code.delx.au - gnu-emacs/blob - 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 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 [  --with-gcc              use GCC to compile Emacs])
  39 AC_ARG_WITH(pop,
  40 [  --with-pop              support POP for mail retrieval],
  41 [AC_DEFINE(MAIL_USE_POP)])
  42 AC_ARG_WITH(hesiod,
  43 [  --with-hesiod           support Hesiod to get the POP server host],
  44 [AC_DEFINE(HESIOD)])
  45 dnl This should be the last --with option, because --with-x is
  46 dnl added later on when we find the path of X, and it's best to
  47 dnl keep them together visually.
  48 AC_ARG_WITH(x-toolkit,
  49 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  50 [         case "${withval}" in
  51             y | ye | yes )      val=athena ;;
  52             n | no )            val=no  ;;
  53             l | lu | luc | luci | lucid )       val=lucid ;;
  54             a | at | ath | athe | athen | athena )      val=athena ;;
  55             m | mo | mot | moti | motif )       val=motif ;;
  56 dnl These don't currently work.
  57 dnl         o | op | ope | open | open- | open-l | open-lo \
  58 dnl             | open-loo | open-look )        val=open-look ;;
  59             * )
  60 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  61 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  62 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  63 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  64 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  65             ;;
  66           esac
  67           with_x_toolkit=$val
  68 ])
  69 AC_ARG_WITH(xpm,
  70 [  --with-xpm              use -lXpm for displaying XPM images])
  71 AC_ARG_WITH(jpeg,
  72 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  73 AC_ARG_WITH(tiff,
  74 [  --with-tiff             use -ltiff34 for displaying TIFF images])
  75 AC_ARG_WITH(gif,
  76 [  --with-gif              use -lungif for displaying GIF images])
  77 AC_ARG_WITH(png,
  78 [  --with-png              use -lpng for displaying PNG images])
  79 AC_ARG_WITH(sound,
  80 [  --with-sound            native sound support for GNU/Linux and free BSDs])
  81
  82 #### Make srcdir absolute, if it isn't already.  It's important to
  83 #### avoid running the path through pwd unnecessary, since pwd can
  84 #### give you automounter prefixes, which can go away.  We do all this
  85 #### so Emacs can find its files when run uninstalled.
  86 case "${srcdir}" in
  87   /* ) ;;
  88   . )
  89     ## We may be able to use the $PWD environment variable to make this
  90     ## absolute.  But sometimes PWD is inaccurate.
  91     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  92     unset CDPATH
  93     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  94     then
  95       srcdir="$PWD"
  96     else
  97       srcdir="`(cd ${srcdir}; pwd)`"
  98     fi
  99   ;;
 100   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 101 esac
 102
 103 #### Check if the source directory already has a configured system in it.
 104 if test `pwd` != `(cd ${srcdir} && pwd)` \
 105    && test -f "${srcdir}/src/config.h" ; then
 106   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 107    as a build directory right now; it has been configured in its own
 108    right.  To configure in another directory as well, you MUST
 109    use GNU make.  If you do not have GNU make, then you must
 110    now do \`make distclean' in ${srcdir},
 111    and then run $0 again.])
 112
 113 changequote(, )dnl
 114   extrasub='/^VPATH[     ]*=/c\
 115 changequote([, ])dnl
 116 vpath %.c $(srcdir)\
 117 vpath %.h $(srcdir)\
 118 vpath %.y $(srcdir)\
 119 vpath %.l $(srcdir)\
 120 vpath %.s $(srcdir)\
 121 vpath %.in $(srcdir)\
 122 vpath %.texi $(srcdir)'
 123 fi
 124
 125 #### Given the configuration name, set machfile and opsysfile to the
 126 #### names of the m/*.h and s/*.h files we should use.
 127
 128 ### Canonicalize the configuration name.
 129
 130 AC_CANONICAL_HOST
 131 canonical=$host
 132 configuration=$host_alias
 133
 134 changequote(, )dnl
 135
 136 ### If you add support for a new configuration, add code to this
 137 ### switch statement to recognize your configuration name and select
 138 ### the appropriate operating system and machine description files.
 139
 140 ### You would hope that you could choose an m/*.h file pretty much
 141 ### based on the machine portion of the configuration name, and an s-
 142 ### file based on the operating system portion.  However, it turns out
 143 ### that each m/*.h file is pretty manufacturer-specific - for
 144 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 145 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 146 ### machines.  So we basically have to have a special case for each
 147 ### configuration name.
 148 ###
 149 ### As far as handling version numbers on operating systems is
 150 ### concerned, make sure things will fail in a fixable way.  If
 151 ### /etc/MACHINES doesn't say anything about version numbers, be
 152 ### prepared to handle anything reasonably.  If version numbers
 153 ### matter, be sure /etc/MACHINES says something about it.
 154 ###
 155 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 156 ### "System V Release 4"; he writes, "The old convention encouraged
 157 ### confusion between `system' and `release' levels'."
 158
 159 machine='' opsys='' unported=no
 160 case "${canonical}" in
 161
 162   ## NetBSD ports
 163   *-*-netbsd* )
 164     opsys=netbsd
 165     case "${canonical}" in
 166       alpha*-*-netbsd*) machine=alpha ;;
 167       i[3456]86-*-netbsd*) machine=intel386 ;;
 168       m68k-*-netbsd*)
 169                         # This is somewhat bogus.
 170                         machine=hp9000s300 ;;
 171       powerpc-apple-netbsd*) machine=macppc ;;
 172       mips-*-netbsd*)   machine=pmax ;;
 173       ns32k-*-netbsd*)  machine=ns32000 ;;
 174       sparc-*-netbsd*)  machine=sparc ;;
 175       vax-*-netbsd*)    machine=vax ;;
 176     esac
 177   ;;
 178
 179   ## OpenBSD ports
 180   *-*-openbsd* )
 181     opsys=openbsd
 182     case "${canonical}" in
 183       alpha*-*-openbsd*)        machine=alpha ;;
 184       i386-*-openbsd*)  machine=intel386 ;;
 185       m68k-*-openbsd*)  machine=hp9000s300 ;;
 186       mipsel-*-openbsd*) machine=pmax ;;
 187       ns32k-*-openbsd*) machine=ns32000 ;;
 188       sparc-*-openbsd*) machine=sparc ;;
 189       vax-*-openbsd*)   machine=vax ;;
 190     esac
 191   ;;
 192
 193   ## Acorn RISCiX:
 194   arm-acorn-riscix1.1* )
 195     machine=acorn opsys=riscix1-1
 196   ;;
 197   arm-acorn-riscix1.2* | arm-acorn-riscix )
 198     ## This name is riscix12 instead of riscix1.2
 199     ## to avoid a file name conflict on MSDOS.
 200     machine=acorn opsys=riscix12
 201   ;;
 202
 203   ## BSDI ports
 204   *-*-bsdi* )
 205     opsys=bsdi
 206     case "${canonical}" in
 207       i[345]86-*-bsdi*) machine=intel386 ;;
 208       sparc-*-bsdi*)  machine=sparc ;;
 209       powerpc-*-bsdi*)  machine=powerpc ;;
 210     esac
 211     case "${canonical}" in
 212       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 213       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 214       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 215       *-*-bsdi3* )              opsys=bsdos3 ;;
 216       *-*-bsdi4* )              opsys=bsdos4 ;;
 217     esac
 218   ;;
 219
 220   ## Alliant machines
 221   ## Strictly speaking, we need the version of the alliant operating
 222   ## system to choose the right machine file, but currently the
 223   ## configuration name doesn't tell us enough to choose the right
 224   ## one; we need to give alliants their own operating system name to
 225   ## do this right.  When someone cares, they can help us.
 226   fx80-alliant-* )
 227     machine=alliant4 opsys=bsd4-2
 228   ;;
 229   i860-alliant-* )
 230     machine=alliant-2800 opsys=bsd4-3
 231   ;;
 232
 233   ## Alpha (DEC) machines.
 234   alpha*-dec-osf* )
 235     machine=alpha opsys=osf1
 236     # This is needed to find X11R6.1 libraries for certain tests.
