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-hpux1[0-9]* )
 528     machine=hp800 opsys=hpux10
 529   ;;
 530
 531   ## HP 9000 series 700 and 800, running HP/UX
 532   hppa*-hp-hpux* )
 533     ## Cross-compilation?  Nah!
 534     case "`uname -r`" in
 535       ## Someone's system reports A.B8.05 for this.
 536       ## I wonder what other possibilities there are.
 537       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 538       *.08.* ) machine=hp800 opsys=hpux8 ;;
 539       *.09.* ) machine=hp800 opsys=hpux9 ;;
 540       *) machine=hp800 opsys=hpux10 ;;
 541     esac
 542   ;;
 543   hppa*-*-nextstep* )
 544     machine=hp800 opsys=nextstep
 545   ;;
 546
 547   ## Orion machines
 548   orion-orion-bsd* )
 549     machine=orion opsys=bsd4-2
 550   ;;
 551   clipper-orion-bsd* )
 552     machine=orion105 opsys=bsd4-2
 553   ;;
 554
 555   ## IBM machines
 556   i[3456]86-ibm-aix1.1* )
 557     machine=ibmps2-aix opsys=usg5-2-2
 558   ;;
 559   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 560     machine=ibmps2-aix opsys=usg5-3
 561   ;;
 562   i370-ibm-aix*)
 563     machine=ibm370aix opsys=usg5-3
 564   ;;
 565   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 566     machine=ibmrs6000 opsys=aix3-1
 567   ;;
 568   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 569     machine=ibmrs6000 opsys=aix3-2-5
 570   ;;
 571   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 572     machine=ibmrs6000 opsys=aix4-1
 573   ;;
 574   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 575     machine=ibmrs6000 opsys=aix4-2
 576   ;;
 577   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 578     machine=ibmrs6000 opsys=aix4
 579   ;;
 580   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 581     machine=ibmrs6000 opsys=aix4-1
 582   ;;
 583   rs6000-ibm-aix* | powerpc-ibm-aix* )
 584     machine=ibmrs6000 opsys=aix3-2
 585   ;;
 586   romp-ibm-bsd4.3* )
 587     machine=ibmrt opsys=bsd4-3
 588   ;;
 589   romp-ibm-bsd4.2* )
 590     machine=ibmrt opsys=bsd4-2
 591   ;;
 592   romp-ibm-aos4.3* )
 593     machine=ibmrt opsys=bsd4-3
 594   ;;
 595   romp-ibm-aos4.2* )
 596     machine=ibmrt opsys=bsd4-2
 597   ;;
 598   romp-ibm-aos* )
 599     machine=ibmrt opsys=bsd4-3
 600   ;;
 601   romp-ibm-bsd* )
 602     machine=ibmrt opsys=bsd4-3
 603   ;;
 604   romp-ibm-aix* )
 605     machine=ibmrt-aix opsys=usg5-2-2
 606   ;;
 607
 608   ## Integrated Solutions `Optimum V'
 609   m68*-isi-bsd4.2* )
 610     machine=isi-ov opsys=bsd4-2
 611   ;;
 612   m68*-isi-bsd4.3* )
 613     machine=isi-ov opsys=bsd4-3
 614   ;;
 615
 616   ## Intel 386 machines where we do care about the manufacturer
 617   i[3456]86-intsys-sysv* )
 618     machine=is386 opsys=usg5-2-2
 619   ;;
 620
 621   ## Prime EXL
 622   i[3456]86-prime-sysv* )
 623     machine=i386 opsys=usg5-3
 624   ;;
 625
 626   ## Sequent Symmetry running Dynix
 627   i[3456]86-sequent-bsd* )
 628     machine=symmetry opsys=bsd4-3
 629   ;;
 630
 631   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 632   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 633     machine=sequent-ptx opsys=ptx4
 634     NON_GNU_CPP=/lib/cpp
 635   ;;
 636
 637   ## Sequent Symmetry running DYNIX/ptx
 638   ## Use the old cpp rather than the newer ANSI one.
 639   i[3456]86-sequent-ptx* )
 640     machine=sequent-ptx opsys=ptx
 641     NON_GNU_CPP="/lib/cpp"
 642   ;;
 643
 644   ## ncr machine running svr4.3.
 645   i[3456]86-ncr-sysv4.3 )
 646     machine=ncr386 opsys=usg5-4-3
 647   ;;
 648
 649   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 650   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 651   i[3456]86-ncr-sysv* )
 652     machine=ncr386 opsys=usg5-4-2
 653   ;;
 654
 655   ## Intel Paragon OSF/1
 656   i860-intel-osf1* )
 657     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 658   ;;
 659
 660   ## Intel 860
 661   i860-*-sysv4* )
 662     machine=i860 opsys=usg5-4
 663     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 664     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 665   ;;
 666
 667   ## Macintosh PowerPC
 668   powerpc*-*-linux-gnu* )
 669     machine=macppc opsys=gnu-linux
 670   ;;
 671
 672   ## Masscomp machines
 673   m68*-masscomp-rtu* )
 674     machine=masscomp opsys=rtu
 675   ;;
 676
 677   ## Megatest machines
 678   m68*-megatest-bsd* )
 679     machine=mega68 opsys=bsd4-2
 680   ;;
 681
 682   ## Workstations sold by MIPS
 683   ## This is not necessarily all workstations using the MIPS processor -
 684   ## Irises are produced by SGI, and DECstations by DEC.
 685
 686   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 687   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 688   ## it gives for choosing between the alternatives seems to be "Use
 689   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 690   ## the BSD world."  I'll assume that these are instructions for
 691   ## handling two odd situations, and that every other situation
 692   ## should use mips.h and usg5-2-2, they being listed first.
 693   mips-mips-usg* )
 694     machine=mips4
 695     ## Fall through to the general code at the bottom to decide on the OS.
 696   ;;
 697   mips-mips-riscos4* )
 698     machine=mips4 opsys=bsd4-3
 699     NON_GNU_CC="cc -systype bsd43"
 700     NON_GNU_CPP="cc -systype bsd43 -E"
 701   ;;
 702   mips-mips-riscos5* )
 703     machine=mips4 opsys=riscos5
 704     NON_GNU_CC="cc -systype bsd43"
 705     NON_GNU_CPP="cc -systype bsd43 -E"
 706   ;;
 707   mips-mips-bsd* )
 708     machine=mips opsys=bsd4-3
 709   ;;
 710   mips-mips-* )
 711     machine=mips opsys=usg5-2-2
 712   ;;
 713
 714   ## NeXT
 715   m68*-next-* | m68k-*-nextstep* )
 716     machine=m68k opsys=nextstep
 717   ;;
 718
 719   ## The complete machine from National Semiconductor
 720   ns32k-ns-genix* )
 721     machine=ns32000 opsys=usg5-2
 722   ;;
 723
 724   ## NCR machines
 725   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 726     machine=tower32 opsys=usg5-2-2
 727   ;;
 728   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 729     machine=tower32v3 opsys=usg5-3
 730   ;;
 731
 732   ## NEC EWS4800
 733   mips-nec-sysv4*)
 734   machine=ews4800 opsys=ux4800
 735   ;;
 736
 737   ## Nixdorf Targon 31
 738   m68*-nixdorf-sysv* )
 739     machine=targon31 opsys=usg5-2-2
 740   ;;
 741
 742   ## Nu (TI or LMI)
 743   m68*-nu-sysv* )
 744     machine=nu opsys=usg5-2
 745   ;;
 746
 747   ## Plexus
 748   m68*-plexus-sysv* )
 749     machine=plexus opsys=usg5-2
 750   ;;
 751
 752   ## PowerPC reference platform
 753   powerpcle-*-solaris2* )
 754     machine=prep
 755     opsys=sol2-5
 756   ;;
 757
 758   ## Pyramid machines
 759   ## I don't really have any idea what sort of processor the Pyramid has,
 760   ## so I'm assuming it is its own architecture.
