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
   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(2.51)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=yes
  42
  43 AC_ARG_WITH(game-dir,
  44 [  --with-game-dir         use a shared game directory if possible],
  45    [if test "$withval" = yes; then
  46       gamedir="${localstatedir}/games/emacs"
  47     else
  48       if test "$withval" = no; then
  49         gamedir=no
  50       else
  51         gamedir="$withval"
  52       fi
  53     fi
  54 ])
  55
  56 gameuser=games
  57 AC_ARG_WITH(game-user,
  58 [  --with-game-user       use specified user for game directory],
  59    [gameuser="$withval"])
  60
  61 AC_ARG_WITH(gcc,
  62 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  63 AC_ARG_WITH(pop,
  64 [  --without-pop           don't support POP mail retrieval with movemail],
  65 [if test "$withval" = yes; then
  66    AC_DEFINE(MAIL_USE_POP)
  67 else :
  68 fi],
  69 AC_DEFINE(MAIL_USE_POP))
  70 AC_ARG_WITH(kerberos,
  71 [  --with-kerberos         support Kerberos-authenticated POP],
  72 [AC_DEFINE(KERBEROS)])
  73 AC_ARG_WITH(kerberos5,
  74 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  75 [if test "${with_kerberos5+set}" = set; then
  76   if test "${with_kerberos+set}" != set; then
  77     with_kerberos=yes
  78     AC_DEFINE(KERBEROS)
  79   fi
  80 fi
  81 AC_DEFINE(KERBEROS5)])
  82 AC_ARG_WITH(hesiod,
  83 [  --with-hesiod           support Hesiod to get the POP server host],
  84 [AC_DEFINE(HESIOD)])
  85
  86 AC_ARG_WITH(sound,
  87 [  --without-sound         don't compile with sound support])
  88
  89 dnl This should be the last --with option, because --with-x is
  90 dnl added later on when we find the path of X, and it's best to
  91 dnl keep them together visually.
  92 AC_ARG_WITH(x-toolkit,
  93 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  94 [         case "${withval}" in
  95             y | ye | yes )      val=athena ;;
  96             n | no )            val=no  ;;
  97             l | lu | luc | luci | lucid )       val=lucid ;;
  98             a | at | ath | athe | athen | athena )      val=athena ;;
  99             m | mo | mot | moti | motif )       val=motif ;;
 100 dnl These don't currently work.
 101 dnl         o | op | ope | open | open- | open-l | open-lo \
 102 dnl             | open-loo | open-look )        val=open-look ;;
 103             * )
 104 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
 105 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
 106 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
 107 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
 108 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
 109             ;;
 110           esac
 111           with_x_toolkit=$val
 112 ])
 113 AC_ARG_WITH(xpm,
 114 [  --with-xpm              use -lXpm for displaying XPM images])
 115 AC_ARG_WITH(jpeg,
 116 [  --with-jpeg             use -ljpeg for displaying JPEG images])
 117 AC_ARG_WITH(tiff,
 118 [  --with-tiff             use -ltiff for displaying TIFF images])
 119 AC_ARG_WITH(gif,
 120 [  --with-gif              use -lungif for displaying GIF images])
 121 AC_ARG_WITH(png,
 122 [  --with-png              use -lpng for displaying PNG images])
 123 AC_ARG_WITH(toolkit-scroll-bars,
 124 [  --without-toolkit-scroll-bars
 125                           don't use Motif or Xaw3d scroll bars])
 126 AC_ARG_WITH(xim,
 127 [  --without-xim           don't use X11 XIM])
 128
 129 #### Make srcdir absolute, if it isn't already.  It's important to
 130 #### avoid running the path through pwd unnecessarily, since pwd can
 131 #### give you automounter prefixes, which can go away.  We do all this
 132 #### so Emacs can find its files when run uninstalled.
 133 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 134 unset CDPATH
 135 case "${srcdir}" in
 136   /* ) ;;
 137   . )
 138     ## We may be able to use the $PWD environment variable to make this
 139     ## absolute.  But sometimes PWD is inaccurate.
 140     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 141     ## but that tested only for a well-formed and valid PWD,
 142     ## it did not object when PWD was well-formed and valid but just wrong.
 143     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 144     then
 145       srcdir="$PWD"
 146     else
 147       srcdir="`(cd ${srcdir}; pwd)`"
 148     fi
 149   ;;
 150   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 151 esac
 152
 153 #### Check if the source directory already has a configured system in it.
 154 if test `pwd` != `(cd ${srcdir} && pwd)` \
 155    && test -f "${srcdir}/src/config.h" ; then
 156   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 157    as a build directory right now; it has been configured in its own
 158    right.  To configure in another directory as well, you MUST
 159    use GNU make.  If you do not have GNU make, then you must
 160    now do \`make distclean' in ${srcdir},
 161    and then run $0 again.])
 162
 163 changequote(, )dnl
 164   extrasub='/^VPATH[     ]*=/c\
 165 changequote([, ])dnl
 166 vpath %.c $(srcdir)\
 167 vpath %.h $(srcdir)\
 168 vpath %.y $(srcdir)\
 169 vpath %.l $(srcdir)\
 170 vpath %.s $(srcdir)\
 171 vpath %.in $(srcdir)\
 172 vpath %.texi $(srcdir)'
 173 fi
 174
 175 #### Given the configuration name, set machfile and opsysfile to the
 176 #### names of the m/*.h and s/*.h files we should use.
 177
 178 ### Canonicalize the configuration name.
 179
 180 AC_CANONICAL_HOST
 181 canonical=$host
 182 configuration=${host_alias-$host}
 183
 184 changequote(, )dnl
 185
 186 ### If you add support for a new configuration, add code to this
 187 ### switch statement to recognize your configuration name and select
 188 ### the appropriate operating system and machine description files.
 189
 190 ### You would hope that you could choose an m/*.h file pretty much
 191 ### based on the machine portion of the configuration name, and an s-
 192 ### file based on the operating system portion.  However, it turns out
 193 ### that each m/*.h file is pretty manufacturer-specific - for
 194 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 195 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 196 ### machines.  So we basically have to have a special case for each
 197 ### configuration name.
 198 ###
 199 ### As far as handling version numbers on operating systems is
 200 ### concerned, make sure things will fail in a fixable way.  If
 201 ### /etc/MACHINES doesn't say anything about version numbers, be
 202 ### prepared to handle anything reasonably.  If version numbers
 203 ### matter, be sure /etc/MACHINES says something about it.
 204 ###
 205 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 206 ### "System V Release 4"; he writes, "The old convention encouraged
 207 ### confusion between `system' and `release' levels'."
 208
 209 machine='' opsys='' unported=no
 210 case "${canonical}" in
 211
 212   ## FreeBSD ports
 213   *-*-freebsd* )
 214     opsys=freebsd
 215     case "${canonical}" in
 216       alpha*-*-freebsd*)        machine=alpha ;;
 217       i[3456]86-*-freebsd*)     machine=intel386 ;;
 218     esac
 219   ;;
 220
 221   ## NetBSD ports
 222   *-*-netbsd* )
 223     opsys=netbsd
 224     case "${canonical}" in
 225       alpha*-*-netbsd*) machine=alpha ;;
 226       i[3456]86-*-netbsd*) machine=intel386 ;;
 227       m68k-*-netbsd*)
 228                         # This is somewhat bogus.
 229                         machine=hp9000s300 ;;
 230       powerpc-apple-netbsd*) machine=macppc ;;
 231       mips-*-netbsd*)   machine=pmax ;;
 232       mipsel-*-netbsd*) machine=pmax ;;
 233       ns32k-*-netbsd*)  machine=ns32000 ;;
 234       powerpc-*-netbsd*) machine=macppc ;;
 235       sparc*-*-netbsd*) machine=sparc ;;
 236       vax-*-netbsd*)    machine=vax ;;
 237       arm-*-netbsd*)    machine=arm ;;
 238     esac
 239   ;;
 240
 241   ## OpenBSD ports
 242   *-*-openbsd* )
 243     opsys=openbsd
 244     case "${canonical}" in
 245       alpha*-*-openbsd*)        machine=alpha ;;
 246       i386-*-openbsd*)  machine=intel386 ;;
 247       m68k-*-openbsd*)  machine=hp9000s300 ;;
 248       mipsel-*-openbsd*) machine=pmax ;;
 249       ns32k-*-openbsd*) machine=ns32000 ;;
 250       sparc-*-openbsd*) machine=sparc ;;
 251       vax-*-openbsd*)   machine=vax ;;
 252     esac
 253   ;;
 254
 255   ## Acorn RISCiX:
 256   arm-acorn-riscix1.1* )
 257     machine=acorn opsys=riscix1-1
 258   ;;
 259   arm-acorn-riscix1.2* | arm-acorn-riscix )
 260     ## This name is riscix12 instead of riscix1.2
 261     ## to avoid a file name conflict on MSDOS.
 262     machine=acorn opsys=riscix12
 263   ;;
 264
 265   ## BSDI ports
 266   *-*-bsdi* )
 267     opsys=bsdi
 268     case "${canonical}" in
 269       i[345]86-*-bsdi*) machine=intel386 ;;
 270       sparc-*-bsdi*)  machine=sparc ;;
 271       powerpc-*-bsdi*)  machine=macppc ;;
 272     esac
 273     case "${canonical}" in
 274       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 275       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 276       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 277       *-*-bsdi3* )              opsys=bsdos3 ;;
 278       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 279     esac
 280   ;;
 281
 282   ## Alliant machines
 283   ## Strictly speaking, we need the version of the alliant operating
 284   ## system to choose the right machine file, but currently the
 285   ## configuration name doesn't tell us enough to choose the right
 286   ## one; we need to give alliants their own operating system name to
 287   ## do this right.  When someone cares, they can help us.
 288   fx80-alliant-* )
 289     machine=alliant4 opsys=bsd4-2
 290   ;;
 291   i860-alliant-* )
 292     machine=alliant-2800 opsys=bsd4-3
 293   ;;
 294
 295   ## Alpha (DEC) machines.
 296   alpha*-dec-osf* )
 297     machine=alpha opsys=osf1
 298     # This is needed to find X11R6.1 libraries for certain tests.
 299     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 300     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 301     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 302     # due to non-traditional preprocessing with the current compiler
 303     # defaults.  OSF 4 can also have that compiler version, and there
 304     # seems always to have been a usable /usr/bin/cpp.
