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
   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-aix4.0* | powerpc-ibm-aix4.0*  )
 609     machine=ibmrs6000 opsys=aix4
 610   ;;
 611   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 612     machine=ibmrs6000 opsys=aix4-1
 613   ;;
 614   rs6000-ibm-aix* | powerpc-ibm-aix* )
 615     machine=ibmrs6000 opsys=aix3-2
 616   ;;
 617   romp-ibm-bsd4.3* )
 618     machine=ibmrt opsys=bsd4-3
 619   ;;
 620   romp-ibm-bsd4.2* )
 621     machine=ibmrt opsys=bsd4-2
 622   ;;
 623   romp-ibm-aos4.3* )
 624     machine=ibmrt opsys=bsd4-3
 625   ;;
 626   romp-ibm-aos4.2* )
 627     machine=ibmrt opsys=bsd4-2
 628   ;;
 629   romp-ibm-aos* )
 630     machine=ibmrt opsys=bsd4-3
 631   ;;
 632   romp-ibm-bsd* )
 633     machine=ibmrt opsys=bsd4-3
 634   ;;
 635   romp-ibm-aix* )
 636     machine=ibmrt-aix opsys=usg5-2-2
 637   ;;
 638
 639   ## Integrated Solutions `Optimum V'
 640   m68*-isi-bsd4.2* )
 641     machine=isi-ov opsys=bsd4-2
 642   ;;
 643   m68*-isi-bsd4.3* )
 644     machine=isi-ov opsys=bsd4-3
 645   ;;
 646
 647   ## Intel 386 machines where we do care about the manufacturer
 648   i[3456]86-intsys-sysv* )
 649     machine=is386 opsys=usg5-2-2
 650   ;;
 651
 652   ## Prime EXL
 653   i[3456]86-prime-sysv* )
 654     machine=i386 opsys=usg5-3
 655   ;;
 656
 657   ## Sequent Symmetry running Dynix
 658   i[3456]86-sequent-bsd* )
 659     machine=symmetry opsys=bsd4-3
 660   ;;
 661
 662   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 663   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 664     machine=sequent-ptx opsys=ptx4
 665     NON_GNU_CPP=/lib/cpp
 666   ;;
 667
 668   ## Sequent Symmetry running DYNIX/ptx
 669   ## Use the old cpp rather than the newer ANSI one.
 670   i[3456]86-sequent-ptx* )
 671     machine=sequent-ptx opsys=ptx
 672     NON_GNU_CPP="/lib/cpp"
 673   ;;
 674
 675   ## ncr machine running svr4.3.
 676   i[3456]86-ncr-sysv4.3 )
 677     machine=ncr386 opsys=usg5-4-3
 678   ;;
 679
 680   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 681   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 682   i[3456]86-ncr-sysv* )
 683     machine=ncr386 opsys=usg5-4-2
 684   ;;
 685
 686   ## Intel Paragon OSF/1
 687   i860-intel-osf1* )
 688     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 689   ;;
 690
 691   ## Intel 860
 692   i860-*-sysv4* )
 693     machine=i860 opsys=usg5-4
 694     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 695     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 696   ;;
 697
 698   ## Macintosh PowerPC
 699   powerpc*-*-linux-gnu* )
 700     machine=macppc opsys=gnu-linux
 701   ;;
 702
 703   ## Masscomp machines
 704   m68*-masscomp-rtu* )
 705     machine=masscomp opsys=rtu
 706   ;;
 707
 708   ## Megatest machines
 709   m68*-megatest-bsd* )
 710     machine=mega68 opsys=bsd4-2
 711   ;;
 712
 713   ## Workstations sold by MIPS
 714   ## This is not necessarily all workstations using the MIPS processor -
 715   ## Irises are produced by SGI, and DECstations by DEC.
 716
 717   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 718   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 719   ## it gives for choosing between the alternatives seems to be "Use
 720   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 721   ## the BSD world."  I'll assume that these are instructions for
 722   ## handling two odd situations, and that every other situation
 723   ## should use mips.h and usg5-2-2, they being listed first.
 724   mips-mips-usg* )
 725     machine=mips4
 726     ## Fall through to the general code at the bottom to decide on the OS.
 727   ;;
 728   mips-mips-riscos4* )
 729     machine=mips4 opsys=bsd4-3
 730     NON_GNU_CC="cc -systype bsd43"
 731     NON_GNU_CPP="cc -systype bsd43 -E"
 732   ;;
 733   mips-mips-riscos5* )
 734     machine=mips4 opsys=riscos5
 735     NON_GNU_CC="cc -systype bsd43"
 736     NON_GNU_CPP="cc -systype bsd43 -E"
 737   ;;
 738   mips-mips-bsd* )
 739     machine=mips opsys=bsd4-3
 740   ;;
 741   mips-mips-* )
 742     machine=mips opsys=usg5-2-2
 743   ;;
 744
 745   ## NeXT
 746   m68*-next-* | m68k-*-nextstep* )
 747     machine=m68k opsys=nextstep
 748   ;;
 749
 750   ## The complete machine from National Semiconductor
 751   ns32k-ns-genix* )
 752     machine=ns32000 opsys=usg5-2
 753   ;;
 754
 755   ## NCR machines
 756   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 757     machine=tower32 opsys=usg5-2-2
 758   ;;
 759   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 760     machine=tower32v3 opsys=usg5-3
 761   ;;
 762
 763   ## NEC EWS4800
 764   mips-nec-sysv4*)
 765   machine=ews4800 opsys=ux4800
 766   ;;
 767
 768   ## Nixdorf Targon 31
 769   m68*-nixdorf-sysv* )
 770     machine=targon31 opsys=usg5-2-2
 771   ;;
 772
 773   ## Nu (TI or LMI)
 774   m68*-nu-sysv* )
 775     machine=nu opsys=usg5-2
 776   ;;
 777
 778   ## Plexus
 779   m68*-plexus-sysv* )
 780     machine=plexus opsys=usg5-2
 781   ;;
 782
 783   ## PowerPC reference platform
 784   powerpcle-*-solaris2* )
 785     machine=prep
 786     opsys=sol2-5
 787   ;;
 788
 789   ## Pyramid machines
 790   ## I don't really have any idea what sort of processor the Pyramid has,
 791   ## so I'm assuming it is its own architecture.
 792   pyramid-pyramid-bsd* )
 793     machine=pyramid opsys=bsd4-2
 794   ;;
 795
 796   ## Sequent Balance
 797   ns32k-sequent-bsd4.2* )
 798     machine=sequent opsys=bsd4-2
 799   ;;
 800   ns32k-sequent-bsd4.3* )
 801     machine=sequent opsys=bsd4-3
 802   ;;
 803
 804   ## Siemens Nixdorf
 805   mips-siemens-sysv* | mips-sni-sysv*)
 806     machine=mips-siemens opsys=usg5-4
 807     NON_GNU_CC=/usr/ccs/bin/cc
 808     NON_GNU_CPP=/usr/ccs/lib/cpp
 809   ;;
 810
 811   ## Silicon Graphics machines
 812   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 813   m68*-sgi-iris3.5* )
 814     machine=irist opsys=iris3-5
 815   ;;
 816   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 817     machine=irist opsys=iris3-6
 818   ;;
 819   ## Iris 4D
 820   mips-sgi-irix3* )
 821     machine=iris4d opsys=irix3-3
 822   ;;
 823   mips-sgi-irix4* )
 824     machine=iris4d opsys=irix4-0
 825   ;;
 826   mips-sgi-irix6.5 )
 827     machine=iris4d opsys=irix6-5
 828     # Without defining _LANGUAGE_C, things get masked out in the headers
 829     # so that, for instance, grepping for `free' in stdlib.h fails and
 830     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 831     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 832     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 833   ;;
 834   mips-sgi-irix6* )
 835     machine=iris4d opsys=irix6-0
 836     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 837     # but presumably it does no harm.
