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
  22 dnl  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23
  24 AC_PREREQ(2.8)dnl
  25 AC_INIT(src/lisp.h)
  26 AC_CONFIG_HEADER(src/config.h:src/config.in)
  27
  28 lispdir='${datadir}/emacs/${version}/lisp'
  29 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  30 '${datadir}/emacs/site-lisp'
  31 lisppath='${locallisppath}:${lispdir}'
  32 etcdir='${datadir}/emacs/${version}/etc'
  33 lockdir='${sharedstatedir}/emacs/lock'
  34 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  35 docdir='${datadir}/emacs/${version}/etc'
  36
  37 AC_ARG_WITH(gcc,
  38 [  --with-gcc              use GCC to compile Emacs])
  39 AC_ARG_WITH(pop,
  40 [  --with-pop              support POP for mail retrieval],
  41 [AC_DEFINE(MAIL_USE_POP)])
  42 AC_ARG_WITH(kerberos,
  43 [  --with-kerberos         support Kerberos-authenticated POP],
  44 [AC_DEFINE(KERBEROS)])
  45 AC_ARG_WITH(hesiod,
  46 [  --with-hesiod           support Hesiod to get the POP server host],
  47 [AC_DEFINE(HESIOD)])
  48 dnl This should be the last --with option, because --with-x is
  49 dnl added later on when we find the path of X, and it's best to
  50 dnl keep them together visually.
  51 AC_ARG_WITH(x-toolkit,
  52 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  53 [         case "${withval}" in
  54             y | ye | yes )      val=athena ;;
  55             n | no )            val=no  ;;
  56             l | lu | luc | luci | lucid )       val=lucid ;;
  57             a | at | ath | athe | athen | athena )      val=athena ;;
  58             m | mo | mot | moti | motif )       val=motif ;;
  59 dnl These don't currently work.
  60 dnl         o | op | ope | open | open- | open-l | open-lo \
  61 dnl             | open-loo | open-look )        val=open-look ;;
  62             * )
  63 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  64 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  65 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  66 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  67 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  68             ;;
  69           esac
  70           with_x_toolkit=$val
  71 ])
  72
  73 #### Make srcdir absolute, if it isn't already.  It's important to
  74 #### avoid running the path through pwd unnecessary, since pwd can
  75 #### give you automounter prefixes, which can go away.  We do all this
  76 #### so Emacs can find its files when run uninstalled.
  77 case "${srcdir}" in
  78   /* ) ;;
  79   . )
  80     ## We may be able to use the $PWD environment variable to make this
  81     ## absolute.  But sometimes PWD is inaccurate.
  82     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  83     CDPATH=
  84     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  85     then
  86       srcdir="$PWD"
  87     else
  88       srcdir="`(cd ${srcdir}; pwd)`"
  89     fi
  90   ;;
  91   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
  92 esac
  93
  94 #### Check if the source directory already has a configured system in it.
  95 if test `pwd` != `(cd ${srcdir} && pwd)` \
  96    && test -f "${srcdir}/src/config.h" ; then
  97   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
  98    as a build directory right now; it has been configured in its own
  99    right.  To configure in another directory as well, you MUST
 100    use GNU make.  If you do not have GNU make, then you must
 101    now do \`make distclean' in ${srcdir},
 102    and then run $0 again.])
 103
 104 changequote(, )dnl
 105   extrasub='/^VPATH[     ]*=/c\
 106 changequote([, ])dnl
 107 vpath %.c $(srcdir)\
 108 vpath %.h $(srcdir)\
 109 vpath %.y $(srcdir)\
 110 vpath %.l $(srcdir)\
 111 vpath %.s $(srcdir)\
 112 vpath %.in $(srcdir)\
 113 vpath %.texi $(srcdir)'
 114 fi
 115
 116 #### Given the configuration name, set machfile and opsysfile to the
 117 #### names of the m/*.h and s/*.h files we should use.
 118
 119 ### Canonicalize the configuration name.
 120
 121 AC_CANONICAL_HOST
 122 canonical=$host
 123 configuration=$host_alias
 124
 125 changequote(, )dnl
 126
 127 ### If you add support for a new configuration, add code to this
 128 ### switch statement to recognize your configuration name and select
 129 ### the appropriate operating system and machine description files.
 130
 131 ### You would hope that you could choose an m/*.h file pretty much
 132 ### based on the machine portion of the configuration name, and an s-
 133 ### file based on the operating system portion.  However, it turns out
 134 ### that each m/*.h file is pretty manufacturer-specific - for
 135 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 136 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 137 ### machines.  So we basically have to have a special case for each
 138 ### configuration name.
 139 ###
 140 ### As far as handling version numbers on operating systems is
 141 ### concerned, make sure things will fail in a fixable way.  If
 142 ### /etc/MACHINES doesn't say anything about version numbers, be
 143 ### prepared to handle anything reasonably.  If version numbers
 144 ### matter, be sure /etc/MACHINES says something about it.
 145 ###
 146 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 147 ### "System V Release 4"; he writes, "The old convention encouraged
 148 ### confusion between `system' and `release' levels'."
 149
 150 machine='' opsys='' unported=no
 151 case "${canonical}" in
 152
 153   ## NetBSD ports
 154   *-*-netbsd* )
 155     opsys=netbsd
 156     case "${canonical}" in
 157       i[3456]86-*-netbsd*) machine=intel386 ;;
 158       m68k-*-netbsd*)
 159                         # This is somewhat bogus.
 160                         machine=hp9000s300 ;;
 161       mips-*-netbsd*)   machine=pmax ;;
 162       ns32k-*-netbsd*)  machine=ns32000 ;;
 163       sparc-*-netbsd*)  machine=sparc ;;
 164     esac
 165   ;;
 166
 167   ## Acorn RISCiX:
 168   arm-acorn-riscix1.1* )
 169     machine=acorn opsys=riscix1-1
 170   ;;
 171   arm-acorn-riscix1.2* | arm-acorn-riscix )
 172     machine=acorn opsys=riscix1-2
 173   ;;
 174
 175   ## Alliant machines
 176   ## Strictly speaking, we need the version of the alliant operating
 177   ## system to choose the right machine file, but currently the
 178   ## configuration name doesn't tell us enough to choose the right
 179   ## one; we need to give alliants their own operating system name to
 180   ## do this right.  When someone cares, they can help us.
 181   fx80-alliant-* )
 182     machine=alliant4 opsys=bsd4-2
 183   ;;
 184   i860-alliant-* )
 185     machine=alliant-2800 opsys=bsd4-3
 186   ;;
 187
 188   ## Alpha (DEC) machines.
 189   alpha-dec-osf* )
 190     machine=alpha opsys=osf1
 191   ;;
 192
 193   alpha-*-linux-gnu* )
 194     machine=alpha opsys=gnu-linux
 195   ;;
 196
 197   ## Altos 3068
 198   m68*-altos-sysv* )
 199     machine=altos opsys=usg5-2
 200   ;;
 201
 202   ## Amdahl UTS
 203   580-amdahl-sysv* )
 204     machine=amdahl opsys=usg5-2-2
 205   ;;
 206
 207   ## Apollo, Domain/OS
 208   m68*-apollo-* )
 209     machine=apollo opsys=bsd4-3
 210   ;;
 211
 212   ## AT&T 3b2, 3b5, 3b15, 3b20
 213   we32k-att-sysv* )
 214     machine=att3b opsys=usg5-2-2
 215   ;;
 216
 217   ## AT&T 3b1 - The Mighty Unix PC!
