code.delx.au - gnu-emacs/blob - configure.in

   1 dnl  Autoconf script for GNU Emacs
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 dnl
   6 dnl  Copyright (C) 1994, 1995, 1996 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=$val
  68 ])
  69 AC_ARG_WITH(xpm,
  70 [  --with-xpm              use -lXpm for displaying XPM images])
  71 AC_ARG_WITH(jpeg,
  72 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  73 AC_ARG_WITH(tiff,
  74 [  --with-tiff             use -ltiff for displaying TIFF images])
  75 AC_ARG_WITH(gif,
  76 [  --with-gif              use -lungif for displaying GIF images])
  77 AC_ARG_WITH(png,
  78 [  --with-png              use -lpng for displaying PNG images])
  79 AC_ARG_WITH(sound,
  80 [  --with-sound            native sound support for GNU/Linux and free BSDs])
  81 AC_ARG_WITH(toolkit-scroll-bars,
  82 [  --with-toolkit-scroll-bars  use Motif or Xaw3d scroll bars])
  83
  84 #### Make srcdir absolute, if it isn't already.  It's important to
  85 #### avoid running the path through pwd unnecessary, since pwd can
  86 #### give you automounter prefixes, which can go away.  We do all this
  87 #### so Emacs can find its files when run uninstalled.
  88 case "${srcdir}" in
  89   /* ) ;;
  90   . )
  91     ## We may be able to use the $PWD environment variable to make this
  92     ## absolute.  But sometimes PWD is inaccurate.
  93     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  94     unset CDPATH
  95     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  96     then
  97       srcdir="$PWD"
  98     else
  99       srcdir="`(cd ${srcdir}; pwd)`"
 100     fi
 101   ;;
 102   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 103 esac
 104
 105 #### Check if the source directory already has a configured system in it.
 106 if test `pwd` != `(cd ${srcdir} && pwd)` \
 107    && test -f "${srcdir}/src/config.h" ; then
 108   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 109    as a build directory right now; it has been configured in its own
 110    right.  To configure in another directory as well, you MUST
 111    use GNU make.  If you do not have GNU make, then you must
 112    now do \`make distclean' in ${srcdir},
 113    and then run $0 again.])
 114
 115 changequote(, )dnl
 116   extrasub='/^VPATH[     ]*=/c\
 117 changequote([, ])dnl
 118 vpath %.c $(srcdir)\
 119 vpath %.h $(srcdir)\
 120 vpath %.y $(srcdir)\
 121 vpath %.l $(srcdir)\
 122 vpath %.s $(srcdir)\
 123 vpath %.in $(srcdir)\
 124 vpath %.texi $(srcdir)'
 125 fi
 126
 127 #### Given the configuration name, set machfile and opsysfile to the
 128 #### names of the m/*.h and s/*.h files we should use.
 129
 130 ### Canonicalize the configuration name.
 131
 132 AC_CANONICAL_HOST
 133 canonical=$host
 134 configuration=$host_alias
 135
 136 changequote(, )dnl
 137
 138 ### If you add support for a new configuration, add code to this
 139 ### switch statement to recognize your configuration name and select
 140 ### the appropriate operating system and machine description files.
 141
 142 ### You would hope that you could choose an m/*.h file pretty much
 143 ### based on the machine portion of the configuration name, and an s-
 144 ### file based on the operating system portion.  However, it turns out
 145 ### that each m/*.h file is pretty manufacturer-specific - for
 146 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 147 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 148 ### machines.  So we basically have to have a special case for each
 149 ### configuration name.
 150 ###
 151 ### As far as handling version numbers on operating systems is
 152 ### concerned, make sure things will fail in a fixable way.  If
 153 ### /etc/MACHINES doesn't say anything about version numbers, be
 154 ### prepared to handle anything reasonably.  If version numbers
 155 ### matter, be sure /etc/MACHINES says something about it.
 156 ###
 157 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 158 ### "System V Release 4"; he writes, "The old convention encouraged
 159 ### confusion between `system' and `release' levels'."
 160
 161 machine='' opsys='' unported=no
 162 case "${canonical}" in
 163
 164   ## NetBSD ports
 165   *-*-netbsd* )
 166     opsys=netbsd
 167     case "${canonical}" in
 168       alpha*-*-netbsd*) machine=alpha ;;
 169       i[3456]86-*-netbsd*) machine=intel386 ;;
 170       m68k-*-netbsd*)
 171                         # This is somewhat bogus.
 172                         machine=hp9000s300 ;;
 173       powerpc-apple-netbsd*) machine=macppc ;;
 174       mips-*-netbsd*)   machine=pmax ;;
 175       ns32k-*-netbsd*)  machine=ns32000 ;;
 176       sparc-*-netbsd*)  machine=sparc ;;
 177       vax-*-netbsd*)    machine=vax ;;
 178     esac
 179   ;;
 180
 181   ## OpenBSD ports
 182   *-*-openbsd* )
 183     opsys=openbsd
 184     case "${canonical}" in
 185       alpha*-*-openbsd*)        machine=alpha ;;
 186       i386-*-openbsd*)  machine=intel386 ;;
 187       m68k-*-openbsd*)  machine=hp9000s300 ;;
 188       mipsel-*-openbsd*) machine=pmax ;;
 189       ns32k-*-openbsd*) machine=ns32000 ;;
 190       sparc-*-openbsd*) machine=sparc ;;
 191       vax-*-openbsd*)   machine=vax ;;
 192     esac
 193   ;;
 194
 195   ## Acorn RISCiX:
 196   arm-acorn-riscix1.1* )
 197     machine=acorn opsys=riscix1-1
 198   ;;
 199   arm-acorn-riscix1.2* | arm-acorn-riscix )
 200     ## This name is riscix12 instead of riscix1.2
 201     ## to avoid a file name conflict on MSDOS.
 202     machine=acorn opsys=riscix12
 203   ;;
 204
 205   ## BSDI ports
 206   *-*-bsdi* )
 207     opsys=bsdi
 208     case "${canonical}" in
 209       i[345]86-*-bsdi*) machine=intel386 ;;
 210       sparc-*-bsdi*)  machine=sparc ;;
 211       powerpc-*-bsdi*)  machine=powerpc ;;
 212     esac
 213     case "${canonical}" in
 214       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 215       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 216       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 217       *-*-bsdi3* )              opsys=bsdos3 ;;
 218       *-*-bsdi4* )              opsys=bsdos4 ;;
 219     esac
 220   ;;
 221
 222   ## Alliant machines
 223   ## Strictly speaking, we need the version of the alliant operating
 224   ## system to choose the right machine file, but currently the
 225   ## configuration name doesn't tell us enough to choose the right
 226   ## one; we need to give alliants their own operating system name to
 227   ## do this right.  When someone cares, they can help us.
 228   fx80-alliant-* )
 229     machine=alliant4 opsys=bsd4-2
 230   ;;
 231   i860-alliant-* )
 232     machine=alliant-2800 opsys=bsd4-3
 233   ;;
 234
 235   ## Alpha (DEC) machines.
 236   alpha*-dec-osf* )
 237     machine=alpha opsys=osf1
 238     # This is needed to find X11R6.1 libraries for certain tests.
 239     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 240     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 241   ;;
 242
 243   alpha*-*-linux-gnu* )
 244     machine=alpha opsys=gnu-linux
 245   ;;
 246
 247   ## Altos 3068
 248   m68*-altos-sysv* )
 249     machine=altos opsys=usg5-2
 250   ;;
 251
 252   ## Amdahl UTS
 253   580-amdahl-sysv* )
 254     machine=amdahl opsys=usg5-2-2
 255   ;;
 256
 257   ## Apollo, Domain/OS
 258   m68*-apollo-* )
 259     machine=apollo opsys=bsd4-3
 260   ;;
 261
 262   ## AT&T 3b2, 3b5, 3b15, 3b20
 263   we32k-att-sysv* )
 264     machine=att3b opsys=usg5-2-2
 265   ;;
 266
 267   ## AT&T 3b1 - The Mighty Unix PC!
 268   m68*-att-sysv* )
 269     machine=7300 opsys=usg5-2-2
 270   ;;
 271
 272   ## Bull dpx20
 273   rs6000-bull-bosx* )
 274     machine=ibmrs6000 opsys=aix3-2
 275   ;;
 276
 277   ## Bull dpx2
 278   m68*-bull-sysv3* )
 279     machine=dpx2 opsys=usg5-3
 280   ;;
 281
 282   ## Bull sps7
 283   m68*-bull-sysv2* )
 284     machine=sps7 opsys=usg5-2
 285   ;;
 286
 287   ## CCI 5/32, 6/32 -- see "Tahoe".