 237     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 238     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 239   ;;
 240
 241   alpha*-*-linux-gnu* )
 242     machine=alpha opsys=gnu-linux
 243   ;;
 244
 245   ## Altos 3068
 246   m68*-altos-sysv* )
 247     machine=altos opsys=usg5-2
 248   ;;
 249
 250   ## Amdahl UTS
 251   580-amdahl-sysv* )
 252     machine=amdahl opsys=usg5-2-2
 253   ;;
 254
 255   ## Apollo, Domain/OS
 256   m68*-apollo-* )
 257     machine=apollo opsys=bsd4-3
 258   ;;
 259
 260   ## AT&T 3b2, 3b5, 3b15, 3b20
 261   we32k-att-sysv* )
 262     machine=att3b opsys=usg5-2-2
 263   ;;
 264
 265   ## AT&T 3b1 - The Mighty Unix PC!
 266   m68*-att-sysv* )
 267     machine=7300 opsys=usg5-2-2
 268   ;;
 269
 270   ## Bull dpx20
 271   rs6000-bull-bosx* )
 272     machine=ibmrs6000 opsys=aix3-2
 273   ;;
 274
 275   ## Bull dpx2
 276   m68*-bull-sysv3* )
 277     machine=dpx2 opsys=usg5-3
 278   ;;
 279
 280   ## Bull sps7
 281   m68*-bull-sysv2* )
 282     machine=sps7 opsys=usg5-2
 283   ;;
 284
 285   ## CCI 5/32, 6/32 -- see "Tahoe".
 286
 287   ## Celerity
 288   ## I don't know what configuration name to use for this; config.sub
 289   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 290   ## in touch with us!
 291   celerity-celerity-bsd* )
 292     machine=celerity opsys=bsd4-2
 293   ;;
 294
 295   ## Clipper
 296   ## What operating systems does this chip run that Emacs has been
 297   ## tested on?
 298   clipper-* )
 299     machine=clipper
 300     ## We'll use the catch-all code at the bottom to guess the
 301     ## operating system.
 302   ;;
 303
 304   ## Convex
 305   *-convex-bsd* | *-convex-convexos* )
 306     machine=convex opsys=bsd4-3
 307     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 308     NON_GNU_CPP="cc -E -P"
 309   ;;
 310
 311   ## Cubix QBx/386
 312   i[3456]86-cubix-sysv* )
 313     machine=intel386 opsys=usg5-3
 314   ;;
 315
 316   ## Cydra 5
 317   cydra*-cydrome-sysv* )
 318     machine=cydra5 opsys=usg5-3
 319   ;;
 320
 321   ## Data General AViiON Machines
 322   ## DG changed naming conventions with the release of 5.4.4.10, they
 323   ## dropped the initial 5.4 but left the intervening R.  Because of the
 324   ## R this shouldn't conflict with older versions of the OS (which I
 325   ## think were named like dgux4.*). In addition, DG new AViiONs series
 326   ## uses either Motorola M88k or Intel Pentium CPUs.
 327   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 328     machine=aviion opsys=dgux4
 329   ;;
 330   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 331     ## This name is dgux5-4-3 instead of dgux5-4r3
 332     ## to avoid a file name conflict on MSDOS.
 333     machine=aviion opsys=dgux5-4-3
 334   ;;
 335   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 336     machine=aviion opsys=dgux5-4r2
 337   ;;
 338   m88k-dg-dgux* )
 339     machine=aviion opsys=dgux
 340   ;;
 341
 342   ## Data General AViiON Intel (x86) Machines
 343   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 344   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 345   i[345]86-dg-dguxR4* )
 346     machine=aviion-intel opsys=dgux4
 347   ;;
 348
 349   ## DECstations
 350   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 351     machine=pmax opsys=bsd4-2
 352   ;;
 353   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 354     machine=pmax opsys=bsd4-3
 355   ;;
 356   mips-dec-ultrix* )
 357     machine=pmax opsys=ultrix4-3
 358   ;;
 359   mips-dec-osf* )
 360     machine=pmax opsys=osf1
 361   ;;
 362   mips-dec-mach_bsd4.3* )
 363     machine=pmax opsys=mach-bsd4-3
 364   ;;
 365
 366   ## Motorola Delta machines
 367   m68k-motorola-sysv* | m68000-motorola-sysv* )
 368     machine=delta opsys=usg5-3
 369     if test -z "`type gnucc | grep 'not found'`"
 370     then
 371       if test -s /etc/167config
 372       then CC="gnucc -m68040"
 373       else CC="gnucc -m68881"
 374       fi
 375     else
 376       if test -z "`type gcc | grep 'not found'`"
 377       then CC=gcc
 378       else CC=cc
 379       fi
 380     fi
 381   ;;
 382   m88k-motorola-sysv4* )
 383     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 384     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 385     # I hope there are not other 4.0 versions for this machine
 386     # which really need usg5-4 instead.
 387     machine=delta88k opsys=usg5-4-2
 388   ;;
 389   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 390     machine=delta88k opsys=usg5-3
 391   ;;
 392
 393   ## Dual machines
 394   m68*-dual-sysv* )
 395     machine=dual opsys=usg5-2
 396   ;;
 397   m68*-dual-uniplus* )
 398     machine=dual opsys=unipl5-2
 399   ;;
 400
 401   ## Elxsi 6400
 402   elxsi-elxsi-sysv* )
 403     machine=elxsi opsys=usg5-2
 404   ;;
 405
 406   ## Encore machines
 407   ns16k-encore-bsd* )
 408     machine=ns16000 opsys=umax
 409   ;;
 410
 411   ## The GEC 93 - apparently, this port isn't really finished yet.
 412
 413   ## Gould Power Node and NP1
 414   pn-gould-bsd4.2* )
 415     machine=gould opsys=bsd4-2
 416   ;;
 417   pn-gould-bsd4.3* )
 418     machine=gould opsys=bsd4-3
 419   ;;
 420   np1-gould-bsd* )
 421     machine=gould-np1 opsys=bsd4-3
 422   ;;
 423
 424   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 425   ## as far as Emacs is concerned).
 426   m88k-harris-cxux* )
 427     # Build needs to be different on 7.0 and later releases
 428     case "`uname -r`" in
 429        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 430        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 431     esac
 432     NON_GNU_CPP="/lib/cpp"
 433   ;;
 434   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 435   m68k-harris-cxux* )
 436     machine=nh3000 opsys=cxux
 437   ;;
 438   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 439   powerpc-harris-powerunix )
 440     machine=nh6000 opsys=powerunix
 441     NON_GNU_CPP="cc -Xo -E -P"
 442   ;;
 443   ## SR2001/SR2201 running HI-UX/MPP
 444   hppa1.1-hitachi-hiuxmpp* )
 445     machine=sr2k opsys=hiuxmpp
 446   ;;
 447   ## Honeywell XPS100
 448   xps*-honeywell-sysv* )
 449     machine=xps100 opsys=usg5-2
 450   ;;
 451
 452   ## HP 9000 series 200 or 300
 453   m68*-hp-bsd* )
 454     machine=hp9000s300 opsys=bsd4-3
 455   ;;
 456   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 457   m68*-hp-hpux* )
 458     case "`uname -r`" in
 459       ## Someone's system reports A.B8.05 for this.
 460       ## I wonder what other possibilities there are.
 461       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 462       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 463       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 464       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 465       *) machine=hp9000s300 opsys=hpux ;;
 466     esac
 467   ;;
 468
 469   ## HP 9000 series 700 and 800, running HP/UX
 470   hppa*-hp-hpux7* )
 471     machine=hp800 opsys=hpux
 472   ;;
 473   hppa*-hp-hpux8* )
 474     machine=hp800 opsys=hpux8
 475   ;;
 476   hppa*-hp-hpux9shr* )
 477     machine=hp800 opsys=hpux9shr
 478   ;;
 479   hppa*-hp-hpux9* )
 480     machine=hp800 opsys=hpux9
 481   ;;
 482   hppa*-hp-hpux1[0-9]* )
 483     machine=hp800 opsys=hpux10
 484   ;;
 485
 486   ## HP 9000 series 700 and 800, running HP/UX
 487   hppa*-hp-hpux* )
 488     ## Cross-compilation?  Nah!
 489     case "`uname -r`" in
 490       ## Someone's system reports A.B8.05 for this.
 491       ## I wonder what other possibilities there are.
