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   ;;
 256
 257   alpha*-*-linux-gnu* )
 258     machine=alpha opsys=gnu-linux
 259   ;;
 260
 261   arm*-*-linux-gnu* )
 262     machine=arm opsys=gnu-linux
 263   ;;
 264
 265   ppc-*-linux | \
 266   powerpc-*-linux* )
 267     machine=powerpc opsys=gnu-linux
 268   ;;
 269
 270   ## Altos 3068
 271   m68*-altos-sysv* )
 272     machine=altos opsys=usg5-2
 273   ;;
 274
 275   ## Amdahl UTS
 276   580-amdahl-sysv* )
 277     machine=amdahl opsys=usg5-2-2
 278   ;;
 279
 280   ## Apollo, Domain/OS
 281   m68*-apollo-* )
 282     machine=apollo opsys=bsd4-3
 283   ;;
 284
 285   ## AT&T 3b2, 3b5, 3b15, 3b20
 286   we32k-att-sysv* )
 287     machine=att3b opsys=usg5-2-2
 288   ;;
 289
 290   ## AT&T 3b1 - The Mighty Unix PC!
 291   m68*-att-sysv* )
 292     machine=7300 opsys=usg5-2-2
 293   ;;
 294
 295   ## Bull dpx20
 296   rs6000-bull-bosx* )
 297     machine=ibmrs6000 opsys=aix3-2
 298   ;;
 299
 300   ## Bull dpx2
 301   m68*-bull-sysv3* )
 302     machine=dpx2 opsys=usg5-3
 303   ;;
 304
 305   ## Bull sps7
 306   m68*-bull-sysv2* )
 307     machine=sps7 opsys=usg5-2
 308   ;;
 309
 310   ## CCI 5/32, 6/32 -- see "Tahoe".
 311
 312   ## Celerity
 313   ## I don't know what configuration name to use for this; config.sub
 314   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 315   ## in touch with us!
 316   celerity-celerity-bsd* )
 317     machine=celerity opsys=bsd4-2
 318   ;;
 319
 320   ## Clipper
 321   ## What operating systems does this chip run that Emacs has been
 322   ## tested on?
 323   clipper-* )
 324     machine=clipper
 325     ## We'll use the catch-all code at the bottom to guess the
 326     ## operating system.
 327   ;;
 328
 329   ## Convex
 330   *-convex-bsd* | *-convex-convexos* )
 331     machine=convex opsys=bsd4-3
 332     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 333     NON_GNU_CPP="cc -E -P"
 334   ;;
 335
 336   ## Cubix QBx/386
 337   i[3456]86-cubix-sysv* )
 338     machine=intel386 opsys=usg5-3
 339   ;;
 340
 341   ## Cydra 5
 342   cydra*-cydrome-sysv* )
 343     machine=cydra5 opsys=usg5-3
 344   ;;
 345
 346   ## Data General AViiON Machines
 347   ## DG changed naming conventions with the release of 5.4.4.10, they
 348   ## dropped the initial 5.4 but left the intervening R.  Because of the
 349   ## R this shouldn't conflict with older versions of the OS (which I
 350   ## think were named like dgux4.*). In addition, DG new AViiONs series
 351   ## uses either Motorola M88k or Intel Pentium CPUs.
 352   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 353     machine=aviion opsys=dgux4
 354   ;;
 355   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 356     ## This name is dgux5-4-3 instead of dgux5-4r3
 357     ## to avoid a file name conflict on MSDOS.
 358     machine=aviion opsys=dgux5-4-3
 359   ;;
 360   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 361     machine=aviion opsys=dgux5-4r2
 362   ;;
 363   m88k-dg-dgux* )
 364     machine=aviion opsys=dgux
 365   ;;
 366
 367   ## Data General AViiON Intel (x86) Machines
 368   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 369   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 370   i[345]86-dg-dguxR4* )
 371     machine=aviion-intel opsys=dgux4
 372   ;;
 373
 374   ## DECstations
 375   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 376     machine=pmax opsys=bsd4-2
 377   ;;
 378   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 379     machine=pmax opsys=bsd4-3
 380   ;;
 381   mips-dec-ultrix* )
 382     machine=pmax opsys=ultrix4-3
 383   ;;
 384   mips-dec-osf* )
 385     machine=pmax opsys=osf1
 386   ;;
 387   mips-dec-mach_bsd4.3* )
 388     machine=pmax opsys=mach-bsd4-3
 389   ;;
 390
 391   ## Motorola Delta machines
 392   m68k-motorola-sysv* | m68000-motorola-sysv* )
 393     machine=delta opsys=usg5-3
 394     if test -z "`type gnucc | grep 'not found'`"
 395     then
 396       if test -s /etc/167config
 397       then CC="gnucc -m68040"
 398       else CC="gnucc -m68881"
 399       fi
 400     else
 401       if test -z "`type gcc | grep 'not found'`"
 402       then CC=gcc
 403       else CC=cc
 404       fi
 405     fi
 406   ;;
 407   m88k-motorola-sysv4* )
 408     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 409     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 410     # I hope there are not other 4.0 versions for this machine
 411     # which really need usg5-4 instead.
 412     machine=delta88k opsys=usg5-4-2
 413   ;;
 414   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 415     machine=delta88k opsys=usg5-3
 416   ;;
 417
 418   ## Dual machines
 419   m68*-dual-sysv* )
 420     machine=dual opsys=usg5-2
 421   ;;
 422   m68*-dual-uniplus* )
 423     machine=dual opsys=unipl5-2
 424   ;;
 425
 426   ## Elxsi 6400
 427   elxsi-elxsi-sysv* )
 428     machine=elxsi opsys=usg5-2
 429   ;;
 430
 431   ## Encore machines
 432   ns16k-encore-bsd* )
 433     machine=ns16000 opsys=umax
 434   ;;
 435
 436   ## The GEC 93 - apparently, this port isn't really finished yet.
 437
 438   ## Gould Power Node and NP1
 439   pn-gould-bsd4.2* )
 440     machine=gould opsys=bsd4-2
 441   ;;
 442   pn-gould-bsd4.3* )
 443     machine=gould opsys=bsd4-3
 444   ;;
 445   np1-gould-bsd* )
 446     machine=gould-np1 opsys=bsd4-3
 447   ;;
 448
 449   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 450   ## as far as Emacs is concerned).
 451   m88k-harris-cxux* )
 452     # Build needs to be different on 7.0 and later releases
 453     case "`uname -r`" in
 454        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 455        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 456     esac
 457     NON_GNU_CPP="/lib/cpp"
 458   ;;
 459   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 460   m68k-harris-cxux* )
 461     machine=nh3000 opsys=cxux
 462   ;;
 463   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 464   powerpc-harris-powerunix )
 465     machine=nh6000 opsys=powerunix
 466     NON_GNU_CPP="cc -Xo -E -P"
 467   ;;
 468   ## SR2001/SR2201 running HI-UX/MPP
 469   hppa1.1-hitachi-hiuxmpp* )
 470     machine=sr2k opsys=hiuxmpp
 471   ;;
 472   ## Honeywell XPS100
 473   xps*-honeywell-sysv* )
 474     machine=xps100 opsys=usg5-2
 475   ;;
 476
 477   ## HP 9000 series 200 or 300
 478   m68*-hp-bsd* )
 479     machine=hp9000s300 opsys=bsd4-3
 480   ;;
 481   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 482   m68*-hp-hpux* )
 483     case "`uname -r`" in
 484       ## Someone's system reports A.B8.05 for this.
 485       ## I wonder what other possibilities there are.
