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(2.50)dnl
  27 AC_INIT(src/lisp.h)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29
  30 lispdir='${datadir}/emacs/${version}/lisp'
  31 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  32 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
  33 lisppath='${locallisppath}:${lispdir}'
  34 etcdir='${datadir}/emacs/${version}/etc'
  35 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  36 docdir='${datadir}/emacs/${version}/etc'
  37
  38 AC_ARG_WITH(gcc,
  39 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  40 AC_ARG_WITH(pop,
  41 [  --without-pop           don't support POP mail retrieval with movemail],
  42 [if test "$withval" = yes; then
  43    AC_DEFINE(MAIL_USE_POP)
  44 else :
  45 fi],
  46 AC_DEFINE(MAIL_USE_POP))
  47 AC_ARG_WITH(kerberos,
  48 [  --with-kerberos         support Kerberos-authenticated POP],
  49 [AC_DEFINE(KERBEROS)])
  50 AC_ARG_WITH(kerberos5,
  51 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  52 [if test "${with_kerberos5+set}" = set; then
  53   if test "${with_kerberos+set}" != set; then
  54     with_kerberos=yes
  55     AC_DEFINE(KERBEROS)
  56   fi
  57 fi
  58 AC_DEFINE(KERBEROS5)])
  59 AC_ARG_WITH(hesiod,
  60 [  --with-hesiod           support Hesiod to get the POP server host],
  61 [AC_DEFINE(HESIOD)])
  62 dnl This should be the last --with option, because --with-x is
  63 dnl added later on when we find the path of X, and it's best to
  64 dnl keep them together visually.
  65 AC_ARG_WITH(x-toolkit,
  66 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  67 [         case "${withval}" in
  68             y | ye | yes )      val=athena ;;
  69             n | no )            val=no  ;;
  70             l | lu | luc | luci | lucid )       val=lucid ;;
  71             a | at | ath | athe | athen | athena )      val=athena ;;
  72             m | mo | mot | moti | motif )       val=motif ;;
  73 dnl These don't currently work.
  74 dnl         o | op | ope | open | open- | open-l | open-lo \
  75 dnl             | open-loo | open-look )        val=open-look ;;
  76             * )
  77 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  78 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  79 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  80 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  81 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  82             ;;
  83           esac
  84           with_x_toolkit=$val
  85 ])
  86 AC_ARG_WITH(xpm,
  87 [  --with-xpm              use -lXpm for displaying XPM images])
  88 AC_ARG_WITH(jpeg,
  89 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  90 AC_ARG_WITH(tiff,
  91 [  --with-tiff             use -ltiff for displaying TIFF images])
  92 AC_ARG_WITH(gif,
  93 [  --with-gif              use -lungif for displaying GIF images])
  94 AC_ARG_WITH(png,
  95 [  --with-png              use -lpng for displaying PNG images])
  96 AC_ARG_WITH(toolkit-scroll-bars,
  97 [  --without-toolkit-scroll-bars
  98                           don't use Motif or Xaw3d scroll bars])
  99 AC_ARG_WITH(xim,
 100 [  --without-xim           don't use X11 XIM])
 101
 102 #### Make srcdir absolute, if it isn't already.  It's important to
 103 #### avoid running the path through pwd unnecessarily, since pwd can
 104 #### give you automounter prefixes, which can go away.  We do all this
 105 #### so Emacs can find its files when run uninstalled.
 106 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 107 unset CDPATH
 108 case "${srcdir}" in
 109   /* ) ;;
 110   . )
 111     ## We may be able to use the $PWD environment variable to make this
 112     ## absolute.  But sometimes PWD is inaccurate.
 113     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".${PWD}"  ;
 114     then
 115       srcdir="$PWD"
 116     else
 117       srcdir="`(cd ${srcdir}; pwd)`"
 118     fi
 119   ;;
 120   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 121 esac
 122
 123 #### Check if the source directory already has a configured system in it.
 124 if test `pwd` != `(cd ${srcdir} && pwd)` \
 125    && test -f "${srcdir}/src/config.h" ; then
 126   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 127    as a build directory right now; it has been configured in its own
 128    right.  To configure in another directory as well, you MUST
 129    use GNU make.  If you do not have GNU make, then you must
 130    now do \`make distclean' in ${srcdir},
 131    and then run $0 again.])
 132
 133 changequote(, )dnl
 134   extrasub='/^VPATH[     ]*=/c\
 135 changequote([, ])dnl
 136 vpath %.c $(srcdir)\
 137 vpath %.h $(srcdir)\
 138 vpath %.y $(srcdir)\
 139 vpath %.l $(srcdir)\
 140 vpath %.s $(srcdir)\
 141 vpath %.in $(srcdir)\
 142 vpath %.texi $(srcdir)'
 143 fi
 144
 145 #### Given the configuration name, set machfile and opsysfile to the
 146 #### names of the m/*.h and s/*.h files we should use.
 147
 148 ### Canonicalize the configuration name.
 149
 150 AC_CANONICAL_HOST
 151 canonical=$host
 152 configuration=${host_alias-$host}
 153
 154 changequote(, )dnl
 155
 156 ### If you add support for a new configuration, add code to this
 157 ### switch statement to recognize your configuration name and select
 158 ### the appropriate operating system and machine description files.
 159
 160 ### You would hope that you could choose an m/*.h file pretty much
 161 ### based on the machine portion of the configuration name, and an s-
 162 ### file based on the operating system portion.  However, it turns out
 163 ### that each m/*.h file is pretty manufacturer-specific - for
 164 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 165 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 166 ### machines.  So we basically have to have a special case for each
 167 ### configuration name.
 168 ###
 169 ### As far as handling version numbers on operating systems is
 170 ### concerned, make sure things will fail in a fixable way.  If
 171 ### /etc/MACHINES doesn't say anything about version numbers, be
 172 ### prepared to handle anything reasonably.  If version numbers
 173 ### matter, be sure /etc/MACHINES says something about it.
 174 ###
 175 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 176 ### "System V Release 4"; he writes, "The old convention encouraged
 177 ### confusion between `system' and `release' levels'."
 178
 179 machine='' opsys='' unported=no
 180 case "${canonical}" in
 181
 182   ## NetBSD ports
 183   *-*-netbsd* )
 184     opsys=netbsd
 185     case "${canonical}" in
 186       alpha*-*-netbsd*) machine=alpha ;;
 187       i[3456]86-*-netbsd*) machine=intel386 ;;
 188       m68k-*-netbsd*)
 189                         # This is somewhat bogus.
 190                         machine=hp9000s300 ;;
 191       powerpc-apple-netbsd*) machine=macppc ;;
 192       mips-*-netbsd*)   machine=pmax ;;
 193       mipsel-*-netbsd*) machine=pmax ;;
 194       ns32k-*-netbsd*)  machine=ns32000 ;;
 195       powerpc-*-netbsd*) machine=macppc ;;
 196       sparc*-*-netbsd*) machine=sparc ;;
 197       vax-*-netbsd*)    machine=vax ;;
 198       arm-*-netbsd*)    machine=arm ;;
 199     esac
 200   ;;
 201
 202   ## OpenBSD ports
 203   *-*-openbsd* )
 204     opsys=openbsd
 205     case "${canonical}" in
 206       alpha*-*-openbsd*)        machine=alpha ;;
 207       i386-*-openbsd*)  machine=intel386 ;;
 208       m68k-*-openbsd*)  machine=hp9000s300 ;;
 209       mipsel-*-openbsd*) machine=pmax ;;
 210       ns32k-*-openbsd*) machine=ns32000 ;;
 211       sparc-*-openbsd*) machine=sparc ;;
 212       vax-*-openbsd*)   machine=vax ;;
 213     esac
 214   ;;
 215
 216   ## Acorn RISCiX:
 217   arm-acorn-riscix1.1* )
 218     machine=acorn opsys=riscix1-1
 219   ;;
 220   arm-acorn-riscix1.2* | arm-acorn-riscix )
 221     ## This name is riscix12 instead of riscix1.2
 222     ## to avoid a file name conflict on MSDOS.
 223     machine=acorn opsys=riscix12
 224   ;;
 225
 226   ## BSDI ports
 227   *-*-bsdi* )
 228     opsys=bsdi
 229     case "${canonical}" in
 230       i[345]86-*-bsdi*) machine=intel386 ;;
 231       sparc-*-bsdi*)  machine=sparc ;;
 232       powerpc-*-bsdi*)  machine=macppc ;;
 233     esac
 234     case "${canonical}" in
 235       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 236       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 237       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 238       *-*-bsdi3* )              opsys=bsdos3 ;;
 239       *-*-bsdi4* )              opsys=bsdos4 ;;
 240     esac
 241   ;;
 242
 243   ## Alliant machines
 244   ## Strictly speaking, we need the version of the alliant operating
 245   ## system to choose the right machine file, but currently the
 246   ## configuration name doesn't tell us enough to choose the right
 247   ## one; we need to give alliants their own operating system name to
 248   ## do this right.  When someone cares, they can help us.
 249   fx80-alliant-* )
 250     machine=alliant4 opsys=bsd4-2
 251   ;;
 252   i860-alliant-* )
 253     machine=alliant-2800 opsys=bsd4-3
 254   ;;
 255
 256   ## Alpha (DEC) machines.
 257   alpha*-dec-osf* )
 258     machine=alpha opsys=osf1
 259     # This is needed to find X11R6.1 libraries for certain tests.
 260     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 261     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 262     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 263     # due to non-traditional preprocessing with the current compiler
 264     # defaults.  OSF 4 can also have that compiler version, and there
 265     # seems always to have been a usable /usr/bin/cpp.
