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   ## Honeywell XPS100
 490   xps*-honeywell-sysv* )
 491     machine=xps100 opsys=usg5-2
 492   ;;
 493
 494   ## HP 9000 series 200 or 300
 495   m68*-hp-bsd* )
 496     machine=hp9000s300 opsys=bsd4-3
 497   ;;
 498   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 499   m68*-hp-hpux* )
 500     case "`uname -r`" in
 501       ## Someone's system reports A.B8.05 for this.
 502       ## I wonder what other possibilities there are.
 503       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 504       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 505       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 506       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 507       *) machine=hp9000s300 opsys=hpux ;;
 508     esac
 509   ;;
 510
 511   ## HP 9000 series 700 and 800, running HP/UX
 512   hppa*-hp-hpux7* )
 513     machine=hp800 opsys=hpux
 514   ;;
 515   hppa*-hp-hpux8* )
 516     machine=hp800 opsys=hpux8
 517   ;;
 518   hppa*-hp-hpux9shr* )
 519     machine=hp800 opsys=hpux9shr
 520   ;;
 521   hppa*-hp-hpux9* )
 522     machine=hp800 opsys=hpux9
 523   ;;
 524   hppa*-hp-hpux1[0-9]* )
 525     machine=hp800 opsys=hpux10
 526   ;;
 527
 528   ## HP 9000 series 700 and 800, running HP/UX
 529   hppa*-hp-hpux* )
 530     ## Cross-compilation?  Nah!
 531     case "`uname -r`" in
 532       ## Someone's system reports A.B8.05 for this.
 533       ## I wonder what other possibilities there are.
 534       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 535       *.08.* ) machine=hp800 opsys=hpux8 ;;
 536       *.09.* ) machine=hp800 opsys=hpux9 ;;
 537       *) machine=hp800 opsys=hpux10 ;;
 538     esac
 539   ;;
 540   hppa*-*-nextstep* )
 541     machine=hp800 opsys=nextstep
 542   ;;
 543
 544   ## Orion machines
 545   orion-orion-bsd* )
 546     machine=orion opsys=bsd4-2
 547   ;;
 548   clipper-orion-bsd* )
 549     machine=orion105 opsys=bsd4-2
 550   ;;
 551
 552   ## IBM machines
 553   i[3456]86-ibm-aix1.1* )
 554     machine=ibmps2-aix opsys=usg5-2-2
 555   ;;
 556   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 557     machine=ibmps2-aix opsys=usg5-3
 558   ;;
 559   i370-ibm-aix*)
 560     machine=ibm370aix opsys=usg5-3
 561   ;;
 562   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 563     machine=ibmrs6000 opsys=aix3-1
 564   ;;
 565   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 566     machine=ibmrs6000 opsys=aix3-2-5
 567   ;;
 568   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 569     machine=ibmrs6000 opsys=aix4-1
 570   ;;
 571   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 572     machine=ibmrs6000 opsys=aix4-2
 573   ;;
 574   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 575     machine=ibmrs6000 opsys=aix4
 576   ;;
 577   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 578     machine=ibmrs6000 opsys=aix4-1
 579   ;;
 580   rs6000-ibm-aix* | powerpc-ibm-aix* )
 581     machine=ibmrs6000 opsys=aix3-2
 582   ;;
 583   romp-ibm-bsd4.3* )
 584     machine=ibmrt opsys=bsd4-3
 585   ;;
 586   romp-ibm-bsd4.2* )
 587     machine=ibmrt opsys=bsd4-2
 588   ;;
 589   romp-ibm-aos4.3* )
 590     machine=ibmrt opsys=bsd4-3
 591   ;;
 592   romp-ibm-aos4.2* )
 593     machine=ibmrt opsys=bsd4-2
 594   ;;
 595   romp-ibm-aos* )
 596     machine=ibmrt opsys=bsd4-3
 597   ;;
 598   romp-ibm-bsd* )
 599     machine=ibmrt opsys=bsd4-3
 600   ;;
 601   romp-ibm-aix* )
 602     machine=ibmrt-aix opsys=usg5-2-2
 603   ;;
 604
 605   ## Integrated Solutions `Optimum V'
 606   m68*-isi-bsd4.2* )
 607     machine=isi-ov opsys=bsd4-2
 608   ;;
 609   m68*-isi-bsd4.3* )
 610     machine=isi-ov opsys=bsd4-3
 611   ;;
 612
 613   ## Intel 386 machines where we do care about the manufacturer
 614   i[3456]86-intsys-sysv* )
 615     machine=is386 opsys=usg5-2-2
 616   ;;
 617
 618   ## Prime EXL
 619   i[3456]86-prime-sysv* )
 620     machine=i386 opsys=usg5-3
 621   ;;
 622
 623   ## Sequent Symmetry running Dynix
 624   i[3456]86-sequent-bsd* )
 625     machine=symmetry opsys=bsd4-3
 626   ;;
 627
 628   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 629   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 630     machine=sequent-ptx opsys=ptx4
 631     NON_GNU_CPP=/lib/cpp
 632   ;;
 633
 634   ## Sequent Symmetry running DYNIX/ptx
 635   ## Use the old cpp rather than the newer ANSI one.
 636   i[3456]86-sequent-ptx* )
 637     machine=sequent-ptx opsys=ptx
 638     NON_GNU_CPP="/lib/cpp"
 639   ;;
 640
 641   ## ncr machine running svr4.3.
 642   i[3456]86-ncr-sysv4.3 )
 643     machine=ncr386 opsys=usg5-4-3
 644   ;;
 645
 646   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 647   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 648   i[3456]86-ncr-sysv* )
 649     machine=ncr386 opsys=usg5-4-2
 650   ;;
 651
 652   ## Intel Paragon OSF/1
 653   i860-intel-osf1* )
 654     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 655   ;;
 656
 657   ## Intel 860
 658   i860-*-sysv4* )
 659     machine=i860 opsys=usg5-4
 660     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 661     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 662   ;;
 663
 664   ## Macintosh PowerPC
 665   powerpc*-*-linux-gnu* )
 666     machine=macppc opsys=gnu-linux
 667   ;;
 668
 669   ## Masscomp machines
 670   m68*-masscomp-rtu* )
 671     machine=masscomp opsys=rtu
 672   ;;
 673
 674   ## Megatest machines
 675   m68*-megatest-bsd* )
 676     machine=mega68 opsys=bsd4-2
 677   ;;
 678
 679   ## Workstations sold by MIPS
 680   ## This is not necessarily all workstations using the MIPS processor -
 681   ## Irises are produced by SGI, and DECstations by DEC.
 682
 683   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 684   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 685   ## it gives for choosing between the alternatives seems to be "Use
 686   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 687   ## the BSD world."  I'll assume that these are instructions for
 688   ## handling two odd situations, and that every other situation
 689   ## should use mips.h and usg5-2-2, they being listed first.
 690   mips-mips-usg* )
 691     machine=mips4
 692     ## Fall through to the general code at the bottom to decide on the OS.
