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 dnl This should be the last --with option, because --with-x is
  58 dnl added later on when we find the path of X, and it's best to
  59 dnl keep them together visually.
  60 AC_ARG_WITH(x-toolkit,
  61 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  62 [         case "${withval}" in
  63             y | ye | yes )      val=athena ;;
  64             n | no )            val=no  ;;
  65             l | lu | luc | luci | lucid )       val=lucid ;;
  66             a | at | ath | athe | athen | athena )      val=athena ;;
  67             m | mo | mot | moti | motif )       val=motif ;;
  68 dnl These don't currently work.
  69 dnl         o | op | ope | open | open- | open-l | open-lo \
  70 dnl             | open-loo | open-look )        val=open-look ;;
  71             * )
  72 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  73 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  74 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  75 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  76 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  77             ;;
  78           esac
  79           with_x_toolkit=$val
  80 ])
  81
  82 #### Make srcdir absolute, if it isn't already.  It's important to
  83 #### avoid running the path through pwd unnecessary, since pwd can
  84 #### give you automounter prefixes, which can go away.  We do all this
  85 #### so Emacs can find its files when run uninstalled.
  86 case "${srcdir}" in
  87   /* ) ;;
  88   . )
  89     ## We may be able to use the $PWD environment variable to make this
  90     ## absolute.  But sometimes PWD is inaccurate.
  91     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  92     unset CDPATH
  93     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  94     then
  95       srcdir="$PWD"
  96     else
  97       srcdir="`(cd ${srcdir}; pwd)`"
  98     fi
  99   ;;
 100   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 101 esac
 102
 103 #### Check if the source directory already has a configured system in it.
 104 if test `pwd` != `(cd ${srcdir} && pwd)` \
 105    && test -f "${srcdir}/src/config.h" ; then
 106   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 107    as a build directory right now; it has been configured in its own
 108    right.  To configure in another directory as well, you MUST
 109    use GNU make.  If you do not have GNU make, then you must
 110    now do \`make distclean' in ${srcdir},
 111    and then run $0 again.])
 112
 113 changequote(, )dnl
 114   extrasub='/^VPATH[     ]*=/c\
 115 changequote([, ])dnl
 116 vpath %.c $(srcdir)\
 117 vpath %.h $(srcdir)\
 118 vpath %.y $(srcdir)\
 119 vpath %.l $(srcdir)\
 120 vpath %.s $(srcdir)\
 121 vpath %.in $(srcdir)\
 122 vpath %.texi $(srcdir)'
 123 fi
 124
 125 #### Given the configuration name, set machfile and opsysfile to the
 126 #### names of the m/*.h and s/*.h files we should use.
 127
 128 ### Canonicalize the configuration name.
 129
 130 AC_CANONICAL_HOST
 131 canonical=$host
 132 configuration=$host_alias
 133
 134 changequote(, )dnl
 135
 136 ### If you add support for a new configuration, add code to this
 137 ### switch statement to recognize your configuration name and select
 138 ### the appropriate operating system and machine description files.
 139
 140 ### You would hope that you could choose an m/*.h file pretty much
 141 ### based on the machine portion of the configuration name, and an s-
 142 ### file based on the operating system portion.  However, it turns out
 143 ### that each m/*.h file is pretty manufacturer-specific - for
 144 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 145 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 146 ### machines.  So we basically have to have a special case for each
 147 ### configuration name.
 148 ###
 149 ### As far as handling version numbers on operating systems is
 150 ### concerned, make sure things will fail in a fixable way.  If
 151 ### /etc/MACHINES doesn't say anything about version numbers, be
 152 ### prepared to handle anything reasonably.  If version numbers
 153 ### matter, be sure /etc/MACHINES says something about it.
 154 ###
 155 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 156 ### "System V Release 4"; he writes, "The old convention encouraged
 157 ### confusion between `system' and `release' levels'."
 158
 159 machine='' opsys='' unported=no
 160 case "${canonical}" in
 161
 162   ## NetBSD ports
 163   *-*-netbsd* )
 164     opsys=netbsd
 165     case "${canonical}" in
 166       alpha*-*-netbsd*) machine=alpha ;;
 167       i[3456]86-*-netbsd*) machine=intel386 ;;
 168       m68k-*-netbsd*)
 169                         # This is somewhat bogus.
 170                         machine=hp9000s300 ;;
 171       powerpc-apple-netbsd*) machine=macppc ;;
 172       mips-*-netbsd*)   machine=pmax ;;
 173       ns32k-*-netbsd*)  machine=ns32000 ;;
 174       sparc-*-netbsd*)  machine=sparc ;;
 175       vax-*-netbsd*)    machine=vax ;;
 176     esac
 177   ;;
 178
 179   ## OpenBSD ports
 180   *-*-openbsd* )
 181     opsys=openbsd
 182     case "${canonical}" in
 183       alpha*-*-openbsd*)        machine=alpha ;;
 184       i386-*-openbsd*)  machine=intel386 ;;
 185       m68k-*-openbsd*)  machine=hp9000s300 ;;
 186       mipsel-*-openbsd*) machine=pmax ;;
 187       ns32k-*-openbsd*) machine=ns32000 ;;
 188       sparc-*-openbsd*) machine=sparc ;;
 189       vax-*-openbsd*)   machine=vax ;;
 190     esac
 191   ;;
 192
 193   ## Acorn RISCiX:
 194   arm-acorn-riscix1.1* )
 195     machine=acorn opsys=riscix1-1
 196   ;;
 197   arm-acorn-riscix1.2* | arm-acorn-riscix )
 198     ## This name is riscix12 instead of riscix1.2
 199     ## to avoid a file name conflict on MSDOS.
 200     machine=acorn opsys=riscix12
 201   ;;
 202
 203   ## BSDI ports
 204   *-*-bsdi* )
 205     opsys=bsdi
 206     case "${canonical}" in
 207       i[345]86-*-bsdi*) machine=intel386 ;;
 208       sparc-*-bsdi*)  machine=sparc ;;
 209       powerpc-*-bsdi*)  machine=powerpc ;;
 210     esac
 211     case "${canonical}" in
 212       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 213       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 214       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 215       *-*-bsdi3* )              opsys=bsdos3 ;;
 216       *-*-bsdi4* )              opsys=bsdos4 ;;
 217     esac
 218   ;;
 219
 220   ## Alliant machines
 221   ## Strictly speaking, we need the version of the alliant operating
 222   ## system to choose the right machine file, but currently the
 223   ## configuration name doesn't tell us enough to choose the right
 224   ## one; we need to give alliants their own operating system name to
 225   ## do this right.  When someone cares, they can help us.
 226   fx80-alliant-* )
 227     machine=alliant4 opsys=bsd4-2
 228   ;;
 229   i860-alliant-* )
 230     machine=alliant-2800 opsys=bsd4-3
 231   ;;
 232
 233   ## Alpha (DEC) machines.
 234   alpha*-dec-osf* )
 235     machine=alpha opsys=osf1
 236     # This is needed to find X11R6.1 libraries for certain tests.
 237     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 238     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 239   ;;
 240
 241   alpha*-*-linux-gnu* )
 242     machine=alpha opsys=gnu-linux
 243   ;;
 244
 245   ## Altos 3068
 246   m68*-altos-sysv* )
 247     machine=altos opsys=usg5-2
 248   ;;
 249
 250   ## Amdahl UTS
 251   580-amdahl-sysv* )
 252     machine=amdahl opsys=usg5-2-2
 253   ;;
 254
 255   ## Apollo, Domain/OS
 256   m68*-apollo-* )
 257     machine=apollo opsys=bsd4-3
 258   ;;
 259
 260   ## AT&T 3b2, 3b5, 3b15, 3b20
 261   we32k-att-sysv* )
 262     machine=att3b opsys=usg5-2-2
 263   ;;
 264
 265   ## AT&T 3b1 - The Mighty Unix PC!
