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, 2012 Nelson Ferreira
  35
  36 ### Don't edit this script!
  37 ### This script was automatically generated by the `autoconf' program
  38 ### from the file `./configure.ac'.
  39 ### To rebuild it, execute the command
  40 ###     autoconf
  41 ### in the this directory.
  42
  43 ### This file is part of SXEmacs.
  44
  45 ### SXEmacs is free software: you can redistribute it and/or modify
  46 ### it under the terms of the GNU General Public License as published by
  47 ### the Free Software Foundation, either version 3 of the License, or
  48 ### (at your option) any later version.
  49
  50 ### SXEmacs is distributed in the hope that it will be useful,
  51 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  52 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  53 ### GNU General Public License for more details.
  54
  55 ### You should have received a copy of the GNU General Public License
  56 ### along with this program.  If not, see <http://www.gnu.org/licenses/>.
  57
  58 ### Parts of SXEmacs are also distributed under a BSD-like licence.
  59 ### Check file headers for more information.
  60
  61 ### For usage, run `./configure --help'
  62 ### For more detailed information on building and installing SXEmacs,
  63 ### read the file `INSTALL'.
  64 ###
  65 ### If configure succeeds, it leaves its status in config.status.
  66 ### A log of configuration tests can be found in config.log.
  67 ### If configure fails after disturbing the status quo,
  68 ###     config.status is removed.
  69 ])
  70
  71 AC_REVISION([SXEM4CS_GIT_VERSION])
  72
  73
  74 dnl Build Options
  75 dnl =============
  76 OG_OPTION_GROUP(Build Options)
  77
  78 OG_ARG_WITH([prefix],
  79         AS_HELP_STRING([--with-prefix@<:@=ARG@:>@],
  80                 [Whether to compile the value of --prefix into the executable.]),
  81         [yes], [YES (DO compile prefix into the executable)])
  82
  83 OG_ARG_WITH([sitemoduledir],
  84         AS_HELP_STRING([--with-sitemoduledir=DIR],
  85                 [Directory for loadable modules that are not part of
  86                 the SXEmacs core distribution (3rd party emodules).]),
  87         [none], [$prefix/lib/sxemacs/$build/site-modules], [og_any],
  88         [AC_DEFINE([SITEMODULEDIR_USER_DEFINED], [1],
  89                 [sitemoduledir has been specified on the configure line.])],
  90         [with_sitemoduledir='${libdir}/${PROGNAME}/${configuration}/site-modules'])
  91
  92 OG_ARG_WITH([site-includes],
  93         AS_HELP_STRING([--with-site-includes=PATH],
  94                 [Colon separated list of _extra_ include directories
  95                 to search for headers.]),
  96         [none], [None], [og_any])
  97
  98 OG_ARG_WITH([site-libraries],
  99         AS_HELP_STRING([--with-site-libraries=PATH],
 100                 [Colon separated list of extra lib directories to
 101                 search for libraries. (Default: None)]),
 102         [none], [None], [og_any])
 103
 104 OG_ARG_WITH([site-prefixes],
 105         AS_HELP_STRING([--with-site-prefixes=PATH],
 106                 [Colon separated list of extra prefix directories to
 107                 search for headers and libraries.  Sometimes this can
 108                 be used instead of specifying both
 109                 --with-site-includes and
 110                 --with-site-libraries.]),
 111         [none], [None], [og_any])
 112
 113 OG_ARG_WITH([lispdir],
 114         AS_HELP_STRING([--with-lispdir=DIR],
 115                 [Where to install core lisp files.]),
 116         [none], [$prefix/lib/sxemacs-$version/lisp], [og_any],
 117         [AC_DEFINE([LISPDIR_USER_DEFINED], [1],
 118                 [lispdir has been specified on the configure line.])],
 119         [with_lispdir='${datadir}/${instvardir}/lisp'])
 120
 121 OG_ARG_WITH([archlibdir],
 122         AS_HELP_STRING([--with-archlibdir=DIR],
 123                 [Directory for arch-dependent files.]),
 124         [none], [$prefix/lib/sxemacs-$version/$build], [og_any],
 125         [AC_DEFINE([ARCHLIBDIR_USER_DEFINED], [1],
 126                 [archlibdir has been specified on the configure line.])],
 127         [with_archlibdir='${libdir}/${instvardir}/${configuration}'])
 128
 129 OG_ARG_WITH([moduledir],
 130         AS_HELP_STRING([--with-moduledir=DIR],
 131                 [Directory for loadable modules.]),
 132         [none], [$prefix/lib/sxemacs-$version/$build/modules], [og_any],
 133         [AC_DEFINE([MODULEDIR_USER_DEFINED], [1],
 134                 [moduledir has been specified on the configure line.])],
 135         [with_moduledir='${libdir}/${instvardir}/${configuration}/modules'])
 136
 137 OG_ARG_WITH([etcdir],
 138         AS_HELP_STRING([--with-etcdir=DIR],
 139                 []),
 140         [none], [$prefix/lib/sxemacs-$version/etc], [og_any],
 141         [AC_DEFINE([ETCDIR_USER_DEFINED], [1],
 142                 [etcdir has been specified on the configure line.])],
 143         [with_etcdir='${datadir}/${instvardir}/etc'])
 144
 145 OG_ARG_WITH([infopath],
 146         AS_HELP_STRING([--with-infopath=PATH],
 147                 [Colon separated list of directories to use as
 148                 the info search path. This is not normally needed.]),
 149         [none], [None], [og_any],
 150         [AC_DEFINE([INFOPATH_USER_DEFINED], [1],
 151                 [inforpath has been specified on the configure line.])], [])
 152
 153 OG_ARG_WITH([docdir],
 154         AS_HELP_STRING([--with-docdir=DIR],
 155                 [Where it store certain doc files (not info or man).]),
 156         [none], [$prefix/lib/sxemacs-$version/$build], [og_any],
 157         [AC_DEFINE([DOCDIR_USER_DEFINED], [1],
 158                 [docdir has been specified on the configure line.])],
 159         [with_docdir='${archlibdir}'])
 160
 161 OG_ARG_WITH([site-runtime-libraries],
 162         AS_HELP_STRING([--with-site-runtime-libraries=PATH],
 163                 [Colon separated list of directories to search for
 164                 libraries at run time.  This isn't normally needed.]),
 165         [none], [None], [og_any])
 166
 167 OG_ARG_WITH([module-path],
 168         AS_HELP_STRING([--with-module-path=PATH],
 169                 [Search path to the emodules directories.
 170                 A colon separated list of directories. Normally, there is
 171                 no need to set this.]),
 172         [none], [None], [og_any],
 173         [AC_DEFINE([MODULE_PATH_USER_DEFINED], [1],
 174                 [module-path has been specified on the configure line.])],
 175         [])
 176
 177 OG_ARG_WITH([package-prefix],
 178         AS_HELP_STRING([--with-package-prefix=PATH],
 179                 [What to use as a prefix to the system-wide package
 180                 directories.  It doesn't affect the package directories
 181                 under ~/.sxemacs, and is totally ignored if
 182                 --with-package-path is set.
 183                 Normally, you would not need to set this.]),
 184         [none], [None], [og_any],
 185         [AC_DEFINE([PACKAGE_PREFIX_USER_DEFINED], [1],
 186                 [package-prefix has been specified on the configure line.])],
 187         [])
 188
 189 OG_ARG_WITH([package-path],
 190         AS_HELP_STRING([--with-package-path=PATH],
 191                 [Search path to the package directories.
 192                 This path is made up of 3 separate "path elements",
 193                 each element is a colon separated list of directories,
 194                 with the boundary between elements being a double
 195                 colon.  The 3 path elements are for "early", "late",
 196                 and "last" package directories.  If only a single
 197                 element is specified it is "late".  Example:
 198                 early1:early2::late1:late2::last1:last2.  Setting this
 199                 overrides --with-package-prefix.  Normally, there is
 200                 no need to set this.]),
 201         [none], [None], [og_any],
 202         [AC_DEFINE([PACKAGE_PATH_USER_DEFINED], [1],
 203                 [package-path has been specified on the configure line.])],
 204         [])
 205
 206 dnl stupid option, innit?
 207 OG_ARG_WITH([quick-build],
 208         AS_HELP_STRING([--with-quick-build],
 209                 [Speed up the build cycle by leaving out steps where
 210                 SXEmacs will still work (more or less) without them.
 211                 Potentially dangerous if you don't know what you're
 212                 doing. This (1) doesn't garbage-collect after loading
 213                 each file during dumping, (2) doesn't automatically
 214                 rebuild the DOC file (remove it by hand to get it
 215                 rebuilt), (3) Removes config.h lisp.h and associated
 216                 files from the dependency lists so changes to these
 217                 files don't automatically cause all .c files
 218                 to be rebuilt.]),
 219         [no], [No], [])
 220
 221 OG_ARG_WITH([compiler],
 222         AS_HELP_STRING([--with-compiler=COMPILER],
 223                 [Do not use me! Use CC=<your-compiler> instead!
 224                 C compiler to use.
 225                 Note: SXEmacs _CANNOT_ be built with a C++ compiler.]),
 226         [none], [None], [og_any], [
 227                 OG_WARN_OBSOLETE_OPTION([--with-compiler], [CC=<your-cc>])])
 228
 229 OG_ARG_WITH([cflags],
 230         AS_HELP_STRING([--with-cflags],
 231                 [Do not use me! Use CFLAGS=<your flags> instead!
 232                 Compiler flags (such as -O); setting this overrides
 233                 all default compiler flags except those that control
 234                 warnings. Most people wouldn't need to set
 235                 this.]),
 236         [none], [None], [og_any], [
 237                 OG_WARN_OBSOLETE_OPTION([--with-cflags], [CFLAGS=<your flags>])])
 238
 239 OG_ARG_WITH([cflags-warning],
 240         AS_HELP_STRING([--with-cflags-warning],
 241                 [Do not use me! I will disappear soon!]),
 242         [none], [None], [og_any])
 243
 244 OG_ARG_WITH([cpp],
 245         AS_HELP_STRING([--with-cpp],
 246                 [Do not use me! Use CPP=<your-cpp> instead!]),
 247         [none], [None], [og_any], [
 248                 OG_WARN_OBSOLETE_OPTION([--with-cpp], [CPP=<your-cpp>])
 249                 CPP="$with_cpp"])
 250
 251 OG_ARG_WITH([cppflags],
 252         AS_HELP_STRING([--with-cppflags],
 253                 [Do not use me! Use CPPFLAGS=<your flags> instead!]),
 254         [none], [None], [og_any], [
 255                 OG_WARN_OBSOLETE_OPTION([--with-cppflags], [CPPFLAGS=<your flags>])
 256                 CPPFLAGS="$with_cppflags"])
 257
 258 OG_ARG_WITH([libs],
 259         AS_HELP_STRING([--with-libs],
 260                 [Do not use me! Use LIBS=<your libs> instead!]),
 261         [none], [None], [og_any], [
 262                 OG_WARN_OBSOLETE_OPTION([--with-libs], [LIBS=<your libs>])
 263                 LIBS="$with_libs"])
 264
 265 OG_ARG_WITH([ldflags],
 266         AS_HELP_STRING([--with-ldflags],
 267                 [Do not use me! Use LDFLAGS=<your flags> instead!]),
 268         [none], [None], [og_any], [
 269                 OG_WARN_OBSOLETE_OPTION([--with-ldflags], [LDFLAGS=<your flags>])
 270                 LDFLAGS="$with_ldflags"])
 271
 272 OG_ARG_WITH([ridiculously-aggressive-optimisations],
 273         AS_HELP_STRING([--with-ridiculously-aggressive-optimisations],
 274                 [Whether to try all possible optimisations]),
 275         [no], [No])
 276
 277 OG_ARG_WITH([maximum-warning-output],
 278         AS_HELP_STRING([--with-maximum-warning-output],
 279                 [Whether to output as many warnings as possible]),
 280         [no], [No])
 281
 282
 283 dnl Internal Options
 284 dnl ================
 285 OG_OPTION_GROUP(Internal Options)
 286
 287 OG_ARG_WITH([dynamic],
 288         AS_HELP_STRING([--with-dynamic],
 289                 [Link dynamically if supported by system.
 290                 'NO' forces static linking.]),
 291         [auto], [Autodetect])
 292
 293 OG_ARG_WITH([rel-alloc],
 294         AS_HELP_STRING([--with-rel-alloc],
 295                 [Relocating allocator for buffers.]),
 296         [default], [Autodetect])
 297
 298 OG_ARG_WITH([dlmalloc],
 299         AS_HELP_STRING([--with-dlmalloc],
 300                 [Use Doug Lea's malloc.]),
 301         [default], [Autodetect])
 302
 303 OG_ARG_WITH([debug-malloc],
 304         AS_HELP_STRING([--with-debug-malloc],
 305                 [Use a debugging malloc.]),
 306         [no], [NO])
 307
 308 OG_ARG_WITH([system-malloc],
 309         AS_HELP_STRING([--with-system-malloc],
 310                 [Use a system malloc instead of GNU.]),
 311         [default], [YES if using quantify or purify; NO otherwise])
 312
 313 OG_ARG_WITH([regex-malloc],
 314         AS_HELP_STRING([--with-regex-malloc],
 315                 [Use malloc for regex failure stack.]),
 316         [yes], [YES])
 317
 318 OG_ARG_WITH([ffi],
 319         AS_HELP_STRING([--with-ffi],
 320                 [Compile in experimental support for
 321                 Foreign Function Interface.]),
 322         [yes], [YES])
 323
 324 OG_ARG_WITH([module-support],
 325         AS_HELP_STRING([--with-module-support],
 326                 [Compile in experimental support for dynamically
 327                 loaded libraries (Dynamic Shared Objects).]),
 328         [yes], [YES if shared libraries are supported])
 329
 330 OG_MULTIARG_WITH([modules], [dnl
 331         AS_HELP_STRING([--with-modules], [
 332                 Which modules to compile and install.])],
 333         [all], [all], [dnl
 334         OG_MULTIARG_ITEM([ase], [ase], [algebraic structures])
 335         OG_MULTIARG_ITEM([cl], [cl], [fast Common Lisp implementation])
 336         OG_MULTIARG_ITEM([dbus], [dbus], [D-BUS bindings])
 337 ])
 338
 339 OG_MULTIARG_WITH([static-modules], [dnl
 340         AS_HELP_STRING([--with-static-modules], [
 341                 Which modules to compile as archives to link their
 342                 functionality statically into the SXEmacs binary.])
 343         AS_HELP_STRING([], [
 344                 You should regard this as a proof of concept.])],
 345         [none], [NONE], [dnl
 346         OG_MULTIARG_ITEM([ase], [ase], [algebraic structures])
 347         OG_MULTIARG_ITEM([cl], [cl], [fast Common Lisp implementation])
 348         OG_MULTIARG_ITEM([dbus], [dbus], [D-BUS bindings])
 349 ])
 350
 351 OG_MULTIARG_WITH([ent], [dnl
 352         AS_HELP_STRING([--with-ent], [
 353                 Compile in support for enhanced number types,
 354                 using internal and external libraries.])],
 355         [none int fpfloat indef gmp], [int fpfloat indef gmp], [dnl
 356         OG_MULTIARG_ITEM([int], [int], [native integer arithmetics])
 357         OG_MULTIARG_ITEM([fpfloat], [fpfloat], [native fixed precision floats])
 358         OG_MULTIARG_ITEM([indef], [indef], [native abstract indefinites])
 359         OG_MULTIARG_ITEM([gmp], [GMP], [GNU multiprecision library])
 360         OG_MULTIARG_ITEM([mpfr], [MPFR], [Multiprecision Floats with correct Rounding])
 361         OG_MULTIARG_ITEM([mpc], [MPC], [Multiprecision Complex numbers (C/R)])
 362         OG_MULTIARG_ITEM([pseug], [pseudoG], [native Gaussian Numbers (Z+Z)])
 363         OG_MULTIARG_ITEM([pseuc], [pseudoC], [native Complex Numbers (C/R)])
 364         OG_MULTIARG_ITEM([quatern], [Quaternions], [native Quaternions (Z+Z+Z+Z)])
 365         OG_MULTIARG_ITEM([ecm], [ECM], [factorisations per Elliptic Curve Method])
 366         OG_MULTIARG_MUTEX([mpz], [Arbitrary precision integers], [gmp mp])
 367         OG_MULTIARG_MUTEX([complex], [Complex numbers as in C/R], [mpc pseuc])
 368 ])
 369
 370 OG_MULTIARG_WITH([ase], [dnl
 371         AS_HELP_STRING([--with-ase], [
 372                 Compile in support for algebraic structures based on ENT,
 373                 using internal and external libraries.])],
 374         [none], [none], [dnl
 375         OG_MULTIARG_ITEM([cart], [cartesian], [Cartesian Products of ENT and ASE objects])
 376         OG_MULTIARG_ITEM([dig], [digraph], [Directed 2-ary Graphs with Colours])
 377         OG_MULTIARG_ITEM([intv], [interval], [Intervals of comparable or normed ENT and ASE objects])
 378         OG_MULTIARG_ITEM([metric], [metric], [Metric Spaces])
 379         OG_MULTIARG_ITEM([nbhood], [neighbourhood], [Neighbourhoods of comparable or normed ENT and ASE objects])
 380         OG_MULTIARG_ITEM([perm], [permutation], [Permutations])
 381         OG_MULTIARG_ITEM([resclass], [resclass], [Residue Class Rings and Classes])
 382 ])
 383
 384 OG_ARG_WITH([compre],
 385         AS_HELP_STRING([--with-compre],[
 386                 Provide exhaustive caching of compiled regexps. This will
 387                 mean that frequently used regexps will be faster to use
 388                 since the compile step will not be needed after first use.]),
 389         [yes], [By default do cache compiled regexps.])
 390
 391 OG_MULTIARG_WITH([experimental-features], [dnl
 392         AS_HELP_STRING([--with-experimental-features], [
 393                 Activate experimental code, that is code which is
 394                 considered useful but whose effects in conjunction with
 395                 the variety of elisp projects cannot be foreseen.])
 396         AS_HELP_STRING([], [
 397                 During the beta phase of SXEmacs all experimental code
 398                 will be unconditionally enabled.  However, if you plan
 399                 to use this SXEmacs in a production environment you
 400                 can switch off some portions.])],
 401         [all nobdwgc], [ALL but bdwgc], [dnl
 402         OG_MULTIARG_ITEM([bdwgc], [bdwgc], [the Boehm-Demers-Weiser collector])
 403         OG_MULTIARG_ITEM([asyneq], [asyneq], [asynchronous event queues])
 404 ])
 405         dnl stop that pom stuff
 406         dnl OG_MULTIARG_ITEM([pom], [pom], [thread-safe objects])
 407
 408 OG_ARG_WITH([event-driver],
 409         AS_HELP_STRING([--with-event-driver], [
 410                 Which event routines to use.
 411                 Events control the way how external `sources' are
 412                 incorporated into SXEmacs.  Sources hereby are user inputs,
 413                 such as key strokes, mouse moves, pedalling, slapping the
 414                 monitor, etc.; but there are manifold further sources, such as
 415                 process signals, data on a socket, focussing an X window,
 416                 lapsing a timeout, and so forth.])
 417 AS_HELP_STRING([], [
 418                 An event driver can cope with all (or most) of these in a
 419                 uniform and abstract way.  SXEmacs can either be driven
 420                 using its built-in event handlers, or using one of the
 421                 external systems.]),
 422         [auto], [Autodetect], [auto built-in libevent liboop glib])
 423
 424
 425 dnl Debugging Options
 426 dnl ================
 427 OG_OPTION_GROUP(Debugging Options)
 428
 429 OG_ARG_WITH([debug],
 430         AS_HELP_STRING([--with-debug],
 431                 [Compile with extra debugging code.
 432                 This will turn on: --with-assertions
 433                 and --with-memory-usage-stats.]),
 434         [yes], [YES for beta; NO for release])
 435
 436 OG_ARG_WITH([memory-usage-stats],
 437         AS_HELP_STRING([--with-memory-usage-stats],
 438                 [Compile with support for statistics about memory usage at runtime.]),
 439         [yes], [YES for beta])
 440
 441 OG_MULTIARG_WITH([error-checking], [dnl
 442         AS_HELP_STRING([--with-error-checking=TYPE], [
 443                 Compile with internal error-checking added.])
 444         AS_HELP_STRING([], [
 445                 WARNING: Causes noticeable loss of speed!])],
 446         [all], [ALL for beta; NONE otherwise], [dnl
 447         OG_MULTIARG_ITEM([extents], [extents], [checks on extents])
 448         OG_MULTIARG_ITEM([types], [types], [checks on types])
 449         OG_MULTIARG_ITEM([gc], [gc], [checks on garbage collection])
 450         OG_MULTIARG_ITEM([malloc], [malloc], [checks on memory allocation])
 451         OG_MULTIARG_ITEM([byte_code], [byte_code], [checks on byte compiled code])
 452         OG_MULTIARG_ITEM([bufpos], [bufpos], [checks on buffer position])
 453         OG_MULTIARG_ITEM([glyphs], [glyphs], [checks on glyph data])
 454         OG_MULTIARG_ITEM([stack], [stack], [checks on stack barriers])
 455         OG_MULTIARG_ITEM([malldbg], [malldbg], [malloc debugging code])
 456 ])
 457
 458 OG_ARG_WITH([purify],
 459         AS_HELP_STRING([--with-purify],
 460                 [Add support for memory debugging using Purify.]),
 461         [no], [NO])
 462
 463 OG_ARG_WITH([quantify],
 464         AS_HELP_STRING([--with-quantify],
 465                 [Add support for performance debugging using Quantify.]),
 466         [no], [NO])
 467
 468
 469 dnl Window System Features
 470 dnl ======================
 471 OG_OPTION_GROUP(Window System Features)
 472
 473 OG_ARG_WITH([toolbars],
 474         AS_HELP_STRING([--with-toolbars],
 475                 [Compile in toolbar support.]),
 476         [yes], [YES])
 477
 478 OG_ARG_WITH([external-widget],
 479         AS_HELP_STRING([--with-external-widget],
 480                 [Enable the "external widget" interface,
 481                 which allows a SXEmacs frame to appear as a widget in
 482                 another application.
 483                 To date, we haven't heard of anyone who has actually done this.
 484                 Consider this EXPERIMENTAL.]),
 485         [no], [NO])
 486
 487 OG_ARG_WITH([menubars],
 488         AS_HELP_STRING([--with-menubars=TYPE],
 489                 [Type of menubars to use.  The Lucid menubars emulate
 490                 Motif (mostly) but are faster.]),
 491         [lucid], [Lucid], [lucid no])
 492
 493 OG_ARG_WITH([scrollbars],
 494         AS_HELP_STRING([--with-scrollbars=TYPE],
 495                 [Type of scrollbars to use.