 266     NON_GNU_CPP=/usr/bin/cpp
 267     case "${canonical}" in
 268     alpha*-dec-osf[5-9]*)
 269       opsys=osf5-0 ;;
 270     esac
 271   ;;
 272
 273   alpha*-*-linux-gnu* )
 274     machine=alpha opsys=gnu-linux
 275   ;;
 276
 277   arm*-*-linux-gnu* )
 278     machine=arm opsys=gnu-linux
 279   ;;
 280
 281   ppc-*-linux | \
 282   powerpc-*-linux* )
 283     machine=macppc opsys=gnu-linux
 284   ;;
 285
 286   ## Altos 3068
 287   m68*-altos-sysv* )
 288     machine=altos opsys=usg5-2
 289   ;;
 290
 291   ## Amdahl UTS
 292   580-amdahl-sysv* )
 293     machine=amdahl opsys=usg5-2-2
 294   ;;
 295
 296   ## Apollo, Domain/OS
 297   m68*-apollo-* )
 298     machine=apollo opsys=bsd4-3
 299   ;;
 300
 301   ## AT&T 3b2, 3b5, 3b15, 3b20
 302   we32k-att-sysv* )
 303     machine=att3b opsys=usg5-2-2
 304   ;;
 305
 306   ## AT&T 3b1 - The Mighty Unix PC!
 307   m68*-att-sysv* )
 308     machine=7300 opsys=usg5-2-2
 309   ;;
 310
 311   ## Bull dpx20
 312   rs6000-bull-bosx* )
 313     machine=ibmrs6000 opsys=aix3-2
 314   ;;
 315
 316   ## Bull dpx2
 317   m68*-bull-sysv3* )
 318     machine=dpx2 opsys=usg5-3
 319   ;;
 320
 321   ## Bull sps7
 322   m68*-bull-sysv2* )
 323     machine=sps7 opsys=usg5-2
 324   ;;
 325
 326   ## CCI 5/32, 6/32 -- see "Tahoe".
 327
 328   ## Celerity
 329   ## I don't know what configuration name to use for this; config.sub
 330   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 331   ## in touch with us!
 332   celerity-celerity-bsd* )
 333     machine=celerity opsys=bsd4-2
 334   ;;
 335
 336   ## Clipper
 337   ## What operating systems does this chip run that Emacs has been
 338   ## tested on?
 339   clipper-* )
 340     machine=clipper
 341     ## We'll use the catch-all code at the bottom to guess the
 342     ## operating system.
 343   ;;
 344
 345   ## Convex
 346   *-convex-bsd* | *-convex-convexos* )
 347     machine=convex opsys=bsd4-3
 348     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 349     NON_GNU_CPP="cc -E -P"
 350   ;;
 351
 352   ## Cubix QBx/386
 353   i[3456]86-cubix-sysv* )
 354     machine=intel386 opsys=usg5-3
 355   ;;
 356
 357   ## Cydra 5
 358   cydra*-cydrome-sysv* )
 359     machine=cydra5 opsys=usg5-3
 360   ;;
 361
 362   ## Data General AViiON Machines
 363   ## DG changed naming conventions with the release of 5.4.4.10, they
 364   ## dropped the initial 5.4 but left the intervening R.  Because of the
 365   ## R this shouldn't conflict with older versions of the OS (which I
 366   ## think were named like dgux4.*). In addition, DG new AViiONs series
 367   ## uses either Motorola M88k or Intel Pentium CPUs.
 368   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 369     machine=aviion opsys=dgux4
 370   ;;
 371   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 372     ## This name is dgux5-4-3 instead of dgux5-4r3
 373     ## to avoid a file name conflict on MSDOS.
 374     machine=aviion opsys=dgux5-4-3
 375   ;;
 376   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 377     machine=aviion opsys=dgux5-4r2
 378   ;;
 379   m88k-dg-dgux* )
 380     machine=aviion opsys=dgux
 381   ;;
 382
 383   ## Data General AViiON Intel (x86) Machines
 384   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 385   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 386   i[345]86-dg-dguxR4* )
 387     machine=aviion-intel opsys=dgux4
 388   ;;
 389
 390   ## DECstations
 391   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 392     machine=pmax opsys=bsd4-2
 393   ;;
 394   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 395     machine=pmax opsys=bsd4-3
 396   ;;
 397   mips-dec-ultrix* )
 398     machine=pmax opsys=ultrix4-3
 399   ;;
 400   mips-dec-osf* )
 401     machine=pmax opsys=osf1
 402   ;;
 403   mips-dec-mach_bsd4.3* )
 404     machine=pmax opsys=mach-bsd4-3
 405   ;;
 406
 407   ## Motorola Delta machines
 408   m68k-motorola-sysv* | m68000-motorola-sysv* )
 409     machine=delta opsys=usg5-3
 410     if test -z "`type gnucc | grep 'not found'`"
 411     then
 412       if test -s /etc/167config
 413       then CC="gnucc -m68040"
 414       else CC="gnucc -m68881"
 415       fi
 416     else
 417       if test -z "`type gcc | grep 'not found'`"
 418       then CC=gcc
 419       else CC=cc
 420       fi
 421     fi
 422   ;;
 423   m88k-motorola-sysv4* )
 424     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 425     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 426     # I hope there are not other 4.0 versions for this machine
 427     # which really need usg5-4 instead.
 428     machine=delta88k opsys=usg5-4-2
 429   ;;
 430   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 431     machine=delta88k opsys=usg5-3
 432   ;;
 433
 434   ## Dual machines
 435   m68*-dual-sysv* )
 436     machine=dual opsys=usg5-2
 437   ;;
 438   m68*-dual-uniplus* )
 439     machine=dual opsys=unipl5-2
 440   ;;
 441
 442   ## Elxsi 6400
 443   elxsi-elxsi-sysv* )
 444     machine=elxsi opsys=usg5-2
 445   ;;
 446
 447   ## Encore machines
 448   ns16k-encore-bsd* )
 449     machine=ns16000 opsys=umax
 450   ;;
 451
 452   ## The GEC 63 - apparently, this port isn't really finished yet.
 453   #  I'm sure we finished off the last of the machines, though.  -- fx
 454
 455   ## Gould Power Node and NP1
 456   pn-gould-bsd4.2* )
 457     machine=gould opsys=bsd4-2
 458   ;;
 459   pn-gould-bsd4.3* )
 460     machine=gould opsys=bsd4-3
 461   ;;
 462   np1-gould-bsd* )
 463     machine=gould-np1 opsys=bsd4-3
 464   ;;
 465
 466   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 467   ## as far as Emacs is concerned).
 468   m88k-harris-cxux* )
 469     # Build needs to be different on 7.0 and later releases
 470     case "`uname -r`" in
 471        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 472        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 473     esac
 474     NON_GNU_CPP="/lib/cpp"
 475   ;;
 476   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 477   m68k-harris-cxux* )
 478     machine=nh3000 opsys=cxux
 479   ;;
 480   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 481   powerpc-harris-powerunix )
 482     machine=nh6000 opsys=powerunix
 483     NON_GNU_CPP="cc -Xo -E -P"
 484   ;;
 485   ## SR2001/SR2201 running HI-UX/MPP
 486   hppa1.1-hitachi-hiuxmpp* )
 487     machine=sr2k opsys=hiuxmpp
 488   ;;
 489   hppa1.1-hitachi-hiuxwe2* )
 490     machine=sr2k opsys=hiuxwe2
 491   ;;
 492   ## Honeywell XPS100
 493   xps*-honeywell-sysv* )
 494     machine=xps100 opsys=usg5-2
 495   ;;
 496
 497   ## HP 9000 series 200 or 300
 498   m68*-hp-bsd* )
 499     machine=hp9000s300 opsys=bsd4-3
 500   ;;
 501   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 502   m68*-hp-hpux* )
 503     case "`uname -r`" in
 504       ## Someone's system reports A.B8.05 for this.
 505       ## I wonder what other possibilities there are.
 506       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 507       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 508       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 509       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 510       *) machine=hp9000s300 opsys=hpux ;;
 511     esac
 512   ;;
 513
 514   ## HP 9000 series 700 and 800, running HP/UX
 515   hppa*-hp-hpux7* )
 516     machine=hp800 opsys=hpux
 517   ;;
 518   hppa*-hp-hpux8* )
 519     machine=hp800 opsys=hpux8
 520   ;;
 521   hppa*-hp-hpux9shr* )
 522     machine=hp800 opsys=hpux9shr
 523   ;;
 524   hppa*-hp-hpux9* )
 525     machine=hp800 opsys=hpux9
 526   ;;
 527   hppa*-hp-hpux10* )
 528     machine=hp800 opsys=hpux10
 529   ;;
 530   hppa*-hp-hpux1[1-9]* )
 531     machine=hp800 opsys=hpux11
 532   ;;
 533
 534   ## HP 9000 series 700 and 800, running HP/UX
 535   hppa*-hp-hpux* )
 536     ## Cross-compilation?  Nah!
 537     case "`uname -r`" in
 538       ## Someone's system reports A.B8.05 for this.
 539       ## I wonder what other possibilities there are.