 486       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 487       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 488       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 489       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 490       *) machine=hp9000s300 opsys=hpux ;;
 491     esac
 492   ;;
 493
 494   ## HP 9000 series 700 and 800, running HP/UX
 495   hppa*-hp-hpux7* )
 496     machine=hp800 opsys=hpux
 497   ;;
 498   hppa*-hp-hpux8* )
 499     machine=hp800 opsys=hpux8
 500   ;;
 501   hppa*-hp-hpux9shr* )
 502     machine=hp800 opsys=hpux9shr
 503   ;;
 504   hppa*-hp-hpux9* )
 505     machine=hp800 opsys=hpux9
 506   ;;
 507   hppa*-hp-hpux1[0-9]* )
 508     machine=hp800 opsys=hpux10
 509   ;;
 510
 511   ## HP 9000 series 700 and 800, running HP/UX
 512   hppa*-hp-hpux* )
 513     ## Cross-compilation?  Nah!
 514     case "`uname -r`" in
 515       ## Someone's system reports A.B8.05 for this.
 516       ## I wonder what other possibilities there are.
 517       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 518       *.08.* ) machine=hp800 opsys=hpux8 ;;
 519       *.09.* ) machine=hp800 opsys=hpux9 ;;
 520       *) machine=hp800 opsys=hpux10 ;;
 521     esac
 522   ;;
 523   hppa*-*-nextstep* )
 524     machine=hp800 opsys=nextstep
 525   ;;
 526
 527   ## Orion machines
 528   orion-orion-bsd* )
 529     machine=orion opsys=bsd4-2
 530   ;;
 531   clipper-orion-bsd* )
 532     machine=orion105 opsys=bsd4-2
 533   ;;
 534
 535   ## IBM machines
 536   i[3456]86-ibm-aix1.1* )
 537     machine=ibmps2-aix opsys=usg5-2-2
 538   ;;
 539   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 540     machine=ibmps2-aix opsys=usg5-3
 541   ;;
 542   i370-ibm-aix*)
 543     machine=ibm370aix opsys=usg5-3
 544   ;;
 545   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 546     machine=ibmrs6000 opsys=aix3-1
 547   ;;
 548   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 549     machine=ibmrs6000 opsys=aix3-2-5
 550   ;;
 551   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 552     machine=ibmrs6000 opsys=aix4-1
 553   ;;
 554   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 555     machine=ibmrs6000 opsys=aix4-2
 556   ;;
 557   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 558     machine=ibmrs6000 opsys=aix4
 559   ;;
 560   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 561     machine=ibmrs6000 opsys=aix4-1
 562   ;;
 563   rs6000-ibm-aix* | powerpc-ibm-aix* )
 564     machine=ibmrs6000 opsys=aix3-2
 565   ;;
 566   romp-ibm-bsd4.3* )
 567     machine=ibmrt opsys=bsd4-3
 568   ;;
 569   romp-ibm-bsd4.2* )
 570     machine=ibmrt opsys=bsd4-2
 571   ;;
 572   romp-ibm-aos4.3* )
 573     machine=ibmrt opsys=bsd4-3
 574   ;;
 575   romp-ibm-aos4.2* )
 576     machine=ibmrt opsys=bsd4-2
 577   ;;
 578   romp-ibm-aos* )
 579     machine=ibmrt opsys=bsd4-3
 580   ;;
 581   romp-ibm-bsd* )
 582     machine=ibmrt opsys=bsd4-3
 583   ;;
 584   romp-ibm-aix* )
 585     machine=ibmrt-aix opsys=usg5-2-2
 586   ;;
 587
 588   ## Integrated Solutions `Optimum V'
 589   m68*-isi-bsd4.2* )
 590     machine=isi-ov opsys=bsd4-2
 591   ;;
 592   m68*-isi-bsd4.3* )
 593     machine=isi-ov opsys=bsd4-3
 594   ;;
 595
 596   ## Intel 386 machines where we do care about the manufacturer
 597   i[3456]86-intsys-sysv* )
 598     machine=is386 opsys=usg5-2-2
 599   ;;
 600
 601   ## Prime EXL
 602   i[3456]86-prime-sysv* )
 603     machine=i386 opsys=usg5-3
 604   ;;
 605
 606   ## Sequent Symmetry running Dynix
 607   i[3456]86-sequent-bsd* )
 608     machine=symmetry opsys=bsd4-3
 609   ;;
 610
 611   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 612   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 613     machine=sequent-ptx opsys=ptx4
 614     NON_GNU_CPP=/lib/cpp
 615   ;;
 616
 617   ## Sequent Symmetry running DYNIX/ptx
 618   ## Use the old cpp rather than the newer ANSI one.
 619   i[3456]86-sequent-ptx* )
 620     machine=sequent-ptx opsys=ptx
 621     NON_GNU_CPP="/lib/cpp"
 622   ;;
 623
 624   ## ncr machine running svr4.3.
 625   i[3456]86-ncr-sysv4.3 )
 626     machine=ncr386 opsys=usg5-4-3
 627   ;;
 628
 629   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 630   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 631   i[3456]86-ncr-sysv* )
 632     machine=ncr386 opsys=usg5-4-2
 633   ;;
 634
 635   ## Intel Paragon OSF/1
 636   i860-intel-osf1* )
 637     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 638   ;;
 639
 640   ## Intel 860
 641   i860-*-sysv4* )
 642     machine=i860 opsys=usg5-4
 643     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 644     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 645   ;;
 646
 647   ## Masscomp machines
 648   m68*-masscomp-rtu* )
 649     machine=masscomp opsys=rtu
 650   ;;
 651
 652   ## Megatest machines
 653   m68*-megatest-bsd* )
 654     machine=mega68 opsys=bsd4-2
 655   ;;
 656
 657   ## Workstations sold by MIPS
 658   ## This is not necessarily all workstations using the MIPS processor -
 659   ## Irises are produced by SGI, and DECstations by DEC.
 660
 661   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 662   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 663   ## it gives for choosing between the alternatives seems to be "Use
 664   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 665   ## the BSD world."  I'll assume that these are instructions for
 666   ## handling two odd situations, and that every other situation
 667   ## should use mips.h and usg5-2-2, they being listed first.
 668   mips-mips-usg* )
 669     machine=mips4
 670     ## Fall through to the general code at the bottom to decide on the OS.
 671   ;;
 672   mips-mips-riscos4* )
 673     machine=mips4 opsys=bsd4-3
 674     NON_GNU_CC="cc -systype bsd43"
 675     NON_GNU_CPP="cc -systype bsd43 -E"
 676   ;;
 677   mips-mips-riscos5* )
 678     machine=mips4 opsys=riscos5
 679     NON_GNU_CC="cc -systype bsd43"
 680     NON_GNU_CPP="cc -systype bsd43 -E"
 681   ;;
 682   mips-mips-bsd* )
 683     machine=mips opsys=bsd4-3
 684   ;;
 685   mips-mips-* )
 686     machine=mips opsys=usg5-2-2
 687   ;;
 688
 689   ## NeXT
 690   m68*-next-* | m68k-*-nextstep* )
 691     machine=m68k opsys=nextstep
 692   ;;
 693
 694   ## The complete machine from National Semiconductor
 695   ns32k-ns-genix* )
 696     machine=ns32000 opsys=usg5-2
 697   ;;
 698
 699   ## NCR machines
 700   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 701     machine=tower32 opsys=usg5-2-2
 702   ;;
 703   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 704     machine=tower32v3 opsys=usg5-3
 705   ;;
 706
 707   ## NEC EWS4800
 708   mips-nec-sysv4*)
 709   machine=ews4800 opsys=ux4800
 710   ;;
 711
 712   ## Nixdorf Targon 31
 713   m68*-nixdorf-sysv* )
 714     machine=targon31 opsys=usg5-2-2
 715   ;;
 716
 717   ## Nu (TI or LMI)
 718   m68*-nu-sysv* )
 719     machine=nu opsys=usg5-2
 720   ;;
 721
 722   ## Plexus
 723   m68*-plexus-sysv* )
 724     machine=plexus opsys=usg5-2
 725   ;;
 726
 727   ## PowerPC reference platform
 728   powerpcle-*-solaris2* )
 729     machine=prep
 730     opsys=sol2-5
 731   ;;
 732
 733   ## Pyramid machines
 734   ## I don't really have any idea what sort of processor the Pyramid has,
 735   ## so I'm assuming it is its own architecture.