 266   m68*-att-sysv* )
 267     machine=7300 opsys=usg5-2-2
 268   ;;
 269
 270   ## Bull dpx20
 271   rs6000-bull-bosx* )
 272     machine=ibmrs6000 opsys=aix3-2
 273   ;;
 274
 275   ## Bull dpx2
 276   m68*-bull-sysv3* )
 277     machine=dpx2 opsys=usg5-3
 278   ;;
 279
 280   ## Bull sps7
 281   m68*-bull-sysv2* )
 282     machine=sps7 opsys=usg5-2
 283   ;;
 284
 285   ## CCI 5/32, 6/32 -- see "Tahoe".
 286
 287   ## Celerity
 288   ## I don't know what configuration name to use for this; config.sub
 289   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 290   ## in touch with us!
 291   celerity-celerity-bsd* )
 292     machine=celerity opsys=bsd4-2
 293   ;;
 294
 295   ## Clipper
 296   ## What operating systems does this chip run that Emacs has been
 297   ## tested on?
 298   clipper-* )
 299     machine=clipper
 300     ## We'll use the catch-all code at the bottom to guess the
 301     ## operating system.
 302   ;;
 303
 304   ## Convex
 305   *-convex-bsd* | *-convex-convexos* )
 306     machine=convex opsys=bsd4-3
 307     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 308     NON_GNU_CPP="cc -E -P"
 309   ;;
 310
 311   ## Cubix QBx/386
 312   i[3456]86-cubix-sysv* )
 313     machine=intel386 opsys=usg5-3
 314   ;;
 315
 316   ## Cydra 5
 317   cydra*-cydrome-sysv* )
 318     machine=cydra5 opsys=usg5-3
 319   ;;
 320
 321   ## Data General AViiON Machines
 322   ## DG changed naming conventions with the release of 5.4.4.10, they
 323   ## dropped the initial 5.4 but left the intervening R.  Because of the
 324   ## R this shouldn't conflict with older versions of the OS (which I
 325   ## think were named like dgux4.*). In addition, DG new AViiONs series
 326   ## uses either Motorola M88k or Intel Pentium CPUs.
 327   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 328     machine=aviion opsys=dgux4
 329   ;;
 330   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 331     ## This name is dgux5-4-3 instead of dgux5-4r3
 332     ## to avoid a file name conflict on MSDOS.
 333     machine=aviion opsys=dgux5-4-3
 334   ;;
 335   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 336     machine=aviion opsys=dgux5-4r2
 337   ;;
 338   m88k-dg-dgux* )
 339     machine=aviion opsys=dgux
 340   ;;
 341
 342   ## Data General AViiON Intel (x86) Machines
 343   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 344   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 345   i[345]86-dg-dguxR4* )
 346     machine=aviion-intel opsys=dgux4
 347   ;;
 348
 349   ## DECstations
 350   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 351     machine=pmax opsys=bsd4-2
 352   ;;
 353   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 354     machine=pmax opsys=bsd4-3
 355   ;;
 356   mips-dec-ultrix* )
 357     machine=pmax opsys=ultrix4-3
 358   ;;
 359   mips-dec-osf* )
 360     machine=pmax opsys=osf1
 361   ;;
 362   mips-dec-mach_bsd4.3* )
 363     machine=pmax opsys=mach-bsd4-3
 364   ;;
 365
 366   ## Motorola Delta machines
 367   m68k-motorola-sysv* | m68000-motorola-sysv* )
 368     machine=delta opsys=usg5-3
 369     if test -z "`type gnucc | grep 'not found'`"
 370     then
 371       if test -s /etc/167config
 372       then CC="gnucc -m68040"
 373       else CC="gnucc -m68881"
 374       fi
 375     else
 376       if test -z "`type gcc | grep 'not found'`"
 377       then CC=gcc
 378       else CC=cc
 379       fi
 380     fi
 381   ;;
 382   m88k-motorola-sysv4* )
 383     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 384     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 385     # I hope there are not other 4.0 versions for this machine
 386     # which really need usg5-4 instead.
 387     machine=delta88k opsys=usg5-4-2
 388   ;;
 389   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 390     machine=delta88k opsys=usg5-3
 391   ;;
 392
 393   ## Dual machines
 394   m68*-dual-sysv* )
 395     machine=dual opsys=usg5-2
 396   ;;
 397   m68*-dual-uniplus* )
 398     machine=dual opsys=unipl5-2
 399   ;;
 400
 401   ## Elxsi 6400
 402   elxsi-elxsi-sysv* )
 403     machine=elxsi opsys=usg5-2
 404   ;;
 405
 406   ## Encore machines
 407   ns16k-encore-bsd* )
 408     machine=ns16000 opsys=umax
 409   ;;
 410
 411   ## The GEC 93 - apparently, this port isn't really finished yet.
 412
 413   ## Gould Power Node and NP1
 414   pn-gould-bsd4.2* )
 415     machine=gould opsys=bsd4-2
 416   ;;
 417   pn-gould-bsd4.3* )
 418     machine=gould opsys=bsd4-3
 419   ;;
 420   np1-gould-bsd* )
 421     machine=gould-np1 opsys=bsd4-3
 422   ;;
 423
 424   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 425   ## as far as Emacs is concerned).
 426   m88k-harris-cxux* )
 427     # Build needs to be different on 7.0 and later releases
 428     case "`uname -r`" in
 429        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 430        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 431     esac
 432     NON_GNU_CPP="/lib/cpp"
 433   ;;
 434   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 435   m68k-harris-cxux* )
 436     machine=nh3000 opsys=cxux
 437   ;;
 438   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 439   powerpc-harris-powerunix )
 440     machine=nh6000 opsys=powerunix
 441     NON_GNU_CPP="cc -Xo -E -P"
 442   ;;
 443   ## SR2001/SR2201 running HI-UX/MPP
 444   hppa1.1-hitachi-hiuxmpp* )
 445     machine=sr2k opsys=hiuxmpp
 446   ;;
 447   ## Honeywell XPS100
 448   xps*-honeywell-sysv* )
 449     machine=xps100 opsys=usg5-2
 450   ;;
 451
 452   ## HP 9000 series 200 or 300
 453   m68*-hp-bsd* )
 454     machine=hp9000s300 opsys=bsd4-3
 455   ;;
 456   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 457   m68*-hp-hpux* )
 458     case "`uname -r`" in
 459       ## Someone's system reports A.B8.05 for this.
 460       ## I wonder what other possibilities there are.
 461       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 462       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 463       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 464       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 465       *) machine=hp9000s300 opsys=hpux ;;
 466     esac
 467   ;;
 468
 469   ## HP 9000 series 700 and 800, running HP/UX
 470   hppa*-hp-hpux7* )
 471     machine=hp800 opsys=hpux
 472   ;;
 473   hppa*-hp-hpux8* )
 474     machine=hp800 opsys=hpux8
 475   ;;
 476   hppa*-hp-hpux9shr* )
 477     machine=hp800 opsys=hpux9shr
 478   ;;
 479   hppa*-hp-hpux9* )
 480     machine=hp800 opsys=hpux9
 481   ;;
 482   hppa*-hp-hpux1[0-9]* )
 483     machine=hp800 opsys=hpux10
 484   ;;
 485
 486   ## HP 9000 series 700 and 800, running HP/UX
 487   hppa*-hp-hpux* )
 488     ## Cross-compilation?  Nah!
 489     case "`uname -r`" in
 490       ## Someone's system reports A.B8.05 for this.
 491       ## I wonder what other possibilities there are.