 693   ;;
 694   mips-mips-riscos4* )
 695     machine=mips4 opsys=bsd4-3
 696     NON_GNU_CC="cc -systype bsd43"
 697     NON_GNU_CPP="cc -systype bsd43 -E"
 698   ;;
 699   mips-mips-riscos5* )
 700     machine=mips4 opsys=riscos5
 701     NON_GNU_CC="cc -systype bsd43"
 702     NON_GNU_CPP="cc -systype bsd43 -E"
 703   ;;
 704   mips-mips-bsd* )
 705     machine=mips opsys=bsd4-3
 706   ;;
 707   mips-mips-* )
 708     machine=mips opsys=usg5-2-2
 709   ;;
 710
 711   ## NeXT
 712   m68*-next-* | m68k-*-nextstep* )
 713     machine=m68k opsys=nextstep
 714   ;;
 715
 716   ## The complete machine from National Semiconductor
 717   ns32k-ns-genix* )
 718     machine=ns32000 opsys=usg5-2
 719   ;;
 720
 721   ## NCR machines
 722   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 723     machine=tower32 opsys=usg5-2-2
 724   ;;
 725   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 726     machine=tower32v3 opsys=usg5-3
 727   ;;
 728
 729   ## NEC EWS4800
 730   mips-nec-sysv4*)
 731   machine=ews4800 opsys=ux4800
 732   ;;
 733
 734   ## Nixdorf Targon 31
 735   m68*-nixdorf-sysv* )
 736     machine=targon31 opsys=usg5-2-2
 737   ;;
 738
 739   ## Nu (TI or LMI)
 740   m68*-nu-sysv* )
 741     machine=nu opsys=usg5-2
 742   ;;
 743
 744   ## Plexus
 745   m68*-plexus-sysv* )
 746     machine=plexus opsys=usg5-2
 747   ;;
 748
 749   ## PowerPC reference platform
 750   powerpcle-*-solaris2* )
 751     machine=prep
 752     opsys=sol2-5
 753   ;;
 754
 755   ## Pyramid machines
 756   ## I don't really have any idea what sort of processor the Pyramid has,
 757   ## so I'm assuming it is its own architecture.
 758   pyramid-pyramid-bsd* )
 759     machine=pyramid opsys=bsd4-2
 760   ;;
 761
 762   ## Sequent Balance
 763   ns32k-sequent-bsd4.2* )
 764     machine=sequent opsys=bsd4-2
 765   ;;
 766   ns32k-sequent-bsd4.3* )
 767     machine=sequent opsys=bsd4-3
 768   ;;
 769
 770   ## Siemens Nixdorf
 771   mips-siemens-sysv* | mips-sni-sysv*)
 772     machine=mips-siemens opsys=usg5-4
 773     NON_GNU_CC=/usr/ccs/bin/cc
 774     NON_GNU_CPP=/usr/ccs/lib/cpp
 775   ;;
 776
 777   ## Silicon Graphics machines
 778   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 779   m68*-sgi-iris3.5* )
 780     machine=irist opsys=iris3-5
 781   ;;
 782   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 783     machine=irist opsys=iris3-6
 784   ;;
 785   ## Iris 4D
 786   mips-sgi-irix3* )
 787     machine=iris4d opsys=irix3-3
 788   ;;
 789   mips-sgi-irix4* )
 790     machine=iris4d opsys=irix4-0
 791   ;;
 792   mips-sgi-irix6.5 )
 793     machine=iris4d opsys=irix6-5
 794     # Without defining _LANGUAGE_C, things get masked out in the headers
 795     # so that, for instance, grepping for `free' in stdlib.h fails and
 796     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 797     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 798     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 799   ;;
 800   mips-sgi-irix6* )
 801     machine=iris4d opsys=irix6-0
 802     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 803     # but presumably it does no harm.
 804     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 805     # -32 probably isn't necessary in later v.6s -- anyone know which?
 806     NON_GCC_TEST_OPTIONS=-32
 807   ;;
 808   mips-sgi-irix5.[01]* )
 809     machine=iris4d opsys=irix5-0
 810   ;;
 811   mips-sgi-irix5* | mips-sgi-irix* )
 812     machine=iris4d opsys=irix5-2
 813   ;;
 814
 815   ## SONY machines
 816   m68*-sony-bsd4.2* )
 817     machine=news opsys=bsd4-2
 818   ;;
 819   m68*-sony-bsd4.3* )
 820     machine=news opsys=bsd4-3
 821   ;;
 822   m68*-sony-newsos3* | m68*-sony-news3*)
 823     machine=news opsys=bsd4-3
 824   ;;
 825   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 826     machine=news-risc opsys=bsd4-3
 827   ;;
 828   mips-sony-newsos6* )
 829     machine=news-r6 opsys=newsos6
 830   ;;
 831   mips-sony-news* )
 832     machine=news-risc opsys=newsos5
 833   ;;
 834
 835   ## Stride
 836   m68*-stride-sysv* )
 837     machine=stride opsys=usg5-2
 838   ;;
 839
 840   ## Suns
 841   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 842     machine=sparc opsys=gnu-linux
 843   ;;
 844
 845   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 846     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 847     | rs6000-*-solaris2*)
 848     case "${canonical}" in
 849       m68*-sunos1* )    machine=sun1 ;;
 850       m68*-sunos2* )    machine=sun2 ;;
 851       m68* )            machine=sun3 ;;
 852       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 853       i[3456]86-*-* )     machine=intel386 ;;
 854       powerpcle* )      machine=powerpcle ;;
 855       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 856       sparc* )          machine=sparc ;;
 857       * )               unported=yes ;;
 858     esac
 859     case "${canonical}" in
 860       ## The Sun386 didn't get past 4.0.
 861       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 862       *-sunos4.0*         ) opsys=sunos4-0 ;;
 863       *-sunos4.1.[3-9]*noshare )
 864                 ## This name is sunos413 instead of sunos4-1-3
 865                 ## to avoid a file name conflict on MSDOS.
 866                 opsys=sunos413
 867                 NON_GNU_CPP=/usr/lib/cpp
 868                 NON_GCC_TEST_OPTIONS=-Bstatic
 869                 GCC_TEST_OPTIONS=-static
 870                 ;;
 871       *-sunos4.1.[3-9]* | *-sunos4shr*)
 872                 opsys=sunos4shr
 873                 NON_GNU_CPP=/usr/lib/cpp
 874                 ;;
 875       *-sunos4* | *-sunos )
 876                 opsys=sunos4-1
 877                 NON_GCC_TEST_OPTIONS=-Bstatic
 878                 GCC_TEST_OPTIONS=-static
 879                 ;;
 880       *-sunos5.3* | *-solaris2.3* )
 881                 opsys=sol2-3
 882                 NON_GNU_CPP=/usr/ccs/lib/cpp
 883                 ;;
 884       *-sunos5.4* | *-solaris2.4* )
 885                 opsys=sol2-4
 886                 NON_GNU_CPP=/usr/ccs/lib/cpp
 887                 RANLIB="ar -ts"
 888                 ;;
 889       *-sunos5.5* | *-solaris2.5* )
 890                 opsys=sol2-5
 891                 NON_GNU_CPP=/usr/ccs/lib/cpp
 892                 RANLIB="ar -ts"
 893                 ;;
 894       *-sunos5* | *-solaris* )
 895                 opsys=sol2-5
 896                 NON_GNU_CPP=/usr/ccs/lib/cpp
 897                 ;;
 898       *                   ) opsys=bsd4-2   ;;
 899     esac
 900     ## Watch out for a compiler that we know will not work.
 901     case "${canonical}" in
 902      *-solaris* | *-sunos5* )
 903                 if [ "x$CC" = x/usr/ucb/cc ]; then
 904                   ## /usr/ucb/cc doesn't work;
 905                   ## we should find some other compiler that does work.
 906                   unset CC
 907                 fi
 908                 ;;
 909       *) ;;
 910     esac
 911   ;;
 912   sparc-*-nextstep* )
 913     machine=sparc opsys=nextstep
 914   ;;
 915
 916   ## Tadpole 68k
 917   m68*-tadpole-sysv* )
 918     machine=tad68k opsys=usg5-3
 919   ;;
 920
 921   ## Tahoe machines
 922   tahoe-tahoe-bsd4.2* )
 923     machine=tahoe opsys=bsd4-2
 924   ;;
 925   tahoe-tahoe-bsd4.3* )
 926     machine=tahoe opsys=bsd4-3
 927   ;;
 928
 929   ## Tandem Integrity S2
 930   mips-tandem-sysv* )
 931     machine=tandem-s2 opsys=usg5-3
 932   ;;
 933
 934   ## Tektronix XD88
 935   m88k-tektronix-sysv3* )
 936   machine=tekxd88 opsys=usg5-3
 937   ;;
 938
 939   ## Tektronix 16000 box (6130?)