 838     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 839     # -32 probably isn't necessary in later v.6s -- anyone know which?
 840     NON_GCC_TEST_OPTIONS=-32
 841   ;;
 842   mips-sgi-irix5.[01]* )
 843     machine=iris4d opsys=irix5-0
 844   ;;
 845   mips-sgi-irix5* | mips-sgi-irix* )
 846     machine=iris4d opsys=irix5-2
 847   ;;
 848
 849   ## SONY machines
 850   m68*-sony-bsd4.2* )
 851     machine=news opsys=bsd4-2
 852   ;;
 853   m68*-sony-bsd4.3* )
 854     machine=news opsys=bsd4-3
 855   ;;
 856   m68*-sony-newsos3* | m68*-sony-news3*)
 857     machine=news opsys=bsd4-3
 858   ;;
 859   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 860     machine=news-risc opsys=bsd4-3
 861   ;;
 862   mips-sony-newsos6* )
 863     machine=news-r6 opsys=newsos6
 864   ;;
 865   mips-sony-news* )
 866     machine=news-risc opsys=newsos5
 867   ;;
 868
 869   ## Stride
 870   m68*-stride-sysv* )
 871     machine=stride opsys=usg5-2
 872   ;;
 873
 874   ## Suns
 875   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 876     machine=sparc opsys=gnu-linux
 877   ;;
 878
 879   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 880     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 881     | rs6000-*-solaris2*)
 882     case "${canonical}" in
 883       m68*-sunos1* )    machine=sun1 ;;
 884       m68*-sunos2* )    machine=sun2 ;;
 885       m68* )            machine=sun3 ;;
 886       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 887       i[3456]86-*-* )     machine=intel386 ;;
 888       powerpcle* )      machine=powerpcle ;;
 889       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 890       sparc* )          machine=sparc ;;
 891       * )               unported=yes ;;
 892     esac
 893     case "${canonical}" in
 894       ## The Sun386 didn't get past 4.0.
 895       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 896       *-sunos4.0*         ) opsys=sunos4-0 ;;
 897       *-sunos4.1.[3-9]*noshare )
 898                 ## This name is sunos413 instead of sunos4-1-3
 899                 ## to avoid a file name conflict on MSDOS.
 900                 opsys=sunos413
 901                 NON_GNU_CPP=/usr/lib/cpp
 902                 NON_GCC_TEST_OPTIONS=-Bstatic
 903                 GCC_TEST_OPTIONS=-static
 904                 ;;
 905       *-sunos4.1.[3-9]* | *-sunos4shr*)
 906                 opsys=sunos4shr
 907                 NON_GNU_CPP=/usr/lib/cpp
 908                 ;;
 909       *-sunos4* | *-sunos )
 910                 opsys=sunos4-1
 911                 NON_GCC_TEST_OPTIONS=-Bstatic
 912                 GCC_TEST_OPTIONS=-static
 913                 ;;
 914       *-sunos5.3* | *-solaris2.3* )
 915                 opsys=sol2-3
 916                 NON_GNU_CPP=/usr/ccs/lib/cpp
 917                 ;;
 918       *-sunos5.4* | *-solaris2.4* )
 919                 opsys=sol2-4
 920                 NON_GNU_CPP=/usr/ccs/lib/cpp
 921                 RANLIB="ar -ts"
 922                 ;;
 923       *-sunos5.5* | *-solaris2.5* )
 924                 opsys=sol2-5
 925                 NON_GNU_CPP=/usr/ccs/lib/cpp
 926                 RANLIB="ar -ts"
 927                 ;;
 928       *-sunos5* | *-solaris* )
 929                 opsys=sol2-5
 930                 NON_GNU_CPP=/usr/ccs/lib/cpp
 931                 ;;
 932       *                   ) opsys=bsd4-2   ;;
 933     esac
 934     ## Watch out for a compiler that we know will not work.
 935     case "${canonical}" in
 936      *-solaris* | *-sunos5* )
 937                 if [ "x$CC" = x/usr/ucb/cc ]; then
 938                   ## /usr/ucb/cc doesn't work;
 939                   ## we should find some other compiler that does work.
 940                   unset CC
 941                 fi
 942                 ;;
 943       *) ;;
 944     esac
 945   ;;
 946   sparc-*-nextstep* )
 947     machine=sparc opsys=nextstep
 948   ;;
 949
 950   ## Tadpole 68k
 951   m68*-tadpole-sysv* )
 952     machine=tad68k opsys=usg5-3
 953   ;;
 954
 955   ## Tahoe machines
 956   tahoe-tahoe-bsd4.2* )
 957     machine=tahoe opsys=bsd4-2
 958   ;;
 959   tahoe-tahoe-bsd4.3* )
 960     machine=tahoe opsys=bsd4-3
 961   ;;
 962
 963   ## Tandem Integrity S2
 964   mips-tandem-sysv* )
 965     machine=tandem-s2 opsys=usg5-3
 966   ;;
 967
 968   ## Tektronix XD88
 969   m88k-tektronix-sysv3* )
 970   machine=tekxd88 opsys=usg5-3
 971   ;;
 972
 973   ## Tektronix 16000 box (6130?)
 974   ns16k-tektronix-bsd* )
 975     machine=ns16000 opsys=bsd4-2
 976   ;;
 977   ## Tektronix 4300
 978   ## src/m/tek4300.h hints that this is a m68k machine.
 979   m68*-tektronix-bsd* )
 980     machine=tek4300 opsys=bsd4-3
 981   ;;
 982
 983   ## Titan P2 or P3
 984   ## We seem to have lost the machine-description file titan.h!
 985   titan-titan-sysv* )
 986     machine=titan opsys=usg5-3
 987   ;;
 988
 989   ## Ustation E30 (SS5E)
 990   m68*-unisys-uniplus* )
 991     machine=ustation opsystem=unipl5-2
 992   ;;
 993
 994   ## Vaxen.
 995   vax-dec-* )
 996     machine=vax
 997     case "${canonical}" in
 998       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 999       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1000       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1001       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1002       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1003       *-vms* )                                          opsys=vms ;;
1004       * )                                               unported=yes
1005     esac
1006   ;;
1007
1008   ## Whitechapel MG1
1009   ns16k-whitechapel-* )
1010     machine=mg1
1011     ## We don't know what sort of OS runs on these; we'll let the
1012     ## operating system guessing code below try.
1013   ;;
1014
1015   ## Wicat
1016   m68*-wicat-sysv* )
1017     machine=wicat opsys=usg5-2
1018   ;;
1019
1020   ## IA-64
1021   ia64*-*-linux* )
1022     machine=ia64 opsys=gnu-linux
1023   ;;
1024
1025   ## Intel 386 machines where we don't care about the manufacturer
1026   i[3456]86-*-* )
1027     machine=intel386
1028     case "${canonical}" in
1029       *-lynxos* )               opsys=lynxos ;;
1030       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1031       *-isc2.2* )               opsys=isc2-2 ;;
1032       *-isc4.0* )               opsys=isc4-0 ;;
1033       *-isc4.* )                opsys=isc4-1
1034                                 GCC_TEST_OPTIONS=-posix
1035                                 NON_GCC_TEST_OPTIONS=-Xp
1036                                 ;;
1037       *-isc* )                  opsys=isc3-0 ;;
1038       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1039       *-esix* )                 opsys=esix ;;
1040       *-xenix* )                opsys=xenix ;;
1041       *-linux-gnu* )            opsys=gnu-linux ;;
1042       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1043       *-sco3.2v5* )             opsys=sco5
1044                                 NON_GNU_CPP=/lib/cpp
1045                                 # Prevent -belf from being passed to $CPP.
