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 Free Software Foundation, Inc.
   7 dnl
   8 dnl  This file is part of GNU Emacs.
   9 dnl
  10 dnl  GNU Emacs is free software; you can redistribute it and/or modify
  11 dnl  it under the terms of the GNU General Public License as published by
  12 dnl  the Free Software Foundation; either version 2, or (at your option)
  13 dnl  any later version.
  14 dnl
  15 dnl  GNU Emacs is distributed in the hope that it will be useful,
  16 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 dnl  GNU General Public License for more details.
  19 dnl
  20 dnl  You should have received a copy of the GNU General Public License
  21 dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
  22 dnl  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 dnl  Boston, MA 02111-1307, USA.
  24
  25 AC_PREREQ(2.8)dnl
  26 AC_INIT(src/lisp.h)
  27 AC_CONFIG_HEADER(src/config.h:src/config.in)
  28
  29 lispdir='${datadir}/emacs/${version}/lisp'
  30 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  31 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
  32 lisppath='${locallisppath}:${lispdir}'
  33 etcdir='${datadir}/emacs/${version}/etc'
  34 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  35 docdir='${datadir}/emacs/${version}/etc'
  36
  37 AC_ARG_WITH(gcc,
  38 [  --with-gcc              use GCC to compile Emacs])
  39 AC_ARG_WITH(pop,
  40 [  --with-pop              support POP for mail retrieval],
  41 [AC_DEFINE(MAIL_USE_POP)])
  42 AC_ARG_WITH(hesiod,
  43 [  --with-hesiod           support Hesiod to get the POP server host],
  44 [AC_DEFINE(HESIOD)])
  45 dnl This should be the last --with option, because --with-x is
  46 dnl added later on when we find the path of X, and it's best to
  47 dnl keep them together visually.
  48 AC_ARG_WITH(x-toolkit,
  49 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  50 [         case "${withval}" in
  51             y | ye | yes )      val=athena ;;
  52             n | no )            val=no  ;;
  53             l | lu | luc | luci | lucid )       val=lucid ;;
  54             a | at | ath | athe | athen | athena )      val=athena ;;
  55             m | mo | mot | moti | motif )       val=motif ;;
  56 dnl These don't currently work.
  57 dnl         o | op | ope | open | open- | open-l | open-lo \
  58 dnl             | open-loo | open-look )        val=open-look ;;
  59             * )
  60 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  61 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  62 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  63 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  64 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  65             ;;
  66           esac
  67           with_x_toolkit=$val
  68 ])
  69 AC_ARG_WITH(xpm,
  70 [  --with-xpm              use -lXpm for displaying XPM images])
  71 AC_ARG_WITH(jpeg,
  72 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  73 AC_ARG_WITH(tiff,
  74 [  --with-tiff             use -ltiff for displaying TIFF images])
  75 AC_ARG_WITH(gif,
  76 [  --with-gif              use -lungif for displaying GIF images])
  77 AC_ARG_WITH(png,
  78 [  --with-png              use -lpng for displaying PNG images])
  79 AC_ARG_WITH(toolkit-scroll-bars,
  80 [  --with-toolkit-scroll-bars  use Motif or Xaw3d scroll bars])
  81
  82 #### Make srcdir absolute, if it isn't already.  It's important to
  83 #### avoid running the path through pwd unnecessary, since pwd can
  84 #### give you automounter prefixes, which can go away.  We do all this
  85 #### so Emacs can find its files when run uninstalled.
  86 case "${srcdir}" in
  87   /* ) ;;
  88   . )
  89     ## We may be able to use the $PWD environment variable to make this
  90     ## absolute.  But sometimes PWD is inaccurate.
  91     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  92     unset CDPATH
  93     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  94     then
  95       srcdir="$PWD"
  96     else
  97       srcdir="`(cd ${srcdir}; pwd)`"
  98     fi
  99   ;;
 100   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 101 esac
 102
 103 #### Check if the source directory already has a configured system in it.
 104 if test `pwd` != `(cd ${srcdir} && pwd)` \
 105    && test -f "${srcdir}/src/config.h" ; then
 106   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 107    as a build directory right now; it has been configured in its own
 108    right.  To configure in another directory as well, you MUST
 109    use GNU make.  If you do not have GNU make, then you must
 110    now do \`make distclean' in ${srcdir},
 111    and then run $0 again.])
 112
 113 changequote(, )dnl
 114   extrasub='/^VPATH[     ]*=/c\
 115 changequote([, ])dnl
 116 vpath %.c $(srcdir)\
 117 vpath %.h $(srcdir)\
 118 vpath %.y $(srcdir)\
 119 vpath %.l $(srcdir)\
 120 vpath %.s $(srcdir)\
 121 vpath %.in $(srcdir)\
 122 vpath %.texi $(srcdir)'
 123 fi
 124
 125 #### Given the configuration name, set machfile and opsysfile to the
 126 #### names of the m/*.h and s/*.h files we should use.
 127
 128 ### Canonicalize the configuration name.
 129
 130 AC_CANONICAL_HOST
 131 canonical=$host
 132 configuration=$host_alias
 133
 134 changequote(, )dnl
 135
 136 ### If you add support for a new configuration, add code to this
 137 ### switch statement to recognize your configuration name and select
 138 ### the appropriate operating system and machine description files.
 139
 140 ### You would hope that you could choose an m/*.h file pretty much
 141 ### based on the machine portion of the configuration name, and an s-
 142 ### file based on the operating system portion.  However, it turns out
 143 ### that each m/*.h file is pretty manufacturer-specific - for
 144 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 145 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 146 ### machines.  So we basically have to have a special case for each
 147 ### configuration name.
 148 ###
 149 ### As far as handling version numbers on operating systems is
 150 ### concerned, make sure things will fail in a fixable way.  If
 151 ### /etc/MACHINES doesn't say anything about version numbers, be
 152 ### prepared to handle anything reasonably.  If version numbers
 153 ### matter, be sure /etc/MACHINES says something about it.
 154 ###
 155 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 156 ### "System V Release 4"; he writes, "The old convention encouraged
 157 ### confusion between `system' and `release' levels'."
 158
 159 machine='' opsys='' unported=no
 160 case "${canonical}" in
 161
 162   ## NetBSD ports
 163   *-*-netbsd* )
 164     opsys=netbsd
 165     case "${canonical}" in
 166       alpha*-*-netbsd*) machine=alpha ;;
 167       i[3456]86-*-netbsd*) machine=intel386 ;;
 168       m68k-*-netbsd*)
 169                         # This is somewhat bogus.
 170                         machine=hp9000s300 ;;
 171       powerpc-apple-netbsd*) machine=macppc ;;
 172       mips-*-netbsd*)   machine=pmax ;;
 173       ns32k-*-netbsd*)  machine=ns32000 ;;
 174       sparc-*-netbsd*)  machine=sparc ;;
 175       vax-*-netbsd*)    machine=vax ;;
 176     esac
 177   ;;
 178
 179   ## OpenBSD ports
 180   *-*-openbsd* )
 181     opsys=openbsd
 182     case "${canonical}" in
 183       alpha*-*-openbsd*)        machine=alpha ;;
 184       i386-*-openbsd*)  machine=intel386 ;;
 185       m68k-*-openbsd*)  machine=hp9000s300 ;;
 186       mipsel-*-openbsd*) machine=pmax ;;
 187       ns32k-*-openbsd*) machine=ns32000 ;;
 188       sparc-*-openbsd*) machine=sparc ;;
 189       vax-*-openbsd*)   machine=vax ;;
 190     esac
 191   ;;
 192
 193   ## Acorn RISCiX:
 194   arm-acorn-riscix1.1* )
 195     machine=acorn opsys=riscix1-1
 196   ;;
 197   arm-acorn-riscix1.2* | arm-acorn-riscix )
 198     ## This name is riscix12 instead of riscix1.2
 199     ## to avoid a file name conflict on MSDOS.
 200     machine=acorn opsys=riscix12
 201   ;;
 202
 203   ## BSDI ports
 204   *-*-bsdi* )
 205     opsys=bsdi
 206     case "${canonical}" in
 207       i[345]86-*-bsdi*) machine=intel386 ;;
 208       sparc-*-bsdi*)  machine=sparc ;;
 209       powerpc-*-bsdi*)  machine=powerpc ;;
 210     esac
 211     case "${canonical}" in
 212       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 213       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 214       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 215       *-*-bsdi3* )              opsys=bsdos3 ;;
 216       *-*-bsdi4* )              opsys=bsdos4 ;;
 217     esac
 218   ;;
 219
 220   ## Alliant machines
 221   ## Strictly speaking, we need the version of the alliant operating
 222   ## system to choose the right machine file, but currently the
 223   ## configuration name doesn't tell us enough to choose the right
 224   ## one; we need to give alliants their own operating system name to
 225   ## do this right.  When someone cares, they can help us.
