configure.in

   1 dnl  Autoconf script for GNU Emacs
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 dnl
   6 dnl  Copyright (C) 1994, 1995, 1996, 1999, 2000 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 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  39 AC_ARG_WITH(pop,
  40 [  --without-pop           don't support POP mail retrieval with movemail],
  41 [if test "$withval" = yes; then
  42    AC_DEFINE(MAIL_USE_POP)
  43 else :
  44 fi],
  45 AC_DEFINE(MAIL_USE_POP))
  46 AC_ARG_WITH(kerberos,
  47 [  --with-kerberos         support Kerberos-authenticated POP],
  48 [AC_DEFINE(KERBEROS)])
  49 AC_ARG_WITH(kerberos5,
  50 [  --with-kerberos5         support Kerberos version 5 authenticated POP],
  51 [if test "${with_kerberos5+set}" = set; then
  52   if test "${with_kerberos+set}" != set; then
  53     with_kerberos=yes
  54     AC_DEFINE(KERBEROS)
  55   fi
  56 fi
  57 AC_DEFINE(KERBEROS5)])
  58 AC_ARG_WITH(hesiod,
  59 [  --with-hesiod           support Hesiod to get the POP server host],
  60 [AC_DEFINE(HESIOD)])
  61 dnl This should be the last --with option, because --with-x is
  62 dnl added later on when we find the path of X, and it's best to
  63 dnl keep them together visually.
  64 AC_ARG_WITH(x-toolkit,
  65 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  66 [         case "${withval}" in
  67             y | ye | yes )      val=athena ;;
  68             n | no )            val=no  ;;
  69             l | lu | luc | luci | lucid )       val=lucid ;;
  70             a | at | ath | athe | athen | athena )      val=athena ;;
  71             m | mo | mot | moti | motif )       val=motif ;;
  72 dnl These don't currently work.
  73 dnl         o | op | ope | open | open- | open-l | open-lo \
  74 dnl             | open-loo | open-look )        val=open-look ;;
  75             * )
  76 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  77 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  78 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  79 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  80 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  81             ;;
  82           esac
  83           with_x_toolkit=$val
  84 ])
  85 AC_ARG_WITH(xpm,
  86 [  --with-xpm              use -lXpm for displaying XPM images])
  87 AC_ARG_WITH(jpeg,
  88 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  89 AC_ARG_WITH(tiff,
  90 [  --with-tiff             use -ltiff for displaying TIFF images])
  91 AC_ARG_WITH(gif,
  92 [  --with-gif              use -lungif for displaying GIF images])
  93 AC_ARG_WITH(png,
  94 [  --with-png              use -lpng for displaying PNG images])
  95 AC_ARG_WITH(toolkit-scroll-bars,
  96 [  --without-toolkit-scroll-bars  don't use Motif or Xaw3d scroll bars])
  97
  98 #### Make srcdir absolute, if it isn't already.  It's important to
  99 #### avoid running the path through pwd unnecessary, since pwd can
 100 #### give you automounter prefixes, which can go away.  We do all this
 101 #### so Emacs can find its files when run uninstalled.
 102 case "${srcdir}" in
 103   /* ) ;;
 104   . )
 105     ## We may be able to use the $PWD environment variable to make this
 106     ## absolute.  But sometimes PWD is inaccurate.
 107     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 108     unset CDPATH
 109     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
 110     then
 111       srcdir="$PWD"
 112     else
 113       srcdir="`(cd ${srcdir}; pwd)`"
 114     fi
 115   ;;
 116   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 117 esac
 118
 119 #### Check if the source directory already has a configured system in it.
 120 if test `pwd` != `(cd ${srcdir} && pwd)` \
 121    && test -f "${srcdir}/src/config.h" ; then
 122   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 123    as a build directory right now; it has been configured in its own
 124    right.  To configure in another directory as well, you MUST
 125    use GNU make.  If you do not have GNU make, then you must
 126    now do \`make distclean' in ${srcdir},
 127    and then run $0 again.])
 128
 129 changequote(, )dnl
 130   extrasub='/^VPATH[     ]*=/c\
 131 changequote([, ])dnl
 132 vpath %.c $(srcdir)\
 133 vpath %.h $(srcdir)\
 134 vpath %.y $(srcdir)\
 135 vpath %.l $(srcdir)\
 136 vpath %.s $(srcdir)\
 137 vpath %.in $(srcdir)\
 138 vpath %.texi $(srcdir)'
 139 fi
 140
 141 #### Given the configuration name, set machfile and opsysfile to the
 142 #### names of the m/*.h and s/*.h files we should use.
 143
 144 ### Canonicalize the configuration name.
 145
 146 AC_CANONICAL_HOST
 147 canonical=$host
 148 configuration=$host_alias
 149
 150 changequote(, )dnl
 151
 152 ### If you add support for a new configuration, add code to this
 153 ### switch statement to recognize your configuration name and select
 154 ### the appropriate operating system and machine description files.
 155
 156 ### You would hope that you could choose an m/*.h file pretty much
 157 ### based on the machine portion of the configuration name, and an s-
 158 ### file based on the operating system portion.  However, it turns out
 159 ### that each m/*.h file is pretty manufacturer-specific - for
 160 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 161 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 162 ### machines.  So we basically have to have a special case for each
 163 ### configuration name.
 164 ###
 165 ### As far as handling version numbers on operating systems is
 166 ### concerned, make sure things will fail in a fixable way.  If
 167 ### /etc/MACHINES doesn't say anything about version numbers, be
 168 ### prepared to handle anything reasonably.  If version numbers
 169 ### matter, be sure /etc/MACHINES says something about it.
 170 ###
 171 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 172 ### "System V Release 4"; he writes, "The old convention encouraged
 173 ### confusion between `system' and `release' levels'."
 174
 175 machine='' opsys='' unported=no
 176 case "${canonical}" in
 177
 178   ## NetBSD ports
 179   *-*-netbsd* )
 180     opsys=netbsd
 181     case "${canonical}" in
 182       alpha*-*-netbsd*) machine=alpha ;;
 183       i[3456]86-*-netbsd*) machine=intel386 ;;
 184       m68k-*-netbsd*)
 185                         # This is somewhat bogus.
 186                         machine=hp9000s300 ;;
 187       powerpc-apple-netbsd*) machine=macppc ;;
 188       mips-*-netbsd*)   machine=pmax ;;
 189       mipsel-*-netbsd*) machine=pmax ;;
 190       ns32k-*-netbsd*)  machine=ns32000 ;;
 191       sparc-*-netbsd*)  machine=sparc ;;
 192       vax-*-netbsd*)    machine=vax ;;
 193       arm-*-netbsd*)    machine=arm ;;
 194     esac
 195   ;;
 196
 197   ## OpenBSD ports
 198   *-*-openbsd* )
 199     opsys=openbsd
 200     case "${canonical}" in
 201       alpha*-*-openbsd*)        machine=alpha ;;
 202       i386-*-openbsd*)  machine=intel386 ;;
 203       m68k-*-openbsd*)  machine=hp9000s300 ;;
 204       mipsel-*-openbsd*) machine=pmax ;;
 205       ns32k-*-openbsd*) machine=ns32000 ;;
 206       sparc-*-openbsd*) machine=sparc ;;
 207       vax-*-openbsd*)   machine=vax ;;
 208     esac
 209   ;;
 210
 211   ## Acorn RISCiX:
 212   arm-acorn-riscix1.1* )
 213     machine=acorn opsys=riscix1-1
 214   ;;
 215   arm-acorn-riscix1.2* | arm-acorn-riscix )
 216     ## This name is riscix12 instead of riscix1.2
 217     ## to avoid a file name conflict on MSDOS.
 218     machine=acorn opsys=riscix12
 219   ;;
 220
 221   ## BSDI ports
 222   *-*-bsdi* )
 223     opsys=bsdi
 224     case "${canonical}" in
 225       i[345]86-*-bsdi*) machine=intel386 ;;
 226       sparc-*-bsdi*)  machine=sparc ;;
 227       powerpc-*-bsdi*)  machine=powerpc ;;
 228     esac
 229     case "${canonical}" in
 230       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 231       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 232       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 233       *-*-bsdi3* )              opsys=bsdos3 ;;
 234       *-*-bsdi4* )              opsys=bsdos4 ;;
 235     esac
 236   ;;
 237
 238   ## Alliant machines
 239   ## Strictly speaking, we need the version of the alliant operating
 240   ## system to choose the right machine file, but currently the
 241   ## configuration name doesn't tell us enough to choose the right
 242   ## one; we need to give alliants their own operating system name to
 243   ## do this right.  When someone cares, they can help us.
 244   fx80-alliant-* )
 245     machine=alliant4 opsys=bsd4-2
 246   ;;
 247   i860-alliant-* )
 248     machine=alliant-2800 opsys=bsd4-3
 249   ;;
 250
 251   ## Alpha (DEC) machines.
 252   alpha*-dec-osf* )
 253     machine=alpha opsys=osf1
 254     # This is needed to find X11R6.1 libraries for certain tests.
 255     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 256     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 257     case "${canonical}" in
 258     # This is necessary on 5.0 to avoid mangling src/Makefile.