 305     NON_GNU_CPP=/usr/bin/cpp
 306     case "${canonical}" in
 307     alpha*-dec-osf[5-9]*)
 308       opsys=osf5-0 ;;
 309     esac
 310   ;;
 311
 312   alpha*-*-linux-gnu* )
 313     machine=alpha opsys=gnu-linux
 314   ;;
 315
 316   arm*-*-linux-gnu* )
 317     machine=arm opsys=gnu-linux
 318   ;;
 319
 320   ppc-*-linux | \
 321   powerpc-*-linux* )
 322     machine=macppc opsys=gnu-linux
 323   ;;
 324
 325   ## Altos 3068
 326   m68*-altos-sysv* )
 327     machine=altos opsys=usg5-2
 328   ;;
 329
 330   ## Amdahl UTS
 331   580-amdahl-sysv* )
 332     machine=amdahl opsys=usg5-2-2
 333   ;;
 334
 335   ## Apollo, Domain/OS
 336   m68*-apollo-* )
 337     machine=apollo opsys=bsd4-3
 338   ;;
 339
 340   ## AT&T 3b2, 3b5, 3b15, 3b20
 341   we32k-att-sysv* )
 342     machine=att3b opsys=usg5-2-2
 343   ;;
 344
 345   ## AT&T 3b1 - The Mighty Unix PC!
 346   m68*-att-sysv* )
 347     machine=7300 opsys=usg5-2-2
 348   ;;
 349
 350   ## Bull dpx20
 351   rs6000-bull-bosx* )
 352     machine=ibmrs6000 opsys=aix3-2
 353   ;;
 354
 355   ## Bull dpx2
 356   m68*-bull-sysv3* )
 357     machine=dpx2 opsys=usg5-3
 358   ;;
 359
 360   ## Bull sps7
 361   m68*-bull-sysv2* )
 362     machine=sps7 opsys=usg5-2
 363   ;;
 364
 365   ## CCI 5/32, 6/32 -- see "Tahoe".
 366
 367   ## Celerity
 368   ## I don't know what configuration name to use for this; config.sub
 369   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 370   ## in touch with us!
 371   celerity-celerity-bsd* )
 372     machine=celerity opsys=bsd4-2
 373   ;;
 374
 375   ## Clipper
 376   ## What operating systems does this chip run that Emacs has been
 377   ## tested on?
 378   clipper-* )
 379     machine=clipper
 380     ## We'll use the catch-all code at the bottom to guess the
 381     ## operating system.
 382   ;;
 383
 384   ## Compaq Nonstop
 385   mips-compaq-nonstopux* )
 386     machine=nonstopux opsys=nonstopux
 387     ;;
 388
 389   ## Convex
 390   *-convex-bsd* | *-convex-convexos* )
 391     machine=convex opsys=bsd4-3
 392     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 393     NON_GNU_CPP="cc -E -P"
 394   ;;
 395
 396   ## Cubix QBx/386
 397   i[3456]86-cubix-sysv* )
 398     machine=intel386 opsys=usg5-3
 399   ;;
 400
 401   ## Cydra 5
 402   cydra*-cydrome-sysv* )
 403     machine=cydra5 opsys=usg5-3
 404   ;;
 405
 406   ## Data General AViiON Machines
 407   ## DG changed naming conventions with the release of 5.4.4.10, they
 408   ## dropped the initial 5.4 but left the intervening R.  Because of the
 409   ## R this shouldn't conflict with older versions of the OS (which I
 410   ## think were named like dgux4.*). In addition, DG new AViiONs series
 411   ## uses either Motorola M88k or Intel Pentium CPUs.
 412   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 413     machine=aviion opsys=dgux4
 414   ;;
 415   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 416     ## This name is dgux5-4-3 instead of dgux5-4r3
 417     ## to avoid a file name conflict on MSDOS.
 418     machine=aviion opsys=dgux5-4-3
 419   ;;
 420   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 421     machine=aviion opsys=dgux5-4r2
 422   ;;
 423   m88k-dg-dgux* )
 424     machine=aviion opsys=dgux
 425   ;;
 426
 427   ## Data General AViiON Intel (x86) Machines
 428   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 429   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 430   i[345]86-dg-dguxR4* )
 431     machine=aviion-intel opsys=dgux4
 432   ;;
 433
 434   ## DECstations
 435   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 436     machine=pmax opsys=bsd4-2
 437   ;;
 438   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 439     machine=pmax opsys=bsd4-3
 440   ;;
 441   mips-dec-ultrix* )
 442     machine=pmax opsys=ultrix4-3
 443   ;;
 444   mips-dec-osf* )
 445     machine=pmax opsys=osf1
 446   ;;
 447   mips-dec-mach_bsd4.3* )
 448     machine=pmax opsys=mach-bsd4-3
 449   ;;
 450
 451   ## Motorola Delta machines
 452   m68k-motorola-sysv* | m68000-motorola-sysv* )
 453     machine=delta opsys=usg5-3
 454     if test -z "`type gnucc | grep 'not found'`"
 455     then
 456       if test -s /etc/167config
 457       then CC="gnucc -m68040"
 458       else CC="gnucc -m68881"
 459       fi
 460     else
 461       if test -z "`type gcc | grep 'not found'`"
 462       then CC=gcc
 463       else CC=cc
 464       fi
 465     fi
 466   ;;
 467   m88k-motorola-sysv4* )
 468     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 469     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 470     # I hope there are not other 4.0 versions for this machine
 471     # which really need usg5-4 instead.
 472     machine=delta88k opsys=usg5-4-2
 473   ;;
 474   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 475     machine=delta88k opsys=usg5-3
 476   ;;
 477
 478   ## Dual machines
 479   m68*-dual-sysv* )
 480     machine=dual opsys=usg5-2
 481   ;;
 482   m68*-dual-uniplus* )
 483     machine=dual opsys=unipl5-2
 484   ;;
 485
 486   ## Elxsi 6400
 487   elxsi-elxsi-sysv* )
 488     machine=elxsi opsys=usg5-2
 489   ;;
 490
 491   ## Encore machines
 492   ns16k-encore-bsd* )
 493     machine=ns16000 opsys=umax
 494   ;;
 495
 496   ## The GEC 63 - apparently, this port isn't really finished yet.
 497   #  I'm sure we finished off the last of the machines, though.  -- fx
 498
 499   ## Gould Power Node and NP1
 500   pn-gould-bsd4.2* )
 501     machine=gould opsys=bsd4-2
 502   ;;
 503   pn-gould-bsd4.3* )
 504     machine=gould opsys=bsd4-3
 505   ;;
 506   np1-gould-bsd* )
 507     machine=gould-np1 opsys=bsd4-3
 508   ;;
 509
 510   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 511   ## as far as Emacs is concerned).
 512   m88k-harris-cxux* )
 513     # Build needs to be different on 7.0 and later releases
 514     case "`uname -r`" in
 515        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 516        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 517     esac
 518     NON_GNU_CPP="/lib/cpp"
 519   ;;
 520   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 521   m68k-harris-cxux* )
 522     machine=nh3000 opsys=cxux
 523   ;;
 524   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 525   powerpc-harris-powerunix )
 526     machine=nh6000 opsys=powerunix
 527     NON_GNU_CPP="cc -Xo -E -P"
 528   ;;
 529   ## SR2001/SR2201 running HI-UX/MPP
 530   hppa1.1-hitachi-hiuxmpp* )
 531     machine=sr2k opsys=hiuxmpp
 532   ;;
 533   hppa1.1-hitachi-hiuxwe2* )
 534     machine=sr2k opsys=hiuxwe2
 535   ;;
 536   ## Honeywell XPS100
 537   xps*-honeywell-sysv* )
 538     machine=xps100 opsys=usg5-2
 539   ;;
 540
 541   ## HP 9000 series 200 or 300
 542   m68*-hp-bsd* )
 543     machine=hp9000s300 opsys=bsd4-3
 544   ;;
 545   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 546   m68*-hp-hpux* )
 547     case "`uname -r`" in
 548       ## Someone's system reports A.B8.05 for this.
 549       ## I wonder what other possibilities there are.
 550       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 551       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 552       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 553       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 554       *) machine=hp9000s300 opsys=hpux ;;
 555     esac
 556   ;;
 557
 558   ## HP 9000 series 700 and 800, running HP/UX
 559   hppa*-hp-hpux7* )
 560     machine=hp800 opsys=hpux
 561   ;;
 562   hppa*-hp-hpux8* )
 563     machine=hp800 opsys=hpux8
 564   ;;
 565   hppa*-hp-hpux9shr* )
 566     machine=hp800 opsys=hpux9shr
 567   ;;
 568   hppa*-hp-hpux9* )
 569     machine=hp800 opsys=hpux9
 570   ;;
 571   hppa*-hp-hpux10* )
 572     machine=hp800 opsys=hpux10
 573   ;;
 574   hppa*-hp-hpux1[1-9]* )
 575     machine=hp800 opsys=hpux11
 576   ;;
 577
 578   hppa*-*-linux-gnu* )
 579     machine=hp800 opsys=gnu-linux
 580   ;;
 581
 582   ## HP 9000 series 700 and 800, running HP/UX
 583   hppa*-hp-hpux* )
 584     ## Cross-compilation?  Nah!
 585     case "`uname -r`" in
 586       ## Someone's system reports A.B8.05 for this.
 587       ## I wonder what other possibilities there are.