 496                 *WARNING*  The Motif scrollbars are currently broken.]),
 497         [lucid], [Lucid], [lucid motif athena no])
 498
 499 OG_ARG_WITH([dialogs],
 500         AS_HELP_STRING([--with-dialogs=TYPE],
 501                 [Type of dialog boxes to use.  Athena dialogs will
 502                  be used if Athena can be found.]),
 503         [athena], [], [athena motif no])
 504
 505 OG_ARG_WITH([widgets],
 506         AS_HELP_STRING([--with-widgets=TYPE],
 507                 [Type of native widgets to use.  Athena widgets will
 508                 be used if Athena can be found.]),
 509         [athena], [], [athena motif no])
 510
 511 OG_ARG_WITH([athena],
 512         AS_HELP_STRING([--with-athena=TYPE],
 513                 [Type of Athena widgets to use.]),
 514         [auto], [Autodetect], [auto xaw 3d next 95 xpm no])
 515
 516 OG_ARG_WITH([xim],
 517         AS_HELP_STRING([--with-xim],
 518                 [Type of Mule input method to use.]),
 519         [auto], [Autodetect], [yes no xlib motif])
 520
 521 OG_ARG_WITH([wmcommand],
 522         AS_HELP_STRING([--with-wmcommand],
 523                 [Compile with realized leader window which will
 524                 keep the WM_COMMAND property.]),
 525         [yes], [YES])
 526
 527 OG_ARG_WITH([xmu],
 528         AS_HELP_STRING([--with-xmu],
 529                 [For those unfortunates whose vendors don't ship Xmu.]),
 530         [auto], [Autodetect])
 531
 532 OG_ARG_WITH([xfs],
 533         AS_HELP_STRING([--with-xfs],
 534                 [Compile with XFontSet support for internationalized
 535                 menubar.  Incompatible with `--with-xim=motif'.
 536                 `--with-menubars=lucid' (the default) is desirable.]),
 537         [no], [NO])
 538
 539 dnl TTY Options
 540 dnl ================
 541 OG_OPTION_GROUP(TTY options)
 542
 543 OG_ARG_WITH([tty],
 544         AS_HELP_STRING([--with-tty],
 545                 [Add support for ttys.]),
 546         [auto], [Autodetect])
 547
 548 OG_ARG_WITH([ncurses],
 549         AS_HELP_STRING([--with-ncurses],
 550                 [Use the ncurses library for tty support.]),
 551         [auto], [Autodetect])
 552
 553 OG_ARG_WITH([curses],
 554         AS_HELP_STRING([--with-curses],
 555                 [Use the curses library for tty support.]),
 556         [auto], [Autodetect])
 557
 558 OG_ARG_WITH([terminfo],
 559         AS_HELP_STRING([--with-terminfo],
 560                 [Use the terminfo library for tty support.]),
 561         [auto], [Autodetect])
 562
 563 OG_ARG_WITH([termlib],
 564         AS_HELP_STRING([--with-termlib],
 565                 [Use the termlib library for tty support.]),
 566         [auto], [Autodetect])
 567
 568 OG_ARG_WITH([termcap],
 569         AS_HELP_STRING([--with-termcap],
 570                 [Use the termcap library for tty support.]),
 571         [auto], [Autodetect])
 572
 573
 574 OG_ARG_WITH([gpm],
 575         AS_HELP_STRING([--with-gpm],
 576                 [Compile in GPM mouse support for ttys.]),
 577         [auto], [Autodetect])
 578
 579
 580 dnl Database Options
 581 dnl ================
 582 OG_OPTION_GROUP(Database options)
 583
 584 OG_MULTIARG_WITH([database], [dnl
 585         AS_HELP_STRING([--with-database=TYPE],
 586                 [Compile with database support.])],
 587         [auto], [Autodetect], [dnl
 588         OG_MULTIARG_ITEM([berkdb], [berkdb], [Berkeley DB support])
 589         OG_MULTIARG_ITEM([dbm], [dbm], [DBM database support])
 590         OG_MULTIARG_ITEM([gdbm], [gdbm], [GNU DBM support])
 591 ])
 592
 593 OG_ARG_WITH([ldap],
 594         AS_HELP_STRING([--with-ldap],
 595                 [Compile with support for the LDAP protocol.]),
 596         [no], [NO])
 597
 598 OG_ARG_WITH([postgresql],
 599         AS_HELP_STRING([--with-postgresql],
 600                 [Compile with support for the PostgreSQL RDBMS.]),
 601         [yes], [Autodetect])
 602
 603
 604 dnl Multimedia Options
 605 dnl ==================
 606 OG_OPTION_GROUP(Multimedia options)
 607
 608 OG_MULTIARG_WITH([image], [dnl
 609         AS_HELP_STRING([--with-image=TYPE],
 610                 [Compile with image support.])],
 611         [auto], [Autodetect all image support], [dnl
 612         OG_MULTIARG_ITEM([gif], [GIF], [GIF image format])
 613         OG_MULTIARG_ITEM([xpm], [XPM], [X PixMap image format])
 614         OG_MULTIARG_ITEM([png], [PNG], [Portable Network Graphic format])
 615         OG_MULTIARG_ITEM([jpeg], [JPEG], [jpeg image format])
 616         OG_MULTIARG_ITEM([tiff], [TIFF], [TIFF image format])
 617         OG_MULTIARG_ITEM([xface], [xface], [base64 encoded xbm])
 618 ])
 619
 620 OG_MULTIARG_WITH([sound], [dnl
 621         AS_HELP_STRING([--with-sound=TYPE],
 622                 [Compile with sound support.])],
 623         [auto], [Autodetect all sound support (except Pulse)], [dnl
 624         OG_MULTIARG_ITEM([alsa], [ALSA], [kernel-based linux sound standard])
 625         OG_MULTIARG_ITEM([ao], [ao], [generic audio output layer])
 626         OG_MULTIARG_ITEM([esd], [ESD], [Enlightenment Sound Daemon])
 627         OG_MULTIARG_ITEM([jack], [Jack], [a low-latency audio server])
 628         OG_MULTIARG_ITEM([nas], [NAS], [Network Audio System])
 629         OG_MULTIARG_ITEM([oss], [OSS], [Open Sound System])
 630 ])
 631
 632 OG_ARG_WITH([pulseaudio],
 633         AS_HELP_STRING([--with-pulseaudio],
 634                 [Compile with support for the PulseAudio audio server.
 635                 This has been turned off by default because of too many
 636                 bugs in recent versions of PA.  Use at your own risk,
 637                 YMMV, and all that.]),
 638         [no], [NO])
 639
 640 OG_MULTIARG_WITH([media], [dnl
 641         AS_HELP_STRING([--with-media=TYPE],
 642                 [Compile with media stream support.])],
 643         [auto], [Autodetect all media stream support libraries], [dnl
 644         OG_MULTIARG_ITEM([ffmpeg], [FFmpeg], [media streams handled by ffmpeg])
 645         OG_MULTIARG_ITEM([internal], [internal], [media streams handled internally])
 646         OG_MULTIARG_ITEM([mad], [Mad], [media streams handled by mad])
 647         OG_MULTIARG_ITEM([sndfile], [sndfile], [media streams handled by sndfile])
 648         OG_MULTIARG_ITEM([sox], [SoX], [media streams handled by sox])
 649         OG_MULTIARG_ITEM([magic], [magic], [file/libmagic support])
 650 ])
 651
 652
 653 dnl Cryptography Options
 654 dnl ====================
 655 OG_OPTION_GROUP(Cryptography options)
 656
 657 OG_ARG_WITH([openssl],
 658         AS_HELP_STRING([--with-openssl],
 659                 [Compile in experimental support for
 660                 OpenSSL libcrypto and libssl.]),
 661         [yes], [YES])
 662
 663 OG_ARG_WITH([gnutls],
 664         AS_HELP_STRING([--with-gnutls],
 665                 [Compile in experimental support for
 666                 GnuTLS transport security.]),
 667         [no], [NO])
 668
 669
 670 dnl Networking Options
 671 dnl ==================
 672 OG_OPTION_GROUP(Networking options)
 673
 674 OG_ARG_WITH([dnet],
 675         AS_HELP_STRING([--with-dnet],
 676                 [Compile with support for DECnet.]),
 677         [no], [NO])
 678
 679 OG_ARG_WITH([socks],
 680         AS_HELP_STRING([--with-socks],
 681                 [Compile with support for SOCKS (an Internet proxy).]),
 682         [auto], [Autodetect])
 683
 684 OG_ARG_WITH([ipv6-cname],
 685         AS_HELP_STRING([--with-ipv6-cname],
 686                 [Try IPv6 information first when canonicalizing host names.
 687                 This option has no effect unless system supports
 688                 getaddrinfo(3) and getnameinfo(3).]),
 689         [no], [NO])
 690
 691 OG_ARG_WITH([pop],
 692         AS_HELP_STRING([--with-pop],
 693                 [Support POP for mail retrieval.]),
 694         [no], [NO])
 695
 696 OG_ARG_WITH([kerberos],
 697         AS_HELP_STRING([--with-kerberos],
 698                 [Support Kerberos-authenticated POP.]),
 699         [no], [NO])
 700
 701 OG_ARG_WITH([hesiod],
 702         AS_HELP_STRING([--with-hesiod],
 703                 [Support Hesiod to get the POP server host.]),
 704         [no], [NO])
 705
 706
 707 dnl File-related Options
 708 dnl ====================
 709 OG_OPTION_GROUP(File-related options)
 710
 711 OG_ARG_WITH([clash-detection],
 712         AS_HELP_STRING([--with-clash-detection],
 713                 [Use lock files to detect multiple edits
 714                 of the same file.]),
 715         [no], [NO])
 716
 717 OG_ARG_WITH([mail-locking],
 718         AS_HELP_STRING([--with-mail-locking=TYPE],
 719                 [Specify the locking to be used by movemail to prevent
 720                 concurrent updates of mail spool files. Valid types
 721                 are `lockf'  `flock'  `file'  `locking'  `pop' or `mmdf'.]),
 722         [auto], [Autodetect], [lockf flock file locking mmdf pop no])
 723
 724
 725 dnl Internationalisation Options
 726 dnl ============================
 727 OG_OPTION_GROUP(Internationalisation options)
 728
 729 OG_ARG_WITH([mule],
 730         AS_HELP_STRING([--with-mule],
 731                 [Compile with Mule (MUlti-Lingual Emacs) support
 732                 needed to support non-Latin-1 (including Asian)
 733                 languages.]),
 734         [yes], [YES])
 735
 736 OG_ARG_WITH([canna],
 737         AS_HELP_STRING([--with-canna],
 738                 [Compile with support for Canna (a Japanese input method
 739                 used in conjunction with Mule support).]),
 740         [auto], [Autodetect when Mule is enabled])
 741
 742 OG_ARG_WITH([wnn],
 743         AS_HELP_STRING([--with-wnn],
 744                 [Compile with support for Wnn (a multi-language input
 745                 method used in conjunction with Mule support).]),
 746         [auto], [Autodetect when Mule is enabled])
 747
 748 OG_ARG_WITH([wnn6],
 749         AS_HELP_STRING([--with-wnn6],
 750                 [Compile with support for the commercial package Wnn6.]),
 751         [auto], [Autodetect when Mule is enabled])
 752
 753
 754
 755 dnl dnl Other Options
 756 dnl dnl =============
 757 dnl OG_OPTION_GROUP(Other options)
 758 dnl
 759
 760 ## -------------------------------------------------------------------------
 761 ## Check for users who regularly forget about running autoconf
 762 ## -------------------------------------------------------------------------
 763 AS_IF([test -f "$0.ac" -a "$0.ac" -nt "$0"],
 764    AC_MSG_ERROR([What are you doing? RUN autoreconf NOW!!!]))
 765
 766 #
 767 # Turn off core generation. We are already verifying the program fails, no need
 768 # poluting the workspace. Of course if you are a SXEmacs developer you may want
 769 # to comemnt this on occasion :-)
 770 ulimit -c 0
 771
 772 ## initialise our nestable msg funs
 773 SXE_INIT_MSG_LEVEL
 774
 775 dnl Small snippet to make echo -n work on solaris
 776 ECHO_N= ECHO_C=
 777 case `echo -n x` in
 778 -n*)
 779         case `echo 'x\c'` in
 780         *c*)
 781                 ;;
 782         *)
 783                 ECHO_C='\c'
 784                 ;;
 785         esac
 786         ;;
 787 *)
 788         ECHO_N='-n'
 789         ;;
 790 esac
 791
 792
 793 echo
 794 echo "Preparing the build chain"
 795 echo "========================="
 796
 797 ## We should brag about ourselves, no?
 798 AC_DEFINE([XEMACS], [1], [Pretend to be an XEmacs])
 799 AC_DEFINE([SXEMACS], [1], [Why not? It's the truth!])
 800
 801 dnl -------------------------------------------------------------------------
 802 dnl Command line argument processing.
 803 dnl -------------------------------------------------------------------------
 804 dnl Check for bogus options
 805 dnl -------------------------------------------------------------------------
 806 SXE_CHECK_COMMAND_LINE
 807
 808 AM_INIT_AUTOMAKE([foreign -Wall])
 809 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
 810 SXE_CHECK_BUILDCHAIN
 811 AC_SUBST(EGREP)
 812
 813 progname=$0
 814 progbasename=$(basename $progname)
 815 progdirname=$(dirname $progname)
 816
 817 ## Build Options
 818 ## =============
 819
 820 echo
 821 echo "Build and System Specific Options"
 822 echo "================================="
 823
 824 SXE_EXPLORE_BUILD_ENVIRONMENT
 825
 826 dnl ----------------------------------------
 827 dnl Find out which version of SXEmacs this is
 828 dnl ----------------------------------------
 829 AC_CHECK_PROG([have_git], [git], [yes], [no])
 830 AC_MSG_CHECKING([for SXEmacs version])
 831 AC_MSG_RESULT([SXEmacs SXEM4CS_VERSION])
 832 dnl Must do the following first to determine verbosity for AC_DEFINE
 833 AS_IF([test -n "[]SXEM4CS_BETA_P[]"],beta=yes,beta=no)
 834 : "${extra_verbose=$beta}"
 835
 836 AC_MSG_CHECKING([for SXEmacs patchlevel])
 837 CURDIR=$(pwd)
 838 cd "$sxe_srcdir"
 839 AS_IF([test "$have_git" = "yes"],
 840             [sxemacs_git_version=`git describe | head -1`])
 841 AS_IF([test -z "$sxemacs_git_version"],
 842         sxemacs_git_version="[]SXEM4CS_GIT_VERSION[]")
 843 AC_MSG_RESULT([$sxemacs_git_version])
 844 version="$sxemacs_git_version"
 845 cd "$CURDIR"
 846 main_version="$sxemacs_git_version"
 847 AC_DEFINE_UNQUOTED([EMACS_MAJOR_VERSION], [SXEM4CS_MAJOR_VERSION], [Description here!])
 848 AC_DEFINE_UNQUOTED([EMACS_MINOR_VERSION], [SXEM4CS_MINOR_VERSION], [Description here!])
 849 old_version=[]SXEM4CS_VERSION[]
 850 if test -n "[]SXEM4CS_BETA_VERSION[]"; then
 851         AC_MSG_CHECKING([if we are a beta version])
 852         if test "$beta" = "yes"; then
 853                 AC_MSG_RESULT([yes])
 854                 AC_DEFINE_UNQUOTED([EMACS_BETA_VERSION], [SXEM4CS_BETA_VERSION],
 855                         [Description here!])
 856         else
 857                 AC_MSG_RESULT([no])
 858                 AC_DEFINE_UNQUOTED([EMACS_PATCH_LEVEL], [SXEM4CS_BETA_VERSION],
 859                         [Description here!])
 860         fi
 861 fi
 862 AC_DEFINE_UNQUOTED([SXEMACS_CODENAME], ["[]SXEM4CS_CODENAME[]"], [Description here!])
 863 AC_DEFINE_UNQUOTED([EMACS_VERSION], ["$version"], [Description here!])
 864 AC_DEFINE_UNQUOTED([SXEMACS_GIT_VERSION], ["$sxemacs_git_version"],
 865         [Description here!])
 866
 867 PROGNAME=sxemacs
 868
 869 AC_DEFINE_UNQUOTED([EMACS_PROGNAME], ["$PROGNAME"], [Description here!])
 870
 871 ## build stuff in lib-src unconditionally
 872 SXE_APPEND([lib-src], [MAKE_SUBDIR])
 873 SXE_APPEND([lib-src], [INSTALL_ARCH_DEP_SUBDIR])
 874
 875 ## C compiler build chain
 876 AC_USE_SYSTEM_EXTENSIONS
 877 AC_LANG([C])
 878 AS_MESSAGE([Let's look for the entire C build chain])
 879 SXE_CHECK_CC
 880 SXE_CHECK_CFLAGS
 881
 882 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 883
 884 ## check machine chars
 885 AS_MESSAGE([Let's have a detailed glance at your machine])
 886 SXE_PROC_CPUID
 887 SXE_PROC_VENDORID
 888 SXE_NPROCESSORS
 889 SXE_CHECK_PROC_GOODNESS
 890
 891
 892 ## Debugging Options
 893 ## =================
 894 ## echo
 895 ## echo "Debugging Options"
 896 ## echo "================="
 897
 898 dnl ----------------------------------
 899 dnl Error checking and debugging flags
 900 dnl ----------------------------------
 901 dnl Error checking default to "yes" in beta versions, to "no" in releases.
 902 dnl Same goes for --enable-debug and --extra-verbosity.
 903 if test "$with_error_checking_extents" = yes; then
 904         have_error_checking_extents="yes"
 905         AC_DEFINE([ERROR_CHECK_EXTENTS], [1], [Description here!])
 906         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 907 fi
 908 if test "$with_error_checking_types" = yes; then
 909         have_error_checking_types="yes"
 910         AC_DEFINE([ERROR_CHECK_TYPECHECK], [1], [Description here!])
 911         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)],
 912                 [assert (assertion)], [
 913                 Make sure that all X... macros are dereferencing the correct type,
 914                 and that all XSET... macros (as much as possible) are setting the
 915                 correct type of structure.  Highly recommended for all
 916                 development work.])
 917         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 918 else
 919         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)], [], [])
 920 fi
 921 if test "$with_error_checking_bufpos" = yes; then
 922         have_error_checking_bufpos="yes"
 923         AC_DEFINE([ERROR_CHECK_BUFPOS], [1], [Description here!])
 924         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)],
 925                 [assert (assertion)], [dnl
 926                 Make sure valid buffer positions are passed to BUF_* macros])
 927         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 928 else
 929         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)], [], [])
 930 fi
 931 if test "$with_error_checking_gc" = yes; then
 932         have_error_checking_gc="yes"
 933         AC_DEFINE([ERROR_CHECK_GC], [1], [Description here!])
 934         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)],
 935                 [assert (assertion)], [dnl
 936                 Attempt to catch bugs related to garbage collection
 937                 (e.g. not GCPRO'ing)])
 938         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 939 else
 940         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)], [], [])
 941 fi
 942 if test "$with_error_checking_malloc" = yes; then
 943         have_error_checking_malloc="yes"
 944         AC_DEFINE([ERROR_CHECK_MALLOC], [1], [Description here!])
 945         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 946 fi
 947 if test "$with_error_checking_byte_code"  = yes; then
 948         have_error_checking_byte_code="yes"
 949         AC_DEFINE([ERROR_CHECK_BYTE_CODE], [1], [Description here!])
 950         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 951 fi
 952 if test "$with_error_checking_glyphs" = yes; then
 953         have_error_checking_glyphs="yes"
 954         AC_DEFINE([ERROR_CHECK_GLYPHS], [1], [Description here!])
 955         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 956 fi
 957
 958 dnl enable_debug=yes must be set when error checking is present.  This should be
 959 dnl fixed up.
 960 dnl with_debug implies other options
 961 if test "${with_debug:=$beta}" = "yes"; then
 962         with_memory_usage_stats=yes
 963         SXE_ADD_CRUFT_OBJS([debug.o])
 964         SXE_ADD_CRUFT_OBJS([tests.o])
 965         AC_DEFINE([DEBUG_SXEMACS], [1], [Description here!])
 966 fi
 967 if test "$with_memory_usage_stats" = "yes"; then
 968         AC_DEFINE([MEMORY_USAGE_STATS], [1], [Description here!])
 969 fi
 970
 971
 972
 973 dnl --------------------------------------------------------------
 974 dnl $opsys detection complete; defaults depending on $opsys follow
 975 dnl --------------------------------------------------------------
 976
 977
 978 dnl --------------------------------------------------------------
 979 dnl WooHoo! pdump is ON always and everywhere! --SY.
 980 dnl --------------------------------------------------------------
 981 with_pdump=yes
 982
 983 if test "$with_dynamic" != "no"; then
 984         case "$opsys" in
 985         hpux* | sunos4* )
 986                 with_dynamic=no
 987                 ;;
 988         *)
 989                 with_dynamic=yes
 990                 ;;
 991         esac
 992 fi
 993 if test "$with_dynamic" = "yes"; then
 994         case "$opsys" in
 995         hpux* | sunos4* | sco5 )
 996                 opsys="${opsys}-shr"
 997                 ;;
 998         decosf* )
 999                 ld_call_shared="-call_shared"
1000                 ;;
1001         darwin* )
1002                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1003                 if test "x$have_ld_no_pie" != "x"; then
1004                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1005                 fi
1006                 ;;
1007         esac
1008 else dnl "$with_dynamic" = "no"
1009         case "$opsys" in
1010         sol2 )
1011                 echo "Static linking is not supported on Solaris 2."
1012                 echo "Rerun configure without specifying --without-dynamic."
1013                 exit 1
1014                 ;;
1015         linux )
1016                 ld_call_shared="-Bstatic"
1017                 ;;
1018         decosf* )
1019                 ld_call_shared="-non_shared"
1020                 ;;
1021         darwin* )
1022                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1023                 if test "x$have_ld_no_pie" != "x"; then
1024                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1025                 fi
1026                 ;;
1027         esac
1028 fi
1029
1030 dnl Tools configuration
1031 case "$opsys" in
1032 aix* )
1033         NON_GNU_CC=xlc
1034         ;;      dnl Use xlc by default on AIX
1035 darwin )
1036         RANLIB="ranlib -c"
1037         ;;  dnl Avoid link error in lwlib-config.c
1038         ## this needs rework I think because RANLIB is provided by LT_INIT anyway
1039 esac
1040
1041 stack_trace_eye_catcher=\
1042 `echo ${PROGNAME}_${version}_${ac_cv_build} | sed 'y!@/.-!____!'`
1043 AC_DEFINE_UNQUOTED([STACK_TRACE_EYE_CATCHER], [$stack_trace_eye_catcher],
1044         [Just a very looong string to make traces more readable.])
1045
1046 dnl --------------------------------------------------
1047 dnl Determine the compiler, set up for feature testing
1048 dnl --------------------------------------------------
1049
1050 if test "$with_clash_detection" != "no"; then
1051         AC_DEFINE([CLASH_DETECTION], [1], [Description here!])
1052         SXE_ADD_CRUFT_OBJS([filelock.o])
1053 fi
1054
1055
1056 dnl what exactly do we determine here? and where is it used?
1057 dnl dnl Determine GCC version.