 259     # Separated out in case it causes problems on earlier versions.
 260     alpha*-dec-osf[5-9]*)
 261       NON_GNU_CPP='cc -E -std0' ;;
 262     esac
 263   ;;
 264
 265   alpha*-*-linux-gnu* )
 266     machine=alpha opsys=gnu-linux
 267   ;;
 268
 269   arm*-*-linux-gnu* )
 270     machine=arm opsys=gnu-linux
 271   ;;
 272
 273   ppc-*-linux | \
 274   powerpc-*-linux* )
 275     machine=powerpc opsys=gnu-linux
 276   ;;
 277
 278   ## Altos 3068
 279   m68*-altos-sysv* )
 280     machine=altos opsys=usg5-2
 281   ;;
 282
 283   ## Amdahl UTS
 284   580-amdahl-sysv* )
 285     machine=amdahl opsys=usg5-2-2
 286   ;;
 287
 288   ## Apollo, Domain/OS
 289   m68*-apollo-* )
 290     machine=apollo opsys=bsd4-3
 291   ;;
 292
 293   ## AT&T 3b2, 3b5, 3b15, 3b20
 294   we32k-att-sysv* )
 295     machine=att3b opsys=usg5-2-2
 296   ;;
 297
 298   ## AT&T 3b1 - The Mighty Unix PC!
 299   m68*-att-sysv* )
 300     machine=7300 opsys=usg5-2-2
 301   ;;
 302
 303   ## Bull dpx20
 304   rs6000-bull-bosx* )
 305     machine=ibmrs6000 opsys=aix3-2
 306   ;;
 307
 308   ## Bull dpx2
 309   m68*-bull-sysv3* )
 310     machine=dpx2 opsys=usg5-3
 311   ;;
 312
 313   ## Bull sps7
 314   m68*-bull-sysv2* )
 315     machine=sps7 opsys=usg5-2
 316   ;;
 317
 318   ## CCI 5/32, 6/32 -- see "Tahoe".
 319
 320   ## Celerity
 321   ## I don't know what configuration name to use for this; config.sub
 322   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 323   ## in touch with us!
 324   celerity-celerity-bsd* )
 325     machine=celerity opsys=bsd4-2
 326   ;;
 327
 328   ## Clipper
 329   ## What operating systems does this chip run that Emacs has been
 330   ## tested on?
 331   clipper-* )
 332     machine=clipper
 333     ## We'll use the catch-all code at the bottom to guess the
 334     ## operating system.
 335   ;;
 336
 337   ## Convex
 338   *-convex-bsd* | *-convex-convexos* )
 339     machine=convex opsys=bsd4-3
 340     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 341     NON_GNU_CPP="cc -E -P"
 342   ;;
 343
 344   ## Cubix QBx/386
 345   i[3456]86-cubix-sysv* )
 346     machine=intel386 opsys=usg5-3
 347   ;;
 348
 349   ## Cydra 5
 350   cydra*-cydrome-sysv* )
 351     machine=cydra5 opsys=usg5-3
 352   ;;
 353
 354   ## Data General AViiON Machines
 355   ## DG changed naming conventions with the release of 5.4.4.10, they
 356   ## dropped the initial 5.4 but left the intervening R.  Because of the
 357   ## R this shouldn't conflict with older versions of the OS (which I
 358   ## think were named like dgux4.*). In addition, DG new AViiONs series
 359   ## uses either Motorola M88k or Intel Pentium CPUs.
 360   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 361     machine=aviion opsys=dgux4
 362   ;;
 363   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 364     ## This name is dgux5-4-3 instead of dgux5-4r3
 365     ## to avoid a file name conflict on MSDOS.
 366     machine=aviion opsys=dgux5-4-3
 367   ;;
 368   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 369     machine=aviion opsys=dgux5-4r2
 370   ;;
 371   m88k-dg-dgux* )
 372     machine=aviion opsys=dgux
 373   ;;
 374
 375   ## Data General AViiON Intel (x86) Machines
 376   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 377   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 378   i[345]86-dg-dguxR4* )
 379     machine=aviion-intel opsys=dgux4
 380   ;;
 381
 382   ## DECstations
 383   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 384     machine=pmax opsys=bsd4-2
 385   ;;
 386   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 387     machine=pmax opsys=bsd4-3
 388   ;;
 389   mips-dec-ultrix* )
 390     machine=pmax opsys=ultrix4-3
 391   ;;
 392   mips-dec-osf* )
 393     machine=pmax opsys=osf1
 394   ;;
 395   mips-dec-mach_bsd4.3* )
 396     machine=pmax opsys=mach-bsd4-3
 397   ;;
 398
 399   ## Motorola Delta machines
 400   m68k-motorola-sysv* | m68000-motorola-sysv* )
 401     machine=delta opsys=usg5-3
 402     if test -z "`type gnucc | grep 'not found'`"
 403     then
 404       if test -s /etc/167config
 405       then CC="gnucc -m68040"
 406       else CC="gnucc -m68881"
 407       fi
 408     else
 409       if test -z "`type gcc | grep 'not found'`"
 410       then CC=gcc
 411       else CC=cc
 412       fi
 413     fi
 414   ;;
 415   m88k-motorola-sysv4* )
 416     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 417     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 418     # I hope there are not other 4.0 versions for this machine
 419     # which really need usg5-4 instead.
 420     machine=delta88k opsys=usg5-4-2
 421   ;;
 422   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 423     machine=delta88k opsys=usg5-3
 424   ;;
 425
 426   ## Dual machines
 427   m68*-dual-sysv* )
 428     machine=dual opsys=usg5-2
 429   ;;
 430   m68*-dual-uniplus* )
 431     machine=dual opsys=unipl5-2
 432   ;;
 433
 434   ## Elxsi 6400
 435   elxsi-elxsi-sysv* )
 436     machine=elxsi opsys=usg5-2
 437   ;;
 438
 439   ## Encore machines
 440   ns16k-encore-bsd* )
 441     machine=ns16000 opsys=umax
 442   ;;
 443
 444   ## The GEC 93 - apparently, this port isn't really finished yet.
 445
 446   ## Gould Power Node and NP1
 447   pn-gould-bsd4.2* )
 448     machine=gould opsys=bsd4-2
 449   ;;
 450   pn-gould-bsd4.3* )
 451     machine=gould opsys=bsd4-3
 452   ;;
 453   np1-gould-bsd* )
 454     machine=gould-np1 opsys=bsd4-3
 455   ;;
 456
 457   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 458   ## as far as Emacs is concerned).
 459   m88k-harris-cxux* )
 460     # Build needs to be different on 7.0 and later releases
 461     case "`uname -r`" in
 462        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 463        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 464     esac
 465     NON_GNU_CPP="/lib/cpp"
 466   ;;
 467   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 468   m68k-harris-cxux* )
 469     machine=nh3000 opsys=cxux
 470   ;;
 471   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 472   powerpc-harris-powerunix )
 473     machine=nh6000 opsys=powerunix
 474     NON_GNU_CPP="cc -Xo -E -P"
 475   ;;
 476   ## SR2001/SR2201 running HI-UX/MPP
 477   hppa1.1-hitachi-hiuxmpp* )
 478     machine=sr2k opsys=hiuxmpp
 479   ;;
 480   ## Honeywell XPS100
 481   xps*-honeywell-sysv* )
 482     machine=xps100 opsys=usg5-2
 483   ;;
 484
 485   ## HP 9000 series 200 or 300
 486   m68*-hp-bsd* )
 487     machine=hp9000s300 opsys=bsd4-3
 488   ;;
 489   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 490   m68*-hp-hpux* )
 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=hp9000s300 opsys=hpux8 ;;
 495       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 496       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 497       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 498       *) machine=hp9000s300 opsys=hpux ;;
 499     esac
 500   ;;
 501
 502   ## HP 9000 series 700 and 800, running HP/UX
 503   hppa*-hp-hpux7* )
 504     machine=hp800 opsys=hpux
 505   ;;
 506   hppa*-hp-hpux8* )
 507     machine=hp800 opsys=hpux8
 508   ;;
 509   hppa*-hp-hpux9shr* )
 510     machine=hp800 opsys=hpux9shr
 511   ;;
 512   hppa*-hp-hpux9* )
 513     machine=hp800 opsys=hpux9
 514   ;;
 515   hppa*-hp-hpux1[0-9]* )
 516     machine=hp800 opsys=hpux10
 517   ;;
 518
 519   ## HP 9000 series 700 and 800, running HP/UX
 520   hppa*-hp-hpux* )
 521     ## Cross-compilation?  Nah!
 522     case "`uname -r`" in
 523       ## Someone's system reports A.B8.05 for this.
 524       ## I wonder what other possibilities there are.