 540       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 541       *.08.* ) machine=hp800 opsys=hpux8 ;;
 542       *.09.* ) machine=hp800 opsys=hpux9 ;;
 543       *) machine=hp800 opsys=hpux10 ;;
 544     esac
 545   ;;
 546   hppa*-*-nextstep* )
 547     machine=hp800 opsys=nextstep
 548   ;;
 549
 550   ## Orion machines
 551   orion-orion-bsd* )
 552     machine=orion opsys=bsd4-2
 553   ;;
 554   clipper-orion-bsd* )
 555     machine=orion105 opsys=bsd4-2
 556   ;;
 557
 558   ## IBM machines
 559   i[3456]86-ibm-aix1.1* )
 560     machine=ibmps2-aix opsys=usg5-2-2
 561   ;;
 562   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 563     machine=ibmps2-aix opsys=usg5-3
 564   ;;
 565   i370-ibm-aix*)
 566     machine=ibm370aix opsys=usg5-3
 567   ;;
 568   s390-*-linux-gnu)
 569     machine=ibms390 opsys=gnu-linux
 570   ;;
 571   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 572     machine=ibmrs6000 opsys=aix3-1
 573   ;;
 574   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 575     machine=ibmrs6000 opsys=aix3-2-5
 576   ;;
 577   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 578     machine=ibmrs6000 opsys=aix4-1
 579   ;;
 580   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 581     machine=ibmrs6000 opsys=aix4-2
 582   ;;
 583   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 584     machine=ibmrs6000 opsys=aix4
 585   ;;
 586   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 587     machine=ibmrs6000 opsys=aix4-1
 588   ;;
 589   rs6000-ibm-aix* | powerpc-ibm-aix* )
 590     machine=ibmrs6000 opsys=aix3-2
 591   ;;
 592   romp-ibm-bsd4.3* )
 593     machine=ibmrt opsys=bsd4-3
 594   ;;
 595   romp-ibm-bsd4.2* )
 596     machine=ibmrt opsys=bsd4-2
 597   ;;
 598   romp-ibm-aos4.3* )
 599     machine=ibmrt opsys=bsd4-3
 600   ;;
 601   romp-ibm-aos4.2* )
 602     machine=ibmrt opsys=bsd4-2
 603   ;;
 604   romp-ibm-aos* )
 605     machine=ibmrt opsys=bsd4-3
 606   ;;
 607   romp-ibm-bsd* )
 608     machine=ibmrt opsys=bsd4-3
 609   ;;
 610   romp-ibm-aix* )
 611     machine=ibmrt-aix opsys=usg5-2-2
 612   ;;
 613
 614   ## Integrated Solutions `Optimum V'
 615   m68*-isi-bsd4.2* )
 616     machine=isi-ov opsys=bsd4-2
 617   ;;
 618   m68*-isi-bsd4.3* )
 619     machine=isi-ov opsys=bsd4-3
 620   ;;
 621
 622   ## Intel 386 machines where we do care about the manufacturer
 623   i[3456]86-intsys-sysv* )
 624     machine=is386 opsys=usg5-2-2
 625   ;;
 626
 627   ## Prime EXL
 628   i[3456]86-prime-sysv* )
 629     machine=i386 opsys=usg5-3
 630   ;;
 631
 632   ## Sequent Symmetry running Dynix
 633   i[3456]86-sequent-bsd* )
 634     machine=symmetry opsys=bsd4-3
 635   ;;
 636
 637   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 638   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 639     machine=sequent-ptx opsys=ptx4
 640     NON_GNU_CPP=/lib/cpp
 641   ;;
 642
 643   ## Sequent Symmetry running DYNIX/ptx
 644   ## Use the old cpp rather than the newer ANSI one.
 645   i[3456]86-sequent-ptx* )
 646     machine=sequent-ptx opsys=ptx
 647     NON_GNU_CPP="/lib/cpp"
 648   ;;
 649
 650   ## ncr machine running svr4.3.
 651   i[3456]86-ncr-sysv4.3 )
 652     machine=ncr386 opsys=usg5-4-3
 653   ;;
 654
 655   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 656   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 657   i[3456]86-ncr-sysv* )
 658     machine=ncr386 opsys=usg5-4-2
 659   ;;
 660
 661   ## Intel Paragon OSF/1
 662   i860-intel-osf1* )
 663     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 664   ;;
 665
 666   ## Intel 860
 667   i860-*-sysv4* )
 668     machine=i860 opsys=usg5-4
 669     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 670     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 671   ;;
 672
 673   ## Macintosh PowerPC
 674   powerpc*-*-linux-gnu* )
 675     machine=macppc opsys=gnu-linux
 676   ;;
 677
 678   ## Masscomp machines
 679   m68*-masscomp-rtu* )
 680     machine=masscomp opsys=rtu
 681   ;;
 682
 683   ## Megatest machines
 684   m68*-megatest-bsd* )
 685     machine=mega68 opsys=bsd4-2
 686   ;;
 687
 688   ## Workstations sold by MIPS
 689   ## This is not necessarily all workstations using the MIPS processor -
 690   ## Irises are produced by SGI, and DECstations by DEC.
 691
 692   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 693   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 694   ## it gives for choosing between the alternatives seems to be "Use
 695   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 696   ## the BSD world."  I'll assume that these are instructions for
 697   ## handling two odd situations, and that every other situation
 698   ## should use mips.h and usg5-2-2, they being listed first.
 699   mips-mips-usg* )
 700     machine=mips4
 701     ## Fall through to the general code at the bottom to decide on the OS.
 702   ;;
 703   mips-mips-riscos4* )
 704     machine=mips4 opsys=bsd4-3
 705     NON_GNU_CC="cc -systype bsd43"
 706     NON_GNU_CPP="cc -systype bsd43 -E"
 707   ;;
 708   mips-mips-riscos5* )
 709     machine=mips4 opsys=riscos5
 710     NON_GNU_CC="cc -systype bsd43"
 711     NON_GNU_CPP="cc -systype bsd43 -E"
 712   ;;
 713   mips-mips-bsd* )
 714     machine=mips opsys=bsd4-3
 715   ;;
 716   mips-mips-* )
 717     machine=mips opsys=usg5-2-2
 718   ;;
 719
 720   ## NeXT
 721   m68*-next-* | m68k-*-nextstep* )
 722     machine=m68k opsys=nextstep
 723   ;;
 724
 725   ## The complete machine from National Semiconductor
 726   ns32k-ns-genix* )
 727     machine=ns32000 opsys=usg5-2
 728   ;;
 729
 730   ## NCR machines
 731   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 732     machine=tower32 opsys=usg5-2-2
 733   ;;
 734   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 735     machine=tower32v3 opsys=usg5-3
 736   ;;
 737
 738   ## NEC EWS4800
 739   mips-nec-sysv4*)
 740   machine=ews4800 opsys=ux4800
 741   ;;
 742
 743   ## Nixdorf Targon 31
 744   m68*-nixdorf-sysv* )
 745     machine=targon31 opsys=usg5-2-2
 746   ;;
 747
 748   ## Nu (TI or LMI)
 749   m68*-nu-sysv* )
 750     machine=nu opsys=usg5-2
 751   ;;
 752
 753   ## Plexus
 754   m68*-plexus-sysv* )
 755     machine=plexus opsys=usg5-2
 756   ;;
 757
 758   ## PowerPC reference platform
 759   powerpcle-*-solaris2* )
 760     machine=prep
 761     opsys=sol2-5
 762   ;;
 763
 764   ## Pyramid machines
 765   ## I don't really have any idea what sort of processor the Pyramid has,
 766   ## so I'm assuming it is its own architecture.
 767   pyramid-pyramid-bsd* )
 768     machine=pyramid opsys=bsd4-2
 769   ;;
 770
 771   ## Sequent Balance
 772   ns32k-sequent-bsd4.2* )
 773     machine=sequent opsys=bsd4-2
 774   ;;
 775   ns32k-sequent-bsd4.3* )
 776     machine=sequent opsys=bsd4-3
 777   ;;
 778
 779   ## Siemens Nixdorf
 780   mips-siemens-sysv* | mips-sni-sysv*)
 781     machine=mips-siemens opsys=usg5-4
 782     NON_GNU_CC=/usr/ccs/bin/cc
 783     NON_GNU_CPP=/usr/ccs/lib/cpp
 784   ;;
 785
 786   ## Silicon Graphics machines
 787   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 788   m68*-sgi-iris3.5* )
 789     machine=irist opsys=iris3-5
 790   ;;
 791   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 792     machine=irist opsys=iris3-6
 793   ;;
 794   ## Iris 4D
 795   mips-sgi-irix3* )
 796     machine=iris4d opsys=irix3-3
 797   ;;
 798   mips-sgi-irix4* )
 799     machine=iris4d opsys=irix4-0
 800   ;;
 801   mips-sgi-irix6.5 )
 802     machine=iris4d opsys=irix6-5
 803     # Without defining _LANGUAGE_C, things get masked out in the headers
 804     # so that, for instance, grepping for `free' in stdlib.h fails and
 805     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 806     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 807     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 808   ;;
 809   mips-sgi-irix6* )
 810     machine=iris4d opsys=irix6-0
 811     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 812     # but presumably it does no harm.
 813     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 814     # -32 probably isn't necessary in later v.6s -- anyone know which?
 815     NON_GCC_TEST_OPTIONS=-32
 816   ;;
 817   mips-sgi-irix5.[01]* )
 818     machine=iris4d opsys=irix5-0
 819   ;;
 820   mips-sgi-irix5* | mips-sgi-irix* )
 821     machine=iris4d opsys=irix5-2
 822   ;;
 823
 824   ## SONY machines
 825   m68*-sony-bsd4.2* )
 826     machine=news opsys=bsd4-2
 827   ;;
 828   m68*-sony-bsd4.3* )
 829     machine=news opsys=bsd4-3
 830   ;;
 831   m68*-sony-newsos3* | m68*-sony-news3*)
 832     machine=news opsys=bsd4-3
 833   ;;
 834   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 835     machine=news-risc opsys=bsd4-3
 836   ;;
 837   mips-sony-newsos6* )
 838     machine=news-r6 opsys=newsos6
 839   ;;
 840   mips-sony-news* )
 841     machine=news-risc opsys=newsos5
 842   ;;
 843
 844   ## Stride
 845   m68*-stride-sysv* )
 846     machine=stride opsys=usg5-2
 847   ;;
 848
 849   ## Suns
 850   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 851     machine=sparc opsys=gnu-linux
 852   ;;
 853
 854   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 855     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 856     | rs6000-*-solaris2*)
 857     case "${canonical}" in
 858       m68*-sunos1* )    machine=sun1 ;;
 859       m68*-sunos2* )    machine=sun2 ;;
 860       m68* )            machine=sun3 ;;
 861       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 862       i[3456]86-*-* )     machine=intel386 ;;
 863       powerpcle* )      machine=powerpcle ;;
 864       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 865       sparc* )          machine=sparc ;;
 866       * )               unported=yes ;;
 867     esac
 868     case "${canonical}" in
 869       ## The Sun386 didn't get past 4.0.
 870       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 871       *-sunos4.0*         ) opsys=sunos4-0 ;;
 872       *-sunos4.1.[3-9]*noshare )
 873                 ## This name is sunos413 instead of sunos4-1-3
 874                 ## to avoid a file name conflict on MSDOS.