 288
 289   ## Celerity
 290   ## I don't know what configuration name to use for this; config.sub
 291   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 292   ## in touch with us!
 293   celerity-celerity-bsd* )
 294     machine=celerity opsys=bsd4-2
 295   ;;
 296
 297   ## Clipper
 298   ## What operating systems does this chip run that Emacs has been
 299   ## tested on?
 300   clipper-* )
 301     machine=clipper
 302     ## We'll use the catch-all code at the bottom to guess the
 303     ## operating system.
 304   ;;
 305
 306   ## Convex
 307   *-convex-bsd* | *-convex-convexos* )
 308     machine=convex opsys=bsd4-3
 309     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 310     NON_GNU_CPP="cc -E -P"
 311   ;;
 312
 313   ## Cubix QBx/386
 314   i[3456]86-cubix-sysv* )
 315     machine=intel386 opsys=usg5-3
 316   ;;
 317
 318   ## Cydra 5
 319   cydra*-cydrome-sysv* )
 320     machine=cydra5 opsys=usg5-3
 321   ;;
 322
 323   ## Data General AViiON Machines
 324   ## DG changed naming conventions with the release of 5.4.4.10, they
 325   ## dropped the initial 5.4 but left the intervening R.  Because of the
 326   ## R this shouldn't conflict with older versions of the OS (which I
 327   ## think were named like dgux4.*). In addition, DG new AViiONs series
 328   ## uses either Motorola M88k or Intel Pentium CPUs.
 329   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 330     machine=aviion opsys=dgux4
 331   ;;
 332   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 333     ## This name is dgux5-4-3 instead of dgux5-4r3
 334     ## to avoid a file name conflict on MSDOS.
 335     machine=aviion opsys=dgux5-4-3
 336   ;;
 337   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 338     machine=aviion opsys=dgux5-4r2
 339   ;;
 340   m88k-dg-dgux* )
 341     machine=aviion opsys=dgux
 342   ;;
 343
 344   ## Data General AViiON Intel (x86) Machines
 345   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 346   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 347   i[345]86-dg-dguxR4* )
 348     machine=aviion-intel opsys=dgux4
 349   ;;
 350
 351   ## DECstations
 352   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 353     machine=pmax opsys=bsd4-2
 354   ;;
 355   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 356     machine=pmax opsys=bsd4-3
 357   ;;
 358   mips-dec-ultrix* )
 359     machine=pmax opsys=ultrix4-3
 360   ;;
 361   mips-dec-osf* )
 362     machine=pmax opsys=osf1
 363   ;;
 364   mips-dec-mach_bsd4.3* )
 365     machine=pmax opsys=mach-bsd4-3
 366   ;;
 367
 368   ## Motorola Delta machines
 369   m68k-motorola-sysv* | m68000-motorola-sysv* )
 370     machine=delta opsys=usg5-3
 371     if test -z "`type gnucc | grep 'not found'`"
 372     then
 373       if test -s /etc/167config
 374       then CC="gnucc -m68040"
 375       else CC="gnucc -m68881"
 376       fi
 377     else
 378       if test -z "`type gcc | grep 'not found'`"
 379       then CC=gcc
 380       else CC=cc
 381       fi
 382     fi
 383   ;;
 384   m88k-motorola-sysv4* )
 385     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 386     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 387     # I hope there are not other 4.0 versions for this machine
 388     # which really need usg5-4 instead.
 389     machine=delta88k opsys=usg5-4-2
 390   ;;
 391   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 392     machine=delta88k opsys=usg5-3
 393   ;;
 394
 395   ## Dual machines
 396   m68*-dual-sysv* )
 397     machine=dual opsys=usg5-2
 398   ;;
 399   m68*-dual-uniplus* )
 400     machine=dual opsys=unipl5-2
 401   ;;
 402
 403   ## Elxsi 6400
 404   elxsi-elxsi-sysv* )
 405     machine=elxsi opsys=usg5-2
 406   ;;
 407
 408   ## Encore machines
 409   ns16k-encore-bsd* )
 410     machine=ns16000 opsys=umax
 411   ;;
 412
 413   ## The GEC 93 - apparently, this port isn't really finished yet.
 414
 415   ## Gould Power Node and NP1
 416   pn-gould-bsd4.2* )
 417     machine=gould opsys=bsd4-2
 418   ;;
 419   pn-gould-bsd4.3* )
 420     machine=gould opsys=bsd4-3
 421   ;;
 422   np1-gould-bsd* )
 423     machine=gould-np1 opsys=bsd4-3
 424   ;;
 425
 426   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 427   ## as far as Emacs is concerned).
 428   m88k-harris-cxux* )
 429     # Build needs to be different on 7.0 and later releases
 430     case "`uname -r`" in
 431        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 432        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 433     esac
 434     NON_GNU_CPP="/lib/cpp"
 435   ;;
 436   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 437   m68k-harris-cxux* )
 438     machine=nh3000 opsys=cxux
 439   ;;
 440   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 441   powerpc-harris-powerunix )
 442     machine=nh6000 opsys=powerunix
 443     NON_GNU_CPP="cc -Xo -E -P"
 444   ;;
 445   ## SR2001/SR2201 running HI-UX/MPP
 446   hppa1.1-hitachi-hiuxmpp* )
 447     machine=sr2k opsys=hiuxmpp
 448   ;;
 449   ## Honeywell XPS100
 450   xps*-honeywell-sysv* )
 451     machine=xps100 opsys=usg5-2
 452   ;;
 453
 454   ## HP 9000 series 200 or 300
 455   m68*-hp-bsd* )
 456     machine=hp9000s300 opsys=bsd4-3
 457   ;;
 458   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 459   m68*-hp-hpux* )
 460     case "`uname -r`" in
 461       ## Someone's system reports A.B8.05 for this.
 462       ## I wonder what other possibilities there are.
 463       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 464       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 465       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 466       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 467       *) machine=hp9000s300 opsys=hpux ;;
 468     esac
 469   ;;
 470
 471   ## HP 9000 series 700 and 800, running HP/UX
 472   hppa*-hp-hpux7* )
 473     machine=hp800 opsys=hpux
 474   ;;
 475   hppa*-hp-hpux8* )
 476     machine=hp800 opsys=hpux8
 477   ;;
 478   hppa*-hp-hpux9shr* )
 479     machine=hp800 opsys=hpux9shr
 480   ;;
 481   hppa*-hp-hpux9* )
 482     machine=hp800 opsys=hpux9
 483   ;;
 484   hppa*-hp-hpux1[0-9]* )
 485     machine=hp800 opsys=hpux10
 486   ;;
 487
 488   ## HP 9000 series 700 and 800, running HP/UX
 489   hppa*-hp-hpux* )
 490     ## Cross-compilation?  Nah!
 491     case "`uname -r`" in
 492       ## Someone's system reports A.B8.05 for this.
 493       ## I wonder what other possibilities there are.