 940   ns16k-tektronix-bsd* )
 941     machine=ns16000 opsys=bsd4-2
 942   ;;
 943   ## Tektronix 4300
 944   ## src/m/tek4300.h hints that this is a m68k machine.
 945   m68*-tektronix-bsd* )
 946     machine=tek4300 opsys=bsd4-3
 947   ;;
 948
 949   ## Titan P2 or P3
 950   ## We seem to have lost the machine-description file titan.h!
 951   titan-titan-sysv* )
 952     machine=titan opsys=usg5-3
 953   ;;
 954
 955   ## Ustation E30 (SS5E)
 956   m68*-unisys-uniplus* )
 957     machine=ustation opsystem=unipl5-2
 958   ;;
 959
 960   ## Vaxen.
 961   vax-dec-* )
 962     machine=vax
 963     case "${canonical}" in
 964       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 965       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 966       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 967       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 968       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 969       *-vms* )                                          opsys=vms ;;
 970       * )                                               unported=yes
 971     esac
 972   ;;
 973
 974   ## Whitechapel MG1
 975   ns16k-whitechapel-* )
 976     machine=mg1
 977     ## We don't know what sort of OS runs on these; we'll let the
 978     ## operating system guessing code below try.
 979   ;;
 980
 981   ## Wicat
 982   m68*-wicat-sysv* )
 983     machine=wicat opsys=usg5-2
 984   ;;
 985
 986   ## IA-64
 987   ia64*-*-linux* )
 988     machine=ia64 opsys=gnu-linux
 989   ;;
 990
 991   ## Intel 386 machines where we don't care about the manufacturer
 992   i[3456]86-*-* )
 993     machine=intel386
 994     case "${canonical}" in
 995       *-lynxos* )               opsys=lynxos ;;
 996       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 997       *-isc2.2* )               opsys=isc2-2 ;;
 998       *-isc4.0* )               opsys=isc4-0 ;;
 999       *-isc4.* )                opsys=isc4-1
1000                                 GCC_TEST_OPTIONS=-posix
1001                                 NON_GCC_TEST_OPTIONS=-Xp
1002                                 ;;
1003       *-isc* )                  opsys=isc3-0 ;;
1004       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1005       *-esix* )                 opsys=esix ;;
1006       *-xenix* )                opsys=xenix ;;
1007       *-linux-gnu* )            opsys=gnu-linux ;;
1008       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1009       *-sco3.2v5* )             opsys=sco5
1010                                 NON_GNU_CPP=/lib/cpp
1011                                 # Prevent -belf from being passed to $CPP.
1012                                 # /lib/cpp does not accept it.
1013                                 OVERRIDE_CPPFLAGS=" "
1014                                 ;;
1015       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1016       *-386bsd* )               opsys=386bsd ;;
1017       *-freebsd* )              opsys=freebsd ;;
1018       *-nextstep* )             opsys=nextstep ;;
1019       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1020     esac
1021   ;;
1022
1023   ## m68k Linux-based GNU system
1024   m68k-*-linux-gnu* )
1025     machine=m68k opsys=gnu-linux
1026   ;;
1027
1028   ## Mips Linux-based GNU system
1029   mips-*-linux-gnu* )
1030     machine=mips opsys=gnu-linux
1031   ;;
1032
1033   ## UXP/DS
1034   sparc-fujitsu-sysv4* )
1035     machine=sparc opsys=uxpds
1036     NON_GNU_CPP=/usr/ccs/lib/cpp
1037     RANLIB="ar -ts"
1038   ;;
1039
1040   ## UXP/V
1041   f301-fujitsu-uxpv4.1)
1042     machine=f301 opsys=uxpv
1043   ;;
1044
1045   * )
1046     unported=yes
1047   ;;
1048 esac
1049
1050 ### If the code above didn't choose an operating system, just choose
1051 ### an operating system based on the configuration name.  You really
1052 ### only want to use this when you have no idea what the right
1053 ### operating system is; if you know what operating systems a machine
1054 ### runs, it's cleaner to make it explicit in the case statement
1055 ### above.
1056 if test x"${opsys}" = x; then
1057   case "${canonical}" in
1058     *-gnu* )                            opsys=gnu ;;
1059     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1060     *-bsd4.2 )                          opsys=bsd4-2 ;;
1061     *-bsd4.3 )                          opsys=bsd4-3 ;;
1062     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1063     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1064     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1065     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1066     *-sysv4.2uw* )                      opsys=unixware ;;
1067     *-sysv4.1* | *-sysvr4.1* )
1068         NON_GNU_CPP=/usr/lib/cpp
1069         opsys=usg5-4 ;;
1070     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1071         if [ x$NON_GNU_CPP = x ]; then
1072           if [ -f /usr/ccs/lib/cpp ]; then
1073             NON_GNU_CPP=/usr/ccs/lib/cpp
1074           else
1075             NON_GNU_CPP=/lib/cpp
1076           fi
1077         fi
1078         opsys=usg5-4-2 ;;
1079     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1080     * )
1081       unported=yes
1082     ;;
1083   esac
1084 fi
1085
1086 changequote([, ])dnl
1087
1088 if test $unported = yes; then
1089   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1090 Check \`etc/MACHINES' for recognized configuration names.])
1091 fi
1092
1093 machfile="m/${machine}.h"
1094 opsysfile="s/${opsys}.h"
1095
1096
1097 #### Choose a compiler.
1098 test -n "$CC" && cc_specified=yes
1099
1100 # Save the value of CFLAGS that the user specified.
1101 SPECIFIED_CFLAGS="$CFLAGS"
1102
1103 case ${with_gcc} in
1104   "yes" ) CC="gcc" GCC=yes ;;
1105   "no"  ) : ${CC=cc} ;;
1106   * ) AC_PROG_CC
1107 esac
1108
1109 # On Suns, sometimes $CPP names a directory.
1110 if test -n "$CPP" && test -d "$CPP"; then
1111   CPP=
1112 fi
1113
1114 #### Some systems specify a CPP to use unless we are using GCC.
1115 #### Now that we know whether we are using GCC, we can decide whether
1116 #### to use that one.
1117 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1118 then
1119   CPP="$NON_GNU_CPP"
1120 fi
1121
1122 #### Some systems specify a CC to use unless we are using GCC.
1123 #### Now that we know whether we are using GCC, we can decide whether
1124 #### to use that one.
1125 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1126   test x$cc_specified != xyes
1127 then
1128   CC="$NON_GNU_CC"
1129 fi
1130
1131 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1132 then
1133   CC="$CC $GCC_TEST_OPTIONS"
1134 fi
1135
1136 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1137 then
1138   CC="$CC $NON_GCC_TEST_OPTIONS"
1139 fi
1140
1141 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1142 then
1143   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1144 fi
1145
1146 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1147 then
1148   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1149 fi
1150
1151 #### Some other nice autoconf tests.  If you add a test here which
1152 #### should make an entry in src/config.h, don't forget to add an
1153 #### #undef clause to src/config.h.in for autoconf to modify.
1154
1155 dnl checks for programs
1156 AC_PROG_LN_S
1157 AC_PROG_CPP
1158 AC_PROG_INSTALL
1159 AC_PROG_YACC
1160 if test "x$RANLIB" = x; then
1161   AC_PROG_RANLIB
1162 fi
1163
1164 dnl checks for Unix variants
1165 AC_AIX
1166
1167 #### Extract some information from the operating system and machine files.