 875                 opsys=sunos413
 876                 NON_GNU_CPP=/usr/lib/cpp
 877                 NON_GCC_TEST_OPTIONS=-Bstatic
 878                 GCC_TEST_OPTIONS=-static
 879                 ;;
 880       *-sunos4.1.[3-9]* | *-sunos4shr*)
 881                 opsys=sunos4shr
 882                 NON_GNU_CPP=/usr/lib/cpp
 883                 ;;
 884       *-sunos4* | *-sunos )
 885                 opsys=sunos4-1
 886                 NON_GCC_TEST_OPTIONS=-Bstatic
 887                 GCC_TEST_OPTIONS=-static
 888                 ;;
 889       *-sunos5.3* | *-solaris2.3* )
 890                 opsys=sol2-3
 891                 NON_GNU_CPP=/usr/ccs/lib/cpp
 892                 ;;
 893       *-sunos5.4* | *-solaris2.4* )
 894                 opsys=sol2-4
 895                 NON_GNU_CPP=/usr/ccs/lib/cpp
 896                 RANLIB="ar -ts"
 897                 ;;
 898       *-sunos5.5* | *-solaris2.5* )
 899                 opsys=sol2-5
 900                 NON_GNU_CPP=/usr/ccs/lib/cpp
 901                 RANLIB="ar -ts"
 902                 ;;
 903       *-sunos5* | *-solaris* )
 904                 opsys=sol2-5
 905                 NON_GNU_CPP=/usr/ccs/lib/cpp
 906                 ;;
 907       *                   ) opsys=bsd4-2   ;;
 908     esac
 909     ## Watch out for a compiler that we know will not work.
 910     case "${canonical}" in
 911      *-solaris* | *-sunos5* )
 912                 if [ "x$CC" = x/usr/ucb/cc ]; then
 913                   ## /usr/ucb/cc doesn't work;
 914                   ## we should find some other compiler that does work.
 915                   unset CC
 916                 fi
 917                 ;;
 918       *) ;;
 919     esac
 920   ;;
 921   sparc-*-nextstep* )
 922     machine=sparc opsys=nextstep
 923   ;;
 924
 925   ## Tadpole 68k
 926   m68*-tadpole-sysv* )
 927     machine=tad68k opsys=usg5-3
 928   ;;
 929
 930   ## Tahoe machines
 931   tahoe-tahoe-bsd4.2* )
 932     machine=tahoe opsys=bsd4-2
 933   ;;
 934   tahoe-tahoe-bsd4.3* )
 935     machine=tahoe opsys=bsd4-3
 936   ;;
 937
 938   ## Tandem Integrity S2
 939   mips-tandem-sysv* )
 940     machine=tandem-s2 opsys=usg5-3
 941   ;;
 942
 943   ## Tektronix XD88
 944   m88k-tektronix-sysv3* )
 945   machine=tekxd88 opsys=usg5-3
 946   ;;
 947
 948   ## Tektronix 16000 box (6130?)
 949   ns16k-tektronix-bsd* )
 950     machine=ns16000 opsys=bsd4-2
 951   ;;
 952   ## Tektronix 4300
 953   ## src/m/tek4300.h hints that this is a m68k machine.
 954   m68*-tektronix-bsd* )
 955     machine=tek4300 opsys=bsd4-3
 956   ;;
 957
 958   ## Titan P2 or P3
 959   ## We seem to have lost the machine-description file titan.h!
 960   titan-titan-sysv* )
 961     machine=titan opsys=usg5-3
 962   ;;
 963
 964   ## Ustation E30 (SS5E)
 965   m68*-unisys-uniplus* )
 966     machine=ustation opsystem=unipl5-2
 967   ;;
 968
 969   ## Vaxen.
 970   vax-dec-* )
 971     machine=vax
 972     case "${canonical}" in
 973       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 974       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 975       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 976       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 977       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 978       *-vms* )                                          opsys=vms ;;
 979       * )                                               unported=yes
 980     esac
 981   ;;
 982
 983   ## Whitechapel MG1
 984   ns16k-whitechapel-* )
 985     machine=mg1
 986     ## We don't know what sort of OS runs on these; we'll let the
 987     ## operating system guessing code below try.
 988   ;;
 989
 990   ## Wicat
 991   m68*-wicat-sysv* )
 992     machine=wicat opsys=usg5-2
 993   ;;
 994
 995   ## IA-64
 996   ia64*-*-linux* )
 997     machine=ia64 opsys=gnu-linux
 998   ;;
 999
1000   ## Intel 386 machines where we don't care about the manufacturer
1001   i[3456]86-*-* )
1002     machine=intel386
1003     case "${canonical}" in
1004       *-lynxos* )               opsys=lynxos ;;
1005       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1006       *-isc2.2* )               opsys=isc2-2 ;;
1007       *-isc4.0* )               opsys=isc4-0 ;;
1008       *-isc4.* )                opsys=isc4-1
1009                                 GCC_TEST_OPTIONS=-posix
1010                                 NON_GCC_TEST_OPTIONS=-Xp
1011                                 ;;
1012       *-isc* )                  opsys=isc3-0 ;;
1013       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1014       *-esix* )                 opsys=esix ;;
1015       *-xenix* )                opsys=xenix ;;
1016       *-linux-gnu* )            opsys=gnu-linux ;;
1017       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1018       *-sco3.2v5* )             opsys=sco5
1019                                 NON_GNU_CPP=/lib/cpp
1020                                 # Prevent -belf from being passed to $CPP.
1021                                 # /lib/cpp does not accept it.
1022                                 OVERRIDE_CPPFLAGS=" "
1023                                 ;;
1024       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1025       *-386bsd* )               opsys=386bsd ;;
1026       *-freebsd* )              opsys=freebsd ;;
1027       *-nextstep* )             opsys=nextstep ;;
1028       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1029     esac
1030   ;;
1031
1032   ## m68k Linux-based GNU system
1033   m68k-*-linux-gnu* )
1034     machine=m68k opsys=gnu-linux
1035   ;;
1036
1037   ## Mips Linux-based GNU system
1038   mips-*-linux-gnu* )
1039     machine=mips opsys=gnu-linux
1040   ;;
1041
1042   ## UXP/DS
1043   sparc-fujitsu-sysv4* )
1044     machine=sparc opsys=uxpds
1045     NON_GNU_CPP=/usr/ccs/lib/cpp
1046     RANLIB="ar -ts"
1047   ;;
1048
1049   ## UXP/V
1050   f301-fujitsu-uxpv4.1)
1051     machine=f301 opsys=uxpv
1052   ;;
1053
1054   * )
1055     unported=yes
1056   ;;
1057 esac
1058
1059 ### If the code above didn't choose an operating system, just choose
1060 ### an operating system based on the configuration name.  You really
1061 ### only want to use this when you have no idea what the right
1062 ### operating system is; if you know what operating systems a machine
1063 ### runs, it's cleaner to make it explicit in the case statement
1064 ### above.
1065 if test x"${opsys}" = x; then
1066   case "${canonical}" in
1067     *-gnu* )                            opsys=gnu ;;
1068     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1069     *-bsd4.2 )                          opsys=bsd4-2 ;;
1070     *-bsd4.3 )                          opsys=bsd4-3 ;;
1071     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1072     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1073     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1074     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1075     *-sysv4.2uw* )                      opsys=unixware ;;
1076     *-sysv4.1* | *-sysvr4.1* )
1077         NON_GNU_CPP=/usr/lib/cpp
1078         opsys=usg5-4 ;;
1079     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1080         if [ x$NON_GNU_CPP = x ]; then
1081           if [ -f /usr/ccs/lib/cpp ]; then
1082             NON_GNU_CPP=/usr/ccs/lib/cpp
1083           else
1084             NON_GNU_CPP=/lib/cpp
1085           fi
1086         fi
1087         opsys=usg5-4-2 ;;
1088     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1089     * )
1090       unported=yes
1091     ;;
1092   esac
1093 fi
1094
1095 changequote([, ])dnl
1096
1097 if test $unported = yes; then
1098   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1099 Check \`etc/MACHINES' for recognized configuration names.])
1100 fi
1101
1102 machfile="m/${machine}.h"
1103 opsysfile="s/${opsys}.h"
1104
1105
1106 #### Choose a compiler.
1107 test -n "$CC" && cc_specified=yes
1108
1109 # Save the value of CFLAGS that the user specified.
1110 SPECIFIED_CFLAGS="$CFLAGS"
1111
1112 case ${with_gcc} in
1113   "yes" ) CC="gcc" GCC=yes ;;
1114   "no"  ) : ${CC=cc} ;;
1115   * )
1116 esac
1117 AC_PROG_CC
1118
1119 # On Suns, sometimes $CPP names a directory.
1120 if test -n "$CPP" && test -d "$CPP"; then
1121   CPP=
1122 fi
1123
1124 #### Some systems specify a CPP to use unless we are using GCC.
1125 #### Now that we know whether we are using GCC, we can decide whether
1126 #### to use that one.
1127 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1128 then
1129   CPP="$NON_GNU_CPP"
1130 fi
1131
1132 #### Some systems specify a CC to use unless we are using GCC.
1133 #### Now that we know whether we are using GCC, we can decide whether
1134 #### to use that one.
1135 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1136   test x$cc_specified != xyes
1137 then
1138   CC="$NON_GNU_CC"
1139 fi
1140
1141 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1142 then
1143   CC="$CC $GCC_TEST_OPTIONS"
1144 fi
1145
1146 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1147 then
1148   CC="$CC $NON_GCC_TEST_OPTIONS"
1149 fi
1150
1151 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1152 then
1153   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1154 fi
1155
1156 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1157 then
1158   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1159 fi
1160
1161 #### Some other nice autoconf tests.  If you add a test here which
1162 #### should make an entry in src/config.h, don't forget to add an
1163 #### #undef clause to src/config.h.in for autoconf to modify.