 761   pyramid-pyramid-bsd* )
 762     machine=pyramid opsys=bsd4-2
 763   ;;
 764
 765   ## Sequent Balance
 766   ns32k-sequent-bsd4.2* )
 767     machine=sequent opsys=bsd4-2
 768   ;;
 769   ns32k-sequent-bsd4.3* )
 770     machine=sequent opsys=bsd4-3
 771   ;;
 772
 773   ## Siemens Nixdorf
 774   mips-siemens-sysv* | mips-sni-sysv*)
 775     machine=mips-siemens opsys=usg5-4
 776     NON_GNU_CC=/usr/ccs/bin/cc
 777     NON_GNU_CPP=/usr/ccs/lib/cpp
 778   ;;
 779
 780   ## Silicon Graphics machines
 781   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 782   m68*-sgi-iris3.5* )
 783     machine=irist opsys=iris3-5
 784   ;;
 785   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 786     machine=irist opsys=iris3-6
 787   ;;
 788   ## Iris 4D
 789   mips-sgi-irix3* )
 790     machine=iris4d opsys=irix3-3
 791   ;;
 792   mips-sgi-irix4* )
 793     machine=iris4d opsys=irix4-0
 794   ;;
 795   mips-sgi-irix6.5 )
 796     machine=iris4d opsys=irix6-5
 797     # Without defining _LANGUAGE_C, things get masked out in the headers
 798     # so that, for instance, grepping for `free' in stdlib.h fails and
 799     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 800     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 801     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 802   ;;
 803   mips-sgi-irix6* )
 804     machine=iris4d opsys=irix6-0
 805     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 806     # but presumably it does no harm.
 807     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 808     # -32 probably isn't necessary in later v.6s -- anyone know which?
 809     NON_GCC_TEST_OPTIONS=-32
 810   ;;
 811   mips-sgi-irix5.[01]* )
 812     machine=iris4d opsys=irix5-0
 813   ;;
 814   mips-sgi-irix5* | mips-sgi-irix* )
 815     machine=iris4d opsys=irix5-2
 816   ;;
 817
 818   ## SONY machines
 819   m68*-sony-bsd4.2* )
 820     machine=news opsys=bsd4-2
 821   ;;
 822   m68*-sony-bsd4.3* )
 823     machine=news opsys=bsd4-3
 824   ;;
 825   m68*-sony-newsos3* | m68*-sony-news3*)
 826     machine=news opsys=bsd4-3
 827   ;;
 828   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 829     machine=news-risc opsys=bsd4-3
 830   ;;
 831   mips-sony-newsos6* )
 832     machine=news-r6 opsys=newsos6
 833   ;;
 834   mips-sony-news* )
 835     machine=news-risc opsys=newsos5
 836   ;;
 837
 838   ## Stride
 839   m68*-stride-sysv* )
 840     machine=stride opsys=usg5-2
 841   ;;
 842
 843   ## Suns
 844   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 845     machine=sparc opsys=gnu-linux
 846   ;;
 847
 848   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 849     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 850     | rs6000-*-solaris2*)
 851     case "${canonical}" in
 852       m68*-sunos1* )    machine=sun1 ;;
 853       m68*-sunos2* )    machine=sun2 ;;
 854       m68* )            machine=sun3 ;;
 855       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 856       i[3456]86-*-* )     machine=intel386 ;;
 857       powerpcle* )      machine=powerpcle ;;
 858       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 859       sparc* )          machine=sparc ;;
 860       * )               unported=yes ;;
 861     esac
 862     case "${canonical}" in
 863       ## The Sun386 didn't get past 4.0.
 864       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 865       *-sunos4.0*         ) opsys=sunos4-0 ;;
 866       *-sunos4.1.[3-9]*noshare )
 867                 ## This name is sunos413 instead of sunos4-1-3
 868                 ## to avoid a file name conflict on MSDOS.
 869                 opsys=sunos413
 870                 NON_GNU_CPP=/usr/lib/cpp
 871                 NON_GCC_TEST_OPTIONS=-Bstatic
 872                 GCC_TEST_OPTIONS=-static
 873                 ;;
 874       *-sunos4.1.[3-9]* | *-sunos4shr*)
 875                 opsys=sunos4shr
 876                 NON_GNU_CPP=/usr/lib/cpp
 877                 ;;
 878       *-sunos4* | *-sunos )
 879                 opsys=sunos4-1
 880                 NON_GCC_TEST_OPTIONS=-Bstatic
 881                 GCC_TEST_OPTIONS=-static
 882                 ;;
 883       *-sunos5.3* | *-solaris2.3* )
 884                 opsys=sol2-3
 885                 NON_GNU_CPP=/usr/ccs/lib/cpp
 886                 ;;
 887       *-sunos5.4* | *-solaris2.4* )
 888                 opsys=sol2-4
 889                 NON_GNU_CPP=/usr/ccs/lib/cpp
 890                 RANLIB="ar -ts"
 891                 ;;
 892       *-sunos5.5* | *-solaris2.5* )
 893                 opsys=sol2-5
 894                 NON_GNU_CPP=/usr/ccs/lib/cpp
 895                 RANLIB="ar -ts"
 896                 ;;
 897       *-sunos5* | *-solaris* )
 898                 opsys=sol2-5
 899                 NON_GNU_CPP=/usr/ccs/lib/cpp
 900                 ;;
 901       *                   ) opsys=bsd4-2   ;;
 902     esac
 903     ## Watch out for a compiler that we know will not work.
 904     case "${canonical}" in
 905      *-solaris* | *-sunos5* )
 906                 if [ "x$CC" = x/usr/ucb/cc ]; then
 907                   ## /usr/ucb/cc doesn't work;
 908                   ## we should find some other compiler that does work.
 909                   unset CC
 910                 fi
 911                 ;;
 912       *) ;;
 913     esac
 914   ;;
 915   sparc-*-nextstep* )
 916     machine=sparc opsys=nextstep
 917   ;;
 918
 919   ## Tadpole 68k
 920   m68*-tadpole-sysv* )
 921     machine=tad68k opsys=usg5-3
 922   ;;
 923
 924   ## Tahoe machines
 925   tahoe-tahoe-bsd4.2* )
 926     machine=tahoe opsys=bsd4-2
 927   ;;
 928   tahoe-tahoe-bsd4.3* )
 929     machine=tahoe opsys=bsd4-3
 930   ;;
 931
 932   ## Tandem Integrity S2
 933   mips-tandem-sysv* )
 934     machine=tandem-s2 opsys=usg5-3
 935   ;;
 936
 937   ## Tektronix XD88
 938   m88k-tektronix-sysv3* )
 939   machine=tekxd88 opsys=usg5-3
 940   ;;
 941
 942   ## Tektronix 16000 box (6130?)
 943   ns16k-tektronix-bsd* )
 944     machine=ns16000 opsys=bsd4-2
 945   ;;
 946   ## Tektronix 4300
 947   ## src/m/tek4300.h hints that this is a m68k machine.
 948   m68*-tektronix-bsd* )
 949     machine=tek4300 opsys=bsd4-3
 950   ;;
 951
 952   ## Titan P2 or P3
 953   ## We seem to have lost the machine-description file titan.h!
 954   titan-titan-sysv* )
 955     machine=titan opsys=usg5-3
 956   ;;
 957
 958   ## Ustation E30 (SS5E)
 959   m68*-unisys-uniplus* )
 960     machine=ustation opsystem=unipl5-2
 961   ;;
 962
 963   ## Vaxen.