 226   fx80-alliant-* )
 227     machine=alliant4 opsys=bsd4-2
 228   ;;
 229   i860-alliant-* )
 230     machine=alliant-2800 opsys=bsd4-3
 231   ;;
 232
 233   ## Alpha (DEC) machines.
 234   alpha*-dec-osf* )
 235     machine=alpha opsys=osf1
 236     # This is needed to find X11R6.1 libraries for certain tests.
 237     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 238     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 239   ;;
 240
 241   alpha*-*-linux-gnu* )
 242     machine=alpha opsys=gnu-linux
 243   ;;
 244
 245   ## Altos 3068
 246   m68*-altos-sysv* )
 247     machine=altos opsys=usg5-2
 248   ;;
 249
 250   ## Amdahl UTS
 251   580-amdahl-sysv* )
 252     machine=amdahl opsys=usg5-2-2
 253   ;;
 254
 255   ## Apollo, Domain/OS
 256   m68*-apollo-* )
 257     machine=apollo opsys=bsd4-3
 258   ;;
 259
 260   ## AT&T 3b2, 3b5, 3b15, 3b20
 261   we32k-att-sysv* )
 262     machine=att3b opsys=usg5-2-2
 263   ;;
 264
 265   ## AT&T 3b1 - The Mighty Unix PC!
 266   m68*-att-sysv* )
 267     machine=7300 opsys=usg5-2-2
 268   ;;
 269
 270   ## Bull dpx20
 271   rs6000-bull-bosx* )
 272     machine=ibmrs6000 opsys=aix3-2
 273   ;;
 274
 275   ## Bull dpx2
 276   m68*-bull-sysv3* )
 277     machine=dpx2 opsys=usg5-3
 278   ;;
 279
 280   ## Bull sps7
 281   m68*-bull-sysv2* )
 282     machine=sps7 opsys=usg5-2
 283   ;;
 284
 285   ## CCI 5/32, 6/32 -- see "Tahoe".
 286
 287   ## Celerity
 288   ## I don't know what configuration name to use for this; config.sub
 289   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 290   ## in touch with us!
 291   celerity-celerity-bsd* )
 292     machine=celerity opsys=bsd4-2
 293   ;;
 294
 295   ## Clipper
 296   ## What operating systems does this chip run that Emacs has been
 297   ## tested on?
 298   clipper-* )
 299     machine=clipper
 300     ## We'll use the catch-all code at the bottom to guess the
 301     ## operating system.
 302   ;;
 303
 304   ## Convex
 305   *-convex-bsd* | *-convex-convexos* )
 306     machine=convex opsys=bsd4-3
 307     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 308     NON_GNU_CPP="cc -E -P"
 309   ;;
 310
 311   ## Cubix QBx/386
 312   i[3456]86-cubix-sysv* )
 313     machine=intel386 opsys=usg5-3
 314   ;;
 315
 316   ## Cydra 5
 317   cydra*-cydrome-sysv* )
 318     machine=cydra5 opsys=usg5-3
 319   ;;
 320
 321   ## Data General AViiON Machines
 322   ## DG changed naming conventions with the release of 5.4.4.10, they
 323   ## dropped the initial 5.4 but left the intervening R.  Because of the
 324   ## R this shouldn't conflict with older versions of the OS (which I
 325   ## think were named like dgux4.*). In addition, DG new AViiONs series
 326   ## uses either Motorola M88k or Intel Pentium CPUs.
 327   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 328     machine=aviion opsys=dgux4
 329   ;;
 330   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 331     ## This name is dgux5-4-3 instead of dgux5-4r3
 332     ## to avoid a file name conflict on MSDOS.
 333     machine=aviion opsys=dgux5-4-3
 334   ;;
 335   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 336     machine=aviion opsys=dgux5-4r2
 337   ;;
 338   m88k-dg-dgux* )
 339     machine=aviion opsys=dgux
 340   ;;
 341
 342   ## Data General AViiON Intel (x86) Machines
 343   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 344   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 345   i[345]86-dg-dguxR4* )
 346     machine=aviion-intel opsys=dgux4
 347   ;;
 348
 349   ## DECstations
 350   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 351     machine=pmax opsys=bsd4-2
 352   ;;
 353   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 354     machine=pmax opsys=bsd4-3
 355   ;;
 356   mips-dec-ultrix* )
 357     machine=pmax opsys=ultrix4-3
 358   ;;
 359   mips-dec-osf* )
 360     machine=pmax opsys=osf1
 361   ;;
 362   mips-dec-mach_bsd4.3* )
 363     machine=pmax opsys=mach-bsd4-3
 364   ;;
 365
 366   ## Motorola Delta machines
 367   m68k-motorola-sysv* | m68000-motorola-sysv* )
 368     machine=delta opsys=usg5-3
 369     if test -z "`type gnucc | grep 'not found'`"
 370     then
 371       if test -s /etc/167config
 372       then CC="gnucc -m68040"
 373       else CC="gnucc -m68881"
 374       fi
 375     else
 376       if test -z "`type gcc | grep 'not found'`"
 377       then CC=gcc
 378       else CC=cc
 379       fi
 380     fi
 381   ;;
 382   m88k-motorola-sysv4* )
 383     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 384     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 385     # I hope there are not other 4.0 versions for this machine
 386     # which really need usg5-4 instead.
 387     machine=delta88k opsys=usg5-4-2
 388   ;;
 389   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 390     machine=delta88k opsys=usg5-3
 391   ;;
 392
 393   ## Dual machines
 394   m68*-dual-sysv* )
 395     machine=dual opsys=usg5-2
 396   ;;
 397   m68*-dual-uniplus* )
 398     machine=dual opsys=unipl5-2
 399   ;;
 400
 401   ## Elxsi 6400
 402   elxsi-elxsi-sysv* )
 403     machine=elxsi opsys=usg5-2
 404   ;;
 405
 406   ## Encore machines
 407   ns16k-encore-bsd* )
 408     machine=ns16000 opsys=umax
 409   ;;
 410
 411   ## The GEC 93 - apparently, this port isn't really finished yet.
 412
 413   ## Gould Power Node and NP1
 414   pn-gould-bsd4.2* )
 415     machine=gould opsys=bsd4-2
 416   ;;
 417   pn-gould-bsd4.3* )
 418     machine=gould opsys=bsd4-3
 419   ;;
 420   np1-gould-bsd* )
 421     machine=gould-np1 opsys=bsd4-3
 422   ;;
 423
 424   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 425   ## as far as Emacs is concerned).
 426   m88k-harris-cxux* )
 427     # Build needs to be different on 7.0 and later releases
 428     case "`uname -r`" in
 429        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 430        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 431     esac
 432     NON_GNU_CPP="/lib/cpp"
 433   ;;
 434   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 435   m68k-harris-cxux* )
 436     machine=nh3000 opsys=cxux
 437   ;;
 438   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 439   powerpc-harris-powerunix )
 440     machine=nh6000 opsys=powerunix
 441     NON_GNU_CPP="cc -Xo -E -P"
 442   ;;
 443   ## SR2001/SR2201 running HI-UX/MPP
 444   hppa1.1-hitachi-hiuxmpp* )
 445     machine=sr2k opsys=hiuxmpp
 446   ;;
 447   ## Honeywell XPS100
 448   xps*-honeywell-sysv* )
 449     machine=xps100 opsys=usg5-2
 450   ;;
 451
 452   ## HP 9000 series 200 or 300
 453   m68*-hp-bsd* )
 454     machine=hp9000s300 opsys=bsd4-3
 455   ;;
 456   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 457   m68*-hp-hpux* )
 458     case "`uname -r`" in
 459       ## Someone's system reports A.B8.05 for this.
 460       ## I wonder what other possibilities there are.
 461       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 462       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 463       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 464       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 465       *) machine=hp9000s300 opsys=hpux ;;
 466     esac
 467   ;;
 468
 469   ## HP 9000 series 700 and 800, running HP/UX
 470   hppa*-hp-hpux7* )
 471     machine=hp800 opsys=hpux
 472   ;;
 473   hppa*-hp-hpux8* )
 474     machine=hp800 opsys=hpux8
 475   ;;
 476   hppa*-hp-hpux9shr* )
 477     machine=hp800 opsys=hpux9shr
 478   ;;
 479   hppa*-hp-hpux9* )
 480     machine=hp800 opsys=hpux9
 481   ;;
 482   hppa*-hp-hpux1[0-9]* )
 483     machine=hp800 opsys=hpux10
 484   ;;
 485
 486   ## HP 9000 series 700 and 800, running HP/UX
 487   hppa*-hp-hpux* )
 488     ## Cross-compilation?  Nah!
 489     case "`uname -r`" in
 490       ## Someone's system reports A.B8.05 for this.
