configure.in

   1 dnl  Autoconf script for GNU Emacs
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 dnl
   6 dnl  Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003,
   7 dnl    2004, 2005, 2006, 2007  Free Software Foundation, Inc.
   8 dnl
   9 dnl  This file is part of GNU Emacs.
  10 dnl
  11 dnl  GNU Emacs is free software; you can redistribute it and/or modify
  12 dnl  it under the terms of the GNU General Public License as published by
  13 dnl  the Free Software Foundation; either version 3, or (at your option)
  14 dnl  any later version.
  15 dnl
  16 dnl  GNU Emacs is distributed in the hope that it will be useful,
  17 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 dnl  GNU General Public License for more details.
  20 dnl
  21 dnl  You should have received a copy of the GNU General Public License
  22 dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
  23 dnl  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 dnl  Boston, MA 02110-1301, USA.
  25
  26 AC_PREREQ(2.61)dnl
  27 AC_INIT(emacs, 23.0.50)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29 AC_CONFIG_SRCDIR(src/lisp.h)
  30
  31 dnl Support for --program-prefix, --program-suffix and
  32 dnl --program-transform-name options
  33 AC_ARG_PROGRAM
  34
  35 lispdir='${datadir}/emacs/${version}/lisp'
  36 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  37 '${datadir}/emacs/site-lisp'
  38 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
  39 etcdir='${datadir}/emacs/${version}/etc'
  40 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  41 docdir='${datadir}/emacs/${version}/etc'
  42 gamedir='${localstatedir}/games/emacs'
  43
  44 gameuser=games
  45
  46 dnl Autoconf is so much less fun under VMS, maybe
  47 dnl because everything is less fun under VMS. --ttn
  48 AC_DEFUN([EMACS_ARG_Y],[dnl
  49 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[$3],[$4])dnl
  50 ])dnl
  51 AC_DEFUN([EMACS_ARG_N],[dnl
  52 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[$3],[$4])dnl
  53 ])dnl
  54
  55 EMACS_ARG_N([gcc],[don't use GCC to compile Emacs if GCC is found])
  56
  57 EMACS_ARG_N([pop],[don't support POP mail retrieval with movemail],
  58 [if test "$withval" = yes; then
  59    AC_DEFINE(MAIL_USE_POP)
  60 else :
  61 fi],
  62 AC_DEFINE(MAIL_USE_POP))
  63 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  64
  65 EMACS_ARG_Y([kerberos],[support Kerberos-authenticated POP],
  66 [if test "$withval" = yes; then
  67    AC_DEFINE(KERBEROS)
  68 fi])
  69 AH_TEMPLATE(KERBEROS,
  70             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  71
  72 EMACS_ARG_Y([kerberos5],[support Kerberos version 5 authenticated POP],
  73 [if test "${with_kerberos5+set}" = set; then
  74   if test "${with_kerberos+set}" != set; then
  75     with_kerberos=yes
  76     AC_DEFINE(KERBEROS)
  77   fi
  78   AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
  79 fi])
  80
  81 EMACS_ARG_Y([hesiod],[support Hesiod to get the POP server host],
  82 [if test "$withval" = yes; then
  83   AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
  84 fi])
  85
  86 EMACS_ARG_N([sound],[don't compile with sound support])
  87
  88 dnl This should be the last --with option, because --with-x is
  89 dnl added later on when we find the path of X, and it's best to
  90 dnl keep them together visually.
  91 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
  92  [use an X toolkit (KIT one of: yes, lucid, athena, motif, gtk, no)])],
  93 [         case "${withval}" in
  94             y | ye | yes )      val=gtk ;;
  95             n | no )            val=no  ;;
  96             l | lu | luc | luci | lucid )       val=lucid ;;
  97             a | at | ath | athe | athen | athena )      val=athena ;;
  98             m | mo | mot | moti | motif )       val=motif ;;
  99             g | gt | gtk  )     val=gtk ;;
 100             * )
 101 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
 102 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
 103 `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
 104             ;;
 105           esac
 106           with_x_toolkit=$val
 107 ])
 108
 109 EMACS_ARG_Y([xpm],[use -lXpm for displaying XPM images])
 110 EMACS_ARG_Y([jpeg],[use -ljpeg for displaying JPEG images])
 111 EMACS_ARG_Y([tiff],[use -ltiff for displaying TIFF images])
 112 EMACS_ARG_Y([gif],[use -lgif (or -lungif) for displaying GIF images])
 113 EMACS_ARG_Y([png],[use -lpng for displaying PNG images])
 114 EMACS_ARG_Y([freetype],[use -lfreetype for local fonts support])
 115 EMACS_ARG_Y([xft],[use -lXft for anti aliased fonts])
 116 EMACS_ARG_Y([gpm],[use -lgpm for mouse support on a GNU/Linux console])
 117 EMACS_ARG_Y([rsvg],[use -lrsvg-2 for displaying SVG images])
 118 EMACS_ARG_Y([gtk],[use GTK (same as --with-x-toolkit=gtk)])
 119 EMACS_ARG_Y([pkg-config-prog],[Path to pkg-config for finding GTK and librsvg])
 120 EMACS_ARG_N([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
 121 EMACS_ARG_N([xaw3d],[don't use Xaw3d])
 122 EMACS_ARG_N([xim],[don't use X11 XIM])
 123 EMACS_ARG_N([carbon],[don't use Carbon GUI on Mac OS X])
 124 EMACS_ARG_Y([dbus],[use D-Bus])
 125
 126 AC_ARG_ENABLE(carbon-app,
 127 [AS_HELP_STRING([--enable-carbon-app@<:@=DIR@:>@],
 128                 [specify install directory for Emacs.app on Mac OS X
 129                  [DIR=/Application]])],
 130 [ carbon_appdir_x=${enableval}])
 131
 132 AC_ARG_ENABLE(font-backend,
 133 [  --enable-font-backend   compile code of font-backend support],
 134       USE_FONT_BACKEND=$enableval,
 135       USE_FONT_BACKEND=no)
 136
 137 AC_ARG_ENABLE(asserts,
 138 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
 139       USE_XASSERTS=$enableval,
 140       USE_XASSERTS=no)
 141
 142 AC_ARG_ENABLE(maintainer-mode,
 143 [AS_HELP_STRING([--enable-maintainer-mode],
 144                 [enable make rules and dependencies not useful (and sometimes
 145                  confusing) to the casual installer])],
 146       USE_MAINTAINER_MODE=$enableval,
 147       USE_MAINTAINER_MODE=no)
 148 if test $USE_MAINTAINER_MODE = yes; then
 149   MAINT=
 150 else
 151   MAINT=#
 152 fi
 153 AC_SUBST(MAINT)
 154
 155 AC_ARG_ENABLE(locallisppath,
 156 [AS_HELP_STRING([--enable-locallisppath=PATH],
 157                 [directories Emacs should search for lisp files specific
 158                  to this site])],
 159 if test "${enableval}" = "no"; then
 160   locallisppath=
 161 elif test "${enableval}" != "yes"; then
 162   locallisppath=${enableval}
 163 fi)
 164
 165 #### Make srcdir absolute, if it isn't already.  It's important to
 166 #### avoid running the path through pwd unnecessarily, since pwd can
 167 #### give you automounter prefixes, which can go away.  We do all this
 168 #### so Emacs can find its files when run uninstalled.
 169 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 170 unset CDPATH
 171 case "${srcdir}" in
 172   /* ) ;;
 173   . )
 174     ## We may be able to use the $PWD environment variable to make this
 175     ## absolute.  But sometimes PWD is inaccurate.
 176     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 177     ## but that tested only for a well-formed and valid PWD,
 178     ## it did not object when PWD was well-formed and valid but just wrong.
 179     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 180     then
 181       srcdir="$PWD"
 182     else
 183       srcdir="`(cd ${srcdir}; pwd)`"
 184     fi
 185   ;;
 186   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 187 esac
 188
 189 #### Check if the source directory already has a configured system in it.
 190 if test `pwd` != `(cd ${srcdir} && pwd)` \
 191    && test -f "${srcdir}/src/config.h" ; then
 192   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 193    as a build directory right now; it has been configured in its own
 194    right.  To configure in another directory as well, you MUST
 195    use GNU make.  If you do not have GNU make, then you must
 196    now do `make distclean' in ${srcdir},
 197    and then run $0 again.]])
 198 fi
 199
 200 #### Given the configuration name, set machfile and opsysfile to the
 201 #### names of the m/*.h and s/*.h files we should use.
 202
 203 ### Canonicalize the configuration name.
 204
 205 AC_CANONICAL_HOST
 206 canonical=$host
 207 configuration=${host_alias-${build_alias-$host}}
 208
 209 dnl This used to use changequote, but, apart from `changequote is evil'
 210 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 211 dnl the great gob of text.  Thus it's not processed for possible expansion.
 212 dnl Just make sure the brackets remain balanced.
 213 dnl
 214 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 215 dnl indicated by comments.
 216 dnl quotation begins
 217 [
 218
 219 ### If you add support for a new configuration, add code to this
 220 ### switch statement to recognize your configuration name and select
 221 ### the appropriate operating system and machine description files.
 222
 223 ### You would hope that you could choose an m/*.h file pretty much
 224 ### based on the machine portion of the configuration name, and an s-
 225 ### file based on the operating system portion.  However, it turns out
 226 ### that each m/*.h file is pretty manufacturer-specific - for
 227 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 228 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 229 ### machines.  So we basically have to have a special case for each
 230 ### configuration name.
 231 ###
 232 ### As far as handling version numbers on operating systems is
 233 ### concerned, make sure things will fail in a fixable way.  If
 234 ### /etc/MACHINES doesn't say anything about version numbers, be
 235 ### prepared to handle anything reasonably.  If version numbers
 236 ### matter, be sure /etc/MACHINES says something about it.
 237 ###
 238 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 239 ### "System V Release 4"; he writes, "The old convention encouraged
 240 ### confusion between `system' and `release' levels'."
 241
 242 machine='' opsys='' unported=no
 243 case "${canonical}" in
 244
 245   ## FreeBSD ports
 246   *-*-freebsd* )
 247     opsys=freebsd
 248     case "${canonical}" in
 249       alpha*-*-freebsd*)        machine=alpha ;;
 250       ia64-*-freebsd*)          machine=ia64 ;;
 251       sparc64-*-freebsd*)       machine=sparc ;;
 252       powerpc-*-freebsd*)       machine=macppc ;;
 253       i[3456]86-*-freebsd*)     machine=intel386 ;;
 254       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 255     esac
 256   ;;
 257
 258   ## FreeBSD kernel + glibc based userland
 259   *-*-kfreebsd*gnu* )
 260     opsys=gnu-kfreebsd
 261     case "${canonical}" in
 262       alpha*-*-kfreebsd*)       machine=alpha ;;
 263       ia64-*-kfreebsd*)         machine=ia64 ;;
 264       sparc64-*-kfreebsd*)      machine=sparc ;;
 265       powerpc-*-kfreebsd*)      machine=macppc ;;
 266       i[3456]86-*-kfreebsd*)    machine=intel386 ;;
 267       amd64-*-kfreebsd*|x86_64-*-kfreebsd*) machine=amdx86-64 ;;
 268     esac
 269   ;;
 270
 271   ## NetBSD ports
 272   *-*-netbsd* )
 273     opsys=netbsd
 274     if test -f /usr/lib/crti.o; then]
 275 dnl The close and open brackets here are because this section is quoted --
 276 dnl see the `changequote' comment above.
 277       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 278 [   fi
 279
 280     case "${canonical}" in
 281       alpha*-*-netbsd*) machine=alpha ;;
 282       i[3456]86-*-netbsd*) machine=intel386 ;;
 283       m68k-*-netbsd*)
 284                         # This is somewhat bogus.
 285                         machine=hp9000s300 ;;
 286       mips-*-netbsd*)   machine=pmax ;;
 287       mipsel-*-netbsd*) machine=pmax ;;
 288       mipseb-*-netbsd*) machine=pmax ;;
 289       ns32k-*-netbsd*)  machine=ns32000 ;;
 290       powerpc-*-netbsd*) machine=macppc ;;
 291       sparc*-*-netbsd*) machine=sparc ;;
 292       vax-*-netbsd*)    machine=vax ;;
 293       arm-*-netbsd*)    machine=arm ;;
 294       x86_64-*-netbsd*) machine=amdx86-64 ;;
 295       hppa-*-netbsd*)   machine=hp800 ;;
 296       shle-*-netbsd*)   machine=sh3el ;;
 297     esac
 298   ;;
 299
 300   ## OpenBSD ports
 301   *-*-openbsd* )
 302     opsys=openbsd
 303     case "${canonical}" in
 304       alpha*-*-openbsd*)        machine=alpha ;;
 305       arm-*-openbsd*)          machine=arm ;;
 306       hppa-*-openbsd*)         machine=hp9000s300 ;;
 307       i386-*-openbsd*)         machine=intel386 ;;
 308       m68k-*-openbsd*)         machine=hp9000s300 ;;
 309       m88k-*-openbsd*)         machine=aviion ;;
 310       mips64-*-openbsd*)       machine=mips64 ;;
 311       powerpc-*-openbsd*)      machine=macppc ;;
 312       sh-*-openbsd*)           machine=sh3el ;;
 313       sparc*-*-openbsd*)       machine=sparc ;;
 314       vax-*-openbsd*)          machine=vax ;;
 315       x86_64-*-openbsd*)       machine=amdx86-64 ;;
 316     esac
 317   ;;
 318
 319   ## LynxOS ports
 320   *-*-lynxos* )
 321     opsys=lynxos
 322     case "${canonical}" in
 323       i[3456]86-*-lynxos*) machine=intel386 ;;
 324       powerpc-*-lynxos*) machine=powerpc ;;
 325     esac
 326   ;;
 327
 328   ## Acorn RISCiX:
 329   arm-acorn-riscix1.1* )
 330     machine=acorn opsys=riscix1-1
 331   ;;
 332   arm-acorn-riscix1.2* | arm-acorn-riscix )
 333     ## This name is riscix12 instead of riscix1.2
 334     ## to avoid a file name conflict on MSDOS.
 335     machine=acorn opsys=riscix12
 336   ;;
 337
 338   ## BSDI ports
 339   *-*-bsdi* )
 340     opsys=bsdi
 341     case "${canonical}" in
 342       i[345]86-*-bsdi*) machine=intel386 ;;
 343       sparc-*-bsdi*)  machine=sparc ;;
 344       powerpc-*-bsdi*)  machine=macppc ;;
 345     esac
 346     case "${canonical}" in
 347       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 348       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 349       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 350       *-*-bsdi3* )              opsys=bsdos3 ;;
 351       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 352     esac
 353   ;;
 354
 355   ## Alliant machines
 356   ## Strictly speaking, we need the version of the alliant operating
 357   ## system to choose the right machine file, but currently the
 358   ## configuration name doesn't tell us enough to choose the right
 359   ## one; we need to give alliants their own operating system name to
 360   ## do this right.  When someone cares, they can help us.
 361   fx80-alliant-* )
 362     machine=alliant4 opsys=bsd4-2
 363   ;;
 364   i860-alliant-* )
 365     machine=alliant-2800 opsys=bsd4-3
 366   ;;
 367
 368   ## Alpha (DEC) machines.
 369   alpha*-dec-osf* )
 370     machine=alpha opsys=osf1
 371     # This is needed to find X11R6.1 libraries for certain tests.
 372     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 373     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 374     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 375     # due to non-traditional preprocessing with the current compiler
 376     # defaults.  OSF 4 can also have that compiler version, and there
 377     # seems always to have been a usable /usr/bin/cpp.