 588       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 589       *.08.* ) machine=hp800 opsys=hpux8 ;;
 590       *.09.* ) machine=hp800 opsys=hpux9 ;;
 591       *) machine=hp800 opsys=hpux10 ;;
 592     esac
 593   ;;
 594   hppa*-*-nextstep* )
 595     machine=hp800 opsys=nextstep
 596   ;;
 597
 598   ## Orion machines
 599   orion-orion-bsd* )
 600     machine=orion opsys=bsd4-2
 601   ;;
 602   clipper-orion-bsd* )
 603     machine=orion105 opsys=bsd4-2
 604   ;;
 605
 606   ## IBM machines
 607   i[3456]86-ibm-aix1.1* )
 608     machine=ibmps2-aix opsys=usg5-2-2
 609   ;;
 610   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 611     machine=ibmps2-aix opsys=usg5-3
 612   ;;
 613   i370-ibm-aix*)
 614     machine=ibm370aix opsys=usg5-3
 615   ;;
 616   s390-*-linux-gnu)
 617     machine=ibms390 opsys=gnu-linux
 618   ;;
 619   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 620     machine=ibmrs6000 opsys=aix3-1
 621   ;;
 622   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 623     machine=ibmrs6000 opsys=aix3-2-5
 624   ;;
 625   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 626     machine=ibmrs6000 opsys=aix4-1
 627   ;;
 628   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 629     machine=ibmrs6000 opsys=aix4-2
 630   ;;
 631   rs6000-ibm-aix5.1* | powerpc-ibm-aix5.1*  )
 632     machine=ibmrs6000 opsys=aix4-2
 633   ;;
 634   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 635     machine=ibmrs6000 opsys=aix4
 636   ;;
 637   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 638     machine=ibmrs6000 opsys=aix4-1
 639   ;;
 640   rs6000-ibm-aix* | powerpc-ibm-aix* )
 641     machine=ibmrs6000 opsys=aix3-2
 642   ;;
 643   romp-ibm-bsd4.3* )
 644     machine=ibmrt opsys=bsd4-3
 645   ;;
 646   romp-ibm-bsd4.2* )
 647     machine=ibmrt opsys=bsd4-2
 648   ;;
 649   romp-ibm-aos4.3* )
 650     machine=ibmrt opsys=bsd4-3
 651   ;;
 652   romp-ibm-aos4.2* )
 653     machine=ibmrt opsys=bsd4-2
 654   ;;
 655   romp-ibm-aos* )
 656     machine=ibmrt opsys=bsd4-3
 657   ;;
 658   romp-ibm-bsd* )
 659     machine=ibmrt opsys=bsd4-3
 660   ;;
 661   romp-ibm-aix* )
 662     machine=ibmrt-aix opsys=usg5-2-2
 663   ;;
 664
 665   ## Integrated Solutions `Optimum V'
 666   m68*-isi-bsd4.2* )
 667     machine=isi-ov opsys=bsd4-2
 668   ;;
 669   m68*-isi-bsd4.3* )
 670     machine=isi-ov opsys=bsd4-3
 671   ;;
 672
 673   ## Intel 386 machines where we do care about the manufacturer
 674   i[3456]86-intsys-sysv* )
 675     machine=is386 opsys=usg5-2-2
 676   ;;
 677
 678   ## Prime EXL
 679   i[3456]86-prime-sysv* )
 680     machine=i386 opsys=usg5-3
 681   ;;
 682
 683   ## Sequent Symmetry running Dynix
 684   i[3456]86-sequent-bsd* )
 685     machine=symmetry opsys=bsd4-3
 686   ;;
 687
 688   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 689   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 690     machine=sequent-ptx opsys=ptx4
 691     NON_GNU_CPP=/lib/cpp
 692   ;;
 693
 694   ## Sequent Symmetry running DYNIX/ptx
 695   ## Use the old cpp rather than the newer ANSI one.
 696   i[3456]86-sequent-ptx* )
 697     machine=sequent-ptx opsys=ptx
 698     NON_GNU_CPP="/lib/cpp"
 699   ;;
 700
 701   ## ncr machine running svr4.3.
 702   i[3456]86-ncr-sysv4.3 )
 703     machine=ncr386 opsys=usg5-4-3
 704   ;;
 705
 706   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 707   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 708   i[3456]86-ncr-sysv* )
 709     machine=ncr386 opsys=usg5-4-2
 710   ;;
 711
 712   ## Intel Paragon OSF/1
 713   i860-intel-osf1* )
 714     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 715   ;;
 716
 717   ## Intel 860
 718   i860-*-sysv4* )
 719     machine=i860 opsys=usg5-4
 720     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 721     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 722   ;;
 723
 724   ## Macintosh PowerPC
 725   powerpc*-*-linux-gnu* )
 726     machine=macppc opsys=gnu-linux
 727   ;;
 728
 729   ## Masscomp machines
 730   m68*-masscomp-rtu* )
 731     machine=masscomp opsys=rtu
 732   ;;
 733
 734   ## Megatest machines
 735   m68*-megatest-bsd* )
 736     machine=mega68 opsys=bsd4-2
 737   ;;
 738
 739   ## Workstations sold by MIPS
 740   ## This is not necessarily all workstations using the MIPS processor -
 741   ## Irises are produced by SGI, and DECstations by DEC.
 742
 743   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 744   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 745   ## it gives for choosing between the alternatives seems to be "Use
 746   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 747   ## the BSD world."  I'll assume that these are instructions for
 748   ## handling two odd situations, and that every other situation
 749   ## should use mips.h and usg5-2-2, they being listed first.
 750   mips-mips-usg* )
 751     machine=mips4
 752     ## Fall through to the general code at the bottom to decide on the OS.
 753   ;;
 754   mips-mips-riscos4* )
 755     machine=mips4 opsys=bsd4-3
 756     NON_GNU_CC="cc -systype bsd43"
 757     NON_GNU_CPP="cc -systype bsd43 -E"
 758   ;;
 759   mips-mips-riscos5* )
 760     machine=mips4 opsys=riscos5
 761     NON_GNU_CC="cc -systype bsd43"
 762     NON_GNU_CPP="cc -systype bsd43 -E"
 763   ;;
 764   mips-mips-bsd* )
 765     machine=mips opsys=bsd4-3
 766   ;;
 767   mips-mips-* )
 768     machine=mips opsys=usg5-2-2
 769   ;;
 770
 771   ## NeXT
 772   m68*-next-* | m68k-*-nextstep* )
 773     machine=m68k opsys=nextstep
 774   ;;
 775
 776   ## The complete machine from National Semiconductor
 777   ns32k-ns-genix* )
 778     machine=ns32000 opsys=usg5-2
 779   ;;
 780
 781   ## NCR machines
 782   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 783     machine=tower32 opsys=usg5-2-2
 784   ;;
 785   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 786     machine=tower32v3 opsys=usg5-3
 787   ;;
 788
 789   ## NEC EWS4800
 790   mips-nec-sysv4*)
 791   machine=ews4800 opsys=ux4800
 792   ;;
 793
 794   ## Nixdorf Targon 31
 795   m68*-nixdorf-sysv* )
 796     machine=targon31 opsys=usg5-2-2
 797   ;;
 798
 799   ## Nu (TI or LMI)
 800   m68*-nu-sysv* )
 801     machine=nu opsys=usg5-2
 802   ;;
 803
 804   ## Plexus
 805   m68*-plexus-sysv* )
 806     machine=plexus opsys=usg5-2
 807   ;;
 808
 809   ## PowerPC reference platform
 810   powerpcle-*-solaris2* )
 811     machine=prep
 812     opsys=sol2-5
 813   ;;
 814
 815   ## Pyramid machines
 816   ## I don't really have any idea what sort of processor the Pyramid has,
 817   ## so I'm assuming it is its own architecture.
 818   pyramid-pyramid-bsd* )
 819     machine=pyramid opsys=bsd4-2
 820   ;;
 821
 822   ## Sequent Balance
 823   ns32k-sequent-bsd4.2* )
 824     machine=sequent opsys=bsd4-2
 825   ;;
 826   ns32k-sequent-bsd4.3* )
 827     machine=sequent opsys=bsd4-3
 828   ;;
 829
 830   ## Siemens Nixdorf
 831   mips-siemens-sysv* | mips-sni-sysv*)
 832     machine=mips-siemens opsys=usg5-4
 833     NON_GNU_CC=/usr/ccs/bin/cc
 834     NON_GNU_CPP=/usr/ccs/lib/cpp
 835   ;;
 836
 837   ## Silicon Graphics machines
 838   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 839   m68*-sgi-iris3.5* )
 840     machine=irist opsys=iris3-5
 841   ;;
 842   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 843     machine=irist opsys=iris3-6
 844   ;;
 845   ## Iris 4D
 846   mips-sgi-irix3* )
 847     machine=iris4d opsys=irix3-3
 848   ;;
 849   mips-sgi-irix4* )
 850     machine=iris4d opsys=irix4-0
 851   ;;
 852   mips-sgi-irix6.5 )
 853     machine=iris4d opsys=irix6-5
 854     # Without defining _LANGUAGE_C, things get masked out in the headers
 855     # so that, for instance, grepping for `free' in stdlib.h fails and
 856     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 857     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 858     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 859   ;;
 860   mips-sgi-irix6* )
 861     machine=iris4d opsys=irix6-0
 862     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 863     # but presumably it does no harm.
 864     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 865     # -32 probably isn't necessary in later v.6s -- anyone know which?
 866     NON_GCC_TEST_OPTIONS=-32
 867   ;;
 868   mips-sgi-irix5.[01]* )
 869     machine=iris4d opsys=irix5-0
 870   ;;
 871   mips-sgi-irix5* | mips-sgi-irix* )
 872     machine=iris4d opsys=irix5-2
 873   ;;
 874
 875   ## SONY machines
 876   m68*-sony-bsd4.2* )
 877     machine=news opsys=bsd4-2
 878   ;;
 879   m68*-sony-bsd4.3* )
 880     machine=news opsys=bsd4-3
 881   ;;
 882   m68*-sony-newsos3* | m68*-sony-news3*)
 883     machine=news opsys=bsd4-3
 884   ;;
 885   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 886     machine=news-risc opsys=bsd4-3
 887   ;;
 888   mips-sony-newsos6* )
 889     machine=news-r6 opsys=newsos6
 890   ;;
 891   mips-sony-news* )
 892     machine=news-risc opsys=newsos5
 893   ;;
 894
 895   ## Stride
 896   m68*-stride-sysv* )
 897     machine=stride opsys=usg5-2
 898   ;;
 899
 900   ## Suns
 901   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 902     machine=sparc opsys=gnu-linux
 903   ;;
 904
 905   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 906     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 907     | rs6000-*-solaris2*)
 908     case "${canonical}" in
 909       m68*-sunos1* )    machine=sun1 ;;
 910       m68*-sunos2* )    machine=sun2 ;;
 911       m68* )            machine=sun3 ;;
 912       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 913       i[3456]86-*-* )     machine=intel386 ;;
 914       powerpcle* )      machine=powerpcle ;;
 915       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 916       sparc* )          machine=sparc ;;
 917       * )               unported=yes ;;
 918     esac
 919     case "${canonical}" in
 920       ## The Sun386 didn't get past 4.0.
 921       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 922       *-sunos4.0*         ) opsys=sunos4-0 ;;
 923       *-sunos4.1.[3-9]*noshare )
 924                 ## This name is sunos413 instead of sunos4-1-3
 925                 ## to avoid a file name conflict on MSDOS.