1168
1169 AC_CHECKING([the machine- and system-dependent files to find out
1170  - which libraries the lib-src programs will want, and
1171  - whether the GNU malloc routines are usable])
1172
1173 ### First figure out CFLAGS (which we use for running the compiler here)
1174 ### and REAL_CFLAGS (which we use for real compilation).
1175 ### The two are the same except on a few systems, where they are made
1176 ### different to work around various lossages.  For example,
1177 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1178 ### as implying static linking.
1179
1180 ### If the CFLAGS env var is specified, we use that value
1181 ### instead of the default.
1182
1183 ### It's not important that this name contain the PID; you can't run
1184 ### two configures in the same directory and have anything work
1185 ### anyway.
1186 tempcname="conftest.c"
1187
1188 echo '
1189 #include "'${srcdir}'/src/'${opsysfile}'"
1190 #include "'${srcdir}'/src/'${machfile}'"
1191 #ifndef LIBS_MACHINE
1192 #define LIBS_MACHINE
1193 #endif
1194 #ifndef LIBS_SYSTEM
1195 #define LIBS_SYSTEM
1196 #endif
1197 #ifndef C_SWITCH_SYSTEM
1198 #define C_SWITCH_SYSTEM
1199 #endif
1200 #ifndef C_SWITCH_MACHINE
1201 #define C_SWITCH_MACHINE
1202 #endif
1203 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1204 configure___ c_switch_system=C_SWITCH_SYSTEM
1205 configure___ c_switch_machine=C_SWITCH_MACHINE
1206
1207 #ifndef LIB_X11_LIB
1208 #define LIB_X11_LIB -lX11
1209 #endif
1210
1211 #ifndef LIBX11_MACHINE
1212 #define LIBX11_MACHINE
1213 #endif
1214
1215 #ifndef LIBX11_SYSTEM
1216 #define LIBX11_SYSTEM
1217 #endif
1218 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1219
1220 #ifdef UNEXEC
1221 configure___ unexec=UNEXEC
1222 #else
1223 configure___ unexec=unexec.o
1224 #endif
1225
1226 #ifdef SYSTEM_MALLOC
1227 configure___ system_malloc=yes
1228 #else
1229 configure___ system_malloc=no
1230 #endif
1231
1232 #ifdef USE_MMAP_FOR_BUFFERS
1233 configure___ use_mmap_for_buffers=yes
1234 #else
1235 configure___ use_mmap_for_buffers=no
1236 #endif
1237
1238 #ifndef C_DEBUG_SWITCH
1239 #define C_DEBUG_SWITCH -g
1240 #endif
1241
1242 #ifndef C_OPTIMIZE_SWITCH
1243 #ifdef __GNUC__
1244 #define C_OPTIMIZE_SWITCH -O2
1245 #else
1246 #define C_OPTIMIZE_SWITCH -O
1247 #endif
1248 #endif
1249
1250 #ifndef LD_SWITCH_MACHINE
1251 #define LD_SWITCH_MACHINE
1252 #endif
1253
1254 #ifndef LD_SWITCH_SYSTEM
1255 #define LD_SWITCH_SYSTEM
1256 #endif
1257
1258 #ifndef LD_SWITCH_X_SITE_AUX
1259 #define LD_SWITCH_X_SITE_AUX
1260 #endif
1261
1262 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1263 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1264
1265 #ifdef THIS_IS_CONFIGURE
1266
1267 /* Get the CFLAGS for tests in configure.  */
1268 #ifdef __GNUC__
1269 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1270 #else
1271 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1272 #endif
1273
1274 #else /* not THIS_IS_CONFIGURE */
1275
1276 /* Get the CFLAGS for real compilation.  */
1277 #ifdef __GNUC__
1278 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1279 #else
1280 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1281 #endif
1282
1283 #endif /* not THIS_IS_CONFIGURE */
1284 ' > ${tempcname}
1285
1286 # The value of CPP is a quoted variable reference, so we need to do this
1287 # to get its actual value...
1288 CPP=`eval "echo $CPP"`
1289 changequote(, )dnl
1290 eval `${CPP} -Isrc ${tempcname} \
1291        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1292 if test "x$SPECIFIED_CFLAGS" = x; then
1293   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1294          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1295 else
1296   REAL_CFLAGS="$CFLAGS"
1297 fi
1298 changequote([, ])dnl
1299 rm ${tempcname}
1300
1301 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1302
1303 ### Make sure subsequent tests use flags consistent with the build flags.
1304
1305 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1306   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1307 else
1308   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1309 fi
1310
1311 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1312 AC_SYS_LARGEFILE
1313
1314 # Sound support for GNU/Linux and the free BSDs.
1315 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1316 # Emulation library used on NetBSD.
1317 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1318 AC_SUBST(LIBSOUND)
1319
1320 dnl checks for header files
1321 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1322   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1323   termcap.h stdio_ext.h fcntl.h term.h strings.h)
1324 AC_HEADER_STDC
1325 AC_HEADER_TIME
1326 AC_DECL_SYS_SIGLIST
1327 AC_HEADER_SYS_WAIT
1328
1329 dnl Some systems have utime.h but don't declare the struct anyplace.
1330 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1331 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1332 #include <sys/time.h>
1333 #include <time.h>
1334 #else
1335 #ifdef HAVE_SYS_TIME_H
1336 #include <sys/time.h>
1337 #else
1338 #include <time.h>
1339 #endif
1340 #endif
1341 #ifdef HAVE_UTIME_H
1342 #include <utime.h>
1343 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1344   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1345 if test $emacs_cv_struct_utimbuf = yes; then
1346   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1347 fi
1348
1349 dnl checks for typedefs
1350 AC_TYPE_SIGNAL
1351
1352 dnl Check for speed_t typedef.
1353 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1354 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1355   emacs_cv_speed_t=yes))
1356 if test $emacs_cv_speed_t = yes; then
1357   AC_DEFINE(HAVE_SPEED_T)
1358 fi
1359
1360 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1361 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1362 #include <sys/time.h>
1363 #include <time.h>
1364 #else
1365 #ifdef HAVE_SYS_TIME_H
1366 #include <sys/time.h>
1367 #else
1368 #include <time.h>
1369 #endif
1370 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1371   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1372 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1373 if test $emacs_cv_struct_timeval = yes; then
1374   AC_DEFINE(HAVE_TIMEVAL)
1375 fi
1376
1377 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1378 AC_TRY_COMPILE([#include <math.h>],
1379 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1380   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1381 HAVE_EXCEPTION=$emacs_cv_struct_exception
1382 if test $emacs_cv_struct_exception != yes; then
1383   AC_DEFINE(NO_MATHERR)
1384 fi
1385
1386 dnl checks for structure members
1387 AC_STRUCT_TM
1388 AC_STRUCT_TIMEZONE
1389 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1390 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1391   emacs_cv_tm_gmtoff=yes,
1392   emacs_cv_tm_gmtoff=no))
1393 if test $emacs_cv_tm_gmtoff = yes; then
1394   AC_DEFINE(HAVE_TM_GMTOFF)
1395 fi
1396
1397 dnl checks for compiler characteristics
1398
1399 dnl Testing __STDC__ to determine prototype support isn't good enough.
1400 dnl DEC C, for instance, doesn't define it with default options, and
1401 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1402 dnl and void *.
1403 AC_C_PROTOTYPES
1404 AC_C_VOLATILE
1405 AC_C_CONST
1406 dnl This isn't useful because we can't turn on use of `inline' unless
1407 dnl the compiler groks `extern inline'.