 736   pyramid-pyramid-bsd* )
 737     machine=pyramid opsys=bsd4-2
 738   ;;
 739
 740   ## Sequent Balance
 741   ns32k-sequent-bsd4.2* )
 742     machine=sequent opsys=bsd4-2
 743   ;;
 744   ns32k-sequent-bsd4.3* )
 745     machine=sequent opsys=bsd4-3
 746   ;;
 747
 748   ## Siemens Nixdorf
 749   mips-siemens-sysv* | mips-sni-sysv*)
 750     machine=mips-siemens opsys=usg5-4
 751     NON_GNU_CC=/usr/ccs/bin/cc
 752     NON_GNU_CPP=/usr/ccs/lib/cpp
 753   ;;
 754
 755   ## Silicon Graphics machines
 756   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 757   m68*-sgi-iris3.5* )
 758     machine=irist opsys=iris3-5
 759   ;;
 760   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 761     machine=irist opsys=iris3-6
 762   ;;
 763   ## Iris 4D
 764   mips-sgi-irix3* )
 765     machine=iris4d opsys=irix3-3
 766   ;;
 767   mips-sgi-irix4* )
 768     machine=iris4d opsys=irix4-0
 769   ;;
 770   mips-sgi-irix6.5 )
 771     machine=iris4d opsys=irix6-5
 772     # Without defining _LANGUAGE_C, things get masked out in the headers
 773     # so that, for instance, grepping for `free' in stdlib.h fails and
 774     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 775     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 776     NON_GCC_TEST_OPTIONS="-n32 -G0 -D_LANGUAGE_C"
 777   ;;
 778   mips-sgi-irix6* )
 779     machine=iris4d opsys=irix6-0
 780     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 781     # but presumably it does no harm.
 782     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 783     NON_GCC_TEST_OPTIONS=-32
 784   ;;
 785   mips-sgi-irix5.[01]* )
 786     machine=iris4d opsys=irix5-0
 787   ;;
 788   mips-sgi-irix5* | mips-sgi-irix* )
 789     machine=iris4d opsys=irix5-2
 790   ;;
 791
 792   ## SONY machines
 793   m68*-sony-bsd4.2* )
 794     machine=news opsys=bsd4-2
 795   ;;
 796   m68*-sony-bsd4.3* )
 797     machine=news opsys=bsd4-3
 798   ;;
 799   m68*-sony-newsos3* | m68*-sony-news3*)
 800     machine=news opsys=bsd4-3
 801   ;;
 802   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 803     machine=news-risc opsys=bsd4-3
 804   ;;
 805   mips-sony-newsos6* )
 806     machine=news-r6 opsys=newsos6
 807   ;;
 808   mips-sony-news* )
 809     machine=news-risc opsys=newsos5
 810   ;;
 811
 812   ## Stride
 813   m68*-stride-sysv* )
 814     machine=stride opsys=usg5-2
 815   ;;
 816
 817   ## Suns
 818   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 819     machine=sparc opsys=gnu-linux
 820   ;;
 821
 822   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 823     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 824     | rs6000-*-solaris2*)
 825     case "${canonical}" in
 826       m68*-sunos1* )    machine=sun1 ;;
 827       m68*-sunos2* )    machine=sun2 ;;
 828       m68* )            machine=sun3 ;;
 829       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 830       i[3456]86-*-* )     machine=intel386 ;;
 831       powerpcle* )      machine=powerpcle ;;
 832       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 833       sparc* )          machine=sparc ;;
 834       * )               unported=yes ;;
 835     esac
 836     case "${canonical}" in
 837       ## The Sun386 didn't get past 4.0.
 838       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 839       *-sunos4.0*         ) opsys=sunos4-0 ;;
 840       *-sunos4.1.[3-9]*noshare )
 841                 ## This name is sunos413 instead of sunos4-1-3
 842                 ## to avoid a file name conflict on MSDOS.
 843                 opsys=sunos413
 844                 NON_GNU_CPP=/usr/lib/cpp
 845                 NON_GCC_TEST_OPTIONS=-Bstatic
 846                 GCC_TEST_OPTIONS=-static
 847                 ;;
 848       *-sunos4.1.[3-9]* | *-sunos4shr*)
 849                 opsys=sunos4shr
 850                 NON_GNU_CPP=/usr/lib/cpp
 851                 ;;
 852       *-sunos4* | *-sunos )
 853                 opsys=sunos4-1
 854                 NON_GCC_TEST_OPTIONS=-Bstatic
 855                 GCC_TEST_OPTIONS=-static
 856                 ;;
 857       *-sunos5.3* | *-solaris2.3* )
 858                 opsys=sol2-3
 859                 NON_GNU_CPP=/usr/ccs/lib/cpp
 860                 ;;
 861       *-sunos5.4* | *-solaris2.4* )
 862                 opsys=sol2-4
 863                 NON_GNU_CPP=/usr/ccs/lib/cpp
 864                 RANLIB="ar -ts"
 865                 ;;
 866       *-sunos5.5* | *-solaris2.5* )
 867                 opsys=sol2-5
 868                 NON_GNU_CPP=/usr/ccs/lib/cpp
 869                 RANLIB="ar -ts"
 870                 ;;
 871       *-sunos5* | *-solaris* )
 872                 opsys=sol2-5
 873                 NON_GNU_CPP=/usr/ccs/lib/cpp
 874                 ;;
 875       *                   ) opsys=bsd4-2   ;;
 876     esac
 877     ## Watch out for a compiler that we know will not work.
 878     case "${canonical}" in
 879      *-solaris* | *-sunos5* )
 880                 if [ "x$CC" = x/usr/ucb/cc ]; then
 881                   ## /usr/ucb/cc doesn't work;
 882                   ## we should find some other compiler that does work.
 883                   unset CC
 884                 fi
 885                 ;;
 886       *) ;;
 887     esac
 888   ;;
 889   sparc-*-nextstep* )
 890     machine=sparc opsys=nextstep
 891   ;;
 892
 893   ## Tadpole 68k
 894   m68*-tadpole-sysv* )
 895     machine=tad68k opsys=usg5-3
 896   ;;
 897
 898   ## Tahoe machines
 899   tahoe-tahoe-bsd4.2* )
 900     machine=tahoe opsys=bsd4-2
 901   ;;
 902   tahoe-tahoe-bsd4.3* )
 903     machine=tahoe opsys=bsd4-3
 904   ;;
 905
 906   ## Tandem Integrity S2
 907   mips-tandem-sysv* )
 908     machine=tandem-s2 opsys=usg5-3
 909   ;;
 910
 911   ## Tektronix XD88
 912   m88k-tektronix-sysv3* )
 913   machine=tekxd88 opsys=usg5-3
 914   ;;
 915
 916   ## Tektronix 16000 box (6130?)
 917   ns16k-tektronix-bsd* )
 918     machine=ns16000 opsys=bsd4-2
 919   ;;
 920   ## Tektronix 4300
 921   ## src/m/tek4300.h hints that this is a m68k machine.
 922   m68*-tektronix-bsd* )
 923     machine=tek4300 opsys=bsd4-3
 924   ;;
 925
 926   ## Titan P2 or P3
 927   ## We seem to have lost the machine-description file titan.h!
 928   titan-titan-sysv* )
 929     machine=titan opsys=usg5-3
 930   ;;
 931
 932   ## Ustation E30 (SS5E)
 933   m68*-unisys-uniplus* )
 934     machine=ustation opsystem=unipl5-2
 935   ;;
 936
 937   ## Vaxen.
 938   vax-dec-* )
 939     machine=vax
 940     case "${canonical}" in
 941       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 942       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 943       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 944       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 945       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 946       *-vms* )                                          opsys=vms ;;
 947       * )                                               unported=yes
 948     esac
 949   ;;
 950
 951   ## Whitechapel MG1
 952   ns16k-whitechapel-* )
 953     machine=mg1
 954     ## We don't know what sort of OS runs on these; we'll let the
 955     ## operating system guessing code below try.