 926                 opsys=sunos413
 927                 NON_GNU_CPP=/usr/lib/cpp
 928                 NON_GCC_TEST_OPTIONS=-Bstatic
 929                 GCC_TEST_OPTIONS=-static
 930                 ;;
 931       *-sunos4.1.[3-9]* | *-sunos4shr*)
 932                 opsys=sunos4shr
 933                 NON_GNU_CPP=/usr/lib/cpp
 934                 ;;
 935       *-sunos4* | *-sunos )
 936                 opsys=sunos4-1
 937                 NON_GCC_TEST_OPTIONS=-Bstatic
 938                 GCC_TEST_OPTIONS=-static
 939                 ;;
 940       *-sunos5.3* | *-solaris2.3* )
 941                 opsys=sol2-3
 942                 NON_GNU_CPP=/usr/ccs/lib/cpp
 943                 ;;
 944       *-sunos5.4* | *-solaris2.4* )
 945                 opsys=sol2-4
 946                 NON_GNU_CPP=/usr/ccs/lib/cpp
 947                 RANLIB="ar -ts"
 948                 ;;
 949       *-sunos5.5* | *-solaris2.5* )
 950                 opsys=sol2-5
 951                 NON_GNU_CPP=/usr/ccs/lib/cpp
 952                 RANLIB="ar -ts"
 953                 ;;
 954       *-sunos5* | *-solaris* )
 955                 opsys=sol2-5
 956                 NON_GNU_CPP=/usr/ccs/lib/cpp
 957                 ;;
 958       *                   ) opsys=bsd4-2   ;;
 959     esac
 960     ## Watch out for a compiler that we know will not work.
 961     case "${canonical}" in
 962      *-solaris* | *-sunos5* )
 963                 if [ "x$CC" = x/usr/ucb/cc ]; then
 964                   ## /usr/ucb/cc doesn't work;
 965                   ## we should find some other compiler that does work.
 966                   unset CC
 967                 fi
 968                 ;;
 969       *) ;;
 970     esac
 971   ;;
 972   sparc-*-nextstep* )
 973     machine=sparc opsys=nextstep
 974   ;;
 975
 976   ## Tadpole 68k
 977   m68*-tadpole-sysv* )
 978     machine=tad68k opsys=usg5-3
 979   ;;
 980
 981   ## Tahoe machines
 982   tahoe-tahoe-bsd4.2* )
 983     machine=tahoe opsys=bsd4-2
 984   ;;
 985   tahoe-tahoe-bsd4.3* )
 986     machine=tahoe opsys=bsd4-3
 987   ;;
 988
 989   ## Tandem Integrity S2
 990   mips-tandem-sysv* )
 991     machine=tandem-s2 opsys=usg5-3
 992   ;;
 993
 994   ## Tektronix XD88
 995   m88k-tektronix-sysv3* )
 996   machine=tekxd88 opsys=usg5-3
 997   ;;
 998
 999   ## Tektronix 16000 box (6130?)
1000   ns16k-tektronix-bsd* )
1001     machine=ns16000 opsys=bsd4-2
1002   ;;
1003   ## Tektronix 4300
1004   ## src/m/tek4300.h hints that this is a m68k machine.
1005   m68*-tektronix-bsd* )
1006     machine=tek4300 opsys=bsd4-3
1007   ;;
1008
1009   ## Titan P2 or P3
1010   ## We seem to have lost the machine-description file titan.h!
1011   titan-titan-sysv* )
1012     machine=titan opsys=usg5-3
1013   ;;
1014
1015   ## Ustation E30 (SS5E)
1016   m68*-unisys-uniplus* )
1017     machine=ustation opsystem=unipl5-2
1018   ;;
1019
1020   ## Vaxen.
1021   vax-dec-* )
1022     machine=vax
1023     case "${canonical}" in
1024       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1025       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1026       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1027       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1028       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1029       *-vms* )                                          opsys=vms ;;
1030       * )                                               unported=yes
1031     esac
1032   ;;
1033
1034   ## Whitechapel MG1
1035   ns16k-whitechapel-* )
1036     machine=mg1
1037     ## We don't know what sort of OS runs on these; we'll let the
1038     ## operating system guessing code below try.
1039   ;;
1040
1041   ## Wicat
1042   m68*-wicat-sysv* )
1043     machine=wicat opsys=usg5-2
1044   ;;
1045
1046   ## IA-64
1047   ia64*-*-linux* )
1048     machine=ia64 opsys=gnu-linux
1049   ;;
1050
1051   ## Intel 386 machines where we don't care about the manufacturer
1052   i[3456]86-*-* )
1053     machine=intel386
1054     case "${canonical}" in
1055       *-lynxos* )               opsys=lynxos ;;
1056       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1057       *-isc2.2* )               opsys=isc2-2 ;;
1058       *-isc4.0* )               opsys=isc4-0 ;;
1059       *-isc4.* )                opsys=isc4-1
1060                                 GCC_TEST_OPTIONS=-posix
1061                                 NON_GCC_TEST_OPTIONS=-Xp
1062                                 ;;
1063       *-isc* )                  opsys=isc3-0 ;;
1064       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1065       *-esix* )                 opsys=esix ;;
1066       *-xenix* )                opsys=xenix ;;
1067       *-linux-gnu* )            opsys=gnu-linux ;;
1068       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1069       *-sco3.2v5* )             opsys=sco5
1070                                 NON_GNU_CPP=/lib/cpp
1071                                 # Prevent -belf from being passed to $CPP.
1072                                 # /lib/cpp does not accept it.
1073                                 OVERRIDE_CPPFLAGS=" "
1074                                 ;;
1075       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1076       *-386bsd* )               opsys=386bsd ;;
1077       *-nextstep* )             opsys=nextstep ;;
1078       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1079     esac
1080   ;;
1081
1082   ## m68k Linux-based GNU system
1083   m68k-*-linux-gnu* )
1084     machine=m68k opsys=gnu-linux
1085   ;;
1086
1087   ## Mips Linux-based GNU system
1088   mips-*-linux-gnu* )
1089     machine=mips opsys=gnu-linux
1090   ;;
1091
1092   ## UXP/DS
1093   sparc-fujitsu-sysv4* )
1094     machine=sparc opsys=uxpds
1095     NON_GNU_CPP=/usr/ccs/lib/cpp
1096     RANLIB="ar -ts"
1097   ;;
1098
1099   ## UXP/V
1100   f301-fujitsu-uxpv4.1)
1101     machine=f301 opsys=uxpv
1102   ;;
1103
1104   * )
1105     unported=yes
1106   ;;
1107 esac
1108
1109 ### If the code above didn't choose an operating system, just choose
1110 ### an operating system based on the configuration name.  You really
1111 ### only want to use this when you have no idea what the right
1112 ### operating system is; if you know what operating systems a machine
1113 ### runs, it's cleaner to make it explicit in the case statement
1114 ### above.
1115 if test x"${opsys}" = x; then
1116   case "${canonical}" in
1117     *-gnu* )                            opsys=gnu ;;
1118     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1119     *-bsd4.2 )                          opsys=bsd4-2 ;;
1120     *-bsd4.3 )                          opsys=bsd4-3 ;;
1121     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1122     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1123     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1124     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1125     *-sysv4.2uw* )                      opsys=unixware ;;
1126     *-sysv4.1* | *-sysvr4.1* )
1127         NON_GNU_CPP=/usr/lib/cpp
1128         opsys=usg5-4 ;;
1129     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1130         if [ x$NON_GNU_CPP = x ]; then
1131           if [ -f /usr/ccs/lib/cpp ]; then
1132             NON_GNU_CPP=/usr/ccs/lib/cpp
1133           else
1134             NON_GNU_CPP=/lib/cpp
1135           fi
1136         fi
1137         opsys=usg5-4-2 ;;
1138     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1139     * )
1140       unported=yes
1141     ;;
1142   esac
1143 fi
1144
1145 changequote([, ])dnl
1146
1147 if test $unported = yes; then
1148   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1149 Check \`etc/MACHINES' for recognized configuration names.])
1150 fi
1151
1152 machfile="m/${machine}.h"
1153 opsysfile="s/${opsys}.h"
1154
1155
1156 #### Choose a compiler.
1157 test -n "$CC" && cc_specified=yes
1158
1159 # Save the value of CFLAGS that the user specified.
1160 SPECIFIED_CFLAGS="$CFLAGS"
1161
1162 case ${with_gcc} in
1163   "yes" ) CC="gcc" GCC=yes ;;
1164   "no"  ) : ${CC=cc} ;;
1165   * )
1166 esac
1167 AC_PROG_CC
1168
1169 # On Suns, sometimes $CPP names a directory.
1170 if test -n "$CPP" && test -d "$CPP"; then
1171   CPP=
1172 fi
1173
1174 #### Some systems specify a CPP to use unless we are using GCC.
1175 #### Now that we know whether we are using GCC, we can decide whether
1176 #### to use that one.
1177 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1178 then
1179   CPP="$NON_GNU_CPP"
1180 fi
1181
1182 #### Some systems specify a CC to use unless we are using GCC.
1183 #### Now that we know whether we are using GCC, we can decide whether
1184 #### to use that one.
1185 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1186   test x$cc_specified != xyes
1187 then
1188   CC="$NON_GNU_CC"
1189 fi
1190
1191 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1192 then
1193   CC="$CC $GCC_TEST_OPTIONS"
1194 fi
1195
1196 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1197 then
1198   CC="$CC $NON_GCC_TEST_OPTIONS"
1199 fi
1200
1201 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1202 then
1203   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1204 fi
1205
1206 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1207 then
1208   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1209 fi
1210
1211 #### Some other nice autoconf tests.  If you add a test here which
1212 #### should make an entry in src/config.h, don't forget to add an
1213 #### #undef clause to src/config.h.in for autoconf to modify.
1214
1215 dnl checks for programs
1216 AC_PROG_LN_S
1217 AC_PROG_CPP
1218 AC_PROG_INSTALL
1219 AC_PROG_YACC
1220 if test "x$RANLIB" = x; then
1221   AC_PROG_RANLIB
1222 fi
1223
1224 dnl checks for Unix variants
1225 AC_AIX
1226
1227 #### Extract some information from the operating system and machine files.