 378     NON_GNU_CPP=/usr/bin/cpp
 379     case "${canonical}" in
 380     alpha*-dec-osf[5-9]*)
 381       opsys=osf5-0 ;;
 382     esac
 383   ;;
 384
 385   alpha*-*-linux-gnu* )
 386     machine=alpha opsys=gnu-linux
 387   ;;
 388
 389   arm*-*-linux-gnu* )
 390     machine=arm opsys=gnu-linux
 391   ;;
 392
 393   ## Altos 3068
 394   m68*-altos-sysv* )
 395     machine=altos opsys=usg5-2
 396   ;;
 397
 398   ## Amdahl UTS
 399   580-amdahl-sysv* )
 400     machine=amdahl opsys=usg5-2-2
 401   ;;
 402
 403   ## Apollo, Domain/OS
 404   m68*-apollo-* )
 405     machine=apollo opsys=bsd4-3
 406   ;;
 407
 408   ## Apple Darwin / Mac OS X
 409   *-apple-darwin* )
 410     case "${canonical}" in
 411       i[3456]86-* )  machine=intel386 ;;
 412       powerpc-* )    machine=powermac ;;
 413       * )            unported=yes ;;
 414     esac
 415     opsys=darwin
 416     # Define CPP as follows to make autoconf work correctly.
 417     CPP="${CC-cc} -E -no-cpp-precomp"
 418     # Use fink packages if available.
 419     if test -d /sw/include && test -d /sw/lib; then
 420       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 421       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 422       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 423     fi
 424   ;;
 425
 426   ## AT&T 3b2, 3b5, 3b15, 3b20
 427   we32k-att-sysv* )
 428     machine=att3b opsys=usg5-2-2
 429   ;;
 430
 431   ## AT&T 3b1 - The Mighty Unix PC!
 432   m68*-att-sysv* )
 433     machine=7300 opsys=usg5-2-2
 434   ;;
 435
 436   ## Bull dpx20
 437   rs6000-bull-bosx* )
 438     machine=ibmrs6000 opsys=aix3-2
 439   ;;
 440
 441   ## Bull dpx2
 442   m68*-bull-sysv3* )
 443     machine=dpx2 opsys=usg5-3
 444   ;;
 445
 446   ## Bull sps7
 447   m68*-bull-sysv2* )
 448     machine=sps7 opsys=usg5-2
 449   ;;
 450
 451   ## CCI 5/32, 6/32 -- see "Tahoe".
 452
 453   ## Celerity
 454   ## I don't know what configuration name to use for this; config.sub
 455   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 456   ## in touch with us!
 457   celerity-celerity-bsd* )
 458     machine=celerity opsys=bsd4-2
 459   ;;
 460
 461   ## Clipper
 462   ## What operating systems does this chip run that Emacs has been
 463   ## tested on?
 464   clipper-* )
 465     machine=clipper
 466     ## We'll use the catch-all code at the bottom to guess the
 467     ## operating system.
 468   ;;
 469
 470   ## Compaq Nonstop
 471   mips-compaq-nonstopux* )
 472     machine=nonstopux opsys=nonstopux
 473     ;;
 474
 475   ## Convex
 476   *-convex-bsd* | *-convex-convexos* )
 477     machine=convex opsys=bsd4-3
 478     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 479     NON_GNU_CPP="cc -E -P"
 480   ;;
 481
 482   ## Cubix QBx/386
 483   i[3456]86-cubix-sysv* )
 484     machine=intel386 opsys=usg5-3
 485   ;;
 486
 487   ## Cydra 5
 488   cydra*-cydrome-sysv* )
 489     machine=cydra5 opsys=usg5-3
 490   ;;
 491
 492   ## Data General AViiON Machines
 493   ## DG changed naming conventions with the release of 5.4.4.10, they
 494   ## dropped the initial 5.4 but left the intervening R.  Because of the
 495   ## R this shouldn't conflict with older versions of the OS (which I
 496   ## think were named like dgux4.*). In addition, DG new AViiONs series
 497   ## uses either Motorola M88k or Intel Pentium CPUs.
 498   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 499     machine=aviion opsys=dgux4
 500   ;;
 501   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 502     ## This name is dgux5-4-3 instead of dgux5-4r3
 503     ## to avoid a file name conflict on MSDOS.
 504     machine=aviion opsys=dgux5-4-3
 505   ;;
 506   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 507     machine=aviion opsys=dgux5-4r2
 508   ;;
 509   m88k-dg-dgux* )
 510     machine=aviion opsys=dgux
 511   ;;
 512
 513   ## Data General AViiON Intel (x86) Machines
 514   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 515   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 516   i[345]86-dg-dguxR4* )
 517     machine=aviion-intel opsys=dgux4
 518   ;;
 519
 520   ## DECstations
 521   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 522     machine=pmax opsys=bsd4-2
 523   ;;
 524   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 525     machine=pmax opsys=bsd4-3
 526   ;;
 527   mips-dec-ultrix* )
 528     machine=pmax opsys=ultrix4-3
 529   ;;
 530   mips-dec-osf* )
 531     machine=pmax opsys=osf1
 532   ;;
 533   mips-dec-mach_bsd4.3* )
 534     machine=pmax opsys=mach-bsd4-3
 535   ;;
 536
 537   ## Motorola Delta machines
 538   m68k-motorola-sysv* | m68000-motorola-sysv* )
 539     machine=delta opsys=usg5-3
 540     if test -z "`type gnucc | grep 'not found'`"
 541     then
 542       if test -s /etc/167config
 543       then CC="gnucc -m68040"
 544       else CC="gnucc -m68881"
 545       fi
 546     else
 547       if test -z "`type gcc | grep 'not found'`"
 548       then CC=gcc
 549       else CC=cc
 550       fi
 551     fi
 552   ;;
 553   m88k-motorola-sysv4* )
 554     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 555     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 556     # I hope there are not other 4.0 versions for this machine
 557     # which really need usg5-4 instead.
 558     machine=delta88k opsys=usg5-4-2
 559   ;;
 560   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 561     machine=delta88k opsys=usg5-3
 562   ;;
 563
 564   ## Dual machines
 565   m68*-dual-sysv* )
 566     machine=dual opsys=usg5-2
 567   ;;
 568   m68*-dual-uniplus* )
 569     machine=dual opsys=unipl5-2
 570   ;;
 571
 572   ## Elxsi 6400
 573   elxsi-elxsi-sysv* )
 574     machine=elxsi opsys=usg5-2
 575   ;;
 576
 577   ## Encore machines
 578   ns16k-encore-bsd* )
 579     machine=ns16000 opsys=umax
 580   ;;
 581
 582   ## The GEC 63 - apparently, this port isn't really finished yet.
 583   #  I'm sure we finished off the last of the machines, though.  -- fx
 584
 585   ## Gould Power Node and NP1
 586   pn-gould-bsd4.2* )
 587     machine=gould opsys=bsd4-2
 588   ;;
 589   pn-gould-bsd4.3* )
 590     machine=gould opsys=bsd4-3
 591   ;;
 592   np1-gould-bsd* )
 593     machine=gould-np1 opsys=bsd4-3
 594   ;;
 595
 596   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 597   ## as far as Emacs is concerned).
 598   m88k-harris-cxux* )
 599     # Build needs to be different on 7.0 and later releases
 600     case "`uname -r`" in
 601        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 602        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 603     esac
 604     NON_GNU_CPP="/lib/cpp"
 605   ;;
 606   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 607   m68k-harris-cxux* )
 608     machine=nh3000 opsys=cxux
 609   ;;
 610   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 611   powerpc-harris-powerunix )
 612     machine=nh6000 opsys=powerunix
 613     NON_GNU_CPP="cc -Xo -E -P"
 614   ;;
 615   ## SR2001/SR2201 running HI-UX/MPP
 616   hppa1.1-hitachi-hiuxmpp* )
 617     machine=sr2k opsys=hiuxmpp
 618   ;;
 619   hppa1.1-hitachi-hiuxwe2* )
 620     machine=sr2k opsys=hiuxwe2
 621   ;;
 622   ## Honeywell XPS100
 623   xps*-honeywell-sysv* )
 624     machine=xps100 opsys=usg5-2
 625   ;;
 626
 627   ## HP 9000 series 200 or 300
 628   m68*-hp-bsd* )
 629     machine=hp9000s300 opsys=bsd4-3
 630   ;;
 631   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 632   m68*-hp-hpux* )
 633     case "`uname -r`" in
 634       ## Someone's system reports A.B8.05 for this.
 635       ## I wonder what other possibilities there are.
 636       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 637       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 638       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 639       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 640       *) machine=hp9000s300 opsys=hpux ;;
 641     esac
 642   ;;
 643
 644   ## HP 9000 series 700 and 800, running HP/UX
 645   hppa*-hp-hpux7* )
 646     machine=hp800 opsys=hpux
 647   ;;
 648   hppa*-hp-hpux8* )
 649     machine=hp800 opsys=hpux8
 650   ;;
 651   hppa*-hp-hpux9shr* )
 652     machine=hp800 opsys=hpux9shr
 653   ;;
 654   hppa*-hp-hpux9* )
 655     machine=hp800 opsys=hpux9
 656   ;;
 657   hppa*-hp-hpux10.2* )
 658     machine=hp800 opsys=hpux10-20
 659   ;;
 660   hppa*-hp-hpux10* )
 661     machine=hp800 opsys=hpux10
 662   ;;
 663   hppa*-hp-hpux1[1-9]* )
 664     machine=hp800 opsys=hpux11
 665     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 666   ;;
 667
 668   hppa*-*-linux-gnu* )
 669     machine=hp800 opsys=gnu-linux
 670   ;;
 671
 672   ## HP 9000 series 700 and 800, running HP/UX
 673   hppa*-hp-hpux* )
 674     ## Cross-compilation?  Nah!
 675     case "`uname -r`" in
 676       ## Someone's system reports A.B8.05 for this.
 677       ## I wonder what other possibilities there are.
 678       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 679       *.08.* ) machine=hp800 opsys=hpux8 ;;
 680       *.09.* ) machine=hp800 opsys=hpux9 ;;
 681       *) machine=hp800 opsys=hpux10 ;;
 682     esac
 683   ;;
 684   hppa*-*-nextstep* )
 685     machine=hp800 opsys=nextstep
 686   ;;
 687
 688   ## Orion machines
 689   orion-orion-bsd* )
 690     machine=orion opsys=bsd4-2
 691   ;;
 692   clipper-orion-bsd* )
 693     machine=orion105 opsys=bsd4-2
 694   ;;
 695
 696   ## IBM machines
 697   i[3456]86-ibm-aix1.1* )
 698     machine=ibmps2-aix opsys=usg5-2-2
 699   ;;
 700   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 701     machine=ibmps2-aix opsys=usg5-3
 702   ;;
 703   i370-ibm-aix*)
 704     machine=ibm370aix opsys=usg5-3
 705   ;;
 706   s390-*-linux-gnu* )
 707     machine=ibms390 opsys=gnu-linux
 708   ;;
 709   s390x-*-linux-gnu* )
 710     machine=ibms390x opsys=gnu-linux
 711   ;;
 712   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 713     machine=ibmrs6000 opsys=aix3-1
 714   ;;
 715   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 716     machine=ibmrs6000 opsys=aix3-2-5
 717   ;;
 718   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 719     machine=ibmrs6000 opsys=aix4-1
 720   ;;
 721   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 722     machine=ibmrs6000 opsys=aix4-2
 723   ;;
 724   rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3*  )
 725     machine=ibmrs6000 opsys=aix4-2
 726   ;;
 727   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 728     machine=ibmrs6000 opsys=aix4-2
 729   ;;
 730   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 731     machine=ibmrs6000 opsys=aix4
 732   ;;
 733   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 734     machine=ibmrs6000 opsys=aix4-1
 735   ;;
 736   rs6000-ibm-aix* | powerpc-ibm-aix* )
 737     machine=ibmrs6000 opsys=aix3-2
 738   ;;
 739   romp-ibm-bsd4.3* )
 740     machine=ibmrt opsys=bsd4-3
 741   ;;
 742   romp-ibm-bsd4.2* )
 743     machine=ibmrt opsys=bsd4-2
 744   ;;
 745   romp-ibm-aos4.3* )
 746     machine=ibmrt opsys=bsd4-3
 747   ;;
 748   romp-ibm-aos4.2* )
 749     machine=ibmrt opsys=bsd4-2
 750   ;;
 751   romp-ibm-aos* )
 752     machine=ibmrt opsys=bsd4-3
 753   ;;
 754   romp-ibm-bsd* )
 755     machine=ibmrt opsys=bsd4-3
 756   ;;
 757   romp-ibm-aix* )
 758     machine=ibmrt-aix opsys=usg5-2-2
 759   ;;
 760
 761   ## Integrated Solutions `Optimum V'
 762   m68*-isi-bsd4.2* )
 763     machine=isi-ov opsys=bsd4-2
 764   ;;
 765   m68*-isi-bsd4.3* )
 766     machine=isi-ov opsys=bsd4-3
 767   ;;
 768
 769   ## Intel 386 machines where we do care about the manufacturer
 770   i[3456]86-intsys-sysv* )
 771     machine=is386 opsys=usg5-2-2
 772   ;;
 773
 774   ## Prime EXL
 775   i[3456]86-prime-sysv* )
 776     machine=i386 opsys=usg5-3
 777   ;;
 778
 779   ## Sequent Symmetry running Dynix
 780   i[3456]86-sequent-bsd* )
 781     machine=symmetry opsys=bsd4-3
 782   ;;
 783
 784   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 785   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 786     machine=sequent-ptx opsys=ptx4
 787     NON_GNU_CPP=/lib/cpp
 788   ;;
 789
 790   ## Sequent Symmetry running DYNIX/ptx
 791   ## Use the old cpp rather than the newer ANSI one.
 792   i[3456]86-sequent-ptx* )
 793     machine=sequent-ptx opsys=ptx
 794     NON_GNU_CPP="/lib/cpp"
 795   ;;
 796
 797   ## ncr machine running svr4.3.
 798   i[3456]86-ncr-sysv4.3 )
 799     machine=ncr386 opsys=usg5-4-3
 800   ;;
 801
 802   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 803   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 804   i[3456]86-ncr-sysv* )
 805     machine=ncr386 opsys=usg5-4-2
 806   ;;
 807
 808   ## Intel Paragon OSF/1
 809   i860-intel-osf1* )
 810     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 811   ;;
 812
 813   ## Intel 860
 814   i860-*-sysv4* )
 815     machine=i860 opsys=usg5-4
 816     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 817     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 818   ;;
 819
 820   ## Macintosh PowerPC
 821   powerpc*-*-linux-gnu* )
 822     machine=macppc opsys=gnu-linux
 823   ;;
 824
 825   ## Masscomp machines
 826   m68*-masscomp-rtu* )
 827     machine=masscomp opsys=rtu
 828   ;;
 829
 830   ## Megatest machines
 831   m68*-megatest-bsd* )
 832     machine=mega68 opsys=bsd4-2
 833   ;;
 834
 835   ## Workstations sold by MIPS
 836   ## This is not necessarily all workstations using the MIPS processor -
 837   ## Irises are produced by SGI, and DECstations by DEC.
 838
 839   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 840   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 841   ## it gives for choosing between the alternatives seems to be "Use
 842   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 843   ## the BSD world."  I'll assume that these are instructions for
 844   ## handling two odd situations, and that every other situation
 845   ## should use mips.h and usg5-2-2, they being listed first.
 846   mips-mips-usg* )
 847     machine=mips4
 848     ## Fall through to the general code at the bottom to decide on the OS.