1046                                 # /lib/cpp does not accept it.
1047                                 OVERRIDE_CPPFLAGS=" "
1048                                 ;;
1049       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1050       *-386bsd* )               opsys=386bsd ;;
1051       *-nextstep* )             opsys=nextstep ;;
1052       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1053     esac
1054   ;;
1055
1056   ## m68k Linux-based GNU system
1057   m68k-*-linux-gnu* )
1058     machine=m68k opsys=gnu-linux
1059   ;;
1060
1061   ## Mips Linux-based GNU system
1062   mips-*-linux-gnu* )
1063     machine=mips opsys=gnu-linux
1064   ;;
1065
1066   ## UXP/DS
1067   sparc-fujitsu-sysv4* )
1068     machine=sparc opsys=uxpds
1069     NON_GNU_CPP=/usr/ccs/lib/cpp
1070     RANLIB="ar -ts"
1071   ;;
1072
1073   ## UXP/V
1074   f301-fujitsu-uxpv4.1)
1075     machine=f301 opsys=uxpv
1076   ;;
1077
1078   * )
1079     unported=yes
1080   ;;
1081 esac
1082
1083 ### If the code above didn't choose an operating system, just choose
1084 ### an operating system based on the configuration name.  You really
1085 ### only want to use this when you have no idea what the right
1086 ### operating system is; if you know what operating systems a machine
1087 ### runs, it's cleaner to make it explicit in the case statement
1088 ### above.
1089 if test x"${opsys}" = x; then
1090   case "${canonical}" in
1091     *-gnu* )                            opsys=gnu ;;
1092     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1093     *-bsd4.2 )                          opsys=bsd4-2 ;;
1094     *-bsd4.3 )                          opsys=bsd4-3 ;;
1095     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1096     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1097     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1098     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1099     *-sysv4.2uw* )                      opsys=unixware ;;
1100     *-sysv4.1* | *-sysvr4.1* )
1101         NON_GNU_CPP=/usr/lib/cpp
1102         opsys=usg5-4 ;;
1103     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1104         if [ x$NON_GNU_CPP = x ]; then
1105           if [ -f /usr/ccs/lib/cpp ]; then
1106             NON_GNU_CPP=/usr/ccs/lib/cpp
1107           else
1108             NON_GNU_CPP=/lib/cpp
1109           fi
1110         fi
1111         opsys=usg5-4-2 ;;
1112     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1113     * )
1114       unported=yes
1115     ;;
1116   esac
1117 fi
1118
1119 changequote([, ])dnl
1120
1121 if test $unported = yes; then
1122   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1123 Check \`etc/MACHINES' for recognized configuration names.])
1124 fi
1125
1126 machfile="m/${machine}.h"
1127 opsysfile="s/${opsys}.h"
1128
1129
1130 #### Choose a compiler.
1131 test -n "$CC" && cc_specified=yes
1132
1133 # Save the value of CFLAGS that the user specified.
1134 SPECIFIED_CFLAGS="$CFLAGS"
1135
1136 case ${with_gcc} in
1137   "yes" ) CC="gcc" GCC=yes ;;
1138   "no"  ) : ${CC=cc} ;;
1139   * )
1140 esac
1141 AC_PROG_CC
1142
1143 # On Suns, sometimes $CPP names a directory.
1144 if test -n "$CPP" && test -d "$CPP"; then
1145   CPP=
1146 fi
1147
1148 #### Some systems specify a CPP to use unless we are using GCC.
1149 #### Now that we know whether we are using GCC, we can decide whether
1150 #### to use that one.
1151 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1152 then
1153   CPP="$NON_GNU_CPP"
1154 fi
1155
1156 #### Some systems specify a CC to use unless we are using GCC.
1157 #### Now that we know whether we are using GCC, we can decide whether
1158 #### to use that one.
1159 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1160   test x$cc_specified != xyes
1161 then
1162   CC="$NON_GNU_CC"
1163 fi
1164
1165 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1166 then
1167   CC="$CC $GCC_TEST_OPTIONS"
1168 fi
1169
1170 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1171 then
1172   CC="$CC $NON_GCC_TEST_OPTIONS"
1173 fi
1174
1175 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1176 then
1177   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1178 fi
1179
1180 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1181 then
1182   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1183 fi
1184
1185 #### Some other nice autoconf tests.  If you add a test here which
1186 #### should make an entry in src/config.h, don't forget to add an
1187 #### #undef clause to src/config.h.in for autoconf to modify.
1188
1189 dnl checks for programs
1190 AC_PROG_LN_S
1191 AC_PROG_CPP
1192 AC_PROG_INSTALL
1193 AC_PROG_YACC
1194 if test "x$RANLIB" = x; then
1195   AC_PROG_RANLIB
1196 fi
1197
1198 dnl checks for Unix variants
1199 AC_AIX
1200
1201 #### Extract some information from the operating system and machine files.
1202
1203 AC_CHECKING([the machine- and system-dependent files to find out
1204  - which libraries the lib-src programs will want, and
1205  - whether the GNU malloc routines are usable])
1206
1207 ### First figure out CFLAGS (which we use for running the compiler here)
1208 ### and REAL_CFLAGS (which we use for real compilation).
1209 ### The two are the same except on a few systems, where they are made
1210 ### different to work around various lossages.  For example,
1211 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1212 ### as implying static linking.
1213
1214 ### If the CFLAGS env var is specified, we use that value
1215 ### instead of the default.
1216
1217 ### It's not important that this name contain the PID; you can't run
1218 ### two configures in the same directory and have anything work
1219 ### anyway.