1164
1165 dnl checks for programs
1166 AC_PROG_LN_S
1167 AC_PROG_CPP
1168 AC_PROG_INSTALL
1169 AC_PROG_YACC
1170 if test "x$RANLIB" = x; then
1171   AC_PROG_RANLIB
1172 fi
1173
1174 dnl checks for Unix variants
1175 AC_AIX
1176
1177 #### Extract some information from the operating system and machine files.
1178
1179 AC_CHECKING([the machine- and system-dependent files to find out
1180  - which libraries the lib-src programs will want, and
1181  - whether the GNU malloc routines are usable])
1182
1183 ### First figure out CFLAGS (which we use for running the compiler here)
1184 ### and REAL_CFLAGS (which we use for real compilation).
1185 ### The two are the same except on a few systems, where they are made
1186 ### different to work around various lossages.  For example,
1187 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1188 ### as implying static linking.
1189
1190 ### If the CFLAGS env var is specified, we use that value
1191 ### instead of the default.
1192
1193 ### It's not important that this name contain the PID; you can't run
1194 ### two configures in the same directory and have anything work
1195 ### anyway.
1196 tempcname="conftest.c"
1197
1198 echo '
1199 #include "'${srcdir}'/src/'${opsysfile}'"
1200 #include "'${srcdir}'/src/'${machfile}'"
1201 #ifndef LIBS_MACHINE
1202 #define LIBS_MACHINE
1203 #endif
1204 #ifndef LIBS_SYSTEM
1205 #define LIBS_SYSTEM
1206 #endif
1207 #ifndef C_SWITCH_SYSTEM
1208 #define C_SWITCH_SYSTEM
1209 #endif
1210 #ifndef C_SWITCH_MACHINE
1211 #define C_SWITCH_MACHINE
1212 #endif
1213 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1214 configure___ c_switch_system=C_SWITCH_SYSTEM
1215 configure___ c_switch_machine=C_SWITCH_MACHINE
1216
1217 #ifndef LIB_X11_LIB
1218 #define LIB_X11_LIB -lX11
1219 #endif
1220
1221 #ifndef LIBX11_MACHINE
1222 #define LIBX11_MACHINE
1223 #endif
1224
1225 #ifndef LIBX11_SYSTEM
1226 #define LIBX11_SYSTEM
1227 #endif
1228 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1229
1230 #ifdef UNEXEC
1231 configure___ unexec=UNEXEC
1232 #else
1233 configure___ unexec=unexec.o
1234 #endif
1235
1236 #ifdef SYSTEM_MALLOC
1237 configure___ system_malloc=yes
1238 #else
1239 configure___ system_malloc=no
1240 #endif
1241
1242 #ifdef USE_MMAP_FOR_BUFFERS
1243 configure___ use_mmap_for_buffers=yes
1244 #else
1245 configure___ use_mmap_for_buffers=no
1246 #endif
1247
1248 #ifndef C_DEBUG_SWITCH
1249 #define C_DEBUG_SWITCH -g
1250 #endif
1251
1252 #ifndef C_OPTIMIZE_SWITCH
1253 #ifdef __GNUC__
1254 #define C_OPTIMIZE_SWITCH -O2
1255 #else
1256 #define C_OPTIMIZE_SWITCH -O
1257 #endif
1258 #endif
1259
1260 #ifndef LD_SWITCH_MACHINE
1261 #define LD_SWITCH_MACHINE
1262 #endif
1263
1264 #ifndef LD_SWITCH_SYSTEM
1265 #define LD_SWITCH_SYSTEM
1266 #endif
1267
1268 #ifndef LD_SWITCH_X_SITE_AUX
1269 #define LD_SWITCH_X_SITE_AUX
1270 #endif
1271
1272 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1273 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1274
1275 #ifdef THIS_IS_CONFIGURE
1276
1277 /* Get the CFLAGS for tests in configure.  */
1278 #ifdef __GNUC__
1279 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1280 #else
1281 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1282 #endif
1283
1284 #else /* not THIS_IS_CONFIGURE */
1285
1286 /* Get the CFLAGS for real compilation.  */
1287 #ifdef __GNUC__
1288 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1289 #else
1290 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1291 #endif
1292
1293 #endif /* not THIS_IS_CONFIGURE */
1294 ' > ${tempcname}
1295
1296 # The value of CPP is a quoted variable reference, so we need to do this
1297 # to get its actual value...
1298 CPP=`eval "echo $CPP"`
1299 changequote(, )dnl
1300 eval `${CPP} -Isrc ${tempcname} \
1301        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1302 if test "x$SPECIFIED_CFLAGS" = x; then
1303   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1304          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1305 else
1306   REAL_CFLAGS="$CFLAGS"
1307 fi
1308 changequote([, ])dnl
1309 rm ${tempcname}
1310
1311 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1312
1313 ### Make sure subsequent tests use flags consistent with the build flags.
1314
1315 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1316   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1317 else
1318   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1319 fi
1320
1321 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1322 AC_SYS_LARGEFILE
1323
1324 # Sound support for GNU/Linux and the free BSDs.
1325 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1326 # Emulation library used on NetBSD.
1327 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1328 AC_SUBST(LIBSOUND)
1329
1330 dnl checks for header files
1331 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1332   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1333   termcap.h stdio_ext.h fcntl.h term.h strings.h)
1334 AC_HEADER_STDC
1335 AC_HEADER_TIME
1336 AC_DECL_SYS_SIGLIST
1337 AC_HEADER_SYS_WAIT
1338
1339 dnl Some systems have utime.h but don't declare the struct anyplace.
1340 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1341 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1342 #include <sys/time.h>
1343 #include <time.h>
1344 #else
1345 #ifdef HAVE_SYS_TIME_H
1346 #include <sys/time.h>
1347 #else
1348 #include <time.h>
1349 #endif
1350 #endif
1351 #ifdef HAVE_UTIME_H
1352 #include <utime.h>
1353 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1354   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1355 if test $emacs_cv_struct_utimbuf = yes; then
1356   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1357 fi
1358
1359 dnl checks for typedefs
1360 AC_TYPE_SIGNAL
1361
1362 dnl Check for speed_t typedef.
1363 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1364 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1365   emacs_cv_speed_t=yes, emacs_cv_speed_t=no))
1366 if test $emacs_cv_speed_t = yes; then
1367   AC_DEFINE(HAVE_SPEED_T)
1368 fi
1369
1370 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1371 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1372 #include <sys/time.h>
1373 #include <time.h>
1374 #else
1375 #ifdef HAVE_SYS_TIME_H
1376 #include <sys/time.h>
1377 #else
1378 #include <time.h>
1379 #endif
1380 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1381   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1382 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1383 if test $emacs_cv_struct_timeval = yes; then
1384   AC_DEFINE(HAVE_TIMEVAL)
1385 fi
1386
1387 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1388 AC_TRY_COMPILE([#include <math.h>],
1389 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1390   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1391 HAVE_EXCEPTION=$emacs_cv_struct_exception
1392 if test $emacs_cv_struct_exception != yes; then
1393   AC_DEFINE(NO_MATHERR)
1394 fi
1395
1396 dnl checks for structure members
1397 AC_STRUCT_TM
1398 AC_STRUCT_TIMEZONE
1399 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1400 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1401   emacs_cv_tm_gmtoff=yes,
1402   emacs_cv_tm_gmtoff=no))
1403 if test $emacs_cv_tm_gmtoff = yes; then
1404   AC_DEFINE(HAVE_TM_GMTOFF)
1405 fi
1406
1407 dnl checks for compiler characteristics
1408
1409 dnl Testing __STDC__ to determine prototype support isn't good enough.
1410 dnl DEC C, for instance, doesn't define it with default options, and
1411 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1412 dnl and void *.
1413 AC_C_PROTOTYPES
1414 AC_C_VOLATILE
1415 AC_C_CONST
1416 dnl This isn't useful because we can't turn on use of `inline' unless
1417 dnl the compiler groks `extern inline'.
1418 dnl AC_C_INLINE
1419 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1420   [AC_TRY_COMPILE(, [void * foo;],
1421                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1422 if test $emacs_cv_void_star = yes; then
1423   AC_DEFINE(POINTER_TYPE, void)
1424 else
1425   AC_DEFINE(POINTER_TYPE, char)
1426 fi
1427
1428 dnl check for Make feature
1429 AC_PROG_MAKE_SET
1430
1431 dnl checks for operating system services
1432 AC_SYS_LONG_FILE_NAMES
1433
1434 #### Choose a window system.
1435
1436 AC_PATH_X
1437 if test "$no_x" = yes; then
1438   window_system=none
1439 else
1440   window_system=x11
1441 fi
1442
1443 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1444   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1445   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1446   x_default_search_path=""
1447   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1448     x_search_path="\
1449 ${x_library}/X11/%L/%T/%N%C%S:\
1450 ${x_library}/X11/%l/%T/%N%C%S:\
1451 ${x_library}/X11/%T/%N%C%S:\
1452 ${x_library}/X11/%L/%T/%N%S:\
1453 ${x_library}/X11/%l/%T/%N%S:\
1454 ${x_library}/X11/%T/%N%S"
1455     if test x"${x_default_search_path}" = x; then
1456       x_default_search_path=${x_search_path}
1457     else
1458       x_default_search_path="${x_search_path}:${x_default_search_path}"
1459     fi
1460   done
1461 fi
1462 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1463   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1464 fi
1465
1466 if test x"${x_includes}" = x; then
1467   bitmapdir=/usr/include/X11/bitmaps
1468 else
1469   # accumulate include directories that have X11 bitmap subdirectories
1470   bmd_acc="dummyval"
1471   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1472     if test -d "${bmd}/X11/bitmaps"; then
1473       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1474     fi
1475     if test -d "${bmd}/bitmaps"; then
1476       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1477     fi
1478   done
1479   if test ${bmd_acc} != "dummyval"; then
1480     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1481   fi
1482 fi
1483
1484 case "${window_system}" in
1485   x11 )
1486     HAVE_X_WINDOWS=yes
1487     HAVE_X11=yes
1488     case "${with_x_toolkit}" in
1489       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1490       motif ) USE_X_TOOLKIT=MOTIF ;;
1491 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1492       no ) USE_X_TOOLKIT=none ;;
1493 dnl If user did not say whether to use a toolkit,
1494 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1495       * ) USE_X_TOOLKIT=maybe ;;
1496     esac
1497   ;;
1498   none )
1499     HAVE_X_WINDOWS=no
1500     HAVE_X11=no
1501     USE_X_TOOLKIT=none
1502   ;;
1503 esac
1504
1505 ### If we're using X11, we should use the X menu package.
