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
  97                           don't use Motif or Xaw3d scroll bars])
  98
  99 #### Make srcdir absolute, if it isn't already.  It's important to
 100 #### avoid running the path through pwd unnecessary, since pwd can
 101 #### give you automounter prefixes, which can go away.  We do all this
 102 #### so Emacs can find its files when run uninstalled.
 103 case "${srcdir}" in
 104   /* ) ;;
 105   . )
 106     ## We may be able to use the $PWD environment variable to make this
 107     ## absolute.  But sometimes PWD is inaccurate.
 108     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 109     unset CDPATH
 110     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
 111     then
 112       srcdir="$PWD"
 113     else
 114       srcdir="`(cd ${srcdir}; pwd)`"
 115     fi
 116   ;;
 117   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 118 esac
 119
 120 #### Check if the source directory already has a configured system in it.
 121 if test `pwd` != `(cd ${srcdir} && pwd)` \
 122    && test -f "${srcdir}/src/config.h" ; then
 123   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 124    as a build directory right now; it has been configured in its own
 125    right.  To configure in another directory as well, you MUST
 126    use GNU make.  If you do not have GNU make, then you must
 127    now do \`make distclean' in ${srcdir},
 128    and then run $0 again.])
 129
 130 changequote(, )dnl
 131   extrasub='/^VPATH[     ]*=/c\
 132 changequote([, ])dnl
 133 vpath %.c $(srcdir)\
 134 vpath %.h $(srcdir)\
 135 vpath %.y $(srcdir)\
 136 vpath %.l $(srcdir)\
 137 vpath %.s $(srcdir)\
 138 vpath %.in $(srcdir)\
 139 vpath %.texi $(srcdir)'
 140 fi
 141
 142 #### Given the configuration name, set machfile and opsysfile to the
 143 #### names of the m/*.h and s/*.h files we should use.
 144
 145 ### Canonicalize the configuration name.
 146
 147 AC_CANONICAL_HOST
 148 canonical=$host
 149 configuration=$host_alias
 150
 151 changequote(, )dnl
 152
 153 ### If you add support for a new configuration, add code to this
 154 ### switch statement to recognize your configuration name and select
 155 ### the appropriate operating system and machine description files.
 156
 157 ### You would hope that you could choose an m/*.h file pretty much
 158 ### based on the machine portion of the configuration name, and an s-
 159 ### file based on the operating system portion.  However, it turns out
 160 ### that each m/*.h file is pretty manufacturer-specific - for
 161 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 162 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 163 ### machines.  So we basically have to have a special case for each
 164 ### configuration name.
 165 ###
 166 ### As far as handling version numbers on operating systems is
 167 ### concerned, make sure things will fail in a fixable way.  If
 168 ### /etc/MACHINES doesn't say anything about version numbers, be
 169 ### prepared to handle anything reasonably.  If version numbers
 170 ### matter, be sure /etc/MACHINES says something about it.
 171 ###
 172 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 173 ### "System V Release 4"; he writes, "The old convention encouraged
 174 ### confusion between `system' and `release' levels'."
 175
 176 machine='' opsys='' unported=no
 177 case "${canonical}" in
 178
 179   ## NetBSD ports
 180   *-*-netbsd* )
 181     opsys=netbsd
 182     case "${canonical}" in
 183       alpha*-*-netbsd*) machine=alpha ;;
 184       i[3456]86-*-netbsd*) machine=intel386 ;;
 185       m68k-*-netbsd*)
 186                         # This is somewhat bogus.
 187                         machine=hp9000s300 ;;
 188       powerpc-apple-netbsd*) machine=macppc ;;
 189       mips-*-netbsd*)   machine=pmax ;;
 190       mipsel-*-netbsd*) machine=pmax ;;
 191       ns32k-*-netbsd*)  machine=ns32000 ;;
 192       powerpc-*-netbsd*) machine=macppc ;;
 193       sparc-*-netbsd*)  machine=sparc ;;
 194       vax-*-netbsd*)    machine=vax ;;
 195       arm-*-netbsd*)    machine=arm ;;
 196     esac
 197   ;;
 198
 199   ## OpenBSD ports
 200   *-*-openbsd* )
 201     opsys=openbsd
 202     case "${canonical}" in
 203       alpha*-*-openbsd*)        machine=alpha ;;
 204       i386-*-openbsd*)  machine=intel386 ;;
 205       m68k-*-openbsd*)  machine=hp9000s300 ;;
 206       mipsel-*-openbsd*) machine=pmax ;;
 207       ns32k-*-openbsd*) machine=ns32000 ;;
 208       sparc-*-openbsd*) machine=sparc ;;
 209       vax-*-openbsd*)   machine=vax ;;
 210     esac
 211   ;;
 212
 213   ## Acorn RISCiX:
 214   arm-acorn-riscix1.1* )
 215     machine=acorn opsys=riscix1-1
 216   ;;
 217   arm-acorn-riscix1.2* | arm-acorn-riscix )
 218     ## This name is riscix12 instead of riscix1.2
 219     ## to avoid a file name conflict on MSDOS.
 220     machine=acorn opsys=riscix12
 221   ;;
 222
 223   ## BSDI ports
 224   *-*-bsdi* )
 225     opsys=bsdi
 226     case "${canonical}" in
 227       i[345]86-*-bsdi*) machine=intel386 ;;
 228       sparc-*-bsdi*)  machine=sparc ;;
 229       powerpc-*-bsdi*)  machine=powerpc ;;
 230     esac
 231     case "${canonical}" in
 232       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 233       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 234       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 235       *-*-bsdi3* )              opsys=bsdos3 ;;
 236       *-*-bsdi4* )              opsys=bsdos4 ;;
 237     esac
 238   ;;
 239
 240   ## Alliant machines
 241   ## Strictly speaking, we need the version of the alliant operating
 242   ## system to choose the right machine file, but currently the
 243   ## configuration name doesn't tell us enough to choose the right
 244   ## one; we need to give alliants their own operating system name to
 245   ## do this right.  When someone cares, they can help us.
 246   fx80-alliant-* )
 247     machine=alliant4 opsys=bsd4-2
 248   ;;
 249   i860-alliant-* )
 250     machine=alliant-2800 opsys=bsd4-3
 251   ;;
 252
 253   ## Alpha (DEC) machines.
 254   alpha*-dec-osf* )
 255     machine=alpha opsys=osf1
 256     # This is needed to find X11R6.1 libraries for certain tests.
 257     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 258     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 259     case "${canonical}" in
 260     # This is necessary on 5.0 to avoid mangling src/Makefile.
 261     # Separated out in case it causes problems on earlier versions.
 262     alpha*-dec-osf[5-9]*)
 263       NON_GNU_CPP='cc -E -std0' ;;
 264     esac
 265   ;;
 266
 267   alpha*-*-linux-gnu* )
 268     machine=alpha opsys=gnu-linux
 269   ;;
 270
 271   arm*-*-linux-gnu* )
 272     machine=arm opsys=gnu-linux
 273   ;;
 274
 275   ppc-*-linux | \
 276   powerpc-*-linux* )
 277     machine=powerpc opsys=gnu-linux
 278   ;;
 279
 280   ## Altos 3068
 281   m68*-altos-sysv* )
 282     machine=altos opsys=usg5-2
 283   ;;
 284
 285   ## Amdahl UTS
 286   580-amdahl-sysv* )
 287     machine=amdahl opsys=usg5-2-2
 288   ;;
 289
 290   ## Apollo, Domain/OS
 291   m68*-apollo-* )
 292     machine=apollo opsys=bsd4-3
 293   ;;
 294
 295   ## AT&T 3b2, 3b5, 3b15, 3b20
 296   we32k-att-sysv* )
 297     machine=att3b opsys=usg5-2-2
 298   ;;
 299
 300   ## AT&T 3b1 - The Mighty Unix PC!
 301   m68*-att-sysv* )
 302     machine=7300 opsys=usg5-2-2
 303   ;;
 304
 305   ## Bull dpx20
 306   rs6000-bull-bosx* )
 307     machine=ibmrs6000 opsys=aix3-2
 308   ;;
 309
 310   ## Bull dpx2
 311   m68*-bull-sysv3* )
 312     machine=dpx2 opsys=usg5-3
 313   ;;
 314
 315   ## Bull sps7
 316   m68*-bull-sysv2* )
 317     machine=sps7 opsys=usg5-2
 318   ;;
 319
 320   ## CCI 5/32, 6/32 -- see "Tahoe".
 321
 322   ## Celerity
 323   ## I don't know what configuration name to use for this; config.sub
 324   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 325   ## in touch with us!
 326   celerity-celerity-bsd* )
 327     machine=celerity opsys=bsd4-2
 328   ;;
 329
 330   ## Clipper
 331   ## What operating systems does this chip run that Emacs has been
 332   ## tested on?
 333   clipper-* )
 334     machine=clipper
 335     ## We'll use the catch-all code at the bottom to guess the
 336     ## operating system.
