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(kerberos,
  43 [  --with-kerberos         support Kerberos-authenticated POP],
  44 [AC_DEFINE(KERBEROS)])
  45 AC_ARG_WITH(kerberos5,
  46 [  --with-kerberos5         support Kerberos version 5 authenticated POP],
  47 [if test "${with_kerberos5+set}" = set; then
  48   if test "${with_kerberos+set}" != set; then
  49     with_kerberos=yes
  50     AC_DEFINE(KERBEROS)
  51   fi
  52 fi
  53 AC_DEFINE(KERBEROS5)])
  54 AC_ARG_WITH(hesiod,
  55 [  --with-hesiod           support Hesiod to get the POP server host],
  56 [AC_DEFINE(HESIOD)])
  57 AC_ARG_WITH(gssapi,
  58 [  --with-gssapi           support GSSAPI-authenticated POP],
  59 [AC_DEFINE(GSSAPI)])
  60 dnl This should be the last --with option, because --with-x is
  61 dnl added later on when we find the path of X, and it's best to
  62 dnl keep them together visually.
  63 AC_ARG_WITH(x-toolkit,
  64 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  65 [         case "${withval}" in
  66             y | ye | yes )      val=athena ;;
  67             n | no )            val=no  ;;
  68             l | lu | luc | luci | lucid )       val=lucid ;;
  69             a | at | ath | athe | athen | athena )      val=athena ;;
  70             m | mo | mot | moti | motif )       val=motif ;;
  71 dnl These don't currently work.
  72 dnl         o | op | ope | open | open- | open-l | open-lo \
  73 dnl             | open-loo | open-look )        val=open-look ;;
  74             * )
  75 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  76 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  77 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  78 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  79 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  80             ;;
  81           esac
  82           with_x_toolkit=$val
  83 ])
  84
  85 #### Make srcdir absolute, if it isn't already.  It's important to
  86 #### avoid running the path through pwd unnecessary, since pwd can
  87 #### give you automounter prefixes, which can go away.  We do all this
  88 #### so Emacs can find its files when run uninstalled.
  89 case "${srcdir}" in
  90   /* ) ;;
  91   . )
  92     ## We may be able to use the $PWD environment variable to make this
  93     ## absolute.  But sometimes PWD is inaccurate.
  94     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  95     unset CDPATH
  96     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  97     then
  98       srcdir="$PWD"
  99     else
 100       srcdir="`(cd ${srcdir}; pwd)`"
 101     fi
 102   ;;
 103   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 104 esac
 105
 106 #### Check if the source directory already has a configured system in it.
 107 if test `pwd` != `(cd ${srcdir} && pwd)` \
 108    && test -f "${srcdir}/src/config.h" ; then
 109   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 110    as a build directory right now; it has been configured in its own
 111    right.  To configure in another directory as well, you MUST
 112    use GNU make.  If you do not have GNU make, then you must
 113    now do \`make distclean' in ${srcdir},
 114    and then run $0 again.])
 115
 116 changequote(, )dnl
 117   extrasub='/^VPATH[     ]*=/c\
 118 changequote([, ])dnl
 119 vpath %.c $(srcdir)\
 120 vpath %.h $(srcdir)\
 121 vpath %.y $(srcdir)\
 122 vpath %.l $(srcdir)\
 123 vpath %.s $(srcdir)\
 124 vpath %.in $(srcdir)\
 125 vpath %.texi $(srcdir)'
 126 fi
 127
 128 #### Given the configuration name, set machfile and opsysfile to the
 129 #### names of the m/*.h and s/*.h files we should use.
 130
 131 ### Canonicalize the configuration name.
 132
 133 AC_CANONICAL_HOST
 134 canonical=$host
 135 configuration=$host_alias
 136
 137 changequote(, )dnl
 138
 139 ### If you add support for a new configuration, add code to this
 140 ### switch statement to recognize your configuration name and select
 141 ### the appropriate operating system and machine description files.
 142
 143 ### You would hope that you could choose an m/*.h file pretty much
 144 ### based on the machine portion of the configuration name, and an s-
 145 ### file based on the operating system portion.  However, it turns out
 146 ### that each m/*.h file is pretty manufacturer-specific - for
 147 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 148 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 149 ### machines.  So we basically have to have a special case for each
 150 ### configuration name.
 151 ###
 152 ### As far as handling version numbers on operating systems is
 153 ### concerned, make sure things will fail in a fixable way.  If
 154 ### /etc/MACHINES doesn't say anything about version numbers, be
 155 ### prepared to handle anything reasonably.  If version numbers
 156 ### matter, be sure /etc/MACHINES says something about it.
 157 ###
 158 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 159 ### "System V Release 4"; he writes, "The old convention encouraged
 160 ### confusion between `system' and `release' levels'."
 161
 162 machine='' opsys='' unported=no
 163 case "${canonical}" in
 164
 165   ## NetBSD ports
 166   *-*-netbsd* )
 167     opsys=netbsd
 168     case "${canonical}" in
 169       alpha*-*-netbsd*) machine=alpha ;;
 170       i[3456]86-*-netbsd*) machine=intel386 ;;
 171       m68k-*-netbsd*)
 172                         # This is somewhat bogus.
