #if __GNUC__ >= 3
1073 dnl     return 11;
1074 dnl #else
1075 dnl     return 0;
1076 dnl #endif
1077 dnl }]])], [:], [dnl
1078 dnl case "$?" in
1079 dnl 11)
1080 dnl     echo "You appear to be using GCC version 3 or above."
1081 dnl     __GCC3=yes
1082 dnl     ;;
1083 dnl esac], [__GCC3=no])
1084 dnl fi
1085
1086 dnl We don't do AC_PROG_CC for SXEMACS_CC; if we can't trust these people....
1087 : ${SXEMACS_CC:="$CC"}
1088
1089 dnl Figure out what C preprocessor to use.
1090
1091 dnl On Sun systems, people sometimes set up the variable CPP
1092 dnl with a value that is a directory, not an executable at all.
1093 dnl Detect that case, and ignore that value.
1094 test -n "$CPP" -a -d "$CPP" && CPP=
1095
1096 test -n "$NON_GNU_CPP" -a "$GCC" != "yes" -a -z "$CPP" && CPP="$NON_GNU_CPP"
1097
1098 dnl --------------------------------------------------------------------
1099 dnl Compiler feature macros
1100 dnl --------------------------------------------------------------------
1101
1102
1103 dnl --------------------------------------------------------------------
1104 dnl Extract some information from the operating system and machine files
1105 dnl --------------------------------------------------------------------
1106
1107 echo "Extracting information from the machine- and system-dependent headers..."
1108
1109 SXE_CHECK_MACHARCH
1110 SXE_EXTRACT_MACHARCH_INFO
1111
1112 dnl s&m files shouldn't be required to define anything, or even to exist.
1113 dnl So we default SYSTEM_TYPE to the obvious documented standard, `uname -s`,
1114 dnl appropriately emacsulated.
1115 if test -z "$system_type"; then
1116         AC_DEFINE_UNQUOTED([SYSTEM_TYPE],
1117                 ["`uname -s | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"],
1118                 [Description here!])
1119 fi
1120
1121 dnl If the s&m files don't define a system-specific dumper, simply use pdump.
1122 dnl Sometime in the future, we'll remove all definitions of UNEXEC
1123 dnl from all the s&m files.
1124 test -z "$unexec" && with_pdump=yes
1125
1126 if test "$with_pdump" = "yes"; then
1127         ordinary_link="yes"
1128         ld="${ordinary_ld}"
1129         start_files=
1130         libs_standard=
1131         unexec=
1132         lib_gcc=
1133 fi
1134
1135 dnl dnl For debugging...
1136 dnl SXE_PRINT_VAR([libs_machine libs_system libs_termcap libs_standard
1137 dnl     objects_machine objects_system c_switch_machine c_switch_system
1138 dnl     ld_switch_machine ld_switch_system unexec ld_switch_shared
1139 dnl     ld lib_gcc ld_text_start_addr start_files ordinary_link
1140 dnl     have_terminfo mail_use_flock mail_use_lockf]) && echo ""
1141
1142 dnl bitch at build attempt on win32 machines
1143 case "$opsys" in mingw* | cygwin*)
1144         SXE_DIE("Invalid operation system. Cannot build on win32 machines.")
1145 esac
1146
1147 dnl Non-ordinary link usually requires -lc
1148 test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
1149
1150 ## perform compiler specific things
1151 SXE_DO_CC_HACKS
1152 ## machine specific extensions
1153 SXE_CHECK_SIMD_EXTENSIONS
1154
1155 ## some linker flags that might come in handy
1156 SXE_CHECK_LDFLAGS
1157
1158 ## suffices to be defined late, for instance here
1159 SXE_CHECK_PARSER_LEXER
1160
1161 if test "$with_pdump" != "yes"; then
1162         ## GNU ld now defaults to combreloc, which screws up unexec,
1163         ## but not pdump.
1164         ## Note that it's OK if the GNU style long option causes
1165         ## non-GNU ld to barf a usage message, that's often good
1166         ## enough.  Please report it, though.
1167         ## #### Should make this Solaris-friendly.
1168         ## Link with -z nocombreloc for now.
1169         SXE_CHECK_LD_ZFLAG([nocombreloc])
1170         if test "$sxe_cv_ld__z_nocombreloc" = "yes"; then
1171                 SXE_PREPEND_LINKER_FLAG([-z nocombreloc], [ld_switch_site])
1172         fi
1173 fi
1174
1175 dnl Inform compiler that certain flags are meant for the linker
1176 SXE_PROTECT_LINKER_FLAGS(ld_switch_system)
1177 SXE_PROTECT_LINKER_FLAGS(ld_switch_machine)
1178 SXE_PROTECT_LINKER_FLAGS(ld_switch_site)
1179 SXE_PROTECT_LINKER_FLAGS(LDFLAGS)
1180 SXE_PROTECT_LINKER_FLAGS(ld_call_shared)
1181
1182 dnl Add s&m-determined objects to link line
1183 test -n "$objects_machine" && SXE_ADD_CORE_OBJS($objects_machine)
1184 test -n "$objects_system"  && SXE_ADD_CORE_OBJS($objects_system)
1185 test "$with_pdump" = "yes" && SXE_ADD_CORE_OBJS(dumper.o)
1186
1187
1188 dnl Feed s&m crud to src/Makefile
1189
1190 dnl Linux/powerpc needs the following magic for some reason
1191 dnl [Not needed with YellowDog 2.3 and causes link problems with YellowDog 3.0,
1192 dnl the two most popular PowerPC distributions.]
1193 dnl test "$machine$opsys" = "powerpclinux" && start_flags="-T $sxe_srcdir/src/ppc.ldscript"
1194
1195 AC_LANG(C)
1196 if test "$unexec" = "unexaix.o"; then
1197 dnl AIX needs various hacks to make static linking work.
1198   if   test "$with_dynamic" = "no"; then
1199   start_flags="-Wl,-bnso,-bnodelcsect"
1200   test "$GCC" = "yes" && start_flags="-B/bin/ ${start_flags}"
1201   for f in "/lib/syscalls.exp" "/lib/threads.exp"; do
1202     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; fi
1203   done
1204   for f in "/usr/lpp/X11/bin/smt.exp" "/usr/bin/X11/smt.exp"; do
1205     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; break; fi
1206   done
1207   AC_CHECK_LIB([c], [terminateAndUnload], [SXE_APPEND(-lC, libs_system)])
1208   fi
1209 elif test -n "$ld_text_start_addr"; then
1210   start_flags="-T $ld_text_start_addr -e __start"
1211 fi
1212 AC_SUBST(start_flags)
1213
1214 AC_SUBST(ld_switch_shared)
1215 AC_SUBST(start_files)
1216 if test "$ordinary_link" = "no" -a "$GCC" = "yes"; then
1217         if test -z "$linker"; then
1218                 linker='$(CC) -nostdlib'
1219                 SXE_APPEND([-nostdlib], [start_flags])
1220         fi
1221         test -z "$lib_gcc" && lib_gcc='`$(CC) -print-libgcc-file-name`'
1222 fi
1223 test "$GCC" != "yes" && lib_gcc=
1224 AC_SUBST(ld)
1225 AC_SUBST(lib_gcc)
1226
1227
1228
1229 ## ---------------------------------------------------------------
1230 ## Add site and system specific flags to compile and link commands
1231 ## ---------------------------------------------------------------
1232
1233 ## compute those site prefixes
1234 SXE_COMPUTE_SITE_PREFIXES
1235 ## compute a LD_RUN_PATH
1236 SXE_COMPUTE_LD_RUN_PATH
1237
1238
1239 ## some header checks
1240 SXE_CHECK_BASIC_HEADERS
1241 ## the very basic c types
1242 SXE_CHECK_BASIC_TYPES
1243
1244 ## for signalling
1245 SXE_CHECK_SIGNALS
1246
1247 AC_CHECK_MEMBERS([struct stat.st_rdev])
1248 AC_CHECK_TYPES([ptrdiff_t])
1249
1250 ## check whether intptr_t is definied in sys/types.h
1251 SXE_CHECK_INTPTR_T
1252
1253 dnl -lm is required for floating point support, among other things
1254 AC_CHECK_FUNC([sin], [], [AC_CHECK_LIB([m], [sin])])
1255
1256
1257 dnl check for Make feature
1258 AC_PROG_MAKE_SET
1259
1260
1261 dnl check for long file names
1262 AC_SYS_LONG_FILE_NAMES
1263 AC_SYS_LARGEFILE
1264 AC_SYS_INTERPRETER
1265 AC_SYS_POSIX_TERMIOS
1266
1267 AC_FUNC_MALLOC
1268 AC_FUNC_MKTIME
1269
1270 dnl See if mkstemp is available
1271 AC_CHECK_FUNCS([mkstemp])
1272
1273 SXE_CHECK_FILE_LOCK
1274
1275 case "$opsys" in decosf*)
1276         AC_CHECK_LIB([pthreads], [cma_open])
1277         AS_IF([test "$ac_cv_lib_pthreads_cma_open" = "yes"],
1278                 c_switch_site="$c_switch_site -threads")
1279         ;;
1280 esac
1281
1282
1283 dnl ----------------------------------------------------------------
1284 dnl Miscellaneous flags
1285 dnl ----------------------------------------------------------------
1286
1287 AC_MSG_CHECKING(whether the -xildoff compiler flag is required)
1288 if   ${CC-cc} '-###' -xildon  no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ; then
1289   if ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
1290     then AC_MSG_RESULT(no);
1291     else AC_MSG_RESULT(yes); SXE_APPEND_UNDUP(-xildoff, ld_switch_site)
1292   fi
1293   else AC_MSG_RESULT(no)
1294 fi
1295
1296 dnl Link with "-z ignore" on Solaris if supported
1297 if test "$opsys" = "sol2"; then
1298   if test "$os_release" -ge 506; then
1299     AC_MSG_CHECKING(for "-z ignore" linker flag)
1300     case "`ld -h 2>&1`" in
1301       *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
1302         SXE_PREPEND_UNDUP(-z ignore, ld_switch_site) ;;
1303       *) AC_MSG_RESULT(no) ;;
1304     esac
1305   fi
1306 fi
1307
1308 dnl ----------------------------------------------------------------
1309 dnl Check for Unixoid pty/process support.
1310 dnl ----------------------------------------------------------------
1311
1312 dnl There is no "standard" pty allocation method.  Every system is different.
1313 dnl  getpt()  is the preferred pty allocation method on glibc systems.
1314 dnl _getpty() is the preferred pty allocation method on SGI systems.
1315 dnl grantpt(), unlockpt(), ptsname() are defined by Unix98.
1316 AC_CHECK_FUNCS([getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp])
1317
1318 dnl openpty() is the preferred pty allocation method on BSD and Tru64 systems.
1319 dnl openpty() might be declared in:
1320 dnl - pty.h (Tru64 or Linux)
1321 dnl - libutil.h (FreeBSD)
1322 dnl - util.h (NetBSD)
1323 AC_CHECK_FUNC(openpty, have_openpty=yes, [
1324   AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
1325 if test "$have_openpty" = "yes"; then
1326   AC_DEFINE([HAVE_OPENPTY], [1], [Description here!])
1327   AC_CHECK_HEADERS(libutil.h util.h, break)
1328   test "$need_libutil" = "yes" && SXE_APPEND(-lutil, libs_system)
1329 fi
1330
1331 dnl Check for system-specific pty header files
1332 dnl Often the TIOCSIG* symbols are hiding there.
1333 case "$opsys" in
1334   dnl HPUX pty.h #defines TRUE and FALSE, so just use ptyio.h there.
1335   hpux*) AC_CHECK_HEADERS(sys/ptyio.h) ;;
1336   *) AC_CHECK_HEADERS(pty.h)
1337      test "$ac_cv_header_pty_h" = "no" && AC_CHECK_HEADERS(sys/pty.h)
1338      ;;
1339 esac
1340
1341 dnl Check for STREAM support functions.
1342 dnl Confusingly, "str" means both "string" and "SysV Streams".
1343 AC_CHECK_HEADERS(stropts.h)
1344 if test "$ac_cv_header_stropts_h" = "yes"; then
1345   AC_CHECK_FUNCS(isastream)
1346   AC_CHECK_HEADERS(strtio.h) dnl TIOCSIGNAL
1347 fi
1348
1349 dnl Check whether the system provides getloadavg().
1350 AC_CHECK_FUNCS(getloadavg)
1351
1352 if test "$ac_cv_func_getloadavg" = "yes"; then
1353   dnl Solaris 8 declares getloadavg() in <sys/loadavg.h>.
1354   dnl glibc 2.2 declares getloadavg() in <stdlib.h>...
1355   dnl   ...if we #define _GNU_SOURCE, which we do.
1356   AC_CHECK_HEADERS(sys/loadavg.h)
1357 else
1358   dnl We define our own getloadavg() using lower level functions.
1359   SXE_ADD_CRUFT_OBJS([getloadavg.o])
1360
1361   dnl Used by getloadavg() - does not require root priveleges
1362   AC_CHECK_LIB(kstat, kstat_open)
1363   AC_CHECK_HEADERS(kstat.h)
1364
1365   dnl Another way to get the load average
1366   AC_CHECK_LIB(kvm, kvm_read)
1367 fi
1368
1369 dnl If netdb.h does not declare h_errno, we must declare it by hand.
1370 AC_MSG_CHECKING(whether netdb declares h_errno)
1371 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
1372   [[return h_errno;]])],
1373   [AC_MSG_RESULT(yes)
1374    AC_DEFINE([HAVE_H_ERRNO], [1], [Description here!])],
1375   [AC_MSG_RESULT(no)])
1376
1377 AC_MSG_CHECKING([for sigsetjmp])
1378 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1379 #include <setjmp.h>
1380         ]], [[
1381 sigjmp_buf bar;
1382 sigsetjmp (bar, 0);
1383         ]])],
1384         [sxe_cv_c_func_sigsetjmp="yes"],
1385         [sxe_cv_c_func_sigsetjmp="no"])
1386 AC_MSG_RESULT([$sxe_cv_c_func_sigsetjmp])
1387 if test "$sxe_cv_c_func_sigsetjmp" = "yes"; then
1388         AC_DEFINE([HAVE_SIGSETJMP], [1], [Description here!])
1389         AC_DEFINE_UNQUOTED([SETJMP(x)], [sigsetjmp (x, 0)], [dnl
1390                 We want to avoid saving the signal mask if possible, because
1391                 that necessitates a system call.])
1392         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [siglongjmp(x, y)], [dnl
1393                 Description here!])
1394         AC_DEFINE_UNQUOTED([JMP_BUF], [sigjmp_buf], [dnl
1395                 Description here!])
1396 else
1397         AC_DEFINE_UNQUOTED([SETJMP(x)], [setjmp(x)], [dnl
1398                 We want to avoid saving the signal mask if possible, because
1399                 that necessitates a system call.])
1400         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [longjmp(x, y)], [Description here!])
1401         AC_DEFINE_UNQUOTED([JMP_BUF], [jmp_buf], [Description here!])
1402 fi
1403
1404
1405 AC_MSG_CHECKING(whether localtime caches TZ)
1406 AC_CACHE_VAL(emacs_cv_localtime_cache,
1407 [if test "$ac_cv_func_tzset" = "yes"; then
1408 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
1409 #if STDC_HEADERS
1410 # include <stdlib.h>
1411 #endif
1412 extern char **environ;
1413 unset_TZ ()
1414 {
1415   char **from, **to;
1416   for (to = from = environ; (*to = *from); from++)
1417     if (! (to[[0]][[0]] == 'T' && to[[0]][[1]] == 'Z' && to[[0]][[2]] == '='))
1418       to++;
1419 }
1420 char TZ_GMT0[[]] = "TZ=GMT0";
1421 char TZ_PST8[[]] = "TZ=PST8";
1422 main()
1423 {
1424   time_t now = time ((time_t *) 0);
1425   int hour_GMT0, hour_unset;
1426   if (putenv (TZ_GMT0) != 0)
1427     exit (1);
1428   hour_GMT0 = localtime (&now)->tm_hour;
1429   unset_TZ ();
1430   hour_unset = localtime (&now)->tm_hour;
1431   if (putenv (TZ_PST8) != 0)
1432     exit (1);
1433   if (localtime (&now)->tm_hour == hour_GMT0)
1434     exit (1);
1435   unset_TZ ();
1436   if (localtime (&now)->tm_hour != hour_unset)
1437     exit (1);
1438   exit (0);
1439 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1440 [# If we have tzset, assume the worst when cross-compiling.
1441 emacs_cv_localtime_cache=yes])
1442 else
1443         # If we lack tzset, report that localtime does not cache TZ,
1444         # since we can't invalidate the cache if we don't have tzset.
1445         emacs_cv_localtime_cache=no
1446 fi],[:])dnl
1447 AC_MSG_RESULT($emacs_cv_localtime_cache)
1448 if test $emacs_cv_localtime_cache = yes; then
1449   AC_DEFINE([LOCALTIME_CACHE], [1], [Description here!])
1450 fi
1451
1452
1453 need_alloca_c=no
1454 dnl HP-UX has a working alloca in libPW.