 494       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 495       *.08.* ) machine=hp800 opsys=hpux8 ;;
 496       *.09.* ) machine=hp800 opsys=hpux9 ;;
 497       *) machine=hp800 opsys=hpux10 ;;
 498     esac
 499   ;;
 500   hppa*-*-nextstep* )
 501     machine=hp800 opsys=nextstep
 502   ;;
 503
 504   ## Orion machines
 505   orion-orion-bsd* )
 506     machine=orion opsys=bsd4-2
 507   ;;
 508   clipper-orion-bsd* )
 509     machine=orion105 opsys=bsd4-2
 510   ;;
 511
 512   ## IBM machines
 513   i[3456]86-ibm-aix1.1* )
 514     machine=ibmps2-aix opsys=usg5-2-2
 515   ;;
 516   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 517     machine=ibmps2-aix opsys=usg5-3
 518   ;;
 519   i370-ibm-aix*)
 520     machine=ibm370aix opsys=usg5-3
 521   ;;
 522   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 523     machine=ibmrs6000 opsys=aix3-1
 524   ;;
 525   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 526     machine=ibmrs6000 opsys=aix3-2-5
 527   ;;
 528   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 529     machine=ibmrs6000 opsys=aix4-1
 530   ;;
 531   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 532     machine=ibmrs6000 opsys=aix4-2
 533   ;;
 534   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 535     machine=ibmrs6000 opsys=aix4
 536   ;;
 537   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 538     machine=ibmrs6000 opsys=aix4-1
 539   ;;
 540   rs6000-ibm-aix* | powerpc-ibm-aix* )
 541     machine=ibmrs6000 opsys=aix3-2
 542   ;;
 543   romp-ibm-bsd4.3* )
 544     machine=ibmrt opsys=bsd4-3
 545   ;;
 546   romp-ibm-bsd4.2* )
 547     machine=ibmrt opsys=bsd4-2
 548   ;;
 549   romp-ibm-aos4.3* )
 550     machine=ibmrt opsys=bsd4-3
 551   ;;
 552   romp-ibm-aos4.2* )
 553     machine=ibmrt opsys=bsd4-2
 554   ;;
 555   romp-ibm-aos* )
 556     machine=ibmrt opsys=bsd4-3
 557   ;;
 558   romp-ibm-bsd* )
 559     machine=ibmrt opsys=bsd4-3
 560   ;;
 561   romp-ibm-aix* )
 562     machine=ibmrt-aix opsys=usg5-2-2
 563   ;;
 564
 565   ## Integrated Solutions `Optimum V'
 566   m68*-isi-bsd4.2* )
 567     machine=isi-ov opsys=bsd4-2
 568   ;;
 569   m68*-isi-bsd4.3* )
 570     machine=isi-ov opsys=bsd4-3
 571   ;;
 572
 573   ## Intel 386 machines where we do care about the manufacturer
 574   i[3456]86-intsys-sysv* )
 575     machine=is386 opsys=usg5-2-2
 576   ;;
 577
 578   ## Prime EXL
 579   i[3456]86-prime-sysv* )
 580     machine=i386 opsys=usg5-3
 581   ;;
 582
 583   ## Sequent Symmetry running Dynix
 584   i[3456]86-sequent-bsd* )
 585     machine=symmetry opsys=bsd4-3
 586   ;;
 587
 588   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 589   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 590     machine=sequent-ptx opsys=ptx4
 591     NON_GNU_CPP=/lib/cpp
 592   ;;
 593
 594   ## Sequent Symmetry running DYNIX/ptx
 595   ## Use the old cpp rather than the newer ANSI one.
 596   i[3456]86-sequent-ptx* )
 597     machine=sequent-ptx opsys=ptx
 598     NON_GNU_CPP="/lib/cpp"
 599   ;;
 600
 601   ## ncr machine running svr4.3.
 602   i[3456]86-ncr-sysv4.3 )
 603     machine=ncr386 opsys=usg5-4-3
 604   ;;
 605
 606   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 607   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 608   i[3456]86-ncr-sysv* )
 609     machine=ncr386 opsys=usg5-4-2
 610   ;;
 611
 612   ## Intel Paragon OSF/1
 613   i860-intel-osf1* )
 614     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 615   ;;
 616
 617   ## Intel 860
 618   i860-*-sysv4* )
 619     machine=i860 opsys=usg5-4
 620     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 621     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 622   ;;
 623
 624   ## Masscomp machines
 625   m68*-masscomp-rtu* )
 626     machine=masscomp opsys=rtu
 627   ;;
 628
 629   ## Megatest machines
 630   m68*-megatest-bsd* )
 631     machine=mega68 opsys=bsd4-2
 632   ;;
 633
 634   ## Workstations sold by MIPS
 635   ## This is not necessarily all workstations using the MIPS processor -
 636   ## Irises are produced by SGI, and DECstations by DEC.
 637
 638   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 639   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 640   ## it gives for choosing between the alternatives seems to be "Use
 641   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 642   ## the BSD world."  I'll assume that these are instructions for
 643   ## handling two odd situations, and that every other situation
 644   ## should use mips.h and usg5-2-2, they being listed first.
 645   mips-mips-usg* )
 646     machine=mips4
 647     ## Fall through to the general code at the bottom to decide on the OS.
 648   ;;
 649   mips-mips-riscos4* )
 650     machine=mips4 opsys=bsd4-3
 651     NON_GNU_CC="cc -systype bsd43"
 652     NON_GNU_CPP="cc -systype bsd43 -E"
 653   ;;
 654   mips-mips-riscos5* )
 655     machine=mips4 opsys=riscos5
 656     NON_GNU_CC="cc -systype bsd43"
 657     NON_GNU_CPP="cc -systype bsd43 -E"
 658   ;;
 659   mips-mips-bsd* )
 660     machine=mips opsys=bsd4-3
 661   ;;
 662   mips-mips-* )
 663     machine=mips opsys=usg5-2-2
 664   ;;
 665
 666   ## NeXT
 667   m68*-next-* | m68k-*-nextstep* )
 668     machine=m68k opsys=nextstep
 669   ;;
 670
 671   ## The complete machine from National Semiconductor
 672   ns32k-ns-genix* )
 673     machine=ns32000 opsys=usg5-2
 674   ;;
 675
 676   ## NCR machines
 677   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 678     machine=tower32 opsys=usg5-2-2
 679   ;;
 680   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 681     machine=tower32v3 opsys=usg5-3
 682   ;;
 683
 684   ## NEC EWS4800
 685   mips-nec-sysv4*)
 686   machine=ews4800 opsys=ux4800
 687   ;;
 688
 689   ## Nixdorf Targon 31
 690   m68*-nixdorf-sysv* )
 691     machine=targon31 opsys=usg5-2-2
 692   ;;
 693
 694   ## Nu (TI or LMI)
 695   m68*-nu-sysv* )
 696     machine=nu opsys=usg5-2
 697   ;;
 698
 699   ## Plexus
 700   m68*-plexus-sysv* )
 701     machine=plexus opsys=usg5-2
 702   ;;
 703
 704   ## PowerPC reference platform
 705   powerpcle-*-solaris2* )
 706     machine=prep
 707     opsys=sol2-5
 708   ;;
 709
 710   ## Pyramid machines
 711   ## I don't really have any idea what sort of processor the Pyramid has,
 712   ## so I'm assuming it is its own architecture.
 713   pyramid-pyramid-bsd* )
 714     machine=pyramid opsys=bsd4-2
 715   ;;
 716
 717   ## Sequent Balance
 718   ns32k-sequent-bsd4.2* )
 719     machine=sequent opsys=bsd4-2
 720   ;;
 721   ns32k-sequent-bsd4.3* )
 722     machine=sequent opsys=bsd4-3
 723   ;;
 724
 725   ## Siemens Nixdorf
 726   mips-siemens-sysv* | mips-sni-sysv*)
 727     machine=mips-siemens opsys=usg5-4
 728     NON_GNU_CC=/usr/ccs/bin/cc
 729     NON_GNU_CPP=/usr/ccs/lib/cpp
 730   ;;
 731
 732   ## Silicon Graphics machines
 733   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 734   m68*-sgi-iris3.5* )
 735     machine=irist opsys=iris3-5
 736   ;;
 737   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 738     machine=irist opsys=iris3-6
 739   ;;
 740   ## Iris 4D
 741   mips-sgi-irix3* )
 742     machine=iris4d opsys=irix3-3
 743   ;;
 744   mips-sgi-irix4* )
 745     machine=iris4d opsys=irix4-0
 746   ;;
 747   mips-sgi-irix6.5 )
 748     machine=iris4d opsys=irix6-5
 749     NON_GNU_CPP=/lib/cpp
 750     NON_GCC_TEST_OPTIONS="-n32 -G0"
 751   ;;
 752   mips-sgi-irix6* )
 753     machine=iris4d opsys=irix6-0
 754     NON_GNU_CPP=/lib/cpp
 755     NON_GCC_TEST_OPTIONS=-32
 756   ;;
 757   mips-sgi-irix5.[01]* )
 758     machine=iris4d opsys=irix5-0
 759   ;;
 760   mips-sgi-irix5* | mips-sgi-irix* )
 761     machine=iris4d opsys=irix5-2
 762   ;;
 763
 764   ## SONY machines
 765   m68*-sony-bsd4.2* )
 766     machine=news opsys=bsd4-2
 767   ;;
 768   m68*-sony-bsd4.3* )
 769     machine=news opsys=bsd4-3
 770   ;;
 771   m68*-sony-newsos3* | m68*-sony-news3*)
 772     machine=news opsys=bsd4-3
 773   ;;
 774   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 775     machine=news-risc opsys=bsd4-3
 776   ;;
 777   mips-sony-newsos6* )
 778     machine=news-r6 opsys=newsos6
 779   ;;
 780   mips-sony-news* )
 781     machine=news-risc opsys=newsos5
 782   ;;
 783
 784   ## Stride
 785   m68*-stride-sysv* )
 786     machine=stride opsys=usg5-2
 787   ;;
 788
 789   ## Suns
 790   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 791     machine=sparc opsys=gnu-linux
 792   ;;
 793
 794   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 795     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 796     | rs6000-*-solaris2*)
 797     case "${canonical}" in
 798       m68*-sunos1* )    machine=sun1 ;;
 799       m68*-sunos2* )    machine=sun2 ;;
 800       m68* )            machine=sun3 ;;
 801       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 802       i[3456]86-*-* )     machine=intel386 ;;
 803       powerpcle* )      machine=powerpcle ;;
 804       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 805       sparc* )          machine=sparc ;;
 806       * )               unported=yes ;;
 807     esac
 808     case "${canonical}" in
 809       ## The Sun386 didn't get past 4.0.
