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