1058 dnl if test "$GCC" = "yes"; then
1059 dnl     AC_RUN_IFELSE([AC_LANG_SOURCE([[
1060 dnl int main ()
1061 dnl {
1062 dnl #if __GNUC__ >= 3
1063 dnl     return 11;
1064 dnl #else
1065 dnl     return 0;
1066 dnl #endif
1067 dnl }]])], [:], [dnl
1068 dnl case "$?" in
1069 dnl 11)
1070 dnl     echo "You appear to be using GCC version 3 or above."
1071 dnl     __GCC3=yes
1072 dnl     ;;
1073 dnl esac], [__GCC3=no])
1074 dnl fi
1075
1076 dnl We don't do AC_PROG_CC for SXEMACS_CC; if we can't trust these people....
1077 : ${SXEMACS_CC:="$CC"}
1078
1079 dnl Figure out what C preprocessor to use.
1080
1081 dnl On Sun systems, people sometimes set up the variable CPP
1082 dnl with a value that is a directory, not an executable at all.
1083 dnl Detect that case, and ignore that value.
1084 test -n "$CPP" -a -d "$CPP" && CPP=
1085
1086 test -n "$NON_GNU_CPP" -a "$GCC" != "yes" -a -z "$CPP" && CPP="$NON_GNU_CPP"
1087
1088 dnl --------------------------------------------------------------------
1089 dnl Compiler feature macros
1090 dnl --------------------------------------------------------------------
1091
1092
1093 dnl --------------------------------------------------------------------
1094 dnl Extract some information from the operating system and machine files
1095 dnl --------------------------------------------------------------------
1096
1097 echo "Extracting information from the machine- and system-dependent headers..."
1098
1099 SXE_CHECK_MACHARCH
1100 SXE_EXTRACT_MACHARCH_INFO
1101
1102 dnl s&m files shouldn't be required to define anything, or even to exist.
1103 dnl So we default SYSTEM_TYPE to the obvious documented standard, `uname -s`,
1104 dnl appropriately emacsulated.
1105 if test -z "$system_type"; then
1106         AC_DEFINE_UNQUOTED([SYSTEM_TYPE],
1107                 ["`uname -s | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"],
1108                 [Description here!])
1109 fi
1110
1111 dnl If the s&m files don't define a system-specific dumper, simply use pdump.
1112 dnl Sometime in the future, we'll remove all definitions of UNEXEC
1113 dnl from all the s&m files.
1114 test -z "$unexec" && with_pdump=yes
1115
1116 if test "$with_pdump" = "yes"; then
1117         ordinary_link="yes"
1118         ld="${ordinary_ld}"
1119         start_files=
1120         libs_standard=
1121         unexec=
1122         lib_gcc=
1123 fi
1124
1125 dnl dnl For debugging...
1126 dnl SXE_PRINT_VAR([libs_machine libs_system libs_termcap libs_standard
1127 dnl     objects_machine objects_system c_switch_machine c_switch_system
1128 dnl     ld_switch_machine ld_switch_system unexec ld_switch_shared
1129 dnl     ld lib_gcc ld_text_start_addr start_files ordinary_link
1130 dnl     have_terminfo mail_use_flock mail_use_lockf]) && echo ""
1131
1132 dnl bitch at build attempt on win32 machines
1133 case "$opsys" in mingw* | cygwin*)
1134         SXE_DIE("Invalid operation system. Cannot build on win32 machines.")
1135 esac
1136
1137 dnl Non-ordinary link usually requires -lc
1138 test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
1139
1140 ## perform compiler specific things
1141 SXE_DO_CC_HACKS
1142 ## machine specific extensions
1143 SXE_CHECK_SIMD_EXTENSIONS
1144
1145 ## some linker flags that might come in handy
1146 SXE_CHECK_LDFLAGS
1147
1148 ## suffices to be defined late, for instance here
1149 SXE_CHECK_PARSER_LEXER
1150
1151 if test "$with_pdump" != "yes"; then
1152         ## GNU ld now defaults to combreloc, which screws up unexec,
1153         ## but not pdump.
1154         ## Note that it's OK if the GNU style long option causes
1155         ## non-GNU ld to barf a usage message, that's often good
1156         ## enough.  Please report it, though.
1157         ## #### Should make this Solaris-friendly.
1158         ## Link with -z nocombreloc for now.
1159         SXE_CHECK_LD_ZFLAG([nocombreloc])
1160         if test "$sxe_cv_ld__z_nocombreloc" = "yes"; then
1161                 SXE_PREPEND_LINKER_FLAG([-z nocombreloc], [ld_switch_site])
1162         fi
1163 fi
1164
1165 dnl Inform compiler that certain flags are meant for the linker
1166 SXE_PROTECT_LINKER_FLAGS(ld_switch_system)
1167 SXE_PROTECT_LINKER_FLAGS(ld_switch_machine)
1168 SXE_PROTECT_LINKER_FLAGS(ld_switch_site)
1169 SXE_PROTECT_LINKER_FLAGS(LDFLAGS)
1170 SXE_PROTECT_LINKER_FLAGS(ld_call_shared)
1171
1172 dnl Add s&m-determined objects to link line
1173 test -n "$objects_machine" && SXE_ADD_CORE_OBJS($objects_machine)
1174 test -n "$objects_system"  && SXE_ADD_CORE_OBJS($objects_system)
1175 test "$with_pdump" = "yes" && SXE_ADD_CORE_OBJS(dumper.o)
1176
1177
1178 dnl Feed s&m crud to src/Makefile
1179
1180 dnl Linux/powerpc needs the following magic for some reason
1181 dnl [Not needed with YellowDog 2.3 and causes link problems with YellowDog 3.0,
1182 dnl the two most popular PowerPC distributions.]
1183 dnl test "$machine$opsys" = "powerpclinux" && start_flags="-T $sxe_srcdir/src/ppc.ldscript"
1184
1185 AC_LANG(C)
1186 if test "$unexec" = "unexaix.o"; then
1187 dnl AIX needs various hacks to make static linking work.
1188   if   test "$with_dynamic" = "no"; then
1189   start_flags="-Wl,-bnso,-bnodelcsect"
1190   test "$GCC" = "yes" && start_flags="-B/bin/ ${start_flags}"
1191   for f in "/lib/syscalls.exp" "/lib/threads.exp"; do
1192     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; fi
1193   done
1194   for f in "/usr/lpp/X11/bin/smt.exp" "/usr/bin/X11/smt.exp"; do
1195     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; break; fi
1196   done
1197   AC_CHECK_LIB([c], [terminateAndUnload], [SXE_APPEND(-lC, libs_system)])
1198   fi
1199 elif test -n "$ld_text_start_addr"; then
1200   start_flags="-T $ld_text_start_addr -e __start"
1201 fi
1202 AC_SUBST(start_flags)
1203
1204 AC_SUBST(ld_switch_shared)
1205 AC_SUBST(start_files)
1206 if test "$ordinary_link" = "no" -a "$GCC" = "yes"; then
1207         if test -z "$linker"; then
1208                 linker='$(CC) -nostdlib'
1209                 SXE_APPEND([-nostdlib], [start_flags])
1210         fi
1211         test -z "$lib_gcc" && lib_gcc='`$(CC) -print-libgcc-file-name`'
1212 fi
1213 test "$GCC" != "yes" && lib_gcc=
1214 AC_SUBST(ld)
1215 AC_SUBST(lib_gcc)
1216
1217
1218
1219 ## ---------------------------------------------------------------
1220 ## Add site and system specific flags to compile and link commands
1221 ## ---------------------------------------------------------------
1222
1223 ## compute those site prefixes
1224 SXE_COMPUTE_SITE_PREFIXES
1225 ## compute a LD_RUN_PATH
1226 SXE_COMPUTE_LD_RUN_PATH
1227
1228
1229 ## some header checks
1230 SXE_CHECK_BASIC_HEADERS
1231 ## the very basic c types
1232 SXE_CHECK_BASIC_TYPES
1233
1234 ## for signalling
1235 SXE_CHECK_SIGNALS
1236
1237 AC_CHECK_MEMBERS([struct stat.st_rdev])
1238 AC_CHECK_TYPES([ptrdiff_t])
1239
1240 ## check whether intptr_t is definied in sys/types.h
1241 SXE_CHECK_INTPTR_T
1242
1243 dnl -lm is required for floating point support, among other things
1244 AC_CHECK_FUNC([sin], [], [AC_CHECK_LIB([m], [sin])])
1245
1246
1247 dnl check for Make feature
1248 AC_PROG_MAKE_SET
1249
1250
1251 dnl check for long file names
1252 AC_SYS_LONG_FILE_NAMES
1253 AC_SYS_LARGEFILE
1254 AC_SYS_INTERPRETER
1255 AC_SYS_POSIX_TERMIOS
1256
1257 AC_FUNC_MALLOC
1258 AC_FUNC_MKTIME
1259
1260 dnl See if mkstemp is available
1261 AC_CHECK_FUNCS([mkstemp])
1262
1263 SXE_CHECK_FILE_LOCK
1264
1265 case "$opsys" in decosf*)
1266         AC_CHECK_LIB([pthreads], [cma_open])
1267         AS_IF([test "$ac_cv_lib_pthreads_cma_open" = "yes"],
1268                 c_switch_site="$c_switch_site -threads")
1269         ;;
1270 esac
1271
1272
1273 dnl ----------------------------------------------------------------
1274 dnl Miscellaneous flags
1275 dnl ----------------------------------------------------------------
1276
1277 AC_MSG_CHECKING(whether the -xildoff compiler flag is required)
1278 if   ${CC-cc} '-###' -xildon  no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ; then
1279   if ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
1280     then AC_MSG_RESULT(no);
1281     else AC_MSG_RESULT(yes); SXE_APPEND_UNDUP(-xildoff, ld_switch_site)
1282   fi
1283   else AC_MSG_RESULT(no)
1284 fi
1285
1286 dnl Link with "-z ignore" on Solaris if supported
1287 if test "$opsys" = "sol2"; then
1288   if test "$os_release" -ge 506; then
1289     AC_MSG_CHECKING(for "-z ignore" linker flag)
1290     case "`ld -h 2>&1`" in
1291       *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
1292         SXE_PREPEND_UNDUP(-z ignore, ld_switch_site) ;;
1293       *) AC_MSG_RESULT(no) ;;
1294     esac
1295   fi
1296 fi
1297
1298 dnl ----------------------------------------------------------------
1299 dnl Check for Unixoid pty/process support.
1300 dnl ----------------------------------------------------------------
1301
1302 dnl There is no "standard" pty allocation method.  Every system is different.
1303 dnl  getpt()  is the preferred pty allocation method on glibc systems.
1304 dnl _getpty() is the preferred pty allocation method on SGI systems.
1305 dnl grantpt(), unlockpt(), ptsname() are defined by Unix98.
1306 AC_CHECK_FUNCS([getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp])
1307
1308 dnl openpty() is the preferred pty allocation method on BSD and Tru64 systems.
1309 dnl openpty() might be declared in:
1310 dnl - pty.h (Tru64 or Linux)
1311 dnl - libutil.h (FreeBSD)
1312 dnl - util.h (NetBSD)
1313 AC_CHECK_FUNC(openpty, have_openpty=yes, [
1314   AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
1315 if test "$have_openpty" = "yes"; then
1316   AC_DEFINE([HAVE_OPENPTY], [1], [Description here!])
1317   AC_CHECK_HEADERS(libutil.h util.h, break)
1318   test "$need_libutil" = "yes" && SXE_APPEND(-lutil, libs_system)
1319 fi
1320
1321 dnl Check for system-specific pty header files
1322 dnl Often the TIOCSIG* symbols are hiding there.
1323 case "$opsys" in
1324   dnl HPUX pty.h #defines TRUE and FALSE, so just use ptyio.h there.
1325   hpux*) AC_CHECK_HEADERS(sys/ptyio.h) ;;
1326   *) AC_CHECK_HEADERS(pty.h)
1327      test "$ac_cv_header_pty_h" = "no" && AC_CHECK_HEADERS(sys/pty.h)
1328      ;;
1329 esac
1330
1331 dnl Check for STREAM support functions.
1332 dnl Confusingly, "str" means both "string" and "SysV Streams".
1333 AC_CHECK_HEADERS(stropts.h)
1334 if test "$ac_cv_header_stropts_h" = "yes"; then
1335   AC_CHECK_FUNCS(isastream)
1336   AC_CHECK_HEADERS(strtio.h) dnl TIOCSIGNAL
1337 fi
1338
1339 dnl Check whether the system provides getloadavg().
1340 AC_CHECK_FUNCS(getloadavg)
1341
1342 if test "$ac_cv_func_getloadavg" = "yes"; then
1343   dnl Solaris 8 declares getloadavg() in <sys/loadavg.h>.
1344   dnl glibc 2.2 declares getloadavg() in <stdlib.h>...
1345   dnl   ...if we #define _GNU_SOURCE, which we do.
1346   AC_CHECK_HEADERS(sys/loadavg.h)
1347 else
1348   dnl We define our own getloadavg() using lower level functions.
1349   SXE_ADD_CRUFT_OBJS([getloadavg.o])
1350
1351   dnl Used by getloadavg() - does not require root priveleges
1352   AC_CHECK_LIB(kstat, kstat_open)
1353   AC_CHECK_HEADERS(kstat.h)
1354
1355   dnl Another way to get the load average
1356   AC_CHECK_LIB(kvm, kvm_read)
1357 fi
1358
1359 dnl If netdb.h does not declare h_errno, we must declare it by hand.
1360 AC_MSG_CHECKING(whether netdb declares h_errno)
1361 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
1362   [[return h_errno;]])],
1363   [AC_MSG_RESULT(yes)
1364    AC_DEFINE([HAVE_H_ERRNO], [1], [Description here!])],
1365   [AC_MSG_RESULT(no)])
1366
1367 AC_MSG_CHECKING([for sigsetjmp])
1368 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1369 #include <setjmp.h>
1370         ]], [[
1371 sigjmp_buf bar;
1372 sigsetjmp (bar, 0);
1373         ]])],
1374         [sxe_cv_c_func_sigsetjmp="yes"],
1375         [sxe_cv_c_func_sigsetjmp="no"])
1376 AC_MSG_RESULT([$sxe_cv_c_func_sigsetjmp])
1377 if test "$sxe_cv_c_func_sigsetjmp" = "yes"; then
1378         AC_DEFINE([HAVE_SIGSETJMP], [1], [Description here!])
1379         AC_DEFINE_UNQUOTED([SETJMP(x)], [sigsetjmp (x, 0)], [dnl
1380                 We want to avoid saving the signal mask if possible, because
1381                 that necessitates a system call.])
1382         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [siglongjmp(x, y)], [dnl
1383                 Description here!])
1384         AC_DEFINE_UNQUOTED([JMP_BUF], [sigjmp_buf], [dnl
1385                 Description here!])
1386 else
1387         AC_DEFINE_UNQUOTED([SETJMP(x)], [setjmp(x)], [dnl
1388                 We want to avoid saving the signal mask if possible, because
1389                 that necessitates a system call.])
1390         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [longjmp(x, y)], [Description here!])
1391         AC_DEFINE_UNQUOTED([JMP_BUF], [jmp_buf], [Description here!])
1392 fi
1393
1394
1395 AC_MSG_CHECKING(whether localtime caches TZ)
1396 AC_CACHE_VAL(emacs_cv_localtime_cache,
1397 [if test "$ac_cv_func_tzset" = "yes"; then
1398 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
1399 #if STDC_HEADERS
1400 # include <stdlib.h>
1401 #endif
1402 extern char **environ;
1403 unset_TZ ()
1404 {
1405   char **from, **to;
1406   for (to = from = environ; (*to = *from); from++)
1407     if (! (to[[0]][[0]] == 'T' && to[[0]][[1]] == 'Z' && to[[0]][[2]] == '='))
1408       to++;
1409 }
1410 char TZ_GMT0[[]] = "TZ=GMT0";
1411 char TZ_PST8[[]] = "TZ=PST8";
1412 main()
1413 {
1414   time_t now = time ((time_t *) 0);
1415   int hour_GMT0, hour_unset;
1416   if (putenv (TZ_GMT0) != 0)
1417     exit (1);
1418   hour_GMT0 = localtime (&now)->tm_hour;
1419   unset_TZ ();
1420   hour_unset = localtime (&now)->tm_hour;
1421   if (putenv (TZ_PST8) != 0)
1422     exit (1);
1423   if (localtime (&now)->tm_hour == hour_GMT0)
1424     exit (1);
1425   unset_TZ ();
1426   if (localtime (&now)->tm_hour != hour_unset)
1427     exit (1);
1428   exit (0);
1429 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1430 [# If we have tzset, assume the worst when cross-compiling.
1431 emacs_cv_localtime_cache=yes])
1432 else
1433         # If we lack tzset, report that localtime does not cache TZ,
1434         # since we can't invalidate the cache if we don't have tzset.
1435         emacs_cv_localtime_cache=no
1436 fi],[:])dnl
1437 AC_MSG_RESULT($emacs_cv_localtime_cache)
1438 if test $emacs_cv_localtime_cache = yes; then
1439   AC_DEFINE([LOCALTIME_CACHE], [1], [Description here!])
1440 fi
1441
1442
1443 need_alloca_c=no
1444 dnl HP-UX has a working alloca in libPW.
1445 dnl case "${GCC}${opsys}" in hpux* )
1446 dnl  AC_CHECK_FUNC(alloca, [:], [AC_CHECK_LIB(PW, alloca)])
1447 dnl esac
1448
1449 dnl AC_FUNC_ALLOCA doesn't know about DEC C's #pragma intrinsic(alloca)
1450 if test "$__DECC" != "yes"; then
1451         AC_FUNC_ALLOCA
1452         if test -n "$ALLOCA"; then
1453                 SXE_ADD_CRUFT_OBJS([$ALLOCA])
1454                 need_alloca_c=yes
1455         fi
1456 fi
1457
1458 AC_MSG_CHECKING(for working alloca in function calls)
1459 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1460 #if defined (__GNUC__)
1461 #define alloca __builtin_alloca
1462 #elif defined (__DECC)
1463 #include <alloca.h>
1464 #pragma intrinsic(alloca)
1465 #elif defined (HAVE_ALLOCA_H)
1466 #include <alloca.h>
1467 #elif defined (_AIX)
1468 #pragma alloca
1469 #elif ! defined (alloca)
1470 #ifdef C_ALLOCA
1471 #define alloca xemacs_c_alloca
1472 #else
1473 void *alloca ();
1474 #endif /* C_ALLOCA */
1475 #endif /* !defined (alloca) */
1476
1477 void
1478 f1 (double a, void *ptr, int b)
1479 {
1480   unsigned char *ptr2 = (unsigned char *) ptr;
1481   if (ptr2[[0]] != 0xBF || ptr2[[1]] != 0xBF || ptr2[[3000]] != 0xBF)
1482     exit (1);
1483   if (a != 3.1415 || b != -5490)
1484     exit (1);
1485 }
1486
1487 int
1488 f2 (short c, void *ptr, long e)
1489 {
1490   unsigned char *ptr2 = (unsigned char *) ptr;
1491   if (ptr2[[0]] != 0xFB || ptr2[[1]] != 0xFB || ptr2[[1000]] != 0xFB)
1492     exit (1);
1493   if (c != 665 || e != 776776776)
1494     exit (1);
1495   f1 (3.1415, memset (alloca (3001), 0xBF, 3001), -5490);
1496   return 42;
1497 }
1498
1499 int
1500 main (int argc, char *argv[])
1501 {
1502   if (f2 (665, memset (alloca (1001), 0xFB, 1001), 776776776) != 42)
1503     return 1;
1504   return 0;
1505 }
1506 ]])], working_alloca_in_function_calls=yes, working_alloca_in_function_calls=no,
1507 working_alloca_in_function_calls=no)
1508 AC_MSG_RESULT($working_alloca_in_function_calls)
1509 test "$working_alloca_in_function_calls" != "yes" && \
1510   AC_DEFINE([BROKEN_ALLOCA_IN_FUNCTION_CALLS], [1], [Description here!])
1511
1512 AM_CONDITIONAL([NEED_ALLOCA_C], [
1513         test "$working_alloca_in_function_calls" = "yes" && \
1514         test "$need_alloca_c" = "yes"])
1515
1516 dnl Check whether strcoll exists and works correctly. (This does more
1517 dnl than just check for its existence.) If so, it defines HAVE_STRCOLL.
1518 AC_FUNC_STRCOLL
1519
1520 dnl If `getpgrp' takes no argument (the POSIX.1 version), define
1521 dnl `GETPGRP_VOID'.  Otherwise, it is the BSD version, which takes a
1522 dnl process ID as an argument.
1523 AC_CHECK_FUNCS(getpgrp)
1524 AC_FUNC_GETPGRP
1525
1526 dnl We used to call AC_FUNC_MMAP here
1527 dnl Instead we now use following, suggested by Neal Becker
1528 AC_MSG_CHECKING(for working mmap)
1529 case "$opsys" in ultrix* ) have_mmap=no ;; *)
1530 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1531 #include <unistd.h>
1532 #include <fcntl.h>
1533 #include <sys/mman.h>
1534
1535 #ifndef MAP_VARIABLE
1536 #define MAP_VARIABLE 0
1537 #endif
1538
1539 #ifndef MAP_FAILED
1540 #define MAP_FAILED -1
1541 #endif
1542
1543 int main (int argc, char *argv[])
1544 {
1545   int fd = -1;
1546   caddr_t p;
1547 #ifndef MAP_ANONYMOUS
1548   fd = open ("/dev/zero", O_RDWR);
1549   if (fd < 0)
1550     return 1;
1551 #define MAP_ANONYMOUS 0
1552 #endif
1553   if (mmap(0, 1024, PROT_READ | PROT_WRITE,
1554            MAP_PRIVATE | MAP_VARIABLE | MAP_ANONYMOUS,
1555            fd, 0) != (void *) MAP_FAILED)
1556     return 0;
1557   perror ("conftest: mmap failed");
1558   return 1;
1559 }]])], have_mmap=yes, have_mmap=no, have_mmap=no) ;;
1560 esac
1561 AC_MSG_RESULT($have_mmap)
1562 test "$have_mmap" = "yes" && AC_DEFINE([HAVE_MMAP], [1], [Description here!])
1563
1564 dnl rel_alloc requires either GNU malloc or system malloc with mmap
1565 dnl We only turn rel_alloc on by default if mmap is available.
1566 test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && with_rel_alloc=no
1567 if test "$with_rel_alloc $have_mmap" = "default yes"; then
1568         if test "$doug_lea_malloc" = "yes"; then
1569                 dnl Check if malloc() calls mmap(), making rel_alloc pointless.
1570                 AC_MSG_CHECKING(for M_MMAP_THRESHOLD)
1571                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],[[
1572 #ifndef M_MMAP_THRESHOLD
1573 #error No M_MMAP_THRESHOLD :-(
1574 !@+$%^&*_)(_ - unlikely to compile...