 525       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 526       *.08.* ) machine=hp800 opsys=hpux8 ;;
 527       *.09.* ) machine=hp800 opsys=hpux9 ;;
 528       *) machine=hp800 opsys=hpux10 ;;
 529     esac
 530   ;;
 531   hppa*-*-nextstep* )
 532     machine=hp800 opsys=nextstep
 533   ;;
 534
 535   ## Orion machines
 536   orion-orion-bsd* )
 537     machine=orion opsys=bsd4-2
 538   ;;
 539   clipper-orion-bsd* )
 540     machine=orion105 opsys=bsd4-2
 541   ;;
 542
 543   ## IBM machines
 544   i[3456]86-ibm-aix1.1* )
 545     machine=ibmps2-aix opsys=usg5-2-2
 546   ;;
 547   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 548     machine=ibmps2-aix opsys=usg5-3
 549   ;;
 550   i370-ibm-aix*)
 551     machine=ibm370aix opsys=usg5-3
 552   ;;
 553   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 554     machine=ibmrs6000 opsys=aix3-1
 555   ;;
 556   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 557     machine=ibmrs6000 opsys=aix3-2-5
 558   ;;
 559   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 560     machine=ibmrs6000 opsys=aix4-1
 561   ;;
 562   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 563     machine=ibmrs6000 opsys=aix4-2
 564   ;;
 565   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 566     machine=ibmrs6000 opsys=aix4
 567   ;;
 568   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 569     machine=ibmrs6000 opsys=aix4-1
 570   ;;
 571   rs6000-ibm-aix* | powerpc-ibm-aix* )
 572     machine=ibmrs6000 opsys=aix3-2
 573   ;;
 574   romp-ibm-bsd4.3* )
 575     machine=ibmrt opsys=bsd4-3
 576   ;;
 577   romp-ibm-bsd4.2* )
 578     machine=ibmrt opsys=bsd4-2
 579   ;;
 580   romp-ibm-aos4.3* )
 581     machine=ibmrt opsys=bsd4-3
 582   ;;
 583   romp-ibm-aos4.2* )
 584     machine=ibmrt opsys=bsd4-2
 585   ;;
 586   romp-ibm-aos* )
 587     machine=ibmrt opsys=bsd4-3
 588   ;;
 589   romp-ibm-bsd* )
 590     machine=ibmrt opsys=bsd4-3
 591   ;;
 592   romp-ibm-aix* )
 593     machine=ibmrt-aix opsys=usg5-2-2
 594   ;;
 595
 596   ## Integrated Solutions `Optimum V'
 597   m68*-isi-bsd4.2* )
 598     machine=isi-ov opsys=bsd4-2
 599   ;;
 600   m68*-isi-bsd4.3* )
 601     machine=isi-ov opsys=bsd4-3
 602   ;;
 603
 604   ## Intel 386 machines where we do care about the manufacturer
 605   i[3456]86-intsys-sysv* )
 606     machine=is386 opsys=usg5-2-2
 607   ;;
 608
 609   ## Prime EXL
 610   i[3456]86-prime-sysv* )
 611     machine=i386 opsys=usg5-3
 612   ;;
 613
 614   ## Sequent Symmetry running Dynix
 615   i[3456]86-sequent-bsd* )
 616     machine=symmetry opsys=bsd4-3
 617   ;;
 618
 619   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 620   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 621     machine=sequent-ptx opsys=ptx4
 622     NON_GNU_CPP=/lib/cpp
 623   ;;
 624
 625   ## Sequent Symmetry running DYNIX/ptx
 626   ## Use the old cpp rather than the newer ANSI one.
 627   i[3456]86-sequent-ptx* )
 628     machine=sequent-ptx opsys=ptx
 629     NON_GNU_CPP="/lib/cpp"
 630   ;;
 631
 632   ## ncr machine running svr4.3.
 633   i[3456]86-ncr-sysv4.3 )
 634     machine=ncr386 opsys=usg5-4-3
 635   ;;
 636
 637   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 638   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 639   i[3456]86-ncr-sysv* )
 640     machine=ncr386 opsys=usg5-4-2
 641   ;;
 642
 643   ## Intel Paragon OSF/1
 644   i860-intel-osf1* )
 645     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 646   ;;
 647
 648   ## Intel 860
 649   i860-*-sysv4* )
 650     machine=i860 opsys=usg5-4
 651     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 652     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 653   ;;
 654
 655   ## Masscomp machines
 656   m68*-masscomp-rtu* )
 657     machine=masscomp opsys=rtu
 658   ;;
 659
 660   ## Megatest machines
 661   m68*-megatest-bsd* )
 662     machine=mega68 opsys=bsd4-2
 663   ;;
 664
 665   ## Workstations sold by MIPS
 666   ## This is not necessarily all workstations using the MIPS processor -
 667   ## Irises are produced by SGI, and DECstations by DEC.
 668
 669   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 670   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 671   ## it gives for choosing between the alternatives seems to be "Use
 672   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 673   ## the BSD world."  I'll assume that these are instructions for
 674   ## handling two odd situations, and that every other situation
 675   ## should use mips.h and usg5-2-2, they being listed first.
 676   mips-mips-usg* )
 677     machine=mips4
 678     ## Fall through to the general code at the bottom to decide on the OS.
 679   ;;
 680   mips-mips-riscos4* )
 681     machine=mips4 opsys=bsd4-3
 682     NON_GNU_CC="cc -systype bsd43"
 683     NON_GNU_CPP="cc -systype bsd43 -E"
 684   ;;
 685   mips-mips-riscos5* )
 686     machine=mips4 opsys=riscos5
 687     NON_GNU_CC="cc -systype bsd43"
 688     NON_GNU_CPP="cc -systype bsd43 -E"
 689   ;;
 690   mips-mips-bsd* )
 691     machine=mips opsys=bsd4-3
 692   ;;
 693   mips-mips-* )
 694     machine=mips opsys=usg5-2-2
 695   ;;
 696
 697   ## NeXT
 698   m68*-next-* | m68k-*-nextstep* )
 699     machine=m68k opsys=nextstep
 700   ;;
 701
 702   ## The complete machine from National Semiconductor
 703   ns32k-ns-genix* )
 704     machine=ns32000 opsys=usg5-2
 705   ;;
 706
 707   ## NCR machines
 708   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 709     machine=tower32 opsys=usg5-2-2
 710   ;;
 711   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 712     machine=tower32v3 opsys=usg5-3
 713   ;;
 714
 715   ## NEC EWS4800
 716   mips-nec-sysv4*)
 717   machine=ews4800 opsys=ux4800
 718   ;;
 719
 720   ## Nixdorf Targon 31
 721   m68*-nixdorf-sysv* )
 722     machine=targon31 opsys=usg5-2-2
 723   ;;
 724
 725   ## Nu (TI or LMI)
 726   m68*-nu-sysv* )
 727     machine=nu opsys=usg5-2
 728   ;;
 729
 730   ## Plexus
 731   m68*-plexus-sysv* )
 732     machine=plexus opsys=usg5-2
 733   ;;
 734
 735   ## PowerPC reference platform
 736   powerpcle-*-solaris2* )
 737     machine=prep
 738     opsys=sol2-5
 739   ;;
 740
 741   ## Pyramid machines
 742   ## I don't really have any idea what sort of processor the Pyramid has,
 743   ## so I'm assuming it is its own architecture.
 744   pyramid-pyramid-bsd* )
 745     machine=pyramid opsys=bsd4-2
 746   ;;
 747
 748   ## Sequent Balance
 749   ns32k-sequent-bsd4.2* )
 750     machine=sequent opsys=bsd4-2
 751   ;;
 752   ns32k-sequent-bsd4.3* )
 753     machine=sequent opsys=bsd4-3
 754   ;;
 755
 756   ## Siemens Nixdorf
 757   mips-siemens-sysv* | mips-sni-sysv*)
 758     machine=mips-siemens opsys=usg5-4
 759     NON_GNU_CC=/usr/ccs/bin/cc
 760     NON_GNU_CPP=/usr/ccs/lib/cpp
 761   ;;
 762
 763   ## Silicon Graphics machines
 764   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 765   m68*-sgi-iris3.5* )
 766     machine=irist opsys=iris3-5
 767   ;;
 768   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 769     machine=irist opsys=iris3-6
 770   ;;
 771   ## Iris 4D
 772   mips-sgi-irix3* )
 773     machine=iris4d opsys=irix3-3
 774   ;;
 775   mips-sgi-irix4* )
 776     machine=iris4d opsys=irix4-0
 777   ;;
 778   mips-sgi-irix6.5 )
 779     machine=iris4d opsys=irix6-5
 780     # Without defining _LANGUAGE_C, things get masked out in the headers
 781     # so that, for instance, grepping for `free' in stdlib.h fails and
 782     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 783     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 784     NON_GCC_TEST_OPTIONS="-n32 -D_LANGUAGE_C"
 785   ;;
 786   mips-sgi-irix6* )
 787     machine=iris4d opsys=irix6-0
 788     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 789     # but presumably it does no harm.