 810       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 811       *-sunos4.0*         ) opsys=sunos4-0 ;;
 812       *-sunos4.1.[3-9]*noshare )
 813                 ## This name is sunos413 instead of sunos4-1-3
 814                 ## to avoid a file name conflict on MSDOS.
 815                 opsys=sunos413
 816                 NON_GNU_CPP=/usr/lib/cpp
 817                 NON_GCC_TEST_OPTIONS=-Bstatic
 818                 GCC_TEST_OPTIONS=-static
 819                 ;;
 820       *-sunos4.1.[3-9]* | *-sunos4shr*)
 821                 opsys=sunos4shr
 822                 NON_GNU_CPP=/usr/lib/cpp
 823                 ;;
 824       *-sunos4* | *-sunos )
 825                 opsys=sunos4-1
 826                 NON_GCC_TEST_OPTIONS=-Bstatic
 827                 GCC_TEST_OPTIONS=-static
 828                 ;;
 829       *-sunos5.3* | *-solaris2.3* )
 830                 opsys=sol2-3
 831                 NON_GNU_CPP=/usr/ccs/lib/cpp
 832                 ;;
 833       *-sunos5.4* | *-solaris2.4* )
 834                 opsys=sol2-4
 835                 NON_GNU_CPP=/usr/ccs/lib/cpp
 836                 RANLIB="ar -ts"
 837                 ;;
 838       *-sunos5.5* | *-solaris2.5* )
 839                 opsys=sol2-5
 840                 NON_GNU_CPP=/usr/ccs/lib/cpp
 841                 RANLIB="ar -ts"
 842                 ;;
 843       *-sunos5* | *-solaris* )
 844                 opsys=sol2-5
 845                 NON_GNU_CPP=/usr/ccs/lib/cpp
 846                 ;;
 847       *                   ) opsys=bsd4-2   ;;
 848     esac
 849     ## Watch out for a compiler that we know will not work.
 850     case "${canonical}" in
 851      *-solaris* | *-sunos5* )
 852                 if [ "x$CC" = x/usr/ucb/cc ]; then
 853                   ## /usr/ucb/cc doesn't work;
 854                   ## we should find some other compiler that does work.
 855                   unset CC
 856                 fi
 857                 ;;
 858       *) ;;
 859     esac
 860   ;;
 861   sparc-*-nextstep* )
 862     machine=sparc opsys=nextstep
 863   ;;
 864
 865   ## Tadpole 68k
 866   m68*-tadpole-sysv* )
 867     machine=tad68k opsys=usg5-3
 868   ;;
 869
 870   ## Tahoe machines
 871   tahoe-tahoe-bsd4.2* )
 872     machine=tahoe opsys=bsd4-2
 873   ;;
 874   tahoe-tahoe-bsd4.3* )
 875     machine=tahoe opsys=bsd4-3
 876   ;;
 877
 878   ## Tandem Integrity S2
 879   mips-tandem-sysv* )
 880     machine=tandem-s2 opsys=usg5-3
 881   ;;
 882
 883   ## Tektronix XD88
 884   m88k-tektronix-sysv3* )
 885   machine=tekxd88 opsys=usg5-3
 886   ;;
 887
 888   ## Tektronix 16000 box (6130?)
 889   ns16k-tektronix-bsd* )
 890     machine=ns16000 opsys=bsd4-2
 891   ;;
 892   ## Tektronix 4300
 893   ## src/m/tek4300.h hints that this is a m68k machine.
 894   m68*-tektronix-bsd* )
 895     machine=tek4300 opsys=bsd4-3
 896   ;;
 897
 898   ## Titan P2 or P3
 899   ## We seem to have lost the machine-description file titan.h!
 900   titan-titan-sysv* )
 901     machine=titan opsys=usg5-3
 902   ;;
 903
 904   ## Ustation E30 (SS5E)
 905   m68*-unisys-uniplus* )
 906     machine=ustation opsystem=unipl5-2
 907   ;;
 908
 909   ## Vaxen.
 910   vax-dec-* )
 911     machine=vax
 912     case "${canonical}" in
 913       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 914       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 915       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 916       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 917       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 918       *-vms* )                                          opsys=vms ;;
 919       * )                                               unported=yes
 920     esac
 921   ;;
 922
 923   ## Whitechapel MG1
 924   ns16k-whitechapel-* )
 925     machine=mg1
 926     ## We don't know what sort of OS runs on these; we'll let the
 927     ## operating system guessing code below try.
 928   ;;
 929
 930   ## Wicat
 931   m68*-wicat-sysv* )
 932     machine=wicat opsys=usg5-2
 933   ;;
 934
 935   ## Intel 386 machines where we don't care about the manufacturer
 936   i[3456]86-*-* )
 937     machine=intel386
 938     case "${canonical}" in
 939       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 940       *-isc2.2* )               opsys=isc2-2 ;;
 941       *-isc4.0* )               opsys=isc4-0 ;;
 942       *-isc4.* )                opsys=isc4-1
 943                                 GCC_TEST_OPTIONS=-posix
 944                                 NON_GCC_TEST_OPTIONS=-Xp
 945                                 ;;
 946       *-isc* )                  opsys=isc3-0 ;;
 947       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 948       *-esix* )                 opsys=esix ;;
 949       *-xenix* )                opsys=xenix ;;
 950       *-linux-gnu* )            opsys=gnu-linux ;;
 951       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 952       *-sco3.2v5* )             opsys=sco5
 953                                 NON_GNU_CPP=/lib/cpp
 954                                 # Prevent -belf from being passed to $CPP.
 955                                 # /lib/cpp does not accept it.
 956                                 OVERRIDE_CPPFLAGS=" "
 957                                 ;;
 958       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 959       *-386bsd* )               opsys=386bsd ;;
 960       *-freebsd* )              opsys=freebsd ;;
 961       *-nextstep* )             opsys=nextstep ;;
 962       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 963     esac
 964   ;;
 965
 966   ## m68k Linux-based GNU system
 967   m68k-*-linux-gnu* )
 968     machine=m68k opsys=gnu-linux
 969   ;;
 970
 971   ## Mips Linux-based GNU system
 972   mips-*-linux-gnu* )
 973     machine=mips opsys=gnu-linux
 974   ;;
 975
 976   ## UXP/DS
 977   sparc-fujitsu-sysv4* )
 978     machine=sparc opsys=uxpds
 979     NON_GNU_CPP=/usr/ccs/lib/cpp
 980     RANLIB="ar -ts"
 981   ;;
 982
 983   ## UXP/V
 984   f301-fujitsu-uxpv4.1)
 985     machine=f301 opsys=uxpv
 986   ;;
 987
 988   * )
 989     unported=yes
 990   ;;
 991 esac
 992
 993 ### If the code above didn't choose an operating system, just choose
 994 ### an operating system based on the configuration name.  You really
 995 ### only want to use this when you have no idea what the right
 996 ### operating system is; if you know what operating systems a machine
 997 ### runs, it's cleaner to make it explicit in the case statement
 998 ### above.