1575 #endif
1576                         ]])], [
1577                         with_rel_alloc=no
1578                         AC_MSG_RESULT(yes)], [
1579                         with_rel_alloc=yes
1580                         AC_MSG_RESULT(no)])
1581         else
1582                 with_rel_alloc=yes
1583         fi
1584 fi
1585 if test "$with_rel_alloc" = "yes"; then
1586         AC_DEFINE([REL_ALLOC], [1], [Description here!])
1587         SXE_ADD_MEMALLOC_OBJS(ralloc.o)
1588 fi
1589
1590 dnl Check for tests/rminal I/O variants
1591 dnl TERMIOS systems may have termio.h, but not vice-versa, I think.
1592 AC_CHECK_HEADER(termios.h,
1593   AC_DEFINE([HAVE_TERMIOS], [1], [Description here!])
1594   AC_DEFINE([SIGNALS_VIA_CHARACTERS], [1], [Description here!])
1595   AC_DEFINE([NO_TERMIO], [1], [Description here!]),
1596   [AC_CHECK_HEADER(termio.h, [AC_DEFINE([HAVE_TERMIO], [1], [Description here!])])])
1597
1598
1599 dnl Check for directory variants
1600 AC_CHECK_HEADER(dirent.h, [AC_DEFINE([SYSV_SYSTEM_DIR], [1], [Description here!])],
1601   [AC_CHECK_HEADER(sys/dir.h, , [AC_DEFINE([NONSYSTEM_DIR_LIBRARY], [1], [Description here!])])])
1602
1603 dnl check for readdir64_r (the reentrant version of readdir64)
1604 AC_CHECK_FUNC(readdir64_r, [AC_DEFINE([HAVE_LARGEFILE], [1], [Description here!])])
1605
1606 dnl Check for nlist.h
1607 AC_CHECK_HEADER([nlist.h], [AC_DEFINE([NLIST_STRUCT], [1], [Description here!])], [])
1608
1609 dnl firstly check for pthread support so that we can use the
1610 dnl asynchronous playing routines
1611
1612 dnl special pthread handling
1613 dnl AIX uses pthreads instead of pthread, and HP/UX uses cma
1614 dnl FreeBSD uses -pthread
1615 AC_CHECK_LIB(pthread, pthread_create)
1616 if test "${ac_cv_lib_pthread_pthread_create}" = "yes"; then
1617         have_threads=yes
1618
1619         SXE_CHECK_COMPILER_FLAGS([-pthreads])
1620         SXE_CHECK_COMPILER_FLAGS([-pthread])
1621         if test "${sxe_cv_c_flags__pthreads}" = "yes"; then
1622                 SXE_PREPEND_UNDUP([-pthreads], [c_switch_site])
1623         fi
1624         if test "${sxe_cv_c_flags__pthread}" = "yes"; then
1625                 SXE_PREPEND_UNDUP([-pthread], [c_switch_site])
1626         fi
1627         SXE_PREPEND([-lpthread], [MM_LIBS])
1628 fi
1629
1630 dnl test for AIX pthreads
1631 AC_CHECK_LIB(pthreads, pthread_create)
1632 if test $ac_cv_lib_pthreads_pthread_create = yes; then
1633   have_threads=yes
1634   SXE_PREPEND(-lpthreads, MM_LIBS)
1635 fi
1636
1637 dnl test for HPUX cma threads.
1638 AC_CHECK_LIB(cma, pthread_create)
1639 if test $ac_cv_lib_cma_pthread_create = yes; then
1640   have_threads=yes
1641   SXE_PREPEND(-lcma, MM_LIBS)
1642 fi
1643
1644 dnl FreeBSD -pthread check
1645 AC_DEFUN([AC_PTHREAD_FREEBSD],
1646 [AC_MSG_CHECKING([if we need -pthread for threads])
1647 AC_CACHE_VAL(ac_cv_ldflag_pthread,
1648         [ac_save_ld_switch_site="$ld_switch_site"
1649         ld_switch_site="-pthread $ld_switch_site"
1650         AC_LINK_IFELSE([AC_LANG_PROGRAM([[char pthread_create();]],
1651         [[char pthread_create();]])],
1652         eval "ac_cv_ldflag_pthread=yes",
1653         eval "ac_cv_ldflag_pthread=no"),
1654         ld_switch_site="$ac_save_ld_switch_site"
1655 ])
1656 if eval "test \"`echo $ac_cv_ldflag_pthread`\" = yes"; then
1657         AC_MSG_RESULT(yes)
1658         have_threads=yes
1659         SXE_PREPEND_UNDUP("-pthread", ld_switch_site)
1660         SXE_PREPEND_UNDUP("-D_THREAD_SAFE", c_switch_site)
1661 else
1662         AC_MSG_RESULT(no)
1663 fi])
1664
1665 dnl If all other thread tests fail, try BSD's -pthread
1666 if test "$have_threads" != yes; then
1667   AC_PTHREAD_FREEBSD
1668 fi
1669
1670 if test "$have_threads" = yes; then
1671   AC_DEFINE([HAVE_THREADS], [1], [Description here!])
1672 fi
1673
1674
1675 ## Internal Options
1676 ## ================
1677
1678 echo
1679 echo "Internal Options"
1680 echo "================"
1681
1682 SXE_CHECK_LIBTOOL
1683 SXE_CHECK_LIBLTDL
1684
1685 dnl ----------------------------------------------------------------
1686 dnl Check for POSIX functions.
1687 dnl ----------------------------------------------------------------
1688
1689 SXE_CHECK_BASIC_FUNS
1690 AC_CHECK_FUNCS([alarm cbrt closedir dup2 eaccess endpwent floor fmod fpathconf frexp fsync ftime ftruncate getaddrinfo getcwd gethostbyname gethostname getnameinfo getpagesize getrlimit gettimeofday getwd isascii isatty link logb lrand48 matherr memchr memmove memset mkdir mktime munmap perror poll pow putenv random re_comp readlink regcomp rename res_init rint rmdir select setitimer setlocale setpgid setsid sigblock sighold sigprocmask snprintf socket sqrt stpcpy strncpy strncat strcasecmp strchr strdup strerror strlwr strrchr strspn strtol strupr symlink ttyname tzset ulimit umask uname usleep utime vlimit vsnprintf waitpid wcscmp wcslen])
1691
1692 AS_IF([test "$have_isatty" = "yes"],
1693         AC_DEFINE([HAVE_ISATTY], [1], [isatty is available]))
1694 AS_IF([test "$have_ttyname" = "yes"],
1695         AC_DEFINE([HAVE_TTYNAME], [1], [ttyname is available]))
1696
1697
1698 ## combines all these time structures and funs
1699 SXE_CHECK_METRONOME
1700 SXE_CHECK_SUFFICIENCY([metronome], [metronome])
1701
1702 ## check for a sane dirname/realpath
1703 SXE_CHECK_DIRNAME
1704 SXE_CHECK_REALPATH
1705
1706 dnl -----------------------------------
1707 dnl Do some misc autoconf-special tests
1708 dnl -----------------------------------
1709
1710 dnl Do the opsystem or machine files prohibit the use of the GNU malloc?
1711 dnl Assume not, until told otherwise.
1712 GNU_MALLOC=yes
1713 if test "$with_dlmalloc" != "no"; then
1714         doug_lea_malloc=yes
1715 else
1716         doug_lea_malloc=no
1717 fi
1718 after_morecore_hook_exists=yes
1719 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1720 AC_MSG_CHECKING(whether __after_morecore_hook exists)
1721 AC_LINK_IFELSE([AC_LANG_SOURCE([[extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0]])],
1722   [AC_MSG_RESULT(yes)],
1723   [AC_MSG_RESULT(no)
1724    after_morecore_hook_exists=no])
1725 if test "$system_malloc" = "yes" ; then
1726   GNU_MALLOC=no
1727   GNU_MALLOC_reason="
1728     - The GNU allocators don't work with this system configuration."
1729 elif test "$with_system_malloc" = "yes" ; then
1730   GNU_MALLOC=no
1731   GNU_MALLOC_reason="
1732     - User chose not to use GNU allocators."
1733 elif test "$with_debug_malloc" = "yes" ; then
1734   GNU_MALLOC=no
1735   GNU_MALLOC_reason="
1736     - User chose to use Debugging Malloc."
1737 fi
1738
1739 if test "$doug_lea_malloc" = "yes" -a "$GNU_MALLOC" = "yes" ; then
1740         GNU_MALLOC_reason="
1741     - Using Doug Lea's new malloc from the GNU C Library."
1742         AC_DEFINE([DOUG_LEA_MALLOC], [1], [Description here!])
1743         if test "$after_morecore_hook_exists" = "no" ; then
1744                 GNU_MALLOC_reason="
1745     - Using Doug Lea's new malloc from the Linux C Library."
1746         AC_DEFINE([_NO_MALLOC_WARNING_], [1], [Description here!])
1747         fi
1748 fi
1749 AM_CONDITIONAL([USE_MEMALLOC], [test -n "${libmemalloc_objs}"])
1750
1751 dnl #### mcheck is broken in all versions of Linux libc and glibc.
1752 dnl Try this again when 2.1 hits the streets.
1753 dnl Avoid using free-hook.c if support exists for malloc debugging in libc
1754 have_libmcheck=no
1755 if test "$with_error_checking_malloc" = "yes" -a \
1756    "$have_glibc" = "yes" -a \
1757    "$doug_lea_malloc" = "yes"; then
1758         AC_CHECK_HEADERS(mcheck.h)
1759         AC_CHECK_LIB(mcheck, mcheck, [have_libmcheck=yes], [have_libmcheck=no])
1760 fi
1761
1762 if test "$with_module_support" != "no"; then
1763         AS_MESSAGE([checking for module support])
1764         if test "$sxe_cv_feat_libltdl" = "yes"; then
1765                 have_module_support="yes"
1766                 with_module_support="yes"
1767                 SXE_ADD_CRUFT_OBJS([emodules-ng.o])
1768                 AC_DEFINE([HAVE_EMODULES], [1], [Whether emods would be available])
1769                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1770         else
1771                 have_module_support="no"
1772                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1773         fi
1774 fi
1775
1776 AM_CONDITIONAL([DESCEND_MODULES],
1777         [test "$with_module_support $have_module_support" = "yes yes"])
1778 if test "$with_module_support $have_module_support" = "yes"; then
1779         SXE_APPEND([src], [MAKE_SUBDIR])
1780         SXE_APPEND([src], [INSTALL_ARCH_DEP_SUBDIR])
1781         SXE_APPEND([modules], [MAKE_AM_SUBDIR])
1782         SXE_APPEND([modules], [SRC_SUBDIR_DEPS])
1783 dnl else
1784 dnl     MOD_CC="$SXEMACS_CC"
1785 dnl     MODCFLAGS="\$(SXE_CFLAGS) -I../../src -I\$(sxe_srcdir)/../../src"
1786 dnl     INSTALLPATH=""
1787 dnl     MOD_INSTALL_PROGRAM="true"
1788 dnl     OBJECT_TO_BUILD="\$(MODNAME).o"
1789 fi
1790
1791 if test "$with_modules_ase" = "yes"; then
1792         have_modules_ase=yes
1793 fi
1794 if test "$with_static_modules_ase" = "yes"; then
1795         have_static_modules_ase=yes
1796 fi
1797 SXE_EMOD_STATMOD([ase])
1798 if test "$have_modules_ase $have_static_modules_ase" != " "; then
1799         have_ase_cart="yes"
1800         have_ase_dig="yes"
1801         have_ase_intv="yes"
1802         have_ase_metric="yes"
1803         have_ase_nbhood="yes"
1804         have_ase_perm="yes"
1805         have_ase_resclass="yes"
1806 fi
1807 if test "$have_bison" = "yes"; then
1808         if test "$with_modules_cl" = "yes" ; then
1809                 have_modules_cl="yes"
1810         fi
1811         if test "$with_static_modules_cl" = "yes"; then
1812                 have_static_modules_cl="yes"
1813         fi
1814 else
1815         if test "$with_modules_cl" = "yes" -o "$with_static_modules_cl" = "yes"; then
1816                 AC_MSG_WARN([Sorry no bison means no cl module for you.])
1817         fi
1818 fi
1819
1820 SXE_EMOD_STATMOD([cl])
1821
1822 dnl D-Bus
1823 SXE_CHECK_DBUS
1824 if test "$have_dbus" = "yes"; then
1825         if test "$with_modules_dbus" = "yes"; then
1826                 have_modules_dbus=yes
1827         fi
1828         if test "$with_static_modules_dbus" = "yes"; then
1829                 have_static_modules_dbus=yes
1830         fi
1831         SXE_EMOD_STATMOD([dbus])
1832 else
1833         AC_MSG_WARN([I cannot believe you do not have d-bus.])
1834 fi
1835
1836 AM_CONDITIONAL([AUTARKIC], [test "0" = "1"])
1837 MODARCHDIR=
1838 MAKE_DOCFILE="$sxe_blddir/lib-src/make-docfile"
1839 ELLMAKEDOC=$MAKE_DOCFILE
1840 ELLCC=$MOD_CC
1841 AC_SUBST(ELLCC)
1842 AC_SUBST(ELLMAKEDOC)
1843 AC_SUBST(with_modules, $with_modules)
1844 AC_SUBST(MOD_CC)
1845 AC_SUBST(MODARCHDIR)
1846 AC_SUBST(MAKE_DOCFILE)
1847 AC_SUBST(MODCFLAGS)
1848 AC_SUBST(INSTALLPATH)
1849 AC_SUBST(MOD_INSTALL_PROGRAM)
1850 AC_SUBST(OBJECT_TO_BUILD)
1851 SXE_SUBST_STATMOD_A
1852
1853 ## FFI support
1854 SXE_CHECK_FFI
1855 SXE_CHECK_SUFFICIENCY([ffi], [FFI support], [
1856         ## additional actions
1857         AC_DEFINE([HAVE_LIBFFI], [1], [Description here!])
1858         HAVE_LIBFFI=yes
1859         FFI_LIBS="-lffi"
1860         SXE_ADD_CRUFT_OBJS([effi.o])
1861 ])
1862
1863 ## ENT support
1864 SXE_CHECK_ENT
1865
1866 ## check for pseudo gaussian numbers
1867 AC_MSG_CHECKING([for pseug (gaussian numbers)])
1868 if test "$sxe_cv_feat_gmp" = "yes"; then
1869         ## the good case
1870         AC_DEFINE([HAVE_PSEUG], [1], [Whether we COULD do gaussian numbers!])
1871         sxe_cv_feat_pseug="yes"
1872 else
1873         sxe_cv_feat_pseug="no"
1874 fi
1875 AC_MSG_RESULT([$sxe_cv_feat_pseug])
1876
1877 ## check for pseudo complex numbers
1878 AC_MSG_CHECKING([for pseuc (pseudo complex numbers)])
1879 if test "$sxe_cv_feat_mpfr" = "yes"; then
1880         ## the good case
1881         AC_DEFINE([HAVE_PSEUC], [1], [Whether we COULD do complex numbers!])
1882         sxe_cv_feat_pseuc="yes"
1883 else
1884         sxe_cv_feat_pseuc="no"
1885 fi
1886 AC_MSG_RESULT([$sxe_cv_feat_pseuc])
1887
1888 ## check for pseudo quaternions
1889 AC_MSG_CHECKING([for quatern (quaternion numbers)])
1890 if test "$sxe_cv_feat_gmp" = "yes"; then
1891         ## the good case
1892         AC_DEFINE([HAVE_QUATERN], [1], [Whether we COULD do quaternions!])
1893         sxe_cv_feat_quatern="yes"
1894 else
1895         sxe_cv_feat_quatern="no"
1896 fi
1897 AC_MSG_RESULT([$sxe_cv_feat_quatern])
1898
1899
1900 ## go through what the PH^Wuser has specified
1901 ## it's a wee bit more complex, so let's go for it
1902 ## we use a dijkstra-if
1903 ent_dijkstra="$with_ent_gmp $sxe_cv_feat_gmp"
1904 if test "$ent_dijkstra" = "yes yes"; then
1905         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1906         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1907         SXE_ADD_ENT_OBJS([ent-gmp.o])
1908         have_ent_gmp="yes"
1909 elif test "$ent_dijkstra" = "yes no"; then
1910         ## pity, we wanted GMP but we dont have it
1911         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1912         have_ent_gmp="no"
1913 elif test "$ent_dijkstra" = "no yes"; then
1914         ## we didn't want GMP but we have it
1915         ## do nothing in that case
1916         have_ent_gmp="no"
1917 elif test "$ent_dijkstra" = "no no"; then
1918         ## great, we didnt opt for GMP and we're lucky, it's not there either
1919         have_ent_gmp="no"
1920 fi
1921
1922 ## evaluate mpfr results
1923 ent_dijkstra="$with_ent_mpfr $sxe_cv_feat_mpfr"
1924 if test "$ent_dijkstra" = "yes yes"; then
1925         ## the good case
1926         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1927         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1928         SXE_ADD_ENT_OBJS([ent-mpfr.o])
1929         have_ent_mpfr="yes"
1930 elif test "$ent_dijkstra" = "yes no"; then
1931         ## we want but can't have
1932         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1933         have_ent_mpfr="no"
1934 elif test "$ent_dijkstra" = "no yes"; then
1935         have_ent_mpfr="no"
1936 elif test "$ent_dijkstra" = "no no"; then
1937         have_ent_mpfr="no"
1938 fi
1939
1940
1941 ## whether to enable gaussian numbers
1942 ent_dijkstra="$with_ent_pseug $sxe_cv_feat_pseug"
1943 if test "$ent_dijkstra" = "yes yes"; then
1944         ## perfick
1945         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1946         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1947         SXE_ADD_ENT_OBJS([ent-gaussian.o])
1948         have_ent_pseug="yes"
1949 elif test "$ent_dijkstra" = "yes no"; then
1950         ## grrrr
1951         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1952         have_ent_pseug="no"
1953 elif test "$ent_dijkstra" = "no yes"; then
1954         have_ent_pseug="no"
1955 elif test "$ent_dijkstra" = "no no"; then
1956         have_ent_pseug="no"
1957 fi
1958
1959 ## whether to enable emulated complex numbers
1960 ent_dijkstra="$with_ent_pseuc $sxe_cv_feat_pseuc $with_ent_mpc $sxe_cv_feat_mpc"
1961 if test "$ent_dijkstra" = "yes yes yes yes"; then
1962         ## skip pseuc usage
1963         have_ent_pseuc="veto"
1964         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1965         AS_MESSAGE([ENT: Built-in support for complex numbers available, dnl
1966 but omitted in favour of MPC.])
1967         omit_ent_pseuc_in_favour_of="mpc"
1968         ## set up to use plain mpc
1969         AC_DEFINE([WITH_MPC], [1], [Description here!])
1970         SXE_PREPEND([$MPC_LIBS], [ENT_LIBS])
1971         SXE_ADD_ENT_OBJS([ent-mpc.o])
1972         have_ent_mpc="yes"
1973 elif test "$ent_dijkstra" = "yes yes yes no"; then
1974         ## user planned to use mpc, hasnt got it though
1975         ## now he's cursed with pseudo complex numbers :)
1976         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1977         have_ent_pseuc="yes"
1978         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1979         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1980         ## we want mpc but can't have, set up that
1981         AC_DEFINE([WITH_MPC], [1], [Description here!])
1982         have_ent_mpc="no"
1983 elif test "$ent_dijkstra" = "yes yes no yes"; then
1984         ## user coulda used mpc but disabled it for whatever reasons ... Wait!
1985         ## Horst, is that you?!
1986         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1987         AS_MESSAGE([ENT: dnl
1988 MPC support for complex numbers IS possible, however YOU think you want dnl
1989 the built-in emulated stuff?  Seriously?  Good, so be it!])
1990         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1991         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1992         have_ent_pseuc="yes"
1993         omit_ent_mpc_in_favour_of="pseuc"
1994         ## however brag that we have mpc
1995         have_ent_mpc="yes"
1996 elif test "$ent_dijkstra" = "yes yes no no"; then
1997         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1998         have_ent_pseuc="yes"
1999         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
2000         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
2001         have_ent_mpc="no"
2002 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "yes no"; then
2003         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
2004         have_ent_pseuc="no"
2005 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no yes"; then
2006         have_ent_pseuc="no"
2007 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no no"; then
2008         have_ent_pseuc="no"
2009 fi
2010
2011 ## whether to enable gaussian numbers
2012 ent_dijkstra="$with_ent_quatern $sxe_cv_feat_quatern"
2013 if test "$ent_dijkstra" = "yes yes"; then
2014         ## perfick
2015         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2016         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
2017         SXE_ADD_ENT_OBJS([ent-quatern.o])
2018         have_ent_quatern="yes"
2019 elif test "$ent_dijkstra" = "yes no"; then
2020         ## grrrr
2021         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2022         have_ent_quatern="no"
2023 elif test "$ent_dijkstra" = "no yes"; then
2024         have_ent_quatern="no"
2025 elif test "$ent_dijkstra" = "no no"; then
2026         have_ent_quatern="no"
2027 fi
2028
2029 ## elliptic curve support
2030 ent_dijkstra="$with_ent_ecm $sxe_cv_feat_ecm"
2031 if test "$ent_dijkstra" = "yes yes"; then
2032         ## perfick case
2033         AC_DEFINE([WITH_ECM], [1], [Description here!])
2034         SXE_PREPEND([$ECM_LIBS], [ENT_LIBS])
2035         SXE_ADD_ENT_OBJS([ent-ecm.o])
2036         have_ent_ecm="yes"
2037 elif test "$ent_dijkstra" = "no yes"; then
2038         have_ent_ecm="no"
2039 elif test "$ent_dijkstra" = "yes no"; then
2040         AC_DEFINE([WITH_ECM], [1], [Description here!])
2041         have_ent_ecm="no"
2042 elif test "$ent_dijkstra" = "no no"; then
2043         have_ent_ecm="no"
2044 fi
2045
2046
2047 ## Floating operation support is now unconditional
2048 SXE_CHECK_MATHS_VALUES
2049 if test "$ac_cv_sizeof_long_double" != 0; then
2050         ##AC_DEFINE_UNQUOTED([fpfloat], [long double], [Description here!])
2051         ##AC_DEFINE([fpfloat_long_double_p], [1], [Description here!])
2052         fpfloat="long double"
2053         fpfloat_long_double_p=1
2054         have_fpfloat=yes
2055 elif test "$ac_cv_sizeof_double" != 0; then
2056         ##AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2057         ##AC_DEFINE([fpfloat_double_p], [1], [Description here!])