 790     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 791     NON_GCC_TEST_OPTIONS=-32
 792   ;;
 793   mips-sgi-irix5.[01]* )
 794     machine=iris4d opsys=irix5-0
 795   ;;
 796   mips-sgi-irix5* | mips-sgi-irix* )
 797     machine=iris4d opsys=irix5-2
 798   ;;
 799
 800   ## SONY machines
 801   m68*-sony-bsd4.2* )
 802     machine=news opsys=bsd4-2
 803   ;;
 804   m68*-sony-bsd4.3* )
 805     machine=news opsys=bsd4-3
 806   ;;
 807   m68*-sony-newsos3* | m68*-sony-news3*)
 808     machine=news opsys=bsd4-3
 809   ;;
 810   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 811     machine=news-risc opsys=bsd4-3
 812   ;;
 813   mips-sony-newsos6* )
 814     machine=news-r6 opsys=newsos6
 815   ;;
 816   mips-sony-news* )
 817     machine=news-risc opsys=newsos5
 818   ;;
 819
 820   ## Stride
 821   m68*-stride-sysv* )
 822     machine=stride opsys=usg5-2
 823   ;;
 824
 825   ## Suns
 826   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 827     machine=sparc opsys=gnu-linux
 828   ;;
 829
 830   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 831     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 832     | rs6000-*-solaris2*)
 833     case "${canonical}" in
 834       m68*-sunos1* )    machine=sun1 ;;
 835       m68*-sunos2* )    machine=sun2 ;;
 836       m68* )            machine=sun3 ;;
 837       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 838       i[3456]86-*-* )     machine=intel386 ;;
 839       powerpcle* )      machine=powerpcle ;;
 840       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 841       sparc* )          machine=sparc ;;
 842       * )               unported=yes ;;
 843     esac
 844     case "${canonical}" in
 845       ## The Sun386 didn't get past 4.0.
 846       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 847       *-sunos4.0*         ) opsys=sunos4-0 ;;
 848       *-sunos4.1.[3-9]*noshare )
 849                 ## This name is sunos413 instead of sunos4-1-3
 850                 ## to avoid a file name conflict on MSDOS.
 851                 opsys=sunos413
 852                 NON_GNU_CPP=/usr/lib/cpp
 853                 NON_GCC_TEST_OPTIONS=-Bstatic
 854                 GCC_TEST_OPTIONS=-static
 855                 ;;
 856       *-sunos4.1.[3-9]* | *-sunos4shr*)
 857                 opsys=sunos4shr
 858                 NON_GNU_CPP=/usr/lib/cpp
 859                 ;;
 860       *-sunos4* | *-sunos )
 861                 opsys=sunos4-1
 862                 NON_GCC_TEST_OPTIONS=-Bstatic
 863                 GCC_TEST_OPTIONS=-static
 864                 ;;
 865       *-sunos5.3* | *-solaris2.3* )
 866                 opsys=sol2-3
 867                 NON_GNU_CPP=/usr/ccs/lib/cpp
 868                 ;;
 869       *-sunos5.4* | *-solaris2.4* )
 870                 opsys=sol2-4
 871                 NON_GNU_CPP=/usr/ccs/lib/cpp
 872                 RANLIB="ar -ts"
 873                 ;;
 874       *-sunos5.5* | *-solaris2.5* )
 875                 opsys=sol2-5
 876                 NON_GNU_CPP=/usr/ccs/lib/cpp
 877                 RANLIB="ar -ts"
 878                 ;;
 879       *-sunos5* | *-solaris* )
 880                 opsys=sol2-5
 881                 NON_GNU_CPP=/usr/ccs/lib/cpp
 882                 ;;
 883       *                   ) opsys=bsd4-2   ;;
 884     esac
 885     ## Watch out for a compiler that we know will not work.
 886     case "${canonical}" in
 887      *-solaris* | *-sunos5* )
 888                 if [ "x$CC" = x/usr/ucb/cc ]; then
 889                   ## /usr/ucb/cc doesn't work;
 890                   ## we should find some other compiler that does work.
 891                   unset CC
 892                 fi
 893                 ;;
 894       *) ;;
 895     esac
 896   ;;
 897   sparc-*-nextstep* )
 898     machine=sparc opsys=nextstep
 899   ;;
 900
 901   ## Tadpole 68k
 902   m68*-tadpole-sysv* )
 903     machine=tad68k opsys=usg5-3
 904   ;;
 905
 906   ## Tahoe machines
 907   tahoe-tahoe-bsd4.2* )
 908     machine=tahoe opsys=bsd4-2
 909   ;;
 910   tahoe-tahoe-bsd4.3* )
 911     machine=tahoe opsys=bsd4-3
 912   ;;
 913
 914   ## Tandem Integrity S2
 915   mips-tandem-sysv* )
 916     machine=tandem-s2 opsys=usg5-3
 917   ;;
 918
 919   ## Tektronix XD88
 920   m88k-tektronix-sysv3* )
 921   machine=tekxd88 opsys=usg5-3
 922   ;;
 923
 924   ## Tektronix 16000 box (6130?)
 925   ns16k-tektronix-bsd* )
 926     machine=ns16000 opsys=bsd4-2
 927   ;;
 928   ## Tektronix 4300
 929   ## src/m/tek4300.h hints that this is a m68k machine.
 930   m68*-tektronix-bsd* )
 931     machine=tek4300 opsys=bsd4-3
 932   ;;
 933
 934   ## Titan P2 or P3
 935   ## We seem to have lost the machine-description file titan.h!
 936   titan-titan-sysv* )
 937     machine=titan opsys=usg5-3
 938   ;;
 939
 940   ## Ustation E30 (SS5E)
 941   m68*-unisys-uniplus* )
 942     machine=ustation opsystem=unipl5-2
 943   ;;
 944
 945   ## Vaxen.
 946   vax-dec-* )
 947     machine=vax
 948     case "${canonical}" in
 949       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 950       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 951       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 952       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 953       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 954       *-vms* )                                          opsys=vms ;;
 955       * )                                               unported=yes
 956     esac
 957   ;;
 958
 959   ## Whitechapel MG1
 960   ns16k-whitechapel-* )
 961     machine=mg1
 962     ## We don't know what sort of OS runs on these; we'll let the
 963     ## operating system guessing code below try.
 964   ;;
 965
 966   ## Wicat
 967   m68*-wicat-sysv* )
 968     machine=wicat opsys=usg5-2
 969   ;;
 970
 971   ## Intel 386 machines where we don't care about the manufacturer
 972   i[3456]86-*-* )
 973     machine=intel386
 974     case "${canonical}" in
 975       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 976       *-isc2.2* )               opsys=isc2-2 ;;
 977       *-isc4.0* )               opsys=isc4-0 ;;
 978       *-isc4.* )                opsys=isc4-1
 979                                 GCC_TEST_OPTIONS=-posix
 980                                 NON_GCC_TEST_OPTIONS=-Xp
 981                                 ;;
 982       *-isc* )                  opsys=isc3-0 ;;
 983       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 984       *-esix* )                 opsys=esix ;;
 985       *-xenix* )                opsys=xenix ;;
 986       *-linux-gnu* )            opsys=gnu-linux ;;
 987       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 988       *-sco3.2v5* )             opsys=sco5
 989                                 NON_GNU_CPP=/lib/cpp
 990                                 # Prevent -belf from being passed to $CPP.
 991                                 # /lib/cpp does not accept it.
 992                                 OVERRIDE_CPPFLAGS=" "
 993                                 ;;
 994       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 995       *-386bsd* )               opsys=386bsd ;;
 996       *-freebsd* )              opsys=freebsd ;;
 997       *-nextstep* )             opsys=nextstep ;;
 998       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 999     esac
1000   ;;
1001
1002   ## m68k Linux-based GNU system
1003   m68k-*-linux-gnu* )
1004     machine=m68k opsys=gnu-linux
1005   ;;
1006
1007   ## Mips Linux-based GNU system
1008   mips-*-linux-gnu* )
1009     machine=mips opsys=gnu-linux
1010   ;;
1011
1012   ## UXP/DS
1013   sparc-fujitsu-sysv4* )
1014     machine=sparc opsys=uxpds
1015     NON_GNU_CPP=/usr/ccs/lib/cpp
1016     RANLIB="ar -ts"
1017   ;;
1018
1019   ## UXP/V
1020   f301-fujitsu-uxpv4.1)
1021     machine=f301 opsys=uxpv
1022   ;;
1023
1024   * )
1025     unported=yes
1026   ;;
1027 esac
1028
1029 ### If the code above didn't choose an operating system, just choose
1030 ### an operating system based on the configuration name.  You really
1031 ### only want to use this when you have no idea what the right
1032 ### operating system is; if you know what operating systems a machine
1033 ### runs, it's cleaner to make it explicit in the case statement
1034 ### above.
1035 if test x"${opsys}" = x; then
1036   case "${canonical}" in
1037     *-gnu* )                            opsys=gnu ;;
1038     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1039     *-bsd4.2 )                          opsys=bsd4-2 ;;
1040     *-bsd4.3 )                          opsys=bsd4-3 ;;
1041     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1042     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1043     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1044     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1045     *-sysv4.2uw* )                      opsys=unixware ;;
1046     *-sysv4.1* | *-sysvr4.1* )
1047         NON_GNU_CPP=/usr/lib/cpp
1048         opsys=usg5-4 ;;
1049     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1050         if [ x$NON_GNU_CPP = x ]; then
1051           if [ -f /usr/ccs/lib/cpp ]; then
1052             NON_GNU_CPP=/usr/ccs/lib/cpp
1053           else
1054             NON_GNU_CPP=/lib/cpp
1055           fi
1056         fi
1057         opsys=usg5-4-2 ;;
1058     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1059     * )
1060       unported=yes
1061     ;;
1062   esac
1063 fi
1064
1065 changequote([, ])dnl
1066
1067 if test $unported = yes; then
1068   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1069 Check \`etc/MACHINES' for recognized configuration names.])