1455 dnl case "${GCC}${opsys}" in hpux* )
1456 dnl  AC_CHECK_FUNC(alloca, [:], [AC_CHECK_LIB(PW, alloca)])
1457 dnl esac
1458
1459 dnl AC_FUNC_ALLOCA doesn't know about DEC C's #pragma intrinsic(alloca)
1460 if test "$__DECC" != "yes"; then
1461         AC_FUNC_ALLOCA
1462         if test -n "$ALLOCA"; then
1463                 SXE_ADD_CRUFT_OBJS([$ALLOCA])
1464                 need_alloca_c=yes
1465         fi
1466 fi
1467
1468 AC_MSG_CHECKING(for working alloca in function calls)
1469 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1470 #if defined (__GNUC__)
1471 #define alloca __builtin_alloca
1472 #elif defined (__DECC)
1473 #include <alloca.h>
1474 #pragma intrinsic(alloca)
1475 #elif defined (HAVE_ALLOCA_H)
1476 #include <alloca.h>
1477 #elif defined (_AIX)
1478 #pragma alloca
1479 #elif ! defined (alloca)
1480 #ifdef C_ALLOCA
1481 #define alloca xemacs_c_alloca
1482 #else
1483 void *alloca ();
1484 #endif /* C_ALLOCA */
1485 #endif /* !defined (alloca) */
1486
1487 void
1488 f1 (double a, void *ptr, int b)
1489 {
1490   unsigned char *ptr2 = (unsigned char *) ptr;
1491   if (ptr2[[0]] != 0xBF || ptr2[[1]] != 0xBF || ptr2[[3000]] != 0xBF)
1492     exit (1);
1493   if (a != 3.1415 || b != -5490)
1494     exit (1);
1495 }
1496
1497 int
1498 f2 (short c, void *ptr, long e)
1499 {
1500   unsigned char *ptr2 = (unsigned char *) ptr;
1501   if (ptr2[[0]] != 0xFB || ptr2[[1]] != 0xFB || ptr2[[1000]] != 0xFB)
1502     exit (1);
1503   if (c != 665 || e != 776776776)
1504     exit (1);
1505   f1 (3.1415, memset (alloca (3001), 0xBF, 3001), -5490);
1506   return 42;
1507 }
1508
1509 int
1510 main (int argc, char *argv[])
1511 {
1512   if (f2 (665, memset (alloca (1001), 0xFB, 1001), 776776776) != 42)
1513     return 1;
1514   return 0;
1515 }
1516 ]])], working_alloca_in_function_calls=yes, working_alloca_in_function_calls=no,
1517 working_alloca_in_function_calls=no)
1518 AC_MSG_RESULT($working_alloca_in_function_calls)
1519 test "$working_alloca_in_function_calls" != "yes" && \
1520   AC_DEFINE([BROKEN_ALLOCA_IN_FUNCTION_CALLS], [1], [Description here!])
1521
1522 AM_CONDITIONAL([NEED_ALLOCA_C], [
1523         test "$working_alloca_in_function_calls" = "yes" && \
1524         test "$need_alloca_c" = "yes"])
1525
1526 dnl Check whether strcoll exists and works correctly. (This does more
1527 dnl than just check for its existence.) If so, it defines HAVE_STRCOLL.
1528 AC_FUNC_STRCOLL
1529
1530 dnl If `getpgrp' takes no argument (the POSIX.1 version), define
1531 dnl `GETPGRP_VOID'.  Otherwise, it is the BSD version, which takes a
1532 dnl process ID as an argument.
1533 AC_CHECK_FUNCS(getpgrp)
1534 AC_FUNC_GETPGRP
1535
1536 dnl We used to call AC_FUNC_MMAP here
1537 dnl Instead we now use following, suggested by Neal Becker
1538 AC_MSG_CHECKING(for working mmap)
1539 case "$opsys" in ultrix* ) have_mmap=no ;; *)
1540 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1541 #include <unistd.h>
1542 #include <fcntl.h>
1543 #include <sys/mman.h>
1544
1545 #ifndef MAP_VARIABLE
1546 #define MAP_VARIABLE 0
1547 #endif
1548
1549 #ifndef MAP_FAILED
1550 #define MAP_FAILED -1
1551 #endif
1552
1553 int main (int argc, char *argv[])
1554 {
1555   int fd = -1;
1556   caddr_t p;
1557 #ifndef MAP_ANONYMOUS
1558   fd = open ("/dev/zero", O_RDWR);
1559   if (fd < 0)
1560     return 1;
1561 #define MAP_ANONYMOUS 0
1562 #endif
1563   if (mmap(0, 1024, PROT_READ | PROT_WRITE,
1564            MAP_PRIVATE | MAP_VARIABLE | MAP_ANONYMOUS,
1565            fd, 0) != (void *) MAP_FAILED)
1566     return 0;
1567   perror ("conftest: mmap failed");
1568   return 1;
1569 }]])], have_mmap=yes, have_mmap=no, have_mmap=no) ;;
1570 esac
1571 AC_MSG_RESULT($have_mmap)
1572 test "$have_mmap" = "yes" && AC_DEFINE([HAVE_MMAP], [1], [Description here!])
1573
1574 dnl rel_alloc requires either GNU malloc or system malloc with mmap
1575 dnl We only turn rel_alloc on by default if mmap is available.
1576 test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && with_rel_alloc=no
1577 if test "$with_rel_alloc $have_mmap" = "default yes"; then
1578         if test "$doug_lea_malloc" = "yes"; then
1579                 dnl Check if malloc() calls mmap(), making rel_alloc pointless.
1580                 AC_MSG_CHECKING(for M_MMAP_THRESHOLD)
1581                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],[[
1582 #ifndef M_MMAP_THRESHOLD
1583 #error No M_MMAP_THRESHOLD :-(
1584 !@+$%^&*_)(_ - unlikely to compile...
1585 #endif
1586                         ]])], [
1587                         with_rel_alloc=no
1588                         AC_MSG_RESULT(yes)], [
1589                         with_rel_alloc=yes
1590                         AC_MSG_RESULT(no)])
1591         else
1592                 with_rel_alloc=yes
1593         fi
1594 fi
1595 if test "$with_rel_alloc" = "yes"; then
1596         AC_DEFINE([REL_ALLOC], [1], [Description here!])
1597         SXE_ADD_MEMALLOC_OBJS(ralloc.o)
1598 fi
1599
1600 dnl Check for tests/rminal I/O variants
1601 dnl TERMIOS systems may have termio.h, but not vice-versa, I think.
1602 AC_CHECK_HEADER(termios.h,
1603   AC_DEFINE([HAVE_TERMIOS], [1], [Description here!])
1604   AC_DEFINE([SIGNALS_VIA_CHARACTERS], [1], [Description here!])
1605   AC_DEFINE([NO_TERMIO], [1], [Description here!]),
1606   [AC_CHECK_HEADER(termio.h, [AC_DEFINE([HAVE_TERMIO], [1], [Description here!])])])
1607
1608
1609 dnl Check for directory variants
1610 AC_CHECK_HEADER(dirent.h, [AC_DEFINE([SYSV_SYSTEM_DIR], [1], [Description here!])],
1611   [AC_CHECK_HEADER(sys/dir.h, , [AC_DEFINE([NONSYSTEM_DIR_LIBRARY], [1], [Description here!])])])
1612
1613 dnl check for readdir64_r (the reentrant version of readdir64)
1614 AC_CHECK_FUNC(readdir64_r, [AC_DEFINE([HAVE_LARGEFILE], [1], [Description here!])])
1615
1616 dnl Check for nlist.h
1617 AC_CHECK_HEADER([nlist.h], [AC_DEFINE([NLIST_STRUCT], [1], [Description here!])], [])
1618
1619 dnl firstly check for pthread support so that we can use the
1620 dnl asynchronous playing routines
1621
1622 dnl special pthread handling
1623 dnl AIX uses pthreads instead of pthread, and HP/UX uses cma
1624 dnl FreeBSD uses -pthread
1625 AC_CHECK_LIB(pthread, pthread_create)
1626 if test "${ac_cv_lib_pthread_pthread_create}" = "yes"; then
1627         have_threads=yes
1628
1629         SXE_CHECK_COMPILER_FLAGS([-pthreads])
1630         SXE_CHECK_COMPILER_FLAGS([-pthread])
1631         if test "${sxe_cv_c_flags__pthreads}" = "yes"; then
1632                 SXE_PREPEND_UNDUP([-pthreads], [c_switch_site])
1633         fi
1634         if test "${sxe_cv_c_flags__pthread}" = "yes"; then
1635                 SXE_PREPEND_UNDUP([-pthread], [c_switch_site])
1636         fi
1637         SXE_PREPEND([-lpthread], [MM_LIBS])
1638 fi
1639
1640 dnl test for AIX pthreads
1641 AC_CHECK_LIB(pthreads, pthread_create)
1642 if test $ac_cv_lib_pthreads_pthread_create = yes; then
1643   have_threads=yes
1644   SXE_PREPEND(-lpthreads, MM_LIBS)
1645 fi
1646
1647 dnl test for HPUX cma threads.
1648 AC_CHECK_LIB(cma, pthread_create)
1649 if test $ac_cv_lib_cma_pthread_create = yes; then
1650   have_threads=yes
1651   SXE_PREPEND(-lcma, MM_LIBS)
1652 fi
1653
1654 dnl FreeBSD -pthread check
1655 AC_DEFUN([AC_PTHREAD_FREEBSD],
1656 [AC_MSG_CHECKING([if we need -pthread for threads])
1657 AC_CACHE_VAL(ac_cv_ldflag_pthread,
1658         [ac_save_ld_switch_site="$ld_switch_site"
1659         ld_switch_site="-pthread $ld_switch_site"
1660         AC_LINK_IFELSE([AC_LANG_PROGRAM([[char pthread_create();]],
1661         [[char pthread_create();]])],
1662         eval "ac_cv_ldflag_pthread=yes",
1663         eval "ac_cv_ldflag_pthread=no"),
1664         ld_switch_site="$ac_save_ld_switch_site"
1665 ])
1666 if eval "test \"`echo $ac_cv_ldflag_pthread`\" = yes"; then
1667         AC_MSG_RESULT(yes)
1668         have_threads=yes
1669         SXE_PREPEND_UNDUP("-pthread", ld_switch_site)
1670         SXE_PREPEND_UNDUP("-D_THREAD_SAFE", c_switch_site)
1671 else
1672         AC_MSG_RESULT(no)
1673 fi])
1674
1675 dnl If all other thread tests fail, try BSD's -pthread
1676 if test "$have_threads" != yes; then
1677   AC_PTHREAD_FREEBSD
1678 fi
1679
1680 if test "$have_threads" = yes; then
1681   AC_DEFINE([HAVE_THREADS], [1], [Description here!])
1682 fi
1683
1684
1685 ## Internal Options
1686 ## ================
1687
1688 echo
1689 echo "Internal Options"
1690 echo "================"
1691
1692 SXE_CHECK_LIBTOOL
1693 SXE_CHECK_LIBLTDL
1694
1695 dnl ----------------------------------------------------------------
1696 dnl Check for POSIX functions.
1697 dnl ----------------------------------------------------------------
1698
1699 SXE_CHECK_BASIC_FUNS
1700 AC_CHECK_FUNCS([alarm cbrt closedir dup2 eaccess endpwent floor fmod fpathconf frexp fsync ftime ftruncate getaddrinfo getcwd gethostbyname gethostname getnameinfo getpagesize getrlimit gettimeofday getwd isascii isatty link logb lrand48 matherr memchr memmove memset mkdir mktime munmap perror poll pow putenv random re_comp readlink regcomp rename res_init rint rmdir select setitimer setlocale setpgid setsid sigblock sighold sigprocmask snprintf socket sqrt stpcpy strncpy strncat strcasecmp strchr strdup strerror strlwr strrchr strspn strtol strupr symlink ttyname tzset ulimit umask uname usleep utime vlimit vsnprintf waitpid wcscmp wcslen])
1701
1702 AS_IF([test "$have_isatty" = "yes"],
1703         AC_DEFINE([HAVE_ISATTY], [1], [isatty is available]))
1704 AS_IF([test "$have_ttyname" = "yes"],
1705         AC_DEFINE([HAVE_TTYNAME], [1], [ttyname is available]))
1706
1707
1708 ## combines all these time structures and funs
1709 SXE_CHECK_METRONOME
1710 SXE_CHECK_SUFFICIENCY([metronome], [metronome])
1711
1712 ## check for a sane dirname/realpath
1713 SXE_CHECK_DIRNAME
1714 SXE_CHECK_REALPATH
1715
1716 dnl -----------------------------------
1717 dnl Do some misc autoconf-special tests
1718 dnl -----------------------------------
1719
1720 dnl Do the opsystem or machine files prohibit the use of the GNU malloc?
1721 dnl Assume not, until told otherwise.
1722 GNU_MALLOC=yes
1723 if test "$with_dlmalloc" != "no"; then
1724         doug_lea_malloc=yes
1725 else
1726         doug_lea_malloc=no
1727 fi
1728 after_morecore_hook_exists=yes
1729 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1730 AC_MSG_CHECKING(whether __after_morecore_hook exists)
1731 AC_LINK_IFELSE([AC_LANG_SOURCE([[extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0]])],
1732   [AC_MSG_RESULT(yes)],
1733   [AC_MSG_RESULT(no)
1734    after_morecore_hook_exists=no])
1735 if test "$system_malloc" = "yes" ; then
1736   GNU_MALLOC=no
1737   GNU_MALLOC_reason="
1738     - The GNU allocators don't work with this system configuration."
1739 elif test "$with_system_malloc" = "yes" ; then
1740   GNU_MALLOC=no
1741   GNU_MALLOC_reason="
1742     - User chose not to use GNU allocators."
1743 elif test "$with_debug_malloc" = "yes" ; then
1744   GNU_MALLOC=no
1745   GNU_MALLOC_reason="
1746     - User chose to use Debugging Malloc."
1747 fi
1748
1749 if test "$doug_lea_malloc" = "yes" -a "$GNU_MALLOC" = "yes" ; then
1750         GNU_MALLOC_reason="
1751     - Using Doug Lea's new malloc from the GNU C Library."
1752         AC_DEFINE([DOUG_LEA_MALLOC], [1], [Description here!])
1753         if test "$after_morecore_hook_exists" = "no" ; then
1754                 GNU_MALLOC_reason="
1755     - Using Doug Lea's new malloc from the Linux C Library."
1756         AC_DEFINE([_NO_MALLOC_WARNING_], [1], [Description here!])
1757         fi
1758 fi
1759 AM_CONDITIONAL([USE_MEMALLOC], [test -n "${libmemalloc_objs}"])
1760
1761 dnl #### mcheck is broken in all versions of Linux libc and glibc.
1762 dnl Try this again when 2.1 hits the streets.
1763 dnl Avoid using free-hook.c if support exists for malloc debugging in libc
1764 have_libmcheck=no
1765 if test "$with_error_checking_malloc" = "yes" -a \
1766    "$have_glibc" = "yes" -a \
1767    "$doug_lea_malloc" = "yes"; then
1768         AC_CHECK_HEADERS(mcheck.h)
1769         AC_CHECK_LIB(mcheck, mcheck, [have_libmcheck=yes], [have_libmcheck=no])
1770 fi
1771
1772 if test "$with_module_support" != "no"; then
1773         AS_MESSAGE([checking for module support])
1774         if test "$sxe_cv_feat_libltdl" = "yes"; then
1775                 have_module_support="yes"
1776                 with_module_support="yes"
1777                 SXE_ADD_CRUFT_OBJS([emodules-ng.o])
1778                 AC_DEFINE([HAVE_EMODULES], [1], [Whether emods would be available])
1779                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1780         else
1781                 have_module_support="no"
1782                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1783         fi
1784 fi
1785
1786 AM_CONDITIONAL([DESCEND_MODULES],
1787         [test "$with_module_support $have_module_support" = "yes yes"])
1788 if test "$with_module_support $have_module_support" = "yes"; then
1789         SXE_APPEND([src], [MAKE_SUBDIR])
1790         SXE_APPEND([src], [INSTALL_ARCH_DEP_SUBDIR])
1791         SXE_APPEND([modules], [MAKE_AM_SUBDIR])
1792         SXE_APPEND([modules], [SRC_SUBDIR_DEPS])
1793 dnl else
1794 dnl     MOD_CC="$SXEMACS_CC"
1795 dnl     MODCFLAGS="\$(SXE_CFLAGS) -I../../src -I\$(sxe_srcdir)/../../src"
1796 dnl     INSTALLPATH=""
1797 dnl     MOD_INSTALL_PROGRAM="true"
1798 dnl     OBJECT_TO_BUILD="\$(MODNAME).o"
1799 fi
1800
1801 if test "$with_modules_ase" = "yes"; then
1802         have_modules_ase=yes
1803 fi
1804 if test "$with_static_modules_ase" = "yes"; then
1805         have_static_modules_ase=yes
1806 fi
1807 SXE_EMOD_STATMOD([ase])
1808 if test "$have_modules_ase $have_static_modules_ase" != " "; then
1809         have_ase_cart="yes"
1810         have_ase_dig="yes"
1811         have_ase_intv="yes"
1812         have_ase_metric="yes"
1813         have_ase_nbhood="yes"
1814         have_ase_perm="yes"
1815         have_ase_resclass="yes"
1816 fi
1817 if test "$have_bison" = "yes"; then
1818         if test "$with_modules_cl" = "yes" ; then
1819                 have_modules_cl="yes"
1820         fi
1821         if test "$with_static_modules_cl" = "yes"; then
1822                 have_static_modules_cl="yes"
1823         fi
1824 else
1825         if test "$with_modules_cl" = "yes" -o "$with_static_modules_cl" = "yes"; then
1826                 AC_MSG_WARN([Sorry no bison means no cl module for you.])
1827         fi
1828 fi
1829
1830 SXE_EMOD_STATMOD([cl])
1831
1832 dnl D-Bus
1833 dnl SXE_CHECK_DBUS
1834 dnl if test "$have_dbus" = "yes"; then
1835 dnl     if test "$with_modules_dbus" = "yes"; then
1836 dnl             have_modules_dbus=yes
1837 dnl     fi
1838 dnl     if test "$with_static_modules_dbus" = "yes"; then
1839 dnl             have_static_modules_dbus=yes
1840 dnl     fi
1841 dnl else
1842 dnl     AC_MSG_WARN([I cannot believe you do not have d-bus.])