2058         fpfloat="double"
2059         fpfloat_double_p=1
2060         have_fpfloat=yes
2061 else
2062         AS_MESSAGE([Uh oh, no float type is bad news.])
2063         have_fpfloat=no
2064 fi
2065
2066 AC_MSG_CHECKING([if need to add -lm])
2067 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2068 #include <math.h>
2069 ]],[[
2070 return sin(0.0);
2071 ]])], [AC_MSG_RESULT([no])], [
2072         AC_MSG_RESULT([maybe])
2073         save_LIBS=$LIBS
2074         SXE_APPEND([-lm], [LIBS])
2075         AC_MSG_CHECKING([if can add -lm])
2076         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2077 #include <math.h>
2078 ]],[[
2079 return sin(0.0);
2080 ]])], [AC_MSG_RESULT([yes])], [
2081         AC_MSG_RESULT([no])
2082         AC_MSG_WARN([No way to use math functions found. Reverting option append.])
2083         LIBS=$save_LIBS])])
2084
2085
2086
2087 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2088 #include <math.h>
2089 ]],[[
2090 return atanh(1.0) + asinh(1.0) + acosh(1.0);
2091 ]])], [AC_DEFINE([HAVE_INVERSE_HYPERBOLIC], [1], [Description here!])])
2092
2093 if test "$have_fpfloat" = "yes"; then
2094         AC_DEFINE([HAVE_FPFLOAT], [1], [Description here!])
2095
2096         SXE_CHECK_CLEAN_FLOATOPS(
2097                 [have_clean_floatops="yes"], [have_clean_floatops="no"])
2098
2099         ## it would seem odd to define the destiny of our float arithmetic here
2100         if test "$have_clean_floatops" = "yes"; then
2101                 AC_DEFINE_UNQUOTED([fpfloat], [$fpfloat], [Description here!])
2102                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2103                         [${fpfloat_long_double_p:-0}], [Description here!])
2104                 AC_DEFINE_UNQUOTED([fpfloat_double_p],
2105                         [${fpfloat_double_p:-0}], [Description here!])
2106         else
2107                 AS_MESSAGE([downgrading to `double' floats])
2108                 AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2109                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2110                         [0], [Description here!])
2111                 AC_DEFINE([fpfloat_double_p],
2112                         [1], [Description here!])
2113         fi
2114 fi
2115
2116 ## trivial checks, you cannot (yet) turn off internal arithmetic entirely
2117 ## so we always `have' it
2118 dnl with_ent_int=yes
2119 have_ent_int=yes
2120 dnl with_ent_indef=yes
2121 have_ent_indef=yes
2122 dnl with_ent_fpfloat=yes
2123 have_ent_fpfloat=yes
2124 dnl we attempt to always use ent.o
2125 AC_DEFINE([WITH_NUMBER_TYPES], [1], [Description here!])
2126 SXE_SUBST_ENT_OBJS
2127
2128 dnl experimental code support
2129 if test "$with_compre" != "no"; then
2130         AC_MSG_CHECKING([if compre prerequisites are met])
2131         AC_MSG_RESULT([yes])
2132         AC_DEFINE([EF_USE_COMPRE], [1],
2133                 [Whether to provide compiled regular expression!])
2134         have_compre=yes
2135 fi
2136 if test "$with_experimental_features_pom" = "yes"; then
2137         AC_MSG_CHECKING([if pom prerequisites are met])
2138         if test "$have_threads" = "yes"; then
2139                 AC_MSG_RESULT([yes])
2140                 AC_DEFINE([EF_USE_POM], [1],
2141                         [Whether to protect all lisp objects with mutexes!])
2142                 have_experimental_features_pom=yes
2143         else
2144                 AC_MSG_RESULT([no])
2145         fi
2146 fi
2147 if test "$with_experimental_features_asyneq" = "yes"; then
2148         AC_MSG_CHECKING([if asyneq prerequisites are met])
2149         if test "$have_threads" = "yes"; then
2150                 AC_MSG_RESULT([yes])
2151                 AC_DEFINE([EF_USE_ASYNEQ], [1],
2152                         [Whether to setup asynchronous event queues!])
2153                 have_experimental_features_asyneq=yes
2154                 SXE_ADD_EVENTS_OBJS([event-queue.o workers.o worker-asyneq.o])
2155         else
2156                 AC_MSG_RESULT([no])
2157         fi
2158 fi
2159 SXE_SUBST_EVENTS_OBJS
2160
2161 SXE_CHECK_EVENTS
2162 SXE_CHECK_SUFFICIENCY([events], [event system])
2163
2164 ## check asm helpers
2165 SXE_CHECK_ASM_HELPERS
2166
2167 ## compression titbits
2168 SXE_CHECK_ZLIB
2169 SXE_CHECK_BZLIB
2170 SXE_CHECK_LZMA
2171
2172
2173 ## Cryptography Options
2174 ## ====================
2175 echo
2176 echo "Cryptography Options"
2177 echo "===================="
2178
2179 ## in case someone else (ldap, pgsql, etc.) needs it
2180 SXE_CHECK_OPENSSL
2181 SXE_CHECK_SUFFICIENCY([openssl], [OpenSSL support])
2182
2183 dnl OpenSSL
2184 if test "$with_openssl" != "no" -a "$have_openssl" = "yes"; then
2185         SXE_ADD_CRUFT_OBJS([openssl.o])
2186 elif test "$with_openssl" != "no"; then
2187         AC_MSG_WARN([Required OpenSSL support cannot be provided.])
2188         AC_MSG_WARN([Check --with-site-prefixes.])
2189 fi
2190 if test "$have_openssl" = "no" -o "$with_openssl" = "no"; then
2191         OPENSSL_CPPFLAGS=""
2192         OPENSSL_LDFLAGS=""
2193         OPENSSL_LIBS=""
2194 fi
2195 AC_SUBST([OPENSSL_CPPFLAGS])
2196 AC_SUBST([OPENSSL_LDFLAGS])
2197 AC_SUBST([OPENSSL_LIBS])
2198
2199 SXE_CHECK_KERBEROS
2200 SXE_CHECK_KERBEROS5
2201 if test "$with_kerberos" = "yes"; then
2202         AC_DEFINE([WITH_KERBEROS], [1], [Whether kerberos support was requested])
2203         if test "$sxe_cv_feat_kerberos" = "yes"; then
2204                 SXE_PREPEND([$KERBEROS_LIBS], [ld_libs_general])
2205         fi
2206 fi
2207
2208
2209 ## Networking Options
2210 ## ==================
2211 echo
2212 echo "Networking Options"
2213 echo "=================="
2214
2215 SXE_CHECK_SOCKETS
2216 SXE_CHECK_SUFFICIENCY([unix], [unix domain sockets])
2217 SXE_CHECK_SUFFICIENCY([sysvipc], [SysV IPC message])
2218 SXE_CHECK_SUFFICIENCY([sockets], [tcp/udp sockets])
2219 SXE_CHECK_SUFFICIENCY([tcpudp], [tcp/udp sockets])
2220 SXE_CHECK_SUFFICIENCY([multicast], [multicast])
2221
2222 dnl Decnet
2223 if test "$with_dnet" = "yes"; then
2224   AC_CHECK_LIB(dnet, main,
2225     [AC_DEFINE([HAVE_LIBDNET], [1], [Description here!])],
2226     [SXE_DIE("DECnet requested but can't find libdnet")])
2227 fi
2228
2229 dnl Socks support
2230 if test "$with_socks" = "yes"; then
2231   AC_CHECK_LIB(socks, SOCKSinit)
2232   test -n "$ac_cv_lib_socks_SOCKSinit" && AC_DEFINE([HAVE_SOCKS], [1], [Description here!])
2233 fi
2234
2235
2236 ## Window System Features
2237 ## ======================
2238 echo
2239 echo "Window System Features"
2240 echo "======================"
2241
2242 dnl ----------------------
2243 dnl Choose a window system
2244 dnl ----------------------
2245
2246 AS_MESSAGE([checking for specified window system])
2247
2248 if test "$with_x" != "no"; then
2249         if test "$with_x11" != "no"; then
2250                 dnl User-specified --x-includes or --x-libraries implies --with-x11.
2251                 test "$x_includes $x_libraries" != "NONE NONE" && \
2252                         window_system=x11
2253                         with_x11=yes
2254         fi
2255
2256         dnl Autodetection of X11 libraries and includes
2257         dnl -------------------------------------------
2258         dnl AC_PATH_XTRA thinks it can find our X headers and includes, but
2259         dnl it often gets it wrong, so we only use it as a last resort.
2260
2261         dnl $OPENWINHOME implies --x-includes and --x-libraries
2262         dnl Not (yet) handled by autoconf2
2263         if test "$x_includes $x_libraries" = "NONE NONE" \
2264                 -a -n "$OPENWINHOME" \
2265                 -a "$OPENWINHOME" != "/usr/openwin" \
2266                 -a -d "$OPENWINHOME"; then
2267                 test -d "$OPENWINHOME/lib"           && \
2268                         x_libraries="$OPENWINHOME/lib"
2269                 test -d "$OPENWINHOME/include"       && \
2270                         x_includes="$OPENWINHOME/include"
2271                 test -d "$OPENWINHOME/share/include" && \
2272                         x_includes="$OPENWINHOME/share/include"
2273         fi
2274
2275         if test -z "$x_includes" -o \
2276            "$x_includes" = "NONE" -o \
2277            ! -d "$x_includes"; then
2278                 dnl AC_PATH_XTRA often guesses /usr/include, when some other
2279                 dnl include directory is a MUCH better guess (Linux, HP-UX 10.20).
2280                 dnl This is a workaround for idiot (esp. HP) system vendors, who
2281                 dnl provide a /usr/include/X11, but DON'T FULLY POPULATE IT.
2282                 for dir in "/usr/X11" "/usr/X11R7" "/usr/X11R6" \
2283                         "/usr/local" "/usr"; do
2284                         if test -d "$dir/include/X11"; then
2285                                 x_includes="$dir/include"
2286                                 break
2287                         fi
2288                 done
2289         fi
2290
2291         if test -z "$x_libraries" -o \
2292            "$x_libraries" = "NONE" -o \
2293            ! -d "$x_libraries"; then
2294                 for dir in \
2295                         "/usr/X11/lib" \
2296                         "/usr/X11R7/lib" "/usr/lib/X11R7" \
2297                         "/usr/X11R6/lib" "/usr/lib/X11R6" \
2298                         "/usr/local/lib" "/usr/local/lib/X11" \
2299                         "/usr/lib" "/usr/lib/X11"; do
2300                         if test -r "$dir/libX11.a"; then
2301                                 x_libraries="$dir"
2302                                 break
2303                         fi
2304                 done
2305         fi
2306
2307         AC_PATH_XTRA
2308         if test "$with_x11" != "no"; then
2309                 if test "$no_x" = "yes"; then
2310                         with_x11=no
2311                         window_system=none
2312                         HAVE_X_WINDOWS=no
2313                 else
2314                         with_x11=yes
2315                         window_system=x11
2316                         HAVE_X_WINDOWS=yes
2317                 fi
2318         fi
2319 fi
2320
2321 dnl #### wmperry:: !x11 != NONE
2322 dnl case "$with_x11" in
2323 dnl  yes ) window_system=x11  HAVE_X_WINDOWS=yes ;;
2324 dnl  no  ) window_system=none HAVE_X_WINDOWS=no  ;;
2325 dnl esac
2326
2327 AM_CONDITIONAL([DESCEND_LWLIB], [test "$with_x11" = "yes"])
2328 if test "$with_x11" = "yes"; then
2329         AC_DEFINE([HAVE_X_WINDOWS], [1], [Description here!])
2330         AC_DEFINE([NeedFunctionPrototypes], [1], [Description here!])
2331         AC_DEFINE([FUNCPROTO], [15], [Whatever this is.])
2332         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2333         SXE_APPEND([lwlib], [MAKE_SUBDIR])
2334         SXE_APPEND([lwlib], [SRC_SUBDIR_DEPS])
2335
2336         SXE_ADD_SXEUIX11_OBJS([console-x.o device-x.o event-Xt.o frame-x.o])
2337         SXE_ADD_SXEUIX11_OBJS([glyphs-x.o objects-x.o redisplay-x.o select-x.o])
2338         SXE_ADD_SXEUIX11_OBJS([xgccache.o])
2339
2340         SXE_DUMP_LIBS
2341         ## some debian systems are trying to fool us ... now fool them back!
2342         if test -d "$x_includes"; then
2343                 CPPFLAGS="$CPPFLAGS -I$x_includes"
2344         fi
2345         if test -d "$x_libraries"; then
2346                 LDFLAGS="$LDFLAGS -L$x_libraries"
2347         fi
2348
2349         dnl Look for Motif, but only if not found in $x_includes and $x_libraries
2350         AC_CHECK_HEADERS([Xm/Xm.h])
2351         if test "$ac_cv_header_Xm_Xm_h" = "yes"; then
2352                 AC_CHECK_LIB([Xm], [XmStringFree], [got_motif=yes])
2353         fi
2354
2355         if test "$got_motif" != "yes"; then
2356                 dnl Try to find Motif dirs
2357                 dnl These take precedence over other X libs/includes, so PRE-pend
2358                 for lib_dir in \
2359                         "/usr/dt/lib" "/usr/lib/Motif2.1" \
2360                         "/usr/lib/Motif1.2" "/usr/lib/Motif1.1"; do
2361                         inc_dir=`echo $lib_dir | sed -e 's/lib/include/'`
2362                         if test -d "$lib_dir" -a -d "$inc_dir"; then
2363                                 case "$x_libraries" in
2364                                 *"$lib_dir"* )
2365                                         ;;
2366                                 *)
2367                                         x_libraries="$lib_dir $x_libraries"
2368                                         SXE_PREPEND(["-L${lib_dir}"], [X_LIBS])
2369                                         ;;
2370                                 esac
2371                                 case "$x_includes" in
2372                                 "$inc_dir"* )
2373                                         ;;
2374                                 *)
2375                                         x_includes="$inc_dir $x_includes"
2376                                         SXE_PREPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2377                                         ;;
2378                                 esac
2379                                 break; dnl only need ONE Motif implementation!
2380                         fi
2381                 done
2382         fi
2383
2384         dnl Contrib X libs/includes do NOT take precedence, so AP-pend
2385         for rel in "X11R7" "X11R6" "X11R5" "X11R4"; do
2386                 lib_dir="/usr/contrib/$rel/lib" inc_dir="/usr/contrib/$rel/include"
2387                 if test -d "$lib_dir" -a -d "$inc_dir"; then
2388                         case "$x_libraries" in
2389                         *"$lib_dir"* )
2390                                 ;;
2391                         *)
2392                                 x_libraries="$x_libraries $lib_dir"
2393                                 SXE_APPEND(["-L${lib_dir}"], [X_LIBS])
2394                                 ;;
2395                         esac
2396                         case "$x_includes" in
2397                         "$inc_dir"* )
2398                                 ;;
2399                         *)
2400                                 x_includes="$x_includes $inc_dir"
2401                                 SXE_APPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2402                                 ;;
2403                         esac
2404                         break; dnl Only need ONE X11 implementation !
2405                 fi
2406         done
2407
2408         dnl Avoid version mismatch for shared library libXm.so on osf4
2409         case "$opsys" in
2410         decosf*)
2411                 AS_IF([test "$GCC" = yes -a -d "/usr/shlib"],
2412                         SXE_APPEND([-L/usr/shlib], [X_LIBS]))
2413                 ;;
2414         esac
2415
2416         LDFLAGS="$LDFLAGS $X_LIBS"
2417
2418         if test "$extra_verbose" = "yes"; then
2419                 echo
2420                 echo "X11 compilation variables:"
2421                 SXE_PRINT_VAR(x_libraries x_includes
2422                         X_CFLAGS X_LIBS X_PRE_LIBS X_EXTRA_LIBS)
2423                 echo
2424         fi
2425
2426         dnl Set up bitmaps search path.
2427         dnl The original suggestion was to unconditionally to append X11/bitmaps
2428         dnl to each element of $x_includes, I'm pretty sure this is the wrong
2429         dnl thing to do.  We test for bitmaps and X11/bitmaps directories on each
2430         dnl element and add them to BITMAPDIR if they exist.
2431         bitmapdirs=
2432         if test "$x_includes" != NONE; then
2433                 for i in $x_includes; do
2434                         if test -d "$i/bitmaps"; then
2435                                 bitmapdirs="$i/bitmaps:$bitmapdirs"
2436                         fi
2437                         if test -d "$i/X11/bitmaps"; then
2438                                 bitmapdirs="$i/X11/bitmaps:$bitmapdirs"
2439                         fi
2440                 done
2441                 bitmapdirs=`echo "$bitmapdirs" | sed s/.$//`
2442         fi
2443         if test ! -z "$bitmapdirs"; then
2444                 AC_DEFINE_UNQUOTED([BITMAPDIR], ["$bitmapdirs"], [Description here!])
2445         fi
2446
2447 dnl   dnl Autodetect defines extracted from X config by xmkmf, e.g. NARROWPROTO
2448 dnl   AS_MESSAGE(checking for X defines extracted by xmkmf)
2449 dnl   rm -fr conftestdir
2450 dnl   if mkdir conftestdir; then
2451 dnl     cd conftestdir
2452 dnl     cat > Imakefile <<'EOF'
2453 dnl xetest:
2454 dnl     @echo ${PROTO_DEFINES} ${STD_DEFINES}
2455 dnl EOF
2456 dnl     if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
2457 dnl       # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
2458 dnl       xmkmf_defines=`${MAKE-make} xetest 2>/dev/null | grep -v make`
2459 dnl     fi
2460 dnl     cd ..
2461 dnl     rm -fr conftestdir
2462 dnl     for word in $xmkmf_defines; do
2463 dnl       case "$word" in
2464 dnl       -D__STDC__*) ;;
2465 dnl       -D* )
2466 dnl     sym=`echo '' $word | sed -e 's:^ *-D::' -e 's:=.*::'`
2467 dnl     case "$word" in
2468 dnl       -D*=* ) val=`echo '' $word | sed -e 's:^.*=::'` ;;
2469 dnl       *     ) val=1 ;;
2470 dnl     esac
2471 dnl dnl Avoid re-AC_DEFINE-ing xmkmf symbols we've already defined above.
2472 dnl     if grep "^#define $sym " confdefs.h >/dev/null; then :; else
2473 dnl       if test "$val" = "1"
2474 dnl         then AC_DEFINE_UNQUOTED([$sym], [], [Description here!])
2475 dnl         else AC_DEFINE_UNQUOTED([$sym], [$val], [Description here!])
2476 dnl       fi
2477 dnl     fi  ;;
2478 dnl       esac
2479 dnl     done
2480 dnl   fi
2481
2482         dnl make sure we can find Intrinsic.h
2483         AC_CHECK_HEADER([X11/Intrinsic.h], [],
2484                 [AC_MSG_ERROR([Unable to find X11 header files. Try using --x-includes=<path> if you know the path, or --with-x=no to disable X11 support.])])
2485
2486         dnl Check some more headers
2487         AC_CHECK_HEADERS([X11/Intrinsic.h X11/StringDefs.h X11/Shell.h X11/ShellP.h],
2488                 [],[],
2489                 [[#if HAVE_X11_INTRINSIC_H
2490                   # include <X11/Intrinsic.h>
2491                   # include <X11/IntrinsicP.h>
2492                   # include <X11/CoreP.h>
2493                   #endif]])
2494
2495         dnl -lXt and -lX11 are required
2496         dnl Some broken systems require the magic "-b i486-linuxaout" flag
2497
2498         dnl Other broken systems will not pass these tests unless the pre and
2499         dnl extra libs are passed on...
2500         LIBS="$LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
2501         AC_CHECK_LIB(X11, XOpenDisplay, have_lib_x11=yes)
2502         if test "$have_lib_x11" != "yes"; then
2503                 AC_CHECK_LIB([X11], [XGetFontProperty],
2504                         [],
2505                         [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.])])
2506         fi
2507         SXE_PREPEND([-lX11], [libs_x])
2508         LIBS="$LIBS -lX11"
2509         if test "$extra_verbose" = "yes"; then
2510                 echo "    Setting libs_x to \"-lX11\""
2511         fi
2512         dnl Autodetect -lXext
2513         AC_CHECK_LIB([Xext], [XShapeSelectInput], [SXE_PREPEND([-lXext], [libs_x])])
2514
2515         dnl Require -lXt
2516         AC_CHECK_LIB([Xt], [XtOpenDisplay], [SXE_PREPEND([-lXt], [libs_x])], [
2517                 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.])])
2518
2519         AC_MSG_CHECKING([the version of X11 being used])
2520         AC_RUN_IFELSE([AC_LANG_SOURCE([[
2521 #include <X11/Intrinsic.h>
2522 int main(int c, char *v[]) { return c>1 ? XlibSpecificationRelease : 0; }]])],
2523                 [./conftest foobar; x11_release=$?],[x11_release=4],[x11_release=4])
2524         AC_MSG_RESULT(R${x11_release})
2525         AC_DEFINE_UNQUOTED([X11_RELEASE], [${x11_release}], [Description here!])
2526
2527         AC_CHECK_FUNCS([XConvertCase])
2528         AC_CHECK_LIB([Xt], [XtRegisterDrawable])
2529         if test "$ac_cv_lib_Xt_XtRegisterDrawable" = "yes"; then
2530                 AC_DEFINE([HAVE_XTREGISTERDRAWABLE], [1], [Description])
2531         fi
2532
2533         AC_CHECK_HEADERS(X11/Xlocale.h)
2534
2535         dnl XFree86 has a non-standard prototype for this X11R6 function
2536         AC_CHECK_FUNCS(XRegisterIMInstantiateCallback)
2537         AC_MSG_CHECKING(for standard XRegisterIMInstantiateCallback prototype)
2538         AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2539 #ifndef NeedFunctionPrototypes
2540 #define NeedFunctionPrototypes 1
2541 #endif
2542 #include <X11/Xlib.h>
2543 extern Bool XRegisterIMInstantiateCallback(
2544         Display*, struct _XrmHashBucketRec*, char*, char*, XIMProc, XPointer*);
2545 ]])],
2546         [AC_MSG_RESULT(yes)],
2547         [AC_MSG_RESULT(no)
2548                 AC_DEFINE([XREGISTERIMINSTANTIATECALLBACK_NONSTANDARD_PROTOTYPE],
2549                         [], [Description here!])])
2550
2551         dnl autodetect -lXmu
2552         AC_CHECK_LIB([Xmu], [XmuReadBitmapDataFromFile],
2553                 [with_xmu=yes], [with_xmu=no])
2554         if test "$with_xmu" = "no"; then
2555                 SXE_ADD_SXEUIX11_OBJS([xmu.o])
2556         else
2557                 SXE_PREPEND([-lXmu], [libs_x])
2558                 AC_DEFINE([HAVE_XMU], [1], [Description here!])
2559         fi
2560
2561         dnl Autodetect -lXbsd
2562         dnl #### Someone, please add a better function than main
2563         AC_CHECK_LIB([Xbsd], [main], SXE_PREPEND([-lXbsd], [libs_x]))
2564
2565         dnl restore old values
2566         SXE_RESTORE_LIBS
2567 fi dnl $with_x11 = yes
2568
2569 AC_SUBST([install_pp])
2570
2571 dnl test "$with_dragndrop" != "no" && with_dragndrop="$with_dragndrop_default"
2572 dnl test -z "$window_system" && window_system="none"
2573 with_dragndrop="no"
2574
2575 dnl Test for features that require a window system - ANY window system
2576 if test "$window_system" = "none"; then
2577   for feature in menubars scrollbars toolbars dialogs dragndrop xface
2578   do
2579     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2580        AC_MSG_WARN([--with-$feature ignored:  Not valid without window system support])
2581     fi
2582     eval "with_${feature}=no"
2583   done
2584 else
2585   test -z "with_toolbars" && with_toolbars=yes
2586 fi
2587
2588 dnl Test for features that require X11 support
2589 if test "$with_x11" != "yes"; then
2590   for feature in offix wmcommand xim xmu nas_sound
2591   do
2592     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2593        AC_MSG_WARN([--with-$feature ignored:  Not valid without X support])
2594     fi
2595     eval "with_${feature}=no"
2596   done
2597 fi
2598
2599 dnl Balloon Help requires the Shape extension, not available everywhere,
2600 dnl for example not on AIX 4.3.