1220 tempcname="conftest.c"
1221
1222 echo '
1223 #include "'${srcdir}'/src/'${opsysfile}'"
1224 #include "'${srcdir}'/src/'${machfile}'"
1225 #ifndef LIBS_MACHINE
1226 #define LIBS_MACHINE
1227 #endif
1228 #ifndef LIBS_SYSTEM
1229 #define LIBS_SYSTEM
1230 #endif
1231 #ifndef C_SWITCH_SYSTEM
1232 #define C_SWITCH_SYSTEM
1233 #endif
1234 #ifndef C_SWITCH_MACHINE
1235 #define C_SWITCH_MACHINE
1236 #endif
1237 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1238 configure___ c_switch_system=C_SWITCH_SYSTEM
1239 configure___ c_switch_machine=C_SWITCH_MACHINE
1240
1241 #ifndef LIB_X11_LIB
1242 #define LIB_X11_LIB -lX11
1243 #endif
1244
1245 #ifndef LIBX11_MACHINE
1246 #define LIBX11_MACHINE
1247 #endif
1248
1249 #ifndef LIBX11_SYSTEM
1250 #define LIBX11_SYSTEM
1251 #endif
1252 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1253
1254 #ifdef UNEXEC
1255 configure___ unexec=UNEXEC
1256 #else
1257 configure___ unexec=unexec.o
1258 #endif
1259
1260 #ifdef SYSTEM_MALLOC
1261 configure___ system_malloc=yes
1262 #else
1263 configure___ system_malloc=no
1264 #endif
1265
1266 #ifdef USE_MMAP_FOR_BUFFERS
1267 configure___ use_mmap_for_buffers=yes
1268 #else
1269 configure___ use_mmap_for_buffers=no
1270 #endif
1271
1272 #ifndef C_DEBUG_SWITCH
1273 #define C_DEBUG_SWITCH -g
1274 #endif
1275
1276 #ifndef C_OPTIMIZE_SWITCH
1277 #ifdef __GNUC__
1278 #define C_OPTIMIZE_SWITCH -O2
1279 #else
1280 #define C_OPTIMIZE_SWITCH -O
1281 #endif
1282 #endif
1283
1284 #ifndef LD_SWITCH_MACHINE
1285 #define LD_SWITCH_MACHINE
1286 #endif
1287
1288 #ifndef LD_SWITCH_SYSTEM
1289 #define LD_SWITCH_SYSTEM
1290 #endif
1291
1292 #ifndef LD_SWITCH_X_SITE_AUX
1293 #define LD_SWITCH_X_SITE_AUX
1294 #endif
1295
1296 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1297 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1298
1299 #ifdef THIS_IS_CONFIGURE
1300
1301 /* Get the CFLAGS for tests in configure.  */
1302 #ifdef __GNUC__
1303 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1304 #else
1305 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1306 #endif
1307
1308 #else /* not THIS_IS_CONFIGURE */
1309
1310 /* Get the CFLAGS for real compilation.  */
1311 #ifdef __GNUC__
1312 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1313 #else
1314 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1315 #endif
1316
1317 #endif /* not THIS_IS_CONFIGURE */
1318 ' > ${tempcname}
1319
1320 # The value of CPP is a quoted variable reference, so we need to do this
1321 # to get its actual value...
1322 CPP=`eval "echo $CPP"`
1323 changequote(, )dnl
1324 eval `${CPP} -Isrc ${tempcname} \
1325        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1326 if test "x$SPECIFIED_CFLAGS" = x; then
1327   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1328          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1329 else
1330   REAL_CFLAGS="$CFLAGS"
1331 fi
1332 changequote([, ])dnl
1333 rm ${tempcname}
1334
1335 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1336
1337 ### Make sure subsequent tests use flags consistent with the build flags.
1338
1339 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1340   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1341 else
1342   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1343 fi
1344
1345 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1346 AC_SYS_LARGEFILE
1347
1348 # Sound support for GNU/Linux and the free BSDs.
1349 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1350 # Emulation library used on NetBSD.
1351 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1352 AC_SUBST(LIBSOUND)
1353
1354 dnl checks for header files
1355 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1356   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1357   termcap.h stdio_ext.h fcntl.h term.h strings.h coff.h)
1358 AC_HEADER_STDC
1359 AC_HEADER_TIME
1360 AC_DECL_SYS_SIGLIST
1361 AC_HEADER_SYS_WAIT
1362
1363 dnl Some systems have utime.h but don't declare the struct anyplace.
1364 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1365 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1366 #include <sys/time.h>
1367 #include <time.h>
1368 #else
1369 #ifdef HAVE_SYS_TIME_H
1370 #include <sys/time.h>
1371 #else
1372 #include <time.h>
1373 #endif
1374 #endif
1375 #ifdef HAVE_UTIME_H
1376 #include <utime.h>
1377 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1378   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1379 if test $emacs_cv_struct_utimbuf = yes; then
1380   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1381 fi
1382
1383 dnl checks for typedefs
1384 AC_TYPE_SIGNAL
1385
1386 dnl Check for speed_t typedef.
1387 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1388 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1389   emacs_cv_speed_t=yes, emacs_cv_speed_t=no))
1390 if test $emacs_cv_speed_t = yes; then
1391   AC_DEFINE(HAVE_SPEED_T)
1392 fi
1393
1394 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1395 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1396 #include <sys/time.h>
1397 #include <time.h>
1398 #else
1399 #ifdef HAVE_SYS_TIME_H
1400 #include <sys/time.h>
1401 #else
1402 #include <time.h>
1403 #endif
1404 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1405   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1406 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1407 if test $emacs_cv_struct_timeval = yes; then
1408   AC_DEFINE(HAVE_TIMEVAL)
1409 fi
1410
1411 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1412 AC_TRY_COMPILE([#include <math.h>],
1413 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1414   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1415 HAVE_EXCEPTION=$emacs_cv_struct_exception
1416 if test $emacs_cv_struct_exception != yes; then
1417   AC_DEFINE(NO_MATHERR)
1418 fi
1419
1420 dnl checks for structure members
1421 AC_STRUCT_TM
1422 AC_STRUCT_TIMEZONE
1423 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1424 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1425   emacs_cv_tm_gmtoff=yes,
1426   emacs_cv_tm_gmtoff=no))
1427 if test $emacs_cv_tm_gmtoff = yes; then
1428   AC_DEFINE(HAVE_TM_GMTOFF)
1429 fi
1430
1431 dnl checks for compiler characteristics
1432
1433 dnl Testing __STDC__ to determine prototype support isn't good enough.
1434 dnl DEC C, for instance, doesn't define it with default options, and
1435 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1436 dnl and void *.
1437 AC_C_PROTOTYPES
1438 AC_C_VOLATILE
1439 AC_C_CONST
1440 dnl This isn't useful because we can't turn on use of `inline' unless
1441 dnl the compiler groks `extern inline'.
1442 dnl AC_C_INLINE
1443 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1444   [AC_TRY_COMPILE(, [void * foo;],
1445                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1446 if test $emacs_cv_void_star = yes; then
1447   AC_DEFINE(POINTER_TYPE, void)
1448 else
1449   AC_DEFINE(POINTER_TYPE, char)
1450 fi
1451
1452 dnl check for Make feature
1453 AC_PROG_MAKE_SET
1454
1455 dnl checks for operating system services
1456 AC_SYS_LONG_FILE_NAMES
1457
1458 #### Choose a window system.
1459
1460 AC_PATH_X
1461 if test "$no_x" = yes; then
1462   window_system=none
1463 else
1464   window_system=x11
1465 fi
1466
1467 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1468   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1469   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1470   x_default_search_path=""
1471   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1472     x_search_path="\
1473 ${x_library}/X11/%L/%T/%N%C%S:\
1474 ${x_library}/X11/%l/%T/%N%C%S:\
1475 ${x_library}/X11/%T/%N%C%S:\
1476 ${x_library}/X11/%L/%T/%N%S:\
1477 ${x_library}/X11/%l/%T/%N%S:\
1478 ${x_library}/X11/%T/%N%S"
1479     if test x"${x_default_search_path}" = x; then
1480       x_default_search_path=${x_search_path}
1481     else
1482       x_default_search_path="${x_search_path}:${x_default_search_path}"
1483     fi
1484   done
1485 fi
1486 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1487   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1488 fi
1489
1490 if test x"${x_includes}" = x; then
1491   bitmapdir=/usr/include/X11/bitmaps
1492 else
1493   # accumulate include directories that have X11 bitmap subdirectories
1494   bmd_acc="dummyval"
1495   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1496     if test -d "${bmd}/X11/bitmaps"; then
1497       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1498     fi
1499     if test -d "${bmd}/bitmaps"; then
1500       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1501     fi
1502   done
1503   if test ${bmd_acc} != "dummyval"; then
1504     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1505   fi
1506 fi
1507
1508 case "${window_system}" in
1509   x11 )
1510     HAVE_X_WINDOWS=yes
1511     HAVE_X11=yes
1512     case "${with_x_toolkit}" in
1513       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1514       motif ) USE_X_TOOLKIT=MOTIF ;;
1515 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1516       no ) USE_X_TOOLKIT=none ;;
1517 dnl If user did not say whether to use a toolkit,
1518 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1519       * ) USE_X_TOOLKIT=maybe ;;
1520     esac
1521   ;;
1522   none )
1523     HAVE_X_WINDOWS=no
1524     HAVE_X11=no
1525     USE_X_TOOLKIT=none
1526   ;;
1527 esac
1528
1529 ### If we're using X11, we should use the X menu package.