 492       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 493       *.08.* ) machine=hp800 opsys=hpux8 ;;
 494       *.09.* ) machine=hp800 opsys=hpux9 ;;
 495       *) machine=hp800 opsys=hpux10 ;;
 496     esac
 497   ;;
 498   hppa*-*-nextstep* )
 499     machine=hp800 opsys=nextstep
 500   ;;
 501
 502   ## Orion machines
 503   orion-orion-bsd* )
 504     machine=orion opsys=bsd4-2
 505   ;;
 506   clipper-orion-bsd* )
 507     machine=orion105 opsys=bsd4-2
 508   ;;
 509
 510   ## IBM machines
 511   i[3456]86-ibm-aix1.1* )
 512     machine=ibmps2-aix opsys=usg5-2-2
 513   ;;
 514   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 515     machine=ibmps2-aix opsys=usg5-3
 516   ;;
 517   i370-ibm-aix*)
 518     machine=ibm370aix opsys=usg5-3
 519   ;;
 520   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 521     machine=ibmrs6000 opsys=aix3-1
 522   ;;
 523   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 524     machine=ibmrs6000 opsys=aix3-2-5
 525   ;;
 526   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 527     machine=ibmrs6000 opsys=aix4-1
 528   ;;
 529   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 530     machine=ibmrs6000 opsys=aix4-2
 531   ;;
 532   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 533     machine=ibmrs6000 opsys=aix4
 534   ;;
 535   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 536     machine=ibmrs6000 opsys=aix4-1
 537   ;;
 538   rs6000-ibm-aix* | powerpc-ibm-aix* )
 539     machine=ibmrs6000 opsys=aix3-2
 540   ;;
 541   romp-ibm-bsd4.3* )
 542     machine=ibmrt opsys=bsd4-3
 543   ;;
 544   romp-ibm-bsd4.2* )
 545     machine=ibmrt opsys=bsd4-2
 546   ;;
 547   romp-ibm-aos4.3* )
 548     machine=ibmrt opsys=bsd4-3
 549   ;;
 550   romp-ibm-aos4.2* )
 551     machine=ibmrt opsys=bsd4-2
 552   ;;
 553   romp-ibm-aos* )
 554     machine=ibmrt opsys=bsd4-3
 555   ;;
 556   romp-ibm-bsd* )
 557     machine=ibmrt opsys=bsd4-3
 558   ;;
 559   romp-ibm-aix* )
 560     machine=ibmrt-aix opsys=usg5-2-2
 561   ;;
 562
 563   ## Integrated Solutions `Optimum V'
 564   m68*-isi-bsd4.2* )
 565     machine=isi-ov opsys=bsd4-2
 566   ;;
 567   m68*-isi-bsd4.3* )
 568     machine=isi-ov opsys=bsd4-3
 569   ;;
 570
 571   ## Intel 386 machines where we do care about the manufacturer
 572   i[3456]86-intsys-sysv* )
 573     machine=is386 opsys=usg5-2-2
 574   ;;
 575
 576   ## Prime EXL
 577   i[3456]86-prime-sysv* )
 578     machine=i386 opsys=usg5-3
 579   ;;
 580
 581   ## Sequent Symmetry running Dynix
 582   i[3456]86-sequent-bsd* )
 583     machine=symmetry opsys=bsd4-3
 584   ;;
 585
 586   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 587   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 588     machine=sequent-ptx opsys=ptx4
 589     NON_GNU_CPP=/lib/cpp
 590   ;;
 591
 592   ## Sequent Symmetry running DYNIX/ptx
 593   ## Use the old cpp rather than the newer ANSI one.
 594   i[3456]86-sequent-ptx* )
 595     machine=sequent-ptx opsys=ptx
 596     NON_GNU_CPP="/lib/cpp"
 597   ;;
 598
 599   ## ncr machine running svr4.3.
 600   i[3456]86-ncr-sysv4.3 )
 601     machine=ncr386 opsys=usg5-4-3
 602   ;;
 603
 604   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 605   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 606   i[3456]86-ncr-sysv* )
 607     machine=ncr386 opsys=usg5-4-2
 608   ;;
 609
 610   ## Intel Paragon OSF/1
 611   i860-intel-osf1* )
 612     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 613   ;;
 614
 615   ## Intel 860
 616   i860-*-sysv4* )
 617     machine=i860 opsys=usg5-4
 618     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 619     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 620   ;;
 621
 622   ## Masscomp machines
 623   m68*-masscomp-rtu* )
 624     machine=masscomp opsys=rtu
 625   ;;
 626
 627   ## Megatest machines
 628   m68*-megatest-bsd* )
 629     machine=mega68 opsys=bsd4-2
 630   ;;
 631
 632   ## Workstations sold by MIPS
 633   ## This is not necessarily all workstations using the MIPS processor -
 634   ## Irises are produced by SGI, and DECstations by DEC.
 635
 636   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 637   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 638   ## it gives for choosing between the alternatives seems to be "Use
 639   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 640   ## the BSD world."  I'll assume that these are instructions for
 641   ## handling two odd situations, and that every other situation
 642   ## should use mips.h and usg5-2-2, they being listed first.
 643   mips-mips-usg* )
 644     machine=mips4
 645     ## Fall through to the general code at the bottom to decide on the OS.
 646   ;;
 647   mips-mips-riscos4* )
 648     machine=mips4 opsys=bsd4-3
 649     NON_GNU_CC="cc -systype bsd43"
 650     NON_GNU_CPP="cc -systype bsd43 -E"
 651   ;;
 652   mips-mips-riscos5* )
 653     machine=mips4 opsys=riscos5
 654     NON_GNU_CC="cc -systype bsd43"
 655     NON_GNU_CPP="cc -systype bsd43 -E"
 656   ;;
 657   mips-mips-bsd* )
 658     machine=mips opsys=bsd4-3
 659   ;;
 660   mips-mips-* )
 661     machine=mips opsys=usg5-2-2
 662   ;;
 663
 664   ## NeXT
 665   m68*-next-* | m68k-*-nextstep* )
 666     machine=m68k opsys=nextstep
 667   ;;
 668
 669   ## The complete machine from National Semiconductor
 670   ns32k-ns-genix* )
 671     machine=ns32000 opsys=usg5-2
 672   ;;
 673
 674   ## NCR machines
 675   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 676     machine=tower32 opsys=usg5-2-2
 677   ;;
 678   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 679     machine=tower32v3 opsys=usg5-3
 680   ;;
 681
 682   ## NEC EWS4800
 683   mips-nec-sysv4*)
 684   machine=ews4800 opsys=ux4800
 685   ;;
 686
 687   ## Nixdorf Targon 31
 688   m68*-nixdorf-sysv* )
 689     machine=targon31 opsys=usg5-2-2
 690   ;;
 691
 692   ## Nu (TI or LMI)
 693   m68*-nu-sysv* )
 694     machine=nu opsys=usg5-2
 695   ;;
 696
 697   ## Plexus
 698   m68*-plexus-sysv* )
 699     machine=plexus opsys=usg5-2
 700   ;;
 701
 702   ## PowerPC reference platform
 703   powerpcle-*-solaris2* )
 704     machine=prep
 705     opsys=sol2-5
 706   ;;
 707
 708   ## Pyramid machines
 709   ## I don't really have any idea what sort of processor the Pyramid has,
 710   ## so I'm assuming it is its own architecture.