2601 if test "$with_x11" = "yes"; then
2602   AC_CHECK_HEADER(X11/extensions/shape.h, [
2603    AC_DEFINE([HAVE_BALLOON_HELP], [1], [Description here!])
2604    SXE_ADD_SXEUIX11_OBJS(balloon_help.o balloon-x.o)
2605    ])
2606 fi
2607
2608 dnl FSF 19.29 has some bitmapdir stuff here.
2609 bitmapdir=
2610
2611 case "$window_system" in
2612   x11  ) HAVE_X_WINDOWS=yes; echo "  Using X11." ;;
2613   none ) HAVE_X_WINDOWS=no ; echo "  Using no window system." ;;
2614 esac
2615
2616 if test -n "$window_system" -a "$window_system" != "none"; then
2617         AC_DEFINE_UNQUOTED([HAVE_WINDOW_SYSTEM], [1], [Description here!])
2618 fi
2619
2620 case "$x_libraries" in *X11R4* )
2621   test "$opsys" = "hpux9"     && opsysfile="s/hpux9-x11r4.h"
2622   test "$opsys" = "hpux9-shr" && opsysfile="s/hpux9shxr4.h"
2623 esac
2624
2625 dnl Enable or disable proper handling of WM_COMMAND
2626 AS_MESSAGE(checking for WM_COMMAND option);
2627 dnl if test "$with_wmcommand" = "yes"; then
2628 if test "$with_wmcommand" != "no"; then
2629   AC_DEFINE([HAVE_WMCOMMAND], [1], [Description here!])
2630 fi
2631
2632 dnl Autodetect Xauth
2633 dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
2634 test "$with_xauth" != "no" && test "$window_system" = "none" && with_xauth=no
2635 SXE_DUMP_LIBS
2636 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2637 LDFLAGS="$LDFLAGS $X_LIBS"
2638 AC_CHECK_HEADER([X11/Xauth.h], [:], [with_xauth=no])
2639 AC_CHECK_LIB([Xau], [XauGetAuthByAddr], [:], [with_xauth=no])
2640 if test "$with_xauth" = "yes"; then
2641   AC_DEFINE([HAVE_XAUTH], [1], [Description here!])
2642   SXE_CONSECUTIVE_UNDUP([libs_xauth], [$X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS])
2643 fi
2644 SXE_RESTORE_LIBS
2645 AC_SUBST(libs_xauth)
2646
2647 dnl ----------------------
2648 dnl X-Specific Graphics libraries
2649 dnl ----------------------
2650
2651 ## Oki, now that we really need a more exhaustive way to autodetect
2652 ## athena and other widgets we construct a chain.  The elements of
2653 ## that chain are simple atomic tests (provided by AC_DEFUNs).
2654 ## The chain is defined to be:
2655 ##
2656 ## neXtaw -> Xaw3d -> XawXpm -> Xaw95  ->  Xaw  ->  Motif  ->  Nirvana
2657 ## ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^      ^^^      ^^^^^
2658 ##         3d sets                       non-3d   non-athena
2659 ##
2660 ## Now if the user passes a --with-athena=foo option, we jump
2661 ## directly to the according test-suite and in case this fails we jump
2662 ## off the cliff.
2663 ##
2664 ## Attention:
2665 ## We shall perform every test-suite twice, once the correct way, and
2666 ## once with #include'ing the Xfuncproto header.
2667 ## Thanks to the many, many distributions which treat their users
2668 ## like braindead zombies!
2669 ## Especially, I would like to thank Fedora/RedHat for bringing
2670 ## this up. Go on guys, you rock!
2671
2672 ## and now the test chain
2673 if test "$with_x11" = "yes" -a "$with_x" != "no"; then
2674         SXE_CHECK_XTOOLKITS
2675         SXE_CHECK_XT_DEPENDENCIES
2676 else
2677         with_menubars=no
2678         with_scrollbars=no
2679         with_dialogs=no
2680         with_toolbars=no
2681         with_widgets=no
2682 fi
2683
2684 dnl Always compile OffiX unless --without-offix is given, no
2685 dnl X11 support is compiled in, no standard Xmu is available,
2686 dnl or dragndrop support is disabled
2687 dnl Because OffiX support currently loses when more than one display
2688 dnl is in use, we now disable it by default -slb 07/10/1998.
2689 test "$window_system" != "x11" && with_offix=no
2690 if test "$with_xmu" != yes -a "$with_x11" = yes; then
2691   if test "$with_offix" = "yes" ; then
2692     AC_MSG_WARN([--with-offix forced to `no'; no real Xmu support])
2693   fi
2694   with_offix=no
2695 fi
2696 if test "$with_dragndrop" = "no" ; then
2697   if test "$with_offix" = "yes" ; then
2698     AC_MSG_WARN([--with-offix forced to `no'; no generic Drag'n'Drop support])
2699   fi
2700   with_offix=no
2701 fi
2702 if test "$with_offix" = "yes"; then
2703   AC_DEFINE([HAVE_OFFIX_DND], [1], [Description here!])
2704   SXE_APPEND(offix.o, dnd_objs)
2705   SXE_APPEND(OffiX, dragndrop_proto)
2706 fi
2707
2708
2709 ## TTY Options
2710 ## ===========
2711 echo
2712 echo "TTY Options"
2713 echo "==========="
2714
2715
2716 dnl ---------------------
2717 dnl TTY-dependent options
2718 dnl ---------------------
2719
2720 dnl checks for header files
2721 AC_CHECK_HEADERS([libintl.h nlist.h sgtty.h termio.h termios.h])
2722
2723 AS_IF([test "$with_tty" != "no"],[
2724    AS_MESSAGE(checking for TTY-related features)
2725    dnl Check if needed calls are available at all...
2726    tty_libs="ncurses curses terminfo termlib termcap"
2727    tty_funcs="tgetent tgetstr tgetflag tparm tgoto tputs"
2728    for func in $tty_funcs; do
2729        AC_SEARCH_LIBS($func,$tty_libs)
2730    done
2731    AS_IF([test "$ac_cv_search_tgetent"  = "no" -a \
2732                "$ac_cv_search_tgetflag" = "no" -a \
2733                "$ac_cv_search_tgetstr"  = "no" -a \
2734                "$ac_cv_search_tgoto"    = "no" -a \
2735                "$ac_cv_search_tparm"    = "no" -a \
2736                "$ac_cv_search_tputs"    = "no" ],
2737                    have_tty=no)
2738    AS_IF([test "$with_tty" = "yes" -a "$have_tty" = "no" ],[
2739       AC_MSG_ERROR([Your system lacks necessary functions for requested TTY support])])
2740 ],[
2741   for feature in ncurses curses termcap terminfo termlib gpm; do
2742     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2743       AC_MSG_WARN([--with-${feature} ignored:  Not valid without TTY support])
2744     fi
2745     eval "with_${feature}=no"
2746   done
2747 ])
2748
2749 AS_IF([test "$with_tty" != "no" -a "$have_tty" != "no" ],[
2750    for lib in $tty_libs; do
2751       SXE_CHECK_LINK_LIB($lib, , eval have_${lib}=no)
2752       with_lib_eval=`eval echo \\$with_$lib`
2753       have_lib_eval=`eval echo \\$have_$lib`
2754       AS_IF([test "$have_lib_eval" = "yes" ], [
2755          for func in $tty_funcs; do
2756              AC_CHECK_LIB($lib, tgetent)
2757              AC_CHECK_LIB($lib, tgetstr)
2758              AC_CHECK_LIB($lib, tgetflags)
2759              AC_CHECK_LIB($lib, tparm)
2760              AC_CHECK_LIB($lib, tgoto)
2761              AC_CHECK_LIB($lib, tputs)
2762          done
2763       ])
2764       have_lib_eval=`eval echo \\$have_$lib`
2765       AS_IF([test "$with_lib_eval" = "yes" -a \
2766                   "$have_lib_eval" = "no" ],
2767         AC_MSG_WARN([Errors detected trying to use requested $lib. Continuing with autodetection.]))
2768    done
2769    AS_IF([test "$sxe_cv_c_lib_ncurses"  = "no" -a \
2770                "$sxe_cv_c_lib_curses"   = "no" -a \
2771                "$sxe_cv_c_lib_termcap"  = "no" -a \
2772                "$sxe_cv_c_lib_terminfo" = "no" -a \
2773                "$sxe_cv_c_lib_termlib"  = "no"],
2774                    have_tty=no)
2775    AS_IF([test "$with_tty" = "yes" -a "$have_tty" = "no"],
2776       AC_MSG_ERROR([Your system lacks necessary libraries for requested TTY support.]))
2777 ])
2778
2779
2780 AS_IF([test "$with_tty" != "no" -a "$have_tty" != "no" ],[
2781     AC_DEFINE([HAVE_NCURSES], [1], [Description here!])
2782     with_ncurses=yes
2783     AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2784     if test -z "$curses_h_file"; then
2785             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2786     fi
2787     if test -n "$curses_h_file"; then
2788             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2789             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2790     else
2791             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2792             AC_CHECK_HEADER(termcap.h, termcap_h_file=termcap.h)
2793             AC_CHECK_HEADER(term.h,    term_h_file=term.h)
2794     fi
2795     SXE_ADD_SXEUITTY_OBJS(terminfo.o)
2796     SXE_PREPEND(-lncurses, LIBS)
2797
2798     if test -z "$curses_h_file" ; then
2799       dnl Try again, and check for the bogus ncurses/ include bug.
2800       dnl (i.e. ncurses/curses.h bogusly includes <unctrl.h> instead of
2801       dnl <ncurses/unctrl.h>)
2802       save_c_switch_site="$c_switch_site"
2803       c_switch_site="$c_switch_site -I/usr/include/ncurses"
2804       AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2805       if test -z "$curses_h_file"; then
2806             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2807       fi
2808       if test -n "$curses_h_file"; then
2809             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2810             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2811       else
2812             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2813             AC_CHECK_HEADER(termcap.h, curses_h_file=termcap.h)
2814             AC_CHECK_HEADER(term.h,    curses_h_file=term.h)
2815       fi
2816       if test -n "$curses_h_file"
2817         then AC_MSG_WARN([Your system has the bogus ncurses include bug.])
2818         else c_switch_site="$save_c_switch_site"
2819       fi
2820     fi
2821 ])
2822
2823 AS_IF([test "$with_tty" != "no" -a "$have_ncurses" != "no" ],[
2824   if test "$with_ncurses" = "no" -o -z "$curses_h_file" ; then
2825
2826     # Check alternate library includes
2827     for lib in curses term terminfo termcap; do
2828         AC_CHECK_HEADER(${lib}.h, [
2829                 eval ${lib}_h_file=${lib}.h
2830                 AC_CHECK_LIB($lib, tgetent, eval have_${lib}=yes, eval have_${lib}=no)
2831                 AC_CHECK_LIB($lib, tgetstr, , eval have_${lib}=no)])
2832     done
2833
2834     for lib in curses terminfo termlib termcap; do
2835           have_lib_eval=`eval echo \\$have_$lib`
2836           if test "$have_lib_eval" = "yes"; then
2837                 AC_CHECK_LIB($lib, tparm,
2838                           SXE_ADD_SXEUITTY_OBJS(terminfo.o),
2839                           SXE_ADD_SXEUITTY_OBJS(tparam.o))
2840                 SXE_PREPEND(-l${lib}, LIBS)
2841                 break
2842           fi
2843     done
2844   fi
2845   if test -n "$curses_h_file"; then
2846         AC_DEFINE_UNQUOTED([HAVE_CURSES_H], [1], [There is a curses.h header file available])
2847   fi
2848   if test -n "$termcap_h_file"; then
2849         AC_DEFINE_UNQUOTED([HAVE_TERMCAP_H], [1], [There is a termcap.h header available])
2850   fi
2851   if test -n "$term_h_file"; then
2852         AC_DEFINE_UNQUOTED([HAVE_TERM_H], [1], [There is a term.h header available])
2853   fi
2854   AC_DEFINE_UNQUOTED([CURSES_H_FILE], ["${curses_h_file-curses.h}"], [The curses.h header file])
2855   AC_DEFINE_UNQUOTED([TERMCAP_H_FILE], ["${termcap_h_file-termcap.h}"], [The termcap.h header file])
2856   AC_DEFINE_UNQUOTED([TERM_H_FILE], ["${term_h_file-term.h}"], [The term.h header file])
2857 ])
2858
2859 AS_IF([test "$with_tty" != "no" -a "$have_tty" != no], [
2860         AC_DEFINE([HAVE_TTY], [1], [Include TTY support for SXEmacs])
2861         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Include Unixoid event loop - TTY provided])
2862         SXE_ADD_SXEUITTY_OBJS([console-tty.o device-tty.o event-tty.o frame-tty.o objects-tty.o redisplay-tty.o cm.o])
2863 ])
2864 AS_IF([test "$with_tty" != "no" -a "$have_tty" != no], [
2865   dnl General Purpose Mouse (libgpm) support
2866   AS_IF([test "$with_gpm" != "no"], [
2867     AC_CHECK_HEADER(gpm.h, [
2868       AC_CHECK_LIB(gpm, Gpm_Open, have_gpm=yes)])
2869     AS_IF([test "$have_gpm" = "yes"], [
2870       with_gpm=yes
2871       AC_DEFINE([HAVE_GPM], [1], [General Purpose Mouse (libgpm) is available])
2872       SXE_ADD_SXEUITTY_OBJS(gpmevent.o)
2873       SXE_PREPEND(-lgpm, LIBS) ],[ with_gpm=no ])
2874   ])
2875 ])
2876
2877 SXE_CHECK_UI_SUFFICIENCY
2878
2879 AS_IF([test -z "$window_system" -o "$window_system" = "none" ], [
2880     dnl It ought to be reasonable to have no output device at all, and only use
2881     dnl SXEmacs in --batch mode.
2882     AS_IF([test "$have_tty" = "no"],
2883        AC_MSG_ERROR([No window system nor TTY support. SXEmacs cannot be compiled.
2884 Check INSTALL and PROBLEMS files for hints on how to solve.]))
2885 ])
2886
2887 ## Uncertain options
2888 ## =================
2889 echo
2890 echo "Uncertain options"
2891 echo "================="
2892
2893 ## for native xml support one day
2894 SXE_LANG_CHECK_XML
2895 SXE_CHECK_SUFFICIENCY([libxml2], [xml language])
2896 ## for BoehmGC support one day
2897 SXE_CHECK_BDWGC
2898 SXE_CHECK_SUFFICIENCY([bdwgc], [Boehm-Demers-Weiser GC])
2899
2900 if test "$with_experimental_features_bdwgc" = "yes"; then
2901         AC_MSG_CHECKING([if bdwgc prerequisites are met])
2902         AC_MSG_RESULT([${have_bdwgc}])
2903         have_experimental_features_bdwgc=${have_bdwgc}
2904         if test "${have_bdwgc}" = "yes"; then
2905                 AC_DEFINE([EF_USE_BDWGC], [1],
2906                         [Whether to actually use the BDWGC!])
2907         fi
2908 fi
2909
2910
2911 dnl This one is for the static initializeds variables in
2912 dnl offix.c, so that the thing is dumped after lastfile.o
2913 AC_SUBST(dnd_objs)
2914
2915 dnl Autodetect dll support
2916
2917 LIBSTDCPP=
2918 AC_SUBST(LIBSTDCPP)
2919
2920
2921 ## Multimedia Options
2922 ## ==================
2923 echo
2924 echo "Multimedia Options"
2925 echo "=================="
2926
2927 dnl ----------------------
2928 dnl Graphics libraries
2929 dnl ----------------------
2930
2931 if test "$with_image_xpm" = "yes"; then
2932         SXE_MM_CHECK_XPM([have_image_xpm=yes], [have_image_xpm=no])
2933
2934         AC_MSG_CHECKING([for sufficient xpm support])
2935         if test "$have_image_xpm" = "yes"; then
2936                 AC_MSG_RESULT([yes])
2937                 AC_DEFINE([HAVE_XPM], [1], [Description here!])
2938                 SXE_PREPEND([-lXpm], [MM_LIBS])
2939         else
2940                 AC_MSG_RESULT([no])
2941                 have_image_xpm=no
2942         fi
2943 fi
2944 AM_CONDITIONAL([WITH_BDWGC],
2945         [test "$with_experimental_features_bdwgc" = "yes" -a \
2946               "$have_bdwgc" = "yes"])
2947
2948 if test "$with_image_xface" = "yes"; then
2949         SXE_MM_CHECK_XFACE([have_image_xface=yes], [have_image_xface=no])
2950
2951         AC_MSG_CHECKING([for sufficient xface support])
2952         if test "$have_image_xface" = "yes"; then
2953                 AC_MSG_RESULT([yes])
2954                 AC_DEFINE([HAVE_XFACE], [1], [dnl
2955                         Both compface.h and libcompface have been found.])
2956                 SXE_PREPEND([-lcompface], [MM_LIBS])
2957         else
2958                 AC_MSG_RESULT([no])
2959                 have_image_xface=no
2960         fi
2961 fi
2962
2963 if test "$with_image_gif" = "yes"; then
2964         SXE_MM_CHECK_GIF([have_image_gif=yes], [have_image_gif=no])
2965
2966         AC_MSG_CHECKING([for sufficient gif support])
2967         if test "$have_image_gif" = "yes"; then
2968                 AC_MSG_RESULT([yes])
2969                 AC_DEFINE([HAVE_GIF], [1], [Enable internal GIF decoding])
2970                 SXE_ADD_MM_OBJS(dgif_lib.o gif_io.o)
2971         else
2972                 AC_MSG_RESULT([no])
2973         fi
2974 fi
2975
2976 SXE_MM_SEARCH_INFLATE
2977
2978 if test "$with_image_jpeg" = "yes"; then
2979         SXE_MM_CHECK_JPEG([have_image_jpeg=yes], [have_image_jpeg=no])
2980
2981         AC_MSG_CHECKING([for sufficient jpeg support])
2982         if test "$have_image_jpeg" = "yes"; then
2983                 AC_MSG_RESULT([yes])
2984                 AC_DEFINE([HAVE_JPEG], [1], [
2985                         Both jpeglib.h and libjpeg have been found.])
2986                 SXE_PREPEND([-ljpeg], [MM_LIBS])
2987         else
2988                 AC_MSG_RESULT([no])
2989         fi
2990 fi
2991
2992 if test "$with_image_png" = "yes"; then
2993         AC_DEFINE([WITH_PNG], [1], [Define to 1 if png support is desired.])
2994         SXE_MM_CHECK_PNG([have_image_png="yes"], [have_image_png="no"])
2995
2996         SXE_MSG_CHECKING([for sufficient PNG support])
2997         SXE_MSG_RESULT([${sxe_cv_feat_png}])
2998         if test "$sxe_cv_feat_png" = "yes"; then
2999                 SXE_PREPEND_UNDUP([$PNG_CPPFLAGS], [MM_CPPFLAGS])
3000                 SXE_PREPEND_UNDUP([$PNG_LDFLAGS], [MM_LDFLAGS])
3001                 SXE_PREPEND([$PNG_LIBS], [MM_LIBS])
3002         fi
3003 fi
3004
3005 if test "$with_image_tiff" = "yes"; then
3006         SXE_MM_CHECK_TIFF([have_image_tiff=yes], [have_image_tiff=no])
3007
3008         AC_MSG_CHECKING([for sufficient TIFF support])
3009         if test "$have_image_tiff" = "yes"; then
3010                 AC_MSG_RESULT([yes])
3011                 AC_DEFINE([HAVE_TIFF], [1], [
3012                         Both tiffio.h and libtiff have been found.])
3013                 SXE_PREPEND([-ltiff], [MM_LIBS])
3014         else
3015                 AC_MSG_RESULT([no])
3016         fi
3017 fi
3018
3019 dnl Check for audio output and media stream libraries.
3020
3021 dnl internal media stream analysis support
3022 if test "$with_media_internal" != "no"; then
3023         need_media_internal=yes
3024         have_media_internal=yes
3025 fi
3026
3027 ## Since almost any of the below tests uses pkgconfig we make a
3028 ## once-for-all-times check now
3029 SXE_SEARCH_CONFIG_PROG([pkg-config])
3030
3031 dnl libsndfile support
3032 if test "$with_media_sndfile" != "no"; then
3033         SXE_MM_CHECK_SNDFILE([have_media_sndfile=yes], [have_media_sndfile=no])
3034
3035         AC_MSG_CHECKING([for sufficient sndfile support])
3036         if test "$have_media_sndfile" = "yes"; then
3037                 AC_MSG_RESULT([yes])
3038                 SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
3039                 SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags sndfile`
3040                 SNDFILE_VERSION=`$PKG_CONFIG --modversion sndfile`
3041                 SXE_PREPEND([$SNDFILE_LIBS], [MM_LIBS])
3042                 SXE_PREPEND_UNDUP([$SNDFILE_CPPFLAGS], [MM_CPPFLAGS])
3043                 SXE_ADD_MM_OBJS([media-sndfile.o])
3044                 AC_DEFINE([HAVE_SNDFILE], [1],
3045                         [Whether we appear to have support for the sndfile library!])
3046                 AC_DEFINE_UNQUOTED([SNDFILE_VERSION], [$SNDFILE_VERSION],
3047                         [Version of the sndfile library!])