1530 HAVE_MENUS=no
1531 case ${HAVE_X11} in
1532   yes ) HAVE_MENUS=yes ;;
1533 esac
1534
1535 if test "${opsys}" = "hpux9"; then
1536   case "${x_libraries}" in
1537     *X11R4* )
1538       opsysfile="s/hpux9-x11r4.h"
1539       ;;
1540   esac
1541 fi
1542
1543 if test "${opsys}" = "hpux9shr"; then
1544   case "${x_libraries}" in
1545     *X11R4* )
1546       opsysfile="s/hpux9shxr4.h"
1547       ;;
1548   esac
1549 fi
1550
1551 ### Compute the unexec source name from the object name.
1552 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1553
1554 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1555 # Assume not, until told otherwise.
1556 GNU_MALLOC=yes
1557 doug_lea_malloc=yes
1558 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1559 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1560 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1561                emacs_cv_var___after_morecore_hook,
1562 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1563   emacs_cv_var___after_morecore_hook=yes,
1564   emacs_cv_var___after_morecore_hook=no)])
1565 if test $emacs_cv_var___after_morecore_hook = no; then
1566   doug_lea_malloc=no
1567 fi
1568 if test "${system_malloc}" = "yes"; then
1569   GNU_MALLOC=no
1570   GNU_MALLOC_reason="
1571     (The GNU allocators don't work with this system configuration.)"
1572 fi
1573 if test "$doug_lea_malloc" = "yes" ; then
1574   if test "$GNU_MALLOC" = yes ; then
1575     GNU_MALLOC_reason="
1576       (Using Doug Lea's new malloc from the GNU C Library.)"
1577   fi
1578   AC_DEFINE(DOUG_LEA_MALLOC)
1579 fi
1580
1581 if test x"${REL_ALLOC}" = x; then
1582   REL_ALLOC=${GNU_MALLOC}
1583 fi
1584
1585 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1586 dnl the system configuration file (s/*.h) to turn the use of mmap
1587 dnl in the relocating allocator on.
1588
1589 AC_FUNC_MMAP
1590 if test $use_mmap_for_buffers = yes; then
1591   REL_ALLOC=no
1592 fi
1593
1594 LIBS="$libsrc_libs $LIBS"
1595
1596 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1597 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1598 AC_CHECK_LIB(dnet, dnet_ntoa)
1599 dnl This causes -lresolv to get used in subsequent tests,
1600 dnl which causes failures on some systems such as HPUX 9.
1601 dnl AC_CHECK_LIB(resolv, gethostbyname)
1602
1603 dnl FIXME replace main with a function we actually want from this library.
1604 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1605
1606 AC_CHECK_LIB(pthreads, cma_open)
1607
1608 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1609 if test -d /usr/X386/include; then
1610   HAVE_XFREE386=yes
1611   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1612 else
1613   HAVE_XFREE386=no
1614 fi
1615 AC_MSG_RESULT($HAVE_XFREE386)
1616
1617 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1618 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1619
1620 REAL_CPPFLAGS="$CPPFLAGS"
1621
1622 if test "${HAVE_X11}" = "yes"; then
1623   DEFS="$C_SWITCH_X_SITE $DEFS"
1624   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1625   LIBS="$LIBX $LIBS"
1626   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1627   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1628
1629   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1630   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1631   # but it's more convenient here to set LD_RUN_PATH
1632   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1633   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1634     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1635     export LD_RUN_PATH
1636   fi
1637
1638   if test "${opsys}" = "gnu-linux"; then
1639     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1640     AC_TRY_LINK([],
1641      [XOpenDisplay ("foo");],
1642      [xlinux_first_failure=no],
1643      [xlinux_first_failure=yes])
1644     if test "${xlinux_first_failure}" = "yes"; then
1645       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1646       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1647       OLD_CPPFLAGS="$CPPFLAGS"
1648       OLD_LIBS="$LIBS"
1649       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1650       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1651       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1652       LIBS="$LIBS -b i486-linuxaout"
1653       AC_TRY_LINK([],
1654        [XOpenDisplay ("foo");],
1655        [xlinux_second_failure=no],
1656        [xlinux_second_failure=yes])
1657       if test "${xlinux_second_failure}" = "yes"; then
1658         # If we get the same failure with -b, there is no use adding -b.
1659         # So take it out.  This plays safe.
1660         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1661         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1662         CPPFLAGS="$OLD_CPPFLAGS"
1663         LIBS="$OLD_LIBS"
1664         AC_MSG_RESULT(no)
1665       else
1666         AC_MSG_RESULT(yes)
1667       fi
1668     else
1669       AC_MSG_RESULT(no)
1670     fi
1671   fi
1672
1673   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1674   # header files included from there.
1675   AC_MSG_CHECKING(for Xkb)
1676   AC_TRY_LINK([#include <X11/Xlib.h>
1677 #include <X11/XKBlib.h>],
1678         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1679         emacs_xkb=yes, emacs_xkb=no)
1680   AC_MSG_RESULT($emacs_xkb)
1681   if test $emacs_xkb = yes; then
1682     AC_DEFINE(HAVE_XKBGETKEYBOARD)
1683   fi
1684
1685   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1686 XScreenNumberOfScreen XSetWMProtocols)
1687 fi
1688
1689 if test "${window_system}" = "x11"; then
1690   AC_MSG_CHECKING(X11 version 6)
1691   AC_CACHE_VAL(emacs_cv_x11_version_6,
1692   [AC_TRY_LINK([#include <X11/Xlib.h>],
1693 [#if XlibSpecificationRelease < 6
1694 fail;
1695 #endif
1696 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1697   if test $emacs_cv_x11_version_6 = yes; then
1698     AC_MSG_RESULT(6 or newer)
1699     AC_DEFINE(HAVE_X11R6)
1700   else
1701     AC_MSG_RESULT(before 6)
1702   fi
1703 fi
1704
1705 if test "${window_system}" = "x11"; then
1706   AC_MSG_CHECKING(X11 version 5)
1707   AC_CACHE_VAL(emacs_cv_x11_version_5,
1708   [AC_TRY_LINK([#include <X11/Xlib.h>],
1709 [#if XlibSpecificationRelease < 5
1710 fail;
1711 #endif
1712 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
1713   if test $emacs_cv_x11_version_5 = yes; then
1714     AC_MSG_RESULT(5 or newer)
1715     HAVE_X11R5=yes
1716     AC_DEFINE(HAVE_X11R5)
1717   else
1718     HAVE_X11R5=no
1719     AC_MSG_RESULT(before 5)
1720   fi
1721 fi
1722
1723 dnl Do not put whitespace before the #include statements below.
1724 dnl Older compilers (eg sunos4 cc) choke on it.