 849   ;;
 850   mips-mips-riscos4* )
 851     machine=mips4 opsys=bsd4-3
 852     NON_GNU_CC="cc -systype bsd43"
 853     NON_GNU_CPP="cc -systype bsd43 -E"
 854   ;;
 855   mips-mips-riscos5* )
 856     machine=mips4 opsys=riscos5
 857     NON_GNU_CC="cc -systype bsd43"
 858     NON_GNU_CPP="cc -systype bsd43 -E"
 859   ;;
 860   mips-mips-bsd* )
 861     machine=mips opsys=bsd4-3
 862   ;;
 863   mips-mips-* )
 864     machine=mips opsys=usg5-2-2
 865   ;;
 866
 867   ## NeXT
 868   m68*-next-* | m68k-*-nextstep* )
 869     machine=m68k opsys=nextstep
 870   ;;
 871
 872   ## The complete machine from National Semiconductor
 873   ns32k-ns-genix* )
 874     machine=ns32000 opsys=usg5-2
 875   ;;
 876
 877   ## NCR machines
 878   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 879     machine=tower32 opsys=usg5-2-2
 880   ;;
 881   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 882     machine=tower32v3 opsys=usg5-3
 883   ;;
 884
 885   ## NEC EWS4800
 886   mips-nec-sysv4*)
 887   machine=ews4800 opsys=ux4800
 888   ;;
 889
 890   ## Nixdorf Targon 31
 891   m68*-nixdorf-sysv* )
 892     machine=targon31 opsys=usg5-2-2
 893   ;;
 894
 895   ## Nu (TI or LMI)
 896   m68*-nu-sysv* )
 897     machine=nu opsys=usg5-2
 898   ;;
 899
 900   ## Plexus
 901   m68*-plexus-sysv* )
 902     machine=plexus opsys=usg5-2
 903   ;;
 904
 905   ## Pyramid machines
 906   ## I don't really have any idea what sort of processor the Pyramid has,
 907   ## so I'm assuming it is its own architecture.
 908   pyramid-pyramid-bsd* )
 909     machine=pyramid opsys=bsd4-2
 910   ;;
 911
 912   ## Sequent Balance
 913   ns32k-sequent-bsd4.2* )
 914     machine=sequent opsys=bsd4-2
 915   ;;
 916   ns32k-sequent-bsd4.3* )
 917     machine=sequent opsys=bsd4-3
 918   ;;
 919
 920   ## Siemens Nixdorf
 921   mips-siemens-sysv* | mips-sni-sysv*)
 922     machine=mips-siemens opsys=usg5-4
 923     NON_GNU_CC=/usr/ccs/bin/cc
 924     NON_GNU_CPP=/usr/ccs/lib/cpp
 925   ;;
 926
 927   ## Silicon Graphics machines
 928   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 929   m68*-sgi-iris3.5* )
 930     machine=irist opsys=iris3-5
 931   ;;
 932   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 933     machine=irist opsys=iris3-6
 934   ;;
 935   ## Iris 4D
 936   mips-sgi-irix3* )
 937     machine=iris4d opsys=irix3-3
 938   ;;
 939   mips-sgi-irix4* )
 940     machine=iris4d opsys=irix4-0
 941   ;;
 942   mips-sgi-irix6.5 )
 943     machine=iris4d opsys=irix6-5
 944     # Without defining _LANGUAGE_C, things get masked out in the headers
 945     # so that, for instance, grepping for `free' in stdlib.h fails and
 946     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 947     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 948     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 949   ;;
 950   mips-sgi-irix6* )
 951     machine=iris4d opsys=irix6-0
 952     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 953     # but presumably it does no harm.
 954     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 955     # -32 probably isn't necessary in later v.6s -- anyone know which?
 956     NON_GCC_TEST_OPTIONS=-32
 957   ;;
 958   mips-sgi-irix5.[01]* )
 959     machine=iris4d opsys=irix5-0
 960   ;;
 961   mips-sgi-irix5* | mips-sgi-irix* )
 962     machine=iris4d opsys=irix5-2
 963   ;;
 964
 965   ## SONY machines
 966   m68*-sony-bsd4.2* )
 967     machine=news opsys=bsd4-2
 968   ;;
 969   m68*-sony-bsd4.3* )
 970     machine=news opsys=bsd4-3
 971   ;;
 972   m68*-sony-newsos3* | m68*-sony-news3*)
 973     machine=news opsys=bsd4-3
 974   ;;
 975   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 976     machine=news-risc opsys=bsd4-3
 977   ;;
 978   mips-sony-newsos6* )
 979     machine=news-r6 opsys=newsos6
 980   ;;
 981   mips-sony-news* )
 982     machine=news-risc opsys=newsos5
 983   ;;
 984
 985   ## Stride
 986   m68*-stride-sysv* )
 987     machine=stride opsys=usg5-2
 988   ;;
 989
 990   ## Suns
 991   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 992     machine=sparc opsys=gnu-linux
 993   ;;
 994
 995   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 996     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 997     | rs6000-*-solaris2*)
 998     case "${canonical}" in
 999       m68*-sunos1* )    machine=sun1 ;;
1000       m68*-sunos2* )    machine=sun2 ;;
1001       m68* )            machine=sun3 ;;
1002       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
1003       i[3456]86-*-* )     machine=intel386 ;;
1004       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
1005       powerpcle* )      machine=powerpcle ;;
1006       powerpc* | rs6000* )  machine=ibmrs6000 ;;
1007       sparc* )          machine=sparc ;;
1008       * )               unported=yes ;;
1009     esac
1010     case "${canonical}" in
1011       ## The Sun386 didn't get past 4.0.
1012       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
1013       *-sunos4.0*         ) opsys=sunos4-0 ;;
1014       *-sunos4.1.[3-9]*noshare )
1015                 ## This name is sunos413 instead of sunos4-1-3
1016                 ## to avoid a file name conflict on MSDOS.
1017                 opsys=sunos413
1018                 NON_GNU_CPP=/usr/lib/cpp
1019                 NON_GCC_TEST_OPTIONS=-Bstatic
1020                 GCC_TEST_OPTIONS=-static
1021                 ;;
1022       *-sunos4.1.[3-9]* | *-sunos4shr*)
1023                 opsys=sunos4shr
1024                 NON_GNU_CPP=/usr/lib/cpp
1025                 ;;
1026       *-sunos4* | *-sunos )
1027                 opsys=sunos4-1
1028                 NON_GCC_TEST_OPTIONS=-Bstatic
1029                 GCC_TEST_OPTIONS=-static
1030                 ;;
1031       *-sunos5.3* | *-solaris2.3* )
1032                 opsys=sol2-3
1033                 NON_GNU_CPP=/usr/ccs/lib/cpp
1034                 ;;
1035       *-sunos5.4* | *-solaris2.4* )
1036                 opsys=sol2-4
1037                 NON_GNU_CPP=/usr/ccs/lib/cpp
1038                 RANLIB="ar -ts"
1039                 ;;
1040       *-sunos5.5* | *-solaris2.5* )
1041                 opsys=sol2-5
1042                 NON_GNU_CPP=/usr/ccs/lib/cpp
1043                 RANLIB="ar -ts"
1044                 ;;
1045       *-sunos5.6* | *-solaris2.6* )
1046                 opsys=sol2-6
1047                 NON_GNU_CPP=/usr/ccs/lib/cpp
1048                 RANLIB="ar -ts"
1049                 ;;
1050       *-sunos5* | *-solaris* )
1051                 opsys=sol2-6
1052                 emacs_check_sunpro_c=yes
1053                 NON_GNU_CPP=/usr/ccs/lib/cpp
1054                 ;;
1055       *                   ) opsys=bsd4-2   ;;
1056     esac
1057     ## Watch out for a compiler that we know will not work.
1058     case "${canonical}" in
1059      *-solaris* | *-sunos5* )
1060                 if [ "x$CC" = x/usr/ucb/cc ]; then
1061                   ## /usr/ucb/cc doesn't work;
1062                   ## we should find some other compiler that does work.
1063                   unset CC
1064                 fi
1065                 ;;
1066       *) ;;
1067     esac
1068   ;;
1069   sparc-*-nextstep* )
1070     machine=sparc opsys=nextstep
1071   ;;
1072
1073   ## Tadpole 68k
1074   m68*-tadpole-sysv* )
1075     machine=tad68k opsys=usg5-3
1076   ;;
1077
1078   ## Tahoe machines
1079   tahoe-tahoe-bsd4.2* )
1080     machine=tahoe opsys=bsd4-2
1081   ;;
1082   tahoe-tahoe-bsd4.3* )
1083     machine=tahoe opsys=bsd4-3
1084   ;;
1085
1086   ## Tandem Integrity S2
1087   mips-tandem-sysv* )
1088     machine=tandem-s2 opsys=usg5-3
1089   ;;
1090
1091   ## Tektronix XD88
1092   m88k-tektronix-sysv3* )
1093   machine=tekxd88 opsys=usg5-3
1094   ;;
1095
1096   ## Tektronix 16000 box (6130?)
1097   ns16k-tektronix-bsd* )
1098     machine=ns16000 opsys=bsd4-2
1099   ;;
1100   ## Tektronix 4300
1101   ## src/m/tek4300.h hints that this is a m68k machine.
1102   m68*-tektronix-bsd* )
1103     machine=tek4300 opsys=bsd4-3
1104   ;;
1105
1106   ## Titan P2 or P3
1107   ## We seem to have lost the machine-description file titan.h!
1108   titan-titan-sysv* )
1109     machine=titan opsys=usg5-3
1110   ;;
1111
1112   ## Ustation E30 (SS5E)
1113   m68*-unisys-uniplus* )
1114     machine=ustation opsystem=unipl5-2
1115   ;;
1116
1117   ## Vaxen.
1118   vax-dec-* )
1119     machine=vax
1120     case "${canonical}" in
1121       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1122       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1123       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1124       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1125       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1126       *-vms* )                                          opsys=vms ;;
1127       * )                                               unported=yes
1128     esac
1129   ;;
1130
1131   ## Whitechapel MG1
1132   ns16k-whitechapel-* )
1133     machine=mg1
1134     ## We don't know what sort of OS runs on these; we'll let the
1135     ## operating system guessing code below try.
1136   ;;
1137
1138   ## Wicat
1139   m68*-wicat-sysv* )
1140     machine=wicat opsys=usg5-2
1141   ;;
1142
1143   ## IA-64
1144   ia64*-*-linux* )
1145     machine=ia64 opsys=gnu-linux
1146   ;;
1147
1148   ## Intel 386 machines where we don't care about the manufacturer
1149   i[3456]86-*-* )
1150     machine=intel386
1151     case "${canonical}" in
1152       *-cygwin )                opsys=cygwin ;;
1153       *-darwin* )               opsys=darwin
1154                                 CPP="${CC-cc} -E -no-cpp-precomp"
1155                                 ;;
1156       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1157       *-isc2.2* )               opsys=isc2-2 ;;
1158       *-isc4.0* )               opsys=isc4-0 ;;
1159       *-isc4.* )                opsys=isc4-1
1160                                 GCC_TEST_OPTIONS=-posix
1161                                 NON_GCC_TEST_OPTIONS=-Xp
1162                                 ;;
1163       *-isc* )                  opsys=isc3-0 ;;
1164       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1165       *-esix* )                 opsys=esix ;;
1166       *-xenix* )                opsys=xenix ;;
1167       *-linux-gnu* )            opsys=gnu-linux ;;
1168       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1169       *-sco3.2v5* )             opsys=sco5
1170                                 NON_GNU_CPP=/lib/cpp
1171                                 # Prevent -belf from being passed to $CPP.
1172                                 # /lib/cpp does not accept it.
1173                                 OVERRIDE_CPPFLAGS=" "
1174                                 ;;
1175       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1176       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1177       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1178       *-386bsd* )               opsys=386bsd ;;
1179       *-nextstep* )             opsys=nextstep ;;
1180       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1181     esac
1182   ;;
1183
1184   ## m68k Linux-based GNU system
1185   m68k-*-linux-gnu* )
1186     machine=m68k opsys=gnu-linux
1187   ;;
1188
1189   ## Mips Linux-based GNU system
1190   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
1191     machine=mips opsys=gnu-linux
1192   ;;
1193
1194   ## UXP/DS
1195   sparc-fujitsu-sysv4* )
1196     machine=sparc opsys=uxpds
1197     NON_GNU_CPP=/usr/ccs/lib/cpp
1198     RANLIB="ar -ts"
1199   ;;
1200
1201   ## UXP/V
1202   f301-fujitsu-uxpv4.1)
1203     machine=f301 opsys=uxpv
1204   ;;
1205
1206   ## AMD x86-64 Linux-based GNU system
1207   x86_64-*-linux-gnu* )
1208     machine=amdx86-64 opsys=gnu-linux
1209   ;;
1210
1211   ## Tensilica Xtensa Linux-based GNU system
1212   xtensa-*-linux-gnu* )
1213     machine=xtensa opsys=gnu-linux
1214     ;;
1215
1216   * )
1217     unported=yes
1218   ;;
1219 esac
1220
1221 ### If the code above didn't choose an operating system, just choose
1222 ### an operating system based on the configuration name.  You really
1223 ### only want to use this when you have no idea what the right
1224 ### operating system is; if you know what operating systems a machine
1225 ### runs, it's cleaner to make it explicit in the case statement
1226 ### above.
1227 if test x"${opsys}" = x; then
1228   case "${canonical}" in
1229     *-gnu* )                            opsys=gnu ;;
1230     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1231     *-bsd4.2 )                          opsys=bsd4-2 ;;
1232     *-bsd4.3 )                          opsys=bsd4-3 ;;
1233     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1234     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1235     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1236     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1237     *-sysv4.2uw* )                      opsys=unixware ;;
1238     *-sysv5uw* )                        opsys=unixware ;;
1239     *-sysv5OpenUNIX* )                  opsys=unixware ;;
1240     *-sysv4.1* | *-sysvr4.1* )
1241         NON_GNU_CPP=/usr/lib/cpp
1242         opsys=usg5-4 ;;
1243     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1244         if [ x$NON_GNU_CPP = x ]; then
1245           if [ -f /usr/ccs/lib/cpp ]; then
1246             NON_GNU_CPP=/usr/ccs/lib/cpp
1247           else
1248             NON_GNU_CPP=/lib/cpp
1249           fi
1250         fi
1251         opsys=usg5-4-2 ;;
1252     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1253     * )
1254       unported=yes
1255     ;;
1256   esac
1257 fi
1258
1259 ]
1260 dnl quotation ends
1261
1262 if test $unported = yes; then
1263   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
1264 Check `etc/MACHINES' for recognized configuration names.])
1265 fi
1266
1267 machfile="m/${machine}.h"
1268 opsysfile="s/${opsys}.h"
1269
1270
1271 #### Choose a compiler.
1272 test -n "$CC" && cc_specified=yes
1273
1274 # Save the value of CFLAGS that the user specified.
1275 SPECIFIED_CFLAGS="$CFLAGS"
1276
1277 case ${with_gcc} in
1278   "yes" ) CC="gcc" GCC=yes ;;
1279   "no"  ) : ${CC=cc} ;;
1280   * )
1281 esac
1282 AC_PROG_CC
1283
1284 # On Suns, sometimes $CPP names a directory.
1285 if test -n "$CPP" && test -d "$CPP"; then
1286   CPP=
1287 fi
1288
1289 ## If not using gcc, and on Solaris, and no CPP specified, see if
1290 ## using a Sun compiler, which needs -Xs to prevent whitespace.
1291 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
1292  test x"$CPP" = x; then
1293   AC_MSG_CHECKING([whether we are using a Sun C compiler])
1294   AC_CACHE_VAL(emacs_cv_sunpro_c,
1295   [AC_TRY_LINK([],
1296 [#ifndef __SUNPRO_C
1297 fail;
1298 #endif
1299 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
1300   AC_MSG_RESULT($emacs_cv_sunpro_c)
1301
1302   if test x"$emacs_cv_sunpro_c" = xyes; then
1303     NON_GNU_CPP="$CC -E -Xs"
1304   fi
1305 fi
1306
1307 #### Some systems specify a CPP to use unless we are using GCC.
1308 #### Now that we know whether we are using GCC, we can decide whether
1309 #### to use that one.
1310 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1311 then
1312   CPP="$NON_GNU_CPP"
1313 fi
1314
1315 #### Some systems specify a CC to use unless we are using GCC.
1316 #### Now that we know whether we are using GCC, we can decide whether
1317 #### to use that one.