1506 HAVE_MENUS=no
1507 case ${HAVE_X11} in
1508   yes ) HAVE_MENUS=yes ;;
1509 esac
1510
1511 if test "${opsys}" = "hpux9"; then
1512   case "${x_libraries}" in
1513     *X11R4* )
1514       opsysfile="s/hpux9-x11r4.h"
1515       ;;
1516   esac
1517 fi
1518
1519 if test "${opsys}" = "hpux9shr"; then
1520   case "${x_libraries}" in
1521     *X11R4* )
1522       opsysfile="s/hpux9shxr4.h"
1523       ;;
1524   esac
1525 fi
1526
1527 ### Compute the unexec source name from the object name.
1528 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1529
1530 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1531 # Assume not, until told otherwise.
1532 GNU_MALLOC=yes
1533 doug_lea_malloc=yes
1534 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1535 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1536 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1537                emacs_cv_var___after_morecore_hook,
1538 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1539   emacs_cv_var___after_morecore_hook=yes,
1540   emacs_cv_var___after_morecore_hook=no)])
1541 if test $emacs_cv_var___after_morecore_hook = no; then
1542   doug_lea_malloc=no
1543 fi
1544 if test "${system_malloc}" = "yes"; then
1545   GNU_MALLOC=no
1546   GNU_MALLOC_reason="
1547     (The GNU allocators don't work with this system configuration.)"
1548 fi
1549 if test "$doug_lea_malloc" = "yes" ; then
1550   if test "$GNU_MALLOC" = yes ; then
1551     GNU_MALLOC_reason="
1552       (Using Doug Lea's new malloc from the GNU C Library.)"
1553   fi
1554   AC_DEFINE(DOUG_LEA_MALLOC)
1555 fi
1556
1557 if test x"${REL_ALLOC}" = x; then
1558   REL_ALLOC=${GNU_MALLOC}
1559 fi
1560
1561 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1562 dnl the system configuration file (s/*.h) to turn the use of mmap
1563 dnl in the relocating allocator on.
1564
1565 AC_FUNC_MMAP
1566 if test $use_mmap_for_buffers = yes; then
1567   REL_ALLOC=no
1568 fi
1569
1570 LIBS="$libsrc_libs $LIBS"
1571
1572 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1573 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1574 AC_CHECK_LIB(dnet, dnet_ntoa)
1575 dnl This causes -lresolv to get used in subsequent tests,
1576 dnl which causes failures on some systems such as HPUX 9.
1577 dnl AC_CHECK_LIB(resolv, gethostbyname)
1578
1579 dnl FIXME replace main with a function we actually want from this library.
1580 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1581
1582 AC_CHECK_LIB(pthreads, cma_open)
1583
1584 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1585 if test -d /usr/X386/include; then
1586   HAVE_XFREE386=yes
1587   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1588 else
1589   HAVE_XFREE386=no
1590 fi
1591 AC_MSG_RESULT($HAVE_XFREE386)
1592
1593 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1594 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1595
1596 REAL_CPPFLAGS="$CPPFLAGS"
1597
1598 if test "${HAVE_X11}" = "yes"; then
1599   DEFS="$C_SWITCH_X_SITE $DEFS"
1600   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1601   LIBS="$LIBX $LIBS"
1602   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1603   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1604
1605   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1606   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1607   # but it's more convenient here to set LD_RUN_PATH
1608   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1609   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1610     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1611     export LD_RUN_PATH
1612   fi
1613
1614   if test "${opsys}" = "gnu-linux"; then
1615     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1616     AC_TRY_LINK([],
1617      [XOpenDisplay ("foo");],
1618      [xlinux_first_failure=no],
1619      [xlinux_first_failure=yes])
1620     if test "${xlinux_first_failure}" = "yes"; then
1621       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1622       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1623       OLD_CPPFLAGS="$CPPFLAGS"
1624       OLD_LIBS="$LIBS"
1625       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1626       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1627       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1628       LIBS="$LIBS -b i486-linuxaout"
1629       AC_TRY_LINK([],
1630        [XOpenDisplay ("foo");],
1631        [xlinux_second_failure=no],
1632        [xlinux_second_failure=yes])
1633       if test "${xlinux_second_failure}" = "yes"; then
1634         # If we get the same failure with -b, there is no use adding -b.
1635         # So take it out.  This plays safe.
1636         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1637         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1638         CPPFLAGS="$OLD_CPPFLAGS"
1639         LIBS="$OLD_LIBS"
1640         AC_MSG_RESULT(no)
1641       else
1642         AC_MSG_RESULT(yes)
1643       fi
1644     else
1645       AC_MSG_RESULT(no)
1646     fi
1647   fi
1648
1649   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1650   # header files included from there.
1651   AC_MSG_CHECKING(for Xkb)
1652   AC_TRY_LINK([#include <X11/Xlib.h>
1653 #include <X11/XKBlib.h>],
1654         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1655         emacs_xkb=yes, emacs_xkb=no)
1656   AC_MSG_RESULT($emacs_xkb)
1657   if test $emacs_xkb = yes; then
1658     AC_DEFINE(HAVE_XKBGETKEYBOARD)
1659   fi
1660
1661   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1662 XScreenNumberOfScreen XSetWMProtocols)
1663 fi
1664
1665 if test "${window_system}" = "x11"; then
1666   AC_MSG_CHECKING(X11 version 6)
1667   AC_CACHE_VAL(emacs_cv_x11_version_6,
1668   [AC_TRY_LINK([#include <X11/Xlib.h>],
1669 [#if XlibSpecificationRelease < 6
1670 fail;
1671 #endif
1672 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1673   if test $emacs_cv_x11_version_6 = yes; then
1674     AC_MSG_RESULT(6 or newer)
1675     AC_DEFINE(HAVE_X11R6)
1676   else
1677     AC_MSG_RESULT(before 6)
1678   fi
1679 fi
1680
1681 if test "${window_system}" = "x11"; then
1682   AC_MSG_CHECKING(X11 version 5)
1683   AC_CACHE_VAL(emacs_cv_x11_version_5,
1684   [AC_TRY_LINK([#include <X11/Xlib.h>],
1685 [#if XlibSpecificationRelease < 5
1686 fail;
1687 #endif
1688 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
1689   if test $emacs_cv_x11_version_5 = yes; then
1690     AC_MSG_RESULT(5 or newer)
1691     HAVE_X11R5=yes
1692     AC_DEFINE(HAVE_X11R5)
1693   else
1694     HAVE_X11R5=no
1695     AC_MSG_RESULT(before 5)
1696   fi
1697 fi
1698
1699 dnl Do not put whitespace before the #include statements below.
1700 dnl Older compilers (eg sunos4 cc) choke on it.
1701 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1702   if test x"${HAVE_X11R5}" = xyes; then
1703     AC_MSG_CHECKING(X11 version 5 with Xaw)
1704     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1705     [AC_TRY_LINK([
1706 #include <X11/Intrinsic.h>
1707 #include <X11/Xaw/Simple.h>],
1708       [],
1709       emacs_cv_x11_version_5_with_xaw=yes,
1710       emacs_cv_x11_version_5_with_xaw=no)])
1711     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1712       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1713       USE_X_TOOLKIT=LUCID
1714     else
1715       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1716       USE_X_TOOLKIT=none
1717     fi
1718   else
1719     USE_X_TOOLKIT=none
1720   fi
1721 fi
1722
1723 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1724
1725 if test "${USE_X_TOOLKIT}" != "none"; then
1726   AC_MSG_CHECKING(X11 toolkit version)
1727   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1728   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1729 [#if XtSpecificationRelease < 6
1730 fail;
1731 #endif
1732 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1733   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1734   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1735     AC_MSG_RESULT(6 or newer)
1736     AC_DEFINE(HAVE_X11XTR6)
1737   else
1738     AC_MSG_RESULT(before 6)
1739   fi
1740
1741 dnl If using toolkit, check whether libXmu.a exists.
1742 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1743   OLDLIBS="$LIBS"
1744   if test x$HAVE_X11XTR6 = xyes; then
1745     LIBS="-lXt -lSM -lICE $LIBS"
1746   else
1747     LIBS="-lXt $LIBS"
1748   fi
1749   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1750   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1751 fi
1752
1753 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1754 if test "${HAVE_X11}" = "yes"; then
1755   if test "${USE_X_TOOLKIT}" != "none"; then
1756     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1757   fi
1758 fi
1759
1760 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1761   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1762   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1763     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1764 int x = 5;
1765 #else
1766 Motif version prior to 2.1.
1767 #endif],
1768     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1769   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1770   if test $emacs_cv_motif_version_2_1 = yes; then
1771     HAVE_LIBXP=no
1772     AC_DEFINE(HAVE_MOTIF_2_1)
1773     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1774     if test ${HAVE_LIBXP} = yes; then
1775       AC_DEFINE(HAVE_LIBXP)
1776     fi
1777   fi
1778 fi
1779
1780 ### Is -lXaw3d available?
1781 HAVE_XAW3D=no
1782 if test "${HAVE_X11}" = "yes"; then
1783   if test "${USE_X_TOOLKIT}" != "none"; then
1784     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1785         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes))
1786     if test "${HAVE_XAW3D}" = "yes"; then
1787         AC_DEFINE(HAVE_XAW3D)
1788     fi
1789   fi
1790 fi
1791
1792 dnl Use toolkit scroll bars if configured for X toolkit and either
1793 dnl using Motif or Xaw3d is available, and unless
1794 dnl --with-toolkit-scroll-bars=no was specified.