 964   vax-dec-* )
 965     machine=vax
 966     case "${canonical}" in
 967       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 968       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 969       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 970       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 971       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 972       *-vms* )                                          opsys=vms ;;
 973       * )                                               unported=yes
 974     esac
 975   ;;
 976
 977   ## Whitechapel MG1
 978   ns16k-whitechapel-* )
 979     machine=mg1
 980     ## We don't know what sort of OS runs on these; we'll let the
 981     ## operating system guessing code below try.
 982   ;;
 983
 984   ## Wicat
 985   m68*-wicat-sysv* )
 986     machine=wicat opsys=usg5-2
 987   ;;
 988
 989   ## IA-64
 990   ia64*-*-linux* )
 991     machine=ia64 opsys=gnu-linux
 992   ;;
 993
 994   ## Intel 386 machines where we don't care about the manufacturer
 995   i[3456]86-*-* )
 996     machine=intel386
 997     case "${canonical}" in
 998       *-lynxos* )               opsys=lynxos ;;
 999       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1000       *-isc2.2* )               opsys=isc2-2 ;;
1001       *-isc4.0* )               opsys=isc4-0 ;;
1002       *-isc4.* )                opsys=isc4-1
1003                                 GCC_TEST_OPTIONS=-posix
1004                                 NON_GCC_TEST_OPTIONS=-Xp
1005                                 ;;
1006       *-isc* )                  opsys=isc3-0 ;;
1007       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1008       *-esix* )                 opsys=esix ;;
1009       *-xenix* )                opsys=xenix ;;
1010       *-linux-gnu* )            opsys=gnu-linux ;;
1011       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1012       *-sco3.2v5* )             opsys=sco5
1013                                 NON_GNU_CPP=/lib/cpp
1014                                 # Prevent -belf from being passed to $CPP.
1015                                 # /lib/cpp does not accept it.
1016                                 OVERRIDE_CPPFLAGS=" "
1017                                 ;;
1018       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1019       *-386bsd* )               opsys=386bsd ;;
1020       *-freebsd* )              opsys=freebsd ;;
1021       *-nextstep* )             opsys=nextstep ;;
1022       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1023     esac
1024   ;;
1025
1026   ## m68k Linux-based GNU system
1027   m68k-*-linux-gnu* )
1028     machine=m68k opsys=gnu-linux
1029   ;;
1030
1031   ## Mips Linux-based GNU system
1032   mips-*-linux-gnu* )
1033     machine=mips opsys=gnu-linux
1034   ;;
1035
1036   ## UXP/DS
1037   sparc-fujitsu-sysv4* )
1038     machine=sparc opsys=uxpds
1039     NON_GNU_CPP=/usr/ccs/lib/cpp
1040     RANLIB="ar -ts"
1041   ;;
1042
1043   ## UXP/V
1044   f301-fujitsu-uxpv4.1)
1045     machine=f301 opsys=uxpv
1046   ;;
1047
1048   * )
1049     unported=yes
1050   ;;
1051 esac
1052
1053 ### If the code above didn't choose an operating system, just choose
1054 ### an operating system based on the configuration name.  You really
1055 ### only want to use this when you have no idea what the right
1056 ### operating system is; if you know what operating systems a machine
1057 ### runs, it's cleaner to make it explicit in the case statement
1058 ### above.
1059 if test x"${opsys}" = x; then
1060   case "${canonical}" in
1061     *-gnu* )                            opsys=gnu ;;
1062     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1063     *-bsd4.2 )                          opsys=bsd4-2 ;;
1064     *-bsd4.3 )                          opsys=bsd4-3 ;;
1065     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1066     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1067     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1068     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1069     *-sysv4.2uw* )                      opsys=unixware ;;
1070     *-sysv4.1* | *-sysvr4.1* )
1071         NON_GNU_CPP=/usr/lib/cpp
1072         opsys=usg5-4 ;;
1073     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1074         if [ x$NON_GNU_CPP = x ]; then
1075           if [ -f /usr/ccs/lib/cpp ]; then
1076             NON_GNU_CPP=/usr/ccs/lib/cpp
1077           else
1078             NON_GNU_CPP=/lib/cpp
1079           fi
1080         fi
1081         opsys=usg5-4-2 ;;
1082     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1083     * )
1084       unported=yes
1085     ;;
1086   esac
1087 fi
1088
1089 changequote([, ])dnl
1090
1091 if test $unported = yes; then
1092   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1093 Check \`etc/MACHINES' for recognized configuration names.])
1094 fi
1095
1096 machfile="m/${machine}.h"
1097 opsysfile="s/${opsys}.h"
1098
1099
1100 #### Choose a compiler.
1101 test -n "$CC" && cc_specified=yes
1102
1103 # Save the value of CFLAGS that the user specified.
1104 SPECIFIED_CFLAGS="$CFLAGS"
1105
1106 case ${with_gcc} in
1107   "yes" ) CC="gcc" GCC=yes ;;
1108   "no"  ) : ${CC=cc} ;;
1109   * )
1110 esac
1111 AC_PROG_CC
1112
1113 # On Suns, sometimes $CPP names a directory.
1114 if test -n "$CPP" && test -d "$CPP"; then
1115   CPP=
1116 fi
1117
1118 #### Some systems specify a CPP to use unless we are using GCC.
1119 #### Now that we know whether we are using GCC, we can decide whether
1120 #### to use that one.
1121 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1122 then
1123   CPP="$NON_GNU_CPP"
1124 fi
1125
1126 #### Some systems specify a CC to use unless we are using GCC.
1127 #### Now that we know whether we are using GCC, we can decide whether
1128 #### to use that one.
1129 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1130   test x$cc_specified != xyes
1131 then
1132   CC="$NON_GNU_CC"
1133 fi
1134
1135 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1136 then
1137   CC="$CC $GCC_TEST_OPTIONS"
1138 fi
1139
1140 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1141 then
1142   CC="$CC $NON_GCC_TEST_OPTIONS"
1143 fi
1144
1145 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1146 then
1147   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1148 fi
1149
1150 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1151 then
1152   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1153 fi
1154
1155 #### Some other nice autoconf tests.  If you add a test here which
1156 #### should make an entry in src/config.h, don't forget to add an
1157 #### #undef clause to src/config.h.in for autoconf to modify.
1158
1159 dnl checks for programs
1160 AC_PROG_LN_S
1161 AC_PROG_CPP
1162 AC_PROG_INSTALL
1163 AC_PROG_YACC
1164 if test "x$RANLIB" = x; then
1165   AC_PROG_RANLIB
1166 fi
1167
1168 dnl checks for Unix variants
1169 AC_AIX
1170
1171 #### Extract some information from the operating system and machine files.
1172
1173 AC_CHECKING([the machine- and system-dependent files to find out
1174  - which libraries the lib-src programs will want, and
1175  - whether the GNU malloc routines are usable])
1176
1177 ### First figure out CFLAGS (which we use for running the compiler here)
1178 ### and REAL_CFLAGS (which we use for real compilation).
1179 ### The two are the same except on a few systems, where they are made
1180 ### different to work around various lossages.  For example,
1181 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1182 ### as implying static linking.
1183
1184 ### If the CFLAGS env var is specified, we use that value
1185 ### instead of the default.
1186
1187 ### It's not important that this name contain the PID; you can't run
1188 ### two configures in the same directory and have anything work
1189 ### anyway.
