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, 2004
   7 dnl  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 2, 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., 59 Temple Place - Suite 330,
  24 dnl  Boston, MA 02111-1307, USA.
  25
  26 AC_PREREQ(2.54)dnl
  27 AC_INIT(src/lisp.h)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29
  30 dnl Support for --program-prefix, --program-suffix and
  31 dnl --program-transform-name options
  32 AC_ARG_PROGRAM
  33
  34 lispdir='${datadir}/emacs/${version}/lisp'
  35 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  36 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
  37 lisppath='${locallisppath}:${lispdir}'
  38 etcdir='${datadir}/emacs/${version}/etc'
  39 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  40 docdir='${datadir}/emacs/${version}/etc'
  41 gamedir='${localstatedir}/games/emacs'
  42
  43 gameuser=games
  44
  45 AC_ARG_WITH(gcc,
  46 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  47 AC_ARG_WITH(pop,
  48 [  --without-pop           don't support POP mail retrieval with movemail],
  49 [if test "$withval" = yes; then
  50    AC_DEFINE(MAIL_USE_POP)
  51 else :
  52 fi],
  53 AC_DEFINE(MAIL_USE_POP))
  54 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  55 AC_ARG_WITH(kerberos,
  56 [  --with-kerberos         support Kerberos-authenticated POP],
  57 [AC_DEFINE(KERBEROS)])
  58 AH_TEMPLATE(KERBEROS,
  59             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  60 AC_ARG_WITH(kerberos5,
  61 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  62 [if test "${with_kerberos5+set}" = set; then
  63   if test "${with_kerberos+set}" != set; then
  64     with_kerberos=yes
  65     AC_DEFINE(KERBEROS)
  66   fi
  67 fi
  68 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])])
  69 AC_ARG_WITH(hesiod,
  70 [  --with-hesiod           support Hesiod to get the POP server host],
  71 [AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])])
  72
  73 AC_ARG_WITH(sound,
  74 [  --without-sound         don't compile with sound support])
  75
  76 dnl This should be the last --with option, because --with-x is
  77 dnl added later on when we find the path of X, and it's best to
  78 dnl keep them together visually.
  79 AC_ARG_WITH(x-toolkit,
  80 [  --with-x-toolkit=KIT    use an X toolkit
  81                               (KIT = yes/lucid/athena/motif/gtk/no)],
  82 [         case "${withval}" in
  83             y | ye | yes )      val=athena ;;
  84             n | no )            val=no  ;;
  85             l | lu | luc | luci | lucid )       val=lucid ;;
  86             a | at | ath | athe | athen | athena )      val=athena ;;
  87             m | mo | mot | moti | motif )       val=motif ;;
  88             g | gt | gtk  )     val=gtk ;;
  89 dnl These don't currently work.
  90 dnl         o | op | ope | open | open- | open-l | open-lo \
  91 dnl             | open-loo | open-look )        val=open-look ;;
  92             * )
  93 dnl AC_MSG_ERROR([the `--with-x-toolkit' option is supposed to have a value
  94 dnl which is `yes', `no', `lucid', `athena', `motif' or `open-look'.])
  95 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid\;
  96 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
  97 Currently, `yes', `athena' and `lucid' are synonyms.])
  98             ;;
  99           esac
 100           with_x_toolkit=$val
 101 ])
 102 AC_ARG_WITH(xpm,
 103 [  --with-xpm              use -lXpm for displaying XPM images])
 104 AC_ARG_WITH(jpeg,
 105 [  --with-jpeg             use -ljpeg for displaying JPEG images])
 106 AC_ARG_WITH(tiff,
 107 [  --with-tiff             use -ltiff for displaying TIFF images])
 108 AC_ARG_WITH(gif,
 109 [  --with-gif              use -lungif for displaying GIF images])
 110 AC_ARG_WITH(png,
 111 [  --with-png              use -lpng for displaying PNG images])
 112 AC_ARG_WITH(gtk,
 113 [  --with-gtk              use GTK (same as --with-x-toolkit=gtk)])
 114 AC_ARG_WITH(pkg-config-prog,
 115 [  --with-pkg-config-prog  Path to pkg-config to use for finding GTK])
 116 AC_ARG_WITH(toolkit-scroll-bars,
 117 [  --without-toolkit-scroll-bars
 118                           don't use Motif or Xaw3d scroll bars])
 119 AC_ARG_WITH(xim,
 120 [  --without-xim           don't use X11 XIM])
 121 AC_ARG_WITH(carbon,
 122 [  --without-carbon        don't use Carbon GUI on Mac OS X])
 123 AC_ARG_ENABLE(carbon-app,
 124 [[  --enable-carbon-app[=DIR]  [DIR=/Application]
 125                           specify install directory for Emacs.app on Mac OS X]],
 126 [ carbon_appdir_x=${enableval}])
 127
 128 AC_ARG_ENABLE(maintainer-mode,
 129 [  --enable-maintainer-mode enable make rules and dependencies not useful
 130                           (and sometimes confusing) to the casual installer],
 131       USE_MAINTAINER_MODE=$enableval,
 132       USE_MAINTAINER_MODE=no)
 133 if test $USE_MAINTAINER_MODE = yes; then
 134   MAINT=
 135 else
 136   MAINT=#
 137 fi
 138 AC_SUBST(MAINT)
 139
 140 #### Make srcdir absolute, if it isn't already.  It's important to
 141 #### avoid running the path through pwd unnecessarily, since pwd can
 142 #### give you automounter prefixes, which can go away.  We do all this
 143 #### so Emacs can find its files when run uninstalled.
 144 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 145 unset CDPATH
 146 case "${srcdir}" in
 147   /* ) ;;
 148   . )
 149     ## We may be able to use the $PWD environment variable to make this
 150     ## absolute.  But sometimes PWD is inaccurate.
 151     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 152     ## but that tested only for a well-formed and valid PWD,
 153     ## it did not object when PWD was well-formed and valid but just wrong.
 154     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 155     then
 156       srcdir="$PWD"
 157     else
 158       srcdir="`(cd ${srcdir}; pwd)`"
 159     fi
 160   ;;
 161   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 162 esac
 163
 164 #### Check if the source directory already has a configured system in it.
 165 if test `pwd` != `(cd ${srcdir} && pwd)` \
 166    && test -f "${srcdir}/src/config.h" ; then
 167   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 168    as a build directory right now; it has been configured in its own
 169    right.  To configure in another directory as well, you MUST
 170    use GNU make.  If you do not have GNU make, then you must
 171    now do `make distclean' in ${srcdir},
 172    and then run $0 again.]])
 173 fi
 174
 175 #### Given the configuration name, set machfile and opsysfile to the
 176 #### names of the m/*.h and s/*.h files we should use.
 177
 178 ### Canonicalize the configuration name.
 179
 180 AC_CANONICAL_HOST
 181 canonical=$host
 182 configuration=${host_alias-$host}
 183
 184 dnl This used to use changequote, but, apart from `changequote is evil'
 185 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 186 dnl the great gob of text.  Thus it's not processed for possible expansion.
 187 dnl Just make sure the brackets remain balanced.
 188 dnl
 189 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 190 dnl indicated by comments.
 191 dnl quotation begins
 192 [
 193
 194 ### If you add support for a new configuration, add code to this
 195 ### switch statement to recognize your configuration name and select
 196 ### the appropriate operating system and machine description files.
 197
 198 ### You would hope that you could choose an m/*.h file pretty much
 199 ### based on the machine portion of the configuration name, and an s-
 200 ### file based on the operating system portion.  However, it turns out
 201 ### that each m/*.h file is pretty manufacturer-specific - for
 202 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 203 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 204 ### machines.  So we basically have to have a special case for each
 205 ### configuration name.
 206 ###
 207 ### As far as handling version numbers on operating systems is
 208 ### concerned, make sure things will fail in a fixable way.  If
 209 ### /etc/MACHINES doesn't say anything about version numbers, be
 210 ### prepared to handle anything reasonably.  If version numbers
 211 ### matter, be sure /etc/MACHINES says something about it.
 212 ###
 213 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 214 ### "System V Release 4"; he writes, "The old convention encouraged
 215 ### confusion between `system' and `release' levels'."
 216
 217 machine='' opsys='' unported=no
 218 case "${canonical}" in
 219
 220   ## FreeBSD ports
 221   *-*-freebsd* )
 222     opsys=freebsd
 223     case "${canonical}" in
 224       alpha*-*-freebsd*)        machine=alpha ;;
 225       i[3456]86-*-freebsd*)     machine=intel386 ;;
 226     esac
 227   ;;
 228
 229   ## NetBSD ports
 230   *-*-netbsd* )
 231     opsys=netbsd
 232     if test -f /usr/lib/crti.o; then]
 233 dnl The close and open brackets here are because this section is quoted --
 234 dnl see the `changequote' comment above.
 235       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 236 [   fi
 237
 238     case "${canonical}" in
 239       alpha*-*-netbsd*) machine=alpha ;;
 240       i[3456]86-*-netbsd*) machine=intel386 ;;
 241       m68k-*-netbsd*)
 242                         # This is somewhat bogus.
 243                         machine=hp9000s300 ;;
 244       powerpc-apple-netbsd*) machine=macppc ;;
 245       mips-*-netbsd*)   machine=pmax ;;
 246       mipsel-*-netbsd*) machine=pmax ;;
 247       mipseb-*-netbsd*) machine=pmax ;;
 248       ns32k-*-netbsd*)  machine=ns32000 ;;
 249       powerpc-*-netbsd*) machine=macppc ;;
 250       sparc*-*-netbsd*) machine=sparc ;;
 251       vax-*-netbsd*)    machine=vax ;;
 252       arm-*-netbsd*)    machine=arm ;;
 253     esac
 254   ;;
 255
 256   ## OpenBSD ports
 257   *-*-openbsd* )
 258     opsys=openbsd
 259     case "${canonical}" in
 260       alpha*-*-openbsd*)        machine=alpha ;;
 261       i386-*-openbsd*)  machine=intel386 ;;
 262       m68k-*-openbsd*)  machine=hp9000s300 ;;
 263       mipsel-*-openbsd*) machine=pmax ;;
 264       ns32k-*-openbsd*) machine=ns32000 ;;
 265       sparc-*-openbsd*) machine=sparc ;;
 266       vax-*-openbsd*)   machine=vax ;;
 267     esac
 268   ;;
 269
 270   ## Acorn RISCiX:
 271   arm-acorn-riscix1.1* )
 272     machine=acorn opsys=riscix1-1
 273   ;;
 274   arm-acorn-riscix1.2* | arm-acorn-riscix )
 275     ## This name is riscix12 instead of riscix1.2
 276     ## to avoid a file name conflict on MSDOS.
 277     machine=acorn opsys=riscix12
 278   ;;
 279
 280   ## BSDI ports
 281   *-*-bsdi* )
 282     opsys=bsdi
 283     case "${canonical}" in
 284       i[345]86-*-bsdi*) machine=intel386 ;;
 285       sparc-*-bsdi*)  machine=sparc ;;
 286       powerpc-*-bsdi*)  machine=macppc ;;
 287     esac
 288     case "${canonical}" in
 289       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 290       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 291       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 292       *-*-bsdi3* )              opsys=bsdos3 ;;
 293       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 294     esac
 295   ;;
 296
 297   ## Alliant machines
 298   ## Strictly speaking, we need the version of the alliant operating
 299   ## system to choose the right machine file, but currently the
 300   ## configuration name doesn't tell us enough to choose the right
 301   ## one; we need to give alliants their own operating system name to
 302   ## do this right.  When someone cares, they can help us.
 303   fx80-alliant-* )
 304     machine=alliant4 opsys=bsd4-2
 305   ;;
 306   i860-alliant-* )
 307     machine=alliant-2800 opsys=bsd4-3
 308   ;;
 309
 310   ## Alpha (DEC) machines.
 311   alpha*-dec-osf* )
 312     machine=alpha opsys=osf1
 313     # This is needed to find X11R6.1 libraries for certain tests.
 314     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 315     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 316     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 317     # due to non-traditional preprocessing with the current compiler
 318     # defaults.  OSF 4 can also have that compiler version, and there
 319     # seems always to have been a usable /usr/bin/cpp.
 320     NON_GNU_CPP=/usr/bin/cpp
 321     case "${canonical}" in
 322     alpha*-dec-osf[5-9]*)
 323       opsys=osf5-0 ;;
 324     esac
 325   ;;
 326
 327   alpha*-*-linux-gnu* )
 328     machine=alpha opsys=gnu-linux
 329   ;;
 330
 331   arm*-*-linux-gnu* )
 332     machine=arm opsys=gnu-linux
 333   ;;
 334
 335   ppc-*-linux | \
 336   powerpc-*-linux* )
 337     machine=macppc opsys=gnu-linux
 338   ;;
 339
 340   ## Altos 3068
 341   m68*-altos-sysv* )
 342     machine=altos opsys=usg5-2
 343   ;;
 344
 345   ## Amdahl UTS
 346   580-amdahl-sysv* )
 347     machine=amdahl opsys=usg5-2-2
 348   ;;
 349
 350   ## Apollo, Domain/OS
 351   m68*-apollo-* )
 352     machine=apollo opsys=bsd4-3
 353   ;;
 354
 355   ## AT&T 3b2, 3b5, 3b15, 3b20
 356   we32k-att-sysv* )
 357     machine=att3b opsys=usg5-2-2
 358   ;;
 359
 360   ## AT&T 3b1 - The Mighty Unix PC!