 173                         machine=hp9000s300 ;;
 174       mips-*-netbsd*)   machine=pmax ;;
 175       ns32k-*-netbsd*)  machine=ns32000 ;;
 176       sparc-*-netbsd*)  machine=sparc ;;
 177       vax-*-netbsd*)    machine=vax ;;
 178     esac
 179   ;;
 180
 181   ## OpenBSD ports
 182   *-*-openbsd* )
 183     opsys=openbsd
 184     case "${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-*-netbsd*)    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* )
 748     machine=iris4d opsys=irix6-0
 749     NON_GNU_CPP=/lib/cpp
 750     NON_GCC_TEST_OPTIONS=-32
 751   ;;
 752   mips-sgi-irix5.[01]* )
 753     machine=iris4d opsys=irix5-0
 754   ;;
 755   mips-sgi-irix5* | mips-sgi-irix* )
 756     machine=iris4d opsys=irix5-2
 757   ;;
 758
 759   ## SONY machines
 760   m68*-sony-bsd4.2* )
 761     machine=news opsys=bsd4-2
 762   ;;
 763   m68*-sony-bsd4.3* )
 764     machine=news opsys=bsd4-3
 765   ;;
 766   m68*-sony-newsos3* | m68*-sony-news3*)
 767     machine=news opsys=bsd4-3
 768   ;;
 769   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 770     machine=news-risc opsys=bsd4-3
 771   ;;
 772   mips-sony-newsos6* )
 773     machine=news-r6 opsys=newsos6
 774   ;;
 775   mips-sony-news* )
 776     machine=news-risc opsys=newsos5
 777   ;;
 778
 779   ## Stride
 780   m68*-stride-sysv* )
 781     machine=stride opsys=usg5-2
 782   ;;
 783
 784   ## Suns
 785   sparc-*-linux-gnu* )
 786     machine=sparc opsys=gnu-linux
 787   ;;
 788
 789   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 790     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 791     | rs6000-*-solaris2*)
 792     case "${canonical}" in
 793       m68*-sunos1* )    machine=sun1 ;;
 794       m68*-sunos2* )    machine=sun2 ;;
 795       m68* )            machine=sun3 ;;
 796       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 797       i[3456]86-*-* )     machine=intel386 ;;
 798       powerpcle* )      machine=powerpcle ;;
 799       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 800       sparc* )          machine=sparc ;;
 801       * )               unported=yes ;;
 802     esac
 803     case "${canonical}" in
 804       ## The Sun386 didn't get past 4.0.
 805       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 806       *-sunos4.0*         ) opsys=sunos4-0 ;;
 807       *-sunos4.1.[3-9]*noshare )
 808                 ## This name is sunos413 instead of sunos4-1-3
 809                 ## to avoid a file name conflict on MSDOS.
 810                 opsys=sunos413
 811                 NON_GNU_CPP=/usr/lib/cpp
 812                 NON_GCC_TEST_OPTIONS=-Bstatic
 813                 GCC_TEST_OPTIONS=-static
 814                 ;;
 815       *-sunos4.1.[3-9]* | *-sunos4shr*)
 816                 opsys=sunos4shr
 817                 NON_GNU_CPP=/usr/lib/cpp
 818                 ;;
 819       *-sunos4* | *-sunos )
 820                 opsys=sunos4-1
 821                 NON_GCC_TEST_OPTIONS=-Bstatic
 822                 GCC_TEST_OPTIONS=-static
 823                 ;;
 824       *-sunos5.3* | *-solaris2.3* )
 825                 opsys=sol2-3
 826                 NON_GNU_CPP=/usr/ccs/lib/cpp
 827                 ;;
 828       *-sunos5.4* | *-solaris2.4* )
 829                 opsys=sol2-4
 830                 NON_GNU_CPP=/usr/ccs/lib/cpp
 831                 RANLIB="ar -ts"
 832                 ;;
 833       *-sunos5.5* | *-solaris2.5* )
 834                 opsys=sol2-5
 835                 NON_GNU_CPP=/usr/ccs/lib/cpp
 836                 RANLIB="ar -ts"
 837                 ;;
 838       *-sunos5* | *-solaris* )
 839                 opsys=sol2-5
 840                 NON_GNU_CPP=/usr/ccs/lib/cpp
 841                 ;;
 842       *                   ) opsys=bsd4-2   ;;
 843     esac
 844     ## Watch out for a compiler that we know will not work.
 845     case "${canonical}" in
 846      *-solaris* | *-sunos5* )
 847                 if [ "x$CC" = x/usr/ucb/cc ]; then
 848                   ## /usr/ucb/cc doesn't work;
 849                   ## we should find some other compiler that does work.
 850                   unset CC
 851                 fi
 852                 ;;
 853       *) ;;
 854     esac
 855   ;;
 856   sparc-*-nextstep* )
 857     machine=sparc opsys=nextstep
 858   ;;
 859
 860   ## Tadpole 68k
 861   m68*-tadpole-sysv* )
 862     machine=tad68k opsys=usg5-3
 863   ;;
 864
 865   ## Tahoe machines
 866   tahoe-tahoe-bsd4.2* )
 867     machine=tahoe opsys=bsd4-2
 868   ;;
 869   tahoe-tahoe-bsd4.3* )
 870     machine=tahoe opsys=bsd4-3
 871   ;;
 872
 873   ## Tandem Integrity S2
 874   mips-tandem-sysv* )
 875     machine=tandem-s2 opsys=usg5-3
 876   ;;
 877
 878   ## Tektronix XD88
 879   m88k-tektronix-sysv3* )
 880   machine=tekxd88 opsys=usg5-3
 881   ;;
 882
 883   ## Tektronix 16000 box (6130?)
 884   ns16k-tektronix-bsd* )
 885     machine=ns16000 opsys=bsd4-2
 886   ;;
 887   ## Tektronix 4300
 888   ## src/m/tek4300.h hints that this is a m68k machine.
 889   m68*-tektronix-bsd* )
 890     machine=tek4300 opsys=bsd4-3
 891   ;;
 892
 893   ## Titan P2 or P3
 894   ## We seem to have lost the machine-description file titan.h!
 895   titan-titan-sysv* )
 896     machine=titan opsys=usg5-3
 897   ;;
 898
 899   ## Ustation E30 (SS5E)
 900   m68*-unisys-uniplus* )
 901     machine=ustation opsystem=unipl5-2
 902   ;;
 903
 904   ## Vaxen.