1318 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1319   test x$cc_specified != xyes
1320 then
1321   CC="$NON_GNU_CC"
1322 fi
1323
1324 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1325 then
1326   CC="$CC $GCC_TEST_OPTIONS"
1327 fi
1328
1329 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1330 then
1331   CC="$CC $NON_GCC_TEST_OPTIONS"
1332 fi
1333
1334 dnl checks for Unix variants
1335 AC_AIX
1336 AC_GNU_SOURCE
1337
1338 ### Use -Wno-pointer-sign if the compiler supports it
1339 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
1340 SAVE_CFLAGS="$CFLAGS"
1341 CFLAGS="$CFLAGS -Wno-pointer-sign"
1342 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
1343 if test $has_option = yes; then
1344    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
1345 fi
1346 AC_MSG_RESULT($has_option)
1347 CFLAGS="$SAVE_CFLAGS"
1348 unset has_option
1349 unset SAVE_CFLAGS
1350
1351 #### Some other nice autoconf tests.
1352
1353 dnl checks for programs
1354 AC_PROG_LN_S
1355 AC_PROG_CPP
1356 AC_PROG_INSTALL
1357 if test "x$RANLIB" = x; then
1358   AC_PROG_RANLIB
1359 fi
1360 AC_PATH_PROG(INSTALL_INFO, install-info)
1361 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
1362 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
1363 dnl Don't use GZIP, which is used by gzip for additional parameters.
1364 AC_PATH_PROG(GZIP_PROG, gzip)
1365
1366
1367 ## Need makeinfo >= 4.6 (?) to build the manuals.
1368 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1369 dnl By this stage, configure has already checked for egrep and set EGREP,
1370 dnl or exited with an error if no egrep was found.
1371 if test "$MAKEINFO" != "no" && \
1372   test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
1373    MAKEINFO=no
1374 fi
1375
1376 if test "$MAKEINFO" = "no"; then
1377   AC_MSG_ERROR( [makeinfo >= 4.6 is required] )
1378 fi
1379
1380
1381 dnl Add our options to ac_link now, after it is set up.
1382
1383 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1384 then
1385   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1386 fi
1387
1388 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1389 then
1390   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1391 fi
1392
1393 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1394 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1395 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1396 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1397 dnl if not built to support GNU ld.
1398
1399 late_LDFLAGS=$LDFLAGS
1400 if test "$GCC" = yes; then
1401   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
1402 else
1403   LDFLAGS="$LDFLAGS -znocombreloc"
1404 fi
1405
1406 AC_MSG_CHECKING([for -znocombreloc])
1407 AC_LINK_IFELSE([main(){return 0;}],
1408   [AC_MSG_RESULT(yes)],
1409   LDFLAGS=$late_LDFLAGS
1410   [AC_MSG_RESULT(no)])
1411
1412 #### Extract some information from the operating system and machine files.
1413
1414 AC_CHECKING([the machine- and system-dependent files to find out
1415  - which libraries the lib-src programs will want, and
1416  - whether the GNU malloc routines are usable])
1417
1418 ### First figure out CFLAGS (which we use for running the compiler here)
1419 ### and REAL_CFLAGS (which we use for real compilation).
1420 ### The two are the same except on a few systems, where they are made
1421 ### different to work around various lossages.  For example,
1422 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1423 ### as implying static linking.
1424
1425 ### If the CFLAGS env var is specified, we use that value
1426 ### instead of the default.
1427
1428 ### It's not important that this name contain the PID; you can't run
1429 ### two configures in the same directory and have anything work
1430 ### anyway.
1431 tempcname="conftest.c"
1432
1433 echo '
1434 #include "'${srcdir}'/src/'${opsysfile}'"
1435 #include "'${srcdir}'/src/'${machfile}'"
1436 #ifndef LIBS_MACHINE
1437 #define LIBS_MACHINE
1438 #endif
1439 #ifndef LIBS_SYSTEM
1440 #define LIBS_SYSTEM
1441 #endif
1442 #ifndef C_SWITCH_SYSTEM
1443 #define C_SWITCH_SYSTEM
1444 #endif
1445 #ifndef C_SWITCH_MACHINE
1446 #define C_SWITCH_MACHINE
1447 #endif
1448 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1449 configure___ c_switch_system=C_SWITCH_SYSTEM
1450 configure___ c_switch_machine=C_SWITCH_MACHINE
1451
1452 #ifndef LIB_X11_LIB
1453 #define LIB_X11_LIB -lX11
1454 #endif
1455
1456 #ifndef LIBX11_MACHINE
1457 #define LIBX11_MACHINE
1458 #endif
1459
1460 #ifndef LIBX11_SYSTEM
1461 #define LIBX11_SYSTEM
1462 #endif
1463 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1464
1465 #ifdef UNEXEC
1466 configure___ unexec=UNEXEC
1467 #else
1468 configure___ unexec=unexec.o
1469 #endif
1470
1471 #ifdef SYSTEM_MALLOC
1472 configure___ system_malloc=yes
1473 #else
1474 configure___ system_malloc=no
1475 #endif
1476
1477 #ifdef USE_MMAP_FOR_BUFFERS
1478 configure___ use_mmap_for_buffers=yes
1479 #else
1480 configure___ use_mmap_for_buffers=no
1481 #endif
1482
1483 #ifndef C_DEBUG_SWITCH
1484 #define C_DEBUG_SWITCH -g
1485 #endif
1486
1487 #ifndef C_OPTIMIZE_SWITCH
1488 #ifdef __GNUC__
1489 #define C_OPTIMIZE_SWITCH -O2
1490 #else
1491 #define C_OPTIMIZE_SWITCH -O
1492 #endif
1493 #endif
1494
1495 #ifndef C_WARNINGS_SWITCH
1496 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1497 #endif
1498
1499 #ifndef LD_SWITCH_MACHINE
1500 #define LD_SWITCH_MACHINE
1501 #endif
1502
1503 #ifndef LD_SWITCH_SYSTEM
1504 #define LD_SWITCH_SYSTEM
1505 #endif
1506
1507 #ifndef LD_SWITCH_X_SITE_AUX
1508 #define LD_SWITCH_X_SITE_AUX
1509 #endif
1510
1511 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1512 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1513
1514 #ifdef THIS_IS_CONFIGURE
1515
1516 /* Get the CFLAGS for tests in configure.  */
1517 #ifdef __GNUC__
1518 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1519 #else
1520 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1521 #endif
1522
1523 #else /* not THIS_IS_CONFIGURE */
1524
1525 /* Get the CFLAGS for real compilation.  */
1526 #ifdef __GNUC__
1527 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1528 #else
1529 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1530 #endif
1531
1532 #endif /* not THIS_IS_CONFIGURE */
1533 ' > ${tempcname}
1534
1535 # The value of CPP is a quoted variable reference, so we need to do this
1536 # to get its actual value...
1537 CPP=`eval "echo $CPP"`
1538 [eval `${CPP} -Isrc ${tempcname} \
1539        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1540 if test "x$SPECIFIED_CFLAGS" = x; then
1541   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1542          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1543 else
1544   REAL_CFLAGS="$CFLAGS"
1545 fi]
1546 rm ${tempcname}
1547
1548 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1549
1550 ### Make sure subsequent tests use flags consistent with the build flags.
1551
1552 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1553   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1554 else
1555   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1556 fi
1557
1558 dnl For AC_FUNC_GETLOADAVG, at least:
1559 AC_CONFIG_LIBOBJ_DIR(src)
1560
1561 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1562 AC_SYS_LARGEFILE
1563
1564
1565 ### The standard library on x86-64 GNU/Linux distributions can
1566 ### be located in either /usr/lib64 or /usr/lib.
1567 case "${canonical}" in
1568   x86_64-*-linux-gnu* )
1569     if test -d /usr/lib64; then
1570       AC_DEFINE(HAVE_X86_64_LIB64_DIR, 1,
1571         [Define to 1 if the file /usr/lib64 exists.])
1572 fi
1573 esac
1574
1575 dnl This function defintion taken from Gnome 2.0
1576 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1577 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1578 dnl also defines GSTUFF_PKG_ERRORS on error
1579 AC_DEFUN([PKG_CHECK_MODULES], [
1580   succeeded=no
1581
1582   if test -z "$PKG_CONFIG"; then
1583     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1584   fi
1585
1586   if test "$PKG_CONFIG" = "no" ; then
1587      ifelse([$4], , [AC_MSG_ERROR([
1588       *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog.  Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1589   else
1590      PKG_CONFIG_MIN_VERSION=0.9.0
1591      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1592         AC_MSG_CHECKING(for $2)
1593
1594         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1595             AC_MSG_RESULT(yes)
1596             succeeded=yes
1597
1598             AC_MSG_CHECKING($1_CFLAGS)
1599             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1600             AC_MSG_RESULT($$1_CFLAGS)
1601
1602             AC_MSG_CHECKING($1_LIBS)
1603             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1604             AC_MSG_RESULT($$1_LIBS)
1605         else
1606             AC_MSG_RESULT(no)
1607             $1_CFLAGS=""
1608             $1_LIBS=""
1609             ## If we have a custom action on failure, don't print errors, but
1610             ## do set a variable so people can do so.
1611             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1612             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1613         fi
1614
1615         AC_SUBST($1_CFLAGS)
1616         AC_SUBST($1_LIBS)
1617      else
1618         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1619         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1620      fi
1621   fi
1622
1623   if test $succeeded = yes; then
1624      ifelse([$3], , :, [$3])
1625   else
1626      ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1627   fi
1628 ])
1629
1630
1631 if test "${with_sound}" != "no"; then
1632   # Sound support for GNU/Linux and the free BSDs.
1633   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1634   # Emulation library used on NetBSD.
1635   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1636   AC_SUBST(LIBSOUND)
1637
1638   ALSA_REQUIRED=1.0.0
1639   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1640   dnl Check if --with-pkg-config-prog has been given.
1641   if test "X${with_pkg_config_prog}" != X; then
1642     PKG_CONFIG="${with_pkg_config_prog}"
1643   fi
1644   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1645   if test $HAVE_ALSA = yes; then
1646     SAVE_CFLAGS="$CFLAGS"
1647     SAVE_LDFLAGS="$LDFLAGS"
1648     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1649     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1650     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1651                     emacs_alsa_normal=yes,
1652                     emacs_alsa_normal=no)
1653     if test "$emacs_alsa_normal" != yes; then
1654       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1655                      [snd_lib_error_set_handler (0);],
1656                      emacs_alsa_subdir=yes,
1657                      emacs_alsa_subdir=no)
1658       if test "$emacs_alsa_subdir" != yes; then
1659         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1660       fi
1661       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1662     fi
1663
1664     CFLAGS="$SAVE_CFLAGS"
1665     LDFLAGS="$SAVE_LDFLAGS"
1666     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1667     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1668     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1669   fi
1670   AC_SUBST(CFLAGS_SOUND)
1671 fi
1672
1673 dnl checks for header files
1674 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1675   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1676   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1677   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1678   sys/utsname.h pwd.h)
1679
1680 AC_MSG_CHECKING(if personality LINUX32 can be set)
1681 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1682                emacs_cv_personality_linux32=yes,
1683                emacs_cv_personality_linux32=no)
1684 AC_MSG_RESULT($emacs_cv_personality_linux32)
1685
1686 if test $emacs_cv_personality_linux32 = yes; then
1687   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1688             [Define to 1 if personality LINUX32 can be set.])
1689 fi
1690
1691 dnl On Solaris 8 there's a compilation warning for term.h because
1692 dnl it doesn't define `bool'.
1693 AC_CHECK_HEADERS(term.h, , , -)
1694 AC_HEADER_STDC
1695 AC_HEADER_TIME
1696 AC_CHECK_DECLS([sys_siglist])
1697 if test $ac_cv_have_decl_sys_siglist != yes; then
1698   # For Tru64, at least:
1699   AC_CHECK_DECLS([__sys_siglist])
1700   if test $ac_cv_have_decl___sys_siglist = yes; then
1701     AC_DEFINE(sys_siglist, __sys_siglist,
1702               [Define to any substitute for sys_siglist.])
1703   fi
1704 fi
1705 AC_HEADER_SYS_WAIT
1706
1707 dnl Some systems have utime.h but don't declare the struct anyplace.
1708 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1709 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1710 #include <sys/time.h>
1711 #include <time.h>
1712 #else
1713 #ifdef HAVE_SYS_TIME_H
1714 #include <sys/time.h>
1715 #else
1716 #include <time.h>
1717 #endif
1718 #endif
1719 #ifdef HAVE_UTIME_H
1720 #include <utime.h>
1721 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1722   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1723 if test $emacs_cv_struct_utimbuf = yes; then
1724   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1725 fi
1726
1727 dnl checks for typedefs
1728 AC_TYPE_SIGNAL
1729
1730 dnl Check for speed_t typedef.
1731 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1732   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1733     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1734 if test $emacs_cv_speed_t = yes; then
1735   AC_DEFINE(HAVE_SPEED_T, 1,
1736            [Define to 1 if `speed_t' is declared by <termios.h>.])
1737 fi
1738
1739 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1740 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1741 #include <sys/time.h>
1742 #include <time.h>
1743 #else
1744 #ifdef HAVE_SYS_TIME_H
1745 #include <sys/time.h>
1746 #else
1747 #include <time.h>
1748 #endif
1749 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1750   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1751 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1752 if test $emacs_cv_struct_timeval = yes; then
1753   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1754 fi
1755
1756 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1757 AC_TRY_COMPILE([#include <math.h>],
1758 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1759   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1760 HAVE_EXCEPTION=$emacs_cv_struct_exception
1761 if test $emacs_cv_struct_exception != yes; then
1762   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1763 fi
1764
1765 AC_CHECK_HEADERS(sys/socket.h)
1766 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1767 #if HAVE_SYS_SOCKET_H
1768 #include <sys/socket.h>
1769 #endif])
1770
1771 dnl checks for structure members
1772 AC_STRUCT_TM
1773 AC_STRUCT_TIMEZONE
1774 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1775                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1776                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1777                 [#include <time.h>])
1778 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1779                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1780                   struct ifreq.ifr_addr], , ,
1781                  [AC_INCLUDES_DEFAULT
1782 #if HAVE_SYS_SOCKET_H
1783 #include <sys/socket.h>
1784 #endif
1785 #if HAVE_NET_IF_H
1786 #include <net/if.h>
1787 #endif])
1788
1789 dnl checks for compiler characteristics
1790
1791 dnl Testing __STDC__ to determine prototype support isn't good enough.
1792 dnl DEC C, for instance, doesn't define it with default options, and
1793 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1794 dnl and void *.
1795 AC_C_PROTOTYPES
1796 AC_C_VOLATILE
1797 AC_C_CONST
1798 dnl This isn't useful because we can't turn on use of `inline' unless
1799 dnl the compiler groks `extern inline'.
1800 dnl AC_C_INLINE
1801 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1802   [AC_TRY_COMPILE(, [void * foo;],
1803                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1804 if test $emacs_cv_void_star = yes; then
1805   AC_DEFINE(POINTER_TYPE, void)
1806 else
1807   AC_DEFINE(POINTER_TYPE, char)
1808 fi
1809 AH_TEMPLATE(POINTER_TYPE,
1810             [Define as `void' if your compiler accepts `void *'; otherwise
1811              define as `char'.])dnl
1812
1813
1814
1815 dnl This could be used for targets which can have both byte sexes.
1816 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1817 dnl AC_C_BIGENDIAN
1818
1819 dnl check for Make feature
1820 AC_PROG_MAKE_SET
1821
1822 dnl checks for operating system services
1823 AC_SYS_LONG_FILE_NAMES
1824
1825 #### Choose a window system.