 337   ;;
 338
 339   ## Convex
 340   *-convex-bsd* | *-convex-convexos* )
 341     machine=convex opsys=bsd4-3
 342     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 343     NON_GNU_CPP="cc -E -P"
 344   ;;
 345
 346   ## Cubix QBx/386
 347   i[3456]86-cubix-sysv* )
 348     machine=intel386 opsys=usg5-3
 349   ;;
 350
 351   ## Cydra 5
 352   cydra*-cydrome-sysv* )
 353     machine=cydra5 opsys=usg5-3
 354   ;;
 355
 356   ## Data General AViiON Machines
 357   ## DG changed naming conventions with the release of 5.4.4.10, they
 358   ## dropped the initial 5.4 but left the intervening R.  Because of the
 359   ## R this shouldn't conflict with older versions of the OS (which I
 360   ## think were named like dgux4.*). In addition, DG new AViiONs series
 361   ## uses either Motorola M88k or Intel Pentium CPUs.
 362   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 363     machine=aviion opsys=dgux4
 364   ;;
 365   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 366     ## This name is dgux5-4-3 instead of dgux5-4r3
 367     ## to avoid a file name conflict on MSDOS.
 368     machine=aviion opsys=dgux5-4-3
 369   ;;
 370   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 371     machine=aviion opsys=dgux5-4r2
 372   ;;
 373   m88k-dg-dgux* )
 374     machine=aviion opsys=dgux
 375   ;;
 376
 377   ## Data General AViiON Intel (x86) Machines
 378   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 379   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 380   i[345]86-dg-dguxR4* )
 381     machine=aviion-intel opsys=dgux4
 382   ;;
 383
 384   ## DECstations
 385   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 386     machine=pmax opsys=bsd4-2
 387   ;;
 388   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 389     machine=pmax opsys=bsd4-3
 390   ;;
 391   mips-dec-ultrix* )
 392     machine=pmax opsys=ultrix4-3
 393   ;;
 394   mips-dec-osf* )
 395     machine=pmax opsys=osf1
 396   ;;
 397   mips-dec-mach_bsd4.3* )
 398     machine=pmax opsys=mach-bsd4-3
 399   ;;
 400
 401   ## Motorola Delta machines
 402   m68k-motorola-sysv* | m68000-motorola-sysv* )
 403     machine=delta opsys=usg5-3
 404     if test -z "`type gnucc | grep 'not found'`"
 405     then
 406       if test -s /etc/167config
 407       then CC="gnucc -m68040"
 408       else CC="gnucc -m68881"
 409       fi
 410     else
 411       if test -z "`type gcc | grep 'not found'`"
 412       then CC=gcc
 413       else CC=cc
 414       fi
 415     fi
 416   ;;
 417   m88k-motorola-sysv4* )
 418     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 419     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 420     # I hope there are not other 4.0 versions for this machine
 421     # which really need usg5-4 instead.
 422     machine=delta88k opsys=usg5-4-2
 423   ;;
 424   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 425     machine=delta88k opsys=usg5-3
 426   ;;
 427
 428   ## Dual machines
 429   m68*-dual-sysv* )
 430     machine=dual opsys=usg5-2
 431   ;;
 432   m68*-dual-uniplus* )
 433     machine=dual opsys=unipl5-2
 434   ;;
 435
 436   ## Elxsi 6400
 437   elxsi-elxsi-sysv* )
 438     machine=elxsi opsys=usg5-2
 439   ;;
 440
 441   ## Encore machines
 442   ns16k-encore-bsd* )
 443     machine=ns16000 opsys=umax
 444   ;;
 445
 446   ## The GEC 93 - apparently, this port isn't really finished yet.
 447
 448   ## Gould Power Node and NP1
 449   pn-gould-bsd4.2* )
 450     machine=gould opsys=bsd4-2
 451   ;;
 452   pn-gould-bsd4.3* )
 453     machine=gould opsys=bsd4-3
 454   ;;
 455   np1-gould-bsd* )
 456     machine=gould-np1 opsys=bsd4-3
 457   ;;
 458
 459   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 460   ## as far as Emacs is concerned).
 461   m88k-harris-cxux* )
 462     # Build needs to be different on 7.0 and later releases
 463     case "`uname -r`" in
 464        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 465        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 466     esac
 467     NON_GNU_CPP="/lib/cpp"
 468   ;;
 469   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 470   m68k-harris-cxux* )
 471     machine=nh3000 opsys=cxux
 472   ;;
 473   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 474   powerpc-harris-powerunix )
 475     machine=nh6000 opsys=powerunix
 476     NON_GNU_CPP="cc -Xo -E -P"
 477   ;;
 478   ## SR2001/SR2201 running HI-UX/MPP
 479   hppa1.1-hitachi-hiuxmpp* )
 480     machine=sr2k opsys=hiuxmpp
 481   ;;
 482   ## Honeywell XPS100
 483   xps*-honeywell-sysv* )
 484     machine=xps100 opsys=usg5-2
 485   ;;
 486
 487   ## HP 9000 series 200 or 300
 488   m68*-hp-bsd* )
 489     machine=hp9000s300 opsys=bsd4-3
 490   ;;
 491   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 492   m68*-hp-hpux* )
 493     case "`uname -r`" in
 494       ## Someone's system reports A.B8.05 for this.
 495       ## I wonder what other possibilities there are.
 496       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 497       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 498       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 499       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 500       *) machine=hp9000s300 opsys=hpux ;;
 501     esac
 502   ;;
 503
 504   ## HP 9000 series 700 and 800, running HP/UX
 505   hppa*-hp-hpux7* )
 506     machine=hp800 opsys=hpux
 507   ;;
 508   hppa*-hp-hpux8* )
 509     machine=hp800 opsys=hpux8
 510   ;;
 511   hppa*-hp-hpux9shr* )
 512     machine=hp800 opsys=hpux9shr
 513   ;;
 514   hppa*-hp-hpux9* )
 515     machine=hp800 opsys=hpux9
 516   ;;
 517   hppa*-hp-hpux1[0-9]* )
 518     machine=hp800 opsys=hpux10
 519   ;;
 520
 521   ## HP 9000 series 700 and 800, running HP/UX
 522   hppa*-hp-hpux* )
 523     ## Cross-compilation?  Nah!
 524     case "`uname -r`" in
 525       ## Someone's system reports A.B8.05 for this.
 526       ## I wonder what other possibilities there are.
 527       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 528       *.08.* ) machine=hp800 opsys=hpux8 ;;
 529       *.09.* ) machine=hp800 opsys=hpux9 ;;
 530       *) machine=hp800 opsys=hpux10 ;;
 531     esac
 532   ;;
 533   hppa*-*-nextstep* )
 534     machine=hp800 opsys=nextstep
 535   ;;
 536
 537   ## Orion machines
 538   orion-orion-bsd* )
 539     machine=orion opsys=bsd4-2
 540   ;;
 541   clipper-orion-bsd* )
 542     machine=orion105 opsys=bsd4-2
 543   ;;
 544
 545   ## IBM machines
 546   i[3456]86-ibm-aix1.1* )
 547     machine=ibmps2-aix opsys=usg5-2-2
 548   ;;
 549   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 550     machine=ibmps2-aix opsys=usg5-3
 551   ;;
 552   i370-ibm-aix*)
 553     machine=ibm370aix opsys=usg5-3
 554   ;;
 555   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 556     machine=ibmrs6000 opsys=aix3-1
 557   ;;
 558   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 559     machine=ibmrs6000 opsys=aix3-2-5
 560   ;;
 561   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 562     machine=ibmrs6000 opsys=aix4-1
 563   ;;
 564   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 565     machine=ibmrs6000 opsys=aix4-2
 566   ;;
 567   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 568     machine=ibmrs6000 opsys=aix4
 569   ;;
 570   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 571     machine=ibmrs6000 opsys=aix4-1
 572   ;;
 573   rs6000-ibm-aix* | powerpc-ibm-aix* )
 574     machine=ibmrs6000 opsys=aix3-2
 575   ;;
 576   romp-ibm-bsd4.3* )
 577     machine=ibmrt opsys=bsd4-3
 578   ;;
 579   romp-ibm-bsd4.2* )
 580     machine=ibmrt opsys=bsd4-2
 581   ;;
 582   romp-ibm-aos4.3* )
 583     machine=ibmrt opsys=bsd4-3
 584   ;;
 585   romp-ibm-aos4.2* )
 586     machine=ibmrt opsys=bsd4-2
 587   ;;
 588   romp-ibm-aos* )
 589     machine=ibmrt opsys=bsd4-3
 590   ;;
 591   romp-ibm-bsd* )
 592     machine=ibmrt opsys=bsd4-3
 593   ;;
 594   romp-ibm-aix* )
 595     machine=ibmrt-aix opsys=usg5-2-2
 596   ;;
 597
 598   ## Integrated Solutions `Optimum V'
 599   m68*-isi-bsd4.2* )
 600     machine=isi-ov opsys=bsd4-2
 601   ;;
 602   m68*-isi-bsd4.3* )
 603     machine=isi-ov opsys=bsd4-3
 604   ;;
 605
 606   ## Intel 386 machines where we do care about the manufacturer
 607   i[3456]86-intsys-sysv* )
 608     machine=is386 opsys=usg5-2-2
 609   ;;
 610
 611   ## Prime EXL
 612   i[3456]86-prime-sysv* )
 613     machine=i386 opsys=usg5-3
 614   ;;
 615
 616   ## Sequent Symmetry running Dynix
 617   i[3456]86-sequent-bsd* )
 618     machine=symmetry opsys=bsd4-3
 619   ;;
 620
 621   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 622   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 623     machine=sequent-ptx opsys=ptx4
 624     NON_GNU_CPP=/lib/cpp
 625   ;;
 626
 627   ## Sequent Symmetry running DYNIX/ptx
 628   ## Use the old cpp rather than the newer ANSI one.