1228
1229 AC_CHECKING([the machine- and system-dependent files to find out
1230  - which libraries the lib-src programs will want, and
1231  - whether the GNU malloc routines are usable])
1232
1233 ### First figure out CFLAGS (which we use for running the compiler here)
1234 ### and REAL_CFLAGS (which we use for real compilation).
1235 ### The two are the same except on a few systems, where they are made
1236 ### different to work around various lossages.  For example,
1237 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1238 ### as implying static linking.
1239
1240 ### If the CFLAGS env var is specified, we use that value
1241 ### instead of the default.
1242
1243 ### It's not important that this name contain the PID; you can't run
1244 ### two configures in the same directory and have anything work
1245 ### anyway.
1246 tempcname="conftest.c"
1247
1248 echo '
1249 #include "'${srcdir}'/src/'${opsysfile}'"
1250 #include "'${srcdir}'/src/'${machfile}'"
1251 #ifndef LIBS_MACHINE
1252 #define LIBS_MACHINE
1253 #endif
1254 #ifndef LIBS_SYSTEM
1255 #define LIBS_SYSTEM
1256 #endif
1257 #ifndef C_SWITCH_SYSTEM
1258 #define C_SWITCH_SYSTEM
1259 #endif
1260 #ifndef C_SWITCH_MACHINE
1261 #define C_SWITCH_MACHINE
1262 #endif
1263 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1264 configure___ c_switch_system=C_SWITCH_SYSTEM
1265 configure___ c_switch_machine=C_SWITCH_MACHINE
1266
1267 #ifndef LIB_X11_LIB
1268 #define LIB_X11_LIB -lX11
1269 #endif
1270
1271 #ifndef LIBX11_MACHINE
1272 #define LIBX11_MACHINE
1273 #endif
1274
1275 #ifndef LIBX11_SYSTEM
1276 #define LIBX11_SYSTEM
1277 #endif
1278 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1279
1280 #ifdef UNEXEC
1281 configure___ unexec=UNEXEC
1282 #else
1283 configure___ unexec=unexec.o
1284 #endif
1285
1286 #ifdef SYSTEM_MALLOC
1287 configure___ system_malloc=yes
1288 #else
1289 configure___ system_malloc=no
1290 #endif
1291
1292 #ifdef USE_MMAP_FOR_BUFFERS
1293 configure___ use_mmap_for_buffers=yes
1294 #else
1295 configure___ use_mmap_for_buffers=no
1296 #endif
1297
1298 #ifndef C_DEBUG_SWITCH
1299 #define C_DEBUG_SWITCH -g
1300 #endif
1301
1302 #ifndef C_OPTIMIZE_SWITCH
1303 #ifdef __GNUC__
1304 #define C_OPTIMIZE_SWITCH -O2
1305 #else
1306 #define C_OPTIMIZE_SWITCH -O
1307 #endif
1308 #endif
1309
1310 #ifndef LD_SWITCH_MACHINE
1311 #define LD_SWITCH_MACHINE
1312 #endif
1313
1314 #ifndef LD_SWITCH_SYSTEM
1315 #define LD_SWITCH_SYSTEM
1316 #endif
1317
1318 #ifndef LD_SWITCH_X_SITE_AUX
1319 #define LD_SWITCH_X_SITE_AUX
1320 #endif
1321
1322 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1323 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1324
1325 #ifdef THIS_IS_CONFIGURE
1326
1327 /* Get the CFLAGS for tests in configure.  */
1328 #ifdef __GNUC__
1329 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1330 #else
1331 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1332 #endif
1333
1334 #else /* not THIS_IS_CONFIGURE */
1335
1336 /* Get the CFLAGS for real compilation.  */
1337 #ifdef __GNUC__
1338 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1339 #else
1340 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1341 #endif
1342
1343 #endif /* not THIS_IS_CONFIGURE */
1344 ' > ${tempcname}
1345
1346 # The value of CPP is a quoted variable reference, so we need to do this
1347 # to get its actual value...
1348 CPP=`eval "echo $CPP"`
1349 changequote(, )dnl
1350 eval `${CPP} -Isrc ${tempcname} \
1351        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1352 if test "x$SPECIFIED_CFLAGS" = x; then
1353   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1354          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1355 else
1356   REAL_CFLAGS="$CFLAGS"
1357 fi
1358 changequote([, ])dnl
1359 rm ${tempcname}
1360
1361 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1362
1363 ### Make sure subsequent tests use flags consistent with the build flags.
1364
1365 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1366   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1367 else
1368   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1369 fi
1370
1371 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1372 AC_SYS_LARGEFILE
1373
1374 if test "${with_sound}" != "no"; then
1375   # Sound support for GNU/Linux and the free BSDs.
1376   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1377   # Emulation library used on NetBSD.
1378   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1379   AC_SUBST(LIBSOUND)
1380 fi
1381
1382 dnl checks for header files
1383 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1384   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1385   termcap.h stdio_ext.h fcntl.h term.h strings.h coff.h)
1386 AC_HEADER_STDC
1387 AC_HEADER_TIME
1388 AC_DECL_SYS_SIGLIST
1389 AC_HEADER_SYS_WAIT
1390
1391 dnl Some systems have utime.h but don't declare the struct anyplace.
1392 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1393 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1394 #include <sys/time.h>
1395 #include <time.h>
1396 #else
1397 #ifdef HAVE_SYS_TIME_H
1398 #include <sys/time.h>
1399 #else
1400 #include <time.h>
1401 #endif
1402 #endif
1403 #ifdef HAVE_UTIME_H
1404 #include <utime.h>
1405 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1406   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1407 if test $emacs_cv_struct_utimbuf = yes; then
1408   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1409 fi
1410
1411 dnl checks for typedefs
1412 AC_TYPE_SIGNAL
1413
1414 dnl Check for speed_t typedef.
1415 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1416 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1417   emacs_cv_speed_t=yes, emacs_cv_speed_t=no))
1418 if test $emacs_cv_speed_t = yes; then
1419   AC_DEFINE(HAVE_SPEED_T)
1420 fi
1421
1422 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1423 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1424 #include <sys/time.h>
1425 #include <time.h>
1426 #else
1427 #ifdef HAVE_SYS_TIME_H
1428 #include <sys/time.h>
1429 #else
1430 #include <time.h>
1431 #endif
1432 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1433   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1434 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1435 if test $emacs_cv_struct_timeval = yes; then
1436   AC_DEFINE(HAVE_TIMEVAL)
1437 fi
1438
1439 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1440 AC_TRY_COMPILE([#include <math.h>],
1441 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1442   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1443 HAVE_EXCEPTION=$emacs_cv_struct_exception
1444 if test $emacs_cv_struct_exception != yes; then
1445   AC_DEFINE(NO_MATHERR)
1446 fi
1447
1448 dnl checks for structure members
1449 AC_STRUCT_TM
1450 AC_STRUCT_TIMEZONE
1451 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1452 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1453   emacs_cv_tm_gmtoff=yes,
1454   emacs_cv_tm_gmtoff=no))
1455 if test $emacs_cv_tm_gmtoff = yes; then
1456   AC_DEFINE(HAVE_TM_GMTOFF)
1457 fi
1458
1459 dnl checks for compiler characteristics
1460
1461 dnl Testing __STDC__ to determine prototype support isn't good enough.
1462 dnl DEC C, for instance, doesn't define it with default options, and
1463 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1464 dnl and void *.
1465 AC_C_PROTOTYPES
1466 AC_C_VOLATILE
1467 AC_C_CONST
1468 dnl This isn't useful because we can't turn on use of `inline' unless
1469 dnl the compiler groks `extern inline'.
1470 dnl AC_C_INLINE
1471 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1472   [AC_TRY_COMPILE(, [void * foo;],
1473                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1474 if test $emacs_cv_void_star = yes; then
1475   AC_DEFINE(POINTER_TYPE, void)
1476 else
1477   AC_DEFINE(POINTER_TYPE, char)
1478 fi
1479
1480 dnl check for Make feature
1481 AC_PROG_MAKE_SET
1482
1483 dnl checks for operating system services
1484 AC_SYS_LONG_FILE_NAMES
1485
1486 if test "$gamedir" = no; then :
1487 else
1488   AC_MSG_CHECKING([for access to game group "$gameuser"])
1489   rm -f conf$$chown.file
1490   touch conf$$chown.file
1491   dnl If we can't chown a file to group games, then the users
1492   dnl can't share scores.
1493   if chown "$gameuser" conf$$chown.file 1>/dev/null 2>&1; then
1494     AC_MSG_RESULT([yes])
1495     if test "$gamedir" = "yes"; then
1496       gamedir="${localstatedir}/games/emacs"
1497     fi
1498     tgamedir=`eval "echo $gamedir"`
1499     AC_DEFINE_UNQUOTED(HAVE_SHARED_GAME_DIR, "$tgamedir")
1500   else
1501     AC_MSG_RESULT([no])
1502     gamedir=no
1503   fi
1504 fi
1505 #### Choose a window system.
1506
1507 AC_PATH_X
1508 if test "$no_x" = yes; then
1509   window_system=none
1510 else
1511   window_system=x11
1512 fi
1513
1514 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1515   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1516   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1517   x_default_search_path=""
1518   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1519     x_search_path="\
1520 ${x_library}/X11/%L/%T/%N%C%S:\
1521 ${x_library}/X11/%l/%T/%N%C%S:\
1522 ${x_library}/X11/%T/%N%C%S:\
1523 ${x_library}/X11/%L/%T/%N%S:\
1524 ${x_library}/X11/%l/%T/%N%S:\
1525 ${x_library}/X11/%T/%N%S"
1526     if test x"${x_default_search_path}" = x; then
1527       x_default_search_path=${x_search_path}
1528     else
1529       x_default_search_path="${x_search_path}:${x_default_search_path}"
1530     fi
1531   done
1532 fi
1533 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1534   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1535 fi
1536
1537 if test x"${x_includes}" = x; then
1538   bitmapdir=/usr/include/X11/bitmaps
1539 else
1540   # accumulate include directories that have X11 bitmap subdirectories
1541   bmd_acc="dummyval"
1542   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1543     if test -d "${bmd}/X11/bitmaps"; then
1544       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1545     fi
1546     if test -d "${bmd}/bitmaps"; then
1547       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1548     fi
1549   done
1550   if test ${bmd_acc} != "dummyval"; then
1551     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1552   fi
1553 fi
1554
1555 case "${window_system}" in
1556   x11 )
1557     HAVE_X_WINDOWS=yes
1558     HAVE_X11=yes
1559     case "${with_x_toolkit}" in
1560       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1561       motif ) USE_X_TOOLKIT=MOTIF ;;
1562 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1563       no ) USE_X_TOOLKIT=none ;;
1564 dnl If user did not say whether to use a toolkit,
1565 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1566       * ) USE_X_TOOLKIT=maybe ;;
1567     esac
1568   ;;
1569   none )
1570     HAVE_X_WINDOWS=no
1571     HAVE_X11=no
1572     USE_X_TOOLKIT=none
1573   ;;
1574 esac
1575
1576 ### If we're using X11, we should use the X menu package.