 492       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 493       *.08.* ) machine=hp800 opsys=hpux8 ;;
 494       *.09.* ) machine=hp800 opsys=hpux9 ;;
 495       *) machine=hp800 opsys=hpux10 ;;
 496     esac
 497   ;;
 498   hppa*-*-nextstep* )
 499     machine=hp800 opsys=nextstep
 500   ;;
 501
 502   ## Orion machines
 503   orion-orion-bsd* )
 504     machine=orion opsys=bsd4-2
 505   ;;
 506   clipper-orion-bsd* )
 507     machine=orion105 opsys=bsd4-2
 508   ;;
 509
 510   ## IBM machines
 511   i[3456]86-ibm-aix1.1* )
 512     machine=ibmps2-aix opsys=usg5-2-2
 513   ;;
 514   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 515     machine=ibmps2-aix opsys=usg5-3
 516   ;;
 517   i370-ibm-aix*)
 518     machine=ibm370aix opsys=usg5-3
 519   ;;
 520   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 521     machine=ibmrs6000 opsys=aix3-1
 522   ;;
 523   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 524     machine=ibmrs6000 opsys=aix3-2-5
 525   ;;
 526   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 527     machine=ibmrs6000 opsys=aix4-1
 528   ;;
 529   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 530     machine=ibmrs6000 opsys=aix4-2
 531   ;;
 532   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 533     machine=ibmrs6000 opsys=aix4
 534   ;;
 535   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 536     machine=ibmrs6000 opsys=aix4-1
 537   ;;
 538   rs6000-ibm-aix* | powerpc-ibm-aix* )
 539     machine=ibmrs6000 opsys=aix3-2
 540   ;;
 541   romp-ibm-bsd4.3* )
 542     machine=ibmrt opsys=bsd4-3
 543   ;;
 544   romp-ibm-bsd4.2* )
 545     machine=ibmrt opsys=bsd4-2
 546   ;;
 547   romp-ibm-aos4.3* )
 548     machine=ibmrt opsys=bsd4-3
 549   ;;
 550   romp-ibm-aos4.2* )
 551     machine=ibmrt opsys=bsd4-2
 552   ;;
 553   romp-ibm-aos* )
 554     machine=ibmrt opsys=bsd4-3
 555   ;;
 556   romp-ibm-bsd* )
 557     machine=ibmrt opsys=bsd4-3
 558   ;;
 559   romp-ibm-aix* )
 560     machine=ibmrt-aix opsys=usg5-2-2
 561   ;;
 562
 563   ## Integrated Solutions `Optimum V'
 564   m68*-isi-bsd4.2* )
 565     machine=isi-ov opsys=bsd4-2
 566   ;;
 567   m68*-isi-bsd4.3* )
 568     machine=isi-ov opsys=bsd4-3
 569   ;;
 570
 571   ## Intel 386 machines where we do care about the manufacturer
 572   i[3456]86-intsys-sysv* )
 573     machine=is386 opsys=usg5-2-2
 574   ;;
 575
 576   ## Prime EXL
 577   i[3456]86-prime-sysv* )
 578     machine=i386 opsys=usg5-3
 579   ;;
 580
 581   ## Sequent Symmetry running Dynix
 582   i[3456]86-sequent-bsd* )
 583     machine=symmetry opsys=bsd4-3
 584   ;;
 585
 586   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 587   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 588     machine=sequent-ptx opsys=ptx4
 589     NON_GNU_CPP=/lib/cpp
 590   ;;
 591
 592   ## Sequent Symmetry running DYNIX/ptx
 593   ## Use the old cpp rather than the newer ANSI one.
 594   i[3456]86-sequent-ptx* )
 595     machine=sequent-ptx opsys=ptx
 596     NON_GNU_CPP="/lib/cpp"
 597   ;;
 598
 599   ## ncr machine running svr4.3.
 600   i[3456]86-ncr-sysv4.3 )
 601     machine=ncr386 opsys=usg5-4-3
 602   ;;
 603
 604   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 605   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 606   i[3456]86-ncr-sysv* )
 607     machine=ncr386 opsys=usg5-4-2
 608   ;;
 609
 610   ## Intel Paragon OSF/1
 611   i860-intel-osf1* )
 612     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 613   ;;
 614
 615   ## Intel 860
 616   i860-*-sysv4* )
 617     machine=i860 opsys=usg5-4
 618     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 619     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 620   ;;
 621
 622   ## Masscomp machines
 623   m68*-masscomp-rtu* )
 624     machine=masscomp opsys=rtu
 625   ;;
 626
 627   ## Megatest machines
 628   m68*-megatest-bsd* )
 629     machine=mega68 opsys=bsd4-2
 630   ;;
 631
 632   ## Workstations sold by MIPS
 633   ## This is not necessarily all workstations using the MIPS processor -
 634   ## Irises are produced by SGI, and DECstations by DEC.
 635
 636   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 637   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 638   ## it gives for choosing between the alternatives seems to be "Use
 639   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 640   ## the BSD world."  I'll assume that these are instructions for
 641   ## handling two odd situations, and that every other situation
 642   ## should use mips.h and usg5-2-2, they being listed first.
 643   mips-mips-usg* )
 644     machine=mips4
 645     ## Fall through to the general code at the bottom to decide on the OS.
 646   ;;
 647   mips-mips-riscos4* )
 648     machine=mips4 opsys=bsd4-3
 649     NON_GNU_CC="cc -systype bsd43"
 650     NON_GNU_CPP="cc -systype bsd43 -E"
 651   ;;
 652   mips-mips-riscos5* )
 653     machine=mips4 opsys=riscos5
 654     NON_GNU_CC="cc -systype bsd43"
 655     NON_GNU_CPP="cc -systype bsd43 -E"
 656   ;;
 657   mips-mips-bsd* )
 658     machine=mips opsys=bsd4-3
 659   ;;
 660   mips-mips-* )
 661     machine=mips opsys=usg5-2-2
 662   ;;
 663
 664   ## NeXT
 665   m68*-next-* | m68k-*-nextstep* )
 666     machine=m68k opsys=nextstep
 667   ;;
 668
 669   ## The complete machine from National Semiconductor
 670   ns32k-ns-genix* )
 671     machine=ns32000 opsys=usg5-2
 672   ;;
 673
 674   ## NCR machines
 675   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 676     machine=tower32 opsys=usg5-2-2
 677   ;;
 678   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 679     machine=tower32v3 opsys=usg5-3
 680   ;;
 681
 682   ## NEC EWS4800
 683   mips-nec-sysv4*)
 684   machine=ews4800 opsys=ux4800
 685   ;;
 686
 687   ## Nixdorf Targon 31
 688   m68*-nixdorf-sysv* )
 689     machine=targon31 opsys=usg5-2-2
 690   ;;
 691
 692   ## Nu (TI or LMI)
 693   m68*-nu-sysv* )
 694     machine=nu opsys=usg5-2
 695   ;;
 696
 697   ## Plexus
 698   m68*-plexus-sysv* )
 699     machine=plexus opsys=usg5-2
 700   ;;
 701
 702   ## PowerPC reference platform
 703   powerpcle-*-solaris2* )
 704     machine=prep
 705     opsys=sol2-5
 706   ;;
 707
 708   ## Pyramid machines
 709   ## I don't really have any idea what sort of processor the Pyramid has,
 710   ## so I'm assuming it is its own architecture.
 711   pyramid-pyramid-bsd* )
 712     machine=pyramid opsys=bsd4-2
 713   ;;
 714
 715   ## Sequent Balance
 716   ns32k-sequent-bsd4.2* )
 717     machine=sequent opsys=bsd4-2
 718   ;;
 719   ns32k-sequent-bsd4.3* )
 720     machine=sequent opsys=bsd4-3
 721   ;;
 722
 723   ## Siemens Nixdorf
 724   mips-siemens-sysv* | mips-sni-sysv*)
 725     machine=mips-siemens opsys=usg5-4
 726     NON_GNU_CC=/usr/ccs/bin/cc
 727     NON_GNU_CPP=/usr/ccs/lib/cpp
 728   ;;
 729
 730   ## Silicon Graphics machines
 731   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 732   m68*-sgi-iris3.5* )
 733     machine=irist opsys=iris3-5
 734   ;;
 735   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 736     machine=irist opsys=iris3-6
 737   ;;
 738   ## Iris 4D
 739   mips-sgi-irix3* )
 740     machine=iris4d opsys=irix3-3
 741   ;;
 742   mips-sgi-irix4* )
 743     machine=iris4d opsys=irix4-0
 744   ;;
 745   mips-sgi-irix6.5 )
 746     machine=iris4d opsys=irix6-5
 747     NON_GNU_CPP=/lib/cpp
 748     NON_GCC_TEST_OPTIONS="-n32 -G0"
 749   ;;
 750   mips-sgi-irix6* )
 751     machine=iris4d opsys=irix6-0
 752     NON_GNU_CPP=/lib/cpp
 753     NON_GCC_TEST_OPTIONS=-32
 754   ;;
 755   mips-sgi-irix5.[01]* )
 756     machine=iris4d opsys=irix5-0
 757   ;;
 758   mips-sgi-irix5* | mips-sgi-irix* )
 759     machine=iris4d opsys=irix5-2
 760   ;;
 761
 762   ## SONY machines
 763   m68*-sony-bsd4.2* )
 764     machine=news opsys=bsd4-2
 765   ;;
 766   m68*-sony-bsd4.3* )
 767     machine=news opsys=bsd4-3
 768   ;;
 769   m68*-sony-newsos3* | m68*-sony-news3*)
 770     machine=news opsys=bsd4-3
 771   ;;
 772   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 773     machine=news-risc opsys=bsd4-3
 774   ;;
 775   mips-sony-newsos6* )
 776     machine=news-r6 opsys=newsos6
 777   ;;
 778   mips-sony-news* )
 779     machine=news-risc opsys=newsos5
 780   ;;
 781
 782   ## Stride
 783   m68*-stride-sysv* )
 784     machine=stride opsys=usg5-2
 785   ;;
 786
 787   ## Suns
 788   sparc-*-linux-gnu* )
 789     machine=sparc opsys=gnu-linux
 790   ;;
 791
 792   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 793     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 794     | rs6000-*-solaris2*)
 795     case "${canonical}" in
 796       m68*-sunos1* )    machine=sun1 ;;
 797       m68*-sunos2* )    machine=sun2 ;;
 798       m68* )            machine=sun3 ;;
 799       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 800       i[3456]86-*-* )     machine=intel386 ;;
 801       powerpcle* )      machine=powerpcle ;;
 802       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 803       sparc* )          machine=sparc ;;
 804       * )               unported=yes ;;
 805     esac
 806     case "${canonical}" in
 807       ## The Sun386 didn't get past 4.0.