 361   m68*-att-sysv* )
 362     machine=7300 opsys=usg5-2-2
 363   ;;
 364
 365   ## Bull dpx20
 366   rs6000-bull-bosx* )
 367     machine=ibmrs6000 opsys=aix3-2
 368   ;;
 369
 370   ## Bull dpx2
 371   m68*-bull-sysv3* )
 372     machine=dpx2 opsys=usg5-3
 373   ;;
 374
 375   ## Bull sps7
 376   m68*-bull-sysv2* )
 377     machine=sps7 opsys=usg5-2
 378   ;;
 379
 380   ## CCI 5/32, 6/32 -- see "Tahoe".
 381
 382   ## Celerity
 383   ## I don't know what configuration name to use for this; config.sub
 384   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 385   ## in touch with us!
 386   celerity-celerity-bsd* )
 387     machine=celerity opsys=bsd4-2
 388   ;;
 389
 390   ## Clipper
 391   ## What operating systems does this chip run that Emacs has been
 392   ## tested on?
 393   clipper-* )
 394     machine=clipper
 395     ## We'll use the catch-all code at the bottom to guess the
 396     ## operating system.
 397   ;;
 398
 399   ## Compaq Nonstop
 400   mips-compaq-nonstopux* )
 401     machine=nonstopux opsys=nonstopux
 402     ;;
 403
 404   ## Convex
 405   *-convex-bsd* | *-convex-convexos* )
 406     machine=convex opsys=bsd4-3
 407     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 408     NON_GNU_CPP="cc -E -P"
 409   ;;
 410
 411   ## Cubix QBx/386
 412   i[3456]86-cubix-sysv* )
 413     machine=intel386 opsys=usg5-3
 414   ;;
 415
 416   ## Cydra 5
 417   cydra*-cydrome-sysv* )
 418     machine=cydra5 opsys=usg5-3
 419   ;;
 420
 421   ## Data General AViiON Machines
 422   ## DG changed naming conventions with the release of 5.4.4.10, they
 423   ## dropped the initial 5.4 but left the intervening R.  Because of the
 424   ## R this shouldn't conflict with older versions of the OS (which I
 425   ## think were named like dgux4.*). In addition, DG new AViiONs series
 426   ## uses either Motorola M88k or Intel Pentium CPUs.
 427   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 428     machine=aviion opsys=dgux4
 429   ;;
 430   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 431     ## This name is dgux5-4-3 instead of dgux5-4r3
 432     ## to avoid a file name conflict on MSDOS.
 433     machine=aviion opsys=dgux5-4-3
 434   ;;
 435   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 436     machine=aviion opsys=dgux5-4r2
 437   ;;
 438   m88k-dg-dgux* )
 439     machine=aviion opsys=dgux
 440   ;;
 441
 442   ## Data General AViiON Intel (x86) Machines
 443   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 444   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 445   i[345]86-dg-dguxR4* )
 446     machine=aviion-intel opsys=dgux4
 447   ;;
 448
 449   ## DECstations
 450   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 451     machine=pmax opsys=bsd4-2
 452   ;;
 453   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 454     machine=pmax opsys=bsd4-3
 455   ;;
 456   mips-dec-ultrix* )
 457     machine=pmax opsys=ultrix4-3
 458   ;;
 459   mips-dec-osf* )
 460     machine=pmax opsys=osf1
 461   ;;
 462   mips-dec-mach_bsd4.3* )
 463     machine=pmax opsys=mach-bsd4-3
 464   ;;
 465
 466   ## Motorola Delta machines
 467   m68k-motorola-sysv* | m68000-motorola-sysv* )
 468     machine=delta opsys=usg5-3
 469     if test -z "`type gnucc | grep 'not found'`"
 470     then
 471       if test -s /etc/167config
 472       then CC="gnucc -m68040"
 473       else CC="gnucc -m68881"
 474       fi
 475     else
 476       if test -z "`type gcc | grep 'not found'`"
 477       then CC=gcc
 478       else CC=cc
 479       fi
 480     fi
 481   ;;
 482   m88k-motorola-sysv4* )
 483     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 484     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 485     # I hope there are not other 4.0 versions for this machine
 486     # which really need usg5-4 instead.
 487     machine=delta88k opsys=usg5-4-2
 488   ;;
 489   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 490     machine=delta88k opsys=usg5-3
 491   ;;
 492
 493   ## Dual machines
 494   m68*-dual-sysv* )
 495     machine=dual opsys=usg5-2
 496   ;;
 497   m68*-dual-uniplus* )
 498     machine=dual opsys=unipl5-2
 499   ;;
 500
 501   ## Elxsi 6400
 502   elxsi-elxsi-sysv* )
 503     machine=elxsi opsys=usg5-2
 504   ;;
 505
 506   ## Encore machines
 507   ns16k-encore-bsd* )
 508     machine=ns16000 opsys=umax
 509   ;;
 510
 511   ## The GEC 63 - apparently, this port isn't really finished yet.
 512   #  I'm sure we finished off the last of the machines, though.  -- fx
 513
 514   ## Gould Power Node and NP1
 515   pn-gould-bsd4.2* )
 516     machine=gould opsys=bsd4-2
 517   ;;
 518   pn-gould-bsd4.3* )
 519     machine=gould opsys=bsd4-3
 520   ;;
 521   np1-gould-bsd* )
 522     machine=gould-np1 opsys=bsd4-3
 523   ;;
 524
 525   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 526   ## as far as Emacs is concerned).
 527   m88k-harris-cxux* )
 528     # Build needs to be different on 7.0 and later releases
 529     case "`uname -r`" in
 530        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 531        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 532     esac
 533     NON_GNU_CPP="/lib/cpp"
 534   ;;
 535   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 536   m68k-harris-cxux* )
 537     machine=nh3000 opsys=cxux
 538   ;;
 539   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 540   powerpc-harris-powerunix )
 541     machine=nh6000 opsys=powerunix
 542     NON_GNU_CPP="cc -Xo -E -P"
 543   ;;
 544   ## SR2001/SR2201 running HI-UX/MPP
 545   hppa1.1-hitachi-hiuxmpp* )
 546     machine=sr2k opsys=hiuxmpp
 547   ;;
 548   hppa1.1-hitachi-hiuxwe2* )
 549     machine=sr2k opsys=hiuxwe2
 550   ;;
 551   ## Honeywell XPS100
 552   xps*-honeywell-sysv* )
 553     machine=xps100 opsys=usg5-2
 554   ;;
 555
 556   ## HP 9000 series 200 or 300
 557   m68*-hp-bsd* )
 558     machine=hp9000s300 opsys=bsd4-3
 559   ;;
 560   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 561   m68*-hp-hpux* )
 562     case "`uname -r`" in
 563       ## Someone's system reports A.B8.05 for this.
 564       ## I wonder what other possibilities there are.
 565       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 566       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 567       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 568       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 569       *) machine=hp9000s300 opsys=hpux ;;
 570     esac
 571   ;;
 572
 573   ## HP 9000 series 700 and 800, running HP/UX
 574   hppa*-hp-hpux7* )
 575     machine=hp800 opsys=hpux
 576   ;;
 577   hppa*-hp-hpux8* )
 578     machine=hp800 opsys=hpux8
 579   ;;
 580   hppa*-hp-hpux9shr* )
 581     machine=hp800 opsys=hpux9shr
 582   ;;
 583   hppa*-hp-hpux9* )
 584     machine=hp800 opsys=hpux9
 585   ;;
 586   hppa*-hp-hpux10.2* )
 587     machine=hp800 opsys=hpux10-20
 588   ;;
 589   hppa*-hp-hpux10* )
 590     machine=hp800 opsys=hpux10
 591   ;;
 592   hppa*-hp-hpux1[1-9]* )
 593     machine=hp800 opsys=hpux11
 594   ;;
 595
 596   hppa*-*-linux-gnu* )
 597     machine=hp800 opsys=gnu-linux
 598   ;;
 599
 600   ## HP 9000 series 700 and 800, running HP/UX
 601   hppa*-hp-hpux* )
 602     ## Cross-compilation?  Nah!
 603     case "`uname -r`" in
 604       ## Someone's system reports A.B8.05 for this.
 605       ## I wonder what other possibilities there are.
 606       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 607       *.08.* ) machine=hp800 opsys=hpux8 ;;
 608       *.09.* ) machine=hp800 opsys=hpux9 ;;
 609       *) machine=hp800 opsys=hpux10 ;;
 610     esac
 611   ;;
 612   hppa*-*-nextstep* )
 613     machine=hp800 opsys=nextstep
 614   ;;
 615
 616   ## Orion machines
 617   orion-orion-bsd* )
 618     machine=orion opsys=bsd4-2
 619   ;;
 620   clipper-orion-bsd* )
 621     machine=orion105 opsys=bsd4-2
 622   ;;
 623
 624   ## IBM machines
 625   i[3456]86-ibm-aix1.1* )
 626     machine=ibmps2-aix opsys=usg5-2-2
 627   ;;
 628   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 629     machine=ibmps2-aix opsys=usg5-3
 630   ;;
 631   i370-ibm-aix*)
 632     machine=ibm370aix opsys=usg5-3
 633   ;;
 634   s390-*-linux-gnu* )
 635     machine=ibms390 opsys=gnu-linux
 636   ;;
 637   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 638     machine=ibmrs6000 opsys=aix3-1
 639   ;;
 640   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 641     machine=ibmrs6000 opsys=aix3-2-5
 642   ;;
 643   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 644     machine=ibmrs6000 opsys=aix4-1
 645   ;;
 646   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 647     machine=ibmrs6000 opsys=aix4-2
 648   ;;
 649   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 650     machine=ibmrs6000 opsys=aix4-2
 651   ;;
 652   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 653     machine=ibmrs6000 opsys=aix4
 654   ;;
 655   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 656     machine=ibmrs6000 opsys=aix4-1
 657   ;;
 658   rs6000-ibm-aix* | powerpc-ibm-aix* )
 659     machine=ibmrs6000 opsys=aix3-2
 660   ;;
 661   romp-ibm-bsd4.3* )
 662     machine=ibmrt opsys=bsd4-3
 663   ;;
 664   romp-ibm-bsd4.2* )
 665     machine=ibmrt opsys=bsd4-2
 666   ;;
 667   romp-ibm-aos4.3* )
 668     machine=ibmrt opsys=bsd4-3
 669   ;;
 670   romp-ibm-aos4.2* )
 671     machine=ibmrt opsys=bsd4-2
 672   ;;
 673   romp-ibm-aos* )
 674     machine=ibmrt opsys=bsd4-3
 675   ;;
 676   romp-ibm-bsd* )
 677     machine=ibmrt opsys=bsd4-3
 678   ;;
 679   romp-ibm-aix* )
 680     machine=ibmrt-aix opsys=usg5-2-2
 681   ;;
 682
 683   ## Integrated Solutions `Optimum V'
 684   m68*-isi-bsd4.2* )
 685     machine=isi-ov opsys=bsd4-2
 686   ;;
 687   m68*-isi-bsd4.3* )
 688     machine=isi-ov opsys=bsd4-3
 689   ;;
 690
 691   ## Intel 386 machines where we do care about the manufacturer
 692   i[3456]86-intsys-sysv* )
 693     machine=is386 opsys=usg5-2-2
 694   ;;
 695
 696   ## Prime EXL
 697   i[3456]86-prime-sysv* )
 698     machine=i386 opsys=usg5-3
 699   ;;
 700
 701   ## Sequent Symmetry running Dynix
 702   i[3456]86-sequent-bsd* )
 703     machine=symmetry opsys=bsd4-3
 704   ;;
 705
 706   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 707   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 708     machine=sequent-ptx opsys=ptx4
 709     NON_GNU_CPP=/lib/cpp
 710   ;;
 711
 712   ## Sequent Symmetry running DYNIX/ptx
 713   ## Use the old cpp rather than the newer ANSI one.
 714   i[3456]86-sequent-ptx* )
 715     machine=sequent-ptx opsys=ptx
 716     NON_GNU_CPP="/lib/cpp"
 717   ;;
 718
 719   ## ncr machine running svr4.3.
 720   i[3456]86-ncr-sysv4.3 )
 721     machine=ncr386 opsys=usg5-4-3
 722   ;;
 723
 724   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 725   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 726   i[3456]86-ncr-sysv* )
 727     machine=ncr386 opsys=usg5-4-2
 728   ;;
 729
 730   ## Intel Paragon OSF/1
 731   i860-intel-osf1* )
 732     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 733   ;;
 734
 735   ## Intel 860
 736   i860-*-sysv4* )
 737     machine=i860 opsys=usg5-4
 738     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 739     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 740   ;;
 741
 742   ## Macintosh PowerPC
 743   powerpc*-*-linux-gnu* )
 744     machine=macppc opsys=gnu-linux
 745   ;;
 746
 747   ## Masscomp machines
 748   m68*-masscomp-rtu* )
 749     machine=masscomp opsys=rtu
 750   ;;
 751
 752   ## Megatest machines
 753   m68*-megatest-bsd* )
 754     machine=mega68 opsys=bsd4-2
 755   ;;
 756
 757   ## Workstations sold by MIPS
 758   ## This is not necessarily all workstations using the MIPS processor -
 759   ## Irises are produced by SGI, and DECstations by DEC.
 760
 761   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 762   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 763   ## it gives for choosing between the alternatives seems to be "Use
 764   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 765   ## the BSD world."  I'll assume that these are instructions for
 766   ## handling two odd situations, and that every other situation
 767   ## should use mips.h and usg5-2-2, they being listed first.
 768   mips-mips-usg* )
 769     machine=mips4
 770     ## Fall through to the general code at the bottom to decide on the OS.
