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 the user's home directory, and is totally ignored if
 182                 --with-package-path is set.
 183                 Normally, you would not need to set this.]),
 184         [none], [None], [og_any],
 185         [AC_DEFINE([PACKAGE_PREFIX_USER_DEFINED], [1],
 186                 [package-prefix has been specified on the configure line.])],
 187         [])
 188
 189 OG_ARG_WITH([package-path],
 190         AS_HELP_STRING([--with-package-path=PATH],
 191                 [Search path to the package directories.
 192                 This path is made up of 3 separate "path elements",
 193                 each element is a colon separated list of directories,
 194                 with the boundary between elements being a double
 195                 colon.  The 3 path elements are for "early", "late",
 196                 and "last" package directories.  If only a single
 197                 element is specified it is "late".  Example:
 198                 early1:early2::late1:late2::last1:last2.  Setting this
 199                 overrides --with-package-prefix.  Normally, there is
 200                 no need to set this.]),
 201         [none], [None], [og_any],
 202         [AC_DEFINE([PACKAGE_PATH_USER_DEFINED], [1],
 203                 [package-path has been specified on the configure line.])],
 204         [])
 205
 206 dnl stupid option, innit?
 207 OG_ARG_WITH([quick-build],
 208         AS_HELP_STRING([--with-quick-build],
 209                 [Speed up the build cycle by leaving out steps where
 210                 SXEmacs will still work (more or less) without them.
 211                 Potentially dangerous if you don't know what you're
 212                 doing. This (1) doesn't garbage-collect after loading
 213                 each file during dumping, (2) doesn't automatically
 214                 rebuild the DOC file (remove it by hand to get it
 215                 rebuilt), (3) Removes config.h lisp.h and associated
 216                 files from the dependency lists so changes to these
 217                 files don't automatically cause all .c files
 218                 to be rebuilt.]),
 219         [no], [No], [])
 220
 221 OG_ARG_WITH([compiler],
 222         AS_HELP_STRING([--with-compiler=COMPILER],
 223                 [Do not use me! Use CC=<your-compiler> instead!
 224                 C compiler to use.
 225                 Note: SXEmacs _CANNOT_ be built with a C++ compiler.]),
 226         [none], [None], [og_any], [
 227                 OG_WARN_OBSOLETE_OPTION([--with-compiler], [CC=<your-cc>])])
 228
 229 OG_ARG_WITH([cflags],
 230         AS_HELP_STRING([--with-cflags],
 231                 [Do not use me! Use CFLAGS=<your flags> instead!
 232                 Compiler flags (such as -O); setting this overrides
 233                 all default compiler flags except those that control
 234                 warnings. Most people wouldn't need to set
 235                 this.]),
 236         [none], [None], [og_any], [
 237                 OG_WARN_OBSOLETE_OPTION([--with-cflags], [CFLAGS=<your flags>])])
 238
 239 OG_ARG_WITH([cflags-warning],
 240         AS_HELP_STRING([--with-cflags-warning],
 241                 [Do not use me! I will disappear soon!]),
 242         [none], [None], [og_any])
 243
 244 OG_ARG_WITH([cpp],
 245         AS_HELP_STRING([--with-cpp],
 246                 [Do not use me! Use CPP=<your-cpp> instead!]),
 247         [none], [None], [og_any], [
 248                 OG_WARN_OBSOLETE_OPTION([--with-cpp], [CPP=<your-cpp>])
 249                 CPP="$with_cpp"])
 250
 251 OG_ARG_WITH([cppflags],
 252         AS_HELP_STRING([--with-cppflags],
 253                 [Do not use me! Use CPPFLAGS=<your flags> instead!]),
 254         [none], [None], [og_any], [
 255                 OG_WARN_OBSOLETE_OPTION([--with-cppflags], [CPPFLAGS=<your flags>])
 256                 CPPFLAGS="$with_cppflags"])
 257
 258 OG_ARG_WITH([libs],
 259         AS_HELP_STRING([--with-libs],
 260                 [Do not use me! Use LIBS=<your libs> instead!]),
 261         [none], [None], [og_any], [
 262                 OG_WARN_OBSOLETE_OPTION([--with-libs], [LIBS=<your libs>])
 263                 LIBS="$with_libs"])
 264
 265 OG_ARG_WITH([ldflags],
 266         AS_HELP_STRING([--with-ldflags],
 267                 [Do not use me! Use LDFLAGS=<your flags> instead!]),
 268         [none], [None], [og_any], [
 269                 OG_WARN_OBSOLETE_OPTION([--with-ldflags], [LDFLAGS=<your flags>])
 270                 LDFLAGS="$with_ldflags"])
 271
 272 OG_ARG_WITH([ridiculously-aggressive-optimisations],
 273         AS_HELP_STRING([--with-ridiculously-aggressive-optimisations],
 274                 [Whether to try all possible optimisations]),
 275         [no], [No])
 276
 277 OG_ARG_WITH([maximum-warning-output],
 278         AS_HELP_STRING([--with-maximum-warning-output],
 279                 [Whether to output as many warnings as possible]),
 280         [no], [No])
 281
 282
 283 dnl Internal Options
 284 dnl ================
 285 OG_OPTION_GROUP(Internal Options)
 286
 287 OG_ARG_WITH([dynamic],
 288         AS_HELP_STRING([--with-dynamic],
 289                 [Link dynamically if supported by system.
 290                 'NO' forces static linking.]),
 291         [auto], [Autodetect])
 292
 293 OG_ARG_WITH([rel-alloc],
 294         AS_HELP_STRING([--with-rel-alloc],
 295                 [Relocating allocator for buffers.]),
 296         [default], [Autodetect])
 297
 298 OG_ARG_WITH([dlmalloc],
 299         AS_HELP_STRING([--with-dlmalloc],
 300                 [Use Doug Lea's malloc.]),
 301         [default], [Autodetect])
 302
 303 OG_ARG_WITH([debug-malloc],
 304         AS_HELP_STRING([--with-debug-malloc],
 305                 [Use a debugging malloc.]),
 306         [no], [NO])
 307
 308 OG_ARG_WITH([system-malloc],
 309         AS_HELP_STRING([--with-system-malloc],
 310                 [Use a system malloc instead of GNU.]),
 311         [default], [YES if using quantify or purify; NO otherwise])
 312
 313 OG_ARG_WITH([regex-malloc],
 314         AS_HELP_STRING([--with-regex-malloc],
 315                 [Use malloc for regex failure stack.]),
 316         [yes], [YES])
 317
 318 OG_ARG_WITH([ffi],
 319         AS_HELP_STRING([--with-ffi],
 320                 [Compile in experimental support for
 321                 Foreign Function Interface.]),
 322         [yes], [YES])
 323
 324 OG_ARG_WITH([module-support],
 325         AS_HELP_STRING([--with-module-support],
 326                 [Compile in experimental support for dynamically
 327                 loaded libraries (Dynamic Shared Objects).]),
 328         [yes], [YES if shared libraries are supported])
 329
 330 OG_MULTIARG_WITH([modules], [dnl
 331         AS_HELP_STRING([--with-modules], [
 332                 Which modules to compile and install.])],
 333         [all], [all], [dnl
 334         OG_MULTIARG_ITEM([ase], [ase], [algebraic structures])
 335         OG_MULTIARG_ITEM([cl], [cl], [fast Common Lisp implementation])
 336 ])
 337         dnl OG_MULTIARG_ITEM([dbus], [dbus], [D-BUS bindings])
 338
 339 OG_MULTIARG_WITH([static-modules], [dnl
 340         AS_HELP_STRING([--with-static-modules], [
 341                 Which modules to compile as archives to link their
 342                 functionality statically into the SXEmacs binary.])
 343         AS_HELP_STRING([], [
 344                 You should regard this as a proof of concept.])],
 345         [none], [NONE], [dnl
 346         OG_MULTIARG_ITEM([ase], [ase], [algebraic structures])
 347         OG_MULTIARG_ITEM([cl], [cl], [fast Common Lisp implementation])
 348 ])
 349         dnl OG_MULTIARG_ITEM([dbus], [dbus], [D-BUS bindings])
 350
 351 OG_MULTIARG_WITH([ent], [dnl
 352         AS_HELP_STRING([--with-ent], [
 353                 Compile in support for enhanced number types,
 354                 using internal and external libraries.])],
 355         [none int fpfloat indef gmp], [int fpfloat indef gmp], [dnl
 356         OG_MULTIARG_ITEM([int], [int], [native integer arithmetics])
 357         OG_MULTIARG_ITEM([fpfloat], [fpfloat], [native fixed precision floats])
 358         OG_MULTIARG_ITEM([indef], [indef], [native abstract indefinites])
 359         OG_MULTIARG_ITEM([gmp], [GMP], [GNU multiprecision library])
 360         OG_MULTIARG_ITEM([mpfr], [MPFR], [Multiprecision Floats with correct Rounding])
 361         OG_MULTIARG_ITEM([mpc], [MPC], [Multiprecision Complex numbers (C/R)])
 362         OG_MULTIARG_ITEM([pseug], [pseudoG], [native Gaussian Numbers (Z+Z)])
 363         OG_MULTIARG_ITEM([pseuc], [pseudoC], [native Complex Numbers (C/R)])
 364         OG_MULTIARG_ITEM([quatern], [Quaternions], [native Quaternions (Z+Z+Z+Z)])
 365         OG_MULTIARG_ITEM([ecm], [ECM], [factorisations per Elliptic Curve Method])
 366         OG_MULTIARG_MUTEX([mpz], [Arbitrary precision integers], [gmp mp])
 367         OG_MULTIARG_MUTEX([complex], [Complex numbers as in C/R], [mpc pseuc])
 368 ])
 369
 370 OG_MULTIARG_WITH([ase], [dnl
 371         AS_HELP_STRING([--with-ase], [
 372                 Compile in support for algebraic structures based on ENT,
 373                 using internal and external libraries.])],
 374         [none], [none], [dnl
 375         OG_MULTIARG_ITEM([cart], [cartesian], [Cartesian Products of ENT and ASE objects])
 376         OG_MULTIARG_ITEM([dig], [digraph], [Directed 2-ary Graphs with Colours])
 377         OG_MULTIARG_ITEM([intv], [interval], [Intervals of comparable or normed ENT and ASE objects])
 378         OG_MULTIARG_ITEM([metric], [metric], [Metric Spaces])
 379         OG_MULTIARG_ITEM([nbhood], [neighbourhood], [Neighbourhoods of comparable or normed ENT and ASE objects])
 380         OG_MULTIARG_ITEM([perm], [permutation], [Permutations])
 381         OG_MULTIARG_ITEM([resclass], [resclass], [Residue Class Rings and Classes])
 382 ])
 383
 384 OG_ARG_WITH([compre],
 385         AS_HELP_STRING([--with-compre],[
 386                 Provide exhaustive caching of compiled regexps. This will
 387                 mean that frequently used regexps will be faster to use
 388                 since the compile step will not be needed after first use.]),
 389         [yes], [By default do cache compiled regexps.])
 390
 391 OG_MULTIARG_WITH([experimental-features], [dnl
 392         AS_HELP_STRING([--with-experimental-features], [
 393                 Activate experimental code, that is code which is
 394                 considered useful but whose effects in conjunction with
 395                 the variety of elisp projects cannot be foreseen.])
 396         AS_HELP_STRING([], [
 397                 During the beta phase of SXEmacs all experimental code
 398                 will be unconditionally enabled.  However, if you plan
 399                 to use this SXEmacs in a production environment you
 400                 can switch off some portions.])],
 401         [all nobdwgc], [ALL but bdwgc], [dnl
 402         OG_MULTIARG_ITEM([bdwgc], [bdwgc], [the Boehm-Demers-Weiser collector])
 403         OG_MULTIARG_ITEM([asyneq], [asyneq], [asynchronous event queues])
 404 ])
 405         dnl stop that pom stuff
 406         dnl OG_MULTIARG_ITEM([pom], [pom], [thread-safe objects])
 407
 408 OG_ARG_WITH([event-driver],
 409         AS_HELP_STRING([--with-event-driver], [
 410                 Which event routines to use.
 411                 Events control the way how external `sources' are
 412                 incorporated into SXEmacs.  Sources hereby are user inputs,
 413                 such as key strokes, mouse moves, pedalling, slapping the
 414                 monitor, etc.; but there are manifold further sources, such as
 415                 process signals, data on a socket, focussing an X window,
 416                 lapsing a timeout, and so forth.])
 417 AS_HELP_STRING([], [
 418                 An event driver can cope with all (or most) of these in a
 419                 uniform and abstract way.  SXEmacs can either be driven
 420                 using its built-in event handlers, or using one of the
 421                 external systems.]),
 422         [auto], [Autodetect], [auto built-in libevent liboop glib])
 423
 424
 425 dnl Debugging Options
 426 dnl ================
 427 OG_OPTION_GROUP(Debugging Options)
 428
 429 OG_ARG_WITH([debug],
 430         AS_HELP_STRING([--with-debug],
 431                 [Compile with extra debugging code.
 432                 This will turn on: --with-assertions
 433                 and --with-memory-usage-stats.]),
 434         [yes], [YES for beta; NO for release])
 435
 436 OG_ARG_WITH([memory-usage-stats],
 437         AS_HELP_STRING([--with-memory-usage-stats],
 438                 [Compile with support for statistics about memory usage at runtime.]),
 439         [yes], [YES for beta])
 440
 441 OG_MULTIARG_WITH([error-checking], [dnl
 442         AS_HELP_STRING([--with-error-checking=TYPE], [
 443                 Compile with internal error-checking added.])
 444         AS_HELP_STRING([], [
 445                 WARNING: Causes noticeable loss of speed!])],
 446         [all], [ALL for beta; NONE otherwise], [dnl
 447         OG_MULTIARG_ITEM([extents], [extents], [checks on extents])
 448         OG_MULTIARG_ITEM([types], [types], [checks on types])
 449         OG_MULTIARG_ITEM([gc], [gc], [checks on garbage collection])
 450         OG_MULTIARG_ITEM([malloc], [malloc], [checks on memory allocation])
 451         OG_MULTIARG_ITEM([byte_code], [byte_code], [checks on byte compiled code])
 452         OG_MULTIARG_ITEM([bufpos], [bufpos], [checks on buffer position])
 453         OG_MULTIARG_ITEM([glyphs], [glyphs], [checks on glyph data])
 454         OG_MULTIARG_ITEM([stack], [stack], [checks on stack barriers])
 455         OG_MULTIARG_ITEM([malldbg], [malldbg], [malloc debugging code])
 456 ])
 457
 458 OG_ARG_WITH([purify],
 459         AS_HELP_STRING([--with-purify],
 460                 [Add support for memory debugging using Purify.]),
 461         [no], [NO])
 462
 463 OG_ARG_WITH([quantify],
 464         AS_HELP_STRING([--with-quantify],
 465                 [Add support for performance debugging using Quantify.]),
 466         [no], [NO])
 467
 468
 469 dnl Window System Features
 470 dnl ======================
 471 OG_OPTION_GROUP(Window System Features)
 472
 473 OG_ARG_WITH([toolbars],
 474         AS_HELP_STRING([--with-toolbars],
 475                 [Compile in toolbar support.]),
 476         [yes], [YES])
 477
 478 OG_ARG_WITH([external-widget],
 479         AS_HELP_STRING([--with-external-widget],
 480                 [Enable the "external widget" interface,
 481                 which allows a SXEmacs frame to appear as a widget in
 482                 another application.
 483                 To date, we haven't heard of anyone who has actually done this.
 484                 Consider this EXPERIMENTAL.]),
 485         [no], [NO])
 486
 487 OG_ARG_WITH([menubars],
 488         AS_HELP_STRING([--with-menubars=TYPE],
 489                 [Type of menubars to use.  The Lucid menubars emulate
 490                 Motif (mostly) but are faster.]),
 491         [lucid], [Lucid], [lucid no])
 492
 493 OG_ARG_WITH([scrollbars],
 494         AS_HELP_STRING([--with-scrollbars=TYPE],
 495                 [Type of scrollbars to use.
 496                 *WARNING*  The Motif scrollbars are currently broken.]),
 497         [lucid], [Lucid], [lucid motif athena no])
 498
 499 OG_ARG_WITH([dialogs],
 500         AS_HELP_STRING([--with-dialogs=TYPE],
 501                 [Type of dialog boxes to use.  Athena dialogs will
 502                  be used if Athena can be found.]),
 503         [athena], [], [athena motif no])
 504
 505 OG_ARG_WITH([widgets],
 506         AS_HELP_STRING([--with-widgets=TYPE],
 507                 [Type of native widgets to use.  Athena widgets will
 508                 be used if Athena can be found.]),
 509         [athena], [], [athena motif no])
 510
 511 OG_ARG_WITH([athena],
 512         AS_HELP_STRING([--with-athena=TYPE],
 513                 [Type of Athena widgets to use.]),
 514         [auto], [Autodetect], [auto xaw 3d next 95 xpm no])
 515
 516 OG_ARG_WITH([xim],
 517         AS_HELP_STRING([--with-xim],
 518                 [Type of Mule input method to use.]),
 519         [auto], [Autodetect], [yes no xlib motif])
 520
 521 OG_ARG_WITH([wmcommand],
 522         AS_HELP_STRING([--with-wmcommand],
 523                 [Compile with realized leader window which will
 524                 keep the WM_COMMAND property.]),
 525         [yes], [YES])
 526
 527 OG_ARG_WITH([xmu],
 528         AS_HELP_STRING([--with-xmu],
 529                 [For those unfortunates whose vendors don't ship Xmu.]),
 530         [auto], [Autodetect])
 531
 532 OG_ARG_WITH([xfs],
 533         AS_HELP_STRING([--with-xfs],
 534                 [Compile with XFontSet support for internationalized
 535                 menubar.  Incompatible with `--with-xim=motif'.
 536                 `--with-menubars=lucid' (the default) is desirable.]),
 537         [no], [NO])
 538
 539 dnl TTY Options
 540 dnl ================
 541 OG_OPTION_GROUP(TTY options)
 542
 543 OG_ARG_WITH([tty],
 544         AS_HELP_STRING([--with-tty],
 545                 [Add support for ttys.]),
 546         [auto], [Autodetect])
 547
 548 OG_ARG_WITH([ncurses],
 549         AS_HELP_STRING([--with-ncurses],
 550                 [Use the ncurses library for tty support.]),
 551         [auto], [Autodetect])
 552
 553 OG_ARG_WITH([curses],
 554         AS_HELP_STRING([--with-curses],
 555                 [Use the curses library for tty support.]),
 556         [auto], [Autodetect])
 557
 558 OG_ARG_WITH([terminfo],
 559         AS_HELP_STRING([--with-terminfo],
 560                 [Use the terminfo library for tty support.]),
 561         [auto], [Autodetect])
 562
 563 OG_ARG_WITH([tinfo],
 564         AS_HELP_STRING([--with-tinfo],
 565                 [Use the ncurses tinfo library for tty support.]),
 566         [auto], [Autodetect])
 567
 568 OG_ARG_WITH([termlib],
 569         AS_HELP_STRING([--with-termlib],
 570                 [Use the termlib library for tty support.]),
 571         [auto], [Autodetect])
 572
 573 OG_ARG_WITH([termcap],
 574         AS_HELP_STRING([--with-termcap],
 575                 [Use the termcap library for tty support.]),
 576         [auto], [Autodetect])
 577
 578
 579 OG_ARG_WITH([gpm],
 580         AS_HELP_STRING([--with-gpm],
 581                 [Compile in GPM mouse support for ttys.]),
 582         [auto], [Autodetect])
 583
 584
 585 dnl Database Options
 586 dnl ================
 587 OG_OPTION_GROUP(Database options)
 588
 589 OG_MULTIARG_WITH([database], [dnl
 590         AS_HELP_STRING([--with-database=TYPE],
 591                 [Compile with database support.])],
 592         [auto], [Autodetect], [dnl
 593         OG_MULTIARG_ITEM([berkdb], [berkdb], [Berkeley DB support])
 594         OG_MULTIARG_ITEM([dbm], [dbm], [DBM database support])
 595         OG_MULTIARG_ITEM([gdbm], [gdbm], [GNU DBM support])
 596 ])
 597
 598 OG_ARG_WITH([ldap],
 599         AS_HELP_STRING([--with-ldap],
 600                 [Compile with support for the LDAP protocol.]),
 601         [no], [NO])
 602
 603 OG_ARG_WITH([postgresql],
 604         AS_HELP_STRING([--with-postgresql],
 605                 [Compile with support for the PostgreSQL RDBMS.]),
 606         [yes], [Autodetect])
 607
 608
 609 dnl Multimedia Options
 610 dnl ==================
 611 OG_OPTION_GROUP(Multimedia options)
 612
 613 OG_MULTIARG_WITH([image], [dnl
 614         AS_HELP_STRING([--with-image=TYPE],
 615                 [Compile with image support.])],
 616         [auto], [Autodetect all image support], [dnl
 617         OG_MULTIARG_ITEM([gif], [GIF], [GIF image format])
 618         OG_MULTIARG_ITEM([xpm], [XPM], [X PixMap image format])
 619         OG_MULTIARG_ITEM([png], [PNG], [Portable Network Graphic format])
 620         OG_MULTIARG_ITEM([jpeg], [JPEG], [jpeg image format])
 621         OG_MULTIARG_ITEM([tiff], [TIFF], [TIFF image format])
 622         OG_MULTIARG_ITEM([xface], [xface], [base64 encoded xbm])
 623 ])
 624
 625 OG_MULTIARG_WITH([sound], [dnl
 626         AS_HELP_STRING([--with-sound=TYPE],
 627                 [Compile with sound support.])],
 628         [auto], [Autodetect all sound support], [dnl
 629         OG_MULTIARG_ITEM([alsa], [ALSA], [kernel-based linux sound standard])
 630         OG_MULTIARG_ITEM([ao], [ao], [generic audio output layer])
 631         OG_MULTIARG_ITEM([esd], [ESD], [Enlightenment Sound Daemon])
 632         OG_MULTIARG_ITEM([jack], [Jack], [a low-latency audio server])
 633         OG_MULTIARG_ITEM([nas], [NAS], [Network Audio System])
 634         OG_MULTIARG_ITEM([oss], [OSS], [Open Sound System])
 635         OG_MULTIARG_ITEM([pulse], [PulseAudio], [PulseAudio Sound Server])
 636 ])
 637
 638 OG_MULTIARG_WITH([media], [dnl
 639         AS_HELP_STRING([--with-media=TYPE],
 640                 [Compile with media stream support.])],
 641         [auto], [Autodetect all media stream support libraries], [dnl
 642         OG_MULTIARG_ITEM([ffmpeg], [FFmpeg], [media streams handled by ffmpeg])
 643         OG_MULTIARG_ITEM([internal], [internal], [media streams handled internally])
 644         OG_MULTIARG_ITEM([mad], [Mad], [media streams handled by mad])
 645         OG_MULTIARG_ITEM([sndfile], [sndfile], [media streams handled by sndfile])
 646         OG_MULTIARG_ITEM([sox], [SoX], [media streams handled by sox])
 647         OG_MULTIARG_ITEM([magic], [magic], [file/libmagic support])
 648 ])
 649
 650
 651 dnl Cryptography Options
 652 dnl ====================
 653 OG_OPTION_GROUP(Cryptography options)
 654
 655 OG_ARG_WITH([openssl],
 656         AS_HELP_STRING([--with-openssl],
 657                 [Compile in experimental support for
 658                 OpenSSL libcrypto and libssl.]),
 659         [yes], [YES])
 660
 661 OG_ARG_WITH([gnutls],
 662         AS_HELP_STRING([--with-gnutls],
 663                 [Compile in experimental support for
 664                 GnuTLS transport security.]),
 665         [no], [NO])
 666
 667
 668 dnl Networking Options
 669 dnl ==================
 670 OG_OPTION_GROUP(Networking options)
 671
 672 OG_ARG_WITH([dnet],
 673         AS_HELP_STRING([--with-dnet],
 674                 [Compile with support for DECnet.]),
 675         [no], [NO])
 676
 677 OG_ARG_WITH([socks],
 678         AS_HELP_STRING([--with-socks],
 679                 [Compile with support for SOCKS (an Internet proxy).]),
 680         [auto], [Autodetect])
 681
 682 OG_ARG_WITH([ipv6-cname],
 683         AS_HELP_STRING([--with-ipv6-cname],
 684                 [Try IPv6 information first when canonicalizing host names.