 711   pyramid-pyramid-bsd* )
 712     machine=pyramid opsys=bsd4-2
 713   ;;
 714
 715   ## Sequent Balance
 716   ns32k-sequent-bsd4.2* )
 717     machine=sequent opsys=bsd4-2
 718   ;;
 719   ns32k-sequent-bsd4.3* )
 720     machine=sequent opsys=bsd4-3
 721   ;;
 722
 723   ## Siemens Nixdorf
 724   mips-siemens-sysv* | mips-sni-sysv*)
 725     machine=mips-siemens opsys=usg5-4
 726     NON_GNU_CC=/usr/ccs/bin/cc
 727     NON_GNU_CPP=/usr/ccs/lib/cpp
 728   ;;
 729
 730   ## Silicon Graphics machines
 731   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 732   m68*-sgi-iris3.5* )
 733     machine=irist opsys=iris3-5
 734   ;;
 735   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 736     machine=irist opsys=iris3-6
 737   ;;
 738   ## Iris 4D
 739   mips-sgi-irix3* )
 740     machine=iris4d opsys=irix3-3
 741   ;;
 742   mips-sgi-irix4* )
 743     machine=iris4d opsys=irix4-0
 744   ;;
 745   mips-sgi-irix6.5 )
 746     machine=iris4d opsys=irix6-5
 747     NON_GNU_CPP=/lib/cpp
 748     NON_GCC_TEST_OPTIONS="-n32 -G0"
 749   ;;
 750   mips-sgi-irix6* )
 751     machine=iris4d opsys=irix6-0
 752     NON_GNU_CPP=/lib/cpp
 753     NON_GCC_TEST_OPTIONS=-32
 754   ;;
 755   mips-sgi-irix5.[01]* )
 756     machine=iris4d opsys=irix5-0
 757   ;;
 758   mips-sgi-irix5* | mips-sgi-irix* )
 759     machine=iris4d opsys=irix5-2
 760   ;;
 761
 762   ## SONY machines
 763   m68*-sony-bsd4.2* )
 764     machine=news opsys=bsd4-2
 765   ;;
 766   m68*-sony-bsd4.3* )
 767     machine=news opsys=bsd4-3
 768   ;;
 769   m68*-sony-newsos3* | m68*-sony-news3*)
 770     machine=news opsys=bsd4-3
 771   ;;
 772   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 773     machine=news-risc opsys=bsd4-3
 774   ;;
 775   mips-sony-newsos6* )
 776     machine=news-r6 opsys=newsos6
 777   ;;
 778   mips-sony-news* )
 779     machine=news-risc opsys=newsos5
 780   ;;
 781
 782   ## Stride
 783   m68*-stride-sysv* )
 784     machine=stride opsys=usg5-2
 785   ;;
 786
 787   ## Suns
 788   sparc-*-linux-gnu* )
 789     machine=sparc opsys=gnu-linux
 790   ;;
 791
 792   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 793     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 794     | rs6000-*-solaris2*)
 795     case "${canonical}" in
 796       m68*-sunos1* )    machine=sun1 ;;
 797       m68*-sunos2* )    machine=sun2 ;;
 798       m68* )            machine=sun3 ;;
 799       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 800       i[3456]86-*-* )     machine=intel386 ;;
 801       powerpcle* )      machine=powerpcle ;;
 802       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 803       sparc* )          machine=sparc ;;
 804       * )               unported=yes ;;
 805     esac
 806     case "${canonical}" in
 807       ## The Sun386 didn't get past 4.0.
 808       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 809       *-sunos4.0*         ) opsys=sunos4-0 ;;
 810       *-sunos4.1.[3-9]*noshare )
 811                 ## This name is sunos413 instead of sunos4-1-3
 812                 ## to avoid a file name conflict on MSDOS.
 813                 opsys=sunos413
 814                 NON_GNU_CPP=/usr/lib/cpp
 815                 NON_GCC_TEST_OPTIONS=-Bstatic
 816                 GCC_TEST_OPTIONS=-static
 817                 ;;
 818       *-sunos4.1.[3-9]* | *-sunos4shr*)
 819                 opsys=sunos4shr
 820                 NON_GNU_CPP=/usr/lib/cpp
 821                 ;;
 822       *-sunos4* | *-sunos )
 823                 opsys=sunos4-1
 824                 NON_GCC_TEST_OPTIONS=-Bstatic
 825                 GCC_TEST_OPTIONS=-static
 826                 ;;
 827       *-sunos5.3* | *-solaris2.3* )
 828                 opsys=sol2-3
 829                 NON_GNU_CPP=/usr/ccs/lib/cpp
 830                 ;;
 831       *-sunos5.4* | *-solaris2.4* )
 832                 opsys=sol2-4
 833                 NON_GNU_CPP=/usr/ccs/lib/cpp
 834                 RANLIB="ar -ts"
 835                 ;;
 836       *-sunos5.5* | *-solaris2.5* )
 837                 opsys=sol2-5
 838                 NON_GNU_CPP=/usr/ccs/lib/cpp
 839                 RANLIB="ar -ts"
 840                 ;;
 841       *-sunos5* | *-solaris* )
 842                 opsys=sol2-5
 843                 NON_GNU_CPP=/usr/ccs/lib/cpp
 844                 ;;
 845       *                   ) opsys=bsd4-2   ;;
 846     esac
 847     ## Watch out for a compiler that we know will not work.
 848     case "${canonical}" in
 849      *-solaris* | *-sunos5* )
 850                 if [ "x$CC" = x/usr/ucb/cc ]; then
 851                   ## /usr/ucb/cc doesn't work;
 852                   ## we should find some other compiler that does work.
 853                   unset CC
 854                 fi
 855                 ;;
 856       *) ;;
 857     esac
 858   ;;
 859   sparc-*-nextstep* )
 860     machine=sparc opsys=nextstep
 861   ;;
 862
 863   ## Tadpole 68k
 864   m68*-tadpole-sysv* )
 865     machine=tad68k opsys=usg5-3
 866   ;;
 867
 868   ## Tahoe machines
 869   tahoe-tahoe-bsd4.2* )
 870     machine=tahoe opsys=bsd4-2
 871   ;;
 872   tahoe-tahoe-bsd4.3* )
 873     machine=tahoe opsys=bsd4-3
 874   ;;
 875
 876   ## Tandem Integrity S2
 877   mips-tandem-sysv* )
 878     machine=tandem-s2 opsys=usg5-3
 879   ;;
 880
 881   ## Tektronix XD88
 882   m88k-tektronix-sysv3* )
 883   machine=tekxd88 opsys=usg5-3
 884   ;;
 885
 886   ## Tektronix 16000 box (6130?)
 887   ns16k-tektronix-bsd* )
 888     machine=ns16000 opsys=bsd4-2
 889   ;;
 890   ## Tektronix 4300
 891   ## src/m/tek4300.h hints that this is a m68k machine.
 892   m68*-tektronix-bsd* )
 893     machine=tek4300 opsys=bsd4-3
 894   ;;
 895
 896   ## Titan P2 or P3
 897   ## We seem to have lost the machine-description file titan.h!
 898   titan-titan-sysv* )
 899     machine=titan opsys=usg5-3
 900   ;;
 901
 902   ## Ustation E30 (SS5E)
 903   m68*-unisys-uniplus* )
 904     machine=ustation opsystem=unipl5-2
 905   ;;
 906
 907   ## Vaxen.
 908   vax-dec-* )
 909     machine=vax
 910     case "${canonical}" in
 911       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 912       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 913       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 914       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 915       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 916       *-vms* )                                          opsys=vms ;;
 917       * )                                               unported=yes
 918     esac
 919   ;;
 920
 921   ## Whitechapel MG1
 922   ns16k-whitechapel-* )
 923     machine=mg1
 924     ## We don't know what sort of OS runs on these; we'll let the
 925     ## operating system guessing code below try.
 926   ;;
 927
 928   ## Wicat
 929   m68*-wicat-sysv* )
 930     machine=wicat opsys=usg5-2
 931   ;;
 932
 933   ## Intel 386 machines where we don't care about the manufacturer
 934   i[3456]86-*-* )
 935     machine=intel386
 936     case "${canonical}" in
 937       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 938       *-isc2.2* )               opsys=isc2-2 ;;
 939       *-isc4.0* )               opsys=isc4-0 ;;
 940       *-isc4.* )                opsys=isc4-1
 941                                 GCC_TEST_OPTIONS=-posix
 942                                 NON_GCC_TEST_OPTIONS=-Xp
 943                                 ;;
 944       *-isc* )                  opsys=isc3-0 ;;
 945       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 946       *-esix* )                 opsys=esix ;;
 947       *-xenix* )                opsys=xenix ;;
 948       *-linux-gnu* )            opsys=gnu-linux ;;
 949       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 950       *-sco3.2v5* )             opsys=sco5
 951                                 NON_GNU_CPP=/lib/cpp
 952                                 # Prevent -belf from being passed to $CPP.
 953                                 # /lib/cpp does not accept it.