 999 if test x"${opsys}" = x; then
1000   case "${canonical}" in
1001     *-gnu* )                            opsys=gnu ;;
1002     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1003     *-bsd4.2 )                          opsys=bsd4-2 ;;
1004     *-bsd4.3 )                          opsys=bsd4-3 ;;
1005     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1006     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1007     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1008     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1009     *-sysv4.2uw* )                      opsys=unixware ;;
1010     *-sysv4.1* | *-sysvr4.1* )
1011         NON_GNU_CPP=/usr/lib/cpp
1012         opsys=usg5-4 ;;
1013     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1014         if [ x$NON_GNU_CPP = x ]; then
1015           if [ -f /usr/ccs/lib/cpp ]; then
1016             NON_GNU_CPP=/usr/ccs/lib/cpp
1017           else
1018             NON_GNU_CPP=/lib/cpp
1019           fi
1020         fi
1021         opsys=usg5-4-2 ;;
1022     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1023     * )
1024       unported=yes
1025     ;;
1026   esac
1027 fi
1028
1029 if test "x$RANLIB" = x; then
1030   RANLIB=ranlib
1031 fi
1032
1033 changequote([, ])dnl
1034
1035 if test $unported = yes; then
1036   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1037 Check \`etc/MACHINES' for recognized configuration names.])
1038 fi
1039
1040 machfile="m/${machine}.h"
1041 opsysfile="s/${opsys}.h"
1042
1043
1044 #### Choose a compiler.
1045 test -n "$CC" && cc_specified=yes
1046
1047 # Save the value of CFLAGS that the user specified.
1048 SPECIFIED_CFLAGS="$CFLAGS"
1049
1050 case ${with_gcc} in
1051   "yes" ) CC="gcc" GCC=yes ;;
1052   "no"  ) : ${CC=cc} ;;
1053   * ) AC_PROG_CC
1054 esac
1055
1056 # On Suns, sometimes $CPP names a directory.
1057 if test -n "$CPP" && test -d "$CPP"; then
1058   CPP=
1059 fi
1060
1061 #### Some systems specify a CPP to use unless we are using GCC.
1062 #### Now that we know whether we are using GCC, we can decide whether
1063 #### to use that one.
1064 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1065 then
1066   CPP="$NON_GNU_CPP"
1067 fi
1068
1069 #### Some systems specify a CC to use unless we are using GCC.
1070 #### Now that we know whether we are using GCC, we can decide whether
1071 #### to use that one.
1072 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1073   test x$cc_specified != xyes
1074 then
1075   CC="$NON_GNU_CC"
1076 fi
1077
1078 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1079 then
1080   CC="$CC $GCC_TEST_OPTIONS"
1081 fi
1082
1083 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1084 then
1085   CC="$CC $NON_GCC_TEST_OPTIONS"
1086 fi
1087
1088 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1089 then
1090   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1091 fi
1092
1093 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1094 then
1095   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1096 fi
1097
1098 #### Some other nice autoconf tests.  If you add a test here which
1099 #### should make an entry in src/config.h, don't forget to add an
1100 #### #undef clause to src/config.h.in for autoconf to modify.
1101
1102 dnl checks for programs
1103 AC_PROG_LN_S
1104 AC_PROG_CPP
1105 AC_PROG_INSTALL
1106 AC_PROG_YACC
1107
1108 dnl checks for Unix variants
1109 AC_AIX
1110
1111 # Sound support for GNU/Linux and the free BSDs.
1112 if test "${with_sound}" = ""; then
1113   with_sound=no
1114 fi
1115 if test "${with_sound}" != "no"; then
1116   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1117 fi
1118
1119 dnl checks for header files
1120 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)
1121 AC_HEADER_STDC
1122 AC_HEADER_TIME
1123 AC_DECL_SYS_SIGLIST
1124
1125 dnl Some systems have utime.h but don't declare the struct anyplace.
1126 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1127 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1128 #include <sys/time.h>
1129 #include <time.h>
1130 #else
1131 #ifdef HAVE_SYS_TIME_H
1132 #include <sys/time.h>
1133 #else
1134 #include <time.h>
1135 #endif
1136 #endif
1137 #ifdef HAVE_UTIME_H
1138 #include <utime.h>
1139 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1140   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1141 if test $emacs_cv_struct_utimbuf = yes; then
1142   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1143 fi
1144
1145 dnl checks for typedefs
1146 AC_TYPE_SIGNAL
1147
1148 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1149 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1150 #include <sys/time.h>
1151 #include <time.h>
1152 #else
1153 #ifdef HAVE_SYS_TIME_H
1154 #include <sys/time.h>
1155 #else
1156 #include <time.h>
1157 #endif
1158 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1159   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1160 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1161 if test $emacs_cv_struct_timeval = yes; then
1162   AC_DEFINE(HAVE_TIMEVAL)
1163 fi
1164
1165 dnl checks for structure members
1166 AC_STRUCT_TM
1167 AC_STRUCT_TIMEZONE
1168
1169 dnl checks for compiler characteristics
1170 AC_C_CONST
1171
1172 dnl check for Make feature
1173 AC_PROG_MAKE_SET
1174
1175 dnl checks for operating system services
1176 AC_SYS_LONG_FILE_NAMES
1177
1178 #### Choose a window system.
1179
1180 AC_PATH_X
1181 if test "$no_x" = yes; then
1182   window_system=none
1183 else
1184   window_system=x11
1185 fi
1186
1187 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1188   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1189   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1190   x_default_search_path=""
1191   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1192     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1193 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1194 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1195 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1196     if test x"${x_default_search_path}" = x; then
1197       x_default_search_path=${x_search_path}
1198     else
1199       x_default_search_path="${x_search_path}:${x_default_search_path}"
1200     fi
1201   done
1202 fi
1203 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1204   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1205 fi
1206
1207 if test x"${x_includes}" = x; then
1208   bitmapdir=/usr/include/X11/bitmaps
1209 else
1210   # accumulate include directories that have X11 bitmap subdirectories
1211   bmd_acc="dummyval"
1212   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1213     if test -d "${bmd}/X11/bitmaps"; then
1214       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1215     elif test -d "${bmd}/bitmaps"; then
1216       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1217     fi
1218   done
1219   if test ${bmd_acc} != "dummyval"; then
1220     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1221   fi
1222 fi
1223
1224 case "${window_system}" in
1225   x11 )
1226     HAVE_X_WINDOWS=yes
1227     HAVE_X11=yes
1228     case "${with_x_toolkit}" in
1229       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1230       motif ) USE_X_TOOLKIT=MOTIF ;;
1231 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1232       no ) USE_X_TOOLKIT=none ;;
1233 dnl If user did not say whether to use a toolkit,
1234 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1235       * ) USE_X_TOOLKIT=maybe ;;
1236     esac
1237   ;;
1238   none )
1239     HAVE_X_WINDOWS=no
1240     HAVE_X11=no
1241     USE_X_TOOLKIT=none
1242   ;;
1243 esac
1244
1245 ### If we're using X11, we should use the X menu package.
1246 HAVE_MENUS=no
1247 case ${HAVE_X11} in
1248   yes ) HAVE_MENUS=yes ;;
1249 esac
1250
1251 ### Is -lXaw3d available?
1252 HAVE_XAW3D=no
1253 if test "${HAVE_X11}" = "yes"; then
1254   old_c_flags="${CFLAGS}"
1255   CFLAGS="${LD_SWITCH_X_SITE}"
1256   AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1257     AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1258   CFLAGS="${old_c_flags}"
1259
1260   if test "${HAVE_XAW3D}" = "yes"; then
1261     AC_DEFINE(HAVE_XAW3D)
1262   fi
1263 fi
1264
1265 ### Use -lXpm if available, unless `--with-xpm=no'.
1266 HAVE_XPM=no
1267 if test "${HAVE_X11}" = "yes"; then
1268   if test "${with_xpm}" != "no"; then
1269     old_c_flags="${CFLAGS}"
1270     CFLAGS="${LD_SWITCH_X_SITE}"
1271     AC_CHECK_HEADER(X11/xpm.h,
1272       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1273     CFLAGS="${old_c_flags}"
1274   fi
1275
1276   if test "${HAVE_XPM}" = "yes"; then
1277     AC_DEFINE(HAVE_XPM)
1278   fi
1279 fi
1280
1281 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1282 HAVE_JPEG=no
1283 if test "${HAVE_X11}" = "yes"; then
1284   if test "${with_jpeg}" != "no"; then
1285     old_c_flags="${CFLAGS}"
1286     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1287     AC_CHECK_HEADER(jpeglib.h,
1288       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
1289     CFLAGS="${old_c_flags}"
1290   fi
1291
1292   if test "${HAVE_JPEG}" = "yes"; then
1293     AC_DEFINE(HAVE_JPEG)
1294   fi
1295 fi
1296
1297 ### Use -lpng if available, unless `--with-png=no'.