 905   vax-dec-* )
 906     machine=vax
 907     case "${canonical}" in
 908       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 909       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 910       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 911       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 912       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 913       *-vms* )                                          opsys=vms ;;
 914       * )                                               unported=yes
 915     esac
 916   ;;
 917
 918   ## Whitechapel MG1
 919   ns16k-whitechapel-* )
 920     machine=mg1
 921     ## We don't know what sort of OS runs on these; we'll let the
 922     ## operating system guessing code below try.
 923   ;;
 924
 925   ## Wicat
 926   m68*-wicat-sysv* )
 927     machine=wicat opsys=usg5-2
 928   ;;
 929
 930   ## Intel 386 machines where we don't care about the manufacturer
 931   i[3456]86-*-* )
 932     machine=intel386
 933     case "${canonical}" in
 934       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 935       *-isc2.2* )               opsys=isc2-2 ;;
 936       *-isc4.0* )               opsys=isc4-0 ;;
 937       *-isc4.* )                opsys=isc4-1
 938                                 GCC_TEST_OPTIONS=-posix
 939                                 NON_GCC_TEST_OPTIONS=-Xp
 940                                 ;;
 941       *-isc* )                  opsys=isc3-0 ;;
 942       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 943       *-esix* )                 opsys=esix ;;
 944       *-xenix* )                opsys=xenix ;;
 945       *-linux-gnu* )            opsys=gnu-linux ;;
 946       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 947       *-sco3.2v5* )             opsys=sco5
 948                                 NON_GNU_CPP=/lib/cpp
 949                                 # Prevent -belf from being passed to $CPP.
 950                                 # /lib/cpp does not accept it.
 951                                 OVERRIDE_CPPFLAGS=" "
 952                                 ;;
 953       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 954       *-386bsd* )               opsys=386bsd ;;
 955       *-freebsd* )              opsys=freebsd ;;
 956       *-nextstep* )             opsys=nextstep ;;
 957       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 958     esac
 959   ;;
 960
 961   ## m68k Linux-based GNU system
 962   m68k-*-linux-gnu* )
 963     machine=m68k opsys=gnu-linux
 964   ;;
 965
 966   ## Mips Linux-based GNU system
 967   mips-*-linux-gnu* )
 968     machine=mips opsys=gnu-linux
 969   ;;
 970
 971   ## UXP/DS
 972   sparc-fujitsu-sysv4* )
 973     machine=sparc opsys=uxpds
 974     NON_GNU_CPP=/usr/ccs/lib/cpp
 975     RANLIB="ar -ts"
 976   ;;
 977
 978   * )
 979     unported=yes
 980   ;;
 981 esac
 982
 983 ### If the code above didn't choose an operating system, just choose
 984 ### an operating system based on the configuration name.  You really
 985 ### only want to use this when you have no idea what the right
 986 ### operating system is; if you know what operating systems a machine
 987 ### runs, it's cleaner to make it explicit in the case statement
 988 ### above.
 989 if test x"${opsys}" = x; then
 990   case "${canonical}" in
 991     *-gnu* )                            opsys=gnu ;;
 992     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 993     *-bsd4.2 )                          opsys=bsd4-2 ;;
 994     *-bsd4.3 )                          opsys=bsd4-3 ;;
 995     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 996     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 997     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 998     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 999     *-sysv4.2uw* )                      opsys=unixware ;;
1000     *-sysv4.1* | *-sysvr4.1* )
1001         NON_GNU_CPP=/usr/lib/cpp
1002         opsys=usg5-4 ;;
1003     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1004         if [ x$NON_GNU_CPP = x ]; then
1005           if [ -f /usr/ccs/lib/cpp ]; then
1006             NON_GNU_CPP=/usr/ccs/lib/cpp
1007           else
1008             NON_GNU_CPP=/lib/cpp
1009           fi
1010         fi
1011         opsys=usg5-4-2 ;;
1012     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1013     * )
1014       unported=yes
1015     ;;
1016   esac
1017 fi
1018
1019 if test "x$RANLIB" = x; then
1020   RANLIB=ranlib
1021 fi
1022
1023 changequote([, ])dnl
1024
1025 if test $unported = yes; then
1026   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1027 Check \`etc/MACHINES' for recognized configuration names.])
1028 fi
1029
1030 machfile="m/${machine}.h"
1031 opsysfile="s/${opsys}.h"
1032
1033
1034 #### Choose a compiler.
1035 test -n "$CC" && cc_specified=yes
1036
1037 # Save the value of CFLAGS that the user specified.
1038 SPECIFIED_CFLAGS="$CFLAGS"
1039
1040 case ${with_gcc} in
1041   "yes" ) CC="gcc" GCC=yes ;;
1042   "no"  ) : ${CC=cc} ;;
1043   * ) AC_PROG_CC
1044 esac
1045
1046 # On Suns, sometimes $CPP names a directory.
1047 if test -n "$CPP" && test -d "$CPP"; then
1048   CPP=
1049 fi
1050
1051 #### Some systems specify a CPP to use unless we are using GCC.
1052 #### Now that we know whether we are using GCC, we can decide whether
1053 #### to use that one.
1054 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1055 then
1056   CPP="$NON_GNU_CPP"
1057 fi
1058
1059 #### Some systems specify a CC to use unless we are using GCC.
1060 #### Now that we know whether we are using GCC, we can decide whether
1061 #### to use that one.
