configure.in

   1 dnl  Autoconf script for GNU Emacs
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 dnl
   6 dnl  Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001
   7 dnl  Free Software Foundation, Inc.
   8 dnl
   9 dnl  This file is part of GNU Emacs.
  10 dnl
  11 dnl  GNU Emacs is free software; you can redistribute it and/or modify
  12 dnl  it under the terms of the GNU General Public License as published by
  13 dnl  the Free Software Foundation; either version 2, or (at your option)
  14 dnl  any later version.
  15 dnl
  16 dnl  GNU Emacs is distributed in the hope that it will be useful,
  17 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 dnl  GNU General Public License for more details.
  20 dnl
  21 dnl  You should have received a copy of the GNU General Public License
  22 dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
  23 dnl  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24 dnl  Boston, MA 02111-1307, USA.
  25
  26 AC_PREREQ(2.8)dnl
  27 AC_INIT(src/lisp.h)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29
  30 lispdir='${datadir}/emacs/${version}/lisp'
  31 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  32 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
  33 lisppath='${locallisppath}:${lispdir}'
  34 etcdir='${datadir}/emacs/${version}/etc'
  35 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  36 docdir='${datadir}/emacs/${version}/etc'
  37
  38 AC_ARG_WITH(gcc,
  39 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  40 AC_ARG_WITH(pop,
  41 [  --without-pop           don't support POP mail retrieval with movemail],
  42 [if test "$withval" = yes; then
  43    AC_DEFINE(MAIL_USE_POP)
  44 else :
  45 fi],
  46 AC_DEFINE(MAIL_USE_POP))
  47 AC_ARG_WITH(kerberos,
  48 [  --with-kerberos         support Kerberos-authenticated POP],
  49 [AC_DEFINE(KERBEROS)])
  50 AC_ARG_WITH(kerberos5,
  51 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  52 [if test "${with_kerberos5+set}" = set; then
  53   if test "${with_kerberos+set}" != set; then
  54     with_kerberos=yes
  55     AC_DEFINE(KERBEROS)
  56   fi
  57 fi
  58 AC_DEFINE(KERBEROS5)])
  59 AC_ARG_WITH(hesiod,
  60 [  --with-hesiod           support Hesiod to get the POP server host],
  61 [AC_DEFINE(HESIOD)])
  62 dnl This should be the last --with option, because --with-x is
  63 dnl added later on when we find the path of X, and it's best to
  64 dnl keep them together visually.
  65 AC_ARG_WITH(x-toolkit,
  66 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  67 [         case "${withval}" in
  68             y | ye | yes )      val=athena ;;
  69             n | no )            val=no  ;;
  70             l | lu | luc | luci | lucid )       val=lucid ;;
  71             a | at | ath | athe | athen | athena )      val=athena ;;
  72             m | mo | mot | moti | motif )       val=motif ;;
  73 dnl These don't currently work.
  74 dnl         o | op | ope | open | open- | open-l | open-lo \
  75 dnl             | open-loo | open-look )        val=open-look ;;
  76             * )
  77 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  78 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  79 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  80 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  81 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  82             ;;
  83           esac
  84           with_x_toolkit=$val
  85 ])
  86 AC_ARG_WITH(xpm,
  87 [  --with-xpm              use -lXpm for displaying XPM images])
  88 AC_ARG_WITH(jpeg,
  89 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  90 AC_ARG_WITH(tiff,
  91 [  --with-tiff             use -ltiff for displaying TIFF images])
  92 AC_ARG_WITH(gif,
  93 [  --with-gif              use -lungif for displaying GIF images])
  94 AC_ARG_WITH(png,
  95 [  --with-png              use -lpng for displaying PNG images])
  96 AC_ARG_WITH(toolkit-scroll-bars,
  97 [  --without-toolkit-scroll-bars
  98                            don't use Motif or Xaw3d scroll bars])
  99 AC_ARG_WITH(xim,
 100 [  --without-xim           don't use X11 XIM])
 101
 102 #### Make srcdir absolute, if it isn't already.  It's important to
 103 #### avoid running the path through pwd unnecessarily, since pwd can
 104 #### give you automounter prefixes, which can go away.  We do all this
 105 #### so Emacs can find its files when run uninstalled.
 106 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 107 unset CDPATH
 108 case "${srcdir}" in
 109   /* ) ;;
 110   . )
 111     ## We may be able to use the $PWD environment variable to make this
 112     ## absolute.  But sometimes PWD is inaccurate.
 113     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".${PWD}"  ;
 114     then
 115       srcdir="$PWD"
 116     else
 117       srcdir="`(cd ${srcdir}; pwd)`"
 118     fi
 119   ;;
 120   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 121 esac
 122
 123 #### Check if the source directory already has a configured system in it.
 124 if test `pwd` != `(cd ${srcdir} && pwd)` \
 125    && test -f "${srcdir}/src/config.h" ; then
 126   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 127    as a build directory right now; it has been configured in its own
 128    right.  To configure in another directory as well, you MUST
 129    use GNU make.  If you do not have GNU make, then you must
 130    now do \`make distclean' in ${srcdir},
 131    and then run $0 again.])
 132
 133 changequote(, )dnl
 134   extrasub='/^VPATH[     ]*=/c\
 135 changequote([, ])dnl
 136 vpath %.c $(srcdir)\
 137 vpath %.h $(srcdir)\
 138 vpath %.y $(srcdir)\
 139 vpath %.l $(srcdir)\
 140 vpath %.s $(srcdir)\
 141 vpath %.in $(srcdir)\
 142 vpath %.texi $(srcdir)'
 143 fi
 144
 145 #### Given the configuration name, set machfile and opsysfile to the
 146 #### names of the m/*.h and s/*.h files we should use.
 147
 148 ### Canonicalize the configuration name.
 149
 150 AC_CANONICAL_HOST
 151 canonical=$host
 152 configuration=$host_alias
 153
 154 changequote(, )dnl
 155
 156 ### If you add support for a new configuration, add code to this
 157 ### switch statement to recognize your configuration name and select
 158 ### the appropriate operating system and machine description files.
 159
 160 ### You would hope that you could choose an m/*.h file pretty much
 161 ### based on the machine portion of the configuration name, and an s-
 162 ### file based on the operating system portion.  However, it turns out
 163 ### that each m/*.h file is pretty manufacturer-specific - for
 164 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 165 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 166 ### machines.  So we basically have to have a special case for each
 167 ### configuration name.
 168 ###
 169 ### As far as handling version numbers on operating systems is
 170 ### concerned, make sure things will fail in a fixable way.  If
 171 ### /etc/MACHINES doesn't say anything about version numbers, be
 172 ### prepared to handle anything reasonably.  If version numbers
 173 ### matter, be sure /etc/MACHINES says something about it.
 174 ###
 175 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 176 ### "System V Release 4"; he writes, "The old convention encouraged
 177 ### confusion between `system' and `release' levels'."
 178
 179 machine='' opsys='' unported=no
 180 case "${canonical}" in
 181
 182   ## NetBSD ports
 183   *-*-netbsd* )
 184     opsys=netbsd
 185     case "${canonical}" in
 186       alpha*-*-netbsd*) machine=alpha ;;
 187       i[3456]86-*-netbsd*) machine=intel386 ;;
 188       m68k-*-netbsd*)
 189                         # This is somewhat bogus.
 190                         machine=hp9000s300 ;;
 191       powerpc-apple-netbsd*) machine=macppc ;;
 192       mips-*-netbsd*)   machine=pmax ;;
 193       mipsel-*-netbsd*) machine=pmax ;;
 194       ns32k-*-netbsd*)  machine=ns32000 ;;
 195       powerpc-*-netbsd*) machine=macppc ;;
 196       sparc*-*-netbsd*) machine=sparc ;;
 197       vax-*-netbsd*)    machine=vax ;;
 198       arm-*-netbsd*)    machine=arm ;;
 199     esac
 200   ;;
 201
 202   ## OpenBSD ports
 203   *-*-openbsd* )
 204     opsys=openbsd
 205     case "${canonical}" in
 206       alpha*-*-openbsd*)        machine=alpha ;;
 207       i386-*-openbsd*)  machine=intel386 ;;
 208       m68k-*-openbsd*)  machine=hp9000s300 ;;
 209       mipsel-*-openbsd*) machine=pmax ;;
 210       ns32k-*-openbsd*) machine=ns32000 ;;
 211       sparc-*-openbsd*) machine=sparc ;;
 212       vax-*-openbsd*)   machine=vax ;;
 213     esac
 214   ;;
 215
 216   ## Acorn RISCiX:
 217   arm-acorn-riscix1.1* )
 218     machine=acorn opsys=riscix1-1
 219   ;;
 220   arm-acorn-riscix1.2* | arm-acorn-riscix )
 221     ## This name is riscix12 instead of riscix1.2
 222     ## to avoid a file name conflict on MSDOS.
 223     machine=acorn opsys=riscix12
 224   ;;
 225
 226   ## BSDI ports
 227   *-*-bsdi* )
 228     opsys=bsdi
 229     case "${canonical}" in
 230       i[345]86-*-bsdi*) machine=intel386 ;;
 231       sparc-*-bsdi*)  machine=sparc ;;
 232       powerpc-*-bsdi*)  machine=macppc ;;
 233     esac
 234     case "${canonical}" in
 235       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 236       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 237       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 238       *-*-bsdi3* )              opsys=bsdos3 ;;
 239       *-*-bsdi4* )              opsys=bsdos4 ;;
 240     esac
 241   ;;
 242
 243   ## Alliant machines
 244   ## Strictly speaking, we need the version of the alliant operating
 245   ## system to choose the right machine file, but currently the
 246   ## configuration name doesn't tell us enough to choose the right
 247   ## one; we need to give alliants their own operating system name to
 248   ## do this right.  When someone cares, they can help us.
 249   fx80-alliant-* )
 250     machine=alliant4 opsys=bsd4-2
 251   ;;
 252   i860-alliant-* )
 253     machine=alliant-2800 opsys=bsd4-3
 254   ;;
 255
 256   ## Alpha (DEC) machines.