 218   m68*-att-sysv* )
 219     machine=7300 opsys=usg5-2-2
 220   ;;
 221
 222   ## Bull dpx20
 223   rs6000-bull-bosx* )
 224     machine=ibmrs6000 opsys=aix3-2
 225   ;;
 226
 227   ## Bull dpx2
 228   m68*-bull-sysv3* )
 229     machine=dpx2 opsys=usg5-3
 230   ;;
 231
 232   ## Bull sps7
 233   m68*-bull-sysv2* )
 234     machine=sps7 opsys=usg5-2
 235   ;;
 236
 237   ## CCI 5/32, 6/32 -- see "Tahoe".
 238
 239   ## Celerity
 240   ## I don't know what configuration name to use for this; config.sub
 241   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 242   ## in touch with us!
 243   celerity-celerity-bsd* )
 244     machine=celerity opsys=bsd4-2
 245   ;;
 246
 247   ## Clipper
 248   ## What operating systems does this chip run that Emacs has been
 249   ## tested on?
 250   clipper-* )
 251     machine=clipper
 252     ## We'll use the catch-all code at the bottom to guess the
 253     ## operating system.
 254   ;;
 255
 256   ## Convex
 257   *-convex-bsd* | *-convex-convexos* )
 258     machine=convex opsys=bsd4-3
 259     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 260     NON_GNU_CPP="cc -E -P"
 261   ;;
 262
 263   ## Cubix QBx/386
 264   i[3456]86-cubix-sysv* )
 265     machine=intel386 opsys=usg5-3
 266   ;;
 267
 268   ## Cydra 5
 269   cydra*-cydrome-sysv* )
 270     machine=cydra5 opsys=usg5-3
 271   ;;
 272
 273   ## Data General AViiON Machines
 274   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 275     machine=aviion opsys=dgux5-4r3
 276   ;;
 277   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 278     machine=aviion opsys=dgux5-4r2
 279   ;;
 280   m88k-dg-dgux* )
 281     machine=aviion opsys=dgux
 282   ;;
 283
 284   ## DECstations
 285   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 286     machine=pmax opsys=bsd4-2
 287   ;;
 288   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 289     machine=pmax opsys=bsd4-3
 290   ;;
 291   mips-dec-ultrix* )
 292     machine=pmax opsys=ultrix4-3
 293   ;;
 294   mips-dec-osf* )
 295     machine=pmax opsys=osf1
 296   ;;
 297   mips-dec-mach_bsd4.3* )
 298     machine=pmax opsys=mach-bsd4-3
 299   ;;
 300
 301   ## Motorola Delta machines
 302   m68k-motorola-sysv* | m68000-motorola-sysv* )
 303     machine=delta opsys=usg5-3
 304     if test -z "`type gnucc | grep 'not found'`"
 305     then
 306       if test -s /etc/167config
 307       then CC="gnucc -m68040"
 308       else CC="gnucc -m68881"
 309       fi
 310     else
 311       if test -z "`type gcc | grep 'not found'`"
 312       then CC=gcc
 313       else CC=cc
 314       fi
 315     fi
 316   ;;
 317   m88k-motorola-sysv4* )
 318     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 319     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 320     # I hope there are not other 4.0 versions for this machine
 321     # which really need usg5-4 instead.
 322     machine=delta88k opsys=usg5-4-2
 323   ;;
 324   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 325     machine=delta88k opsys=usg5-3
 326   ;;
 327
 328   ## Dual machines
 329   m68*-dual-sysv* )
 330     machine=dual opsys=usg5-2
 331   ;;
 332   m68*-dual-uniplus* )
 333     machine=dual opsys=unipl5-2
 334   ;;
 335
 336   ## Elxsi 6400
 337   elxsi-elxsi-sysv* )
 338     machine=elxsi opsys=usg5-2
 339   ;;
 340
 341   ## Encore machines
 342   ns16k-encore-bsd* )
 343     machine=ns16000 opsys=umax
 344   ;;
 345
 346   ## The GEC 93 - apparently, this port isn't really finished yet.
 347
 348   ## Gould Power Node and NP1
 349   pn-gould-bsd4.2* )
 350     machine=gould opsys=bsd4-2
 351   ;;
 352   pn-gould-bsd4.3* )
 353     machine=gould opsys=bsd4-3
 354   ;;
 355   np1-gould-bsd* )
 356     machine=gould-np1 opsys=bsd4-3
 357   ;;
 358
 359   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 360   ## as far as Emacs is concerned).
 361   m88k-harris-cxux* )
 362     # Build needs to be different on 7.0 and later releases
 363     case "`uname -r`" in
 364        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 365        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 366     esac
 367     NON_GNU_CPP="/lib/cpp"
 368   ;;
 369   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 370   m68k-harris-cxux* )
 371     machine=nh3000 opsys=cxux
 372   ;;
 373   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 374   powerpc-harris-powerunix )
 375     machine=nh6000 opsys=powerunix
 376     NON_GNU_CPP="cc -Xo -E -P"
 377   ;;
 378
 379   ## Honeywell XPS100
 380   xps*-honeywell-sysv* )
 381     machine=xps100 opsys=usg5-2
 382   ;;
 383
 384   ## HP 9000 series 200 or 300
 385   m68*-hp-bsd* )
 386     machine=hp9000s300 opsys=bsd4-3
 387   ;;
 388   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 389   m68*-hp-hpux* )
 390     case "`uname -r`" in
 391       ## Someone's system reports A.B8.05 for this.
 392       ## I wonder what other possibilities there are.
 393       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 394       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 395       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 396       *.10.* ) machine=hp9000s300 opsys=hpux9shr ;;
 397       *) machine=hp9000s300 opsys=hpux ;;
 398     esac
 399   ;;
 400
 401   ## HP 9000 series 700 and 800, running HP/UX
 402   hppa*-hp-hpux7* )
 403     machine=hp800 opsys=hpux
 404   ;;
 405   hppa*-hp-hpux8* )
 406     machine=hp800 opsys=hpux8
 407   ;;
 408   hppa*-hp-hpux9shr* )
 409     machine=hp800 opsys=hpux9shr
 410   ;;
 411   hppa*-hp-hpux9* )
 412     machine=hp800 opsys=hpux9
 413   ;;
 414   hppa*-hp-hpux10* )
 415     machine=hp800 opsys=hpux10
 416   ;;
 417
 418   ## HP 9000 series 700 and 800, running HP/UX
 419   hppa*-hp-hpux* )
 420     ## Cross-compilation?  Nah!
 421     case "`uname -r`" in
 422       ## Someone's system reports A.B8.05 for this.
 423       ## I wonder what other possibilities there are.