 956   ;;
 957
 958   ## Wicat
 959   m68*-wicat-sysv* )
 960     machine=wicat opsys=usg5-2
 961   ;;
 962
 963   ## Intel 386 machines where we don't care about the manufacturer
 964   i[3456]86-*-* )
 965     machine=intel386
 966     case "${canonical}" in
 967       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 968       *-isc2.2* )               opsys=isc2-2 ;;
 969       *-isc4.0* )               opsys=isc4-0 ;;
 970       *-isc4.* )                opsys=isc4-1
 971                                 GCC_TEST_OPTIONS=-posix
 972                                 NON_GCC_TEST_OPTIONS=-Xp
 973                                 ;;
 974       *-isc* )                  opsys=isc3-0 ;;
 975       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 976       *-esix* )                 opsys=esix ;;
 977       *-xenix* )                opsys=xenix ;;
 978       *-linux-gnu* )            opsys=gnu-linux ;;
 979       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 980       *-sco3.2v5* )             opsys=sco5
 981                                 NON_GNU_CPP=/lib/cpp
 982                                 # Prevent -belf from being passed to $CPP.
 983                                 # /lib/cpp does not accept it.
 984                                 OVERRIDE_CPPFLAGS=" "
 985                                 ;;
 986       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 987       *-386bsd* )               opsys=386bsd ;;
 988       *-freebsd* )              opsys=freebsd ;;
 989       *-nextstep* )             opsys=nextstep ;;
 990       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 991     esac
 992   ;;
 993
 994   ## m68k Linux-based GNU system
 995   m68k-*-linux-gnu* )
 996     machine=m68k opsys=gnu-linux
 997   ;;
 998
 999   ## Mips Linux-based GNU system
1000   mips-*-linux-gnu* )
1001     machine=mips opsys=gnu-linux
1002   ;;
1003
1004   ## UXP/DS
1005   sparc-fujitsu-sysv4* )
1006     machine=sparc opsys=uxpds
1007     NON_GNU_CPP=/usr/ccs/lib/cpp
1008     RANLIB="ar -ts"
1009   ;;
1010
1011   ## UXP/V
1012   f301-fujitsu-uxpv4.1)
1013     machine=f301 opsys=uxpv
1014   ;;
1015
1016   * )
1017     unported=yes
1018   ;;
1019 esac
1020
1021 ### If the code above didn't choose an operating system, just choose
1022 ### an operating system based on the configuration name.  You really
1023 ### only want to use this when you have no idea what the right
1024 ### operating system is; if you know what operating systems a machine
1025 ### runs, it's cleaner to make it explicit in the case statement
1026 ### above.
1027 if test x"${opsys}" = x; then
1028   case "${canonical}" in
1029     *-gnu* )                            opsys=gnu ;;
1030     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1031     *-bsd4.2 )                          opsys=bsd4-2 ;;
1032     *-bsd4.3 )                          opsys=bsd4-3 ;;
1033     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1034     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1035     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1036     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1037     *-sysv4.2uw* )                      opsys=unixware ;;
1038     *-sysv4.1* | *-sysvr4.1* )
1039         NON_GNU_CPP=/usr/lib/cpp
1040         opsys=usg5-4 ;;
1041     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1042         if [ x$NON_GNU_CPP = x ]; then
1043           if [ -f /usr/ccs/lib/cpp ]; then
1044             NON_GNU_CPP=/usr/ccs/lib/cpp
1045           else
1046             NON_GNU_CPP=/lib/cpp
1047           fi
1048         fi
1049         opsys=usg5-4-2 ;;
1050     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1051     * )
1052       unported=yes
1053     ;;
1054   esac
1055 fi
1056
1057 if test "x$RANLIB" = x; then
1058   RANLIB=ranlib
1059 fi
1060
1061 changequote([, ])dnl
1062
1063 if test $unported = yes; then
1064   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1065 Check \`etc/MACHINES' for recognized configuration names.])
1066 fi
1067
1068 machfile="m/${machine}.h"
1069 opsysfile="s/${opsys}.h"
1070
1071
1072 #### Choose a compiler.
1073 test -n "$CC" && cc_specified=yes
1074
1075 # Save the value of CFLAGS that the user specified.
1076 SPECIFIED_CFLAGS="$CFLAGS"
1077
1078 case ${with_gcc} in
1079   "yes" ) CC="gcc" GCC=yes ;;
1080   "no"  ) : ${CC=cc} ;;
1081   * ) AC_PROG_CC
1082 esac
1083
1084 # On Suns, sometimes $CPP names a directory.
1085 if test -n "$CPP" && test -d "$CPP"; then
1086   CPP=
1087 fi
1088
1089 #### Some systems specify a CPP to use unless we are using GCC.
1090 #### Now that we know whether we are using GCC, we can decide whether
1091 #### to use that one.
1092 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1093 then
1094   CPP="$NON_GNU_CPP"
1095 fi
1096
1097 #### Some systems specify a CC to use unless we are using GCC.
1098 #### Now that we know whether we are using GCC, we can decide whether
1099 #### to use that one.
1100 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1101   test x$cc_specified != xyes
1102 then
1103   CC="$NON_GNU_CC"
1104 fi
1105
1106 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1107 then
1108   CC="$CC $GCC_TEST_OPTIONS"
1109 fi
1110
1111 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1112 then
1113   CC="$CC $NON_GCC_TEST_OPTIONS"
1114 fi
1115
1116 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1117 then
1118   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1119 fi
1120
1121 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1122 then
1123   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1124 fi
1125
1126 #### Some other nice autoconf tests.  If you add a test here which
1127 #### should make an entry in src/config.h, don't forget to add an
1128 #### #undef clause to src/config.h.in for autoconf to modify.
1129
1130 dnl checks for programs
1131 AC_PROG_LN_S
1132 AC_PROG_CPP
1133 AC_PROG_INSTALL
1134 AC_PROG_YACC
1135
1136 dnl checks for Unix variants
1137 AC_AIX
1138
1139 # Sound support for GNU/Linux and the free BSDs.
1140 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1141
1142 dnl checks for header files
1143 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1144   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1145   termcap.h stdio_ext.h)
1146 AC_HEADER_STDC
1147 AC_HEADER_TIME
1148 AC_DECL_SYS_SIGLIST
1149
1150 dnl Some systems have utime.h but don't declare the struct anyplace.
1151 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1152 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1153 #include <sys/time.h>
1154 #include <time.h>
1155 #else
1156 #ifdef HAVE_SYS_TIME_H
1157 #include <sys/time.h>
1158 #else
1159 #include <time.h>
1160 #endif
1161 #endif
1162 #ifdef HAVE_UTIME_H
1163 #include <utime.h>
1164 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1165   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1166 if test $emacs_cv_struct_utimbuf = yes; then
1167   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1168 fi
1169
1170 dnl checks for typedefs
1171 AC_TYPE_SIGNAL
1172
1173 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1174 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1175 #include <sys/time.h>
1176 #include <time.h>
1177 #else
1178 #ifdef HAVE_SYS_TIME_H
1179 #include <sys/time.h>
1180 #else
1181 #include <time.h>
1182 #endif
1183 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1184   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1185 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1186 if test $emacs_cv_struct_timeval = yes; then
1187   AC_DEFINE(HAVE_TIMEVAL)
1188 fi
1189
1190 dnl checks for structure members
1191 AC_STRUCT_TM
1192 AC_STRUCT_TIMEZONE
1193 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1194 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1195   emacs_cv_tm_gmtoff=yes,
1196   emacs_cv_tm_gmtoff=no))
1197 if test $emacs_cv_tm_gmtoff = yes; then
1198   AC_DEFINE(HAVE_TM_GMTOFF)
1199 fi
1200
1201 dnl checks for compiler characteristics
1202 AC_C_CONST
1203
1204 dnl check for Make feature
1205 AC_PROG_MAKE_SET
1206
1207 dnl checks for operating system services
1208 AC_SYS_LONG_FILE_NAMES
1209
1210 #### Choose a window system.