1190 tempcname="conftest.c"
1191
1192 echo '
1193 #include "'${srcdir}'/src/'${opsysfile}'"
1194 #include "'${srcdir}'/src/'${machfile}'"
1195 #ifndef LIBS_MACHINE
1196 #define LIBS_MACHINE
1197 #endif
1198 #ifndef LIBS_SYSTEM
1199 #define LIBS_SYSTEM
1200 #endif
1201 #ifndef C_SWITCH_SYSTEM
1202 #define C_SWITCH_SYSTEM
1203 #endif
1204 #ifndef C_SWITCH_MACHINE
1205 #define C_SWITCH_MACHINE
1206 #endif
1207 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1208 configure___ c_switch_system=C_SWITCH_SYSTEM
1209 configure___ c_switch_machine=C_SWITCH_MACHINE
1210
1211 #ifndef LIB_X11_LIB
1212 #define LIB_X11_LIB -lX11
1213 #endif
1214
1215 #ifndef LIBX11_MACHINE
1216 #define LIBX11_MACHINE
1217 #endif
1218
1219 #ifndef LIBX11_SYSTEM
1220 #define LIBX11_SYSTEM
1221 #endif
1222 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1223
1224 #ifdef UNEXEC
1225 configure___ unexec=UNEXEC
1226 #else
1227 configure___ unexec=unexec.o
1228 #endif
1229
1230 #ifdef SYSTEM_MALLOC
1231 configure___ system_malloc=yes
1232 #else
1233 configure___ system_malloc=no
1234 #endif
1235
1236 #ifdef USE_MMAP_FOR_BUFFERS
1237 configure___ use_mmap_for_buffers=yes
1238 #else
1239 configure___ use_mmap_for_buffers=no
1240 #endif
1241
1242 #ifndef C_DEBUG_SWITCH
1243 #define C_DEBUG_SWITCH -g
1244 #endif
1245
1246 #ifndef C_OPTIMIZE_SWITCH
1247 #ifdef __GNUC__
1248 #define C_OPTIMIZE_SWITCH -O2
1249 #else
1250 #define C_OPTIMIZE_SWITCH -O
1251 #endif
1252 #endif
1253
1254 #ifndef LD_SWITCH_MACHINE
1255 #define LD_SWITCH_MACHINE
1256 #endif
1257
1258 #ifndef LD_SWITCH_SYSTEM
1259 #define LD_SWITCH_SYSTEM
1260 #endif
1261
1262 #ifndef LD_SWITCH_X_SITE_AUX
1263 #define LD_SWITCH_X_SITE_AUX
1264 #endif
1265
1266 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1267 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1268
1269 #ifdef THIS_IS_CONFIGURE
1270
1271 /* Get the CFLAGS for tests in configure.  */
1272 #ifdef __GNUC__
1273 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1274 #else
1275 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1276 #endif
1277
1278 #else /* not THIS_IS_CONFIGURE */
1279
1280 /* Get the CFLAGS for real compilation.  */
1281 #ifdef __GNUC__
1282 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1283 #else
1284 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1285 #endif
1286
1287 #endif /* not THIS_IS_CONFIGURE */
1288 ' > ${tempcname}
1289
1290 # The value of CPP is a quoted variable reference, so we need to do this
1291 # to get its actual value...
1292 CPP=`eval "echo $CPP"`
1293 changequote(, )dnl
1294 eval `${CPP} -Isrc ${tempcname} \
1295        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1296 if test "x$SPECIFIED_CFLAGS" = x; then
1297   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1298          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1299 else
1300   REAL_CFLAGS="$CFLAGS"
1301 fi
1302 changequote([, ])dnl
1303 rm ${tempcname}
1304
1305 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1306
1307 ### Make sure subsequent tests use flags consistent with the build flags.
1308
1309 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1310   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1311 else
1312   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1313 fi
1314
1315 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1316 AC_SYS_LARGEFILE
1317
1318 # Sound support for GNU/Linux and the free BSDs.
1319 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1320 # Emulation library used on NetBSD.
1321 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1322 AC_SUBST(LIBSOUND)
1323
1324 dnl checks for header files
1325 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1326   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1327   termcap.h stdio_ext.h fcntl.h term.h strings.h)
1328 AC_HEADER_STDC
1329 AC_HEADER_TIME
1330 AC_DECL_SYS_SIGLIST
1331 AC_HEADER_SYS_WAIT
1332
1333 dnl Some systems have utime.h but don't declare the struct anyplace.
1334 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1335 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1336 #include <sys/time.h>
1337 #include <time.h>
1338 #else
1339 #ifdef HAVE_SYS_TIME_H
1340 #include <sys/time.h>
1341 #else
1342 #include <time.h>
1343 #endif
1344 #endif
1345 #ifdef HAVE_UTIME_H
1346 #include <utime.h>
1347 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1348   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1349 if test $emacs_cv_struct_utimbuf = yes; then
1350   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1351 fi
1352
1353 dnl checks for typedefs
1354 AC_TYPE_SIGNAL
1355
1356 dnl Check for speed_t typedef.
1357 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1358 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1359   emacs_cv_speed_t=yes, emacs_cv_speed_t=no))
1360 if test $emacs_cv_speed_t = yes; then
1361   AC_DEFINE(HAVE_SPEED_T)
1362 fi
1363
1364 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1365 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1366 #include <sys/time.h>
1367 #include <time.h>
1368 #else
1369 #ifdef HAVE_SYS_TIME_H
1370 #include <sys/time.h>
1371 #else
1372 #include <time.h>
1373 #endif
1374 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1375   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1376 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1377 if test $emacs_cv_struct_timeval = yes; then
1378   AC_DEFINE(HAVE_TIMEVAL)
1379 fi
1380
1381 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1382 AC_TRY_COMPILE([#include <math.h>],
1383 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1384   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1385 HAVE_EXCEPTION=$emacs_cv_struct_exception
1386 if test $emacs_cv_struct_exception != yes; then
1387   AC_DEFINE(NO_MATHERR)
1388 fi
1389
1390 dnl checks for structure members
1391 AC_STRUCT_TM
1392 AC_STRUCT_TIMEZONE
1393 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1394 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1395   emacs_cv_tm_gmtoff=yes,
1396   emacs_cv_tm_gmtoff=no))
1397 if test $emacs_cv_tm_gmtoff = yes; then
1398   AC_DEFINE(HAVE_TM_GMTOFF)
1399 fi
1400
1401 dnl checks for compiler characteristics
1402
1403 dnl Testing __STDC__ to determine prototype support isn't good enough.
1404 dnl DEC C, for instance, doesn't define it with default options, and
1405 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1406 dnl and void *.
1407 AC_C_PROTOTYPES
1408 AC_C_VOLATILE
1409 AC_C_CONST
1410 dnl This isn't useful because we can't turn on use of `inline' unless
1411 dnl the compiler groks `extern inline'.
1412 dnl AC_C_INLINE
1413 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1414   [AC_TRY_COMPILE(, [void * foo;],
1415                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1416 if test $emacs_cv_void_star = yes; then
1417   AC_DEFINE(POINTER_TYPE, void)
1418 else
1419   AC_DEFINE(POINTER_TYPE, char)
1420 fi
1421
1422 dnl check for Make feature
1423 AC_PROG_MAKE_SET
1424
1425 dnl checks for operating system services
1426 AC_SYS_LONG_FILE_NAMES
1427
1428 #### Choose a window system.