1795
1796 USE_TOOLKIT_SCROLL_BARS=no
1797 if test "${with_toolkit_scroll_bars}" != "no"; then
1798   if test "${USE_X_TOOLKIT}" != "none"; then
1799     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1800       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1801       HAVE_XAW3D=no
1802       USE_TOOLKIT_SCROLL_BARS=yes
1803     elif test "${HAVE_XAW3D}" = "yes"; then
1804       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1805       USE_TOOLKIT_SCROLL_BARS=yes
1806     fi
1807   fi
1808 fi
1809
1810 dnl Don't use X11 input methods if user specifies he doesn't want it
1811 dnl with `--with-xim=no'.
1812
1813 if test "${with_xim}" != "no"; then
1814   AC_DEFINE(USE_XIM)
1815 fi
1816
1817 ### Use -lXpm if available, unless `--with-xpm=no'.
1818 HAVE_XPM=no
1819 if test "${HAVE_X11}" = "yes"; then
1820   if test "${with_xpm}" != "no"; then
1821     AC_CHECK_HEADER(X11/xpm.h,
1822       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1823     if test "${HAVE_XPM}" = "yes"; then
1824       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1825       AC_EGREP_CPP(no_return_alloc_pixels,
1826       [#include "X11/xpm.h"
1827 #ifndef XpmReturnAllocPixels
1828 no_return_alloc_pixels
1829 #endif
1830       ], HAVE_XPM=no, HAVE_XPM=yes)
1831
1832       if test "${HAVE_XPM}" = "yes"; then
1833         AC_MSG_RESULT(yes)
1834       else
1835         AC_MSG_RESULT(no)
1836       fi
1837     fi
1838   fi
1839
1840   if test "${HAVE_XPM}" = "yes"; then
1841     AC_DEFINE(HAVE_XPM)
1842   fi
1843 fi
1844
1845 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1846 HAVE_JPEG=no
1847 if test "${HAVE_X11}" = "yes"; then
1848   if test "${with_jpeg}" != "no"; then
1849     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1850     dnl  HAVE_STDLIB_H.
1851     AC_CHECK_HEADER(jerror.h,
1852       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
1853   fi
1854
1855   if test "${HAVE_JPEG}" = "yes"; then
1856     AC_DEFINE(HAVE_JPEG)
1857   fi
1858 fi
1859
1860 ### Use -lpng if available, unless `--with-png=no'.
1861 HAVE_PNG=no
1862 if test "${HAVE_X11}" = "yes"; then
1863   if test "${with_png}" != "no"; then
1864     AC_CHECK_HEADER(png.h,
1865       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm))
1866   fi
1867
1868   if test "${HAVE_PNG}" = "yes"; then
1869     AC_DEFINE(HAVE_PNG)
1870   fi
1871 fi
1872
1873 ### Use -ltiff if available, unless `--with-tiff=no'.
1874 HAVE_TIFF=no
1875 if test "${HAVE_X11}" = "yes"; then
1876   if test "${with_tiff}" != "no"; then
1877     AC_CHECK_HEADER(tiffio.h,
1878       tifflibs="-lz -lm"
1879       # At least one tiff package requires the jpeg library.
1880       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1881       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1882   fi
1883
1884   if test "${HAVE_TIFF}" = "yes"; then
1885     AC_DEFINE(HAVE_TIFF)
1886   fi
1887 fi
1888
1889 ### Use -lgif if available, unless `--with-gif=no'.
1890 HAVE_GIF=no
1891 if test "${HAVE_X11}" = "yes"; then
1892   if test "${with_gif}" != "no"; then
1893     AC_CHECK_HEADER(gif_lib.h,
1894       AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes))
1895   fi
1896
1897   if test "${HAVE_GIF}" = "yes"; then
1898     AC_DEFINE(HAVE_GIF)
1899   fi
1900 fi
1901
1902 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1903 AC_CACHE_CHECK(whether netdb declares h_errno,
1904                emacs_cv_netdb_declares_h_errno,
1905 [AC_TRY_LINK([#include <netdb.h>],
1906   [return h_errno;],
1907   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
1908 if test $emacs_cv_netdb_declares_h_errno = yes; then
1909   AC_DEFINE(HAVE_H_ERRNO)
1910 fi
1911
1912 AC_FUNC_ALLOCA
1913
1914 # fmod, logb, and frexp are found in -lm on most systems.
1915 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1916 AC_CHECK_LIB(m, sqrt)
1917
1918 # Check for mail-locking functions in a "mail" library
1919 AC_CHECK_LIB(mail, maillock)
1920 dnl Debian, at least:
1921 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1922 AC_CHECK_LIB(lockfile, maillock)
1923 # If we have the shared liblockfile, assume we must use it for mail
1924 # locking (e.g. Debian).  If we couldn't link against liblockfile
1925 # (no liblockfile.a installed), ensure that we don't need to.
1926 if test "$ac_cv_lib_lockfile_maillock" = no; then
1927   dnl This works for files generally, not just executables.
1928   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1929   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1930                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1931   if test $ac_cv_prog_liblockfile = yes; then
1932     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1933 This probably means that movemail could lose mail.
1934 There may be a \`development' package to install containing liblockfile.])
1935   else AC_DEFINE(LIBMAIL, -llockfile)
1936   fi
1937   else :
1938 fi
1939 AC_CHECK_FUNCS(touchlock)
1940 AC_CHECK_HEADERS(maillock.h)
1941
1942 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1943 rename closedir mkdir rmdir sysinfo \
1944 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1945 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1946 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1947 __fpending mblen mbrlen strsignal setitimer ualarm index rindex \
1948 gai_strerror mkstemp)
1949
1950 AC_FUNC_MKTIME
1951 if test "$ac_cv_func_working_mktime" = no; then
1952   AC_DEFINE(BROKEN_MKTIME)
1953 fi
1954
1955 AC_FUNC_GETLOADAVG
1956
1957 AC_FUNC_FSEEKO
1958
1959 # UNIX98 PTYs.
1960 AC_CHECK_FUNCS(grantpt)
1961
1962 # PTY-related GNU extensions.
1963 AC_CHECK_FUNCS(getpt)
1964
1965 # Check this now, so that we will NOT find the above functions in ncurses.
1966 # That is because we have not set up to link ncurses in lib-src.
1967 # It's better to believe a function is not available
1968 # than to expect to find it in ncurses.
1969 AC_CHECK_LIB(ncurses, tparm)
1970
1971 # Do we need the Hesiod library to provide the support routines?
1972 if test "$with_hesiod" = yes ; then
1973   # Don't set $LIBS here -- see comments above.
1974   resolv=no
1975   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
1976      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
1977                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
1978   if test "$resolv" = yes ; then
1979     RESOLVLIB=-lresolv
1980     AC_DEFINE(HAVE_LIBRESOLV)
1981   else
1982     RESOLVLIB=
1983   fi
1984   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
1985         AC_DEFINE(HAVE_LIBHESIOD), :, $RESOLVLIB)])
1986 fi
1987
1988 # These tell us which Kerberos-related libraries to use.
1989 if test "${with_kerberos+set}" = set; then
1990   AC_CHECK_LIB(com_err, com_err)
1991   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1992   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1993   AC_CHECK_LIB(krb5, krb5_init_context)
1994   if test "${with_kerberos5+set}" != set; then
1995     AC_CHECK_LIB(des425, des_cbc_encrypt,,
1996                  AC_CHECK_LIB(des, des_cbc_encrypt))
1997     AC_CHECK_LIB(krb4, krb_get_cred,,
1998                  AC_CHECK_LIB(krb, krb_get_cred))
1999   fi
2000
2001   if test "${with_kerberos5+set}" = set; then
2002     AC_CHECK_HEADERS(krb5.h)
2003   else
2004     AC_CHECK_HEADERS(des.h,,
2005                      AC_CHECK_HEADERS(kerberosIV/des.h,,
2006                                       AC_CHECK_HEADERS(kerberos/des.h)))
2007     AC_CHECK_HEADERS(krb.h,,
2008                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
2009                                       AC_CHECK_HEADERS(kerberos/krb.h)))
2010   fi
2011   AC_CHECK_HEADERS(com_err.h)
2012 fi
2013
2014 # Solaris requires -lintl if you want strerror (which calls dgettext)
2015 # to return localized messages.
2016 AC_CHECK_LIB(intl, dgettext)
2017
2018 AC_MSG_CHECKING(whether localtime caches TZ)
2019 AC_CACHE_VAL(emacs_cv_localtime_cache,
2020 [if test x$ac_cv_func_tzset = xyes; then
2021 AC_TRY_RUN([#include <time.h>
2022 extern char **environ;
2023 unset_TZ ()
2024 {
2025   char **from, **to;
2026   for (to = from = environ; (*to = *from); from++)
2027     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2028       to++;
2029 }
2030 char TZ_GMT0[] = "TZ=GMT0";
2031 char TZ_PST8[] = "TZ=PST8";
2032 main()
2033 {
2034   time_t now = time ((time_t *) 0);
2035   int hour_GMT0, hour_unset;
2036   if (putenv (TZ_GMT0) != 0)
2037     exit (1);
2038   hour_GMT0 = localtime (&now)->tm_hour;
2039   unset_TZ ();
2040   hour_unset = localtime (&now)->tm_hour;
2041   if (putenv (TZ_PST8) != 0)
2042     exit (1);
2043   if (localtime (&now)->tm_hour == hour_GMT0)
2044     exit (1);
2045   unset_TZ ();
2046   if (localtime (&now)->tm_hour != hour_unset)
2047     exit (1);
2048   exit (0);
2049 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2050 [# If we have tzset, assume the worst when cross-compiling.
2051 emacs_cv_localtime_cache=yes])
2052 else
2053         # If we lack tzset, report that localtime does not cache TZ,
2054         # since we can't invalidate the cache if we don't have tzset.