 424       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 425       *.08.* ) machine=hp800 opsys=hpux8 ;;
 426       *.09.* ) machine=hp800 opsys=hpux9 ;;
 427       *) machine=hp800 opsys=hpux ;;
 428     esac
 429   ;;
 430   hppa-*-nextstep* )
 431     machine=hp800 opsys=nextstep
 432   ;;
 433
 434   ## Orion machines
 435   orion-orion-bsd* )
 436     machine=orion opsys=bsd4-2
 437   ;;
 438   clipper-orion-bsd* )
 439     machine=orion105 opsys=bsd4-2
 440   ;;
 441
 442   ## IBM machines
 443   i[3456]86-ibm-aix1.1* )
 444     machine=ibmps2-aix opsys=usg5-2-2
 445   ;;
 446   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 447     machine=ibmps2-aix opsys=usg5-3
 448   ;;
 449   i370-ibm-aix*)
 450     machine=ibm370aix opsys=usg5-3
 451   ;;
 452   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 453     machine=ibmrs6000 opsys=aix3-1
 454   ;;
 455   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 456     machine=ibmrs6000 opsys=aix3-2-5
 457   ;;
 458   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 459     machine=ibmrs6000 opsys=aix4-1
 460   ;;
 461   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 462     machine=ibmrs6000 opsys=aix4
 463   ;;
 464   rs6000-ibm-aix* | powerpc-ibm-aix* )
 465     machine=ibmrs6000 opsys=aix3-2
 466   ;;
 467   romp-ibm-bsd4.3* )
 468     machine=ibmrt opsys=bsd4-3
 469   ;;
 470   romp-ibm-bsd4.2* )
 471     machine=ibmrt opsys=bsd4-2
 472   ;;
 473   romp-ibm-aos4.3* )
 474     machine=ibmrt opsys=bsd4-3
 475   ;;
 476   romp-ibm-aos4.2* )
 477     machine=ibmrt opsys=bsd4-2
 478   ;;
 479   romp-ibm-aos* )
 480     machine=ibmrt opsys=bsd4-3
 481   ;;
 482   romp-ibm-bsd* )
 483     machine=ibmrt opsys=bsd4-3
 484   ;;
 485   romp-ibm-aix* )
 486     machine=ibmrt-aix opsys=usg5-2-2
 487   ;;
 488
 489   ## Integrated Solutions `Optimum V'
 490   m68*-isi-bsd4.2* )
 491     machine=isi-ov opsys=bsd4-2
 492   ;;
 493   m68*-isi-bsd4.3* )
 494     machine=isi-ov opsys=bsd4-3
 495   ;;
 496
 497   ## Intel 386 machines where we do care about the manufacturer
 498   i[3456]86-intsys-sysv* )
 499     machine=is386 opsys=usg5-2-2
 500   ;;
 501
 502   ## Prime EXL
 503   i[3456]86-prime-sysv* )
 504     machine=i386 opsys=usg5-3
 505   ;;
 506
 507   ## Sequent Symmetry running Dynix
 508   i[3456]86-sequent-bsd* )
 509     machine=symmetry opsys=bsd4-3
 510   ;;
 511
 512   ## Sequent Symmetry running DYNIX/ptx
 513   ## Use the old cpp rather than the newer ANSI one.
 514   i[3456]86-sequent-ptx* )
 515     machine=sequent-ptx opsys=ptx
 516     NON_GNU_CPP="/lib/cpp"
 517   ;;
 518
 519   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 520   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 521   i[3456]86-ncr-sysv* )
 522     machine=ncr386 opsys=usg5-4-2
 523   ;;
 524
 525   ## Intel Paragon OSF/1
 526   i860-intel-osf1* )
 527     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 528   ;;
 529
 530   ## Intel 860
 531   i860-*-sysv4* )
 532     machine=i860 opsys=usg5-4
 533     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 534     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 535   ;;
 536
 537   ## Masscomp machines
 538   m68*-masscomp-rtu* )
 539     machine=masscomp opsys=rtu
 540   ;;
 541
 542   ## Megatest machines
 543   m68*-megatest-bsd* )
 544     machine=mega68 opsys=bsd4-2
 545   ;;
 546
 547   ## Workstations sold by MIPS
 548   ## This is not necessarily all workstations using the MIPS processor -
 549   ## Irises are produced by SGI, and DECstations by DEC.
 550
 551   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 552   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 553   ## it gives for choosing between the alternatives seems to be "Use
 554   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 555   ## the BSD world."  I'll assume that these are instructions for
 556   ## handling two odd situations, and that every other situation
 557   ## should use mips.h and usg5-2-2, they being listed first.
 558   mips-mips-usg* )
 559     machine=mips4
 560     ## Fall through to the general code at the bottom to decide on the OS.
 561   ;;
 562   mips-mips-riscos4* )
 563     machine=mips4 opsys=bsd4-3
 564     NON_GNU_CC="cc -systype bsd43"
 565     NON_GNU_CPP="cc -systype bsd43 -E"
 566   ;;
 567   mips-mips-riscos5* )
 568     machine=mips4 opsys=riscos5
 569     NON_GNU_CC="cc -systype bsd43"
 570     NON_GNU_CPP="cc -systype bsd43 -E"
 571   ;;
 572   mips-mips-bsd* )
 573     machine=mips opsys=bsd4-3
 574   ;;
 575   mips-mips-* )
 576     machine=mips opsys=usg5-2-2
 577   ;;
 578
 579   ## NeXT
 580   m68*-next-* | m68k-*-nextstep* )
 581     machine=m68k opsys=nextstep
 582   ;;
 583
 584   ## The complete machine from National Semiconductor
 585   ns32k-ns-genix* )
 586     machine=ns32000 opsys=usg5-2
 587   ;;
 588
 589   ## NCR machines
 590   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 591     machine=tower32 opsys=usg5-2-2
 592   ;;
 593   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 594     machine=tower32v3 opsys=usg5-3
 595   ;;
 596
 597   ## Nixdorf Targon 31
 598   m68*-nixdorf-sysv* )
 599     machine=targon31 opsys=usg5-2-2
 600   ;;
 601
 602   ## Nu (TI or LMI)
 603   m68*-nu-sysv* )
 604     machine=nu opsys=usg5-2
 605   ;;
 606
 607   ## Plexus
 608   m68*-plexus-sysv* )
 609     machine=plexus opsys=usg5-2
 610   ;;
 611
 612   ## Pyramid machines
 613   ## I don't really have any idea what sort of processor the Pyramid has,
 614   ## so I'm assuming it is its own architecture.