 257   alpha*-dec-osf* )
 258     machine=alpha opsys=osf1
 259     # This is needed to find X11R6.1 libraries for certain tests.
 260     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 261     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 262     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 263     # due to non-traditional preprocessing with the current compiler
 264     # defaults.  OSF 4 can also have that compiler version, and there
 265     # seems always to have been a usable /usr/bin/cpp.
 266     NON_GNU_CPP=/usr/bin/cpp
 267     case "${canonical}" in
 268     alpha*-dec-osf[5-9]*)
 269       opsys=osf5-0 ;;
 270     esac
 271   ;;
 272
 273   alpha*-*-linux-gnu* )
 274     machine=alpha opsys=gnu-linux
 275   ;;
 276
 277   arm*-*-linux-gnu* )
 278     machine=arm opsys=gnu-linux
 279   ;;
 280
 281   ppc-*-linux | \
 282   powerpc-*-linux* )
 283     machine=macppc opsys=gnu-linux
 284   ;;
 285
 286   ## Altos 3068
 287   m68*-altos-sysv* )
 288     machine=altos opsys=usg5-2
 289   ;;
 290
 291   ## Amdahl UTS
 292   580-amdahl-sysv* )
 293     machine=amdahl opsys=usg5-2-2
 294   ;;
 295
 296   ## Apollo, Domain/OS
 297   m68*-apollo-* )
 298     machine=apollo opsys=bsd4-3
 299   ;;
 300
 301   ## AT&T 3b2, 3b5, 3b15, 3b20
 302   we32k-att-sysv* )
 303     machine=att3b opsys=usg5-2-2
 304   ;;
 305
 306   ## AT&T 3b1 - The Mighty Unix PC!
 307   m68*-att-sysv* )
 308     machine=7300 opsys=usg5-2-2
 309   ;;
 310
 311   ## Bull dpx20
 312   rs6000-bull-bosx* )
 313     machine=ibmrs6000 opsys=aix3-2
 314   ;;
 315
 316   ## Bull dpx2
 317   m68*-bull-sysv3* )
 318     machine=dpx2 opsys=usg5-3
 319   ;;
 320
 321   ## Bull sps7
 322   m68*-bull-sysv2* )
 323     machine=sps7 opsys=usg5-2
 324   ;;
 325
 326   ## CCI 5/32, 6/32 -- see "Tahoe".
 327
 328   ## Celerity
 329   ## I don't know what configuration name to use for this; config.sub
 330   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 331   ## in touch with us!
 332   celerity-celerity-bsd* )
 333     machine=celerity opsys=bsd4-2
 334   ;;
 335
 336   ## Clipper
 337   ## What operating systems does this chip run that Emacs has been
 338   ## tested on?
 339   clipper-* )
 340     machine=clipper
 341     ## We'll use the catch-all code at the bottom to guess the
 342     ## operating system.
 343   ;;
 344
 345   ## Convex
 346   *-convex-bsd* | *-convex-convexos* )
 347     machine=convex opsys=bsd4-3
 348     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 349     NON_GNU_CPP="cc -E -P"
 350   ;;
 351
 352   ## Cubix QBx/386
 353   i[3456]86-cubix-sysv* )
 354     machine=intel386 opsys=usg5-3
 355   ;;
 356
 357   ## Cydra 5
 358   cydra*-cydrome-sysv* )
 359     machine=cydra5 opsys=usg5-3
 360   ;;
 361
 362   ## Data General AViiON Machines
 363   ## DG changed naming conventions with the release of 5.4.4.10, they
 364   ## dropped the initial 5.4 but left the intervening R.  Because of the
 365   ## R this shouldn't conflict with older versions of the OS (which I
 366   ## think were named like dgux4.*). In addition, DG new AViiONs series
 367   ## uses either Motorola M88k or Intel Pentium CPUs.
 368   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 369     machine=aviion opsys=dgux4
 370   ;;
 371   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 372     ## This name is dgux5-4-3 instead of dgux5-4r3
 373     ## to avoid a file name conflict on MSDOS.
 374     machine=aviion opsys=dgux5-4-3
 375   ;;
 376   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 377     machine=aviion opsys=dgux5-4r2
 378   ;;
 379   m88k-dg-dgux* )
 380     machine=aviion opsys=dgux
 381   ;;
 382
 383   ## Data General AViiON Intel (x86) Machines
 384   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 385   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 386   i[345]86-dg-dguxR4* )
 387     machine=aviion-intel opsys=dgux4
 388   ;;
 389
 390   ## DECstations
 391   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 392     machine=pmax opsys=bsd4-2
 393   ;;
 394   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 395     machine=pmax opsys=bsd4-3
 396   ;;
 397   mips-dec-ultrix* )
 398     machine=pmax opsys=ultrix4-3
 399   ;;
 400   mips-dec-osf* )
 401     machine=pmax opsys=osf1
 402   ;;
 403   mips-dec-mach_bsd4.3* )
 404     machine=pmax opsys=mach-bsd4-3
 405   ;;
 406
 407   ## Motorola Delta machines
 408   m68k-motorola-sysv* | m68000-motorola-sysv* )
 409     machine=delta opsys=usg5-3
 410     if test -z "`type gnucc | grep 'not found'`"
 411     then
 412       if test -s /etc/167config
 413       then CC="gnucc -m68040"
 414       else CC="gnucc -m68881"
 415       fi
 416     else
 417       if test -z "`type gcc | grep 'not found'`"
 418       then CC=gcc
 419       else CC=cc
 420       fi
 421     fi
 422   ;;
 423   m88k-motorola-sysv4* )
 424     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 425     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 426     # I hope there are not other 4.0 versions for this machine
 427     # which really need usg5-4 instead.
 428     machine=delta88k opsys=usg5-4-2
 429   ;;
 430   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 431     machine=delta88k opsys=usg5-3
 432   ;;
 433
 434   ## Dual machines
 435   m68*-dual-sysv* )
 436     machine=dual opsys=usg5-2
 437   ;;
 438   m68*-dual-uniplus* )
 439     machine=dual opsys=unipl5-2
 440   ;;
 441
 442   ## Elxsi 6400
 443   elxsi-elxsi-sysv* )
 444     machine=elxsi opsys=usg5-2
 445   ;;
 446
 447   ## Encore machines
 448   ns16k-encore-bsd* )
 449     machine=ns16000 opsys=umax
 450   ;;
 451
 452   ## The GEC 63 - apparently, this port isn't really finished yet.
 453   #  I'm sure we finished off the last of the machines, though.  -- fx
 454
 455   ## Gould Power Node and NP1
 456   pn-gould-bsd4.2* )
 457     machine=gould opsys=bsd4-2
 458   ;;
 459   pn-gould-bsd4.3* )
 460     machine=gould opsys=bsd4-3
 461   ;;
 462   np1-gould-bsd* )
 463     machine=gould-np1 opsys=bsd4-3
 464   ;;
 465
 466   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 467   ## as far as Emacs is concerned).
 468   m88k-harris-cxux* )
 469     # Build needs to be different on 7.0 and later releases
 470     case "`uname -r`" in
 471        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 472        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 473     esac
 474     NON_GNU_CPP="/lib/cpp"
 475   ;;
 476   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 477   m68k-harris-cxux* )
 478     machine=nh3000 opsys=cxux
 479   ;;
 480   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 481   powerpc-harris-powerunix )
 482     machine=nh6000 opsys=powerunix
 483     NON_GNU_CPP="cc -Xo -E -P"
 484   ;;
 485   ## SR2001/SR2201 running HI-UX/MPP
 486   hppa1.1-hitachi-hiuxmpp* )
 487     machine=sr2k opsys=hiuxmpp
 488   ;;
 489   hppa1.1-hitachi-hiuxwe2* )
 490     machine=sr2k opsys=hiuxwe2
 491   ;;
 492   ## Honeywell XPS100
 493   xps*-honeywell-sysv* )
 494     machine=xps100 opsys=usg5-2
 495   ;;
 496
 497   ## HP 9000 series 200 or 300
 498   m68*-hp-bsd* )
 499     machine=hp9000s300 opsys=bsd4-3
 500   ;;
 501   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 502   m68*-hp-hpux* )
 503     case "`uname -r`" in
 504       ## Someone's system reports A.B8.05 for this.
 505       ## I wonder what other possibilities there are.
 506       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 507       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 508       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 509       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 510       *) machine=hp9000s300 opsys=hpux ;;
 511     esac
 512   ;;
 513
 514   ## HP 9000 series 700 and 800, running HP/UX
 515   hppa*-hp-hpux7* )
 516     machine=hp800 opsys=hpux
 517   ;;
 518   hppa*-hp-hpux8* )
 519     machine=hp800 opsys=hpux8
 520   ;;
 521   hppa*-hp-hpux9shr* )
 522     machine=hp800 opsys=hpux9shr
 523   ;;
 524   hppa*-hp-hpux9* )
 525     machine=hp800 opsys=hpux9
 526   ;;
 527   hppa*-hp-hpux1[0-9]* )
 528     machine=hp800 opsys=hpux10
 529   ;;
 530
 531   ## HP 9000 series 700 and 800, running HP/UX
 532   hppa*-hp-hpux* )
 533     ## Cross-compilation?  Nah!
 534     case "`uname -r`" in
 535       ## Someone's system reports A.B8.05 for this.
 536       ## I wonder what other possibilities there are.