1429
1430 AC_PATH_X
1431 if test "$no_x" = yes; then
1432   window_system=none
1433 else
1434   window_system=x11
1435 fi
1436
1437 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1438   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1439   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1440   x_default_search_path=""
1441   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1442     x_search_path="\
1443 ${x_library}/X11/%L/%T/%N%C%S:\
1444 ${x_library}/X11/%l/%T/%N%C%S:\
1445 ${x_library}/X11/%T/%N%C%S:\
1446 ${x_library}/X11/%L/%T/%N%S:\
1447 ${x_library}/X11/%l/%T/%N%S:\
1448 ${x_library}/X11/%T/%N%S"
1449     if test x"${x_default_search_path}" = x; then
1450       x_default_search_path=${x_search_path}
1451     else
1452       x_default_search_path="${x_search_path}:${x_default_search_path}"
1453     fi
1454   done
1455 fi
1456 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1457   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1458 fi
1459
1460 if test x"${x_includes}" = x; then
1461   bitmapdir=/usr/include/X11/bitmaps
1462 else
1463   # accumulate include directories that have X11 bitmap subdirectories
1464   bmd_acc="dummyval"
1465   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1466     if test -d "${bmd}/X11/bitmaps"; then
1467       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1468     fi
1469     if test -d "${bmd}/bitmaps"; then
1470       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1471     fi
1472   done
1473   if test ${bmd_acc} != "dummyval"; then
1474     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1475   fi
1476 fi
1477
1478 case "${window_system}" in
1479   x11 )
1480     HAVE_X_WINDOWS=yes
1481     HAVE_X11=yes
1482     case "${with_x_toolkit}" in
1483       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1484       motif ) USE_X_TOOLKIT=MOTIF ;;
1485 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1486       no ) USE_X_TOOLKIT=none ;;
1487 dnl If user did not say whether to use a toolkit,
1488 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1489       * ) USE_X_TOOLKIT=maybe ;;
1490     esac
1491   ;;
1492   none )
1493     HAVE_X_WINDOWS=no
1494     HAVE_X11=no
1495     USE_X_TOOLKIT=none
1496   ;;
1497 esac
1498
1499 ### If we're using X11, we should use the X menu package.
1500 HAVE_MENUS=no
1501 case ${HAVE_X11} in
1502   yes ) HAVE_MENUS=yes ;;
1503 esac
1504
1505 if test "${opsys}" = "hpux9"; then
1506   case "${x_libraries}" in
1507     *X11R4* )
1508       opsysfile="s/hpux9-x11r4.h"
1509       ;;
1510   esac
1511 fi
1512
1513 if test "${opsys}" = "hpux9shr"; then
1514   case "${x_libraries}" in
1515     *X11R4* )
1516       opsysfile="s/hpux9shxr4.h"
1517       ;;
1518   esac
1519 fi
1520
1521 ### Compute the unexec source name from the object name.
1522 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1523
1524 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1525 # Assume not, until told otherwise.
1526 GNU_MALLOC=yes
1527 doug_lea_malloc=yes
1528 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1529 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1530 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1531                emacs_cv_var___after_morecore_hook,
1532 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1533   emacs_cv_var___after_morecore_hook=yes,
1534   emacs_cv_var___after_morecore_hook=no)])
1535 if test $emacs_cv_var___after_morecore_hook = no; then
1536   doug_lea_malloc=no
1537 fi
1538 if test "${system_malloc}" = "yes"; then
1539   GNU_MALLOC=no
1540   GNU_MALLOC_reason="
1541     (The GNU allocators don't work with this system configuration.)"
1542 fi
1543 if test "$doug_lea_malloc" = "yes" ; then
1544   if test "$GNU_MALLOC" = yes ; then
1545     GNU_MALLOC_reason="
1546       (Using Doug Lea's new malloc from the GNU C Library.)"
1547   fi
1548   AC_DEFINE(DOUG_LEA_MALLOC)
1549 fi
1550
1551 if test x"${REL_ALLOC}" = x; then
1552   REL_ALLOC=${GNU_MALLOC}
1553 fi
1554
1555 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1556 dnl the system configuration file (s/*.h) to turn the use of mmap
1557 dnl in the relocating allocator on.
1558
1559 AC_FUNC_MMAP
1560 if test $use_mmap_for_buffers = yes; then
1561   REL_ALLOC=no
1562 fi
1563
1564 LIBS="$libsrc_libs $LIBS"
1565
1566 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1567 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1568 AC_CHECK_LIB(dnet, dnet_ntoa)
1569 dnl This causes -lresolv to get used in subsequent tests,
1570 dnl which causes failures on some systems such as HPUX 9.
1571 dnl AC_CHECK_LIB(resolv, gethostbyname)
1572
1573 dnl FIXME replace main with a function we actually want from this library.
1574 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1575
1576 AC_CHECK_LIB(pthreads, cma_open)
1577
1578 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1579 if test -d /usr/X386/include; then
1580   HAVE_XFREE386=yes
1581   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1582 else
1583   HAVE_XFREE386=no
1584 fi
1585 AC_MSG_RESULT($HAVE_XFREE386)
1586
1587 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1588 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1589
1590 REAL_CPPFLAGS="$CPPFLAGS"
1591
1592 if test "${HAVE_X11}" = "yes"; then
1593   DEFS="$C_SWITCH_X_SITE $DEFS"
1594   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1595   LIBS="$LIBX $LIBS"
1596   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1597   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1598
1599   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1600   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1601   # but it's more convenient here to set LD_RUN_PATH
1602   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1603   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1604     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1605     export LD_RUN_PATH
1606   fi
1607
1608   if test "${opsys}" = "gnu-linux"; then
1609     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1610     AC_TRY_LINK([],
1611      [XOpenDisplay ("foo");],
1612      [xlinux_first_failure=no],
1613      [xlinux_first_failure=yes])
1614     if test "${xlinux_first_failure}" = "yes"; then
1615       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1616       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1617       OLD_CPPFLAGS="$CPPFLAGS"
1618       OLD_LIBS="$LIBS"
1619       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1620       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1621       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1622       LIBS="$LIBS -b i486-linuxaout"
1623       AC_TRY_LINK([],
1624        [XOpenDisplay ("foo");],
1625        [xlinux_second_failure=no],
1626        [xlinux_second_failure=yes])
1627       if test "${xlinux_second_failure}" = "yes"; then
1628         # If we get the same failure with -b, there is no use adding -b.
1629         # So take it out.  This plays safe.
1630         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1631         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1632         CPPFLAGS="$OLD_CPPFLAGS"
1633         LIBS="$OLD_LIBS"
1634         AC_MSG_RESULT(no)
1635       else
1636         AC_MSG_RESULT(yes)
1637       fi
1638     else
1639       AC_MSG_RESULT(no)
1640     fi
1641   fi
1642
1643   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1644   # header files included from there.
1645   AC_MSG_CHECKING(for Xkb)
1646   AC_TRY_LINK([#include <X11/Xlib.h>
1647 #include <X11/XKBlib.h>],
1648         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1649         emacs_xkb=yes, emacs_xkb=no)
1650   AC_MSG_RESULT($emacs_xkb)
1651   if test $emacs_xkb = yes; then
1652     AC_DEFINE(HAVE_XKBGETKEYBOARD)
1653   fi
1654
1655   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1656 XScreenNumberOfScreen XSetWMProtocols)
1657 fi
1658
1659 if test "${window_system}" = "x11"; then
1660   AC_MSG_CHECKING(X11 version 6)
1661   AC_CACHE_VAL(emacs_cv_x11_version_6,
1662   [AC_TRY_LINK([#include <X11/Xlib.h>],
1663 [#if XlibSpecificationRelease < 6
1664 fail;
1665 #endif
1666 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1667   if test $emacs_cv_x11_version_6 = yes; then
1668     AC_MSG_RESULT(6 or newer)
1669     AC_DEFINE(HAVE_X11R6)
1670   else
1671     AC_MSG_RESULT(before 6)
1672   fi
1673 fi
1674
1675 if test "${window_system}" = "x11"; then
1676   AC_MSG_CHECKING(X11 version 5)
1677   AC_CACHE_VAL(emacs_cv_x11_version_5,
1678   [AC_TRY_LINK([#include <X11/Xlib.h>],
1679 [#if XlibSpecificationRelease < 5
1680 fail;
1681 #endif
1682 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
1683   if test $emacs_cv_x11_version_5 = yes; then
1684     AC_MSG_RESULT(5 or newer)
1685     HAVE_X11R5=yes
1686     AC_DEFINE(HAVE_X11R5)
1687   else
1688     HAVE_X11R5=no
1689     AC_MSG_RESULT(before 5)
1690   fi
1691 fi
1692
1693 dnl Do not put whitespace before the #include statements below.