 685                 This option has no effect unless system supports
 686                 getaddrinfo(3) and getnameinfo(3).]),
 687         [no], [NO])
 688
 689 OG_ARG_WITH([pop],
 690         AS_HELP_STRING([--with-pop],
 691                 [Support POP for mail retrieval.]),
 692         [no], [NO])
 693
 694 OG_ARG_WITH([kerberos],
 695         AS_HELP_STRING([--with-kerberos],
 696                 [Support Kerberos-authenticated POP.]),
 697         [no], [NO])
 698
 699 OG_ARG_WITH([hesiod],
 700         AS_HELP_STRING([--with-hesiod],
 701                 [Support Hesiod to get the POP server host.]),
 702         [no], [NO])
 703
 704
 705 dnl File-related Options
 706 dnl ====================
 707 OG_OPTION_GROUP(File-related options)
 708
 709 OG_ARG_WITH([clash-detection],
 710         AS_HELP_STRING([--with-clash-detection],
 711                 [Use lock files to detect multiple edits
 712                 of the same file.]),
 713         [no], [NO])
 714
 715 OG_ARG_WITH([mail-locking],
 716         AS_HELP_STRING([--with-mail-locking=TYPE],
 717                 [Specify the locking to be used by movemail to prevent
 718                 concurrent updates of mail spool files. Valid types
 719                 are `lockf'  `flock'  `file'  `locking'  `pop' or `mmdf'.]),
 720         [auto], [Autodetect], [lockf flock file locking mmdf pop no])
 721
 722
 723 dnl Internationalisation Options
 724 dnl ============================
 725 OG_OPTION_GROUP(Internationalisation options)
 726
 727 OG_ARG_WITH([mule],
 728         AS_HELP_STRING([--with-mule],
 729                 [Compile with Mule (MUlti-Lingual Emacs) support
 730                 needed to support non-Latin-1 (including Asian)
 731                 languages.]),
 732         [yes], [YES])
 733
 734 OG_ARG_WITH([canna],
 735         AS_HELP_STRING([--with-canna],
 736                 [Compile with support for Canna (a Japanese input method
 737                 used in conjunction with Mule support).]),
 738         [auto], [Autodetect when Mule is enabled])
 739
 740 OG_ARG_WITH([wnn],
 741         AS_HELP_STRING([--with-wnn],
 742                 [Compile with support for Wnn (a multi-language input
 743                 method used in conjunction with Mule support).]),
 744         [auto], [Autodetect when Mule is enabled])
 745
 746 OG_ARG_WITH([wnn6],
 747         AS_HELP_STRING([--with-wnn6],
 748                 [Compile with support for the commercial package Wnn6.]),
 749         [auto], [Autodetect when Mule is enabled])
 750
 751
 752
 753 dnl dnl Other Options
 754 dnl dnl =============
 755 dnl OG_OPTION_GROUP(Other options)
 756 dnl
 757
 758 ## -------------------------------------------------------------------------
 759 ## Check for users who regularly forget about running autoconf
 760 ## -------------------------------------------------------------------------
 761 AS_IF([test -f "$0.ac" -a "$0.ac" -nt "$0"],
 762    AC_MSG_ERROR([What are you doing? RUN autoreconf NOW!!!]))
 763
 764 #
 765 # Turn off core generation. We are already verifying the program fails, no need
 766 # poluting the workspace. Of course if you are a SXEmacs developer you may want
 767 # to comemnt this on occasion :-)
 768 ulimit -c 0
 769
 770 ## initialise our nestable msg funs
 771 SXE_INIT_MSG_LEVEL
 772
 773 dnl Small snippet to make echo -n work on solaris
 774 ECHO_N= ECHO_C=
 775 case `echo -n x` in
 776 -n*)
 777         case `echo 'x\c'` in
 778         *c*)
 779                 ;;
 780         *)
 781                 ECHO_C='\c'
 782                 ;;
 783         esac
 784         ;;
 785 *)
 786         ECHO_N='-n'
 787         ;;
 788 esac
 789
 790
 791 echo
 792 echo "Preparing the build chain"
 793 echo "========================="
 794
 795 ## We should brag about ourselves, no?
 796 AC_DEFINE([XEMACS], [1], [Pretend to be an XEmacs])
 797 AC_DEFINE([SXEMACS], [1], [Why not? It's the truth!])
 798
 799 dnl -------------------------------------------------------------------------
 800 dnl Command line argument processing.
 801 dnl -------------------------------------------------------------------------
 802 dnl Check for bogus options
 803 dnl -------------------------------------------------------------------------
 804 SXE_CHECK_COMMAND_LINE
 805
 806 AM_INIT_AUTOMAKE([foreign -Wall])
 807 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
 808 SXE_CHECK_BUILDCHAIN
 809 AC_SUBST(EGREP)
 810
 811 progname=$0
 812 progbasename=$(basename $progname)
 813 progdirname=$(dirname $progname)
 814
 815 ## Build Options
 816 ## =============
 817
 818 echo
 819 echo "Build and System Specific Options"
 820 echo "================================="
 821
 822 SXE_EXPLORE_BUILD_ENVIRONMENT
 823
 824 dnl ----------------------------------------
 825 dnl Find out which version of SXEmacs this is
 826 dnl ----------------------------------------
 827 AC_CHECK_PROG([have_git], [git], [yes], [no])
 828 AC_MSG_CHECKING([for SXEmacs version])
 829 AC_MSG_RESULT([SXEmacs SXEM4CS_VERSION])
 830 dnl Must do the following first to determine verbosity for AC_DEFINE
 831 AS_IF([test -n "[]SXEM4CS_BETA_P[]"],beta=yes,beta=no)
 832 : "${extra_verbose=$beta}"
 833
 834 AC_MSG_CHECKING([for SXEmacs patchlevel])
 835 CURDIR=$(pwd)
 836 cd "$sxe_srcdir"
 837 AS_IF([test "$have_git" = "yes"],
 838             [sxemacs_git_version=`git describe 2> /dev/null | head -1`])
 839 AS_IF([test -z "$sxemacs_git_version"],
 840         sxemacs_git_version="[]SXEM4CS_GIT_VERSION[]")
 841 AC_MSG_RESULT([$sxemacs_git_version])
 842 version="$sxemacs_git_version"
 843 cd "$CURDIR"
 844 main_version="$sxemacs_git_version"
 845 AC_DEFINE_UNQUOTED([EMACS_MAJOR_VERSION], [SXEM4CS_MAJOR_VERSION], [Description here!])
 846 AC_DEFINE_UNQUOTED([EMACS_MINOR_VERSION], [SXEM4CS_MINOR_VERSION], [Description here!])
 847 old_version=[]SXEM4CS_VERSION[]
 848 if test -n "[]SXEM4CS_BETA_VERSION[]"; then
 849         AC_MSG_CHECKING([if we are a beta version])
 850         if test "$beta" = "yes"; then
 851                 AC_MSG_RESULT([yes])
 852                 AC_DEFINE_UNQUOTED([EMACS_BETA_VERSION], [SXEM4CS_BETA_VERSION],
 853                         [Description here!])
 854         else
 855                 AC_MSG_RESULT([no])
 856                 AC_DEFINE_UNQUOTED([EMACS_PATCH_LEVEL], [SXEM4CS_BETA_VERSION],
 857                         [Description here!])
 858         fi
 859 fi
 860 AC_DEFINE_UNQUOTED([SXEMACS_CODENAME], ["[]SXEM4CS_CODENAME[]"], [Description here!])
 861 AC_DEFINE_UNQUOTED([EMACS_VERSION], ["$version"], [Description here!])
 862 AC_DEFINE_UNQUOTED([SXEMACS_GIT_VERSION], ["$sxemacs_git_version"],
 863         [Description here!])
 864
 865 PROGNAME=sxemacs
 866
 867 AC_DEFINE_UNQUOTED([EMACS_PROGNAME], ["$PROGNAME"], [Description here!])
 868
 869 ## build stuff in lib-src unconditionally
 870 SXE_APPEND([lib-src], [MAKE_SUBDIR])
 871 SXE_APPEND([lib-src], [INSTALL_ARCH_DEP_SUBDIR])
 872
 873 ## C compiler build chain
 874 AC_USE_SYSTEM_EXTENSIONS
 875 AC_LANG([C])
 876 AS_MESSAGE([Let's look for the entire C build chain])
 877 SXE_CHECK_CC
 878 SXE_CHECK_CFLAGS
 879
 880 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 881
 882 ## check machine chars
 883 AS_MESSAGE([Let's have a detailed glance at your machine])
 884 SXE_PROC_CPUID
 885 SXE_PROC_VENDORID
 886 SXE_NPROCESSORS
 887 SXE_CHECK_PROC_GOODNESS
 888
 889
 890 ## Debugging Options
 891 ## =================
 892 ## echo
 893 ## echo "Debugging Options"
 894 ## echo "================="
 895
 896 dnl ----------------------------------
 897 dnl Error checking and debugging flags
 898 dnl ----------------------------------
 899 dnl Error checking default to "yes" in beta versions, to "no" in releases.
 900 dnl Same goes for --enable-debug and --extra-verbosity.
 901 if test "$with_error_checking_extents" = yes; then
 902         have_error_checking_extents="yes"
 903         AC_DEFINE([ERROR_CHECK_EXTENTS], [1], [Description here!])
 904         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 905 fi
 906 if test "$with_error_checking_types" = yes; then
 907         have_error_checking_types="yes"
 908         AC_DEFINE([ERROR_CHECK_TYPECHECK], [1], [Description here!])
 909         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)],
 910                 [assert (assertion)], [
 911                 Make sure that all X... macros are dereferencing the correct type,
 912                 and that all XSET... macros (as much as possible) are setting the
 913                 correct type of structure.  Highly recommended for all
 914                 development work.])
 915         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 916 else
 917         AC_DEFINE_UNQUOTED([type_checking_assert(assertion)], [], [])
 918 fi
 919 if test "$with_error_checking_bufpos" = yes; then
 920         have_error_checking_bufpos="yes"
 921         AC_DEFINE([ERROR_CHECK_BUFPOS], [1], [Description here!])
 922         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)],
 923                 [assert (assertion)], [dnl
 924                 Make sure valid buffer positions are passed to BUF_* macros])
 925         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 926 else
 927         AC_DEFINE_UNQUOTED([bufpos_checking_assert(assertion)], [], [])
 928 fi
 929 if test "$with_error_checking_gc" = yes; then
 930         have_error_checking_gc="yes"
 931         AC_DEFINE([ERROR_CHECK_GC], [1], [Description here!])
 932         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)],
 933                 [assert (assertion)], [dnl
 934                 Attempt to catch bugs related to garbage collection
 935                 (e.g. not GCPRO'ing)])
 936         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 937 else
 938         AC_DEFINE_UNQUOTED([gc_checking_assert(assertion)], [], [])
 939 fi
 940 if test "$with_error_checking_malloc" = yes; then
 941         have_error_checking_malloc="yes"
 942         AC_DEFINE([ERROR_CHECK_MALLOC], [1], [Description here!])
 943         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 944 fi
 945 if test "$with_error_checking_byte_code"  = yes; then
 946         have_error_checking_byte_code="yes"
 947         AC_DEFINE([ERROR_CHECK_BYTE_CODE], [1], [Description here!])
 948         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 949 fi
 950 if test "$with_error_checking_glyphs" = yes; then
 951         have_error_checking_glyphs="yes"
 952         AC_DEFINE([ERROR_CHECK_GLYPHS], [1], [Description here!])
 953         AC_DEFINE([USE_ASSERTIONS], [1], [Description here!])
 954 fi
 955
 956 dnl enable_debug=yes must be set when error checking is present.  This should be
 957 dnl fixed up.
 958 dnl with_debug implies other options
 959 if test "${with_debug:=$beta}" = "yes"; then
 960         with_memory_usage_stats=yes
 961         SXE_ADD_CRUFT_OBJS([debug.o])
 962         SXE_ADD_CRUFT_OBJS([tests.o])
 963         AC_DEFINE([DEBUG_SXEMACS], [1], [Description here!])
 964 fi
 965 if test "$with_memory_usage_stats" = "yes"; then
 966         AC_DEFINE([MEMORY_USAGE_STATS], [1], [Description here!])
 967 fi
 968
 969
 970
 971 dnl --------------------------------------------------------------
 972 dnl $opsys detection complete; defaults depending on $opsys follow
 973 dnl --------------------------------------------------------------
 974
 975
 976 dnl --------------------------------------------------------------
 977 dnl WooHoo! pdump is ON always and everywhere! --SY.
 978 dnl --------------------------------------------------------------
 979 with_pdump=yes
 980
 981 if test "$with_dynamic" != "no"; then
 982         case "$opsys" in
 983         hpux* | sunos4* )
 984                 with_dynamic=no
 985                 ;;
 986         *)
 987                 with_dynamic=yes
 988                 ;;
 989         esac
 990 fi
 991 if test "$with_dynamic" = "yes"; then
 992         case "$opsys" in
 993         hpux* | sunos4* | sco5 )
 994                 opsys="${opsys}-shr"
 995                 ;;
 996         decosf* )
 997                 ld_call_shared="-call_shared"
 998                 ;;
 999         darwin* )
1000                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1001                 if test "x$have_ld_no_pie" != "x"; then
1002                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1003                 fi
1004                 ;;
1005         esac
1006 else dnl "$with_dynamic" = "no"
1007         case "$opsys" in
1008         sol2 )
1009                 echo "Static linking is not supported on Solaris 2."
1010                 echo "Rerun configure without specifying --without-dynamic."
1011                 exit 1
1012                 ;;
1013         linux )
1014                 ld_call_shared="-Bstatic"
1015                 ;;
1016         decosf* )
1017                 ld_call_shared="-non_shared"
1018                 ;;
1019         darwin* )
1020                 AC_DEFINE([DLSYM_NEEDS_UNDERSCORE], [1], [Description here!])
1021                 if test "x$have_ld_no_pie" != "x"; then
1022                         SXE_PREPEND_LINKER_FLAG([-no_pie], [ld_switch_site])
1023                 fi
1024                 ;;
1025         esac
1026 fi
1027
1028 dnl Tools configuration
1029 case "$opsys" in
1030 aix* )
1031         NON_GNU_CC=xlc
1032         ;;      dnl Use xlc by default on AIX
1033 darwin )
1034         RANLIB="ranlib -c"
1035         ;;  dnl Avoid link error in lwlib-config.c
1036         ## this needs rework I think because RANLIB is provided by LT_INIT anyway
1037 esac
1038
1039 stack_trace_eye_catcher=\
1040 `echo ${PROGNAME}_${version}_${ac_cv_build} | sed 'y!@/.-!____!'`
1041 AC_DEFINE_UNQUOTED([STACK_TRACE_EYE_CATCHER], [$stack_trace_eye_catcher],
1042         [Just a very looong string to make traces more readable.])
1043
1044 dnl --------------------------------------------------
1045 dnl Determine the compiler, set up for feature testing
1046 dnl --------------------------------------------------
1047
1048 if test "$with_clash_detection" != "no"; then
1049         AC_DEFINE([CLASH_DETECTION], [1], [Description here!])
1050         SXE_ADD_CRUFT_OBJS([filelock.o])
1051 fi
1052
1053
1054 dnl what exactly do we determine here? and where is it used?
1055 dnl dnl Determine GCC version.
1056 dnl if test "$GCC" = "yes"; then
1057 dnl     AC_RUN_IFELSE([AC_LANG_SOURCE([[
1058 dnl int main ()
1059 dnl {
1060 dnl #if __GNUC__ >= 3
1061 dnl     return 11;
1062 dnl #else
1063 dnl     return 0;
1064 dnl #endif
1065 dnl }]])], [:], [dnl
1066 dnl case "$?" in
1067 dnl 11)
1068 dnl     echo "You appear to be using GCC version 3 or above."
1069 dnl     __GCC3=yes
1070 dnl     ;;
1071 dnl esac], [__GCC3=no])
1072 dnl fi
1073
1074 dnl We don't do AC_PROG_CC for SXEMACS_CC; if we can't trust these people....
1075 : ${SXEMACS_CC:="$CC"}
1076
1077 dnl Figure out what C preprocessor to use.
1078
1079 dnl On Sun systems, people sometimes set up the variable CPP
1080 dnl with a value that is a directory, not an executable at all.
1081 dnl Detect that case, and ignore that value.
1082 test -n "$CPP" -a -d "$CPP" && CPP=
1083
1084 test -n "$NON_GNU_CPP" -a "$GCC" != "yes" -a -z "$CPP" && CPP="$NON_GNU_CPP"
1085
1086 dnl --------------------------------------------------------------------
1087 dnl Compiler feature macros
1088 dnl --------------------------------------------------------------------
1089
1090
1091 dnl --------------------------------------------------------------------
1092 dnl Extract some information from the operating system and machine files
1093 dnl --------------------------------------------------------------------
1094
1095 echo "Extracting information from the machine- and system-dependent headers..."
1096
1097 SXE_CHECK_MACHARCH
1098 SXE_EXTRACT_MACHARCH_INFO
1099
1100 dnl s&m files shouldn't be required to define anything, or even to exist.
1101 dnl So we default SYSTEM_TYPE to the obvious documented standard, `uname -s`,
1102 dnl appropriately emacsulated.
1103 if test -z "$system_type"; then
1104         AC_DEFINE_UNQUOTED([SYSTEM_TYPE],
1105                 ["`uname -s | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"],
1106                 [Description here!])
1107 fi
1108
1109 dnl If the s&m files don't define a system-specific dumper, simply use pdump.
1110 dnl Sometime in the future, we'll remove all definitions of UNEXEC
1111 dnl from all the s&m files.
1112 test -z "$unexec" && with_pdump=yes
1113
1114 if test "$with_pdump" = "yes"; then
1115         ordinary_link="yes"
1116         ld="${ordinary_ld}"
1117         start_files=
1118         libs_standard=
1119         unexec=
1120         lib_gcc=
1121 fi
1122
1123 dnl dnl For debugging...
1124 dnl SXE_PRINT_VAR([libs_machine libs_system libs_termcap libs_standard
1125 dnl     objects_machine objects_system c_switch_machine c_switch_system
1126 dnl     ld_switch_machine ld_switch_system unexec ld_switch_shared
1127 dnl     ld lib_gcc ld_text_start_addr start_files ordinary_link
1128 dnl     have_terminfo mail_use_flock mail_use_lockf]) && echo ""
1129
1130 dnl bitch at build attempt on win32 machines
1131 case "$opsys" in mingw* | cygwin*)
1132         SXE_DIE("Invalid operation system. Cannot build on win32 machines.")
1133 esac
1134
1135 dnl Non-ordinary link usually requires -lc
1136 test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
1137
1138 ## perform compiler specific things
1139 SXE_DO_CC_HACKS
1140 ## machine specific extensions
1141 SXE_CHECK_SIMD_EXTENSIONS
1142
1143 ## some linker flags that might come in handy
1144 SXE_CHECK_LDFLAGS
1145
1146 ## suffices to be defined late, for instance here
1147 SXE_CHECK_PARSER_LEXER
1148
1149 if test "$with_pdump" != "yes"; then
1150         ## GNU ld now defaults to combreloc, which screws up unexec,
1151         ## but not pdump.
1152         ## Note that it's OK if the GNU style long option causes
1153         ## non-GNU ld to barf a usage message, that's often good
1154         ## enough.  Please report it, though.
1155         ## #### Should make this Solaris-friendly.
1156         ## Link with -z nocombreloc for now.
1157         SXE_CHECK_LD_ZFLAG([nocombreloc])
1158         if test "$sxe_cv_ld__z_nocombreloc" = "yes"; then
1159                 SXE_PREPEND_LINKER_FLAG([-z nocombreloc], [ld_switch_site])
1160         fi
1161 fi
1162
1163 dnl Inform compiler that certain flags are meant for the linker
1164 SXE_PROTECT_LINKER_FLAGS(ld_switch_system)
1165 SXE_PROTECT_LINKER_FLAGS(ld_switch_machine)
1166 SXE_PROTECT_LINKER_FLAGS(ld_switch_site)
1167 SXE_PROTECT_LINKER_FLAGS(LDFLAGS)
1168 SXE_PROTECT_LINKER_FLAGS(ld_call_shared)
1169
1170 dnl Add s&m-determined objects to link line
1171 test -n "$objects_machine" && SXE_ADD_CORE_OBJS($objects_machine)
1172 test -n "$objects_system"  && SXE_ADD_CORE_OBJS($objects_system)
1173 test "$with_pdump" = "yes" && SXE_ADD_CORE_OBJS(dumper.o)
1174
1175
1176 dnl Feed s&m crud to src/Makefile
1177
1178 dnl Linux/powerpc needs the following magic for some reason
1179 dnl [Not needed with YellowDog 2.3 and causes link problems with YellowDog 3.0,
1180 dnl the two most popular PowerPC distributions.]