1062 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1063   test x$cc_specified != xyes
1064 then
1065   CC="$NON_GNU_CC"
1066 fi
1067
1068 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1069 then
1070   CC="$CC $GCC_TEST_OPTIONS"
1071 fi
1072
1073 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1074 then
1075   CC="$CC $NON_GCC_TEST_OPTIONS"
1076 fi
1077
1078 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1079 then
1080   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1081 fi
1082
1083 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1084 then
1085   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1086 fi
1087
1088 #### Some other nice autoconf tests.  If you add a test here which
1089 #### should make an entry in src/config.h, don't forget to add an
1090 #### #undef clause to src/config.h.in for autoconf to modify.
1091
1092 dnl checks for programs
1093 AC_PROG_LN_S
1094 AC_PROG_CPP
1095 AC_PROG_INSTALL
1096 AC_PROG_YACC
1097
1098 dnl checks for Unix variants
1099 AC_AIX
1100
1101 dnl checks for header files
1102 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)
1103 AC_HEADER_STDC
1104 AC_HEADER_TIME
1105 AC_DECL_SYS_SIGLIST
1106
1107 dnl Some systems have utime.h but don't declare the struct anyplace.
1108 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1109 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1110 #include <sys/time.h>
1111 #include <time.h>
1112 #else
1113 #ifdef HAVE_SYS_TIME_H
1114 #include <sys/time.h>
1115 #else
1116 #include <time.h>
1117 #endif
1118 #endif
1119 #ifdef HAVE_UTIME_H
1120 #include <utime.h>
1121 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1122   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1123 if test $emacs_cv_struct_utimbuf = yes; then
1124   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1125 fi
1126
1127 dnl checks for typedefs
1128 AC_TYPE_SIGNAL
1129
1130 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1131 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1132 #include <sys/time.h>
1133 #include <time.h>
1134 #else
1135 #ifdef HAVE_SYS_TIME_H
1136 #include <sys/time.h>
1137 #else
1138 #include <time.h>
1139 #endif
1140 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1141   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1142 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1143 if test $emacs_cv_struct_timeval = yes; then
1144   AC_DEFINE(HAVE_TIMEVAL)
1145 fi
1146
1147 dnl checks for structure members
1148 AC_STRUCT_TM
1149 AC_STRUCT_TIMEZONE
1150
1151 dnl checks for compiler characteristics
1152 AC_C_CONST
1153
1154 dnl check for Make feature
1155 AC_PROG_MAKE_SET
1156
1157 dnl checks for operating system services
1158 AC_SYS_LONG_FILE_NAMES
1159
1160 #### Choose a window system.
1161
1162 AC_PATH_X
1163 if test "$no_x" = yes; then
1164   window_system=none
1165 else
1166   window_system=x11
1167 fi
1168
1169 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1170   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1171   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1172   x_default_search_path=""
1173   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1174     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1175 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1176 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1177 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1178     if test x"${x_default_search_path}" = x; then
1179       x_default_search_path=${x_search_path}
1180     else
1181       x_default_search_path="${x_search_path}:${x_default_search_path}"
1182     fi
1183   done
1184 fi
1185 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1186   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1187 fi
1188
1189 if test x"${x_includes}" = x; then
1190   bitmapdir=/usr/include/X11/bitmaps
1191 else
1192   # accumulate include directories that have X11 bitmap subdirectories
1193   bmd_acc="dummyval"
1194   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1195     if test -d "${bmd}/X11/bitmaps"; then
1196       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1197     elif test -d "${bmd}/bitmaps"; then
1198       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1199     fi
1200   done
1201   if test ${bmd_acc} != "dummyval"; then
1202     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1203   fi
1204 fi
1205
1206 case "${window_system}" in
1207   x11 )
1208     HAVE_X_WINDOWS=yes
1209     HAVE_X11=yes
1210     case "${with_x_toolkit}" in
1211       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1212       motif ) USE_X_TOOLKIT=MOTIF ;;
1213 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1214       no ) USE_X_TOOLKIT=none ;;
1215 dnl If user did not say whether to use a toolkit,
1216 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1217       * ) USE_X_TOOLKIT=maybe ;;
1218     esac
1219   ;;
1220   none )
1221     HAVE_X_WINDOWS=no
1222     HAVE_X11=no
1223     USE_X_TOOLKIT=none
1224   ;;
1225 esac
1226
1227 ### If we're using X11, we should use the X menu package.
1228 HAVE_MENUS=no
1229 case ${HAVE_X11} in
1230   yes ) HAVE_MENUS=yes ;;
1231 esac
1232
1233 if test "${opsys}" = "hpux9"; then
1234   case "${x_libraries}" in
1235     *X11R4* )
1236       opsysfile="s/hpux9-x11r4.h"
1237       ;;
1238   esac
1239 fi
1240
1241 if test "${opsys}" = "hpux9shr"; then
1242   case "${x_libraries}" in
1243     *X11R4* )
1244       opsysfile="s/hpux9shxr4.h"
1245       ;;
1246   esac
1247 fi
1248
1249 #### Extract some information from the operating system and machine files.
1250
1251 AC_CHECKING([the machine- and system-dependent files to find out
1252  - which libraries the lib-src programs will want, and
1253  - whether the GNU malloc routines are usable])
1254
1255 ### First figure out CFLAGS (which we use for running the compiler here)
1256 ### and REAL_CFLAGS (which we use for real compilation).
1257 ### The two are the same except on a few systems, where they are made
1258 ### different to work around various lossages.  For example,
1259 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1260 ### as implying static linking.
1261
1262 ### If the CFLAGS env var is specified, we use that value
1263 ### instead of the default.
1264
1265 ### It's not important that this name contain the PID; you can't run
1266 ### two configures in the same directory and have anything work
1267 ### anyway.