1694 dnl Older compilers (eg sunos4 cc) choke on it.
1695 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1696   if test x"${HAVE_X11R5}" = xyes; then
1697     AC_MSG_CHECKING(X11 version 5 with Xaw)
1698     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1699     [AC_TRY_LINK([
1700 #include <X11/Intrinsic.h>
1701 #include <X11/Xaw/Simple.h>],
1702       [],
1703       emacs_cv_x11_version_5_with_xaw=yes,
1704       emacs_cv_x11_version_5_with_xaw=no)])
1705     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1706       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1707       USE_X_TOOLKIT=LUCID
1708     else
1709       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1710       USE_X_TOOLKIT=none
1711     fi
1712   else
1713     USE_X_TOOLKIT=none
1714   fi
1715 fi
1716
1717 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1718
1719 if test "${USE_X_TOOLKIT}" != "none"; then
1720   AC_MSG_CHECKING(X11 toolkit version)
1721   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1722   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1723 [#if XtSpecificationRelease < 6
1724 fail;
1725 #endif
1726 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1727   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1728   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1729     AC_MSG_RESULT(6 or newer)
1730     AC_DEFINE(HAVE_X11XTR6)
1731   else
1732     AC_MSG_RESULT(before 6)
1733   fi
1734
1735 dnl If using toolkit, check whether libXmu.a exists.
1736 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1737   OLDLIBS="$LIBS"
1738   if test x$HAVE_X11XTR6 = xyes; then
1739     LIBS="-lXt -lSM -lICE $LIBS"
1740   else
1741     LIBS="-lXt $LIBS"
1742   fi
1743   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1744   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1745 fi
1746
1747 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1748 if test "${HAVE_X11}" = "yes"; then
1749   if test "${USE_X_TOOLKIT}" != "none"; then
1750     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1751   fi
1752 fi
1753
1754 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1755   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1756   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1757     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1758 int x = 5;
1759 #else
1760 Motif version prior to 2.1.
1761 #endif],
1762     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1763   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1764   if test $emacs_cv_motif_version_2_1 = yes; then
1765     HAVE_LIBXP=no
1766     AC_DEFINE(HAVE_MOTIF_2_1)
1767     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1768     if test ${HAVE_LIBXP} = yes; then
1769       AC_DEFINE(HAVE_LIBXP)
1770     fi
1771   fi
1772 fi
1773
1774 ### Is -lXaw3d available?
1775 HAVE_XAW3D=no
1776 if test "${HAVE_X11}" = "yes"; then
1777   if test "${USE_X_TOOLKIT}" != "none"; then
1778     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1779         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes))
1780     if test "${HAVE_XAW3D}" = "yes"; then
1781         AC_DEFINE(HAVE_XAW3D)
1782     fi
1783   fi
1784 fi
1785
1786 dnl Use toolkit scroll bars if configured for X toolkit and either
1787 dnl using Motif or Xaw3d is available, and unless
1788 dnl --with-toolkit-scroll-bars=no was specified.
1789
1790 USE_TOOLKIT_SCROLL_BARS=no
1791 if test "${with_toolkit_scroll_bars}" != "no"; then
1792   if test "${USE_X_TOOLKIT}" != "none"; then
1793     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1794       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1795       HAVE_XAW3D=no
1796       USE_TOOLKIT_SCROLL_BARS=yes
1797     elif test "${HAVE_XAW3D}" = "yes"; then
1798       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1799       USE_TOOLKIT_SCROLL_BARS=yes
1800     fi
1801   fi
1802 fi
1803
1804 dnl Don't use X11 input methods if user specifies he doesn't want it
1805 dnl with `--with-xim=no'.
1806
1807 if test "${with_xim}" != "no"; then
1808   AC_DEFINE(USE_XIM)
1809 fi
1810
1811 ### Use -lXpm if available, unless `--with-xpm=no'.
1812 HAVE_XPM=no
1813 if test "${HAVE_X11}" = "yes"; then
1814   if test "${with_xpm}" != "no"; then
1815     AC_CHECK_HEADER(X11/xpm.h,
1816       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1817     if test "${HAVE_XPM}" = "yes"; then
1818       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1819       AC_EGREP_CPP(no_return_alloc_pixels,
1820       [#include "X11/xpm.h"
1821 #ifndef XpmReturnAllocPixels
1822 no_return_alloc_pixels
1823 #endif
1824       ], HAVE_XPM=no, HAVE_XPM=yes)
1825
1826       if test "${HAVE_XPM}" = "yes"; then
1827         AC_MSG_RESULT(yes)
1828       else
1829         AC_MSG_RESULT(no)
1830       fi
1831     fi
1832   fi
1833
1834   if test "${HAVE_XPM}" = "yes"; then
1835     AC_DEFINE(HAVE_XPM)
1836   fi
1837 fi
1838
1839 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1840 HAVE_JPEG=no
1841 if test "${HAVE_X11}" = "yes"; then
1842   if test "${with_jpeg}" != "no"; then
1843     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1844     dnl  HAVE_STDLIB_H.
1845     AC_CHECK_HEADER(jerror.h,
1846       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
1847   fi
1848
1849   if test "${HAVE_JPEG}" = "yes"; then
1850     AC_DEFINE(HAVE_JPEG)
1851   fi
1852 fi
1853
1854 ### Use -lpng if available, unless `--with-png=no'.
1855 HAVE_PNG=no
1856 if test "${HAVE_X11}" = "yes"; then
1857   if test "${with_png}" != "no"; then
1858     AC_CHECK_HEADER(png.h,
1859       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm))
1860   fi
1861
1862   if test "${HAVE_PNG}" = "yes"; then
1863     AC_DEFINE(HAVE_PNG)
1864   fi
1865 fi
1866
1867 ### Use -ltiff if available, unless `--with-tiff=no'.
1868 HAVE_TIFF=no
1869 if test "${HAVE_X11}" = "yes"; then
1870   if test "${with_tiff}" != "no"; then
1871     AC_CHECK_HEADER(tiffio.h,
1872       tifflibs="-lz -lm"
1873       # At least one tiff package requires the jpeg library.
1874       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1875       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1876   fi
1877
1878   if test "${HAVE_TIFF}" = "yes"; then
1879     AC_DEFINE(HAVE_TIFF)
1880   fi
1881 fi
1882
1883 ### Use -lgif if available, unless `--with-gif=no'.
1884 HAVE_GIF=no
1885 if test "${HAVE_X11}" = "yes"; then
1886   if test "${with_gif}" != "no"; then
1887     AC_CHECK_HEADER(gif_lib.h,
1888       AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes))
1889   fi
1890
1891   if test "${HAVE_GIF}" = "yes"; then
1892     AC_DEFINE(HAVE_GIF)
1893   fi
1894 fi
1895
1896 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1897 AC_CACHE_CHECK(whether netdb declares h_errno,
1898                emacs_cv_netdb_declares_h_errno,
1899 [AC_TRY_LINK([#include <netdb.h>],
1900   [return h_errno;],
1901   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
1902 if test $emacs_cv_netdb_declares_h_errno = yes; then
1903   AC_DEFINE(HAVE_H_ERRNO)
1904 fi
1905
1906 AC_FUNC_ALLOCA
1907
1908 # fmod, logb, and frexp are found in -lm on most systems.