1181 dnl test "$machine$opsys" = "powerpclinux" && start_flags="-T $sxe_srcdir/src/ppc.ldscript"
1182
1183 AC_LANG(C)
1184 if test "$unexec" = "unexaix.o"; then
1185 dnl AIX needs various hacks to make static linking work.
1186   if   test "$with_dynamic" = "no"; then
1187   start_flags="-Wl,-bnso,-bnodelcsect"
1188   test "$GCC" = "yes" && start_flags="-B/bin/ ${start_flags}"
1189   for f in "/lib/syscalls.exp" "/lib/threads.exp"; do
1190     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; fi
1191   done
1192   for f in "/usr/lpp/X11/bin/smt.exp" "/usr/bin/X11/smt.exp"; do
1193     if test -r "$f"; then start_flags="${start_flags},-bI:${f}"; break; fi
1194   done
1195   AC_CHECK_LIB([c], [terminateAndUnload], [SXE_APPEND(-lC, libs_system)])
1196   fi
1197 elif test -n "$ld_text_start_addr"; then
1198   start_flags="-T $ld_text_start_addr -e __start"
1199 fi
1200 AC_SUBST(start_flags)
1201
1202 AC_SUBST(ld_switch_shared)
1203 AC_SUBST(start_files)
1204 if test "$ordinary_link" = "no" -a "$GCC" = "yes"; then
1205         if test -z "$linker"; then
1206                 linker='$(CC) -nostdlib'
1207                 SXE_APPEND([-nostdlib], [start_flags])
1208         fi
1209         test -z "$lib_gcc" && lib_gcc='`$(CC) -print-libgcc-file-name`'
1210 fi
1211 test "$GCC" != "yes" && lib_gcc=
1212 AC_SUBST(ld)
1213 AC_SUBST(lib_gcc)
1214
1215
1216
1217 ## ---------------------------------------------------------------
1218 ## Add site and system specific flags to compile and link commands
1219 ## ---------------------------------------------------------------
1220
1221 ## compute those site prefixes
1222 SXE_COMPUTE_SITE_PREFIXES
1223 ## compute a LD_RUN_PATH
1224 SXE_COMPUTE_LD_RUN_PATH
1225
1226
1227 ## some header checks
1228 SXE_CHECK_BASIC_HEADERS
1229 ## the very basic c types
1230 SXE_CHECK_BASIC_TYPES
1231
1232 ## for signalling
1233 SXE_CHECK_SIGNALS
1234
1235 AC_CHECK_MEMBERS([struct stat.st_rdev])
1236 AC_CHECK_TYPES([ptrdiff_t])
1237
1238 ## check whether intptr_t is definied in sys/types.h
1239 SXE_CHECK_INTPTR_T
1240
1241 dnl -lm is required for floating point support, among other things
1242 AC_CHECK_FUNC([sin], [], [AC_CHECK_LIB([m], [sin])])
1243
1244
1245 dnl check for Make feature
1246 AC_PROG_MAKE_SET
1247
1248
1249 dnl check for long file names
1250 AC_SYS_LONG_FILE_NAMES
1251 AC_SYS_LARGEFILE
1252 AC_SYS_INTERPRETER
1253 AC_SYS_POSIX_TERMIOS
1254
1255 AC_FUNC_MALLOC
1256 AC_FUNC_MKTIME
1257
1258 dnl See if mkstemp is available
1259 AC_CHECK_FUNCS([mkstemp])
1260
1261 SXE_CHECK_FILE_LOCK
1262
1263 case "$opsys" in decosf*)
1264         AC_CHECK_LIB([pthreads], [cma_open])
1265         AS_IF([test "$ac_cv_lib_pthreads_cma_open" = "yes"],
1266                 c_switch_site="$c_switch_site -threads")
1267         ;;
1268 esac
1269
1270
1271 dnl ----------------------------------------------------------------
1272 dnl Miscellaneous flags
1273 dnl ----------------------------------------------------------------
1274
1275 AC_MSG_CHECKING(whether the -xildoff compiler flag is required)
1276 if   ${CC-cc} '-###' -xildon  no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ; then
1277   if ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
1278     then AC_MSG_RESULT(no);
1279     else AC_MSG_RESULT(yes); SXE_APPEND_UNDUP(-xildoff, ld_switch_site)
1280   fi
1281   else AC_MSG_RESULT(no)
1282 fi
1283
1284 dnl Link with "-z ignore" on Solaris if supported
1285 if test "$opsys" = "sol2"; then
1286   if test "$os_release" -ge 506; then
1287     AC_MSG_CHECKING(for "-z ignore" linker flag)
1288     case "`ld -h 2>&1`" in
1289       *-z\ ignore\|record* ) AC_MSG_RESULT(yes)
1290         SXE_PREPEND_UNDUP(-z ignore, ld_switch_site) ;;
1291       *) AC_MSG_RESULT(no) ;;
1292     esac
1293   fi
1294 fi
1295
1296 dnl ----------------------------------------------------------------
1297 dnl Check for Unixoid pty/process support.
1298 dnl ----------------------------------------------------------------
1299
1300 dnl There is no "standard" pty allocation method.  Every system is different.
1301 dnl  getpt()  is the preferred pty allocation method on glibc systems.
1302 dnl _getpty() is the preferred pty allocation method on SGI systems.
1303 dnl grantpt(), unlockpt(), ptsname() are defined by Unix98.
1304 AC_CHECK_FUNCS([getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp])
1305
1306 dnl openpty() is the preferred pty allocation method on BSD and Tru64 systems.
1307 dnl openpty() might be declared in:
1308 dnl - pty.h (Tru64 or Linux)
1309 dnl - libutil.h (FreeBSD)
1310 dnl - util.h (NetBSD)
1311 AC_CHECK_FUNC(openpty, have_openpty=yes, [
1312   AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
1313 if test "$have_openpty" = "yes"; then
1314   AC_DEFINE([HAVE_OPENPTY], [1], [Description here!])
1315   AC_CHECK_HEADERS(libutil.h util.h, break)
1316   test "$need_libutil" = "yes" && SXE_APPEND(-lutil, libs_system)
1317 fi
1318
1319 dnl Check for system-specific pty header files
1320 dnl Often the TIOCSIG* symbols are hiding there.
1321 case "$opsys" in
1322   dnl HPUX pty.h #defines TRUE and FALSE, so just use ptyio.h there.
1323   hpux*) AC_CHECK_HEADERS(sys/ptyio.h) ;;
1324   *) AC_CHECK_HEADERS(pty.h)
1325      test "$ac_cv_header_pty_h" = "no" && AC_CHECK_HEADERS(sys/pty.h)
1326      ;;
1327 esac
1328
1329 dnl Check for STREAM support functions.
1330 dnl Confusingly, "str" means both "string" and "SysV Streams".
1331 AC_CHECK_HEADERS(stropts.h)
1332 if test "$ac_cv_header_stropts_h" = "yes"; then
1333   AC_CHECK_FUNCS(isastream)
1334   AC_CHECK_HEADERS(strtio.h) dnl TIOCSIGNAL
1335 fi
1336
1337 dnl Check whether the system provides getloadavg().
1338 AC_CHECK_FUNCS(getloadavg)
1339
1340 if test "$ac_cv_func_getloadavg" = "yes"; then
1341   dnl Solaris 8 declares getloadavg() in <sys/loadavg.h>.
1342   dnl glibc 2.2 declares getloadavg() in <stdlib.h>...
1343   dnl   ...if we #define _GNU_SOURCE, which we do.
1344   AC_CHECK_HEADERS(sys/loadavg.h)
1345 else
1346   dnl We define our own getloadavg() using lower level functions.
1347   SXE_ADD_CRUFT_OBJS([getloadavg.o])
1348
1349   dnl Used by getloadavg() - does not require root priveleges
1350   AC_CHECK_LIB(kstat, kstat_open)
1351   AC_CHECK_HEADERS(kstat.h)
1352
1353   dnl Another way to get the load average
1354   AC_CHECK_LIB(kvm, kvm_read)
1355 fi
1356
1357 dnl If netdb.h does not declare h_errno, we must declare it by hand.
1358 AC_MSG_CHECKING(whether netdb declares h_errno)
1359 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
1360   [[return h_errno;]])],
1361   [AC_MSG_RESULT(yes)
1362    AC_DEFINE([HAVE_H_ERRNO], [1], [Description here!])],
1363   [AC_MSG_RESULT(no)])
1364
1365 AC_MSG_CHECKING([for sigsetjmp])
1366 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1367 #include <setjmp.h>
1368         ]], [[
1369 sigjmp_buf bar;
1370 sigsetjmp (bar, 0);
1371         ]])],
1372         [sxe_cv_c_func_sigsetjmp="yes"],
1373         [sxe_cv_c_func_sigsetjmp="no"])
1374 AC_MSG_RESULT([$sxe_cv_c_func_sigsetjmp])
1375 if test "$sxe_cv_c_func_sigsetjmp" = "yes"; then
1376         AC_DEFINE([HAVE_SIGSETJMP], [1], [Description here!])
1377         AC_DEFINE_UNQUOTED([SETJMP(x)], [sigsetjmp (x, 0)], [dnl
1378                 We want to avoid saving the signal mask if possible, because
1379                 that necessitates a system call.])
1380         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [siglongjmp(x, y)], [dnl
1381                 Description here!])
1382         AC_DEFINE_UNQUOTED([JMP_BUF], [sigjmp_buf], [dnl
1383                 Description here!])
1384 else
1385         AC_DEFINE_UNQUOTED([SETJMP(x)], [setjmp(x)], [dnl
1386                 We want to avoid saving the signal mask if possible, because
1387                 that necessitates a system call.])
1388         AC_DEFINE_UNQUOTED([LONGJMP(x, y)], [longjmp(x, y)], [Description here!])
1389         AC_DEFINE_UNQUOTED([JMP_BUF], [jmp_buf], [Description here!])
1390 fi
1391
1392
1393 AC_MSG_CHECKING(whether localtime caches TZ)
1394 AC_CACHE_VAL(emacs_cv_localtime_cache,
1395 [if test "$ac_cv_func_tzset" = "yes"; then
1396 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
1397 #if STDC_HEADERS
1398 # include <stdlib.h>
1399 #endif
1400 extern char **environ;
1401 unset_TZ ()
1402 {
1403   char **from, **to;
1404   for (to = from = environ; (*to = *from); from++)
1405     if (! (to[[0]][[0]] == 'T' && to[[0]][[1]] == 'Z' && to[[0]][[2]] == '='))
1406       to++;
1407 }
1408 char TZ_GMT0[[]] = "TZ=GMT0";
1409 char TZ_PST8[[]] = "TZ=PST8";
1410 main()
1411 {
1412   time_t now = time ((time_t *) 0);
1413   int hour_GMT0, hour_unset;
1414   if (putenv (TZ_GMT0) != 0)
1415     exit (1);
1416   hour_GMT0 = localtime (&now)->tm_hour;
1417   unset_TZ ();
1418   hour_unset = localtime (&now)->tm_hour;
1419   if (putenv (TZ_PST8) != 0)
1420     exit (1);
1421   if (localtime (&now)->tm_hour == hour_GMT0)
1422     exit (1);
1423   unset_TZ ();
1424   if (localtime (&now)->tm_hour != hour_unset)
1425     exit (1);
1426   exit (0);
1427 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1428 [# If we have tzset, assume the worst when cross-compiling.
1429 emacs_cv_localtime_cache=yes])
1430 else
1431         # If we lack tzset, report that localtime does not cache TZ,
1432         # since we can't invalidate the cache if we don't have tzset.
1433         emacs_cv_localtime_cache=no
1434 fi],[:])dnl
1435 AC_MSG_RESULT($emacs_cv_localtime_cache)
1436 if test $emacs_cv_localtime_cache = yes; then
1437   AC_DEFINE([LOCALTIME_CACHE], [1], [Description here!])
1438 fi
1439
1440
1441 need_alloca_c=no
1442 dnl HP-UX has a working alloca in libPW.
1443 dnl case "${GCC}${opsys}" in hpux* )
1444 dnl  AC_CHECK_FUNC(alloca, [:], [AC_CHECK_LIB(PW, alloca)])
1445 dnl esac
1446
1447 dnl AC_FUNC_ALLOCA doesn't know about DEC C's #pragma intrinsic(alloca)
1448 if test "$__DECC" != "yes"; then
1449         AC_FUNC_ALLOCA
1450         if test -n "$ALLOCA"; then
1451                 SXE_ADD_CRUFT_OBJS([$ALLOCA])
1452                 need_alloca_c=yes
1453         fi
1454 fi
1455
1456 AC_MSG_CHECKING(for working alloca in function calls)
1457 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1458 #if defined (__GNUC__)
1459 #define alloca __builtin_alloca
1460 #elif defined (__DECC)
1461 #include <alloca.h>
1462 #pragma intrinsic(alloca)
1463 #elif defined (HAVE_ALLOCA_H)
1464 #include <alloca.h>
1465 #elif defined (_AIX)
1466 #pragma alloca
1467 #elif ! defined (alloca)
1468 #ifdef C_ALLOCA
1469 #define alloca xemacs_c_alloca
1470 #else
1471 void *alloca ();
1472 #endif /* C_ALLOCA */
1473 #endif /* !defined (alloca) */
1474
1475 void
1476 f1 (double a, void *ptr, int b)
1477 {
1478   unsigned char *ptr2 = (unsigned char *) ptr;
1479   if (ptr2[[0]] != 0xBF || ptr2[[1]] != 0xBF || ptr2[[3000]] != 0xBF)
1480     exit (1);
1481   if (a != 3.1415 || b != -5490)
1482     exit (1);
1483 }
1484
1485 int
1486 f2 (short c, void *ptr, long e)
1487 {
1488   unsigned char *ptr2 = (unsigned char *) ptr;
1489   if (ptr2[[0]] != 0xFB || ptr2[[1]] != 0xFB || ptr2[[1000]] != 0xFB)
1490     exit (1);
1491   if (c != 665 || e != 776776776)
1492     exit (1);
1493   f1 (3.1415, memset (alloca (3001), 0xBF, 3001), -5490);
1494   return 42;
1495 }
1496
1497 int
1498 main (int argc, char *argv[])
1499 {
1500   if (f2 (665, memset (alloca (1001), 0xFB, 1001), 776776776) != 42)
1501     return 1;
1502   return 0;
1503 }
1504 ]])], working_alloca_in_function_calls=yes, working_alloca_in_function_calls=no,
1505 working_alloca_in_function_calls=no)
1506 AC_MSG_RESULT($working_alloca_in_function_calls)
1507 test "$working_alloca_in_function_calls" != "yes" && \
1508   AC_DEFINE([BROKEN_ALLOCA_IN_FUNCTION_CALLS], [1], [Description here!])
1509
1510 AM_CONDITIONAL([NEED_ALLOCA_C], [
1511         test "$working_alloca_in_function_calls" = "yes" && \
1512         test "$need_alloca_c" = "yes"])
1513
1514 dnl Check whether strcoll exists and works correctly. (This does more
1515 dnl than just check for its existence.) If so, it defines HAVE_STRCOLL.
1516 AC_FUNC_STRCOLL
1517
1518 dnl If `getpgrp' takes no argument (the POSIX.1 version), define
1519 dnl `GETPGRP_VOID'.  Otherwise, it is the BSD version, which takes a
1520 dnl process ID as an argument.
1521 AC_CHECK_FUNCS(getpgrp)
1522 AC_FUNC_GETPGRP
1523
1524 dnl We used to call AC_FUNC_MMAP here
1525 dnl Instead we now use following, suggested by Neal Becker
1526 AC_MSG_CHECKING(for working mmap)
1527 case "$opsys" in ultrix* ) have_mmap=no ;; *)
1528 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1529 #include <unistd.h>
1530 #include <fcntl.h>
1531 #include <sys/mman.h>
1532
1533 #ifndef MAP_VARIABLE
1534 #define MAP_VARIABLE 0
1535 #endif
1536
1537 #ifndef MAP_FAILED
1538 #define MAP_FAILED -1
1539 #endif
1540
1541 int main (int argc, char *argv[])
1542 {
1543   int fd = -1;
1544   caddr_t p;
1545 #ifndef MAP_ANONYMOUS
1546   fd = open ("/dev/zero", O_RDWR);
1547   if (fd < 0)
1548     return 1;
1549 #define MAP_ANONYMOUS 0
1550 #endif
1551   if (mmap(0, 1024, PROT_READ | PROT_WRITE,
1552            MAP_PRIVATE | MAP_VARIABLE | MAP_ANONYMOUS,
1553            fd, 0) != (void *) MAP_FAILED)
1554     return 0;
1555   perror ("conftest: mmap failed");
1556   return 1;
1557 }]])], have_mmap=yes, have_mmap=no, have_mmap=no) ;;
1558 esac
1559 AC_MSG_RESULT($have_mmap)
1560 test "$have_mmap" = "yes" && AC_DEFINE([HAVE_MMAP], [1], [Description here!])
1561
1562 dnl rel_alloc requires either GNU malloc or system malloc with mmap
1563 dnl We only turn rel_alloc on by default if mmap is available.
1564 test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && with_rel_alloc=no
1565 if test "$with_rel_alloc $have_mmap" = "default yes"; then
1566         if test "$doug_lea_malloc" = "yes"; then
1567                 dnl Check if malloc() calls mmap(), making rel_alloc pointless.
1568                 AC_MSG_CHECKING(for M_MMAP_THRESHOLD)
1569                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],[[
1570 #ifndef M_MMAP_THRESHOLD
1571 #error No M_MMAP_THRESHOLD :-(
1572 !@+$%^&*_)(_ - unlikely to compile...
1573 #endif
1574                         ]])], [
1575                         with_rel_alloc=no
1576                         AC_MSG_RESULT(yes)], [
1577                         with_rel_alloc=yes
1578                         AC_MSG_RESULT(no)])
1579         else
1580                 with_rel_alloc=yes
1581         fi
1582 fi
1583 if test "$with_rel_alloc" = "yes"; then
1584         AC_DEFINE([REL_ALLOC], [1], [Description here!])
1585         SXE_ADD_MEMALLOC_OBJS(ralloc.o)
1586 fi
1587
1588 dnl Check for tests/rminal I/O variants
1589 dnl TERMIOS systems may have termio.h, but not vice-versa, I think.
1590 AC_CHECK_HEADER(termios.h,
1591   AC_DEFINE([HAVE_TERMIOS], [1], [Description here!])
1592   AC_DEFINE([SIGNALS_VIA_CHARACTERS], [1], [Description here!])
1593   AC_DEFINE([NO_TERMIO], [1], [Description here!]),
1594   [AC_CHECK_HEADER(termio.h, [AC_DEFINE([HAVE_TERMIO], [1], [Description here!])])])
1595
1596
1597 dnl Check for directory variants
1598 AC_CHECK_HEADER(dirent.h, [AC_DEFINE([SYSV_SYSTEM_DIR], [1], [Description here!])],
1599   [AC_CHECK_HEADER(sys/dir.h, , [AC_DEFINE([NONSYSTEM_DIR_LIBRARY], [1], [Description here!])])])
1600
1601 dnl check for readdir64_r (the reentrant version of readdir64)
1602 AC_CHECK_FUNC(readdir64_r, [AC_DEFINE([HAVE_LARGEFILE], [1], [Description here!])])
1603
1604 dnl Check for nlist.h
1605 AC_CHECK_HEADER([nlist.h], [AC_DEFINE([NLIST_STRUCT], [1], [Description here!])], [])
1606
1607 dnl firstly check for pthread support so that we can use the
1608 dnl asynchronous playing routines
1609
1610 dnl special pthread handling
1611 dnl AIX uses pthreads instead of pthread, and HP/UX uses cma
1612 dnl FreeBSD uses -pthread
1613 AC_CHECK_LIB(pthread, pthread_create)
1614 if test "${ac_cv_lib_pthread_pthread_create}" = "yes"; then
1615         have_threads=yes
1616
1617         SXE_CHECK_COMPILER_FLAGS([-pthreads])
1618         SXE_CHECK_COMPILER_FLAGS([-pthread])
1619         if test "${sxe_cv_c_flags__pthreads}" = "yes"; then
1620                 SXE_PREPEND_UNDUP([-pthreads], [c_switch_site])
1621         fi
1622         if test "${sxe_cv_c_flags__pthread}" = "yes"; then
1623                 SXE_PREPEND_UNDUP([-pthread], [c_switch_site])
1624         fi
1625         SXE_PREPEND([-lpthread], [MM_LIBS])
1626 fi
1627
1628 dnl test for AIX pthreads
1629 AC_CHECK_LIB(pthreads, pthread_create)
1630 if test $ac_cv_lib_pthreads_pthread_create = yes; then
1631   have_threads=yes
1632   SXE_PREPEND(-lpthreads, MM_LIBS)
1633 fi
1634
1635 dnl test for HPUX cma threads.
1636 AC_CHECK_LIB(cma, pthread_create)
1637 if test $ac_cv_lib_cma_pthread_create = yes; then
1638   have_threads=yes
1639   SXE_PREPEND(-lcma, MM_LIBS)
1640 fi
1641
1642 dnl FreeBSD -pthread check
1643 AC_DEFUN([AC_PTHREAD_FREEBSD],
1644 [AC_MSG_CHECKING([if we need -pthread for threads])
1645 AC_CACHE_VAL(ac_cv_ldflag_pthread,
1646         [ac_save_ld_switch_site="$ld_switch_site"
1647         ld_switch_site="-pthread $ld_switch_site"
1648         AC_LINK_IFELSE([AC_LANG_PROGRAM([[char pthread_create();]],
1649         [[char pthread_create();]])],
1650         eval "ac_cv_ldflag_pthread=yes",
1651         eval "ac_cv_ldflag_pthread=no"),
1652         ld_switch_site="$ac_save_ld_switch_site"
1653 ])
1654 if eval "test \"`echo $ac_cv_ldflag_pthread`\" = yes"; then
1655         AC_MSG_RESULT(yes)
1656         have_threads=yes
1657         SXE_PREPEND_UNDUP("-pthread", ld_switch_site)
1658         SXE_PREPEND_UNDUP("-D_THREAD_SAFE", c_switch_site)
1659 else
1660         AC_MSG_RESULT(no)
1661 fi])
1662
1663 dnl If all other thread tests fail, try BSD's -pthread
1664 if test "$have_threads" != yes; then
1665   AC_PTHREAD_FREEBSD
1666 fi
1667
1668 if test "$have_threads" = yes; then
1669   AC_DEFINE([HAVE_THREADS], [1], [Description here!])
1670 fi
1671
1672
1673 ## Internal Options
1674 ## ================
1675
1676 echo
1677 echo "Internal Options"
1678 echo "================"
1679
1680 SXE_CHECK_LIBTOOL
1681 SXE_CHECK_LIBLTDL
1682
1683 dnl ----------------------------------------------------------------
1684 dnl Check for POSIX functions.