 808       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 809       *-sunos4.0*         ) opsys=sunos4-0 ;;
 810       *-sunos4.1.[3-9]*noshare )
 811                 ## This name is sunos413 instead of sunos4-1-3
 812                 ## to avoid a file name conflict on MSDOS.
 813                 opsys=sunos413
 814                 NON_GNU_CPP=/usr/lib/cpp
 815                 NON_GCC_TEST_OPTIONS=-Bstatic
 816                 GCC_TEST_OPTIONS=-static
 817                 ;;
 818       *-sunos4.1.[3-9]* | *-sunos4shr*)
 819                 opsys=sunos4shr
 820                 NON_GNU_CPP=/usr/lib/cpp
 821                 ;;
 822       *-sunos4* | *-sunos )
 823                 opsys=sunos4-1
 824                 NON_GCC_TEST_OPTIONS=-Bstatic
 825                 GCC_TEST_OPTIONS=-static
 826                 ;;
 827       *-sunos5.3* | *-solaris2.3* )
 828                 opsys=sol2-3
 829                 NON_GNU_CPP=/usr/ccs/lib/cpp
 830                 ;;
 831       *-sunos5.4* | *-solaris2.4* )
 832                 opsys=sol2-4
 833                 NON_GNU_CPP=/usr/ccs/lib/cpp
 834                 RANLIB="ar -ts"
 835                 ;;
 836       *-sunos5.5* | *-solaris2.5* )
 837                 opsys=sol2-5
 838                 NON_GNU_CPP=/usr/ccs/lib/cpp
 839                 RANLIB="ar -ts"
 840                 ;;
 841       *-sunos5* | *-solaris* )
 842                 opsys=sol2-5
 843                 NON_GNU_CPP=/usr/ccs/lib/cpp
 844                 ;;
 845       *                   ) opsys=bsd4-2   ;;
 846     esac
 847     ## Watch out for a compiler that we know will not work.
 848     case "${canonical}" in
 849      *-solaris* | *-sunos5* )
 850                 if [ "x$CC" = x/usr/ucb/cc ]; then
 851                   ## /usr/ucb/cc doesn't work;
 852                   ## we should find some other compiler that does work.
 853                   unset CC
 854                 fi
 855                 ;;
 856       *) ;;
 857     esac
 858   ;;
 859   sparc-*-nextstep* )
 860     machine=sparc opsys=nextstep
 861   ;;
 862
 863   ## Tadpole 68k
 864   m68*-tadpole-sysv* )
 865     machine=tad68k opsys=usg5-3
 866   ;;
 867
 868   ## Tahoe machines
 869   tahoe-tahoe-bsd4.2* )
 870     machine=tahoe opsys=bsd4-2
 871   ;;
 872   tahoe-tahoe-bsd4.3* )
 873     machine=tahoe opsys=bsd4-3
 874   ;;
 875
 876   ## Tandem Integrity S2
 877   mips-tandem-sysv* )
 878     machine=tandem-s2 opsys=usg5-3
 879   ;;
 880
 881   ## Tektronix XD88
 882   m88k-tektronix-sysv3* )
 883   machine=tekxd88 opsys=usg5-3
 884   ;;
 885
 886   ## Tektronix 16000 box (6130?)
 887   ns16k-tektronix-bsd* )
 888     machine=ns16000 opsys=bsd4-2
 889   ;;
 890   ## Tektronix 4300
 891   ## src/m/tek4300.h hints that this is a m68k machine.
 892   m68*-tektronix-bsd* )
 893     machine=tek4300 opsys=bsd4-3
 894   ;;
 895
 896   ## Titan P2 or P3
 897   ## We seem to have lost the machine-description file titan.h!
 898   titan-titan-sysv* )
 899     machine=titan opsys=usg5-3
 900   ;;
 901
 902   ## Ustation E30 (SS5E)
 903   m68*-unisys-uniplus* )
 904     machine=ustation opsystem=unipl5-2
 905   ;;
 906
 907   ## Vaxen.
 908   vax-dec-* )
 909     machine=vax
 910     case "${canonical}" in
 911       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 912       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 913       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 914       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 915       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 916       *-vms* )                                          opsys=vms ;;
 917       * )                                               unported=yes
 918     esac
 919   ;;
 920
 921   ## Whitechapel MG1
 922   ns16k-whitechapel-* )
 923     machine=mg1
 924     ## We don't know what sort of OS runs on these; we'll let the
 925     ## operating system guessing code below try.
 926   ;;
 927
 928   ## Wicat
 929   m68*-wicat-sysv* )
 930     machine=wicat opsys=usg5-2
 931   ;;
 932
 933   ## Intel 386 machines where we don't care about the manufacturer
 934   i[3456]86-*-* )
 935     machine=intel386
 936     case "${canonical}" in
 937       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 938       *-isc2.2* )               opsys=isc2-2 ;;
 939       *-isc4.0* )               opsys=isc4-0 ;;
 940       *-isc4.* )                opsys=isc4-1
 941                                 GCC_TEST_OPTIONS=-posix
 942                                 NON_GCC_TEST_OPTIONS=-Xp
 943                                 ;;
 944       *-isc* )                  opsys=isc3-0 ;;
 945       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 946       *-esix* )                 opsys=esix ;;
 947       *-xenix* )                opsys=xenix ;;
 948       *-linux-gnu* )            opsys=gnu-linux ;;
 949       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 950       *-sco3.2v5* )             opsys=sco5
 951                                 NON_GNU_CPP=/lib/cpp
 952                                 # Prevent -belf from being passed to $CPP.
 953                                 # /lib/cpp does not accept it.
 954                                 OVERRIDE_CPPFLAGS=" "
 955                                 ;;
 956       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 957       *-386bsd* )               opsys=386bsd ;;
 958       *-freebsd* )              opsys=freebsd ;;
 959       *-nextstep* )             opsys=nextstep ;;
 960       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 961     esac
 962   ;;
 963
 964   ## m68k Linux-based GNU system
 965   m68k-*-linux-gnu* )
 966     machine=m68k opsys=gnu-linux
 967   ;;
 968
 969   ## Mips Linux-based GNU system
 970   mips-*-linux-gnu* )
 971     machine=mips opsys=gnu-linux
 972   ;;
 973
 974   ## UXP/DS
 975   sparc-fujitsu-sysv4* )
 976     machine=sparc opsys=uxpds
 977     NON_GNU_CPP=/usr/ccs/lib/cpp
 978     RANLIB="ar -ts"
 979   ;;
 980
 981   ## UXP/V
 982   f301-fujitsu-uxpv4.1)
 983     machine=f301 opsys=uxpv
 984   ;;
 985
 986   * )
 987     unported=yes
 988   ;;
 989 esac
 990
 991 ### If the code above didn't choose an operating system, just choose
 992 ### an operating system based on the configuration name.  You really
 993 ### only want to use this when you have no idea what the right
 994 ### operating system is; if you know what operating systems a machine
 995 ### runs, it's cleaner to make it explicit in the case statement
 996 ### above.