1843 dnl fi
1844
1845 dnl SXE_EMOD_STATMOD([dbus])
1846
1847 AM_CONDITIONAL([AUTARKIC], [test "0" = "1"])
1848 MODARCHDIR=
1849 MAKE_DOCFILE="$sxe_blddir/lib-src/make-docfile"
1850 ELLMAKEDOC=$MAKE_DOCFILE
1851 ELLCC=$MOD_CC
1852 AC_SUBST(ELLCC)
1853 AC_SUBST(ELLMAKEDOC)
1854 AC_SUBST(with_modules, $with_modules)
1855 AC_SUBST(MOD_CC)
1856 AC_SUBST(MODARCHDIR)
1857 AC_SUBST(MAKE_DOCFILE)
1858 AC_SUBST(MODCFLAGS)
1859 AC_SUBST(INSTALLPATH)
1860 AC_SUBST(MOD_INSTALL_PROGRAM)
1861 AC_SUBST(OBJECT_TO_BUILD)
1862 SXE_SUBST_STATMOD_A
1863
1864 ## FFI support
1865 SXE_CHECK_FFI
1866 SXE_CHECK_SUFFICIENCY([ffi], [FFI support], [
1867         ## additional actions
1868         AC_DEFINE([HAVE_LIBFFI], [1], [Description here!])
1869         HAVE_LIBFFI=yes
1870         FFI_LIBS="-lffi"
1871         SXE_ADD_CRUFT_OBJS([effi.o])
1872 ])
1873
1874 ## ENT support
1875 SXE_CHECK_ENT
1876
1877 ## check for pseudo gaussian numbers
1878 AC_MSG_CHECKING([for pseug (gaussian numbers)])
1879 if test "$sxe_cv_feat_gmp" = "yes"; then
1880         ## the good case
1881         AC_DEFINE([HAVE_PSEUG], [1], [Whether we COULD do gaussian numbers!])
1882         sxe_cv_feat_pseug="yes"
1883 else
1884         sxe_cv_feat_pseug="no"
1885 fi
1886 AC_MSG_RESULT([$sxe_cv_feat_pseug])
1887
1888 ## check for pseudo complex numbers
1889 AC_MSG_CHECKING([for pseuc (pseudo complex numbers)])
1890 if test "$sxe_cv_feat_mpfr" = "yes"; then
1891         ## the good case
1892         AC_DEFINE([HAVE_PSEUC], [1], [Whether we COULD do complex numbers!])
1893         sxe_cv_feat_pseuc="yes"
1894 else
1895         sxe_cv_feat_pseuc="no"
1896 fi
1897 AC_MSG_RESULT([$sxe_cv_feat_pseuc])
1898
1899 ## check for pseudo quaternions
1900 AC_MSG_CHECKING([for quatern (quaternion numbers)])
1901 if test "$sxe_cv_feat_gmp" = "yes"; then
1902         ## the good case
1903         AC_DEFINE([HAVE_QUATERN], [1], [Whether we COULD do quaternions!])
1904         sxe_cv_feat_quatern="yes"
1905 else
1906         sxe_cv_feat_quatern="no"
1907 fi
1908 AC_MSG_RESULT([$sxe_cv_feat_quatern])
1909
1910
1911 ## go through what the PH^Wuser has specified
1912 ## it's a wee bit more complex, so let's go for it
1913 ## we use a dijkstra-if
1914 ent_dijkstra="$with_ent_gmp $sxe_cv_feat_gmp"
1915 if test "$ent_dijkstra" = "yes yes"; then
1916         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1917         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1918         SXE_ADD_ENT_OBJS([ent-gmp.o])
1919         have_ent_gmp="yes"
1920 elif test "$ent_dijkstra" = "yes no"; then
1921         ## pity, we wanted GMP but we dont have it
1922         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1923         have_ent_gmp="no"
1924 elif test "$ent_dijkstra" = "no yes"; then
1925         ## we didn't want GMP but we have it
1926         ## do nothing in that case
1927         have_ent_gmp="no"
1928 elif test "$ent_dijkstra" = "no no"; then
1929         ## great, we didnt opt for GMP and we're lucky, it's not there either
1930         have_ent_gmp="no"
1931 fi
1932
1933 ## evaluate mpfr results
1934 ent_dijkstra="$with_ent_mpfr $sxe_cv_feat_mpfr"
1935 if test "$ent_dijkstra" = "yes yes"; then
1936         ## the good case
1937         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1938         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1939         SXE_ADD_ENT_OBJS([ent-mpfr.o])
1940         have_ent_mpfr="yes"
1941 elif test "$ent_dijkstra" = "yes no"; then
1942         ## we want but can't have
1943         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1944         have_ent_mpfr="no"
1945 elif test "$ent_dijkstra" = "no yes"; then
1946         have_ent_mpfr="no"
1947 elif test "$ent_dijkstra" = "no no"; then
1948         have_ent_mpfr="no"
1949 fi
1950
1951
1952 ## whether to enable gaussian numbers
1953 ent_dijkstra="$with_ent_pseug $sxe_cv_feat_pseug"
1954 if test "$ent_dijkstra" = "yes yes"; then
1955         ## perfick
1956         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1957         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1958         SXE_ADD_ENT_OBJS([ent-gaussian.o])
1959         have_ent_pseug="yes"
1960 elif test "$ent_dijkstra" = "yes no"; then
1961         ## grrrr
1962         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1963         have_ent_pseug="no"
1964 elif test "$ent_dijkstra" = "no yes"; then
1965         have_ent_pseug="no"
1966 elif test "$ent_dijkstra" = "no no"; then
1967         have_ent_pseug="no"
1968 fi
1969
1970 ## whether to enable emulated complex numbers
1971 ent_dijkstra="$with_ent_pseuc $sxe_cv_feat_pseuc $with_ent_mpc $sxe_cv_feat_mpc"
1972 if test "$ent_dijkstra" = "yes yes yes yes"; then
1973         ## skip pseuc usage
1974         have_ent_pseuc="veto"
1975         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1976         AS_MESSAGE([ENT: Built-in support for complex numbers available, dnl
1977 but omitted in favour of MPC.])
1978         omit_ent_pseuc_in_favour_of="mpc"
1979         ## set up to use plain mpc
1980         AC_DEFINE([WITH_MPC], [1], [Description here!])
1981         SXE_PREPEND([$MPC_LIBS], [ENT_LIBS])
1982         SXE_ADD_ENT_OBJS([ent-mpc.o])
1983         have_ent_mpc="yes"
1984 elif test "$ent_dijkstra" = "yes yes yes no"; then
1985         ## user planned to use mpc, hasnt got it though
1986         ## now he's cursed with pseudo complex numbers :)
1987         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1988         have_ent_pseuc="yes"
1989         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1990         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1991         ## we want mpc but can't have, set up that
1992         AC_DEFINE([WITH_MPC], [1], [Description here!])
1993         have_ent_mpc="no"
1994 elif test "$ent_dijkstra" = "yes yes no yes"; then
1995         ## user coulda used mpc but disabled it for whatever reasons ... Wait!
1996         ## Horst, is that you?!
1997         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1998         AS_MESSAGE([ENT: dnl
1999 MPC support for complex numbers IS possible, however YOU think you want dnl
2000 the built-in emulated stuff?  Seriously?  Good, so be it!])
2001         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
2002         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
2003         have_ent_pseuc="yes"
2004         omit_ent_mpc_in_favour_of="pseuc"
2005         ## however brag that we have mpc
2006         have_ent_mpc="yes"
2007 elif test "$ent_dijkstra" = "yes yes no no"; then
2008         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
2009         have_ent_pseuc="yes"
2010         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
2011         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
2012         have_ent_mpc="no"
2013 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "yes no"; then
2014         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
2015         have_ent_pseuc="no"
2016 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no yes"; then
2017         have_ent_pseuc="no"
2018 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no no"; then
2019         have_ent_pseuc="no"
2020 fi
2021
2022 ## whether to enable gaussian numbers
2023 ent_dijkstra="$with_ent_quatern $sxe_cv_feat_quatern"
2024 if test "$ent_dijkstra" = "yes yes"; then
2025         ## perfick
2026         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2027         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
2028         SXE_ADD_ENT_OBJS([ent-quatern.o])
2029         have_ent_quatern="yes"
2030 elif test "$ent_dijkstra" = "yes no"; then
2031         ## grrrr
2032         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2033         have_ent_quatern="no"
2034 elif test "$ent_dijkstra" = "no yes"; then
2035         have_ent_quatern="no"
2036 elif test "$ent_dijkstra" = "no no"; then
2037         have_ent_quatern="no"
2038 fi
2039
2040 ## elliptic curve support
2041 ent_dijkstra="$with_ent_ecm $sxe_cv_feat_ecm"
2042 if test "$ent_dijkstra" = "yes yes"; then
2043         ## perfick case
2044         AC_DEFINE([WITH_ECM], [1], [Description here!])
2045         SXE_PREPEND([$ECM_LIBS], [ENT_LIBS])
2046         SXE_ADD_ENT_OBJS([ent-ecm.o])
2047         have_ent_ecm="yes"
2048 elif test "$ent_dijkstra" = "no yes"; then
2049         have_ent_ecm="no"
2050 elif test "$ent_dijkstra" = "yes no"; then
2051         AC_DEFINE([WITH_ECM], [1], [Description here!])
2052         have_ent_ecm="no"
2053 elif test "$ent_dijkstra" = "no no"; then
2054         have_ent_ecm="no"
2055 fi
2056
2057
2058 ## Floating operation support is now unconditional
2059 SXE_CHECK_MATHS_VALUES
2060 if test "$ac_cv_sizeof_long_double" != 0; then
2061         ##AC_DEFINE_UNQUOTED([fpfloat], [long double], [Description here!])
2062         ##AC_DEFINE([fpfloat_long_double_p], [1], [Description here!])
2063         fpfloat="long double"
2064         fpfloat_long_double_p=1
2065         have_fpfloat=yes
2066 elif test "$ac_cv_sizeof_double" != 0; then
2067         ##AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2068         ##AC_DEFINE([fpfloat_double_p], [1], [Description here!])
2069         fpfloat="double"
2070         fpfloat_double_p=1
2071         have_fpfloat=yes
2072 else
2073         AS_MESSAGE([Uh oh, no float type is bad news.])
2074         have_fpfloat=no
2075 fi
2076
2077 AC_MSG_CHECKING([if need to add -lm])
2078 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2079 #include <math.h>
2080 ]],[[
2081 return sin(0.0);
2082 ]])], [AC_MSG_RESULT([no])], [
2083         AC_MSG_RESULT([maybe])
2084         save_LIBS=$LIBS
2085         SXE_APPEND([-lm], [LIBS])
2086         AC_MSG_CHECKING([if can add -lm])
2087         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2088 #include <math.h>
2089 ]],[[
2090 return sin(0.0);
2091 ]])], [AC_MSG_RESULT([yes])], [
2092         AC_MSG_RESULT([no])
2093         AC_MSG_WARN([No way to use math functions found. Reverting option append.])
2094         LIBS=$save_LIBS])])
2095
2096
2097
2098 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2099 #include <math.h>
2100 ]],[[
2101 return atanh(1.0) + asinh(1.0) + acosh(1.0);
2102 ]])], [AC_DEFINE([HAVE_INVERSE_HYPERBOLIC], [1], [Description here!])])
2103
2104 if test "$have_fpfloat" = "yes"; then
2105         AC_DEFINE([HAVE_FPFLOAT], [1], [Description here!])
2106
2107         SXE_CHECK_CLEAN_FLOATOPS(
2108                 [have_clean_floatops="yes"], [have_clean_floatops="no"])
2109
2110         ## it would seem odd to define the destiny of our float arithmetic here
2111         if test "$have_clean_floatops" = "yes"; then
2112                 AC_DEFINE_UNQUOTED([fpfloat], [$fpfloat], [Description here!])
2113                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2114                         [${fpfloat_long_double_p:-0}], [Description here!])
2115                 AC_DEFINE_UNQUOTED([fpfloat_double_p],
2116                         [${fpfloat_double_p:-0}], [Description here!])
2117         else
2118                 AS_MESSAGE([downgrading to `double' floats])
2119                 AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2120                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2121                         [0], [Description here!])
2122                 AC_DEFINE([fpfloat_double_p],
2123                         [1], [Description here!])
2124         fi
2125 fi
2126
2127 ## trivial checks, you cannot (yet) turn off internal arithmetic entirely
2128 ## so we always `have' it
2129 dnl with_ent_int=yes
2130 have_ent_int=yes
2131 dnl with_ent_indef=yes
2132 have_ent_indef=yes
2133 dnl with_ent_fpfloat=yes
2134 have_ent_fpfloat=yes
2135 dnl we attempt to always use ent.o
2136 AC_DEFINE([WITH_NUMBER_TYPES], [1], [Description here!])
2137 SXE_SUBST_ENT_OBJS
2138
2139 dnl experimental code support
2140 if test "$with_compre" != "no"; then
2141         AC_MSG_CHECKING([if compre prerequisites are met])
2142         AC_MSG_RESULT([yes])
2143         AC_DEFINE([EF_USE_COMPRE], [1],
2144                 [Whether to provide compiled regular expression!])
2145         have_compre=yes
2146 fi
2147 if test "$with_experimental_features_pom" = "yes"; then
2148         AC_MSG_CHECKING([if pom prerequisites are met])
2149         if test "$have_threads" = "yes"; then
2150                 AC_MSG_RESULT([yes])
2151                 AC_DEFINE([EF_USE_POM], [1],
2152                         [Whether to protect all lisp objects with mutexes!])
2153                 have_experimental_features_pom=yes
2154         else
2155                 AC_MSG_RESULT([no])
2156         fi
2157 fi
2158 if test "$with_experimental_features_asyneq" = "yes"; then
2159         AC_MSG_CHECKING([if asyneq prerequisites are met])
2160         if test "$have_threads" = "yes"; then
2161                 AC_MSG_RESULT([yes])
2162                 AC_DEFINE([EF_USE_ASYNEQ], [1],
2163                         [Whether to setup asynchronous event queues!])
2164                 have_experimental_features_asyneq=yes
2165                 SXE_ADD_EVENTS_OBJS([event-queue.o workers.o worker-asyneq.o])
2166         else
2167                 AC_MSG_RESULT([no])
2168         fi
2169 fi
2170 SXE_SUBST_EVENTS_OBJS
2171
2172 SXE_CHECK_EVENTS
2173 SXE_CHECK_SUFFICIENCY([events], [event system])
2174
2175 ## check asm helpers
2176 SXE_CHECK_ASM_HELPERS
2177
2178 ## compression titbits
2179 SXE_CHECK_ZLIB
2180 SXE_CHECK_BZLIB
2181 SXE_CHECK_LZMA
2182
2183
2184 ## Cryptography Options
2185 ## ====================
2186 echo
2187 echo "Cryptography Options"
2188 echo "===================="
2189
2190 ## in case someone else (ldap, pgsql, etc.) needs it
2191 SXE_CHECK_OPENSSL
2192 SXE_CHECK_SUFFICIENCY([openssl], [OpenSSL support])
2193
2194 dnl OpenSSL
2195 if test "$with_openssl" != "no" -a "$have_openssl" = "yes"; then
2196         SXE_ADD_CRUFT_OBJS([openssl.o])
2197 elif test "$with_openssl" != "no"; then
2198         AC_MSG_WARN([Required OpenSSL support cannot be provided.])
2199         AC_MSG_WARN([Check --with-site-prefixes.])
2200 fi
2201 if test "$have_openssl" = "no" -o "$with_openssl" = "no"; then
2202         OPENSSL_CPPFLAGS=""
2203         OPENSSL_LDFLAGS=""
2204         OPENSSL_LIBS=""
2205 fi
2206 AC_SUBST([OPENSSL_CPPFLAGS])
2207 AC_SUBST([OPENSSL_LDFLAGS])
2208 AC_SUBST([OPENSSL_LIBS])
2209
2210 SXE_CHECK_KERBEROS
2211 SXE_CHECK_KERBEROS5
2212 if test "$with_kerberos" = "yes"; then
2213         AC_DEFINE([WITH_KERBEROS], [1], [Whether kerberos support was requested])
2214         if test "$sxe_cv_feat_kerberos" = "yes"; then
2215                 SXE_PREPEND([$KERBEROS_LIBS], [ld_libs_general])
2216         fi
2217 fi
2218
2219
2220 ## Networking Options
2221 ## ==================
2222 echo
2223 echo "Networking Options"
2224 echo "=================="
2225
2226 SXE_CHECK_SOCKETS
2227 SXE_CHECK_SUFFICIENCY([unix], [unix domain sockets])
2228 SXE_CHECK_SUFFICIENCY([sysvipc], [SysV IPC message])
2229 SXE_CHECK_SUFFICIENCY([sockets], [tcp/udp sockets])
2230 SXE_CHECK_SUFFICIENCY([tcpudp], [tcp/udp sockets])
2231 SXE_CHECK_SUFFICIENCY([multicast], [multicast])
2232
2233 dnl Decnet
2234 if test "$with_dnet" = "yes"; then
2235   AC_CHECK_LIB(dnet, main,
2236     [AC_DEFINE([HAVE_LIBDNET], [1], [Description here!])],
2237     [SXE_DIE("DECnet requested but can't find libdnet")])
2238 fi
2239
2240 dnl Socks support
2241 if test "$with_socks" = "yes"; then
2242   AC_CHECK_LIB(socks, SOCKSinit)
2243   test -n "$ac_cv_lib_socks_SOCKSinit" && AC_DEFINE([HAVE_SOCKS], [1], [Description here!])