 771   ;;
 772   mips-mips-riscos4* )
 773     machine=mips4 opsys=bsd4-3
 774     NON_GNU_CC="cc -systype bsd43"
 775     NON_GNU_CPP="cc -systype bsd43 -E"
 776   ;;
 777   mips-mips-riscos5* )
 778     machine=mips4 opsys=riscos5
 779     NON_GNU_CC="cc -systype bsd43"
 780     NON_GNU_CPP="cc -systype bsd43 -E"
 781   ;;
 782   mips-mips-bsd* )
 783     machine=mips opsys=bsd4-3
 784   ;;
 785   mips-mips-* )
 786     machine=mips opsys=usg5-2-2
 787   ;;
 788
 789   ## NeXT
 790   m68*-next-* | m68k-*-nextstep* )
 791     machine=m68k opsys=nextstep
 792   ;;
 793
 794   ## The complete machine from National Semiconductor
 795   ns32k-ns-genix* )
 796     machine=ns32000 opsys=usg5-2
 797   ;;
 798
 799   ## NCR machines
 800   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 801     machine=tower32 opsys=usg5-2-2
 802   ;;
 803   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 804     machine=tower32v3 opsys=usg5-3
 805   ;;
 806
 807   ## NEC EWS4800
 808   mips-nec-sysv4*)
 809   machine=ews4800 opsys=ux4800
 810   ;;
 811
 812   ## Nixdorf Targon 31
 813   m68*-nixdorf-sysv* )
 814     machine=targon31 opsys=usg5-2-2
 815   ;;
 816
 817   ## Nu (TI or LMI)
 818   m68*-nu-sysv* )
 819     machine=nu opsys=usg5-2
 820   ;;
 821
 822   ## Plexus
 823   m68*-plexus-sysv* )
 824     machine=plexus opsys=usg5-2
 825   ;;
 826
 827   ## Pyramid machines
 828   ## I don't really have any idea what sort of processor the Pyramid has,
 829   ## so I'm assuming it is its own architecture.
 830   pyramid-pyramid-bsd* )
 831     machine=pyramid opsys=bsd4-2
 832   ;;
 833
 834   ## Sequent Balance
 835   ns32k-sequent-bsd4.2* )
 836     machine=sequent opsys=bsd4-2
 837   ;;
 838   ns32k-sequent-bsd4.3* )
 839     machine=sequent opsys=bsd4-3
 840   ;;
 841
 842   ## Siemens Nixdorf
 843   mips-siemens-sysv* | mips-sni-sysv*)
 844     machine=mips-siemens opsys=usg5-4
 845     NON_GNU_CC=/usr/ccs/bin/cc
 846     NON_GNU_CPP=/usr/ccs/lib/cpp
 847   ;;
 848
 849   ## Silicon Graphics machines
 850   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 851   m68*-sgi-iris3.5* )
 852     machine=irist opsys=iris3-5
 853   ;;
 854   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 855     machine=irist opsys=iris3-6
 856   ;;
 857   ## Iris 4D
 858   mips-sgi-irix3* )
 859     machine=iris4d opsys=irix3-3
 860   ;;
 861   mips-sgi-irix4* )
 862     machine=iris4d opsys=irix4-0
 863   ;;
 864   mips-sgi-irix6.5 )
 865     machine=iris4d opsys=irix6-5
 866     # Without defining _LANGUAGE_C, things get masked out in the headers
 867     # so that, for instance, grepping for `free' in stdlib.h fails and
 868     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 869     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 870     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 871   ;;
 872   mips-sgi-irix6* )
 873     machine=iris4d opsys=irix6-0
 874     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 875     # but presumably it does no harm.
 876     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 877     # -32 probably isn't necessary in later v.6s -- anyone know which?
 878     NON_GCC_TEST_OPTIONS=-32
 879   ;;
 880   mips-sgi-irix5.[01]* )
 881     machine=iris4d opsys=irix5-0
 882   ;;
 883   mips-sgi-irix5* | mips-sgi-irix* )
 884     machine=iris4d opsys=irix5-2
 885   ;;
 886
 887   ## SONY machines
 888   m68*-sony-bsd4.2* )
 889     machine=news opsys=bsd4-2
 890   ;;
 891   m68*-sony-bsd4.3* )
 892     machine=news opsys=bsd4-3
 893   ;;
 894   m68*-sony-newsos3* | m68*-sony-news3*)
 895     machine=news opsys=bsd4-3
 896   ;;
 897   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 898     machine=news-risc opsys=bsd4-3
 899   ;;
 900   mips-sony-newsos6* )
 901     machine=news-r6 opsys=newsos6
 902   ;;
 903   mips-sony-news* )
 904     machine=news-risc opsys=newsos5
 905   ;;
 906
 907   ## Stride
 908   m68*-stride-sysv* )
 909     machine=stride opsys=usg5-2
 910   ;;
 911
 912   ## Suns
 913   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 914     machine=sparc opsys=gnu-linux
 915   ;;
 916
 917   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 918     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 919     | rs6000-*-solaris2*)
 920     case "${canonical}" in
 921       m68*-sunos1* )    machine=sun1 ;;
 922       m68*-sunos2* )    machine=sun2 ;;
 923       m68* )            machine=sun3 ;;
 924       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 925       i[3456]86-*-* )     machine=intel386 ;;
 926       powerpcle* )      machine=powerpcle ;;
 927       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 928       sparc* )          machine=sparc ;;
 929       * )               unported=yes ;;
 930     esac
 931     case "${canonical}" in
 932       ## The Sun386 didn't get past 4.0.
 933       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 934       *-sunos4.0*         ) opsys=sunos4-0 ;;
 935       *-sunos4.1.[3-9]*noshare )
 936                 ## This name is sunos413 instead of sunos4-1-3
 937                 ## to avoid a file name conflict on MSDOS.
 938                 opsys=sunos413
 939                 NON_GNU_CPP=/usr/lib/cpp
 940                 NON_GCC_TEST_OPTIONS=-Bstatic
 941                 GCC_TEST_OPTIONS=-static
 942                 ;;
 943       *-sunos4.1.[3-9]* | *-sunos4shr*)
 944                 opsys=sunos4shr
 945                 NON_GNU_CPP=/usr/lib/cpp
 946                 ;;
 947       *-sunos4* | *-sunos )
 948                 opsys=sunos4-1
 949                 NON_GCC_TEST_OPTIONS=-Bstatic
 950                 GCC_TEST_OPTIONS=-static
 951                 ;;
 952       *-sunos5.3* | *-solaris2.3* )
 953                 opsys=sol2-3
 954                 NON_GNU_CPP=/usr/ccs/lib/cpp
 955                 ;;
 956       *-sunos5.4* | *-solaris2.4* )
 957                 opsys=sol2-4
 958                 NON_GNU_CPP=/usr/ccs/lib/cpp
 959                 RANLIB="ar -ts"
 960                 ;;
 961       *-sunos5.5* | *-solaris2.5* )
 962                 opsys=sol2-5
 963                 NON_GNU_CPP=/usr/ccs/lib/cpp
 964                 RANLIB="ar -ts"
 965                 ;;
 966       *-sunos5.6* | *-solaris2.6* )
 967                 opsys=sol2-6
 968                 NON_GNU_CPP=/usr/ccs/lib/cpp
 969                 RANLIB="ar -ts"
 970                 ;;
 971       *-sunos5* | *-solaris* )
 972                 opsys=sol2-6
 973                 NON_GNU_CPP=/usr/ccs/lib/cpp
 974                 ;;
 975       *                   ) opsys=bsd4-2   ;;
 976     esac
 977     ## Watch out for a compiler that we know will not work.
 978     case "${canonical}" in
 979      *-solaris* | *-sunos5* )
 980                 if [ "x$CC" = x/usr/ucb/cc ]; then
 981                   ## /usr/ucb/cc doesn't work;
 982                   ## we should find some other compiler that does work.
 983                   unset CC
 984                 fi
 985                 ;;
 986       *) ;;
 987     esac
 988   ;;
 989   sparc-*-nextstep* )
 990     machine=sparc opsys=nextstep
 991   ;;
 992
 993   ## Tadpole 68k
 994   m68*-tadpole-sysv* )
 995     machine=tad68k opsys=usg5-3
 996   ;;
 997
 998   ## Tahoe machines
 999   tahoe-tahoe-bsd4.2* )
1000     machine=tahoe opsys=bsd4-2
1001   ;;
1002   tahoe-tahoe-bsd4.3* )
1003     machine=tahoe opsys=bsd4-3
1004   ;;
1005
1006   ## Tandem Integrity S2
1007   mips-tandem-sysv* )
1008     machine=tandem-s2 opsys=usg5-3
1009   ;;
1010
1011   ## Tektronix XD88
1012   m88k-tektronix-sysv3* )
1013   machine=tekxd88 opsys=usg5-3
1014   ;;
1015
1016   ## Tektronix 16000 box (6130?)
1017   ns16k-tektronix-bsd* )
1018     machine=ns16000 opsys=bsd4-2
1019   ;;
1020   ## Tektronix 4300
1021   ## src/m/tek4300.h hints that this is a m68k machine.
1022   m68*-tektronix-bsd* )
1023     machine=tek4300 opsys=bsd4-3
1024   ;;
1025
1026   ## Titan P2 or P3
1027   ## We seem to have lost the machine-description file titan.h!
1028   titan-titan-sysv* )
1029     machine=titan opsys=usg5-3
1030   ;;
1031
1032   ## Ustation E30 (SS5E)
1033   m68*-unisys-uniplus* )
1034     machine=ustation opsystem=unipl5-2
1035   ;;
1036
1037   ## Vaxen.
1038   vax-dec-* )
1039     machine=vax
1040     case "${canonical}" in
1041       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1042       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1043       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1044       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1045       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1046       *-vms* )                                          opsys=vms ;;
1047       * )                                               unported=yes
1048     esac
1049   ;;
1050
1051   ## Whitechapel MG1
1052   ns16k-whitechapel-* )
1053     machine=mg1
1054     ## We don't know what sort of OS runs on these; we'll let the
1055     ## operating system guessing code below try.
1056   ;;
1057
1058   ## Wicat
1059   m68*-wicat-sysv* )
1060     machine=wicat opsys=usg5-2
1061   ;;
1062
1063   ## IA-64
1064   ia64*-*-linux* )
1065     machine=ia64 opsys=gnu-linux
1066   ;;
1067
1068   ## Intel 386 machines where we don't care about the manufacturer
1069   i[3456]86-*-* )
1070     machine=intel386
1071     case "${canonical}" in
1072       *-cygwin )                opsys=cygwin ;;
1073       *-lynxos* )               opsys=lynxos ;;
1074       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1075       *-isc2.2* )               opsys=isc2-2 ;;
1076       *-isc4.0* )               opsys=isc4-0 ;;
1077       *-isc4.* )                opsys=isc4-1
1078                                 GCC_TEST_OPTIONS=-posix
1079                                 NON_GCC_TEST_OPTIONS=-Xp
1080                                 ;;
1081       *-isc* )                  opsys=isc3-0 ;;
1082       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1083       *-esix* )                 opsys=esix ;;
1084       *-xenix* )                opsys=xenix ;;
1085       *-linux-gnu* )            opsys=gnu-linux ;;
1086       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1087       *-sco3.2v5* )             opsys=sco5
1088                                 NON_GNU_CPP=/lib/cpp
1089                                 # Prevent -belf from being passed to $CPP.
1090                                 # /lib/cpp does not accept it.
1091                                 OVERRIDE_CPPFLAGS=" "
1092                                 ;;
1093       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1094       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1095       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1096       *-386bsd* )               opsys=386bsd ;;
1097       *-nextstep* )             opsys=nextstep ;;
1098       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1099     esac
1100   ;;
1101
1102   ## m68k Linux-based GNU system
1103   m68k-*-linux-gnu* )
1104     machine=m68k opsys=gnu-linux
1105   ;;
1106
1107   ## Mips Linux-based GNU system
1108   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
1109     machine=mips opsys=gnu-linux
1110   ;;
1111
1112   ## UXP/DS
1113   sparc-fujitsu-sysv4* )
1114     machine=sparc opsys=uxpds
1115     NON_GNU_CPP=/usr/ccs/lib/cpp
1116     RANLIB="ar -ts"
1117   ;;
1118
1119   ## UXP/V
1120   f301-fujitsu-uxpv4.1)
1121     machine=f301 opsys=uxpv
1122   ;;
1123
1124   ## Darwin / Mac OS X
1125   powerpc-apple-darwin* )
1126     machine=powermac opsys=darwin
1127     # Define CPP as follows to make autoconf work correctly.
1128     CPP="${CC-cc} -E -no-cpp-precomp"
1129     # Use fink packages if available.
1130     if test -d /sw/include && test -d /sw/lib; then
1131         GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
1132         CPP="${CPP} ${GCC_TEST_OPTIONS}"
1133         NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
1134     fi
1135   ;;
1136
1137   ## AMD x86-64 Linux-based GNU system
1138   x86_64-*-linux-gnu* )
1139     machine=amdx86-64 opsys=gnu-linux
1140   ;;
1141
1142   * )
1143     unported=yes
1144   ;;
1145 esac
1146
1147 ### If the code above didn't choose an operating system, just choose
1148 ### an operating system based on the configuration name.  You really
1149 ### only want to use this when you have no idea what the right
1150 ### operating system is; if you know what operating systems a machine
1151 ### runs, it's cleaner to make it explicit in the case statement
1152 ### above.