 537       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 538       *.08.* ) machine=hp800 opsys=hpux8 ;;
 539       *.09.* ) machine=hp800 opsys=hpux9 ;;
 540       *) machine=hp800 opsys=hpux10 ;;
 541     esac
 542   ;;
 543   hppa*-*-nextstep* )
 544     machine=hp800 opsys=nextstep
 545   ;;
 546
 547   ## Orion machines
 548   orion-orion-bsd* )
 549     machine=orion opsys=bsd4-2
 550   ;;
 551   clipper-orion-bsd* )
 552     machine=orion105 opsys=bsd4-2
 553   ;;
 554
 555   ## IBM machines
 556   i[3456]86-ibm-aix1.1* )
 557     machine=ibmps2-aix opsys=usg5-2-2
 558   ;;
 559   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 560     machine=ibmps2-aix opsys=usg5-3
 561   ;;
 562   i370-ibm-aix*)
 563     machine=ibm370aix opsys=usg5-3
 564   ;;
 565   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 566     machine=ibmrs6000 opsys=aix3-1
 567   ;;
 568   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 569     machine=ibmrs6000 opsys=aix3-2-5
 570   ;;
 571   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 572     machine=ibmrs6000 opsys=aix4-1
 573   ;;
 574   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 575     machine=ibmrs6000 opsys=aix4-2
 576   ;;
 577   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 578     machine=ibmrs6000 opsys=aix4
 579   ;;
 580   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 581     machine=ibmrs6000 opsys=aix4-1
 582   ;;
 583   rs6000-ibm-aix* | powerpc-ibm-aix* )
 584     machine=ibmrs6000 opsys=aix3-2
 585   ;;
 586   romp-ibm-bsd4.3* )
 587     machine=ibmrt opsys=bsd4-3
 588   ;;
 589   romp-ibm-bsd4.2* )
 590     machine=ibmrt opsys=bsd4-2
 591   ;;
 592   romp-ibm-aos4.3* )
 593     machine=ibmrt opsys=bsd4-3
 594   ;;
 595   romp-ibm-aos4.2* )
 596     machine=ibmrt opsys=bsd4-2
 597   ;;
 598   romp-ibm-aos* )
 599     machine=ibmrt opsys=bsd4-3
 600   ;;
 601   romp-ibm-bsd* )
 602     machine=ibmrt opsys=bsd4-3
 603   ;;
 604   romp-ibm-aix* )
 605     machine=ibmrt-aix opsys=usg5-2-2
 606   ;;
 607
 608   ## Integrated Solutions `Optimum V'
 609   m68*-isi-bsd4.2* )
 610     machine=isi-ov opsys=bsd4-2
 611   ;;
 612   m68*-isi-bsd4.3* )
 613     machine=isi-ov opsys=bsd4-3
 614   ;;
 615
 616   ## Intel 386 machines where we do care about the manufacturer
 617   i[3456]86-intsys-sysv* )
 618     machine=is386 opsys=usg5-2-2
 619   ;;
 620
 621   ## Prime EXL
 622   i[3456]86-prime-sysv* )
 623     machine=i386 opsys=usg5-3
 624   ;;
 625
 626   ## Sequent Symmetry running Dynix
 627   i[3456]86-sequent-bsd* )
 628     machine=symmetry opsys=bsd4-3
 629   ;;
 630
 631   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 632   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 633     machine=sequent-ptx opsys=ptx4
 634     NON_GNU_CPP=/lib/cpp
 635   ;;
 636
 637   ## Sequent Symmetry running DYNIX/ptx
 638   ## Use the old cpp rather than the newer ANSI one.
 639   i[3456]86-sequent-ptx* )
 640     machine=sequent-ptx opsys=ptx
 641     NON_GNU_CPP="/lib/cpp"
 642   ;;
 643
 644   ## ncr machine running svr4.3.
 645   i[3456]86-ncr-sysv4.3 )
 646     machine=ncr386 opsys=usg5-4-3
 647   ;;
 648
 649   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 650   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 651   i[3456]86-ncr-sysv* )
 652     machine=ncr386 opsys=usg5-4-2
 653   ;;
 654
 655   ## Intel Paragon OSF/1
 656   i860-intel-osf1* )
 657     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 658   ;;
 659
 660   ## Intel 860
 661   i860-*-sysv4* )
 662     machine=i860 opsys=usg5-4
 663     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 664     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 665   ;;
 666
 667   ## Macintosh PowerPC
 668   powerpc*-*-linux-gnu* )
 669     machine=macppc opsys=gnu-linux
 670   ;;
 671
 672   ## Masscomp machines
 673   m68*-masscomp-rtu* )
 674     machine=masscomp opsys=rtu
 675   ;;
 676
 677   ## Megatest machines
 678   m68*-megatest-bsd* )
 679     machine=mega68 opsys=bsd4-2
 680   ;;
 681
 682   ## Workstations sold by MIPS
 683   ## This is not necessarily all workstations using the MIPS processor -
 684   ## Irises are produced by SGI, and DECstations by DEC.
 685
 686   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 687   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 688   ## it gives for choosing between the alternatives seems to be "Use
 689   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 690   ## the BSD world."  I'll assume that these are instructions for
 691   ## handling two odd situations, and that every other situation
 692   ## should use mips.h and usg5-2-2, they being listed first.
 693   mips-mips-usg* )
 694     machine=mips4
 695     ## Fall through to the general code at the bottom to decide on the OS.
 696   ;;
 697   mips-mips-riscos4* )
 698     machine=mips4 opsys=bsd4-3
 699     NON_GNU_CC="cc -systype bsd43"
 700     NON_GNU_CPP="cc -systype bsd43 -E"
 701   ;;
 702   mips-mips-riscos5* )
 703     machine=mips4 opsys=riscos5
 704     NON_GNU_CC="cc -systype bsd43"
 705     NON_GNU_CPP="cc -systype bsd43 -E"
 706   ;;
 707   mips-mips-bsd* )
 708     machine=mips opsys=bsd4-3
 709   ;;
 710   mips-mips-* )
 711     machine=mips opsys=usg5-2-2
 712   ;;
 713
 714   ## NeXT
 715   m68*-next-* | m68k-*-nextstep* )
 716     machine=m68k opsys=nextstep
 717   ;;
 718
 719   ## The complete machine from National Semiconductor
 720   ns32k-ns-genix* )
 721     machine=ns32000 opsys=usg5-2
 722   ;;
 723
 724   ## NCR machines
 725   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 726     machine=tower32 opsys=usg5-2-2
 727   ;;
 728   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 729     machine=tower32v3 opsys=usg5-3
 730   ;;
 731
 732   ## NEC EWS4800
 733   mips-nec-sysv4*)
 734   machine=ews4800 opsys=ux4800
 735   ;;
 736
 737   ## Nixdorf Targon 31
 738   m68*-nixdorf-sysv* )
 739     machine=targon31 opsys=usg5-2-2
 740   ;;
 741
 742   ## Nu (TI or LMI)
 743   m68*-nu-sysv* )
 744     machine=nu opsys=usg5-2
 745   ;;
 746
 747   ## Plexus
 748   m68*-plexus-sysv* )
 749     machine=plexus opsys=usg5-2
 750   ;;
 751
 752   ## PowerPC reference platform
 753   powerpcle-*-solaris2* )
 754     machine=prep
 755     opsys=sol2-5
 756   ;;
 757
 758   ## Pyramid machines
 759   ## I don't really have any idea what sort of processor the Pyramid has,
 760   ## so I'm assuming it is its own architecture.
 761   pyramid-pyramid-bsd* )
 762     machine=pyramid opsys=bsd4-2
 763   ;;
 764
 765   ## Sequent Balance
 766   ns32k-sequent-bsd4.2* )
 767     machine=sequent opsys=bsd4-2
 768   ;;
 769   ns32k-sequent-bsd4.3* )
 770     machine=sequent opsys=bsd4-3
 771   ;;
 772
 773   ## Siemens Nixdorf
 774   mips-siemens-sysv* | mips-sni-sysv*)
 775     machine=mips-siemens opsys=usg5-4
 776     NON_GNU_CC=/usr/ccs/bin/cc
 777     NON_GNU_CPP=/usr/ccs/lib/cpp
 778   ;;
 779
 780   ## Silicon Graphics machines
 781   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 782   m68*-sgi-iris3.5* )
 783     machine=irist opsys=iris3-5
 784   ;;
 785   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 786     machine=irist opsys=iris3-6
 787   ;;
 788   ## Iris 4D
 789   mips-sgi-irix3* )
 790     machine=iris4d opsys=irix3-3
 791   ;;
 792   mips-sgi-irix4* )
 793     machine=iris4d opsys=irix4-0
 794   ;;
 795   mips-sgi-irix6.5 )
 796     machine=iris4d opsys=irix6-5
 797     # Without defining _LANGUAGE_C, things get masked out in the headers
 798     # so that, for instance, grepping for `free' in stdlib.h fails and
 799     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 800     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 801     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 802   ;;
 803   mips-sgi-irix6* )
 804     machine=iris4d opsys=irix6-0
 805     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 806     # but presumably it does no harm.
 807     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 808     # -32 probably isn't necessary in later v.6s -- anyone know which?
 809     NON_GCC_TEST_OPTIONS=-32
 810   ;;
 811   mips-sgi-irix5.[01]* )
 812     machine=iris4d opsys=irix5-0
 813   ;;
 814   mips-sgi-irix5* | mips-sgi-irix* )
 815     machine=iris4d opsys=irix5-2
 816   ;;
 817
 818   ## SONY machines
 819   m68*-sony-bsd4.2* )
 820     machine=news opsys=bsd4-2
 821   ;;
 822   m68*-sony-bsd4.3* )
 823     machine=news opsys=bsd4-3
 824   ;;
 825   m68*-sony-newsos3* | m68*-sony-news3*)
 826     machine=news opsys=bsd4-3
 827   ;;
 828   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 829     machine=news-risc opsys=bsd4-3
 830   ;;
 831   mips-sony-newsos6* )
 832     machine=news-r6 opsys=newsos6
 833   ;;
 834   mips-sony-news* )
 835     machine=news-risc opsys=newsos5
 836   ;;
 837
 838   ## Stride
 839   m68*-stride-sysv* )
 840     machine=stride opsys=usg5-2
 841   ;;
 842
 843   ## Suns
 844   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 845     machine=sparc opsys=gnu-linux
 846   ;;
 847
 848   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 849     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 850     | rs6000-*-solaris2*)
 851     case "${canonical}" in
 852       m68*-sunos1* )    machine=sun1 ;;
 853       m68*-sunos2* )    machine=sun2 ;;
 854       m68* )            machine=sun3 ;;
 855       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 856       i[3456]86-*-* )     machine=intel386 ;;
 857       powerpcle* )      machine=powerpcle ;;
 858       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 859       sparc* )          machine=sparc ;;
 860       * )               unported=yes ;;
 861     esac
 862     case "${canonical}" in
 863       ## The Sun386 didn't get past 4.0.
