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