1153 if test x"${opsys}" = x; then
1154   case "${canonical}" in
1155     *-gnu* )                            opsys=gnu ;;
1156     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1157     *-bsd4.2 )                          opsys=bsd4-2 ;;
1158     *-bsd4.3 )                          opsys=bsd4-3 ;;
1159     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1160     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1161     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1162     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1163     *-sysv4.2uw* )                      opsys=unixware ;;
1164     *-sysv5uw* )                        opsys=unixware ;;
1165     *-sysv5OpenUNIX* )                  opsys=unixware ;;
1166     *-sysv4.1* | *-sysvr4.1* )
1167         NON_GNU_CPP=/usr/lib/cpp
1168         opsys=usg5-4 ;;
1169     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1170         if [ x$NON_GNU_CPP = x ]; then
1171           if [ -f /usr/ccs/lib/cpp ]; then
1172             NON_GNU_CPP=/usr/ccs/lib/cpp
1173           else
1174             NON_GNU_CPP=/lib/cpp
1175           fi
1176         fi
1177         opsys=usg5-4-2 ;;
1178     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1179     * )
1180       unported=yes
1181     ;;
1182   esac
1183 fi
1184
1185 ]
1186 dnl quotation ends
1187
1188 if test $unported = yes; then
1189   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
1190 Check `etc/MACHINES' for recognized configuration names.])
1191 fi
1192
1193 machfile="m/${machine}.h"
1194 opsysfile="s/${opsys}.h"
1195
1196
1197 #### Choose a compiler.
1198 test -n "$CC" && cc_specified=yes
1199
1200 # Save the value of CFLAGS that the user specified.
1201 SPECIFIED_CFLAGS="$CFLAGS"
1202
1203 case ${with_gcc} in
1204   "yes" ) CC="gcc" GCC=yes ;;
1205   "no"  ) : ${CC=cc} ;;
1206   * )
1207 esac
1208 AC_PROG_CC
1209
1210 # On Suns, sometimes $CPP names a directory.
1211 if test -n "$CPP" && test -d "$CPP"; then
1212   CPP=
1213 fi
1214
1215 #### Some systems specify a CPP to use unless we are using GCC.
1216 #### Now that we know whether we are using GCC, we can decide whether
1217 #### to use that one.
1218 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1219 then
1220   CPP="$NON_GNU_CPP"
1221 fi
1222
1223 #### Some systems specify a CC to use unless we are using GCC.
1224 #### Now that we know whether we are using GCC, we can decide whether
1225 #### to use that one.
1226 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1227   test x$cc_specified != xyes
1228 then
1229   CC="$NON_GNU_CC"
1230 fi
1231
1232 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1233 then
1234   CC="$CC $GCC_TEST_OPTIONS"
1235 fi
1236
1237 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1238 then
1239   CC="$CC $NON_GCC_TEST_OPTIONS"
1240 fi
1241
1242 #### Some other nice autoconf tests.
1243
1244 dnl checks for programs
1245 AC_PROG_LN_S
1246 AC_PROG_CPP
1247 AC_PROG_INSTALL
1248 if test "x$RANLIB" = x; then
1249   AC_PROG_RANLIB
1250 fi
1251 AC_PATH_PROG(INSTALL_INFO, install-info)
1252 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
1253 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
1254
1255 dnl Add our options to ac_link now, after it is set up.
1256
1257 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1258 then
1259   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1260 fi
1261
1262 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1263 then
1264   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1265 fi
1266
1267 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1268 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1269 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1270 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1271 dnl if not built to support GNU ld.
1272
1273 late_LDFLAGS=$LDFLAGS
1274 if test "$GCC" = yes; then
1275   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
1276 else
1277   LDFLAGS="$LDFLAGS -znocombreloc"
1278 fi
1279
1280 AC_MSG_CHECKING([For -znocombreloc])
1281 AC_LINK_IFELSE([main(){return 0;}],
1282   [AC_MSG_RESULT(yes)],
1283   LDFLAGS=$late_LDFLAGS
1284   [AC_MSG_RESULT(no)])
1285
1286 dnl checks for Unix variants
1287 AC_AIX
1288
1289
1290 #### Extract some information from the operating system and machine files.
1291
1292 AC_CHECKING([the machine- and system-dependent files to find out
1293  - which libraries the lib-src programs will want, and
1294  - whether the GNU malloc routines are usable])
1295
1296 ### First figure out CFLAGS (which we use for running the compiler here)
1297 ### and REAL_CFLAGS (which we use for real compilation).
1298 ### The two are the same except on a few systems, where they are made
1299 ### different to work around various lossages.  For example,
1300 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1301 ### as implying static linking.
1302
1303 ### If the CFLAGS env var is specified, we use that value
1304 ### instead of the default.
1305
1306 ### It's not important that this name contain the PID; you can't run
1307 ### two configures in the same directory and have anything work
1308 ### anyway.
1309 tempcname="conftest.c"
1310
1311 echo '
1312 #include "'${srcdir}'/src/'${opsysfile}'"
1313 #include "'${srcdir}'/src/'${machfile}'"
1314 #ifndef LIBS_MACHINE
1315 #define LIBS_MACHINE
1316 #endif
1317 #ifndef LIBS_SYSTEM
1318 #define LIBS_SYSTEM
1319 #endif
1320 #ifndef C_SWITCH_SYSTEM
1321 #define C_SWITCH_SYSTEM
1322 #endif
1323 #ifndef C_SWITCH_MACHINE
1324 #define C_SWITCH_MACHINE
1325 #endif
1326 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1327 configure___ c_switch_system=C_SWITCH_SYSTEM
1328 configure___ c_switch_machine=C_SWITCH_MACHINE
1329
1330 #ifndef LIB_X11_LIB
1331 #define LIB_X11_LIB -lX11
1332 #endif
1333
1334 #ifndef LIBX11_MACHINE
1335 #define LIBX11_MACHINE
1336 #endif
1337
1338 #ifndef LIBX11_SYSTEM
1339 #define LIBX11_SYSTEM
1340 #endif
1341 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1342
1343 #ifdef UNEXEC
1344 configure___ unexec=UNEXEC
1345 #else
1346 configure___ unexec=unexec.o
1347 #endif
1348
1349 #ifdef SYSTEM_MALLOC
1350 configure___ system_malloc=yes
1351 #else
1352 configure___ system_malloc=no
1353 #endif
1354
1355 #ifdef USE_MMAP_FOR_BUFFERS
1356 configure___ use_mmap_for_buffers=yes
1357 #else
1358 configure___ use_mmap_for_buffers=no
1359 #endif
1360
1361 #ifndef C_DEBUG_SWITCH
1362 #define C_DEBUG_SWITCH -g
1363 #endif
1364
1365 #ifndef C_OPTIMIZE_SWITCH
1366 #ifdef __GNUC__
1367 #define C_OPTIMIZE_SWITCH -O2
1368 #else
1369 #define C_OPTIMIZE_SWITCH -O
1370 #endif
1371 #endif
1372
1373 #ifndef LD_SWITCH_MACHINE
1374 #define LD_SWITCH_MACHINE
1375 #endif
1376
1377 #ifndef LD_SWITCH_SYSTEM
1378 #define LD_SWITCH_SYSTEM
1379 #endif
1380
1381 #ifndef LD_SWITCH_X_SITE_AUX
1382 #define LD_SWITCH_X_SITE_AUX
1383 #endif
1384
1385 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1386 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1387
1388 #ifdef THIS_IS_CONFIGURE
1389
1390 /* Get the CFLAGS for tests in configure.  */
1391 #ifdef __GNUC__
1392 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1393 #else
1394 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1395 #endif
1396
1397 #else /* not THIS_IS_CONFIGURE */
1398
1399 /* Get the CFLAGS for real compilation.  */
1400 #ifdef __GNUC__
1401 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1402 #else
1403 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1404 #endif
1405
1406 #endif /* not THIS_IS_CONFIGURE */
1407 ' > ${tempcname}
1408
1409 # The value of CPP is a quoted variable reference, so we need to do this
1410 # to get its actual value...
1411 CPP=`eval "echo $CPP"`
1412 [eval `${CPP} -Isrc ${tempcname} \
1413        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1414 if test "x$SPECIFIED_CFLAGS" = x; then
1415   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1416          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1417 else
1418   REAL_CFLAGS="$CFLAGS"
1419 fi]
1420 rm ${tempcname}
1421
1422 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1423
1424 ### Make sure subsequent tests use flags consistent with the build flags.
1425
1426 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1427   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1428 else
1429   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1430 fi
1431
1432 dnl For AC_FUNC_GETLOADAVG, at least:
1433 AC_CONFIG_LIBOBJ_DIR(src)
1434
1435 AC_GNU_SOURCE
1436
1437 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1438 AC_SYS_LARGEFILE
1439
1440 if test "${with_sound}" != "no"; then
1441   # Sound support for GNU/Linux and the free BSDs.
1442   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1443   # Emulation library used on NetBSD.
1444   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1445   AC_SUBST(LIBSOUND)
1446 fi
1447
1448 dnl checks for header files
1449 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1450   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1451   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1452   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1453   sys/utsname.h)
1454
1455 AC_MSG_CHECKING(if personality LINUX32 can be set)
1456 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1457                emacs_cv_personality_linux32=yes,
1458                emacs_cv_personality_linux32=no)
1459 AC_MSG_RESULT($emacs_cv_personality_linux32)
1460
1461 if test $emacs_cv_personality_linux32 = yes; then
1462   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1463             [Define to 1 if personality LINUX32 can be set.])
1464 fi
1465
1466 dnl On Solaris 8 there's a compilation warning for term.h because
1467 dnl it doesn't define `bool'.
1468 AC_CHECK_HEADERS(term.h, , , -)
1469 AC_HEADER_STDC
1470 AC_HEADER_TIME
1471 AC_CHECK_DECLS([sys_siglist])
1472 if test $ac_cv_have_decl_sys_siglist != yes; then
1473   # For Tru64, at least:
1474   AC_CHECK_DECLS([__sys_siglist])
1475   if test $ac_cv_have_decl___sys_siglist = yes; then
1476     AC_DEFINE(sys_siglist, __sys_siglist,
1477               [Define to any substitute for sys_siglist.])
1478   fi
1479 fi
1480 AC_HEADER_SYS_WAIT
1481
1482 dnl Some systems have utime.h but don't declare the struct anyplace.
1483 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1484 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1485 #include <sys/time.h>
1486 #include <time.h>
1487 #else
1488 #ifdef HAVE_SYS_TIME_H
1489 #include <sys/time.h>
1490 #else
1491 #include <time.h>
1492 #endif
1493 #endif
1494 #ifdef HAVE_UTIME_H
1495 #include <utime.h>
1496 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1497   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1498 if test $emacs_cv_struct_utimbuf = yes; then
1499   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1500 fi
1501
1502 dnl checks for typedefs
1503 AC_TYPE_SIGNAL
1504
1505 dnl Check for speed_t typedef.
1506 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1507   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1508     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1509 if test $emacs_cv_speed_t = yes; then
1510   AC_DEFINE(HAVE_SPEED_T, 1,
1511            [Define to 1 if `speed_t' is declared by <termios.h>.])
1512 fi
1513
1514 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1515 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1516 #include <sys/time.h>
1517 #include <time.h>
1518 #else
1519 #ifdef HAVE_SYS_TIME_H
1520 #include <sys/time.h>
1521 #else
1522 #include <time.h>
1523 #endif
1524 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1525   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1526 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1527 if test $emacs_cv_struct_timeval = yes; then
1528   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1529 fi
1530
1531 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1532 AC_TRY_COMPILE([#include <math.h>],
1533 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1534   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1535 HAVE_EXCEPTION=$emacs_cv_struct_exception
1536 if test $emacs_cv_struct_exception != yes; then
1537   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1538 fi
1539
1540 AC_CHECK_HEADERS(sys/socket.h)
1541 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1542 #if HAVE_SYS_SOCKET_H
1543 #include <sys/socket.h>
1544 #endif])
1545
1546 dnl checks for structure members
1547 AC_STRUCT_TM
1548 AC_STRUCT_TIMEZONE
1549 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1550                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1551                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1552                 [#include <time.h>])
1553 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1554                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1555                   struct ifreq.ifr_addr], , ,
1556                  [AC_INCLUDES_DEFAULT
1557 #if HAVE_SYS_SOCKET_H
1558 #include <sys/socket.h>
1559 #endif
1560 #if HAVE_NET_IF_H
1561 #include <net/if.h>
1562 #endif])
1563
1564 dnl checks for compiler characteristics
1565
1566 dnl Testing __STDC__ to determine prototype support isn't good enough.
1567 dnl DEC C, for instance, doesn't define it with default options, and
1568 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1569 dnl and void *.
1570 AC_C_PROTOTYPES
1571 AC_C_VOLATILE
1572 AC_C_CONST
1573 dnl This isn't useful because we can't turn on use of `inline' unless
1574 dnl the compiler groks `extern inline'.
1575 dnl AC_C_INLINE
1576 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1577   [AC_TRY_COMPILE(, [void * foo;],
1578                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1579 if test $emacs_cv_void_star = yes; then
1580   AC_DEFINE(POINTER_TYPE, void)
1581 else
1582   AC_DEFINE(POINTER_TYPE, char)
1583 fi
1584 AH_TEMPLATE(POINTER_TYPE,
1585             [Define as `void' if your compiler accepts `void *'; otherwise
1586              define as `char'.])dnl
1587
1588
1589
1590 dnl This could be used for targets which can have both byte sexes.
1591 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1592 dnl AC_C_BIGENDIAN
1593
1594 dnl check for Make feature
1595 AC_PROG_MAKE_SET
1596
1597 dnl checks for operating system services
1598 AC_SYS_LONG_FILE_NAMES
1599
1600 #### Choose a window system.