1298 HAVE_PNG=no
1299 if test "${HAVE_X11}" = "yes"; then
1300   if test "${with_png}" != "no"; then
1301     old_c_flags="${CFLAGS}"
1302     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1303     AC_CHECK_HEADER(png.h,
1304       AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1305     CFLAGS="${old_c_flags}"
1306   fi
1307
1308   if test "${HAVE_PNG}" = "yes"; then
1309     AC_DEFINE(HAVE_PNG)
1310   fi
1311 fi
1312
1313 ### Use -ltiff if available, unless `--with-tiff=no'.
1314 HAVE_TIFF=no
1315 if test "${HAVE_X11}" = "yes"; then
1316   if test "${with_tiff}" != "no"; then
1317     old_c_flags="${CFLAGS}"
1318     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1319     AC_CHECK_HEADER(tiff34/tiffio.h,
1320       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11))
1321     CFLAGS="${old_c_flags}"
1322   fi
1323
1324   if test "${HAVE_TIFF}" = "yes"; then
1325     AC_DEFINE(HAVE_TIFF)
1326   fi
1327 fi
1328
1329 ### Use -lgif if available, unless `--with-gif=no'.
1330 HAVE_GIF=no
1331 if test "${HAVE_X11}" = "yes"; then
1332   if test "${with_gif}" != "no"; then
1333     old_c_flags="${CFLAGS}"
1334     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1335     AC_CHECK_HEADER(gif_lib.h,
1336       AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
1337     CFLAGS="${old_c_flags}"
1338   fi
1339
1340   if test "${HAVE_GIF}" = "yes"; then
1341     AC_DEFINE(HAVE_GIF)
1342   fi
1343 fi
1344
1345 if test "${opsys}" = "hpux9"; then
1346   case "${x_libraries}" in
1347     *X11R4* )
1348       opsysfile="s/hpux9-x11r4.h"
1349       ;;
1350   esac
1351 fi
1352
1353 if test "${opsys}" = "hpux9shr"; then
1354   case "${x_libraries}" in
1355     *X11R4* )
1356       opsysfile="s/hpux9shxr4.h"
1357       ;;
1358   esac
1359 fi
1360
1361 #### Extract some information from the operating system and machine files.
1362
1363 AC_CHECKING([the machine- and system-dependent files to find out
1364  - which libraries the lib-src programs will want, and
1365  - whether the GNU malloc routines are usable])
1366
1367 ### First figure out CFLAGS (which we use for running the compiler here)
1368 ### and REAL_CFLAGS (which we use for real compilation).
1369 ### The two are the same except on a few systems, where they are made
1370 ### different to work around various lossages.  For example,
1371 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1372 ### as implying static linking.
1373
1374 ### If the CFLAGS env var is specified, we use that value
1375 ### instead of the default.
1376
1377 ### It's not important that this name contain the PID; you can't run
1378 ### two configures in the same directory and have anything work
1379 ### anyway.
1380 tempcname="conftest.c"
1381
1382 echo '
1383 #include "'${srcdir}'/src/'${opsysfile}'"
1384 #include "'${srcdir}'/src/'${machfile}'"
1385 #ifndef LIBS_MACHINE
1386 #define LIBS_MACHINE
1387 #endif
1388 #ifndef LIBS_SYSTEM
1389 #define LIBS_SYSTEM
1390 #endif
1391 #ifndef C_SWITCH_SYSTEM
1392 #define C_SWITCH_SYSTEM
1393 #endif
1394 #ifndef C_SWITCH_MACHINE
1395 #define C_SWITCH_MACHINE
1396 #endif
1397 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1398 configure___ c_switch_system=C_SWITCH_SYSTEM
1399 configure___ c_switch_machine=C_SWITCH_MACHINE
1400
1401 #ifndef LIB_X11_LIB
1402 #define LIB_X11_LIB -lX11
1403 #endif
1404
1405 #ifndef LIBX11_MACHINE
1406 #define LIBX11_MACHINE
1407 #endif
1408
1409 #ifndef LIBX11_SYSTEM
1410 #define LIBX11_SYSTEM
1411 #endif
1412 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1413
1414 #ifdef UNEXEC
1415 configure___ unexec=UNEXEC
1416 #else
1417 configure___ unexec=unexec.o
1418 #endif
1419
1420 #ifdef SYSTEM_MALLOC
1421 configure___ system_malloc=yes
1422 #else
1423 configure___ system_malloc=no
1424 #endif
1425
1426 #ifndef C_DEBUG_SWITCH
1427 #define C_DEBUG_SWITCH -g
1428 #endif
1429
1430 #ifndef C_OPTIMIZE_SWITCH
1431 #define C_OPTIMIZE_SWITCH -O
1432 #endif
1433
1434 #ifndef LD_SWITCH_MACHINE
1435 #define LD_SWITCH_MACHINE
1436 #endif
1437
1438 #ifndef LD_SWITCH_SYSTEM
1439 #define LD_SWITCH_SYSTEM
1440 #endif
1441
1442 #ifndef LD_SWITCH_X_SITE_AUX
1443 #define LD_SWITCH_X_SITE_AUX
1444 #endif
1445
1446 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1447 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1448
1449 #ifdef THIS_IS_CONFIGURE
1450
1451 /* Get the CFLAGS for tests in configure.  */
1452 #ifdef __GNUC__
1453 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1454 #else
1455 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1456 #endif
1457
1458 #else /* not THIS_IS_CONFIGURE */
1459
1460 /* Get the CFLAGS for real compilation.  */
1461 #ifdef __GNUC__
1462 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1463 #else
1464 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1465 #endif
1466
1467 #endif /* not THIS_IS_CONFIGURE */
1468 ' > ${tempcname}
1469
1470 # The value of CPP is a quoted variable reference, so we need to do this
1471 # to get its actual value...
1472 CPP=`eval "echo $CPP"`
1473 changequote(, )dnl
1474 eval `${CPP} -Isrc ${tempcname} \
1475        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1476 if test "x$SPECIFIED_CFLAGS" = x; then
1477   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1478          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1479 else
1480   REAL_CFLAGS="$CFLAGS"
1481 fi
1482 changequote([, ])dnl
1483 rm ${tempcname}
1484
1485 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1486
1487 ### Compute the unexec source name from the object name.
1488 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1489
1490 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1491 # Assume not, until told otherwise.
1492 GNU_MALLOC=yes
1493 doug_lea_malloc=yes
1494 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1495 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1496 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1497                emacs_cv_var___after_morecore_hook,
1498 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1499   emacs_cv_var___after_morecore_hook=yes,
1500   emacs_cv_var___after_morecore_hook=no))
1501 if test $emacs_cv_var___after_morecore_hook = no; then
1502   doug_lea_malloc=no
1503 fi
1504 if test "${system_malloc}" = "yes"; then
1505   GNU_MALLOC=no
1506   GNU_MALLOC_reason="
1507     (The GNU allocators don't work with this system configuration.)"
1508 fi
1509 if test "$doug_lea_malloc" = "yes" ; then
1510   if test "$GNU_MALLOC" = yes ; then
1511     GNU_MALLOC_reason="
1512       (Using Doug Lea's new malloc from the GNU C Library.)"
1513   fi
1514   AC_DEFINE(DOUG_LEA_MALLOC)
1515 fi
1516
1517 if test x"${REL_ALLOC}" = x; then
1518   REL_ALLOC=${GNU_MALLOC}
1519 fi
1520
1521 LISP_FLOAT_TYPE=yes
1522
1523
1524 #### Add the libraries to LIBS and check for some functions.
1525
1526 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1527   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1528 else
1529   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1530 fi
1531
1532 LIBS="$libsrc_libs $LIBS"
1533
1534 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1535 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1536 AC_CHECK_LIB(dnet, dnet_ntoa)
1537 dnl This causes -lresolv to get used in subsequent tests,
1538 dnl which causes failures on some systems such as HPUX 9.
1539 dnl AC_CHECK_LIB(resolv, gethostbyname)
1540
1541 dnl FIXME replace main with a function we actually want from this library.