1685 dnl ----------------------------------------------------------------
1686
1687 SXE_CHECK_BASIC_FUNS
1688 AC_CHECK_FUNCS([alarm cbrt closedir dup2 eaccess endpwent floor fmod fpathconf frexp fsync ftime ftruncate getaddrinfo getcwd gethostbyname gethostname getnameinfo getpagesize getrlimit gettimeofday getwd isascii isatty link logb lrand48 matherr memchr memmove memset mkdir mktime munmap perror poll pow putenv random re_comp readlink regcomp rename res_init rint rmdir select setitimer setlocale setpgid setsid sigblock sighold sigprocmask snprintf socket sqrt stpcpy strncpy strncat strcasecmp strchr strdup strerror strlwr strrchr strspn strtol strupr symlink ttyname tzset ulimit umask uname usleep utime vlimit vsnprintf waitpid wcscmp wcslen])
1689
1690 AS_IF([test "$have_isatty" = "yes"],
1691         AC_DEFINE([HAVE_ISATTY], [1], [isatty is available]))
1692 AS_IF([test "$have_ttyname" = "yes"],
1693         AC_DEFINE([HAVE_TTYNAME], [1], [ttyname is available]))
1694
1695
1696 ## combines all these time structures and funs
1697 SXE_CHECK_METRONOME
1698 SXE_CHECK_SUFFICIENCY([metronome], [metronome])
1699
1700 ## check for a sane dirname/realpath
1701 SXE_CHECK_DIRNAME
1702 SXE_CHECK_REALPATH
1703
1704 dnl -----------------------------------
1705 dnl Do some misc autoconf-special tests
1706 dnl -----------------------------------
1707
1708 dnl Do the opsystem or machine files prohibit the use of the GNU malloc?
1709 dnl Assume not, until told otherwise.
1710 GNU_MALLOC=yes
1711 if test "$with_dlmalloc" != "no"; then
1712         doug_lea_malloc=yes
1713 else
1714         doug_lea_malloc=no
1715 fi
1716 after_morecore_hook_exists=yes
1717 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1718 AC_MSG_CHECKING(whether __after_morecore_hook exists)
1719 AC_LINK_IFELSE([AC_LANG_SOURCE([[extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0]])],
1720   [AC_MSG_RESULT(yes)],
1721   [AC_MSG_RESULT(no)
1722    after_morecore_hook_exists=no])
1723 if test "$system_malloc" = "yes" ; then
1724   GNU_MALLOC=no
1725   GNU_MALLOC_reason="
1726     - The GNU allocators don't work with this system configuration."
1727 elif test "$with_system_malloc" = "yes" ; then
1728   GNU_MALLOC=no
1729   GNU_MALLOC_reason="
1730     - User chose not to use GNU allocators."
1731 elif test "$with_debug_malloc" = "yes" ; then
1732   GNU_MALLOC=no
1733   GNU_MALLOC_reason="
1734     - User chose to use Debugging Malloc."
1735 fi
1736
1737 if test "$doug_lea_malloc" = "yes" -a "$GNU_MALLOC" = "yes" ; then
1738         GNU_MALLOC_reason="
1739     - Using Doug Lea's new malloc from the GNU C Library."
1740         AC_DEFINE([DOUG_LEA_MALLOC], [1], [Description here!])
1741         if test "$after_morecore_hook_exists" = "no" ; then
1742                 GNU_MALLOC_reason="
1743     - Using Doug Lea's new malloc from the Linux C Library."
1744         AC_DEFINE([_NO_MALLOC_WARNING_], [1], [Description here!])
1745         fi
1746 fi
1747 AM_CONDITIONAL([USE_MEMALLOC], [test -n "${libmemalloc_objs}"])
1748
1749 dnl #### mcheck is broken in all versions of Linux libc and glibc.
1750 dnl Try this again when 2.1 hits the streets.
1751 dnl Avoid using free-hook.c if support exists for malloc debugging in libc
1752 have_libmcheck=no
1753 if test "$with_error_checking_malloc" = "yes" -a \
1754    "$have_glibc" = "yes" -a \
1755    "$doug_lea_malloc" = "yes"; then
1756         AC_CHECK_HEADERS(mcheck.h)
1757         AC_CHECK_LIB(mcheck, mcheck, [have_libmcheck=yes], [have_libmcheck=no])
1758 fi
1759
1760 if test "$with_module_support" != "no"; then
1761         AS_MESSAGE([checking for module support])
1762         if test "$sxe_cv_feat_libltdl" = "yes"; then
1763                 have_module_support="yes"
1764                 with_module_support="yes"
1765                 SXE_ADD_CRUFT_OBJS([emodules-ng.o])
1766                 AC_DEFINE([HAVE_EMODULES], [1], [Whether emods would be available])
1767                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1768         else
1769                 have_module_support="no"
1770                 AC_DEFINE([WITH_EMODULES], [1], [Whether emods shall be available])
1771         fi
1772 fi
1773
1774 AM_CONDITIONAL([DESCEND_MODULES],
1775         [test "$with_module_support $have_module_support" = "yes yes"])
1776 if test "$with_module_support $have_module_support" = "yes"; then
1777         SXE_APPEND([src], [MAKE_SUBDIR])
1778         SXE_APPEND([src], [INSTALL_ARCH_DEP_SUBDIR])
1779         SXE_APPEND([modules], [MAKE_AM_SUBDIR])
1780         SXE_APPEND([modules], [SRC_SUBDIR_DEPS])
1781 dnl else
1782 dnl     MOD_CC="$SXEMACS_CC"
1783 dnl     MODCFLAGS="\$(SXE_CFLAGS) -I../../src -I\$(sxe_srcdir)/../../src"
1784 dnl     INSTALLPATH=""
1785 dnl     MOD_INSTALL_PROGRAM="true"
1786 dnl     OBJECT_TO_BUILD="\$(MODNAME).o"
1787 fi
1788
1789 if test "$with_modules_ase" = "yes"; then
1790         have_modules_ase=yes
1791 fi
1792 if test "$with_static_modules_ase" = "yes"; then
1793         have_static_modules_ase=yes
1794 fi
1795 SXE_EMOD_STATMOD([ase])
1796 if test "$have_modules_ase $have_static_modules_ase" != " "; then
1797         have_ase_cart="yes"
1798         have_ase_dig="yes"
1799         have_ase_intv="yes"
1800         have_ase_metric="yes"
1801         have_ase_nbhood="yes"
1802         have_ase_perm="yes"
1803         have_ase_resclass="yes"
1804 fi
1805 if test "$have_bison" = "yes"; then
1806         if test "$with_modules_cl" = "yes" ; then
1807                 have_modules_cl="yes"
1808         fi
1809         if test "$with_static_modules_cl" = "yes"; then
1810                 have_static_modules_cl="yes"
1811         fi
1812 else
1813         if test "$with_modules_cl" = "yes" -o "$with_static_modules_cl" = "yes"; then
1814                 AC_MSG_WARN([Sorry no bison means no cl module for you.])
1815         fi
1816 fi
1817
1818 SXE_EMOD_STATMOD([cl])
1819
1820 dnl D-Bus
1821 dnl SXE_CHECK_DBUS
1822 dnl if test "$have_dbus" = "yes"; then
1823 dnl     if test "$with_modules_dbus" = "yes"; then
1824 dnl             have_modules_dbus=yes
1825 dnl     fi
1826 dnl     if test "$with_static_modules_dbus" = "yes"; then
1827 dnl             have_static_modules_dbus=yes
1828 dnl     fi
1829 dnl else
1830 dnl     AC_MSG_WARN([I cannot believe you do not have d-bus.])
1831 dnl fi
1832
1833 dnl SXE_EMOD_STATMOD([dbus])
1834
1835 AM_CONDITIONAL([AUTARKIC], [test "0" = "1"])
1836 MODARCHDIR=
1837 MAKE_DOCFILE="$sxe_blddir/lib-src/make-docfile"
1838 ELLMAKEDOC=$MAKE_DOCFILE
1839 ELLCC=$MOD_CC
1840 AC_SUBST(ELLCC)
1841 AC_SUBST(ELLMAKEDOC)
1842 AC_SUBST(with_modules, $with_modules)
1843 AC_SUBST(MOD_CC)
1844 AC_SUBST(MODARCHDIR)
1845 AC_SUBST(MAKE_DOCFILE)
1846 AC_SUBST(MODCFLAGS)
1847 AC_SUBST(INSTALLPATH)
1848 AC_SUBST(MOD_INSTALL_PROGRAM)
1849 AC_SUBST(OBJECT_TO_BUILD)
1850 SXE_SUBST_STATMOD_A
1851
1852 ## FFI support
1853 SXE_CHECK_FFI
1854 SXE_CHECK_SUFFICIENCY([ffi], [FFI support], [
1855         ## additional actions
1856         AC_DEFINE([HAVE_LIBFFI], [1], [Description here!])
1857         HAVE_LIBFFI=yes
1858         FFI_LIBS="-lffi"
1859         SXE_ADD_CRUFT_OBJS([effi.o])
1860 ])
1861
1862 ## ENT support
1863 SXE_CHECK_ENT
1864
1865 ## check for pseudo gaussian numbers
1866 AC_MSG_CHECKING([for pseug (gaussian numbers)])
1867 if test "$sxe_cv_feat_gmp" = "yes"; then
1868         ## the good case
1869         AC_DEFINE([HAVE_PSEUG], [1], [Whether we COULD do gaussian numbers!])
1870         sxe_cv_feat_pseug="yes"
1871 else
1872         sxe_cv_feat_pseug="no"
1873 fi
1874 AC_MSG_RESULT([$sxe_cv_feat_pseug])
1875
1876 ## check for pseudo complex numbers
1877 AC_MSG_CHECKING([for pseuc (pseudo complex numbers)])
1878 if test "$sxe_cv_feat_mpfr" = "yes"; then
1879         ## the good case
1880         AC_DEFINE([HAVE_PSEUC], [1], [Whether we COULD do complex numbers!])
1881         sxe_cv_feat_pseuc="yes"
1882 else
1883         sxe_cv_feat_pseuc="no"
1884 fi
1885 AC_MSG_RESULT([$sxe_cv_feat_pseuc])
1886
1887 ## check for pseudo quaternions
1888 AC_MSG_CHECKING([for quatern (quaternion numbers)])
1889 if test "$sxe_cv_feat_gmp" = "yes"; then
1890         ## the good case
1891         AC_DEFINE([HAVE_QUATERN], [1], [Whether we COULD do quaternions!])
1892         sxe_cv_feat_quatern="yes"
1893 else
1894         sxe_cv_feat_quatern="no"
1895 fi
1896 AC_MSG_RESULT([$sxe_cv_feat_quatern])
1897
1898
1899 ## go through what the PH^Wuser has specified
1900 ## it's a wee bit more complex, so let's go for it
1901 ## we use a dijkstra-if
1902 ent_dijkstra="$with_ent_gmp $sxe_cv_feat_gmp"
1903 if test "$ent_dijkstra" = "yes yes"; then
1904         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1905         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1906         SXE_ADD_ENT_OBJS([ent-gmp.o])
1907         have_ent_gmp="yes"
1908 elif test "$ent_dijkstra" = "yes no"; then
1909         ## pity, we wanted GMP but we dont have it
1910         AC_DEFINE([WITH_GMP], [1], [Whether GMP support was desired!])
1911         have_ent_gmp="no"
1912 elif test "$ent_dijkstra" = "no yes"; then
1913         ## we didn't want GMP but we have it
1914         ## do nothing in that case
1915         have_ent_gmp="no"
1916 elif test "$ent_dijkstra" = "no no"; then
1917         ## great, we didnt opt for GMP and we're lucky, it's not there either
1918         have_ent_gmp="no"
1919 fi
1920
1921 ## evaluate mpfr results
1922 ent_dijkstra="$with_ent_mpfr $sxe_cv_feat_mpfr"
1923 if test "$ent_dijkstra" = "yes yes"; then
1924         ## the good case
1925         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1926         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1927         SXE_ADD_ENT_OBJS([ent-mpfr.o])
1928         have_ent_mpfr="yes"
1929 elif test "$ent_dijkstra" = "yes no"; then
1930         ## we want but can't have
1931         AC_DEFINE([WITH_MPFR], [1], [Description here!])
1932         have_ent_mpfr="no"
1933 elif test "$ent_dijkstra" = "no yes"; then
1934         have_ent_mpfr="no"
1935 elif test "$ent_dijkstra" = "no no"; then
1936         have_ent_mpfr="no"
1937 fi
1938
1939
1940 ## whether to enable gaussian numbers
1941 ent_dijkstra="$with_ent_pseug $sxe_cv_feat_pseug"
1942 if test "$ent_dijkstra" = "yes yes"; then
1943         ## perfick
1944         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1945         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
1946         SXE_ADD_ENT_OBJS([ent-gaussian.o])
1947         have_ent_pseug="yes"
1948 elif test "$ent_dijkstra" = "yes no"; then
1949         ## grrrr
1950         AC_DEFINE([WITH_PSEUG], [1], [Description here!])
1951         have_ent_pseug="no"
1952 elif test "$ent_dijkstra" = "no yes"; then
1953         have_ent_pseug="no"
1954 elif test "$ent_dijkstra" = "no no"; then
1955         have_ent_pseug="no"
1956 fi
1957
1958 ## whether to enable emulated complex numbers
1959 ent_dijkstra="$with_ent_pseuc $sxe_cv_feat_pseuc $with_ent_mpc $sxe_cv_feat_mpc"
1960 if test "$ent_dijkstra" = "yes yes yes yes"; then
1961         ## skip pseuc usage
1962         have_ent_pseuc="veto"
1963         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1964         AS_MESSAGE([ENT: Built-in support for complex numbers available, dnl
1965 but omitted in favour of MPC.])
1966         omit_ent_pseuc_in_favour_of="mpc"
1967         ## set up to use plain mpc
1968         AC_DEFINE([WITH_MPC], [1], [Description here!])
1969         SXE_PREPEND([$MPC_LIBS], [ENT_LIBS])
1970         SXE_ADD_ENT_OBJS([ent-mpc.o])
1971         have_ent_mpc="yes"
1972 elif test "$ent_dijkstra" = "yes yes yes no"; then
1973         ## user planned to use mpc, hasnt got it though
1974         ## now he's cursed with pseudo complex numbers :)
1975         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1976         have_ent_pseuc="yes"
1977         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1978         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1979         ## we want mpc but can't have, set up that
1980         AC_DEFINE([WITH_MPC], [1], [Description here!])
1981         have_ent_mpc="no"
1982 elif test "$ent_dijkstra" = "yes yes no yes"; then
1983         ## user coulda used mpc but disabled it for whatever reasons ... Wait!
1984         ## Horst, is that you?!
1985         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1986         AS_MESSAGE([ENT: dnl
1987 MPC support for complex numbers IS possible, however YOU think you want dnl
1988 the built-in emulated stuff?  Seriously?  Good, so be it!])
1989         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1990         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
1991         have_ent_pseuc="yes"
1992         omit_ent_mpc_in_favour_of="pseuc"
1993         ## however brag that we have mpc
1994         have_ent_mpc="yes"
1995 elif test "$ent_dijkstra" = "yes yes no no"; then
1996         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
1997         have_ent_pseuc="yes"
1998         SXE_PREPEND([$MPFR_LIBS], [ENT_LIBS])
1999         SXE_ADD_ENT_OBJS([ent-pseumpc.o])
2000         have_ent_mpc="no"
2001 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "yes no"; then
2002         AC_DEFINE([WITH_PSEUC], [1], [Description here!])
2003         have_ent_pseuc="no"
2004 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no yes"; then
2005         have_ent_pseuc="no"
2006 elif test "$with_ent_pseuc $sxe_cv_feat_pseuc" = "no no"; then
2007         have_ent_pseuc="no"
2008 fi
2009
2010 ## whether to enable gaussian numbers
2011 ent_dijkstra="$with_ent_quatern $sxe_cv_feat_quatern"
2012 if test "$ent_dijkstra" = "yes yes"; then
2013         ## perfick
2014         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2015         SXE_PREPEND([$GMP_LIBS], [ENT_LIBS])
2016         SXE_ADD_ENT_OBJS([ent-quatern.o])
2017         have_ent_quatern="yes"
2018 elif test "$ent_dijkstra" = "yes no"; then
2019         ## grrrr
2020         AC_DEFINE([WITH_QUATERN], [1], [Description here!])
2021         have_ent_quatern="no"
2022 elif test "$ent_dijkstra" = "no yes"; then
2023         have_ent_quatern="no"
2024 elif test "$ent_dijkstra" = "no no"; then
2025         have_ent_quatern="no"
2026 fi
2027
2028 ## elliptic curve support
2029 ent_dijkstra="$with_ent_ecm $sxe_cv_feat_ecm"
2030 if test "$ent_dijkstra" = "yes yes"; then
2031         ## perfick case
2032         AC_DEFINE([WITH_ECM], [1], [Description here!])
2033         SXE_PREPEND([$ECM_LIBS], [ENT_LIBS])
2034         SXE_ADD_ENT_OBJS([ent-ecm.o])
2035         have_ent_ecm="yes"
2036 elif test "$ent_dijkstra" = "no yes"; then
2037         have_ent_ecm="no"
2038 elif test "$ent_dijkstra" = "yes no"; then
2039         AC_DEFINE([WITH_ECM], [1], [Description here!])
2040         have_ent_ecm="no"
2041 elif test "$ent_dijkstra" = "no no"; then
2042         have_ent_ecm="no"
2043 fi
2044
2045
2046 ## Floating operation support is now unconditional
2047 SXE_CHECK_MATHS_VALUES
2048 if test "$ac_cv_sizeof_long_double" != 0; then
2049         ##AC_DEFINE_UNQUOTED([fpfloat], [long double], [Description here!])
2050         ##AC_DEFINE([fpfloat_long_double_p], [1], [Description here!])
2051         fpfloat="long double"
2052         fpfloat_long_double_p=1
2053         have_fpfloat=yes
2054 elif test "$ac_cv_sizeof_double" != 0; then
2055         ##AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2056         ##AC_DEFINE([fpfloat_double_p], [1], [Description here!])
2057         fpfloat="double"
2058         fpfloat_double_p=1
2059         have_fpfloat=yes
2060 else
2061         AS_MESSAGE([Uh oh, no float type is bad news.])
2062         have_fpfloat=no
2063 fi
2064
2065 AC_MSG_CHECKING([if need to add -lm])
2066 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2067 #include <math.h>
2068 ]],[[
2069 return sin(0.0);
2070 ]])], [AC_MSG_RESULT([no])], [
2071         AC_MSG_RESULT([maybe])
2072         save_LIBS=$LIBS
2073         SXE_APPEND([-lm], [LIBS])
2074         AC_MSG_CHECKING([if can add -lm])
2075         AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2076 #include <math.h>
2077 ]],[[
2078 return sin(0.0);
2079 ]])], [AC_MSG_RESULT([yes])], [
2080         AC_MSG_RESULT([no])
2081         AC_MSG_WARN([No way to use math functions found. Reverting option append.])
2082         LIBS=$save_LIBS])])
2083
2084
2085
2086 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2087 #include <math.h>
2088 ]],[[
2089 return atanh(1.0) + asinh(1.0) + acosh(1.0);
2090 ]])], [AC_DEFINE([HAVE_INVERSE_HYPERBOLIC], [1], [Description here!])])
2091
2092 if test "$have_fpfloat" = "yes"; then
2093         AC_DEFINE([HAVE_FPFLOAT], [1], [Description here!])
2094
2095         SXE_CHECK_CLEAN_FLOATOPS(
2096                 [have_clean_floatops="yes"], [have_clean_floatops="no"])
2097
2098         ## it would seem odd to define the destiny of our float arithmetic here
2099         if test "$have_clean_floatops" = "yes"; then
2100                 AC_DEFINE_UNQUOTED([fpfloat], [$fpfloat], [Description here!])
2101                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2102                         [${fpfloat_long_double_p:-0}], [Description here!])
2103                 AC_DEFINE_UNQUOTED([fpfloat_double_p],
2104                         [${fpfloat_double_p:-0}], [Description here!])
2105         else
2106                 AS_MESSAGE([downgrading to `double' floats])
2107                 AC_DEFINE_UNQUOTED([fpfloat], [double], [Description here!])
2108                 AC_DEFINE_UNQUOTED([fpfloat_long_double_p],
2109                         [0], [Description here!])
2110                 AC_DEFINE([fpfloat_double_p],
2111                         [1], [Description here!])
2112         fi
2113 fi
2114
2115 ## trivial checks, you cannot (yet) turn off internal arithmetic entirely
2116 ## so we always `have' it
2117 dnl with_ent_int=yes
2118 have_ent_int=yes
2119 dnl with_ent_indef=yes
2120 have_ent_indef=yes
2121 dnl with_ent_fpfloat=yes
2122 have_ent_fpfloat=yes
2123 dnl we attempt to always use ent.o
2124 AC_DEFINE([WITH_NUMBER_TYPES], [1], [Description here!])
2125 SXE_SUBST_ENT_OBJS
2126
2127 dnl experimental code support
2128 if test "$with_compre" != "no"; then
2129         AC_MSG_CHECKING([if compre prerequisites are met])
2130         AC_MSG_RESULT([yes])
2131         AC_DEFINE([EF_USE_COMPRE], [1],
2132                 [Whether to provide compiled regular expression!])
2133         have_compre=yes
2134 fi
2135 if test "$with_experimental_features_pom" = "yes"; then
2136         AC_MSG_CHECKING([if pom prerequisites are met])
2137         if test "$have_threads" = "yes"; then
2138                 AC_MSG_RESULT([yes])
2139                 AC_DEFINE([EF_USE_POM], [1],
2140                         [Whether to protect all lisp objects with mutexes!])
2141                 have_experimental_features_pom=yes
2142         else
2143                 AC_MSG_RESULT([no])
2144         fi
2145 fi
2146 if test "$with_experimental_features_asyneq" = "yes"; then
2147         AC_MSG_CHECKING([if asyneq prerequisites are met])
2148         if test "$have_threads" = "yes"; then
2149                 AC_MSG_RESULT([yes])
2150                 AC_DEFINE([EF_USE_ASYNEQ], [1],
2151                         [Whether to setup asynchronous event queues!])