 864       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 865       *-sunos4.0*         ) opsys=sunos4-0 ;;
 866       *-sunos4.1.[3-9]*noshare )
 867                 ## This name is sunos413 instead of sunos4-1-3
 868                 ## to avoid a file name conflict on MSDOS.
 869                 opsys=sunos413
 870                 NON_GNU_CPP=/usr/lib/cpp
 871                 NON_GCC_TEST_OPTIONS=-Bstatic
 872                 GCC_TEST_OPTIONS=-static
 873                 ;;
 874       *-sunos4.1.[3-9]* | *-sunos4shr*)
 875                 opsys=sunos4shr
 876                 NON_GNU_CPP=/usr/lib/cpp
 877                 ;;
 878       *-sunos4* | *-sunos )
 879                 opsys=sunos4-1
 880                 NON_GCC_TEST_OPTIONS=-Bstatic
 881                 GCC_TEST_OPTIONS=-static
 882                 ;;
 883       *-sunos5.3* | *-solaris2.3* )
 884                 opsys=sol2-3
 885                 NON_GNU_CPP=/usr/ccs/lib/cpp
 886                 ;;
 887       *-sunos5.4* | *-solaris2.4* )
 888                 opsys=sol2-4
 889                 NON_GNU_CPP=/usr/ccs/lib/cpp
 890                 RANLIB="ar -ts"
 891                 ;;
 892       *-sunos5.5* | *-solaris2.5* )
 893                 opsys=sol2-5
 894                 NON_GNU_CPP=/usr/ccs/lib/cpp
 895                 RANLIB="ar -ts"
 896                 ;;
 897       *-sunos5* | *-solaris* )
 898                 opsys=sol2-5
 899                 NON_GNU_CPP=/usr/ccs/lib/cpp
 900                 ;;
 901       *                   ) opsys=bsd4-2   ;;
 902     esac
 903     ## Watch out for a compiler that we know will not work.
 904     case "${canonical}" in
 905      *-solaris* | *-sunos5* )
 906                 if [ "x$CC" = x/usr/ucb/cc ]; then
 907                   ## /usr/ucb/cc doesn't work;
 908                   ## we should find some other compiler that does work.
 909                   unset CC
 910                 fi
 911                 ;;
 912       *) ;;
 913     esac
 914   ;;
 915   sparc-*-nextstep* )
 916     machine=sparc opsys=nextstep
 917   ;;
 918
 919   ## Tadpole 68k
 920   m68*-tadpole-sysv* )
 921     machine=tad68k opsys=usg5-3
 922   ;;
 923
 924   ## Tahoe machines
 925   tahoe-tahoe-bsd4.2* )
 926     machine=tahoe opsys=bsd4-2
 927   ;;
 928   tahoe-tahoe-bsd4.3* )
 929     machine=tahoe opsys=bsd4-3
 930   ;;
 931
 932   ## Tandem Integrity S2
 933   mips-tandem-sysv* )
 934     machine=tandem-s2 opsys=usg5-3
 935   ;;
 936
 937   ## Tektronix XD88
 938   m88k-tektronix-sysv3* )
 939   machine=tekxd88 opsys=usg5-3
 940   ;;
 941
 942   ## Tektronix 16000 box (6130?)
 943   ns16k-tektronix-bsd* )
 944     machine=ns16000 opsys=bsd4-2
 945   ;;
 946   ## Tektronix 4300
 947   ## src/m/tek4300.h hints that this is a m68k machine.
 948   m68*-tektronix-bsd* )
 949     machine=tek4300 opsys=bsd4-3
 950   ;;
 951
 952   ## Titan P2 or P3
 953   ## We seem to have lost the machine-description file titan.h!
 954   titan-titan-sysv* )
 955     machine=titan opsys=usg5-3
 956   ;;
 957
 958   ## Ustation E30 (SS5E)
 959   m68*-unisys-uniplus* )
 960     machine=ustation opsystem=unipl5-2
 961   ;;
 962
 963   ## Vaxen.
 964   vax-dec-* )
 965     machine=vax
 966     case "${canonical}" in
 967       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 968       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 969       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 970       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 971       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 972       *-vms* )                                          opsys=vms ;;
 973       * )                                               unported=yes
 974     esac
 975   ;;
 976
 977   ## Whitechapel MG1
 978   ns16k-whitechapel-* )
 979     machine=mg1
 980     ## We don't know what sort of OS runs on these; we'll let the
 981     ## operating system guessing code below try.
 982   ;;
 983
 984   ## Wicat
 985   m68*-wicat-sysv* )
 986     machine=wicat opsys=usg5-2
 987   ;;
 988
 989   ## IA-64
 990   ia64*-*-linux* )
 991     machine=ia64 opsys=gnu-linux
 992   ;;
 993
 994   ## Intel 386 machines where we don't care about the manufacturer
 995   i[3456]86-*-* )
 996     machine=intel386
 997     case "${canonical}" in
 998       *-lynxos* )               opsys=lynxos ;;
 999       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1000       *-isc2.2* )               opsys=isc2-2 ;;
1001       *-isc4.0* )               opsys=isc4-0 ;;
1002       *-isc4.* )                opsys=isc4-1
1003                                 GCC_TEST_OPTIONS=-posix
1004                                 NON_GCC_TEST_OPTIONS=-Xp
1005                                 ;;
1006       *-isc* )                  opsys=isc3-0 ;;
1007       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1008       *-esix* )                 opsys=esix ;;
1009       *-xenix* )                opsys=xenix ;;
1010       *-linux-gnu* )            opsys=gnu-linux ;;
1011       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1012       *-sco3.2v5* )             opsys=sco5
1013                                 NON_GNU_CPP=/lib/cpp
1014                                 # Prevent -belf from being passed to $CPP.
1015                                 # /lib/cpp does not accept it.
1016                                 OVERRIDE_CPPFLAGS=" "
1017                                 ;;
1018       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1019       *-386bsd* )               opsys=386bsd ;;
1020       *-freebsd* )              opsys=freebsd ;;
1021       *-nextstep* )             opsys=nextstep ;;
1022       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1023     esac
1024   ;;
1025
1026   ## m68k Linux-based GNU system
1027   m68k-*-linux-gnu* )
1028     machine=m68k opsys=gnu-linux
1029   ;;
1030
1031   ## Mips Linux-based GNU system
1032   mips-*-linux-gnu* )
1033     machine=mips opsys=gnu-linux
1034   ;;
1035
1036   ## UXP/DS
1037   sparc-fujitsu-sysv4* )
1038     machine=sparc opsys=uxpds
1039     NON_GNU_CPP=/usr/ccs/lib/cpp
1040     RANLIB="ar -ts"
1041   ;;
1042
1043   ## UXP/V
1044   f301-fujitsu-uxpv4.1)
1045     machine=f301 opsys=uxpv
1046   ;;
1047
1048   * )
1049     unported=yes
1050   ;;
1051 esac
1052
1053 ### If the code above didn't choose an operating system, just choose
1054 ### an operating system based on the configuration name.  You really
1055 ### only want to use this when you have no idea what the right
1056 ### operating system is; if you know what operating systems a machine
1057 ### runs, it's cleaner to make it explicit in the case statement
1058 ### above.
1059 if test x"${opsys}" = x; then
1060   case "${canonical}" in
1061     *-gnu* )                            opsys=gnu ;;
1062     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1063     *-bsd4.2 )                          opsys=bsd4-2 ;;
1064     *-bsd4.3 )                          opsys=bsd4-3 ;;
1065     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1066     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1067     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1068     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1069     *-sysv4.2uw* )                      opsys=unixware ;;
1070     *-sysv4.1* | *-sysvr4.1* )
1071         NON_GNU_CPP=/usr/lib/cpp
1072         opsys=usg5-4 ;;
1073     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1074         if [ x$NON_GNU_CPP = x ]; then
1075           if [ -f /usr/ccs/lib/cpp ]; then
1076             NON_GNU_CPP=/usr/ccs/lib/cpp
1077           else
1078             NON_GNU_CPP=/lib/cpp
1079           fi
1080         fi
1081         opsys=usg5-4-2 ;;
1082     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1083     * )
1084       unported=yes
1085     ;;
1086   esac
1087 fi
1088
1089 changequote([, ])dnl
1090
1091 if test $unported = yes; then
1092   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1093 Check \`etc/MACHINES' for recognized configuration names.])
1094 fi
1095
1096 machfile="m/${machine}.h"
1097 opsysfile="s/${opsys}.h"
1098
1099
1100 #### Choose a compiler.
1101 test -n "$CC" && cc_specified=yes
1102
1103 # Save the value of CFLAGS that the user specified.
1104 SPECIFIED_CFLAGS="$CFLAGS"
1105
1106 case ${with_gcc} in
1107   "yes" ) CC="gcc" GCC=yes ;;
1108   "no"  ) : ${CC=cc} ;;
1109   * ) AC_PROG_CC
1110 esac
1111
1112 # On Suns, sometimes $CPP names a directory.
1113 if test -n "$CPP" && test -d "$CPP"; then
1114   CPP=
1115 fi
1116
1117 #### Some systems specify a CPP to use unless we are using GCC.
1118 #### Now that we know whether we are using GCC, we can decide whether
1119 #### to use that one.
1120 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1121 then
1122   CPP="$NON_GNU_CPP"
1123 fi
1124
1125 #### Some systems specify a CC to use unless we are using GCC.
1126 #### Now that we know whether we are using GCC, we can decide whether
1127 #### to use that one.