1542 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1543
1544 AC_CHECK_LIB(pthreads, cma_open)
1545
1546 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1547 if test -d /usr/X386/include; then
1548   HAVE_XFREE386=yes
1549   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1550 else
1551   HAVE_XFREE386=no
1552 fi
1553 AC_MSG_RESULT($HAVE_XFREE386)
1554
1555 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1556 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1557
1558 if test "${HAVE_X11}" = "yes"; then
1559   DEFS="$C_SWITCH_X_SITE $DEFS"
1560   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1561   LIBS="$LIBX $LIBS"
1562   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1563
1564   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1565   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1566   # but it's more convenient here to set LD_RUN_PATH
1567   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1568   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1569     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1570     export LD_RUN_PATH
1571   fi
1572
1573   if test "${opsys}" = "gnu-linux"; then
1574     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1575     AC_TRY_LINK([],
1576      [XOpenDisplay ("foo");],
1577      [xlinux_first_failure=no],
1578      [xlinux_first_failure=yes])
1579     if test "${xlinux_first_failure}" = "yes"; then
1580       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1581       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1582       OLD_CPPFLAGS="$CPPFLAGS"
1583       OLD_LIBS="$LIBS"
1584       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1585       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1586       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1587       LIBS="$LIBS -b i486-linuxaout"
1588       AC_TRY_LINK([],
1589        [XOpenDisplay ("foo");],
1590        [xlinux_second_failure=no],
1591        [xlinux_second_failure=yes])
1592       if test "${xlinux_second_failure}" = "yes"; then
1593         # If we get the same failure with -b, there is no use adding -b.
1594         # So take it out.  This plays safe.
1595         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1596         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1597         CPPFLAGS="$OLD_CPPFLAGS"
1598         LIBS="$OLD_LIBS"
1599         AC_MSG_RESULT(no)
1600       else
1601         AC_MSG_RESULT(yes)
1602       fi
1603     else
1604       AC_MSG_RESULT(no)
1605     fi
1606   fi
1607
1608   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1609 XScreenNumberOfScreen XSetWMProtocols)
1610 fi
1611
1612 if test "${window_system}" = "x11"; then
1613   AC_MSG_CHECKING(X11 version 6)
1614   AC_CACHE_VAL(emacs_cv_x11_version_6,
1615   AC_TRY_LINK([#include <X11/Xlib.h>],
1616 [#if XlibSpecificationRelease < 6
1617 fail;
1618 #endif
1619 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1620   if test $emacs_cv_x11_version_6 = yes; then
1621     AC_MSG_RESULT(6 or newer)
1622     AC_DEFINE(HAVE_X11R6)
1623   else
1624     AC_MSG_RESULT(before 6)
1625   fi
1626 fi
1627
1628 if test "${window_system}" = "x11"; then
1629   AC_MSG_CHECKING(X11 version 5)
1630   AC_CACHE_VAL(emacs_cv_x11_version_5,
1631   AC_TRY_LINK([#include <X11/Xlib.h>],
1632 [#if XlibSpecificationRelease < 5
1633 fail;
1634 #endif
1635 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1636   if test $emacs_cv_x11_version_5 = yes; then
1637     AC_MSG_RESULT(5 or newer)
1638     HAVE_X11R5=yes
1639     AC_DEFINE(HAVE_X11R5)
1640   else
1641     HAVE_X11R5=no
1642     AC_MSG_RESULT(before 5)
1643   fi
1644 fi
1645
1646 dnl Do not put whitespace before the #include statements below.
1647 dnl Older compilers (eg sunos4 cc) choke on it.
1648 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1649   if test x"${HAVE_X11R5}" = xyes; then
1650     AC_MSG_CHECKING(X11 version 5 with Xaw)
1651     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1652     AC_TRY_LINK([
1653 #include <X11/Intrinsic.h>
1654 #include <X11/Xaw/Simple.h>],
1655       [],
1656       emacs_cv_x11_version_5_with_xaw=yes,
1657       emacs_cv_x11_version_5_with_xaw=no))
1658     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1659       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1660       USE_X_TOOLKIT=LUCID
1661     else
1662       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1663       USE_X_TOOLKIT=none
1664     fi
1665   else
1666     USE_X_TOOLKIT=none
1667   fi
1668 fi
1669
1670 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1671
1672 dnl Use toolkit scroll bars if configured for X toolkit and either
1673 dnl using Motif or Xaw3d is available, and unless
1674 dnl --with-toolkit-scroll-bars=no was specified.
1675
1676 USE_TOOLKIT_SCROLL_BARS=no
1677 if test "${with_toolkit_scroll_bars}" != "no"; then
1678   if test "${USE_X_TOOLKIT}" != "none"; then
1679     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1680       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1681       HAVE_XAW3D=no
1682       USE_TOOLKIT_SCROLL_BARS=yes
1683     elif test "${HAVE_XAW3D}" = "yes"; then
1684       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1685       USE_TOOLKIT_SCROLL_BARS=yes
1686     fi
1687   fi
1688 fi
1689
1690 if test "${USE_X_TOOLKIT}" != "none"; then
1691   AC_MSG_CHECKING(X11 toolkit version)
1692   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1693   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1694 [#if XtSpecificationRelease < 6
1695 fail;
1696 #endif
1697 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1698   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1699   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1700     AC_MSG_RESULT(6 or newer)
1701     AC_DEFINE(HAVE_X11XTR6)
1702   else
1703     AC_MSG_RESULT(before 6)
1704   fi
1705
1706 dnl If using toolkit, check whether libXmu.a exists.
1707 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1708   OLDLIBS="$LIBS"
1709   if test x$HAVE_X11XTR6 = xyes; then
1710     LIBS="-lXt -lSM -lICE $LIBS"
1711   else
1712     LIBS="-lXt $LIBS"
1713   fi
1714   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1715   LIBS="$OLDLIBS"
1716 fi
1717
1718 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1719   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1720   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1721     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1722 int x = 5;
1723 #else
1724 Motif version prior to 2.1.
1725 #endif],
1726     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1727   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1728   if test $emacs_cv_motif_version_2_1 = yes; then
1729     AC_DEFINE(HAVE_MOTIF_2_1)
1730     AC_CHECK_LIB(Xp, XpCreateContext)
1731   fi
1732 fi
1733
1734 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1735 AC_CACHE_CHECK(whether netdb declares h_errno,
1736                emacs_cv_netdb_declares_h_errno,
1737 AC_TRY_LINK([#include <netdb.h>],
1738   [return h_errno;],
1739   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1740 if test $emacs_cv_netdb_declares_h_errno = yes; then
1741   AC_DEFINE(HAVE_H_ERRNO)
1742 fi
1743
1744 AC_FUNC_ALLOCA
1745
1746 # fmod, logb, and frexp are found in -lm on most systems.
1747 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1748 AC_CHECK_LIB(m, sqrt)
1749
1750 # Check for mail-locking functions in a "mail" library
1751 AC_CHECK_LIB(mail, maillock,
1752              AC_DEFINE(HAVE_LIBMAIL)
1753              AC_CHECK_FUNCS(touchlock)
1754              AC_CHECK_HEADERS(maillock.h))
1755
1756 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1757 rename closedir mkdir rmdir sysinfo \
1758 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1759 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1760 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo)
1761
1762 # Check this now, so that we will NOT find the above functions in ncurses.
1763 # That is because we have not set up to link ncurses in lib-src.
1764 # It's better to believe a function is not available
1765 # than to expect to find it in ncurses.
1766 AC_CHECK_LIB(ncurses, tparm)
1767
1768 # Solaris requires -lintl if you want strerror (which calls dgettext)
1769 # to return localized messages.
1770 AC_CHECK_LIB(intl, dgettext)
1771
1772 AC_MSG_CHECKING(whether localtime caches TZ)
1773 AC_CACHE_VAL(emacs_cv_localtime_cache,
1774 [if test x$ac_cv_func_tzset = xyes; then
1775 AC_TRY_RUN([#include <time.h>
1776 #if STDC_HEADERS
1777 # include <stdlib.h>
1778 #endif
1779 extern char **environ;
1780 unset_TZ ()
1781 {
1782   char **from, **to;
1783   for (to = from = environ; (*to = *from); from++)
1784     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1785       to++;
1786 }
1787 char TZ_GMT0[] = "TZ=GMT0";
1788 char TZ_PST8[] = "TZ=PST8";
1789 main()
1790 {
1791   time_t now = time ((time_t *) 0);
1792   int hour_GMT0, hour_unset;
1793   if (putenv (TZ_GMT0) != 0)
1794     exit (1);
1795   hour_GMT0 = localtime (&now)->tm_hour;
1796   unset_TZ ();
1797   hour_unset = localtime (&now)->tm_hour;
1798   if (putenv (TZ_PST8) != 0)
1799     exit (1);
1800   if (localtime (&now)->tm_hour == hour_GMT0)
1801     exit (1);
1802   unset_TZ ();
1803   if (localtime (&now)->tm_hour != hour_unset)
1804     exit (1);
1805   exit (0);
1806 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1807 [# If we have tzset, assume the worst when cross-compiling.
