configure.in

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