 997 if test x"${opsys}" = x; then
 998   case "${canonical}" in
 999     *-gnu* )                            opsys=gnu ;;
1000     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1001     *-bsd4.2 )                          opsys=bsd4-2 ;;
1002     *-bsd4.3 )                          opsys=bsd4-3 ;;
1003     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1004     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1005     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1006     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1007     *-sysv4.2uw* )                      opsys=unixware ;;
1008     *-sysv4.1* | *-sysvr4.1* )
1009         NON_GNU_CPP=/usr/lib/cpp
1010         opsys=usg5-4 ;;
1011     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1012         if [ x$NON_GNU_CPP = x ]; then
1013           if [ -f /usr/ccs/lib/cpp ]; then
1014             NON_GNU_CPP=/usr/ccs/lib/cpp
1015           else
1016             NON_GNU_CPP=/lib/cpp
1017           fi
1018         fi
1019         opsys=usg5-4-2 ;;
1020     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1021     * )
1022       unported=yes
1023     ;;
1024   esac
1025 fi
1026
1027 if test "x$RANLIB" = x; then
1028   RANLIB=ranlib
1029 fi
1030
1031 changequote([, ])dnl
1032
1033 if test $unported = yes; then
1034   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1035 Check \`etc/MACHINES' for recognized configuration names.])
1036 fi
1037
1038 machfile="m/${machine}.h"
1039 opsysfile="s/${opsys}.h"
1040
1041
1042 #### Choose a compiler.
1043 test -n "$CC" && cc_specified=yes
1044
1045 # Save the value of CFLAGS that the user specified.
1046 SPECIFIED_CFLAGS="$CFLAGS"
1047
1048 case ${with_gcc} in
1049   "yes" ) CC="gcc" GCC=yes ;;
1050   "no"  ) : ${CC=cc} ;;
1051   * ) AC_PROG_CC
1052 esac
1053
1054 # On Suns, sometimes $CPP names a directory.
1055 if test -n "$CPP" && test -d "$CPP"; then
1056   CPP=
1057 fi
1058
1059 #### Some systems specify a CPP to use unless we are using GCC.
1060 #### Now that we know whether we are using GCC, we can decide whether
1061 #### to use that one.
1062 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1063 then
1064   CPP="$NON_GNU_CPP"
1065 fi
1066
1067 #### Some systems specify a CC to use unless we are using GCC.
1068 #### Now that we know whether we are using GCC, we can decide whether
1069 #### to use that one.
1070 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1071   test x$cc_specified != xyes
1072 then
1073   CC="$NON_GNU_CC"
1074 fi
1075
1076 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1077 then
1078   CC="$CC $GCC_TEST_OPTIONS"
1079 fi
1080
1081 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1082 then
1083   CC="$CC $NON_GCC_TEST_OPTIONS"
1084 fi
1085
1086 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1087 then
1088   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1089 fi
1090
1091 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1092 then
1093   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1094 fi
1095
1096 #### Some other nice autoconf tests.  If you add a test here which
1097 #### should make an entry in src/config.h, don't forget to add an
1098 #### #undef clause to src/config.h.in for autoconf to modify.
1099
1100 dnl checks for programs
1101 AC_PROG_LN_S
1102 AC_PROG_CPP
1103 AC_PROG_INSTALL
1104 AC_PROG_YACC
1105
1106 dnl checks for Unix variants
1107 AC_AIX
1108
1109 # Sound support for GNU/Linux and the free BSDs.
1110 if test "${with_sound}" = ""; then
1111   with_sound=no
1112 fi
1113 if test "${with_sound}" != "no"; then
1114   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1115 fi
1116
1117 dnl checks for header files
1118 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h sys/systeminfo.h termios.h limits.h string.h)
1119 AC_HEADER_STDC
1120 AC_HEADER_TIME
1121 AC_DECL_SYS_SIGLIST
1122
1123 dnl Some systems have utime.h but don't declare the struct anyplace.
1124 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1125 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1126 #include <sys/time.h>
1127 #include <time.h>
1128 #else
1129 #ifdef HAVE_SYS_TIME_H
1130 #include <sys/time.h>
1131 #else
1132 #include <time.h>
1133 #endif
1134 #endif
1135 #ifdef HAVE_UTIME_H
1136 #include <utime.h>
1137 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1138   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1139 if test $emacs_cv_struct_utimbuf = yes; then
1140   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1141 fi
1142
1143 dnl checks for typedefs
1144 AC_TYPE_SIGNAL
1145
1146 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1147 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1148 #include <sys/time.h>
1149 #include <time.h>
1150 #else
1151 #ifdef HAVE_SYS_TIME_H
1152 #include <sys/time.h>
1153 #else
1154 #include <time.h>
1155 #endif
1156 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1157   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1158 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1159 if test $emacs_cv_struct_timeval = yes; then
1160   AC_DEFINE(HAVE_TIMEVAL)
1161 fi
1162
1163 dnl checks for structure members
1164 AC_STRUCT_TM
1165 AC_STRUCT_TIMEZONE
1166
1167 dnl checks for compiler characteristics
1168 AC_C_CONST
1169
1170 dnl check for Make feature
1171 AC_PROG_MAKE_SET
1172
1173 dnl checks for operating system services
1174 AC_SYS_LONG_FILE_NAMES
1175
1176 #### Choose a window system.
1177
1178 AC_PATH_X
1179 if test "$no_x" = yes; then
1180   window_system=none
1181 else
1182   window_system=x11
1183 fi
1184
1185 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1186   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1187   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1188   x_default_search_path=""
1189   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1190     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1191 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1192 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1193 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1194     if test x"${x_default_search_path}" = x; then
1195       x_default_search_path=${x_search_path}
1196     else
1197       x_default_search_path="${x_search_path}:${x_default_search_path}"
1198     fi
1199   done
1200 fi
1201 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1202   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1203 fi
1204
1205 if test x"${x_includes}" = x; then
1206   bitmapdir=/usr/include/X11/bitmaps
1207 else
1208   # accumulate include directories that have X11 bitmap subdirectories
1209   bmd_acc="dummyval"
1210   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1211     if test -d "${bmd}/X11/bitmaps"; then
1212       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1213     elif test -d "${bmd}/bitmaps"; then
1214       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1215     fi
1216   done
1217   if test ${bmd_acc} != "dummyval"; then
1218     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1219   fi
1220 fi
1221
1222 case "${window_system}" in
1223   x11 )
1224     HAVE_X_WINDOWS=yes
1225     HAVE_X11=yes
1226     case "${with_x_toolkit}" in
1227       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1228       motif ) USE_X_TOOLKIT=MOTIF ;;
1229 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1230       no ) USE_X_TOOLKIT=none ;;
1231 dnl If user did not say whether to use a toolkit,
1232 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1233       * ) USE_X_TOOLKIT=maybe ;;
1234     esac
1235   ;;
1236   none )
1237     HAVE_X_WINDOWS=no
1238     HAVE_X11=no
1239     USE_X_TOOLKIT=none
1240   ;;
1241 esac
1242
1243 ### If we're using X11, we should use the X menu package.
1244 HAVE_MENUS=no
1245 case ${HAVE_X11} in
1246   yes ) HAVE_MENUS=yes ;;
1247 esac
1248
1249 ### Is -lXaw3d available?
1250 HAVE_XAW3D=no
1251 if test "${HAVE_X11}" = "yes"; then
1252   old_c_flags="${CFLAGS}"
1253   CFLAGS="${LD_SWITCH_X_SITE}"
1254   AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11)
1255   CFLAGS="${old_c_flags}"
1256
1257   if test "${HAVE_XAW3D}" = "yes"; then
1258     AC_DEFINE(HAVE_XAW3D)
1259   fi
1260 fi
1261
1262 ### Use -lXpm if available, unless `--with-xpm=no'.
1263 HAVE_XPM=no
1264 if test "${HAVE_X11}" = "yes"; then
1265   if test "${with_xpm}" != "no"; then
1266     old_c_flags="${CFLAGS}"
1267     CFLAGS="${LD_SWITCH_X_SITE}"
1268     AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)
1269     CFLAGS="${old_c_flags}"
1270   fi
1271
1272   if test "${HAVE_XPM}" = "yes"; then
1273     AC_DEFINE(HAVE_XPM)
1274   fi
1275 fi
1276
1277 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1278 HAVE_JPEG=no
1279 if test "${HAVE_X11}" = "yes"; then
1280   if test "${with_jpeg}" != "no"; then
1281     old_c_flags="${CFLAGS}"
1282     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1283     AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11)
1284     CFLAGS="${old_c_flags}"
1285   fi
1286
1287   if test "${HAVE_JPEG}" = "yes"; then
1288     AC_DEFINE(HAVE_JPEG)
1289   fi
1290 fi
1291
1292 ### Use -lpng if available, unless `--with-png=no'.