1826
1827 AC_PATH_X
1828 if test "$no_x" = yes; then
1829   window_system=none
1830 else
1831   window_system=x11
1832 fi
1833
1834 if test "${x_libraries}" != NONE; then
1835   if test -n "${x_libraries}"; then
1836     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1837     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1838   fi
1839   x_default_search_path=""
1840   x_search_path=${x_libraries}
1841   if test -z "${x_search_path}"; then
1842     x_search_path=/usr/lib
1843   fi
1844   for x_library in `echo ${x_search_path}: | \
1845                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1846     x_search_path="\
1847 ${x_library}/X11/%L/%T/%N%C%S:\
1848 ${x_library}/X11/%l/%T/%N%C%S:\
1849 ${x_library}/X11/%T/%N%C%S:\
1850 ${x_library}/X11/%L/%T/%N%S:\
1851 ${x_library}/X11/%l/%T/%N%S:\
1852 ${x_library}/X11/%T/%N%S"
1853     if test x"${x_default_search_path}" = x; then
1854       x_default_search_path=${x_search_path}
1855     else
1856       x_default_search_path="${x_search_path}:${x_default_search_path}"
1857     fi
1858   done
1859 fi
1860 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1861   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1862 fi
1863
1864 if test x"${x_includes}" = x; then
1865   bitmapdir=/usr/include/X11/bitmaps
1866 else
1867   # accumulate include directories that have X11 bitmap subdirectories
1868   bmd_acc="dummyval"
1869   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1870     if test -d "${bmd}/X11/bitmaps"; then
1871       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1872     fi
1873     if test -d "${bmd}/bitmaps"; then
1874       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1875     fi
1876   done
1877   if test ${bmd_acc} != "dummyval"; then
1878     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1879   fi
1880 fi
1881
1882 HAVE_CARBON=no
1883 if test "${with_carbon}" != no; then
1884   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1885 fi
1886 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1887   if test "${with_carbon+set}" != set \
1888      && test "${carbon_appdir_x+set}" != set; then
1889     for var in with_x with_x_toolkit with_gtk with_xim \
1890                with_xpm with_jpeg with_tiff with_gif with_png; do
1891       if eval test \"\${$var+set}\" = set; then
1892         HAVE_CARBON=no
1893         break
1894       fi
1895     done
1896   fi
1897 fi
1898 if test "${HAVE_CARBON}" = yes; then
1899   window_system=mac
1900 fi
1901
1902 case "${window_system}" in
1903   x11 )
1904     HAVE_X_WINDOWS=yes
1905     HAVE_X11=yes
1906     case "${with_x_toolkit}" in
1907       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1908       motif ) USE_X_TOOLKIT=MOTIF ;;
1909       gtk ) with_gtk=yes
1910 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1911 dnl USE_X_TOOLKIT is set.
1912             USE_X_TOOLKIT=none ;;
1913       no ) USE_X_TOOLKIT=none ;;
1914 dnl If user did not say whether to use a toolkit, make this decision later:
1915 dnl use the toolkit if we have gtk, or X11R5 or newer.
1916       * )
1917           if test x"$with_gtk" = xyes; then
1918              USE_X_TOOLKIT=none
1919           else
1920              USE_X_TOOLKIT=maybe
1921           fi
1922           ;;
1923     esac
1924   ;;
1925   mac | none )
1926     HAVE_X_WINDOWS=no
1927     HAVE_X11=no
1928     USE_X_TOOLKIT=none
1929   ;;
1930 esac
1931
1932 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1933    AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1934    if test "$HAVE_XSERVER" = true ||
1935       test -n "$DISPLAY" ||
1936       test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1937         AC_MSG_ERROR([You seem to be running X, but no X development libraries
1938 were found.  You should install the relevant development files for X
1939 and for the toolkit you want, such as Gtk+, Lesstif or Motif.  Also make
1940 sure you have development files for image handling, i.e.
1941 tiff, gif, jpeg, png and xpm.
1942 If you are sure you want Emacs compiled without X window support, pass
1943   --without-x
1944 to configure.])
1945    fi
1946 fi
1947
1948 ### If we're using X11, we should use the X menu package.
1949 HAVE_MENUS=no
1950 case ${HAVE_X11} in
1951   yes ) HAVE_MENUS=yes ;;
1952 esac
1953
1954 if test "${opsys}" = "hpux9"; then
1955   case "${x_libraries}" in
1956     *X11R4* )
1957       opsysfile="s/hpux9-x11r4.h"
1958       ;;
1959   esac
1960 fi
1961
1962 if test "${opsys}" = "hpux9shr"; then
1963   case "${x_libraries}" in
1964     *X11R4* )
1965       opsysfile="s/hpux9shxr4.h"
1966       ;;
1967   esac
1968 fi
1969
1970 ### Compute the unexec source name from the object name.
1971 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1972
1973 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1974 # Assume not, until told otherwise.
1975 GNU_MALLOC=yes
1976 doug_lea_malloc=yes
1977 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1978 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1979 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1980                emacs_cv_var___after_morecore_hook,
1981 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1982   emacs_cv_var___after_morecore_hook=yes,
1983   emacs_cv_var___after_morecore_hook=no)])
1984 if test $emacs_cv_var___after_morecore_hook = no; then
1985   doug_lea_malloc=no
1986 fi
1987 if test "${system_malloc}" = "yes"; then
1988   GNU_MALLOC=no
1989   GNU_MALLOC_reason="
1990     (The GNU allocators don't work with this system configuration.)"
1991 fi
1992 if test "$doug_lea_malloc" = "yes" ; then
1993   if test "$GNU_MALLOC" = yes ; then
1994     GNU_MALLOC_reason="
1995       (Using Doug Lea's new malloc from the GNU C Library.)"
1996   fi
1997   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1998             [Define to 1 if you are using the GNU C Library.])
1999 fi
2000
2001 if test x"${REL_ALLOC}" = x; then
2002   REL_ALLOC=${GNU_MALLOC}
2003 fi
2004
2005 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
2006 dnl the system configuration file (s/*.h) to turn the use of mmap
2007 dnl in the relocating allocator on.
2008
2009 AC_FUNC_MMAP
2010 if test $use_mmap_for_buffers = yes; then
2011   REL_ALLOC=no
2012 fi
2013
2014 LIBS="$libsrc_libs $LIBS"
2015
2016 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
2017 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
2018 AC_CHECK_LIB(dnet, dnet_ntoa)
2019 dnl This causes -lresolv to get used in subsequent tests,
2020 dnl which causes failures on some systems such as HPUX 9.
2021 dnl AC_CHECK_LIB(resolv, gethostbyname)
2022
2023 dnl FIXME replace main with a function we actually want from this library.
2024 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2025
2026 AC_CHECK_LIB(pthreads, cma_open)
2027
2028 AC_MSG_CHECKING(for XFree86 in /usr/X386)
2029 if test -d /usr/X386/include; then
2030   HAVE_XFREE386=yes
2031   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
2032 else
2033   HAVE_XFREE386=no
2034 fi
2035 AC_MSG_RESULT($HAVE_XFREE386)
2036
2037 dnl Check for need for bigtoc support on IBM AIX
2038
2039 case ${host_os} in
2040 aix*)
2041   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2042     case $GCC in
2043     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2044     *) gdb_cv_bigtoc=-bbigtoc ;;
2045     esac
2046
2047     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2048     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
2049   ])
2050   ;;
2051 esac
2052
2053 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2054 # used for the tests that follow.  We set them back to REAL_CFLAGS and
2055 # REAL_CPPFLAGS later on.
2056
2057 REAL_CPPFLAGS="$CPPFLAGS"
2058
2059 if test "${HAVE_X11}" = "yes"; then
2060   DEFS="$C_SWITCH_X_SITE $DEFS"
2061   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2062   LIBS="$LIBX $LIBS"
2063   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2064   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2065
2066   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2067   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
2068   # but it's more convenient here to set LD_RUN_PATH
2069   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
2070   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2071     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2072     export LD_RUN_PATH
2073   fi
2074
2075   if test "${opsys}" = "gnu-linux"; then
2076     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2077     AC_TRY_LINK([],
2078      [XOpenDisplay ("foo");],
2079      [xlinux_first_failure=no],
2080      [xlinux_first_failure=yes])
2081     if test "${xlinux_first_failure}" = "yes"; then
2082       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2083       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2084       OLD_CPPFLAGS="$CPPFLAGS"
2085       OLD_LIBS="$LIBS"
2086       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2087       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2088       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2089       LIBS="$LIBS -b i486-linuxaout"
2090       AC_TRY_LINK([],
2091        [XOpenDisplay ("foo");],
2092        [xlinux_second_failure=no],
2093        [xlinux_second_failure=yes])
2094       if test "${xlinux_second_failure}" = "yes"; then
2095         # If we get the same failure with -b, there is no use adding -b.
2096         # So take it out.  This plays safe.
2097         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2098         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2099         CPPFLAGS="$OLD_CPPFLAGS"
2100         LIBS="$OLD_LIBS"
2101         AC_MSG_RESULT(no)
2102       else
2103         AC_MSG_RESULT(yes)
2104       fi
2105     else
2106       AC_MSG_RESULT(no)
2107     fi
2108   fi
2109
2110   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2111   # header files included from there.
2112   AC_MSG_CHECKING(for Xkb)
2113   AC_TRY_LINK([#include <X11/Xlib.h>
2114 #include <X11/XKBlib.h>],
2115         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
2116         emacs_xkb=yes, emacs_xkb=no)
2117   AC_MSG_RESULT($emacs_xkb)
2118   if test $emacs_xkb = yes; then
2119     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
2120   fi
2121
2122   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2123 XScreenNumberOfScreen XSetWMProtocols)
2124 fi
2125
2126 if test "${window_system}" = "x11"; then
2127   AC_MSG_CHECKING(X11 version 6)
2128   AC_CACHE_VAL(emacs_cv_x11_version_6,
2129   [AC_TRY_LINK([#include <X11/Xlib.h>],
2130 [#if XlibSpecificationRelease < 6
2131 fail;
2132 #endif
2133 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2134   if test $emacs_cv_x11_version_6 = yes; then
2135     AC_MSG_RESULT(6 or newer)
2136     AC_DEFINE(HAVE_X11R6, 1,
2137               [Define to 1 if you have the X11R6 or newer version of Xlib.])
2138   else
2139     AC_MSG_RESULT(before 6)
2140   fi
2141 fi
2142
2143
2144 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2145 HAVE_RSVG=no
2146 if test "${HAVE_X11}" = "yes" || test "${HAVE_CARBON}" = "yes"; then
2147   if test "${with_rsvg}" != "no"; then
2148     dnl Check if `--with-pkg-config-prog' has been given.
2149     if test "X${with_pkg_config_prog}" != X; then
2150       PKG_CONFIG="${with_pkg_config_prog}"
2151     fi
2152
2153     RSVG_REQUIRED=2.0.0
2154     RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2155
2156     PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, :, :)
2157     AC_SUBST(RSVG_CFLAGS)
2158     AC_SUBST(RSVG_LIBS)
2159
2160     if test ".${RSVG_CFLAGS}" != "."; then
2161       HAVE_RSVG=yes
2162       AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2163       CFLAGS="$CFLAGS $RSVG_CFLAGS"
2164       LIBS="$RSVG_LIBS $LIBS"
2165     fi
2166   fi
2167 fi
2168
2169
2170 HAVE_GTK=no
2171 if test "${with_gtk}" = "yes" && test "$USE_X_TOOLKIT" = "gtk"; then
2172   USE_X_TOOLKIT=none
2173 fi
2174 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk" || \
2175  test "$USE_X_TOOLKIT" = "maybe"; then
2176   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
2177     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
2178   fi
2179   GLIB_REQUIRED=2.6
2180   GTK_REQUIRED=2.6
2181   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2182
2183   dnl Check if --with-pkg-config-prog has been given.
2184   if test "X${with_pkg_config_prog}" != X; then
2185     PKG_CONFIG="${with_pkg_config_prog}"
2186   fi
2187   dnl Checks for libraries.
2188   PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2189   if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
2190      AC_MSG_ERROR($GTK_PKG_ERRORS)
2191   fi
2192 fi
2193
2194
2195 if test x"$pkg_check_gtk" = xyes; then
2196
2197   AC_SUBST(GTK_CFLAGS)
2198   AC_SUBST(GTK_LIBS)
2199   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2200   CFLAGS="$CFLAGS $GTK_CFLAGS"
2201   LIBS="$GTK_LIBS $LIBS"
2202   dnl Try to compile a simple GTK program.
2203   GTK_COMPILES=no
2204   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2205   if test "${GTK_COMPILES}" != "yes"; then
2206     if test "$USE_X_TOOLKIT" != "maybe"; then
2207       AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
2208     fi
2209   else
2210     HAVE_GTK=yes
2211     AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
2212     USE_X_TOOLKIT=none
2213   fi
2214
2215 fi
2216
2217
2218 if test "${HAVE_GTK}" = "yes"; then
2219
2220   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2221   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
2222   if test "$with_toolkit_scroll_bars" != no; then
2223     with_toolkit_scroll_bars=yes
2224   fi
2225
2226   dnl  Check if we can use multiple displays with this GTK version.
2227   dnl  If gdk_display_open exists, assume all others are there also.
2228   HAVE_GTK_MULTIDISPLAY=no
2229   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
2230   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
2231     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
2232               [Define to 1 if GTK can handle more than one display.])
2233   fi
2234
2235   dnl  Check if we have the old file selection dialog.
2236   dnl  If gdk_display_open exists, assume all others are there also.
2237   HAVE_GTK_FILE_SELECTION=no
2238   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
2239
2240   dnl  Check if we have the new file chooser dialog
2241   dnl  If gdk_display_open exists, assume all others are there also.
2242   HAVE_GTK_FILE_CHOOSER=no
2243   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
2244
2245   if test "$HAVE_GTK_FILE_SELECTION" = yes \
2246      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
2247     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
2248               [Define to 1 if GTK has both file selection and chooser dialog.])
2249   fi
2250
2251   dnl Check if pthreads are available.  Emacs only needs this when using
2252   dnl gtk_file_chooser under Gnome.
2253   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
2254     HAVE_GTK_AND_PTHREAD=no
2255     AC_CHECK_HEADERS(pthread.h)
2256     if test "$ac_cv_header_pthread_h"; then
2257       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
2258     fi
2259     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
2260       case "${canonical}" in
2261         *-hpux*) ;;
2262         *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
2263       esac
2264       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
2265                [Define to 1 if you have GTK and pthread (-lpthread).])
2266     fi
2267   fi
2268 fi
2269
2270 dnl D-Bus has been tested under GNU/Linux only.  Must be adapted for
2271 dnl other platforms.  Support for higher D-Bus versions but 1.0 is
2272 dnl also not configured.
2273 HAVE_DBUS=no
2274 if test "${with_dbus}" = "yes"; then
2275    PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2276    if test "$HAVE_DBUS" = yes; then
2277       AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2278    fi
2279 fi
2280
2281 dnl Do not put whitespace before the #include statements below.
2282 dnl Older compilers (eg sunos4 cc) choke on it.
2283 HAVE_XAW3D=no
2284 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2285   if test "$with_xaw3d" != no; then
2286     AC_MSG_CHECKING(for xaw3d)
2287     AC_CACHE_VAL(emacs_cv_xaw3d,
2288     [AC_TRY_LINK([
2289 #include <X11/Intrinsic.h>
2290 #include <X11/Xaw3d/Simple.h>],
2291       [],
2292       emacs_cv_xaw3d=yes,
2293       emacs_cv_xaw3d=no)])
2294   else
2295     emacs_cv_xaw3d=no
2296   fi
2297   if test $emacs_cv_xaw3d = yes; then
2298     AC_MSG_RESULT([yes; using Lucid toolkit])
2299     USE_X_TOOLKIT=LUCID
2300     HAVE_XAW3D=yes
2301     AC_DEFINE(HAVE_XAW3D, 1,
2302               [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2303   else
2304     AC_MSG_RESULT(no)
2305     AC_MSG_CHECKING(for libXaw)
2306     AC_CACHE_VAL(emacs_cv_xaw,
2307     [AC_TRY_LINK([
2308 #include <X11/Intrinsic.h>
2309 #include <X11/Xaw/Simple.h>],
2310       [],
2311       emacs_cv_xaw=yes,
2312       emacs_cv_xaw=no)])
2313     if test $emacs_cv_xaw = yes; then
2314       AC_MSG_RESULT([yes; using Lucid toolkit])
2315       USE_X_TOOLKIT=LUCID
2316     elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2317       AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2318     else
2319       AC_MSG_RESULT([no; do not use toolkit by default])
2320       USE_X_TOOLKIT=none
2321     fi
2322   fi
2323 fi
2324
2325 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2326
2327 if test "${USE_X_TOOLKIT}" != "none"; then
2328   AC_MSG_CHECKING(X11 toolkit version)
2329   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2330   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2331 [#if XtSpecificationRelease < 6
2332 fail;
2333 #endif
2334 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2335   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2336   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2337     AC_MSG_RESULT(6 or newer)
2338     AC_DEFINE(HAVE_X11XTR6, 1,
2339               [Define to 1 if you have the X11R6 or newer version of Xt.])