 491       ## I wonder what other possibilities there are.
 492       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 493       *.08.* ) machine=hp800 opsys=hpux8 ;;
 494       *.09.* ) machine=hp800 opsys=hpux9 ;;
 495       *) machine=hp800 opsys=hpux10 ;;
 496     esac
 497   ;;
 498   hppa*-*-nextstep* )
 499     machine=hp800 opsys=nextstep
 500   ;;
 501
 502   ## Orion machines
 503   orion-orion-bsd* )
 504     machine=orion opsys=bsd4-2
 505   ;;
 506   clipper-orion-bsd* )
 507     machine=orion105 opsys=bsd4-2
 508   ;;
 509
 510   ## IBM machines
 511   i[3456]86-ibm-aix1.1* )
 512     machine=ibmps2-aix opsys=usg5-2-2
 513   ;;
 514   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 515     machine=ibmps2-aix opsys=usg5-3
 516   ;;
 517   i370-ibm-aix*)
 518     machine=ibm370aix opsys=usg5-3
 519   ;;
 520   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 521     machine=ibmrs6000 opsys=aix3-1
 522   ;;
 523   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 524     machine=ibmrs6000 opsys=aix3-2-5
 525   ;;
 526   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 527     machine=ibmrs6000 opsys=aix4-1
 528   ;;
 529   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 530     machine=ibmrs6000 opsys=aix4-2
 531   ;;
 532   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 533     machine=ibmrs6000 opsys=aix4
 534   ;;
 535   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 536     machine=ibmrs6000 opsys=aix4-1
 537   ;;
 538   rs6000-ibm-aix* | powerpc-ibm-aix* )
 539     machine=ibmrs6000 opsys=aix3-2
 540   ;;
 541   romp-ibm-bsd4.3* )
 542     machine=ibmrt opsys=bsd4-3
 543   ;;
 544   romp-ibm-bsd4.2* )
 545     machine=ibmrt opsys=bsd4-2
 546   ;;
 547   romp-ibm-aos4.3* )
 548     machine=ibmrt opsys=bsd4-3
 549   ;;
 550   romp-ibm-aos4.2* )
 551     machine=ibmrt opsys=bsd4-2
 552   ;;
 553   romp-ibm-aos* )
 554     machine=ibmrt opsys=bsd4-3
 555   ;;
 556   romp-ibm-bsd* )
 557     machine=ibmrt opsys=bsd4-3
 558   ;;
 559   romp-ibm-aix* )
 560     machine=ibmrt-aix opsys=usg5-2-2
 561   ;;
 562
 563   ## Integrated Solutions `Optimum V'
 564   m68*-isi-bsd4.2* )
 565     machine=isi-ov opsys=bsd4-2
 566   ;;
 567   m68*-isi-bsd4.3* )
 568     machine=isi-ov opsys=bsd4-3
 569   ;;
 570
 571   ## Intel 386 machines where we do care about the manufacturer
 572   i[3456]86-intsys-sysv* )
 573     machine=is386 opsys=usg5-2-2
 574   ;;
 575
 576   ## Prime EXL
 577   i[3456]86-prime-sysv* )
 578     machine=i386 opsys=usg5-3
 579   ;;
 580
 581   ## Sequent Symmetry running Dynix
 582   i[3456]86-sequent-bsd* )
 583     machine=symmetry opsys=bsd4-3
 584   ;;
 585
 586   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 587   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 588     machine=sequent-ptx opsys=ptx4
 589     NON_GNU_CPP=/lib/cpp
 590   ;;
 591
 592   ## Sequent Symmetry running DYNIX/ptx
 593   ## Use the old cpp rather than the newer ANSI one.
 594   i[3456]86-sequent-ptx* )
 595     machine=sequent-ptx opsys=ptx
 596     NON_GNU_CPP="/lib/cpp"
 597   ;;
 598
 599   ## ncr machine running svr4.3.
 600   i[3456]86-ncr-sysv4.3 )
 601     machine=ncr386 opsys=usg5-4-3
 602   ;;
 603
 604   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 605   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 606   i[3456]86-ncr-sysv* )
 607     machine=ncr386 opsys=usg5-4-2
 608   ;;
 609
 610   ## Intel Paragon OSF/1
 611   i860-intel-osf1* )
 612     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 613   ;;
 614
 615   ## Intel 860
 616   i860-*-sysv4* )
 617     machine=i860 opsys=usg5-4
 618     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 619     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 620   ;;
 621
 622   ## Masscomp machines
 623   m68*-masscomp-rtu* )
 624     machine=masscomp opsys=rtu
 625   ;;
 626
 627   ## Megatest machines
 628   m68*-megatest-bsd* )
 629     machine=mega68 opsys=bsd4-2
 630   ;;
 631
 632   ## Workstations sold by MIPS
 633   ## This is not necessarily all workstations using the MIPS processor -
 634   ## Irises are produced by SGI, and DECstations by DEC.
 635
 636   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 637   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 638   ## it gives for choosing between the alternatives seems to be "Use
 639   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 640   ## the BSD world."  I'll assume that these are instructions for
 641   ## handling two odd situations, and that every other situation
 642   ## should use mips.h and usg5-2-2, they being listed first.
 643   mips-mips-usg* )
 644     machine=mips4
 645     ## Fall through to the general code at the bottom to decide on the OS.
 646   ;;
 647   mips-mips-riscos4* )
 648     machine=mips4 opsys=bsd4-3
 649     NON_GNU_CC="cc -systype bsd43"
 650     NON_GNU_CPP="cc -systype bsd43 -E"
 651   ;;
 652   mips-mips-riscos5* )
 653     machine=mips4 opsys=riscos5
 654     NON_GNU_CC="cc -systype bsd43"
 655     NON_GNU_CPP="cc -systype bsd43 -E"
 656   ;;
 657   mips-mips-bsd* )
 658     machine=mips opsys=bsd4-3
 659   ;;
 660   mips-mips-* )
 661     machine=mips opsys=usg5-2-2
 662   ;;
 663
 664   ## NeXT
 665   m68*-next-* | m68k-*-nextstep* )
 666     machine=m68k opsys=nextstep
 667   ;;
 668
 669   ## The complete machine from National Semiconductor
 670   ns32k-ns-genix* )
 671     machine=ns32000 opsys=usg5-2
 672   ;;
 673
 674   ## NCR machines
 675   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 676     machine=tower32 opsys=usg5-2-2
 677   ;;
 678   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 679     machine=tower32v3 opsys=usg5-3
 680   ;;
 681
 682   ## NEC EWS4800
 683   mips-nec-sysv4*)
 684   machine=ews4800 opsys=ux4800
 685   ;;
 686
 687   ## Nixdorf Targon 31
 688   m68*-nixdorf-sysv* )
 689     machine=targon31 opsys=usg5-2-2
 690   ;;
 691
 692   ## Nu (TI or LMI)
 693   m68*-nu-sysv* )
 694     machine=nu opsys=usg5-2
 695   ;;
 696
 697   ## Plexus
 698   m68*-plexus-sysv* )
 699     machine=plexus opsys=usg5-2
 700   ;;
 701
 702   ## PowerPC reference platform
 703   powerpcle-*-solaris2* )
 704     machine=prep
 705     opsys=sol2-5
 706   ;;
 707
 708   ## Pyramid machines
 709   ## I don't really have any idea what sort of processor the Pyramid has,
 710   ## so I'm assuming it is its own architecture.