1268 tempcname="conftest.c"
1269
1270 echo '
1271 #include "'${srcdir}'/src/'${opsysfile}'"
1272 #include "'${srcdir}'/src/'${machfile}'"
1273 #ifndef LIBS_MACHINE
1274 #define LIBS_MACHINE
1275 #endif
1276 #ifndef LIBS_SYSTEM
1277 #define LIBS_SYSTEM
1278 #endif
1279 #ifndef C_SWITCH_SYSTEM
1280 #define C_SWITCH_SYSTEM
1281 #endif
1282 #ifndef C_SWITCH_MACHINE
1283 #define C_SWITCH_MACHINE
1284 #endif
1285 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1286 configure___ c_switch_system=C_SWITCH_SYSTEM
1287 configure___ c_switch_machine=C_SWITCH_MACHINE
1288
1289 #ifndef LIB_X11_LIB
1290 #define LIB_X11_LIB -lX11
1291 #endif
1292
1293 #ifndef LIBX11_MACHINE
1294 #define LIBX11_MACHINE
1295 #endif
1296
1297 #ifndef LIBX11_SYSTEM
1298 #define LIBX11_SYSTEM
1299 #endif
1300 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1301
1302 #ifdef UNEXEC
1303 configure___ unexec=UNEXEC
1304 #else
1305 configure___ unexec=unexec.o
1306 #endif
1307
1308 #ifdef SYSTEM_MALLOC
1309 configure___ system_malloc=yes
1310 #else
1311 configure___ system_malloc=no
1312 #endif
1313
1314 #ifndef C_DEBUG_SWITCH
1315 #define C_DEBUG_SWITCH -g
1316 #endif
1317
1318 #ifndef C_OPTIMIZE_SWITCH
1319 #define C_OPTIMIZE_SWITCH -O
1320 #endif
1321
1322 #ifndef LD_SWITCH_MACHINE
1323 #define LD_SWITCH_MACHINE
1324 #endif
1325
1326 #ifndef LD_SWITCH_SYSTEM
1327 #define LD_SWITCH_SYSTEM
1328 #endif
1329
1330 #ifndef LD_SWITCH_X_SITE_AUX
1331 #define LD_SWITCH_X_SITE_AUX
1332 #endif
1333
1334 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1335 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1336
1337 #ifdef THIS_IS_CONFIGURE
1338
1339 /* Get the CFLAGS for tests in configure.  */
1340 #ifdef __GNUC__
1341 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1342 #else
1343 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1344 #endif
1345
1346 #else /* not THIS_IS_CONFIGURE */
1347
1348 /* Get the CFLAGS for real compilation.  */
1349 #ifdef __GNUC__
1350 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1351 #else
1352 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1353 #endif
1354
1355 #endif /* not THIS_IS_CONFIGURE */
1356 ' > ${tempcname}
1357
1358 # The value of CPP is a quoted variable reference, so we need to do this
1359 # to get its actual value...
1360 CPP=`eval "echo $CPP"`
1361 changequote(, )dnl
1362 eval `${CPP} -Isrc ${tempcname} \
1363        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1364 if test "x$SPECIFIED_CFLAGS" = x; then
1365   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1366          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1367 else
1368   REAL_CFLAGS="$CFLAGS"
1369 fi
1370 changequote([, ])dnl
1371 rm ${tempcname}
1372
1373 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1374
1375 ### Compute the unexec source name from the object name.
1376 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1377
1378 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1379 # Assume not, until told otherwise.
1380 GNU_MALLOC=yes
1381 doug_lea_malloc=yes
1382 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1383 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1384 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1385                emacs_cv_var___after_morecore_hook,
1386 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1387   emacs_cv_var___after_morecore_hook=yes,
1388   emacs_cv_var___after_morecore_hook=no))
1389 if test $emacs_cv_var___after_morecore_hook = no; then
1390   doug_lea_malloc=no
1391 fi
1392 if test "${system_malloc}" = "yes"; then
1393   GNU_MALLOC=no
1394   GNU_MALLOC_reason="
1395     (The GNU allocators don't work with this system configuration.)"
1396 fi
1397 if test "$doug_lea_malloc" = "yes" ; then
1398   if test "$GNU_MALLOC" = yes ; then
1399     GNU_MALLOC_reason="
1400       (Using Doug Lea's new malloc from the GNU C Library.)"
1401   fi
1402   AC_DEFINE(DOUG_LEA_MALLOC)
1403 fi
1404
1405 if test x"${REL_ALLOC}" = x; then
1406   REL_ALLOC=${GNU_MALLOC}
1407 fi
1408
1409 LISP_FLOAT_TYPE=yes
1410
1411
1412 #### Add the libraries to LIBS and check for some functions.
1413
1414 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1415   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1416 else
1417   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1418 fi
1419
1420 LIBS="$libsrc_libs $LIBS"
1421
1422 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1423 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1424 AC_CHECK_LIB(dnet, dnet_ntoa)
1425 dnl This causes -lresolv to get used in subsequent tests,
1426 dnl which causes failures on some systems such as HPUX 9.
1427 dnl AC_CHECK_LIB(resolv, gethostbyname)
1428
1429 dnl FIXME replace main with a function we actually want from this library.
1430 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1431
1432 AC_CHECK_LIB(pthreads, cma_open)
1433
1434 AC_MSG_CHECKING(for XFree86)
1435 if test -d /usr/X386/include; then
1436   HAVE_XFREE386=yes
1437   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1438 else
1439   HAVE_XFREE386=no
1440 fi
1441 AC_MSG_RESULT($HAVE_XFREE386)
1442
1443 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1444 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1445
1446 if test "${HAVE_X11}" = "yes"; then
1447   DEFS="$C_SWITCH_X_SITE $DEFS"
1448   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1449   LIBS="$LIBX $LIBS"
1450   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1451
1452   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1453   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1454   # but it's more convenient here to set LD_RUN_PATH
1455   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1456   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1457     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1458     export LD_RUN_PATH
1459   fi
1460
1461   if test "${opsys}" = "gnu-linux"; then
1462     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1463     AC_TRY_LINK([],
1464      [XOpenDisplay ("foo");],
1465      [xlinux_first_failure=no],
1466      [xlinux_first_failure=yes])
1467     if test "${xlinux_first_failure}" = "yes"; then
1468       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1469       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1470       OLD_CPPFLAGS="$CPPFLAGS"
1471       OLD_LIBS="$LIBS"
1472       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1473       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1474       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1475       LIBS="$LIBS -b i486-linuxaout"
1476       AC_TRY_LINK([],
1477        [XOpenDisplay ("foo");],
1478        [xlinux_second_failure=no],
1479        [xlinux_second_failure=yes])
1480       if test "${xlinux_second_failure}" = "yes"; then
1481         # If we get the same failure with -b, there is no use adding -b.