1293 HAVE_PNG=no
1294 if test "${HAVE_X11}" = "yes"; then
1295   if test "${with_png}" != "no"; then
1296     old_c_flags="${CFLAGS}"
1297     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1298     AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm)
1299     CFLAGS="${old_c_flags}"
1300   fi
1301
1302   if test "${HAVE_PNG}" = "yes"; then
1303     AC_DEFINE(HAVE_PNG)
1304   fi
1305 fi
1306
1307 ### Use -ltiff34 if available, unless `--with-tiff=no'.
1308 HAVE_TIFF=no
1309 if test "${HAVE_X11}" = "yes"; then
1310   if test "${with_tiff}" != "no"; then
1311     old_c_flags="${CFLAGS}"
1312     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1313     AC_CHECK_LIB(tiff34, TIFFGetVersion, HAVE_TIFF=yes, , -lX11)
1314     CFLAGS="${old_c_flags}"
1315   fi
1316
1317   if test "${HAVE_TIFF}" = "yes"; then
1318     AC_DEFINE(HAVE_TIFF)
1319   fi
1320 fi
1321
1322 ### Use -lgif if available, unless `--with-gif=no'.
1323 HAVE_GIF=no
1324 if test "${HAVE_X11}" = "yes"; then
1325   if test "${with_gif}" != "no"; then
1326     old_c_flags="${CFLAGS}"
1327     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1328     AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11)
1329     CFLAGS="${old_c_flags}"
1330   fi
1331
1332   if test "${HAVE_GIF}" = "yes"; then
1333     AC_DEFINE(HAVE_GIF)
1334   fi
1335 fi
1336
1337 if test "${opsys}" = "hpux9"; then
1338   case "${x_libraries}" in
1339     *X11R4* )
1340       opsysfile="s/hpux9-x11r4.h"
1341       ;;
1342   esac
1343 fi
1344
1345 if test "${opsys}" = "hpux9shr"; then
1346   case "${x_libraries}" in
1347     *X11R4* )
1348       opsysfile="s/hpux9shxr4.h"
1349       ;;
1350   esac
1351 fi
1352
1353 #### Extract some information from the operating system and machine files.
1354
1355 AC_CHECKING([the machine- and system-dependent files to find out
1356  - which libraries the lib-src programs will want, and
1357  - whether the GNU malloc routines are usable])
1358
1359 ### First figure out CFLAGS (which we use for running the compiler here)
1360 ### and REAL_CFLAGS (which we use for real compilation).
1361 ### The two are the same except on a few systems, where they are made
1362 ### different to work around various lossages.  For example,
1363 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1364 ### as implying static linking.
1365
1366 ### If the CFLAGS env var is specified, we use that value
1367 ### instead of the default.
1368
1369 ### It's not important that this name contain the PID; you can't run
1370 ### two configures in the same directory and have anything work
1371 ### anyway.
1372 tempcname="conftest.c"
1373
1374 echo '
1375 #include "'${srcdir}'/src/'${opsysfile}'"
1376 #include "'${srcdir}'/src/'${machfile}'"
1377 #ifndef LIBS_MACHINE
1378 #define LIBS_MACHINE
1379 #endif
1380 #ifndef LIBS_SYSTEM
1381 #define LIBS_SYSTEM
1382 #endif
1383 #ifndef C_SWITCH_SYSTEM
1384 #define C_SWITCH_SYSTEM
1385 #endif
1386 #ifndef C_SWITCH_MACHINE
1387 #define C_SWITCH_MACHINE
1388 #endif
1389 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1390 configure___ c_switch_system=C_SWITCH_SYSTEM
1391 configure___ c_switch_machine=C_SWITCH_MACHINE
1392
1393 #ifndef LIB_X11_LIB
1394 #define LIB_X11_LIB -lX11
1395 #endif
1396
1397 #ifndef LIBX11_MACHINE
1398 #define LIBX11_MACHINE
1399 #endif
1400
1401 #ifndef LIBX11_SYSTEM
1402 #define LIBX11_SYSTEM
1403 #endif
1404 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1405
1406 #ifdef UNEXEC
1407 configure___ unexec=UNEXEC
1408 #else
1409 configure___ unexec=unexec.o
1410 #endif
1411
1412 #ifdef SYSTEM_MALLOC
1413 configure___ system_malloc=yes
1414 #else
1415 configure___ system_malloc=no
1416 #endif
1417
1418 #ifndef C_DEBUG_SWITCH
1419 #define C_DEBUG_SWITCH -g
1420 #endif
1421
1422 #ifndef C_OPTIMIZE_SWITCH
1423 #define C_OPTIMIZE_SWITCH -O
1424 #endif
1425
1426 #ifndef LD_SWITCH_MACHINE
1427 #define LD_SWITCH_MACHINE
1428 #endif
1429
1430 #ifndef LD_SWITCH_SYSTEM
1431 #define LD_SWITCH_SYSTEM
1432 #endif
1433
1434 #ifndef LD_SWITCH_X_SITE_AUX
1435 #define LD_SWITCH_X_SITE_AUX
1436 #endif
1437
1438 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1439 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1440
1441 #ifdef THIS_IS_CONFIGURE
1442
1443 /* Get the CFLAGS for tests in configure.  */
1444 #ifdef __GNUC__
1445 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1446 #else
1447 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1448 #endif
1449
1450 #else /* not THIS_IS_CONFIGURE */
1451
1452 /* Get the CFLAGS for real compilation.  */
1453 #ifdef __GNUC__
1454 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1455 #else
1456 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1457 #endif
1458
1459 #endif /* not THIS_IS_CONFIGURE */
1460 ' > ${tempcname}
1461
1462 # The value of CPP is a quoted variable reference, so we need to do this
1463 # to get its actual value...
1464 CPP=`eval "echo $CPP"`
1465 changequote(, )dnl
1466 eval `${CPP} -Isrc ${tempcname} \
1467        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1468 if test "x$SPECIFIED_CFLAGS" = x; then
1469   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1470          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1471 else
1472   REAL_CFLAGS="$CFLAGS"
1473 fi
1474 changequote([, ])dnl
1475 rm ${tempcname}
1476
1477 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1478
1479 ### Compute the unexec source name from the object name.
1480 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1481
1482 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1483 # Assume not, until told otherwise.
1484 GNU_MALLOC=yes
1485 doug_lea_malloc=yes
1486 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1487 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1488 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1489                emacs_cv_var___after_morecore_hook,
1490 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1491   emacs_cv_var___after_morecore_hook=yes,
1492   emacs_cv_var___after_morecore_hook=no))
1493 if test $emacs_cv_var___after_morecore_hook = no; then
1494   doug_lea_malloc=no
1495 fi
1496 if test "${system_malloc}" = "yes"; then
1497   GNU_MALLOC=no
1498   GNU_MALLOC_reason="
1499     (The GNU allocators don't work with this system configuration.)"
1500 fi
1501 if test "$doug_lea_malloc" = "yes" ; then
1502   if test "$GNU_MALLOC" = yes ; then
1503     GNU_MALLOC_reason="
1504       (Using Doug Lea's new malloc from the GNU C Library.)"
1505   fi
1506   AC_DEFINE(DOUG_LEA_MALLOC)
1507 fi
1508
1509 if test x"${REL_ALLOC}" = x; then
1510   REL_ALLOC=${GNU_MALLOC}
1511 fi
1512
1513 LISP_FLOAT_TYPE=yes
1514
1515
1516 #### Add the libraries to LIBS and check for some functions.
1517
1518 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1519   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1520 else
1521   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1522 fi
1523
1524 LIBS="$libsrc_libs $LIBS"
1525
1526 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1527 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1528 AC_CHECK_LIB(dnet, dnet_ntoa)
1529 dnl This causes -lresolv to get used in subsequent tests,
1530 dnl which causes failures on some systems such as HPUX 9.
1531 dnl AC_CHECK_LIB(resolv, gethostbyname)
1532
1533 dnl FIXME replace main with a function we actually want from this library.