1128 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1129   test x$cc_specified != xyes
1130 then
1131   CC="$NON_GNU_CC"
1132 fi
1133
1134 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1135 then
1136   CC="$CC $GCC_TEST_OPTIONS"
1137 fi
1138
1139 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1140 then
1141   CC="$CC $NON_GCC_TEST_OPTIONS"
1142 fi
1143
1144 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1145 then
1146   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1147 fi
1148
1149 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1150 then
1151   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1152 fi
1153
1154 #### Some other nice autoconf tests.  If you add a test here which
1155 #### should make an entry in src/config.h, don't forget to add an
1156 #### #undef clause to src/config.h.in for autoconf to modify.
1157
1158 dnl checks for programs
1159 AC_PROG_LN_S
1160 AC_PROG_CPP
1161 AC_PROG_INSTALL
1162 AC_PROG_YACC
1163 if test "x$RANLIB" = x; then
1164   AC_PROG_RANLIB
1165 fi
1166
1167 dnl checks for Unix variants
1168 AC_AIX
1169
1170 #### Extract some information from the operating system and machine files.
1171
1172 AC_CHECKING([the machine- and system-dependent files to find out
1173  - which libraries the lib-src programs will want, and
1174  - whether the GNU malloc routines are usable])
1175
1176 ### First figure out CFLAGS (which we use for running the compiler here)
1177 ### and REAL_CFLAGS (which we use for real compilation).
1178 ### The two are the same except on a few systems, where they are made
1179 ### different to work around various lossages.  For example,
1180 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1181 ### as implying static linking.
1182
1183 ### If the CFLAGS env var is specified, we use that value
1184 ### instead of the default.
1185
1186 ### It's not important that this name contain the PID; you can't run
1187 ### two configures in the same directory and have anything work
1188 ### anyway.
1189 tempcname="conftest.c"
1190
1191 echo '
1192 #include "'${srcdir}'/src/'${opsysfile}'"
1193 #include "'${srcdir}'/src/'${machfile}'"
1194 #ifndef LIBS_MACHINE
1195 #define LIBS_MACHINE
1196 #endif
1197 #ifndef LIBS_SYSTEM
1198 #define LIBS_SYSTEM
1199 #endif
1200 #ifndef C_SWITCH_SYSTEM
1201 #define C_SWITCH_SYSTEM
1202 #endif
1203 #ifndef C_SWITCH_MACHINE
1204 #define C_SWITCH_MACHINE
1205 #endif
1206 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1207 configure___ c_switch_system=C_SWITCH_SYSTEM
1208 configure___ c_switch_machine=C_SWITCH_MACHINE
1209
1210 #ifndef LIB_X11_LIB
1211 #define LIB_X11_LIB -lX11
1212 #endif
1213
1214 #ifndef LIBX11_MACHINE
1215 #define LIBX11_MACHINE
1216 #endif
1217
1218 #ifndef LIBX11_SYSTEM
1219 #define LIBX11_SYSTEM
1220 #endif
1221 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1222
1223 #ifdef UNEXEC
1224 configure___ unexec=UNEXEC
1225 #else
1226 configure___ unexec=unexec.o
1227 #endif
1228
1229 #ifdef SYSTEM_MALLOC
1230 configure___ system_malloc=yes
1231 #else
1232 configure___ system_malloc=no
1233 #endif
1234
1235 #ifdef USE_MMAP_FOR_BUFFERS
1236 configure___ use_mmap_for_buffers=yes
1237 #else
1238 configure___ use_mmap_for_buffers=no
1239 #endif
1240
1241 #ifndef C_DEBUG_SWITCH
1242 #define C_DEBUG_SWITCH -g
1243 #endif
1244
1245 #ifndef C_OPTIMIZE_SWITCH
1246 #ifdef __GNUC__
1247 #define C_OPTIMIZE_SWITCH -O2
1248 #else
1249 #define C_OPTIMIZE_SWITCH -O
1250 #endif
1251 #endif
1252
1253 #ifndef LD_SWITCH_MACHINE
1254 #define LD_SWITCH_MACHINE
1255 #endif
1256
1257 #ifndef LD_SWITCH_SYSTEM
1258 #define LD_SWITCH_SYSTEM
1259 #endif
1260
1261 #ifndef LD_SWITCH_X_SITE_AUX
1262 #define LD_SWITCH_X_SITE_AUX
1263 #endif
1264
1265 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1266 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1267
1268 #ifdef THIS_IS_CONFIGURE
1269
1270 /* Get the CFLAGS for tests in configure.  */
1271 #ifdef __GNUC__
1272 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1273 #else
1274 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1275 #endif
1276
1277 #else /* not THIS_IS_CONFIGURE */
1278
1279 /* Get the CFLAGS for real compilation.  */
1280 #ifdef __GNUC__
1281 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1282 #else
1283 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1284 #endif
1285
1286 #endif /* not THIS_IS_CONFIGURE */
1287 ' > ${tempcname}
1288
1289 # The value of CPP is a quoted variable reference, so we need to do this
1290 # to get its actual value...
1291 CPP=`eval "echo $CPP"`
1292 changequote(, )dnl
1293 eval `${CPP} -Isrc ${tempcname} \
1294        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1295 if test "x$SPECIFIED_CFLAGS" = x; then
1296   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1297          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1298 else
1299   REAL_CFLAGS="$CFLAGS"
1300 fi
1301 changequote([, ])dnl
1302 rm ${tempcname}
1303
1304 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1305
1306 ### Make sure subsequent tests use flags consistent with the build flags.
1307
1308 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1309   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1310 else
1311   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1312 fi
1313
1314 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1315 AC_SYS_LARGEFILE
1316
1317 # Sound support for GNU/Linux and the free BSDs.
1318 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1319 # Emulation library used on NetBSD.
1320 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1321 AC_SUBST(LIBSOUND)
1322
1323 dnl checks for header files
1324 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1325   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1326   termcap.h stdio_ext.h fcntl.h term.h strings.h)
1327 AC_HEADER_STDC
1328 AC_HEADER_TIME
1329 AC_DECL_SYS_SIGLIST
1330 AC_HEADER_SYS_WAIT
1331
1332 dnl Some systems have utime.h but don't declare the struct anyplace.
1333 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1334 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1335 #include <sys/time.h>
1336 #include <time.h>
1337 #else
1338 #ifdef HAVE_SYS_TIME_H
1339 #include <sys/time.h>
1340 #else
1341 #include <time.h>
1342 #endif
1343 #endif
1344 #ifdef HAVE_UTIME_H
1345 #include <utime.h>
1346 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1347   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1348 if test $emacs_cv_struct_utimbuf = yes; then
1349   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1350 fi
1351
1352 dnl checks for typedefs
1353 AC_TYPE_SIGNAL
1354
1355 dnl Check for speed_t typedef.
1356 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1357 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1358   emacs_cv_speed_t=yes))
1359 if test $emacs_cv_speed_t = yes; then
1360   AC_DEFINE(HAVE_SPEED_T)
1361 fi
1362
1363 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1364 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1365 #include <sys/time.h>
1366 #include <time.h>
1367 #else
1368 #ifdef HAVE_SYS_TIME_H
1369 #include <sys/time.h>
1370 #else
1371 #include <time.h>
1372 #endif
1373 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1374   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1375 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1376 if test $emacs_cv_struct_timeval = yes; then
1377   AC_DEFINE(HAVE_TIMEVAL)
1378 fi
1379
1380 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1381 AC_TRY_COMPILE([#include <math.h>],
1382 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1383   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1384 HAVE_EXCEPTION=$emacs_cv_struct_exception
1385 if test $emacs_cv_struct_exception != yes; then
1386   AC_DEFINE(NO_MATHERR)
1387 fi
1388
1389 dnl checks for structure members
1390 AC_STRUCT_TM
1391 AC_STRUCT_TIMEZONE
1392 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1393 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1394   emacs_cv_tm_gmtoff=yes,
1395   emacs_cv_tm_gmtoff=no))
1396 if test $emacs_cv_tm_gmtoff = yes; then
1397   AC_DEFINE(HAVE_TM_GMTOFF)
1398 fi
1399
1400 dnl checks for compiler characteristics
1401
1402 dnl Testing __STDC__ to determine prototype support isn't good enough.
1403 dnl DEC C, for instance, doesn't define it with default options, and
1404 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1405 dnl and void *.
1406 AC_C_PROTOTYPES
1407 AC_C_VOLATILE
1408 AC_C_CONST
1409 dnl This isn't useful because we can't turn on use of `inline' unless
1410 dnl the compiler groks `extern inline'.
1411 dnl AC_C_INLINE
1412 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1413   [AC_TRY_COMPILE(, [void * foo;],
1414                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1415 if test $emacs_cv_void_star = yes; then
1416   AC_DEFINE(POINTER_TYPE, void)
1417 else
1418   AC_DEFINE(POINTER_TYPE, char)
1419 fi
1420
1421 dnl check for Make feature
1422 AC_PROG_MAKE_SET
1423
1424 dnl checks for operating system services
1425 AC_SYS_LONG_FILE_NAMES
1426
1427 #### Choose a window system.