1482         # So take it out.  This plays safe.
1483         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1484         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1485         CPPFLAGS="$OLD_CPPFLAGS"
1486         LIBS="$OLD_LIBS"
1487         AC_MSG_RESULT(no)
1488       else
1489         AC_MSG_RESULT(yes)
1490       fi
1491     else
1492       AC_MSG_RESULT(no)
1493     fi
1494   fi
1495
1496   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1497 XScreenNumberOfScreen XSetWMProtocols)
1498 fi
1499
1500 if test "${window_system}" = "x11"; then
1501   AC_MSG_CHECKING(X11 version 6)
1502   AC_CACHE_VAL(emacs_cv_x11_version_6,
1503   AC_TRY_LINK([#include <X11/Xlib.h>],
1504 [#if XlibSpecificationRelease < 6
1505 fail;
1506 #endif
1507 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1508   if test $emacs_cv_x11_version_6 = yes; then
1509     AC_MSG_RESULT(6 or newer)
1510     AC_DEFINE(HAVE_X11R6)
1511   else
1512     AC_MSG_RESULT(before 6)
1513   fi
1514 fi
1515
1516 if test "${window_system}" = "x11"; then
1517   AC_MSG_CHECKING(X11 version 5)
1518   AC_CACHE_VAL(emacs_cv_x11_version_5,
1519   AC_TRY_LINK([#include <X11/Xlib.h>],
1520 [#if XlibSpecificationRelease < 5
1521 fail;
1522 #endif
1523 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1524   if test $emacs_cv_x11_version_5 = yes; then
1525     AC_MSG_RESULT(5 or newer)
1526     HAVE_X11R5=yes
1527     AC_DEFINE(HAVE_X11R5)
1528   else
1529     HAVE_X11R5=no
1530     AC_MSG_RESULT(before 5)
1531   fi
1532 fi
1533
1534 dnl Do not put whitespace before the #include statements below.
1535 dnl Older compilers (eg sunos4 cc) choke on it.
1536 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1537   if test x"${HAVE_X11R5}" = xyes; then
1538     AC_MSG_CHECKING(X11 version 5 with Xaw)
1539     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1540     AC_TRY_LINK([
1541 #include <X11/Intrinsic.h>
1542 #include <X11/Xaw/Simple.h>],
1543       [],
1544       emacs_cv_x11_version_5_with_xaw=yes,
1545       emacs_cv_x11_version_5_with_xaw=no))
1546     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1547       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1548       USE_X_TOOLKIT=LUCID
1549     else
1550       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1551       USE_X_TOOLKIT=none
1552     fi
1553   else
1554     USE_X_TOOLKIT=none
1555   fi
1556 fi
1557
1558 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1559
1560 if test "${USE_X_TOOLKIT}" != "none"; then
1561   AC_MSG_CHECKING(X11 toolkit version)
1562   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1563   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1564 [#if XtSpecificationRelease < 6
1565 fail;
1566 #endif
1567 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1568   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1569   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1570     AC_MSG_RESULT(6 or newer)
1571     AC_DEFINE(HAVE_X11XTR6)
1572   else
1573     AC_MSG_RESULT(before 6)
1574   fi
1575
1576 dnl If using toolkit, check whether libXmu.a exists.
1577 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1578   OLDLIBS="$LIBS"
1579   if test x$HAVE_X11XTR6 = xyes; then
1580     LIBS="-lXt -lSM -lICE $LIBS"
1581   else
1582     LIBS="-lXt $LIBS"
1583   fi
1584   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1585   LIBS="$OLDLIBS"
1586 fi
1587
1588 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1589   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1590   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1591     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1592 int x = 5;
1593 #else
1594 Motif version prior to 2.1.
1595 #endif],
1596     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1597   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1598   if test $emacs_cv_motif_version_2_1 = yes; then
1599     AC_DEFINE(HAVE_MOTIF_2_1)
1600   fi
1601 fi
1602
1603 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1604 AC_CACHE_CHECK(whether netdb declares h_errno,
1605                emacs_cv_netdb_declares_h_errno,
1606 AC_TRY_LINK([#include <netdb.h>],
1607   [return h_errno;],
1608   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1609 if test $emacs_cv_netdb_declares_h_errno = yes; then
1610   AC_DEFINE(HAVE_H_ERRNO)
1611 fi
1612
1613 AC_FUNC_ALLOCA
1614
1615 # fmod, logb, and frexp are found in -lm on most systems.
1616 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1617 AC_CHECK_LIB(m, sqrt)
1618
1619 # Check for mail-locking functions in a "mail" library
1620 AC_CHECK_LIB(mail, maillock,
1621              AC_DEFINE(HAVE_LIBMAIL)
1622              AC_CHECK_FUNCS(touchlock)
1623              AC_CHECK_HEADERS(maillock.h))
1624
1625 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1626 rename closedir mkdir rmdir sysinfo \
1627 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1628 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1629 utimes setrlimit setpgid getcwd shutdown strftime)
1630
1631 # Check this now, so that we will NOT find the above functions in ncurses.