 629   i[3456]86-sequent-ptx* )
 630     machine=sequent-ptx opsys=ptx
 631     NON_GNU_CPP="/lib/cpp"
 632   ;;
 633
 634   ## ncr machine running svr4.3.
 635   i[3456]86-ncr-sysv4.3 )
 636     machine=ncr386 opsys=usg5-4-3
 637   ;;
 638
 639   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 640   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 641   i[3456]86-ncr-sysv* )
 642     machine=ncr386 opsys=usg5-4-2
 643   ;;
 644
 645   ## Intel Paragon OSF/1
 646   i860-intel-osf1* )
 647     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 648   ;;
 649
 650   ## Intel 860
 651   i860-*-sysv4* )
 652     machine=i860 opsys=usg5-4
 653     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 654     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 655   ;;
 656
 657   ## Macintosh PowerPC
 658   powerpc*-*-linux-gnu* )
 659     machine=macppc opsys=gnu-linux
 660   ;;
 661
 662   ## Masscomp machines
 663   m68*-masscomp-rtu* )
 664     machine=masscomp opsys=rtu
 665   ;;
 666
 667   ## Megatest machines
 668   m68*-megatest-bsd* )
 669     machine=mega68 opsys=bsd4-2
 670   ;;
 671
 672   ## Workstations sold by MIPS
 673   ## This is not necessarily all workstations using the MIPS processor -
 674   ## Irises are produced by SGI, and DECstations by DEC.
 675
 676   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 677   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 678   ## it gives for choosing between the alternatives seems to be "Use
 679   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 680   ## the BSD world."  I'll assume that these are instructions for
 681   ## handling two odd situations, and that every other situation
 682   ## should use mips.h and usg5-2-2, they being listed first.
 683   mips-mips-usg* )
 684     machine=mips4
 685     ## Fall through to the general code at the bottom to decide on the OS.
 686   ;;
 687   mips-mips-riscos4* )
 688     machine=mips4 opsys=bsd4-3
 689     NON_GNU_CC="cc -systype bsd43"
 690     NON_GNU_CPP="cc -systype bsd43 -E"
 691   ;;
 692   mips-mips-riscos5* )
 693     machine=mips4 opsys=riscos5
 694     NON_GNU_CC="cc -systype bsd43"
 695     NON_GNU_CPP="cc -systype bsd43 -E"
 696   ;;
 697   mips-mips-bsd* )
 698     machine=mips opsys=bsd4-3
 699   ;;
 700   mips-mips-* )
 701     machine=mips opsys=usg5-2-2
 702   ;;
 703
 704   ## NeXT
 705   m68*-next-* | m68k-*-nextstep* )
 706     machine=m68k opsys=nextstep
 707   ;;
 708
 709   ## The complete machine from National Semiconductor
 710   ns32k-ns-genix* )
 711     machine=ns32000 opsys=usg5-2
 712   ;;
 713
 714   ## NCR machines
 715   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 716     machine=tower32 opsys=usg5-2-2
 717   ;;
 718   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 719     machine=tower32v3 opsys=usg5-3
 720   ;;
 721
 722   ## NEC EWS4800
 723   mips-nec-sysv4*)
 724   machine=ews4800 opsys=ux4800
 725   ;;
 726
 727   ## Nixdorf Targon 31
 728   m68*-nixdorf-sysv* )
 729     machine=targon31 opsys=usg5-2-2
 730   ;;
 731
 732   ## Nu (TI or LMI)
 733   m68*-nu-sysv* )
 734     machine=nu opsys=usg5-2
 735   ;;
 736
 737   ## Plexus
 738   m68*-plexus-sysv* )
 739     machine=plexus opsys=usg5-2
 740   ;;
 741
 742   ## PowerPC reference platform
 743   powerpcle-*-solaris2* )
 744     machine=prep
 745     opsys=sol2-5
 746   ;;
 747
 748   ## Pyramid machines
 749   ## I don't really have any idea what sort of processor the Pyramid has,
 750   ## so I'm assuming it is its own architecture.
 751   pyramid-pyramid-bsd* )
 752     machine=pyramid opsys=bsd4-2
 753   ;;
 754
 755   ## Sequent Balance
 756   ns32k-sequent-bsd4.2* )
 757     machine=sequent opsys=bsd4-2
 758   ;;
 759   ns32k-sequent-bsd4.3* )
 760     machine=sequent opsys=bsd4-3
 761   ;;
 762
 763   ## Siemens Nixdorf
 764   mips-siemens-sysv* | mips-sni-sysv*)
 765     machine=mips-siemens opsys=usg5-4
 766     NON_GNU_CC=/usr/ccs/bin/cc
 767     NON_GNU_CPP=/usr/ccs/lib/cpp
 768   ;;
 769
 770   ## Silicon Graphics machines
 771   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 772   m68*-sgi-iris3.5* )
 773     machine=irist opsys=iris3-5
 774   ;;
 775   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 776     machine=irist opsys=iris3-6
 777   ;;
 778   ## Iris 4D
 779   mips-sgi-irix3* )
 780     machine=iris4d opsys=irix3-3
 781   ;;
 782   mips-sgi-irix4* )
 783     machine=iris4d opsys=irix4-0
 784   ;;
 785   mips-sgi-irix6.5 )
 786     machine=iris4d opsys=irix6-5
 787     # Without defining _LANGUAGE_C, things get masked out in the headers
 788     # so that, for instance, grepping for `free' in stdlib.h fails and
 789     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 790     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 791     NON_GCC_TEST_OPTIONS="-n32 -D_LANGUAGE_C"
 792   ;;
 793   mips-sgi-irix6* )
 794     machine=iris4d opsys=irix6-0
 795     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 796     # but presumably it does no harm.
 797     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 798     NON_GCC_TEST_OPTIONS=-32
 799   ;;
 800   mips-sgi-irix5.[01]* )
 801     machine=iris4d opsys=irix5-0
 802   ;;
 803   mips-sgi-irix5* | mips-sgi-irix* )
 804     machine=iris4d opsys=irix5-2
 805   ;;
 806
 807   ## SONY machines
 808   m68*-sony-bsd4.2* )
 809     machine=news opsys=bsd4-2
 810   ;;
 811   m68*-sony-bsd4.3* )
 812     machine=news opsys=bsd4-3
 813   ;;
 814   m68*-sony-newsos3* | m68*-sony-news3*)
 815     machine=news opsys=bsd4-3
 816   ;;
 817   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 818     machine=news-risc opsys=bsd4-3
 819   ;;
 820   mips-sony-newsos6* )
 821     machine=news-r6 opsys=newsos6
 822   ;;
 823   mips-sony-news* )
 824     machine=news-risc opsys=newsos5
 825   ;;
 826
 827   ## Stride
 828   m68*-stride-sysv* )
 829     machine=stride opsys=usg5-2
 830   ;;
 831
 832   ## Suns
 833   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 834     machine=sparc opsys=gnu-linux
 835   ;;
 836
 837   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 838     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 839     | rs6000-*-solaris2*)
 840     case "${canonical}" in
 841       m68*-sunos1* )    machine=sun1 ;;
 842       m68*-sunos2* )    machine=sun2 ;;
 843       m68* )            machine=sun3 ;;
 844       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 845       i[3456]86-*-* )     machine=intel386 ;;
 846       powerpcle* )      machine=powerpcle ;;
 847       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 848       sparc* )          machine=sparc ;;
 849       * )               unported=yes ;;
 850     esac
 851     case "${canonical}" in
 852       ## The Sun386 didn't get past 4.0.
 853       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 854       *-sunos4.0*         ) opsys=sunos4-0 ;;
 855       *-sunos4.1.[3-9]*noshare )
 856                 ## This name is sunos413 instead of sunos4-1-3
 857                 ## to avoid a file name conflict on MSDOS.