1534 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1535
1536 AC_CHECK_LIB(pthreads, cma_open)
1537
1538 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1539 if test -d /usr/X386/include; then
1540   HAVE_XFREE386=yes
1541   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1542 else
1543   HAVE_XFREE386=no
1544 fi
1545 AC_MSG_RESULT($HAVE_XFREE386)
1546
1547 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1548 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1549
1550 if test "${HAVE_X11}" = "yes"; then
1551   DEFS="$C_SWITCH_X_SITE $DEFS"
1552   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1553   LIBS="$LIBX $LIBS"
1554   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1555
1556   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1557   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1558   # but it's more convenient here to set LD_RUN_PATH
1559   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1560   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1561     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1562     export LD_RUN_PATH
1563   fi
1564
1565   if test "${opsys}" = "gnu-linux"; then
1566     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1567     AC_TRY_LINK([],
1568      [XOpenDisplay ("foo");],
1569      [xlinux_first_failure=no],
1570      [xlinux_first_failure=yes])
1571     if test "${xlinux_first_failure}" = "yes"; then
1572       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1573       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1574       OLD_CPPFLAGS="$CPPFLAGS"
1575       OLD_LIBS="$LIBS"
1576       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1577       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1578       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1579       LIBS="$LIBS -b i486-linuxaout"
1580       AC_TRY_LINK([],
1581        [XOpenDisplay ("foo");],
1582        [xlinux_second_failure=no],
1583        [xlinux_second_failure=yes])
1584       if test "${xlinux_second_failure}" = "yes"; then
1585         # If we get the same failure with -b, there is no use adding -b.
1586         # So take it out.  This plays safe.
1587         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1588         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1589         CPPFLAGS="$OLD_CPPFLAGS"
1590         LIBS="$OLD_LIBS"
1591         AC_MSG_RESULT(no)
1592       else
1593         AC_MSG_RESULT(yes)
1594       fi
1595     else
1596       AC_MSG_RESULT(no)
1597     fi
1598   fi
1599
1600   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1601 XScreenNumberOfScreen XSetWMProtocols)
1602 fi
1603
1604 if test "${window_system}" = "x11"; then
1605   AC_MSG_CHECKING(X11 version 6)
1606   AC_CACHE_VAL(emacs_cv_x11_version_6,
1607   AC_TRY_LINK([#include <X11/Xlib.h>],
1608 [#if XlibSpecificationRelease < 6
1609 fail;
1610 #endif
1611 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1612   if test $emacs_cv_x11_version_6 = yes; then
1613     AC_MSG_RESULT(6 or newer)
1614     AC_DEFINE(HAVE_X11R6)
1615   else
1616     AC_MSG_RESULT(before 6)
1617   fi
1618 fi
1619
1620 if test "${window_system}" = "x11"; then
1621   AC_MSG_CHECKING(X11 version 5)
1622   AC_CACHE_VAL(emacs_cv_x11_version_5,
1623   AC_TRY_LINK([#include <X11/Xlib.h>],
1624 [#if XlibSpecificationRelease < 5
1625 fail;
1626 #endif
1627 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1628   if test $emacs_cv_x11_version_5 = yes; then
1629     AC_MSG_RESULT(5 or newer)
1630     HAVE_X11R5=yes
1631     AC_DEFINE(HAVE_X11R5)
1632   else
1633     HAVE_X11R5=no
1634     AC_MSG_RESULT(before 5)
1635   fi
1636 fi
1637
1638 dnl Do not put whitespace before the #include statements below.
1639 dnl Older compilers (eg sunos4 cc) choke on it.
1640 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1641   if test x"${HAVE_X11R5}" = xyes; then
1642     AC_MSG_CHECKING(X11 version 5 with Xaw)
1643     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1644     AC_TRY_LINK([
1645 #include <X11/Intrinsic.h>
1646 #include <X11/Xaw/Simple.h>],
1647       [],
1648       emacs_cv_x11_version_5_with_xaw=yes,
1649       emacs_cv_x11_version_5_with_xaw=no))
1650     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1651       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1652       USE_X_TOOLKIT=LUCID
1653     else
1654       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1655       USE_X_TOOLKIT=none
1656     fi
1657   else
1658     USE_X_TOOLKIT=none
1659   fi
1660 fi
1661
1662 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1663
1664 dnl Use toolkit scroll bars if configured for X toolkit and either
1665 dnl using Motif or Xaw3d is available.
1666
1667 if test "${USE_X_TOOLKIT}" != "none"; then
1668   if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1669     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1670     HAVE_XAW3D=no
1671   elif test "${HAVE_XAW3D}" = "yes"; then
1672     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1673   fi
1674 fi
1675
1676 if test "${USE_X_TOOLKIT}" != "none"; then
1677   AC_MSG_CHECKING(X11 toolkit version)
1678   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1679   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1680 [#if XtSpecificationRelease < 6
1681 fail;
1682 #endif
1683 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1684   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1685   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1686     AC_MSG_RESULT(6 or newer)
1687     AC_DEFINE(HAVE_X11XTR6)
1688   else
1689     AC_MSG_RESULT(before 6)
1690   fi
1691
1692 dnl If using toolkit, check whether libXmu.a exists.
1693 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1694   OLDLIBS="$LIBS"
1695   if test x$HAVE_X11XTR6 = xyes; then
1696     LIBS="-lXt -lSM -lICE $LIBS"
1697   else
1698     LIBS="-lXt $LIBS"
1699   fi
1700   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1701   LIBS="$OLDLIBS"
1702 fi
1703
1704 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1705   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1706   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1707     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1708 int x = 5;
1709 #else
1710 Motif version prior to 2.1.
1711 #endif],
1712     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1713   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1714   if test $emacs_cv_motif_version_2_1 = yes; then
1715     AC_DEFINE(HAVE_MOTIF_2_1)
1716     AC_CHECK_LIB(Xp, XpCreateContext)
1717   fi
1718 fi
1719
1720 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1721 AC_CACHE_CHECK(whether netdb declares h_errno,
1722                emacs_cv_netdb_declares_h_errno,
1723 AC_TRY_LINK([#include <netdb.h>],
1724   [return h_errno;],
1725   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1726 if test $emacs_cv_netdb_declares_h_errno = yes; then
1727   AC_DEFINE(HAVE_H_ERRNO)
1728 fi
1729
1730 AC_FUNC_ALLOCA
1731
1732 # fmod, logb, and frexp are found in -lm on most systems.
1733 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1734 AC_CHECK_LIB(m, sqrt)
1735
1736 # Check for mail-locking functions in a "mail" library
1737 AC_CHECK_LIB(mail, maillock,
1738              AC_DEFINE(HAVE_LIBMAIL)
1739              AC_CHECK_FUNCS(touchlock)
1740              AC_CHECK_HEADERS(maillock.h))
1741
1742 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1743 rename closedir mkdir rmdir sysinfo \
1744 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1745 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1746 utimes setrlimit setpgid getcwd shutdown strftime)
1747
1748 # Check this now, so that we will NOT find the above functions in ncurses.
1749 # That is because we have not set up to link ncurses in lib-src.
1750 # It's better to believe a function is not available
1751 # than to expect to find it in ncurses.
1752 AC_CHECK_LIB(ncurses, tparm)
1753
1754 # Solaris requires -lintl if you want strerror (which calls dgettext)
1755 # to return localized messages.
1756 AC_CHECK_LIB(intl, dgettext)
1757
1758 AC_MSG_CHECKING(whether localtime caches TZ)
1759 AC_CACHE_VAL(emacs_cv_localtime_cache,
1760 [if test x$ac_cv_func_tzset = xyes; then
1761 AC_TRY_RUN([#include <time.h>
1762 #if STDC_HEADERS
1763 # include <stdlib.h>
1764 #endif
1765 extern char **environ;
1766 unset_TZ ()
1767 {
1768   char **from, **to;
1769   for (to = from = environ; (*to = *from); from++)
1770     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1771       to++;
1772 }
1773 char TZ_GMT0[] = "TZ=GMT0";
1774 char TZ_PST8[] = "TZ=PST8";
1775 main()
1776 {
1777   time_t now = time ((time_t *) 0);
1778   int hour_GMT0, hour_unset;
1779   if (putenv (TZ_GMT0) != 0)
1780     exit (1);
1781   hour_GMT0 = localtime (&now)->tm_hour;
1782   unset_TZ ();
1783   hour_unset = localtime (&now)->tm_hour;
1784   if (putenv (TZ_PST8) != 0)
1785     exit (1);
1786   if (localtime (&now)->tm_hour == hour_GMT0)
1787     exit (1);
1788   unset_TZ ();
1789   if (localtime (&now)->tm_hour != hour_unset)
1790     exit (1);
1791   exit (0);
1792 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1793 [# If we have tzset, assume the worst when cross-compiling.