1408 dnl AC_C_INLINE
1409 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1410   [AC_TRY_COMPILE(, [void * foo;],
1411                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1412 if test $emacs_cv_void_star = yes; then
1413   AC_DEFINE(POINTER_TYPE, void)
1414 else
1415   AC_DEFINE(POINTER_TYPE, char)
1416 fi
1417
1418 dnl check for Make feature
1419 AC_PROG_MAKE_SET
1420
1421 dnl checks for operating system services
1422 AC_SYS_LONG_FILE_NAMES
1423
1424 #### Choose a window system.
1425
1426 AC_PATH_X
1427 if test "$no_x" = yes; then
1428   window_system=none
1429 else
1430   window_system=x11
1431 fi
1432
1433 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1434   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1435   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1436   x_default_search_path=""
1437   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1438     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1439 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1440 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1441 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1442     if test x"${x_default_search_path}" = x; then
1443       x_default_search_path=${x_search_path}
1444     else
1445       x_default_search_path="${x_search_path}:${x_default_search_path}"
1446     fi
1447   done
1448 fi
1449 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1450   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1451 fi
1452
1453 if test x"${x_includes}" = x; then
1454   bitmapdir=/usr/include/X11/bitmaps
1455 else
1456   # accumulate include directories that have X11 bitmap subdirectories
1457   bmd_acc="dummyval"
1458   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1459     if test -d "${bmd}/X11/bitmaps"; then
1460       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1461     fi
1462     if test -d "${bmd}/bitmaps"; then
1463       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1464     fi
1465   done
1466   if test ${bmd_acc} != "dummyval"; then
1467     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1468   fi
1469 fi
1470
1471 case "${window_system}" in
1472   x11 )
1473     HAVE_X_WINDOWS=yes
1474     HAVE_X11=yes
1475     case "${with_x_toolkit}" in
1476       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1477       motif ) USE_X_TOOLKIT=MOTIF ;;
1478 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1479       no ) USE_X_TOOLKIT=none ;;
1480 dnl If user did not say whether to use a toolkit,
1481 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1482       * ) USE_X_TOOLKIT=maybe ;;
1483     esac
1484   ;;
1485   none )
1486     HAVE_X_WINDOWS=no
1487     HAVE_X11=no
1488     USE_X_TOOLKIT=none
1489   ;;
1490 esac
1491
1492 ### If we're using X11, we should use the X menu package.
1493 HAVE_MENUS=no
1494 case ${HAVE_X11} in
1495   yes ) HAVE_MENUS=yes ;;
1496 esac
1497
1498 if test "${opsys}" = "hpux9"; then
1499   case "${x_libraries}" in
1500     *X11R4* )
1501       opsysfile="s/hpux9-x11r4.h"
1502       ;;
1503   esac
1504 fi
1505
1506 if test "${opsys}" = "hpux9shr"; then
1507   case "${x_libraries}" in
1508     *X11R4* )
1509       opsysfile="s/hpux9shxr4.h"
1510       ;;
1511   esac
1512 fi
1513
1514 ### Compute the unexec source name from the object name.
1515 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1516
1517 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1518 # Assume not, until told otherwise.
1519 GNU_MALLOC=yes
1520 doug_lea_malloc=yes
1521 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1522 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1523 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1524                emacs_cv_var___after_morecore_hook,
1525 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1526   emacs_cv_var___after_morecore_hook=yes,
1527   emacs_cv_var___after_morecore_hook=no))
1528 if test $emacs_cv_var___after_morecore_hook = no; then
1529   doug_lea_malloc=no
1530 fi
1531 if test "${system_malloc}" = "yes"; then
1532   GNU_MALLOC=no
1533   GNU_MALLOC_reason="
1534     (The GNU allocators don't work with this system configuration.)"
1535 fi
1536 if test "$doug_lea_malloc" = "yes" ; then
1537   if test "$GNU_MALLOC" = yes ; then
1538     GNU_MALLOC_reason="
1539       (Using Doug Lea's new malloc from the GNU C Library.)"
1540   fi
1541   AC_DEFINE(DOUG_LEA_MALLOC)
1542 fi
1543
1544 if test x"${REL_ALLOC}" = x; then
1545   REL_ALLOC=${GNU_MALLOC}
1546 fi
1547
1548 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1549 dnl the system configuration file (s/*.h) to turn the use of mmap
1550 dnl in the relocating allocator on.
1551
1552 AC_FUNC_MMAP
1553 if test $use_mmap_for_buffers = yes; then
1554   REL_ALLOC=no
1555 fi
1556
1557 LIBS="$libsrc_libs $LIBS"
1558
1559 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1560 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1561 AC_CHECK_LIB(dnet, dnet_ntoa)
1562 dnl This causes -lresolv to get used in subsequent tests,
1563 dnl which causes failures on some systems such as HPUX 9.
1564 dnl AC_CHECK_LIB(resolv, gethostbyname)
1565
1566 dnl FIXME replace main with a function we actually want from this library.
1567 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1568
1569 AC_CHECK_LIB(pthreads, cma_open)
1570
1571 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1572 if test -d /usr/X386/include; then
1573   HAVE_XFREE386=yes
1574   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1575 else
1576   HAVE_XFREE386=no
1577 fi
1578 AC_MSG_RESULT($HAVE_XFREE386)
1579
1580 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1581 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1582
1583 REAL_CPPFLAGS="$CPPFLAGS"
1584
1585 if test "${HAVE_X11}" = "yes"; then
1586   DEFS="$C_SWITCH_X_SITE $DEFS"
1587   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1588   LIBS="$LIBX $LIBS"
1589   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1590   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1591
1592   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1593   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1594   # but it's more convenient here to set LD_RUN_PATH
1595   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1596   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1597     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1598     export LD_RUN_PATH
1599   fi
1600
1601   if test "${opsys}" = "gnu-linux"; then
1602     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1603     AC_TRY_LINK([],
1604      [XOpenDisplay ("foo");],
1605      [xlinux_first_failure=no],
1606      [xlinux_first_failure=yes])
1607     if test "${xlinux_first_failure}" = "yes"; then
1608       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1609       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1610       OLD_CPPFLAGS="$CPPFLAGS"
1611       OLD_LIBS="$LIBS"
1612       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1613       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1614       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1615       LIBS="$LIBS -b i486-linuxaout"
1616       AC_TRY_LINK([],
1617        [XOpenDisplay ("foo");],
1618        [xlinux_second_failure=no],
1619        [xlinux_second_failure=yes])
1620       if test "${xlinux_second_failure}" = "yes"; then
1621         # If we get the same failure with -b, there is no use adding -b.
1622         # So take it out.  This plays safe.
1623         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1624         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1625         CPPFLAGS="$OLD_CPPFLAGS"
1626         LIBS="$OLD_LIBS"
1627         AC_MSG_RESULT(no)
1628       else
1629         AC_MSG_RESULT(yes)
1630       fi
1631     else
1632       AC_MSG_RESULT(no)
1633     fi
1634   fi
1635
1636   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1637   # header files included from there.