2244 fi
2245
2246
2247 ## Window System Features
2248 ## ======================
2249 echo
2250 echo "Window System Features"
2251 echo "======================"
2252
2253 dnl ----------------------
2254 dnl Choose a window system
2255 dnl ----------------------
2256
2257 AS_MESSAGE([checking for specified window system])
2258
2259 if test "$with_x" != "no"; then
2260         if test "$with_x11" != "no"; then
2261                 dnl User-specified --x-includes or --x-libraries implies --with-x11.
2262                 test "$x_includes $x_libraries" != "NONE NONE" && \
2263                         window_system=x11
2264                         with_x11=yes
2265         fi
2266
2267         dnl Autodetection of X11 libraries and includes
2268         dnl -------------------------------------------
2269         dnl AC_PATH_XTRA thinks it can find our X headers and includes, but
2270         dnl it often gets it wrong, so we only use it as a last resort.
2271
2272         dnl $OPENWINHOME implies --x-includes and --x-libraries
2273         dnl Not (yet) handled by autoconf2
2274         if test "$x_includes $x_libraries" = "NONE NONE" \
2275                 -a -n "$OPENWINHOME" \
2276                 -a "$OPENWINHOME" != "/usr/openwin" \
2277                 -a -d "$OPENWINHOME"; then
2278                 test -d "$OPENWINHOME/lib"           && \
2279                         x_libraries="$OPENWINHOME/lib"
2280                 test -d "$OPENWINHOME/include"       && \
2281                         x_includes="$OPENWINHOME/include"
2282                 test -d "$OPENWINHOME/share/include" && \
2283                         x_includes="$OPENWINHOME/share/include"
2284         fi
2285
2286         if test -z "$x_includes" -o \
2287            "$x_includes" = "NONE" -o \
2288            ! -d "$x_includes"; then
2289                 dnl AC_PATH_XTRA often guesses /usr/include, when some other
2290                 dnl include directory is a MUCH better guess (Linux, HP-UX 10.20).
2291                 dnl This is a workaround for idiot (esp. HP) system vendors, who
2292                 dnl provide a /usr/include/X11, but DON'T FULLY POPULATE IT.
2293                 for dir in "/usr/X11" "/usr/X11R7" "/usr/X11R6" \
2294                         "/usr/local" "/usr"; do
2295                         if test -d "$dir/include/X11"; then
2296                                 x_includes="$dir/include"
2297                                 break
2298                         fi
2299                 done
2300         fi
2301
2302         if test -z "$x_libraries" -o \
2303            "$x_libraries" = "NONE" -o \
2304            ! -d "$x_libraries"; then
2305                 for dir in \
2306                         "/usr/X11/lib" \
2307                         "/usr/X11R7/lib" "/usr/lib/X11R7" \
2308                         "/usr/X11R6/lib" "/usr/lib/X11R6" \
2309                         "/usr/local/lib" "/usr/local/lib/X11" \
2310                         "/usr/lib" "/usr/lib/X11"; do
2311                         if test -r "$dir/libX11.a"; then
2312                                 x_libraries="$dir"
2313                                 break
2314                         fi
2315                 done
2316         fi
2317
2318         AC_PATH_XTRA
2319         if test "$with_x11" != "no"; then
2320                 if test "$no_x" = "yes"; then
2321                         with_x11=no
2322                         window_system=none
2323                         HAVE_X_WINDOWS=no
2324                 else
2325                         with_x11=yes
2326                         window_system=x11
2327                         HAVE_X_WINDOWS=yes
2328                 fi
2329         fi
2330 fi
2331
2332 dnl #### wmperry:: !x11 != NONE
2333 dnl case "$with_x11" in
2334 dnl  yes ) window_system=x11  HAVE_X_WINDOWS=yes ;;
2335 dnl  no  ) window_system=none HAVE_X_WINDOWS=no  ;;
2336 dnl esac
2337
2338 AM_CONDITIONAL([DESCEND_LWLIB], [test "$with_x11" = "yes"])
2339 if test "$with_x11" = "yes"; then
2340         AC_DEFINE([HAVE_X_WINDOWS], [1], [Description here!])
2341         AC_DEFINE([NeedFunctionPrototypes], [1], [Description here!])
2342         AC_DEFINE([FUNCPROTO], [15], [Whatever this is.])
2343         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2344         SXE_APPEND([lwlib], [MAKE_SUBDIR])
2345         SXE_APPEND([lwlib], [SRC_SUBDIR_DEPS])
2346
2347         SXE_ADD_SXEUIX11_OBJS([console-x.o device-x.o event-Xt.o frame-x.o])
2348         SXE_ADD_SXEUIX11_OBJS([glyphs-x.o objects-x.o redisplay-x.o select-x.o])
2349         SXE_ADD_SXEUIX11_OBJS([xgccache.o])
2350
2351         SXE_DUMP_LIBS
2352         ## some debian systems are trying to fool us ... now fool them back!
2353         if test -d "$x_includes"; then
2354                 CPPFLAGS="$CPPFLAGS -I$x_includes"
2355         fi
2356         if test -d "$x_libraries"; then
2357                 LDFLAGS="$LDFLAGS -L$x_libraries"
2358         fi
2359
2360         dnl Look for Motif, but only if not found in $x_includes and $x_libraries
2361         AC_CHECK_HEADERS([Xm/Xm.h])
2362         if test "$ac_cv_header_Xm_Xm_h" = "yes"; then
2363                 AC_CHECK_LIB([Xm], [XmStringFree], [got_motif=yes])
2364         fi
2365
2366         if test "$got_motif" != "yes"; then
2367                 dnl Try to find Motif dirs
2368                 dnl These take precedence over other X libs/includes, so PRE-pend
2369                 for lib_dir in \
2370                         "/usr/dt/lib" "/usr/lib/Motif2.1" \
2371                         "/usr/lib/Motif1.2" "/usr/lib/Motif1.1"; do
2372                         inc_dir=`echo $lib_dir | sed -e 's/lib/include/'`
2373                         if test -d "$lib_dir" -a -d "$inc_dir"; then
2374                                 case "$x_libraries" in
2375                                 *"$lib_dir"* )
2376                                         ;;
2377                                 *)
2378                                         x_libraries="$lib_dir $x_libraries"
2379                                         SXE_PREPEND(["-L${lib_dir}"], [X_LIBS])
2380                                         ;;
2381                                 esac
2382                                 case "$x_includes" in
2383                                 "$inc_dir"* )
2384                                         ;;
2385                                 *)
2386                                         x_includes="$inc_dir $x_includes"
2387                                         SXE_PREPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2388                                         ;;
2389                                 esac
2390                                 break; dnl only need ONE Motif implementation!
2391                         fi
2392                 done
2393         fi
2394
2395         dnl Contrib X libs/includes do NOT take precedence, so AP-pend
2396         for rel in "X11R7" "X11R6" "X11R5" "X11R4"; do
2397                 lib_dir="/usr/contrib/$rel/lib" inc_dir="/usr/contrib/$rel/include"
2398                 if test -d "$lib_dir" -a -d "$inc_dir"; then
2399                         case "$x_libraries" in
2400                         *"$lib_dir"* )
2401                                 ;;
2402                         *)
2403                                 x_libraries="$x_libraries $lib_dir"
2404                                 SXE_APPEND(["-L${lib_dir}"], [X_LIBS])
2405                                 ;;
2406                         esac
2407                         case "$x_includes" in
2408                         "$inc_dir"* )
2409                                 ;;
2410                         *)
2411                                 x_includes="$x_includes $inc_dir"
2412                                 SXE_APPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2413                                 ;;
2414                         esac
2415                         break; dnl Only need ONE X11 implementation !
2416                 fi
2417         done
2418
2419         dnl Avoid version mismatch for shared library libXm.so on osf4
2420         case "$opsys" in
2421         decosf*)
2422                 AS_IF([test "$GCC" = yes -a -d "/usr/shlib"],
2423                         SXE_APPEND([-L/usr/shlib], [X_LIBS]))
2424                 ;;
2425         esac
2426
2427         LDFLAGS="$LDFLAGS $X_LIBS"
2428
2429         if test "$extra_verbose" = "yes"; then
2430                 echo
2431                 echo "X11 compilation variables:"
2432                 SXE_PRINT_VAR(x_libraries x_includes
2433                         X_CFLAGS X_LIBS X_PRE_LIBS X_EXTRA_LIBS)
2434                 echo
2435         fi
2436
2437         dnl Set up bitmaps search path.
2438         dnl The original suggestion was to unconditionally to append X11/bitmaps
2439         dnl to each element of $x_includes, I'm pretty sure this is the wrong
2440         dnl thing to do.  We test for bitmaps and X11/bitmaps directories on each
2441         dnl element and add them to BITMAPDIR if they exist.
2442         bitmapdirs=
2443         if test "$x_includes" != NONE; then
2444                 for i in $x_includes; do
2445                         if test -d "$i/bitmaps"; then
2446                                 bitmapdirs="$i/bitmaps:$bitmapdirs"
2447                         fi
2448                         if test -d "$i/X11/bitmaps"; then
2449                                 bitmapdirs="$i/X11/bitmaps:$bitmapdirs"
2450                         fi
2451                 done
2452                 bitmapdirs=`echo "$bitmapdirs" | sed s/.$//`
2453         fi
2454         if test ! -z "$bitmapdirs"; then
2455                 AC_DEFINE_UNQUOTED([BITMAPDIR], ["$bitmapdirs"], [Description here!])
2456         fi
2457
2458 dnl   dnl Autodetect defines extracted from X config by xmkmf, e.g. NARROWPROTO
2459 dnl   AS_MESSAGE(checking for X defines extracted by xmkmf)
2460 dnl   rm -fr conftestdir
2461 dnl   if mkdir conftestdir; then
2462 dnl     cd conftestdir
2463 dnl     cat > Imakefile <<'EOF'
2464 dnl xetest:
2465 dnl     @echo ${PROTO_DEFINES} ${STD_DEFINES}
2466 dnl EOF
2467 dnl     if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
2468 dnl       # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
2469 dnl       xmkmf_defines=`${MAKE-make} xetest 2>/dev/null | grep -v make`
2470 dnl     fi
2471 dnl     cd ..
2472 dnl     rm -fr conftestdir
2473 dnl     for word in $xmkmf_defines; do
2474 dnl       case "$word" in
2475 dnl       -D__STDC__*) ;;
2476 dnl       -D* )
2477 dnl     sym=`echo '' $word | sed -e 's:^ *-D::' -e 's:=.*::'`
2478 dnl     case "$word" in
2479 dnl       -D*=* ) val=`echo '' $word | sed -e 's:^.*=::'` ;;
2480 dnl       *     ) val=1 ;;
2481 dnl     esac
2482 dnl dnl Avoid re-AC_DEFINE-ing xmkmf symbols we've already defined above.
2483 dnl     if grep "^#define $sym " confdefs.h >/dev/null; then :; else
2484 dnl       if test "$val" = "1"
2485 dnl         then AC_DEFINE_UNQUOTED([$sym], [], [Description here!])
2486 dnl         else AC_DEFINE_UNQUOTED([$sym], [$val], [Description here!])
2487 dnl       fi
2488 dnl     fi  ;;
2489 dnl       esac
2490 dnl     done
2491 dnl   fi
2492
2493         dnl make sure we can find Intrinsic.h
2494         AC_CHECK_HEADER([X11/Intrinsic.h], [],
2495                 [AC_MSG_ERROR([Unable to find X11 header files. Try using --x-includes=<path> if you know the path, or --with-x=no to disable X11 support.])])
2496
2497         dnl Check some more headers
2498         AC_CHECK_HEADERS([X11/Intrinsic.h X11/StringDefs.h X11/Shell.h X11/ShellP.h],
2499                 [],[],
2500                 [[#if HAVE_X11_INTRINSIC_H
2501                   # include <X11/Intrinsic.h>
2502                   # include <X11/IntrinsicP.h>
2503                   # include <X11/CoreP.h>
2504                   #endif]])
2505
2506         dnl -lXt and -lX11 are required
2507         dnl Some broken systems require the magic "-b i486-linuxaout" flag
2508
2509         dnl Other broken systems will not pass these tests unless the pre and
2510         dnl extra libs are passed on...
2511         LIBS="$LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
2512         AC_CHECK_LIB(X11, XOpenDisplay, have_lib_x11=yes)
2513         if test "$have_lib_x11" != "yes"; then
2514                 AC_CHECK_LIB([X11], [XGetFontProperty],
2515                         [],
2516                         [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.])])
2517         fi
2518         SXE_PREPEND([-lX11], [libs_x])
2519         LIBS="$LIBS -lX11"
2520         if test "$extra_verbose" = "yes"; then
2521                 echo "    Setting libs_x to \"-lX11\""
2522         fi
2523         dnl Autodetect -lXext
2524         AC_CHECK_LIB([Xext], [XShapeSelectInput], [SXE_PREPEND([-lXext], [libs_x])])
2525
2526         dnl Require -lXt
2527         AC_CHECK_LIB([Xt], [XtOpenDisplay], [SXE_PREPEND([-lXt], [libs_x])], [
2528                 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.])])
2529
2530         AC_MSG_CHECKING([the version of X11 being used])
2531         AC_RUN_IFELSE([AC_LANG_SOURCE([[
2532 #include <X11/Intrinsic.h>
2533 int main(int c, char *v[]) { return c>1 ? XlibSpecificationRelease : 0; }]])],
2534                 [./conftest foobar; x11_release=$?],[x11_release=4],[x11_release=4])
2535         AC_MSG_RESULT(R${x11_release})
2536         AC_DEFINE_UNQUOTED([X11_RELEASE], [${x11_release}], [Description here!])
2537
2538         AC_CHECK_FUNCS([XConvertCase])
2539         AC_CHECK_LIB([Xt], [XtRegisterDrawable])
2540         if test "$ac_cv_lib_Xt_XtRegisterDrawable" = "yes"; then
2541                 AC_DEFINE([HAVE_XTREGISTERDRAWABLE], [1], [Description])
2542         fi
2543
2544         AC_CHECK_HEADERS(X11/Xlocale.h)
2545
2546         dnl XFree86 has a non-standard prototype for this X11R6 function
2547         AC_CHECK_FUNCS(XRegisterIMInstantiateCallback)
2548         AC_MSG_CHECKING(for standard XRegisterIMInstantiateCallback prototype)
2549         AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2550 #ifndef NeedFunctionPrototypes
2551 #define NeedFunctionPrototypes 1
2552 #endif
2553 #include <X11/Xlib.h>
2554 extern Bool XRegisterIMInstantiateCallback(
2555         Display*, struct _XrmHashBucketRec*, char*, char*, XIMProc, XPointer*);
2556 ]])],
2557         [AC_MSG_RESULT(yes)],
2558         [AC_MSG_RESULT(no)
2559                 AC_DEFINE([XREGISTERIMINSTANTIATECALLBACK_NONSTANDARD_PROTOTYPE],
2560                         [], [Description here!])])
2561
2562         dnl autodetect -lXmu
2563         AC_CHECK_LIB([Xmu], [XmuReadBitmapDataFromFile],
2564                 [with_xmu=yes], [with_xmu=no])
2565         if test "$with_xmu" = "no"; then
2566                 SXE_ADD_SXEUIX11_OBJS([xmu.o])
2567         else
2568                 SXE_PREPEND([-lXmu], [libs_x])
2569                 AC_DEFINE([HAVE_XMU], [1], [Description here!])
2570         fi
2571
2572         dnl Autodetect -lXbsd
2573         dnl #### Someone, please add a better function than main
2574         AC_CHECK_LIB([Xbsd], [main], SXE_PREPEND([-lXbsd], [libs_x]))
2575
2576         dnl restore old values
2577         SXE_RESTORE_LIBS
2578 fi dnl $with_x11 = yes
2579
2580 AC_SUBST([install_pp])
2581
2582 dnl test "$with_dragndrop" != "no" && with_dragndrop="$with_dragndrop_default"
2583 dnl test -z "$window_system" && window_system="none"
2584 with_dragndrop="no"
2585
2586 dnl Test for features that require a window system - ANY window system
2587 if test "$window_system" = "none"; then
2588   for feature in menubars scrollbars toolbars dialogs dragndrop xface
2589   do
2590     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2591        AC_MSG_WARN([--with-$feature ignored:  Not valid without window system support])
2592     fi
2593     eval "with_${feature}=no"
2594   done
2595 else
2596   test -z "with_toolbars" && with_toolbars=yes
2597 fi
2598
2599 dnl Test for features that require X11 support
2600 if test "$with_x11" != "yes"; then
2601   for feature in offix wmcommand xim xmu nas_sound
2602   do
2603     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2604        AC_MSG_WARN([--with-$feature ignored:  Not valid without X support])
2605     fi
2606     eval "with_${feature}=no"
2607   done
2608 fi
2609
2610 dnl Balloon Help requires the Shape extension, not available everywhere,
2611 dnl for example not on AIX 4.3.