1070 fi
1071
1072 machfile="m/${machine}.h"
1073 opsysfile="s/${opsys}.h"
1074
1075
1076 #### Choose a compiler.
1077 test -n "$CC" && cc_specified=yes
1078
1079 # Save the value of CFLAGS that the user specified.
1080 SPECIFIED_CFLAGS="$CFLAGS"
1081
1082 case ${with_gcc} in
1083   "yes" ) CC="gcc" GCC=yes ;;
1084   "no"  ) : ${CC=cc} ;;
1085   * ) AC_PROG_CC
1086 esac
1087
1088 # On Suns, sometimes $CPP names a directory.
1089 if test -n "$CPP" && test -d "$CPP"; then
1090   CPP=
1091 fi
1092
1093 #### Some systems specify a CPP to use unless we are using GCC.
1094 #### Now that we know whether we are using GCC, we can decide whether
1095 #### to use that one.
1096 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1097 then
1098   CPP="$NON_GNU_CPP"
1099 fi
1100
1101 #### Some systems specify a CC to use unless we are using GCC.
1102 #### Now that we know whether we are using GCC, we can decide whether
1103 #### to use that one.
1104 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1105   test x$cc_specified != xyes
1106 then
1107   CC="$NON_GNU_CC"
1108 fi
1109
1110 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1111 then
1112   CC="$CC $GCC_TEST_OPTIONS"
1113 fi
1114
1115 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1116 then
1117   CC="$CC $NON_GCC_TEST_OPTIONS"
1118 fi
1119
1120 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1121 then
1122   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1123 fi
1124
1125 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1126 then
1127   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1128 fi
1129
1130 #### Some other nice autoconf tests.  If you add a test here which
1131 #### should make an entry in src/config.h, don't forget to add an
1132 #### #undef clause to src/config.h.in for autoconf to modify.
1133
1134 dnl checks for programs
1135 AC_PROG_LN_S
1136 AC_PROG_CPP
1137 AC_PROG_INSTALL
1138 AC_PROG_YACC
1139 if test "x$RANLIB" = x; then
1140   AC_PROG_RANLIB
1141 fi
1142
1143 dnl checks for Unix variants
1144 AC_AIX
1145
1146 # Sound support for GNU/Linux and the free BSDs.
1147 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1148
1149 dnl checks for header files
1150 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1151   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1152   termcap.h stdio_ext.h)
1153 AC_HEADER_STDC
1154 AC_HEADER_TIME
1155 AC_DECL_SYS_SIGLIST
1156
1157 dnl Some systems have utime.h but don't declare the struct anyplace.
1158 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1159 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1160 #include <sys/time.h>
1161 #include <time.h>
1162 #else
1163 #ifdef HAVE_SYS_TIME_H
1164 #include <sys/time.h>
1165 #else
1166 #include <time.h>
1167 #endif
1168 #endif
1169 #ifdef HAVE_UTIME_H
1170 #include <utime.h>
1171 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1172   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1173 if test $emacs_cv_struct_utimbuf = yes; then
1174   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1175 fi
1176
1177 dnl checks for typedefs
1178 AC_TYPE_SIGNAL
1179
1180 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1181 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1182 #include <sys/time.h>
1183 #include <time.h>
1184 #else
1185 #ifdef HAVE_SYS_TIME_H
1186 #include <sys/time.h>
1187 #else
1188 #include <time.h>
1189 #endif
1190 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1191   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1192 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1193 if test $emacs_cv_struct_timeval = yes; then
1194   AC_DEFINE(HAVE_TIMEVAL)
1195 fi
1196
1197 dnl checks for structure members
1198 AC_STRUCT_TM
1199 AC_STRUCT_TIMEZONE
1200 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1201 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1202   emacs_cv_tm_gmtoff=yes,
1203   emacs_cv_tm_gmtoff=no))
1204 if test $emacs_cv_tm_gmtoff = yes; then
1205   AC_DEFINE(HAVE_TM_GMTOFF)
1206 fi
1207
1208 dnl checks for compiler characteristics
1209
1210 dnl Testing __STDC__ to determine prototype support isn't good enough.
1211 dnl DEC C, for instance, doesn't define it with default options, and
1212 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1213 dnl and void *.
1214 AC_C_PROTOTYPES
1215 AC_C_VOLATILE
1216 AC_C_CONST
1217 dnl This isn't useful because we can't turn on use of `inline' unless
1218 dnl the compiler groks `extern inline'.
1219 dnl AC_C_INLINE
1220 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1221   [AC_TRY_COMPILE(, [void * foo;],
1222                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1223 if test $emacs_cv_void_star = yes; then
1224   AC_DEFINE(POINTER_TYPE, void)
1225 else
1226   AC_DEFINE(POINTER_TYPE, char)
1227 fi
1228
1229 dnl check for Make feature
1230 AC_PROG_MAKE_SET
1231
1232 dnl checks for operating system services
1233 AC_SYS_LONG_FILE_NAMES
1234
1235 #### Choose a window system.
1236
1237 AC_PATH_X
1238 if test "$no_x" = yes; then
1239   window_system=none
1240 else
1241   window_system=x11
1242 fi
1243
1244 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1245   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1246   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1247   x_default_search_path=""
1248   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1249     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1250 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1251 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1252 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1253     if test x"${x_default_search_path}" = x; then
1254       x_default_search_path=${x_search_path}
1255     else
1256       x_default_search_path="${x_search_path}:${x_default_search_path}"
1257     fi
1258   done
1259 fi
1260 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1261   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1262 fi
1263
1264 if test x"${x_includes}" = x; then
1265   bitmapdir=/usr/include/X11/bitmaps
1266 else
1267   # accumulate include directories that have X11 bitmap subdirectories
1268   bmd_acc="dummyval"
1269   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1270     if test -d "${bmd}/X11/bitmaps"; then
1271       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1272     fi
1273     if test -d "${bmd}/bitmaps"; then
1274       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1275     fi
1276   done
1277   if test ${bmd_acc} != "dummyval"; then
1278     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1279   fi
1280 fi
1281
1282 case "${window_system}" in
1283   x11 )
1284     HAVE_X_WINDOWS=yes
1285     HAVE_X11=yes
1286     case "${with_x_toolkit}" in
1287       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1288       motif ) USE_X_TOOLKIT=MOTIF ;;
1289 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1290       no ) USE_X_TOOLKIT=none ;;
1291 dnl If user did not say whether to use a toolkit,
1292 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1293       * ) USE_X_TOOLKIT=maybe ;;
1294     esac
1295   ;;
1296   none )
1297     HAVE_X_WINDOWS=no
1298     HAVE_X11=no
1299     USE_X_TOOLKIT=none
1300   ;;
1301 esac
1302
1303 ### If we're using X11, we should use the X menu package.
1304 HAVE_MENUS=no
1305 case ${HAVE_X11} in
1306   yes ) HAVE_MENUS=yes ;;
1307 esac
1308
1309 if test "${opsys}" = "hpux9"; then
1310   case "${x_libraries}" in
1311     *X11R4* )
1312       opsysfile="s/hpux9-x11r4.h"
1313       ;;
1314   esac
1315 fi
1316
1317 if test "${opsys}" = "hpux9shr"; then
1318   case "${x_libraries}" in
1319     *X11R4* )
1320       opsysfile="s/hpux9shxr4.h"
1321       ;;
1322   esac
1323 fi
1324
1325 #### Extract some information from the operating system and machine files.
1326
1327 AC_CHECKING([the machine- and system-dependent files to find out
1328  - which libraries the lib-src programs will want, and
1329  - whether the GNU malloc routines are usable])
1330
1331 ### First figure out CFLAGS (which we use for running the compiler here)
1332 ### and REAL_CFLAGS (which we use for real compilation).
1333 ### The two are the same except on a few systems, where they are made
1334 ### different to work around various lossages.  For example,
1335 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1336 ### as implying static linking.
1337
1338 ### If the CFLAGS env var is specified, we use that value
1339 ### instead of the default.
1340
1341 ### It's not important that this name contain the PID; you can't run
1342 ### two configures in the same directory and have anything work
1343 ### anyway.