 615   pyramid-pyramid-bsd* )
 616     machine=pyramid opsys=bsd4-2
 617   ;;
 618
 619   ## Sequent Balance
 620   ns32k-sequent-bsd4.2* )
 621     machine=sequent opsys=bsd4-2
 622   ;;
 623   ns32k-sequent-bsd4.3* )
 624     machine=sequent opsys=bsd4-3
 625   ;;
 626
 627   ## Siemens Nixdorf
 628   mips-siemens-sysv* | mips-sni-sysv*)
 629     machine=mips-siemens opsys=usg5-4
 630     NON_GNU_CC=/usr/ccs/bin/cc
 631     NON_GNU_CPP=/usr/ccs/lib/cpp
 632   ;;
 633
 634   ## Silicon Graphics machines
 635   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 636   m68*-sgi-iris3.5* )
 637     machine=irist opsys=iris3-5
 638   ;;
 639   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 640     machine=irist opsys=iris3-6
 641   ;;
 642   ## Iris 4D
 643   mips-sgi-irix3* )
 644     machine=iris4d opsys=irix3-3
 645   ;;
 646   mips-sgi-irix4* )
 647     machine=iris4d opsys=irix4-0
 648   ;;
 649   mips-sgi-irix6* )
 650     machine=iris4d opsys=irix6-0  NON_GNU_CPP=/lib/cpp
 651   ;;
 652   mips-sgi-irix5.[01]* )
 653     machine=iris4d opsys=irix5-0
 654   ;;
 655   mips-sgi-irix5* | mips-sgi-irix* )
 656     machine=iris4d opsys=irix5-2
 657   ;;
 658
 659   ## SONY machines
 660   m68*-sony-bsd4.2* )
 661     machine=news opsys=bsd4-2
 662   ;;
 663   m68*-sony-bsd4.3* )
 664     machine=news opsys=bsd4-3
 665   ;;
 666   m68*-sony-newsos3* | m68*-sony-news3*)
 667     machine=news opsys=bsd4-3
 668   ;;
 669   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 670     machine=news-risc opsys=bsd4-3
 671   ;;
 672   mips-sony-news* )
 673     machine=news-risc opsys=newsos5
 674   ;;
 675
 676   ## Stride
 677   m68*-stride-sysv* )
 678     machine=stride opsys=usg5-2
 679   ;;
 680
 681   ## Suns
 682   sparc-*-linux-gnu* )
 683     machine=sparc opsys=gnu-linux
 684   ;;
 685
 686   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 687     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 688     | rs6000-*-solaris2*)
 689     case "${canonical}" in
 690       m68*-sunos1* )    machine=sun1 ;;
 691       m68*-sunos2* )    machine=sun2 ;;
 692       m68* )            machine=sun3 ;;
 693       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 694       i[3456]86-*-* )     machine=intel386 ;;
 695       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 696       sparc* )          machine=sparc ;;
 697       * )               unported=yes ;;
 698     esac
 699     case "${canonical}" in
 700       ## The Sun386 didn't get past 4.0.
 701       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 702       *-sunos4.0*         ) opsys=sunos4-0 ;;
 703       *-sunos4.1.[3-9]* | *-sunos4shr*)
 704                 opsys=sunos4shr
 705                 NON_GNU_CPP=/usr/lib/cpp
 706                 ;;
 707       *-sunos4.1.[3-9]*noshare )
 708                 opsys=sunos4-1-3
 709                 NON_GNU_CPP=/usr/lib/cpp
 710                 NON_GCC_TEST_OPTIONS=-Bstatic
 711                 GCC_TEST_OPTIONS=-static
 712                 ;;
 713       *-sunos4* | *-sunos )
 714                 opsys=sunos4-1
 715                 NON_GCC_TEST_OPTIONS=-Bstatic
 716                 GCC_TEST_OPTIONS=-static
 717                 ;;
 718       *-sunos5.3* | *-solaris2.3* )
 719                 opsys=sol2-3
 720                 NON_GNU_CPP=/usr/ccs/lib/cpp
 721                 ;;
 722       *-sunos5.4* | *-solaris2.4* )
 723                 opsys=sol2-4
 724                 NON_GNU_CPP=/usr/ccs/lib/cpp
 725                 RANLIB="ar -ts"
 726                 ;;
 727       *-sunos5.5* | *-solaris2.5* )
 728                 opsys=sol2-5
 729                 NON_GNU_CPP=/usr/ccs/lib/cpp
 730                 RANLIB="ar -ts"
 731                 ;;
 732       *-sunos5* | *-solaris* )
 733                 opsys=sol2-4
 734                 NON_GNU_CPP=/usr/ccs/lib/cpp
 735                 ;;
 736       *                   ) opsys=bsd4-2   ;;
 737     esac
 738     ## Watch out for a compiler that we know will not work.
 739     case "${canonical}" in
 740      *-solaris* | *-sunos5* )
 741                 if [ "x$CC" = x/usr/ucb/cc ]; then
 742                   ## /usr/ucb/cc doesn't work;
 743                   ## we should find some other compiler that does work.
 744                   unset CC
 745                 fi
 746                 ;;
 747       *) ;;
 748     esac
 749   ;;
 750   sparc-*-nextstep* )
 751     machine=sparc opsys=nextstep
 752   ;;
 753
 754   ## Tadpole 68k
 755   m68*-tadpole-sysv* )
 756     machine=tad68k opsys=usg5-3
 757   ;;
 758
 759   ## Tahoe machines
 760   tahoe-tahoe-bsd4.2* )
 761     machine=tahoe opsys=bsd4-2
 762   ;;
 763   tahoe-tahoe-bsd4.3* )
 764     machine=tahoe opsys=bsd4-3
 765   ;;
 766
 767   ## Tandem Integrity S2
 768   mips-tandem-sysv* )
 769     machine=tandem-s2 opsys=usg5-3
 770   ;;
 771
 772   ## Tektronix XD88
 773   m88k-tektronix-sysv3* )
 774   machine=tekxd88 opsys=usg5-3
 775   ;;
 776
 777   ## Tektronix 16000 box (6130?)
 778   ns16k-tektronix-bsd* )
 779     machine=ns16000 opsys=bsd4-2
 780   ;;
 781   ## Tektronix 4300
 782   ## src/m/tek4300.h hints that this is a m68k machine.
 783   m68*-tektronix-bsd* )
 784     machine=tek4300 opsys=bsd4-3
 785   ;;
 786
 787   ## Titan P2 or P3
 788   ## We seem to have lost the machine-description file titan.h!
 789   titan-titan-sysv* )
 790     machine=titan opsys=usg5-3
 791   ;;
 792
 793   ## Ustation E30 (SS5E)
 794   m68*-unisys-uniplus* )
 795     machine=ustation opsystem=unipl5-2
 796   ;;
 797
 798   ## Vaxen.
 799   vax-dec-* )
 800     machine=vax
 801     case "${canonical}" in
 802       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 803       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 804       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 805       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 806       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 807       *-vms* )                                          opsys=vms ;;
 808       * )                                               unported=yes
 809     esac
 810   ;;
 811
 812   ## Whitechapel MG1
 813   ns16k-whitechapel-* )
 814     machine=mg1
 815     ## We don't know what sort of OS runs on these; we'll let the
 816     ## operating system guessing code below try.