3048         else
3049                 AC_MSG_RESULT([no])
3050                 have_media_sndfile=no
3051         fi
3052 fi
3053
3054 dnl libavcodec/libavformat/ffmpeg support
3055 if test "$with_media_ffmpeg" != "no"; then
3056         SXE_MM_CHECK_FFMPEG([have_media_ffmpeg=yes], [have_media_ffmpeg=no])
3057
3058         AC_MSG_CHECKING([for sufficient FFmpeg support])
3059
3060         if test "$have_media_ffmpeg" = "yes"; then
3061                 AC_MSG_RESULT([yes])
3062                 FFMPEG_LIBS=`$PKG_CONFIG --libs libavformat`
3063                 FFMPEG_CPPFLAGS=`$PKG_CONFIG --cflags libavformat`
3064                 SXE_PREPEND($FFMPEG_LIBS, MM_LIBS)
3065                 SXE_PREPEND_UNDUP($FFMPEG_CPPFLAGS, MM_CPPFLAGS)
3066                 SXE_ADD_MM_OBJS([media-ffmpeg.o])
3067                 AC_DEFINE([HAVE_FFMPEG], [1], [Description here!])
3068         else
3069                 AC_MSG_RESULT([no])
3070                 have_media_ffmpeg=no
3071         fi
3072 fi
3073
3074 dnl sox support
3075 if test "$with_media_sox" != "no"; then
3076         ## defines $LIBST_CONFIG
3077         SXE_MM_CHECK_SOX([have_media_sox=yes], [have_media_sox=no])
3078
3079         AC_MSG_CHECKING([for sufficient SoX support])
3080         if test "$sxe_cv_feat_sox" = "yes"; then
3081                 AC_MSG_RESULT([yes])
3082                 SXE_ADD_MM_OBJS([media-sox.o])
3083                 SXE_PREPEND_UNDUP([$sox_cppflags], [MM_CPPFLAGS])
3084                 SXE_PREPEND_UNDUP([$sox_ldflags], [MM_LDFLAGS])
3085                 SXE_PREPEND([$sox_libs], [MM_LIBS])
3086                 AC_DEFINE([HAVE_SOX], [1], [Description here!])
3087         else
3088                 AC_MSG_RESULT(no)
3089                 have_media_sox=no
3090         fi
3091 fi
3092
3093 dnl mad support
3094 if test "$with_media_mad" != "no"; then
3095         SXE_MM_CHECK_MAD([have_media_mad=yes], [have_media_mad=no])
3096
3097         AC_MSG_CHECKING([for sufficient mad support])
3098         if test "$have_media_mad" = "yes"; then
3099                 AC_MSG_RESULT([yes])
3100                 SXE_ADD_MM_OBJS([media-mad.o])
3101                 SXE_PREPEND([-lmad], [MM_LIBS])
3102                 AC_DEFINE([HAVE_MAD], [1], [Description here!])
3103         else
3104                 AC_MSG_RESULT(no)
3105                 have_media_mad=no
3106         fi
3107 fi
3108
3109 ## file/libmagic support
3110 if test "$with_media_magic" != "no"; then
3111         SXE_MM_CHECK_MAGIC([have_media_magic=yes], [have_media_magic=no])
3112
3113         AC_MSG_CHECKING([for sufficient magic support])
3114         if test "$have_media_magic" = "yes"; then
3115                 AC_MSG_RESULT([yes])
3116                 SXE_ADD_MM_OBJS([media-magic.o])
3117                 SXE_PREPEND([-lmagic], [MM_LIBS])
3118                 AC_DEFINE([HAVE_MAGIC], [1], [Whether libmagic is available])
3119         else
3120                 AC_MSG_RESULT([no])
3121                 have_media_magic=no
3122         fi
3123 fi
3124
3125
3126 dnl Autodetect OSS sound
3127 AS_MESSAGE([checking for OSS sound support])
3128 dnl test -z "$with_sound_oss" -a -n "$with_oss_sound_lib" && with_sound_oss=yes
3129
3130 dnl Check for Linux/BSD sound (called OSS)
3131 if test "$with_sound_oss" != "no"; then
3132         SXE_MM_CHECK_OSS([have_sound_oss=yes], [have_sound_oss=no])
3133
3134         AC_MSG_CHECKING([for sufficient OSS support])
3135         if test "$have_sound_oss" = "yes"; then
3136                 AC_MSG_RESULT([yes])
3137                 SXE_ADD_MM_OBJS([sound-oss.o])
3138                 AC_DEFINE([HAVE_INTERNAL_SOUND], [1], [Description here!])
3139                 AC_DEFINE([HAVE_OSS_SOUND], [1], [Description here!])
3140         else
3141                 AC_MSG_RESULT([no])
3142                 have_sound_oss=yes
3143         fi
3144 fi
3145
3146 dnl NAS Sound support
3147 if test "$with_sound_nas" != "no"; then
3148         SXE_MM_CHECK_NAS([have_sound_nas=yes], [have_sound_nas=no])
3149
3150         AC_MSG_CHECKING([for sufficient NAS support])
3151         if test "$have_sound_nas" = "yes"; then
3152                 AC_MSG_RESULT([yes])
3153                 AC_DEFINE([HAVE_NAS_SOUND], [1], [Description here!])
3154                 SXE_ADD_MM_OBJS([sound-nas.o])
3155                 SXE_PREPEND([-laudio], [MM_LIBS])
3156         else
3157                 AC_MSG_RESULT([no])
3158                 have_nas_sound=no
3159         fi
3160 fi
3161
3162 dnl ESD Sound support
3163 if test "$with_sound_esd" != "no"; then
3164         SXE_MM_CHECK_ESD([have_sound_esd=yes], [have_sound_esd=no])
3165
3166         AC_MSG_CHECKING([for sufficient ESD support])
3167         if test "$have_sound_esd" = "yes"; then
3168                 AC_MSG_RESULT([yes])
3169                 need_internal_media=yes
3170                 SXE_ADD_MM_OBJS([sound-esd.o])
3171                 ESD_LIBS=$("${ESD_CONFIG}" --libs)
3172                 SXE_PREPEND(["${ESD_LIBS}"], [MM_LIBS])
3173                 AC_DEFINE([HAVE_ESD_SOUND], [1], [Description here!])
3174         else
3175                 AC_MSG_RESULT([no])
3176                 have_esd_sound=no
3177         fi
3178 fi
3179
3180 dnl PulseAudio Sound support
3181 if test "$with_pulseaudio" != "no"; then
3182         SXE_MM_CHECK_PULSE([have_sound_pulse=yes], [have_sound_pulse=no])
3183
3184         AC_MSG_CHECKING([for sufficient PulseAudio support])
3185         if test "$have_sound_pulse" = "yes"; then
3186                 AC_MSG_RESULT([yes])
3187                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse`
3188                 pulse_version=`$PKG_CONFIG --modversion libpulse`
3189                 pulse_major_version=0
3190                 pulse_minor_version=`echo $pulse_version | \
3191                         sed -e "s/0\.\([[0-9]]*\).*/\1/"`
3192                 need_internal_media=yes
3193                 SXE_ADD_MM_OBJS([sound-pulse.o])
3194                 SXE_PREPEND($PULSEAUDIO_LIBS, MM_LIBS)
3195                 AC_DEFINE([HAVE_PULSE_SOUND], [1],
3196                         [Whether to put in support for PulseAudio.])
3197                 AC_DEFINE_UNQUOTED([PULSE_VERSION], [$pulse_minor_version],
3198                         [Version of the underlying pulse lib.])
3199         else
3200                 AC_MSG_RESULT(no)
3201                 have_sound_pulse=no
3202         fi
3203 fi
3204
3205 dnl Jack Sound support
3206 if test "$with_sound_jack" != "no"; then
3207         SXE_MM_CHECK_JACK([have_sound_jack=yes], [have_sound_jack=no])
3208
3209         AC_MSG_CHECKING([for sufficient Jack support])
3210         if test "$have_sound_jack" = "yes"; then
3211                 AC_MSG_RESULT([yes])
3212                 dnl okay, we have Jack on the system, but we have no working
3213                 dnl interface to it :(
3214                 JACK_LIBS=`$PKG_CONFIG --libs jack`
3215                 JACK_VERSION=`$PKG_CONFIG --modversion jack`
3216                 need_internal_media=yes
3217                 SXE_ADD_MM_OBJS([sound-jack.o])
3218                 SXE_PREPEND([$JACK_LIBS], [MM_LIBS])
3219                 AC_DEFINE([HAVE_JACK_SOUND], [1], [Description here!])
3220                 AC_DEFINE_UNQUOTED([JACK_VERSION], [$JACK_VERSION],
3221                         [Description here!])
3222         else
3223                 AC_MSG_RESULT(no)
3224         fi
3225 fi
3226
3227 dnl alsa sound support
3228 if test "$with_sound_alsa" != "no"; then
3229         SXE_MM_CHECK_ALSA([have_sound_alsa=yes], [have_sound_alsa=no])
3230
3231         AC_MSG_CHECKING([for sufficient ALSA support])
3232         if test "$have_sound_alsa" = "yes"; then
3233                 AC_MSG_RESULT([yes])
3234                 SXE_ADD_MM_OBJS([sound-alsa.o])
3235                 SXE_PREPEND([-lasound], [MM_LIBS])
3236         else
3237                 AC_MSG_RESULT(no)
3238                 have_sound_alsa=no
3239         fi
3240 fi
3241
3242 dnl libao sound support
3243 if test "$with_sound_ao" != "no"; then
3244         SXE_MM_CHECK_AO([have_sound_ao=yes], [have_sound_ao=no])
3245
3246         AC_MSG_CHECKING([for sufficient AO support])
3247         if test "$have_sound_ao" = "yes"; then
3248                 AC_MSG_RESULT([yes])
3249                 AO_LIBS=`$PKG_CONFIG --libs ao`
3250                 ao_version=`$PKG_CONFIG --modversion ao`
3251                 SXE_ADD_MM_OBJS([sound-ao.o])
3252                 SXE_PREPEND($AO_LIBS, MM_LIBS)
3253                 AC_DEFINE([HAVE_AO_SOUND], [1], [Description here!])
3254                 AC_DEFINE_UNQUOTED([AO_VERSION], [$ao_version], [Description here!])
3255         else
3256                 AC_MSG_RESULT(no)
3257                 have_sound_ao=no
3258         fi
3259 fi
3260
3261 if test \
3262    "$have_sound_alsa \
3263     $have_sound_ao \
3264     $have_sound_esd \
3265     $have_sound_jack \
3266     $have_sound_nas \
3267     $have_sound_pulse" != "no no no no no no"; then
3268         AC_DEFINE([HAVE_AUDIO], [1], [Description here!])
3269 fi
3270 if test "$need_internal_media" = "yes"; then
3271         with_internal_media=yes
3272         AC_DEFINE([HAVE_INTERNAL_MEDIA], [1], [Description here!])
3273         SXE_ADD_MM_OBJS([media-internal.o])
3274 fi
3275 AC_SUBST([MM_LIBS])
3276 AC_SUBST([MM_CPPFLAGS])
3277 AC_SUBST([MM_LDFLAGS])
3278 SXE_SUBST_MM_OBJS
3279
3280
3281 ## Internationalisation Options
3282 ## ============================
3283 echo
3284 echo "Internationalisation Options"
3285 echo "============================"
3286
3287 dnl ----------------------
3288 dnl Mule-dependent options
3289 dnl ----------------------
3290
3291 dnl if test "$with_mule" = "yes" && test ! -d "$sxe_srcdir/lisp/mule"; then
3292 dnl     echo "Attempt to Build with Mule without Mule/Lisp"
3293 dnl     echo "Please install the SXEmacs/Mule tarball or"
3294 dnl     echo "rerun configure with --with-mule=no"
3295 dnl     exit 1
3296 dnl fi
3297
3298 if test "$with_file_coding" = "yes" && test "$with_mule" = "no"; then
3299   AC_DEFINE([FILE_CODING], [1], [Description here!])
3300   SXE_ADD_MULE_OBJS(file-coding.o)
3301 fi
3302
3303 if test "$with_mule" = "yes" ; then
3304         SXE_CHECK_MULE
3305
3306 else dnl "$with_mule" = "no"
3307         for feature in xim canna wnn; do
3308                 if eval "test -n \"\$with_${feature}\" -a \
3309                         \"\$with_${feature}\" != no" ; then
3310                         AC_MSG_WARN([--with-${feature} ignored:  Not valid without Mule support])
3311                 fi
3312                 eval "with_${feature}=no"
3313         done
3314 fi dnl with_mule
3315 SXE_SUBST_MULE_OBJS
3316 AM_CONDITIONAL([WITH_MULE], [test "$with_mule" = "yes"])
3317
3318
3319 dnl At this point, we know whether we need the motif lib or not.
3320 if test "$need_motif" = "yes" ; then
3321         SXE_PREPEND([-lXm], [libs_x])
3322         dnl AIX needs the following library for use with Motif
3323         AC_CHECK_LIB([i18n], [layout_object_getvalue])
3324         if test "$ac_cv_lib_i18n_layout_object_getvalue" = "yes"; then
3325                 SXE_PREPEND([-li18n], [libs_x])
3326         fi
3327 fi
3328
3329 dnl getaddrinfo() is borked under hpux11
3330 if test "$ac_cv_func_getaddrinfo" != "no" ; then
3331   case "$opsys" in
3332     hpux11 )
3333       AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
3334       ac_cv_func_getaddrinfo=no
3335       ;;
3336   esac
3337 fi
3338
3339
3340 ## Database Options
3341 ## ================
3342 echo
3343 echo "Database Options"
3344 echo "================"
3345
3346 dnl Database support
3347 dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
3348 dnl On FreeBSD, both DB and DBM are part of libc.
3349 dnl By default, we check for DBM support in libgdbm, then libc, then libdbm.
3350
3351 ## initialise values
3352 have_database_berkdb=no
3353 have_database_gdbm=no
3354 have_database_dbm=no
3355
3356 if test "$with_database_gdbm $with_database_dbm $with_database_berkdb" \
3357    != "no no no"; then
3358         AS_MESSAGE(checking for database support)
3359 fi
3360
3361 dnl Check for ndbm.h, required for either kind of DBM support.
3362 if test "$with_database_gdbm $with_database_dbm" != "no no"; then
3363         SXE_CHECK_NDBM
3364         if test "$sxe_cv_feat_ndbm" = "no"; then
3365                 have_database_gdbm="no"
3366                 have_database_dbm="no"
3367         fi
3368 fi
3369
3370 dnl Check for DBM support in libgdbm or libgdbm_compat.
3371 if test "$with_database_gdbm" != "no"; then
3372         SXE_CHECK_GDBM
3373
3374         if test "$sxe_cv_feat_gdbm" = "yes"; then
3375                 have_database_gdbm="yes"
3376         else
3377                 have_database_gdbm="no"
3378         fi
3379 fi
3380
3381 dnl Check for DBM support in libc and libdbm.
3382 if test "$with_database_dbm" != "no"; then
3383         SXE_CHECK_DBM
3384
3385         if test "$sxe_cv_feat_gdbm" != "yes" -a \
3386                 "$sxe_cv_feat_dbm" = "yes"; then
3387                 have_database_dbm="yes"
3388         else
3389                 have_database_dbm="no"
3390         fi
3391 fi
3392
3393 dnl Check for Berkeley DB.
3394 if test "$with_database_berkdb" != "no"; then
3395         SXE_CHECK_BERKDB
3396
3397         if test "$sxe_cv_feat_berkdb" = "yes"; then
3398                 have_database_berkdb="yes"
3399         else
3400                 have_database_berkdb="no"
3401         fi
3402 fi
3403
3404 if test "$have_database_gdbm $have_database_dbm $have_database_berkdb" \
3405      != "no no no"; then
3406         AC_DEFINE([HAVE_DATABASE], [1], [Description here!])
3407         SXE_ADD_DB_OBJS([database.o])
3408
3409         SXE_CHECK_NDBM_BERKDB_CONFLICT
3410         if test "$sxe_cv_db_ndbm_berkdb_conflict" = "yes"; then
3411                 ## can't do nothing because the way we designed it
3412                 ## is going to conflict at compile time
3413                 have_database_gdbm="no"
3414                 have_database_dbm="no"
3415
3416         elif test "$have_database_gdbm $have_database_dbm" != "no no"; then
3417                 AC_DEFINE([HAVE_DBM], [1], [Description here!])
3418
3419                 ## Also, tell make about the DBM support we detected.
3420                 if test -n "$libdbm"; then
3421                         SXE_PREPEND([$libdbm], [DB_LIBS])
3422                 fi
3423         fi
3424 fi
3425
3426
3427 dnl Autodetect LDAP
3428 if test "$with_ldap" != "no"; then
3429         SXE_CHECK_LDAP
3430 fi
3431 if test "$have_ldap" = "yes"; then
3432         AC_DEFINE([HAVE_LDAP], [1], [Description here!])
3433         SXE_ADD_DB_OBJS(eldap.o)
3434         if test "$have_ldap_des" = "yes" ; then
3435                 SXE_PREPEND(-ldes, DB_LIBS)
3436         fi
3437         if test "$have_ldap_krb" = "yes" ; then
3438                 SXE_PREPEND(-lkrb, DB_LIBS)
3439         fi
3440         if test "$have_ldap_lber" = "yes" ; then
3441                 SXE_PREPEND(-llber, DB_LIBS)
3442         fi
3443         SXE_PREPEND(-lldap, DB_LIBS)
3444
3445         dnl save our values until here
3446         save_LIBS="$LIBS"
3447         LIBS="$DB_LIBS $LIBS"
3448         AC_CHECK_FUNCS(
3449                 [ldap_set_option ldap_get_lderrno ldap_result2error ldap_parse_result])
3450         dnl and restore
3451         LIBS="$save_LIBS"
3452 fi
3453
3454 dnl Autodetect PostgreSQL
3455 if test "x$with_postgresql" != "xno"; then
3456         SXE_CHECK_POSTGRESQL
3457 fi
3458 SXE_SUBST_DB_OBJS
3459
3460
3461 dnl Usage tracking (undocumented and likely unused option)
3462 if test "$usage_tracking" = "yes"; then
3463   AC_DEFINE([USAGE_TRACKING], [1], [Description here!])
3464   SXE_PREPEND(-Bstatic -lut -Bdynamic, LIBS)
3465 fi
3466
3467 dnl Unfortunately, just because we can link doesn't mean we can run.
3468 dnl One of the above link tests may have succeeded but caused resulting
3469 dnl executables to fail to run.  Also any tests using AC_RUN_IFELSE will
3470 dnl have reported incorrect results.
3471 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int c,char *v[]){return 0;}]])],[:],[
3472   echo ""
3473   echo "*** PANIC *** The C compiler can no longer build working executables."
3474   echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
3475   echo "*** PANIC *** The most likely reason for this problem is that configure"
3476   echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
3477   echo "*** PANIC *** found at run time."
3478   echo "*** PANIC ***"
3479   echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
3480   echo "*** PANIC *** On other systems, try telling configure where to find the"
3481   echo "*** PANIC *** shared libraries using the --with-site-runtime-libraries option"
3482   echo "*** PANIC ***"
3483   echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
3484   echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
3485   echo "*** PANIC *** on your system.  Don't do that."
3486   exit 1], [AS_MESSAGE(cannot cross-compile)])
3487
3488 dnl Process support
3489 AC_DEFINE([HAVE_UNIX_PROCESSES], [1], [Description here!])
3490
3491 dnl --------------------------------
3492 dnl Compute SUBST-itutable variables
3493 dnl --------------------------------
3494
3495 dnl We ignore (C|LD)_SWITCH_X_(MACHINE|SYSTEM)
3496 dnl Use SXE_CONSECUTIVE_UNDUP instead of plain assignment statements to remove extraneous blanks
3497 if test "$with_module_support" = "yes"; then
3498         ld_libs_module=
3499 else
3500         SXE_CONSECUTIVE_UNDUP(ld_libs_module, $ldap_libs $postgresql_libs)
3501 fi
3502
3503 SXE_UNDUP(CFLAGS, $CFLAGS)
3504 SXE_UNDUP(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system $CFLAGS $CPPFLAGS)
3505 SXE_UNDUP(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
3506 SXE_UNDUP(c_switch_all, $c_switch_general $c_switch_window_system)
3507 SXE_UNDUP(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
3508 SXE_UNDUP(ld_switch_window_system, $ld_switch_x_site)
3509 SXE_UNDUP(ld_switch_all, $ld_switch_general $ld_switch_window_system)
3510 dnl Since some systems need libs to be restated later, we can't just dedup, we can only safely dedup
3511 dnl consecutive occurrences
3512 SXE_CONSECUTIVE_UNDUP(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
3513 SXE_CONSECUTIVE_UNDUP(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
3514 SXE_CONSECUTIVE_UNDUP(ld_libs_all, $OPENSSL_LIBS $DB_LIBS $ENT_LIBS $MM_LIBS $ld_libs_window_system $ld_libs_general $ld_libs_module)
3515
3516 dnl For no-module builds, make the src dir last
3517 if test "$with_module_support" = "no"; then
3518         SXE_APPEND(src, MAKE_SUBDIR)    dnl is that still important?
3519 fi
3520
3521 EMACS=$sxe_blddir/src/$PROGNAME
3522 AC_SUBST(EMACS)
3523
3524 dnl Compute lists of Makefiles and subdirs
3525 AC_SUBST(SRC_SUBDIR_DEPS)
3526 internal_makefile_list="Makefile.in"
3527 SUBDIR_MAKEFILES=''
3528 test -d lock || mkdir lock
3529 for dir in $MAKE_SUBDIR; do
3530   case "$dir" in */* ) dnl Implement mkdir -p
3531     ( for d in `echo $dir | sed 's:/: :g'` ; do
3532         test -d "$d" || mkdir "$d"; cd "$d"
3533       done ) ;;
3534    * ) test -d "$dir" || mkdir "$dir" ;;
3535   esac
3536   SXE_SPACE(SUBDIR_MAKEFILES, $SUBDIR_MAKEFILES $dir/Makefile $dir/Makefile)
3537   SXE_SPACE(internal_makefile_list, $internal_makefile_list $dir/Makefile.in)
3538 done
3539
3540 AC_SUBST(INSTALL_ARCH_DEP_SUBDIR)
3541 AC_SUBST(MAKE_SUBDIR)
3542 AC_SUBST(MAKE_AM_SUBDIR)
3543 AC_SUBST(SUBDIR_MAKEFILES)
3544
3545 dnl ----------------------------------------------
3546 dnl Create some auxiliary files for developers.
3547 dnl ----------------------------------------------
3548
3549 dnl Create a useful TAGS file
3550 if test -f "$sxe_srcdir/TAGS" -a ! -f "TAGS"; then
3551   test "$extra_verbose" = "yes" && echo "creating TAGS"
3552   echo "\f
3553 $sxe_srcdir/TAGS,include" > "TAGS"
3554 fi
3555
3556 dnl Create top level .sbinit for Sun compilers
3557 if test "$__SUNPRO_C" = "yes"; then
3558   test "$extra_verbose" = "yes" && echo "creating .sbinit"
3559   ( echo "# For use with Sun WorkShop's Source browser."
3560     echo "# See sbquery(1) and sbinit(4) for more information"
3561     for dir in $MAKE_SUBDIR; do echo "import $dir"; done
3562   ) > .sbinit
3563 fi
3564
3565 ### whether to build with profile.o
3566 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3567 int main(int c, char *v[])
3568 {
3569 #ifdef HAVE_SETITIMER
3570         return 1;
3571 #else
3572         return 0;
3573 #endif
3574 }]])], [./conftest; have_setitimer=$?],
3575         [have_setitimer=$?],[have_setitimer=0])
3576 AM_CONDITIONAL([HAVE_SETITIMER], [test "$have_setitimer" = "1"])
3577
3578
3579 dnl There are no more compile tests; remove the core they created.
3580 rm -f core
3581
3582 dnl --------------------------------------------------
3583 dnl Substitute into Makefile, config.h and sxe-paths.h
3584 dnl --------------------------------------------------
3585
3586 dnl what sort of things to edit into Makefile, config.h and sxe-paths.h
3587 dnl configuration here uncanonicalized to avoid exceeding size limits.