1344 tempcname="conftest.c"
1345
1346 echo '
1347 #include "'${srcdir}'/src/'${opsysfile}'"
1348 #include "'${srcdir}'/src/'${machfile}'"
1349 #ifndef LIBS_MACHINE
1350 #define LIBS_MACHINE
1351 #endif
1352 #ifndef LIBS_SYSTEM
1353 #define LIBS_SYSTEM
1354 #endif
1355 #ifndef C_SWITCH_SYSTEM
1356 #define C_SWITCH_SYSTEM
1357 #endif
1358 #ifndef C_SWITCH_MACHINE
1359 #define C_SWITCH_MACHINE
1360 #endif
1361 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1362 configure___ c_switch_system=C_SWITCH_SYSTEM
1363 configure___ c_switch_machine=C_SWITCH_MACHINE
1364
1365 #ifndef LIB_X11_LIB
1366 #define LIB_X11_LIB -lX11
1367 #endif
1368
1369 #ifndef LIBX11_MACHINE
1370 #define LIBX11_MACHINE
1371 #endif
1372
1373 #ifndef LIBX11_SYSTEM
1374 #define LIBX11_SYSTEM
1375 #endif
1376 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1377
1378 #ifdef UNEXEC
1379 configure___ unexec=UNEXEC
1380 #else
1381 configure___ unexec=unexec.o
1382 #endif
1383
1384 #ifdef SYSTEM_MALLOC
1385 configure___ system_malloc=yes
1386 #else
1387 configure___ system_malloc=no
1388 #endif
1389
1390 #ifndef C_DEBUG_SWITCH
1391 #define C_DEBUG_SWITCH -g
1392 #endif
1393
1394 #ifndef C_OPTIMIZE_SWITCH
1395 #ifdef __GNUC__
1396 #define C_OPTIMIZE_SWITCH -O2
1397 #else
1398 #define C_OPTIMIZE_SWITCH -O
1399 #endif
1400 #endif
1401
1402 #ifndef LD_SWITCH_MACHINE
1403 #define LD_SWITCH_MACHINE
1404 #endif
1405
1406 #ifndef LD_SWITCH_SYSTEM
1407 #define LD_SWITCH_SYSTEM
1408 #endif
1409
1410 #ifndef LD_SWITCH_X_SITE_AUX
1411 #define LD_SWITCH_X_SITE_AUX
1412 #endif
1413
1414 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1415 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1416
1417 #ifdef THIS_IS_CONFIGURE
1418
1419 /* Get the CFLAGS for tests in configure.  */
1420 #ifdef __GNUC__
1421 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1422 #else
1423 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1424 #endif
1425
1426 #else /* not THIS_IS_CONFIGURE */
1427
1428 /* Get the CFLAGS for real compilation.  */
1429 #ifdef __GNUC__
1430 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1431 #else
1432 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1433 #endif
1434
1435 #endif /* not THIS_IS_CONFIGURE */
1436 ' > ${tempcname}
1437
1438 # The value of CPP is a quoted variable reference, so we need to do this
1439 # to get its actual value...
1440 CPP=`eval "echo $CPP"`
1441 changequote(, )dnl
1442 eval `${CPP} -Isrc ${tempcname} \
1443        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1444 if test "x$SPECIFIED_CFLAGS" = x; then
1445   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1446          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1447 else
1448   REAL_CFLAGS="$CFLAGS"
1449 fi
1450 changequote([, ])dnl
1451 rm ${tempcname}
1452
1453 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1454
1455 ### Compute the unexec source name from the object name.
1456 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1457
1458 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1459 # Assume not, until told otherwise.
1460 GNU_MALLOC=yes
1461 doug_lea_malloc=yes
1462 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1463 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1464 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1465                emacs_cv_var___after_morecore_hook,
1466 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1467   emacs_cv_var___after_morecore_hook=yes,
1468   emacs_cv_var___after_morecore_hook=no))
1469 if test $emacs_cv_var___after_morecore_hook = no; then
1470   doug_lea_malloc=no
1471 fi
1472 if test "${system_malloc}" = "yes"; then
1473   GNU_MALLOC=no
1474   GNU_MALLOC_reason="
1475     (The GNU allocators don't work with this system configuration.)"
1476 fi
1477 if test "$doug_lea_malloc" = "yes" ; then
1478   if test "$GNU_MALLOC" = yes ; then
1479     GNU_MALLOC_reason="
1480       (Using Doug Lea's new malloc from the GNU C Library.)"
1481   fi
1482   AC_DEFINE(DOUG_LEA_MALLOC)
1483 fi
1484
1485 if test x"${REL_ALLOC}" = x; then
1486   REL_ALLOC=${GNU_MALLOC}
1487 fi
1488
1489 #### Add the libraries to LIBS and check for some functions.
1490
1491 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1492   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1493 else
1494   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1495 fi
1496
1497 LIBS="$libsrc_libs $LIBS"
1498
1499 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1500 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1501 AC_CHECK_LIB(dnet, dnet_ntoa)
1502 dnl This causes -lresolv to get used in subsequent tests,
1503 dnl which causes failures on some systems such as HPUX 9.
1504 dnl AC_CHECK_LIB(resolv, gethostbyname)
1505
1506 dnl FIXME replace main with a function we actually want from this library.
1507 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1508
1509 AC_CHECK_LIB(pthreads, cma_open)
1510
1511 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1512 if test -d /usr/X386/include; then
1513   HAVE_XFREE386=yes
1514   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1515 else
1516   HAVE_XFREE386=no
1517 fi
1518 AC_MSG_RESULT($HAVE_XFREE386)
1519
1520 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1521 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1522
1523 if test "${HAVE_X11}" = "yes"; then
1524   DEFS="$C_SWITCH_X_SITE $DEFS"
1525   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1526   LIBS="$LIBX $LIBS"
1527   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1528
1529   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1530   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1531   # but it's more convenient here to set LD_RUN_PATH
1532   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1533   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1534     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1535     export LD_RUN_PATH
1536   fi
1537
1538   if test "${opsys}" = "gnu-linux"; then
1539     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1540     AC_TRY_LINK([],
1541      [XOpenDisplay ("foo");],
1542      [xlinux_first_failure=no],
1543      [xlinux_first_failure=yes])
1544     if test "${xlinux_first_failure}" = "yes"; then
1545       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1546       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1547       OLD_CPPFLAGS="$CPPFLAGS"
1548       OLD_LIBS="$LIBS"
1549       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1550       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1551       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1552       LIBS="$LIBS -b i486-linuxaout"
1553       AC_TRY_LINK([],
1554        [XOpenDisplay ("foo");],
1555        [xlinux_second_failure=no],
1556        [xlinux_second_failure=yes])
1557       if test "${xlinux_second_failure}" = "yes"; then
1558         # If we get the same failure with -b, there is no use adding -b.
1559         # So take it out.  This plays safe.
1560         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1561         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1562         CPPFLAGS="$OLD_CPPFLAGS"
1563         LIBS="$OLD_LIBS"
1564         AC_MSG_RESULT(no)
1565       else
1566         AC_MSG_RESULT(yes)
1567       fi
1568     else
1569       AC_MSG_RESULT(no)
1570     fi
1571   fi
1572
1573   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1574 XScreenNumberOfScreen XSetWMProtocols)
1575 fi
1576
1577 if test "${window_system}" = "x11"; then
1578   AC_MSG_CHECKING(X11 version 6)
1579   AC_CACHE_VAL(emacs_cv_x11_version_6,
1580   AC_TRY_LINK([#include <X11/Xlib.h>],
1581 [#if XlibSpecificationRelease < 6
1582 fail;
1583 #endif
1584 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1585   if test $emacs_cv_x11_version_6 = yes; then
1586     AC_MSG_RESULT(6 or newer)
1587     AC_DEFINE(HAVE_X11R6)
1588   else
1589     AC_MSG_RESULT(before 6)
1590   fi
1591 fi
1592
1593 if test "${window_system}" = "x11"; then
1594   AC_MSG_CHECKING(X11 version 5)
1595   AC_CACHE_VAL(emacs_cv_x11_version_5,
1596   AC_TRY_LINK([#include <X11/Xlib.h>],
1597 [#if XlibSpecificationRelease < 5
1598 fail;
1599 #endif
1600 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1601   if test $emacs_cv_x11_version_5 = yes; then
1602     AC_MSG_RESULT(5 or newer)
1603     HAVE_X11R5=yes
1604     AC_DEFINE(HAVE_X11R5)
1605   else
1606     HAVE_X11R5=no
1607     AC_MSG_RESULT(before 5)
1608   fi
1609 fi
1610
1611 dnl Do not put whitespace before the #include statements below.
1612 dnl Older compilers (eg sunos4 cc) choke on it.
1613 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1614   if test x"${HAVE_X11R5}" = xyes; then
1615     AC_MSG_CHECKING(X11 version 5 with Xaw)
1616     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1617     AC_TRY_LINK([
1618 #include <X11/Intrinsic.h>
1619 #include <X11/Xaw/Simple.h>],
1620       [],
1621       emacs_cv_x11_version_5_with_xaw=yes,
1622       emacs_cv_x11_version_5_with_xaw=no))
1623     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1624       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1625       USE_X_TOOLKIT=LUCID
1626     else
1627       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1628       USE_X_TOOLKIT=none
1629     fi
1630   else
1631     USE_X_TOOLKIT=none
1632   fi
1633 fi
1634
1635 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1636
1637 if test "${USE_X_TOOLKIT}" != "none"; then
1638   AC_MSG_CHECKING(X11 toolkit version)
1639   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1640   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1641 [#if XtSpecificationRelease < 6
1642 fail;
1643 #endif
1644 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1645   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1646   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1647     AC_MSG_RESULT(6 or newer)
1648     AC_DEFINE(HAVE_X11XTR6)
1649   else
1650     AC_MSG_RESULT(before 6)
1651   fi
1652
1653 dnl If using toolkit, check whether libXmu.a exists.