1601
1602 AC_PATH_X
1603 if test "$no_x" = yes; then
1604   window_system=none
1605 else
1606   window_system=x11
1607 fi
1608
1609 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1610   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1611   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1612   x_default_search_path=""
1613   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1614     x_search_path="\
1615 ${x_library}/X11/%L/%T/%N%C%S:\
1616 ${x_library}/X11/%l/%T/%N%C%S:\
1617 ${x_library}/X11/%T/%N%C%S:\
1618 ${x_library}/X11/%L/%T/%N%S:\
1619 ${x_library}/X11/%l/%T/%N%S:\
1620 ${x_library}/X11/%T/%N%S"
1621     if test x"${x_default_search_path}" = x; then
1622       x_default_search_path=${x_search_path}
1623     else
1624       x_default_search_path="${x_search_path}:${x_default_search_path}"
1625     fi
1626   done
1627 fi
1628 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1629   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1630 fi
1631
1632 if test x"${x_includes}" = x; then
1633   bitmapdir=/usr/include/X11/bitmaps
1634 else
1635   # accumulate include directories that have X11 bitmap subdirectories
1636   bmd_acc="dummyval"
1637   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1638     if test -d "${bmd}/X11/bitmaps"; then
1639       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1640     fi
1641     if test -d "${bmd}/bitmaps"; then
1642       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1643     fi
1644   done
1645   if test ${bmd_acc} != "dummyval"; then
1646     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1647   fi
1648 fi
1649
1650 case "${window_system}" in
1651   x11 )
1652     HAVE_X_WINDOWS=yes
1653     HAVE_X11=yes
1654     case "${with_x_toolkit}" in
1655       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1656       motif ) USE_X_TOOLKIT=MOTIF ;;
1657 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1658       gtk ) with_gtk=yes
1659 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1660 dnl USE_X_TOOLKIT is set.
1661             USE_X_TOOLKIT=none ;;
1662       no ) USE_X_TOOLKIT=none ;;
1663 dnl If user did not say whether to use a toolkit,
1664 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1665       * ) USE_X_TOOLKIT=maybe ;;
1666     esac
1667   ;;
1668   none )
1669     HAVE_X_WINDOWS=no
1670     HAVE_X11=no
1671     USE_X_TOOLKIT=none
1672   ;;
1673 esac
1674
1675 ### If we're using X11, we should use the X menu package.
1676 HAVE_MENUS=no
1677 case ${HAVE_X11} in
1678   yes ) HAVE_MENUS=yes ;;
1679 esac
1680
1681 if test "${opsys}" = "hpux9"; then
1682   case "${x_libraries}" in
1683     *X11R4* )
1684       opsysfile="s/hpux9-x11r4.h"
1685       ;;
1686   esac
1687 fi
1688
1689 if test "${opsys}" = "hpux9shr"; then
1690   case "${x_libraries}" in
1691     *X11R4* )
1692       opsysfile="s/hpux9shxr4.h"
1693       ;;
1694   esac
1695 fi
1696
1697 ### Compute the unexec source name from the object name.
1698 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1699
1700 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1701 # Assume not, until told otherwise.
1702 GNU_MALLOC=yes
1703 doug_lea_malloc=yes
1704 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1705 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1706 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1707                emacs_cv_var___after_morecore_hook,
1708 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1709   emacs_cv_var___after_morecore_hook=yes,
1710   emacs_cv_var___after_morecore_hook=no)])
1711 if test $emacs_cv_var___after_morecore_hook = no; then
1712   doug_lea_malloc=no
1713 fi
1714 if test "${system_malloc}" = "yes"; then
1715   GNU_MALLOC=no
1716   GNU_MALLOC_reason="
1717     (The GNU allocators don't work with this system configuration.)"
1718 fi
1719 if test "$doug_lea_malloc" = "yes" ; then
1720   if test "$GNU_MALLOC" = yes ; then
1721     GNU_MALLOC_reason="
1722       (Using Doug Lea's new malloc from the GNU C Library.)"
1723   fi
1724   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1725             [Define to 1 if you are using the GNU C Library.])
1726 fi
1727
1728 if test x"${REL_ALLOC}" = x; then
1729   REL_ALLOC=${GNU_MALLOC}
1730 fi
1731
1732 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1733 dnl the system configuration file (s/*.h) to turn the use of mmap
1734 dnl in the relocating allocator on.
1735
1736 AC_FUNC_MMAP
1737 if test $use_mmap_for_buffers = yes; then
1738   REL_ALLOC=no
1739 fi
1740
1741 LIBS="$libsrc_libs $LIBS"
1742
1743 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1744 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1745 AC_CHECK_LIB(dnet, dnet_ntoa)
1746 dnl This causes -lresolv to get used in subsequent tests,
1747 dnl which causes failures on some systems such as HPUX 9.
1748 dnl AC_CHECK_LIB(resolv, gethostbyname)
1749
1750 dnl FIXME replace main with a function we actually want from this library.
1751 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1752
1753 AC_CHECK_LIB(pthreads, cma_open)
1754
1755 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1756 if test -d /usr/X386/include; then
1757   HAVE_XFREE386=yes
1758   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1759 else
1760   HAVE_XFREE386=no
1761 fi
1762 AC_MSG_RESULT($HAVE_XFREE386)
1763
1764 dnl Check for need for bigtoc support on IBM AIX
1765
1766 case ${host_os} in
1767 aix*)
1768   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1769     case $GCC in
1770     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1771     *) gdb_cv_bigtoc=-bbigtoc ;;
1772     esac
1773
1774     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1775     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1776   ])
1777   ;;
1778 esac
1779
1780 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1781 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1782 # REAL_CPPFLAGS later on.
1783
1784 REAL_CPPFLAGS="$CPPFLAGS"
1785
1786 if test "${HAVE_X11}" = "yes"; then
1787   DEFS="$C_SWITCH_X_SITE $DEFS"
1788   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1789   LIBS="$LIBX $LIBS"
1790   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1791   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1792
1793   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1794   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1795   # but it's more convenient here to set LD_RUN_PATH
1796   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1797   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1798     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1799     export LD_RUN_PATH
1800   fi
1801
1802   if test "${opsys}" = "gnu-linux"; then
1803     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1804     AC_TRY_LINK([],
1805      [XOpenDisplay ("foo");],
1806      [xlinux_first_failure=no],
1807      [xlinux_first_failure=yes])
1808     if test "${xlinux_first_failure}" = "yes"; then
1809       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1810       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1811       OLD_CPPFLAGS="$CPPFLAGS"
1812       OLD_LIBS="$LIBS"
1813       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1814       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1815       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1816       LIBS="$LIBS -b i486-linuxaout"
1817       AC_TRY_LINK([],
1818        [XOpenDisplay ("foo");],
1819        [xlinux_second_failure=no],
1820        [xlinux_second_failure=yes])
1821       if test "${xlinux_second_failure}" = "yes"; then
1822         # If we get the same failure with -b, there is no use adding -b.
1823         # So take it out.  This plays safe.
1824         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1825         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1826         CPPFLAGS="$OLD_CPPFLAGS"
1827         LIBS="$OLD_LIBS"
1828         AC_MSG_RESULT(no)
1829       else
1830         AC_MSG_RESULT(yes)
1831       fi
1832     else
1833       AC_MSG_RESULT(no)
1834     fi
1835   fi
1836
1837   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1838   # header files included from there.
1839   AC_MSG_CHECKING(for Xkb)
1840   AC_TRY_LINK([#include <X11/Xlib.h>
1841 #include <X11/XKBlib.h>],
1842         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1843         emacs_xkb=yes, emacs_xkb=no)
1844   AC_MSG_RESULT($emacs_xkb)
1845   if test $emacs_xkb = yes; then
1846     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1847   fi
1848
1849   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1850 XScreenNumberOfScreen XSetWMProtocols)
1851 fi
1852
1853 if test "${window_system}" = "x11"; then
1854   AC_MSG_CHECKING(X11 version 6)
1855   AC_CACHE_VAL(emacs_cv_x11_version_6,
1856   [AC_TRY_LINK([#include <X11/Xlib.h>],
1857 [#if XlibSpecificationRelease < 6
1858 fail;
1859 #endif
1860 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1861   if test $emacs_cv_x11_version_6 = yes; then
1862     AC_MSG_RESULT(6 or newer)
1863     AC_DEFINE(HAVE_X11R6, 1,
1864               [Define to 1 if you have the X11R6 or newer version of Xlib.])
1865   else
1866     AC_MSG_RESULT(before 6)
1867   fi
1868 fi
1869
1870 if test "${window_system}" = "x11"; then
1871   AC_MSG_CHECKING(X11 version 5)
1872   AC_CACHE_VAL(emacs_cv_x11_version_5,
1873   [AC_TRY_LINK([#include <X11/Xlib.h>],
1874 [#if XlibSpecificationRelease < 5
1875 fail;
1876 #endif
1877 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
1878   if test $emacs_cv_x11_version_5 = yes; then
1879     AC_MSG_RESULT(5 or newer)
1880     HAVE_X11R5=yes
1881     AC_DEFINE(HAVE_X11R5, 1,
1882               [Define to 1 if you have the X11R5 or newer version of Xlib.])
1883   else
1884     HAVE_X11R5=no
1885     AC_MSG_RESULT(before 5)
1886   fi
1887 fi
1888
1889 dnl This function defintion taken from Gnome 2.0
1890 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1891 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1892 dnl also defines GSTUFF_PKG_ERRORS on error
1893 AC_DEFUN([PKG_CHECK_MODULES], [
1894   succeeded=no
1895
1896   if test -z "$PKG_CONFIG"; then
1897     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1898   fi
1899
1900   if test "$PKG_CONFIG" = "no" ; then
1901      echo "*** The pkg-config script could not be found. Make sure it is"
1902      echo "*** in your path, or give the full path to pkg-config with"
1903      echo "*** the PKG_CONFIG environment variable or --with-pkg-config-prog."
1904      echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
1905   else
1906      PKG_CONFIG_MIN_VERSION=0.9.0
1907      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1908         AC_MSG_CHECKING(for $2)
1909
1910         if $PKG_CONFIG --exists "$2" ; then
1911             AC_MSG_RESULT(yes)
1912             succeeded=yes
1913
1914             AC_MSG_CHECKING($1_CFLAGS)
1915             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
1916             AC_MSG_RESULT($$1_CFLAGS)
1917
1918             AC_MSG_CHECKING($1_LIBS)
1919             $1_LIBS=`$PKG_CONFIG --libs "$2"`
1920             AC_MSG_RESULT($$1_LIBS)
1921         else
1922             $1_CFLAGS=""
1923             $1_LIBS=""
1924             ## If we have a custom action on failure, don't print errors, but
1925             ## do set a variable so people can do so.
1926             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1927             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1928         fi
1929
1930         AC_SUBST($1_CFLAGS)
1931         AC_SUBST($1_LIBS)
1932      else
1933         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1934         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1935      fi
1936   fi
1937
1938   if test $succeeded = yes; then
1939      ifelse([$3], , :, [$3])
1940   else
1941      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.])], [$4])
1942   fi
1943 ])
1944
1945 HAVE_GTK=no
1946 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then
1947   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
1948     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
1949   fi
1950   GLIB_REQUIRED=2.0.1
1951   GTK_REQUIRED=2.0.1
1952   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1953
1954   dnl Check if --with-pkg-config-prog has been given.
1955   if test "X${with_pkg_config_prog}" != X; then
1956     PKG_CONFIG="${with_pkg_config_prog}"
1957   fi
1958   dnl Checks for libraries.
1959   PKG_CHECK_MODULES(GTK, $GTK_MODULES)
1960   AC_SUBST(GTK_CFLAGS)
1961   AC_SUBST(GTK_LIBS)
1962   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1963   CFLAGS="$CFLAGS $GTK_CFLAGS"
1964   LIBS="$GTK_LIBS $LIBS"
1965   HAVE_GTK=yes
1966   AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
1967   USE_X_TOOLKIT=none
1968
1969   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1970   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
1971   if test "$with_toolkit_scroll_bars" != no; then
1972     with_toolkit_scroll_bars=yes
1973   fi
1974
1975   dnl  Check if we can use multiple displays with this GTK version.
1976   dnl  If gdk_display_open exists, assume all others are there also.
1977   HAVE_GTK_MULTIDISPLAY=no
1978   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
1979   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
1980     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
1981               [Define to 1 if GTK can handle more than one display.])
1982   fi
1983   dnl  Check if we have the old file selection dialog.
1984   dnl  If gdk_display_open exists, assume all others are there also.
1985   HAVE_GTK_FILE_SELECTION=no
1986   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
1987
1988   dnl  Check if we have the new file chooser dialog
1989   dnl  If gdk_display_open exists, assume all others are there also.
1990   HAVE_GTK_FILE_CHOOSER=no
1991   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
1992
1993   if test "$HAVE_GTK_FILE_SELECTION" = yes \
1994      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
1995     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
1996               [Define to 1 if GTK has both file selection and chooser dialog.])
1997   fi
1998
1999   dnl Check if pthreads are available.  Emacs only needs this when using
2000   dnl gtk_file_chooser under Gnome.
2001   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
2002     HAVE_GTK_AND_PTHREAD=no
2003     AC_CHECK_HEADERS(pthread.h)
2004     if test "$ac_cv_header_pthread_h"; then
2005       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
2006     fi
2007     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
2008       GTK_LIBS="$GTK_LIBS -lpthread"
2009       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
2010                [Define to 1 if you have GTK and pthread (-lpthread).])
2011     fi
2012   fi
2013 fi
2014
2015 dnl Do not put whitespace before the #include statements below.
2016 dnl Older compilers (eg sunos4 cc) choke on it.