 954                                 OVERRIDE_CPPFLAGS=" "
 955                                 ;;
 956       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 957       *-386bsd* )               opsys=386bsd ;;
 958       *-freebsd* )              opsys=freebsd ;;
 959       *-nextstep* )             opsys=nextstep ;;
 960       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 961     esac
 962   ;;
 963
 964   ## m68k Linux-based GNU system
 965   m68k-*-linux-gnu* )
 966     machine=m68k opsys=gnu-linux
 967   ;;
 968
 969   ## Mips Linux-based GNU system
 970   mips-*-linux-gnu* )
 971     machine=mips opsys=gnu-linux
 972   ;;
 973
 974   ## UXP/DS
 975   sparc-fujitsu-sysv4* )
 976     machine=sparc opsys=uxpds
 977     NON_GNU_CPP=/usr/ccs/lib/cpp
 978     RANLIB="ar -ts"
 979   ;;
 980
 981   ## UXP/V
 982   f301-fujitsu-uxpv4.1)
 983     machine=f301 opsys=uxpv
 984   ;;
 985
 986   * )
 987     unported=yes
 988   ;;
 989 esac
 990
 991 ### If the code above didn't choose an operating system, just choose
 992 ### an operating system based on the configuration name.  You really
 993 ### only want to use this when you have no idea what the right
 994 ### operating system is; if you know what operating systems a machine
 995 ### runs, it's cleaner to make it explicit in the case statement
 996 ### above.
 997 if test x"${opsys}" = x; then
 998   case "${canonical}" in
 999     *-gnu* )                            opsys=gnu ;;
1000     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1001     *-bsd4.2 )                          opsys=bsd4-2 ;;
1002     *-bsd4.3 )                          opsys=bsd4-3 ;;
1003     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1004     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1005     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1006     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1007     *-sysv4.2uw* )                      opsys=unixware ;;
1008     *-sysv4.1* | *-sysvr4.1* )
1009         NON_GNU_CPP=/usr/lib/cpp
1010         opsys=usg5-4 ;;
1011     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1012         if [ x$NON_GNU_CPP = x ]; then
1013           if [ -f /usr/ccs/lib/cpp ]; then
1014             NON_GNU_CPP=/usr/ccs/lib/cpp
1015           else
1016             NON_GNU_CPP=/lib/cpp
1017           fi
1018         fi
1019         opsys=usg5-4-2 ;;
1020     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1021     * )
1022       unported=yes
1023     ;;
1024   esac
1025 fi
1026
1027 if test "x$RANLIB" = x; then
1028   RANLIB=ranlib
1029 fi
1030
1031 changequote([, ])dnl
1032
1033 if test $unported = yes; then
1034   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1035 Check \`etc/MACHINES' for recognized configuration names.])
1036 fi
1037
1038 machfile="m/${machine}.h"
1039 opsysfile="s/${opsys}.h"
1040
1041
1042 #### Choose a compiler.
1043 test -n "$CC" && cc_specified=yes
1044
1045 # Save the value of CFLAGS that the user specified.
1046 SPECIFIED_CFLAGS="$CFLAGS"
1047
1048 case ${with_gcc} in
1049   "yes" ) CC="gcc" GCC=yes ;;
1050   "no"  ) : ${CC=cc} ;;
1051   * ) AC_PROG_CC
1052 esac
1053
1054 # On Suns, sometimes $CPP names a directory.
1055 if test -n "$CPP" && test -d "$CPP"; then
1056   CPP=
1057 fi
1058
1059 #### Some systems specify a CPP to use unless we are using GCC.
1060 #### Now that we know whether we are using GCC, we can decide whether
1061 #### to use that one.
1062 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1063 then
1064   CPP="$NON_GNU_CPP"
1065 fi
1066
1067 #### Some systems specify a CC to use unless we are using GCC.
1068 #### Now that we know whether we are using GCC, we can decide whether
1069 #### to use that one.
1070 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1071   test x$cc_specified != xyes
1072 then
1073   CC="$NON_GNU_CC"
1074 fi
1075
1076 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1077 then
1078   CC="$CC $GCC_TEST_OPTIONS"
1079 fi
1080
1081 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1082 then
1083   CC="$CC $NON_GCC_TEST_OPTIONS"
1084 fi
1085
1086 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1087 then
1088   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1089 fi
1090
1091 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1092 then
1093   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1094 fi
1095
1096 #### Some other nice autoconf tests.  If you add a test here which
1097 #### should make an entry in src/config.h, don't forget to add an
1098 #### #undef clause to src/config.h.in for autoconf to modify.
1099
1100 dnl checks for programs
1101 AC_PROG_LN_S
1102 AC_PROG_CPP
1103 AC_PROG_INSTALL
1104 AC_PROG_YACC
1105
1106 dnl checks for Unix variants
1107 AC_AIX
1108
1109 dnl checks for header files
1110 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)
1111 AC_HEADER_STDC
1112 AC_HEADER_TIME
1113 AC_DECL_SYS_SIGLIST
1114
1115 dnl Some systems have utime.h but don't declare the struct anyplace.
1116 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1117 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1118 #include <sys/time.h>
1119 #include <time.h>
1120 #else
1121 #ifdef HAVE_SYS_TIME_H
1122 #include <sys/time.h>
1123 #else
1124 #include <time.h>
1125 #endif
1126 #endif
1127 #ifdef HAVE_UTIME_H
1128 #include <utime.h>
1129 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1130   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1131 if test $emacs_cv_struct_utimbuf = yes; then
1132   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1133 fi
1134
1135 dnl checks for typedefs
1136 AC_TYPE_SIGNAL
1137
1138 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1139 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1140 #include <sys/time.h>
1141 #include <time.h>
1142 #else
1143 #ifdef HAVE_SYS_TIME_H
1144 #include <sys/time.h>
1145 #else
1146 #include <time.h>
1147 #endif
1148 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1149   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1150 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1151 if test $emacs_cv_struct_timeval = yes; then
1152   AC_DEFINE(HAVE_TIMEVAL)
1153 fi
1154
1155 dnl checks for structure members
1156 AC_STRUCT_TM
1157 AC_STRUCT_TIMEZONE
1158
1159 dnl checks for compiler characteristics
1160 AC_C_CONST
1161
1162 dnl check for Make feature
1163 AC_PROG_MAKE_SET
1164
1165 dnl checks for operating system services
1166 AC_SYS_LONG_FILE_NAMES
1167
1168 #### Choose a window system.
1169
1170 AC_PATH_X
1171 if test "$no_x" = yes; then
1172   window_system=none
1173 else
1174   window_system=x11
1175 fi
1176
1177 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1178   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1179   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1180   x_default_search_path=""
1181   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1182     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1183 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1184 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1185 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1186     if test x"${x_default_search_path}" = x; then
1187       x_default_search_path=${x_search_path}
1188     else
1189       x_default_search_path="${x_search_path}:${x_default_search_path}"
1190     fi
1191   done
1192 fi
1193 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1194   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1195 fi
1196
1197 if test x"${x_includes}" = x; then
1198   bitmapdir=/usr/include/X11/bitmaps
1199 else
1200   # accumulate include directories that have X11 bitmap subdirectories
1201   bmd_acc="dummyval"
1202   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1203     if test -d "${bmd}/X11/bitmaps"; then
1204       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1205     elif test -d "${bmd}/bitmaps"; then
1206       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1207     fi
1208   done
1209   if test ${bmd_acc} != "dummyval"; then
1210     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1211   fi
1212 fi
1213
1214 case "${window_system}" in
1215   x11 )
1216     HAVE_X_WINDOWS=yes
1217     HAVE_X11=yes
1218     case "${with_x_toolkit}" in
1219       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1220       motif ) USE_X_TOOLKIT=MOTIF ;;
1221 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1222       no ) USE_X_TOOLKIT=none ;;
1223 dnl If user did not say whether to use a toolkit,
1224 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1225       * ) USE_X_TOOLKIT=maybe ;;
1226     esac
1227   ;;
1228   none )
1229     HAVE_X_WINDOWS=no
1230     HAVE_X11=no
1231     USE_X_TOOLKIT=none
1232   ;;
1233 esac
1234
1235 ### If we're using X11, we should use the X menu package.