1577 HAVE_MENUS=no
1578 case ${HAVE_X11} in
1579   yes ) HAVE_MENUS=yes ;;
1580 esac
1581
1582 if test "${opsys}" = "hpux9"; then
1583   case "${x_libraries}" in
1584     *X11R4* )
1585       opsysfile="s/hpux9-x11r4.h"
1586       ;;
1587   esac
1588 fi
1589
1590 if test "${opsys}" = "hpux9shr"; then
1591   case "${x_libraries}" in
1592     *X11R4* )
1593       opsysfile="s/hpux9shxr4.h"
1594       ;;
1595   esac
1596 fi
1597
1598 ### Compute the unexec source name from the object name.
1599 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1600
1601 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1602 # Assume not, until told otherwise.
1603 GNU_MALLOC=yes
1604 doug_lea_malloc=yes
1605 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1606 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1607 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1608                emacs_cv_var___after_morecore_hook,
1609 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1610   emacs_cv_var___after_morecore_hook=yes,
1611   emacs_cv_var___after_morecore_hook=no)])
1612 if test $emacs_cv_var___after_morecore_hook = no; then
1613   doug_lea_malloc=no
1614 fi
1615 if test "${system_malloc}" = "yes"; then
1616   GNU_MALLOC=no
1617   GNU_MALLOC_reason="
1618     (The GNU allocators don't work with this system configuration.)"
1619 fi
1620 if test "$doug_lea_malloc" = "yes" ; then
1621   if test "$GNU_MALLOC" = yes ; then
1622     GNU_MALLOC_reason="
1623       (Using Doug Lea's new malloc from the GNU C Library.)"
1624   fi
1625   AC_DEFINE(DOUG_LEA_MALLOC)
1626 fi
1627
1628 if test x"${REL_ALLOC}" = x; then
1629   REL_ALLOC=${GNU_MALLOC}
1630 fi
1631
1632 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1633 dnl the system configuration file (s/*.h) to turn the use of mmap
1634 dnl in the relocating allocator on.
1635
1636 AC_FUNC_MMAP
1637 if test $use_mmap_for_buffers = yes; then
1638   REL_ALLOC=no
1639 fi
1640
1641 LIBS="$libsrc_libs $LIBS"
1642
1643 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1644 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1645 AC_CHECK_LIB(dnet, dnet_ntoa)
1646 dnl This causes -lresolv to get used in subsequent tests,
1647 dnl which causes failures on some systems such as HPUX 9.
1648 dnl AC_CHECK_LIB(resolv, gethostbyname)
1649
1650 dnl FIXME replace main with a function we actually want from this library.
1651 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1652
1653 AC_CHECK_LIB(pthreads, cma_open)
1654
1655 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1656 if test -d /usr/X386/include; then
1657   HAVE_XFREE386=yes
1658   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1659 else
1660   HAVE_XFREE386=no
1661 fi
1662 AC_MSG_RESULT($HAVE_XFREE386)
1663
1664 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1665 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1666
1667 REAL_CPPFLAGS="$CPPFLAGS"
1668
1669 if test "${HAVE_X11}" = "yes"; then
1670   DEFS="$C_SWITCH_X_SITE $DEFS"
1671   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1672   LIBS="$LIBX $LIBS"
1673   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1674   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1675
1676   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1677   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1678   # but it's more convenient here to set LD_RUN_PATH
1679   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1680   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1681     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1682     export LD_RUN_PATH
1683   fi
1684
1685   if test "${opsys}" = "gnu-linux"; then
1686     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1687     AC_TRY_LINK([],
1688      [XOpenDisplay ("foo");],
1689      [xlinux_first_failure=no],
1690      [xlinux_first_failure=yes])
1691     if test "${xlinux_first_failure}" = "yes"; then
1692       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1693       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1694       OLD_CPPFLAGS="$CPPFLAGS"
1695       OLD_LIBS="$LIBS"
1696       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1697       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1698       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1699       LIBS="$LIBS -b i486-linuxaout"
1700       AC_TRY_LINK([],
1701        [XOpenDisplay ("foo");],
1702        [xlinux_second_failure=no],
1703        [xlinux_second_failure=yes])
1704       if test "${xlinux_second_failure}" = "yes"; then
1705         # If we get the same failure with -b, there is no use adding -b.
1706         # So take it out.  This plays safe.
1707         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1708         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1709         CPPFLAGS="$OLD_CPPFLAGS"
1710         LIBS="$OLD_LIBS"
1711         AC_MSG_RESULT(no)
1712       else
1713         AC_MSG_RESULT(yes)
1714       fi
1715     else
1716       AC_MSG_RESULT(no)
1717     fi
1718   fi
1719
1720   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1721   # header files included from there.
1722   AC_MSG_CHECKING(for Xkb)
1723   AC_TRY_LINK([#include <X11/Xlib.h>
1724 #include <X11/XKBlib.h>],
1725         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1726         emacs_xkb=yes, emacs_xkb=no)
1727   AC_MSG_RESULT($emacs_xkb)
1728   if test $emacs_xkb = yes; then
1729     AC_DEFINE(HAVE_XKBGETKEYBOARD)
1730   fi
1731
1732   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1733 XScreenNumberOfScreen XSetWMProtocols)
1734 fi
1735
1736 if test "${window_system}" = "x11"; then
1737   AC_MSG_CHECKING(X11 version 6)
1738   AC_CACHE_VAL(emacs_cv_x11_version_6,
1739   [AC_TRY_LINK([#include <X11/Xlib.h>],
1740 [#if XlibSpecificationRelease < 6
1741 fail;
1742 #endif
1743 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1744   if test $emacs_cv_x11_version_6 = yes; then
1745     AC_MSG_RESULT(6 or newer)
1746     AC_DEFINE(HAVE_X11R6)
1747   else
1748     AC_MSG_RESULT(before 6)
1749   fi
1750 fi
1751
1752 if test "${window_system}" = "x11"; then
1753   AC_MSG_CHECKING(X11 version 5)
1754   AC_CACHE_VAL(emacs_cv_x11_version_5,
1755   [AC_TRY_LINK([#include <X11/Xlib.h>],
1756 [#if XlibSpecificationRelease < 5
1757 fail;
1758 #endif
1759 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
1760   if test $emacs_cv_x11_version_5 = yes; then
1761     AC_MSG_RESULT(5 or newer)
1762     HAVE_X11R5=yes
1763     AC_DEFINE(HAVE_X11R5)
1764   else
1765     HAVE_X11R5=no
1766     AC_MSG_RESULT(before 5)
1767   fi
1768 fi
1769
1770 dnl Do not put whitespace before the #include statements below.
1771 dnl Older compilers (eg sunos4 cc) choke on it.
1772 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1773   if test x"${HAVE_X11R5}" = xyes; then
1774     AC_MSG_CHECKING(X11 version 5 with Xaw)
1775     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1776     [AC_TRY_LINK([
1777 #include <X11/Intrinsic.h>
1778 #include <X11/Xaw/Simple.h>],
1779       [],
1780       emacs_cv_x11_version_5_with_xaw=yes,
1781       emacs_cv_x11_version_5_with_xaw=no)])
1782     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1783       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1784       USE_X_TOOLKIT=LUCID
1785     else
1786       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1787       USE_X_TOOLKIT=none
1788     fi
1789   else
1790     USE_X_TOOLKIT=none
1791   fi
1792 fi
1793
1794 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1795
1796 if test "${USE_X_TOOLKIT}" != "none"; then
1797   AC_MSG_CHECKING(X11 toolkit version)
1798   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1799   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1800 [#if XtSpecificationRelease < 6
1801 fail;
1802 #endif
1803 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1804   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1805   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1806     AC_MSG_RESULT(6 or newer)
1807     AC_DEFINE(HAVE_X11XTR6)
1808   else
1809     AC_MSG_RESULT(before 6)
1810   fi
1811
1812 dnl If using toolkit, check whether libXmu.a exists.
1813 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1814   OLDLIBS="$LIBS"
1815   if test x$HAVE_X11XTR6 = xyes; then
1816     LIBS="-lXt -lSM -lICE $LIBS"
1817   else
1818     LIBS="-lXt $LIBS"
1819   fi
1820   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1821   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1822 fi
1823
1824 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1825 if test "${HAVE_X11}" = "yes"; then
1826   if test "${USE_X_TOOLKIT}" != "none"; then
1827     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1828   fi
1829 fi
1830
1831 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1832   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1833   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1834     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1835 int x = 5;
1836 #else
1837 Motif version prior to 2.1.
1838 #endif],
1839     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1840   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1841   if test $emacs_cv_motif_version_2_1 = yes; then
1842     HAVE_LIBXP=no
1843     AC_DEFINE(HAVE_MOTIF_2_1)
1844     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1845     if test ${HAVE_LIBXP} = yes; then
1846       AC_DEFINE(HAVE_LIBXP)
1847     fi
1848   fi
1849 fi
1850
1851 ### Is -lXaw3d available?
1852 HAVE_XAW3D=no
1853 if test "${HAVE_X11}" = "yes"; then
1854   if test "${USE_X_TOOLKIT}" != "none"; then
1855     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1856         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes))
1857     if test "${HAVE_XAW3D}" = "yes"; then
1858         AC_DEFINE(HAVE_XAW3D)
1859     fi
1860   fi
1861 fi
1862
1863 dnl Use toolkit scroll bars if configured for X toolkit and either
1864 dnl using Motif or Xaw3d is available, and unless
1865 dnl --with-toolkit-scroll-bars=no was specified.