1211
1212 AC_PATH_X
1213 if test "$no_x" = yes; then
1214   window_system=none
1215 else
1216   window_system=x11
1217 fi
1218
1219 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1220   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1221   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1222   x_default_search_path=""
1223   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1224     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1225 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1226 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1227 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1228     if test x"${x_default_search_path}" = x; then
1229       x_default_search_path=${x_search_path}
1230     else
1231       x_default_search_path="${x_search_path}:${x_default_search_path}"
1232     fi
1233   done
1234 fi
1235 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1236   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1237 fi
1238
1239 if test x"${x_includes}" = x; then
1240   bitmapdir=/usr/include/X11/bitmaps
1241 else
1242   # accumulate include directories that have X11 bitmap subdirectories
1243   bmd_acc="dummyval"
1244   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1245     if test -d "${bmd}/X11/bitmaps"; then
1246       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1247     fi
1248     if test -d "${bmd}/bitmaps"; then
1249       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1250     fi
1251   done
1252   if test ${bmd_acc} != "dummyval"; then
1253     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1254   fi
1255 fi
1256
1257 case "${window_system}" in
1258   x11 )
1259     HAVE_X_WINDOWS=yes
1260     HAVE_X11=yes
1261     case "${with_x_toolkit}" in
1262       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1263       motif ) USE_X_TOOLKIT=MOTIF ;;
1264 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1265       no ) USE_X_TOOLKIT=none ;;
1266 dnl If user did not say whether to use a toolkit,
1267 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1268       * ) USE_X_TOOLKIT=maybe ;;
1269     esac
1270   ;;
1271   none )
1272     HAVE_X_WINDOWS=no
1273     HAVE_X11=no
1274     USE_X_TOOLKIT=none
1275   ;;
1276 esac
1277
1278 ### If we're using X11, we should use the X menu package.
1279 HAVE_MENUS=no
1280 case ${HAVE_X11} in
1281   yes ) HAVE_MENUS=yes ;;
1282 esac
1283
1284 if test "${opsys}" = "hpux9"; then
1285   case "${x_libraries}" in
1286     *X11R4* )
1287       opsysfile="s/hpux9-x11r4.h"
1288       ;;
1289   esac
1290 fi
1291
1292 if test "${opsys}" = "hpux9shr"; then
1293   case "${x_libraries}" in
1294     *X11R4* )
1295       opsysfile="s/hpux9shxr4.h"
1296       ;;
1297   esac
1298 fi
1299
1300 #### Extract some information from the operating system and machine files.
1301
1302 AC_CHECKING([the machine- and system-dependent files to find out
1303  - which libraries the lib-src programs will want, and
1304  - whether the GNU malloc routines are usable])
1305
1306 ### First figure out CFLAGS (which we use for running the compiler here)
1307 ### and REAL_CFLAGS (which we use for real compilation).
1308 ### The two are the same except on a few systems, where they are made
1309 ### different to work around various lossages.  For example,
1310 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1311 ### as implying static linking.
1312
1313 ### If the CFLAGS env var is specified, we use that value
1314 ### instead of the default.
1315
1316 ### It's not important that this name contain the PID; you can't run
1317 ### two configures in the same directory and have anything work
1318 ### anyway.
1319 tempcname="conftest.c"
1320
1321 echo '
1322 #include "'${srcdir}'/src/'${opsysfile}'"
1323 #include "'${srcdir}'/src/'${machfile}'"
1324 #ifndef LIBS_MACHINE
1325 #define LIBS_MACHINE
1326 #endif
1327 #ifndef LIBS_SYSTEM
1328 #define LIBS_SYSTEM
1329 #endif
1330 #ifndef C_SWITCH_SYSTEM
1331 #define C_SWITCH_SYSTEM
1332 #endif
1333 #ifndef C_SWITCH_MACHINE
1334 #define C_SWITCH_MACHINE
1335 #endif
1336 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1337 configure___ c_switch_system=C_SWITCH_SYSTEM
1338 configure___ c_switch_machine=C_SWITCH_MACHINE
1339
1340 #ifndef LIB_X11_LIB
1341 #define LIB_X11_LIB -lX11
1342 #endif
1343
1344 #ifndef LIBX11_MACHINE
1345 #define LIBX11_MACHINE
1346 #endif
1347
1348 #ifndef LIBX11_SYSTEM
1349 #define LIBX11_SYSTEM
1350 #endif
1351 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1352
1353 #ifdef UNEXEC
1354 configure___ unexec=UNEXEC
1355 #else
1356 configure___ unexec=unexec.o
1357 #endif
1358
1359 #ifdef SYSTEM_MALLOC
1360 configure___ system_malloc=yes
1361 #else
1362 configure___ system_malloc=no
1363 #endif
1364
1365 #ifndef C_DEBUG_SWITCH
1366 #define C_DEBUG_SWITCH -g
1367 #endif
1368
1369 #ifndef C_OPTIMIZE_SWITCH
1370 #define C_OPTIMIZE_SWITCH -O
1371 #endif
1372
1373 #ifndef LD_SWITCH_MACHINE
1374 #define LD_SWITCH_MACHINE
1375 #endif
1376
1377 #ifndef LD_SWITCH_SYSTEM
1378 #define LD_SWITCH_SYSTEM
1379 #endif
1380
1381 #ifndef LD_SWITCH_X_SITE_AUX
1382 #define LD_SWITCH_X_SITE_AUX
1383 #endif
1384
1385 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1386 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1387
1388 #ifdef THIS_IS_CONFIGURE
1389
1390 /* Get the CFLAGS for tests in configure.  */
1391 #ifdef __GNUC__
1392 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1393 #else
1394 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1395 #endif
1396
1397 #else /* not THIS_IS_CONFIGURE */
1398
1399 /* Get the CFLAGS for real compilation.  */
1400 #ifdef __GNUC__
1401 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1402 #else
1403 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1404 #endif
1405
1406 #endif /* not THIS_IS_CONFIGURE */
1407 ' > ${tempcname}
1408
1409 # The value of CPP is a quoted variable reference, so we need to do this
1410 # to get its actual value...
1411 CPP=`eval "echo $CPP"`
1412 changequote(, )dnl
1413 eval `${CPP} -Isrc ${tempcname} \
1414        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1415 if test "x$SPECIFIED_CFLAGS" = x; then
1416   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1417          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1418 else
1419   REAL_CFLAGS="$CFLAGS"
1420 fi
1421 changequote([, ])dnl
1422 rm ${tempcname}
1423
1424 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1425
1426 ### Compute the unexec source name from the object name.
1427 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1428
1429 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1430 # Assume not, until told otherwise.
1431 GNU_MALLOC=yes
1432 doug_lea_malloc=yes
1433 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1434 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1435 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1436                emacs_cv_var___after_morecore_hook,
1437 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1438   emacs_cv_var___after_morecore_hook=yes,
1439   emacs_cv_var___after_morecore_hook=no))
1440 if test $emacs_cv_var___after_morecore_hook = no; then
1441   doug_lea_malloc=no
1442 fi
1443 if test "${system_malloc}" = "yes"; then
1444   GNU_MALLOC=no
1445   GNU_MALLOC_reason="
1446     (The GNU allocators don't work with this system configuration.)"
1447 fi
1448 if test "$doug_lea_malloc" = "yes" ; then
1449   if test "$GNU_MALLOC" = yes ; then
1450     GNU_MALLOC_reason="
1451       (Using Doug Lea's new malloc from the GNU C Library.)"
1452   fi
1453   AC_DEFINE(DOUG_LEA_MALLOC)
1454 fi
1455
1456 if test x"${REL_ALLOC}" = x; then
1457   REL_ALLOC=${GNU_MALLOC}
1458 fi
1459
1460 LISP_FLOAT_TYPE=yes
1461
1462
1463 #### Add the libraries to LIBS and check for some functions.