1236 HAVE_MENUS=no
1237 case ${HAVE_X11} in
1238   yes ) HAVE_MENUS=yes ;;
1239 esac
1240
1241 if test "${opsys}" = "hpux9"; then
1242   case "${x_libraries}" in
1243     *X11R4* )
1244       opsysfile="s/hpux9-x11r4.h"
1245       ;;
1246   esac
1247 fi
1248
1249 if test "${opsys}" = "hpux9shr"; then
1250   case "${x_libraries}" in
1251     *X11R4* )
1252       opsysfile="s/hpux9shxr4.h"
1253       ;;
1254   esac
1255 fi
1256
1257 #### Extract some information from the operating system and machine files.
1258
1259 AC_CHECKING([the machine- and system-dependent files to find out
1260  - which libraries the lib-src programs will want, and
1261  - whether the GNU malloc routines are usable])
1262
1263 ### First figure out CFLAGS (which we use for running the compiler here)
1264 ### and REAL_CFLAGS (which we use for real compilation).
1265 ### The two are the same except on a few systems, where they are made
1266 ### different to work around various lossages.  For example,
1267 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1268 ### as implying static linking.
1269
1270 ### If the CFLAGS env var is specified, we use that value
1271 ### instead of the default.
1272
1273 ### It's not important that this name contain the PID; you can't run
1274 ### two configures in the same directory and have anything work
1275 ### anyway.
1276 tempcname="conftest.c"
1277
1278 echo '
1279 #include "'${srcdir}'/src/'${opsysfile}'"
1280 #include "'${srcdir}'/src/'${machfile}'"
1281 #ifndef LIBS_MACHINE
1282 #define LIBS_MACHINE
1283 #endif
1284 #ifndef LIBS_SYSTEM
1285 #define LIBS_SYSTEM
1286 #endif
1287 #ifndef C_SWITCH_SYSTEM
1288 #define C_SWITCH_SYSTEM
1289 #endif
1290 #ifndef C_SWITCH_MACHINE
1291 #define C_SWITCH_MACHINE
1292 #endif
1293 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1294 configure___ c_switch_system=C_SWITCH_SYSTEM
1295 configure___ c_switch_machine=C_SWITCH_MACHINE
1296
1297 #ifndef LIB_X11_LIB
1298 #define LIB_X11_LIB -lX11
1299 #endif
1300
1301 #ifndef LIBX11_MACHINE
1302 #define LIBX11_MACHINE
1303 #endif
1304
1305 #ifndef LIBX11_SYSTEM
1306 #define LIBX11_SYSTEM
1307 #endif
1308 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1309
1310 #ifdef UNEXEC
1311 configure___ unexec=UNEXEC
1312 #else
1313 configure___ unexec=unexec.o
1314 #endif
1315
1316 #ifdef SYSTEM_MALLOC
1317 configure___ system_malloc=yes
1318 #else
1319 configure___ system_malloc=no
1320 #endif
1321
1322 #ifndef C_DEBUG_SWITCH
1323 #define C_DEBUG_SWITCH -g
1324 #endif
1325
1326 #ifndef C_OPTIMIZE_SWITCH
1327 #define C_OPTIMIZE_SWITCH -O
1328 #endif
1329
1330 #ifndef LD_SWITCH_MACHINE
1331 #define LD_SWITCH_MACHINE
1332 #endif
1333
1334 #ifndef LD_SWITCH_SYSTEM
1335 #define LD_SWITCH_SYSTEM
1336 #endif
1337
1338 #ifndef LD_SWITCH_X_SITE_AUX
1339 #define LD_SWITCH_X_SITE_AUX
1340 #endif
1341
1342 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1343 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1344
1345 #ifdef THIS_IS_CONFIGURE
1346
1347 /* Get the CFLAGS for tests in configure.  */
1348 #ifdef __GNUC__
1349 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1350 #else
1351 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1352 #endif
1353
1354 #else /* not THIS_IS_CONFIGURE */
1355
1356 /* Get the CFLAGS for real compilation.  */
1357 #ifdef __GNUC__
1358 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1359 #else
1360 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1361 #endif
1362
1363 #endif /* not THIS_IS_CONFIGURE */
1364 ' > ${tempcname}
1365
1366 # The value of CPP is a quoted variable reference, so we need to do this
1367 # to get its actual value...
1368 CPP=`eval "echo $CPP"`
1369 changequote(, )dnl
1370 eval `${CPP} -Isrc ${tempcname} \
1371        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1372 if test "x$SPECIFIED_CFLAGS" = x; then
1373   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1374          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1375 else
1376   REAL_CFLAGS="$CFLAGS"
1377 fi
1378 changequote([, ])dnl
1379 rm ${tempcname}
1380
1381 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1382
1383 ### Compute the unexec source name from the object name.
1384 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1385
1386 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1387 # Assume not, until told otherwise.
1388 GNU_MALLOC=yes
1389 doug_lea_malloc=yes
1390 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1391 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1392 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1393                emacs_cv_var___after_morecore_hook,
1394 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1395   emacs_cv_var___after_morecore_hook=yes,
1396   emacs_cv_var___after_morecore_hook=no))
1397 if test $emacs_cv_var___after_morecore_hook = no; then
1398   doug_lea_malloc=no
1399 fi
1400 if test "${system_malloc}" = "yes"; then
1401   GNU_MALLOC=no
1402   GNU_MALLOC_reason="
1403     (The GNU allocators don't work with this system configuration.)"
1404 fi
1405 if test "$doug_lea_malloc" = "yes" ; then
1406   if test "$GNU_MALLOC" = yes ; then
1407     GNU_MALLOC_reason="
1408       (Using Doug Lea's new malloc from the GNU C Library.)"
1409   fi
1410   AC_DEFINE(DOUG_LEA_MALLOC)
1411 fi
1412
1413 if test x"${REL_ALLOC}" = x; then
1414   REL_ALLOC=${GNU_MALLOC}
1415 fi
1416
1417 LISP_FLOAT_TYPE=yes
1418
1419
1420 #### Add the libraries to LIBS and check for some functions.
1421
1422 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1423   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1424 else
1425   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1426 fi
1427
1428 LIBS="$libsrc_libs $LIBS"
1429
1430 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1431 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1432 AC_CHECK_LIB(dnet, dnet_ntoa)
1433 dnl This causes -lresolv to get used in subsequent tests,
1434 dnl which causes failures on some systems such as HPUX 9.
1435 dnl AC_CHECK_LIB(resolv, gethostbyname)
1436
1437 dnl FIXME replace main with a function we actually want from this library.
1438 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1439
1440 AC_CHECK_LIB(pthreads, cma_open)
1441
1442 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1443 if test -d /usr/X386/include; then
1444   HAVE_XFREE386=yes
1445   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1446 else
1447   HAVE_XFREE386=no
1448 fi
1449 AC_MSG_RESULT($HAVE_XFREE386)
1450
1451 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1452 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1453
1454 if test "${HAVE_X11}" = "yes"; then
1455   DEFS="$C_SWITCH_X_SITE $DEFS"
1456   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1457   LIBS="$LIBX $LIBS"
1458   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1459
1460   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1461   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1462   # but it's more convenient here to set LD_RUN_PATH
1463   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1464   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1465     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1466     export LD_RUN_PATH
1467   fi
1468
1469   if test "${opsys}" = "gnu-linux"; then
1470     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1471     AC_TRY_LINK([],
1472      [XOpenDisplay ("foo");],
1473      [xlinux_first_failure=no],
1474      [xlinux_first_failure=yes])
1475     if test "${xlinux_first_failure}" = "yes"; then
1476       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1477       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1478       OLD_CPPFLAGS="$CPPFLAGS"
1479       OLD_LIBS="$LIBS"
1480       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1481       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1482       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1483       LIBS="$LIBS -b i486-linuxaout"
1484       AC_TRY_LINK([],
1485        [XOpenDisplay ("foo");],
1486        [xlinux_second_failure=no],
1487        [xlinux_second_failure=yes])
1488       if test "${xlinux_second_failure}" = "yes"; then
1489         # If we get the same failure with -b, there is no use adding -b.
1490         # So take it out.  This plays safe.