1909 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1910 AC_CHECK_LIB(m, sqrt)
1911
1912 # Check for mail-locking functions in a "mail" library
1913 AC_CHECK_LIB(mail, maillock)
1914 dnl Debian, at least:
1915 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1916 AC_CHECK_LIB(lockfile, maillock)
1917 # If we have the shared liblockfile, assume we must use it for mail
1918 # locking (e.g. Debian).  If we couldn't link against liblockfile
1919 # (no liblockfile.a installed), ensure that we don't need to.
1920 if test "$ac_cv_lib_lockfile_maillock" = no; then
1921   dnl This works for files generally, not just executables.
1922   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1923   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1924                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1925   if test $ac_cv_prog_liblockfile = yes; then
1926     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1927 This probably means that movemail could lose mail.
1928 There may be a \`development' package to install containing liblockfile.])
1929   else AC_DEFINE(LIBMAIL, -llockfile)
1930   fi
1931   else :
1932 fi
1933 AC_CHECK_FUNCS(touchlock)
1934 AC_CHECK_HEADERS(maillock.h)
1935
1936 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1937 rename closedir mkdir rmdir sysinfo \
1938 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1939 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1940 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1941 __fpending mblen mbrlen strsignal setitimer ualarm index rindex \
1942 gai_strerror mkstemp)
1943
1944 AC_FUNC_MKTIME
1945 if test "$ac_cv_func_working_mktime" = no; then
1946   AC_DEFINE(BROKEN_MKTIME)
1947 fi
1948
1949 AC_FUNC_GETLOADAVG
1950
1951 AC_FUNC_FSEEKO
1952
1953 # UNIX98 PTYs.
1954 AC_CHECK_FUNCS(grantpt)
1955
1956 # PTY-related GNU extensions.
1957 AC_CHECK_FUNCS(getpt)
1958
1959 # Check this now, so that we will NOT find the above functions in ncurses.
1960 # That is because we have not set up to link ncurses in lib-src.
1961 # It's better to believe a function is not available
1962 # than to expect to find it in ncurses.
1963 AC_CHECK_LIB(ncurses, tparm)
1964
1965 # Do we need the Hesiod library to provide the support routines?
1966 if test "$with_hesiod" = yes ; then
1967   # Don't set $LIBS here -- see comments above.
1968   resolv=no
1969   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
1970      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
1971                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
1972   if test "$resolv" = yes ; then
1973     RESOLVLIB=-lresolv
1974     AC_DEFINE(HAVE_LIBRESOLV)
1975   else
1976     RESOLVLIB=
1977   fi
1978   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
1979         AC_DEFINE(HAVE_LIBHESIOD), :, $RESOLVLIB)])
1980 fi
1981
1982 # These tell us which Kerberos-related libraries to use.
1983 if test "${with_kerberos+set}" = set; then
1984   AC_CHECK_LIB(com_err, com_err)
1985   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1986   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1987   AC_CHECK_LIB(krb5, krb5_init_context)
1988   if test "${with_kerberos5+set}" != set; then
1989     AC_CHECK_LIB(des425, des_cbc_encrypt,,
1990                  AC_CHECK_LIB(des, des_cbc_encrypt))
1991     AC_CHECK_LIB(krb4, krb_get_cred,,
1992                  AC_CHECK_LIB(krb, krb_get_cred))
1993   fi
1994
1995   if test "${with_kerberos5+set}" = set; then
1996     AC_CHECK_HEADERS(krb5.h)
1997   else
1998     AC_CHECK_HEADERS(des.h,,
1999                      AC_CHECK_HEADERS(kerberosIV/des.h,,
2000                                       AC_CHECK_HEADERS(kerberos/des.h)))
2001     AC_CHECK_HEADERS(krb.h,,
2002                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
2003                                       AC_CHECK_HEADERS(kerberos/krb.h)))
2004   fi
2005   AC_CHECK_HEADERS(com_err.h)
2006 fi
2007
2008 # Solaris requires -lintl if you want strerror (which calls dgettext)
2009 # to return localized messages.
2010 AC_CHECK_LIB(intl, dgettext)
2011
2012 AC_MSG_CHECKING(whether localtime caches TZ)
2013 AC_CACHE_VAL(emacs_cv_localtime_cache,
2014 [if test x$ac_cv_func_tzset = xyes; then
2015 AC_TRY_RUN([#include <time.h>
2016 extern char **environ;
2017 unset_TZ ()
2018 {
2019   char **from, **to;
2020   for (to = from = environ; (*to = *from); from++)
2021     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2022       to++;
2023 }
2024 char TZ_GMT0[] = "TZ=GMT0";
2025 char TZ_PST8[] = "TZ=PST8";
2026 main()
2027 {
2028   time_t now = time ((time_t *) 0);
2029   int hour_GMT0, hour_unset;
2030   if (putenv (TZ_GMT0) != 0)
2031     exit (1);
2032   hour_GMT0 = localtime (&now)->tm_hour;
2033   unset_TZ ();
2034   hour_unset = localtime (&now)->tm_hour;
2035   if (putenv (TZ_PST8) != 0)
2036     exit (1);
2037   if (localtime (&now)->tm_hour == hour_GMT0)
2038     exit (1);
2039   unset_TZ ();
2040   if (localtime (&now)->tm_hour != hour_unset)
2041     exit (1);
2042   exit (0);
2043 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2044 [# If we have tzset, assume the worst when cross-compiling.
2045 emacs_cv_localtime_cache=yes])
2046 else
2047         # If we lack tzset, report that localtime does not cache TZ,
2048         # since we can't invalidate the cache if we don't have tzset.
2049         emacs_cv_localtime_cache=no
2050 fi])dnl
2051 AC_MSG_RESULT($emacs_cv_localtime_cache)
2052 if test $emacs_cv_localtime_cache = yes; then
2053   AC_DEFINE(LOCALTIME_CACHE)
2054 fi
2055
2056 if test "x$HAVE_TIMEVAL" = xyes; then
2057   AC_CHECK_FUNCS(gettimeofday)
2058   AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2059                  emacs_cv_gettimeofday_two_arguments,
2060   [AC_TRY_COMPILE([
2061 #ifdef TIME_WITH_SYS_TIME
2062 #include <sys/time.h>
2063 #include <time.h>
2064 #else
2065 #ifdef HAVE_SYS_TIME_H
2066 #include <sys/time.h>
2067 #else
2068 #include <time.h>
2069 #endif
2070 #endif],
2071     [struct timeval time;
2072      gettimeofday (&time, 0);],
2073     emacs_cv_gettimeofday_two_arguments=yes,
2074     emacs_cv_gettimeofday_two_arguments=no)])
2075   if test $emacs_cv_gettimeofday_two_arguments = no; then
2076     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2077   fi
2078 fi
2079
2080 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2081 if test "$ac_cv_func_gettimeofday" = yes; then
2082   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2083     [AC_TRY_COMPILE([#include <sys/time.h>],
2084     [struct timezone tz;],
2085     dnl It may be that we can't call gettimeofday with a non-null pointer,
2086     dnl even though we have struct timezone (e.g. HPUX).  In that case
2087     dnl we'll lie about struct timezone.
2088     [AC_TRY_RUN([
2089 #ifdef TIME_WITH_SYS_TIME
2090 #include <sys/time.h>
2091 #include <time.h>
2092 #else
2093 #ifdef HAVE_SYS_TIME_H
2094 #include <sys/time.h>
2095 #else
2096 #include <time.h>
2097 #endif
2098 #endif
2099 main () {
2100   struct timeval time;
2101   struct timezone dummy;
2102   exit (gettimeofday (&time, &dummy));
2103 }],
2104       emacs_cv_struct_timezone=yes,
2105       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2106     emacs_cv_struct_timezone=no)])
2107 fi
2108
2109 ok_so_far=yes
2110 AC_CHECK_FUNC(socket, , ok_so_far=no)
2111 if test $ok_so_far = yes; then
2112   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2113 fi
2114 if test $ok_so_far = yes; then
2115   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2116 fi
2117 if test $ok_so_far = yes; then
2118   AC_DEFINE(HAVE_INET_SOCKETS)
2119 fi
2120
2121 if test -f /usr/lpp/X11/bin/smt.exp; then
2122   AC_DEFINE(HAVE_AIX_SMT_EXP)
2123 fi
2124
2125 AC_MSG_CHECKING(whether system supports dynamic ptys)
2126 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2127   AC_MSG_RESULT(yes)
2128   AC_DEFINE(HAVE_DEV_PTMX)
2129 else
2130   AC_MSG_RESULT(no)
2131 fi
2132
2133 AC_FUNC_VFORK
2134
2135 # Fixme: This should be replaced when we have autoconf 2.14.