1464
1465 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1466   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1467 else
1468   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1469 fi
1470
1471 LIBS="$libsrc_libs $LIBS"
1472
1473 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1474 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1475 AC_CHECK_LIB(dnet, dnet_ntoa)
1476 dnl This causes -lresolv to get used in subsequent tests,
1477 dnl which causes failures on some systems such as HPUX 9.
1478 dnl AC_CHECK_LIB(resolv, gethostbyname)
1479
1480 dnl FIXME replace main with a function we actually want from this library.
1481 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1482
1483 AC_CHECK_LIB(pthreads, cma_open)
1484
1485 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1486 if test -d /usr/X386/include; then
1487   HAVE_XFREE386=yes
1488   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1489 else
1490   HAVE_XFREE386=no
1491 fi
1492 AC_MSG_RESULT($HAVE_XFREE386)
1493
1494 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1495 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1496
1497 if test "${HAVE_X11}" = "yes"; then
1498   DEFS="$C_SWITCH_X_SITE $DEFS"
1499   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1500   LIBS="$LIBX $LIBS"
1501   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1502
1503   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1504   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1505   # but it's more convenient here to set LD_RUN_PATH
1506   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1507   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1508     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1509     export LD_RUN_PATH
1510   fi
1511
1512   if test "${opsys}" = "gnu-linux"; then
1513     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1514     AC_TRY_LINK([],
1515      [XOpenDisplay ("foo");],
1516      [xlinux_first_failure=no],
1517      [xlinux_first_failure=yes])
1518     if test "${xlinux_first_failure}" = "yes"; then
1519       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1520       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1521       OLD_CPPFLAGS="$CPPFLAGS"
1522       OLD_LIBS="$LIBS"
1523       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1524       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1525       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1526       LIBS="$LIBS -b i486-linuxaout"
1527       AC_TRY_LINK([],
1528        [XOpenDisplay ("foo");],
1529        [xlinux_second_failure=no],
1530        [xlinux_second_failure=yes])
1531       if test "${xlinux_second_failure}" = "yes"; then
1532         # If we get the same failure with -b, there is no use adding -b.
1533         # So take it out.  This plays safe.
1534         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1535         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1536         CPPFLAGS="$OLD_CPPFLAGS"
1537         LIBS="$OLD_LIBS"
1538         AC_MSG_RESULT(no)
1539       else
1540         AC_MSG_RESULT(yes)
1541       fi
1542     else
1543       AC_MSG_RESULT(no)
1544     fi
1545   fi
1546
1547   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1548 XScreenNumberOfScreen XSetWMProtocols)
1549 fi
1550
1551 if test "${window_system}" = "x11"; then
1552   AC_MSG_CHECKING(X11 version 6)
1553   AC_CACHE_VAL(emacs_cv_x11_version_6,
1554   AC_TRY_LINK([#include <X11/Xlib.h>],
1555 [#if XlibSpecificationRelease < 6
1556 fail;
1557 #endif
1558 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1559   if test $emacs_cv_x11_version_6 = yes; then
1560     AC_MSG_RESULT(6 or newer)
1561     AC_DEFINE(HAVE_X11R6)
1562   else
1563     AC_MSG_RESULT(before 6)
1564   fi
1565 fi
1566
1567 if test "${window_system}" = "x11"; then
1568   AC_MSG_CHECKING(X11 version 5)
1569   AC_CACHE_VAL(emacs_cv_x11_version_5,
1570   AC_TRY_LINK([#include <X11/Xlib.h>],
1571 [#if XlibSpecificationRelease < 5
1572 fail;
1573 #endif
1574 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1575   if test $emacs_cv_x11_version_5 = yes; then
1576     AC_MSG_RESULT(5 or newer)
1577     HAVE_X11R5=yes
1578     AC_DEFINE(HAVE_X11R5)
1579   else
1580     HAVE_X11R5=no
1581     AC_MSG_RESULT(before 5)
1582   fi
1583 fi
1584
1585 dnl Do not put whitespace before the #include statements below.
1586 dnl Older compilers (eg sunos4 cc) choke on it.
1587 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1588   if test x"${HAVE_X11R5}" = xyes; then
1589     AC_MSG_CHECKING(X11 version 5 with Xaw)
1590     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1591     AC_TRY_LINK([
1592 #include <X11/Intrinsic.h>
1593 #include <X11/Xaw/Simple.h>],
1594       [],
1595       emacs_cv_x11_version_5_with_xaw=yes,
1596       emacs_cv_x11_version_5_with_xaw=no))
1597     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1598       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1599       USE_X_TOOLKIT=LUCID
1600     else
1601       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1602       USE_X_TOOLKIT=none
1603     fi
1604   else
1605     USE_X_TOOLKIT=none
1606   fi
1607 fi
1608
1609 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1610
1611 if test "${USE_X_TOOLKIT}" != "none"; then
1612   AC_MSG_CHECKING(X11 toolkit version)
1613   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1614   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1615 [#if XtSpecificationRelease < 6
1616 fail;
1617 #endif
1618 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1619   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1620   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1621     AC_MSG_RESULT(6 or newer)
1622     AC_DEFINE(HAVE_X11XTR6)
1623   else
1624     AC_MSG_RESULT(before 6)
1625   fi
1626
1627 dnl If using toolkit, check whether libXmu.a exists.
1628 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1629   OLDLIBS="$LIBS"
1630   if test x$HAVE_X11XTR6 = xyes; then
1631     LIBS="-lXt -lSM -lICE $LIBS"
1632   else
1633     LIBS="-lXt $LIBS"
1634   fi
1635   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1636   LIBS="$OLDLIBS"
1637 fi
1638
1639 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1640   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1641   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1642     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1643 int x = 5;
1644 #else
1645 Motif version prior to 2.1.
1646 #endif],
1647     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1648   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1649   if test $emacs_cv_motif_version_2_1 = yes; then
1650     AC_DEFINE(HAVE_MOTIF_2_1)
1651     AC_CHECK_LIB(Xp, XpCreateContext)
1652   fi
1653 fi
1654
1655 ### Is -lXaw3d available?
1656 HAVE_XAW3D=no
1657 if test "${HAVE_X11}" = "yes"; then
1658   if test "${USE_X_TOOLKIT}" != "none"; then
1659     old_c_flags="${CFLAGS}"
1660     CFLAGS="${LD_SWITCH_X_SITE}"
1661     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1662         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1663     CFLAGS="${old_c_flags}"
1664
1665     if test "${HAVE_XAW3D}" = "yes"; then
1666         AC_DEFINE(HAVE_XAW3D)
1667     fi
1668   fi
1669 fi
1670
1671 dnl Use toolkit scroll bars if configured for X toolkit and either
1672 dnl using Motif or Xaw3d is available, and unless
1673 dnl --with-toolkit-scroll-bars=no was specified.
1674
1675 USE_TOOLKIT_SCROLL_BARS=no
1676 if test "${with_toolkit_scroll_bars}" != "no"; then
1677   if test "${USE_X_TOOLKIT}" != "none"; then
1678     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1679       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1680       HAVE_XAW3D=no
1681       USE_TOOLKIT_SCROLL_BARS=yes
1682     elif test "${HAVE_XAW3D}" = "yes"; then
1683       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1684       USE_TOOLKIT_SCROLL_BARS=yes
1685     fi
1686   fi
1687 fi
1688
1689 ### Use -lXpm if available, unless `--with-xpm=no'.