1654 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1655   OLDLIBS="$LIBS"
1656   if test x$HAVE_X11XTR6 = xyes; then
1657     LIBS="-lXt -lSM -lICE $LIBS"
1658   else
1659     LIBS="-lXt $LIBS"
1660   fi
1661   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1662   LIBS="$OLDLIBS"
1663 fi
1664
1665 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1666   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1667   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1668     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1669 int x = 5;
1670 #else
1671 Motif version prior to 2.1.
1672 #endif],
1673     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1674   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1675   if test $emacs_cv_motif_version_2_1 = yes; then
1676     AC_DEFINE(HAVE_MOTIF_2_1)
1677     AC_CHECK_LIB(Xp, XpCreateContext)
1678   fi
1679 fi
1680
1681 ### Is -lXaw3d available?
1682 HAVE_XAW3D=no
1683 if test "${HAVE_X11}" = "yes"; then
1684   if test "${USE_X_TOOLKIT}" != "none"; then
1685     old_c_flags="${CFLAGS}"
1686     CFLAGS="${LD_SWITCH_X_SITE}"
1687     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1688         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1689     CFLAGS="${old_c_flags}"
1690
1691     if test "${HAVE_XAW3D}" = "yes"; then
1692         AC_DEFINE(HAVE_XAW3D)
1693     fi
1694   fi
1695 fi
1696
1697 dnl Use toolkit scroll bars if configured for X toolkit and either
1698 dnl using Motif or Xaw3d is available, and unless
1699 dnl --with-toolkit-scroll-bars=no was specified.
1700
1701 USE_TOOLKIT_SCROLL_BARS=no
1702 if test "${with_toolkit_scroll_bars}" != "no"; then
1703   if test "${USE_X_TOOLKIT}" != "none"; then
1704     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1705       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1706       HAVE_XAW3D=no
1707       USE_TOOLKIT_SCROLL_BARS=yes
1708     elif test "${HAVE_XAW3D}" = "yes"; then
1709       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1710       USE_TOOLKIT_SCROLL_BARS=yes
1711     fi
1712   fi
1713 fi
1714
1715 ### Use -lXpm if available, unless `--with-xpm=no'.
1716 HAVE_XPM=no
1717 if test "${HAVE_X11}" = "yes"; then
1718   if test "${with_xpm}" != "no"; then
1719     old_c_flags="${CFLAGS}"
1720     CFLAGS="${LD_SWITCH_X_SITE}"
1721     AC_CHECK_HEADER(X11/xpm.h,
1722       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1723     CFLAGS="${old_c_flags}"
1724   fi
1725
1726   if test "${HAVE_XPM}" = "yes"; then
1727     AC_DEFINE(HAVE_XPM)
1728   fi
1729 fi
1730
1731 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1732 HAVE_JPEG=no
1733 if test "${HAVE_X11}" = "yes"; then
1734   if test "${with_jpeg}" != "no"; then
1735     old_c_flags="${CFLAGS}"
1736     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1737     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1738     dnl  HAVE_STDLIB_H.
1739     AC_CHECK_HEADER(jerror.h,
1740       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
1741     CFLAGS="${old_c_flags}"
1742   fi
1743
1744   if test "${HAVE_JPEG}" = "yes"; then
1745     AC_DEFINE(HAVE_JPEG)
1746   fi
1747 fi
1748
1749 ### Use -lpng if available, unless `--with-png=no'.
1750 HAVE_PNG=no
1751 if test "${HAVE_X11}" = "yes"; then
1752   if test "${with_png}" != "no"; then
1753     old_c_flags="${CFLAGS}"
1754     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1755     AC_CHECK_HEADER(png.h,
1756       AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1757     CFLAGS="${old_c_flags}"
1758   fi
1759
1760   if test "${HAVE_PNG}" = "yes"; then
1761     AC_DEFINE(HAVE_PNG)
1762   fi
1763 fi
1764
1765 ### Use -ltiff if available, unless `--with-tiff=no'.
1766 HAVE_TIFF=no
1767 if test "${HAVE_X11}" = "yes"; then
1768   if test "${with_tiff}" != "no"; then
1769     old_c_flags="${CFLAGS}"
1770     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1771     AC_CHECK_HEADER(tiffio.h,
1772       tifflibs="-lX11 -lz -lm"
1773       # At least one tiff package requires the jpeg library.
1774       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1775       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1776     CFLAGS="${old_c_flags}"
1777   fi
1778
1779   if test "${HAVE_TIFF}" = "yes"; then
1780     AC_DEFINE(HAVE_TIFF)
1781   fi
1782 fi
1783
1784 ### Use -lgif if available, unless `--with-gif=no'.
1785 HAVE_GIF=no
1786 if test "${HAVE_X11}" = "yes"; then
1787   if test "${with_gif}" != "no"; then
1788     old_c_flags="${CFLAGS}"
1789     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1790     AC_CHECK_HEADER(gif_lib.h,
1791       AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes, , -lX11))
1792     CFLAGS="${old_c_flags}"
1793   fi
1794
1795   if test "${HAVE_GIF}" = "yes"; then
1796     AC_DEFINE(HAVE_GIF)
1797   fi
1798 fi
1799
1800 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1801 AC_CACHE_CHECK(whether netdb declares h_errno,
1802                emacs_cv_netdb_declares_h_errno,
1803 AC_TRY_LINK([#include <netdb.h>],
1804   [return h_errno;],
1805   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1806 if test $emacs_cv_netdb_declares_h_errno = yes; then
1807   AC_DEFINE(HAVE_H_ERRNO)
1808 fi
1809
1810 AC_FUNC_ALLOCA
1811
1812 # fmod, logb, and frexp are found in -lm on most systems.
1813 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1814 AC_CHECK_LIB(m, sqrt)
1815
1816 # Check for mail-locking functions in a "mail" library
1817 AC_CHECK_LIB(mail, maillock)
1818 dnl Debian, at least:
1819 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1820 AC_CHECK_LIB(lockfile, maillock)
1821 # If we have the shared liblockfile, assume we must use it for mail
1822 # locking (e.g. Debian).  If we couldn't link against liblockfile
1823 # (no liblockfile.a installed), ensure that we don't need to.
1824 if test "$ac_cv_lib_lockfile_maillock" = no; then
1825   dnl This works for files generally, not just executables.
1826   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1827   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1828                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1829   if test $ac_cv_prog_liblockfile = yes; then
1830     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1831 This probably means that movemail could lose mail.
1832 There may be a \`development' package to install containing liblockfile.])
1833   else AC_DEFINE(LIBMAIL, -llockfile)
1834   fi
1835   else :
1836 fi
1837 AC_CHECK_FUNCS(touchlock)
1838 AC_CHECK_HEADERS(maillock.h)
1839
1840 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1841 rename closedir mkdir rmdir sysinfo \
1842 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1843 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1844 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo \
1845 __fpending ftello getloadavg mblen mbrlen strsignal setitimer ualarm)
1846
1847 # Check this now, so that we will NOT find the above functions in ncurses.
1848 # That is because we have not set up to link ncurses in lib-src.
1849 # It's better to believe a function is not available
1850 # than to expect to find it in ncurses.
1851 AC_CHECK_LIB(ncurses, tparm)
1852
1853 # These tell us which Kerberos-related libraries to use.
1854 if test "${with_kerberos+set}" = set; then
1855   AC_CHECK_LIB(com_err, com_err)
1856   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1857   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1858   AC_CHECK_LIB(krb5, krb5_init_context)
1859   if test "${with_kerberos5+set}" != set; then
1860     AC_CHECK_LIB(des425, des_cbc_encrypt,,
1861                  AC_CHECK_LIB(des, des_cbc_encrypt))
1862     AC_CHECK_LIB(krb4, krb_get_cred,,
1863                  AC_CHECK_LIB(krb, krb_get_cred))
1864   fi
1865
1866   if test "${with_kerberos5+set}" = set; then
1867     AC_CHECK_HEADERS(krb5.h)
1868   else
1869     AC_CHECK_HEADERS(des.h,,
1870                      AC_CHECK_HEADERS(kerberosIV/des.h,,
1871                                       AC_CHECK_HEADERS(kerberos/des.h)))
1872     AC_CHECK_HEADERS(krb.h,,
1873                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
1874                                       AC_CHECK_HEADERS(kerberos/krb.h)))
1875   fi
1876   AC_CHECK_HEADERS(com_err.h)
1877 fi
1878
1879 # Solaris requires -lintl if you want strerror (which calls dgettext)
1880 # to return localized messages.