1632 # That is because we have not set up to link ncurses in lib-src.
1633 # It's better to believe a function is not available
1634 # than to expect to find it in ncurses.
1635 AC_CHECK_LIB(ncurses, tparm)
1636
1637 # These tell us which Kerberos-related libraries to use.
1638 if test "${with_kerberos+set}" = set; then
1639   AC_CHECK_LIB(com_err, com_err)
1640   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1641   AC_CHECK_LIB(krb5, krb5_init_context)
1642   if test "${with_kerberos5+set}" = set; then
1643     if test "${with_gssapi+set}" = set; then
1644       AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context)
1645     fi
1646   else
1647     AC_CHECK_LIB(des, des_cbc_encrypt,,
1648                  AC_CHECK_LIB(des425, des_cbc_encrypt))
1649     AC_CHECK_LIB(krb, krb_get_cred,,
1650                  AC_CHECK_LIB(krb4, krb_get_cred))
1651   fi
1652
1653   if test "${with_kerberos5+set}" = set; then
1654     AC_CHECK_HEADERS(krb5.h)
1655   else
1656     AC_CHECK_HEADERS(des.h,,
1657                      AC_CHECK_HEADERS(kerberosIV/des.h,,
1658                                       AC_CHECK_HEADERS(kerberos/des.h)))
1659     AC_CHECK_HEADERS(krb.h,,
1660                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
1661                                       AC_CHECK_HEADERS(kerberos/krb.h)))
1662   fi
1663   AC_CHECK_HEADERS(com_err.h)
1664 fi
1665
1666 if test "${with_gssapi+set}" = set; then
1667   AC_CHECK_LIB(gssapi, gss_init_sec_context)
1668   AC_CHECK_HEADERS(gssapi.h)
1669 fi
1670
1671 # Solaris requires -lintl if you want strerror (which calls dgettext)
1672 # to return localized messages.
1673 AC_CHECK_LIB(intl, dgettext)
1674
1675 AC_MSG_CHECKING(whether localtime caches TZ)
1676 AC_CACHE_VAL(emacs_cv_localtime_cache,
1677 [if test x$ac_cv_func_tzset = xyes; then
1678 AC_TRY_RUN([#include <time.h>
1679 #if STDC_HEADERS
1680 # include <stdlib.h>
1681 #endif
1682 extern char **environ;
1683 unset_TZ ()
1684 {
1685   char **from, **to;
1686   for (to = from = environ; (*to = *from); from++)
1687     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1688       to++;
1689 }
1690 char TZ_GMT0[] = "TZ=GMT0";
1691 char TZ_PST8[] = "TZ=PST8";
1692 main()
1693 {
1694   time_t now = time ((time_t *) 0);
1695   int hour_GMT0, hour_unset;
1696   if (putenv (TZ_GMT0) != 0)
1697     exit (1);
1698   hour_GMT0 = localtime (&now)->tm_hour;
1699   unset_TZ ();
1700   hour_unset = localtime (&now)->tm_hour;
1701   if (putenv (TZ_PST8) != 0)
1702     exit (1);
1703   if (localtime (&now)->tm_hour == hour_GMT0)
1704     exit (1);
1705   unset_TZ ();
1706   if (localtime (&now)->tm_hour != hour_unset)
1707     exit (1);
1708   exit (0);
1709 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1710 [# If we have tzset, assume the worst when cross-compiling.
1711 emacs_cv_localtime_cache=yes])
1712 else
1713         # If we lack tzset, report that localtime does not cache TZ,
1714         # since we can't invalidate the cache if we don't have tzset.
1715         emacs_cv_localtime_cache=no
1716 fi])dnl
1717 AC_MSG_RESULT($emacs_cv_localtime_cache)
1718 if test $emacs_cv_localtime_cache = yes; then
1719   AC_DEFINE(LOCALTIME_CACHE)
1720 fi
1721
1722 if test "x$HAVE_TIMEVAL" = xyes; then
1723 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1724                emacs_cv_gettimeofday_two_arguments,
1725 AC_TRY_LINK([
1726 #ifdef TIME_WITH_SYS_TIME
1727 #include <sys/time.h>
1728 #include <time.h>
1729 #else
1730 #ifdef HAVE_SYS_TIME_H
1731 #include <sys/time.h>
1732 #else
1733 #include <time.h>
1734 #endif
1735 #endif
1736   ],
1737   [
1738   struct timeval time;
1739   struct timezone dummy;
1740   gettimeofday (&time, &dummy);
1741 ],
1742   emacs_cv_gettimeofday_two_arguments=yes,
1743   emacs_cv_gettimeofday_two_arguments=no))
1744   if test $emacs_cv_gettimeofday_two_arguments = no; then
1745     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1746   fi
1747 fi
1748
1749 ok_so_far=yes
1750 AC_CHECK_FUNC(socket, , ok_so_far=no)
1751 if test $ok_so_far = yes; then
1752   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1753 fi
1754 if test $ok_so_far = yes; then
1755   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1756 fi
1757 if test $ok_so_far = yes; then
1758   AC_DEFINE(HAVE_INET_SOCKETS)
1759 fi
1760
1761 if test -f /usr/lpp/X11/bin/smt.exp; then
1762   AC_DEFINE(HAVE_AIX_SMT_EXP)
1763 fi
1764
1765 # Set up the CFLAGS for real compilation, so we can substitute it.
1766 CFLAGS="$REAL_CFLAGS"
1767
1768 changequote(, )dnl
1769 #### Find out which version of Emacs this is.
1770 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1771          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1772 changequote([, ])dnl
1773 if test x"${version}" = x; then
1774   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1775 fi
1776
1777 ### Specify what sort of things we'll be editing into Makefile and config.h.