2055         emacs_cv_localtime_cache=no
2056 fi])dnl
2057 AC_MSG_RESULT($emacs_cv_localtime_cache)
2058 if test $emacs_cv_localtime_cache = yes; then
2059   AC_DEFINE(LOCALTIME_CACHE)
2060 fi
2061
2062 if test "x$HAVE_TIMEVAL" = xyes; then
2063   AC_CHECK_FUNCS(gettimeofday)
2064   AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2065                  emacs_cv_gettimeofday_two_arguments,
2066   [AC_TRY_COMPILE([
2067 #ifdef TIME_WITH_SYS_TIME
2068 #include <sys/time.h>
2069 #include <time.h>
2070 #else
2071 #ifdef HAVE_SYS_TIME_H
2072 #include <sys/time.h>
2073 #else
2074 #include <time.h>
2075 #endif
2076 #endif],
2077     [struct timeval time;
2078      gettimeofday (&time, 0);],
2079     emacs_cv_gettimeofday_two_arguments=yes,
2080     emacs_cv_gettimeofday_two_arguments=no)])
2081   if test $emacs_cv_gettimeofday_two_arguments = no; then
2082     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2083   fi
2084 fi
2085
2086 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2087 if test "$ac_cv_func_gettimeofday" = yes; then
2088   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2089     [AC_TRY_COMPILE([#include <sys/time.h>],
2090     [struct timezone tz;],
2091     dnl It may be that we can't call gettimeofday with a non-null pointer,
2092     dnl even though we have struct timezone (e.g. HPUX).  In that case
2093     dnl we'll lie about struct timezone.
2094     [AC_TRY_RUN([
2095 #ifdef TIME_WITH_SYS_TIME
2096 #include <sys/time.h>
2097 #include <time.h>
2098 #else
2099 #ifdef HAVE_SYS_TIME_H
2100 #include <sys/time.h>
2101 #else
2102 #include <time.h>
2103 #endif
2104 #endif
2105 main () {
2106   struct timeval time;
2107   struct timezone dummy;
2108   exit (gettimeofday (&time, &dummy));
2109 }],
2110       emacs_cv_struct_timezone=yes,
2111       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2112     emacs_cv_struct_timezone=no)])
2113 fi
2114
2115 ok_so_far=yes
2116 AC_CHECK_FUNC(socket, , ok_so_far=no)
2117 if test $ok_so_far = yes; then
2118   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2119 fi
2120 if test $ok_so_far = yes; then
2121   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2122 fi
2123 if test $ok_so_far = yes; then
2124   AC_DEFINE(HAVE_INET_SOCKETS)
2125 fi
2126
2127 if test -f /usr/lpp/X11/bin/smt.exp; then
2128   AC_DEFINE(HAVE_AIX_SMT_EXP)
2129 fi
2130
2131 AC_MSG_CHECKING(whether system supports dynamic ptys)
2132 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2133   AC_MSG_RESULT(yes)
2134   AC_DEFINE(HAVE_DEV_PTMX)
2135 else
2136   AC_MSG_RESULT(no)
2137 fi
2138
2139 AC_FUNC_VFORK
2140
2141 # Fixme: This should be replaced when we have autoconf 2.14.
2142 AC_SIZE_T
2143
2144 # Set up the CFLAGS for real compilation, so we can substitute it.
2145 CFLAGS="$REAL_CFLAGS"
2146 CPPFLAGS="$REAL_CPPFLAGS"
2147
2148 changequote(, )dnl
2149 #### Find out which version of Emacs this is.
2150 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
2151          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2152 changequote([, ])dnl
2153 if test x"${version}" = x; then
2154   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2155 fi
2156
2157 ### Specify what sort of things we'll be editing into Makefile and config.h.
2158 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2159 AC_SUBST(version)
2160 AC_SUBST(configuration)
2161 AC_SUBST(canonical)
2162 AC_SUBST(srcdir)
2163 AC_SUBST(prefix)
2164 AC_SUBST(exec_prefix)
2165 AC_SUBST(bindir)
2166 AC_SUBST(datadir)
2167 AC_SUBST(sharedstatedir)
2168 AC_SUBST(libexecdir)
2169 AC_SUBST(mandir)
2170 AC_SUBST(infodir)
2171 AC_SUBST(lispdir)
2172 AC_SUBST(locallisppath)
2173 AC_SUBST(lisppath)
2174 AC_SUBST(x_default_search_path)
2175 AC_SUBST(etcdir)
2176 AC_SUBST(archlibdir)
2177 AC_SUBST(docdir)
2178 AC_SUBST(bitmapdir)
2179 AC_SUBST(c_switch_system)
2180 AC_SUBST(c_switch_machine)
2181 AC_SUBST(LD_SWITCH_X_SITE)
2182 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2183 AC_SUBST(C_SWITCH_X_SITE)
2184 AC_SUBST(CFLAGS)
2185 AC_SUBST(X_TOOLKIT_TYPE)
2186 AC_SUBST(machfile)
2187 AC_SUBST(opsysfile)
2188 AC_SUBST(GETLOADAVG_LIBS)
2189
2190 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2191 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2192 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2193 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2194 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2195 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2196 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2197 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2198
2199 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2200   AC_DEFINE(HAVE_X_WINDOWS)
2201 fi
2202 if test "${USE_X_TOOLKIT}" != "none" ; then
2203   AC_DEFINE(USE_X_TOOLKIT)
2204 fi
2205 if test "${HAVE_X11}" = "yes" ; then
2206   AC_DEFINE(HAVE_X11)
2207 fi
2208 if test "${HAVE_XFREE386}" = "yes" ; then
2209   AC_DEFINE(HAVE_XFREE386)
2210 fi
2211 if test "${HAVE_MENUS}" = "yes" ; then
2212   AC_DEFINE(HAVE_MENUS)
2213 fi
2214 if test "${GNU_MALLOC}" = "yes" ; then
2215   AC_DEFINE(GNU_MALLOC)
2216 fi
2217 if test "${REL_ALLOC}" = "yes" ; then
2218   AC_DEFINE(REL_ALLOC)
2219 fi
2220
2221 AC_CHECK_HEADERS(nlist.h, [AC_DEFINE(NLIST_STRUCT, 1,
2222                  [Define if you have <nlist.h>.])])
2223
2224 #### Report on what we decided to do.
2225 echo "
2226 Configured for \`${canonical}'.
2227
2228   Where should the build process find the source code?    ${srcdir}
2229   What operating system and machine description files should Emacs use?
2230         \`${opsysfile}' and \`${machfile}'
2231   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2232   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2233   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2234   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
2235   What window system should Emacs use?                    ${window_system}
2236   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2237
2238 if test -n "${x_includes}"; then
2239 echo "  Where do we find X Windows header files?                ${x_includes}"
2240 else
2241 echo "  Where do we find X Windows header files?                Standard dirs"
2242 fi
2243 if test -n "${x_libraries}"; then
2244 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2245 else
2246 echo "  Where do we find X Windows libraries?                   Standard dirs"
2247 fi
2248
2249 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2250 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2251 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2252 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2253 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2254 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2255 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2256 echo
2257
2258 # Remove any trailing slashes in these variables.
2259 changequote(, )dnl
2260 test "${prefix}" != NONE &&
2261   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2262 test "${exec_prefix}" != NONE &&
2263   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2264 changequote([, ])dnl
2265
2266 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
2267 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2268 ## from Makefile.c can correctly provide the arg `-traditional' to the
2269 ## C preprocessor.
2270
2271 AC_EGREP_CPP(yes..yes,
2272         [yes..yes],
2273         CPP_NEED_TRADITIONAL=no,
2274         CPP_NEED_TRADITIONAL=yes)
2275
2276 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2277         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2278         lisp/Makefile leim/Makefile, [
2279
2280 ### Make the necessary directories, if they don't exist.
2281 for dir in etc lisp ; do
2282   test -d ${dir} || mkdir ${dir}
2283 done
2284
2285 # Build src/Makefile from ${srcdir}/src/Makefile.c
2286 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2287 # This must be done after src/config.h is built, since we rely on that file.
2288
2289 changequote(, )dnl The horror, the horror.
2290 # Now get this: Some word that is part of the ${srcdir} directory name
2291 # or the ${configuration} value might, just might, happen to be an
2292 # identifier like `sun4' or `i386' or something, and be predefined by
2293 # the C preprocessor to some helpful value like 1, or maybe the empty
2294 # string.  Needless to say consequent macro substitutions are less
2295 # than conducive to the makefile finding the correct directory.
2296 undefs="`echo $top_srcdir $configuration $canonical |
2297 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2298     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2299 `"
2300 changequote([, ])dnl
2301
2302 echo creating src/epaths.h
2303 ${MAKE-make} epaths-force
2304
2305 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2306 # `..' to `. .'  unless invoked with -traditional
2307
2308 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
2309   CPPFLAGS="$CPPFLAGS -traditional"
2310 fi
2311
2312 echo creating lib-src/Makefile
2313 ( cd lib-src
2314   rm -f junk.c junk1.c junk2.c
2315   sed -e '/start of cpp stuff/q' \
2316       < Makefile.c > junk1.c
2317   sed -e '1,/start of cpp stuff/d'\
2318       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2319       < Makefile.c > junk.c
2320   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2321       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2322   cat junk1.c junk2.c > Makefile.new
2323   rm -f junk.c junk1.c junk2.c
2324   chmod 444 Makefile.new
2325   mv -f Makefile.new Makefile
2326 )
2327
2328 echo creating src/Makefile
2329 ( cd src
2330   rm -f junk.c junk1.c junk2.c
2331   sed -e '/start of cpp stuff/q' \
2332       < Makefile.c > junk1.c
2333   sed -e '1,/start of cpp stuff/d'\
2334       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2335       < Makefile.c > junk.c
2336   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2337       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2338   cat junk1.c junk2.c > Makefile.new
2339   rm -f junk.c junk1.c junk2.c
2340   chmod 444 Makefile.new
2341   mv -f Makefile.new Makefile
2342 )
2343
2344 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
2345   echo creating src/.gdbinit
2346   echo source $srcdir/src/.gdbinit > src/.gdbinit
2347 fi
2348
2349 # This is how we know whether to re-run configure in certain cases.
2350 touch src/config.stamp
2351
2352 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
2353