1725 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1726   if test x"${HAVE_X11R5}" = xyes; then
1727     AC_MSG_CHECKING(X11 version 5 with Xaw)
1728     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1729     [AC_TRY_LINK([
1730 #include <X11/Intrinsic.h>
1731 #include <X11/Xaw/Simple.h>],
1732       [],
1733       emacs_cv_x11_version_5_with_xaw=yes,
1734       emacs_cv_x11_version_5_with_xaw=no)])
1735     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1736       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1737       USE_X_TOOLKIT=LUCID
1738     else
1739       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1740       USE_X_TOOLKIT=none
1741     fi
1742   else
1743     USE_X_TOOLKIT=none
1744   fi
1745 fi
1746
1747 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1748
1749 if test "${USE_X_TOOLKIT}" != "none"; then
1750   AC_MSG_CHECKING(X11 toolkit version)
1751   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1752   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1753 [#if XtSpecificationRelease < 6
1754 fail;
1755 #endif
1756 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1757   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1758   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1759     AC_MSG_RESULT(6 or newer)
1760     AC_DEFINE(HAVE_X11XTR6)
1761   else
1762     AC_MSG_RESULT(before 6)
1763   fi
1764
1765 dnl If using toolkit, check whether libXmu.a exists.
1766 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1767   OLDLIBS="$LIBS"
1768   if test x$HAVE_X11XTR6 = xyes; then
1769     LIBS="-lXt -lSM -lICE $LIBS"
1770   else
1771     LIBS="-lXt $LIBS"
1772   fi
1773   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1774   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1775 fi
1776
1777 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1778 if test "${HAVE_X11}" = "yes"; then
1779   if test "${USE_X_TOOLKIT}" != "none"; then
1780     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1781   fi
1782 fi
1783
1784 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1785   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1786   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1787     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1788 int x = 5;
1789 #else
1790 Motif version prior to 2.1.
1791 #endif],
1792     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1793   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1794   if test $emacs_cv_motif_version_2_1 = yes; then
1795     HAVE_LIBXP=no
1796     AC_DEFINE(HAVE_MOTIF_2_1)
1797     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1798     if test ${HAVE_LIBXP} = yes; then
1799       AC_DEFINE(HAVE_LIBXP)
1800     fi
1801   fi
1802 fi
1803
1804 ### Is -lXaw3d available?
1805 HAVE_XAW3D=no
1806 if test "${HAVE_X11}" = "yes"; then
1807   if test "${USE_X_TOOLKIT}" != "none"; then
1808     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1809         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes))
1810     if test "${HAVE_XAW3D}" = "yes"; then
1811         AC_DEFINE(HAVE_XAW3D)
1812     fi
1813   fi
1814 fi
1815
1816 dnl Use toolkit scroll bars if configured for X toolkit and either
1817 dnl using Motif or Xaw3d is available, and unless
1818 dnl --with-toolkit-scroll-bars=no was specified.
1819
1820 USE_TOOLKIT_SCROLL_BARS=no
1821 if test "${with_toolkit_scroll_bars}" != "no"; then
1822   if test "${USE_X_TOOLKIT}" != "none"; then
1823     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1824       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1825       HAVE_XAW3D=no
1826       USE_TOOLKIT_SCROLL_BARS=yes
1827     elif test "${HAVE_XAW3D}" = "yes"; then
1828       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1829       USE_TOOLKIT_SCROLL_BARS=yes
1830     fi
1831   fi
1832 fi
1833
1834 dnl Don't use X11 input methods if user specifies he doesn't want it
1835 dnl with `--with-xim=no'.
1836
1837 if test "${with_xim}" != "no"; then
1838   AC_DEFINE(USE_XIM)
1839 fi
1840
1841 ### Use -lXpm if available, unless `--with-xpm=no'.
1842 HAVE_XPM=no
1843 if test "${HAVE_X11}" = "yes"; then
1844   if test "${with_xpm}" != "no"; then
1845     AC_CHECK_HEADER(X11/xpm.h,
1846       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1847     if test "${HAVE_XPM}" = "yes"; then
1848       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1849       AC_EGREP_CPP(no_return_alloc_pixels,
1850       [#include "X11/xpm.h"
1851 #ifndef XpmReturnAllocPixels
1852 no_return_alloc_pixels
1853 #endif
1854       ], HAVE_XPM=no, HAVE_XPM=yes)
1855
1856       if test "${HAVE_XPM}" = "yes"; then
1857         AC_MSG_RESULT(yes)
1858       else
1859         AC_MSG_RESULT(no)
1860       fi
1861     fi
1862   fi
1863
1864   if test "${HAVE_XPM}" = "yes"; then
1865     AC_DEFINE(HAVE_XPM)
1866   fi
1867 fi
1868
1869 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1870 HAVE_JPEG=no
1871 if test "${HAVE_X11}" = "yes"; then
1872   if test "${with_jpeg}" != "no"; then
1873     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1874     dnl  HAVE_STDLIB_H.
1875     AC_CHECK_HEADER(jerror.h,
1876       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
1877   fi
1878
1879   if test "${HAVE_JPEG}" = "yes"; then
1880     AC_DEFINE(HAVE_JPEG)
1881   fi
1882 fi
1883
1884 ### Use -lpng if available, unless `--with-png=no'.
1885 HAVE_PNG=no
1886 if test "${HAVE_X11}" = "yes"; then
1887   if test "${with_png}" != "no"; then
1888     AC_CHECK_HEADER(png.h,
1889       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm))
1890   fi
1891
1892   if test "${HAVE_PNG}" = "yes"; then
1893     AC_DEFINE(HAVE_PNG)
1894   fi
1895 fi
1896
1897 ### Use -ltiff if available, unless `--with-tiff=no'.
1898 HAVE_TIFF=no
1899 if test "${HAVE_X11}" = "yes"; then
1900   if test "${with_tiff}" != "no"; then
1901     AC_CHECK_HEADER(tiffio.h,
1902       tifflibs="-lz -lm"
1903       # At least one tiff package requires the jpeg library.
1904       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1905       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1906   fi
1907
1908   if test "${HAVE_TIFF}" = "yes"; then
1909     AC_DEFINE(HAVE_TIFF)
1910   fi
1911 fi
1912
1913 ### Use -lgif if available, unless `--with-gif=no'.
1914 HAVE_GIF=no
1915 if test "${HAVE_X11}" = "yes"; then
1916   if test "${with_gif}" != "no"; then
1917     AC_CHECK_HEADER(gif_lib.h,
1918       AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes))
1919   fi
1920
1921   if test "${HAVE_GIF}" = "yes"; then
1922     AC_DEFINE(HAVE_GIF)
1923   fi
1924 fi
1925
1926 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1927 AC_CACHE_CHECK(whether netdb declares h_errno,
1928                emacs_cv_netdb_declares_h_errno,
1929 [AC_TRY_LINK([#include <netdb.h>],
1930   [return h_errno;],
1931   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
1932 if test $emacs_cv_netdb_declares_h_errno = yes; then
1933   AC_DEFINE(HAVE_H_ERRNO)
1934 fi
1935
1936 AC_FUNC_ALLOCA
1937
1938 # fmod, logb, and frexp are found in -lm on most systems.
1939 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1940 AC_CHECK_LIB(m, sqrt)
1941
1942 # Check for mail-locking functions in a "mail" library
1943 AC_CHECK_LIB(mail, maillock)
1944 dnl Debian, at least:
1945 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1946 AC_CHECK_LIB(lockfile, maillock)
1947 # If we have the shared liblockfile, assume we must use it for mail
1948 # locking (e.g. Debian).  If we couldn't link against liblockfile
1949 # (no liblockfile.a installed), ensure that we don't need to.