 711   pyramid-pyramid-bsd* )
 712     machine=pyramid opsys=bsd4-2
 713   ;;
 714
 715   ## Sequent Balance
 716   ns32k-sequent-bsd4.2* )
 717     machine=sequent opsys=bsd4-2
 718   ;;
 719   ns32k-sequent-bsd4.3* )
 720     machine=sequent opsys=bsd4-3
 721   ;;
 722
 723   ## Siemens Nixdorf
 724   mips-siemens-sysv* | mips-sni-sysv*)
 725     machine=mips-siemens opsys=usg5-4
 726     NON_GNU_CC=/usr/ccs/bin/cc
 727     NON_GNU_CPP=/usr/ccs/lib/cpp
 728   ;;
 729
 730   ## Silicon Graphics machines
 731   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 732   m68*-sgi-iris3.5* )
 733     machine=irist opsys=iris3-5
 734   ;;
 735   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 736     machine=irist opsys=iris3-6
 737   ;;
 738   ## Iris 4D
 739   mips-sgi-irix3* )
 740     machine=iris4d opsys=irix3-3
 741   ;;
 742   mips-sgi-irix4* )
 743     machine=iris4d opsys=irix4-0
 744   ;;
 745   mips-sgi-irix6.5 )
 746     machine=iris4d opsys=irix6-5
 747     NON_GNU_CPP=/lib/cpp
 748     NON_GCC_TEST_OPTIONS="-n32 -G0"
 749   ;;
 750   mips-sgi-irix6* )
 751     machine=iris4d opsys=irix6-0
 752     NON_GNU_CPP=/lib/cpp
 753     NON_GCC_TEST_OPTIONS=-32
 754   ;;
 755   mips-sgi-irix5.[01]* )
 756     machine=iris4d opsys=irix5-0
 757   ;;
 758   mips-sgi-irix5* | mips-sgi-irix* )
 759     machine=iris4d opsys=irix5-2
 760   ;;
 761
 762   ## SONY machines
 763   m68*-sony-bsd4.2* )
 764     machine=news opsys=bsd4-2
 765   ;;
 766   m68*-sony-bsd4.3* )
 767     machine=news opsys=bsd4-3
 768   ;;
 769   m68*-sony-newsos3* | m68*-sony-news3*)
 770     machine=news opsys=bsd4-3
 771   ;;
 772   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 773     machine=news-risc opsys=bsd4-3
 774   ;;
 775   mips-sony-newsos6* )
 776     machine=news-r6 opsys=newsos6
 777   ;;
 778   mips-sony-news* )
 779     machine=news-risc opsys=newsos5
 780   ;;
 781
 782   ## Stride
 783   m68*-stride-sysv* )
 784     machine=stride opsys=usg5-2
 785   ;;
 786
 787   ## Suns
 788   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 789     machine=sparc opsys=gnu-linux
 790   ;;
 791
 792   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 793     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 794     | rs6000-*-solaris2*)
 795     case "${canonical}" in
 796       m68*-sunos1* )    machine=sun1 ;;
 797       m68*-sunos2* )    machine=sun2 ;;
 798       m68* )            machine=sun3 ;;
 799       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 800       i[3456]86-*-* )     machine=intel386 ;;
 801       powerpcle* )      machine=powerpcle ;;
 802       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 803       sparc* )          machine=sparc ;;
 804       * )               unported=yes ;;
 805     esac
 806     case "${canonical}" in
 807       ## The Sun386 didn't get past 4.0.
 808       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 809       *-sunos4.0*         ) opsys=sunos4-0 ;;
 810       *-sunos4.1.[3-9]*noshare )
 811                 ## This name is sunos413 instead of sunos4-1-3
 812                 ## to avoid a file name conflict on MSDOS.
 813                 opsys=sunos413
 814                 NON_GNU_CPP=/usr/lib/cpp
 815                 NON_GCC_TEST_OPTIONS=-Bstatic
 816                 GCC_TEST_OPTIONS=-static
 817                 ;;
 818       *-sunos4.1.[3-9]* | *-sunos4shr*)
 819                 opsys=sunos4shr
 820                 NON_GNU_CPP=/usr/lib/cpp
 821                 ;;
 822       *-sunos4* | *-sunos )
 823                 opsys=sunos4-1
 824                 NON_GCC_TEST_OPTIONS=-Bstatic
 825                 GCC_TEST_OPTIONS=-static
 826                 ;;
 827       *-sunos5.3* | *-solaris2.3* )
 828                 opsys=sol2-3
 829                 NON_GNU_CPP=/usr/ccs/lib/cpp
 830                 ;;
 831       *-sunos5.4* | *-solaris2.4* )
 832                 opsys=sol2-4
 833                 NON_GNU_CPP=/usr/ccs/lib/cpp
 834                 RANLIB="ar -ts"
 835                 ;;
 836       *-sunos5.5* | *-solaris2.5* )
 837                 opsys=sol2-5
 838                 NON_GNU_CPP=/usr/ccs/lib/cpp
 839                 RANLIB="ar -ts"
 840                 ;;
 841       *-sunos5* | *-solaris* )
 842                 opsys=sol2-5
 843                 NON_GNU_CPP=/usr/ccs/lib/cpp
 844                 ;;
 845       *                   ) opsys=bsd4-2   ;;
 846     esac
 847     ## Watch out for a compiler that we know will not work.
 848     case "${canonical}" in
 849      *-solaris* | *-sunos5* )
 850                 if [ "x$CC" = x/usr/ucb/cc ]; then
 851                   ## /usr/ucb/cc doesn't work;
 852                   ## we should find some other compiler that does work.
 853                   unset CC
 854                 fi
 855                 ;;
 856       *) ;;
 857     esac
 858   ;;
 859   sparc-*-nextstep* )
 860     machine=sparc opsys=nextstep
 861   ;;
 862
 863   ## Tadpole 68k
 864   m68*-tadpole-sysv* )
 865     machine=tad68k opsys=usg5-3
 866   ;;
 867
 868   ## Tahoe machines
 869   tahoe-tahoe-bsd4.2* )
 870     machine=tahoe opsys=bsd4-2
 871   ;;
 872   tahoe-tahoe-bsd4.3* )
 873     machine=tahoe opsys=bsd4-3
 874   ;;
 875
 876   ## Tandem Integrity S2
 877   mips-tandem-sysv* )
 878     machine=tandem-s2 opsys=usg5-3
 879   ;;
 880
 881   ## Tektronix XD88
 882   m88k-tektronix-sysv3* )
 883   machine=tekxd88 opsys=usg5-3
 884   ;;
 885
 886   ## Tektronix 16000 box (6130?)
 887   ns16k-tektronix-bsd* )
 888     machine=ns16000 opsys=bsd4-2
 889   ;;
 890   ## Tektronix 4300
 891   ## src/m/tek4300.h hints that this is a m68k machine.
 892   m68*-tektronix-bsd* )
 893     machine=tek4300 opsys=bsd4-3
 894   ;;
 895
 896   ## Titan P2 or P3
 897   ## We seem to have lost the machine-description file titan.h!
 898   titan-titan-sysv* )
 899     machine=titan opsys=usg5-3
 900   ;;
 901
 902   ## Ustation E30 (SS5E)
 903   m68*-unisys-uniplus* )
 904     machine=ustation opsystem=unipl5-2
 905   ;;
 906
 907   ## Vaxen.
 908   vax-dec-* )
 909     machine=vax
 910     case "${canonical}" in
 911       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 912       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 913       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 914       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 915       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 916       *-vms* )                                          opsys=vms ;;
 917       * )                                               unported=yes
 918     esac
 919   ;;
 920
 921   ## Whitechapel MG1
 922   ns16k-whitechapel-* )
 923     machine=mg1
 924     ## We don't know what sort of OS runs on these; we'll let the
 925     ## operating system guessing code below try.
 926   ;;
 927
 928   ## Wicat
 929   m68*-wicat-sysv* )
 930     machine=wicat opsys=usg5-2
 931   ;;
 932
 933   ## Intel 386 machines where we don't care about the manufacturer
 934   i[3456]86-*-* )
 935     machine=intel386
 936     case "${canonical}" in
 937       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 938       *-isc2.2* )               opsys=isc2-2 ;;
 939       *-isc4.0* )               opsys=isc4-0 ;;
 940       *-isc4.* )                opsys=isc4-1
 941                                 GCC_TEST_OPTIONS=-posix
 942                                 NON_GCC_TEST_OPTIONS=-Xp
 943                                 ;;
 944       *-isc* )                  opsys=isc3-0 ;;
 945       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 946       *-esix* )                 opsys=esix ;;
 947       *-xenix* )                opsys=xenix ;;
 948       *-linux-gnu* )            opsys=gnu-linux ;;
 949       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 950       *-sco3.2v5* )             opsys=sco5
 951                                 NON_GNU_CPP=/lib/cpp
 952                                 # Prevent -belf from being passed to $CPP.
 953                                 # /lib/cpp does not accept it.
 954                                 OVERRIDE_CPPFLAGS=" "
 955                                 ;;
 956       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 957       *-386bsd* )               opsys=386bsd ;;
 958       *-freebsd* )              opsys=freebsd ;;
 959       *-nextstep* )             opsys=nextstep ;;
 960       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 961     esac
 962   ;;
 963
 964   ## m68k Linux-based GNU system
 965   m68k-*-linux-gnu* )
 966     machine=m68k opsys=gnu-linux
 967   ;;
 968
 969   ## Mips Linux-based GNU system
 970   mips-*-linux-gnu* )
 971     machine=mips opsys=gnu-linux
 972   ;;
 973
 974   ## UXP/DS
 975   sparc-fujitsu-sysv4* )
 976     machine=sparc opsys=uxpds
 977     NON_GNU_CPP=/usr/ccs/lib/cpp
 978     RANLIB="ar -ts"
 979   ;;
 980
 981   ## UXP/V
 982   f301-fujitsu-uxpv4.1)
 983     machine=f301 opsys=uxpv
 984   ;;
 985
 986   * )
 987     unported=yes
 988   ;;
 989 esac
 990
 991 ### If the code above didn't choose an operating system, just choose
 992 ### an operating system based on the configuration name.  You really
 993 ### only want to use this when you have no idea what the right
 994 ### operating system is; if you know what operating systems a machine
 995 ### runs, it's cleaner to make it explicit in the case statement
 996 ### above.