1808 emacs_cv_localtime_cache=yes])
1809 else
1810         # If we lack tzset, report that localtime does not cache TZ,
1811         # since we can't invalidate the cache if we don't have tzset.
1812         emacs_cv_localtime_cache=no
1813 fi])dnl
1814 AC_MSG_RESULT($emacs_cv_localtime_cache)
1815 if test $emacs_cv_localtime_cache = yes; then
1816   AC_DEFINE(LOCALTIME_CACHE)
1817 fi
1818
1819 if test "x$HAVE_TIMEVAL" = xyes; then
1820 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1821                emacs_cv_gettimeofday_two_arguments,
1822 AC_TRY_LINK([
1823 #ifdef TIME_WITH_SYS_TIME
1824 #include <sys/time.h>
1825 #include <time.h>
1826 #else
1827 #ifdef HAVE_SYS_TIME_H
1828 #include <sys/time.h>
1829 #else
1830 #include <time.h>
1831 #endif
1832 #endif
1833   ],
1834   [
1835   struct timeval time;
1836   struct timezone dummy;
1837   gettimeofday (&time, &dummy);
1838 ],
1839   emacs_cv_gettimeofday_two_arguments=yes,
1840   emacs_cv_gettimeofday_two_arguments=no))
1841   if test $emacs_cv_gettimeofday_two_arguments = no; then
1842     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1843   fi
1844 fi
1845
1846 ok_so_far=yes
1847 AC_CHECK_FUNC(socket, , ok_so_far=no)
1848 if test $ok_so_far = yes; then
1849   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1850 fi
1851 if test $ok_so_far = yes; then
1852   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1853 fi
1854 if test $ok_so_far = yes; then
1855   AC_DEFINE(HAVE_INET_SOCKETS)
1856 fi
1857
1858 if test -f /usr/lpp/X11/bin/smt.exp; then
1859   AC_DEFINE(HAVE_AIX_SMT_EXP)
1860 fi
1861
1862 # Set up the CFLAGS for real compilation, so we can substitute it.
1863 CFLAGS="$REAL_CFLAGS"
1864
1865 changequote(, )dnl
1866 #### Find out which version of Emacs this is.
1867 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1868          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1869 changequote([, ])dnl
1870 if test x"${version}" = x; then
1871   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1872 fi
1873
1874 ### Specify what sort of things we'll be editing into Makefile and config.h.
1875 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1876 AC_SUBST(version)
1877 AC_SUBST(configuration)
1878 AC_SUBST(canonical)
1879 AC_SUBST(srcdir)
1880 AC_SUBST(prefix)
1881 AC_SUBST(exec_prefix)
1882 AC_SUBST(bindir)
1883 AC_SUBST(datadir)
1884 AC_SUBST(sharedstatedir)
1885 AC_SUBST(libexecdir)
1886 AC_SUBST(mandir)
1887 AC_SUBST(infodir)
1888 AC_SUBST(lispdir)
1889 AC_SUBST(locallisppath)
1890 AC_SUBST(lisppath)
1891 AC_SUBST(x_default_search_path)
1892 AC_SUBST(etcdir)
1893 AC_SUBST(archlibdir)
1894 AC_SUBST(docdir)
1895 AC_SUBST(bitmapdir)
1896 AC_SUBST(c_switch_system)
1897 AC_SUBST(c_switch_machine)
1898 AC_SUBST(LD_SWITCH_X_SITE)
1899 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1900 AC_SUBST(C_SWITCH_X_SITE)
1901 AC_SUBST(CFLAGS)
1902 AC_SUBST(X_TOOLKIT_TYPE)
1903 AC_SUBST(machfile)
1904 AC_SUBST(opsysfile)
1905 AC_SUBST(RANLIB)
1906
1907 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1908 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1909 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1910 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1911 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1912 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1913 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1914 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1915
1916 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1917   AC_DEFINE(HAVE_X_WINDOWS)
1918 fi
1919 if test "${USE_X_TOOLKIT}" != "none" ; then
1920   AC_DEFINE(USE_X_TOOLKIT)
1921 fi
1922 if test "${HAVE_X11}" = "yes" ; then
1923   AC_DEFINE(HAVE_X11)
1924 fi
1925 if test "${HAVE_XFREE386}" = "yes" ; then
1926   AC_DEFINE(HAVE_XFREE386)
1927 fi
1928 if test "${HAVE_MENUS}" = "yes" ; then
1929   AC_DEFINE(HAVE_MENUS)
1930 fi
1931 if test "${GNU_MALLOC}" = "yes" ; then
1932   AC_DEFINE(GNU_MALLOC)
1933 fi
1934 if test "${REL_ALLOC}" = "yes" ; then
1935   AC_DEFINE(REL_ALLOC)
1936 fi
1937 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1938   AC_DEFINE(LISP_FLOAT_TYPE)
1939 fi
1940
1941 #### Report on what we decided to do.
1942 echo "
1943 Configured for \`${canonical}'.
1944
1945   Where should the build process find the source code?    ${srcdir}
1946   What operating system and machine description files should Emacs use?
1947         \`${opsysfile}' and \`${machfile}'
1948   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1949   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1950   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1951   What window system should Emacs use?                    ${window_system}
1952   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1953
1954 if test -n "${x_includes}"; then
1955 echo "  Where do we find X Windows header files?                ${x_includes}"
1956 else
1957 echo "  Where do we find X Windows header files?                Standard dirs"
1958 fi
1959 if test -n "${x_libraries}"; then
1960 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1961 else
1962 echo "  Where do we find X Windows libraries?                   Standard dirs"
1963 fi
1964
1965 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
1966 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
1967 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
1968 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
1969 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
1970 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
1971 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
1972 echo
1973
1974 # Remove any trailing slashes in these variables.
1975 changequote(, )dnl
1976 test "${prefix}" != NONE &&
1977   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1978 test "${exec_prefix}" != NONE &&
1979   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1980 changequote([, ])dnl
1981
1982 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1983         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
1984         leim/Makefile, [
1985
1986 ### Make the necessary directories, if they don't exist.
1987 for dir in etc lisp ; do
1988   test -d ${dir} || mkdir ${dir}
1989 done
1990
1991 # Build src/Makefile from ${srcdir}/src/Makefile.c
1992 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1993 # This must be done after src/config.h is built, since we rely on that file.
1994
1995 changequote(, )dnl The horror, the horror.
1996 # Now get this: Some word that is part of the ${srcdir} directory name
1997 # or the ${configuration} value might, just might, happen to be an
1998 # identifier like `sun4' or `i386' or something, and be predefined by
1999 # the C preprocessor to some helpful value like 1, or maybe the empty
2000 # string.  Needless to say consequent macro substitutions are less
2001 # than conducive to the makefile finding the correct directory.
2002 undefs="`echo $top_srcdir $configuration $canonical |
2003 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2004     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2005 `"
2006 changequote([, ])dnl
2007
2008 echo creating src/epaths.h
2009 make epaths-force
2010
2011 echo creating lib-src/Makefile
2012 ( cd lib-src
2013   rm -f junk.c junk1.c junk2.c
2014   sed -e '/start of cpp stuff/q' \
2015       < Makefile.c > junk1.c
2016   sed -e '1,/start of cpp stuff/d'\
2017       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2018       < Makefile.c > junk.c
2019   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2020       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2021   cat junk1.c junk2.c > Makefile.new
2022   rm -f junk.c junk1.c junk2.c
2023   chmod 444 Makefile.new
2024   mv -f Makefile.new Makefile
2025 )
2026
2027 echo creating src/Makefile
2028 ( cd src
2029   rm -f junk.c junk1.c junk2.c
2030   sed -e '/start of cpp stuff/q' \
2031       < Makefile.c > junk1.c
2032   sed -e '1,/start of cpp stuff/d'\
2033       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2034       < Makefile.c > junk.c
2035   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2036       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2037   cat junk1.c junk2.c > Makefile.new
2038   rm -f junk.c junk1.c junk2.c
2039   chmod 444 Makefile.new
2040   mv -f Makefile.new Makefile
2041 )
2042
2043 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2044   echo creating src/.gdbinit
2045   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2046 fi
2047
2048 # This is how we know whether to re-run configure in certain cases.
2049 touch src/config.stamp
2050
2051 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])