 858                 opsys=sunos413
 859                 NON_GNU_CPP=/usr/lib/cpp
 860                 NON_GCC_TEST_OPTIONS=-Bstatic
 861                 GCC_TEST_OPTIONS=-static
 862                 ;;
 863       *-sunos4.1.[3-9]* | *-sunos4shr*)
 864                 opsys=sunos4shr
 865                 NON_GNU_CPP=/usr/lib/cpp
 866                 ;;
 867       *-sunos4* | *-sunos )
 868                 opsys=sunos4-1
 869                 NON_GCC_TEST_OPTIONS=-Bstatic
 870                 GCC_TEST_OPTIONS=-static
 871                 ;;
 872       *-sunos5.3* | *-solaris2.3* )
 873                 opsys=sol2-3
 874                 NON_GNU_CPP=/usr/ccs/lib/cpp
 875                 ;;
 876       *-sunos5.4* | *-solaris2.4* )
 877                 opsys=sol2-4
 878                 NON_GNU_CPP=/usr/ccs/lib/cpp
 879                 RANLIB="ar -ts"
 880                 ;;
 881       *-sunos5.5* | *-solaris2.5* )
 882                 opsys=sol2-5
 883                 NON_GNU_CPP=/usr/ccs/lib/cpp
 884                 RANLIB="ar -ts"
 885                 ;;
 886       *-sunos5* | *-solaris* )
 887                 opsys=sol2-5
 888                 NON_GNU_CPP=/usr/ccs/lib/cpp
 889                 ;;
 890       *                   ) opsys=bsd4-2   ;;
 891     esac
 892     ## Watch out for a compiler that we know will not work.
 893     case "${canonical}" in
 894      *-solaris* | *-sunos5* )
 895                 if [ "x$CC" = x/usr/ucb/cc ]; then
 896                   ## /usr/ucb/cc doesn't work;
 897                   ## we should find some other compiler that does work.
 898                   unset CC
 899                 fi
 900                 ;;
 901       *) ;;
 902     esac
 903   ;;
 904   sparc-*-nextstep* )
 905     machine=sparc opsys=nextstep
 906   ;;
 907
 908   ## Tadpole 68k
 909   m68*-tadpole-sysv* )
 910     machine=tad68k opsys=usg5-3
 911   ;;
 912
 913   ## Tahoe machines
 914   tahoe-tahoe-bsd4.2* )
 915     machine=tahoe opsys=bsd4-2
 916   ;;
 917   tahoe-tahoe-bsd4.3* )
 918     machine=tahoe opsys=bsd4-3
 919   ;;
 920
 921   ## Tandem Integrity S2
 922   mips-tandem-sysv* )
 923     machine=tandem-s2 opsys=usg5-3
 924   ;;
 925
 926   ## Tektronix XD88
 927   m88k-tektronix-sysv3* )
 928   machine=tekxd88 opsys=usg5-3
 929   ;;
 930
 931   ## Tektronix 16000 box (6130?)
 932   ns16k-tektronix-bsd* )
 933     machine=ns16000 opsys=bsd4-2
 934   ;;
 935   ## Tektronix 4300
 936   ## src/m/tek4300.h hints that this is a m68k machine.
 937   m68*-tektronix-bsd* )
 938     machine=tek4300 opsys=bsd4-3
 939   ;;
 940
 941   ## Titan P2 or P3
 942   ## We seem to have lost the machine-description file titan.h!
 943   titan-titan-sysv* )
 944     machine=titan opsys=usg5-3
 945   ;;
 946
 947   ## Ustation E30 (SS5E)
 948   m68*-unisys-uniplus* )
 949     machine=ustation opsystem=unipl5-2
 950   ;;
 951
 952   ## Vaxen.
 953   vax-dec-* )
 954     machine=vax
 955     case "${canonical}" in
 956       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 957       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 958       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 959       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 960       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 961       *-vms* )                                          opsys=vms ;;
 962       * )                                               unported=yes
 963     esac
 964   ;;
 965
 966   ## Whitechapel MG1
 967   ns16k-whitechapel-* )
 968     machine=mg1
 969     ## We don't know what sort of OS runs on these; we'll let the
 970     ## operating system guessing code below try.
 971   ;;
 972
 973   ## Wicat
 974   m68*-wicat-sysv* )
 975     machine=wicat opsys=usg5-2
 976   ;;
 977
 978   ## Intel 386 machines where we don't care about the manufacturer
 979   i[3456]86-*-* )
 980     machine=intel386
 981     case "${canonical}" in
 982       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 983       *-isc2.2* )               opsys=isc2-2 ;;
 984       *-isc4.0* )               opsys=isc4-0 ;;
 985       *-isc4.* )                opsys=isc4-1
 986                                 GCC_TEST_OPTIONS=-posix
 987                                 NON_GCC_TEST_OPTIONS=-Xp
 988                                 ;;
 989       *-isc* )                  opsys=isc3-0 ;;
 990       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 991       *-esix* )                 opsys=esix ;;
 992       *-xenix* )                opsys=xenix ;;
 993       *-linux-gnu* )            opsys=gnu-linux ;;
 994       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 995       *-sco3.2v5* )             opsys=sco5
 996                                 NON_GNU_CPP=/lib/cpp
 997                                 # Prevent -belf from being passed to $CPP.
 998                                 # /lib/cpp does not accept it.
 999                                 OVERRIDE_CPPFLAGS=" "
1000                                 ;;
1001       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1002       *-386bsd* )               opsys=386bsd ;;
1003       *-freebsd* )              opsys=freebsd ;;
1004       *-nextstep* )             opsys=nextstep ;;
1005       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1006     esac
1007   ;;
1008
1009   ## m68k Linux-based GNU system
1010   m68k-*-linux-gnu* )
1011     machine=m68k opsys=gnu-linux
1012   ;;
1013
1014   ## Mips Linux-based GNU system
1015   mips-*-linux-gnu* )
1016     machine=mips opsys=gnu-linux
1017   ;;
1018
1019   ## UXP/DS
1020   sparc-fujitsu-sysv4* )
1021     machine=sparc opsys=uxpds
1022     NON_GNU_CPP=/usr/ccs/lib/cpp
1023     RANLIB="ar -ts"
1024   ;;
1025
1026   ## UXP/V
1027   f301-fujitsu-uxpv4.1)
1028     machine=f301 opsys=uxpv
1029   ;;
1030
1031   * )
1032     unported=yes
1033   ;;
1034 esac
1035
1036 ### If the code above didn't choose an operating system, just choose
1037 ### an operating system based on the configuration name.  You really
1038 ### only want to use this when you have no idea what the right
1039 ### operating system is; if you know what operating systems a machine
1040 ### runs, it's cleaner to make it explicit in the case statement
1041 ### above.
1042 if test x"${opsys}" = x; then
1043   case "${canonical}" in
1044     *-gnu* )                            opsys=gnu ;;
1045     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1046     *-bsd4.2 )                          opsys=bsd4-2 ;;
1047     *-bsd4.3 )                          opsys=bsd4-3 ;;
1048     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1049     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1050     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1051     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1052     *-sysv4.2uw* )                      opsys=unixware ;;
1053     *-sysv4.1* | *-sysvr4.1* )
1054         NON_GNU_CPP=/usr/lib/cpp
1055         opsys=usg5-4 ;;
1056     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1057         if [ x$NON_GNU_CPP = x ]; then
1058           if [ -f /usr/ccs/lib/cpp ]; then
1059             NON_GNU_CPP=/usr/ccs/lib/cpp
1060           else
1061             NON_GNU_CPP=/lib/cpp
1062           fi
1063         fi
1064         opsys=usg5-4-2 ;;
1065     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1066     * )
1067       unported=yes
1068     ;;
1069   esac
1070 fi
1071
1072 changequote([, ])dnl
1073
1074 if test $unported = yes; then
1075   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1076 Check \`etc/MACHINES' for recognized configuration names.])
1077 fi
1078
1079 machfile="m/${machine}.h"
1080 opsysfile="s/${opsys}.h"
1081
1082
1083 #### Choose a compiler.
1084 test -n "$CC" && cc_specified=yes
1085
1086 # Save the value of CFLAGS that the user specified.
1087 SPECIFIED_CFLAGS="$CFLAGS"
1088
1089 case ${with_gcc} in
1090   "yes" ) CC="gcc" GCC=yes ;;
1091   "no"  ) : ${CC=cc} ;;
1092   * ) AC_PROG_CC
1093 esac
1094
1095 # On Suns, sometimes $CPP names a directory.
1096 if test -n "$CPP" && test -d "$CPP"; then
1097   CPP=
1098 fi
1099
1100 #### Some systems specify a CPP to use unless we are using GCC.
1101 #### Now that we know whether we are using GCC, we can decide whether
1102 #### to use that one.
1103 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1104 then
1105   CPP="$NON_GNU_CPP"
1106 fi
1107
1108 #### Some systems specify a CC to use unless we are using GCC.
1109 #### Now that we know whether we are using GCC, we can decide whether
1110 #### to use that one.