1491         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1492         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1493         CPPFLAGS="$OLD_CPPFLAGS"
1494         LIBS="$OLD_LIBS"
1495         AC_MSG_RESULT(no)
1496       else
1497         AC_MSG_RESULT(yes)
1498       fi
1499     else
1500       AC_MSG_RESULT(no)
1501     fi
1502   fi
1503
1504   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1505 XScreenNumberOfScreen XSetWMProtocols)
1506 fi
1507
1508 if test "${window_system}" = "x11"; then
1509   AC_MSG_CHECKING(X11 version 6)
1510   AC_CACHE_VAL(emacs_cv_x11_version_6,
1511   AC_TRY_LINK([#include <X11/Xlib.h>],
1512 [#if XlibSpecificationRelease < 6
1513 fail;
1514 #endif
1515 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1516   if test $emacs_cv_x11_version_6 = yes; then
1517     AC_MSG_RESULT(6 or newer)
1518     AC_DEFINE(HAVE_X11R6)
1519   else
1520     AC_MSG_RESULT(before 6)
1521   fi
1522 fi
1523
1524 if test "${window_system}" = "x11"; then
1525   AC_MSG_CHECKING(X11 version 5)
1526   AC_CACHE_VAL(emacs_cv_x11_version_5,
1527   AC_TRY_LINK([#include <X11/Xlib.h>],
1528 [#if XlibSpecificationRelease < 5
1529 fail;
1530 #endif
1531 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1532   if test $emacs_cv_x11_version_5 = yes; then
1533     AC_MSG_RESULT(5 or newer)
1534     HAVE_X11R5=yes
1535     AC_DEFINE(HAVE_X11R5)
1536   else
1537     HAVE_X11R5=no
1538     AC_MSG_RESULT(before 5)
1539   fi
1540 fi
1541
1542 dnl Do not put whitespace before the #include statements below.
1543 dnl Older compilers (eg sunos4 cc) choke on it.
1544 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1545   if test x"${HAVE_X11R5}" = xyes; then
1546     AC_MSG_CHECKING(X11 version 5 with Xaw)
1547     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1548     AC_TRY_LINK([
1549 #include <X11/Intrinsic.h>
1550 #include <X11/Xaw/Simple.h>],
1551       [],
1552       emacs_cv_x11_version_5_with_xaw=yes,
1553       emacs_cv_x11_version_5_with_xaw=no))
1554     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1555       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1556       USE_X_TOOLKIT=LUCID
1557     else
1558       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1559       USE_X_TOOLKIT=none
1560     fi
1561   else
1562     USE_X_TOOLKIT=none
1563   fi
1564 fi
1565
1566 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1567
1568 if test "${USE_X_TOOLKIT}" != "none"; then
1569   AC_MSG_CHECKING(X11 toolkit version)
1570   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1571   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1572 [#if XtSpecificationRelease < 6
1573 fail;
1574 #endif
1575 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1576   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1577   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1578     AC_MSG_RESULT(6 or newer)
1579     AC_DEFINE(HAVE_X11XTR6)
1580   else
1581     AC_MSG_RESULT(before 6)
1582   fi
1583
1584 dnl If using toolkit, check whether libXmu.a exists.
1585 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1586   OLDLIBS="$LIBS"
1587   if test x$HAVE_X11XTR6 = xyes; then
1588     LIBS="-lXt -lSM -lICE $LIBS"
1589   else
1590     LIBS="-lXt $LIBS"
1591   fi
1592   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1593   LIBS="$OLDLIBS"
1594 fi
1595
1596 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1597   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1598   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1599     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1600 int x = 5;
1601 #else
1602 Motif version prior to 2.1.
1603 #endif],
1604     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1605   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1606   if test $emacs_cv_motif_version_2_1 = yes; then
1607     AC_DEFINE(HAVE_MOTIF_2_1)
1608   fi
1609 fi
1610
1611 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1612 AC_CACHE_CHECK(whether netdb declares h_errno,
1613                emacs_cv_netdb_declares_h_errno,
1614 AC_TRY_LINK([#include <netdb.h>],
1615   [return h_errno;],
1616   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1617 if test $emacs_cv_netdb_declares_h_errno = yes; then
1618   AC_DEFINE(HAVE_H_ERRNO)
1619 fi
1620
1621 AC_FUNC_ALLOCA
1622
1623 # fmod, logb, and frexp are found in -lm on most systems.
1624 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1625 AC_CHECK_LIB(m, sqrt)
1626
1627 # Check for mail-locking functions in a "mail" library
1628 AC_CHECK_LIB(mail, maillock,
1629              AC_DEFINE(HAVE_LIBMAIL)
1630              AC_CHECK_FUNCS(touchlock)
1631              AC_CHECK_HEADERS(maillock.h))
1632
1633 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1634 rename closedir mkdir rmdir sysinfo \
1635 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1636 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1637 utimes setrlimit setpgid getcwd shutdown strftime)
1638
1639 # Check this now, so that we will NOT find the above functions in ncurses.
1640 # That is because we have not set up to link ncurses in lib-src.
1641 # It's better to believe a function is not available
1642 # than to expect to find it in ncurses.
1643 AC_CHECK_LIB(ncurses, tparm)
1644
1645 # These tell us which Kerberos-related libraries to use.
1646 if test "${with_kerberos+set}" = set; then
1647   AC_CHECK_LIB(com_err, com_err)
1648   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1649   AC_CHECK_LIB(krb5, krb5_init_context)
1650   if test "${with_kerberos5+set}" != set; then
1651     AC_CHECK_LIB(des, des_cbc_encrypt,,
1652                  AC_CHECK_LIB(des425, des_cbc_encrypt))
1653     AC_CHECK_LIB(krb, krb_get_cred,,
1654                  AC_CHECK_LIB(krb4, krb_get_cred))
1655   fi
1656
1657   if test "${with_kerberos5+set}" = set; then
1658     AC_CHECK_HEADERS(krb5.h)
1659   else
1660     AC_CHECK_HEADERS(des.h,,
1661                      AC_CHECK_HEADERS(kerberosIV/des.h,,
1662                                       AC_CHECK_HEADERS(kerberos/des.h)))
1663     AC_CHECK_HEADERS(krb.h,,
1664                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
1665                                       AC_CHECK_HEADERS(kerberos/krb.h)))
1666   fi
1667   AC_CHECK_HEADERS(com_err.h)
1668 fi
1669
1670 # Solaris requires -lintl if you want strerror (which calls dgettext)
1671 # to return localized messages.
1672 AC_CHECK_LIB(intl, dgettext)
1673
1674 AC_MSG_CHECKING(whether localtime caches TZ)
1675 AC_CACHE_VAL(emacs_cv_localtime_cache,
1676 [if test x$ac_cv_func_tzset = xyes; then
1677 AC_TRY_RUN([#include <time.h>
1678 #if STDC_HEADERS
1679 # include <stdlib.h>
1680 #endif
1681 extern char **environ;
1682 unset_TZ ()
1683 {
1684   char **from, **to;
1685   for (to = from = environ; (*to = *from); from++)
1686     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1687       to++;
1688 }
1689 char TZ_GMT0[] = "TZ=GMT0";
1690 char TZ_PST8[] = "TZ=PST8";
1691 main()
1692 {
1693   time_t now = time ((time_t *) 0);
1694   int hour_GMT0, hour_unset;
1695   if (putenv (TZ_GMT0) != 0)
1696     exit (1);
1697   hour_GMT0 = localtime (&now)->tm_hour;
1698   unset_TZ ();
1699   hour_unset = localtime (&now)->tm_hour;
1700   if (putenv (TZ_PST8) != 0)
1701     exit (1);
1702   if (localtime (&now)->tm_hour == hour_GMT0)
1703     exit (1);
1704   unset_TZ ();
1705   if (localtime (&now)->tm_hour != hour_unset)
1706     exit (1);
1707   exit (0);
1708 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1709 [# If we have tzset, assume the worst when cross-compiling.
1710 emacs_cv_localtime_cache=yes])
1711 else
1712         # If we lack tzset, report that localtime does not cache TZ,
1713         # since we can't invalidate the cache if we don't have tzset.