1778 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1779 AC_SUBST(version)
1780 AC_SUBST(configuration)
1781 AC_SUBST(canonical)
1782 AC_SUBST(srcdir)
1783 AC_SUBST(prefix)
1784 AC_SUBST(exec_prefix)
1785 AC_SUBST(bindir)
1786 AC_SUBST(datadir)
1787 AC_SUBST(sharedstatedir)
1788 AC_SUBST(libexecdir)
1789 AC_SUBST(mandir)
1790 AC_SUBST(infodir)
1791 AC_SUBST(lispdir)
1792 AC_SUBST(locallisppath)
1793 AC_SUBST(lisppath)
1794 AC_SUBST(x_default_search_path)
1795 AC_SUBST(etcdir)
1796 AC_SUBST(archlibdir)
1797 AC_SUBST(docdir)
1798 AC_SUBST(bitmapdir)
1799 AC_SUBST(c_switch_system)
1800 AC_SUBST(c_switch_machine)
1801 AC_SUBST(LD_SWITCH_X_SITE)
1802 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1803 AC_SUBST(C_SWITCH_X_SITE)
1804 AC_SUBST(CFLAGS)
1805 AC_SUBST(X_TOOLKIT_TYPE)
1806 AC_SUBST(machfile)
1807 AC_SUBST(opsysfile)
1808 AC_SUBST(RANLIB)
1809
1810 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1811 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1812 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1813 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1814 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1815 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1816 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1817 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1818
1819 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1820   AC_DEFINE(HAVE_X_WINDOWS)
1821 fi
1822 if test "${USE_X_TOOLKIT}" != "none" ; then
1823   AC_DEFINE(USE_X_TOOLKIT)
1824 fi
1825 if test "${HAVE_X11}" = "yes" ; then
1826   AC_DEFINE(HAVE_X11)
1827 fi
1828 if test "${HAVE_XFREE386}" = "yes" ; then
1829   AC_DEFINE(HAVE_XFREE386)
1830 fi
1831 if test "${HAVE_MENUS}" = "yes" ; then
1832   AC_DEFINE(HAVE_MENUS)
1833 fi
1834 if test "${GNU_MALLOC}" = "yes" ; then
1835   AC_DEFINE(GNU_MALLOC)
1836 fi
1837 if test "${REL_ALLOC}" = "yes" ; then
1838   AC_DEFINE(REL_ALLOC)
1839 fi
1840 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1841   AC_DEFINE(LISP_FLOAT_TYPE)
1842 fi
1843
1844 #### Report on what we decided to do.
1845 echo "
1846 Configured for \`${canonical}'.
1847
1848   Where should the build process find the source code?    ${srcdir}
1849   What operating system and machine description files should Emacs use?
1850         \`${opsysfile}' and \`${machfile}'
1851   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1852   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1853   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1854   What window system should Emacs use?                    ${window_system}
1855   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1856
1857 if test -n "${x_includes}"; then
1858 echo "  Where do we find X Windows header files?                ${x_includes}"
1859 else
1860 echo "  Where do we find X Windows header files?                Standard dirs"
1861 fi
1862 if test -n "${x_libraries}"; then
1863 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1864 else
1865 echo "  Where do we find X Windows libraries?                   Standard dirs"
1866 fi
1867
1868 echo
1869
1870 # Remove any trailing slashes in these variables.
1871 changequote(, )dnl
1872 test "${prefix}" != NONE &&
1873   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1874 test "${exec_prefix}" != NONE &&
1875   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1876 changequote([, ])dnl
1877
1878 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1879         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
1880         leim/Makefile, [
1881
1882 ### Make the necessary directories, if they don't exist.
1883 for dir in etc lisp ; do
1884   test -d ${dir} || mkdir ${dir}
1885 done
1886
1887 # Build src/Makefile from ${srcdir}/src/Makefile.c
1888 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1889 # This must be done after src/config.h is built, since we rely on that file.
1890
1891 changequote(, )dnl The horror, the horror.
1892 # Now get this: Some word that is part of the ${srcdir} directory name
1893 # or the ${configuration} value might, just might, happen to be an
1894 # identifier like `sun4' or `i386' or something, and be predefined by
1895 # the C preprocessor to some helpful value like 1, or maybe the empty
1896 # string.  Needless to say consequent macro substitutions are less
1897 # than conducive to the makefile finding the correct directory.
1898 undefs="`echo $top_srcdir $configuration $canonical |
1899 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1900     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1901 `"
1902 changequote([, ])dnl
1903
1904 echo creating src/paths.h
1905 make paths-force
1906
1907 echo creating lib-src/Makefile
1908 ( cd lib-src
1909   rm -f junk.c junk1.c junk2.c
1910   sed -e '/start of cpp stuff/q' \
1911       < Makefile.c > junk1.c
1912   sed -e '1,/start of cpp stuff/d'\
1913       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1914       < Makefile.c > junk.c
1915   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1916       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1917   cat junk1.c junk2.c > Makefile.new
1918   rm -f junk.c junk1.c junk2.c
1919   chmod 444 Makefile.new
1920   mv -f Makefile.new Makefile
1921 )
1922
1923 echo creating src/Makefile
1924 ( cd src
1925   rm -f junk.c junk1.c junk2.c
1926   sed -e '/start of cpp stuff/q' \
1927       < Makefile.c > junk1.c
1928   sed -e '1,/start of cpp stuff/d'\
1929       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1930       < Makefile.c > junk.c
1931   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1932       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1933   cat junk1.c junk2.c > Makefile.new
1934   rm -f junk.c junk1.c junk2.c
1935   chmod 444 Makefile.new
1936   mv -f Makefile.new Makefile
1937 )
1938
1939 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1940   echo creating src/.gdbinit
1941   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1942 fi
1943
1944 # This is how we know whether to re-run configure in certain cases.
1945 touch src/config.stamp
1946
1947 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])