1111 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1112   test x$cc_specified != xyes
1113 then
1114   CC="$NON_GNU_CC"
1115 fi
1116
1117 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1118 then
1119   CC="$CC $GCC_TEST_OPTIONS"
1120 fi
1121
1122 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1123 then
1124   CC="$CC $NON_GCC_TEST_OPTIONS"
1125 fi
1126
1127 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1128 then
1129   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1130 fi
1131
1132 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1133 then
1134   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1135 fi
1136
1137 #### Some other nice autoconf tests.  If you add a test here which
1138 #### should make an entry in src/config.h, don't forget to add an
1139 #### #undef clause to src/config.h.in for autoconf to modify.
1140
1141 dnl checks for programs
1142 AC_PROG_LN_S
1143 AC_PROG_CPP
1144 AC_PROG_INSTALL
1145 AC_PROG_YACC
1146 if test "x$RANLIB" = x; then
1147   AC_PROG_RANLIB
1148 fi
1149
1150 dnl checks for Unix variants
1151 AC_AIX
1152
1153 # Sound support for GNU/Linux and the free BSDs.
1154 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1155
1156 dnl checks for header files
1157 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1158   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1159   termcap.h stdio_ext.h)
1160 AC_HEADER_STDC
1161 AC_HEADER_TIME
1162 AC_DECL_SYS_SIGLIST
1163
1164 dnl Some systems have utime.h but don't declare the struct anyplace.
1165 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1166 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1167 #include <sys/time.h>
1168 #include <time.h>
1169 #else
1170 #ifdef HAVE_SYS_TIME_H
1171 #include <sys/time.h>
1172 #else
1173 #include <time.h>
1174 #endif
1175 #endif
1176 #ifdef HAVE_UTIME_H
1177 #include <utime.h>
1178 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1179   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1180 if test $emacs_cv_struct_utimbuf = yes; then
1181   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1182 fi
1183
1184 dnl checks for typedefs
1185 AC_TYPE_SIGNAL
1186
1187 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1188 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1189 #include <sys/time.h>
1190 #include <time.h>
1191 #else
1192 #ifdef HAVE_SYS_TIME_H
1193 #include <sys/time.h>
1194 #else
1195 #include <time.h>
1196 #endif
1197 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1198   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1199 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1200 if test $emacs_cv_struct_timeval = yes; then
1201   AC_DEFINE(HAVE_TIMEVAL)
1202 fi
1203
1204 dnl checks for structure members
1205 AC_STRUCT_TM
1206 AC_STRUCT_TIMEZONE
1207 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1208 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1209   emacs_cv_tm_gmtoff=yes,
1210   emacs_cv_tm_gmtoff=no))
1211 if test $emacs_cv_tm_gmtoff = yes; then
1212   AC_DEFINE(HAVE_TM_GMTOFF)
1213 fi
1214
1215 dnl checks for compiler characteristics
1216
1217 dnl Testing __STDC__ to determine prototype support isn't good enough.
1218 dnl DEC C, for instance, doesn't define it with default options, and
1219 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1220 dnl and void *.
1221 AC_C_PROTOTYPES
1222 AC_C_VOLATILE
1223 AC_C_CONST
1224 dnl This isn't useful because we can't turn on use of `inline' unless
1225 dnl the compiler groks `extern inline'.
1226 dnl AC_C_INLINE
1227 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1228   [AC_TRY_COMPILE(, [void * foo;],
1229                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1230 if test $emacs_cv_void_star = yes; then
1231   AC_DEFINE(POINTER_TYPE, void)
1232 else
1233   AC_DEFINE(POINTER_TYPE, char)
1234 fi
1235
1236 dnl check for Make feature
1237 AC_PROG_MAKE_SET
1238
1239 dnl checks for operating system services
1240 AC_SYS_LONG_FILE_NAMES
1241
1242 #### Choose a window system.
1243
1244 AC_PATH_X
1245 if test "$no_x" = yes; then
1246   window_system=none
1247 else
1248   window_system=x11
1249 fi
1250
1251 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1252   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1253   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1254   x_default_search_path=""
1255   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1256     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1257 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1258 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1259 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1260     if test x"${x_default_search_path}" = x; then
1261       x_default_search_path=${x_search_path}
1262     else
1263       x_default_search_path="${x_search_path}:${x_default_search_path}"
1264     fi
1265   done
1266 fi
1267 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1268   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1269 fi
1270
1271 if test x"${x_includes}" = x; then
1272   bitmapdir=/usr/include/X11/bitmaps
1273 else
1274   # accumulate include directories that have X11 bitmap subdirectories
1275   bmd_acc="dummyval"
1276   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1277     if test -d "${bmd}/X11/bitmaps"; then
1278       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1279     fi
1280     if test -d "${bmd}/bitmaps"; then
1281       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1282     fi
1283   done
1284   if test ${bmd_acc} != "dummyval"; then
1285     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1286   fi
1287 fi
1288
1289 case "${window_system}" in
1290   x11 )
1291     HAVE_X_WINDOWS=yes
1292     HAVE_X11=yes
1293     case "${with_x_toolkit}" in
1294       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1295       motif ) USE_X_TOOLKIT=MOTIF ;;
1296 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1297       no ) USE_X_TOOLKIT=none ;;
1298 dnl If user did not say whether to use a toolkit,
1299 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1300       * ) USE_X_TOOLKIT=maybe ;;
1301     esac
1302   ;;
1303   none )
1304     HAVE_X_WINDOWS=no
1305     HAVE_X11=no
1306     USE_X_TOOLKIT=none
1307   ;;
1308 esac
1309
1310 ### If we're using X11, we should use the X menu package.
1311 HAVE_MENUS=no
1312 case ${HAVE_X11} in
1313   yes ) HAVE_MENUS=yes ;;
1314 esac
1315
1316 if test "${opsys}" = "hpux9"; then
1317   case "${x_libraries}" in
1318     *X11R4* )
1319       opsysfile="s/hpux9-x11r4.h"
1320       ;;
1321   esac
1322 fi
1323
1324 if test "${opsys}" = "hpux9shr"; then
1325   case "${x_libraries}" in
1326     *X11R4* )
1327       opsysfile="s/hpux9shxr4.h"
1328       ;;
1329   esac
1330 fi
1331
1332 #### Extract some information from the operating system and machine files.
1333
1334 AC_CHECKING([the machine- and system-dependent files to find out
1335  - which libraries the lib-src programs will want, and
1336  - whether the GNU malloc routines are usable])
1337
1338 ### First figure out CFLAGS (which we use for running the compiler here)
1339 ### and REAL_CFLAGS (which we use for real compilation).
1340 ### The two are the same except on a few systems, where they are made
1341 ### different to work around various lossages.  For example,
1342 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1343 ### as implying static linking.
1344
1345 ### If the CFLAGS env var is specified, we use that value
1346 ### instead of the default.
1347
1348 ### It's not important that this name contain the PID; you can't run
1349 ### two configures in the same directory and have anything work
1350 ### anyway.
1351 tempcname="conftest.c"
1352
1353 echo '
1354 #include "'${srcdir}'/src/'${opsysfile}'"
1355 #include "'${srcdir}'/src/'${machfile}'"
1356 #ifndef LIBS_MACHINE
1357 #define LIBS_MACHINE
1358 #endif
1359 #ifndef LIBS_SYSTEM
1360 #define LIBS_SYSTEM
1361 #endif
1362 #ifndef C_SWITCH_SYSTEM
1363 #define C_SWITCH_SYSTEM
1364 #endif
1365 #ifndef C_SWITCH_MACHINE
1366 #define C_SWITCH_MACHINE
1367 #endif
1368 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1369 configure___ c_switch_system=C_SWITCH_SYSTEM
1370 configure___ c_switch_machine=C_SWITCH_MACHINE
1371
1372 #ifndef LIB_X11_LIB
1373 #define LIB_X11_LIB -lX11
1374 #endif
1375
1376 #ifndef LIBX11_MACHINE
1377 #define LIBX11_MACHINE
1378 #endif
1379
1380 #ifndef LIBX11_SYSTEM
1381 #define LIBX11_SYSTEM
1382 #endif
1383 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1384
1385 #ifdef UNEXEC
1386 configure___ unexec=UNEXEC
1387 #else
1388 configure___ unexec=unexec.o
1389 #endif
1390
1391 #ifdef SYSTEM_MALLOC
1392 configure___ system_malloc=yes
1393 #else
1394 configure___ system_malloc=no
1395 #endif
1396
1397 #ifndef C_DEBUG_SWITCH
1398 #define C_DEBUG_SWITCH -g
1399 #endif
1400
1401 #ifndef C_OPTIMIZE_SWITCH
1402 #ifdef __GNUC__
1403 #define C_OPTIMIZE_SWITCH -O2
1404 #else
1405 #define C_OPTIMIZE_SWITCH -O
1406 #endif
1407 #endif
1408
1409 #ifndef LD_SWITCH_MACHINE
1410 #define LD_SWITCH_MACHINE
1411 #endif
1412
1413 #ifndef LD_SWITCH_SYSTEM
1414 #define LD_SWITCH_SYSTEM
1415 #endif
1416
1417 #ifndef LD_SWITCH_X_SITE_AUX
1418 #define LD_SWITCH_X_SITE_AUX
1419 #endif
1420
1421 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1422 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1423
1424 #ifdef THIS_IS_CONFIGURE
1425
1426 /* Get the CFLAGS for tests in configure.  */
1427 #ifdef __GNUC__
1428 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1429 #else
1430 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1431 #endif
1432
1433 #else /* not THIS_IS_CONFIGURE */
1434
1435 /* Get the CFLAGS for real compilation.  */
1436 #ifdef __GNUC__
1437 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1438 #else
1439 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1440 #endif
1441
1442 #endif /* not THIS_IS_CONFIGURE */
1443 ' > ${tempcname}
1444
1445 # The value of CPP is a quoted variable reference, so we need to do this
1446 # to get its actual value...