 817   ;;
 818
 819   ## Wicat
 820   m68*-wicat-sysv* )
 821     machine=wicat opsys=usg5-2
 822   ;;
 823
 824   ## Intel 386 machines where we don't care about the manufacturer
 825   i[3456]86-*-* )
 826     machine=intel386
 827     case "${canonical}" in
 828       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 829       *-isc2.2* )               opsys=isc2-2 ;;
 830       *-isc4.0* )               opsys=isc4-0 ;;
 831       *-isc4.* )                opsys=isc4-1
 832                                 GCC_TEST_OPTIONS=-posix
 833                                 NON_GCC_TEST_OPTIONS=-Xp
 834                                 ;;
 835       *-isc* )                  opsys=isc3-0 ;;
 836       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 837       *-esix* )                 opsys=esix ;;
 838       *-xenix* )                opsys=xenix ;;
 839       *-linux-gnu* )            opsys=gnu-linux ;;
 840       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 841       *-sco3.2v5* )             opsys=sco5
 842                                 NON_GNU_CPP=/lib/cpp
 843                                 # Prevent -belf from being passed to $CPP.
 844                                 # /lib/cpp does not accept it.
 845                                 OVERRIDE_CPPFLAGS=
 846                                 ;;
 847       *-bsd386* | *-bsdi1* )    opsys=bsd386 ;;
 848       *-bsdi2* )                opsys=bsdos2 ;;
 849       *-386bsd* )               opsys=386bsd ;;
 850       *-freebsd* )              opsys=freebsd ;;
 851       *-nextstep* )             opsys=nextstep ;;
 852       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 853     esac
 854   ;;
 855
 856   ## Linux/68k-based GNU system
 857   m68k-*-linux-gnu* )
 858     machine=m68k opsys=gnu-linux
 859   ;;
 860
 861   * )
 862     unported=yes
 863   ;;
 864 esac
 865
 866 ### If the code above didn't choose an operating system, just choose
 867 ### an operating system based on the configuration name.  You really
 868 ### only want to use this when you have no idea what the right
 869 ### operating system is; if you know what operating systems a machine
 870 ### runs, it's cleaner to make it explicit in the case statement
 871 ### above.
 872 if test x"${opsys}" = x; then
 873   case "${canonical}" in
 874     *-gnu* )                            opsys=gnu ;;
 875     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 876     *-bsd4.2 )                          opsys=bsd4-2 ;;
 877     *-bsd4.3 )                          opsys=bsd4-3 ;;
 878     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 879     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 880     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 881     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 882     *-sysv4.1* | *-sysvr4.1* )
 883         NON_GNU_CPP=/usr/lib/cpp
 884         opsys=usg5-4 ;;
 885     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 886         if [ x$NON_GNU_CPP = x ]; then
 887           if [ -f /usr/ccs/lib/cpp ]; then
 888             NON_GNU_CPP=/usr/ccs/lib/cpp
 889           else
 890             NON_GNU_CPP=/lib/cpp
 891           fi
 892         fi
 893         opsys=usg5-4-2 ;;
 894     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 895     * )
 896       unported=yes
 897     ;;
 898   esac
 899 fi
 900
 901 if test "x$RANLIB" = x; then
 902   RANLIB=ranlib
 903 fi
 904
 905 changequote([, ])dnl
 906
 907 if test $unported = yes; then
 908   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
 909 Check \`etc/MACHINES' for recognized configuration names.])
 910 fi
 911
 912 machfile="m/${machine}.h"
 913 opsysfile="s/${opsys}.h"
 914
 915
 916 #### Choose a compiler.
 917 test -n "$CC" && cc_specified=yes
 918
 919 # Save the value of CFLAGS that the user specified.
 920 SPECIFIED_CFLAGS="$CFLAGS"
 921
 922 case ${with_gcc} in
 923   "yes" ) CC="gcc" GCC=yes ;;
 924   "no"  ) : ${CC=cc} ;;
 925   * ) AC_PROG_CC
 926 esac
 927
 928 # On Suns, sometimes $CPP names a directory.
 929 if test -n "$CPP" && test -d "$CPP"; then
 930   CPP=
 931 fi
 932
 933 #### Some systems specify a CPP to use unless we are using GCC.
 934 #### Now that we know whether we are using GCC, we can decide whether
 935 #### to use that one.
 936 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 937 then
 938   CPP="$NON_GNU_CPP"
 939 fi
 940
 941 #### Some systems specify a CC to use unless we are using GCC.
 942 #### Now that we know whether we are using GCC, we can decide whether
 943 #### to use that one.
 944 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 945   test x$cc_specified != xyes
 946 then
 947   CC="$NON_GNU_CC"
 948 fi
 949
 950 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
 951 then
 952   CC="$CC $GCC_TEST_OPTIONS"
 953 fi
 954
 955 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
 956 then
 957   CC="$CC $NON_GCC_TEST_OPTIONS"
 958 fi
 959
 960 #### Some other nice autoconf tests.  If you add a test here which
 961 #### should make an entry in src/config.h, don't forget to add an
 962 #### #undef clause to src/config.h.in for autoconf to modify.
 963
 964 dnl checks for programs
 965 AC_PROG_LN_S
 966 AC_PROG_CPP
 967 AC_PROG_INSTALL
 968 AC_PROG_YACC
 969
 970 dnl checks for Unix variants
 971 AC_AIX
 972
 973 dnl checks for header files
 974 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h)
 975 AC_HEADER_STDC
 976 AC_HEADER_TIME
 977 AC_DECL_SYS_SIGLIST
 978
 979 dnl Some systems have utime.h but don't declare the struct anyplace.
 980 AC_MSG_CHECKING(for struct utimbuf)
 981 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
 982 #include <sys/time.h>
 983 #include <time.h>
 984 #else
 985 #ifdef HAVE_SYS_TIME_H
 986 #include <sys/time.h>
 987 #else
 988 #include <time.h>
 989 #endif
 990 #endif
 991 #ifdef HAVE_UTIME_H
 992 #include <utime.h>
 993 #endif], [static struct utimbuf x; x.actime = x.modtime;],
 994   [AC_MSG_RESULT(yes)
 995    AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
 996   AC_MSG_RESULT(no))
 997
 998 dnl checks for typedefs
 999 AC_TYPE_SIGNAL
1000
1001 AC_MSG_CHECKING(for struct timeval)
1002 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1003 #include <sys/time.h>
1004 #include <time.h>
1005 #else
1006 #ifdef HAVE_SYS_TIME_H
1007 #include <sys/time.h>
1008 #else
1009 #include <time.h>
1010 #endif
1011 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1012   [AC_MSG_RESULT(yes)
1013    HAVE_TIMEVAL=yes
1014    AC_DEFINE(HAVE_TIMEVAL)],
1015   [AC_MSG_RESULT(no)
1016    HAVE_TIMEVAL=no])
1017
1018 dnl checks for structure members
1019 AC_STRUCT_TM
1020 AC_STRUCT_TIMEZONE
1021
1022 dnl checks for compiler characteristics
1023 AC_C_CONST
1024
1025 dnl check for Make feature
1026 AC_PROG_MAKE_SET
1027
1028 dnl checks for operating system services
1029 AC_SYS_LONG_FILE_NAMES
1030
1031 #### Choose a window system.