 997 if test x"${opsys}" = x; then
 998   case "${canonical}" in
 999     *-gnu* )                            opsys=gnu ;;
1000     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1001     *-bsd4.2 )                          opsys=bsd4-2 ;;
1002     *-bsd4.3 )                          opsys=bsd4-3 ;;
1003     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1004     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1005     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1006     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1007     *-sysv4.2uw* )                      opsys=unixware ;;
1008     *-sysv4.1* | *-sysvr4.1* )
1009         NON_GNU_CPP=/usr/lib/cpp
1010         opsys=usg5-4 ;;
1011     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1012         if [ x$NON_GNU_CPP = x ]; then
1013           if [ -f /usr/ccs/lib/cpp ]; then
1014             NON_GNU_CPP=/usr/ccs/lib/cpp
1015           else
1016             NON_GNU_CPP=/lib/cpp
1017           fi
1018         fi
1019         opsys=usg5-4-2 ;;
1020     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1021     * )
1022       unported=yes
1023     ;;
1024   esac
1025 fi
1026
1027 if test "x$RANLIB" = x; then
1028   RANLIB=ranlib
1029 fi
1030
1031 changequote([, ])dnl
1032
1033 if test $unported = yes; then
1034   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1035 Check \`etc/MACHINES' for recognized configuration names.])
1036 fi
1037
1038 machfile="m/${machine}.h"
1039 opsysfile="s/${opsys}.h"
1040
1041
1042 #### Choose a compiler.
1043 test -n "$CC" && cc_specified=yes
1044
1045 # Save the value of CFLAGS that the user specified.
1046 SPECIFIED_CFLAGS="$CFLAGS"
1047
1048 case ${with_gcc} in
1049   "yes" ) CC="gcc" GCC=yes ;;
1050   "no"  ) : ${CC=cc} ;;
1051   * ) AC_PROG_CC
1052 esac
1053
1054 # On Suns, sometimes $CPP names a directory.
1055 if test -n "$CPP" && test -d "$CPP"; then
1056   CPP=
1057 fi
1058
1059 #### Some systems specify a CPP to use unless we are using GCC.
1060 #### Now that we know whether we are using GCC, we can decide whether
1061 #### to use that one.
1062 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1063 then
1064   CPP="$NON_GNU_CPP"
1065 fi
1066
1067 #### Some systems specify a CC to use unless we are using GCC.
1068 #### Now that we know whether we are using GCC, we can decide whether
1069 #### to use that one.
1070 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1071   test x$cc_specified != xyes
1072 then
1073   CC="$NON_GNU_CC"
1074 fi
1075
1076 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1077 then
1078   CC="$CC $GCC_TEST_OPTIONS"
1079 fi
1080
1081 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1082 then
1083   CC="$CC $NON_GCC_TEST_OPTIONS"
1084 fi
1085
1086 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1087 then
1088   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1089 fi
1090
1091 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1092 then
1093   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1094 fi
1095
1096 #### Some other nice autoconf tests.  If you add a test here which
1097 #### should make an entry in src/config.h, don't forget to add an
1098 #### #undef clause to src/config.h.in for autoconf to modify.
1099
1100 dnl checks for programs
1101 AC_PROG_LN_S
1102 AC_PROG_CPP
1103 AC_PROG_INSTALL
1104 AC_PROG_YACC
1105
1106 dnl checks for Unix variants
1107 AC_AIX
1108
1109 # Sound support for GNU/Linux and the free BSDs.
1110 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1111
1112 dnl checks for header files
1113 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h termcap.h)
1114 AC_HEADER_STDC
1115 AC_HEADER_TIME
1116 AC_DECL_SYS_SIGLIST
1117
1118 dnl Some systems have utime.h but don't declare the struct anyplace.
1119 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1120 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1121 #include <sys/time.h>
1122 #include <time.h>
1123 #else
1124 #ifdef HAVE_SYS_TIME_H
1125 #include <sys/time.h>
1126 #else
1127 #include <time.h>
1128 #endif
1129 #endif
1130 #ifdef HAVE_UTIME_H
1131 #include <utime.h>
1132 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1133   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1134 if test $emacs_cv_struct_utimbuf = yes; then
1135   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1136 fi
1137
1138 dnl checks for typedefs
1139 AC_TYPE_SIGNAL
1140
1141 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1142 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1143 #include <sys/time.h>
1144 #include <time.h>
1145 #else
1146 #ifdef HAVE_SYS_TIME_H
1147 #include <sys/time.h>
1148 #else
1149 #include <time.h>
1150 #endif
1151 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1152   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1153 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1154 if test $emacs_cv_struct_timeval = yes; then
1155   AC_DEFINE(HAVE_TIMEVAL)
1156 fi
1157
1158 dnl checks for structure members
1159 AC_STRUCT_TM
1160 AC_STRUCT_TIMEZONE
1161
1162 dnl checks for compiler characteristics
1163 AC_C_CONST
1164
1165 dnl check for Make feature
1166 AC_PROG_MAKE_SET
1167
1168 dnl checks for operating system services
1169 AC_SYS_LONG_FILE_NAMES
1170
1171 #### Choose a window system.
1172
1173 AC_PATH_X
1174 if test "$no_x" = yes; then
1175   window_system=none
1176 else
1177   window_system=x11
1178 fi
1179
1180 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1181   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1182   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1183   x_default_search_path=""
1184   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1185     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1186 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1187 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1188 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1189     if test x"${x_default_search_path}" = x; then
1190       x_default_search_path=${x_search_path}
1191     else
1192       x_default_search_path="${x_search_path}:${x_default_search_path}"
1193     fi
1194   done
1195 fi
1196 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1197   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1198 fi
1199
1200 if test x"${x_includes}" = x; then
1201   bitmapdir=/usr/include/X11/bitmaps
1202 else
1203   # accumulate include directories that have X11 bitmap subdirectories
1204   bmd_acc="dummyval"
1205   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1206     if test -d "${bmd}/X11/bitmaps"; then
1207       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1208     elif test -d "${bmd}/bitmaps"; then
1209       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1210     fi
1211   done
1212   if test ${bmd_acc} != "dummyval"; then
1213     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1214   fi
1215 fi
1216
1217 case "${window_system}" in
1218   x11 )
1219     HAVE_X_WINDOWS=yes
1220     HAVE_X11=yes
1221     case "${with_x_toolkit}" in
1222       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1223       motif ) USE_X_TOOLKIT=MOTIF ;;
1224 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1225       no ) USE_X_TOOLKIT=none ;;
1226 dnl If user did not say whether to use a toolkit,
1227 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1228       * ) USE_X_TOOLKIT=maybe ;;
1229     esac
1230   ;;
1231   none )
1232     HAVE_X_WINDOWS=no
1233     HAVE_X11=no
1234     USE_X_TOOLKIT=none
1235   ;;
1236 esac
1237
1238 ### If we're using X11, we should use the X menu package.
1239 HAVE_MENUS=no
1240 case ${HAVE_X11} in
1241   yes ) HAVE_MENUS=yes ;;
1242 esac
1243
1244 if test "${opsys}" = "hpux9"; then
1245   case "${x_libraries}" in
1246     *X11R4* )
1247       opsysfile="s/hpux9-x11r4.h"
1248       ;;
1249   esac
1250 fi
1251
1252 if test "${opsys}" = "hpux9shr"; then
1253   case "${x_libraries}" in
1254     *X11R4* )
1255       opsysfile="s/hpux9shxr4.h"
1256       ;;
1257   esac
1258 fi
1259
1260 #### Extract some information from the operating system and machine files.
1261
1262 AC_CHECKING([the machine- and system-dependent files to find out
1263  - which libraries the lib-src programs will want, and
1264  - whether the GNU malloc routines are usable])
1265
1266 ### First figure out CFLAGS (which we use for running the compiler here)
1267 ### and REAL_CFLAGS (which we use for real compilation).
1268 ### The two are the same except on a few systems, where they are made
1269 ### different to work around various lossages.  For example,
1270 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1271 ### as implying static linking.
1272
1273 ### If the CFLAGS env var is specified, we use that value
1274 ### instead of the default.
1275
1276 ### It's not important that this name contain the PID; you can't run
1277 ### two configures in the same directory and have anything work
1278 ### anyway.