1447 CPP=`eval "echo $CPP"`
1448 changequote(, )dnl
1449 eval `${CPP} -Isrc ${tempcname} \
1450        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1451 if test "x$SPECIFIED_CFLAGS" = x; then
1452   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1453          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1454 else
1455   REAL_CFLAGS="$CFLAGS"
1456 fi
1457 changequote([, ])dnl
1458 rm ${tempcname}
1459
1460 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1461
1462 ### Compute the unexec source name from the object name.
1463 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1464
1465 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1466 # Assume not, until told otherwise.
1467 GNU_MALLOC=yes
1468 doug_lea_malloc=yes
1469 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1470 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1471 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1472                emacs_cv_var___after_morecore_hook,
1473 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1474   emacs_cv_var___after_morecore_hook=yes,
1475   emacs_cv_var___after_morecore_hook=no))
1476 if test $emacs_cv_var___after_morecore_hook = no; then
1477   doug_lea_malloc=no
1478 fi
1479 if test "${system_malloc}" = "yes"; then
1480   GNU_MALLOC=no
1481   GNU_MALLOC_reason="
1482     (The GNU allocators don't work with this system configuration.)"
1483 fi
1484 if test "$doug_lea_malloc" = "yes" ; then
1485   if test "$GNU_MALLOC" = yes ; then
1486     GNU_MALLOC_reason="
1487       (Using Doug Lea's new malloc from the GNU C Library.)"
1488   fi
1489   AC_DEFINE(DOUG_LEA_MALLOC)
1490 fi
1491
1492 if test x"${REL_ALLOC}" = x; then
1493   REL_ALLOC=${GNU_MALLOC}
1494 fi
1495
1496 #### Add the libraries to LIBS and check for some functions.
1497
1498 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1499   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1500 else
1501   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1502 fi
1503
1504 LIBS="$libsrc_libs $LIBS"
1505
1506 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1507 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1508 AC_CHECK_LIB(dnet, dnet_ntoa)
1509 dnl This causes -lresolv to get used in subsequent tests,
1510 dnl which causes failures on some systems such as HPUX 9.
1511 dnl AC_CHECK_LIB(resolv, gethostbyname)
1512
1513 dnl FIXME replace main with a function we actually want from this library.
1514 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1515
1516 AC_CHECK_LIB(pthreads, cma_open)
1517
1518 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1519 if test -d /usr/X386/include; then
1520   HAVE_XFREE386=yes
1521   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1522 else
1523   HAVE_XFREE386=no
1524 fi
1525 AC_MSG_RESULT($HAVE_XFREE386)
1526
1527 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1528 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1529
1530 if test "${HAVE_X11}" = "yes"; then
1531   DEFS="$C_SWITCH_X_SITE $DEFS"
1532   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1533   LIBS="$LIBX $LIBS"
1534   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1535
1536   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1537   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1538   # but it's more convenient here to set LD_RUN_PATH
1539   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1540   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1541     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1542     export LD_RUN_PATH
1543   fi
1544
1545   if test "${opsys}" = "gnu-linux"; then
1546     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1547     AC_TRY_LINK([],
1548      [XOpenDisplay ("foo");],
1549      [xlinux_first_failure=no],
1550      [xlinux_first_failure=yes])
1551     if test "${xlinux_first_failure}" = "yes"; then
1552       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1553       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1554       OLD_CPPFLAGS="$CPPFLAGS"
1555       OLD_LIBS="$LIBS"
1556       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1557       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1558       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1559       LIBS="$LIBS -b i486-linuxaout"
1560       AC_TRY_LINK([],
1561        [XOpenDisplay ("foo");],
1562        [xlinux_second_failure=no],
1563        [xlinux_second_failure=yes])
1564       if test "${xlinux_second_failure}" = "yes"; then
1565         # If we get the same failure with -b, there is no use adding -b.
1566         # So take it out.  This plays safe.
1567         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1568         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1569         CPPFLAGS="$OLD_CPPFLAGS"
1570         LIBS="$OLD_LIBS"
1571         AC_MSG_RESULT(no)
1572       else
1573         AC_MSG_RESULT(yes)
1574       fi
1575     else
1576       AC_MSG_RESULT(no)
1577     fi
1578   fi
1579
1580   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1581 XScreenNumberOfScreen XSetWMProtocols)
1582 fi
1583
1584 if test "${window_system}" = "x11"; then
1585   AC_MSG_CHECKING(X11 version 6)
1586   AC_CACHE_VAL(emacs_cv_x11_version_6,
1587   AC_TRY_LINK([#include <X11/Xlib.h>],
1588 [#if XlibSpecificationRelease < 6
1589 fail;
1590 #endif
1591 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1592   if test $emacs_cv_x11_version_6 = yes; then
1593     AC_MSG_RESULT(6 or newer)
1594     AC_DEFINE(HAVE_X11R6)
1595   else
1596     AC_MSG_RESULT(before 6)
1597   fi
1598 fi
1599
1600 if test "${window_system}" = "x11"; then
1601   AC_MSG_CHECKING(X11 version 5)
1602   AC_CACHE_VAL(emacs_cv_x11_version_5,
1603   AC_TRY_LINK([#include <X11/Xlib.h>],
1604 [#if XlibSpecificationRelease < 5
1605 fail;
1606 #endif
1607 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1608   if test $emacs_cv_x11_version_5 = yes; then
1609     AC_MSG_RESULT(5 or newer)
1610     HAVE_X11R5=yes
1611     AC_DEFINE(HAVE_X11R5)
1612   else
1613     HAVE_X11R5=no
1614     AC_MSG_RESULT(before 5)
1615   fi
1616 fi
1617
1618 dnl Do not put whitespace before the #include statements below.
1619 dnl Older compilers (eg sunos4 cc) choke on it.
1620 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1621   if test x"${HAVE_X11R5}" = xyes; then
1622     AC_MSG_CHECKING(X11 version 5 with Xaw)
1623     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1624     AC_TRY_LINK([
1625 #include <X11/Intrinsic.h>
1626 #include <X11/Xaw/Simple.h>],
1627       [],
1628       emacs_cv_x11_version_5_with_xaw=yes,
1629       emacs_cv_x11_version_5_with_xaw=no))
1630     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1631       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1632       USE_X_TOOLKIT=LUCID
1633     else
1634       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1635       USE_X_TOOLKIT=none
1636     fi
1637   else
1638     USE_X_TOOLKIT=none
1639   fi
1640 fi
1641
1642 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1643
1644 if test "${USE_X_TOOLKIT}" != "none"; then
1645   AC_MSG_CHECKING(X11 toolkit version)
1646   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1647   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1648 [#if XtSpecificationRelease < 6
1649 fail;
1650 #endif
1651 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1652   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1653   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1654     AC_MSG_RESULT(6 or newer)
1655     AC_DEFINE(HAVE_X11XTR6)
1656   else
1657     AC_MSG_RESULT(before 6)
1658   fi
1659
1660 dnl If using toolkit, check whether libXmu.a exists.
1661 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1662   OLDLIBS="$LIBS"
1663   if test x$HAVE_X11XTR6 = xyes; then
1664     LIBS="-lXt -lSM -lICE $LIBS"
1665   else
1666     LIBS="-lXt $LIBS"
1667   fi
1668   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1669   LIBS="$OLDLIBS"
1670 fi
1671
1672 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1673   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1674   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1675     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1676 int x = 5;
1677 #else
1678 Motif version prior to 2.1.
1679 #endif],
1680     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1681   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1682   if test $emacs_cv_motif_version_2_1 = yes; then
1683     AC_DEFINE(HAVE_MOTIF_2_1)
1684     AC_CHECK_LIB(Xp, XpCreateContext)
1685   fi
1686 fi
1687
1688 ### Is -lXaw3d available?