1428
1429 AC_PATH_X
1430 if test "$no_x" = yes; then
1431   window_system=none
1432 else
1433   window_system=x11
1434 fi
1435
1436 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1437   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1438   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1439   x_default_search_path=""
1440   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1441     x_search_path="\
1442 ${x_library}/X11/%L/%T/%N%C%S:\
1443 ${x_library}/X11/%l/%T/%N%C%S:\
1444 ${x_library}/X11/%T/%N%C%S:\
1445 ${x_library}/X11/%L/%T/%N%S:\
1446 ${x_library}/X11/%l/%T/%N%S:\
1447 ${x_library}/X11/%T/%N%S"
1448     if test x"${x_default_search_path}" = x; then
1449       x_default_search_path=${x_search_path}
1450     else
1451       x_default_search_path="${x_search_path}:${x_default_search_path}"
1452     fi
1453   done
1454 fi
1455 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1456   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1457 fi
1458
1459 if test x"${x_includes}" = x; then
1460   bitmapdir=/usr/include/X11/bitmaps
1461 else
1462   # accumulate include directories that have X11 bitmap subdirectories
1463   bmd_acc="dummyval"
1464   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1465     if test -d "${bmd}/X11/bitmaps"; then
1466       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1467     fi
1468     if test -d "${bmd}/bitmaps"; then
1469       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1470     fi
1471   done
1472   if test ${bmd_acc} != "dummyval"; then
1473     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1474   fi
1475 fi
1476
1477 case "${window_system}" in
1478   x11 )
1479     HAVE_X_WINDOWS=yes
1480     HAVE_X11=yes
1481     case "${with_x_toolkit}" in
1482       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1483       motif ) USE_X_TOOLKIT=MOTIF ;;
1484 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1485       no ) USE_X_TOOLKIT=none ;;
1486 dnl If user did not say whether to use a toolkit,
1487 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1488       * ) USE_X_TOOLKIT=maybe ;;
1489     esac
1490   ;;
1491   none )
1492     HAVE_X_WINDOWS=no
1493     HAVE_X11=no
1494     USE_X_TOOLKIT=none
1495   ;;
1496 esac
1497
1498 ### If we're using X11, we should use the X menu package.
1499 HAVE_MENUS=no
1500 case ${HAVE_X11} in
1501   yes ) HAVE_MENUS=yes ;;
1502 esac
1503
1504 if test "${opsys}" = "hpux9"; then
1505   case "${x_libraries}" in
1506     *X11R4* )
1507       opsysfile="s/hpux9-x11r4.h"
1508       ;;
1509   esac
1510 fi
1511
1512 if test "${opsys}" = "hpux9shr"; then
1513   case "${x_libraries}" in
1514     *X11R4* )
1515       opsysfile="s/hpux9shxr4.h"
1516       ;;
1517   esac
1518 fi
1519
1520 ### Compute the unexec source name from the object name.
1521 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1522
1523 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1524 # Assume not, until told otherwise.
1525 GNU_MALLOC=yes
1526 doug_lea_malloc=yes
1527 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1528 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1529 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1530                emacs_cv_var___after_morecore_hook,
1531 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1532   emacs_cv_var___after_morecore_hook=yes,
1533   emacs_cv_var___after_morecore_hook=no))
1534 if test $emacs_cv_var___after_morecore_hook = no; then
1535   doug_lea_malloc=no
1536 fi
1537 if test "${system_malloc}" = "yes"; then
1538   GNU_MALLOC=no
1539   GNU_MALLOC_reason="
1540     (The GNU allocators don't work with this system configuration.)"
1541 fi
1542 if test "$doug_lea_malloc" = "yes" ; then
1543   if test "$GNU_MALLOC" = yes ; then
1544     GNU_MALLOC_reason="
1545       (Using Doug Lea's new malloc from the GNU C Library.)"
1546   fi
1547   AC_DEFINE(DOUG_LEA_MALLOC)
1548 fi
1549
1550 if test x"${REL_ALLOC}" = x; then
1551   REL_ALLOC=${GNU_MALLOC}
1552 fi
1553
1554 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1555 dnl the system configuration file (s/*.h) to turn the use of mmap
1556 dnl in the relocating allocator on.
1557
1558 AC_FUNC_MMAP
1559 if test $use_mmap_for_buffers = yes; then
1560   REL_ALLOC=no
1561 fi
1562
1563 LIBS="$libsrc_libs $LIBS"
1564
1565 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1566 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1567 AC_CHECK_LIB(dnet, dnet_ntoa)
1568 dnl This causes -lresolv to get used in subsequent tests,
1569 dnl which causes failures on some systems such as HPUX 9.
1570 dnl AC_CHECK_LIB(resolv, gethostbyname)
1571
1572 dnl FIXME replace main with a function we actually want from this library.
1573 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1574
1575 AC_CHECK_LIB(pthreads, cma_open)
1576
1577 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1578 if test -d /usr/X386/include; then
1579   HAVE_XFREE386=yes
1580   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1581 else
1582   HAVE_XFREE386=no
1583 fi
1584 AC_MSG_RESULT($HAVE_XFREE386)
1585
1586 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1587 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1588
1589 REAL_CPPFLAGS="$CPPFLAGS"
1590
1591 if test "${HAVE_X11}" = "yes"; then
1592   DEFS="$C_SWITCH_X_SITE $DEFS"
1593   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1594   LIBS="$LIBX $LIBS"
1595   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1596   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1597
1598   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1599   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1600   # but it's more convenient here to set LD_RUN_PATH
1601   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1602   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1603     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1604     export LD_RUN_PATH
1605   fi
1606
1607   if test "${opsys}" = "gnu-linux"; then
1608     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1609     AC_TRY_LINK([],
1610      [XOpenDisplay ("foo");],
1611      [xlinux_first_failure=no],
1612      [xlinux_first_failure=yes])
1613     if test "${xlinux_first_failure}" = "yes"; then
1614       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1615       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1616       OLD_CPPFLAGS="$CPPFLAGS"
1617       OLD_LIBS="$LIBS"
1618       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1619       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1620       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1621       LIBS="$LIBS -b i486-linuxaout"
1622       AC_TRY_LINK([],
1623        [XOpenDisplay ("foo");],
1624        [xlinux_second_failure=no],
1625        [xlinux_second_failure=yes])
1626       if test "${xlinux_second_failure}" = "yes"; then
1627         # If we get the same failure with -b, there is no use adding -b.
1628         # So take it out.  This plays safe.
1629         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1630         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1631         CPPFLAGS="$OLD_CPPFLAGS"
1632         LIBS="$OLD_LIBS"
1633         AC_MSG_RESULT(no)
1634       else
1635         AC_MSG_RESULT(yes)
1636       fi
1637     else
1638       AC_MSG_RESULT(no)
1639     fi
1640   fi
1641
1642   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1643   # header files included from there.
1644   AC_MSG_CHECKING(for Xkb)
1645   AC_TRY_LINK([#include <X11/Xlib.h>
1646 #include <X11/XKBlib.h>],
1647         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1648         emacs_xkb=yes, emacs_xkb=no)
1649   AC_MSG_RESULT($emacs_xkb)
1650   if test $emacs_xkb = yes; then
1651     AC_DEFINE(HAVE_XKBGETKEYBOARD)
1652   fi
1653
1654   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1655 XScreenNumberOfScreen XSetWMProtocols)
1656 fi
1657
1658 if test "${window_system}" = "x11"; then
1659   AC_MSG_CHECKING(X11 version 6)
1660   AC_CACHE_VAL(emacs_cv_x11_version_6,
1661   AC_TRY_LINK([#include <X11/Xlib.h>],
1662 [#if XlibSpecificationRelease < 6
1663 fail;
1664 #endif
1665 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1666   if test $emacs_cv_x11_version_6 = yes; then
1667     AC_MSG_RESULT(6 or newer)
1668     AC_DEFINE(HAVE_X11R6)
1669   else
1670     AC_MSG_RESULT(before 6)
1671   fi
1672 fi
1673
1674 if test "${window_system}" = "x11"; then
1675   AC_MSG_CHECKING(X11 version 5)
1676   AC_CACHE_VAL(emacs_cv_x11_version_5,
1677   AC_TRY_LINK([#include <X11/Xlib.h>],
1678 [#if XlibSpecificationRelease < 5
1679 fail;
1680 #endif
1681 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1682   if test $emacs_cv_x11_version_5 = yes; then
1683     AC_MSG_RESULT(5 or newer)
1684     HAVE_X11R5=yes
1685     AC_DEFINE(HAVE_X11R5)
1686   else
1687     HAVE_X11R5=no
1688     AC_MSG_RESULT(before 5)
1689   fi
1690 fi
1691
1692 dnl Do not put whitespace before the #include statements below.
1693 dnl Older compilers (eg sunos4 cc) choke on it.
1694 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1695   if test x"${HAVE_X11R5}" = xyes; then
1696     AC_MSG_CHECKING(X11 version 5 with Xaw)
1697     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1698     AC_TRY_LINK([
1699 #include <X11/Intrinsic.h>
1700 #include <X11/Xaw/Simple.h>],
1701       [],
1702       emacs_cv_x11_version_5_with_xaw=yes,
1703       emacs_cv_x11_version_5_with_xaw=no))
1704     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1705       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1706       USE_X_TOOLKIT=LUCID
1707     else
1708       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1709       USE_X_TOOLKIT=none
1710     fi
1711   else
1712     USE_X_TOOLKIT=none
1713   fi
1714 fi
1715
1716 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1717
1718 if test "${USE_X_TOOLKIT}" != "none"; then
1719   AC_MSG_CHECKING(X11 toolkit version)
1720   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1721   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1722 [#if XtSpecificationRelease < 6
1723 fail;
1724 #endif
1725 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1726   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1727   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1728     AC_MSG_RESULT(6 or newer)
1729     AC_DEFINE(HAVE_X11XTR6)
1730   else
1731     AC_MSG_RESULT(before 6)
1732   fi
1733
1734 dnl If using toolkit, check whether libXmu.a exists.
1735 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1736   OLDLIBS="$LIBS"
1737   if test x$HAVE_X11XTR6 = xyes; then
1738     LIBS="-lXt -lSM -lICE $LIBS"
1739   else
1740     LIBS="-lXt $LIBS"
1741   fi
1742   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1743   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1744 fi
1745
1746 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1747 if test "${HAVE_X11}" = "yes"; then
1748   if test "${USE_X_TOOLKIT}" != "none"; then
1749     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1750   fi
1751 fi
1752
1753 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1754   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1755   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1756     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1757 int x = 5;
1758 #else
1759 Motif version prior to 2.1.
1760 #endif],
1761     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1762   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1763   if test $emacs_cv_motif_version_2_1 = yes; then
1764     HAVE_LIBXP=no
1765     AC_DEFINE(HAVE_MOTIF_2_1)
1766     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1767     if test ${HAVE_LIBXP} = yes; then
1768       AC_DEFINE(HAVE_LIBXP)
1769     fi
1770   fi
1771 fi
1772
1773 ### Is -lXaw3d available?
