cgit.sxemacs.org Git - sxemacs/blob - configure.ac

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