2340   else
2341     AC_MSG_RESULT(before 6)
2342   fi
2343
2344 dnl If using toolkit, check whether libXmu.a exists.
2345 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2346   OLDLIBS="$LIBS"
2347   if test x$HAVE_X11XTR6 = xyes; then
2348     LIBS="-lXt -lSM -lICE $LIBS"
2349   else
2350     LIBS="-lXt $LIBS"
2351   fi
2352   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2353   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2354 fi
2355
2356 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2357 if test "${HAVE_X11}" = "yes"; then
2358   if test "${USE_X_TOOLKIT}" != "none"; then
2359     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2360   fi
2361 fi
2362
2363 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2364   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2365   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2366     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2367 int x = 5;
2368 #else
2369 Motif version prior to 2.1.
2370 #endif],
2371     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2372   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
2373   if test $emacs_cv_motif_version_2_1 = yes; then
2374     HAVE_LIBXP=no
2375     AC_DEFINE(HAVE_MOTIF_2_1, 1,
2376               [Define to 1 if you have Motif 2.1 or newer.])
2377     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
2378     if test ${HAVE_LIBXP} = yes; then
2379       AC_DEFINE(HAVE_LIBXP, 1,
2380                 [Define to 1 if you have the Xp library (-lXp).])
2381     fi
2382   else
2383     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2384     # We put this in CFLAGS temporarily to precede other -I options
2385     # that might be in CFLAGS temporarily.
2386     # We put this in CPPFLAGS where it precedes the other -I options.
2387     OLD_CPPFLAGS=$CPPFLAGS
2388     OLD_CFLAGS=$CFLAGS
2389     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2390     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2391     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2392       [int x = 5;],
2393       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2394     if test $emacs_cv_lesstif = yes; then
2395       # Make sure this -I option remains in CPPFLAGS after it is set
2396       # back to REAL_CPPFLAGS.
2397       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2398       # have those other -I options anyway.  Ultimately, having this
2399       # directory ultimately in CPPFLAGS will be enough.
2400       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2401       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2402     else
2403       CFLAGS=$OLD_CFLAGS
2404       CPPFLAGS=$OLD_CPPFLAGS
2405     fi
2406   fi
2407 fi
2408
2409 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2410 dnl using Motif or Xaw3d is available, and unless
2411 dnl --with-toolkit-scroll-bars=no was specified.
2412
2413 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2414             [Define to 1 if we should use toolkit scroll bars.])dnl
2415 USE_TOOLKIT_SCROLL_BARS=no
2416 if test "${with_toolkit_scroll_bars}" != "no"; then
2417   if test "${USE_X_TOOLKIT}" != "none"; then
2418     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2419       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2420       HAVE_XAW3D=no
2421       USE_TOOLKIT_SCROLL_BARS=yes
2422     elif test "${HAVE_XAW3D}" = "yes"; then
2423       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2424       USE_TOOLKIT_SCROLL_BARS=yes
2425     fi
2426   elif test "${HAVE_GTK}" = "yes"; then
2427     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2428     USE_TOOLKIT_SCROLL_BARS=yes
2429   elif test "${HAVE_CARBON}" = "yes"; then
2430     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2431     USE_TOOLKIT_SCROLL_BARS=yes
2432   fi
2433 fi
2434
2435 dnl See if XIM is available.
2436 AC_TRY_COMPILE([
2437           #include <X11/Xlib.h>
2438           #include <X11/Xresource.h>],
2439          [XIMProc  callback;],
2440          [HAVE_XIM=yes
2441          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2442          HAVE_XIM=no)
2443
2444 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2445
2446 if test "${with_xim}" != "no"; then
2447   AC_DEFINE(USE_XIM, 1,
2448             [Define to 1 if we should use XIM, if it is available.])
2449 fi
2450
2451
2452 if test "${HAVE_XIM}" != "no"; then
2453   late_CFLAGS=$CFLAGS
2454   if test "$GCC" = yes; then
2455     CFLAGS="$CFLAGS --pedantic-errors"
2456   fi
2457   AC_TRY_COMPILE([
2458 #include <X11/Xlib.h>
2459 #include <X11/Xresource.h>],
2460 [Display *display;
2461 XrmDatabase db;
2462 char *res_name;
2463 char *res_class;
2464 XIMProc  callback;
2465 XPointer *client_data;
2466 #ifndef __GNUC__
2467 /* If we're not using GCC, it's probably not XFree86, and this is
2468    probably right, but we can't use something like --pedantic-errors.  */
2469 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2470                                            char*, XIMProc, XPointer*);
2471 #endif
2472 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2473    client_data);],
2474     [emacs_cv_arg6_star=yes])
2475   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2476          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2477 either XPointer or XPointer*.])dnl
2478   if test "$emacs_cv_arg6_star" = yes; then
2479     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2480   else
2481     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2482   fi
2483   CFLAGS=$late_CFLAGS
2484 fi
2485
2486 ### For font-backend
2487 if test "${USE_FONT_BACKEND}" = "yes"; then
2488
2489 AC_DEFINE(USE_FONT_BACKEND, 1,
2490           [Define to 1 if we should use font-backend.])
2491
2492 ### Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'.
2493 HAVE_XFT=maybe
2494 if test "${HAVE_X11}" = "yes"; then
2495   if test "x${with_freetype}" = "xno"; then
2496     with_xft="no";
2497   fi
2498   if test "x${with_xft}" != "xno"; then
2499
2500     dnl Check if --with-pkg-config-prog has been given.
2501     if test "X${with_pkg_config_prog}" != X; then
2502       PKG_CONFIG="${with_pkg_config_prog}"
2503     fi
2504
2505     PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2506     if test "$HAVE_XFT" != no; then
2507       OLD_CPPFLAGS="$CPPFLAGS"
2508       OLD_CFLAGS="$CFLAGS"
2509       OLD_LIBS="$LIBS"
2510       CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2511       CFLAGS="$CFLAGS $XFT_CFLAGS"
2512       LIBS="$XFT_LIBS $LIBS"
2513       AC_CHECK_HEADER(X11/Xft/Xft.h,
2514         AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2515
2516       if test "${HAVE_XFT}" = "yes"; then
2517         AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2518         AC_SUBST(XFT_LIBS)
2519         C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2520       else
2521         CFLAGS="$OLD_CPPFLAGS"
2522         CFLAGS="$OLD_CFLAGS"
2523         LIBS="$OLD_LIBS"
2524       fi
2525     fi
2526   fi
2527 fi
2528
2529 HAVE_FREETYPE=no
2530 ### Use -lfreetype if available, unless `--with-freetype=no'.
2531 if test "${HAVE_XFT}" = "yes"; then
2532   dnl As we use Xft, we anyway use freetype.
2533   dnl In this case, there's no need of additional CFLAGS and LIBS.
2534   HAVE_FREETYPE=yes
2535 elif test "x${with_freetype}" != "xno"; then
2536   dnl Check if --with-pkg-config-prog has been given.
2537   if test "X${with_pkg_config_prog}" != X; then
2538     PKG_CONFIG="${with_pkg_config_prog}"
2539   fi
2540
2541   PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no)
2542   if test "${HAVE_FREETYPE}" = "yes"; then
2543     PKG_CHECK_MODULES(FONTCONFIG, fontconfig, HAVE_FC=yes, HAVE_FC=no)
2544     if test "${HAVE_FC}" = "no"; then
2545       dnl Witout fontconfig, we can't use freetype at the moment.
2546       HAVE_FREETYPE=no
2547     fi
2548   fi
2549 fi
2550 if test "${HAVE_FREETYPE}" = "yes"; then
2551   AC_DEFINE(HAVE_FREETYPE, 1,
2552            [Define to 1 if you have freetype and fontconfig libraries.])
2553   AC_CHECK_PROG(HAVE_LIBOTF, libotf-config, yes, no)
2554   if test "${HAVE_LIBOTF}" = "yes"; then
2555     AC_CHECK_LIB(otf, OTF_get_features, , HAVE_LIBOTF=no)
2556     if test "${HAVE_LIBOTF}" = "yes"; then
2557       AC_DEFINE(HAVE_LIBOTF, 1,
2558                [Define to 1 if you have libotf library.])
2559       LIBOTF_CFLAGS=`libotf-config --cflags`
2560       LIBOTF_LIBS=`libotf-config --libs`
2561     fi
2562   fi
2563 fi
2564 AC_SUBST(FREETYPE_CFLAGS)
2565 AC_SUBST(FREETYPE_LIBS)
2566 AC_SUBST(FONTCONFIG_CFLAGS)
2567 AC_SUBST(FONTCONFIG_LIBS)
2568 AC_SUBST(LIBOTF_CFLAGS)
2569 AC_SUBST(LIBOTF_LIBS)
2570
2571 dnl Check if --with-pkg-config-prog has been given.
2572 if test "X${with_pkg_config_prog}" != X; then
2573   PKG_CONFIG="${with_pkg_config_prog}"
2574 fi
2575 dnl Checks for libraries.
2576 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, pkg_check_m17n_flt=yes,
2577                   pkg_check_m17n_flt=no)
2578 if test "$pkg_check_m17n_flt" = "yes"; then
2579   AC_DEFINE(HAVE_M17N_FLT, 1,
2580             [Define to 1 if you have m17n-flt library.])
2581   AC_SUBST(M17N_FLT_CFLAGS)
2582   AC_SUBST(M17N_FLT_LIBS)
2583   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $M17N_FLT_CFLAGS"
2584   CFLAGS="$CFLAGS $M17N_FLT_CFLAGS"
2585   LIBS="$LIBS $M17N_FLT_LIBS"
2586 fi
2587
2588 fi
2589
2590 ### Use -lXpm if available, unless `--with-xpm=no'.
2591 HAVE_XPM=no
2592 if test "${HAVE_X11}" = "yes"; then
2593   if test "${with_xpm}" != "no"; then
2594     AC_CHECK_HEADER(X11/xpm.h,
2595       [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2596     if test "${HAVE_XPM}" = "yes"; then
2597       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2598       AC_EGREP_CPP(no_return_alloc_pixels,
2599       [#include "X11/xpm.h"
2600 #ifndef XpmReturnAllocPixels
2601 no_return_alloc_pixels
2602 #endif
2603       ], HAVE_XPM=no, HAVE_XPM=yes)
2604
2605       if test "${HAVE_XPM}" = "yes"; then
2606         AC_MSG_RESULT(yes)
2607       else
2608         AC_MSG_RESULT(no)
2609       fi
2610     fi
2611   fi
2612
2613   if test "${HAVE_XPM}" = "yes"; then
2614     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2615   fi
2616 fi
2617
2618 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2619 HAVE_JPEG=no
2620 if test "${HAVE_X11}" = "yes"; then
2621   if test "${with_jpeg}" != "no"; then
2622     dnl Checking for jpeglib.h can lose because of a redefinition of
2623     dnl  HAVE_STDLIB_H.
2624     AC_CHECK_HEADER(jerror.h,
2625       [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2626   fi
2627
2628   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2629   if test "${HAVE_JPEG}" = "yes"; then
2630     AC_DEFINE(HAVE_JPEG)
2631     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2632         [#include <jpeglib.h>
2633          version=JPEG_LIB_VERSION
2634 ],
2635         [AC_DEFINE(HAVE_JPEG)],
2636         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2637         HAVE_JPEG=no])
2638   fi
2639 fi
2640
2641 ### Use -lpng if available, unless `--with-png=no'.
2642 HAVE_PNG=no
2643 if test "${HAVE_X11}" = "yes"; then
2644   if test "${with_png}" != "no"; then
2645     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2646     # in /usr/include/libpng.
2647     AC_CHECK_HEADERS(png.h libpng/png.h)
2648     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2649       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2650     fi
2651   fi
2652
2653   if test "${HAVE_PNG}" = "yes"; then
2654     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2655   fi
2656 fi
2657
2658 ### Use -ltiff if available, unless `--with-tiff=no'.
2659 HAVE_TIFF=no
2660 if test "${HAVE_X11}" = "yes"; then
2661   if test "${with_tiff}" != "no"; then
2662     AC_CHECK_HEADER(tiffio.h,
2663       [tifflibs="-lz -lm"
2664       # At least one tiff package requires the jpeg library.
2665       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2666       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2667   fi
2668
2669   if test "${HAVE_TIFF}" = "yes"; then
2670     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2671   fi
2672 fi
2673
2674 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2675 HAVE_GIF=no
2676 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2677   AC_CHECK_HEADER(gif_lib.h,
2678 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2679 # Earlier versions can crash Emacs.
2680     [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes)])
2681
2682   if test "$HAVE_GIF" = yes; then
2683       ac_gif_lib_name="-lgif"
2684   fi
2685
2686 # If gif_lib.h but no libgif, try libungif.
2687   if test x"$try_libungif" = xyes; then
2688     AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes)
2689
2690     if test "$HAVE_GIF" = yes; then
2691       AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).])
2692       ac_gif_lib_name="-lungif"
2693     fi
2694   fi
2695
2696   if test "${HAVE_GIF}" = "yes"; then
2697     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).])
2698   fi
2699 fi
2700
2701 dnl Check for required libraries.
2702 if test "${HAVE_X11}" = "yes"; then
2703   MISSING=""
2704   WITH_NO=""
2705   test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2706     MISSING="libXpm" && WITH_NO="--with-xpm=no"
2707   test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2708     MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2709   test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2710     MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2711   test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2712     MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2713   test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2714     MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2715
2716   if test "X${MISSING}" != X; then
2717     AC_MSG_ERROR([The following required libraries were not found:
2718     $MISSING
2719 Maybe some development libraries/packages are missing?
2720 If you don't want to link with them give
2721     $WITH_NO
2722 as options to configure])
2723   fi
2724 fi
2725
2726 ### Use -lgpm if available, unless `--with-gpm=no'.
2727 HAVE_GPM=no
2728 if test "${with_gpm}" != "no"; then
2729   AC_CHECK_HEADER(gpm.h,
2730     [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2731 fi
2732
2733 if test "${HAVE_GPM}" = "yes"; then
2734   AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2735 fi
2736
2737 dnl Check for malloc/malloc.h on darwin
2738 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2739
2740 ### Use Mac OS X Carbon API to implement GUI.
2741 if test "${HAVE_CARBON}" = "yes"; then
2742   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2743   ## Specify the install directory
2744   carbon_appdir=
2745   if test "${carbon_appdir_x}" != ""; then
2746     case ${carbon_appdir_x} in
2747       y | ye | yes)  carbon_appdir=/Applications ;;
2748       * ) carbon_appdir=${carbon_appdir_x} ;;
2749     esac
2750   fi
2751   # We also have mouse menus.
2752   HAVE_MENUS=yes
2753 fi
2754
2755 ### Use session management (-lSM -lICE) if available
2756 HAVE_X_SM=no
2757 if test "${HAVE_X11}" = "yes"; then
2758   AC_CHECK_HEADER(X11/SM/SMlib.h,
2759     [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2760
2761   if test "${HAVE_X_SM}" = "yes"; then
2762     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2763     case "$LIBS" in
2764       *-lSM*) ;;
2765       *)      LIBS="-lSM -lICE $LIBS" ;;
2766     esac
2767   fi
2768 fi
2769
2770 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2771 AC_CACHE_CHECK(whether netdb declares h_errno,
2772                emacs_cv_netdb_declares_h_errno,
2773 [AC_TRY_LINK([#include <netdb.h>],
2774   [return h_errno;],
2775   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2776 if test $emacs_cv_netdb_declares_h_errno = yes; then
2777   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2778 fi
2779
2780 AC_FUNC_ALLOCA
2781
2782 dnl src/alloca.c has been removed.  Could also check if $ALLOCA is set?