1881 AC_CHECK_LIB(intl, dgettext)
1882
1883 AC_MSG_CHECKING(whether localtime caches TZ)
1884 AC_CACHE_VAL(emacs_cv_localtime_cache,
1885 [if test x$ac_cv_func_tzset = xyes; then
1886 AC_TRY_RUN([#include <time.h>
1887 extern char **environ;
1888 unset_TZ ()
1889 {
1890   char **from, **to;
1891   for (to = from = environ; (*to = *from); from++)
1892     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1893       to++;
1894 }
1895 char TZ_GMT0[] = "TZ=GMT0";
1896 char TZ_PST8[] = "TZ=PST8";
1897 main()
1898 {
1899   time_t now = time ((time_t *) 0);
1900   int hour_GMT0, hour_unset;
1901   if (putenv (TZ_GMT0) != 0)
1902     exit (1);
1903   hour_GMT0 = localtime (&now)->tm_hour;
1904   unset_TZ ();
1905   hour_unset = localtime (&now)->tm_hour;
1906   if (putenv (TZ_PST8) != 0)
1907     exit (1);
1908   if (localtime (&now)->tm_hour == hour_GMT0)
1909     exit (1);
1910   unset_TZ ();
1911   if (localtime (&now)->tm_hour != hour_unset)
1912     exit (1);
1913   exit (0);
1914 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1915 [# If we have tzset, assume the worst when cross-compiling.
1916 emacs_cv_localtime_cache=yes])
1917 else
1918         # If we lack tzset, report that localtime does not cache TZ,
1919         # since we can't invalidate the cache if we don't have tzset.
1920         emacs_cv_localtime_cache=no
1921 fi])dnl
1922 AC_MSG_RESULT($emacs_cv_localtime_cache)
1923 if test $emacs_cv_localtime_cache = yes; then
1924   AC_DEFINE(LOCALTIME_CACHE)
1925 fi
1926
1927 if test "x$HAVE_TIMEVAL" = xyes; then
1928 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1929                emacs_cv_gettimeofday_two_arguments,
1930 AC_TRY_LINK([
1931 #ifdef TIME_WITH_SYS_TIME
1932 #include <sys/time.h>
1933 #include <time.h>
1934 #else
1935 #ifdef HAVE_SYS_TIME_H
1936 #include <sys/time.h>
1937 #else
1938 #include <time.h>
1939 #endif
1940 #endif
1941   ],
1942   [
1943   struct timeval time;
1944   struct timezone dummy;
1945   gettimeofday (&time, &dummy);
1946 ],
1947   emacs_cv_gettimeofday_two_arguments=yes,
1948   emacs_cv_gettimeofday_two_arguments=no))
1949   if test $emacs_cv_gettimeofday_two_arguments = no; then
1950     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1951   fi
1952 fi
1953
1954 ok_so_far=yes
1955 AC_CHECK_FUNC(socket, , ok_so_far=no)
1956 if test $ok_so_far = yes; then
1957   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1958 fi
1959 if test $ok_so_far = yes; then
1960   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1961 fi
1962 if test $ok_so_far = yes; then
1963   AC_DEFINE(HAVE_INET_SOCKETS)
1964 fi
1965
1966 if test -f /usr/lpp/X11/bin/smt.exp; then
1967   AC_DEFINE(HAVE_AIX_SMT_EXP)
1968 fi
1969
1970 AC_MSG_CHECKING(whether system supports dynamic ptys)
1971 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
1972   AC_MSG_RESULT(yes)
1973   AC_DEFINE(HAVE_DEV_PTMX)
1974 else
1975   AC_MSG_RESULT(no)
1976 fi
1977
1978 AC_FUNC_VFORK
1979
1980 # Set up the CFLAGS for real compilation, so we can substitute it.
1981 CFLAGS="$REAL_CFLAGS"
1982
1983 changequote(, )dnl
1984 #### Find out which version of Emacs this is.
1985 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1986          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1987 changequote([, ])dnl
1988 if test x"${version}" = x; then
1989   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1990 fi
1991
1992 ### Specify what sort of things we'll be editing into Makefile and config.h.
1993 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1994 AC_SUBST(version)
1995 AC_SUBST(configuration)
1996 AC_SUBST(canonical)
1997 AC_SUBST(srcdir)
1998 AC_SUBST(prefix)
1999 AC_SUBST(exec_prefix)
2000 AC_SUBST(bindir)
2001 AC_SUBST(datadir)
2002 AC_SUBST(sharedstatedir)
2003 AC_SUBST(libexecdir)
2004 AC_SUBST(mandir)
2005 AC_SUBST(infodir)
2006 AC_SUBST(lispdir)
2007 AC_SUBST(locallisppath)
2008 AC_SUBST(lisppath)
2009 AC_SUBST(x_default_search_path)
2010 AC_SUBST(etcdir)
2011 AC_SUBST(archlibdir)
2012 AC_SUBST(docdir)
2013 AC_SUBST(bitmapdir)
2014 AC_SUBST(c_switch_system)
2015 AC_SUBST(c_switch_machine)
2016 AC_SUBST(LD_SWITCH_X_SITE)
2017 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2018 AC_SUBST(C_SWITCH_X_SITE)
2019 AC_SUBST(CFLAGS)
2020 AC_SUBST(X_TOOLKIT_TYPE)
2021 AC_SUBST(machfile)
2022 AC_SUBST(opsysfile)
2023
2024 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2025 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2026 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2027 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2028 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2029 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2030 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2031 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2032
2033 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2034   AC_DEFINE(HAVE_X_WINDOWS)
2035 fi
2036 if test "${USE_X_TOOLKIT}" != "none" ; then
2037   AC_DEFINE(USE_X_TOOLKIT)
2038 fi
2039 if test "${HAVE_X11}" = "yes" ; then
2040   AC_DEFINE(HAVE_X11)
2041 fi
2042 if test "${HAVE_XFREE386}" = "yes" ; then
2043   AC_DEFINE(HAVE_XFREE386)
2044 fi
2045 if test "${HAVE_MENUS}" = "yes" ; then
2046   AC_DEFINE(HAVE_MENUS)
2047 fi
2048 if test "${GNU_MALLOC}" = "yes" ; then
2049   AC_DEFINE(GNU_MALLOC)
2050 fi
2051 if test "${REL_ALLOC}" = "yes" ; then
2052   AC_DEFINE(REL_ALLOC)
2053 fi
2054
2055 #### Report on what we decided to do.
2056 echo "
2057 Configured for \`${canonical}'.
2058
2059   Where should the build process find the source code?    ${srcdir}
2060   What operating system and machine description files should Emacs use?
2061         \`${opsysfile}' and \`${machfile}'
2062   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2063   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2064   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
2065   What window system should Emacs use?                    ${window_system}
2066   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2067
2068 if test -n "${x_includes}"; then
2069 echo "  Where do we find X Windows header files?                ${x_includes}"
2070 else
2071 echo "  Where do we find X Windows header files?                Standard dirs"
2072 fi
2073 if test -n "${x_libraries}"; then
2074 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2075 else
2076 echo "  Where do we find X Windows libraries?                   Standard dirs"
2077 fi
2078
2079 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2080 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2081 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2082 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2083 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2084 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2085 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2086 echo
2087
2088 # Remove any trailing slashes in these variables.
2089 changequote(, )dnl
2090 test "${prefix}" != NONE &&
2091   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2092 test "${exec_prefix}" != NONE &&
2093   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2094 changequote([, ])dnl
2095
2096 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2097         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2098         leim/Makefile, [
2099
2100 ### Make the necessary directories, if they don't exist.
2101 for dir in etc lisp ; do
2102   test -d ${dir} || mkdir ${dir}
2103 done
2104
2105 # Build src/Makefile from ${srcdir}/src/Makefile.c
2106 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2107 # This must be done after src/config.h is built, since we rely on that file.
2108
2109 changequote(, )dnl The horror, the horror.
2110 # Now get this: Some word that is part of the ${srcdir} directory name
2111 # or the ${configuration} value might, just might, happen to be an
2112 # identifier like `sun4' or `i386' or something, and be predefined by
2113 # the C preprocessor to some helpful value like 1, or maybe the empty
2114 # string.  Needless to say consequent macro substitutions are less
2115 # than conducive to the makefile finding the correct directory.
2116 undefs="`echo $top_srcdir $configuration $canonical |
2117 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2118     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2119 `"
2120 changequote([, ])dnl
2121
2122 echo creating src/epaths.h
2123 make epaths-force
2124
2125 echo creating lib-src/Makefile
2126 ( cd lib-src
2127   rm -f junk.c junk1.c junk2.c
2128   sed -e '/start of cpp stuff/q' \
2129       < Makefile.c > junk1.c
2130   sed -e '1,/start of cpp stuff/d'\
2131       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2132       < Makefile.c > junk.c
2133   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2134       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2135   cat junk1.c junk2.c > Makefile.new
2136   rm -f junk.c junk1.c junk2.c
2137   chmod 444 Makefile.new
2138   mv -f Makefile.new Makefile
2139 )
2140
2141 echo creating src/Makefile
2142 ( cd src
2143   rm -f junk.c junk1.c junk2.c
2144   sed -e '/start of cpp stuff/q' \
2145       < Makefile.c > junk1.c
2146   sed -e '1,/start of cpp stuff/d'\
2147       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2148       < Makefile.c > junk.c
2149   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2150       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2151   cat junk1.c junk2.c > Makefile.new
2152   rm -f junk.c junk1.c junk2.c
2153   chmod 444 Makefile.new
2154   mv -f Makefile.new Makefile
2155 )
2156
2157 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2158   echo creating src/.gdbinit
2159   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2160 fi
2161
2162 # This is how we know whether to re-run configure in certain cases.
2163 touch src/config.stamp
2164
2165 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])