1638   AC_MSG_CHECKING(for Xkb)
1639   AC_TRY_LINK([#include <X11/Xlib.h>
1640 #include <X11/XKBlib.h>],
1641         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1642         emacs_xkb=yes, emacs_xkb=no)
1643   AC_MSG_RESULT($emacs_xkb)
1644   if test $emacs_xkb = yes; then
1645     AC_DEFINE(HAVE_XKBGETKEYBOARD)
1646   fi
1647
1648   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1649 XScreenNumberOfScreen XSetWMProtocols)
1650 fi
1651
1652 if test "${window_system}" = "x11"; then
1653   AC_MSG_CHECKING(X11 version 6)
1654   AC_CACHE_VAL(emacs_cv_x11_version_6,
1655   AC_TRY_LINK([#include <X11/Xlib.h>],
1656 [#if XlibSpecificationRelease < 6
1657 fail;
1658 #endif
1659 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1660   if test $emacs_cv_x11_version_6 = yes; then
1661     AC_MSG_RESULT(6 or newer)
1662     AC_DEFINE(HAVE_X11R6)
1663   else
1664     AC_MSG_RESULT(before 6)
1665   fi
1666 fi
1667
1668 if test "${window_system}" = "x11"; then
1669   AC_MSG_CHECKING(X11 version 5)
1670   AC_CACHE_VAL(emacs_cv_x11_version_5,
1671   AC_TRY_LINK([#include <X11/Xlib.h>],
1672 [#if XlibSpecificationRelease < 5
1673 fail;
1674 #endif
1675 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1676   if test $emacs_cv_x11_version_5 = yes; then
1677     AC_MSG_RESULT(5 or newer)
1678     HAVE_X11R5=yes
1679     AC_DEFINE(HAVE_X11R5)
1680   else
1681     HAVE_X11R5=no
1682     AC_MSG_RESULT(before 5)
1683   fi
1684 fi
1685
1686 dnl Do not put whitespace before the #include statements below.
1687 dnl Older compilers (eg sunos4 cc) choke on it.
1688 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1689   if test x"${HAVE_X11R5}" = xyes; then
1690     AC_MSG_CHECKING(X11 version 5 with Xaw)
1691     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1692     AC_TRY_LINK([
1693 #include <X11/Intrinsic.h>
1694 #include <X11/Xaw/Simple.h>],
1695       [],
1696       emacs_cv_x11_version_5_with_xaw=yes,
1697       emacs_cv_x11_version_5_with_xaw=no))
1698     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1699       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1700       USE_X_TOOLKIT=LUCID
1701     else
1702       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1703       USE_X_TOOLKIT=none
1704     fi
1705   else
1706     USE_X_TOOLKIT=none
1707   fi
1708 fi
1709
1710 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1711
1712 if test "${USE_X_TOOLKIT}" != "none"; then
1713   AC_MSG_CHECKING(X11 toolkit version)
1714   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1715   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1716 [#if XtSpecificationRelease < 6
1717 fail;
1718 #endif
1719 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1720   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1721   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1722     AC_MSG_RESULT(6 or newer)
1723     AC_DEFINE(HAVE_X11XTR6)
1724   else
1725     AC_MSG_RESULT(before 6)
1726   fi
1727
1728 dnl If using toolkit, check whether libXmu.a exists.
1729 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1730   OLDLIBS="$LIBS"
1731   if test x$HAVE_X11XTR6 = xyes; then
1732     LIBS="-lXt -lSM -lICE $LIBS"
1733   else
1734     LIBS="-lXt $LIBS"
1735   fi
1736   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1737   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1738 fi
1739
1740 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1741 if test "${HAVE_X11}" = "yes"; then
1742   if test "${USE_X_TOOLKIT}" != "none"; then
1743     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1744   fi
1745 fi
1746
1747 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1748   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1749   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1750     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1751 int x = 5;
1752 #else
1753 Motif version prior to 2.1.
1754 #endif],
1755     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1756   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1757   if test $emacs_cv_motif_version_2_1 = yes; then
1758     HAVE_LIBXP=no
1759     AC_DEFINE(HAVE_MOTIF_2_1)
1760     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1761     if test ${HAVE_LIBXP} = yes; then
1762       AC_DEFINE(HAVE_LIBXP)
1763     fi
1764   fi
1765 fi
1766
1767 ### Is -lXaw3d available?
1768 HAVE_XAW3D=no
1769 if test "${HAVE_X11}" = "yes"; then
1770   if test "${USE_X_TOOLKIT}" != "none"; then
1771     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1772         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes))
1773     if test "${HAVE_XAW3D}" = "yes"; then
1774         AC_DEFINE(HAVE_XAW3D)
1775     fi
1776   fi
1777 fi
1778
1779 dnl Use toolkit scroll bars if configured for X toolkit and either
1780 dnl using Motif or Xaw3d is available, and unless
1781 dnl --with-toolkit-scroll-bars=no was specified.
1782
1783 USE_TOOLKIT_SCROLL_BARS=no
1784 if test "${with_toolkit_scroll_bars}" != "no"; then
1785   if test "${USE_X_TOOLKIT}" != "none"; then
1786     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1787       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1788       HAVE_XAW3D=no
1789       USE_TOOLKIT_SCROLL_BARS=yes
1790     elif test "${HAVE_XAW3D}" = "yes"; then
1791       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1792       USE_TOOLKIT_SCROLL_BARS=yes
1793     fi
1794   fi
1795 fi
1796
1797 dnl Don't use X11 input methods if user specifies he doesn't want it
1798 dnl with `--with-xim=no'.
1799
1800 if test "${with_xim}" != "no"; then
1801   AC_DEFINE(USE_XIM)
1802 fi
1803
1804 ### Use -lXpm if available, unless `--with-xpm=no'.
1805 HAVE_XPM=no
1806 if test "${HAVE_X11}" = "yes"; then
1807   if test "${with_xpm}" != "no"; then
1808     AC_CHECK_HEADER(X11/xpm.h,
1809       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1810     if test "${HAVE_XPM}" = "yes"; then
1811        AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1812        AC_EGREP_CPP(no_return_alloc_pixels,
1813        [#include "X11/xpm.h"
1814 #ifndef XpmReturnAllocPixels
1815 no_return_alloc_pixels
1816 #endif
1817         ], HAVE_XPM=no, HAVE_XPM=yes)
1818     fi
1819     if test "${HAVE_XPM}" = "yes"; then
1820        AC_MSG_RESULT(yes)
1821     else
1822        AC_MSG_RESULT(no)
1823     fi
1824   fi
1825
1826   if test "${HAVE_XPM}" = "yes"; then
1827     AC_DEFINE(HAVE_XPM)
1828   fi
1829 fi
1830
1831 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1832 HAVE_JPEG=no
1833 if test "${HAVE_X11}" = "yes"; then
1834   if test "${with_jpeg}" != "no"; then
1835     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1836     dnl  HAVE_STDLIB_H.
1837     AC_CHECK_HEADER(jerror.h,
1838       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
1839   fi
1840
1841   if test "${HAVE_JPEG}" = "yes"; then
1842     AC_DEFINE(HAVE_JPEG)
1843   fi
1844 fi
1845
1846 ### Use -lpng if available, unless `--with-png=no'.
1847 HAVE_PNG=no
1848 if test "${HAVE_X11}" = "yes"; then
1849   if test "${with_png}" != "no"; then
1850     AC_CHECK_HEADER(png.h,
1851       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm))
1852   fi
1853
1854   if test "${HAVE_PNG}" = "yes"; then
1855     AC_DEFINE(HAVE_PNG)
1856   fi
1857 fi
1858
1859 ### Use -ltiff if available, unless `--with-tiff=no'.
1860 HAVE_TIFF=no
1861 if test "${HAVE_X11}" = "yes"; then
1862   if test "${with_tiff}" != "no"; then
1863     AC_CHECK_HEADER(tiffio.h,
1864       tifflibs="-lz -lm"
1865       # At least one tiff package requires the jpeg library.
1866       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1867       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1868   fi
1869
1870   if test "${HAVE_TIFF}" = "yes"; then
1871     AC_DEFINE(HAVE_TIFF)
1872   fi
1873 fi
1874
1875 ### Use -lgif if available, unless `--with-gif=no'.