1794 emacs_cv_localtime_cache=yes])
1795 else
1796         # If we lack tzset, report that localtime does not cache TZ,
1797         # since we can't invalidate the cache if we don't have tzset.
1798         emacs_cv_localtime_cache=no
1799 fi])dnl
1800 AC_MSG_RESULT($emacs_cv_localtime_cache)
1801 if test $emacs_cv_localtime_cache = yes; then
1802   AC_DEFINE(LOCALTIME_CACHE)
1803 fi
1804
1805 if test "x$HAVE_TIMEVAL" = xyes; then
1806 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1807                emacs_cv_gettimeofday_two_arguments,
1808 AC_TRY_LINK([
1809 #ifdef TIME_WITH_SYS_TIME
1810 #include <sys/time.h>
1811 #include <time.h>
1812 #else
1813 #ifdef HAVE_SYS_TIME_H
1814 #include <sys/time.h>
1815 #else
1816 #include <time.h>
1817 #endif
1818 #endif
1819   ],
1820   [
1821   struct timeval time;
1822   struct timezone dummy;
1823   gettimeofday (&time, &dummy);
1824 ],
1825   emacs_cv_gettimeofday_two_arguments=yes,
1826   emacs_cv_gettimeofday_two_arguments=no))
1827   if test $emacs_cv_gettimeofday_two_arguments = no; then
1828     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1829   fi
1830 fi
1831
1832 ok_so_far=yes
1833 AC_CHECK_FUNC(socket, , ok_so_far=no)
1834 if test $ok_so_far = yes; then
1835   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1836 fi
1837 if test $ok_so_far = yes; then
1838   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1839 fi
1840 if test $ok_so_far = yes; then
1841   AC_DEFINE(HAVE_INET_SOCKETS)
1842 fi
1843
1844 if test -f /usr/lpp/X11/bin/smt.exp; then
1845   AC_DEFINE(HAVE_AIX_SMT_EXP)
1846 fi
1847
1848 # Set up the CFLAGS for real compilation, so we can substitute it.
1849 CFLAGS="$REAL_CFLAGS"
1850
1851 changequote(, )dnl
1852 #### Find out which version of Emacs this is.
1853 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1854          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1855 changequote([, ])dnl
1856 if test x"${version}" = x; then
1857   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1858 fi
1859
1860 ### Specify what sort of things we'll be editing into Makefile and config.h.
1861 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1862 AC_SUBST(version)
1863 AC_SUBST(configuration)
1864 AC_SUBST(canonical)
1865 AC_SUBST(srcdir)
1866 AC_SUBST(prefix)
1867 AC_SUBST(exec_prefix)
1868 AC_SUBST(bindir)
1869 AC_SUBST(datadir)
1870 AC_SUBST(sharedstatedir)
1871 AC_SUBST(libexecdir)
1872 AC_SUBST(mandir)
1873 AC_SUBST(infodir)
1874 AC_SUBST(lispdir)
1875 AC_SUBST(locallisppath)
1876 AC_SUBST(lisppath)
1877 AC_SUBST(x_default_search_path)
1878 AC_SUBST(etcdir)
1879 AC_SUBST(archlibdir)
1880 AC_SUBST(docdir)
1881 AC_SUBST(bitmapdir)
1882 AC_SUBST(c_switch_system)
1883 AC_SUBST(c_switch_machine)
1884 AC_SUBST(LD_SWITCH_X_SITE)
1885 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1886 AC_SUBST(C_SWITCH_X_SITE)
1887 AC_SUBST(CFLAGS)
1888 AC_SUBST(X_TOOLKIT_TYPE)
1889 AC_SUBST(machfile)
1890 AC_SUBST(opsysfile)
1891 AC_SUBST(RANLIB)
1892
1893 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1894 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1895 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1896 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1897 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1898 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1899 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1900 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1901
1902 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1903   AC_DEFINE(HAVE_X_WINDOWS)
1904 fi
1905 if test "${USE_X_TOOLKIT}" != "none" ; then
1906   AC_DEFINE(USE_X_TOOLKIT)
1907 fi
1908 if test "${HAVE_X11}" = "yes" ; then
1909   AC_DEFINE(HAVE_X11)
1910 fi
1911 if test "${HAVE_XFREE386}" = "yes" ; then
1912   AC_DEFINE(HAVE_XFREE386)
1913 fi
1914 if test "${HAVE_MENUS}" = "yes" ; then
1915   AC_DEFINE(HAVE_MENUS)
1916 fi
1917 if test "${GNU_MALLOC}" = "yes" ; then
1918   AC_DEFINE(GNU_MALLOC)
1919 fi
1920 if test "${REL_ALLOC}" = "yes" ; then
1921   AC_DEFINE(REL_ALLOC)
1922 fi
1923 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1924   AC_DEFINE(LISP_FLOAT_TYPE)
1925 fi
1926
1927 #### Report on what we decided to do.
1928 echo "
1929 Configured for \`${canonical}'.
1930
1931   Where should the build process find the source code?    ${srcdir}
1932   What operating system and machine description files should Emacs use?
1933         \`${opsysfile}' and \`${machfile}'
1934   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1935   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1936   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1937   What window system should Emacs use?                    ${window_system}
1938   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1939
1940 if test -n "${x_includes}"; then
1941 echo "  Where do we find X Windows header files?                ${x_includes}"
1942 else
1943 echo "  Where do we find X Windows header files?                Standard dirs"
1944 fi
1945 if test -n "${x_libraries}"; then
1946 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1947 else
1948 echo "  Where do we find X Windows libraries?                   Standard dirs"
1949 fi
1950
1951 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
1952 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
1953 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
1954 echo "  Does Emacs use -ltiff34?                                ${HAVE_TIFF}"
1955 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
1956 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
1957 echo
1958
1959 # Remove any trailing slashes in these variables.
1960 changequote(, )dnl
1961 test "${prefix}" != NONE &&
1962   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1963 test "${exec_prefix}" != NONE &&
1964   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1965 changequote([, ])dnl
1966
1967 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1968         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
1969         leim/Makefile, [
1970
1971 ### Make the necessary directories, if they don't exist.
1972 for dir in etc lisp ; do
1973   test -d ${dir} || mkdir ${dir}
1974 done
1975
1976 # Build src/Makefile from ${srcdir}/src/Makefile.c
1977 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1978 # This must be done after src/config.h is built, since we rely on that file.
1979
1980 changequote(, )dnl The horror, the horror.
1981 # Now get this: Some word that is part of the ${srcdir} directory name
1982 # or the ${configuration} value might, just might, happen to be an
1983 # identifier like `sun4' or `i386' or something, and be predefined by
1984 # the C preprocessor to some helpful value like 1, or maybe the empty
1985 # string.  Needless to say consequent macro substitutions are less
1986 # than conducive to the makefile finding the correct directory.
1987 undefs="`echo $top_srcdir $configuration $canonical |
1988 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1989     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1990 `"
1991 changequote([, ])dnl
1992
1993 echo creating src/epaths.h
1994 make epaths-force
1995
1996 echo creating lib-src/Makefile
1997 ( cd lib-src
1998   rm -f junk.c junk1.c junk2.c
1999   sed -e '/start of cpp stuff/q' \
2000       < Makefile.c > junk1.c
2001   sed -e '1,/start of cpp stuff/d'\
2002       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2003       < Makefile.c > junk.c
2004   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2005       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2006   cat junk1.c junk2.c > Makefile.new
2007   rm -f junk.c junk1.c junk2.c
2008   chmod 444 Makefile.new
2009   mv -f Makefile.new Makefile
2010 )
2011
2012 echo creating src/Makefile
2013 ( cd src
2014   rm -f junk.c junk1.c junk2.c
2015   sed -e '/start of cpp stuff/q' \
2016       < Makefile.c > junk1.c
2017   sed -e '1,/start of cpp stuff/d'\
2018       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2019       < Makefile.c > junk.c
2020   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2021       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2022   cat junk1.c junk2.c > Makefile.new
2023   rm -f junk.c junk1.c junk2.c
2024   chmod 444 Makefile.new
2025   mv -f Makefile.new Makefile
2026 )
2027
2028 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2029   echo creating src/.gdbinit
2030   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2031 fi
2032
2033 # This is how we know whether to re-run configure in certain cases.
2034 touch src/config.stamp
2035
2036 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])