1032
1033 AC_PATH_X
1034 if test "$no_x" = yes; then
1035   window_system=none
1036 else
1037   window_system=x11
1038 fi
1039
1040 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1041   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1042   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1043 fi
1044 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1045   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1046 fi
1047
1048 if test x"${x_includes}" = x; then
1049   bitmapdir=/usr/include/X11/bitmaps
1050 else
1051   # accumulate include directories that have X11 bitmap subdirectories
1052   bmd_acc="dummyval"
1053   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1054     if test -d "${bmd}/X11/bitmaps"; then
1055       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1056     elif test -d "${bmd}/bitmaps"; then
1057       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1058     fi
1059   done
1060   if test ${bmd_acc} != "dummyval"; then
1061     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1062   fi
1063 fi
1064
1065 case "${window_system}" in
1066   x11 )
1067     HAVE_X_WINDOWS=yes
1068     HAVE_X11=yes
1069     case "${with_x_toolkit}" in
1070       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1071       motif ) USE_X_TOOLKIT=MOTIF ;;
1072 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1073       no ) USE_X_TOOLKIT=none ;;
1074 dnl If user did not say whether to use a toolkit,
1075 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1076       * ) USE_X_TOOLKIT=maybe ;;
1077     esac
1078   ;;
1079   none )
1080     HAVE_X_WINDOWS=no
1081     HAVE_X11=no
1082     USE_X_TOOLKIT=none
1083   ;;
1084 esac
1085
1086 ### If we're using X11, we should use the X menu package.
1087 HAVE_MENUS=no
1088 case ${HAVE_X11} in
1089   yes ) HAVE_MENUS=yes ;;
1090 esac
1091
1092 if test "${opsys}" = "hpux9"; then
1093   case "${x_libraries}" in
1094     *X11R4* )
1095       opsysfile="s/hpux9-x11r4.h"
1096       ;;
1097   esac
1098 fi
1099
1100 if test "${opsys}" = "hpux9shr"; then
1101   case "${x_libraries}" in
1102     *X11R4* )
1103       opsysfile="s/hpux9shxr4.h"
1104       ;;
1105   esac
1106 fi
1107
1108 #### Extract some information from the operating system and machine files.
1109
1110 AC_CHECKING([the machine- and system-dependent files to find out
1111  - which libraries the lib-src programs will want, and
1112  - whether the GNU malloc routines are usable])
1113
1114 ### First figure out CFLAGS (which we use for running the compiler here)
1115 ### and REAL_CFLAGS (which we use for real compilation).
1116 ### The two are the same except on a few systems, where they are made
1117 ### different to work around various lossages.  For example,
1118 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1119 ### as implying static linking.
1120
1121 ### If the CFLAGS env var is specified, we use that value
1122 ### instead of the default.
1123
1124 ### It's not important that this name contain the PID; you can't run
1125 ### two configures in the same directory and have anything work
1126 ### anyway.
1127 tempcname="conftest.c"
1128
1129 echo '
1130 #include "'${srcdir}'/src/'${opsysfile}'"
1131 #include "'${srcdir}'/src/'${machfile}'"
1132 #ifndef LIBS_MACHINE
1133 #define LIBS_MACHINE
1134 #endif
1135 #ifndef LIBS_SYSTEM
1136 #define LIBS_SYSTEM
1137 #endif
1138 #ifndef C_SWITCH_SYSTEM
1139 #define C_SWITCH_SYSTEM
1140 #endif
1141 #ifndef C_SWITCH_MACHINE
1142 #define C_SWITCH_MACHINE
1143 #endif
1144 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1145 configure___ c_switch_system=C_SWITCH_SYSTEM
1146 configure___ c_switch_machine=C_SWITCH_MACHINE
1147
1148 #ifndef LIB_X11_LIB
1149 #define LIB_X11_LIB -lX11
1150 #endif
1151
1152 #ifndef LIBX11_MACHINE
1153 #define LIBX11_MACHINE
1154 #endif
1155
1156 #ifndef LIBX11_SYSTEM
1157 #define LIBX11_SYSTEM
1158 #endif
1159 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1160
1161 #ifdef UNEXEC
1162 configure___ unexec=UNEXEC
1163 #else
1164 configure___ unexec=unexec.o
1165 #endif
1166
1167 #ifdef SYSTEM_MALLOC
1168 configure___ system_malloc=yes
1169 #else
1170 configure___ system_malloc=no
1171 #endif
1172
1173 #ifndef C_DEBUG_SWITCH
1174 #define C_DEBUG_SWITCH -g
1175 #endif
1176
1177 #ifndef C_OPTIMIZE_SWITCH
1178 #define C_OPTIMIZE_SWITCH -O
1179 #endif
1180
1181 #ifdef THIS_IS_CONFIGURE
1182
1183 /* Get the CFLAGS for tests in configure.  */
1184 #ifdef __GNUC__
1185 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1186 #else
1187 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1188 #endif
1189
1190 #else /* not THIS_IS_CONFIGURE */
1191
1192 /* Get the CFLAGS for real compilation.  */
1193 #ifdef __GNUC__
1194 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1195 #else
1196 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1197 #endif
1198
1199 #endif /* not THIS_IS_CONFIGURE */
1200 ' > ${tempcname}
1201
1202 # The value of CPP is a quoted variable reference, so we need to do this
1203 # to get its actual value...
1204 CPP=`eval "echo $CPP"`
1205 changequote(, )dnl
1206 eval `${CPP} -Isrc ${tempcname} \
1207        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1208 if test "x$SPECIFIED_CFLAGS" = x; then
1209   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1210          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1211 else
1212   REAL_CFLAGS="$CFLAGS"
1213 fi
1214 changequote([, ])dnl
1215 rm ${tempcname}
1216
1217 ### Compute the unexec source name from the object name.
1218 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1219
1220 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1221 # Assume not, until told otherwise.
1222 GNU_MALLOC=yes
1223 if test "${system_malloc}" = "yes"; then
1224   GNU_MALLOC=no
1225   GNU_MALLOC_reason="
1226   (The GNU allocators don't work with this system configuration.)"
1227 fi
1228
1229 if test x"${REL_ALLOC}" = x; then
1230   REL_ALLOC=${GNU_MALLOC}
1231 fi
1232
1233 LISP_FLOAT_TYPE=yes
1234
1235
1236 #### Add the libraries to LIBS and check for some functions.
1237
1238 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1239   CPPFLAGS="$(OVERRIDE_CPPFLAGS)"
1240 else
1241   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1242 fi
1243
1244 LIBS="$libsrc_libs $LIBS"
1245
1246 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1247 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1248 AC_CHECK_LIB(dnet, dnet_ntoa)
1249 dnl This causes -lresolv to get used in subsequent tests,
1250 dnl which causes failures on some systems such as HPUX 9.
1251 dnl AC_CHECK_LIB(resolv, gethostbyname)
1252
1253 dnl FIXME replace main with a function we actually want from this library.