2612 if test "$with_x11" = "yes"; then
2613   AC_CHECK_HEADER(X11/extensions/shape.h, [
2614    AC_DEFINE([HAVE_BALLOON_HELP], [1], [Description here!])
2615    SXE_ADD_SXEUIX11_OBJS(balloon_help.o balloon-x.o)
2616    ])
2617 fi
2618
2619 dnl FSF 19.29 has some bitmapdir stuff here.
2620 bitmapdir=
2621
2622 case "$window_system" in
2623   x11  ) HAVE_X_WINDOWS=yes; echo "  Using X11." ;;
2624   none ) HAVE_X_WINDOWS=no ; echo "  Using no window system." ;;
2625 esac
2626
2627 if test -n "$window_system" -a "$window_system" != "none"; then
2628         AC_DEFINE_UNQUOTED([HAVE_WINDOW_SYSTEM], [1], [Description here!])
2629 fi
2630
2631 case "$x_libraries" in *X11R4* )
2632   test "$opsys" = "hpux9"     && opsysfile="s/hpux9-x11r4.h"
2633   test "$opsys" = "hpux9-shr" && opsysfile="s/hpux9shxr4.h"
2634 esac
2635
2636 dnl Enable or disable proper handling of WM_COMMAND
2637 AS_MESSAGE(checking for WM_COMMAND option);
2638 dnl if test "$with_wmcommand" = "yes"; then
2639 if test "$with_wmcommand" != "no"; then
2640   AC_DEFINE([HAVE_WMCOMMAND], [1], [Description here!])
2641 fi
2642
2643 dnl Autodetect Xauth
2644 dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
2645 test "$with_xauth" != "no" && test "$window_system" = "none" && with_xauth=no
2646 SXE_DUMP_LIBS
2647 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2648 LDFLAGS="$LDFLAGS $X_LIBS"
2649 AC_CHECK_HEADER([X11/Xauth.h], [:], [with_xauth=no])
2650 AC_CHECK_LIB([Xau], [XauGetAuthByAddr], [:], [with_xauth=no])
2651 if test "$with_xauth" = "yes"; then
2652   AC_DEFINE([HAVE_XAUTH], [1], [Description here!])
2653   SXE_CONSECUTIVE_UNDUP([libs_xauth], [$X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS])
2654 fi
2655 SXE_RESTORE_LIBS
2656 AC_SUBST(libs_xauth)
2657
2658 dnl ----------------------
2659 dnl X-Specific Graphics libraries
2660 dnl ----------------------
2661
2662 ## Oki, now that we really need a more exhaustive way to autodetect
2663 ## athena and other widgets we construct a chain.  The elements of
2664 ## that chain are simple atomic tests (provided by AC_DEFUNs).
2665 ## The chain is defined to be:
2666 ##
2667 ## neXtaw -> Xaw3d -> XawXpm -> Xaw95  ->  Xaw  ->  Motif  ->  Nirvana
2668 ## ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^      ^^^      ^^^^^
2669 ##         3d sets                       non-3d   non-athena
2670 ##
2671 ## Now if the user passes a --with-athena=foo option, we jump
2672 ## directly to the according test-suite and in case this fails we jump
2673 ## off the cliff.
2674 ##
2675 ## Attention:
2676 ## We shall perform every test-suite twice, once the correct way, and
2677 ## once with #include'ing the Xfuncproto header.
2678 ## Thanks to the many, many distributions which treat their users
2679 ## like braindead zombies!
2680 ## Especially, I would like to thank Fedora/RedHat for bringing
2681 ## this up. Go on guys, you rock!
2682
2683 ## and now the test chain
2684 if test "$with_x11" = "yes" -a "$with_x" != "no"; then
2685         SXE_CHECK_XTOOLKITS
2686         SXE_CHECK_XT_DEPENDENCIES
2687 else
2688         with_menubars=no
2689         with_scrollbars=no
2690         with_dialogs=no
2691         with_toolbars=no
2692         with_widgets=no
2693 fi
2694
2695 dnl Always compile OffiX unless --without-offix is given, no
2696 dnl X11 support is compiled in, no standard Xmu is available,
2697 dnl or dragndrop support is disabled
2698 dnl Because OffiX support currently loses when more than one display
2699 dnl is in use, we now disable it by default -slb 07/10/1998.
2700 test "$window_system" != "x11" && with_offix=no
2701 if test "$with_xmu" != yes -a "$with_x11" = yes; then
2702   if test "$with_offix" = "yes" ; then
2703     AC_MSG_WARN([--with-offix forced to `no'; no real Xmu support])
2704   fi
2705   with_offix=no
2706 fi
2707 if test "$with_dragndrop" = "no" ; then
2708   if test "$with_offix" = "yes" ; then
2709     AC_MSG_WARN([--with-offix forced to `no'; no generic Drag'n'Drop support])
2710   fi
2711   with_offix=no
2712 fi
2713 if test "$with_offix" = "yes"; then
2714   AC_DEFINE([HAVE_OFFIX_DND], [1], [Description here!])
2715   SXE_APPEND(offix.o, dnd_objs)
2716   SXE_APPEND(OffiX, dragndrop_proto)
2717 fi
2718
2719
2720 ## TTY Options
2721 ## ===========
2722 echo
2723 echo "TTY Options"
2724 echo "==========="
2725
2726
2727 dnl ---------------------
2728 dnl TTY-dependent options
2729 dnl ---------------------
2730
2731 dnl checks for header files
2732 AC_CHECK_HEADERS([libintl.h nlist.h sgtty.h termio.h termios.h])
2733
2734 AS_IF([test "$with_tty" != "no"],[
2735    AS_MESSAGE(checking for TTY-related features)
2736    dnl Check if needed calls are available at all...
2737    
2738    with_tty_libs=""
2739    detect_tty_libs=""
2740    for lib in ncurses curses tinfo terminfo termlib termcap
2741    do
2742        eval "with=\$with_${lib}"
2743        if test "$with" = no
2744        then
2745           AC_MSG_WARN(["Ignoring available ${lib} due to --with-${lib}=no"])
2746        elif test "$with" = "yes"
2747        then
2748           with_tty_libs="$with_tty_libs $lib"
2749        else
2750           detect_tty_libs="$detect_tty_libs $lib"
2751        fi
2752    done
2753
2754    # All terminal info functions needed
2755    tty_funcs="tgetent tgetstr tgetflag tgetnum tparm tgoto tputs"
2756    tty_libs=""
2757    # Filter by existing libs, printf is sure to be available with libc, so failure
2758    # would come from lib not find
2759    for lib in $with_tty_libs $detect_tty_libs
2760    do
2761        SXE_CHECK_LINK_LIB($lib)
2762        if eval "test \"\$sxe_cv_c_lib_${lib}\" != yes"
2763        then
2764           if eval "test \"\$with_${lib}\" = yes"
2765           then
2766              AC_MSG_WARN(["Ignoring --with-${lib}=yes due to library not linkable"])
2767              eval "with_${lib}=no"
2768           fi
2769           continue
2770        fi
2771
2772        AC_CHECK_LIB([$lib], [$tty_funcs])
2773
2774        # Lets verify we have all functions
2775        for func in $tty_func
2776        do
2777            if eval "test \"\$ac_cv_lib_${lib}_${func}\" = no"
2778            then
2779               AS_MESSAGE(["Skipping ${lib}, does not support to all TTY functions"])
2780               lib=""
2781               break
2782            fi
2783        done
2784
2785        tty_libs="$tty_libs $lib"
2786    done
2787
2788    if test -n "$tty_libs"
2789    then
2790       AS_MESSAGE(["Considering libraries: $tty_libs"])
2791    
2792       # Check which preferred lib can be used
2793       for func in $tty_funcs
2794       do
2795          # Make sure no flags are harmed during the search
2796          sxe_save_LIBS=$LIBS
2797          AC_SEARCH_LIBS($func, $tty_libs)
2798          LIBS=$sxe_save_LIBS
2799       done
2800
2801       # Minimize the set of libraries
2802       tty_feature=""
2803       tty_fun=""
2804       for func in $tty_funcs
2805       do
2806           eval lib=\$ac_cv_search_${func}
2807           if test "$lib" != no -a "$lib" != "none required"
2808           then
2809               for feature in $tty_feature
2810               do
2811                   if test "$feature" = "$lib"
2812                   then
2813                      lib=""
2814                      func=""
2815                      break;
2816                   fi
2817               done
2818               tty_feature="$tty_feature $lib"
2819               tty_fun="$tty_fun $func"
2820           fi
2821        done
2822    fi
2823
2824    if test -n "$tty_feature"
2825    then
2826       # Check all the expected functions still compile with all the added
2827       # libraries
2828       sxe_save_LIBS=$LIBS
2829       LIBS="$LIBS $tty_feature"
2830       AC_CHECK_FUNCS($tty_funcs)
2831       for func in $tty_fun
2832       do
2833         if eval "test \"\$ac_cv_func_${func}\" = no"
2834         then
2835             tty_feature=""
2836             break
2837         fi
2838       done
2839       LIBS=$sxe_save_LIBS
2840    fi
2841
2842    if test -n "$tty_feature"
2843    then
2844       SXE_PREPEND($tty_feature, LIBS)
2845       for lib in $tty_feature
2846       do
2847          l=`echo $lib | sed -e 's/^-l//g'`
2848          eval "with_${l}=yes"
2849       done
2850       with_builtin_tty=no
2851       have_tty=yes
2852    else
2853       AC_MSG_WARN([Could not link all needed tty functions.]
2854                   [Please consider installing ncurses.])
2855       if test "$with_builtin_tty" = yes
2856       then
2857           AC_MSG_WARN([Using builtin tty support.])
2858           have_tty=yes
2859       else
2860           AC_MSG_WARN([Use --with-builtin-tty=yes if you cannot use ncurses.])
2861           have_tty=no
2862       fi
2863    fi
2864
2865    if test "$with_builtin_tty" = yes
2866    then
2867       # Add our own wrappers using termcap
2868       SXE_ADD_SXEUITTY_OBJS(termcap.o)
2869       SXE_ADD_SXEUITTY_OBJS(tparam.o)
2870       have_tty=yes
2871    elif test "$have_tty" = yes
2872    then
2873       # Terminfo interface, since tgetent etc are available
2874       SXE_ADD_SXEUITTY_OBJS(terminfo.o)
2875    fi
2876
2877    # Check headers, first generally
2878    AC_CHECK_HEADER(termcap.h, termcap_h_file=termcap.h)
2879    AC_CHECK_HEADER(term.h,    term_h_file=term.h)
2880    
2881    if test "$have_ncurses" = yes; then
2882       # Verify how ncurses overrides them
2883       AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2884       if test -z "$curses_h_file"; then
2885             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2886       fi
2887       if test -n "$curses_h_file"; then
2888             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2889             AC_CHECK_HEADER(ncurses/term.h,    term_h_file=ncurses/term.h)
2890       else
2891             AC_CHECK_HEADER(ncurses.h,         curses_h_file=ncurses.h)
2892       fi
2893       
2894       if test -z "$curses_h_file" ; then
2895           dnl Try again, and check for the bogus ncurses/ include bug.
2896           dnl (i.e. ncurses/curses.h bogusly includes <unctrl.h> instead of
2897           dnl <ncurses/unctrl.h>)
2898           save_c_switch_site="$c_switch_site"
2899           c_switch_site="$c_switch_site -I/usr/include/ncurses"
2900           AC_CHECK_HEADER(ncurses/ncurses.h,   curses_h_file=ncurses/ncurses.h)
2901           if test -z "$curses_h_file"; then
2902             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2903           fi
2904           if test -n "$curses_h_file"; then
2905             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2906             AC_CHECK_HEADER(ncurses/term.h,    term_h_file=ncurses/term.h)
2907           else
2908             AC_CHECK_HEADER(ncurses.h,         curses_h_file=ncurses.h)
2909           fi
2910           if test -n "$curses_h_file"
2911           then
2912                 AC_MSG_WARN([Your system has the bogus ncurses include bug.])
2913                 AC_CHECK_HEADER(termcap.h,         curses_h_file=termcap.h)
2914                 AC_CHECK_HEADER(term.h,            curses_h_file=term.h)
2915           else c_switch_site="$save_c_switch_site"
2916           fi
2917       fi
2918    fi
2919    
2920    if test -n "$curses_h_file"; then
2921         AC_DEFINE_UNQUOTED([HAVE_CURSES_H], [1],
2922                            [There is a curses.h header file available])
2923    fi
2924
2925    if test -n "$termcap_h_file"; then
2926         AC_DEFINE_UNQUOTED([HAVE_TERMCAP_H], [1],
2927                            [There is a termcap.h header available])
2928    fi
2929
2930    if test -n "$term_h_file"; then
2931         AC_DEFINE_UNQUOTED([HAVE_TERM_H], [1],
2932                            [There is a term.h header available])
2933    fi
2934
2935    AC_DEFINE_UNQUOTED([CURSES_H_FILE], ["${curses_h_file-curses.h}"],
2936                       [The curses.h header file])
2937    AC_DEFINE_UNQUOTED([TERMCAP_H_FILE], ["${termcap_h_file-termcap.h}"],
2938                       [The termcap.h header file])
2939    AC_DEFINE_UNQUOTED([TERM_H_FILE], ["${term_h_file-term.h}"],
2940                       [The term.h header file])
2941 ],[
2942   for feature in ncurses curses termcap terminfo termlib gpm; do
2943     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2944       AC_MSG_WARN([--with-${feature} ignored:  Not valid without TTY support])
2945     fi
2946     eval "with_${feature}=\"\""
2947   done
2948 ])
2949
2950 AS_IF([test "$with_tty" != "no" -a "$have_tty" != no], [
2951         AC_DEFINE([HAVE_TTY], [1],
2952                   [Include TTY support for SXEmacs])
2953         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1],
2954                   [Include Unixoid event loop - TTY provided])
2955         SXE_ADD_SXEUITTY_OBJS([console-tty.o device-tty.o event-tty.o frame-tty.o objects-tty.o redisplay-tty.o cm.o])
2956 ])
2957
2958 AS_IF([test "$with_tty" != "no" -a "$have_tty" != no], [
2959   dnl General Purpose Mouse (libgpm) support
2960   AS_IF([test "$with_gpm" != "no"], [
2961     AC_CHECK_HEADER(gpm.h, [
2962       AC_CHECK_LIB(gpm, Gpm_Open, have_gpm=yes)])
2963     AS_IF([test "$have_gpm" = "yes"], [
2964       with_gpm=yes
2965       AC_DEFINE([HAVE_GPM], [1], [General Purpose Mouse (libgpm) is available])
2966       SXE_ADD_SXEUITTY_OBJS(gpmevent.o)
2967       SXE_PREPEND(-lgpm, LIBS) ],[ with_gpm=no ])
2968   ])
2969 ])
2970
2971 SXE_CHECK_UI_SUFFICIENCY
2972
2973 AS_IF([test -z "$window_system" -o "$window_system" = "none" ], [
2974     dnl It ought to be reasonable to have no output device at all, and only use
2975     dnl SXEmacs in --batch mode.
2976     AS_IF([test "$have_tty" = "no"],
2977        AC_MSG_ERROR([No window system nor TTY support. SXEmacs cannot be compiled.
2978 Check INSTALL and PROBLEMS files for hints on how to solve.]))
2979 ])
2980
2981 ## Uncertain options
2982 ## =================
2983 echo
2984 echo "Uncertain options"
2985 echo "================="
2986
2987 ## for native xml support one day
2988 SXE_LANG_CHECK_XML
2989 SXE_CHECK_SUFFICIENCY([libxml2], [xml language])
2990 ## for BoehmGC support one day
2991 SXE_CHECK_BDWGC
2992 SXE_CHECK_SUFFICIENCY([bdwgc], [Boehm-Demers-Weiser GC])
2993
2994 if test "$with_experimental_features_bdwgc" = "yes"; then
2995         AC_MSG_CHECKING([if bdwgc prerequisites are met])
2996         AC_MSG_RESULT([${have_bdwgc}])
2997         have_experimental_features_bdwgc=${have_bdwgc}
2998         if test "${have_bdwgc}" = "yes"; then
2999                 AC_DEFINE([EF_USE_BDWGC], [1],
3000                         [Whether to actually use the BDWGC!])