2152                 have_experimental_features_asyneq=yes
2153                 SXE_ADD_EVENTS_OBJS([event-queue.o workers.o worker-asyneq.o])
2154         else
2155                 AC_MSG_RESULT([no])
2156         fi
2157 fi
2158 SXE_SUBST_EVENTS_OBJS
2159
2160 SXE_CHECK_EVENTS
2161 SXE_CHECK_SUFFICIENCY([events], [event system])
2162
2163 ## check asm helpers
2164 SXE_CHECK_ASM_HELPERS
2165
2166 ## compression titbits
2167 SXE_CHECK_ZLIB
2168 SXE_CHECK_BZLIB
2169 SXE_CHECK_LZMA
2170
2171
2172 ## Cryptography Options
2173 ## ====================
2174 echo
2175 echo "Cryptography Options"
2176 echo "===================="
2177
2178 ## in case someone else (ldap, pgsql, etc.) needs it
2179 SXE_CHECK_OPENSSL
2180 SXE_CHECK_SUFFICIENCY([openssl], [OpenSSL support])
2181
2182 dnl OpenSSL
2183 if test "$with_openssl" != "no" -a "$have_openssl" = "yes"; then
2184         SXE_ADD_CRUFT_OBJS([openssl.o])
2185 elif test "$with_openssl" != "no"; then
2186         AC_MSG_WARN([Required OpenSSL support cannot be provided.])
2187         AC_MSG_WARN([Check --with-site-prefixes.])
2188 fi
2189 if test "$have_openssl" = "no" -o "$with_openssl" = "no"; then
2190         OPENSSL_CPPFLAGS=""
2191         OPENSSL_LDFLAGS=""
2192         OPENSSL_LIBS=""
2193 fi
2194 AC_SUBST([OPENSSL_CPPFLAGS])
2195 AC_SUBST([OPENSSL_LDFLAGS])
2196 AC_SUBST([OPENSSL_LIBS])
2197
2198 SXE_CHECK_KERBEROS
2199 SXE_CHECK_KERBEROS5
2200 if test "$with_kerberos" = "yes"; then
2201         AC_DEFINE([WITH_KERBEROS], [1], [Whether kerberos support was requested])
2202         if test "$sxe_cv_feat_kerberos" = "yes"; then
2203                 SXE_PREPEND([$KERBEROS_LIBS], [ld_libs_general])
2204         fi
2205 fi
2206
2207
2208 ## Networking Options
2209 ## ==================
2210 echo
2211 echo "Networking Options"
2212 echo "=================="
2213
2214 SXE_CHECK_SOCKETS
2215 SXE_CHECK_SUFFICIENCY([unix], [unix domain sockets])
2216 SXE_CHECK_SUFFICIENCY([sysvipc], [SysV IPC message])
2217 SXE_CHECK_SUFFICIENCY([sockets], [tcp/udp sockets])
2218 SXE_CHECK_SUFFICIENCY([tcpudp], [tcp/udp sockets])
2219 SXE_CHECK_SUFFICIENCY([multicast], [multicast])
2220
2221 dnl Decnet
2222 if test "$with_dnet" = "yes"; then
2223   AC_CHECK_LIB(dnet, main,
2224     [AC_DEFINE([HAVE_LIBDNET], [1], [Description here!])],
2225     [SXE_DIE("DECnet requested but can't find libdnet")])
2226 fi
2227
2228 dnl Socks support
2229 if test "$with_socks" = "yes"; then
2230   AC_CHECK_LIB(socks, SOCKSinit)
2231   test -n "$ac_cv_lib_socks_SOCKSinit" && AC_DEFINE([HAVE_SOCKS], [1], [Description here!])
2232 fi
2233
2234
2235 ## Window System Features
2236 ## ======================
2237 echo
2238 echo "Window System Features"
2239 echo "======================"
2240
2241 dnl ----------------------
2242 dnl Choose a window system
2243 dnl ----------------------
2244
2245 AS_MESSAGE([checking for specified window system])
2246
2247 if test "$with_x" != "no"; then
2248         if test "$with_x11" != "no"; then
2249                 dnl User-specified --x-includes or --x-libraries implies --with-x11.
2250                 test "$x_includes $x_libraries" != "NONE NONE" && \
2251                         window_system=x11
2252                         with_x11=yes
2253         fi
2254
2255         dnl Autodetection of X11 libraries and includes
2256         dnl -------------------------------------------
2257         dnl AC_PATH_XTRA thinks it can find our X headers and includes, but
2258         dnl it often gets it wrong, so we only use it as a last resort.
2259
2260         dnl $OPENWINHOME implies --x-includes and --x-libraries
2261         dnl Not (yet) handled by autoconf2
2262         if test "$x_includes $x_libraries" = "NONE NONE" \
2263                 -a -n "$OPENWINHOME" \
2264                 -a "$OPENWINHOME" != "/usr/openwin" \
2265                 -a -d "$OPENWINHOME"; then
2266                 test -d "$OPENWINHOME/lib"           && \
2267                         x_libraries="$OPENWINHOME/lib"
2268                 test -d "$OPENWINHOME/include"       && \
2269                         x_includes="$OPENWINHOME/include"
2270                 test -d "$OPENWINHOME/share/include" && \
2271                         x_includes="$OPENWINHOME/share/include"
2272         fi
2273
2274         if test -z "$x_includes" -o \
2275            "$x_includes" = "NONE" -o \
2276            ! -d "$x_includes"; then
2277                 dnl AC_PATH_XTRA often guesses /usr/include, when some other
2278                 dnl include directory is a MUCH better guess (Linux, HP-UX 10.20).
2279                 dnl This is a workaround for idiot (esp. HP) system vendors, who
2280                 dnl provide a /usr/include/X11, but DON'T FULLY POPULATE IT.
2281                 for dir in "/usr/X11" "/usr/X11R7" "/usr/X11R6" \
2282                         "/usr/local" "/usr"; do
2283                         if test -d "$dir/include/X11"; then
2284                                 x_includes="$dir/include"
2285                                 break
2286                         fi
2287                 done
2288         fi
2289
2290         if test -z "$x_libraries" -o \
2291            "$x_libraries" = "NONE" -o \
2292            ! -d "$x_libraries"; then
2293                 for dir in \
2294                         "/usr/X11/lib" \
2295                         "/usr/X11R7/lib" "/usr/lib/X11R7" \
2296                         "/usr/X11R6/lib" "/usr/lib/X11R6" \
2297                         "/usr/local/lib" "/usr/local/lib/X11" \
2298                         "/usr/lib" "/usr/lib/X11"; do
2299                         if test -r "$dir/libX11.a"; then
2300                                 x_libraries="$dir"
2301                                 break
2302                         fi
2303                 done
2304         fi
2305
2306         AC_PATH_XTRA
2307         if test "$with_x11" != "no"; then
2308                 if test "$no_x" = "yes"; then
2309                         with_x11=no
2310                         window_system=none
2311                         HAVE_X_WINDOWS=no
2312                 else
2313                         with_x11=yes
2314                         window_system=x11
2315                         HAVE_X_WINDOWS=yes
2316                 fi
2317         fi
2318 fi
2319
2320 dnl #### wmperry:: !x11 != NONE
2321 dnl case "$with_x11" in
2322 dnl  yes ) window_system=x11  HAVE_X_WINDOWS=yes ;;
2323 dnl  no  ) window_system=none HAVE_X_WINDOWS=no  ;;
2324 dnl esac
2325
2326 AM_CONDITIONAL([DESCEND_LWLIB], [test "$with_x11" = "yes"])
2327 if test "$with_x11" = "yes"; then
2328         AC_DEFINE([HAVE_X_WINDOWS], [1], [Description here!])
2329         AC_DEFINE([NeedFunctionPrototypes], [1], [Description here!])
2330         AC_DEFINE([FUNCPROTO], [15], [Whatever this is.])
2331         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Description here!])
2332         SXE_APPEND([lwlib], [MAKE_SUBDIR])
2333         SXE_APPEND([lwlib], [SRC_SUBDIR_DEPS])
2334
2335         SXE_ADD_SXEUIX11_OBJS([console-x.o device-x.o event-Xt.o frame-x.o])
2336         SXE_ADD_SXEUIX11_OBJS([glyphs-x.o objects-x.o redisplay-x.o select-x.o])
2337         SXE_ADD_SXEUIX11_OBJS([xgccache.o])
2338
2339         SXE_DUMP_LIBS
2340         ## some debian systems are trying to fool us ... now fool them back!
2341         if test -d "$x_includes"; then
2342                 CPPFLAGS="$CPPFLAGS -I$x_includes"
2343         fi
2344         if test -d "$x_libraries"; then
2345                 LDFLAGS="$LDFLAGS -L$x_libraries"
2346         fi
2347
2348         dnl Look for Motif, but only if not found in $x_includes and $x_libraries
2349         AC_CHECK_HEADERS([Xm/Xm.h])
2350         if test "$ac_cv_header_Xm_Xm_h" = "yes"; then
2351                 AC_CHECK_LIB([Xm], [XmStringFree], [got_motif=yes])
2352         fi
2353
2354         if test "$got_motif" != "yes"; then
2355                 dnl Try to find Motif dirs
2356                 dnl These take precedence over other X libs/includes, so PRE-pend
2357                 for lib_dir in \
2358                         "/usr/dt/lib" "/usr/lib/Motif2.1" \
2359                         "/usr/lib/Motif1.2" "/usr/lib/Motif1.1"; do
2360                         inc_dir=`echo $lib_dir | sed -e 's/lib/include/'`
2361                         if test -d "$lib_dir" -a -d "$inc_dir"; then
2362                                 case "$x_libraries" in
2363                                 *"$lib_dir"* )
2364                                         ;;
2365                                 *)
2366                                         x_libraries="$lib_dir $x_libraries"
2367                                         SXE_PREPEND(["-L${lib_dir}"], [X_LIBS])
2368                                         ;;
2369                                 esac
2370                                 case "$x_includes" in
2371                                 "$inc_dir"* )
2372                                         ;;
2373                                 *)
2374                                         x_includes="$inc_dir $x_includes"
2375                                         SXE_PREPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2376                                         ;;
2377                                 esac
2378                                 break; dnl only need ONE Motif implementation!
2379                         fi
2380                 done
2381         fi
2382
2383         dnl Contrib X libs/includes do NOT take precedence, so AP-pend
2384         for rel in "X11R7" "X11R6" "X11R5" "X11R4"; do
2385                 lib_dir="/usr/contrib/$rel/lib" inc_dir="/usr/contrib/$rel/include"
2386                 if test -d "$lib_dir" -a -d "$inc_dir"; then
2387                         case "$x_libraries" in
2388                         *"$lib_dir"* )
2389                                 ;;
2390                         *)
2391                                 x_libraries="$x_libraries $lib_dir"
2392                                 SXE_APPEND(["-L${lib_dir}"], [X_LIBS])
2393                                 ;;
2394                         esac
2395                         case "$x_includes" in
2396                         "$inc_dir"* )
2397                                 ;;
2398                         *)
2399                                 x_includes="$x_includes $inc_dir"
2400                                 SXE_APPEND_UNDUP(["-I${inc_dir}"], [X_CFLAGS])
2401                                 ;;
2402                         esac
2403                         break; dnl Only need ONE X11 implementation !
2404                 fi
2405         done
2406
2407         dnl Avoid version mismatch for shared library libXm.so on osf4
2408         case "$opsys" in
2409         decosf*)
2410                 AS_IF([test "$GCC" = yes -a -d "/usr/shlib"],
2411                         SXE_APPEND([-L/usr/shlib], [X_LIBS]))
2412                 ;;
2413         esac
2414
2415         LDFLAGS="$LDFLAGS $X_LIBS"
2416
2417         if test "$extra_verbose" = "yes"; then
2418                 echo
2419                 echo "X11 compilation variables:"
2420                 SXE_PRINT_VAR(x_libraries x_includes
2421                         X_CFLAGS X_LIBS X_PRE_LIBS X_EXTRA_LIBS)
2422                 echo
2423         fi
2424
2425         dnl Set up bitmaps search path.
2426         dnl The original suggestion was to unconditionally to append X11/bitmaps
2427         dnl to each element of $x_includes, I'm pretty sure this is the wrong
2428         dnl thing to do.  We test for bitmaps and X11/bitmaps directories on each
2429         dnl element and add them to BITMAPDIR if they exist.
2430         bitmapdirs=
2431         if test "$x_includes" != NONE; then
2432                 for i in $x_includes; do
2433                         if test -d "$i/bitmaps"; then
2434                                 bitmapdirs="$i/bitmaps:$bitmapdirs"
2435                         fi
2436                         if test -d "$i/X11/bitmaps"; then
2437                                 bitmapdirs="$i/X11/bitmaps:$bitmapdirs"
2438                         fi
2439                 done
2440                 bitmapdirs=`echo "$bitmapdirs" | sed s/.$//`
2441         fi
2442         if test ! -z "$bitmapdirs"; then
2443                 AC_DEFINE_UNQUOTED([BITMAPDIR], ["$bitmapdirs"], [Description here!])
2444         fi
2445
2446 dnl   dnl Autodetect defines extracted from X config by xmkmf, e.g. NARROWPROTO
2447 dnl   AS_MESSAGE(checking for X defines extracted by xmkmf)
2448 dnl   rm -fr conftestdir
2449 dnl   if mkdir conftestdir; then
2450 dnl     cd conftestdir
2451 dnl     cat > Imakefile <<'EOF'
2452 dnl xetest:
2453 dnl     @echo ${PROTO_DEFINES} ${STD_DEFINES}
2454 dnl EOF
2455 dnl     if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
2456 dnl       # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
2457 dnl       xmkmf_defines=`${MAKE-make} xetest 2>/dev/null | grep -v make`
2458 dnl     fi
2459 dnl     cd ..
2460 dnl     rm -fr conftestdir
2461 dnl     for word in $xmkmf_defines; do
2462 dnl       case "$word" in
2463 dnl       -D__STDC__*) ;;
2464 dnl       -D* )
2465 dnl     sym=`echo '' $word | sed -e 's:^ *-D::' -e 's:=.*::'`
2466 dnl     case "$word" in
2467 dnl       -D*=* ) val=`echo '' $word | sed -e 's:^.*=::'` ;;
2468 dnl       *     ) val=1 ;;
2469 dnl     esac
2470 dnl dnl Avoid re-AC_DEFINE-ing xmkmf symbols we've already defined above.
2471 dnl     if grep "^#define $sym " confdefs.h >/dev/null; then :; else
2472 dnl       if test "$val" = "1"
2473 dnl         then AC_DEFINE_UNQUOTED([$sym], [], [Description here!])
2474 dnl         else AC_DEFINE_UNQUOTED([$sym], [$val], [Description here!])
2475 dnl       fi
2476 dnl     fi  ;;
2477 dnl       esac
2478 dnl     done
2479 dnl   fi
2480
2481         dnl make sure we can find Intrinsic.h
2482         AC_CHECK_HEADER([X11/Intrinsic.h], [],
2483                 [AC_MSG_ERROR([Unable to find X11 header files. Try using --x-includes=<path> if you know the path, or --with-x=no to disable X11 support.])])
2484
2485         dnl Check some more headers
2486         AC_CHECK_HEADERS([X11/Intrinsic.h X11/StringDefs.h X11/Shell.h X11/ShellP.h],
2487                 [],[],
2488                 [[#if HAVE_X11_INTRINSIC_H
2489                   # include <X11/Intrinsic.h>
2490                   # include <X11/IntrinsicP.h>
2491                   # include <X11/CoreP.h>
2492                   #endif]])
2493
2494         dnl -lXt and -lX11 are required
2495         dnl Some broken systems require the magic "-b i486-linuxaout" flag
2496
2497         dnl Other broken systems will not pass these tests unless the pre and
2498         dnl extra libs are passed on...
2499         LIBS="$LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
2500         AC_CHECK_LIB(X11, XOpenDisplay, have_lib_x11=yes)
2501         if test "$have_lib_x11" != "yes"; then
2502                 AC_CHECK_LIB([X11], [XGetFontProperty],
2503                         [],
2504                         [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.])])
2505         fi
2506         SXE_PREPEND([-lX11], [libs_x])
2507         LIBS="$LIBS -lX11"
2508         if test "$extra_verbose" = "yes"; then
2509                 echo "    Setting libs_x to \"-lX11\""
2510         fi
2511         dnl Autodetect -lXext
2512         AC_CHECK_LIB([Xext], [XShapeSelectInput], [SXE_PREPEND([-lXext], [libs_x])])
2513
2514         dnl Require -lXt
2515         AC_CHECK_LIB([Xt], [XtOpenDisplay], [SXE_PREPEND([-lXt], [libs_x])], [
2516                 AC_MSG_ERROR([Unable to find X11 libraries. Try using --x-libraries=<path> if you know the path, or --with-x=no to disable X11 support.])])
2517
2518         AC_MSG_CHECKING([the version of X11 being used])
2519         AC_RUN_IFELSE([AC_LANG_SOURCE([[
2520 #include <X11/Intrinsic.h>
2521 int main(int c, char *v[]) { return c>1 ? XlibSpecificationRelease : 0; }]])],
2522                 [./conftest foobar; x11_release=$?],[x11_release=4],[x11_release=4])
2523         AC_MSG_RESULT(R${x11_release})
2524         AC_DEFINE_UNQUOTED([X11_RELEASE], [${x11_release}], [Description here!])
2525
2526         AC_CHECK_FUNCS([XConvertCase])
2527         AC_CHECK_LIB([Xt], [XtRegisterDrawable])
2528         if test "$ac_cv_lib_Xt_XtRegisterDrawable" = "yes"; then
2529                 AC_DEFINE([HAVE_XTREGISTERDRAWABLE], [1], [Description])
2530         fi
2531
2532         AC_CHECK_HEADERS(X11/Xlocale.h)
2533
2534         dnl XFree86 has a non-standard prototype for this X11R6 function
2535         AC_CHECK_FUNCS(XRegisterIMInstantiateCallback)
2536         AC_MSG_CHECKING(for standard XRegisterIMInstantiateCallback prototype)
2537         AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2538 #ifndef NeedFunctionPrototypes
2539 #define NeedFunctionPrototypes 1
2540 #endif
2541 #include <X11/Xlib.h>
2542 extern Bool XRegisterIMInstantiateCallback(
2543         Display*, struct _XrmHashBucketRec*, char*, char*, XIMProc, XPointer*);
2544 ]])],
2545         [AC_MSG_RESULT(yes)],
2546         [AC_MSG_RESULT(no)
2547                 AC_DEFINE([XREGISTERIMINSTANTIATECALLBACK_NONSTANDARD_PROTOTYPE],
2548                         [], [Description here!])])
2549
2550         dnl autodetect -lXmu
2551         AC_CHECK_LIB([Xmu], [XmuReadBitmapDataFromFile],
2552                 [with_xmu=yes], [with_xmu=no])
2553         if test "$with_xmu" = "no"; then
2554                 SXE_ADD_SXEUIX11_OBJS([xmu.o])
2555         else
2556                 SXE_PREPEND([-lXmu], [libs_x])
2557                 AC_DEFINE([HAVE_XMU], [1], [Description here!])
2558         fi
2559
2560         dnl Autodetect -lXbsd
2561         dnl #### Someone, please add a better function than main
2562         AC_CHECK_LIB([Xbsd], [main], SXE_PREPEND([-lXbsd], [libs_x]))
2563
2564         dnl restore old values
2565         SXE_RESTORE_LIBS
2566 fi dnl $with_x11 = yes
2567
2568 AC_SUBST([install_pp])
2569
2570 dnl test "$with_dragndrop" != "no" && with_dragndrop="$with_dragndrop_default"
2571 dnl test -z "$window_system" && window_system="none"
2572 with_dragndrop="no"
2573
2574 dnl Test for features that require a window system - ANY window system
2575 if test "$window_system" = "none"; then
2576   for feature in menubars scrollbars toolbars dialogs dragndrop xface
2577   do
2578     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2579        AC_MSG_WARN([--with-$feature ignored:  Not valid without window system support])
2580     fi
2581     eval "with_${feature}=no"
2582   done
2583 else
2584   test -z "with_toolbars" && with_toolbars=yes
2585 fi
2586
2587 dnl Test for features that require X11 support
2588 if test "$with_x11" != "yes"; then
2589   for feature in offix wmcommand xim xmu nas_sound
2590   do
2591     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2592        AC_MSG_WARN([--with-$feature ignored:  Not valid without X support])
2593     fi
2594     eval "with_${feature}=no"
2595   done
2596 fi
2597
2598 dnl Balloon Help requires the Shape extension, not available everywhere,
2599 dnl for example not on AIX 4.3.
2600 if test "$with_x11" = "yes"; then
2601   AC_CHECK_HEADER(X11/extensions/shape.h, [
2602    AC_DEFINE([HAVE_BALLOON_HELP], [1], [Description here!])
2603    SXE_ADD_SXEUIX11_OBJS(balloon_help.o balloon-x.o)
2604    ])
2605 fi
2606
2607 dnl FSF 19.29 has some bitmapdir stuff here.
2608 bitmapdir=
2609
2610 case "$window_system" in
2611   x11  ) HAVE_X_WINDOWS=yes; echo "  Using X11." ;;
2612   none ) HAVE_X_WINDOWS=no ; echo "  Using no window system." ;;
2613 esac
2614
2615 if test -n "$window_system" -a "$window_system" != "none"; then
2616         AC_DEFINE_UNQUOTED([HAVE_WINDOW_SYSTEM], [1], [Description here!])
2617 fi
2618
2619 case "$x_libraries" in *X11R4* )
2620   test "$opsys" = "hpux9"     && opsysfile="s/hpux9-x11r4.h"
2621   test "$opsys" = "hpux9-shr" && opsysfile="s/hpux9shxr4.h"
2622 esac
2623
2624 dnl Enable or disable proper handling of WM_COMMAND
2625 AS_MESSAGE(checking for WM_COMMAND option);
2626 dnl if test "$with_wmcommand" = "yes"; then
2627 if test "$with_wmcommand" != "no"; then
2628   AC_DEFINE([HAVE_WMCOMMAND], [1], [Description here!])
2629 fi
2630
2631 dnl Autodetect Xauth
2632 dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
2633 test "$with_xauth" != "no" && test "$window_system" = "none" && with_xauth=no
2634 SXE_DUMP_LIBS
2635 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2636 LDFLAGS="$LDFLAGS $X_LIBS"
2637 AC_CHECK_HEADER([X11/Xauth.h], [:], [with_xauth=no])
2638 AC_CHECK_LIB([Xau], [XauGetAuthByAddr], [:], [with_xauth=no])
2639 if test "$with_xauth" = "yes"; then
2640   AC_DEFINE([HAVE_XAUTH], [1], [Description here!])
2641   SXE_CONSECUTIVE_UNDUP([libs_xauth], [$X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS])
2642 fi
2643 SXE_RESTORE_LIBS
2644 AC_SUBST(libs_xauth)
2645
2646 dnl ----------------------
2647 dnl X-Specific Graphics libraries
2648 dnl ----------------------
2649
2650 ## Oki, now that we really need a more exhaustive way to autodetect
2651 ## athena and other widgets we construct a chain.  The elements of
2652 ## that chain are simple atomic tests (provided by AC_DEFUNs).