1279 tempcname="conftest.c"
1280
1281 echo '
1282 #include "'${srcdir}'/src/'${opsysfile}'"
1283 #include "'${srcdir}'/src/'${machfile}'"
1284 #ifndef LIBS_MACHINE
1285 #define LIBS_MACHINE
1286 #endif
1287 #ifndef LIBS_SYSTEM
1288 #define LIBS_SYSTEM
1289 #endif
1290 #ifndef C_SWITCH_SYSTEM
1291 #define C_SWITCH_SYSTEM
1292 #endif
1293 #ifndef C_SWITCH_MACHINE
1294 #define C_SWITCH_MACHINE
1295 #endif
1296 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1297 configure___ c_switch_system=C_SWITCH_SYSTEM
1298 configure___ c_switch_machine=C_SWITCH_MACHINE
1299
1300 #ifndef LIB_X11_LIB
1301 #define LIB_X11_LIB -lX11
1302 #endif
1303
1304 #ifndef LIBX11_MACHINE
1305 #define LIBX11_MACHINE
1306 #endif
1307
1308 #ifndef LIBX11_SYSTEM
1309 #define LIBX11_SYSTEM
1310 #endif
1311 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1312
1313 #ifdef UNEXEC
1314 configure___ unexec=UNEXEC
1315 #else
1316 configure___ unexec=unexec.o
1317 #endif
1318
1319 #ifdef SYSTEM_MALLOC
1320 configure___ system_malloc=yes
1321 #else
1322 configure___ system_malloc=no
1323 #endif
1324
1325 #ifndef C_DEBUG_SWITCH
1326 #define C_DEBUG_SWITCH -g
1327 #endif
1328
1329 #ifndef C_OPTIMIZE_SWITCH
1330 #define C_OPTIMIZE_SWITCH -O
1331 #endif
1332
1333 #ifndef LD_SWITCH_MACHINE
1334 #define LD_SWITCH_MACHINE
1335 #endif
1336
1337 #ifndef LD_SWITCH_SYSTEM
1338 #define LD_SWITCH_SYSTEM
1339 #endif
1340
1341 #ifndef LD_SWITCH_X_SITE_AUX
1342 #define LD_SWITCH_X_SITE_AUX
1343 #endif
1344
1345 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1346 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1347
1348 #ifdef THIS_IS_CONFIGURE
1349
1350 /* Get the CFLAGS for tests in configure.  */
1351 #ifdef __GNUC__
1352 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1353 #else
1354 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1355 #endif
1356
1357 #else /* not THIS_IS_CONFIGURE */
1358
1359 /* Get the CFLAGS for real compilation.  */
1360 #ifdef __GNUC__
1361 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1362 #else
1363 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1364 #endif
1365
1366 #endif /* not THIS_IS_CONFIGURE */
1367 ' > ${tempcname}
1368
1369 # The value of CPP is a quoted variable reference, so we need to do this
1370 # to get its actual value...
1371 CPP=`eval "echo $CPP"`
1372 changequote(, )dnl
1373 eval `${CPP} -Isrc ${tempcname} \
1374        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1375 if test "x$SPECIFIED_CFLAGS" = x; then
1376   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1377          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1378 else
1379   REAL_CFLAGS="$CFLAGS"
1380 fi
1381 changequote([, ])dnl
1382 rm ${tempcname}
1383
1384 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1385
1386 ### Compute the unexec source name from the object name.
1387 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1388
1389 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1390 # Assume not, until told otherwise.
1391 GNU_MALLOC=yes
1392 doug_lea_malloc=yes
1393 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1394 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1395 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1396                emacs_cv_var___after_morecore_hook,
1397 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1398   emacs_cv_var___after_morecore_hook=yes,
1399   emacs_cv_var___after_morecore_hook=no))
1400 if test $emacs_cv_var___after_morecore_hook = no; then
1401   doug_lea_malloc=no
1402 fi
1403 if test "${system_malloc}" = "yes"; then
1404   GNU_MALLOC=no
1405   GNU_MALLOC_reason="
1406     (The GNU allocators don't work with this system configuration.)"
1407 fi
1408 if test "$doug_lea_malloc" = "yes" ; then
1409   if test "$GNU_MALLOC" = yes ; then
1410     GNU_MALLOC_reason="
1411       (Using Doug Lea's new malloc from the GNU C Library.)"
1412   fi
1413   AC_DEFINE(DOUG_LEA_MALLOC)
1414 fi
1415
1416 if test x"${REL_ALLOC}" = x; then
1417   REL_ALLOC=${GNU_MALLOC}
1418 fi
1419
1420 LISP_FLOAT_TYPE=yes
1421
1422
1423 #### Add the libraries to LIBS and check for some functions.
1424
1425 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1426   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1427 else
1428   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1429 fi
1430
1431 LIBS="$libsrc_libs $LIBS"
1432
1433 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1434 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1435 AC_CHECK_LIB(dnet, dnet_ntoa)
1436 dnl This causes -lresolv to get used in subsequent tests,
1437 dnl which causes failures on some systems such as HPUX 9.
1438 dnl AC_CHECK_LIB(resolv, gethostbyname)
1439
1440 dnl FIXME replace main with a function we actually want from this library.
1441 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1442
1443 AC_CHECK_LIB(pthreads, cma_open)
1444
1445 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1446 if test -d /usr/X386/include; then
1447   HAVE_XFREE386=yes
1448   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1449 else
1450   HAVE_XFREE386=no
1451 fi
1452 AC_MSG_RESULT($HAVE_XFREE386)
1453
1454 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1455 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1456
1457 if test "${HAVE_X11}" = "yes"; then
1458   DEFS="$C_SWITCH_X_SITE $DEFS"
1459   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1460   LIBS="$LIBX $LIBS"
1461   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1462
1463   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1464   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1465   # but it's more convenient here to set LD_RUN_PATH
1466   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1467   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1468     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1469     export LD_RUN_PATH
1470   fi
1471
1472   if test "${opsys}" = "gnu-linux"; then
1473     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1474     AC_TRY_LINK([],
1475      [XOpenDisplay ("foo");],
1476      [xlinux_first_failure=no],
1477      [xlinux_first_failure=yes])
1478     if test "${xlinux_first_failure}" = "yes"; then
1479       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1480       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1481       OLD_CPPFLAGS="$CPPFLAGS"
1482       OLD_LIBS="$LIBS"
1483       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1484       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1485       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1486       LIBS="$LIBS -b i486-linuxaout"
1487       AC_TRY_LINK([],
1488        [XOpenDisplay ("foo");],
1489        [xlinux_second_failure=no],
1490        [xlinux_second_failure=yes])
1491       if test "${xlinux_second_failure}" = "yes"; then
1492         # If we get the same failure with -b, there is no use adding -b.
1493         # So take it out.  This plays safe.
1494         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1495         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1496         CPPFLAGS="$OLD_CPPFLAGS"
1497         LIBS="$OLD_LIBS"
1498         AC_MSG_RESULT(no)
1499       else
1500         AC_MSG_RESULT(yes)
1501       fi
1502     else
1503       AC_MSG_RESULT(no)
1504     fi
1505   fi
1506
1507   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1508 XScreenNumberOfScreen XSetWMProtocols)
1509 fi
1510
1511 if test "${window_system}" = "x11"; then
1512   AC_MSG_CHECKING(X11 version 6)
1513   AC_CACHE_VAL(emacs_cv_x11_version_6,
1514   AC_TRY_LINK([#include <X11/Xlib.h>],
1515 [#if XlibSpecificationRelease < 6
1516 fail;
1517 #endif
1518 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1519   if test $emacs_cv_x11_version_6 = yes; then
1520     AC_MSG_RESULT(6 or newer)
1521     AC_DEFINE(HAVE_X11R6)
1522   else
1523     AC_MSG_RESULT(before 6)
1524   fi
1525 fi
1526
1527 if test "${window_system}" = "x11"; then
1528   AC_MSG_CHECKING(X11 version 5)
1529   AC_CACHE_VAL(emacs_cv_x11_version_5,
1530   AC_TRY_LINK([#include <X11/Xlib.h>],
1531 [#if XlibSpecificationRelease < 5
1532 fail;
1533 #endif
1534 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1535   if test $emacs_cv_x11_version_5 = yes; then
1536     AC_MSG_RESULT(5 or newer)
1537     HAVE_X11R5=yes
1538     AC_DEFINE(HAVE_X11R5)
1539   else
1540     HAVE_X11R5=no
1541     AC_MSG_RESULT(before 5)
1542   fi
1543 fi
1544
1545 dnl Do not put whitespace before the #include statements below.
1546 dnl Older compilers (eg sunos4 cc) choke on it.