2136 AC_SIZE_T
2137
2138 # Set up the CFLAGS for real compilation, so we can substitute it.
2139 CFLAGS="$REAL_CFLAGS"
2140 CPPFLAGS="$REAL_CPPFLAGS"
2141
2142 changequote(, )dnl
2143 #### Find out which version of Emacs this is.
2144 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
2145          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2146 changequote([, ])dnl
2147 if test x"${version}" = x; then
2148   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2149 fi
2150
2151 ### Specify what sort of things we'll be editing into Makefile and config.h.
2152 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2153 AC_SUBST(version)
2154 AC_SUBST(configuration)
2155 AC_SUBST(canonical)
2156 AC_SUBST(srcdir)
2157 AC_SUBST(prefix)
2158 AC_SUBST(exec_prefix)
2159 AC_SUBST(bindir)
2160 AC_SUBST(datadir)
2161 AC_SUBST(sharedstatedir)
2162 AC_SUBST(libexecdir)
2163 AC_SUBST(mandir)
2164 AC_SUBST(infodir)
2165 AC_SUBST(lispdir)
2166 AC_SUBST(locallisppath)
2167 AC_SUBST(lisppath)
2168 AC_SUBST(x_default_search_path)
2169 AC_SUBST(etcdir)
2170 AC_SUBST(archlibdir)
2171 AC_SUBST(docdir)
2172 AC_SUBST(bitmapdir)
2173 AC_SUBST(c_switch_system)
2174 AC_SUBST(c_switch_machine)
2175 AC_SUBST(LD_SWITCH_X_SITE)
2176 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2177 AC_SUBST(C_SWITCH_X_SITE)
2178 AC_SUBST(CFLAGS)
2179 AC_SUBST(X_TOOLKIT_TYPE)
2180 AC_SUBST(machfile)
2181 AC_SUBST(opsysfile)
2182 AC_SUBST(GETLOADAVG_LIBS)
2183
2184 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2185 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2186 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2187 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2188 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2189 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2190 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2191 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2192
2193 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2194   AC_DEFINE(HAVE_X_WINDOWS)
2195 fi
2196 if test "${USE_X_TOOLKIT}" != "none" ; then
2197   AC_DEFINE(USE_X_TOOLKIT)
2198 fi
2199 if test "${HAVE_X11}" = "yes" ; then
2200   AC_DEFINE(HAVE_X11)
2201 fi
2202 if test "${HAVE_XFREE386}" = "yes" ; then
2203   AC_DEFINE(HAVE_XFREE386)
2204 fi
2205 if test "${HAVE_MENUS}" = "yes" ; then
2206   AC_DEFINE(HAVE_MENUS)
2207 fi
2208 if test "${GNU_MALLOC}" = "yes" ; then
2209   AC_DEFINE(GNU_MALLOC)
2210 fi
2211 if test "${REL_ALLOC}" = "yes" ; then
2212   AC_DEFINE(REL_ALLOC)
2213 fi
2214
2215 #### Report on what we decided to do.
2216 echo "
2217 Configured for \`${canonical}'.
2218
2219   Where should the build process find the source code?    ${srcdir}
2220   What operating system and machine description files should Emacs use?
2221         \`${opsysfile}' and \`${machfile}'
2222   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2223   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2224   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2225   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
2226   What window system should Emacs use?                    ${window_system}
2227   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2228
2229 if test -n "${x_includes}"; then
2230 echo "  Where do we find X Windows header files?                ${x_includes}"
2231 else
2232 echo "  Where do we find X Windows header files?                Standard dirs"
2233 fi
2234 if test -n "${x_libraries}"; then
2235 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2236 else
2237 echo "  Where do we find X Windows libraries?                   Standard dirs"
2238 fi
2239
2240 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2241 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2242 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2243 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2244 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2245 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2246 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2247 echo
2248
2249 # Remove any trailing slashes in these variables.
2250 changequote(, )dnl
2251 test "${prefix}" != NONE &&
2252   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2253 test "${exec_prefix}" != NONE &&
2254   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2255 changequote([, ])dnl
2256
2257 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
2258 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2259 ## from Makefile.c can correctly provide the arg `-traditional' to the
2260 ## C preprocessor.
2261
2262 AC_EGREP_CPP(yes..yes,
2263         [yes..yes],
2264         CPP_NEED_TRADITIONAL=no,
2265         CPP_NEED_TRADITIONAL=yes)
2266
2267 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2268         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2269         lisp/Makefile leim/Makefile, [
2270
2271 ### Make the necessary directories, if they don't exist.
2272 for dir in etc lisp ; do
2273   test -d ${dir} || mkdir ${dir}
2274 done
2275
2276 # Build src/Makefile from ${srcdir}/src/Makefile.c
2277 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2278 # This must be done after src/config.h is built, since we rely on that file.
2279
2280 changequote(, )dnl The horror, the horror.
2281 # Now get this: Some word that is part of the ${srcdir} directory name
2282 # or the ${configuration} value might, just might, happen to be an
2283 # identifier like `sun4' or `i386' or something, and be predefined by
2284 # the C preprocessor to some helpful value like 1, or maybe the empty
2285 # string.  Needless to say consequent macro substitutions are less
2286 # than conducive to the makefile finding the correct directory.
2287 undefs="`echo $top_srcdir $configuration $canonical |
2288 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2289     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2290 `"
2291 changequote([, ])dnl
2292
2293 echo creating src/epaths.h
2294 ${MAKE-make} epaths-force
2295
2296 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2297 # `..' to `. .'  unless invoked with -traditional
2298
2299 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
2300   CPPFLAGS="$CPPFLAGS -traditional"
2301 fi
2302
2303 echo creating lib-src/Makefile
2304 ( cd lib-src
2305   rm -f junk.c junk1.c junk2.c
2306   sed -e '/start of cpp stuff/q' \
2307       < Makefile.c > junk1.c
2308   sed -e '1,/start of cpp stuff/d'\
2309       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2310       < Makefile.c > junk.c
2311   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2312       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2313   cat junk1.c junk2.c > Makefile.new
2314   rm -f junk.c junk1.c junk2.c
2315   chmod 444 Makefile.new
2316   mv -f Makefile.new Makefile
2317 )
2318
2319 echo creating src/Makefile
2320 ( cd src
2321   rm -f junk.c junk1.c junk2.c
2322   sed -e '/start of cpp stuff/q' \
2323       < Makefile.c > junk1.c
2324   sed -e '1,/start of cpp stuff/d'\
2325       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2326       < Makefile.c > junk.c
2327   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2328       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2329   cat junk1.c junk2.c > Makefile.new
2330   rm -f junk.c junk1.c junk2.c
2331   chmod 444 Makefile.new
2332   mv -f Makefile.new Makefile
2333 )
2334
2335 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
2336   echo creating src/.gdbinit
2337   echo source $srcdir/src/.gdbinit > src/.gdbinit
2338 fi
2339
2340 # This is how we know whether to re-run configure in certain cases.
2341 touch src/config.stamp
2342
2343 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
2344