1774 HAVE_XAW3D=no
1775 if test "${HAVE_X11}" = "yes"; then
1776   if test "${USE_X_TOOLKIT}" != "none"; then
1777     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1778         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes))
1779     if test "${HAVE_XAW3D}" = "yes"; then
1780         AC_DEFINE(HAVE_XAW3D)
1781     fi
1782   fi
1783 fi
1784
1785 dnl Use toolkit scroll bars if configured for X toolkit and either
1786 dnl using Motif or Xaw3d is available, and unless
1787 dnl --with-toolkit-scroll-bars=no was specified.
1788
1789 USE_TOOLKIT_SCROLL_BARS=no
1790 if test "${with_toolkit_scroll_bars}" != "no"; then
1791   if test "${USE_X_TOOLKIT}" != "none"; then
1792     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1793       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1794       HAVE_XAW3D=no
1795       USE_TOOLKIT_SCROLL_BARS=yes
1796     elif test "${HAVE_XAW3D}" = "yes"; then
1797       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1798       USE_TOOLKIT_SCROLL_BARS=yes
1799     fi
1800   fi
1801 fi
1802
1803 dnl Don't use X11 input methods if user specifies he doesn't want it
1804 dnl with `--with-xim=no'.
1805
1806 if test "${with_xim}" != "no"; then
1807   AC_DEFINE(USE_XIM)
1808 fi
1809
1810 ### Use -lXpm if available, unless `--with-xpm=no'.
1811 HAVE_XPM=no
1812 if test "${HAVE_X11}" = "yes"; then
1813   if test "${with_xpm}" != "no"; then
1814     AC_CHECK_HEADER(X11/xpm.h,
1815       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1816     if test "${HAVE_XPM}" = "yes"; then
1817       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1818       AC_EGREP_CPP(no_return_alloc_pixels,
1819       [#include "X11/xpm.h"
1820 #ifndef XpmReturnAllocPixels
1821 no_return_alloc_pixels
1822 #endif
1823       ], HAVE_XPM=no, HAVE_XPM=yes)
1824
1825       if test "${HAVE_XPM}" = "yes"; then
1826         AC_MSG_RESULT(yes)
1827       else
1828         AC_MSG_RESULT(no)
1829       fi
1830     fi
1831   fi
1832
1833   if test "${HAVE_XPM}" = "yes"; then
1834     AC_DEFINE(HAVE_XPM)
1835   fi
1836 fi
1837
1838 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1839 HAVE_JPEG=no
1840 if test "${HAVE_X11}" = "yes"; then
1841   if test "${with_jpeg}" != "no"; then
1842     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1843     dnl  HAVE_STDLIB_H.
1844     AC_CHECK_HEADER(jerror.h,
1845       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
1846   fi
1847
1848   if test "${HAVE_JPEG}" = "yes"; then
1849     AC_DEFINE(HAVE_JPEG)
1850   fi
1851 fi
1852
1853 ### Use -lpng if available, unless `--with-png=no'.
1854 HAVE_PNG=no
1855 if test "${HAVE_X11}" = "yes"; then
1856   if test "${with_png}" != "no"; then
1857     AC_CHECK_HEADER(png.h,
1858       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm))
1859   fi
1860
1861   if test "${HAVE_PNG}" = "yes"; then
1862     AC_DEFINE(HAVE_PNG)
1863   fi
1864 fi
1865
1866 ### Use -ltiff if available, unless `--with-tiff=no'.
1867 HAVE_TIFF=no
1868 if test "${HAVE_X11}" = "yes"; then
1869   if test "${with_tiff}" != "no"; then
1870     AC_CHECK_HEADER(tiffio.h,
1871       tifflibs="-lz -lm"
1872       # At least one tiff package requires the jpeg library.
1873       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1874       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1875   fi
1876
1877   if test "${HAVE_TIFF}" = "yes"; then
1878     AC_DEFINE(HAVE_TIFF)
1879   fi
1880 fi
1881
1882 ### Use -lgif if available, unless `--with-gif=no'.
1883 HAVE_GIF=no
1884 if test "${HAVE_X11}" = "yes"; then
1885   if test "${with_gif}" != "no"; then
1886     AC_CHECK_HEADER(gif_lib.h,
1887       AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes))
1888   fi
1889
1890   if test "${HAVE_GIF}" = "yes"; then
1891     AC_DEFINE(HAVE_GIF)
1892   fi
1893 fi
1894
1895 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1896 AC_CACHE_CHECK(whether netdb declares h_errno,
1897                emacs_cv_netdb_declares_h_errno,
1898 AC_TRY_LINK([#include <netdb.h>],
1899   [return h_errno;],
1900   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1901 if test $emacs_cv_netdb_declares_h_errno = yes; then
1902   AC_DEFINE(HAVE_H_ERRNO)
1903 fi
1904
1905 AC_FUNC_ALLOCA
1906
1907 # fmod, logb, and frexp are found in -lm on most systems.
1908 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1909 AC_CHECK_LIB(m, sqrt)
1910
1911 # Check for mail-locking functions in a "mail" library
1912 AC_CHECK_LIB(mail, maillock)
1913 dnl Debian, at least:
1914 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1915 AC_CHECK_LIB(lockfile, maillock)
1916 # If we have the shared liblockfile, assume we must use it for mail
1917 # locking (e.g. Debian).  If we couldn't link against liblockfile
1918 # (no liblockfile.a installed), ensure that we don't need to.
1919 if test "$ac_cv_lib_lockfile_maillock" = no; then
1920   dnl This works for files generally, not just executables.
1921   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1922   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1923                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1924   if test $ac_cv_prog_liblockfile = yes; then
1925     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1926 This probably means that movemail could lose mail.
1927 There may be a \`development' package to install containing liblockfile.])
1928   else AC_DEFINE(LIBMAIL, -llockfile)
1929   fi
1930   else :
1931 fi
1932 AC_CHECK_FUNCS(touchlock)
1933 AC_CHECK_HEADERS(maillock.h)
1934
1935 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1936 rename closedir mkdir rmdir sysinfo \
1937 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1938 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1939 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1940 __fpending mblen mbrlen strsignal setitimer ualarm index rindex \
1941 gai_strerror mkstemp)
1942
1943 AC_FUNC_MKTIME
1944 if test "$ac_cv_func_working_mktime" = no; then
1945   AC_DEFINE(BROKEN_MKTIME)
1946 fi
1947
1948 AC_FUNC_GETLOADAVG
1949
1950 AC_FUNC_FSEEKO
1951
1952 # UNIX98 PTYs.
1953 AC_CHECK_FUNCS(grantpt)
1954
1955 # PTY-related GNU extensions.
1956 AC_CHECK_FUNCS(getpt)
1957
1958 # Check this now, so that we will NOT find the above functions in ncurses.
1959 # That is because we have not set up to link ncurses in lib-src.
1960 # It's better to believe a function is not available
1961 # than to expect to find it in ncurses.
1962 AC_CHECK_LIB(ncurses, tparm)
1963
1964 # These tell us which Kerberos-related libraries to use.
1965 if test "${with_kerberos+set}" = set; then
1966   AC_CHECK_LIB(com_err, com_err)
1967   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1968   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1969   AC_CHECK_LIB(krb5, krb5_init_context)
1970   if test "${with_kerberos5+set}" != set; then
1971     AC_CHECK_LIB(des425, des_cbc_encrypt,,
1972                  AC_CHECK_LIB(des, des_cbc_encrypt))
1973     AC_CHECK_LIB(krb4, krb_get_cred,,
1974                  AC_CHECK_LIB(krb, krb_get_cred))
1975   fi
1976
1977   if test "${with_kerberos5+set}" = set; then
1978     AC_CHECK_HEADERS(krb5.h)
1979   else
1980     AC_CHECK_HEADERS(des.h,,
1981                      AC_CHECK_HEADERS(kerberosIV/des.h,,
1982                                       AC_CHECK_HEADERS(kerberos/des.h)))
1983     AC_CHECK_HEADERS(krb.h,,
1984                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
1985                                       AC_CHECK_HEADERS(kerberos/krb.h)))
1986   fi
1987   AC_CHECK_HEADERS(com_err.h)
1988 fi
1989
1990 # Solaris requires -lintl if you want strerror (which calls dgettext)
1991 # to return localized messages.
1992 AC_CHECK_LIB(intl, dgettext)
1993
1994 AC_MSG_CHECKING(whether localtime caches TZ)
1995 AC_CACHE_VAL(emacs_cv_localtime_cache,
1996 [if test x$ac_cv_func_tzset = xyes; then
1997 AC_TRY_RUN([#include <time.h>
1998 extern char **environ;
1999 unset_TZ ()
2000 {
2001   char **from, **to;
2002   for (to = from = environ; (*to = *from); from++)
2003     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2004       to++;
2005 }
2006 char TZ_GMT0[] = "TZ=GMT0";
2007 char TZ_PST8[] = "TZ=PST8";
2008 main()
2009 {
2010   time_t now = time ((time_t *) 0);
2011   int hour_GMT0, hour_unset;
2012   if (putenv (TZ_GMT0) != 0)
2013     exit (1);
2014   hour_GMT0 = localtime (&now)->tm_hour;
2015   unset_TZ ();
2016   hour_unset = localtime (&now)->tm_hour;
2017   if (putenv (TZ_PST8) != 0)
2018     exit (1);
2019   if (localtime (&now)->tm_hour == hour_GMT0)
2020     exit (1);
2021   unset_TZ ();
2022   if (localtime (&now)->tm_hour != hour_unset)
2023     exit (1);
2024   exit (0);
2025 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2026 [# If we have tzset, assume the worst when cross-compiling.
2027 emacs_cv_localtime_cache=yes])
2028 else
2029         # If we lack tzset, report that localtime does not cache TZ,
2030         # since we can't invalidate the cache if we don't have tzset.