1950 if test "$ac_cv_lib_lockfile_maillock" = no; then
1951   dnl This works for files generally, not just executables.
1952   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1953   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1954                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1955   if test $ac_cv_prog_liblockfile = yes; then
1956     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1957 This probably means that movemail could lose mail.
1958 There may be a \`development' package to install containing liblockfile.])
1959   else AC_DEFINE(LIBMAIL, -llockfile)
1960   fi
1961   else :
1962 fi
1963 AC_CHECK_FUNCS(touchlock)
1964 AC_CHECK_HEADERS(maillock.h)
1965
1966 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1967 rename closedir mkdir rmdir sysinfo \
1968 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1969 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1970 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1971 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
1972 gai_strerror mkstemp)
1973
1974 AC_FUNC_MKTIME
1975 if test "$ac_cv_func_working_mktime" = no; then
1976   AC_DEFINE(BROKEN_MKTIME)
1977 fi
1978
1979 AC_FUNC_GETLOADAVG
1980
1981 AC_FUNC_FSEEKO
1982
1983 # UNIX98 PTYs.
1984 AC_CHECK_FUNCS(grantpt)
1985
1986 # PTY-related GNU extensions.
1987 AC_CHECK_FUNCS(getpt)
1988
1989 # Check this now, so that we will NOT find the above functions in ncurses.
1990 # That is because we have not set up to link ncurses in lib-src.
1991 # It's better to believe a function is not available
1992 # than to expect to find it in ncurses.
1993 AC_CHECK_LIB(ncurses, tparm)
1994
1995 # Do we need the Hesiod library to provide the support routines?
1996 if test "$with_hesiod" = yes ; then
1997   # Don't set $LIBS here -- see comments above.
1998   resolv=no
1999   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2000      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2001                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2002   if test "$resolv" = yes ; then
2003     RESOLVLIB=-lresolv
2004     AC_DEFINE(HAVE_LIBRESOLV)
2005   else
2006     RESOLVLIB=
2007   fi
2008   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2009         AC_DEFINE(HAVE_LIBHESIOD), :, $RESOLVLIB)])
2010 fi
2011
2012 # These tell us which Kerberos-related libraries to use.
2013 if test "${with_kerberos+set}" = set; then
2014   AC_CHECK_LIB(com_err, com_err)
2015   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2016   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2017   AC_CHECK_LIB(krb5, krb5_init_context)
2018   if test "${with_kerberos5+set}" != set; then
2019     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2020                  AC_CHECK_LIB(des, des_cbc_encrypt))
2021     AC_CHECK_LIB(krb4, krb_get_cred,,
2022                  AC_CHECK_LIB(krb, krb_get_cred))
2023   fi
2024
2025   if test "${with_kerberos5+set}" = set; then
2026     AC_CHECK_HEADERS(krb5.h)
2027   else
2028     AC_CHECK_HEADERS(des.h,,
2029                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2030                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2031     AC_CHECK_HEADERS(krb.h,,
2032                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2033                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2034   fi
2035   AC_CHECK_HEADERS(com_err.h)
2036 fi
2037
2038 # Solaris requires -lintl if you want strerror (which calls dgettext)
2039 # to return localized messages.
2040 AC_CHECK_LIB(intl, dgettext)
2041
2042 AC_MSG_CHECKING(whether localtime caches TZ)
2043 AC_CACHE_VAL(emacs_cv_localtime_cache,
2044 [if test x$ac_cv_func_tzset = xyes; then
2045 AC_TRY_RUN([#include <time.h>
2046 extern char **environ;
2047 unset_TZ ()
2048 {
2049   char **from, **to;
2050   for (to = from = environ; (*to = *from); from++)
2051     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2052       to++;
2053 }
2054 char TZ_GMT0[] = "TZ=GMT0";
2055 char TZ_PST8[] = "TZ=PST8";
2056 main()
2057 {
2058   time_t now = time ((time_t *) 0);
2059   int hour_GMT0, hour_unset;
2060   if (putenv (TZ_GMT0) != 0)
2061     exit (1);
2062   hour_GMT0 = localtime (&now)->tm_hour;
2063   unset_TZ ();
2064   hour_unset = localtime (&now)->tm_hour;
2065   if (putenv (TZ_PST8) != 0)
2066     exit (1);
2067   if (localtime (&now)->tm_hour == hour_GMT0)
2068     exit (1);
2069   unset_TZ ();
2070   if (localtime (&now)->tm_hour != hour_unset)
2071     exit (1);
2072   exit (0);
2073 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2074 [# If we have tzset, assume the worst when cross-compiling.
2075 emacs_cv_localtime_cache=yes])
2076 else
2077         # If we lack tzset, report that localtime does not cache TZ,
2078         # since we can't invalidate the cache if we don't have tzset.
2079         emacs_cv_localtime_cache=no
2080 fi])dnl
2081 AC_MSG_RESULT($emacs_cv_localtime_cache)
2082 if test $emacs_cv_localtime_cache = yes; then
2083   AC_DEFINE(LOCALTIME_CACHE)
2084 fi
2085
2086 if test "x$HAVE_TIMEVAL" = xyes; then
2087   AC_CHECK_FUNCS(gettimeofday)
2088   AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2089                  emacs_cv_gettimeofday_two_arguments,
2090   [AC_TRY_COMPILE([
2091 #ifdef TIME_WITH_SYS_TIME
2092 #include <sys/time.h>
2093 #include <time.h>
2094 #else
2095 #ifdef HAVE_SYS_TIME_H
2096 #include <sys/time.h>
2097 #else
2098 #include <time.h>
2099 #endif
2100 #endif],
2101     [struct timeval time;
2102      gettimeofday (&time, 0);],
2103     emacs_cv_gettimeofday_two_arguments=yes,
2104     emacs_cv_gettimeofday_two_arguments=no)])
2105   if test $emacs_cv_gettimeofday_two_arguments = no; then
2106     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2107   fi
2108 fi
2109
2110 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2111 if test "$ac_cv_func_gettimeofday" = yes; then
2112   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2113     [AC_TRY_COMPILE([#include <sys/time.h>],
2114     [struct timezone tz;],
2115     dnl It may be that we can't call gettimeofday with a non-null pointer,
2116     dnl even though we have struct timezone (e.g. HPUX).  In that case
2117     dnl we'll lie about struct timezone.
2118     [AC_TRY_RUN([
2119 #ifdef TIME_WITH_SYS_TIME
2120 #include <sys/time.h>
2121 #include <time.h>
2122 #else
2123 #ifdef HAVE_SYS_TIME_H
2124 #include <sys/time.h>
2125 #else
2126 #include <time.h>
2127 #endif
2128 #endif
2129 main () {
2130   struct timeval time;
2131   struct timezone dummy;
2132   exit (gettimeofday (&time, &dummy));
2133 }],
2134       emacs_cv_struct_timezone=yes,
2135       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2136     emacs_cv_struct_timezone=no)])
2137 fi
2138
2139 ok_so_far=yes
2140 AC_CHECK_FUNC(socket, , ok_so_far=no)
2141 if test $ok_so_far = yes; then
2142   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2143 fi
2144 if test $ok_so_far = yes; then
2145   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2146 fi
2147 if test $ok_so_far = yes; then
2148   AC_DEFINE(HAVE_INET_SOCKETS)
2149 fi
2150
2151 if test -f /usr/lpp/X11/bin/smt.exp; then
2152   AC_DEFINE(HAVE_AIX_SMT_EXP)
2153 fi
2154
2155 AC_MSG_CHECKING(whether system supports dynamic ptys)
2156 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2157   AC_MSG_RESULT(yes)
2158   AC_DEFINE(HAVE_DEV_PTMX)
2159 else
2160   AC_MSG_RESULT(no)
2161 fi
2162
2163 AC_FUNC_FORK
2164
2165 # Fixme: This should be replaced when we have autoconf 2.14.