3001         fi
3002 fi
3003
3004
3005 dnl This one is for the static initializeds variables in
3006 dnl offix.c, so that the thing is dumped after lastfile.o
3007 AC_SUBST(dnd_objs)
3008
3009 dnl Autodetect dll support
3010
3011 LIBSTDCPP=
3012 AC_SUBST(LIBSTDCPP)
3013
3014
3015 ## Multimedia Options
3016 ## ==================
3017 echo
3018 echo "Multimedia Options"
3019 echo "=================="
3020
3021 dnl ----------------------
3022 dnl Graphics libraries
3023 dnl ----------------------
3024
3025 if test "$with_image_xpm" = "yes"; then
3026         SXE_MM_CHECK_XPM([have_image_xpm=yes], [have_image_xpm=no])
3027
3028         AC_MSG_CHECKING([for sufficient xpm support])
3029         if test "$have_image_xpm" = "yes"; then
3030                 AC_MSG_RESULT([yes])
3031                 AC_DEFINE([HAVE_XPM], [1], [Description here!])
3032                 SXE_PREPEND([-lXpm], [MM_LIBS])
3033         else
3034                 AC_MSG_RESULT([no])
3035                 have_image_xpm=no
3036         fi
3037 fi
3038 AM_CONDITIONAL([WITH_BDWGC],
3039         [test "$with_experimental_features_bdwgc" = "yes" -a \
3040               "$have_bdwgc" = "yes"])
3041
3042 if test "$with_image_xface" = "yes"; then
3043         SXE_MM_CHECK_XFACE([have_image_xface=yes], [have_image_xface=no])
3044
3045         AC_MSG_CHECKING([for sufficient xface support])
3046         if test "$have_image_xface" = "yes"; then
3047                 AC_MSG_RESULT([yes])
3048                 AC_DEFINE([HAVE_XFACE], [1], [dnl
3049                         Both compface.h and libcompface have been found.])
3050                 SXE_PREPEND([-lcompface], [MM_LIBS])
3051         else
3052                 AC_MSG_RESULT([no])
3053                 have_image_xface=no
3054         fi
3055 fi
3056
3057 if test "$with_image_gif" = "yes"; then
3058         SXE_MM_CHECK_GIF([have_image_gif=yes], [have_image_gif=no])
3059
3060         AC_MSG_CHECKING([for sufficient gif support])
3061         if test "$have_image_gif" = "yes"; then
3062                 AC_MSG_RESULT([yes])
3063                 AC_DEFINE([HAVE_GIF], [1], [Enable internal GIF decoding])
3064                 SXE_ADD_MM_OBJS(dgif_lib.o gif_io.o)
3065         else
3066                 AC_MSG_RESULT([no])
3067         fi
3068 fi
3069
3070 SXE_MM_SEARCH_INFLATE
3071
3072 if test "$with_image_jpeg" = "yes"; then
3073         SXE_MM_CHECK_JPEG([have_image_jpeg=yes], [have_image_jpeg=no])
3074
3075         AC_MSG_CHECKING([for sufficient jpeg support])
3076         if test "$have_image_jpeg" = "yes"; then
3077                 AC_MSG_RESULT([yes])
3078                 AC_DEFINE([HAVE_JPEG], [1], [
3079                         Both jpeglib.h and libjpeg have been found.])
3080                 SXE_PREPEND([-ljpeg], [MM_LIBS])
3081         else
3082                 AC_MSG_RESULT([no])
3083         fi
3084 fi
3085
3086 if test "$with_image_png" = "yes"; then
3087         AC_DEFINE([WITH_PNG], [1], [Define to 1 if png support is desired.])
3088         SXE_MM_CHECK_PNG([have_image_png="yes"], [have_image_png="no"])
3089
3090         SXE_MSG_CHECKING([for sufficient PNG support])
3091         SXE_MSG_RESULT([${sxe_cv_feat_png}])
3092         if test "$sxe_cv_feat_png" = "yes"; then
3093                 SXE_PREPEND_UNDUP([$PNG_CPPFLAGS], [MM_CPPFLAGS])
3094                 SXE_PREPEND_UNDUP([$PNG_LDFLAGS], [MM_LDFLAGS])
3095                 SXE_PREPEND([$PNG_LIBS], [MM_LIBS])
3096         fi
3097 fi
3098
3099 if test "$with_image_tiff" = "yes"; then
3100         SXE_MM_CHECK_TIFF([have_image_tiff=yes], [have_image_tiff=no])
3101
3102         AC_MSG_CHECKING([for sufficient TIFF support])
3103         if test "$have_image_tiff" = "yes"; then
3104                 AC_MSG_RESULT([yes])
3105                 AC_DEFINE([HAVE_TIFF], [1], [
3106                         Both tiffio.h and libtiff have been found.])
3107                 SXE_PREPEND([-ltiff], [MM_LIBS])
3108         else
3109                 AC_MSG_RESULT([no])
3110         fi
3111 fi
3112
3113 dnl Check for audio output and media stream libraries.
3114
3115 dnl internal media stream analysis support
3116 if test "$with_media_internal" != "no"; then
3117         need_media_internal=yes
3118         have_media_internal=yes
3119 fi
3120
3121 ## Since almost any of the below tests uses pkgconfig we make a
3122 ## once-for-all-times check now
3123 SXE_SEARCH_CONFIG_PROG([pkg-config])
3124 if test "$have_pkg_config" = "yes" -a -n "$with_site_prefixes"; then
3125         for dir in $with_site_prefixes; do
3126                 pkgcfg_dir="${dir}/lib/pkgconfig"
3127                 if test -n "$PKG_CONFIG_PATH"; then
3128                    PKG_CONFIG_PATH="$PKG_CONFIG_PATH":"$pkgcfg_dir"
3129                 else
3130                    PKG_CONFIG_PATH="$pkgcfg_dir"
3131                 fi
3132         done
3133         export PKG_CONFIG_PATH
3134 fi
3135
3136 dnl libsndfile support
3137 if test "$with_media_sndfile" != "no"; then
3138         SXE_MM_CHECK_SNDFILE([have_media_sndfile=yes], [have_media_sndfile=no])
3139
3140         AC_MSG_CHECKING([for sufficient sndfile support])
3141         if test "$have_media_sndfile" = "yes"; then
3142                 AC_MSG_RESULT([yes])
3143                 SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
3144                 SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags sndfile`
3145                 SNDFILE_VERSION=`$PKG_CONFIG --modversion sndfile`
3146                 SXE_PREPEND([$SNDFILE_LIBS], [MM_LIBS])
3147                 SXE_PREPEND_UNDUP([$SNDFILE_CPPFLAGS], [MM_CPPFLAGS])
3148                 SXE_ADD_MM_OBJS([media-sndfile.o])
3149                 AC_DEFINE([HAVE_SNDFILE], [1],
3150                         [Whether we appear to have support for the sndfile library!])
3151                 AC_DEFINE_UNQUOTED([SNDFILE_VERSION], [$SNDFILE_VERSION],
3152                         [Version of the sndfile library!])
3153         else
3154                 AC_MSG_RESULT([no])
3155                 have_media_sndfile=no
3156         fi
3157 fi
3158
3159 dnl libavcodec/libavformat/ffmpeg support
3160 if test "$with_media_ffmpeg" != "no"; then
3161         SXE_MM_CHECK_FFMPEG([have_media_ffmpeg=yes], [have_media_ffmpeg=no])
3162
3163         AC_MSG_CHECKING([for sufficient FFmpeg support])
3164
3165         if test "$have_media_ffmpeg" = "yes"; then
3166                 AC_MSG_RESULT([yes])
3167                 FFMPEG_LIBS=`$PKG_CONFIG --libs libavformat`
3168                 FFMPEG_CPPFLAGS=`$PKG_CONFIG --cflags libavformat`
3169                 SXE_PREPEND($FFMPEG_LIBS, MM_LIBS)
3170                 SXE_PREPEND_UNDUP($FFMPEG_CPPFLAGS, MM_CPPFLAGS)
3171                 SXE_ADD_MM_OBJS([media-ffmpeg.o])
3172                 AC_DEFINE([HAVE_FFMPEG], [1], [Description here!])
3173         else
3174                 AC_MSG_RESULT([no])
3175                 have_media_ffmpeg=no
3176         fi
3177 fi
3178
3179 dnl sox support
3180 if test "$with_media_sox" != "no"; then
3181         SXE_MM_CHECK_SOX([have_media_sox=yes], [have_media_sox=no])
3182
3183         AC_MSG_CHECKING([for sufficient SoX support])
3184         if test "$sxe_cv_feat_sox" = "yes"; then
3185                 AC_MSG_RESULT([yes])
3186                 SXE_ADD_MM_OBJS([media-sox.o])
3187                 SXE_PREPEND_UNDUP([$sox_cppflags], [MM_CPPFLAGS])
3188                 SXE_PREPEND_UNDUP([$sox_ldflags], [MM_LDFLAGS])
3189                 SXE_PREPEND([$sox_libs], [MM_LIBS])
3190                 AC_DEFINE([HAVE_SOX], [1], [Description here!])
3191         else
3192                 AC_MSG_RESULT(no)
3193                 have_media_sox=no
3194         fi
3195 fi
3196
3197 dnl mad support
3198 if test "$with_media_mad" != "no"; then
3199         SXE_MM_CHECK_MAD([have_media_mad=yes], [have_media_mad=no])
3200
3201         AC_MSG_CHECKING([for sufficient mad support])
3202         if test "$have_media_mad" = "yes"; then
3203                 AC_MSG_RESULT([yes])
3204                 SXE_ADD_MM_OBJS([media-mad.o])
3205                 SXE_PREPEND([-lmad], [MM_LIBS])
3206                 AC_DEFINE([HAVE_MAD], [1], [Description here!])
3207         else
3208                 AC_MSG_RESULT(no)
3209                 have_media_mad=no
3210         fi
3211 fi
3212
3213 ## file/libmagic support
3214 if test "$with_media_magic" != "no"; then
3215         SXE_MM_CHECK_MAGIC([have_media_magic=yes], [have_media_magic=no])
3216
3217         AC_MSG_CHECKING([for sufficient magic support])
3218         if test "$have_media_magic" = "yes"; then
3219                 AC_MSG_RESULT([yes])
3220                 SXE_ADD_MM_OBJS([media-magic.o])
3221                 SXE_PREPEND([-lmagic], [MM_LIBS])
3222                 AC_DEFINE([HAVE_MAGIC], [1], [Whether libmagic is available])
3223         else
3224                 AC_MSG_RESULT([no])
3225                 have_media_magic=no
3226         fi
3227 fi
3228
3229
3230 dnl Autodetect OSS sound
3231 AS_MESSAGE([checking for OSS sound support])
3232 dnl test -z "$with_sound_oss" -a -n "$with_oss_sound_lib" && with_sound_oss=yes
3233
3234 dnl Check for Linux/BSD sound (called OSS)
3235 if test "$with_sound_oss" != "no"; then
3236         SXE_MM_CHECK_OSS([have_sound_oss=yes], [have_sound_oss=no])
3237
3238         AC_MSG_CHECKING([for sufficient OSS support])
3239         if test "$have_sound_oss" = "yes"; then
3240                 AC_MSG_RESULT([yes])
3241                 SXE_ADD_MM_OBJS([sound-oss.o])
3242                 AC_DEFINE([HAVE_INTERNAL_SOUND], [1], [Description here!])
3243                 AC_DEFINE([HAVE_OSS_SOUND], [1], [Description here!])
3244         else
3245                 AC_MSG_RESULT([no])
3246                 have_sound_oss=yes
3247         fi
3248 fi
3249
3250 dnl NAS Sound support
3251 if test "$with_sound_nas" != "no"; then
3252         SXE_MM_CHECK_NAS([have_sound_nas=yes], [have_sound_nas=no])
3253
3254         AC_MSG_CHECKING([for sufficient NAS support])
3255         if test "$have_sound_nas" = "yes"; then
3256                 AC_MSG_RESULT([yes])
3257                 AC_DEFINE([HAVE_NAS_SOUND], [1], [Description here!])
3258                 SXE_ADD_MM_OBJS([sound-nas.o])
3259                 SXE_PREPEND([-laudio], [MM_LIBS])
3260         else
3261                 AC_MSG_RESULT([no])
3262                 have_nas_sound=no
3263         fi
3264 fi
3265
3266 dnl ESD Sound support
3267 if test "$with_sound_esd" != "no"; then
3268         SXE_MM_CHECK_ESD([have_sound_esd=yes], [have_sound_esd=no])
3269
3270         AC_MSG_CHECKING([for sufficient ESD support])
3271         if test "$have_sound_esd" = "yes"; then
3272                 AC_MSG_RESULT([yes])
3273                 need_internal_media=yes
3274                 SXE_ADD_MM_OBJS([sound-esd.o])
3275                 ESD_LIBS=$("${ESD_CONFIG}" --libs)
3276                 SXE_PREPEND(["${ESD_LIBS}"], [MM_LIBS])
3277                 AC_DEFINE([HAVE_ESD_SOUND], [1], [Description here!])
3278         else
3279                 AC_MSG_RESULT([no])
3280                 have_esd_sound=no
3281         fi
3282 fi
3283
3284 dnl PulseAudio Sound support
3285 if test "$with_sound_pulse" != "no"; then
3286         SXE_MM_CHECK_PULSE([have_sound_pulse=yes], [have_sound_pulse=no])
3287
3288         AC_MSG_CHECKING([for sufficient PulseAudio support])
3289         if test "$have_sound_pulse" = "yes"; then
3290                 AC_MSG_RESULT([yes])
3291                 need_internal_media=yes
3292                 SXE_ADD_MM_OBJS([sound-pulse.o])
3293                 SXE_PREPEND($PULSE_LIBS, MM_LIBS)
3294                 SXE_PREPEND_UNDUP($PULSE_CFLAGS, MM_CPPFLAGS)
3295                 AC_DEFINE([HAVE_PULSE_SOUND], [1],
3296                         [Whether to put in support for PulseAudio.])
3297         else
3298                 AC_MSG_RESULT(no)
3299                 have_sound_pulse=no
3300         fi
3301 fi
3302
3303 dnl Jack Sound support
3304 if test "$with_sound_jack" != "no"; then
3305         SXE_MM_CHECK_JACK([have_sound_jack=yes], [have_sound_jack=no])
3306
3307         AC_MSG_CHECKING([for sufficient Jack support])
3308         if test "$have_sound_jack" = "yes"; then
3309                 AC_MSG_RESULT([yes])
3310                 dnl okay, we have Jack on the system, but we have no working
3311                 dnl interface to it :(
3312                 JACK_LIBS=`$PKG_CONFIG --libs jack`
3313                 JACK_VERSION=`$PKG_CONFIG --modversion jack`
3314                 need_internal_media=yes
3315                 SXE_ADD_MM_OBJS([sound-jack.o])
3316                 SXE_PREPEND([$JACK_LIBS], [MM_LIBS])
3317                 AC_DEFINE([HAVE_JACK_SOUND], [1], [Description here!])
3318                 AC_DEFINE_UNQUOTED([JACK_VERSION], [$JACK_VERSION],
3319                         [Description here!])
3320         else
3321                 AC_MSG_RESULT(no)
3322         fi
3323 fi
3324
3325 dnl alsa sound support
3326 if test "$with_sound_alsa" != "no"; then
3327         SXE_MM_CHECK_ALSA([have_sound_alsa=yes], [have_sound_alsa=no])
3328
3329         AC_MSG_CHECKING([for sufficient ALSA support])
3330         if test "$have_sound_alsa" = "yes"; then
3331                 AC_MSG_RESULT([yes])
3332                 SXE_ADD_MM_OBJS([sound-alsa.o])
3333                 SXE_PREPEND([-lasound], [MM_LIBS])
3334         else
3335                 AC_MSG_RESULT(no)
3336                 have_sound_alsa=no
3337         fi
3338 fi
3339
3340 dnl libao sound support
3341 if test "$with_sound_ao" != "no"; then
3342         SXE_MM_CHECK_AO([have_sound_ao=yes], [have_sound_ao=no])
3343
3344         AC_MSG_CHECKING([for sufficient AO support])
3345         if test "$have_sound_ao" = "yes"; then
3346                 AC_MSG_RESULT([yes])
3347                 AO_LIBS=`$PKG_CONFIG --libs ao`
3348                 ao_version=`$PKG_CONFIG --modversion ao`
3349                 SXE_ADD_MM_OBJS([sound-ao.o])
3350                 SXE_PREPEND($AO_LIBS, MM_LIBS)
3351                 AC_DEFINE([HAVE_AO_SOUND], [1], [Description here!])
3352                 AC_DEFINE_UNQUOTED([AO_VERSION], [$ao_version], [Description here!])
3353         else
3354                 AC_MSG_RESULT(no)
3355                 have_sound_ao=no
3356         fi
3357 fi
3358
3359 if test \
3360    "$have_sound_alsa \
3361     $have_sound_ao \
3362     $have_sound_esd \
3363     $have_sound_jack \
3364     $have_sound_nas \
3365     $have_sound_pulse" != "no no no no no no"; then
3366         AC_DEFINE([HAVE_AUDIO], [1], [Description here!])
3367 fi
3368 if test "$need_internal_media" = "yes"; then
3369         with_internal_media=yes
3370         AC_DEFINE([HAVE_INTERNAL_MEDIA], [1], [Description here!])
3371         SXE_ADD_MM_OBJS([media-internal.o])
3372 fi
3373 AC_SUBST([MM_LIBS])
3374 AC_SUBST([MM_CPPFLAGS])
3375 AC_SUBST([MM_LDFLAGS])
3376 SXE_SUBST_MM_OBJS
3377
3378
3379 ## Internationalisation Options
3380 ## ============================
3381 echo
3382 echo "Internationalisation Options"
3383 echo "============================"
3384
3385 dnl ----------------------
3386 dnl Mule-dependent options
3387 dnl ----------------------
3388
3389 dnl if test "$with_mule" = "yes" && test ! -d "$sxe_srcdir/lisp/mule"; then
3390 dnl     echo "Attempt to Build with Mule without Mule/Lisp"
3391 dnl     echo "Please install the SXEmacs/Mule tarball or"
3392 dnl     echo "rerun configure with --with-mule=no"
3393 dnl     exit 1
3394 dnl fi
3395
3396 if test "$with_file_coding" = "yes" && test "$with_mule" = "no"; then
3397   AC_DEFINE([FILE_CODING], [1], [Description here!])
3398   SXE_ADD_MULE_OBJS(file-coding.o)
3399 fi
3400
3401 if test "$with_mule" = "yes" ; then
3402         SXE_CHECK_MULE
3403
3404 else dnl "$with_mule" = "no"
3405         for feature in xim canna wnn; do
3406                 if eval "test -n \"\$with_${feature}\" -a \
3407                         \"\$with_${feature}\" != no" ; then
3408                         AC_MSG_WARN([--with-${feature} ignored:  Not valid without Mule support])
3409                 fi
3410                 eval "with_${feature}=no"
3411         done
3412 fi dnl with_mule
3413 SXE_SUBST_MULE_OBJS
3414 AM_CONDITIONAL([WITH_MULE], [test "$with_mule" = "yes"])
3415
3416
3417 dnl At this point, we know whether we need the motif lib or not.