2031         emacs_cv_localtime_cache=no
2032 fi])dnl
2033 AC_MSG_RESULT($emacs_cv_localtime_cache)
2034 if test $emacs_cv_localtime_cache = yes; then
2035   AC_DEFINE(LOCALTIME_CACHE)
2036 fi
2037
2038 if test "x$HAVE_TIMEVAL" = xyes; then
2039   AC_CHECK_FUNCS(gettimeofday)
2040   AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2041                  emacs_cv_gettimeofday_two_arguments,
2042   AC_TRY_COMPILE([
2043 #ifdef TIME_WITH_SYS_TIME
2044 #include <sys/time.h>
2045 #include <time.h>
2046 #else
2047 #ifdef HAVE_SYS_TIME_H
2048 #include <sys/time.h>
2049 #else
2050 #include <time.h>
2051 #endif
2052 #endif],
2053     [struct timeval time;
2054      gettimeofday (&time, 0);],
2055     emacs_cv_gettimeofday_two_arguments=yes,
2056     emacs_cv_gettimeofday_two_arguments=no))
2057   if test $emacs_cv_gettimeofday_two_arguments = no; then
2058     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2059   fi
2060 fi
2061
2062 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2063 if test "$ac_cv_func_gettimeofday" = yes; then
2064   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2065     [AC_TRY_COMPILE([#include <sys/time.h>],
2066     [struct timezone tz;],
2067     dnl It may be that we can't call gettimeofday with a non-null pointer,
2068     dnl even though we have struct timezone (e.g. HPUX).  In that case
2069     dnl we'll lie about struct timezone.
2070     [AC_TRY_RUN([
2071 #ifdef TIME_WITH_SYS_TIME
2072 #include <sys/time.h>
2073 #include <time.h>
2074 #else
2075 #ifdef HAVE_SYS_TIME_H
2076 #include <sys/time.h>
2077 #else
2078 #include <time.h>
2079 #endif
2080 #endif
2081 main () {
2082   struct timeval time;
2083   struct timezone dummy;
2084   exit (gettimeofday (&time, &dummy));
2085 }],
2086       emacs_cv_struct_timezone=yes,
2087       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2088     emacs_cv_struct_timezone=no)])
2089 fi
2090
2091 ok_so_far=yes
2092 AC_CHECK_FUNC(socket, , ok_so_far=no)
2093 if test $ok_so_far = yes; then
2094   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2095 fi
2096 if test $ok_so_far = yes; then
2097   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2098 fi
2099 if test $ok_so_far = yes; then
2100   AC_DEFINE(HAVE_INET_SOCKETS)
2101 fi
2102
2103 if test -f /usr/lpp/X11/bin/smt.exp; then
2104   AC_DEFINE(HAVE_AIX_SMT_EXP)
2105 fi
2106
2107 AC_MSG_CHECKING(whether system supports dynamic ptys)
2108 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2109   AC_MSG_RESULT(yes)
2110   AC_DEFINE(HAVE_DEV_PTMX)
2111 else
2112   AC_MSG_RESULT(no)
2113 fi
2114
2115 AC_FUNC_VFORK
2116
2117 # Fixme: This should be replaced when we have autoconf 2.14.
2118 AC_SIZE_T
2119
2120 # Set up the CFLAGS for real compilation, so we can substitute it.
2121 CFLAGS="$REAL_CFLAGS"
2122 CPPFLAGS="$REAL_CPPFLAGS"
2123
2124 changequote(, )dnl
2125 #### Find out which version of Emacs this is.
2126 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
2127          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2128 changequote([, ])dnl
2129 if test x"${version}" = x; then
2130   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2131 fi
2132
2133 ### Specify what sort of things we'll be editing into Makefile and config.h.
2134 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2135 AC_SUBST(version)
2136 AC_SUBST(configuration)
2137 AC_SUBST(canonical)
2138 AC_SUBST(srcdir)
2139 AC_SUBST(prefix)
2140 AC_SUBST(exec_prefix)
2141 AC_SUBST(bindir)
2142 AC_SUBST(datadir)
2143 AC_SUBST(sharedstatedir)
2144 AC_SUBST(libexecdir)
2145 AC_SUBST(mandir)
2146 AC_SUBST(infodir)
2147 AC_SUBST(lispdir)
2148 AC_SUBST(locallisppath)
2149 AC_SUBST(lisppath)
2150 AC_SUBST(x_default_search_path)
2151 AC_SUBST(etcdir)
2152 AC_SUBST(archlibdir)
2153 AC_SUBST(docdir)
2154 AC_SUBST(bitmapdir)
2155 AC_SUBST(c_switch_system)
2156 AC_SUBST(c_switch_machine)
2157 AC_SUBST(LD_SWITCH_X_SITE)
2158 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2159 AC_SUBST(C_SWITCH_X_SITE)
2160 AC_SUBST(CFLAGS)
2161 AC_SUBST(X_TOOLKIT_TYPE)
2162 AC_SUBST(machfile)
2163 AC_SUBST(opsysfile)
2164 AC_SUBST(GETLOADAVG_LIBS)
2165
2166 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2167 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2168 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2169 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2170 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2171 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2172 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2173 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2174
2175 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2176   AC_DEFINE(HAVE_X_WINDOWS)
2177 fi
2178 if test "${USE_X_TOOLKIT}" != "none" ; then
2179   AC_DEFINE(USE_X_TOOLKIT)
2180 fi
2181 if test "${HAVE_X11}" = "yes" ; then
2182   AC_DEFINE(HAVE_X11)
2183 fi
2184 if test "${HAVE_XFREE386}" = "yes" ; then
2185   AC_DEFINE(HAVE_XFREE386)
2186 fi
2187 if test "${HAVE_MENUS}" = "yes" ; then
2188   AC_DEFINE(HAVE_MENUS)
2189 fi
2190 if test "${GNU_MALLOC}" = "yes" ; then
2191   AC_DEFINE(GNU_MALLOC)
2192 fi
2193 if test "${REL_ALLOC}" = "yes" ; then
2194   AC_DEFINE(REL_ALLOC)
2195 fi
2196
2197 #### Report on what we decided to do.
2198 echo "
2199 Configured for \`${canonical}'.
2200
2201   Where should the build process find the source code?    ${srcdir}
2202   What operating system and machine description files should Emacs use?
2203         \`${opsysfile}' and \`${machfile}'
2204   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2205   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2206   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2207   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
2208   What window system should Emacs use?                    ${window_system}
2209   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2210
2211 if test -n "${x_includes}"; then
2212 echo "  Where do we find X Windows header files?                ${x_includes}"
2213 else
2214 echo "  Where do we find X Windows header files?                Standard dirs"
2215 fi
2216 if test -n "${x_libraries}"; then
2217 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2218 else
2219 echo "  Where do we find X Windows libraries?                   Standard dirs"
2220 fi
2221
2222 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2223 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2224 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2225 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2226 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2227 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2228 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2229 echo
2230
2231 # Remove any trailing slashes in these variables.
2232 changequote(, )dnl
2233 test "${prefix}" != NONE &&
2234   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2235 test "${exec_prefix}" != NONE &&
2236   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2237 changequote([, ])dnl
2238
2239 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
2240 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2241 ## from Makefile.c can correctly provide the arg `-traditional' to the
2242 ## C preprocessor.
2243
2244 AC_EGREP_CPP(yes..yes,
2245         [yes..yes],
2246         CPP_NEED_TRADITIONAL=no,
2247         CPP_NEED_TRADITIONAL=yes)
2248
2249 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2250         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2251         lisp/Makefile leim/Makefile, [
2252
2253 ### Make the necessary directories, if they don't exist.
2254 for dir in etc lisp ; do
2255   test -d ${dir} || mkdir ${dir}
2256 done
2257
2258 # Build src/Makefile from ${srcdir}/src/Makefile.c
2259 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2260 # This must be done after src/config.h is built, since we rely on that file.
2261
2262 changequote(, )dnl The horror, the horror.
2263 # Now get this: Some word that is part of the ${srcdir} directory name
2264 # or the ${configuration} value might, just might, happen to be an
2265 # identifier like `sun4' or `i386' or something, and be predefined by
2266 # the C preprocessor to some helpful value like 1, or maybe the empty
2267 # string.  Needless to say consequent macro substitutions are less
2268 # than conducive to the makefile finding the correct directory.
2269 undefs="`echo $top_srcdir $configuration $canonical |
2270 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2271     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2272 `"
2273 changequote([, ])dnl
2274
2275 echo creating src/epaths.h
2276 make epaths-force
2277
2278 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2279 # `..' to `. .'  unless invoked with -traditional
2280
2281 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
2282   CPPFLAGS="$CPPFLAGS -traditional"
2283 fi
2284
2285 echo creating lib-src/Makefile
2286 ( cd lib-src
2287   rm -f junk.c junk1.c junk2.c
2288   sed -e '/start of cpp stuff/q' \
2289       < Makefile.c > junk1.c
2290   sed -e '1,/start of cpp stuff/d'\
2291       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2292       < Makefile.c > junk.c
2293   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2294       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2295   cat junk1.c junk2.c > Makefile.new
2296   rm -f junk.c junk1.c junk2.c
2297   chmod 444 Makefile.new
2298   mv -f Makefile.new Makefile
2299 )
2300
2301 echo creating src/Makefile
2302 ( cd src
2303   rm -f junk.c junk1.c junk2.c
2304   sed -e '/start of cpp stuff/q' \
2305       < Makefile.c > junk1.c
2306   sed -e '1,/start of cpp stuff/d'\
2307       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2308       < Makefile.c > junk.c
2309   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2310       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2311   cat junk1.c junk2.c > Makefile.new
2312   rm -f junk.c junk1.c junk2.c
2313   chmod 444 Makefile.new
2314   mv -f Makefile.new Makefile
2315 )
2316
2317 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2318   echo creating src/.gdbinit
2319   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2320 fi
2321
2322 # This is how we know whether to re-run configure in certain cases.
2323 touch src/config.stamp
2324
2325 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
2326