3588
3589 AC_SUBST(PROGNAME)
3590 AC_SUBST(MULE)
3591 AC_SUBST(HAVE_LIBFFI)
3592 AC_SUBST(version)
3593 AC_SUBST(VERSION)
3594 AC_SUBST(old_version)
3595 AC_SUBST(inststaticdir)
3596 AC_SUBST(instvardir)
3597 AC_SUBST(instvarsepdir)
3598 AC_SUBST(sxe_srcdir)
3599 AC_SUBST(emodsrcdir)
3600 AC_SUBST(sxe_blddir)
3601 AC_SUBST(emodblddir)
3602 AC_SUBST(bindir)
3603 AC_SUBST(datarootdir)
3604 AC_SUBST(datadir)
3605 AC_SUBST(statedir)
3606 AC_SUBST(libdir)
3607 AC_SUBST(mandir)
3608 AC_SUBST(extra_includes)
3609
3610 AC_SUBST(prefix)
3611 AC_SUBST(PREFIX_USER_DEFINED)
3612 dnl Yo, Stephen Bourne!  I want to marry you!
3613 PREFIX=$prefix
3614 while true; do
3615   case "$PREFIX" in
3616     *\$* ) eval "PREFIX=\"${PREFIX}\"" ;;
3617     *) break ;;
3618   esac
3619 done
3620 AC_SUBST(PREFIX)
3621
3622 AC_SUBST(exec_prefix)
3623 AC_SUBST(EXEC_PREFIX_USER_DEFINED)
3624 EXEC_PREFIX=$exec_prefix
3625 while true; do
3626   case "$EXEC_PREFIX" in
3627     *\$* ) eval "EXEC_PREFIX=\"${EXEC_PREFIX}\"" ;;
3628     *) break ;;
3629   esac
3630 done
3631 AC_SUBST(EXEC_PREFIX)
3632
3633 AC_SUBST(infodir)
3634 AC_SUBST(INFODIR_USER_DEFINED)
3635 INFODIR=$infodir
3636 while true; do
3637   case "$INFODIR" in
3638     *\$* ) eval "INFODIR=\"${INFODIR}\"" ;;
3639     *) break ;;
3640   esac
3641 done
3642 AC_SUBST(INFODIR)
3643
3644 AC_SUBST(infopath,$with_infopath)
3645 AC_SUBST(INFOPATH_USER_DEFINED)
3646 INFOPATH=$with_infopath
3647 while true; do
3648   case "$INFOPATH" in
3649     *\$* ) eval "INFOPATH=\"${INFOPATH}\"" ;;
3650     *) break ;;
3651   esac
3652 done
3653 AC_SUBST(INFOPATH)
3654
3655 if test -z "$with_module_path"; then
3656     with_module_path="~/.sxemacs/${configuration}/modules:${libdir}/${PROGNAME}/${configuration}/site-modules:${libdir}/${instvardir}/${configuration}/modules"
3657 fi
3658
3659 AC_SUBST(module_path,$with_module_path)
3660 AC_SUBST(MODULE_PATH_USER_DEFINED)
3661 MODULE_PATH=$with_module_path
3662 while true; do
3663   case "$MODULE_PATH" in
3664     *\$* ) eval "MODULE_PATH=\"${MODULE_PATH}\"" ;;
3665     *) break ;;
3666   esac
3667 done
3668 AC_SUBST(MODULE_PATH)
3669
3670 if test -z "$with_package_prefix" ; then
3671   with_package_prefix=${prefix}/share/sxemacs
3672 fi
3673
3674 if test -z "$with_package_path" && test -n "$with_package_prefix" ; then
3675   if test "$with_mule" = "yes" ; then
3676     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages:~/.sxemacs/mule-packages"
3677     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages:${with_package_prefix}/mule-packages"
3678   else
3679     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages"
3680     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages"
3681   fi
3682 fi
3683
3684 AC_SUBST(package_path,$with_package_path)
3685 AC_SUBST(PACKAGE_PATH_USER_DEFINED)
3686 PACKAGE_PATH=$with_package_path
3687 while true; do
3688   case "$PACKAGE_PATH" in
3689     *\$* ) eval "PACKAGE_PATH=\"${PACKAGE_PATH}\"" ;;
3690     *) break ;;
3691   esac
3692 done
3693 AC_SUBST(PACKAGE_PATH)
3694
3695 AC_SUBST(lispdir, $with_lispdir)
3696 AC_SUBST(LISPDIR_USER_DEFINED)
3697 LISPDIR=$with_lispdir
3698 while true; do
3699   case "$LISPDIR" in
3700     *\$* ) eval "LISPDIR=\"${LISPDIR}\"" ;;
3701     *) break ;;
3702   esac
3703 done
3704 AC_SUBST(LISPDIR)
3705
3706 AC_SUBST(moduledir,$with_moduledir)
3707 AC_SUBST(MODULEDIR_USER_DEFINED)
3708 MODULEDIR=$with_moduledir
3709 while true; do
3710   case "$MODULEDIR" in
3711     *\$* ) eval "MODULEDIR=\"${MODULEDIR}\"" ;;
3712     *) break ;;
3713   esac
3714 done
3715 AC_SUBST(MODULEDIR)
3716
3717 AC_SUBST([sitelispdir], [$with_sitelispdir])
3718 AC_SUBST([SITELISPDIR_USER_DEFINED])
3719 SITELISPDIR=$sitelispdir
3720 while true; do
3721   case "$SITELISPDIR" in
3722     *\$* ) eval "SITELISPDIR=\"${SITELISPDIR}\"" ;;
3723     *) break ;;
3724   esac
3725 done
3726 AC_SUBST(SITELISPDIR)
3727
3728 AC_SUBST(sitemoduledir,$with_sitemoduledir)
3729 AC_SUBST(SITEMODULEDIR_USER_DEFINED)
3730 SITEMODULEDIR=$with_sitemoduledir
3731 while true; do
3732   case "$SITEMODULEDIR" in
3733     *\$* ) eval "SITEMODULEDIR=\"${SITEMODULEDIR}\"" ;;
3734     *) break ;;
3735   esac
3736 done
3737 AC_SUBST(SITEMODULEDIR)
3738
3739 AC_SUBST(etcdir,$with_etcdir)
3740 AC_SUBST(ETCDIR_USER_DEFINED)
3741 ETCDIR=$with_etcdir
3742 while true; do
3743   case "$ETCDIR" in
3744     *\$* ) eval "ETCDIR=\"${ETCDIR}\"" ;;
3745     *) break ;;
3746   esac
3747 done
3748 AC_SUBST(ETCDIR)
3749
3750 AC_SUBST(archlibdir,$with_archlibdir)
3751 AC_SUBST(ARCHLIBDIR_USER_DEFINED)
3752 ARCHLIBDIR=$with_archlibdir
3753 while true; do
3754   case "$ARCHLIBDIR" in
3755     *\$* ) eval "ARCHLIBDIR=\"${ARCHLIBDIR}\"" ;;
3756     *) break ;;
3757   esac
3758 done
3759 AC_SUBST(ARCHLIBDIR)
3760
3761 AC_SUBST(docdir,$with_docdir)
3762 AC_SUBST(DOCDIR_USER_DEFINED)
3763 DOCDIR=$with_docdir
3764 while true; do
3765   case "$DOCDIR" in
3766     *\$* ) eval "DOCDIR=\"${DOCDIR}\"" ;;
3767     *) break ;;
3768   esac
3769 done
3770 AC_SUBST(DOCDIR)
3771
3772 AC_SUBST(docdir)
3773 AC_SUBST(bitmapdir)
3774
3775 dnl The following flags combine all the information from:
3776 dnl - command line options (user always gets priority)
3777 dnl - user environment variables
3778 dnl - determined by configure
3779 dnl - the s&m header files (required for ellcc)
3780 AC_SUBST(machfile)
3781 AC_SUBST(opsysfile)
3782 AC_SUBST(c_switch_general)
3783 AC_SUBST(c_switch_window_system)
3784 AC_SUBST(c_switch_all)
3785 AC_SUBST(ld_switch_general)
3786 AC_SUBST(ld_switch_window_system)
3787 AC_SUBST(ld_switch_all)
3788 AC_SUBST(ld_libs_general)
3789 AC_SUBST(ld_libs_window_system)
3790 AC_SUBST(ld_libs_all)
3791 AC_SUBST(CFLAGS)
3792 AC_SUBST(CPPFLAGS)
3793 AC_SUBST(LDFLAGS)
3794 RECURSIVE_MAKE_ARGS="\$(MFLAGS) CC='\$(CC)' CFLAGS='\$(CFLAGS)' LDFLAGS='\$(LDFLAGS)' CPPFLAGS='\$(CPPFLAGS)'"
3795 if test -z "$MAKE"; then
3796         MAKE=make
3797 fi
3798 case `$MAKE --version 2>/dev/null` in
3799    GNU\ Make*)
3800         AM_MAKEFLAGS="-w $AM_MAKEFLAGS"
3801         RECURSIVE_MAKE_ARGS="-w $RECURSIVE_MAKE_ARGS"
3802    ;;
3803    *)
3804         echo ===================================
3805         echo $MAKE does not seem to be GNU Make
3806         echo If you find makefile errors please try using GNU Make as some
3807         echo autoconf constructs may not be proper for your make variant
3808         echo ===================================
3809    ;;
3810 esac
3811 AC_SUBST(RECURSIVE_MAKE_ARGS)
3812 AC_SUBST(AM_MAKEFLAGS)
3813
3814 AC_SUBST(sound_cflags)
3815 AC_SUBST(AR)
3816 AC_SUBST(RANLIB)
3817
3818 AC_SUBST(SXEMACS_CC)
3819 AC_SUBST(SXE_CFLAGS)
3820
3821 SXE_SUBST_CORE_OBJS()
3822
3823 SXE_SUBST_CRUFT_OBJS
3824
3825 dnl The default is yes
3826 if test "$with_prefix" = "yes"; then
3827   AC_DEFINE([PREFIX_USER_DEFINED], [1], [Description here!])
3828 fi
3829
3830 dnl Should this stay even though --with-site-modules is no longer an
3831 dnl option?  It is used in emacs.c for when the -no-site-modules cmd line
3832 dnl opt is used.  That cmd line opt definitely has usefullness.  Sebastian?
3833 dnl --SY.
3834 dnl The default is yes
3835 if test "$with_site_modules" = "no"; then
3836   AC_DEFINE([INHIBIT_SITE_MODULES], [1], [Description here!])
3837 fi
3838
3839 dnl SXE_SPACE(ac_configure_args, $ac_configure_args)
3840 AC_DEFINE_UNQUOTED([EMACS_CONFIGURATION], ["$ac_cv_build"], [Description here!])
3841 AC_DEFINE_UNQUOTED([EMACS_CONFIG_OPTIONS], ["$ac_configure_args"], [Description here!])
3842
3843 AC_SUBST([srcdir_equals_blddir_p])
3844
3845 dnl Following are deprecated
3846 null_string=""
3847 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE], [$null_string], [Description here!])
3848 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE_AUX], [$null_string], [Description here!])
3849 AC_DEFINE_UNQUOTED([C_SWITCH_X_SITE], [$null_string], [Description here!])
3850 AC_DEFINE_UNQUOTED([LD_SWITCH_SITE], [$null_string], [Description here!])
3851 AC_DEFINE_UNQUOTED([C_SWITCH_SITE], [$null_string], [Description here!])
3852
3853 dnl Note: as a general rule, *only* define things here that are not
3854 dnl autodetected.  For things that are autodetected, define them
3855 dnl at the point where the autodetection occurs or would occur,
3856 dnl so that the user gets immediate feedback on the results of the
3857 dnl autodetection.
3858
3859 if test "$GNU_MALLOC" = "yes"; then
3860         AC_DEFINE([GNU_MALLOC], [1], [Description here!])
3861         SXE_ADD_MEMALLOC_OBJS(vm-limit.o)
3862         if test "$doug_lea_malloc" != "yes"; then
3863                 SXE_ADD_MEMALLOC_OBJS(gmalloc.o)
3864         fi
3865         if test "$with_error_checking_malloc" = "yes"; then
3866                 dnl SXE_ADD_MEMALLOC_OBJS(free-hook.o)
3867                 :
3868         fi
3869 elif test "$with_system_malloc" = "yes" -o "$system_malloc" = "yes"; then
3870         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3871         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3872 elif test "$with_debug_malloc"  = "yes"; then
3873         AC_DEFINE([USE_DEBUG_MALLOC], [1], [Description here!])
3874         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3875         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3876         SXE_APPEND(-ldmalloc, MEMALLOC_LIBS)
3877 else
3878         SXE_ADD_MEMALLOC_OBJS([malloc.o])
3879 fi
3880 test "$GCC" = "yes" && \
3881         AC_DEFINE([USE_GCC], [1], [Description here!])
3882 test "$with_external_widget" = "yes" && \
3883         AC_DEFINE([EXTERNAL_WIDGET], [1], [Description here!])
3884 test "$with_quick_build" = "yes" && \
3885         AC_DEFINE([QUICK_BUILD], [1], [Description here!])
3886 if test "$with_purify" = "yes"; then
3887         AC_DEFINE([PURIFY], [1], [Description here!])
3888         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3889 fi
3890 if test "$with_quantify" = "yes"; then
3891         AC_DEFINE([QUANTIFY], [1], [Description here!])
3892         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3893 fi
3894 test "$with_pop" = "yes" && \
3895         AC_DEFINE([MAIL_USE_POP], [1], [Description here!])
3896 test "$with_hesiod" = "yes" && \
3897         AC_DEFINE([HESIOD], [1], [Description here!])
3898 test "$with_regex_malloc" = "yes" && \
3899         AC_DEFINE([REGEX_MALLOC], [1], [Description here!])
3900 test "$with_ipv6_cname" = "yes" && \
3901         AC_DEFINE([IPV6_CANONICALIZE], [1], [Description here!])
3902 if test "$with_pdump" = "yes"; then
3903         AC_DEFINE([PDUMP], [1], [Description here!])    dnl deprecated!
3904         AC_DEFINE([WITH_PDUMP], [1], [Description here!])
3905 fi
3906
3907 AM_CONDITIONAL([WITH_EXTW], [test "$with_external_widget" = "yes"])
3908 AM_CONDITIONAL([WITH_PDUMP], [test "$with_pdump" = "yes"])
3909 AC_SUBST([MEMALLOC_LIBS])
3910 SXE_SUBST_MEMALLOC_OBJS
3911
3912
3913 AC_DEFINE_UNQUOTED([USER_FULL_NAME], [pw->pw_gecos], [dnl
3914         USER_FULL_NAME returns a string that is the user's full name.
3915         It can assume that the variable `pw' points to the password file
3916         entry for this user.
3917
3918         At some sites, the pw_gecos field contains the user's full name.
3919         If neither this nor any other field contains the right thing, use
3920         pw_name, giving the user's login name, since that is better than
3921         nothing.])
3922
3923 AC_DEFINE([SIGTYPE], [RETSIGTYPE], [SIGTYPE is the macro we actually use])
3924 AC_DEFINE([SIGRETURN], [return], [SIGTYPE is the macro we actually use])
3925
3926 ## finally, redefine VERSION; this has to be done after all tests on C sources
3927 ## were run because otherwise the symbol VERSION would be defined twice and
3928 ## the C compiler would warn, sigh, and due to this stupid -Werror flag we ...
3929 ## tadadada ... will fail to run _any_ C test successfully
3930 AC_DEFINE_UNQUOTED([VERSION], ["$version"], [Version of SXEmacs.])
3931
3932 AH_TOP([
3933 #ifndef INCLUDED_sxe_config_h_
3934 #define INCLUDED_sxe_config_h_
3935
3936 #ifndef NOT_C_CODE
3937 #if defined (__GNUC__)
3938 #define alloca __builtin_alloca
3939 #elif defined __DECC
3940 #include <alloca.h>
3941 #pragma intrinsic(alloca)
3942 #elif defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3943 /* defer #include to end of file */
3944 #elif defined HAVE_ALLOCA_H
3945 #include <alloca.h>
3946 #elif defined(_AIX)
3947 #pragma alloca
3948 #elif ! defined (alloca)
3949 void *alloca();
3950 #endif
3951 #endif  /* C code */
3952 ])
3953
3954 AH_BOTTOM([
3955 /* The configuration script may define `opsysfile' to be the name of
3956    the s/...h file that describes your operating system.
3957    The file name is chosen based on the configuration name. */
3958
3959 #ifdef config_opsysfile
3960 #include config_opsysfile
3961 #endif
3962
3963 /* The configuration script may define `machfile' to be the name of
3964    the m/...h file that describes the machine you are using.
3965    The file name is chosen based on the configuration name. */
3966
3967 #ifdef config_machfile
3968 #include config_machfile
3969 #endif
3970
3971 /* basic system calls */
3972 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3973 # define ENCAPSULATE_READ
3974 # define ENCAPSULATE_WRITE
3975 #endif
3976 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3977 # define ENCAPSULATE_OPEN
3978 #endif
3979 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3980 # define ENCAPSULATE_CLOSE
3981 #endif
3982 /* stdio calls */
3983 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3984 # define ENCAPSULATE_FREAD
3985 # define ENCAPSULATE_FWRITE
3986 #endif
3987 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3988 # define ENCAPSULATE_FOPEN
3989 #endif
3990 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3991 # define ENCAPSULATE_FCLOSE
3992 #endif
3993
3994 #if defined (HAVE_SOCKS) && !defined (DO_NOT_SOCKSIFY)
3995 #define accept Raccept
3996 #define bind Rbind
3997 #define connect Rconnect
3998 #define getsockname Rgetsockname
3999 #define listen Rlisten
4000 #endif                          /* HAVE_SOCKS && !DO_NOT_SOCKSIFY */
4001
4002 #ifndef NOT_C_CODE              /* Actually means C or C++ */
4003 # if defined (__cplusplus)
4004 /* Avoid C++ keywords used as ordinary C identifiers */
4005 #  define class c_class
4006 #  define new   c_new
4007 #  define this  c_this
4008 #  define catch c_catch
4009 #  define EXTERN_C extern "C"
4010 # else                          /* C code */
4011 #  define EXTERN_C extern
4012 # endif
4013 #endif                          /* C or C++ */
4014 /* Strictly speaking, only int or unsigned int are valid types in a
4015    bitfield.  In practice, we would like to use enums as bitfields.
4016    The following should just result in warning avoidance:
4017    warning: nonportable bit-field type */
4018 #ifdef __GNUC__
4019 #define enum_field(enumeration_type) enum enumeration_type
4020 #else
4021 #define enum_field(enumeration_type) unsigned int
4022 #endif
4023
4024 #ifndef NOT_C_CODE
4025 #if defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
4026 /* icc's alloca.h pulls in <features.h>,
4027    but that must be done after _GNU_SOURCE and friends are defined */
4028 #include <alloca.h>
4029 #endif
4030 #endif                          /* C code */
4031
4032 #endif  /* INCLUDED_sxe_config_h_ */
4033 ])
4034
4035
4036 dnl -------------------------------------------------------------------------
4037 dnl -------------------------------
4038 dnl Report on what we decided to do
4039 dnl -------------------------------
4040
4041 dnl #### We should tag this as the _build_ environment.
4042 dnl Before doing that, though, must check if tools care about line 1.
4043
4044 (
4045 dnl /etc/osversion is on SONY NEWS-OS
4046 if test -f /etc/osversion; then dnl SONY NEWS-OS
4047   echo "osversion: `cat /etc/osversion`"
4048 else
4049   echo "uname -a: `uname -a`"
4050 fi
4051 echo ""
4052 echo "$0 $ac_configure_args"
4053 ) > Installation
4054
4055 if test ! -z ${emacs_beta_version} ; then
4056   if test -z "${emacs_is_beta}" ; then
4057         sxemacs_betaname=".${emacs_beta_version}"
4058   else
4059         sxemacs_betaname="-b${emacs_beta_version}"
4060   fi
4061 else
4062   sxemacs_betaname=""
4063 fi
4064
4065 dnl -----------------
4066 dnl Talking LFSL now!
4067 dnl -----------------
4068
4069 dnl -----------------------------------
4070 dnl Now generate config.h and Makefiles
4071 dnl -----------------------------------
4072
4073 dnl This has to be called in order for this variable to get into config.status
4074 AC_SUBST([internal_makefile_list])
4075 # Remove any trailing slashes in these variables.
4076 if test -n "$prefix"; then
4077         prefix=`echo '' "$prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4078 fi
4079 if test -n "$exec_prefix"; then
4080         exec_prefix=`echo '' "$exec_prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4081 fi
4082
4083 make_ifeq="ifeq"
4084 make_endif="endif"
4085 make_else="else"
4086 AC_SUBST([make_ifeq])
4087 AC_SUBST([make_endif])
4088 AC_SUBST([make_else])
4089
4090 dnl Coupla things needed for subst'ing into the sxemacs.desktop file
4091 ABS_PROGNAME=${prefix}/bin/${PROGNAME}
4092 ABS_ETCDIR=${ETCDIR}
4093 SXE_CANONICALISE_PATH([ABS_PROGNAME])
4094 SXE_CANONICALISE_PATH([ABS_ETCDIR])
4095 AC_SUBST([ABS_PROGNAME])
4096 AC_SUBST([ABS_ETCDIR])
4097
4098 AC_CONFIG_FILES([src/sxe-paths.h])
4099 AC_CONFIG_FILES([Makefile])
4100 AC_CONFIG_FILES([lib-src/Makefile])
4101 AC_CONFIG_FILES([src/Makefile])
4102 AC_CONFIG_FILES([src/ui/Makefile])
4103 AC_CONFIG_FILES([src/ui/TTY/Makefile])
4104 AC_CONFIG_FILES([src/ui/lwlib/Makefile])
4105 AC_CONFIG_FILES([src/ui/X11/Makefile])
4106 AC_CONFIG_FILES([src/events/Makefile])
4107 AC_CONFIG_FILES([src/ent/Makefile])
4108 AC_CONFIG_FILES([src/media/Makefile])
4109 AC_CONFIG_FILES([src/mem/Makefile])
4110 AC_CONFIG_FILES([src/database/Makefile])
4111 AC_CONFIG_FILES([src/mule/Makefile])
4112 AC_CONFIG_FILES([src/.gdbinit:src/gdbinit])
4113 AC_CONFIG_FILES([src/.dbxrc:src/dbxrc])
4114 AC_CONFIG_FILES([lisp/Makefile])
4115 AC_CONFIG_FILES([info/Makefile])
4116 AC_CONFIG_FILES([tests/Makefile])
4117 AC_CONFIG_FILES([modules/Makefile])
4118 AC_CONFIG_FILES([etc/Makefile])
4119 AC_CONFIG_FILES([etc/sxemacs.desktop])
4120 AC_CONFIG_FILES([sxemacs.pc])
4121 AC_CONFIG_LINKS([.sxemacs.source.tree:])
4122
4123 AC_OUTPUT
4124 SXE_SUMMARY