1876 HAVE_GIF=no
1877 if test "${HAVE_X11}" = "yes"; then
1878   if test "${with_gif}" != "no"; then
1879     AC_CHECK_HEADER(gif_lib.h,
1880       AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes))
1881   fi
1882
1883   if test "${HAVE_GIF}" = "yes"; then
1884     AC_DEFINE(HAVE_GIF)
1885   fi
1886 fi
1887
1888 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1889 AC_CACHE_CHECK(whether netdb declares h_errno,
1890                emacs_cv_netdb_declares_h_errno,
1891 AC_TRY_LINK([#include <netdb.h>],
1892   [return h_errno;],
1893   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1894 if test $emacs_cv_netdb_declares_h_errno = yes; then
1895   AC_DEFINE(HAVE_H_ERRNO)
1896 fi
1897
1898 AC_FUNC_ALLOCA
1899
1900 # fmod, logb, and frexp are found in -lm on most systems.
1901 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1902 AC_CHECK_LIB(m, sqrt)
1903
1904 # Check for mail-locking functions in a "mail" library
1905 AC_CHECK_LIB(mail, maillock)
1906 dnl Debian, at least:
1907 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1908 AC_CHECK_LIB(lockfile, maillock)
1909 # If we have the shared liblockfile, assume we must use it for mail
1910 # locking (e.g. Debian).  If we couldn't link against liblockfile
1911 # (no liblockfile.a installed), ensure that we don't need to.
1912 if test "$ac_cv_lib_lockfile_maillock" = no; then
1913   dnl This works for files generally, not just executables.
1914   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1915   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1916                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1917   if test $ac_cv_prog_liblockfile = yes; then
1918     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1919 This probably means that movemail could lose mail.
1920 There may be a \`development' package to install containing liblockfile.])
1921   else AC_DEFINE(LIBMAIL, -llockfile)
1922   fi
1923   else :
1924 fi
1925 AC_CHECK_FUNCS(touchlock)
1926 AC_CHECK_HEADERS(maillock.h)
1927
1928 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1929 rename closedir mkdir rmdir sysinfo \
1930 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1931 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1932 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1933 __fpending mblen mbrlen strsignal setitimer ualarm index rindex \
1934 gai_strerror mkstemp)
1935
1936 AC_FUNC_MKTIME
1937 if test "$ac_cv_func_working_mktime" = no; then
1938   AC_DEFINE(BROKEN_MKTIME)
1939 fi
1940
1941 AC_FUNC_GETLOADAVG
1942
1943 AC_FUNC_FSEEKO
1944
1945 # UNIX98 PTYs.
1946 AC_CHECK_FUNCS(grantpt)
1947
1948 # PTY-related GNU extensions.
1949 AC_CHECK_FUNCS(getpt)
1950
1951 # Check this now, so that we will NOT find the above functions in ncurses.
1952 # That is because we have not set up to link ncurses in lib-src.
1953 # It's better to believe a function is not available
1954 # than to expect to find it in ncurses.
1955 AC_CHECK_LIB(ncurses, tparm)
1956
1957 # These tell us which Kerberos-related libraries to use.
1958 if test "${with_kerberos+set}" = set; then
1959   AC_CHECK_LIB(com_err, com_err)
1960   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1961   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1962   AC_CHECK_LIB(krb5, krb5_init_context)
1963   if test "${with_kerberos5+set}" != set; then
1964     AC_CHECK_LIB(des425, des_cbc_encrypt,,
1965                  AC_CHECK_LIB(des, des_cbc_encrypt))
1966     AC_CHECK_LIB(krb4, krb_get_cred,,
1967                  AC_CHECK_LIB(krb, krb_get_cred))
1968   fi
1969
1970   if test "${with_kerberos5+set}" = set; then
1971     AC_CHECK_HEADERS(krb5.h)
1972   else
1973     AC_CHECK_HEADERS(des.h,,
1974                      AC_CHECK_HEADERS(kerberosIV/des.h,,
1975                                       AC_CHECK_HEADERS(kerberos/des.h)))
1976     AC_CHECK_HEADERS(krb.h,,
1977                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
1978                                       AC_CHECK_HEADERS(kerberos/krb.h)))
1979   fi
1980   AC_CHECK_HEADERS(com_err.h)
1981 fi
1982
1983 # Solaris requires -lintl if you want strerror (which calls dgettext)
1984 # to return localized messages.
1985 AC_CHECK_LIB(intl, dgettext)
1986
1987 AC_MSG_CHECKING(whether localtime caches TZ)
1988 AC_CACHE_VAL(emacs_cv_localtime_cache,
1989 [if test x$ac_cv_func_tzset = xyes; then
1990 AC_TRY_RUN([#include <time.h>
1991 extern char **environ;
1992 unset_TZ ()
1993 {
1994   char **from, **to;
1995   for (to = from = environ; (*to = *from); from++)
1996     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1997       to++;
1998 }
1999 char TZ_GMT0[] = "TZ=GMT0";
2000 char TZ_PST8[] = "TZ=PST8";
2001 main()
2002 {
2003   time_t now = time ((time_t *) 0);
2004   int hour_GMT0, hour_unset;
2005   if (putenv (TZ_GMT0) != 0)
2006     exit (1);
2007   hour_GMT0 = localtime (&now)->tm_hour;
2008   unset_TZ ();
2009   hour_unset = localtime (&now)->tm_hour;
2010   if (putenv (TZ_PST8) != 0)
2011     exit (1);
2012   if (localtime (&now)->tm_hour == hour_GMT0)
2013     exit (1);
2014   unset_TZ ();
2015   if (localtime (&now)->tm_hour != hour_unset)
2016     exit (1);
2017   exit (0);
2018 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2019 [# If we have tzset, assume the worst when cross-compiling.
2020 emacs_cv_localtime_cache=yes])
2021 else
2022         # If we lack tzset, report that localtime does not cache TZ,
2023         # since we can't invalidate the cache if we don't have tzset.
2024         emacs_cv_localtime_cache=no
2025 fi])dnl
2026 AC_MSG_RESULT($emacs_cv_localtime_cache)
2027 if test $emacs_cv_localtime_cache = yes; then
2028   AC_DEFINE(LOCALTIME_CACHE)
2029 fi
2030
2031 if test "x$HAVE_TIMEVAL" = xyes; then
2032   AC_CHECK_FUNCS(gettimeofday)
2033   AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2034                  emacs_cv_gettimeofday_two_arguments,
2035   AC_TRY_COMPILE([
2036 #ifdef TIME_WITH_SYS_TIME
2037 #include <sys/time.h>
2038 #include <time.h>
2039 #else
2040 #ifdef HAVE_SYS_TIME_H
2041 #include <sys/time.h>
2042 #else
2043 #include <time.h>
2044 #endif
2045 #endif],
2046     [struct timeval time;
2047      gettimeofday (&time, 0);],
2048     emacs_cv_gettimeofday_two_arguments=yes,
2049     emacs_cv_gettimeofday_two_arguments=no))
2050   if test $emacs_cv_gettimeofday_two_arguments = no; then
2051     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2052   fi
2053 fi
2054
2055 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2056 if test "$ac_cv_func_gettimeofday" = yes; then
2057   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2058     [AC_TRY_COMPILE([#include <sys/time.h>],
2059     [struct timezone tz;],
2060     dnl It may be that we can't call gettimeofday with a non-null pointer,
2061     dnl even though we have struct timezone (e.g. HPUX).  In that case
2062     dnl we'll lie about struct timezone.