3418 if test "$need_motif" = "yes" ; then
3419         SXE_PREPEND([-lXm], [libs_x])
3420         dnl AIX needs the following library for use with Motif
3421         AC_CHECK_LIB([i18n], [layout_object_getvalue])
3422         if test "$ac_cv_lib_i18n_layout_object_getvalue" = "yes"; then
3423                 SXE_PREPEND([-li18n], [libs_x])
3424         fi
3425 fi
3426
3427 dnl getaddrinfo() is borked under hpux11
3428 if test "$ac_cv_func_getaddrinfo" != "no" ; then
3429   case "$opsys" in
3430     hpux11 )
3431       AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
3432       ac_cv_func_getaddrinfo=no
3433       ;;
3434   esac
3435 fi
3436
3437
3438 ## Database Options
3439 ## ================
3440 echo
3441 echo "Database Options"
3442 echo "================"
3443
3444 dnl Database support
3445 dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
3446 dnl On FreeBSD, both DB and DBM are part of libc.
3447 dnl By default, we check for DBM support in libgdbm, then libc, then libdbm.
3448
3449 ## initialise values
3450 have_database_berkdb=no
3451 have_database_gdbm=no
3452 have_database_dbm=no
3453
3454 if test "$with_database_gdbm $with_database_dbm $with_database_berkdb" \
3455    != "no no no"; then
3456         AS_MESSAGE(checking for database support)
3457 fi
3458
3459 dnl Check for ndbm.h, required for either kind of DBM support.
3460 if test "$with_database_gdbm $with_database_dbm" != "no no"; then
3461         SXE_CHECK_NDBM
3462         if test "$sxe_cv_feat_ndbm" = "no"; then
3463                 have_database_gdbm="no"
3464                 have_database_dbm="no"
3465         fi
3466 fi
3467
3468 dnl Check for DBM support in libgdbm or libgdbm_compat.
3469 if test "$with_database_gdbm" != "no"; then
3470         SXE_CHECK_GDBM
3471
3472         if test "$sxe_cv_feat_gdbm" = "yes"; then
3473                 have_database_gdbm="yes"
3474         else
3475                 have_database_gdbm="no"
3476         fi
3477 fi
3478
3479 dnl Check for DBM support in libc and libdbm.
3480 if test "$with_database_dbm" != "no"; then
3481         SXE_CHECK_DBM
3482
3483         if test "$sxe_cv_feat_gdbm" != "yes" -a \
3484                 "$sxe_cv_feat_dbm" = "yes"; then
3485                 have_database_dbm="yes"
3486         else
3487                 have_database_dbm="no"
3488         fi
3489 fi
3490
3491 dnl Check for Berkeley DB.
3492 if test "$with_database_berkdb" != "no"; then
3493         SXE_CHECK_BERKDB
3494
3495         if test "$sxe_cv_feat_berkdb" = "yes"; then
3496                 have_database_berkdb="yes"
3497         else
3498                 have_database_berkdb="no"
3499         fi
3500 fi
3501
3502 if test "$have_database_gdbm $have_database_dbm $have_database_berkdb" \
3503      != "no no no"; then
3504         AC_DEFINE([HAVE_DATABASE], [1], [Description here!])
3505         SXE_ADD_DB_OBJS([database.o])
3506
3507         SXE_CHECK_NDBM_BERKDB_CONFLICT
3508         if test "$sxe_cv_db_ndbm_berkdb_conflict" = "yes"; then
3509                 ## can't do nothing because the way we designed it
3510                 ## is going to conflict at compile time
3511                 have_database_gdbm="no"
3512                 have_database_dbm="no"
3513
3514         elif test "$have_database_gdbm $have_database_dbm" != "no no"; then
3515                 AC_DEFINE([HAVE_DBM], [1], [Description here!])
3516
3517                 ## Also, tell make about the DBM support we detected.
3518                 if test -n "$libdbm"; then
3519                         SXE_PREPEND([$libdbm], [DB_LIBS])
3520                 fi
3521         fi
3522 fi
3523
3524
3525 dnl Autodetect LDAP
3526 if test "$with_ldap" != "no"; then
3527         SXE_CHECK_LDAP
3528 fi
3529 if test "$have_ldap" = "yes"; then
3530         AC_DEFINE([HAVE_LDAP], [1], [Description here!])
3531         SXE_ADD_DB_OBJS(eldap.o)
3532         if test "$have_ldap_des" = "yes" ; then
3533                 SXE_PREPEND(-ldes, DB_LIBS)
3534         fi
3535         if test "$have_ldap_krb" = "yes" ; then
3536                 SXE_PREPEND(-lkrb, DB_LIBS)
3537         fi
3538         if test "$have_ldap_lber" = "yes" ; then
3539                 SXE_PREPEND(-llber, DB_LIBS)
3540         fi
3541         SXE_PREPEND(-lldap, DB_LIBS)
3542
3543         dnl save our values until here
3544         save_LIBS="$LIBS"
3545         LIBS="$DB_LIBS $LIBS"
3546         AC_CHECK_FUNCS(
3547                 [ldap_set_option ldap_get_lderrno ldap_result2error ldap_parse_result])
3548         dnl and restore
3549         LIBS="$save_LIBS"
3550 fi
3551
3552 dnl Autodetect PostgreSQL
3553 if test "x$with_postgresql" != "xno"; then
3554         SXE_CHECK_POSTGRESQL
3555 fi
3556 SXE_SUBST_DB_OBJS
3557
3558
3559 dnl Usage tracking (undocumented and likely unused option)
3560 if test "$usage_tracking" = "yes"; then
3561   AC_DEFINE([USAGE_TRACKING], [1], [Description here!])
3562   SXE_PREPEND(-Bstatic -lut -Bdynamic, LIBS)
3563 fi
3564
3565 dnl Unfortunately, just because we can link doesn't mean we can run.
3566 dnl One of the above link tests may have succeeded but caused resulting
3567 dnl executables to fail to run.  Also any tests using AC_RUN_IFELSE will
3568 dnl have reported incorrect results.
3569 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int c,char *v[]){return 0;}]])],[:],[
3570   echo ""
3571   echo "*** PANIC *** The C compiler can no longer build working executables."
3572   echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
3573   echo "*** PANIC *** The most likely reason for this problem is that configure"
3574   echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
3575   echo "*** PANIC *** found at run time."
3576   echo "*** PANIC ***"
3577   echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
3578   echo "*** PANIC *** On other systems, try telling configure where to find the"
3579   echo "*** PANIC *** shared libraries using the --with-site-runtime-libraries option"
3580   echo "*** PANIC ***"
3581   echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
3582   echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
3583   echo "*** PANIC *** on your system.  Don't do that."
3584   exit 1], [AS_MESSAGE(cannot cross-compile)])
3585
3586 dnl Process support
3587 AC_DEFINE([HAVE_UNIX_PROCESSES], [1], [Description here!])
3588
3589 dnl --------------------------------
3590 dnl Compute SUBST-itutable variables
3591 dnl --------------------------------
3592
3593 dnl We ignore (C|LD)_SWITCH_X_(MACHINE|SYSTEM)
3594 dnl Use SXE_CONSECUTIVE_UNDUP instead of plain assignment statements to remove extraneous blanks
3595 if test "$with_module_support" = "yes"; then
3596         ld_libs_module=
3597 else
3598         SXE_CONSECUTIVE_UNDUP(ld_libs_module, $ldap_libs $postgresql_libs)
3599 fi
3600
3601 SXE_UNDUP(CFLAGS, $CFLAGS)
3602 SXE_UNDUP(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system $CFLAGS $CPPFLAGS)
3603 SXE_UNDUP(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
3604 SXE_UNDUP(c_switch_all, $c_switch_general $c_switch_window_system)
3605 SXE_UNDUP(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
3606 SXE_UNDUP(ld_switch_window_system, $ld_switch_x_site)
3607 SXE_UNDUP(ld_switch_all, $ld_switch_general $ld_switch_window_system)
3608 dnl Since some systems need libs to be restated later, we can't just dedup, we can only safely dedup
3609 dnl consecutive occurrences
3610 SXE_CONSECUTIVE_UNDUP(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
3611 SXE_CONSECUTIVE_UNDUP(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
3612 SXE_CONSECUTIVE_UNDUP(ld_libs_all, $OPENSSL_LIBS $DB_LIBS $ENT_LIBS $MM_LIBS $ld_libs_window_system $ld_libs_general $ld_libs_module)
3613
3614 dnl For no-module builds, make the src dir last
3615 if test "$with_module_support" = "no"; then
3616         SXE_APPEND(src, MAKE_SUBDIR)    dnl is that still important?
3617 fi
3618
3619 EMACS=$sxe_blddir/src/$PROGNAME
3620 AC_SUBST(EMACS)
3621
3622 dnl Compute lists of Makefiles and subdirs
3623 AC_SUBST(SRC_SUBDIR_DEPS)
3624 internal_makefile_list="Makefile.in"
3625 SUBDIR_MAKEFILES=''
3626 test -d lock || mkdir lock
3627 for dir in $MAKE_SUBDIR; do
3628   case "$dir" in */* ) dnl Implement mkdir -p
3629     ( for d in `echo $dir | sed 's:/: :g'` ; do
3630         test -d "$d" || mkdir "$d"; cd "$d"
3631       done ) ;;
3632    * ) test -d "$dir" || mkdir "$dir" ;;
3633   esac
3634   SXE_SPACE(SUBDIR_MAKEFILES, $SUBDIR_MAKEFILES $dir/Makefile $dir/Makefile)
3635   SXE_SPACE(internal_makefile_list, $internal_makefile_list $dir/Makefile.in)
3636 done
3637
3638 AC_SUBST(INSTALL_ARCH_DEP_SUBDIR)
3639 AC_SUBST(MAKE_SUBDIR)
3640 AC_SUBST(MAKE_AM_SUBDIR)
3641 AC_SUBST(SUBDIR_MAKEFILES)
3642
3643 dnl ----------------------------------------------
3644 dnl Create some auxiliary files for developers.
3645 dnl ----------------------------------------------
3646
3647 dnl Create a useful TAGS file
3648 if test -f "$sxe_srcdir/TAGS" -a ! -f "TAGS"; then
3649   test "$extra_verbose" = "yes" && echo "creating TAGS"
3650   echo "\f
3651 $sxe_srcdir/TAGS,include" > "TAGS"
3652 fi
3653
3654 dnl Create top level .sbinit for Sun compilers
3655 if test "$__SUNPRO_C" = "yes"; then
3656   test "$extra_verbose" = "yes" && echo "creating .sbinit"
3657   ( echo "# For use with Sun WorkShop's Source browser."
3658     echo "# See sbquery(1) and sbinit(4) for more information"
3659     for dir in $MAKE_SUBDIR; do echo "import $dir"; done
3660   ) > .sbinit
3661 fi
3662
3663 ### whether to build with profile.o
3664 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3665 int main(int c, char *v[])
3666 {
3667 #ifdef HAVE_SETITIMER
3668         return 1;
3669 #else
3670         return 0;
3671 #endif
3672 }]])], [./conftest; have_setitimer=$?],
3673         [have_setitimer=$?],[have_setitimer=0])
3674 AM_CONDITIONAL([HAVE_SETITIMER], [test "$have_setitimer" = "1"])
3675
3676
3677 dnl There are no more compile tests; remove the core they created.
3678 rm -f core
3679
3680 dnl --------------------------------------------------
3681 dnl Substitute into Makefile, config.h and sxe-paths.h
3682 dnl --------------------------------------------------
3683
3684 dnl what sort of things to edit into Makefile, config.h and sxe-paths.h
3685 dnl configuration here uncanonicalized to avoid exceeding size limits.
3686
3687 AC_SUBST(PROGNAME)
3688 AC_SUBST(MULE)
3689 AC_SUBST(HAVE_LIBFFI)
3690 AC_SUBST(version)
3691 AC_SUBST(VERSION)
3692 AC_SUBST(old_version)
3693 AC_SUBST(inststaticdir)
3694 AC_SUBST(instvardir)
3695 AC_SUBST(instvarsepdir)
3696 AC_SUBST(sxe_srcdir)
3697 AC_SUBST(emodsrcdir)
3698 AC_SUBST(sxe_blddir)
3699 AC_SUBST(emodblddir)
3700 AC_SUBST(bindir)
3701 AC_SUBST(datarootdir)
3702 AC_SUBST(datadir)
3703 AC_SUBST(statedir)
3704 AC_SUBST(libdir)
3705 AC_SUBST(mandir)
3706 AC_SUBST(extra_includes)
3707
3708 AC_SUBST(prefix)
3709 AC_SUBST(PREFIX_USER_DEFINED)
3710 dnl Yo, Stephen Bourne!  I want to marry you!
3711 PREFIX=$prefix
3712 while true; do
3713   case "$PREFIX" in
3714     *\$* ) eval "PREFIX=\"${PREFIX}\"" ;;
3715     *) break ;;
3716   esac
3717 done
3718 AC_SUBST(PREFIX)
3719
3720 AC_SUBST(exec_prefix)
3721 AC_SUBST(EXEC_PREFIX_USER_DEFINED)
3722 EXEC_PREFIX=$exec_prefix
3723 while true; do
3724   case "$EXEC_PREFIX" in
3725     *\$* ) eval "EXEC_PREFIX=\"${EXEC_PREFIX}\"" ;;
3726     *) break ;;
3727   esac
3728 done
3729 AC_SUBST(EXEC_PREFIX)
3730
3731 AC_SUBST(infodir)
3732 AC_SUBST(INFODIR_USER_DEFINED)
3733 INFODIR=$infodir
3734 while true; do
3735   case "$INFODIR" in
3736     *\$* ) eval "INFODIR=\"${INFODIR}\"" ;;
3737     *) break ;;
3738   esac
3739 done
3740 AC_SUBST(INFODIR)
3741
3742 AC_SUBST(infopath,$with_infopath)
3743 AC_SUBST(INFOPATH_USER_DEFINED)
3744 INFOPATH=$with_infopath
3745 while true; do
3746   case "$INFOPATH" in
3747     *\$* ) eval "INFOPATH=\"${INFOPATH}\"" ;;
3748     *) break ;;
3749   esac
3750 done
3751 AC_SUBST(INFOPATH)
3752
3753 if test -z "$with_module_path"; then
3754     with_module_path="~/.sxemacs/${configuration}/modules:${libdir}/${PROGNAME}/${configuration}/site-modules:${libdir}/${instvardir}/${configuration}/modules"
3755 fi
3756
3757 AC_SUBST(module_path,$with_module_path)
3758 AC_SUBST(MODULE_PATH_USER_DEFINED)
3759 MODULE_PATH=$with_module_path
3760 while true; do
3761   case "$MODULE_PATH" in
3762     *\$* ) eval "MODULE_PATH=\"${MODULE_PATH}\"" ;;
3763     *) break ;;
3764   esac
3765 done
3766 AC_SUBST(MODULE_PATH)
3767
3768 if test -z "$with_package_prefix" ; then
3769   with_package_prefix=${prefix}/share/sxemacs
3770 fi
3771
3772 if test -z "$with_package_path" && test -n "$with_package_prefix" ; then
3773   if test "$with_mule" = "yes" ; then
3774     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages:~/.sxemacs/mule-packages"
3775     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages:${with_package_prefix}/mule-packages"
3776   else
3777     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages"
3778     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages"
3779   fi
3780 fi
3781
3782 AC_SUBST(package_path,$with_package_path)
3783 AC_SUBST(PACKAGE_PATH_USER_DEFINED)
3784 PACKAGE_PATH=$with_package_path
3785 while true; do
3786   case "$PACKAGE_PATH" in
3787     *\$* ) eval "PACKAGE_PATH=\"${PACKAGE_PATH}\"" ;;
3788     *) break ;;
3789   esac
3790 done
3791 AC_SUBST(PACKAGE_PATH)
3792
3793 AC_SUBST(lispdir, $with_lispdir)
3794 AC_SUBST(LISPDIR_USER_DEFINED)
3795 LISPDIR=$with_lispdir
3796 while true; do
3797   case "$LISPDIR" in
3798     *\$* ) eval "LISPDIR=\"${LISPDIR}\"" ;;
3799     *) break ;;
3800   esac
3801 done
3802 AC_SUBST(LISPDIR)
3803
3804 AC_SUBST(moduledir,$with_moduledir)
3805 AC_SUBST(MODULEDIR_USER_DEFINED)
3806 MODULEDIR=$with_moduledir
3807 while true; do
3808   case "$MODULEDIR" in
3809     *\$* ) eval "MODULEDIR=\"${MODULEDIR}\"" ;;
3810     *) break ;;
3811   esac
3812 done
3813 AC_SUBST(MODULEDIR)
3814
3815 AC_SUBST([sitelispdir], [$with_sitelispdir])
3816 AC_SUBST([SITELISPDIR_USER_DEFINED])
3817 SITELISPDIR=$sitelispdir
3818 while true; do
3819   case "$SITELISPDIR" in
3820     *\$* ) eval "SITELISPDIR=\"${SITELISPDIR}\"" ;;
3821     *) break ;;
3822   esac
3823 done
3824 AC_SUBST(SITELISPDIR)
3825
3826 AC_SUBST(sitemoduledir,$with_sitemoduledir)
3827 AC_SUBST(SITEMODULEDIR_USER_DEFINED)
3828 SITEMODULEDIR=$with_sitemoduledir
3829 while true; do
3830   case "$SITEMODULEDIR" in
3831     *\$* ) eval "SITEMODULEDIR=\"${SITEMODULEDIR}\"" ;;
3832     *) break ;;
3833   esac
3834 done
3835 AC_SUBST(SITEMODULEDIR)
3836
3837 AC_SUBST(etcdir,$with_etcdir)
3838 AC_SUBST(ETCDIR_USER_DEFINED)
3839 ETCDIR=$with_etcdir
3840 while true; do
3841   case "$ETCDIR" in
3842     *\$* ) eval "ETCDIR=\"${ETCDIR}\"" ;;
3843     *) break ;;
3844   esac
3845 done
3846 AC_SUBST(ETCDIR)
3847
3848 AC_SUBST(archlibdir,$with_archlibdir)
3849 AC_SUBST(ARCHLIBDIR_USER_DEFINED)
3850 ARCHLIBDIR=$with_archlibdir
3851 while true; do
3852   case "$ARCHLIBDIR" in
3853     *\$* ) eval "ARCHLIBDIR=\"${ARCHLIBDIR}\"" ;;
3854     *) break ;;
3855   esac
3856 done
3857 AC_SUBST(ARCHLIBDIR)
3858
3859 AC_SUBST(docdir,$with_docdir)
3860 AC_SUBST(DOCDIR_USER_DEFINED)
3861 DOCDIR=$with_docdir
3862 while true; do
3863   case "$DOCDIR" in
3864     *\$* ) eval "DOCDIR=\"${DOCDIR}\"" ;;
3865     *) break ;;
3866   esac
3867 done
3868 AC_SUBST(DOCDIR)
3869
3870 AC_SUBST(docdir)
3871 AC_SUBST(bitmapdir)
3872
3873 dnl The following flags combine all the information from:
3874 dnl - command line options (user always gets priority)
3875 dnl - user environment variables
3876 dnl - determined by configure
3877 dnl - the s&m header files (required for ellcc)
3878 AC_SUBST(machfile)
3879 AC_SUBST(opsysfile)
3880 AC_SUBST(c_switch_general)
3881 AC_SUBST(c_switch_window_system)
3882 AC_SUBST(c_switch_all)
3883 AC_SUBST(ld_switch_general)
3884 AC_SUBST(ld_switch_window_system)
3885 AC_SUBST(ld_switch_all)
3886 AC_SUBST(ld_libs_general)
3887 AC_SUBST(ld_libs_window_system)
3888 AC_SUBST(ld_libs_all)
3889 AC_SUBST(CFLAGS)
3890 AC_SUBST(CPPFLAGS)
3891 AC_SUBST(LDFLAGS)
3892 RECURSIVE_MAKE_ARGS="\$(MFLAGS) CC='\$(CC)' CFLAGS='\$(CFLAGS)' LDFLAGS='\$(LDFLAGS)' CPPFLAGS='\$(CPPFLAGS)'"
3893 if test -z "$MAKE"; then
3894         MAKE=make
3895 fi
3896 case `$MAKE --version 2>/dev/null` in
3897    GNU\ Make*)
3898         AM_MAKEFLAGS="-w $AM_MAKEFLAGS"
3899         RECURSIVE_MAKE_ARGS="-w $RECURSIVE_MAKE_ARGS"
3900    ;;
3901    *)
3902         echo ===================================
3903         echo $MAKE does not seem to be GNU Make
3904         echo If you find makefile errors please try using GNU Make as some
3905         echo autoconf constructs may not be proper for your make variant
3906         echo ===================================
3907    ;;