2653 ## The chain is defined to be:
2654 ##
2655 ## neXtaw -> Xaw3d -> XawXpm -> Xaw95  ->  Xaw  ->  Motif  ->  Nirvana
2656 ## ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^      ^^^      ^^^^^
2657 ##         3d sets                       non-3d   non-athena
2658 ##
2659 ## Now if the user passes a --with-athena=foo option, we jump
2660 ## directly to the according test-suite and in case this fails we jump
2661 ## off the cliff.
2662 ##
2663 ## Attention:
2664 ## We shall perform every test-suite twice, once the correct way, and
2665 ## once with #include'ing the Xfuncproto header.
2666 ## Thanks to the many, many distributions which treat their users
2667 ## like braindead zombies!
2668 ## Especially, I would like to thank Fedora/RedHat for bringing
2669 ## this up. Go on guys, you rock!
2670
2671 ## and now the test chain
2672 if test "$with_x11" = "yes" -a "$with_x" != "no"; then
2673         SXE_CHECK_XTOOLKITS
2674         SXE_CHECK_XT_DEPENDENCIES
2675 else
2676         with_menubars=no
2677         with_scrollbars=no
2678         with_dialogs=no
2679         with_toolbars=no
2680         with_widgets=no
2681 fi
2682
2683 dnl Always compile OffiX unless --without-offix is given, no
2684 dnl X11 support is compiled in, no standard Xmu is available,
2685 dnl or dragndrop support is disabled
2686 dnl Because OffiX support currently loses when more than one display
2687 dnl is in use, we now disable it by default -slb 07/10/1998.
2688 test "$window_system" != "x11" && with_offix=no
2689 if test "$with_xmu" != yes -a "$with_x11" = yes; then
2690   if test "$with_offix" = "yes" ; then
2691     AC_MSG_WARN([--with-offix forced to `no'; no real Xmu support])
2692   fi
2693   with_offix=no
2694 fi
2695 if test "$with_dragndrop" = "no" ; then
2696   if test "$with_offix" = "yes" ; then
2697     AC_MSG_WARN([--with-offix forced to `no'; no generic Drag'n'Drop support])
2698   fi
2699   with_offix=no
2700 fi
2701 if test "$with_offix" = "yes"; then
2702   AC_DEFINE([HAVE_OFFIX_DND], [1], [Description here!])
2703   SXE_APPEND(offix.o, dnd_objs)
2704   SXE_APPEND(OffiX, dragndrop_proto)
2705 fi
2706
2707
2708 ## TTY Options
2709 ## ===========
2710 echo
2711 echo "TTY Options"
2712 echo "==========="
2713
2714
2715 dnl ---------------------
2716 dnl TTY-dependent options
2717 dnl ---------------------
2718
2719 dnl checks for header files
2720 AC_CHECK_HEADERS([libintl.h nlist.h sgtty.h termio.h termios.h])
2721
2722 AS_IF([test "$with_tty" != "no"],[
2723    AS_MESSAGE(checking for TTY-related features)
2724    dnl Check if needed calls are available at all...
2725    tty_libs="ncurses curses terminfo termlib termcap"
2726    tty_funcs="tgetent tgetstr tgetflag tparm tgoto tputs"
2727    for func in $tty_funcs; do
2728        AC_SEARCH_LIBS($func,$tty_libs)
2729    done
2730    AS_IF([test "$ac_cv_search_tgetent"  = "no" -a \
2731                "$ac_cv_search_tgetflag" = "no" -a \
2732                "$ac_cv_search_tgetstr"  = "no" -a \
2733                "$ac_cv_search_tgoto"    = "no" -a \
2734                "$ac_cv_search_tparm"    = "no" -a \
2735                "$ac_cv_search_tputs"    = "no" ],
2736                    have_tty=no)
2737    AS_IF([test "$with_tty" = "yes" -a "$have_tty" = "no" ],[
2738       AC_MSG_ERROR([Your system lacks necessary functions for requested TTY support])])
2739 ],[
2740   for feature in ncurses curses termcap terminfo termlib gpm; do
2741     if eval "test -n \"\$with_${feature}\" -a \"\$with_${feature}\" != no" ; then
2742       AC_MSG_WARN([--with-${feature} ignored:  Not valid without TTY support])
2743     fi
2744     eval "with_${feature}=no"
2745   done
2746 ])
2747
2748 AS_IF([test "$with_tty" != "no" -a "$have_tty" != "no" ],[
2749    for lib in $tty_libs; do
2750       SXE_CHECK_LINK_LIB($lib, , eval have_${lib}=no)
2751       with_lib_eval=`eval echo \\$with_$lib`
2752       have_lib_eval=`eval echo \\$have_$lib`
2753       AS_IF([test "$have_lib_eval" = "yes" ], [
2754          for func in $tty_funcs; do
2755              AC_CHECK_LIB($lib, tgetent)
2756              AC_CHECK_LIB($lib, tgetstr)
2757              AC_CHECK_LIB($lib, tgetflags)
2758              AC_CHECK_LIB($lib, tparm)
2759              AC_CHECK_LIB($lib, tgoto)
2760              AC_CHECK_LIB($lib, tputs)
2761          done
2762       ])
2763       have_lib_eval=`eval echo \\$have_$lib`
2764       AS_IF([test "$with_lib_eval" = "yes" -a \
2765                   "$have_lib_eval" = "no" ],
2766         AC_MSG_WARN([Errors detected trying to use requested $lib. Continuing with autodetection.]))
2767    done
2768    AS_IF([test "$sxe_cv_c_lib_ncurses"  = "no" -a \
2769                "$sxe_cv_c_lib_curses"   = "no" -a \
2770                "$sxe_cv_c_lib_termcap"  = "no" -a \
2771                "$sxe_cv_c_lib_terminfo" = "no" -a \
2772                "$sxe_cv_c_lib_termlib"  = "no"],
2773                    have_tty=no)
2774    AS_IF([test "$with_tty" = "yes" -a "$have_tty" = "no"],
2775       AC_MSG_ERROR([Your system lacks necessary libraries for requested TTY support.]))
2776 ])
2777
2778
2779 AS_IF([test "$with_tty" != "no" -a "$have_tty" != "no" ],[
2780     AC_DEFINE([HAVE_NCURSES], [1], [Description here!])
2781     with_ncurses=yes
2782     AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2783     if test -z "$curses_h_file"; then
2784             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2785     fi
2786     if test -n "$curses_h_file"; then
2787             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2788             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2789     else
2790             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2791             AC_CHECK_HEADER(termcap.h, termcap_h_file=termcap.h)
2792             AC_CHECK_HEADER(term.h,    term_h_file=term.h)
2793     fi
2794     SXE_ADD_SXEUITTY_OBJS(terminfo.o)
2795     SXE_PREPEND(-lncurses, LIBS)
2796
2797     if test -z "$curses_h_file" ; then
2798       dnl Try again, and check for the bogus ncurses/ include bug.
2799       dnl (i.e. ncurses/curses.h bogusly includes <unctrl.h> instead of
2800       dnl <ncurses/unctrl.h>)
2801       save_c_switch_site="$c_switch_site"
2802       c_switch_site="$c_switch_site -I/usr/include/ncurses"
2803       AC_CHECK_HEADER(ncurses/ncurses.h, curses_h_file=ncurses/ncurses.h)
2804       if test -z "$curses_h_file"; then
2805             AC_CHECK_HEADER(ncurses/curses.h,  curses_h_file=ncurses/curses.h)
2806       fi
2807       if test -n "$curses_h_file"; then
2808             AC_CHECK_HEADER(ncurses/termcap.h, termcap_h_file=ncurses/termcap.h)
2809             AC_CHECK_HEADER(ncurses/term.h, term_h_file=ncurses/term.h)
2810       else
2811             AC_CHECK_HEADER(ncurses.h, curses_h_file=ncurses.h)
2812             AC_CHECK_HEADER(termcap.h, curses_h_file=termcap.h)
2813             AC_CHECK_HEADER(term.h,    curses_h_file=term.h)
2814       fi
2815       if test -n "$curses_h_file"
2816         then AC_MSG_WARN([Your system has the bogus ncurses include bug.])
2817         else c_switch_site="$save_c_switch_site"
2818       fi
2819     fi
2820 ])
2821
2822 AS_IF([test "$with_tty" != "no" -a "$have_ncurses" != "no" ],[
2823   if test "$with_ncurses" = "no" -o -z "$curses_h_file" ; then
2824
2825     # Check alternate library includes
2826     for lib in curses term terminfo termcap; do
2827         AC_CHECK_HEADER(${lib}.h, [
2828                 eval ${lib}_h_file=${lib}.h
2829                 AC_CHECK_LIB($lib, tgetent, eval have_${lib}=yes, eval have_${lib}=no)
2830                 AC_CHECK_LIB($lib, tgetstr, , eval have_${lib}=no)])
2831     done
2832
2833     for lib in curses terminfo termlib termcap; do
2834           have_lib_eval=`eval echo \\$have_$lib`
2835           if test "$have_lib_eval" = "yes"; then
2836                 AC_CHECK_LIB($lib, tparm,
2837                           SXE_ADD_SXEUITTY_OBJS(terminfo.o),
2838                           SXE_ADD_SXEUITTY_OBJS(tparam.o))
2839                 SXE_PREPEND(-l${lib}, LIBS)
2840                 break
2841           fi
2842     done
2843   fi
2844   if test -n "$curses_h_file"; then
2845         AC_DEFINE_UNQUOTED([HAVE_CURSES_H], [1], [There is a curses.h header file available])
2846   fi
2847   if test -n "$termcap_h_file"; then
2848         AC_DEFINE_UNQUOTED([HAVE_TERMCAP_H], [1], [There is a termcap.h header available])
2849   fi
2850   if test -n "$term_h_file"; then
2851         AC_DEFINE_UNQUOTED([HAVE_TERM_H], [1], [There is a term.h header available])
2852   fi
2853   AC_DEFINE_UNQUOTED([CURSES_H_FILE], ["${curses_h_file-curses.h}"], [The curses.h header file])
2854   AC_DEFINE_UNQUOTED([TERMCAP_H_FILE], ["${termcap_h_file-termcap.h}"], [The termcap.h header file])
2855   AC_DEFINE_UNQUOTED([TERM_H_FILE], ["${term_h_file-term.h}"], [The term.h header file])
2856 ])
2857
2858 AS_IF([test "$with_tty" != "no" -a "$have_tty" != no], [
2859         AC_DEFINE([HAVE_TTY], [1], [Include TTY support for SXEmacs])
2860         AC_DEFINE([HAVE_UNIXOID_EVENT_LOOP], [1], [Include Unixoid event loop - TTY provided])
2861         SXE_ADD_SXEUITTY_OBJS([console-tty.o device-tty.o event-tty.o frame-tty.o objects-tty.o redisplay-tty.o cm.o])
2862 ])
2863 AS_IF([test "$with_tty" != "no" -a "$have_tty" != no], [
2864   dnl General Purpose Mouse (libgpm) support
2865   AS_IF([test "$with_gpm" != "no"], [
2866     AC_CHECK_HEADER(gpm.h, [
2867       AC_CHECK_LIB(gpm, Gpm_Open, have_gpm=yes)])
2868     AS_IF([test "$have_gpm" = "yes"], [
2869       with_gpm=yes
2870       AC_DEFINE([HAVE_GPM], [1], [General Purpose Mouse (libgpm) is available])
2871       SXE_ADD_SXEUITTY_OBJS(gpmevent.o)
2872       SXE_PREPEND(-lgpm, LIBS) ],[ with_gpm=no ])
2873   ])
2874 ])
2875
2876 SXE_CHECK_UI_SUFFICIENCY
2877
2878 AS_IF([test -z "$window_system" -o "$window_system" = "none" ], [
2879     dnl It ought to be reasonable to have no output device at all, and only use
2880     dnl SXEmacs in --batch mode.
2881     AS_IF([test "$have_tty" = "no"],
2882        AC_MSG_ERROR([No window system nor TTY support. SXEmacs cannot be compiled.
2883 Check INSTALL and PROBLEMS files for hints on how to solve.]))
2884 ])
2885
2886 ## Uncertain options
2887 ## =================
2888 echo
2889 echo "Uncertain options"
2890 echo "================="
2891
2892 ## for native xml support one day
2893 SXE_LANG_CHECK_XML
2894 SXE_CHECK_SUFFICIENCY([libxml2], [xml language])
2895 ## for BoehmGC support one day
2896 SXE_CHECK_BDWGC
2897 SXE_CHECK_SUFFICIENCY([bdwgc], [Boehm-Demers-Weiser GC])
2898
2899 if test "$with_experimental_features_bdwgc" = "yes"; then
2900         AC_MSG_CHECKING([if bdwgc prerequisites are met])
2901         AC_MSG_RESULT([${have_bdwgc}])
2902         have_experimental_features_bdwgc=${have_bdwgc}
2903         if test "${have_bdwgc}" = "yes"; then
2904                 AC_DEFINE([EF_USE_BDWGC], [1],
2905                         [Whether to actually use the BDWGC!])
2906         fi
2907 fi
2908
2909
2910 dnl This one is for the static initializeds variables in
2911 dnl offix.c, so that the thing is dumped after lastfile.o
2912 AC_SUBST(dnd_objs)
2913
2914 dnl Autodetect dll support
2915
2916 LIBSTDCPP=
2917 AC_SUBST(LIBSTDCPP)
2918
2919
2920 ## Multimedia Options
2921 ## ==================
2922 echo
2923 echo "Multimedia Options"
2924 echo "=================="
2925
2926 dnl ----------------------
2927 dnl Graphics libraries
2928 dnl ----------------------
2929
2930 if test "$with_image_xpm" = "yes"; then
2931         SXE_MM_CHECK_XPM([have_image_xpm=yes], [have_image_xpm=no])
2932
2933         AC_MSG_CHECKING([for sufficient xpm support])
2934         if test "$have_image_xpm" = "yes"; then
2935                 AC_MSG_RESULT([yes])
2936                 AC_DEFINE([HAVE_XPM], [1], [Description here!])
2937                 SXE_PREPEND([-lXpm], [MM_LIBS])
2938         else
2939                 AC_MSG_RESULT([no])
2940                 have_image_xpm=no
2941         fi
2942 fi
2943 AM_CONDITIONAL([WITH_BDWGC],
2944         [test "$with_experimental_features_bdwgc" = "yes" -a \
2945               "$have_bdwgc" = "yes"])
2946
2947 if test "$with_image_xface" = "yes"; then
2948         SXE_MM_CHECK_XFACE([have_image_xface=yes], [have_image_xface=no])
2949
2950         AC_MSG_CHECKING([for sufficient xface support])
2951         if test "$have_image_xface" = "yes"; then
2952                 AC_MSG_RESULT([yes])
2953                 AC_DEFINE([HAVE_XFACE], [1], [dnl
2954                         Both compface.h and libcompface have been found.])
2955                 SXE_PREPEND([-lcompface], [MM_LIBS])
2956         else
2957                 AC_MSG_RESULT([no])
2958                 have_image_xface=no
2959         fi
2960 fi
2961
2962 if test "$with_image_gif" = "yes"; then
2963         SXE_MM_CHECK_GIF([have_image_gif=yes], [have_image_gif=no])
2964
2965         AC_MSG_CHECKING([for sufficient gif support])
2966         if test "$have_image_gif" = "yes"; then
2967                 AC_MSG_RESULT([yes])
2968                 AC_DEFINE([HAVE_GIF], [1], [Enable internal GIF decoding])
2969                 SXE_ADD_MM_OBJS(dgif_lib.o gif_io.o)
2970         else
2971                 AC_MSG_RESULT([no])
2972         fi
2973 fi
2974
2975 SXE_MM_SEARCH_INFLATE
2976
2977 if test "$with_image_jpeg" = "yes"; then
2978         SXE_MM_CHECK_JPEG([have_image_jpeg=yes], [have_image_jpeg=no])
2979
2980         AC_MSG_CHECKING([for sufficient jpeg support])
2981         if test "$have_image_jpeg" = "yes"; then
2982                 AC_MSG_RESULT([yes])
2983                 AC_DEFINE([HAVE_JPEG], [1], [
2984                         Both jpeglib.h and libjpeg have been found.])
2985                 SXE_PREPEND([-ljpeg], [MM_LIBS])
2986         else
2987                 AC_MSG_RESULT([no])
2988         fi
2989 fi
2990
2991 if test "$with_image_png" = "yes"; then
2992         AC_DEFINE([WITH_PNG], [1], [Define to 1 if png support is desired.])
2993         SXE_MM_CHECK_PNG([have_image_png="yes"], [have_image_png="no"])
2994
2995         SXE_MSG_CHECKING([for sufficient PNG support])
2996         SXE_MSG_RESULT([${sxe_cv_feat_png}])
2997         if test "$sxe_cv_feat_png" = "yes"; then
2998                 SXE_PREPEND_UNDUP([$PNG_CPPFLAGS], [MM_CPPFLAGS])
2999                 SXE_PREPEND_UNDUP([$PNG_LDFLAGS], [MM_LDFLAGS])
3000                 SXE_PREPEND([$PNG_LIBS], [MM_LIBS])
3001         fi
3002 fi
3003
3004 if test "$with_image_tiff" = "yes"; then
3005         SXE_MM_CHECK_TIFF([have_image_tiff=yes], [have_image_tiff=no])
3006
3007         AC_MSG_CHECKING([for sufficient TIFF support])
3008         if test "$have_image_tiff" = "yes"; then
3009                 AC_MSG_RESULT([yes])
3010                 AC_DEFINE([HAVE_TIFF], [1], [
3011                         Both tiffio.h and libtiff have been found.])
3012                 SXE_PREPEND([-ltiff], [MM_LIBS])
3013         else
3014                 AC_MSG_RESULT([no])
3015         fi
3016 fi
3017
3018 dnl Check for audio output and media stream libraries.
3019
3020 dnl internal media stream analysis support
3021 if test "$with_media_internal" != "no"; then
3022         need_media_internal=yes
3023         have_media_internal=yes
3024 fi
3025
3026 ## Since almost any of the below tests uses pkgconfig we make a
3027 ## once-for-all-times check now
3028 SXE_SEARCH_CONFIG_PROG([pkg-config])
3029 if test "$have_pkg_config" = "yes" -a -n "$with_site_prefixes"; then
3030         for dir in $with_site_prefixes; do
3031                 pkgcfg_dir="${dir}/lib/pkgconfig"
3032                 if test -n "$PKG_CONFIG_PATH"; then
3033                    PKG_CONFIG_PATH="$PKG_CONFIG_PATH":"$pkgcfg_dir"
3034                 else
3035                    PKG_CONFIG_PATH="$pkgcfg_dir"
3036                 fi
3037         done
3038         export PKG_CONFIG_PATH
3039 fi
3040
3041 dnl libsndfile support
3042 if test "$with_media_sndfile" != "no"; then
3043         SXE_MM_CHECK_SNDFILE([have_media_sndfile=yes], [have_media_sndfile=no])
3044
3045         AC_MSG_CHECKING([for sufficient sndfile support])
3046         if test "$have_media_sndfile" = "yes"; then
3047                 AC_MSG_RESULT([yes])
3048                 SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
3049                 SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags sndfile`
3050                 SNDFILE_VERSION=`$PKG_CONFIG --modversion sndfile`
3051                 SXE_PREPEND([$SNDFILE_LIBS], [MM_LIBS])
3052                 SXE_PREPEND_UNDUP([$SNDFILE_CPPFLAGS], [MM_CPPFLAGS])
3053                 SXE_ADD_MM_OBJS([media-sndfile.o])
3054                 AC_DEFINE([HAVE_SNDFILE], [1],
3055                         [Whether we appear to have support for the sndfile library!])
3056                 AC_DEFINE_UNQUOTED([SNDFILE_VERSION], [$SNDFILE_VERSION],
3057                         [Version of the sndfile library!])