1689 HAVE_XAW3D=no
1690 if test "${HAVE_X11}" = "yes"; then
1691   if test "${USE_X_TOOLKIT}" != "none"; then
1692     old_c_flags="${CFLAGS}"
1693     CFLAGS="${LD_SWITCH_X_SITE}"
1694     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1695         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1696     CFLAGS="${old_c_flags}"
1697
1698     if test "${HAVE_XAW3D}" = "yes"; then
1699         AC_DEFINE(HAVE_XAW3D)
1700     fi
1701   fi
1702 fi
1703
1704 dnl Use toolkit scroll bars if configured for X toolkit and either
1705 dnl using Motif or Xaw3d is available, and unless
1706 dnl --with-toolkit-scroll-bars=no was specified.
1707
1708 USE_TOOLKIT_SCROLL_BARS=no
1709 if test "${with_toolkit_scroll_bars}" != "no"; then
1710   if test "${USE_X_TOOLKIT}" != "none"; then
1711     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1712       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1713       HAVE_XAW3D=no
1714       USE_TOOLKIT_SCROLL_BARS=yes
1715     elif test "${HAVE_XAW3D}" = "yes"; then
1716       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1717       USE_TOOLKIT_SCROLL_BARS=yes
1718     fi
1719   fi
1720 fi
1721
1722 ### Use -lXpm if available, unless `--with-xpm=no'.
1723 HAVE_XPM=no
1724 if test "${HAVE_X11}" = "yes"; then
1725   if test "${with_xpm}" != "no"; then
1726     old_c_flags="${CFLAGS}"
1727     CFLAGS="${LD_SWITCH_X_SITE}"
1728     AC_CHECK_HEADER(X11/xpm.h,
1729       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1730     CFLAGS="${old_c_flags}"
1731   fi
1732
1733   if test "${HAVE_XPM}" = "yes"; then
1734     AC_DEFINE(HAVE_XPM)
1735   fi
1736 fi
1737
1738 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1739 HAVE_JPEG=no
1740 if test "${HAVE_X11}" = "yes"; then
1741   if test "${with_jpeg}" != "no"; then
1742     old_c_flags="${CFLAGS}"
1743     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1744     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1745     dnl  HAVE_STDLIB_H.
1746     AC_CHECK_HEADER(jerror.h,
1747       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
1748     CFLAGS="${old_c_flags}"
1749   fi
1750
1751   if test "${HAVE_JPEG}" = "yes"; then
1752     AC_DEFINE(HAVE_JPEG)
1753   fi
1754 fi
1755
1756 ### Use -lpng if available, unless `--with-png=no'.
1757 HAVE_PNG=no
1758 if test "${HAVE_X11}" = "yes"; then
1759   if test "${with_png}" != "no"; then
1760     old_c_flags="${CFLAGS}"
1761     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1762     AC_CHECK_HEADER(png.h,
1763       AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1764     CFLAGS="${old_c_flags}"
1765   fi
1766
1767   if test "${HAVE_PNG}" = "yes"; then
1768     AC_DEFINE(HAVE_PNG)
1769   fi
1770 fi
1771
1772 ### Use -ltiff if available, unless `--with-tiff=no'.
1773 HAVE_TIFF=no
1774 if test "${HAVE_X11}" = "yes"; then
1775   if test "${with_tiff}" != "no"; then
1776     old_c_flags="${CFLAGS}"
1777     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1778     AC_CHECK_HEADER(tiffio.h,
1779       tifflibs="-lX11 -lz -lm"
1780       # At least one tiff package requires the jpeg library.
1781       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1782       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1783     CFLAGS="${old_c_flags}"
1784   fi
1785
1786   if test "${HAVE_TIFF}" = "yes"; then
1787     AC_DEFINE(HAVE_TIFF)
1788   fi
1789 fi
1790
1791 ### Use -lgif if available, unless `--with-gif=no'.
1792 HAVE_GIF=no
1793 if test "${HAVE_X11}" = "yes"; then
1794   if test "${with_gif}" != "no"; then
1795     old_c_flags="${CFLAGS}"
1796     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1797     AC_CHECK_HEADER(gif_lib.h,
1798       AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes, , -lX11))
1799     CFLAGS="${old_c_flags}"
1800   fi
1801
1802   if test "${HAVE_GIF}" = "yes"; then
1803     AC_DEFINE(HAVE_GIF)
1804   fi
1805 fi
1806
1807 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1808 AC_CACHE_CHECK(whether netdb declares h_errno,
1809                emacs_cv_netdb_declares_h_errno,
1810 AC_TRY_LINK([#include <netdb.h>],
1811   [return h_errno;],
1812   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1813 if test $emacs_cv_netdb_declares_h_errno = yes; then
1814   AC_DEFINE(HAVE_H_ERRNO)
1815 fi
1816
1817 AC_FUNC_ALLOCA
1818
1819 # fmod, logb, and frexp are found in -lm on most systems.
1820 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1821 AC_CHECK_LIB(m, sqrt)
1822
1823 # Check for mail-locking functions in a "mail" library
1824 AC_CHECK_LIB(mail, maillock)
1825 dnl Debian, at least:
1826 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1827 AC_CHECK_LIB(lockfile, maillock)
1828 # If we have the shared liblockfile, assume we must use it for mail
1829 # locking (e.g. Debian).  If we couldn't link against liblockfile
1830 # (no liblockfile.a installed), ensure that we don't need to.
1831 if test "$ac_cv_lib_lockfile_maillock" = no; then
1832   dnl This works for files generally, not just executables.
1833   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1834   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1835                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1836   if test $ac_cv_prog_liblockfile = yes; then
1837     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1838 This probably means that movemail could lose mail.
1839 There may be a \`development' package to install containing liblockfile.])
1840   else AC_DEFINE(LIBMAIL, -llockfile)
1841   fi
1842   else :
1843 fi
1844 AC_CHECK_FUNCS(touchlock)
1845 AC_CHECK_HEADERS(maillock.h)
1846
1847 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1848 rename closedir mkdir rmdir sysinfo \
1849 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1850 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1851 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo \
1852 __fpending ftello getloadavg mblen mbrlen strsignal setitimer ualarm)
1853
1854 AC_FUNC_MKTIME
1855 if test "$ac_cv_func_working_mktime" = no; then
1856   AC_DEFINE(BROKEN_MKTIME)
1857 fi
1858
1859 # UNIX98 PTYs.
1860 AC_CHECK_FUNCS(grantpt)
1861
1862 # PTY-related GNU extensions.
1863 AC_CHECK_FUNCS(getpt)
1864
1865 # Check this now, so that we will NOT find the above functions in ncurses.
1866 # That is because we have not set up to link ncurses in lib-src.
1867 # It's better to believe a function is not available
1868 # than to expect to find it in ncurses.
1869 AC_CHECK_LIB(ncurses, tparm)
1870
1871 # These tell us which Kerberos-related libraries to use.
1872 if test "${with_kerberos+set}" = set; then
1873   AC_CHECK_LIB(com_err, com_err)
1874   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1875   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1876   AC_CHECK_LIB(krb5, krb5_init_context)
1877   if test "${with_kerberos5+set}" != set; then
1878     AC_CHECK_LIB(des425, des_cbc_encrypt,,
1879                  AC_CHECK_LIB(des, des_cbc_encrypt))
1880     AC_CHECK_LIB(krb4, krb_get_cred,,
1881                  AC_CHECK_LIB(krb, krb_get_cred))
1882   fi
1883
1884   if test "${with_kerberos5+set}" = set; then
1885     AC_CHECK_HEADERS(krb5.h)
1886   else
1887     AC_CHECK_HEADERS(des.h,,
1888                      AC_CHECK_HEADERS(kerberosIV/des.h,,
1889                                       AC_CHECK_HEADERS(kerberos/des.h)))
1890     AC_CHECK_HEADERS(krb.h,,
1891                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
1892                                       AC_CHECK_HEADERS(kerberos/krb.h)))
1893   fi
1894   AC_CHECK_HEADERS(com_err.h)
1895 fi
1896
1897 # Solaris requires -lintl if you want strerror (which calls dgettext)
1898 # to return localized messages.
1899 AC_CHECK_LIB(intl, dgettext)
1900
1901 AC_MSG_CHECKING(whether localtime caches TZ)
1902 AC_CACHE_VAL(emacs_cv_localtime_cache,
1903 [if test x$ac_cv_func_tzset = xyes; then
1904 AC_TRY_RUN([#include <time.h>
1905 extern char **environ;
1906 unset_TZ ()
1907 {
1908   char **from, **to;
1909   for (to = from = environ; (*to = *from); from++)
1910     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1911       to++;
1912 }
1913 char TZ_GMT0[] = "TZ=GMT0";
1914 char TZ_PST8[] = "TZ=PST8";
1915 main()
1916 {
1917   time_t now = time ((time_t *) 0);
1918   int hour_GMT0, hour_unset;
1919   if (putenv (TZ_GMT0) != 0)
1920     exit (1);
1921   hour_GMT0 = localtime (&now)->tm_hour;
1922   unset_TZ ();
1923   hour_unset = localtime (&now)->tm_hour;
1924   if (putenv (TZ_PST8) != 0)
1925     exit (1);
1926   if (localtime (&now)->tm_hour == hour_GMT0)
1927     exit (1);
1928   unset_TZ ();
1929   if (localtime (&now)->tm_hour != hour_unset)
1930     exit (1);
1931   exit (0);
1932 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1933 [# If we have tzset, assume the worst when cross-compiling.