2017 if test x"${USE_X_TOOLKIT}" = xmaybe; then
2018   if test x"${HAVE_X11R5}" = xyes; then
2019     AC_MSG_CHECKING(X11 version 5 with Xaw)
2020     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
2021     [AC_TRY_LINK([
2022 #include <X11/Intrinsic.h>
2023 #include <X11/Xaw/Simple.h>],
2024       [],
2025       emacs_cv_x11_version_5_with_xaw=yes,
2026       emacs_cv_x11_version_5_with_xaw=no)])
2027     if test $emacs_cv_x11_version_5_with_xaw = yes; then
2028       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
2029       USE_X_TOOLKIT=LUCID
2030     else
2031       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
2032       USE_X_TOOLKIT=none
2033     fi
2034   else
2035     USE_X_TOOLKIT=none
2036   fi
2037 fi
2038
2039 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2040
2041 if test "${USE_X_TOOLKIT}" != "none"; then
2042   AC_MSG_CHECKING(X11 toolkit version)
2043   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2044   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2045 [#if XtSpecificationRelease < 6
2046 fail;
2047 #endif
2048 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2049   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2050   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2051     AC_MSG_RESULT(6 or newer)
2052     AC_DEFINE(HAVE_X11XTR6, 1,
2053               [Define to 1 if you have the X11R6 or newer version of Xt.])
2054   else
2055     AC_MSG_RESULT(before 6)
2056   fi
2057
2058 dnl If using toolkit, check whether libXmu.a exists.
2059 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2060   OLDLIBS="$LIBS"
2061   if test x$HAVE_X11XTR6 = xyes; then
2062     LIBS="-lXt -lSM -lICE $LIBS"
2063   else
2064     LIBS="-lXt $LIBS"
2065   fi
2066   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2067   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2068 fi
2069
2070 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2071 if test "${HAVE_X11}" = "yes"; then
2072   if test "${USE_X_TOOLKIT}" != "none"; then
2073     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2074   fi
2075 fi
2076
2077 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2078   AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2079   # We put this in CFLAGS temporarily to precede other -I options
2080   # that might be in CFLAGS temporarily.
2081   # We put this in CPPFLAGS where it precedes the other -I options.
2082   OLD_CPPFLAGS=$CPPFLAGS
2083   OLD_CFLAGS=$CFLAGS
2084   CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2085   CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2086   [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2087     [int x = 5;],
2088     emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2089   if test $emacs_cv_lesstif = yes; then
2090     # Make sure this -I option remains in CPPFLAGS after it is set
2091     # back to REAL_CPPFLAGS.
2092     # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2093     # have those other -I options anyway.  Ultimately, having this
2094     # directory ultimately in CPPFLAGS will be enough.
2095     REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2096     LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2097   else
2098     CFLAGS=$OLD_CFLAGS
2099     CPPFLAGS=$OLD_CPPFLAGS
2100   fi
2101   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2102   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2103     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2104 int x = 5;
2105 #else
2106 Motif version prior to 2.1.
2107 #endif],
2108     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2109   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
2110   if test $emacs_cv_motif_version_2_1 = yes; then
2111     HAVE_LIBXP=no
2112     AC_DEFINE(HAVE_MOTIF_2_1, 1,
2113               [Define to 1 if you have Motif 2.1 or newer.])
2114     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
2115     if test ${HAVE_LIBXP} = yes; then
2116       AC_DEFINE(HAVE_LIBXP, 1,
2117                 [Define to 1 if you have the Xp library (-lXp).])
2118     fi
2119   fi
2120 fi
2121
2122 ### Is -lXaw3d available?
2123 HAVE_XAW3D=no
2124 if test "${HAVE_X11}" = "yes"; then
2125   if test "${USE_X_TOOLKIT}" != "none"; then
2126     dnl Fixme: determine what Scrollbar.h needs to avoid compilation
2127     dnl errors from the test without the `-'.
2128     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
2129         [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes)], , -)
2130     if test "${HAVE_XAW3D}" = "yes"; then
2131         AC_DEFINE(HAVE_XAW3D, 1,
2132                   [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2133     fi
2134   fi
2135 fi
2136
2137 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2138 dnl using Motif or Xaw3d is available, and unless
2139 dnl --with-toolkit-scroll-bars=no was specified.
2140
2141 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2142             [Define to 1 if we should use toolkit scroll bars.])dnl
2143 USE_TOOLKIT_SCROLL_BARS=no
2144 if test "${with_toolkit_scroll_bars}" != "no"; then
2145   if test "${USE_X_TOOLKIT}" != "none"; then
2146     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2147       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2148       HAVE_XAW3D=no
2149       USE_TOOLKIT_SCROLL_BARS=yes
2150     elif test "${HAVE_XAW3D}" = "yes"; then
2151       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2152       USE_TOOLKIT_SCROLL_BARS=yes
2153     fi
2154   elif test "${HAVE_GTK}" = "yes"; then
2155     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2156     USE_TOOLKIT_SCROLL_BARS=yes
2157   fi
2158 fi
2159
2160 dnl See if XIM is available.
2161 AC_TRY_COMPILE([
2162           #include <X11/Xlib.h>
2163           #include <X11/Xresource.h>],
2164          [XIMProc  callback;],
2165          HAVE_XIM=yes
2166          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available]),
2167          HAVE_XIM=no)
2168
2169 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2170
2171 if test "${with_xim}" != "no"; then
2172   AC_DEFINE(USE_XIM, 1,
2173             [Define to 1 if we should use XIM, if it is available.])
2174 fi
2175
2176
2177 if test "${HAVE_XIM}" != "no"; then
2178   late_CFLAGS=$CFLAGS
2179   if test "$GCC" = yes; then
2180     CFLAGS="$CFLAGS --pedantic-errors"
2181   fi
2182   AC_TRY_COMPILE([
2183 #include <X11/Xlib.h>
2184 #include <X11/Xresource.h>],
2185 [Display *display;
2186 XrmDatabase db;
2187 char *res_name;
2188 char *res_class;
2189 XIMProc  callback;
2190 XPointer *client_data;
2191 #ifndef __GNUC__
2192 /* If we're not using GCC, it's probably not XFree86, and this is
2193    probably right, but we can't use something like --pedantic-errors.  */
2194 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2195                                            char*, XIMProc, XPointer*);
2196 #endif
2197 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2198    client_data);],
2199     [emacs_cv_arg6_star=yes])
2200   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2201          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2202 either XPointer or XPointer*.])dnl
2203   if test "$emacs_cv_arg6_star" = yes; then
2204     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2205   else
2206     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2207   fi
2208   CFLAGS=$late_CFLAGS
2209 fi
2210
2211 ### Use -lXpm if available, unless `--with-xpm=no'.
2212 HAVE_XPM=no
2213 if test "${HAVE_X11}" = "yes"; then
2214   if test "${with_xpm}" != "no"; then
2215     AC_CHECK_HEADER(X11/xpm.h,
2216       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
2217     if test "${HAVE_XPM}" = "yes"; then
2218       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2219       AC_EGREP_CPP(no_return_alloc_pixels,
2220       [#include "X11/xpm.h"
2221 #ifndef XpmReturnAllocPixels
2222 no_return_alloc_pixels
2223 #endif
2224       ], HAVE_XPM=no, HAVE_XPM=yes)
2225
2226       if test "${HAVE_XPM}" = "yes"; then
2227         AC_MSG_RESULT(yes)
2228       else
2229         AC_MSG_RESULT(no)
2230       fi
2231     fi
2232   fi
2233
2234   if test "${HAVE_XPM}" = "yes"; then
2235     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2236   fi
2237 fi
2238
2239 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2240 HAVE_JPEG=no
2241 if test "${HAVE_X11}" = "yes"; then
2242   if test "${with_jpeg}" != "no"; then
2243     dnl Checking for jpeglib.h can lose because of a redefinition of
2244     dnl  HAVE_STDLIB_H.
2245     AC_CHECK_HEADER(jerror.h,
2246       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
2247   fi
2248
2249   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2250   if test "${HAVE_JPEG}" = "yes"; then
2251     AC_DEFINE(HAVE_JPEG)
2252     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2253         [#include <jpeglib.h>
2254          version=JPEG_LIB_VERSION
2255 ],
2256         AC_DEFINE(HAVE_JPEG),
2257         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2258         HAVE_JPEG=no])
2259   fi
2260 fi
2261
2262 ### Use -lpng if available, unless `--with-png=no'.
2263 HAVE_PNG=no
2264 if test "${HAVE_X11}" = "yes"; then
2265   if test "${with_png}" != "no"; then
2266     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2267     # in /usr/include/libpng.
2268     AC_CHECK_HEADERS(png.h libpng/png.h)
2269     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2270       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2271     fi
2272   fi
2273
2274   if test "${HAVE_PNG}" = "yes"; then
2275     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2276   fi
2277 fi
2278
2279 ### Use -ltiff if available, unless `--with-tiff=no'.
2280 HAVE_TIFF=no
2281 if test "${HAVE_X11}" = "yes"; then
2282   if test "${with_tiff}" != "no"; then
2283     AC_CHECK_HEADER(tiffio.h,
2284       tifflibs="-lz -lm"
2285       # At least one tiff package requires the jpeg library.
2286       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2287       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
2288   fi
2289
2290   if test "${HAVE_TIFF}" = "yes"; then
2291     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2292   fi
2293 fi
2294
2295 ### Use -lgif if available, unless `--with-gif=no'.
2296 HAVE_GIF=no
2297 if test "${HAVE_X11}" = "yes"; then
2298   if test "${with_gif}" != "no"; then
2299     AC_CHECK_HEADER(gif_lib.h,
2300 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2301 # Earlier versions can crash Emacs.
2302       AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
2303   fi
2304
2305   if test "${HAVE_GIF}" = "yes"; then
2306     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have the ungif library (-lungif).])
2307   fi
2308 fi
2309
2310 ### Use Mac OS X Carbon API to implement GUI.
2311 HAVE_CARBON=no
2312 if test "${with_carbon}" != "no"; then
2313   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
2314 fi
2315
2316 dnl Check for malloc/malloc.h on darwin
2317 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.]))
2318
2319 if test "${HAVE_CARBON}" = "yes"; then
2320   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2321   window_system=mac
2322   ## Specify the install directory
2323   carbon_appdir=
2324   if test "${carbon_appdir_x}" != ""; then
2325     case ${carbon_appdir_x} in
2326       y | ye | yes)  carbon_appdir=/Applications ;;
2327       * ) carbon_appdir=${carbon_appdir_x} ;;
2328     esac
2329   fi
2330   # We also have mouse menus.
2331   HAVE_MENUS=yes
2332 fi
2333
2334 ### Use session management (-lSM -lICE) if available
2335 HAVE_X_SM=no
2336 if test "${HAVE_X11}" = "yes"; then
2337   AC_CHECK_HEADER(X11/SM/SMlib.h,
2338     AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE))
2339
2340   if test "${HAVE_X_SM}" = "yes"; then
2341     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2342     case "$LIBS" in
2343       *-lSM*) ;;
2344       *)      LIBS="-lSM -lICE $LIBS" ;;
2345     esac
2346   fi
2347 fi
2348
2349 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2350 AC_CACHE_CHECK(whether netdb declares h_errno,
2351                emacs_cv_netdb_declares_h_errno,
2352 [AC_TRY_LINK([#include <netdb.h>],
2353   [return h_errno;],
2354   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2355 if test $emacs_cv_netdb_declares_h_errno = yes; then
2356   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2357 fi
2358
2359 AC_FUNC_ALLOCA
2360
2361 # fmod, logb, and frexp are found in -lm on most systems.
2362 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2363 AC_CHECK_LIB(m, sqrt)
2364
2365 # Check for mail-locking functions in a "mail" library.  Probably this should
2366 # have the same check as for liblockfile below.
2367 AC_CHECK_LIB(mail, maillock)
2368 dnl Debian, at least:
2369 AC_CHECK_LIB(lockfile, maillock)
2370 # If we have the shared liblockfile, assume we must use it for mail
2371 # locking (e.g. Debian).  If we couldn't link against liblockfile
2372 # (no liblockfile.a installed), ensure that we don't need to.
2373 if test "$ac_cv_lib_lockfile_maillock" = no; then
2374   dnl This works for files generally, not just executables.
2375   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2376   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2377                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2378   if test $ac_cv_prog_liblockfile = yes; then
2379     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2380 This probably means that movemail could lose mail.
2381 There may be a `development' package to install containing liblockfile.])
2382   else :
2383   fi
2384 fi
2385 AC_CHECK_FUNCS(touchlock)
2386 AC_CHECK_HEADERS(maillock.h)
2387
2388 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2389 rename closedir mkdir rmdir sysinfo getrusage \
2390 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
2391 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2392 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2393 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2394 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2395 gai_strerror mkstemp getline getdelim mremap memmove fsync bzero \
2396 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2397
2398 AC_CHECK_HEADERS(sys/un.h)
2399
2400 AC_FUNC_MKTIME
2401 if test "$ac_cv_func_working_mktime" = no; then
2402   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2403 fi
2404
2405 AC_FUNC_GETLOADAVG
2406
2407 AC_FUNC_FSEEKO
2408
2409 AC_FUNC_GETPGRP
2410
2411 AC_FUNC_STRFTIME
2412
2413 # UNIX98 PTYs.
2414 AC_CHECK_FUNCS(grantpt)
2415
2416 # PTY-related GNU extensions.
2417 AC_CHECK_FUNCS(getpt)
2418
2419 # Check this now, so that we will NOT find the above functions in ncurses.
2420 # That is because we have not set up to link ncurses in lib-src.
2421 # It's better to believe a function is not available
2422 # than to expect to find it in ncurses.