3058         else
3059                 AC_MSG_RESULT([no])
3060                 have_media_sndfile=no
3061         fi
3062 fi
3063
3064 dnl libavcodec/libavformat/ffmpeg support
3065 if test "$with_media_ffmpeg" != "no"; then
3066         SXE_MM_CHECK_FFMPEG([have_media_ffmpeg=yes], [have_media_ffmpeg=no])
3067
3068         AC_MSG_CHECKING([for sufficient FFmpeg support])
3069
3070         if test "$have_media_ffmpeg" = "yes"; then
3071                 AC_MSG_RESULT([yes])
3072                 FFMPEG_LIBS=`$PKG_CONFIG --libs libavformat`
3073                 FFMPEG_CPPFLAGS=`$PKG_CONFIG --cflags libavformat`
3074                 SXE_PREPEND($FFMPEG_LIBS, MM_LIBS)
3075                 SXE_PREPEND_UNDUP($FFMPEG_CPPFLAGS, MM_CPPFLAGS)
3076                 SXE_ADD_MM_OBJS([media-ffmpeg.o])
3077                 AC_DEFINE([HAVE_FFMPEG], [1], [Description here!])
3078         else
3079                 AC_MSG_RESULT([no])
3080                 have_media_ffmpeg=no
3081         fi
3082 fi
3083
3084 dnl sox support
3085 if test "$with_media_sox" != "no"; then
3086         SXE_MM_CHECK_SOX([have_media_sox=yes], [have_media_sox=no])
3087
3088         AC_MSG_CHECKING([for sufficient SoX support])
3089         if test "$sxe_cv_feat_sox" = "yes"; then
3090                 AC_MSG_RESULT([yes])
3091                 SXE_ADD_MM_OBJS([media-sox.o])
3092                 SXE_PREPEND_UNDUP([$sox_cppflags], [MM_CPPFLAGS])
3093                 SXE_PREPEND_UNDUP([$sox_ldflags], [MM_LDFLAGS])
3094                 SXE_PREPEND([$sox_libs], [MM_LIBS])
3095                 AC_DEFINE([HAVE_SOX], [1], [Description here!])
3096         else
3097                 AC_MSG_RESULT(no)
3098                 have_media_sox=no
3099         fi
3100 fi
3101
3102 dnl mad support
3103 if test "$with_media_mad" != "no"; then
3104         SXE_MM_CHECK_MAD([have_media_mad=yes], [have_media_mad=no])
3105
3106         AC_MSG_CHECKING([for sufficient mad support])
3107         if test "$have_media_mad" = "yes"; then
3108                 AC_MSG_RESULT([yes])
3109                 SXE_ADD_MM_OBJS([media-mad.o])
3110                 SXE_PREPEND([-lmad], [MM_LIBS])
3111                 AC_DEFINE([HAVE_MAD], [1], [Description here!])
3112         else
3113                 AC_MSG_RESULT(no)
3114                 have_media_mad=no
3115         fi
3116 fi
3117
3118 ## file/libmagic support
3119 if test "$with_media_magic" != "no"; then
3120         SXE_MM_CHECK_MAGIC([have_media_magic=yes], [have_media_magic=no])
3121
3122         AC_MSG_CHECKING([for sufficient magic support])
3123         if test "$have_media_magic" = "yes"; then
3124                 AC_MSG_RESULT([yes])
3125                 SXE_ADD_MM_OBJS([media-magic.o])
3126                 SXE_PREPEND([-lmagic], [MM_LIBS])
3127                 AC_DEFINE([HAVE_MAGIC], [1], [Whether libmagic is available])
3128         else
3129                 AC_MSG_RESULT([no])
3130                 have_media_magic=no
3131         fi
3132 fi
3133
3134
3135 dnl Autodetect OSS sound
3136 AS_MESSAGE([checking for OSS sound support])
3137 dnl test -z "$with_sound_oss" -a -n "$with_oss_sound_lib" && with_sound_oss=yes
3138
3139 dnl Check for Linux/BSD sound (called OSS)
3140 if test "$with_sound_oss" != "no"; then
3141         SXE_MM_CHECK_OSS([have_sound_oss=yes], [have_sound_oss=no])
3142
3143         AC_MSG_CHECKING([for sufficient OSS support])
3144         if test "$have_sound_oss" = "yes"; then
3145                 AC_MSG_RESULT([yes])
3146                 SXE_ADD_MM_OBJS([sound-oss.o])
3147                 AC_DEFINE([HAVE_INTERNAL_SOUND], [1], [Description here!])
3148                 AC_DEFINE([HAVE_OSS_SOUND], [1], [Description here!])
3149         else
3150                 AC_MSG_RESULT([no])
3151                 have_sound_oss=yes
3152         fi
3153 fi
3154
3155 dnl NAS Sound support
3156 if test "$with_sound_nas" != "no"; then
3157         SXE_MM_CHECK_NAS([have_sound_nas=yes], [have_sound_nas=no])
3158
3159         AC_MSG_CHECKING([for sufficient NAS support])
3160         if test "$have_sound_nas" = "yes"; then
3161                 AC_MSG_RESULT([yes])
3162                 AC_DEFINE([HAVE_NAS_SOUND], [1], [Description here!])
3163                 SXE_ADD_MM_OBJS([sound-nas.o])
3164                 SXE_PREPEND([-laudio], [MM_LIBS])
3165         else
3166                 AC_MSG_RESULT([no])
3167                 have_nas_sound=no
3168         fi
3169 fi
3170
3171 dnl ESD Sound support
3172 if test "$with_sound_esd" != "no"; then
3173         SXE_MM_CHECK_ESD([have_sound_esd=yes], [have_sound_esd=no])
3174
3175         AC_MSG_CHECKING([for sufficient ESD support])
3176         if test "$have_sound_esd" = "yes"; then
3177                 AC_MSG_RESULT([yes])
3178                 need_internal_media=yes
3179                 SXE_ADD_MM_OBJS([sound-esd.o])
3180                 ESD_LIBS=$("${ESD_CONFIG}" --libs)
3181                 SXE_PREPEND(["${ESD_LIBS}"], [MM_LIBS])
3182                 AC_DEFINE([HAVE_ESD_SOUND], [1], [Description here!])
3183         else
3184                 AC_MSG_RESULT([no])
3185                 have_esd_sound=no
3186         fi
3187 fi
3188
3189 dnl PulseAudio Sound support
3190 if test "$with_sound_pulse" != "no"; then
3191         SXE_MM_CHECK_PULSE([have_sound_pulse=yes], [have_sound_pulse=no])
3192
3193         AC_MSG_CHECKING([for sufficient PulseAudio support])
3194         if test "$have_sound_pulse" = "yes"; then
3195                 AC_MSG_RESULT([yes])
3196                 need_internal_media=yes
3197                 SXE_ADD_MM_OBJS([sound-pulse.o])
3198                 SXE_PREPEND($PULSE_LIBS, MM_LIBS)
3199                 SXE_PREPEND_UNDUP($PULSE_CFLAGS, MM_CPPFLAGS)
3200                 AC_DEFINE([HAVE_PULSE_SOUND], [1],
3201                         [Whether to put in support for PulseAudio.])
3202         else
3203                 AC_MSG_RESULT(no)
3204                 have_sound_pulse=no
3205         fi
3206 fi
3207
3208 dnl Jack Sound support
3209 if test "$with_sound_jack" != "no"; then
3210         SXE_MM_CHECK_JACK([have_sound_jack=yes], [have_sound_jack=no])
3211
3212         AC_MSG_CHECKING([for sufficient Jack support])
3213         if test "$have_sound_jack" = "yes"; then
3214                 AC_MSG_RESULT([yes])
3215                 dnl okay, we have Jack on the system, but we have no working
3216                 dnl interface to it :(
3217                 JACK_LIBS=`$PKG_CONFIG --libs jack`
3218                 JACK_VERSION=`$PKG_CONFIG --modversion jack`
3219                 need_internal_media=yes
3220                 SXE_ADD_MM_OBJS([sound-jack.o])
3221                 SXE_PREPEND([$JACK_LIBS], [MM_LIBS])
3222                 AC_DEFINE([HAVE_JACK_SOUND], [1], [Description here!])
3223                 AC_DEFINE_UNQUOTED([JACK_VERSION], [$JACK_VERSION],
3224                         [Description here!])
3225         else
3226                 AC_MSG_RESULT(no)
3227         fi
3228 fi
3229
3230 dnl alsa sound support
3231 if test "$with_sound_alsa" != "no"; then
3232         SXE_MM_CHECK_ALSA([have_sound_alsa=yes], [have_sound_alsa=no])
3233
3234         AC_MSG_CHECKING([for sufficient ALSA support])
3235         if test "$have_sound_alsa" = "yes"; then
3236                 AC_MSG_RESULT([yes])
3237                 SXE_ADD_MM_OBJS([sound-alsa.o])
3238                 SXE_PREPEND([-lasound], [MM_LIBS])
3239         else
3240                 AC_MSG_RESULT(no)
3241                 have_sound_alsa=no
3242         fi
3243 fi
3244
3245 dnl libao sound support
3246 if test "$with_sound_ao" != "no"; then
3247         SXE_MM_CHECK_AO([have_sound_ao=yes], [have_sound_ao=no])
3248
3249         AC_MSG_CHECKING([for sufficient AO support])
3250         if test "$have_sound_ao" = "yes"; then
3251                 AC_MSG_RESULT([yes])
3252                 AO_LIBS=`$PKG_CONFIG --libs ao`
3253                 ao_version=`$PKG_CONFIG --modversion ao`
3254                 SXE_ADD_MM_OBJS([sound-ao.o])
3255                 SXE_PREPEND($AO_LIBS, MM_LIBS)
3256                 AC_DEFINE([HAVE_AO_SOUND], [1], [Description here!])
3257                 AC_DEFINE_UNQUOTED([AO_VERSION], [$ao_version], [Description here!])
3258         else
3259                 AC_MSG_RESULT(no)
3260                 have_sound_ao=no
3261         fi
3262 fi
3263
3264 if test \
3265    "$have_sound_alsa \
3266     $have_sound_ao \
3267     $have_sound_esd \
3268     $have_sound_jack \
3269     $have_sound_nas \
3270     $have_sound_pulse" != "no no no no no no"; then
3271         AC_DEFINE([HAVE_AUDIO], [1], [Description here!])
3272 fi
3273 if test "$need_internal_media" = "yes"; then
3274         with_internal_media=yes
3275         AC_DEFINE([HAVE_INTERNAL_MEDIA], [1], [Description here!])
3276         SXE_ADD_MM_OBJS([media-internal.o])
3277 fi
3278 AC_SUBST([MM_LIBS])
3279 AC_SUBST([MM_CPPFLAGS])
3280 AC_SUBST([MM_LDFLAGS])
3281 SXE_SUBST_MM_OBJS
3282
3283
3284 ## Internationalisation Options
3285 ## ============================
3286 echo
3287 echo "Internationalisation Options"
3288 echo "============================"
3289
3290 dnl ----------------------
3291 dnl Mule-dependent options
3292 dnl ----------------------
3293
3294 dnl if test "$with_mule" = "yes" && test ! -d "$sxe_srcdir/lisp/mule"; then
3295 dnl     echo "Attempt to Build with Mule without Mule/Lisp"
3296 dnl     echo "Please install the SXEmacs/Mule tarball or"
3297 dnl     echo "rerun configure with --with-mule=no"
3298 dnl     exit 1
3299 dnl fi
3300
3301 if test "$with_file_coding" = "yes" && test "$with_mule" = "no"; then
3302   AC_DEFINE([FILE_CODING], [1], [Description here!])
3303   SXE_ADD_MULE_OBJS(file-coding.o)
3304 fi
3305
3306 if test "$with_mule" = "yes" ; then
3307         SXE_CHECK_MULE
3308
3309 else dnl "$with_mule" = "no"
3310         for feature in xim canna wnn; do
3311                 if eval "test -n \"\$with_${feature}\" -a \
3312                         \"\$with_${feature}\" != no" ; then
3313                         AC_MSG_WARN([--with-${feature} ignored:  Not valid without Mule support])
3314                 fi
3315                 eval "with_${feature}=no"
3316         done
3317 fi dnl with_mule
3318 SXE_SUBST_MULE_OBJS
3319 AM_CONDITIONAL([WITH_MULE], [test "$with_mule" = "yes"])
3320
3321
3322 dnl At this point, we know whether we need the motif lib or not.
3323 if test "$need_motif" = "yes" ; then
3324         SXE_PREPEND([-lXm], [libs_x])
3325         dnl AIX needs the following library for use with Motif
3326         AC_CHECK_LIB([i18n], [layout_object_getvalue])
3327         if test "$ac_cv_lib_i18n_layout_object_getvalue" = "yes"; then
3328                 SXE_PREPEND([-li18n], [libs_x])
3329         fi
3330 fi
3331
3332 dnl getaddrinfo() is borked under hpux11
3333 if test "$ac_cv_func_getaddrinfo" != "no" ; then
3334   case "$opsys" in
3335     hpux11 )
3336       AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
3337       ac_cv_func_getaddrinfo=no
3338       ;;
3339   esac
3340 fi
3341
3342
3343 ## Database Options
3344 ## ================
3345 echo
3346 echo "Database Options"
3347 echo "================"
3348
3349 dnl Database support
3350 dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
3351 dnl On FreeBSD, both DB and DBM are part of libc.
3352 dnl By default, we check for DBM support in libgdbm, then libc, then libdbm.
3353
3354 ## initialise values
3355 have_database_berkdb=no
3356 have_database_gdbm=no
3357 have_database_dbm=no
3358
3359 if test "$with_database_gdbm $with_database_dbm $with_database_berkdb" \
3360    != "no no no"; then
3361         AS_MESSAGE(checking for database support)
3362 fi
3363
3364 dnl Check for ndbm.h, required for either kind of DBM support.
3365 if test "$with_database_gdbm $with_database_dbm" != "no no"; then
3366         SXE_CHECK_NDBM
3367         if test "$sxe_cv_feat_ndbm" = "no"; then
3368                 have_database_gdbm="no"
3369                 have_database_dbm="no"
3370         fi
3371 fi
3372
3373 dnl Check for DBM support in libgdbm or libgdbm_compat.
3374 if test "$with_database_gdbm" != "no"; then
3375         SXE_CHECK_GDBM
3376
3377         if test "$sxe_cv_feat_gdbm" = "yes"; then
3378                 have_database_gdbm="yes"
3379         else
3380                 have_database_gdbm="no"
3381         fi
3382 fi
3383
3384 dnl Check for DBM support in libc and libdbm.
3385 if test "$with_database_dbm" != "no"; then
3386         SXE_CHECK_DBM
3387
3388         if test "$sxe_cv_feat_gdbm" != "yes" -a \
3389                 "$sxe_cv_feat_dbm" = "yes"; then
3390                 have_database_dbm="yes"
3391         else
3392                 have_database_dbm="no"
3393         fi
3394 fi
3395
3396 dnl Check for Berkeley DB.
3397 if test "$with_database_berkdb" != "no"; then
3398         SXE_CHECK_BERKDB
3399
3400         if test "$sxe_cv_feat_berkdb" = "yes"; then
3401                 have_database_berkdb="yes"
3402         else
3403                 have_database_berkdb="no"
3404         fi
3405 fi
3406
3407 if test "$have_database_gdbm $have_database_dbm $have_database_berkdb" \
3408      != "no no no"; then
3409         AC_DEFINE([HAVE_DATABASE], [1], [Description here!])
3410         SXE_ADD_DB_OBJS([database.o])
3411
3412         SXE_CHECK_NDBM_BERKDB_CONFLICT
3413         if test "$sxe_cv_db_ndbm_berkdb_conflict" = "yes"; then
3414                 ## can't do nothing because the way we designed it
3415                 ## is going to conflict at compile time
3416                 have_database_gdbm="no"
3417                 have_database_dbm="no"
3418
3419         elif test "$have_database_gdbm $have_database_dbm" != "no no"; then
3420                 AC_DEFINE([HAVE_DBM], [1], [Description here!])
3421
3422                 ## Also, tell make about the DBM support we detected.
3423                 if test -n "$libdbm"; then
3424                         SXE_PREPEND([$libdbm], [DB_LIBS])
3425                 fi
3426         fi
3427 fi
3428
3429
3430 dnl Autodetect LDAP
3431 if test "$with_ldap" != "no"; then
3432         SXE_CHECK_LDAP
3433 fi
3434 if test "$have_ldap" = "yes"; then
3435         AC_DEFINE([HAVE_LDAP], [1], [Description here!])
3436         SXE_ADD_DB_OBJS(eldap.o)
3437         if test "$have_ldap_des" = "yes" ; then
3438                 SXE_PREPEND(-ldes, DB_LIBS)
3439         fi
3440         if test "$have_ldap_krb" = "yes" ; then
3441                 SXE_PREPEND(-lkrb, DB_LIBS)
3442         fi
3443         if test "$have_ldap_lber" = "yes" ; then
3444                 SXE_PREPEND(-llber, DB_LIBS)
3445         fi
3446         SXE_PREPEND(-lldap, DB_LIBS)
3447
3448         dnl save our values until here
3449         save_LIBS="$LIBS"
3450         LIBS="$DB_LIBS $LIBS"
3451         AC_CHECK_FUNCS(
3452                 [ldap_set_option ldap_get_lderrno ldap_result2error ldap_parse_result])
3453         dnl and restore
3454         LIBS="$save_LIBS"
3455 fi
3456
3457 dnl Autodetect PostgreSQL
3458 if test "x$with_postgresql" != "xno"; then
3459         SXE_CHECK_POSTGRESQL
3460 fi
3461 SXE_SUBST_DB_OBJS
3462
3463
3464 dnl Usage tracking (undocumented and likely unused option)
3465 if test "$usage_tracking" = "yes"; then
3466   AC_DEFINE([USAGE_TRACKING], [1], [Description here!])
3467   SXE_PREPEND(-Bstatic -lut -Bdynamic, LIBS)
3468 fi
3469
3470 dnl Unfortunately, just because we can link doesn't mean we can run.
3471 dnl One of the above link tests may have succeeded but caused resulting
3472 dnl executables to fail to run.  Also any tests using AC_RUN_IFELSE will
3473 dnl have reported incorrect results.
3474 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(int c,char *v[]){return 0;}]])],[:],[
3475   echo ""
3476   echo "*** PANIC *** The C compiler can no longer build working executables."
3477   echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
3478   echo "*** PANIC *** The most likely reason for this problem is that configure"
3479   echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
3480   echo "*** PANIC *** found at run time."
3481   echo "*** PANIC ***"
3482   echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
3483   echo "*** PANIC *** On other systems, try telling configure where to find the"
3484   echo "*** PANIC *** shared libraries using the --with-site-runtime-libraries option"
3485   echo "*** PANIC ***"
3486   echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
3487   echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
3488   echo "*** PANIC *** on your system.  Don't do that."
3489   exit 1], [AS_MESSAGE(cannot cross-compile)])
3490
3491 dnl Process support
3492 AC_DEFINE([HAVE_UNIX_PROCESSES], [1], [Description here!])
3493
3494 dnl --------------------------------
3495 dnl Compute SUBST-itutable variables
3496 dnl --------------------------------
3497
3498 dnl We ignore (C|LD)_SWITCH_X_(MACHINE|SYSTEM)
3499 dnl Use SXE_CONSECUTIVE_UNDUP instead of plain assignment statements to remove extraneous blanks
3500 if test "$with_module_support" = "yes"; then
3501         ld_libs_module=
3502 else
3503         SXE_CONSECUTIVE_UNDUP(ld_libs_module, $ldap_libs $postgresql_libs)
3504 fi
3505
3506 SXE_UNDUP(CFLAGS, $CFLAGS)
3507 SXE_UNDUP(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system $CFLAGS $CPPFLAGS)
3508 SXE_UNDUP(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
3509 SXE_UNDUP(c_switch_all, $c_switch_general $c_switch_window_system)
3510 SXE_UNDUP(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
3511 SXE_UNDUP(ld_switch_window_system, $ld_switch_x_site)
3512 SXE_UNDUP(ld_switch_all, $ld_switch_general $ld_switch_window_system)
3513 dnl Since some systems need libs to be restated later, we can't just dedup, we can only safely dedup
3514 dnl consecutive occurrences
3515 SXE_CONSECUTIVE_UNDUP(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
3516 SXE_CONSECUTIVE_UNDUP(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
3517 SXE_CONSECUTIVE_UNDUP(ld_libs_all, $OPENSSL_LIBS $DB_LIBS $ENT_LIBS $MM_LIBS $ld_libs_window_system $ld_libs_general $ld_libs_module)
3518
3519 dnl For no-module builds, make the src dir last
3520 if test "$with_module_support" = "no"; then
3521         SXE_APPEND(src, MAKE_SUBDIR)    dnl is that still important?
3522 fi
3523
3524 EMACS=$sxe_blddir/src/$PROGNAME
3525 AC_SUBST(EMACS)
3526
3527 dnl Compute lists of Makefiles and subdirs
3528 AC_SUBST(SRC_SUBDIR_DEPS)
3529 internal_makefile_list="Makefile.in"
3530 SUBDIR_MAKEFILES=''
3531 test -d lock || mkdir lock
3532 for dir in $MAKE_SUBDIR; do
3533   case "$dir" in */* ) dnl Implement mkdir -p
3534     ( for d in `echo $dir | sed 's:/: :g'` ; do
3535         test -d "$d" || mkdir "$d"; cd "$d"
3536       done ) ;;
3537    * ) test -d "$dir" || mkdir "$dir" ;;
3538   esac
3539   SXE_SPACE(SUBDIR_MAKEFILES, $SUBDIR_MAKEFILES $dir/Makefile $dir/Makefile)
3540   SXE_SPACE(internal_makefile_list, $internal_makefile_list $dir/Makefile.in)
3541 done
3542
3543 AC_SUBST(INSTALL_ARCH_DEP_SUBDIR)
3544 AC_SUBST(MAKE_SUBDIR)
3545 AC_SUBST(MAKE_AM_SUBDIR)
3546 AC_SUBST(SUBDIR_MAKEFILES)
3547
3548 dnl ----------------------------------------------
3549 dnl Create some auxiliary files for developers.
3550 dnl ----------------------------------------------
3551
3552 dnl Create a useful TAGS file
3553 if test -f "$sxe_srcdir/TAGS" -a ! -f "TAGS"; then
3554   test "$extra_verbose" = "yes" && echo "creating TAGS"
3555   echo "\f
3556 $sxe_srcdir/TAGS,include" > "TAGS"
3557 fi
3558
3559 dnl Create top level .sbinit for Sun compilers
3560 if test "$__SUNPRO_C" = "yes"; then
3561   test "$extra_verbose" = "yes" && echo "creating .sbinit"
3562   ( echo "# For use with Sun WorkShop's Source browser."
3563     echo "# See sbquery(1) and sbinit(4) for more information"
3564     for dir in $MAKE_SUBDIR; do echo "import $dir"; done
3565   ) > .sbinit
3566 fi
3567
3568 ### whether to build with profile.o
3569 AC_RUN_IFELSE([AC_LANG_SOURCE([[
3570 int main(int c, char *v[])
3571 {
3572 #ifdef HAVE_SETITIMER
3573         return 1;
3574 #else
3575         return 0;
3576 #endif
3577 }]])], [./conftest; have_setitimer=$?],
3578         [have_setitimer=$?],[have_setitimer=0])
3579 AM_CONDITIONAL([HAVE_SETITIMER], [test "$have_setitimer" = "1"])
3580
3581
3582 dnl There are no more compile tests; remove the core they created.
3583 rm -f core
3584
3585 dnl --------------------------------------------------
3586 dnl Substitute into Makefile, config.h and sxe-paths.h
3587 dnl --------------------------------------------------
3588
3589 dnl what sort of things to edit into Makefile, config.h and sxe-paths.h
3590 dnl configuration here uncanonicalized to avoid exceeding size limits.
3591
3592 AC_SUBST(PROGNAME)
3593 AC_SUBST(MULE)
3594 AC_SUBST(HAVE_LIBFFI)
3595 AC_SUBST(version)
3596 AC_SUBST(VERSION)
3597 AC_SUBST(old_version)
3598 AC_SUBST(inststaticdir)
3599 AC_SUBST(instvardir)
3600 AC_SUBST(instvarsepdir)
3601 AC_SUBST(sxe_srcdir)
3602 AC_SUBST(emodsrcdir)
3603 AC_SUBST(sxe_blddir)
3604 AC_SUBST(emodblddir)
3605 AC_SUBST(bindir)
3606 AC_SUBST(datarootdir)
3607 AC_SUBST(datadir)
3608 AC_SUBST(statedir)
3609 AC_SUBST(libdir)
3610 AC_SUBST(mandir)
3611 AC_SUBST(extra_includes)
3612
3613 AC_SUBST(prefix)
3614 AC_SUBST(PREFIX_USER_DEFINED)
3615 dnl Yo, Stephen Bourne!  I want to marry you!