1714         emacs_cv_localtime_cache=no
1715 fi])dnl
1716 AC_MSG_RESULT($emacs_cv_localtime_cache)
1717 if test $emacs_cv_localtime_cache = yes; then
1718   AC_DEFINE(LOCALTIME_CACHE)
1719 fi
1720
1721 if test "x$HAVE_TIMEVAL" = xyes; then
1722 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1723                emacs_cv_gettimeofday_two_arguments,
1724 AC_TRY_LINK([
1725 #ifdef TIME_WITH_SYS_TIME
1726 #include <sys/time.h>
1727 #include <time.h>
1728 #else
1729 #ifdef HAVE_SYS_TIME_H
1730 #include <sys/time.h>
1731 #else
1732 #include <time.h>
1733 #endif
1734 #endif
1735   ],
1736   [
1737   struct timeval time;
1738   struct timezone dummy;
1739   gettimeofday (&time, &dummy);
1740 ],
1741   emacs_cv_gettimeofday_two_arguments=yes,
1742   emacs_cv_gettimeofday_two_arguments=no))
1743   if test $emacs_cv_gettimeofday_two_arguments = no; then
1744     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1745   fi
1746 fi
1747
1748 ok_so_far=yes
1749 AC_CHECK_FUNC(socket, , ok_so_far=no)
1750 if test $ok_so_far = yes; then
1751   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1752 fi
1753 if test $ok_so_far = yes; then
1754   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1755 fi
1756 if test $ok_so_far = yes; then
1757   AC_DEFINE(HAVE_INET_SOCKETS)
1758 fi
1759
1760 if test -f /usr/lpp/X11/bin/smt.exp; then
1761   AC_DEFINE(HAVE_AIX_SMT_EXP)
1762 fi
1763
1764 # Set up the CFLAGS for real compilation, so we can substitute it.
1765 CFLAGS="$REAL_CFLAGS"
1766
1767 changequote(, )dnl
1768 #### Find out which version of Emacs this is.
1769 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1770          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1771 changequote([, ])dnl
1772 if test x"${version}" = x; then
1773   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1774 fi
1775
1776 ### Specify what sort of things we'll be editing into Makefile and config.h.
1777 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1778 AC_SUBST(version)
1779 AC_SUBST(configuration)
1780 AC_SUBST(canonical)
1781 AC_SUBST(srcdir)
1782 AC_SUBST(prefix)
1783 AC_SUBST(exec_prefix)
1784 AC_SUBST(bindir)
1785 AC_SUBST(datadir)
1786 AC_SUBST(sharedstatedir)
1787 AC_SUBST(libexecdir)
1788 AC_SUBST(mandir)
1789 AC_SUBST(infodir)
1790 AC_SUBST(lispdir)
1791 AC_SUBST(locallisppath)
1792 AC_SUBST(lisppath)
1793 AC_SUBST(x_default_search_path)
1794 AC_SUBST(etcdir)
1795 AC_SUBST(archlibdir)
1796 AC_SUBST(docdir)
1797 AC_SUBST(bitmapdir)
1798 AC_SUBST(c_switch_system)
1799 AC_SUBST(c_switch_machine)
1800 AC_SUBST(LD_SWITCH_X_SITE)
1801 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1802 AC_SUBST(C_SWITCH_X_SITE)
1803 AC_SUBST(CFLAGS)
1804 AC_SUBST(X_TOOLKIT_TYPE)
1805 AC_SUBST(machfile)
1806 AC_SUBST(opsysfile)
1807 AC_SUBST(RANLIB)
1808
1809 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1810 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1811 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1812 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1813 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1814 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1815 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1816 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1817
1818 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1819   AC_DEFINE(HAVE_X_WINDOWS)
1820 fi
1821 if test "${USE_X_TOOLKIT}" != "none" ; then
1822   AC_DEFINE(USE_X_TOOLKIT)
1823 fi
1824 if test "${HAVE_X11}" = "yes" ; then
1825   AC_DEFINE(HAVE_X11)
1826 fi
1827 if test "${HAVE_XFREE386}" = "yes" ; then
1828   AC_DEFINE(HAVE_XFREE386)
1829 fi
1830 if test "${HAVE_MENUS}" = "yes" ; then
1831   AC_DEFINE(HAVE_MENUS)
1832 fi
1833 if test "${GNU_MALLOC}" = "yes" ; then
1834   AC_DEFINE(GNU_MALLOC)
1835 fi
1836 if test "${REL_ALLOC}" = "yes" ; then
1837   AC_DEFINE(REL_ALLOC)
1838 fi
1839 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1840   AC_DEFINE(LISP_FLOAT_TYPE)
1841 fi
1842
1843 #### Report on what we decided to do.
1844 echo "
1845 Configured for \`${canonical}'.
1846
1847   Where should the build process find the source code?    ${srcdir}
1848   What operating system and machine description files should Emacs use?
1849         \`${opsysfile}' and \`${machfile}'
1850   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1851   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1852   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1853   What window system should Emacs use?                    ${window_system}
1854   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1855
1856 if test -n "${x_includes}"; then
1857 echo "  Where do we find X Windows header files?                ${x_includes}"
1858 else
1859 echo "  Where do we find X Windows header files?                Standard dirs"
1860 fi
1861 if test -n "${x_libraries}"; then
1862 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1863 else
1864 echo "  Where do we find X Windows libraries?                   Standard dirs"
1865 fi
1866
1867 echo
1868
1869 # Remove any trailing slashes in these variables.
1870 changequote(, )dnl
1871 test "${prefix}" != NONE &&
1872   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1873 test "${exec_prefix}" != NONE &&
1874   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1875 changequote([, ])dnl
1876
1877 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1878         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
1879         leim/Makefile, [
1880
1881 ### Make the necessary directories, if they don't exist.
1882 for dir in etc lisp ; do
1883   test -d ${dir} || mkdir ${dir}
1884 done
1885
1886 # Build src/Makefile from ${srcdir}/src/Makefile.c
1887 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1888 # This must be done after src/config.h is built, since we rely on that file.
1889
1890 changequote(, )dnl The horror, the horror.
1891 # Now get this: Some word that is part of the ${srcdir} directory name
1892 # or the ${configuration} value might, just might, happen to be an
1893 # identifier like `sun4' or `i386' or something, and be predefined by
1894 # the C preprocessor to some helpful value like 1, or maybe the empty
1895 # string.  Needless to say consequent macro substitutions are less
1896 # than conducive to the makefile finding the correct directory.
1897 undefs="`echo $top_srcdir $configuration $canonical |
1898 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1899     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1900 `"
1901 changequote([, ])dnl
1902
1903 echo creating src/epaths.h
1904 make epaths-force
1905
1906 echo creating lib-src/Makefile
1907 ( cd lib-src
1908   rm -f junk.c junk1.c junk2.c
1909   sed -e '/start of cpp stuff/q' \
1910       < Makefile.c > junk1.c
1911   sed -e '1,/start of cpp stuff/d'\
1912       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1913       < Makefile.c > junk.c
1914   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1915       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1916   cat junk1.c junk2.c > Makefile.new
1917   rm -f junk.c junk1.c junk2.c
1918   chmod 444 Makefile.new
1919   mv -f Makefile.new Makefile
1920 )
1921
1922 echo creating src/Makefile
1923 ( cd src
1924   rm -f junk.c junk1.c junk2.c
1925   sed -e '/start of cpp stuff/q' \
1926       < Makefile.c > junk1.c
1927   sed -e '1,/start of cpp stuff/d'\
1928       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1929       < Makefile.c > junk.c
1930   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1931       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1932   cat junk1.c junk2.c > Makefile.new
1933   rm -f junk.c junk1.c junk2.c
1934   chmod 444 Makefile.new
1935   mv -f Makefile.new Makefile
1936 )
1937
1938 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1939   echo creating src/.gdbinit
1940   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1941 fi
1942
1943 # This is how we know whether to re-run configure in certain cases.
1944 touch src/config.stamp
1945
1946 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])