2423 AC_CHECK_LIB(ncurses, tparm)
2424
2425 # Do we need the Hesiod library to provide the support routines?
2426 if test "$with_hesiod" = yes ; then
2427   # Don't set $LIBS here -- see comments above.
2428   resolv=no
2429   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2430      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2431                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2432   if test "$resolv" = yes ; then
2433     RESOLVLIB=-lresolv
2434     AC_DEFINE(HAVE_LIBRESOLV, 1,
2435               [Define to 1 if you have the resolv library (-lresolv).])
2436   else
2437     RESOLVLIB=
2438   fi
2439   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2440         AC_DEFINE(HAVE_LIBHESIOD, 1,
2441                   [Define to 1 if you have the hesiod library (-lhesiod).]),
2442         :, $RESOLVLIB)])
2443 fi
2444
2445 # These tell us which Kerberos-related libraries to use.
2446 if test "${with_kerberos+set}" = set; then
2447   AC_CHECK_LIB(com_err, com_err)
2448   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2449   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2450   AC_CHECK_LIB(krb5, krb5_init_context)
2451   if test "${with_kerberos5+set}" != set; then
2452     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2453                  AC_CHECK_LIB(des, des_cbc_encrypt))
2454     AC_CHECK_LIB(krb4, krb_get_cred,,
2455                  AC_CHECK_LIB(krb, krb_get_cred))
2456   fi
2457
2458   if test "${with_kerberos5+set}" = set; then
2459     AC_CHECK_HEADERS(krb5.h)
2460   else
2461     AC_CHECK_HEADERS(des.h,,
2462                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2463                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2464     AC_CHECK_HEADERS(krb.h,,
2465                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2466                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2467   fi
2468   AC_CHECK_HEADERS(com_err.h)
2469 fi
2470
2471 # Solaris requires -lintl if you want strerror (which calls dgettext)
2472 # to return localized messages.
2473 AC_CHECK_LIB(intl, dgettext)
2474
2475 AC_MSG_CHECKING(whether localtime caches TZ)
2476 AC_CACHE_VAL(emacs_cv_localtime_cache,
2477 [if test x$ac_cv_func_tzset = xyes; then
2478 AC_TRY_RUN([#include <time.h>
2479 extern char **environ;
2480 unset_TZ ()
2481 {
2482   char **from, **to;
2483   for (to = from = environ; (*to = *from); from++)
2484     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2485       to++;
2486 }
2487 char TZ_GMT0[] = "TZ=GMT0";
2488 char TZ_PST8[] = "TZ=PST8";
2489 main()
2490 {
2491   time_t now = time ((time_t *) 0);
2492   int hour_GMT0, hour_unset;
2493   if (putenv (TZ_GMT0) != 0)
2494     exit (1);
2495   hour_GMT0 = localtime (&now)->tm_hour;
2496   unset_TZ ();
2497   hour_unset = localtime (&now)->tm_hour;
2498   if (putenv (TZ_PST8) != 0)
2499     exit (1);
2500   if (localtime (&now)->tm_hour == hour_GMT0)
2501     exit (1);
2502   unset_TZ ();
2503   if (localtime (&now)->tm_hour != hour_unset)
2504     exit (1);
2505   exit (0);
2506 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2507 [# If we have tzset, assume the worst when cross-compiling.
2508 emacs_cv_localtime_cache=yes])
2509 else
2510         # If we lack tzset, report that localtime does not cache TZ,
2511         # since we can't invalidate the cache if we don't have tzset.
2512         emacs_cv_localtime_cache=no
2513 fi])dnl
2514 AC_MSG_RESULT($emacs_cv_localtime_cache)
2515 if test $emacs_cv_localtime_cache = yes; then
2516   AC_DEFINE(LOCALTIME_CACHE, 1,
2517             [Define to 1 if localtime caches TZ.])
2518 fi
2519
2520 if test "x$HAVE_TIMEVAL" = xyes; then
2521   AC_CHECK_FUNCS(gettimeofday)
2522   if test $ac_cv_func_gettimeofday = yes; then
2523     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2524                    emacs_cv_gettimeofday_two_arguments,
2525     [AC_TRY_COMPILE([
2526 #ifdef TIME_WITH_SYS_TIME
2527 #include <sys/time.h>
2528 #include <time.h>
2529 #else
2530 #ifdef HAVE_SYS_TIME_H
2531 #include <sys/time.h>
2532 #else
2533 #include <time.h>
2534 #endif
2535 #endif],
2536       [struct timeval time;
2537        gettimeofday (&time, 0);],
2538       emacs_cv_gettimeofday_two_arguments=yes,
2539       emacs_cv_gettimeofday_two_arguments=no)])
2540     if test $emacs_cv_gettimeofday_two_arguments = no; then
2541       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2542                 [Define to 1 if gettimeofday accepts only one argument.])
2543     fi
2544   fi
2545 fi
2546
2547 # This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE.
2548 AC_STRUCT_TIMEZONE
2549
2550 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2551 if test "$ac_cv_func_gettimeofday" = yes; then
2552   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2553     [AC_TRY_COMPILE([#include <sys/time.h>],
2554     [struct timezone tz;],
2555     dnl It may be that we can't call gettimeofday with a non-null pointer,
2556     dnl even though we have struct timezone (e.g. HPUX).  In that case
2557     dnl we'll lie about struct timezone.
2558     [AC_TRY_RUN([
2559 #ifdef TIME_WITH_SYS_TIME
2560 #include <sys/time.h>
2561 #include <time.h>
2562 #else
2563 #ifdef HAVE_SYS_TIME_H
2564 #include <sys/time.h>
2565 #else
2566 #include <time.h>
2567 #endif
2568 #endif
2569 main () {
2570   struct timeval time;
2571   struct timezone dummy;
2572   exit (gettimeofday (&time, &dummy));
2573 }],
2574       emacs_cv_struct_timezone=yes,
2575       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2576     emacs_cv_struct_timezone=no)])
2577 fi
2578
2579 ok_so_far=yes
2580 AC_CHECK_FUNC(socket, , ok_so_far=no)
2581 if test $ok_so_far = yes; then
2582   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2583 fi
2584 if test $ok_so_far = yes; then
2585   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2586 fi
2587 if test $ok_so_far = yes; then
2588 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2589   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2590             [Define to 1 if you have inet sockets.])
2591 fi
2592
2593 AC_CHECK_HEADERS(sys/ioctl.h)
2594
2595 if test -f /usr/lpp/X11/bin/smt.exp; then
2596   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2597             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2598 fi
2599
2600 AC_MSG_CHECKING(whether system supports dynamic ptys)
2601 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2602   AC_MSG_RESULT(yes)
2603   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2604 else
2605   AC_MSG_RESULT(no)
2606 fi
2607
2608 AC_FUNC_FORK
2609
2610 dnl Adapted from Haible's version.
2611 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2612   [AC_TRY_LINK([#include <langinfo.h>],
2613     [char* cs = nl_langinfo(CODESET);],
2614     emacs_cv_langinfo_codeset=yes,
2615     emacs_cv_langinfo_codeset=no)
2616   ])
2617 if test $emacs_cv_langinfo_codeset = yes; then
2618   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2619     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2620 fi
2621
2622 AC_CHECK_TYPES(size_t)
2623
2624 AC_TYPE_MBSTATE_T
2625
2626 dnl Restrict could probably be used effectively other than in regex.c.
2627 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2628   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2629                   emacs_cv_c_restrict=yes,
2630                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2631                                   emacs_cv_c_restrict=__restrict,
2632                                   emacs_cv_c_restrict=no)])])
2633 case "$emacs_cv_c_restrict" in
2634   yes) emacs_restrict=restrict;;
2635   no) emacs_restrict="";;
2636   *) emacs_restrict="$emacs_cv_c_restrict";;
2637 esac
2638 if test "$emacs_restrict" != __restrict; then
2639   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2640     [Define to compiler's equivalent of C99 restrict keyword.
2641      Don't define if equivalent is `__restrict'.])
2642 fi
2643
2644 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2645   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2646                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2647 if test "$emacs_cv_c_restrict_arr" = yes; then
2648   AC_DEFINE(__restrict_arr, __restrict,
2649     [Define to compiler's equivalent of C99 restrict keyword in array
2650      declarations.  Define as empty for no equivalent.])
2651 fi
2652
2653 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2654 dnl how the tty code is related to POSIX and/or other versions of termios.
2655 dnl The following looks like a useful start.
2656 dnl
2657 dnl AC_SYS_POSIX_TERMIOS
2658 dnl if test $ac_cv_sys_posix_termios = yes; then
2659 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2660 dnl                                and macros for terminal control.])
2661 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2662 dnl fi
2663
2664 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2665
2666 # Set up the CFLAGS for real compilation, so we can substitute it.
2667 CFLAGS="$REAL_CFLAGS"
2668 CPPFLAGS="$REAL_CPPFLAGS"
2669
2670 #### Find out which version of Emacs this is.
2671 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2672          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2673 if test x"${version}" = x; then
2674   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2675 fi
2676
2677 ### Specify what sort of things we'll be editing into Makefile and config.h.
2678 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2679 AC_SUBST(version)
2680 AC_SUBST(configuration)
2681 AC_SUBST(canonical)
2682 AC_SUBST(srcdir)
2683 AC_SUBST(prefix)
2684 AC_SUBST(exec_prefix)
2685 AC_SUBST(bindir)
2686 AC_SUBST(datadir)
2687 AC_SUBST(sharedstatedir)
2688 AC_SUBST(libexecdir)
2689 AC_SUBST(mandir)
2690 AC_SUBST(infodir)
2691 AC_SUBST(lispdir)
2692 AC_SUBST(locallisppath)
2693 AC_SUBST(lisppath)
2694 AC_SUBST(x_default_search_path)
2695 AC_SUBST(etcdir)
2696 AC_SUBST(archlibdir)
2697 AC_SUBST(docdir)
2698 AC_SUBST(bitmapdir)
2699 AC_SUBST(gamedir)
2700 AC_SUBST(gameuser)
2701 AC_SUBST(c_switch_system)
2702 AC_SUBST(c_switch_machine)
2703 AC_SUBST(LD_SWITCH_X_SITE)
2704 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2705 AC_SUBST(C_SWITCH_X_SITE)
2706 AC_SUBST(CFLAGS)
2707 AC_SUBST(X_TOOLKIT_TYPE)
2708 AC_SUBST(machfile)
2709 AC_SUBST(opsysfile)
2710 AC_SUBST(GETLOADAVG_LIBS)
2711 AC_SUBST(carbon_appdir)
2712
2713 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2714                    [Define to the canonical Emacs configuration name.])
2715 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2716                    [Define to the options passed to configure.])
2717 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2718                    [Define to the used machine dependent file.])
2719 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2720                    [Define to the used os dependent file.])
2721 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2722 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2723  may need to deal with X Windows.  For instance, if you've defined
2724  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2725  your loader can find on its own, you might want to add "-L/..." or
2726  something similar.])
2727 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2728                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2729                     in case it's needed (for Solaris, for example).])
2730 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2731 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2732  may need to deal with X Windows.  For instance, if you've defined
2733  HAVE_X_WINDOWS above and your X include files aren't in a place
2734  that your compiler can find on its own, you might want to add
2735  "-I/..." or something similar.])
2736 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2737                    [Define to the unexec source file name.])
2738
2739 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2740   AC_DEFINE(HAVE_X_WINDOWS, 1,
2741             [Define to 1 if you want to use the X window system.])
2742 fi
2743 if test "${USE_X_TOOLKIT}" != "none" ; then
2744   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2745 fi
2746 if test "${HAVE_X11}" = "yes" ; then
2747   AC_DEFINE(HAVE_X11, 1,
2748             [Define to 1 if you want to use version 11 of X windows.
2749              Otherwise, Emacs expects to use version 10.])
2750 fi
2751 if test "${HAVE_XFREE386}" = "yes" ; then
2752   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2753 fi
2754 if test "${HAVE_MENUS}" = "yes" ; then
2755   AC_DEFINE(HAVE_MENUS, 1,
2756             [Define to 1 if you have mouse menus.
2757              (This is automatic if you use X, but the option to specify it remains.)
2758              It is also defined with other window systems that support xmenu.c.])
2759 fi
2760 if test "${GNU_MALLOC}" = "yes" ; then
2761   AC_DEFINE(GNU_MALLOC, 1,
2762             [Define to 1 if you want to use the GNU memory allocator.])
2763 fi
2764 if test "${REL_ALLOC}" = "yes" ; then
2765   AC_DEFINE(REL_ALLOC, 1,
2766             [Define REL_ALLOC if you want to use the relocating allocator for
2767              buffer space.])
2768 fi
2769
2770 AH_TOP([/* GNU Emacs site configuration template file.
2771    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2002, 2004
2772              Free Software Foundation, Inc.
2773
2774 This file is part of GNU Emacs.
2775
2776 GNU Emacs is free software; you can redistribute it and/or modify
2777 it under the terms of the GNU General Public License as published by
2778 the Free Software Foundation; either version 2, or (at your option)
2779 any later version.
2780
2781 GNU Emacs is distributed in the hope that it will be useful,
2782 but WITHOUT ANY WARRANTY; without even the implied warranty of
2783 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2784 GNU General Public License for more details.