3616 PREFIX=$prefix
3617 while true; do
3618   case "$PREFIX" in
3619     *\$* ) eval "PREFIX=\"${PREFIX}\"" ;;
3620     *) break ;;
3621   esac
3622 done
3623 AC_SUBST(PREFIX)
3624
3625 AC_SUBST(exec_prefix)
3626 AC_SUBST(EXEC_PREFIX_USER_DEFINED)
3627 EXEC_PREFIX=$exec_prefix
3628 while true; do
3629   case "$EXEC_PREFIX" in
3630     *\$* ) eval "EXEC_PREFIX=\"${EXEC_PREFIX}\"" ;;
3631     *) break ;;
3632   esac
3633 done
3634 AC_SUBST(EXEC_PREFIX)
3635
3636 AC_SUBST(infodir)
3637 AC_SUBST(INFODIR_USER_DEFINED)
3638 INFODIR=$infodir
3639 while true; do
3640   case "$INFODIR" in
3641     *\$* ) eval "INFODIR=\"${INFODIR}\"" ;;
3642     *) break ;;
3643   esac
3644 done
3645 AC_SUBST(INFODIR)
3646
3647 AC_SUBST(infopath,$with_infopath)
3648 AC_SUBST(INFOPATH_USER_DEFINED)
3649 INFOPATH=$with_infopath
3650 while true; do
3651   case "$INFOPATH" in
3652     *\$* ) eval "INFOPATH=\"${INFOPATH}\"" ;;
3653     *) break ;;
3654   esac
3655 done
3656 AC_SUBST(INFOPATH)
3657
3658 if test -z "$with_module_path"; then
3659     with_module_path="~/.sxemacs/${configuration}/modules:${libdir}/${PROGNAME}/${configuration}/site-modules:${libdir}/${instvardir}/${configuration}/modules"
3660 fi
3661
3662 AC_SUBST(module_path,$with_module_path)
3663 AC_SUBST(MODULE_PATH_USER_DEFINED)
3664 MODULE_PATH=$with_module_path
3665 while true; do
3666   case "$MODULE_PATH" in
3667     *\$* ) eval "MODULE_PATH=\"${MODULE_PATH}\"" ;;
3668     *) break ;;
3669   esac
3670 done
3671 AC_SUBST(MODULE_PATH)
3672
3673 if test -z "$with_package_prefix" ; then
3674   with_package_prefix=${prefix}/share/sxemacs
3675 fi
3676
3677 if test -z "$with_package_path" && test -n "$with_package_prefix" ; then
3678   if test "$with_mule" = "yes" ; then
3679     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages:~/.sxemacs/mule-packages"
3680     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages:${with_package_prefix}/mule-packages"
3681   else
3682     with_package_path="~/.sxemacs/site-packages:~/.sxemacs/sxemacs-packages:~/.sxemacs/xemacs-packages"
3683     with_package_path="${with_package_path}:${with_package_prefix}/site-packages:${with_package_prefix}/sxemacs-packages:${with_package_prefix}/xemacs-packages"
3684   fi
3685 fi
3686
3687 AC_SUBST(package_path,$with_package_path)
3688 AC_SUBST(PACKAGE_PATH_USER_DEFINED)
3689 PACKAGE_PATH=$with_package_path
3690 while true; do
3691   case "$PACKAGE_PATH" in
3692     *\$* ) eval "PACKAGE_PATH=\"${PACKAGE_PATH}\"" ;;
3693     *) break ;;
3694   esac
3695 done
3696 AC_SUBST(PACKAGE_PATH)
3697
3698 AC_SUBST(lispdir, $with_lispdir)
3699 AC_SUBST(LISPDIR_USER_DEFINED)
3700 LISPDIR=$with_lispdir
3701 while true; do
3702   case "$LISPDIR" in
3703     *\$* ) eval "LISPDIR=\"${LISPDIR}\"" ;;
3704     *) break ;;
3705   esac
3706 done
3707 AC_SUBST(LISPDIR)
3708
3709 AC_SUBST(moduledir,$with_moduledir)
3710 AC_SUBST(MODULEDIR_USER_DEFINED)
3711 MODULEDIR=$with_moduledir
3712 while true; do
3713   case "$MODULEDIR" in
3714     *\$* ) eval "MODULEDIR=\"${MODULEDIR}\"" ;;
3715     *) break ;;
3716   esac
3717 done
3718 AC_SUBST(MODULEDIR)
3719
3720 AC_SUBST([sitelispdir], [$with_sitelispdir])
3721 AC_SUBST([SITELISPDIR_USER_DEFINED])
3722 SITELISPDIR=$sitelispdir
3723 while true; do
3724   case "$SITELISPDIR" in
3725     *\$* ) eval "SITELISPDIR=\"${SITELISPDIR}\"" ;;
3726     *) break ;;
3727   esac
3728 done
3729 AC_SUBST(SITELISPDIR)
3730
3731 AC_SUBST(sitemoduledir,$with_sitemoduledir)
3732 AC_SUBST(SITEMODULEDIR_USER_DEFINED)
3733 SITEMODULEDIR=$with_sitemoduledir
3734 while true; do
3735   case "$SITEMODULEDIR" in
3736     *\$* ) eval "SITEMODULEDIR=\"${SITEMODULEDIR}\"" ;;
3737     *) break ;;
3738   esac
3739 done
3740 AC_SUBST(SITEMODULEDIR)
3741
3742 AC_SUBST(etcdir,$with_etcdir)
3743 AC_SUBST(ETCDIR_USER_DEFINED)
3744 ETCDIR=$with_etcdir
3745 while true; do
3746   case "$ETCDIR" in
3747     *\$* ) eval "ETCDIR=\"${ETCDIR}\"" ;;
3748     *) break ;;
3749   esac
3750 done
3751 AC_SUBST(ETCDIR)
3752
3753 AC_SUBST(archlibdir,$with_archlibdir)
3754 AC_SUBST(ARCHLIBDIR_USER_DEFINED)
3755 ARCHLIBDIR=$with_archlibdir
3756 while true; do
3757   case "$ARCHLIBDIR" in
3758     *\$* ) eval "ARCHLIBDIR=\"${ARCHLIBDIR}\"" ;;
3759     *) break ;;
3760   esac
3761 done
3762 AC_SUBST(ARCHLIBDIR)
3763
3764 AC_SUBST(docdir,$with_docdir)
3765 AC_SUBST(DOCDIR_USER_DEFINED)
3766 DOCDIR=$with_docdir
3767 while true; do
3768   case "$DOCDIR" in
3769     *\$* ) eval "DOCDIR=\"${DOCDIR}\"" ;;
3770     *) break ;;
3771   esac
3772 done
3773 AC_SUBST(DOCDIR)
3774
3775 AC_SUBST(docdir)
3776 AC_SUBST(bitmapdir)
3777
3778 dnl The following flags combine all the information from:
3779 dnl - command line options (user always gets priority)
3780 dnl - user environment variables
3781 dnl - determined by configure
3782 dnl - the s&m header files (required for ellcc)
3783 AC_SUBST(machfile)
3784 AC_SUBST(opsysfile)
3785 AC_SUBST(c_switch_general)
3786 AC_SUBST(c_switch_window_system)
3787 AC_SUBST(c_switch_all)
3788 AC_SUBST(ld_switch_general)
3789 AC_SUBST(ld_switch_window_system)
3790 AC_SUBST(ld_switch_all)
3791 AC_SUBST(ld_libs_general)
3792 AC_SUBST(ld_libs_window_system)
3793 AC_SUBST(ld_libs_all)
3794 AC_SUBST(CFLAGS)
3795 AC_SUBST(CPPFLAGS)
3796 AC_SUBST(LDFLAGS)
3797 RECURSIVE_MAKE_ARGS="\$(MFLAGS) CC='\$(CC)' CFLAGS='\$(CFLAGS)' LDFLAGS='\$(LDFLAGS)' CPPFLAGS='\$(CPPFLAGS)'"
3798 if test -z "$MAKE"; then
3799         MAKE=make
3800 fi
3801 case `$MAKE --version 2>/dev/null` in
3802    GNU\ Make*)
3803         AM_MAKEFLAGS="-w $AM_MAKEFLAGS"
3804         RECURSIVE_MAKE_ARGS="-w $RECURSIVE_MAKE_ARGS"
3805    ;;
3806    *)
3807         echo ===================================
3808         echo $MAKE does not seem to be GNU Make
3809         echo If you find makefile errors please try using GNU Make as some
3810         echo autoconf constructs may not be proper for your make variant
3811         echo ===================================
3812    ;;
3813 esac
3814 AC_SUBST(RECURSIVE_MAKE_ARGS)
3815 AC_SUBST(AM_MAKEFLAGS)
3816
3817 AC_SUBST(sound_cflags)
3818 AC_SUBST(AR)
3819 AC_SUBST(RANLIB)
3820
3821 AC_SUBST(SXEMACS_CC)
3822 AC_SUBST(SXE_CFLAGS)
3823
3824 SXE_SUBST_CORE_OBJS()
3825
3826 SXE_SUBST_CRUFT_OBJS
3827
3828 dnl The default is yes
3829 if test "$with_prefix" = "yes"; then
3830   AC_DEFINE([PREFIX_USER_DEFINED], [1], [Description here!])
3831 fi
3832
3833 dnl Should this stay even though --with-site-modules is no longer an
3834 dnl option?  It is used in emacs.c for when the -no-site-modules cmd line
3835 dnl opt is used.  That cmd line opt definitely has usefullness.  Sebastian?
3836 dnl --SY.
3837 dnl The default is yes
3838 if test "$with_site_modules" = "no"; then
3839   AC_DEFINE([INHIBIT_SITE_MODULES], [1], [Description here!])
3840 fi
3841
3842 dnl SXE_SPACE(ac_configure_args, $ac_configure_args)
3843 AC_DEFINE_UNQUOTED([EMACS_CONFIGURATION], ["$ac_cv_build"], [Description here!])
3844 AC_DEFINE_UNQUOTED([EMACS_CONFIG_OPTIONS], ["$ac_configure_args"], [Description here!])
3845
3846 AC_SUBST([srcdir_equals_blddir_p])
3847
3848 dnl Following are deprecated
3849 null_string=""
3850 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE], [$null_string], [Description here!])
3851 AC_DEFINE_UNQUOTED([LD_SWITCH_X_SITE_AUX], [$null_string], [Description here!])
3852 AC_DEFINE_UNQUOTED([C_SWITCH_X_SITE], [$null_string], [Description here!])
3853 AC_DEFINE_UNQUOTED([LD_SWITCH_SITE], [$null_string], [Description here!])
3854 AC_DEFINE_UNQUOTED([C_SWITCH_SITE], [$null_string], [Description here!])
3855
3856 dnl Note: as a general rule, *only* define things here that are not
3857 dnl autodetected.  For things that are autodetected, define them
3858 dnl at the point where the autodetection occurs or would occur,
3859 dnl so that the user gets immediate feedback on the results of the
3860 dnl autodetection.
3861
3862 if test "$GNU_MALLOC" = "yes"; then
3863         AC_DEFINE([GNU_MALLOC], [1], [Description here!])
3864         SXE_ADD_MEMALLOC_OBJS(vm-limit.o)
3865         if test "$doug_lea_malloc" != "yes"; then
3866                 SXE_ADD_MEMALLOC_OBJS(gmalloc.o)
3867         fi
3868         if test "$with_error_checking_malloc" = "yes"; then
3869                 dnl SXE_ADD_MEMALLOC_OBJS(free-hook.o)
3870                 :
3871         fi
3872 elif test "$with_system_malloc" = "yes" -o "$system_malloc" = "yes"; then
3873         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3874         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3875 elif test "$with_debug_malloc"  = "yes"; then
3876         AC_DEFINE([USE_DEBUG_MALLOC], [1], [Description here!])
3877         AC_DEFINE([USE_SYSTEM_MALLOC], [1], [Description here!])
3878         AC_DEFINE([SYSTEM_MALLOC], [1], [Description here!])
3879         SXE_APPEND(-ldmalloc, MEMALLOC_LIBS)
3880 else
3881         SXE_ADD_MEMALLOC_OBJS([malloc.o])
3882 fi
3883 test "$GCC" = "yes" && \
3884         AC_DEFINE([USE_GCC], [1], [Description here!])
3885 test "$with_external_widget" = "yes" && \
3886         AC_DEFINE([EXTERNAL_WIDGET], [1], [Description here!])
3887 test "$with_quick_build" = "yes" && \
3888         AC_DEFINE([QUICK_BUILD], [1], [Description here!])
3889 if test "$with_purify" = "yes"; then
3890         AC_DEFINE([PURIFY], [1], [Description here!])
3891         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3892 fi
3893 if test "$with_quantify" = "yes"; then
3894         AC_DEFINE([QUANTIFY], [1], [Description here!])
3895         AC_DEFINE([XLIB_ILLEGAL_ACCESS], [1], [Description here!])
3896 fi
3897 test "$with_pop" = "yes" && \
3898         AC_DEFINE([MAIL_USE_POP], [1], [Description here!])
3899 test "$with_hesiod" = "yes" && \
3900         AC_DEFINE([HESIOD], [1], [Description here!])
3901 test "$with_regex_malloc" = "yes" && \
3902         AC_DEFINE([REGEX_MALLOC], [1], [Description here!])
3903 test "$with_ipv6_cname" = "yes" && \
3904         AC_DEFINE([IPV6_CANONICALIZE], [1], [Description here!])
3905 if test "$with_pdump" = "yes"; then
3906         AC_DEFINE([PDUMP], [1], [Description here!])    dnl deprecated!
3907         AC_DEFINE([WITH_PDUMP], [1], [Description here!])
3908 fi
3909
3910 AM_CONDITIONAL([WITH_EXTW], [test "$with_external_widget" = "yes"])
3911 AM_CONDITIONAL([WITH_PDUMP], [test "$with_pdump" = "yes"])
3912 AC_SUBST([MEMALLOC_LIBS])
3913 SXE_SUBST_MEMALLOC_OBJS
3914
3915
3916 AC_DEFINE_UNQUOTED([USER_FULL_NAME], [pw->pw_gecos], [dnl
3917         USER_FULL_NAME returns a string that is the user's full name.
3918         It can assume that the variable `pw' points to the password file
3919         entry for this user.
3920
3921         At some sites, the pw_gecos field contains the user's full name.
3922         If neither this nor any other field contains the right thing, use
3923         pw_name, giving the user's login name, since that is better than
3924         nothing.])
3925
3926 AC_DEFINE([SIGTYPE], [RETSIGTYPE], [SIGTYPE is the macro we actually use])
3927 AC_DEFINE([SIGRETURN], [return], [SIGTYPE is the macro we actually use])
3928
3929 ## finally, redefine VERSION; this has to be done after all tests on C sources
3930 ## were run because otherwise the symbol VERSION would be defined twice and
3931 ## the C compiler would warn, sigh, and due to this stupid -Werror flag we ...
3932 ## tadadada ... will fail to run _any_ C test successfully
3933 AC_DEFINE_UNQUOTED([VERSION], ["$version"], [Version of SXEmacs.])
3934
3935 AH_TOP([
3936 #ifndef INCLUDED_sxe_config_h_
3937 #define INCLUDED_sxe_config_h_
3938
3939 #ifndef NOT_C_CODE
3940 #if defined (__GNUC__)
3941 #define alloca __builtin_alloca
3942 #elif defined __DECC
3943 #include <alloca.h>
3944 #pragma intrinsic(alloca)
3945 #elif defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
3946 /* defer #include to end of file */
3947 #elif defined HAVE_ALLOCA_H
3948 #include <alloca.h>
3949 #elif defined(_AIX)
3950 #pragma alloca
3951 #elif ! defined (alloca)
3952 void *alloca();
3953 #endif
3954 #endif  /* C code */
3955 ])
3956
3957 AH_BOTTOM([
3958 /* The configuration script may define `opsysfile' to be the name of
3959    the s/...h file that describes your operating system.
3960    The file name is chosen based on the configuration name. */
3961
3962 #ifdef config_opsysfile
3963 #include config_opsysfile
3964 #endif
3965
3966 /* The configuration script may define `machfile' to be the name of
3967    the m/...h file that describes the machine you are using.
3968    The file name is chosen based on the configuration name. */
3969
3970 #ifdef config_machfile
3971 #include config_machfile
3972 #endif
3973
3974 /* basic system calls */
3975 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3976 # define ENCAPSULATE_READ
3977 # define ENCAPSULATE_WRITE
3978 #endif
3979 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3980 # define ENCAPSULATE_OPEN
3981 #endif
3982 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3983 # define ENCAPSULATE_CLOSE
3984 #endif
3985 /* stdio calls */
3986 #if defined (INTERRUPTIBLE_IO) || defined (DEBUG_ENCAPSULATION)
3987 # define ENCAPSULATE_FREAD
3988 # define ENCAPSULATE_FWRITE
3989 #endif
3990 #if defined (INTERRUPTIBLE_OPEN) || defined (MULE) || defined (DEBUG_ENCAPSULATION)
3991 # define ENCAPSULATE_FOPEN
3992 #endif
3993 #if defined (INTERRUPTIBLE_CLOSE) || defined (DEBUG_ENCAPSULATION)
3994 # define ENCAPSULATE_FCLOSE
3995 #endif
3996
3997 #if defined (HAVE_SOCKS) && !defined (DO_NOT_SOCKSIFY)
3998 #define accept Raccept
3999 #define bind Rbind
4000 #define connect Rconnect
4001 #define getsockname Rgetsockname
4002 #define listen Rlisten
4003 #endif                          /* HAVE_SOCKS && !DO_NOT_SOCKSIFY */
4004
4005 #ifndef NOT_C_CODE              /* Actually means C or C++ */
4006 # if defined (__cplusplus)
4007 /* Avoid C++ keywords used as ordinary C identifiers */
4008 #  define class c_class
4009 #  define new   c_new
4010 #  define this  c_this
4011 #  define catch c_catch
4012 #  define EXTERN_C extern "C"
4013 # else                          /* C code */
4014 #  define EXTERN_C extern
4015 # endif
4016 #endif                          /* C or C++ */
4017 /* Strictly speaking, only int or unsigned int are valid types in a
4018    bitfield.  In practice, we would like to use enums as bitfields.
4019    The following should just result in warning avoidance:
4020    warning: nonportable bit-field type */
4021 #ifdef __GNUC__
4022 #define enum_field(enumeration_type) enum enumeration_type
4023 #else
4024 #define enum_field(enumeration_type) unsigned int
4025 #endif
4026
4027 #ifndef NOT_C_CODE
4028 #if defined __INTEL_COMPILER && defined HAVE_ALLOCA_H
4029 /* icc's alloca.h pulls in <features.h>,
4030    but that must be done after _GNU_SOURCE and friends are defined */
4031 #include <alloca.h>
4032 #endif
4033 #endif                          /* C code */
4034
4035 #endif  /* INCLUDED_sxe_config_h_ */
4036 ])
4037
4038
4039 dnl -------------------------------------------------------------------------
4040 dnl -------------------------------
4041 dnl Report on what we decided to do
4042 dnl -------------------------------
4043
4044 dnl #### We should tag this as the _build_ environment.
4045 dnl Before doing that, though, must check if tools care about line 1.
4046
4047 (
4048 dnl /etc/osversion is on SONY NEWS-OS
4049 if test -f /etc/osversion; then dnl SONY NEWS-OS
4050   echo "osversion: `cat /etc/osversion`"
4051 else
4052   echo "uname -a: `uname -a`"
4053 fi
4054 echo ""
4055 echo "$0 $ac_configure_args"
4056 ) > Installation
4057
4058 if test ! -z ${emacs_beta_version} ; then
4059   if test -z "${emacs_is_beta}" ; then
4060         sxemacs_betaname=".${emacs_beta_version}"
4061   else
4062         sxemacs_betaname="-b${emacs_beta_version}"
4063   fi
4064 else
4065   sxemacs_betaname=""
4066 fi
4067
4068 dnl -----------------
4069 dnl Talking LFSL now!
4070 dnl -----------------
4071
4072 dnl -----------------------------------
4073 dnl Now generate config.h and Makefiles
4074 dnl -----------------------------------
4075
4076 dnl This has to be called in order for this variable to get into config.status
4077 AC_SUBST([internal_makefile_list])
4078 # Remove any trailing slashes in these variables.
4079 if test -n "$prefix"; then
4080         prefix=`echo '' "$prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4081 fi
4082 if test -n "$exec_prefix"; then
4083         exec_prefix=`echo '' "$exec_prefix" | sed -e 's:^ ::' -e 's,\([[^/]]\)/*$,\1,'`
4084 fi
4085
4086 make_ifeq="ifeq"
4087 make_endif="endif"
4088 make_else="else"
4089 AC_SUBST([make_ifeq])
4090 AC_SUBST([make_endif])
4091 AC_SUBST([make_else])
4092
4093 dnl Coupla things needed for subst'ing into the sxemacs.desktop file
4094 ABS_PROGNAME=${prefix}/bin/${PROGNAME}
4095 ABS_ETCDIR=${ETCDIR}
4096 SXE_CANONICALISE_PATH([ABS_PROGNAME])
4097 SXE_CANONICALISE_PATH([ABS_ETCDIR])
4098 AC_SUBST([ABS_PROGNAME])
4099 AC_SUBST([ABS_ETCDIR])
4100
4101 AC_CONFIG_FILES([src/sxe-paths.h])
4102 AC_CONFIG_FILES([Makefile])
4103 AC_CONFIG_FILES([lib-src/Makefile])
4104 AC_CONFIG_FILES([src/Makefile])
4105 AC_CONFIG_FILES([src/ui/Makefile])
4106 AC_CONFIG_FILES([src/ui/TTY/Makefile])
4107 AC_CONFIG_FILES([src/ui/lwlib/Makefile])
4108 AC_CONFIG_FILES([src/ui/X11/Makefile])
4109 AC_CONFIG_FILES([src/events/Makefile])
4110 AC_CONFIG_FILES([src/ent/Makefile])
4111 AC_CONFIG_FILES([src/media/Makefile])
4112 AC_CONFIG_FILES([src/mem/Makefile])
4113 AC_CONFIG_FILES([src/database/Makefile])
4114 AC_CONFIG_FILES([src/mule/Makefile])
4115 AC_CONFIG_FILES([src/.gdbinit:src/gdbinit])
4116 AC_CONFIG_FILES([src/.dbxrc:src/dbxrc])
4117 AC_CONFIG_FILES([lisp/Makefile])
4118 AC_CONFIG_FILES([info/Makefile])
4119 AC_CONFIG_FILES([tests/Makefile])
4120 AC_CONFIG_FILES([modules/Makefile])
4121 AC_CONFIG_FILES([etc/Makefile])
4122 AC_CONFIG_FILES([etc/sxemacs.desktop])
4123 AC_CONFIG_FILES([sxemacs.pc])
4124 AC_CONFIG_LINKS([.sxemacs.source.tree:])
4125
4126 AC_OUTPUT
4127 SXE_SUMMARY