1547 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1548   if test x"${HAVE_X11R5}" = xyes; then
1549     AC_MSG_CHECKING(X11 version 5 with Xaw)
1550     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1551     AC_TRY_LINK([
1552 #include <X11/Intrinsic.h>
1553 #include <X11/Xaw/Simple.h>],
1554       [],
1555       emacs_cv_x11_version_5_with_xaw=yes,
1556       emacs_cv_x11_version_5_with_xaw=no))
1557     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1558       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1559       USE_X_TOOLKIT=LUCID
1560     else
1561       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1562       USE_X_TOOLKIT=none
1563     fi
1564   else
1565     USE_X_TOOLKIT=none
1566   fi
1567 fi
1568
1569 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1570
1571 if test "${USE_X_TOOLKIT}" != "none"; then
1572   AC_MSG_CHECKING(X11 toolkit version)
1573   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1574   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1575 [#if XtSpecificationRelease < 6
1576 fail;
1577 #endif
1578 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1579   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1580   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1581     AC_MSG_RESULT(6 or newer)
1582     AC_DEFINE(HAVE_X11XTR6)
1583   else
1584     AC_MSG_RESULT(before 6)
1585   fi
1586
1587 dnl If using toolkit, check whether libXmu.a exists.
1588 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1589   OLDLIBS="$LIBS"
1590   if test x$HAVE_X11XTR6 = xyes; then
1591     LIBS="-lXt -lSM -lICE $LIBS"
1592   else
1593     LIBS="-lXt $LIBS"
1594   fi
1595   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1596   LIBS="$OLDLIBS"
1597 fi
1598
1599 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1600   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1601   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1602     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1603 int x = 5;
1604 #else
1605 Motif version prior to 2.1.
1606 #endif],
1607     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1608   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1609   if test $emacs_cv_motif_version_2_1 = yes; then
1610     AC_DEFINE(HAVE_MOTIF_2_1)
1611     AC_CHECK_LIB(Xp, XpCreateContext)
1612   fi
1613 fi
1614
1615 ### Is -lXaw3d available?
1616 HAVE_XAW3D=no
1617 if test "${HAVE_X11}" = "yes"; then
1618   if test "${USE_X_TOOLKIT}" != "none"; then
1619     old_c_flags="${CFLAGS}"
1620     CFLAGS="${LD_SWITCH_X_SITE}"
1621     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1622         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1623     CFLAGS="${old_c_flags}"
1624
1625     if test "${HAVE_XAW3D}" = "yes"; then
1626         AC_DEFINE(HAVE_XAW3D)
1627     fi
1628   fi
1629 fi
1630
1631 dnl Use toolkit scroll bars if configured for X toolkit and either
1632 dnl using Motif or Xaw3d is available, and unless
1633 dnl --with-toolkit-scroll-bars=no was specified.
1634
1635 USE_TOOLKIT_SCROLL_BARS=no
1636 if test "${with_toolkit_scroll_bars}" != "no"; then
1637   if test "${USE_X_TOOLKIT}" != "none"; then
1638     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1639       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1640       HAVE_XAW3D=no
1641       USE_TOOLKIT_SCROLL_BARS=yes
1642     elif test "${HAVE_XAW3D}" = "yes"; then
1643       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1644       USE_TOOLKIT_SCROLL_BARS=yes
1645     fi
1646   fi
1647 fi
1648
1649 ### Use -lXpm if available, unless `--with-xpm=no'.
1650 HAVE_XPM=no
1651 if test "${HAVE_X11}" = "yes"; then
1652   if test "${with_xpm}" != "no"; then
1653     old_c_flags="${CFLAGS}"
1654     CFLAGS="${LD_SWITCH_X_SITE}"
1655     AC_CHECK_HEADER(X11/xpm.h,
1656       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1657     CFLAGS="${old_c_flags}"
1658   fi
1659
1660   if test "${HAVE_XPM}" = "yes"; then
1661     AC_DEFINE(HAVE_XPM)
1662   fi
1663 fi
1664
1665 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1666 HAVE_JPEG=no
1667 if test "${HAVE_X11}" = "yes"; then
1668   if test "${with_jpeg}" != "no"; then
1669     old_c_flags="${CFLAGS}"
1670     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1671     AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11)
1672     CFLAGS="${old_c_flags}"
1673   fi
1674
1675   if test "${HAVE_JPEG}" = "yes"; then
1676     AC_DEFINE(HAVE_JPEG)
1677   fi
1678 fi
1679
1680 ### Use -lpng if available, unless `--with-png=no'.
1681 HAVE_PNG=no
1682 if test "${HAVE_X11}" = "yes"; then
1683   if test "${with_png}" != "no"; then
1684     old_c_flags="${CFLAGS}"
1685     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1686     AC_CHECK_HEADER(png.h,
1687       AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1688     CFLAGS="${old_c_flags}"
1689   fi
1690
1691   if test "${HAVE_PNG}" = "yes"; then
1692     AC_DEFINE(HAVE_PNG)
1693   fi
1694 fi
1695
1696 ### Use -ltiff if available, unless `--with-tiff=no'.
1697 HAVE_TIFF=no
1698 if test "${HAVE_X11}" = "yes"; then
1699   if test "${with_tiff}" != "no"; then
1700     old_c_flags="${CFLAGS}"
1701     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1702     AC_CHECK_HEADER(tiffio.h,
1703       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11 -lm))
1704     CFLAGS="${old_c_flags}"
1705   fi
1706
1707   if test "${HAVE_TIFF}" = "yes"; then
1708     AC_DEFINE(HAVE_TIFF)
1709   fi
1710 fi
1711
1712 ### Use -lgif if available, unless `--with-gif=no'.
1713 HAVE_GIF=no
1714 if test "${HAVE_X11}" = "yes"; then
1715   if test "${with_gif}" != "no"; then
1716     old_c_flags="${CFLAGS}"
1717     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1718     AC_CHECK_HEADER(gif_lib.h,
1719       AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
1720     CFLAGS="${old_c_flags}"
1721   fi
1722
1723   if test "${HAVE_GIF}" = "yes"; then
1724     AC_DEFINE(HAVE_GIF)
1725   fi
1726 fi
1727
1728 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1729 AC_CACHE_CHECK(whether netdb declares h_errno,
1730                emacs_cv_netdb_declares_h_errno,
1731 AC_TRY_LINK([#include <netdb.h>],
1732   [return h_errno;],
1733   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1734 if test $emacs_cv_netdb_declares_h_errno = yes; then
1735   AC_DEFINE(HAVE_H_ERRNO)
1736 fi
1737
1738 AC_FUNC_ALLOCA
1739
1740 # fmod, logb, and frexp are found in -lm on most systems.
1741 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1742 AC_CHECK_LIB(m, sqrt)
1743
1744 # Check for mail-locking functions in a "mail" library
1745 AC_CHECK_LIB(mail, maillock)
1746 dnl Debian, at least:
1747 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1748 AC_CHECK_LIB(lockfile, maillock)
1749 # If we have the shared liblockfile, assume we must use it for mail
1750 # locking (e.g. Debian).  If we couldn't link against liblockfile
1751 # (no liblockfile.a installed), ensure that we don't need to.
1752 if test "$ac_cv_lib_lockfile_maillock" = no; then
1753   dnl This works for files generally, not just executables.
1754   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1755   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1756                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1757   if test $ac_cv_prog_liblockfile = yes; then
1758     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1759 This probably means that movemail could lose mail.
1760 There may be a \`development' package to install containing liblockfile.])
1761   else AC_DEFINE(LIBMAIL, -llockfile)
1762   fi
1763   else :
1764 fi
1765 AC_CHECK_FUNCS(touchlock)
1766 AC_CHECK_HEADERS(maillock.h)
1767
1768 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1769 rename closedir mkdir rmdir sysinfo \
1770 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1771 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1772 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo)
1773
1774 # Check this now, so that we will NOT find the above functions in ncurses.
1775 # That is because we have not set up to link ncurses in lib-src.
1776 # It's better to believe a function is not available
1777 # than to expect to find it in ncurses.
1778 AC_CHECK_LIB(ncurses, tparm)
1779
1780 # Solaris requires -lintl if you want strerror (which calls dgettext)
1781 # to return localized messages.
1782 AC_CHECK_LIB(intl, dgettext)
1783
1784 AC_MSG_CHECKING(whether localtime caches TZ)
1785 AC_CACHE_VAL(emacs_cv_localtime_cache,
1786 [if test x$ac_cv_func_tzset = xyes; then
1787 AC_TRY_RUN([#include <time.h>
1788 #if STDC_HEADERS
1789 # include <stdlib.h>
1790 #endif
1791 extern char **environ;
1792 unset_TZ ()
1793 {
1794   char **from, **to;
1795   for (to = from = environ; (*to = *from); from++)
1796     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1797       to++;
1798 }
1799 char TZ_GMT0[] = "TZ=GMT0";
1800 char TZ_PST8[] = "TZ=PST8";
1801 main()
1802 {
1803   time_t now = time ((time_t *) 0);
1804   int hour_GMT0, hour_unset;
1805   if (putenv (TZ_GMT0) != 0)
1806     exit (1);
1807   hour_GMT0 = localtime (&now)->tm_hour;
1808   unset_TZ ();
1809   hour_unset = localtime (&now)->tm_hour;
1810   if (putenv (TZ_PST8) != 0)
1811     exit (1);
1812   if (localtime (&now)->tm_hour == hour_GMT0)
1813     exit (1);
1814   unset_TZ ();
1815   if (localtime (&now)->tm_hour != hour_unset)
1816     exit (1);
1817   exit (0);
1818 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1819 [# If we have tzset, assume the worst when cross-compiling.