2783 dnl FIXME is there an autoconf test that does the right thing, without
2784 dnl needing to call A_M_E afterwards?
2785 if test x"$ac_cv_func_alloca_works" != xyes; then
2786    AC_MSG_ERROR( [a system implementation of alloca is required] )
2787 fi
2788
2789 # fmod, logb, and frexp are found in -lm on most systems.
2790 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2791 AC_CHECK_LIB(m, sqrt)
2792
2793 # Check for mail-locking functions in a "mail" library.  Probably this should
2794 # have the same check as for liblockfile below.
2795 AC_CHECK_LIB(mail, maillock)
2796 dnl Debian, at least:
2797 AC_CHECK_LIB(lockfile, maillock)
2798 # If we have the shared liblockfile, assume we must use it for mail
2799 # locking (e.g. Debian).  If we couldn't link against liblockfile
2800 # (no liblockfile.a installed), ensure that we don't need to.
2801 if test "$ac_cv_lib_lockfile_maillock" = no; then
2802   dnl This works for files generally, not just executables.
2803   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2804   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2805                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2806   if test $ac_cv_prog_liblockfile = yes; then
2807     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2808 This probably means that movemail could lose mail.
2809 There may be a `development' package to install containing liblockfile.])
2810   else :
2811   fi
2812 fi
2813 AC_CHECK_FUNCS(touchlock)
2814 AC_CHECK_HEADERS(maillock.h)
2815
2816 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2817 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2818 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
2819 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2820 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2821 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2822 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2823 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2824 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2825
2826 AC_CHECK_HEADERS(sys/un.h)
2827
2828 AC_FUNC_MKTIME
2829 if test "$ac_cv_func_working_mktime" = no; then
2830   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2831 fi
2832
2833 AC_FUNC_GETLOADAVG
2834
2835 AC_FUNC_FSEEKO
2836
2837 # Configure getopt.
2838 m4_include([m4/getopt.m4])
2839 gl_GETOPT_IFELSE([
2840   gl_GETOPT_SUBSTITUTE_HEADER
2841   gl_PREREQ_GETOPT
2842   GETOPTOBJS='getopt.o getopt1.o'
2843 ])
2844 AC_SUBST(GETOPTOBJS)
2845
2846 AC_FUNC_GETPGRP
2847
2848 AC_FUNC_STRFTIME
2849
2850 # UNIX98 PTYs.
2851 AC_CHECK_FUNCS(grantpt)
2852
2853 # PTY-related GNU extensions.
2854 AC_CHECK_FUNCS(getpt)
2855
2856 # Check this now, so that we will NOT find the above functions in ncurses.
2857 # That is because we have not set up to link ncurses in lib-src.
2858 # It's better to believe a function is not available
2859 # than to expect to find it in ncurses.
2860 AC_CHECK_LIB(ncurses, tparm)
2861
2862 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2863
2864 resolv=no
2865 AC_TRY_LINK([#include <netinet/in.h>
2866 #include <arpa/nameser.h>
2867 #include <resolv.h>],
2868     [return res_init();],
2869     have_res_init=yes, have_res_init=no)
2870 if test "$have_res_init" = no; then
2871   OLIBS="$LIBS"
2872   LIBS="$LIBS -lresolv"
2873   AC_MSG_CHECKING(for res_init with -lresolv)
2874   AC_TRY_LINK([#include <netinet/in.h>
2875 #include <arpa/nameser.h>
2876 #include <resolv.h>],
2877     [return res_init();],
2878     have_res_init=yes, have_res_init=no)
2879   AC_MSG_RESULT($have_res_init)
2880   if test "$have_res_init" = yes ; then
2881     resolv=yes
2882   fi
2883   LIBS="$OLIBS"
2884 fi
2885
2886 if test "$have_res_init" = yes; then
2887   AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2888 fi
2889
2890 # Do we need the Hesiod library to provide the support routines?
2891 if test "$with_hesiod" = yes ; then
2892   # Don't set $LIBS here -- see comments above.
2893   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2894      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2895                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2896   if test "$resolv" = yes ; then
2897     RESOLVLIB=-lresolv
2898   else
2899     RESOLVLIB=
2900   fi
2901   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2902         [AC_DEFINE(HAVE_LIBHESIOD, 1,
2903                   [Define to 1 if you have the hesiod library (-lhesiod).])],
2904         :, $RESOLVLIB)])
2905 fi
2906
2907 # Do we need libresolv (due to res_init or Hesiod)?
2908 if test "$resolv" = yes ; then
2909   AC_DEFINE(HAVE_LIBRESOLV, 1,
2910             [Define to 1 if you have the resolv library (-lresolv).])
2911 fi
2912
2913 # These tell us which Kerberos-related libraries to use.
2914 if test "${with_kerberos+set}" = set; then
2915   AC_CHECK_LIB(com_err, com_err)
2916   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2917   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2918   AC_CHECK_LIB(krb5, krb5_init_context)
2919   if test "${with_kerberos5+set}" != set; then
2920     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2921                  [AC_CHECK_LIB(des, des_cbc_encrypt)])
2922     AC_CHECK_LIB(krb4, krb_get_cred,,
2923                  [AC_CHECK_LIB(krb, krb_get_cred)])
2924   fi
2925
2926   if test "${with_kerberos5+set}" = set; then
2927     AC_CHECK_HEADERS(krb5.h)
2928   else
2929     AC_CHECK_HEADERS(des.h,,
2930                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2931                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2932     AC_CHECK_HEADERS(krb.h,,
2933                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2934                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2935   fi
2936   AC_CHECK_HEADERS(com_err.h)
2937 fi
2938
2939 # Solaris requires -lintl if you want strerror (which calls dgettext)
2940 # to return localized messages.
2941 AC_CHECK_LIB(intl, dgettext)
2942
2943 AC_MSG_CHECKING(whether localtime caches TZ)
2944 AC_CACHE_VAL(emacs_cv_localtime_cache,
2945 [if test x$ac_cv_func_tzset = xyes; then
2946 AC_TRY_RUN([#include <time.h>
2947 extern char **environ;
2948 unset_TZ ()
2949 {
2950   char **from, **to;
2951   for (to = from = environ; (*to = *from); from++)
2952     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2953       to++;
2954 }
2955 char TZ_GMT0[] = "TZ=GMT0";
2956 char TZ_PST8[] = "TZ=PST8";
2957 main()
2958 {
2959   time_t now = time ((time_t *) 0);
2960   int hour_GMT0, hour_unset;
2961   if (putenv (TZ_GMT0) != 0)
2962     exit (1);
2963   hour_GMT0 = localtime (&now)->tm_hour;
2964   unset_TZ ();
2965   hour_unset = localtime (&now)->tm_hour;
2966   if (putenv (TZ_PST8) != 0)
2967     exit (1);
2968   if (localtime (&now)->tm_hour == hour_GMT0)
2969     exit (1);
2970   unset_TZ ();
2971   if (localtime (&now)->tm_hour != hour_unset)
2972     exit (1);
2973   exit (0);
2974 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2975 [# If we have tzset, assume the worst when cross-compiling.
2976 emacs_cv_localtime_cache=yes])
2977 else
2978         # If we lack tzset, report that localtime does not cache TZ,
2979         # since we can't invalidate the cache if we don't have tzset.
2980         emacs_cv_localtime_cache=no
2981 fi])dnl
2982 AC_MSG_RESULT($emacs_cv_localtime_cache)
2983 if test $emacs_cv_localtime_cache = yes; then
2984   AC_DEFINE(LOCALTIME_CACHE, 1,
2985             [Define to 1 if localtime caches TZ.])
2986 fi
2987
2988 if test "x$HAVE_TIMEVAL" = xyes; then
2989   AC_CHECK_FUNCS(gettimeofday)
2990   if test $ac_cv_func_gettimeofday = yes; then
2991     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2992                    emacs_cv_gettimeofday_two_arguments,
2993     [AC_TRY_COMPILE([
2994 #ifdef TIME_WITH_SYS_TIME
2995 #include <sys/time.h>
2996 #include <time.h>
2997 #else
2998 #ifdef HAVE_SYS_TIME_H
2999 #include <sys/time.h>
3000 #else
3001 #include <time.h>
3002 #endif
3003 #endif],
3004       [struct timeval time;
3005        gettimeofday (&time, 0);],
3006       emacs_cv_gettimeofday_two_arguments=yes,
3007       emacs_cv_gettimeofday_two_arguments=no)])
3008     if test $emacs_cv_gettimeofday_two_arguments = no; then
3009       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
3010                 [Define to 1 if gettimeofday accepts only one argument.])
3011     fi
3012   fi
3013 fi
3014
3015 ok_so_far=yes
3016 AC_CHECK_FUNC(socket, , ok_so_far=no)
3017 if test $ok_so_far = yes; then
3018   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3019 fi
3020 if test $ok_so_far = yes; then
3021   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3022 fi
3023 if test $ok_so_far = yes; then
3024 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
3025   AC_DEFINE(HAVE_INET_SOCKETS, 1,
3026             [Define to 1 if you have inet sockets.])
3027 fi
3028
3029 AC_CHECK_HEADERS(sys/ioctl.h)
3030
3031 if test -f /usr/lpp/X11/bin/smt.exp; then
3032   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3033             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3034 fi
3035
3036 AC_MSG_CHECKING(whether system supports dynamic ptys)
3037 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3038   AC_MSG_RESULT(yes)
3039   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3040 else
3041   AC_MSG_RESULT(no)
3042 fi
3043
3044 AC_FUNC_FORK
3045
3046 dnl Adapted from Haible's version.
3047 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3048   [AC_TRY_LINK([#include <langinfo.h>],
3049     [char* cs = nl_langinfo(CODESET);],
3050     emacs_cv_langinfo_codeset=yes,
3051     emacs_cv_langinfo_codeset=no)
3052   ])
3053 if test $emacs_cv_langinfo_codeset = yes; then
3054   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3055     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3056 fi
3057
3058 AC_CHECK_TYPES(size_t)
3059
3060 AC_TYPE_MBSTATE_T
3061
3062 dnl Restrict could probably be used effectively other than in regex.c.
3063 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
3064   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
3065                   emacs_cv_c_restrict=yes,
3066                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
3067                                   emacs_cv_c_restrict=__restrict,
3068                                   emacs_cv_c_restrict=no)])])
3069 case "$emacs_cv_c_restrict" in
3070   yes) emacs_restrict=restrict;;
3071   no) emacs_restrict="";;
3072   *) emacs_restrict="$emacs_cv_c_restrict";;
3073 esac
3074 if test "$emacs_restrict" != __restrict; then
3075   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
3076     [Define to compiler's equivalent of C99 restrict keyword.
3077      Don't define if equivalent is `__restrict'.])
3078 fi
3079
3080 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3081   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
3082                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3083 if test "$emacs_cv_c_restrict_arr" = yes; then
3084   AC_DEFINE(__restrict_arr, __restrict,
3085     [Define to compiler's equivalent of C99 restrict keyword in array
3086      declarations.  Define as empty for no equivalent.])
3087 fi
3088
3089 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3090 dnl how the tty code is related to POSIX and/or other versions of termios.
3091 dnl The following looks like a useful start.
3092 dnl
3093 dnl AC_SYS_POSIX_TERMIOS
3094 dnl if test $ac_cv_sys_posix_termios = yes; then
3095 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3096 dnl                                and macros for terminal control.])
3097 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3098 dnl fi
3099
3100 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
3101
3102 # Set up the CFLAGS for real compilation, so we can substitute it.
3103 CFLAGS="$REAL_CFLAGS"
3104 CPPFLAGS="$REAL_CPPFLAGS"
3105
3106 #### Find out which version of Emacs this is.
3107 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
3108          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
3109 if test x"${version}" = x; then
3110   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
3111 fi
3112
3113 ### Specify what sort of things we'll be editing into Makefile and config.h.
3114 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3115 AC_SUBST(version)
3116 AC_SUBST(configuration)
3117 AC_SUBST(canonical)
3118 AC_SUBST(srcdir)
3119 AC_SUBST(prefix)
3120 AC_SUBST(exec_prefix)
3121 AC_SUBST(bindir)
3122 AC_SUBST(datadir)
3123 AC_SUBST(sharedstatedir)
3124 AC_SUBST(libexecdir)
3125 AC_SUBST(mandir)
3126 AC_SUBST(infodir)
3127 AC_SUBST(lispdir)
3128 AC_SUBST(locallisppath)
3129 AC_SUBST(lisppath)
3130 AC_SUBST(x_default_search_path)
3131 AC_SUBST(etcdir)
3132 AC_SUBST(archlibdir)
3133 AC_SUBST(docdir)
3134 AC_SUBST(bitmapdir)
3135 AC_SUBST(gamedir)
3136 AC_SUBST(gameuser)
3137 AC_SUBST(c_switch_system)
3138 AC_SUBST(c_switch_machine)
3139 AC_SUBST(LD_SWITCH_X_SITE)
3140 AC_SUBST(LD_SWITCH_X_SITE_AUX)
3141 AC_SUBST(C_SWITCH_X_SITE)
3142 AC_SUBST(CFLAGS)
3143 AC_SUBST(X_TOOLKIT_TYPE)
3144 AC_SUBST(machfile)
3145 AC_SUBST(opsysfile)
3146 AC_SUBST(GETLOADAVG_LIBS)
3147 AC_SUBST(carbon_appdir)
3148
3149 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
3150                    [Define to the canonical Emacs configuration name.])
3151 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3152                    [Define to the options passed to configure.])
3153 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
3154                    [Define to the used machine dependent file.])
3155 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3156                    [Define to the used os dependent file.])
3157 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
3158 [Define LD_SWITCH_X_SITE to contain any special flags your loader
3159  may need to deal with X Windows.  For instance, if you've defined
3160  HAVE_X_WINDOWS above and your X libraries aren't in a place that
3161  your loader can find on its own, you might want to add "-L/..." or
3162  something similar.])
3163 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
3164                    [Define LD_SWITCH_X_SITE_AUX with an -R option
3165                     in case it's needed (for Solaris, for example).])
3166 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
3167 [Define C_SWITCH_X_SITE to contain any special flags your compiler
3168  may need to deal with X Windows.  For instance, if you've defined
3169  HAVE_X_WINDOWS above and your X include files aren't in a place
3170  that your compiler can find on its own, you might want to add
3171  "-I/..." or something similar.])
3172 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
3173                    [Define to the unexec source file name.])
3174
3175 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3176   AC_DEFINE(HAVE_X_WINDOWS, 1,
3177             [Define to 1 if you want to use the X window system.])
3178 fi
3179 if test "${USE_X_TOOLKIT}" != "none" ; then
3180   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3181 fi
3182 if test "${HAVE_X11}" = "yes" ; then
3183   AC_DEFINE(HAVE_X11, 1,
3184             [Define to 1 if you want to use version 11 of X windows.
3185              Otherwise, Emacs expects to use version 10.])
3186 fi
3187 if test "${HAVE_XFREE386}" = "yes" ; then
3188   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
3189 fi
3190 if test "${HAVE_MENUS}" = "yes" ; then
3191   AC_DEFINE(HAVE_MENUS, 1,
3192             [Define to 1 if you have mouse menus.
3193              (This is automatic if you use X, but the option to specify it remains.)
3194              It is also defined with other window systems that support xmenu.c.])
3195 fi
3196 if test "${GNU_MALLOC}" = "yes" ; then
3197   AC_DEFINE(GNU_MALLOC, 1,
3198             [Define to 1 if you want to use the GNU memory allocator.])
3199 fi
3200 if test "${REL_ALLOC}" = "yes" ; then
3201   AC_DEFINE(REL_ALLOC, 1,
3202             [Define REL_ALLOC if you want to use the relocating allocator for
3203              buffer space.])