1934 emacs_cv_localtime_cache=yes])
1935 else
1936         # If we lack tzset, report that localtime does not cache TZ,
1937         # since we can't invalidate the cache if we don't have tzset.
1938         emacs_cv_localtime_cache=no
1939 fi])dnl
1940 AC_MSG_RESULT($emacs_cv_localtime_cache)
1941 if test $emacs_cv_localtime_cache = yes; then
1942   AC_DEFINE(LOCALTIME_CACHE)
1943 fi
1944
1945 if test "x$HAVE_TIMEVAL" = xyes; then
1946 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1947                emacs_cv_gettimeofday_two_arguments,
1948 AC_TRY_LINK([
1949 #ifdef TIME_WITH_SYS_TIME
1950 #include <sys/time.h>
1951 #include <time.h>
1952 #else
1953 #ifdef HAVE_SYS_TIME_H
1954 #include <sys/time.h>
1955 #else
1956 #include <time.h>
1957 #endif
1958 #endif
1959   ],
1960   [
1961   struct timeval time;
1962   struct timezone dummy;
1963   gettimeofday (&time, &dummy);
1964 ],
1965   emacs_cv_gettimeofday_two_arguments=yes,
1966   emacs_cv_gettimeofday_two_arguments=no))
1967   if test $emacs_cv_gettimeofday_two_arguments = no; then
1968     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1969   fi
1970 fi
1971
1972 ok_so_far=yes
1973 AC_CHECK_FUNC(socket, , ok_so_far=no)
1974 if test $ok_so_far = yes; then
1975   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1976 fi
1977 if test $ok_so_far = yes; then
1978   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1979 fi
1980 if test $ok_so_far = yes; then
1981   AC_DEFINE(HAVE_INET_SOCKETS)
1982 fi
1983
1984 if test -f /usr/lpp/X11/bin/smt.exp; then
1985   AC_DEFINE(HAVE_AIX_SMT_EXP)
1986 fi
1987
1988 AC_MSG_CHECKING(whether system supports dynamic ptys)
1989 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
1990   AC_MSG_RESULT(yes)
1991   AC_DEFINE(HAVE_DEV_PTMX)
1992 else
1993   AC_MSG_RESULT(no)
1994 fi
1995
1996 AC_FUNC_VFORK
1997
1998 # Set up the CFLAGS for real compilation, so we can substitute it.
1999 CFLAGS="$REAL_CFLAGS"
2000
2001 changequote(, )dnl
2002 #### Find out which version of Emacs this is.
2003 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
2004          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2005 changequote([, ])dnl
2006 if test x"${version}" = x; then
2007   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2008 fi
2009
2010 ### Specify what sort of things we'll be editing into Makefile and config.h.
2011 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2012 AC_SUBST(version)
2013 AC_SUBST(configuration)
2014 AC_SUBST(canonical)
2015 AC_SUBST(srcdir)
2016 AC_SUBST(prefix)
2017 AC_SUBST(exec_prefix)
2018 AC_SUBST(bindir)
2019 AC_SUBST(datadir)
2020 AC_SUBST(sharedstatedir)
2021 AC_SUBST(libexecdir)
2022 AC_SUBST(mandir)
2023 AC_SUBST(infodir)
2024 AC_SUBST(lispdir)
2025 AC_SUBST(locallisppath)
2026 AC_SUBST(lisppath)
2027 AC_SUBST(x_default_search_path)
2028 AC_SUBST(etcdir)
2029 AC_SUBST(archlibdir)
2030 AC_SUBST(docdir)
2031 AC_SUBST(bitmapdir)
2032 AC_SUBST(c_switch_system)
2033 AC_SUBST(c_switch_machine)
2034 AC_SUBST(LD_SWITCH_X_SITE)
2035 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2036 AC_SUBST(C_SWITCH_X_SITE)
2037 AC_SUBST(CFLAGS)
2038 AC_SUBST(X_TOOLKIT_TYPE)
2039 AC_SUBST(machfile)
2040 AC_SUBST(opsysfile)
2041
2042 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2043 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2044 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2045 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2046 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2047 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2048 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2049 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2050
2051 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2052   AC_DEFINE(HAVE_X_WINDOWS)
2053 fi
2054 if test "${USE_X_TOOLKIT}" != "none" ; then
2055   AC_DEFINE(USE_X_TOOLKIT)
2056 fi
2057 if test "${HAVE_X11}" = "yes" ; then
2058   AC_DEFINE(HAVE_X11)
2059 fi
2060 if test "${HAVE_XFREE386}" = "yes" ; then
2061   AC_DEFINE(HAVE_XFREE386)
2062 fi
2063 if test "${HAVE_MENUS}" = "yes" ; then
2064   AC_DEFINE(HAVE_MENUS)
2065 fi
2066 if test "${GNU_MALLOC}" = "yes" ; then
2067   AC_DEFINE(GNU_MALLOC)
2068 fi
2069 if test "${REL_ALLOC}" = "yes" ; then
2070   AC_DEFINE(REL_ALLOC)
2071 fi
2072
2073 #### Report on what we decided to do.
2074 echo "
2075 Configured for \`${canonical}'.
2076
2077   Where should the build process find the source code?    ${srcdir}
2078   What operating system and machine description files should Emacs use?
2079         \`${opsysfile}' and \`${machfile}'
2080   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2081   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2082   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
2083   What window system should Emacs use?                    ${window_system}
2084   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2085
2086 if test -n "${x_includes}"; then
2087 echo "  Where do we find X Windows header files?                ${x_includes}"
2088 else
2089 echo "  Where do we find X Windows header files?                Standard dirs"
2090 fi
2091 if test -n "${x_libraries}"; then
2092 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2093 else
2094 echo "  Where do we find X Windows libraries?                   Standard dirs"
2095 fi
2096
2097 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2098 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2099 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2100 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2101 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2102 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2103 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2104 echo
2105
2106 # Remove any trailing slashes in these variables.
2107 changequote(, )dnl
2108 test "${prefix}" != NONE &&
2109   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2110 test "${exec_prefix}" != NONE &&
2111   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2112 changequote([, ])dnl
2113
2114 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2115         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2116         leim/Makefile, [
2117
2118 ### Make the necessary directories, if they don't exist.
2119 for dir in etc lisp ; do
2120   test -d ${dir} || mkdir ${dir}
2121 done
2122
2123 # Build src/Makefile from ${srcdir}/src/Makefile.c
2124 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2125 # This must be done after src/config.h is built, since we rely on that file.
2126
2127 changequote(, )dnl The horror, the horror.
2128 # Now get this: Some word that is part of the ${srcdir} directory name
2129 # or the ${configuration} value might, just might, happen to be an
2130 # identifier like `sun4' or `i386' or something, and be predefined by
2131 # the C preprocessor to some helpful value like 1, or maybe the empty
2132 # string.  Needless to say consequent macro substitutions are less
2133 # than conducive to the makefile finding the correct directory.
2134 undefs="`echo $top_srcdir $configuration $canonical |
2135 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2136     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2137 `"
2138 changequote([, ])dnl
2139
2140 echo creating src/epaths.h
2141 make epaths-force
2142
2143 echo creating lib-src/Makefile
2144 ( cd lib-src
2145   rm -f junk.c junk1.c junk2.c
2146   sed -e '/start of cpp stuff/q' \
2147       < Makefile.c > junk1.c
2148   sed -e '1,/start of cpp stuff/d'\
2149       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2150       < Makefile.c > junk.c
2151   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2152       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2153   cat junk1.c junk2.c > Makefile.new
2154   rm -f junk.c junk1.c junk2.c
2155   chmod 444 Makefile.new
2156   mv -f Makefile.new Makefile
2157 )
2158
2159 echo creating src/Makefile
2160 ( cd src
2161   rm -f junk.c junk1.c junk2.c
2162   sed -e '/start of cpp stuff/q' \
2163       < Makefile.c > junk1.c
2164   sed -e '1,/start of cpp stuff/d'\
2165       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2166       < Makefile.c > junk.c
2167   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2168       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2169   cat junk1.c junk2.c > Makefile.new
2170   rm -f junk.c junk1.c junk2.c
2171   chmod 444 Makefile.new
2172   mv -f Makefile.new Makefile
2173 )
2174
2175 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2176   echo creating src/.gdbinit
2177   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2178 fi
2179
2180 # This is how we know whether to re-run configure in certain cases.
2181 touch src/config.stamp
2182
2183 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])