1866
1867 USE_TOOLKIT_SCROLL_BARS=no
1868 if test "${with_toolkit_scroll_bars}" != "no"; then
1869   if test "${USE_X_TOOLKIT}" != "none"; then
1870     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1871       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1872       HAVE_XAW3D=no
1873       USE_TOOLKIT_SCROLL_BARS=yes
1874     elif test "${HAVE_XAW3D}" = "yes"; then
1875       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1876       USE_TOOLKIT_SCROLL_BARS=yes
1877     fi
1878   fi
1879 fi
1880
1881 dnl Don't use X11 input methods if user specifies he doesn't want it
1882 dnl with `--with-xim=no'.
1883
1884 if test "${with_xim}" != "no"; then
1885   AC_DEFINE(USE_XIM)
1886 fi
1887
1888 ### Use -lXpm if available, unless `--with-xpm=no'.
1889 HAVE_XPM=no
1890 if test "${HAVE_X11}" = "yes"; then
1891   if test "${with_xpm}" != "no"; then
1892     AC_CHECK_HEADER(X11/xpm.h,
1893       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1894     if test "${HAVE_XPM}" = "yes"; then
1895       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1896       AC_EGREP_CPP(no_return_alloc_pixels,
1897       [#include "X11/xpm.h"
1898 #ifndef XpmReturnAllocPixels
1899 no_return_alloc_pixels
1900 #endif
1901       ], HAVE_XPM=no, HAVE_XPM=yes)
1902
1903       if test "${HAVE_XPM}" = "yes"; then
1904         AC_MSG_RESULT(yes)
1905       else
1906         AC_MSG_RESULT(no)
1907       fi
1908     fi
1909   fi
1910
1911   if test "${HAVE_XPM}" = "yes"; then
1912     AC_DEFINE(HAVE_XPM)
1913   fi
1914 fi
1915
1916 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1917 HAVE_JPEG=no
1918 if test "${HAVE_X11}" = "yes"; then
1919   if test "${with_jpeg}" != "no"; then
1920     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1921     dnl  HAVE_STDLIB_H.
1922     AC_CHECK_HEADER(jerror.h,
1923       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
1924   fi
1925
1926   if test "${HAVE_JPEG}" = "yes"; then
1927     AC_DEFINE(HAVE_JPEG)
1928     AC_EGREP_CPP(
1929 changequote({, })dnl avoid leadingspace on the next line
1930 {version= *(6[2-9]|[7-9][0-9])},
1931 changequote([, ])dnl
1932         [#include <jpeglib.h>
1933          version=JPEG_LIB_VERSION
1934 ],
1935         AC_DEFINE(HAVE_JPEG),
1936         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
1937         HAVE_JPEG=no])
1938   fi
1939 fi
1940
1941 ### Use -lpng if available, unless `--with-png=no'.
1942 HAVE_PNG=no
1943 if test "${HAVE_X11}" = "yes"; then
1944   if test "${with_png}" != "no"; then
1945     AC_CHECK_HEADER(png.h,
1946       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm))
1947   fi
1948
1949   if test "${HAVE_PNG}" = "yes"; then
1950     AC_DEFINE(HAVE_PNG)
1951   fi
1952 fi
1953
1954 ### Use -ltiff if available, unless `--with-tiff=no'.
1955 HAVE_TIFF=no
1956 if test "${HAVE_X11}" = "yes"; then
1957   if test "${with_tiff}" != "no"; then
1958     AC_CHECK_HEADER(tiffio.h,
1959       tifflibs="-lz -lm"
1960       # At least one tiff package requires the jpeg library.
1961       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1962       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1963   fi
1964
1965   if test "${HAVE_TIFF}" = "yes"; then
1966     AC_DEFINE(HAVE_TIFF)
1967   fi
1968 fi
1969
1970 ### Use -lgif if available, unless `--with-gif=no'.
1971 HAVE_GIF=no
1972 if test "${HAVE_X11}" = "yes"; then
1973   if test "${with_gif}" != "no"; then
1974     AC_CHECK_HEADER(gif_lib.h,
1975 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
1976 # Earlier versions can crash Emacs.
1977       AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
1978   fi
1979
1980   if test "${HAVE_GIF}" = "yes"; then
1981     AC_DEFINE(HAVE_GIF)
1982   fi
1983 fi
1984
1985 ### Use session management (-lSM -lICE) if available
1986 HAVE_X_SM=no
1987 if test "${HAVE_X11}" = "yes"; then
1988   AC_CHECK_HEADER(X11/SM/SMlib.h,
1989     AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, -lICE))
1990
1991   if test "${HAVE_X_SM}" = "yes"; then
1992     AC_DEFINE(HAVE_X_SM)
1993     case "$LIBS" in
1994       *-lSM*) ;;
1995       *)      LIBS="-lSM -lICE $LIBS" ;;
1996     esac
1997   fi
1998 fi
1999
2000 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2001 AC_CACHE_CHECK(whether netdb declares h_errno,
2002                emacs_cv_netdb_declares_h_errno,
2003 [AC_TRY_LINK([#include <netdb.h>],
2004   [return h_errno;],
2005   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2006 if test $emacs_cv_netdb_declares_h_errno = yes; then
2007   AC_DEFINE(HAVE_H_ERRNO)
2008 fi
2009
2010 AC_FUNC_ALLOCA
2011
2012 # fmod, logb, and frexp are found in -lm on most systems.
2013 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2014 AC_CHECK_LIB(m, sqrt)
2015
2016 # Check for mail-locking functions in a "mail" library
2017 AC_CHECK_LIB(mail, maillock)
2018 dnl Debian, at least:
2019 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
2020 AC_CHECK_LIB(lockfile, maillock)
2021 # If we have the shared liblockfile, assume we must use it for mail
2022 # locking (e.g. Debian).  If we couldn't link against liblockfile
2023 # (no liblockfile.a installed), ensure that we don't need to.
2024 if test "$ac_cv_lib_lockfile_maillock" = no; then
2025   dnl This works for files generally, not just executables.
2026   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2027   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2028                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2029   if test $ac_cv_prog_liblockfile = yes; then
2030     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2031 This probably means that movemail could lose mail.
2032 There may be a \`development' package to install containing liblockfile.])
2033   else AC_DEFINE(LIBMAIL, -llockfile)
2034   fi
2035   else :
2036 fi
2037 AC_CHECK_FUNCS(touchlock)
2038 AC_CHECK_HEADERS(maillock.h)
2039
2040 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2041 rename closedir mkdir rmdir sysinfo \
2042 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
2043 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2044 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
2045 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2046 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2047 gai_strerror mkstemp getline getdelim)
2048
2049 AC_CHECK_HEADERS(sys/un.h)
2050
2051 AC_FUNC_MKTIME
2052 if test "$ac_cv_func_working_mktime" = no; then
2053   AC_DEFINE(BROKEN_MKTIME)
2054 fi
2055
2056 AC_FUNC_GETLOADAVG
2057
2058 AC_FUNC_FSEEKO
2059
2060 # UNIX98 PTYs.
2061 AC_CHECK_FUNCS(grantpt)
2062
2063 # PTY-related GNU extensions.
2064 AC_CHECK_FUNCS(getpt)
2065
2066 # Check this now, so that we will NOT find the above functions in ncurses.
2067 # That is because we have not set up to link ncurses in lib-src.
2068 # It's better to believe a function is not available
2069 # than to expect to find it in ncurses.
2070 AC_CHECK_LIB(ncurses, tparm)
2071
2072 # Do we need the Hesiod library to provide the support routines?
2073 if test "$with_hesiod" = yes ; then
2074   # Don't set $LIBS here -- see comments above.
2075   resolv=no
2076   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2077      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2078                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2079   if test "$resolv" = yes ; then
2080     RESOLVLIB=-lresolv
2081     AC_DEFINE(HAVE_LIBRESOLV)
2082   else
2083     RESOLVLIB=
2084   fi
2085   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2086         AC_DEFINE(HAVE_LIBHESIOD), :, $RESOLVLIB)])
2087 fi
2088
2089 # These tell us which Kerberos-related libraries to use.
2090 if test "${with_kerberos+set}" = set; then
2091   AC_CHECK_LIB(com_err, com_err)
2092   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2093   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2094   AC_CHECK_LIB(krb5, krb5_init_context)
2095   if test "${with_kerberos5+set}" != set; then
2096     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2097                  AC_CHECK_LIB(des, des_cbc_encrypt))
2098     AC_CHECK_LIB(krb4, krb_get_cred,,
2099                  AC_CHECK_LIB(krb, krb_get_cred))
2100   fi
2101
2102   if test "${with_kerberos5+set}" = set; then
2103     AC_CHECK_HEADERS(krb5.h)
2104   else
2105     AC_CHECK_HEADERS(des.h,,
2106                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2107                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2108     AC_CHECK_HEADERS(krb.h,,
2109                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2110                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2111   fi
2112   AC_CHECK_HEADERS(com_err.h)
2113 fi
2114
2115 # Solaris requires -lintl if you want strerror (which calls dgettext)
2116 # to return localized messages.
2117 AC_CHECK_LIB(intl, dgettext)
2118
2119 AC_MSG_CHECKING(whether localtime caches TZ)
2120 AC_CACHE_VAL(emacs_cv_localtime_cache,
2121 [if test x$ac_cv_func_tzset = xyes; then
2122 AC_TRY_RUN([#include <time.h>
2123 extern char **environ;
2124 unset_TZ ()
2125 {
2126   char **from, **to;
2127   for (to = from = environ; (*to = *from); from++)
2128     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2129       to++;
2130 }
2131 char TZ_GMT0[] = "TZ=GMT0";
2132 char TZ_PST8[] = "TZ=PST8";
2133 main()
2134 {
2135   time_t now = time ((time_t *) 0);
2136   int hour_GMT0, hour_unset;
2137   if (putenv (TZ_GMT0) != 0)
2138     exit (1);
2139   hour_GMT0 = localtime (&now)->tm_hour;
2140   unset_TZ ();
2141   hour_unset = localtime (&now)->tm_hour;
2142   if (putenv (TZ_PST8) != 0)
2143     exit (1);
2144   if (localtime (&now)->tm_hour == hour_GMT0)
2145     exit (1);
2146   unset_TZ ();
2147   if (localtime (&now)->tm_hour != hour_unset)
2148     exit (1);
2149   exit (0);
2150 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2151 [# If we have tzset, assume the worst when cross-compiling.
2152 emacs_cv_localtime_cache=yes])
2153 else
2154         # If we lack tzset, report that localtime does not cache TZ,
2155         # since we can't invalidate the cache if we don't have tzset.