1690 HAVE_XPM=no
1691 if test "${HAVE_X11}" = "yes"; then
1692   if test "${with_xpm}" != "no"; then
1693     old_c_flags="${CFLAGS}"
1694     CFLAGS="${LD_SWITCH_X_SITE}"
1695     AC_CHECK_HEADER(X11/xpm.h,
1696       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1697     CFLAGS="${old_c_flags}"
1698   fi
1699
1700   if test "${HAVE_XPM}" = "yes"; then
1701     AC_DEFINE(HAVE_XPM)
1702   fi
1703 fi
1704
1705 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1706 HAVE_JPEG=no
1707 if test "${HAVE_X11}" = "yes"; then
1708   if test "${with_jpeg}" != "no"; then
1709     old_c_flags="${CFLAGS}"
1710     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1711     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1712     dnl  HAVE_STDLIB_H.
1713     AC_CHECK_HEADER(jerror.h,
1714       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
1715     CFLAGS="${old_c_flags}"
1716   fi
1717
1718   if test "${HAVE_JPEG}" = "yes"; then
1719     AC_DEFINE(HAVE_JPEG)
1720   fi
1721 fi
1722
1723 ### Use -lpng if available, unless `--with-png=no'.
1724 HAVE_PNG=no
1725 if test "${HAVE_X11}" = "yes"; then
1726   if test "${with_png}" != "no"; then
1727     old_c_flags="${CFLAGS}"
1728     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1729     AC_CHECK_HEADER(png.h,
1730       AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1731     CFLAGS="${old_c_flags}"
1732   fi
1733
1734   if test "${HAVE_PNG}" = "yes"; then
1735     AC_DEFINE(HAVE_PNG)
1736   fi
1737 fi
1738
1739 ### Use -ltiff if available, unless `--with-tiff=no'.
1740 HAVE_TIFF=no
1741 if test "${HAVE_X11}" = "yes"; then
1742   if test "${with_tiff}" != "no"; then
1743     old_c_flags="${CFLAGS}"
1744     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1745     AC_CHECK_HEADER(tiffio.h,
1746       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11 -lm))
1747     CFLAGS="${old_c_flags}"
1748   fi
1749
1750   if test "${HAVE_TIFF}" = "yes"; then
1751     AC_DEFINE(HAVE_TIFF)
1752   fi
1753 fi
1754
1755 ### Use -lgif if available, unless `--with-gif=no'.
1756 HAVE_GIF=no
1757 if test "${HAVE_X11}" = "yes"; then
1758   if test "${with_gif}" != "no"; then
1759     old_c_flags="${CFLAGS}"
1760     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1761     AC_CHECK_HEADER(gif_lib.h,
1762       AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
1763     CFLAGS="${old_c_flags}"
1764   fi
1765
1766   if test "${HAVE_GIF}" = "yes"; then
1767     AC_DEFINE(HAVE_GIF)
1768   fi
1769 fi
1770
1771 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1772 AC_CACHE_CHECK(whether netdb declares h_errno,
1773                emacs_cv_netdb_declares_h_errno,
1774 AC_TRY_LINK([#include <netdb.h>],
1775   [return h_errno;],
1776   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1777 if test $emacs_cv_netdb_declares_h_errno = yes; then
1778   AC_DEFINE(HAVE_H_ERRNO)
1779 fi
1780
1781 AC_FUNC_ALLOCA
1782
1783 # fmod, logb, and frexp are found in -lm on most systems.
1784 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1785 AC_CHECK_LIB(m, sqrt)
1786
1787 # Check for mail-locking functions in a "mail" library
1788 AC_CHECK_LIB(mail, maillock)
1789 dnl Debian, at least:
1790 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1791 AC_CHECK_LIB(lockfile, maillock)
1792 # If we have the shared liblockfile, assume we must use it for mail
1793 # locking (e.g. Debian).  If we couldn't link against liblockfile
1794 # (no liblockfile.a installed), ensure that we don't need to.
1795 if test "$ac_cv_lib_lockfile_maillock" = no; then
1796   dnl This works for files generally, not just executables.
1797   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1798   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1799                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1800   if test $ac_cv_prog_liblockfile = yes; then
1801     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1802 This probably means that movemail could lose mail.
1803 There may be a \`development' package to install containing liblockfile.])
1804   else AC_DEFINE(LIBMAIL, -llockfile)
1805   fi
1806   else :
1807 fi
1808 AC_CHECK_FUNCS(touchlock)
1809 AC_CHECK_HEADERS(maillock.h)
1810
1811 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1812 rename closedir mkdir rmdir sysinfo \
1813 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1814 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1815 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo \
1816 __fpending ftello getloadavg mblen mbrlen strsignal setitimer ualarm)
1817
1818 # Check this now, so that we will NOT find the above functions in ncurses.
1819 # That is because we have not set up to link ncurses in lib-src.
1820 # It's better to believe a function is not available
1821 # than to expect to find it in ncurses.
1822 AC_CHECK_LIB(ncurses, tparm)
1823
1824 # These tell us which Kerberos-related libraries to use.
1825 if test "${with_kerberos+set}" = set; then
1826   AC_CHECK_LIB(com_err, com_err)
1827   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1828   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1829   AC_CHECK_LIB(krb5, krb5_init_context)
1830   if test "${with_kerberos5+set}" != set; then
1831     AC_CHECK_LIB(des425, des_cbc_encrypt,,
1832                  AC_CHECK_LIB(des, des_cbc_encrypt))
1833     AC_CHECK_LIB(krb4, krb_get_cred,,
1834                  AC_CHECK_LIB(krb, krb_get_cred))
1835   fi
1836
1837   if test "${with_kerberos5+set}" = set; then
1838     AC_CHECK_HEADERS(krb5.h)
1839   else
1840     AC_CHECK_HEADERS(des.h,,
1841                      AC_CHECK_HEADERS(kerberosIV/des.h,,
1842                                       AC_CHECK_HEADERS(kerberos/des.h)))
1843     AC_CHECK_HEADERS(krb.h,,
1844                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
1845                                       AC_CHECK_HEADERS(kerberos/krb.h)))
1846   fi
1847   AC_CHECK_HEADERS(com_err.h)
1848 fi
1849
1850 # Solaris requires -lintl if you want strerror (which calls dgettext)
1851 # to return localized messages.
1852 AC_CHECK_LIB(intl, dgettext)
1853
1854 AC_MSG_CHECKING(whether localtime caches TZ)
1855 AC_CACHE_VAL(emacs_cv_localtime_cache,
1856 [if test x$ac_cv_func_tzset = xyes; then
1857 AC_TRY_RUN([#include <time.h>
1858 extern char **environ;
1859 unset_TZ ()
1860 {
1861   char **from, **to;
1862   for (to = from = environ; (*to = *from); from++)
1863     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1864       to++;
1865 }
1866 char TZ_GMT0[] = "TZ=GMT0";
1867 char TZ_PST8[] = "TZ=PST8";
1868 main()
1869 {
1870   time_t now = time ((time_t *) 0);
1871   int hour_GMT0, hour_unset;
1872   if (putenv (TZ_GMT0) != 0)
1873     exit (1);
1874   hour_GMT0 = localtime (&now)->tm_hour;
1875   unset_TZ ();
1876   hour_unset = localtime (&now)->tm_hour;
1877   if (putenv (TZ_PST8) != 0)
1878     exit (1);
1879   if (localtime (&now)->tm_hour == hour_GMT0)
1880     exit (1);
1881   unset_TZ ();
1882   if (localtime (&now)->tm_hour != hour_unset)
1883     exit (1);
1884   exit (0);
1885 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1886 [# If we have tzset, assume the worst when cross-compiling.
1887 emacs_cv_localtime_cache=yes])
1888 else
1889         # If we lack tzset, report that localtime does not cache TZ,
1890         # since we can't invalidate the cache if we don't have tzset.