2063     [AC_TRY_RUN([
2064 #ifdef TIME_WITH_SYS_TIME
2065 #include <sys/time.h>
2066 #include <time.h>
2067 #else
2068 #ifdef HAVE_SYS_TIME_H
2069 #include <sys/time.h>
2070 #else
2071 #include <time.h>
2072 #endif
2073 #endif
2074 main () {
2075   struct timeval time;
2076   struct timezone dummy;
2077   exit (gettimeofday (&time, &dummy));
2078 }],
2079       emacs_cv_struct_timezone=yes,
2080       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2081     emacs_cv_struct_timezone=no)])
2082 fi
2083
2084 ok_so_far=yes
2085 AC_CHECK_FUNC(socket, , ok_so_far=no)
2086 if test $ok_so_far = yes; then
2087   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2088 fi
2089 if test $ok_so_far = yes; then
2090   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2091 fi
2092 if test $ok_so_far = yes; then
2093   AC_DEFINE(HAVE_INET_SOCKETS)
2094 fi
2095
2096 if test -f /usr/lpp/X11/bin/smt.exp; then
2097   AC_DEFINE(HAVE_AIX_SMT_EXP)
2098 fi
2099
2100 AC_MSG_CHECKING(whether system supports dynamic ptys)
2101 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2102   AC_MSG_RESULT(yes)
2103   AC_DEFINE(HAVE_DEV_PTMX)
2104 else
2105   AC_MSG_RESULT(no)
2106 fi
2107
2108 AC_FUNC_VFORK
2109
2110 # Fixme: This should be replaced when we have autoconf 2.14.
2111 AC_SIZE_T
2112
2113 # Set up the CFLAGS for real compilation, so we can substitute it.
2114 CFLAGS="$REAL_CFLAGS"
2115 CPPFLAGS="$REAL_CPPFLAGS"
2116
2117 changequote(, )dnl
2118 #### Find out which version of Emacs this is.
2119 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
2120          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2121 changequote([, ])dnl
2122 if test x"${version}" = x; then
2123   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2124 fi
2125
2126 ### Specify what sort of things we'll be editing into Makefile and config.h.
2127 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2128 AC_SUBST(version)
2129 AC_SUBST(configuration)
2130 AC_SUBST(canonical)
2131 AC_SUBST(srcdir)
2132 AC_SUBST(prefix)
2133 AC_SUBST(exec_prefix)
2134 AC_SUBST(bindir)
2135 AC_SUBST(datadir)
2136 AC_SUBST(sharedstatedir)
2137 AC_SUBST(libexecdir)
2138 AC_SUBST(mandir)
2139 AC_SUBST(infodir)
2140 AC_SUBST(lispdir)
2141 AC_SUBST(locallisppath)
2142 AC_SUBST(lisppath)
2143 AC_SUBST(x_default_search_path)
2144 AC_SUBST(etcdir)
2145 AC_SUBST(archlibdir)
2146 AC_SUBST(docdir)
2147 AC_SUBST(bitmapdir)
2148 AC_SUBST(c_switch_system)
2149 AC_SUBST(c_switch_machine)
2150 AC_SUBST(LD_SWITCH_X_SITE)
2151 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2152 AC_SUBST(C_SWITCH_X_SITE)
2153 AC_SUBST(CFLAGS)
2154 AC_SUBST(X_TOOLKIT_TYPE)
2155 AC_SUBST(machfile)
2156 AC_SUBST(opsysfile)
2157 AC_SUBST(GETLOADAVG_LIBS)
2158
2159 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2160 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2161 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2162 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2163 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2164 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2165 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2166 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2167
2168 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2169   AC_DEFINE(HAVE_X_WINDOWS)
2170 fi
2171 if test "${USE_X_TOOLKIT}" != "none" ; then
2172   AC_DEFINE(USE_X_TOOLKIT)
2173 fi
2174 if test "${HAVE_X11}" = "yes" ; then
2175   AC_DEFINE(HAVE_X11)
2176 fi
2177 if test "${HAVE_XFREE386}" = "yes" ; then
2178   AC_DEFINE(HAVE_XFREE386)
2179 fi
2180 if test "${HAVE_MENUS}" = "yes" ; then
2181   AC_DEFINE(HAVE_MENUS)
2182 fi
2183 if test "${GNU_MALLOC}" = "yes" ; then
2184   AC_DEFINE(GNU_MALLOC)
2185 fi
2186 if test "${REL_ALLOC}" = "yes" ; then
2187   AC_DEFINE(REL_ALLOC)
2188 fi
2189
2190 #### Report on what we decided to do.
2191 echo "
2192 Configured for \`${canonical}'.
2193
2194   Where should the build process find the source code?    ${srcdir}
2195   What operating system and machine description files should Emacs use?
2196         \`${opsysfile}' and \`${machfile}'
2197   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2198   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2199   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2200   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
2201   What window system should Emacs use?                    ${window_system}
2202   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2203
2204 if test -n "${x_includes}"; then
2205 echo "  Where do we find X Windows header files?                ${x_includes}"
2206 else
2207 echo "  Where do we find X Windows header files?                Standard dirs"
2208 fi
2209 if test -n "${x_libraries}"; then
2210 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2211 else
2212 echo "  Where do we find X Windows libraries?                   Standard dirs"
2213 fi
2214
2215 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2216 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2217 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2218 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2219 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2220 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2221 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2222 echo
2223
2224 # Remove any trailing slashes in these variables.
2225 changequote(, )dnl
2226 test "${prefix}" != NONE &&
2227   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2228 test "${exec_prefix}" != NONE &&
2229   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2230 changequote([, ])dnl
2231
2232 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2233         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2234         lisp/Makefile leim/Makefile, [
2235
2236 ### Make the necessary directories, if they don't exist.
2237 for dir in etc lisp ; do
2238   test -d ${dir} || mkdir ${dir}
2239 done
2240
2241 # Build src/Makefile from ${srcdir}/src/Makefile.c
2242 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2243 # This must be done after src/config.h is built, since we rely on that file.
2244
2245 changequote(, )dnl The horror, the horror.
2246 # Now get this: Some word that is part of the ${srcdir} directory name
2247 # or the ${configuration} value might, just might, happen to be an
2248 # identifier like `sun4' or `i386' or something, and be predefined by
2249 # the C preprocessor to some helpful value like 1, or maybe the empty
2250 # string.  Needless to say consequent macro substitutions are less
2251 # than conducive to the makefile finding the correct directory.
2252 undefs="`echo $top_srcdir $configuration $canonical |
2253 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2254     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2255 `"
2256 changequote([, ])dnl
2257
2258 echo creating src/epaths.h
2259 make epaths-force
2260
2261 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2262 # `..' to `. .'  unless invoked with -traditional
2263
2264 if test "x$GCC" = xyes && test "x$NON_GNU_CPP" = x; then
2265   CPPFLAGS="$CPPFLAGS -traditional"
2266 fi
2267
2268 echo creating lib-src/Makefile
2269 ( cd lib-src
2270   rm -f junk.c junk1.c junk2.c
2271   sed -e '/start of cpp stuff/q' \
2272       < Makefile.c > junk1.c
2273   sed -e '1,/start of cpp stuff/d'\
2274       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2275       < Makefile.c > junk.c
2276   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2277       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2278   cat junk1.c junk2.c > Makefile.new
2279   rm -f junk.c junk1.c junk2.c
2280   chmod 444 Makefile.new
2281   mv -f Makefile.new Makefile
2282 )
2283
2284 echo creating src/Makefile
2285 ( cd src
2286   rm -f junk.c junk1.c junk2.c
2287   sed -e '/start of cpp stuff/q' \
2288       < Makefile.c > junk1.c
2289   sed -e '1,/start of cpp stuff/d'\
2290       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2291       < Makefile.c > junk.c
2292   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2293       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2294   cat junk1.c junk2.c > Makefile.new
2295   rm -f junk.c junk1.c junk2.c
2296   chmod 444 Makefile.new
2297   mv -f Makefile.new Makefile
2298 )
2299
2300 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2301   echo creating src/.gdbinit
2302   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2303 fi
2304
2305 # This is how we know whether to re-run configure in certain cases.
2306 touch src/config.stamp
2307
2308 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
2309