2156         emacs_cv_localtime_cache=no
2157 fi])dnl
2158 AC_MSG_RESULT($emacs_cv_localtime_cache)
2159 if test $emacs_cv_localtime_cache = yes; then
2160   AC_DEFINE(LOCALTIME_CACHE)
2161 fi
2162
2163 if test "x$HAVE_TIMEVAL" = xyes; then
2164   AC_CHECK_FUNCS(gettimeofday)
2165   AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2166                  emacs_cv_gettimeofday_two_arguments,
2167   [AC_TRY_COMPILE([
2168 #ifdef TIME_WITH_SYS_TIME
2169 #include <sys/time.h>
2170 #include <time.h>
2171 #else
2172 #ifdef HAVE_SYS_TIME_H
2173 #include <sys/time.h>
2174 #else
2175 #include <time.h>
2176 #endif
2177 #endif],
2178     [struct timeval time;
2179      gettimeofday (&time, 0);],
2180     emacs_cv_gettimeofday_two_arguments=yes,
2181     emacs_cv_gettimeofday_two_arguments=no)])
2182   if test $emacs_cv_gettimeofday_two_arguments = no; then
2183     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2184   fi
2185 fi
2186
2187 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2188 if test "$ac_cv_func_gettimeofday" = yes; then
2189   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2190     [AC_TRY_COMPILE([#include <sys/time.h>],
2191     [struct timezone tz;],
2192     dnl It may be that we can't call gettimeofday with a non-null pointer,
2193     dnl even though we have struct timezone (e.g. HPUX).  In that case
2194     dnl we'll lie about struct timezone.
2195     [AC_TRY_RUN([
2196 #ifdef TIME_WITH_SYS_TIME
2197 #include <sys/time.h>
2198 #include <time.h>
2199 #else
2200 #ifdef HAVE_SYS_TIME_H
2201 #include <sys/time.h>
2202 #else
2203 #include <time.h>
2204 #endif
2205 #endif
2206 main () {
2207   struct timeval time;
2208   struct timezone dummy;
2209   exit (gettimeofday (&time, &dummy));
2210 }],
2211       emacs_cv_struct_timezone=yes,
2212       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2213     emacs_cv_struct_timezone=no)])
2214 fi
2215
2216 ok_so_far=yes
2217 AC_CHECK_FUNC(socket, , ok_so_far=no)
2218 if test $ok_so_far = yes; then
2219   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2220 fi
2221 if test $ok_so_far = yes; then
2222   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2223 fi
2224 if test $ok_so_far = yes; then
2225   AC_DEFINE(HAVE_INET_SOCKETS)
2226 fi
2227
2228 if test -f /usr/lpp/X11/bin/smt.exp; then
2229   AC_DEFINE(HAVE_AIX_SMT_EXP)
2230 fi
2231
2232 AC_MSG_CHECKING(whether system supports dynamic ptys)
2233 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2234   AC_MSG_RESULT(yes)
2235   AC_DEFINE(HAVE_DEV_PTMX)
2236 else
2237   AC_MSG_RESULT(no)
2238 fi
2239
2240 AC_FUNC_FORK
2241
2242 # Fixme: This should be replaced when we have autoconf 2.14.
2243 AC_SIZE_T
2244
2245 # Set up the CFLAGS for real compilation, so we can substitute it.
2246 CFLAGS="$REAL_CFLAGS"
2247 CPPFLAGS="$REAL_CPPFLAGS"
2248
2249 changequote(, )dnl
2250 #### Find out which version of Emacs this is.
2251 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
2252          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2253 changequote([, ])dnl
2254 if test x"${version}" = x; then
2255   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2256 fi
2257
2258 ### Specify what sort of things we'll be editing into Makefile and config.h.
2259 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2260 AC_SUBST(version)
2261 AC_SUBST(configuration)
2262 AC_SUBST(canonical)
2263 AC_SUBST(srcdir)
2264 AC_SUBST(prefix)
2265 AC_SUBST(exec_prefix)
2266 AC_SUBST(bindir)
2267 AC_SUBST(datadir)
2268 AC_SUBST(sharedstatedir)
2269 AC_SUBST(libexecdir)
2270 AC_SUBST(mandir)
2271 AC_SUBST(infodir)
2272 AC_SUBST(lispdir)
2273 AC_SUBST(locallisppath)
2274 AC_SUBST(lisppath)
2275 AC_SUBST(x_default_search_path)
2276 AC_SUBST(etcdir)
2277 AC_SUBST(archlibdir)
2278 AC_SUBST(docdir)
2279 AC_SUBST(bitmapdir)
2280 AC_SUBST(gamedir)
2281 AC_SUBST(gameuser)
2282 AC_SUBST(c_switch_system)
2283 AC_SUBST(c_switch_machine)
2284 AC_SUBST(LD_SWITCH_X_SITE)
2285 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2286 AC_SUBST(C_SWITCH_X_SITE)
2287 AC_SUBST(CFLAGS)
2288 AC_SUBST(X_TOOLKIT_TYPE)
2289 AC_SUBST(machfile)
2290 AC_SUBST(opsysfile)
2291 AC_SUBST(GETLOADAVG_LIBS)
2292
2293 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2294 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2295 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2296 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2297 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2298 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2299 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2300 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2301
2302 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2303   AC_DEFINE(HAVE_X_WINDOWS)
2304 fi
2305 if test "${USE_X_TOOLKIT}" != "none" ; then
2306   AC_DEFINE(USE_X_TOOLKIT)
2307 fi
2308 if test "${HAVE_X11}" = "yes" ; then
2309   AC_DEFINE(HAVE_X11)
2310 fi
2311 if test "${HAVE_XFREE386}" = "yes" ; then
2312   AC_DEFINE(HAVE_XFREE386)
2313 fi
2314 if test "${HAVE_MENUS}" = "yes" ; then
2315   AC_DEFINE(HAVE_MENUS)
2316 fi
2317 if test "${GNU_MALLOC}" = "yes" ; then
2318   AC_DEFINE(GNU_MALLOC)
2319 fi
2320 if test "${REL_ALLOC}" = "yes" ; then
2321   AC_DEFINE(REL_ALLOC)
2322 fi
2323
2324 AC_CHECK_HEADERS(nlist.h, [AC_DEFINE(NLIST_STRUCT, 1,
2325                  [Define if you have <nlist.h>.])])
2326
2327 #### Report on what we decided to do.
2328 echo "
2329 Configured for \`${canonical}'.
2330
2331   Where should the build process find the source code?    ${srcdir}
2332   What operating system and machine description files should Emacs use?
2333         \`${opsysfile}' and \`${machfile}'
2334   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2335   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2336   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2337   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
2338   What window system should Emacs use?                    ${window_system}
2339   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}
2340   Should Emacs use a shared game state directory?         ${gamedir}"
2341
2342 if test -n "${x_includes}"; then
2343 echo "  Where do we find X Windows header files?                ${x_includes}"
2344 else
2345 echo "  Where do we find X Windows header files?                Standard dirs"
2346 fi
2347 if test -n "${x_libraries}"; then
2348 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2349 else
2350 echo "  Where do we find X Windows libraries?                   Standard dirs"
2351 fi
2352
2353 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2354 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2355 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2356 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2357 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2358 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2359 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2360 echo
2361
2362 # Remove any trailing slashes in these variables.
2363 changequote(, )dnl
2364 test "${prefix}" != NONE &&
2365   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2366 test "${exec_prefix}" != NONE &&
2367   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2368 changequote([, ])dnl
2369
2370 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
2371 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2372 ## from Makefile.c can correctly provide the arg `-traditional' to the
2373 ## C preprocessor.
2374
2375 AC_EGREP_CPP(yes..yes,
2376         [yes..yes],
2377         CPP_NEED_TRADITIONAL=no,
2378         CPP_NEED_TRADITIONAL=yes)
2379
2380 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2381         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2382         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
2383
2384 ### Make the necessary directories, if they don't exist.
2385 for dir in etc lisp ; do
2386   test -d ${dir} || mkdir ${dir}
2387 done
2388
2389 # Build src/Makefile from ${srcdir}/src/Makefile.c
2390 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2391 # This must be done after src/config.h is built, since we rely on that file.
2392
2393 changequote(, )dnl The horror, the horror.
2394 # Now get this: Some word that is part of the ${srcdir} directory name
2395 # or the ${configuration} value might, just might, happen to be an
2396 # identifier like `sun4' or `i386' or something, and be predefined by
2397 # the C preprocessor to some helpful value like 1, or maybe the empty
2398 # string.  Needless to say consequent macro substitutions are less
2399 # than conducive to the makefile finding the correct directory.
2400 undefs="`echo $top_srcdir $configuration $canonical |
2401 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2402     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2403 `"
2404 changequote([, ])dnl
2405
2406 echo creating src/epaths.h
2407 ${MAKE-make} epaths-force
2408
2409 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2410 # `..' to `. .'  unless invoked with -traditional
2411
2412 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
2413   CPPFLAGS="$CPPFLAGS -traditional"
2414 fi
2415
2416 echo creating lib-src/Makefile
2417 ( cd lib-src
2418   rm -f junk.c junk1.c junk2.c
2419   sed -e '/start of cpp stuff/q' \
2420       < Makefile.c > junk1.c
2421   sed -e '1,/start of cpp stuff/d'\
2422       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2423       < Makefile.c > junk.c
2424   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2425       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2426   cat junk1.c junk2.c > Makefile.new
2427   rm -f junk.c junk1.c junk2.c
2428   chmod 444 Makefile.new
2429   mv -f Makefile.new Makefile
2430 )
2431
2432 echo creating src/Makefile
2433 ( cd src
2434   rm -f junk.c junk1.c junk2.c
2435   sed -e '/start of cpp stuff/q' \
2436       < Makefile.c > junk1.c
2437   sed -e '1,/start of cpp stuff/d'\
2438       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2439       < Makefile.c > junk.c
2440   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2441       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2442   cat junk1.c junk2.c > Makefile.new
2443   rm -f junk.c junk1.c junk2.c
2444   chmod 444 Makefile.new
2445   mv -f Makefile.new Makefile
2446 )
2447
2448 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
2449   echo creating src/.gdbinit
2450   echo source $srcdir/src/.gdbinit > src/.gdbinit
2451 fi
2452
2453 # This is how we know whether to re-run configure in certain cases.
2454 touch src/config.stamp
2455
2456 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
2457