1891         emacs_cv_localtime_cache=no
1892 fi])dnl
1893 AC_MSG_RESULT($emacs_cv_localtime_cache)
1894 if test $emacs_cv_localtime_cache = yes; then
1895   AC_DEFINE(LOCALTIME_CACHE)
1896 fi
1897
1898 if test "x$HAVE_TIMEVAL" = xyes; then
1899 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1900                emacs_cv_gettimeofday_two_arguments,
1901 AC_TRY_LINK([
1902 #ifdef TIME_WITH_SYS_TIME
1903 #include <sys/time.h>
1904 #include <time.h>
1905 #else
1906 #ifdef HAVE_SYS_TIME_H
1907 #include <sys/time.h>
1908 #else
1909 #include <time.h>
1910 #endif
1911 #endif
1912   ],
1913   [
1914   struct timeval time;
1915   struct timezone dummy;
1916   gettimeofday (&time, &dummy);
1917 ],
1918   emacs_cv_gettimeofday_two_arguments=yes,
1919   emacs_cv_gettimeofday_two_arguments=no))
1920   if test $emacs_cv_gettimeofday_two_arguments = no; then
1921     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1922   fi
1923 fi
1924
1925 ok_so_far=yes
1926 AC_CHECK_FUNC(socket, , ok_so_far=no)
1927 if test $ok_so_far = yes; then
1928   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1929 fi
1930 if test $ok_so_far = yes; then
1931   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1932 fi
1933 if test $ok_so_far = yes; then
1934   AC_DEFINE(HAVE_INET_SOCKETS)
1935 fi
1936
1937 if test -f /usr/lpp/X11/bin/smt.exp; then
1938   AC_DEFINE(HAVE_AIX_SMT_EXP)
1939 fi
1940
1941 AC_MSG_CHECKING(whether system supports dynamic ptys)
1942 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
1943   AC_MSG_RESULT(yes)
1944   AC_DEFINE(HAVE_DEV_PTMX)
1945 else
1946   AC_MSG_RESULT(no)
1947 fi
1948
1949 # Set up the CFLAGS for real compilation, so we can substitute it.
1950 CFLAGS="$REAL_CFLAGS"
1951
1952 changequote(, )dnl
1953 #### Find out which version of Emacs this is.
1954 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1955          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1956 changequote([, ])dnl
1957 if test x"${version}" = x; then
1958   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1959 fi
1960
1961 ### Specify what sort of things we'll be editing into Makefile and config.h.
1962 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1963 AC_SUBST(version)
1964 AC_SUBST(configuration)
1965 AC_SUBST(canonical)
1966 AC_SUBST(srcdir)
1967 AC_SUBST(prefix)
1968 AC_SUBST(exec_prefix)
1969 AC_SUBST(bindir)
1970 AC_SUBST(datadir)
1971 AC_SUBST(sharedstatedir)
1972 AC_SUBST(libexecdir)
1973 AC_SUBST(mandir)
1974 AC_SUBST(infodir)
1975 AC_SUBST(lispdir)
1976 AC_SUBST(locallisppath)
1977 AC_SUBST(lisppath)
1978 AC_SUBST(x_default_search_path)
1979 AC_SUBST(etcdir)
1980 AC_SUBST(archlibdir)
1981 AC_SUBST(docdir)
1982 AC_SUBST(bitmapdir)
1983 AC_SUBST(c_switch_system)
1984 AC_SUBST(c_switch_machine)
1985 AC_SUBST(LD_SWITCH_X_SITE)
1986 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1987 AC_SUBST(C_SWITCH_X_SITE)
1988 AC_SUBST(CFLAGS)
1989 AC_SUBST(X_TOOLKIT_TYPE)
1990 AC_SUBST(machfile)
1991 AC_SUBST(opsysfile)
1992 AC_SUBST(RANLIB)
1993
1994 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1995 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1996 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1997 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1998 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1999 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2000 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2001 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2002
2003 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2004   AC_DEFINE(HAVE_X_WINDOWS)
2005 fi
2006 if test "${USE_X_TOOLKIT}" != "none" ; then
2007   AC_DEFINE(USE_X_TOOLKIT)
2008 fi
2009 if test "${HAVE_X11}" = "yes" ; then
2010   AC_DEFINE(HAVE_X11)
2011 fi
2012 if test "${HAVE_XFREE386}" = "yes" ; then
2013   AC_DEFINE(HAVE_XFREE386)
2014 fi
2015 if test "${HAVE_MENUS}" = "yes" ; then
2016   AC_DEFINE(HAVE_MENUS)
2017 fi
2018 if test "${GNU_MALLOC}" = "yes" ; then
2019   AC_DEFINE(GNU_MALLOC)
2020 fi
2021 if test "${REL_ALLOC}" = "yes" ; then
2022   AC_DEFINE(REL_ALLOC)
2023 fi
2024 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
2025   AC_DEFINE(LISP_FLOAT_TYPE)
2026 fi
2027
2028 #### Report on what we decided to do.
2029 echo "
2030 Configured for \`${canonical}'.
2031
2032   Where should the build process find the source code?    ${srcdir}
2033   What operating system and machine description files should Emacs use?
2034         \`${opsysfile}' and \`${machfile}'
2035   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2036   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2037   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
2038   What window system should Emacs use?                    ${window_system}
2039   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2040
2041 if test -n "${x_includes}"; then
2042 echo "  Where do we find X Windows header files?                ${x_includes}"
2043 else
2044 echo "  Where do we find X Windows header files?                Standard dirs"
2045 fi
2046 if test -n "${x_libraries}"; then
2047 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2048 else
2049 echo "  Where do we find X Windows libraries?                   Standard dirs"
2050 fi
2051
2052 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2053 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2054 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2055 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2056 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2057 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2058 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2059 echo
2060
2061 # Remove any trailing slashes in these variables.
2062 changequote(, )dnl
2063 test "${prefix}" != NONE &&
2064   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2065 test "${exec_prefix}" != NONE &&
2066   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2067 changequote([, ])dnl
2068
2069 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2070         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2071         leim/Makefile, [
2072
2073 ### Make the necessary directories, if they don't exist.
2074 for dir in etc lisp ; do
2075   test -d ${dir} || mkdir ${dir}
2076 done
2077
2078 # Build src/Makefile from ${srcdir}/src/Makefile.c
2079 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2080 # This must be done after src/config.h is built, since we rely on that file.
2081
2082 changequote(, )dnl The horror, the horror.
2083 # Now get this: Some word that is part of the ${srcdir} directory name
2084 # or the ${configuration} value might, just might, happen to be an
2085 # identifier like `sun4' or `i386' or something, and be predefined by
2086 # the C preprocessor to some helpful value like 1, or maybe the empty
2087 # string.  Needless to say consequent macro substitutions are less
2088 # than conducive to the makefile finding the correct directory.
2089 undefs="`echo $top_srcdir $configuration $canonical |
2090 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2091     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2092 `"
2093 changequote([, ])dnl
2094
2095 echo creating src/epaths.h
2096 make epaths-force
2097
2098 echo creating lib-src/Makefile
2099 ( cd lib-src
2100   rm -f junk.c junk1.c junk2.c
2101   sed -e '/start of cpp stuff/q' \
2102       < Makefile.c > junk1.c
2103   sed -e '1,/start of cpp stuff/d'\
2104       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2105       < Makefile.c > junk.c
2106   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2107       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2108   cat junk1.c junk2.c > Makefile.new
2109   rm -f junk.c junk1.c junk2.c
2110   chmod 444 Makefile.new
2111   mv -f Makefile.new Makefile
2112 )
2113
2114 echo creating src/Makefile
2115 ( cd src
2116   rm -f junk.c junk1.c junk2.c
2117   sed -e '/start of cpp stuff/q' \
2118       < Makefile.c > junk1.c
2119   sed -e '1,/start of cpp stuff/d'\
2120       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2121       < Makefile.c > junk.c
2122   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2123       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2124   cat junk1.c junk2.c > Makefile.new
2125   rm -f junk.c junk1.c junk2.c
2126   chmod 444 Makefile.new
2127   mv -f Makefile.new Makefile
2128 )
2129
2130 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2131   echo creating src/.gdbinit
2132   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2133 fi
2134
2135 # This is how we know whether to re-run configure in certain cases.
2136 touch src/config.stamp
2137
2138 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])