2785
2786 You should have received a copy of the GNU General Public License
2787 along with GNU Emacs; see the file COPYING.  If not, write to the
2788 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
2789 Boston, MA 02111-1307, USA.  */
2790
2791
2792 /* No code in Emacs #includes config.h twice, but some bits of code
2793    intended to work with other packages as well (like gmalloc.c)
2794    think they can include it as many times as they like.  */
2795 #ifndef EMACS_CONFIG_H
2796 #define EMACS_CONFIG_H
2797 ])dnl
2798
2799 AH_BOTTOM([
2800 /* If we're using any sort of window system, define some consequences.  */
2801 #ifdef HAVE_X_WINDOWS
2802 #define HAVE_WINDOW_SYSTEM
2803 #define MULTI_KBOARD
2804 #define HAVE_MOUSE
2805 #endif
2806
2807 /* If we're using the Carbon API on Mac OS X, define a few more
2808    variables as well.  */
2809 #ifdef HAVE_CARBON
2810 #define HAVE_WINDOW_SYSTEM
2811 #define HAVE_MOUSE
2812 #endif
2813
2814 /* Define USER_FULL_NAME to return a string
2815    that is the user's full name.
2816    It can assume that the variable `pw'
2817    points to the password file entry for this user.
2818
2819    At some sites, the pw_gecos field contains
2820    the user's full name.  If neither this nor any other
2821    field contains the right thing, use pw_name,
2822    giving the user's login name, since that is better than nothing.  */
2823 #define USER_FULL_NAME pw->pw_gecos
2824
2825 /* Define AMPERSAND_FULL_NAME if you use the convention
2826    that & in the full name stands for the login id.  */
2827 /* Turned on June 1996 supposing nobody will mind it.  */
2828 #define AMPERSAND_FULL_NAME
2829
2830 /* We have blockinput.h.  */
2831 #define DO_BLOCK_INPUT
2832
2833 /* Define HAVE_SOUND if we have sound support.  We know it works
2834    and compiles only on the specified platforms.   For others,
2835    it probably doesn't make sense to try.  */
2836
2837 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
2838 #ifdef HAVE_MACHINE_SOUNDCARD_H
2839 #define HAVE_SOUND 1
2840 #endif
2841 #ifdef HAVE_SYS_SOUNDCARD_H
2842 #define HAVE_SOUND 1
2843 #endif
2844 #ifdef HAVE_SOUNDCARD_H
2845 #define HAVE_SOUND 1
2846 #endif
2847 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
2848
2849 /* If using GNU, then support inline function declarations. */
2850 /* Don't try to switch on inline handling as detected by AC_C_INLINE
2851    generally, because even if non-gcc compilers accept `inline', they
2852    may reject `extern inline'.  */
2853 #if defined (__GNUC__) && defined (OPTIMIZE)
2854 #define INLINE __inline__
2855 #else
2856 #define INLINE
2857 #endif
2858
2859 /* Include the os and machine dependent files.  */
2860 #include config_opsysfile
2861 #include config_machfile
2862
2863 /* Load in the conversion definitions if this system
2864    needs them and the source file being compiled has not
2865    said to inhibit this.  There should be no need for you
2866    to alter these lines.  */
2867
2868 #ifdef SHORTNAMES
2869 #ifndef NO_SHORTNAMES
2870 #include "../shortnames/remap.h"
2871 #endif /* not NO_SHORTNAMES */
2872 #endif /* SHORTNAMES */
2873
2874 /* If no remapping takes place, static variables cannot be dumped as
2875    pure, so don't worry about the `static' keyword. */
2876 #ifdef NO_REMAP
2877 #undef static
2878 #endif
2879
2880 /* Define `subprocesses' should be defined if you want to
2881    have code for asynchronous subprocesses
2882    (as used in M-x compile and M-x shell).
2883    These do not work for some USG systems yet;
2884    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
2885
2886 #ifndef VMS
2887 #ifndef USG
2888 /* #define subprocesses */
2889 #endif
2890 #endif
2891
2892 /* SIGTYPE is the macro we actually use.  */
2893 #ifndef SIGTYPE
2894 #define SIGTYPE RETSIGTYPE
2895 #endif
2896
2897 #ifdef emacs /* Don't do this for lib-src.  */
2898 /* Tell regex.c to use a type compatible with Emacs.  */
2899 #define RE_TRANSLATE_TYPE Lisp_Object
2900 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
2901 #ifdef make_number
2902 /* If make_number is a macro, use it.  */
2903 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
2904 #else
2905 /* If make_number is a function, avoid it.  */
2906 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
2907 #endif
2908 #endif
2909
2910 /* Avoid link-time collision with system mktime if we will use our own.  */
2911 #if ! HAVE_MKTIME || BROKEN_MKTIME
2912 #define mktime emacs_mktime
2913 #endif
2914
2915 #define my_strftime nstrftime   /* for strftime.c */
2916
2917 /* The rest of the code currently tests the CPP symbol BSTRING.
2918    Override any claims made by the system-description files.
2919    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
2920 #undef BSTRING
2921 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
2922 #define BSTRING
2923 #endif
2924
2925 /* Some of the files of Emacs which are intended for use with other
2926    programs assume that if you have a config.h file, you must declare
2927    the type of getenv.
2928
2929    This declaration shouldn't appear when alloca.s or Makefile.in
2930    includes config.h.  */
2931 #ifndef NOT_C_CODE
2932 extern char *getenv ();
2933 #endif
2934
2935 /* These default definitions are good for almost all machines.
2936    The exceptions override them in m/MACHINE.h.  */
2937
2938 #ifndef BITS_PER_CHAR
2939 #define BITS_PER_CHAR 8
2940 #endif
2941
2942 #ifndef BITS_PER_SHORT
2943 #define BITS_PER_SHORT 16
2944 #endif
2945
2946 /* Note that lisp.h uses this in a preprocessor conditional, so it
2947    would not work to use sizeof.  That being so, we do all of them
2948    without sizeof, for uniformity's sake.  */
2949 #ifndef BITS_PER_INT
2950 #define BITS_PER_INT 32
2951 #endif
2952
2953 #ifndef BITS_PER_LONG
2954 #ifdef _LP64
2955 #define BITS_PER_LONG 64
2956 #else
2957 #define BITS_PER_LONG 32
2958 #endif
2959 #endif
2960
2961 /* Define if the compiler supports function prototypes.  It may do so
2962    but not define __STDC__ (e.g. DEC C by default) or may define it as
2963    zero.  */
2964 #undef PROTOTYPES
2965 /* For mktime.c:  */
2966 #ifndef __P
2967 # if defined PROTOTYPES
2968 #  define __P(args) args
2969 # else
2970 #  define __P(args) ()
2971 # endif  /* GCC.  */
2972 #endif /* __P */
2973
2974 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
2975 #ifndef NOT_C_CODE
2976 #ifdef HAVE_STRING_H
2977 #include "string.h"
2978 #endif
2979 #ifdef HAVE_STRINGS_H
2980 #include "strings.h"  /* May be needed for bcopy & al. */
2981 #endif
2982 #ifdef HAVE_STDLIB_H
2983 #include <stdlib.h>
2984 #endif
2985 #ifndef __GNUC__
2986 # ifdef HAVE_ALLOCA_H
2987 #  include <alloca.h>
2988 # else /* AIX files deal with #pragma.  */
2989 #  ifndef alloca /* predefined by HP cc +Olibcalls */
2990 char *alloca ();
2991 #  endif
2992 # endif /* HAVE_ALLOCA_H */
2993 #endif /* __GNUC__ */
2994 #ifndef HAVE_SIZE_T
2995 typedef unsigned size_t;
2996 #endif
2997 #endif /* NOT_C_CODE */
2998
2999 /* Define HAVE_X_I18N if we have usable i18n support.  */
3000
3001 #ifdef HAVE_X11R6
3002 #define HAVE_X_I18N
3003 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
3004 #define HAVE_X_I18N
3005 #endif
3006
3007 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
3008
3009 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3010 #define HAVE_X11R6_XIM
3011 #endif
3012
3013 /* Should we enable expensive run-time checking of data types?  */
3014 #undef ENABLE_CHECKING
3015
3016 #if defined __GNUC__ && (__GNUC__ > 2 \
3017                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3018 #define NO_RETURN       __attribute__ ((__noreturn__))
3019 #else
3020 #define NO_RETURN       /* nothing */
3021 #endif
3022
3023 /* These won't be used automatically yet.  We also need to know, at least,
3024    that the stack is continuous.  */
3025 #ifdef __GNUC__
3026 #  ifndef GC_SETJMP_WORKS
3027   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
3028      see NON_SAVING_SETJMP in the target descriptions.  */
3029   /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
3030      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
3031      Fixme: Deal with ns32k, SVR3.  */
3032 #    define GC_SETJMP_WORKS 1
3033 #  endif
3034 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3035 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3036 #  endif
3037 #endif
3038
3039 #ifndef HAVE_BCOPY
3040 #define bcopy(a,b,s) memcpy (b,a,s)
3041 #endif
3042 #ifndef HAVE_BZERO
3043 #define bzero(a,s) memset (a,0,s)
3044 #endif
3045 #ifndef HAVE_BCMP
3046 #define BCMP memcmp
3047 #endif
3048
3049 #endif /* EMACS_CONFIG_H */
3050
3051 /*
3052 Local Variables:
3053 mode: c
3054 End:
3055 */
3056 ])dnl
3057
3058 #### Report on what we decided to do.
3059 #### Report GTK as a toolkit, even if it doesn't use Xt.
3060 #### It makes printing result more understandable as using GTK sets
3061 #### toolkit_scroll_bars to yes by default.
3062 if test "${HAVE_GTK}" = "yes"; then
3063   USE_X_TOOLKIT=GTK
3064 fi
3065
3066 echo "
3067 Configured for \`${canonical}'.
3068
3069   Where should the build process find the source code?    ${srcdir}
3070   What operating system and machine description files should Emacs use?
3071         \`${opsysfile}' and \`${machfile}'
3072   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3073   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3074   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3075   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3076   What window system should Emacs use?                    ${window_system}
3077   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3078
3079 if test -n "${x_includes}"; then
3080 echo "  Where do we find X Windows header files?                ${x_includes}"
3081 else
3082 echo "  Where do we find X Windows header files?                Standard dirs"
3083 fi
3084 if test -n "${x_libraries}"; then
3085 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3086 else
3087 echo "  Where do we find X Windows libraries?                   Standard dirs"
3088 fi
3089
3090 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3091 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3092 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3093 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3094 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
3095 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3096 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3097 echo
3098
3099 if test "$emacs_cv_randomheap" = warn; then
3100   AC_MSG_WARN([
3101 **********************************************************************
3102
3103 Heap start address is randomized and no workaround is known.
3104 Emacs will probably dump core when temacs is run in the build phase.
3105 Maybe exec-shield is turned on.  Read about exec-shield in `etc/PROBLEMS'
3106 for further information.
3107
3108 **********************************************************************
3109 ])
3110 fi
3111
3112 # Remove any trailing slashes in these variables.
3113 [test "${prefix}" != NONE &&
3114   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3115 test "${exec_prefix}" != NONE &&
3116   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3117
3118 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3119 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3120 ## from Makefile.c can correctly provide the arg `-traditional' to the
3121 ## C preprocessor.
3122
3123 AC_EGREP_CPP(yes..yes,
3124         [yes..yes],
3125         CPP_NEED_TRADITIONAL=no,
3126         CPP_NEED_TRADITIONAL=yes)
3127
3128 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3129         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
3130         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
3131
3132 ### Make the necessary directories, if they don't exist.
3133 for dir in etc lisp ; do
3134   test -d ${dir} || mkdir ${dir}
3135 done
3136
3137 # Build src/Makefile from ${srcdir}/src/Makefile.c
3138 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3139 # This must be done after src/config.h is built, since we rely on that file.
3140
3141 # Now get this: Some word that is part of the ${srcdir} directory name
3142 # or the ${configuration} value might, just might, happen to be an
3143 # identifier like `sun4' or `i386' or something, and be predefined by
3144 # the C preprocessor to some helpful value like 1, or maybe the empty
3145 # string.  Needless to say consequent macro substitutions are less
3146 # than conducive to the makefile finding the correct directory.
3147 [undefs="`echo $top_srcdir $configuration $canonical |
3148 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3149     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3150 `"]
3151
3152 echo creating src/epaths.h
3153 ${MAKE-make} epaths-force
3154
3155 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3156 # `..' to `. .'  unless invoked with -traditional
3157
3158 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3159   CPPFLAGS="$CPPFLAGS -traditional"
3160 fi
3161
3162 echo creating lib-src/Makefile
3163 ( cd lib-src
3164   rm -f junk.c junk1.c junk2.c
3165   sed -e '/start of cpp stuff/q' \
3166       < Makefile.c > junk1.c
3167   sed -e '1,/start of cpp stuff/d'\
3168       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3169       < Makefile.c > junk.c
3170   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3171       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3172   cat junk1.c junk2.c > Makefile.new
3173   rm -f junk.c junk1.c junk2.c
3174   chmod 444 Makefile.new
3175   mv -f Makefile.new Makefile
3176 )
3177
3178 echo creating src/Makefile
3179 ( cd src
3180   rm -f junk.c junk1.c junk2.c
3181   sed -e '/start of cpp stuff/q' \
3182       < Makefile.c > junk1.c
3183   sed -e '1,/start of cpp stuff/d'\
3184       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3185       < Makefile.c > junk.c
3186   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3187       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3188   cat junk1.c junk2.c > Makefile.new
3189   rm -f junk.c junk1.c junk2.c
3190   chmod 444 Makefile.new
3191   mv -f Makefile.new Makefile
3192 )
3193
3194 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3195   echo creating src/.gdbinit
3196   echo source $srcdir/src/.gdbinit > src/.gdbinit
3197 fi
3198
3199 # This is how we know whether to re-run configure in certain cases.
3200 touch src/config.stamp
3201
3202 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3203
3204 m4_if(dnl       Do not change this comment
3205    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3206 )dnl