3908 esac
3909 AC_SUBST(RECURSIVE_MAKE_ARGS)
3910 AC_SUBST(AM_MAKEFLAGS)
3911
3912 AC_SUBST(sound_cflags)
3913 AC_SUBST(AR)
3914 AC_SUBST(RANLIB)
3915
3916 AC_SUBST(SXEMACS_CC)
3917 AC_SUBST(SXE_CFLAGS)
3918
3919 SXE_SUBST_CORE_OBJS()
3920
3921 SXE_SUBST_CRUFT_OBJS
3922
3923 dnl The default is yes
3924 if test "$with_prefix" = "yes"; then
3925   AC_DEFINE([PREFIX_USER_DEFINED], [1], [Description here!])
3926 fi
3927
3928 dnl Should this stay even though --with-site-modules is no longer an
3929 dnl option?  It is used in emacs.c for when the -no-site-modules cmd line
3930 dnl opt is used.  That cmd line opt definitely has usefullness.  Sebastian?
3931 dnl --SY.
3932 dnl The default is yes
3933 if test "$with_site_modules" = "no"; then
3934   AC_DEFINE([INHIBIT_SITE_MODULES], [1], [Description here!])
3935 fi
3936
3937 dnl SXE_SPACE(ac_configure_args, $ac_configure_args)
3938 AC_DEFINE_UNQUOTED([EMACS_CONFIGURATION], ["$ac_cv_build"], [Description here!])
3939 AC_DEFINE_UNQUOTED([EMACS_CONFIG_OPTIONS], ["$ac_configure_args"], [Description here!])
3940
3941 AC_SUBST([srcdir_equals_blddir_p])
3942
3943 dnl Following are deprecated
3944 null_string=""
3945 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE], [$null_string], [Description here!])
3946 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE_AUX], [$null_string], [Description here!])
3947 AC_DEFINE_UNQUOTED([C_SWITCH_X_SITE], [$null_string], [Description here!])
3948 AC_DEFINE_UNQUOTED([LD_SWITCH_SITE], [$null_string], [Description here!])
3949 AC_DEFINE_UNQUOTED([C_SWITCH_SITE], [$null_string], [Description here!])
3950
3951 dnl Note: as a general rule, *only* define things here that are not
3952 dnl autodetected.  For things that are autodetected, define them
3953 dnl at the point where the autodetection occurs or would occur,
3954 dnl so that the user gets immediate feedback on the results of the
3955 dnl autodetection.
3956
3957 if test "$GNU_MALLOC" = "yes"; then
3958         AC_DEFINE([GNU_MALLOC], [1], [Description here!])
3959         SXE_ADD_MEMALLOC_OBJS(vm-limit.o)
3960         if test "$doug_lea_malloc" != "yes"; then
3961                 SXE_ADD_MEMALLOC_OBJS(gmalloc.o)
3962         fi
3963         if test "$with_error_checking_malloc" = "yes"; then
3964                 dnl SXE_ADD_MEMALLOC_OBJS(free-hook.o)
3965                 :
3966         fi
3967 elif test "$with_system_malloc" = "yes" -o "$system_malloc" = "yes"; then
3968         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3969         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3970 elif test "$with_debug_malloc"  = "yes"; then
3971         AC_DEFINE([USE_DEBUG_MALLOC], [1], [Description here!])
3972         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3973         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3974         SXE_APPEND(-ldmalloc, MEMALLOC_LIBS)
3975 else
3976         SXE_ADD_MEMALLOC_OBJS([malloc.o])
3977 fi
3978 test "$GCC" = "yes" && \
3979         AC_DEFINE([USE_GCC], [1], [Description here!])
3980 test "$with_external_widget" = "yes" && \
3981         AC_DEFINE([EXTERNAL_WIDGET], [1], [Description here!])
3982 test "$with_quick_build" = "yes" && \
3983         AC_DEFINE([QUICK_BUILD], [1], [Description here!])
3984 if test "$with_purify" = "yes"; then
3985         AC_DEFINE([PURIFY], [1], [Description here!])
3986         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3987 fi
3988 if test "$with_quantify" = "yes"; then
3989         AC_DEFINE([QUANTIFY], [1], [Description here!])
3990         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3991 fi
3992 test "$with_pop" = "yes" && \
3993         AC_DEFINE([MAIL_USE_POP], [1], [Description here!])
3994 test "$with_hesiod" = "yes" && \
3995         AC_DEFINE([HESIOD], [1], [Description here!])
3996 test "$with_regex_malloc" = "yes" && \
3997         AC_DEFINE([REGEX_MALLOC], [1], [Description here!])
3998 test "$with_ipv6_cname" = "yes" && \
3999         AC_DEFINE([IPV6_CANONICALIZE], [1], [Description here!])
4000 if test "$with_pdump" = "yes"; then
4001         AC_DEFINE([PDUMP], [1], [Description here!])    dnl deprecated!
4002         AC_DEFINE([WITH_PDUMP], [1], [Description here!])
4003 fi
4004
4005 AM_CONDITIONAL([WITH_EXTW], [test "$with_external_widget" = "yes"])
4006 AM_CONDITIONAL([WITH_PDUMP], [test "$with_pdump" = "yes"])
4007 AC_SUBST([MEMALLOC_LIBS])
4008 SXE_SUBST_MEMALLOC_OBJS
4009
4010
4011 AC_DEFINE_UNQUOTED([USER_FULL_NAME], [pw->pw_gecos], [dnl
4012         USER_FULL_NAME returns a string that is the user's full name.
4013         It can assume that the variable `pw' points to the password file
4014         entry for this user.
4015
4016         At some sites, the pw_gecos field contains the user's full name.
4017         If neither this nor any other field contains the right thing, use
4018         pw_name, giving the user's login name, since that is better than
4019         nothing.])
4020
4021 AC_DEFINE([SIGTYPE], [RETSIGTYPE], [SIGTYPE is the macro we actually use])
4022 AC_DEFINE([SIGRETURN], [return], [SIGTYPE is the macro we actually use])
4023
4024 ## finally, redefine VERSION; this has to be done after all tests on C sources
4025 ## were run because otherwise the symbol VERSION would be defined twice and
4026 ## the C compiler would warn, sigh, and due to this stupid -Werror flag we ...
4027 ## tadadada ... will fail to run _any_ C test successfully
4028 AC_DEFINE_UNQUOTED([VERSION], ["$version"], [Version of SXEmacs.])
4029
4030 AH_TOP([
4031 #ifndef INCLUDED_sxe_config_h_
4032 #define INCLUDED_sxe_config_h_
4033
4034 #ifndef NOT_C_CODE
4035 #if defined (__GNUC__)
4036 #define alloca __builtin_alloca
4037 #elif defined __DECC
4038 #include <alloca.h>
4039 #pragma intrinsic(alloca)
4040 #elif defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
4041 /* defer #include to end of file */
4042 #elif defined HAVE_ALLOCA_H
4043 #include <alloca.h>
4044 #elif defined(_AIX)
4045 #pragma alloca
4046 #elif ! defined (alloca)
4047 void *alloca();
4048 #endif
4049 #endif  /* C code */
4050 ])
4051
4052 AH_BOTTOM([
4053 /* The configuration script may define `opsysfile' to be the name of
4054    the s/...h file that describes your operating system.
4055    The file name is chosen based on the configuration name. */
4056
4057 #ifdef config_opsysfile
4058 #include config_opsysfile
4059 #endif
4060
4061 /* The configuration script may define `machfile' to be the name of
4062    the m/...h file that describes the machine you are using.
4063    The file name is chosen based on the configuration name. */
4064
4065 #ifdef config_machfile
4066 #include config_machfile
4067 #endif
4068
4069 /* basic system calls */
4070 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
4071 # define ENCAPSULATE_READ
4072 # define ENCAPSULATE_WRITE
4073 #endif
4074 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
4075 # define ENCAPSULATE_OPEN
4076 #endif
4077 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
4078 # define ENCAPSULATE_CLOSE
4079 #endif
4080 /* stdio calls */
4081 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
4082 # define ENCAPSULATE_FREAD
4083 # define ENCAPSULATE_FWRITE
4084 #endif
4085 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
4086 # define ENCAPSULATE_FOPEN
4087 #endif
4088 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
4089 # define ENCAPSULATE_FCLOSE
4090 #endif
4091
4092 #if defined (HAVE_SOCKS) && !defined (DO_NOT_SOCKSIFY)
4093 #define accept Raccept
4094 #define bind Rbind
4095 #define connect Rconnect
4096 #define getsockname Rgetsockname
4097 #define listen Rlisten
4098 #endif                          /* HAVE_SOCKS && !DO_NOT_SOCKSIFY */
4099
4100 #ifndef NOT_C_CODE              /* Actually means C or C++ */
4101 # if defined (__cplusplus)
4102 /* Avoid C++ keywords used as ordinary C identifiers */
4103 #  define class c_class
4104 #  define new   c_new
4105 #  define this  c_this
4106 #  define catch c_catch
4107 #  define EXTERN_C extern "C"
4108 # else                          /* C code */
4109 #  define EXTERN_C extern
4110 # endif
4111 #endif                          /* C or C++ */
4112 /* Strictly speaking, only int or unsigned int are valid types in a
4113    bitfield.  In practice, we would like to use enums as bitfields.
4114    The following should just result in warning avoidance:
4115    warning: nonportable bit-field type */
4116 #ifdef __GNUC__
4117 #define enum_field(enumeration_type) enum enumeration_type
4118 #else
4119 #define enum_field(enumeration_type) unsigned int
4120 #endif
4121
4122 #ifndef NOT_C_CODE
4123 #if defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
4124 /* icc's alloca.h pulls in <features.h>,
4125    but that must be done after _GNU_SOURCE and friends are defined */
4126 #include <alloca.h>
4127 #endif
4128 #endif                          /* C code */
4129
4130 #endif  /* INCLUDED_sxe_config_h_ */
4131 ])
4132
4133
4134 dnl -------------------------------------------------------------------------
4135 dnl -------------------------------
4136 dnl Report on what we decided to do
4137 dnl -------------------------------
4138
4139 dnl #### We should tag this as the _build_ environment.
4140 dnl Before doing that, though, must check if tools care about line 1.
4141
4142 (
4143 dnl /etc/osversion is on SONY NEWS-OS
4144 if test -f /etc/osversion; then dnl SONY NEWS-OS
4145   echo "osversion: `cat /etc/osversion`"
4146 else
4147   echo "uname -a: `uname -a`"
4148 fi
4149 echo ""
4150 echo "$0 $ac_configure_args"
4151 ) > Installation
4152
4153 if test ! -z ${emacs_beta_version} ; then
4154   if test -z "${emacs_is_beta}" ; then
4155         sxemacs_betaname=".${emacs_beta_version}"
4156   else
4157         sxemacs_betaname="-b${emacs_beta_version}"
4158   fi
4159 else
4160   sxemacs_betaname=""
4161 fi
4162
4163 dnl -----------------
4164 dnl Talking LFSL now!
4165 dnl -----------------
4166
4167 dnl -----------------------------------
4168 dnl Now generate config.h and Makefiles
4169 dnl -----------------------------------
4170
4171 dnl This has to be called in order for this variable to get into config.status
4172 AC_SUBST([internal_makefile_list])
4173 # Remove any trailing slashes in these variables.
4174 if test -n "$prefix"; then
4175         prefix=`echo '' "$prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4176 fi
4177 if test -n "$exec_prefix"; then
4178         exec_prefix=`echo '' "$exec_prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4179 fi
4180
4181 make_ifeq="ifeq"
4182 make_endif="endif"
4183 make_else="else"
4184 AC_SUBST([make_ifeq])
4185 AC_SUBST([make_endif])
4186 AC_SUBST([make_else])
4187
4188 dnl Coupla things needed for subst'ing into the sxemacs.desktop file
4189 ABS_PROGNAME=${prefix}/bin/${PROGNAME}
4190 ABS_ETCDIR=${ETCDIR}
4191 SXE_CANONICALISE_PATH([ABS_PROGNAME])
4192 SXE_CANONICALISE_PATH([ABS_ETCDIR])
4193 AC_SUBST([ABS_PROGNAME])
4194 AC_SUBST([ABS_ETCDIR])
4195
4196 AC_CONFIG_FILES([src/sxe-paths.h])
4197 AC_CONFIG_FILES([Makefile])
4198 AC_CONFIG_FILES([lib-src/Makefile])
4199 AC_CONFIG_FILES([src/Makefile])
4200 AC_CONFIG_FILES([src/ui/Makefile])
4201 AC_CONFIG_FILES([src/ui/TTY/Makefile])
4202 AC_CONFIG_FILES([src/ui/lwlib/Makefile])
4203 AC_CONFIG_FILES([src/ui/X11/Makefile])
4204 AC_CONFIG_FILES([src/events/Makefile])
4205 AC_CONFIG_FILES([src/ent/Makefile])
4206 AC_CONFIG_FILES([src/media/Makefile])
4207 AC_CONFIG_FILES([src/mem/Makefile])
4208 AC_CONFIG_FILES([src/database/Makefile])
4209 AC_CONFIG_FILES([src/mule/Makefile])
4210 AC_CONFIG_FILES([src/.gdbinit:src/gdbinit])
4211 AC_CONFIG_FILES([src/.dbxrc:src/dbxrc])
4212 AC_CONFIG_FILES([lisp/Makefile])
4213 AC_CONFIG_FILES([info/Makefile])
4214 AC_CONFIG_FILES([tests/Makefile])
4215 AC_CONFIG_FILES([modules/Makefile])
4216 AC_CONFIG_FILES([etc/Makefile])
4217 AC_CONFIG_FILES([etc/sxemacs.desktop])
4218 AC_CONFIG_FILES([sxemacs.pc])
4219 AC_CONFIG_LINKS([.sxemacs.source.tree:])
4220
4221 AC_OUTPUT
4222 SXE_SUMMARY