2166 AC_SIZE_T
2167
2168 # Set up the CFLAGS for real compilation, so we can substitute it.
2169 CFLAGS="$REAL_CFLAGS"
2170 CPPFLAGS="$REAL_CPPFLAGS"
2171
2172 changequote(, )dnl
2173 #### Find out which version of Emacs this is.
2174 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
2175          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2176 changequote([, ])dnl
2177 if test x"${version}" = x; then
2178   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2179 fi
2180
2181 ### Specify what sort of things we'll be editing into Makefile and config.h.
2182 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2183 AC_SUBST(version)
2184 AC_SUBST(configuration)
2185 AC_SUBST(canonical)
2186 AC_SUBST(srcdir)
2187 AC_SUBST(prefix)
2188 AC_SUBST(exec_prefix)
2189 AC_SUBST(bindir)
2190 AC_SUBST(datadir)
2191 AC_SUBST(sharedstatedir)
2192 AC_SUBST(libexecdir)
2193 AC_SUBST(mandir)
2194 AC_SUBST(infodir)
2195 AC_SUBST(lispdir)
2196 AC_SUBST(locallisppath)
2197 AC_SUBST(lisppath)
2198 AC_SUBST(x_default_search_path)
2199 AC_SUBST(etcdir)
2200 AC_SUBST(archlibdir)
2201 AC_SUBST(docdir)
2202 AC_SUBST(bitmapdir)
2203 AC_SUBST(c_switch_system)
2204 AC_SUBST(c_switch_machine)
2205 AC_SUBST(LD_SWITCH_X_SITE)
2206 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2207 AC_SUBST(C_SWITCH_X_SITE)
2208 AC_SUBST(CFLAGS)
2209 AC_SUBST(X_TOOLKIT_TYPE)
2210 AC_SUBST(machfile)
2211 AC_SUBST(opsysfile)
2212 AC_SUBST(GETLOADAVG_LIBS)
2213
2214 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2215 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2216 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2217 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2218 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2219 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2220 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2221 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2222
2223 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2224   AC_DEFINE(HAVE_X_WINDOWS)
2225 fi
2226 if test "${USE_X_TOOLKIT}" != "none" ; then
2227   AC_DEFINE(USE_X_TOOLKIT)
2228 fi
2229 if test "${HAVE_X11}" = "yes" ; then
2230   AC_DEFINE(HAVE_X11)
2231 fi
2232 if test "${HAVE_XFREE386}" = "yes" ; then
2233   AC_DEFINE(HAVE_XFREE386)
2234 fi
2235 if test "${HAVE_MENUS}" = "yes" ; then
2236   AC_DEFINE(HAVE_MENUS)
2237 fi
2238 if test "${GNU_MALLOC}" = "yes" ; then
2239   AC_DEFINE(GNU_MALLOC)
2240 fi
2241 if test "${REL_ALLOC}" = "yes" ; then
2242   AC_DEFINE(REL_ALLOC)
2243 fi
2244
2245 AC_CHECK_HEADERS(nlist.h, [AC_DEFINE(NLIST_STRUCT, 1,
2246                  [Define if you have <nlist.h>.])])
2247
2248 #### Report on what we decided to do.
2249 echo "
2250 Configured for \`${canonical}'.
2251
2252   Where should the build process find the source code?    ${srcdir}
2253   What operating system and machine description files should Emacs use?
2254         \`${opsysfile}' and \`${machfile}'
2255   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2256   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2257   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2258   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
2259   What window system should Emacs use?                    ${window_system}
2260   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2261
2262 if test -n "${x_includes}"; then
2263 echo "  Where do we find X Windows header files?                ${x_includes}"
2264 else
2265 echo "  Where do we find X Windows header files?                Standard dirs"
2266 fi
2267 if test -n "${x_libraries}"; then
2268 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2269 else
2270 echo "  Where do we find X Windows libraries?                   Standard dirs"
2271 fi
2272
2273 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2274 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2275 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2276 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2277 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2278 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2279 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2280 echo
2281
2282 # Remove any trailing slashes in these variables.
2283 changequote(, )dnl
2284 test "${prefix}" != NONE &&
2285   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2286 test "${exec_prefix}" != NONE &&
2287   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2288 changequote([, ])dnl
2289
2290 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
2291 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2292 ## from Makefile.c can correctly provide the arg `-traditional' to the
2293 ## C preprocessor.
2294
2295 AC_EGREP_CPP(yes..yes,
2296         [yes..yes],
2297         CPP_NEED_TRADITIONAL=no,
2298         CPP_NEED_TRADITIONAL=yes)
2299
2300 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2301         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2302         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
2303
2304 ### Make the necessary directories, if they don't exist.
2305 for dir in etc lisp ; do
2306   test -d ${dir} || mkdir ${dir}
2307 done
2308
2309 # Build src/Makefile from ${srcdir}/src/Makefile.c
2310 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2311 # This must be done after src/config.h is built, since we rely on that file.
2312
2313 changequote(, )dnl The horror, the horror.
2314 # Now get this: Some word that is part of the ${srcdir} directory name
2315 # or the ${configuration} value might, just might, happen to be an
2316 # identifier like `sun4' or `i386' or something, and be predefined by
2317 # the C preprocessor to some helpful value like 1, or maybe the empty
2318 # string.  Needless to say consequent macro substitutions are less
2319 # than conducive to the makefile finding the correct directory.
2320 undefs="`echo $top_srcdir $configuration $canonical |
2321 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2322     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2323 `"
2324 changequote([, ])dnl
2325
2326 echo creating src/epaths.h
2327 ${MAKE-make} epaths-force
2328
2329 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2330 # `..' to `. .'  unless invoked with -traditional
2331
2332 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
2333   CPPFLAGS="$CPPFLAGS -traditional"
2334 fi
2335
2336 echo creating lib-src/Makefile
2337 ( cd lib-src
2338   rm -f junk.c junk1.c junk2.c
2339   sed -e '/start of cpp stuff/q' \
2340       < Makefile.c > junk1.c
2341   sed -e '1,/start of cpp stuff/d'\
2342       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2343       < Makefile.c > junk.c
2344   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2345       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2346   cat junk1.c junk2.c > Makefile.new
2347   rm -f junk.c junk1.c junk2.c
2348   chmod 444 Makefile.new
2349   mv -f Makefile.new Makefile
2350 )
2351
2352 echo creating src/Makefile
2353 ( cd src
2354   rm -f junk.c junk1.c junk2.c
2355   sed -e '/start of cpp stuff/q' \
2356       < Makefile.c > junk1.c
2357   sed -e '1,/start of cpp stuff/d'\
2358       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2359       < Makefile.c > junk.c
2360   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2361       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2362   cat junk1.c junk2.c > Makefile.new
2363   rm -f junk.c junk1.c junk2.c
2364   chmod 444 Makefile.new
2365   mv -f Makefile.new Makefile
2366 )
2367
2368 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
2369   echo creating src/.gdbinit
2370   echo source $srcdir/src/.gdbinit > src/.gdbinit
2371 fi
2372
2373 # This is how we know whether to re-run configure in certain cases.
2374 touch src/config.stamp
2375
2376 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
2377