1254 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1255
1256 AC_CHECK_LIB(pthreads, cma_open)
1257
1258 AC_MSG_CHECKING(for XFree86)
1259 if test -d /usr/X386/include; then
1260   HAVE_XFREE386=yes
1261   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1262 else
1263   HAVE_XFREE386=no
1264 fi
1265 AC_MSG_RESULT($HAVE_XFREE386)
1266
1267 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1268 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1269
1270 if test "${HAVE_X11}" = "yes"; then
1271   DEFS="$C_SWITCH_X_SITE $DEFS"
1272   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1273   LIBS="$LIBX $LIBS"
1274   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1275
1276   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1277   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1278   # but it's more convenient here to set LD_RUN_PATH
1279   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1280   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1281     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1282     export LD_RUN_PATH
1283   fi
1284
1285   if test "${opsys}" = "gnu-linux"; then
1286     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1287     AC_TRY_LINK([],
1288      [XOpenDisplay ("foo");],
1289      [xlinux_first_failure=no],
1290      [xlinux_first_failure=yes])
1291     if test "${xlinux_first_failure}" = "yes"; then
1292       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1293       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1294       OLD_CPPFLAGS="$CPPFLAGS"
1295       OLD_LIBS="$LIBS"
1296       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1297       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1298       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1299       LIBS="$LIBS -b i486-linuxaout"
1300       AC_TRY_LINK([],
1301        [XOpenDisplay ("foo");],
1302        [xlinux_second_failure=no],
1303        [xlinux_second_failure=yes])
1304       if test "${xlinux_second_failure}" = "yes"; then
1305         # If we get the same failure with -b, there is no use adding -b.
1306         # So take it out.  This plays safe.
1307         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1308         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1309         CPPFLAGS="$OLD_CPPFLAGS"
1310         LIBS="$OLD_LIBS"
1311         AC_MSG_RESULT(no)
1312       else
1313         AC_MSG_RESULT(yes)
1314       fi
1315     else
1316       AC_MSG_RESULT(no)
1317     fi
1318   fi
1319
1320   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1321 XScreenNumberOfScreen XSetWMProtocols)
1322 fi
1323
1324 if test "${window_system}" = "x11"; then
1325   AC_MSG_CHECKING(X11 version 6)
1326   AC_TRY_LINK([#include <X11/Xlib.h>],
1327 [#if XlibSpecificationRelease < 6
1328 fail;
1329 #endif
1330 ], [AC_MSG_RESULT(6 or newer)
1331     AC_DEFINE(HAVE_X11R6)],
1332    [AC_MSG_RESULT(before 6)])
1333 fi
1334
1335 if test "${window_system}" = "x11"; then
1336   AC_MSG_CHECKING(X11 version 5)
1337   AC_TRY_LINK([#include <X11/Xlib.h>],
1338 [#if XlibSpecificationRelease < 5
1339 fail;
1340 #endif
1341 ], [AC_MSG_RESULT(5 or newer)
1342     HAVE_X11R5=yes
1343     AC_DEFINE(HAVE_X11R5)],
1344    [
1345     HAVE_X11R5=no
1346     AC_MSG_RESULT(before 5)])
1347 fi
1348
1349 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1350   if test x"${HAVE_X11R5}" = xyes; then
1351     AC_MSG_CHECKING(X11 version 5 with Xaw)
1352     AC_TRY_LINK([
1353           #include <X11/Intrinsic.h>
1354           #include <X11/Xaw/Simple.h>],
1355       [],
1356       [AC_MSG_RESULT(5 or newer, with Xaw; use toolkit by default)
1357        USE_X_TOOLKIT=LUCID],
1358       [AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1359        USE_X_TOOLKIT=none])
1360   else
1361     USE_X_TOOLKIT=none
1362   fi
1363 fi
1364
1365 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1366
1367 if test "${USE_X_TOOLKIT}" != "none"; then
1368   AC_MSG_CHECKING(X11 toolkit version)
1369   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1370 [#if XtSpecificationRelease < 6
1371 fail;
1372 #endif
1373 ], [AC_MSG_RESULT(6 or newer)
1374     HAVE_X11XTR6=yes
1375     AC_DEFINE(HAVE_X11XTR6)],
1376    [AC_MSG_RESULT(before 6)
1377     HAVE_X11XTR6=no])
1378
1379 dnl If using toolkit, check whether libXmu.a exists.
1380 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1381   OLDLIBS="$LIBS"
1382   if test x$HAVE_X11XTR6 = xyes; then
1383     LIBS="-lXt -lSM -lICE $LIBS"
1384   else
1385     LIBS="-lXt $LIBS"
1386   fi
1387   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1388   LIBS="$OLDLIBS"
1389 fi
1390
1391 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1392 AC_MSG_CHECKING(whether netdb declares h_errno)
1393 AC_TRY_LINK([#include <netdb.h>],
1394   [return h_errno;],
1395   [AC_MSG_RESULT(yes)
1396    AC_DEFINE(HAVE_H_ERRNO)],
1397   [AC_MSG_RESULT(no)])
1398
1399 AC_FUNC_ALLOCA
1400
1401 # fmod, logb, and frexp are found in -lm on most systems.
1402 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1403 AC_CHECK_LIB(m, sqrt)
1404
1405 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1406 random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
1407 strerror fpathconf select mktime eaccess getpagesize tzset setlocale)
1408
1409 # Check this now, so that we will NOT find the above functions in ncurses.
1410 # That is because we have not set up to link ncurses in lib-src.
1411 # It's better to believe a function is not available
1412 # than to expect to find it in ncurses.
1413 AC_CHECK_LIB(ncurses, tparm)
1414
1415 AC_MSG_CHECKING(whether localtime caches TZ)
1416 AC_CACHE_VAL(emacs_cv_localtime_cache,
1417 [if test x$ac_cv_func_tzset = xyes; then
1418 AC_TRY_RUN([#include <time.h>
1419 #if STDC_HEADERS
1420 # include <stdlib.h>
1421 #endif
1422 extern char **environ;
1423 unset_TZ ()
1424 {
1425   char **from, **to;
1426   for (to = from = environ; (*to = *from); from++)
1427     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1428       to++;
1429 }
1430 main()
1431 {
1432   time_t now = time ((time_t *) 0);
1433   int hour_GMT0, hour_unset;
1434   if (putenv ("TZ=GMT0") != 0)
1435     exit (1);
1436   hour_GMT0 = localtime (&now)->tm_hour;
1437   unset_TZ ();
1438   hour_unset = localtime (&now)->tm_hour;
1439   if (putenv ("TZ=PST8") != 0)
1440     exit (1);
1441   if (localtime (&now)->tm_hour == hour_GMT0)
1442     exit (1);
1443   unset_TZ ();
1444   if (localtime (&now)->tm_hour != hour_unset)
1445     exit (1);
1446   exit (0);
1447 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1448 [# If we have tzset, assume the worst when cross-compiling.
1449 emacs_cv_localtime_cache=yes])
1450 else
1451         # If we lack tzset, report that localtime does not cache TZ,
1452         # since we can't invalidate the cache if we don't have tzset.