1820 emacs_cv_localtime_cache=yes])
1821 else
1822         # If we lack tzset, report that localtime does not cache TZ,
1823         # since we can't invalidate the cache if we don't have tzset.
1824         emacs_cv_localtime_cache=no
1825 fi])dnl
1826 AC_MSG_RESULT($emacs_cv_localtime_cache)
1827 if test $emacs_cv_localtime_cache = yes; then
1828   AC_DEFINE(LOCALTIME_CACHE)
1829 fi
1830
1831 if test "x$HAVE_TIMEVAL" = xyes; then
1832 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1833                emacs_cv_gettimeofday_two_arguments,
1834 AC_TRY_LINK([
1835 #ifdef TIME_WITH_SYS_TIME
1836 #include <sys/time.h>
1837 #include <time.h>
1838 #else
1839 #ifdef HAVE_SYS_TIME_H
1840 #include <sys/time.h>
1841 #else
1842 #include <time.h>
1843 #endif
1844 #endif
1845   ],
1846   [
1847   struct timeval time;
1848   struct timezone dummy;
1849   gettimeofday (&time, &dummy);
1850 ],
1851   emacs_cv_gettimeofday_two_arguments=yes,
1852   emacs_cv_gettimeofday_two_arguments=no))
1853   if test $emacs_cv_gettimeofday_two_arguments = no; then
1854     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1855   fi
1856 fi
1857
1858 ok_so_far=yes
1859 AC_CHECK_FUNC(socket, , ok_so_far=no)
1860 if test $ok_so_far = yes; then
1861   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1862 fi
1863 if test $ok_so_far = yes; then
1864   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1865 fi
1866 if test $ok_so_far = yes; then
1867   AC_DEFINE(HAVE_INET_SOCKETS)
1868 fi
1869
1870 if test -f /usr/lpp/X11/bin/smt.exp; then
1871   AC_DEFINE(HAVE_AIX_SMT_EXP)
1872 fi
1873
1874 # Set up the CFLAGS for real compilation, so we can substitute it.
1875 CFLAGS="$REAL_CFLAGS"
1876
1877 changequote(, )dnl
1878 #### Find out which version of Emacs this is.
1879 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1880          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1881 changequote([, ])dnl
1882 if test x"${version}" = x; then
1883   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1884 fi
1885
1886 ### Specify what sort of things we'll be editing into Makefile and config.h.
1887 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1888 AC_SUBST(version)
1889 AC_SUBST(configuration)
1890 AC_SUBST(canonical)
1891 AC_SUBST(srcdir)
1892 AC_SUBST(prefix)
1893 AC_SUBST(exec_prefix)
1894 AC_SUBST(bindir)
1895 AC_SUBST(datadir)
1896 AC_SUBST(sharedstatedir)
1897 AC_SUBST(libexecdir)
1898 AC_SUBST(mandir)
1899 AC_SUBST(infodir)
1900 AC_SUBST(lispdir)
1901 AC_SUBST(locallisppath)
1902 AC_SUBST(lisppath)
1903 AC_SUBST(x_default_search_path)
1904 AC_SUBST(etcdir)
1905 AC_SUBST(archlibdir)
1906 AC_SUBST(docdir)
1907 AC_SUBST(bitmapdir)
1908 AC_SUBST(c_switch_system)
1909 AC_SUBST(c_switch_machine)
1910 AC_SUBST(LD_SWITCH_X_SITE)
1911 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1912 AC_SUBST(C_SWITCH_X_SITE)
1913 AC_SUBST(CFLAGS)
1914 AC_SUBST(X_TOOLKIT_TYPE)
1915 AC_SUBST(machfile)
1916 AC_SUBST(opsysfile)
1917 AC_SUBST(RANLIB)
1918
1919 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1920 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1921 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1922 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1923 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1924 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1925 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1926 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1927
1928 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1929   AC_DEFINE(HAVE_X_WINDOWS)
1930 fi
1931 if test "${USE_X_TOOLKIT}" != "none" ; then
1932   AC_DEFINE(USE_X_TOOLKIT)
1933 fi
1934 if test "${HAVE_X11}" = "yes" ; then
1935   AC_DEFINE(HAVE_X11)
1936 fi
1937 if test "${HAVE_XFREE386}" = "yes" ; then
1938   AC_DEFINE(HAVE_XFREE386)
1939 fi
1940 if test "${HAVE_MENUS}" = "yes" ; then
1941   AC_DEFINE(HAVE_MENUS)
1942 fi
1943 if test "${GNU_MALLOC}" = "yes" ; then
1944   AC_DEFINE(GNU_MALLOC)
1945 fi
1946 if test "${REL_ALLOC}" = "yes" ; then
1947   AC_DEFINE(REL_ALLOC)
1948 fi
1949 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1950   AC_DEFINE(LISP_FLOAT_TYPE)
1951 fi
1952
1953 #### Report on what we decided to do.
1954 echo "
1955 Configured for \`${canonical}'.
1956
1957   Where should the build process find the source code?    ${srcdir}
1958   What operating system and machine description files should Emacs use?
1959         \`${opsysfile}' and \`${machfile}'
1960   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1961   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1962   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1963   What window system should Emacs use?                    ${window_system}
1964   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1965
1966 if test -n "${x_includes}"; then
1967 echo "  Where do we find X Windows header files?                ${x_includes}"
1968 else
1969 echo "  Where do we find X Windows header files?                Standard dirs"
1970 fi
1971 if test -n "${x_libraries}"; then
1972 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1973 else
1974 echo "  Where do we find X Windows libraries?                   Standard dirs"
1975 fi
1976
1977 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
1978 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
1979 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
1980 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
1981 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
1982 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
1983 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
1984 echo
1985
1986 # Remove any trailing slashes in these variables.
1987 changequote(, )dnl
1988 test "${prefix}" != NONE &&
1989   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1990 test "${exec_prefix}" != NONE &&
1991   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1992 changequote([, ])dnl
1993
1994 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1995         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
1996         leim/Makefile, [
1997
1998 ### Make the necessary directories, if they don't exist.
1999 for dir in etc lisp ; do
2000   test -d ${dir} || mkdir ${dir}
2001 done
2002
2003 # Build src/Makefile from ${srcdir}/src/Makefile.c
2004 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2005 # This must be done after src/config.h is built, since we rely on that file.
2006
2007 changequote(, )dnl The horror, the horror.
2008 # Now get this: Some word that is part of the ${srcdir} directory name
2009 # or the ${configuration} value might, just might, happen to be an
2010 # identifier like `sun4' or `i386' or something, and be predefined by
2011 # the C preprocessor to some helpful value like 1, or maybe the empty
2012 # string.  Needless to say consequent macro substitutions are less
2013 # than conducive to the makefile finding the correct directory.
2014 undefs="`echo $top_srcdir $configuration $canonical |
2015 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2016     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2017 `"
2018 changequote([, ])dnl
2019
2020 echo creating src/epaths.h
2021 make epaths-force
2022
2023 echo creating lib-src/Makefile
2024 ( cd lib-src
2025   rm -f junk.c junk1.c junk2.c
2026   sed -e '/start of cpp stuff/q' \
2027       < Makefile.c > junk1.c
2028   sed -e '1,/start of cpp stuff/d'\
2029       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2030       < Makefile.c > junk.c
2031   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2032       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2033   cat junk1.c junk2.c > Makefile.new
2034   rm -f junk.c junk1.c junk2.c
2035   chmod 444 Makefile.new
2036   mv -f Makefile.new Makefile
2037 )
2038
2039 echo creating src/Makefile
2040 ( cd src
2041   rm -f junk.c junk1.c junk2.c
2042   sed -e '/start of cpp stuff/q' \
2043       < Makefile.c > junk1.c
2044   sed -e '1,/start of cpp stuff/d'\
2045       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2046       < Makefile.c > junk.c
2047   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2048       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2049   cat junk1.c junk2.c > Makefile.new
2050   rm -f junk.c junk1.c junk2.c
2051   chmod 444 Makefile.new
2052   mv -f Makefile.new Makefile
2053 )
2054
2055 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2056   echo creating src/.gdbinit
2057   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2058 fi
2059
2060 # This is how we know whether to re-run configure in certain cases.
2061 touch src/config.stamp
2062
2063 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])