3204 fi
3205
3206
3207 AH_TOP([/* GNU Emacs site configuration template file.
3208    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
3209              Free Software Foundation, Inc.
3210
3211 This file is part of GNU Emacs.
3212
3213 GNU Emacs is free software; you can redistribute it and/or modify
3214 it under the terms of the GNU General Public License as published by
3215 the Free Software Foundation; either version 3, or (at your option)
3216 any later version.
3217
3218 GNU Emacs is distributed in the hope that it will be useful,
3219 but WITHOUT ANY WARRANTY; without even the implied warranty of
3220 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
3221 GNU General Public License for more details.
3222
3223 You should have received a copy of the GNU General Public License
3224 along with GNU Emacs; see the file COPYING.  If not, write to the
3225 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
3226 Boston, MA 02110-1301, USA.  */
3227
3228
3229 /* No code in Emacs #includes config.h twice, but some bits of code
3230    intended to work with other packages as well (like gmalloc.c)
3231    think they can include it as many times as they like.  */
3232 #ifndef EMACS_CONFIG_H
3233 #define EMACS_CONFIG_H
3234 ])dnl
3235
3236 AH_BOTTOM([
3237 /* If we're using any sort of window system, define some consequences.  */
3238 #ifdef HAVE_X_WINDOWS
3239 #define HAVE_WINDOW_SYSTEM
3240 #define MULTI_KBOARD
3241 #define HAVE_MOUSE
3242 #endif
3243
3244 /* Multi-tty support relies on MULTI_KBOARD.  It seems safe to turn it
3245    on unconditionally.  Note that src/s/darwin.h disables this at
3246    present.  */
3247 #ifndef MULTI_KBOARD
3248 #define MULTI_KBOARD
3249 #endif
3250
3251 /* If we're using the Carbon API on Mac OS X, define a few more
3252    variables as well.  */
3253 #ifdef HAVE_CARBON
3254 #define HAVE_WINDOW_SYSTEM
3255 #define HAVE_MOUSE
3256 #endif
3257
3258 /* Define USER_FULL_NAME to return a string
3259    that is the user's full name.
3260    It can assume that the variable `pw'
3261    points to the password file entry for this user.
3262
3263    At some sites, the pw_gecos field contains
3264    the user's full name.  If neither this nor any other
3265    field contains the right thing, use pw_name,
3266    giving the user's login name, since that is better than nothing.  */
3267 #define USER_FULL_NAME pw->pw_gecos
3268
3269 /* Define AMPERSAND_FULL_NAME if you use the convention
3270    that & in the full name stands for the login id.  */
3271 /* Turned on June 1996 supposing nobody will mind it.  */
3272 #define AMPERSAND_FULL_NAME
3273
3274 /* We have blockinput.h.  */
3275 #define DO_BLOCK_INPUT
3276
3277 /* Define HAVE_SOUND if we have sound support.  We know it works
3278    and compiles only on the specified platforms.   For others,
3279    it probably doesn't make sense to try.  */
3280
3281 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
3282 #ifdef HAVE_MACHINE_SOUNDCARD_H
3283 #define HAVE_SOUND 1
3284 #endif
3285 #ifdef HAVE_SYS_SOUNDCARD_H
3286 #define HAVE_SOUND 1
3287 #endif
3288 #ifdef HAVE_SOUNDCARD_H
3289 #define HAVE_SOUND 1
3290 #endif
3291 #ifdef HAVE_ALSA
3292 #define HAVE_SOUND 1
3293 #endif
3294 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
3295
3296 /* If using GNU, then support inline function declarations. */
3297 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3298    generally, because even if non-gcc compilers accept `inline', they
3299    may reject `extern inline'.  */
3300 #if defined (__GNUC__) && defined (OPTIMIZE)
3301 #define INLINE __inline__
3302 #else
3303 #define INLINE
3304 #endif
3305
3306 /* Include the os and machine dependent files.  */
3307 #include config_opsysfile
3308 #include config_machfile
3309
3310 /* Load in the conversion definitions if this system
3311    needs them and the source file being compiled has not
3312    said to inhibit this.  There should be no need for you
3313    to alter these lines.  */
3314
3315 #ifdef SHORTNAMES
3316 #ifndef NO_SHORTNAMES
3317 #include "../shortnames/remap.h"
3318 #endif /* not NO_SHORTNAMES */
3319 #endif /* SHORTNAMES */
3320
3321 /* If no remapping takes place, static variables cannot be dumped as
3322    pure, so don't worry about the `static' keyword. */
3323 #ifdef NO_REMAP
3324 #undef static
3325 #endif
3326
3327 /* Define `subprocesses' should be defined if you want to
3328    have code for asynchronous subprocesses
3329    (as used in M-x compile and M-x shell).
3330    These do not work for some USG systems yet;
3331    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
3332
3333 #ifndef VMS
3334 #ifndef USG
3335 /* #define subprocesses */
3336 #endif
3337 #endif
3338
3339 /* SIGTYPE is the macro we actually use.  */
3340 #ifndef SIGTYPE
3341 #define SIGTYPE RETSIGTYPE
3342 #endif
3343
3344 #ifdef emacs /* Don't do this for lib-src.  */
3345 /* Tell regex.c to use a type compatible with Emacs.  */
3346 #define RE_TRANSLATE_TYPE Lisp_Object
3347 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3348 #ifdef make_number
3349 /* If make_number is a macro, use it.  */
3350 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3351 #else
3352 /* If make_number is a function, avoid it.  */
3353 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3354 #endif
3355 #endif
3356
3357 /* Avoid link-time collision with system mktime if we will use our own.  */
3358 #if ! HAVE_MKTIME || BROKEN_MKTIME
3359 #define mktime emacs_mktime
3360 #endif
3361
3362 #define my_strftime nstrftime   /* for strftime.c */
3363
3364 /* The rest of the code currently tests the CPP symbol BSTRING.
3365    Override any claims made by the system-description files.
3366    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
3367 #undef BSTRING
3368 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
3369 #define BSTRING
3370 #endif
3371
3372 /* Some of the files of Emacs which are intended for use with other
3373    programs assume that if you have a config.h file, you must declare
3374    the type of getenv.
3375
3376    This declaration shouldn't appear when alloca.s or Makefile.in
3377    includes config.h.  */
3378 #ifndef NOT_C_CODE
3379 extern char *getenv ();
3380 #endif
3381
3382 /* These default definitions are good for almost all machines.
3383    The exceptions override them in m/MACHINE.h.  */
3384
3385 #ifndef BITS_PER_CHAR
3386 #define BITS_PER_CHAR 8
3387 #endif
3388
3389 #ifndef BITS_PER_SHORT
3390 #define BITS_PER_SHORT 16
3391 #endif
3392
3393 /* Note that lisp.h uses this in a preprocessor conditional, so it
3394    would not work to use sizeof.  That being so, we do all of them
3395    without sizeof, for uniformity's sake.  */
3396 #ifndef BITS_PER_INT
3397 #define BITS_PER_INT 32
3398 #endif
3399
3400 #ifndef BITS_PER_LONG
3401 #ifdef _LP64
3402 #define BITS_PER_LONG 64
3403 #else
3404 #define BITS_PER_LONG 32
3405 #endif
3406 #endif
3407
3408 /* Define if the compiler supports function prototypes.  It may do so
3409    but not define __STDC__ (e.g. DEC C by default) or may define it as
3410    zero.  */
3411 #undef PROTOTYPES
3412 /* For mktime.c:  */
3413 #ifndef __P
3414 # if defined PROTOTYPES
3415 #  define __P(args) args
3416 # else
3417 #  define __P(args) ()
3418 # endif  /* GCC.  */
3419 #endif /* __P */
3420
3421 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
3422 #ifndef NOT_C_CODE
3423 #ifdef HAVE_STRING_H
3424 #include "string.h"
3425 #endif
3426 #ifdef HAVE_STRINGS_H
3427 #include "strings.h"  /* May be needed for bcopy & al. */
3428 #endif
3429 #ifdef HAVE_STDLIB_H
3430 #include <stdlib.h>
3431 #endif
3432 #ifndef __GNUC__
3433 # ifdef HAVE_ALLOCA_H
3434 #  include <alloca.h>
3435 # else /* AIX files deal with #pragma.  */
3436 #  ifndef alloca /* predefined by HP cc +Olibcalls */
3437 char *alloca ();
3438 #  endif
3439 # endif /* HAVE_ALLOCA_H */
3440 #endif /* __GNUC__ */
3441 #ifndef HAVE_SIZE_T
3442 typedef unsigned size_t;
3443 #endif
3444 #endif /* NOT_C_CODE */
3445
3446 /* Define HAVE_X_I18N if we have usable i18n support.  */
3447
3448 #ifdef HAVE_X11R6
3449 #define HAVE_X_I18N
3450 #elif !defined X11R5_INHIBIT_I18N
3451 #define HAVE_X_I18N
3452 #endif
3453
3454 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
3455
3456 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3457 #define HAVE_X11R6_XIM
3458 #endif
3459
3460 /* Should we enable expensive run-time checking of data types?  */
3461 #undef ENABLE_CHECKING
3462
3463 #if defined __GNUC__ && (__GNUC__ > 2 \
3464                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3465 #define NO_RETURN       __attribute__ ((__noreturn__))
3466 #else
3467 #define NO_RETURN       /* nothing */
3468 #endif
3469
3470 /* These won't be used automatically yet.  We also need to know, at least,
3471    that the stack is continuous.  */
3472 #ifdef __GNUC__
3473 #  ifndef GC_SETJMP_WORKS
3474   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
3475      see NON_SAVING_SETJMP in the target descriptions.  */
3476   /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
3477      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
3478      Fixme: Deal with ns32k, SVR3.  */
3479 #    define GC_SETJMP_WORKS 1
3480 #  endif
3481 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3482 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3483 #  endif
3484 #endif
3485
3486 #ifndef HAVE_BCOPY
3487 #define bcopy(a,b,s) memcpy (b,a,s)
3488 #endif
3489 #ifndef HAVE_BZERO
3490 #define bzero(a,s) memset (a,0,s)
3491 #endif
3492 #ifndef HAVE_BCMP
3493 #define BCMP memcmp
3494 #endif
3495
3496 #endif /* EMACS_CONFIG_H */
3497
3498 /*
3499 Local Variables:
3500 mode: c
3501 End:
3502 */
3503 ])dnl
3504
3505 #### Report on what we decided to do.
3506 #### Report GTK as a toolkit, even if it doesn't use Xt.
3507 #### It makes printing result more understandable as using GTK sets
3508 #### toolkit_scroll_bars to yes by default.
3509 if test "${HAVE_GTK}" = "yes"; then
3510   USE_X_TOOLKIT=GTK
3511 fi
3512
3513 echo "
3514 Configured for \`${canonical}'.
3515
3516   Where should the build process find the source code?    ${srcdir}
3517   What operating system and machine description files should Emacs use?
3518         \`${opsysfile}' and \`${machfile}'
3519   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3520   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3521   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3522   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3523   What window system should Emacs use?                    ${window_system}
3524   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3525
3526 if test -n "${x_includes}"; then
3527 echo "  Where do we find X Windows header files?                ${x_includes}"
3528 else
3529 echo "  Where do we find X Windows header files?                Standard dirs"
3530 fi
3531 if test -n "${x_libraries}"; then
3532 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3533 else
3534 echo "  Where do we find X Windows libraries?                   Standard dirs"
3535 fi
3536
3537 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3538 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3539 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3540 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3541 echo "  Does Emacs use a gif library?                           ${HAVE_GIF} $ac_gif_lib_name"
3542 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3543 echo "  Does Emacs use -lrsvg-2?                                ${HAVE_RSVG}"
3544 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
3545 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3546 echo
3547
3548 if test $USE_XASSERTS = yes; then
3549    echo "  Compiling with asserts turned on."
3550    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3551    echo
3552 fi
3553
3554 if test "$USE_X_TOOLKIT" = GTK; then
3555   case "$canonical" in
3556   *cygwin*)
3557     echo "There are known problems with Emacs and Gtk+ on cygwin, so you
3558   will probably get a crash on startup.  If this happens, please use another
3559   toolkit for Emacs.  See etc/PROBLEMS for more information."
3560   ;;
3561   esac
3562 fi
3563
3564
3565 if test "$HAVE_CARBON" = "yes"; then
3566    echo
3567    echo "Warning: The Mac Carbon port is currently unsupported and has
3568 known problems.  It is not recommended for use by non-developers.
3569 Read the emacs-devel archives for more information."
3570    echo
3571 fi
3572
3573 if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then
3574   echo "D-Bus integration has been tested for GNU/Linux only."
3575   echo
3576 fi
3577
3578
3579 # Remove any trailing slashes in these variables.
3580 [test "${prefix}" != NONE &&
3581   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3582 test "${exec_prefix}" != NONE &&
3583   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3584
3585 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3586 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3587 ## from Makefile.c can correctly provide the arg `-traditional' to the
3588 ## C preprocessor.
3589
3590 AC_EGREP_CPP(yes..yes,
3591         [yes..yes],
3592         CPP_NEED_TRADITIONAL=no,
3593         CPP_NEED_TRADITIONAL=yes)
3594
3595 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3596         doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3597         doc/lispref/Makefile src/Makefile.c:src/Makefile.in \
3598         lwlib/Makefile lisp/Makefile leim/Makefile, [
3599
3600 ### Make the necessary directories, if they don't exist.
3601 for dir in etc lisp ; do
3602   test -d ${dir} || mkdir ${dir}
3603 done
3604
3605 # Build src/Makefile from ${srcdir}/src/Makefile.c
3606 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3607 # This must be done after src/config.h is built, since we rely on that file.
3608
3609 # Now get this: Some word that is part of the ${srcdir} directory name
3610 # or the ${configuration} value might, just might, happen to be an
3611 # identifier like `sun4' or `i386' or something, and be predefined by
3612 # the C preprocessor to some helpful value like 1, or maybe the empty
3613 # string.  Needless to say consequent macro substitutions are less
3614 # than conducive to the makefile finding the correct directory.
3615 [undefs="`echo $top_srcdir $configuration $canonical |
3616 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3617     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3618 `"]
3619
3620 echo creating src/epaths.h
3621 ${MAKE-make} epaths-force
3622
3623 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3624 # `..' to `. .'  unless invoked with -traditional
3625
3626 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3627   CPPFLAGS="$CPPFLAGS -traditional"
3628 fi
3629
3630 echo creating lib-src/Makefile
3631 ( cd lib-src
3632   rm -f junk.c junk1.c junk2.c
3633   sed -e '/start of cpp stuff/q' \
3634       < Makefile.c > junk1.c
3635   sed -e '1,/start of cpp stuff/d'\
3636       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3637       < Makefile.c > junk.c
3638   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3639       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3640   cat junk1.c junk2.c > Makefile.new
3641   rm -f junk.c junk1.c junk2.c
3642   chmod 444 Makefile.new
3643   mv -f Makefile.new Makefile
3644 )
3645
3646 echo creating src/Makefile
3647 ( cd src
3648   rm -f junk.c junk1.c junk2.c
3649   sed -e '/start of cpp stuff/q' \
3650       < Makefile.c > junk1.c
3651   sed -e '1,/start of cpp stuff/d'\
3652       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3653       < Makefile.c > junk.c
3654   if test -f ${srcdir}/admin/unidata/UnicodeData.txt; then
3655     CPPFLAGS="$CPPFLAGS -DHAVE_UNIDATA"
3656   fi
3657   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3658       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3659   cat junk1.c junk2.c > Makefile.new
3660   rm -f junk.c junk1.c junk2.c
3661   chmod 444 Makefile.new
3662   mv -f Makefile.new Makefile
3663 )
3664
3665 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3666   echo creating src/.gdbinit
3667   echo source $srcdir/src/.gdbinit > src/.gdbinit
3668 fi
3669
3670 # This is how we know whether to re-run configure in certain cases.
3671 touch src/config.stamp
3672
3673 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3674
3675 m4_if(dnl       Do not change this comment
3676    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3677 )dnl