1453         emacs_cv_localtime_cache=no
1454 fi])dnl
1455 AC_MSG_RESULT($emacs_cv_localtime_cache)
1456 if test $emacs_cv_localtime_cache = yes; then
1457   AC_DEFINE(LOCALTIME_CACHE)
1458 fi
1459
1460 if test "x$HAVE_TIMEVAL" = xyes; then
1461 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1462 AC_TRY_LINK([
1463 #ifdef TIME_WITH_SYS_TIME
1464 #include <sys/time.h>
1465 #include <time.h>
1466 #else
1467 #ifdef HAVE_SYS_TIME_H
1468 #include <sys/time.h>
1469 #else
1470 #include <time.h>
1471 #endif
1472 #endif
1473   ],
1474   [
1475   struct timeval time;
1476   struct timezone dummy;
1477   gettimeofday (&time, &dummy);
1478 ],
1479   [AC_MSG_RESULT(no)],
1480   [AC_MSG_RESULT(yes)
1481    AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1482 fi
1483
1484 ok_so_far=yes
1485 AC_CHECK_FUNC(socket, , ok_so_far=no)
1486 if test $ok_so_far = yes; then
1487   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1488 fi
1489 if test $ok_so_far = yes; then
1490   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1491 fi
1492 if test $ok_so_far = yes; then
1493   AC_DEFINE(HAVE_INET_SOCKETS)
1494 fi
1495
1496 if test -f /usr/lpp/X11/bin/smt.exp; then
1497   AC_DEFINE(HAVE_AIX_SMT_EXP)
1498 fi
1499
1500 # Set up the CFLAGS for real compilation, so we can substitute it.
1501 CFLAGS="$REAL_CFLAGS"
1502
1503 changequote(, )dnl
1504 #### Find out which version of Emacs this is.
1505 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1506          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1507 changequote([, ])dnl
1508 if test x"${version}" = x; then
1509   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1510 fi
1511
1512 ### Specify what sort of things we'll be editing into Makefile and config.h.
1513 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1514 AC_SUBST(version)
1515 AC_SUBST(configuration)
1516 AC_SUBST(canonical)
1517 AC_SUBST(srcdir)
1518 AC_SUBST(prefix)
1519 AC_SUBST(exec_prefix)
1520 AC_SUBST(bindir)
1521 AC_SUBST(datadir)
1522 AC_SUBST(sharedstatedir)
1523 AC_SUBST(libexecdir)
1524 AC_SUBST(mandir)
1525 AC_SUBST(infodir)
1526 AC_SUBST(lispdir)
1527 AC_SUBST(locallisppath)
1528 AC_SUBST(lisppath)
1529 AC_SUBST(etcdir)
1530 AC_SUBST(lockdir)
1531 AC_SUBST(archlibdir)
1532 AC_SUBST(docdir)
1533 AC_SUBST(bitmapdir)
1534 AC_SUBST(c_switch_system)
1535 AC_SUBST(c_switch_machine)
1536 AC_SUBST(LD_SWITCH_X_SITE)
1537 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1538 AC_SUBST(C_SWITCH_X_SITE)
1539 AC_SUBST(CFLAGS)
1540 AC_SUBST(X_TOOLKIT_TYPE)
1541 AC_SUBST(machfile)
1542 AC_SUBST(opsysfile)
1543 AC_SUBST(RANLIB)
1544
1545 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1546 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1547 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1548 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1549 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1550 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1551 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1552 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1553
1554 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1555   AC_DEFINE(HAVE_X_WINDOWS)
1556 fi
1557 if test "${USE_X_TOOLKIT}" != "none" ; then
1558   AC_DEFINE(USE_X_TOOLKIT)
1559 fi
1560 if test "${HAVE_X11}" = "yes" ; then
1561   AC_DEFINE(HAVE_X11)
1562 fi
1563 if test "${HAVE_XFREE386}" = "yes" ; then
1564   AC_DEFINE(HAVE_XFREE386)
1565 fi
1566 if test "${HAVE_MENUS}" = "yes" ; then
1567   AC_DEFINE(HAVE_MENUS)
1568 fi
1569 if test "${GNU_MALLOC}" = "yes" ; then
1570   AC_DEFINE(GNU_MALLOC)
1571 fi
1572 if test "${REL_ALLOC}" = "yes" ; then
1573   AC_DEFINE(REL_ALLOC)
1574 fi
1575 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1576   AC_DEFINE(LISP_FLOAT_TYPE)
1577 fi
1578
1579 #### Report on what we decided to do.
1580 echo "
1581 Configured for \`${canonical}'.
1582
1583   Where should the build process find the source code?    ${srcdir}
1584   What operating system and machine description files should Emacs use?
1585         \`${opsysfile}' and \`${machfile}'
1586   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1587   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1588   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1589   What window system should Emacs use?                    ${window_system}
1590   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1591
1592 if test -n "${x_includes}"; then
1593 echo "  Where do we find X Windows header files?                ${x_includes}"
1594 else
1595 echo "  Where do we find X Windows header files?                Standard dirs"
1596 fi
1597 if test -n "${x_libraries}"; then
1598 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1599 else
1600 echo "  Where do we find X Windows libraries?                   Standard dirs"
1601 fi
1602
1603 echo
1604
1605 # Remove any trailing slashes in these variables.
1606 changequote(, )dnl
1607 test "${prefix}" != NONE &&
1608   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1609 test "${exec_prefix}" != NONE &&
1610   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1611 changequote([, ])dnl
1612
1613 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1614         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1615
1616 ### Make the necessary directories, if they don't exist.
1617 for dir in cpp etc ; do
1618   test -d ${dir} || mkdir ${dir}
1619 done
1620
1621 # Build src/Makefile from ${srcdir}/src/Makefile.c
1622 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1623 # This must be done after src/config.h is built, since we rely on that file.
1624
1625 changequote(, )dnl The horror, the horror.
1626 # Now get this: Some word that is part of the ${srcdir} directory name
1627 # or the ${configuration} value might, just might, happen to be an
1628 # identifier like `sun4' or `i386' or something, and be predefined by
1629 # the C preprocessor to some helpful value like 1, or maybe the empty
1630 # string.  Needless to say consequent macro substitutions are less
1631 # than conducive to the makefile finding the correct directory.
1632 undefs="`echo $top_srcdir $configuration $canonical |
1633 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1634     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1635 `"
1636 changequote([, ])dnl
1637
1638 echo creating lib-src/Makefile
1639 ( cd lib-src
1640   rm -f junk.c junk1.c junk2.c
1641   sed -e '/start of cpp stuff/q' \
1642       < Makefile.c > junk1.c
1643   sed -e '1,/start of cpp stuff/d'\
1644       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1645       < Makefile.c > junk.c
1646   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1647       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1648   cat junk1.c junk2.c > Makefile.new
1649   rm -f junk.c junk1.c junk2.c
1650   chmod 444 Makefile.new
1651   mv -f Makefile.new Makefile
1652 )
1653
1654 echo creating src/Makefile
1655 ( cd src
1656   rm -f junk.c junk1.c junk2.c
1657   sed -e '/start of cpp stuff/q' \
1658       < Makefile.c > junk1.c
1659   sed -e '1,/start of cpp stuff/d'\
1660       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1661       < Makefile.c > junk.c
1662   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1663       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1664   cat junk1.c junk2.c > Makefile.new
1665   rm -f junk.c junk1.c junk2.c
1666   chmod 444 Makefile.new
1667   mv -f Makefile.new Makefile
1668 )
1669
1670 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1671   echo creating src/.gdbinit
1672   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1673 fi
1674
1675 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])